Apparatus for reagentless purification and disinfection of water

FIELD: chemistry.

SUBSTANCE: apparatus for reagentless purification and disinfection of water comprises two hydraulic cyclones 20, 21, a reactor tank 1 with an air-stripping tower 2, in the top part of which there are two ejectors 3, 4, mixing chambers of which are directed towards each other. Over the mixing chambers there is a cupola-shaped reflection shield 5, over which there is a filter cartridge 8. The reactor tank 1 is divided by two vertical perforated partition walls 9, 10 into two compartments. The first compartment 12 of the reactor tank 1 contains a settling tank 15 linked to a drainage system. The second compartment 13 of the reactor tank 1 is equipped with upper 17 and lower 18 water level sensors. The outlet of the reactor tank 1 is connected to the feed line of the water to be treated and a pipe for feeding water to the consumer. The hydraulic cyclones 20, 21 are connected to the feed line of the water to be treated and the drainage system, and through mesh filters 22, 23 to inlets of receiving chambers of the ejectors 3, 4.

EFFECT: invention increases the water/air contact area and provides further dispersion, cavitation, agitation, aeration and degassing of the treated water.

9 cl, 1 dwg

 

The invention relates to techniques for industrial water purification and disinfection, and more specifically to the field of household water to remove iron, manganese and other impurities from natural, mostly underground, water.

The prior art devices in which the cleaning and disinfection of natural waters and wastewaters are used, for example, filtration [1. RF patent for useful model No. 35730, IPC B01D 24/48, F16K 15/04, published 10.02.2004], ozonation [2. Patent RU N 2136602, IPC C02F 1/46, published 10.09.1999.] and [3. RF patent for the invention №2228916, IPC C02F 9/04, published 20.05.2004], cavitation [4. Surgical USSR №1502481, IPC C02F 1/64 published 23.08.1989].

Known automatic water filtration system for water purification [1] contains a filter with filter material, the piping system for supplying and discharging water with pumps, check valves and valves, as well as a device for measuring pressure, coupled with the filter and the control unit of the filtering process. However, this setting does not provide clean water from dissolved impurities and disinfection of source water.

It is also known a device for cleaning and disinfection of water [2], which includes a housing located therein electrodes, connections for inlet and outlet water pipe for the supply of oxygen is ostergade gas and the outlet for exhaust ozonoterapia gas. The high-voltage electrode is made in the form of bulk mnogoseriynogo electrode in the form of a ruff, and a grounded electrode in the form of a cylinder. Passing insulator high voltage electrode forms an annular gap with the grounded electrode, through which the water passes, and the inlet water pipe is located in the area of the grounded electrode and bushing. Pipe, inlet oxygen-containing gas, is connected to the hollow cocovado high voltage electrode and a grounded electrode is connected to a distribution system water, ozonotherapy mixture.

The process of cleaning and disinfection of water in [2] is due to the oxidation of the impurities present in water, ozone, atomic oxygen, excited oxygen molecules, etc. generated by electrical discharges in oxygen-containing gas and water. This invention improves the efficiency of cleaning and disinfection of water and reduce specific energy consumption by improving the reliability of the design of the facility. The drawback of the device [2] is the rapid wear of the high-voltage electrode made in the form of bulk mnogoseriynogo electrode in the form of a ruff. When the device by electrical discharges is partial burnout of needles by a high-voltage electrode, which greatly reduces its effectiveness, taktak when replacing the high-voltage electrode is required to stop operation of the device.

Known from the prior art installation for water treatment by ozonation for patent for invention [3] contains the camera oxidation (ozonation) with tube feeding source of water and a pipeline for discharge of treated water to which is attached a pressure filter that performs the final stage of water purification. Over the camera oxidation installed ejector, which is connected with the ozone generator. Water from the chamber oxidation using the pump enters the ejector, and the ejector is in the camera oxidation. These devices are connected by a pipeline to form a circulation loop. In the cell oxidation posted by cavitator. Received from the ejector saturated with ozone air and water is subjected to cavitation, which increases the efficiency of water treatment due to intensification of oxidation of pollutants. In this device [3] a high degree of dispersion of water and gas is achieved at the expense of the cavitator, placed inside the chamber oxidation. To ensure a high degree of purification of water-gas mixture to repeatedly circulate through the ejector and the cavitator. This cavitator is made in the form of two installed on top of each other with a gap and rigidly connected to each other discs of the same diameter. In the upper disk is made of a Central through channel, rigidly connected with the pipeline connecting the camera oxidation with the ejector. N is converted to each other surfaces of disks made ledges, located concentric with and narrowing the gap. This complicates the device and does not provide effective water treatment.

In the prior art a device for water purification from iron [4]. The device consists of a housing, the filter loading and cavitator, made in the form of a cylinder, a piston and a vibrator. With the help of the cavitator are low-frequency oscillations, causing cavitation bubbles. Bubbles, shapeways, convert ferrous iron to ferric, which is deposited on the load. The disadvantages of the invention are the low efficiency of aeration and the unreliability of the cavitator, because vibrators often fail due to rapid wear. The device [4] is intended to create a cavitation effect and filter, providing clean water. The combination of these two functions in a single case is of interest, but at the same time has the following negative consequences. For example, lack of oxygen and the short time of contact with pollutants contained in the water, and the absence of conditions for the creation of small bubbles of water vapor and gas lead to the fact that ferrous iron is poorly transferred to ferric, which reduces the efficiency of water purification.

The prior art known to the device, reagent-free water purification module intensive aeration and degassing (MIAD) [5. RF patent №2375311, IPC C02F 1/20, C02F 1/74, C02F 9/00, published 10.12.2009, Bulletin No. 34]. This device is the closest to the claimed technical essence and the achieved result and used as a prototype. The device [5] contains a hydrocyclone, a tank reactor, in the upper part of which is placed ejector section, installed it two ejectors containing the corresponding receiving chamber and the mixing chamber. Each of the receiving chambers, each of the ejectors has an entry for supplying an ozone-air mixture and an input for connection to the hydrocyclone. The upper part of the tank reactor is connected with an exhaust fan for removing exhaust gases, and its bottom is made inclined in the direction of its greater vertical wall and has an outlet for removal of accumulated sediment in the drainage. In addition, the tank-reactor has a second output for removal of the treated water through the filter modules to the consumer. The receiving chamber ejectors connected to the hydrocyclone pipelines that contains the appropriate valves. The hydrocyclone is connected pipeline containing a regulating gate, borehole pump, and a drain pipe for removing solid particles (e.g. sand). To regulate the water level in the tank reactor placed the water level sensors. This allows you to create and maintain airspace over what level of water in the tank reactor with a height of not less than 0, 2 m Outputs of the slice of the mixing chambers of the each of the ejectors are located above the water level in the tank reactor at a height of not less than 0.5 m

The device [5] compared with other traditional, for example [6. Kul L.A., M. Mace. and others. Design and calculation of treatment facilities water // Kiev, 1972, p.236, RES], has smaller dimensions, which reduces the cost of construction of wastewater treatment plants. The device [5]as the aforementioned analogues, provides treatment and water disinfection without the use of additional reagents. However, the device prototype has low productivity and efficiency, due to insufficiently high speed processes such as cavitation, degassing, aeration, affecting the rate of oxidative processes. In addition, the nozzles of the ejectors are often polluted, and their cleanup is accompanied by the inevitable stops the device and, consequently, reduces the performance of the installation. In addition, the precipitate formed at the bottom of the tank reactor and containing destroyed the spores of fungi and bacteria, due to turbulent diffusion gets to the volume of water in the tank reactor and then through the pump in the filter modules. This leads to overload modules filter, to the necessity of their frequent washing or to unduly increase the filters that e is enomichesky impractical. In addition, during operation of the device through the fan, along with CO2the atmosphere is removed and the particles of water that is part of treated water is lost in the atmosphere, which is not economically feasible.

The task of the invention is to increase the efficiency and economy of installation reagent-free cleaning and disinfection of water.

Technical result achieved when the task is to increase the area of contact of water and air by creating explosive cavitation at a head-on collision of two ejection air jets, providing additional dispersion, cavitation, turbulization, aeration and degassing of the treated water.

The problem is solved as follows. The inventive installation, as the prototype contains a tank reactor, the ejector section, two ejector, extractor fan and cyclone. The bottom of the tank reactor is made inclined, and its first output connected to drainage system. The second output tank reactor through a pipeline containing shut-off valves, control valves, and pump forms a supply line of the treated water in the tank reactor and purified water to the consumer. Tank reactor equipped with an emergency overflow and two upper and lower water levels. Each of the ejectors has a mixing chamber, ramou camera having one output and two inputs, one of which serves to supply air or ozone-air mixture and the other for supply of treated water. The hydrocyclone has one input and two outputs. The inlet of the hydrocyclone is connected by a pipe containing a regulating gate, borehole pump and forms a feed line of treated water for the first ejector. The first outlet of the hydrocyclone through a pipeline containing a shut-off valve associated with the second input of the reception chamber of the first ejector. The second output of the hydrocyclone is connected with a drainage system through a pipeline containing a shut-off valve.

Unlike the prototype of the proposed installation includes the additional second hydrocyclone having one input and two outputs, there are two filters located respectively before receiving chambers, ejectors. The input of the second hydrocyclone is connected by a pipe containing a regulating gate, borehole pump and forms an additional feed line treated water for the second ejector. The first outlet of the second cyclone through a pipeline containing a shut-off valve, is connected through a filter to the second input of the reception chamber of the second ejector. The second output of the second hydrocyclone is connected with a drainage system through a pipeline containing a shut-off valve. Tank reactor with two vertical perf is registered partitions is divided into two compartments with the formation of the aeration column. The second compartment contains a portion of the tank reactor and is formed of a lower vertical side of a tank reactor, its upper side, a sloped bottom tank reactor and the second vertical perforated wall. The second output tank reactor placed in the second compartment and serves to supply treated water to the tank reactor and discharge of treated water to consumers. Aeration column is formed by ejecting section and the first compartment of the tank reactor. The first compartment of the tank reactor is formed of the first perforated wall, greater vertical side of a tank reactor having an inclined bottom with a sump associated with the drainage system. The upper part of the aeration column contains connected with an exhaust fan cover, under which is located a cartridge filter and a reflecting screen of the dome shape. In the upper part of the aeration column towards each other posted of the mixing chamber, the output sections which are located at a distance of not less than 0.4 m from each other. The longitudinal axis of the mixing chambers are located at a distance of not less than 0.2 m from the top of the dome reflecting screen at a distance of not less than 0.5 m from upper water level in the tank reactor, defined upper level sensor water. The pump is circulating through the piping containing the valves, connected respectively with the which the output tank of the reactor and the feed line.

In some cases, of the execution of the second perforated baffle is placed in the second compartment of the tank reactor. Between the perforated walls is removable filter cartridge, equipped with a sorption material, made for example from fiber fabric.

The upper and lower water levels are housed in a second compartment of the tank reactor. The sensor of the upper water level is located at a distance of not less than 0.2 m from the top wall of the tank reactor and determines the upper level of the water in the tank reactor. The lower level sensor water placed above the second tank reactor.

The filter cartridge is located under the cover aeration column, provided with a sorption material, made for example from fiber fabric.

Reflecting screen of the dome shape is coaxially aligned with a clearance of not less than 0.05 m relative to the vertical walls of the aeration column.

From the prior art in known public sources not identified setting, characterized by the same set of features, and that the claimed device. This confirms the novelty of the proposed installation.

In known the applicant installations for water purification and disinfection is not known device, in which the mixing chamber ejectors are towards each other in the upper part of the aeration column. This p is the original memory location ejectors causes when the collision of air jets flowing from the mixing chambers of the ejectors towards each other at a speed of about 25 m/sec or more, the effect explosive cavitation. This produces a huge amount of water dispersed particles (many times more than in the device of the prototype, where the mixing chamber ejectors are arranged parallel to each other), which leads to increase the area of contact of the dispersed particles of water and air. Water dispersed particles containing micro-bubbles, when the explosive cavitation collapse (collapse). The temperature inside a microbubble reaches values of the order of 1000°C or more, which contributes to the destruction of spores of fungi and bacteria, thereby disinfect the water. Dead spores of fungi and bacteria getting into the reactor water, deposited on the bottom of the tank-reactor, which accumulate in the sump and then removed in the drainage. Explosive cavitation, accompanied by small explosions of bubbles leads to additional dispersion, cavitation, aeration and degassing of the treated water, which generally additionally affects the velocity of the flowing oxidative processes, that is, promotes the oxidation of contained water pollution, for example the oxidation of Fe+2, Mn+2and other particles, as well as to enrich the water with oxygen and ozone. In addition, reflecting the EC is an dome-shaped, mounted in the upper part of the aeration column above the mixing chambers of the ejectors has more influence on the process of cavitation, turbulent diffusion in the whole volume of the reactor water, as well as to increase the area of contact of two media, water and air and the acceleration of the degassing process. In the process of installing part formed by explosive cavitation dispersed water particles with speeds over 25 m/s is directed to the surface of the reactor water aeration column, penetrates into her depths, causing the turbulization of the reactor water and the turbulent diffusion flocculent precipitation throughout the volume of the reactor water in the first compartment of the tank reactor. Another part of the resulting explosive cavitation dispersed water particles with speeds over 25 m/s bombards the surface of the reflective screen of the dome shape, accelerating the process of collapse of micro bubbles in micro - and macro water particles. When the collision of the droplets with the surface of the reflective screen is free from toxic gases which by means of the exhaust fan is removed in the atmosphere. The cleaned gases from the water particles are reflected from the reflecting surface of the screen, fall from height (N+H2) on the surface of the reactor water, penetrate into its depths, to an even greater extent by increasing the Polisario reactor water in the first compartment of the tank reactor, accompanied by the process of collapse of micro bubbles. In the treated water, for example, molecules of iron hydroxide Fe(OH)2and other molecules are in the field of microphyric, i.e. on the boundary of the sphere of microphyric and the surrounding liquid. Under the action of the enormous forces that occur in the moment of the collapse of micro bubbles, the molecules move into the focus of the collapsing bubble, heated instantaneously to a temperature of about 1000°C, which leads to the destruction of spores, fungi, bacteria and the formation of a flocculent precipitate containing Fe(OH)3falling to the bottom of the aeration column and accumulating in the sump, from which is removed periodically in the drainage. The other (remaining) part of the flocculent sludge in the overflow of the treated water from the first compartment to the second compartment of the tank-reactor adsorbed in the filter cartridge wall separating tank reactor.

In the present device because of the mixing chamber ejectors are located in the aeration column towards each other, and over the sections of the mixing chambers is the reflecting screen, the complex hydrodynamic processes occur without the influence of external influences, i.e. due to the pressure of the water received high speed jets in the ejectors. While, for example, in the analog [2] the device is equipped with a high-voltage El is ctrode to create the necessary high-voltage electric discharge.

Thus, the constructive implementation, the location and relationship of the main sites of the proposed installation (disclosed above) provide an effective reagent-free cleaning and disinfection of water through processes of explosive cavitation, dispersion, turbulence, aeration and degassing of water to be treated, thereby increasing the area of contact of the dispersed particles of water and air and, consequently, increasing the velocity of the flowing oxidative processes, which allows to judge about the presence of inventive step of the claimed device.

The technical essence of the inventive device is illustrated a specific example of the drawing, which shows a diagram of the inventive installation reagent-free water purification and disinfection. The system includes a tank reactor 1 with aeration column 2, in the upper part of the hosts of the mixing chamber 3 and 4 ejectors. The output sections of the mixing chambers 3, 4 are directed oppositely and are apart from each other at a distance L equal to not less than 0.4 m Above the mixing chambers 3, 4 is coaxial reflection screen 5 of the dome shape with a clearance of not less than 0.05 m relative to the vertical walls of the aeration column 2. The top point of the reflection screen 5 is located on the longitudinal axis of the mixing chambers 3, 4 at a distance H equal to not less than 0.2 m Aeration column contains also the cap 6, associated with an exhaust fan 7. Over reflective screen 5 is placed the filter cartridge 8. Inside the tank-reactor 1 are vertically first 9 and second 10 perforated partitions, between which is located a removable filter cartridge 11. Perforated walls 9, 10 are divided tank reactor 1 into two compartments: the first compartment 12 and second compartment 13. The bottom 14 of the tank-reactor 1 is made sloping, while the inclined bottom of the first compartment 12 includes a settling tank 15 connected to drainage system. On the upper wall 16 of the tank-reactor 1 posted by sensor 17 of the upper water level sensor 18 of the lower water level in the tank reactor 1, and the shutoff valve 19 to vent into the atmosphere. The sensor 17 of the upper water level is placed at a distance of H1equal to not less than 0.2 m from the top wall 16 of the tank of the reactor 1, and determines the distance H2from the top of the water level in the tank reactor 1 to the outputs of the mixing chambers of the 3,4 equal to not less than 0.5 m Tank reactor 1 is also equipped with an emergency overflow. The first outputs of the first 20 and second 21 hydrocyclone through mesh filters 22 and 23 respectively connected to inputs of the first 24 and second 25 inlet chambers ejectors. Other inputs receiving chambers 24 and 25 are used for air supply with shut-off valves 26, 27 in the corresponding ejector. The second outputs of the first 20 and second 21 hydrocyclone through the drain pipe with the priori valves 28, 29, connected to drainage system. The inputs of the hydrocyclone 20, 21 through pipes and shut-off valves 30, 31 are connected to the supply line, through which the regulating valve 32 is connected with borehole pump 33 connected with a shut-off valve 34 and a pressure reducer 35. The feed line is connected through the valves 36, 37 and the circulation pump 38 with the second outlet of the tank-reactor 1, which is located in its second compartment 13, where the treated water is pumped through a pipeline containing a shut-off valve 39 to the consumer. The first cyclone 20 is connected by a pipe containing a shut-off valve 40, the strainer 22, forms a feed line of treated water for the first ejector. The second hydrocyclone 21 is connected by a pipe containing a shut-off valve 41, the strainer 23, forms an additional feed line treated water for the second ejector. Other symbols used in the drawing: shut-off valve 42 is installed in the pipe connecting the sump 15 to drainage system; shut-off valve 43 is installed in the pipeline, designed to release pollution when cleaning the cartridge filter 11; H - distance between the top point of the dome-shaped reflective screen 5 and the longitudinal axis of the mixing chambers 3 and 4, H1- the height of the air space at the top of the hour and tank reactor 1, defined by the position sensor 16 of the upper water level. H2- the distance between the mixing chambers 3, 4 and the upper level of the water aeration column 2 tank reactor 1. L is the distance between the output sections of the mixing chambers 3 and 4.

Installing a reagent-free cleaning and disinfection of water works in the following way. The treated water from a well with a pump 33 is fed to the hydrocyclone 20 and 21, in which the removal of solid particles (such as sand and other)contained in the water. Solid particles in the hydrocyclone 20, 21, under the action of centrifugal force produced by the tangential entry of water collected in the bottom of the hydrocyclone and the drain pipe when the automatic opening of the valves 28, 29 are discharged into the drainage system. Then, through the hydrocyclone 20, 21 and the corresponding filters 22, 23 water flows respectively into the receiving chambers 24 and 25 of the ejectors. Mesh filters 22, 23 serve to capture proskokove particles from the hydrocyclone 20, 21 and thereby prevent the clogging of the nozzles of the ejectors, of which the stream of liquid flows at high speed (approximately 25-50 m/s) and ejective ambient air into the receiving chambers 24, 25. In the chambers 24, 25 vacuum is created, which facilitates desorption of CO2and other toxic gases, such as ammonia, hydrogen sulfide, methane, which can prisutstwu the diamonds in the underground water. In the receiving chambers 24, 25 is air or ozone-air mixture. Later in the mixing chambers 3, 4 is the formation of water-air mixture (air bubbles are distributed in the structure of water, the water loses its transparency and becomes milky color). Resulting from the mixing chambers 3, 4 toward each other at high speed (up to 50 m/sec) air jet face, which creates the effect of explosive cavitation and the catastrophic destruction of the water-air jets, leading to the formation of macro - and microdispersed liquid particles, i.e. create the maximum effect of dispersing the water-air jets on the smallest particles. Some of the resulting macro - and microdispersed liquid particles, falling from a height of H2with great speed rushes down, penetrating into the depth of the water in the aeration column 2, calling her turbulization. While educated macro - and microdispersed liquid particles of some time are in the airspace of the aeration column 2 tank reactor 1, which increases their contact with air and additionally increases the rate of desorption, for example, gas CO2(ammonia, hydrogen sulfide and other). In a huge number of educated macro and microdispersed liquid particles formed (compared to the prototype) is much larger quantity is STV microbubble, when the explosive cavitation and collapsing (collapse) the temperature is increased to 1000°C and more, which contributes to the destruction of spores, fungi, bacteria and the formation of insoluble sediments containing iron and manganese. Instant collapse of micro bubbles is strengthened by the fact that the pressure inside a microbubble exceeds the pressure in the aeration column 2, in which an underpressure is created in the result of the operation of the exhaust fan 7, which, in turn, additionally affects the rate of desorption of gases.

Another part of the generated macro - and microdispersed liquid particles under the action of the fan 7 at high speed rushes up and faces the reflecting surface of the screen 5 of the dome shape, further increasing the effect of the collapse of micro bubbles in the dispersion liquid of the particles. Reflected from the reflecting surface of the screen 5 are dome-shaped fine particles fall from a height (h+H2) on the surface of the water aeration column 2, penetrate into its depths and additionally increase the turbulization of the reactor water, resulting from the first part of the formed macro - and microdispersed liquid particles. When turbulence in the reactor water, the process of collapse of micro bubbles continues. The filter cartridge 8, located above the reflecting ek is an 5, made from the sorption material, delays of the dispersed particles and water freely flows the air. The resulting flocculent sediments under the influence of gravitational forces fall on the inclined bottom 14, accumulate in the sump 15 and are periodically removed in the drainage system. Another part of flocculent sediment sorbed in the filter cartridge 11 tank reactor 1 when overflow of treated water from the first compartment 12 and second compartment 13 tank-reactor 1, where the treated water pump 38 is supplied to the consumer.

The installation allows for cyclic processing water to the desired quality in the following way. From wells using downhole pump 33 water is supplied into the tank reactor 1 to the upper level determined by the sensor 17 of the upper water level. After that disables the downhole pump 33 and automatically closes the control valve 32 (downhole valve), at the same time turns on the circulation pump 38, which is repeatedly pumping the water from the second compartment 13 tank reactor 1 in the hydrocyclone 20, 21 and then through the filters 22, 23, the ejectors in the first compartment 12 of the tank of the reactor 1. This process can be repeated as many times as required, bringing thereby the composition of the water to the level of a given quality. One treated water cycle is the time during which the circulation pump is pumped, for example 5 m3in the waters. Such cycles can be performed a few.

Thus, in the inventive installation implemented processes ejection dispersion and explosive cavitation, leading to increase the area of contact of two media, air and water, leading to greater efficiency saturation of water by air, ozone and has a significant impact on the processes of water purification and disinfection. Of treated water removes dissolved gases, microorganisms are destroyed, ions of bivalent iron, manganese transition from a soluble state to a solid, settle on the bottom 14 of the tank-reactor 1, accumulate in the sump 15 and output via the drainage system.

The inventive installation, according to the applicant satisfies the criterion of "industrial applicability", as it can be repeatedly reproduced using the devices, and control valves, and other parts manufactured by the industry. The installation was also tested.

1. Installing a reagent-free cleaning and disinfection of water containing tank reactor, the ejector section, two ejector, extractor fan and cyclone, while the bottom of the tank reactor is made sloping, its first output connected to drainage system, and the second output tank reactor through a pipeline containing shut-off valves, control valves, and n is SOS, forms a supply line of the treated water in the tank reactor and purified water to the consumer, a tank reactor equipped with an emergency overflow and two upper and lower water levels; each of the ejectors has a mixing chamber, the receiving chamber having one output and two inputs, one of which serves to supply air or ozone-air mixture and the other for supply of treated water; the hydrocyclone has one input and two outputs, with the input of the hydrocyclone is connected by a pipe containing a regulating gate, borehole pump and forms a feed line of treated water for the first ejector, the first the output of the hydrocyclone through a pipeline containing a shut-off valve associated with the second input of the reception chamber of the first ejector, and its second output is connected with a drainage system through a pipeline containing a shut-off valve, characterized in that thefurther comprises a second hydrocyclone containing one input and two outputs, there are two filters located respectively before receiving chambers, ejectors, with the input of the second hydrocyclone is connected by a pipe containing a regulating gate, borehole pump and forms an additional feed line treated water for the second ejector, the first outlet of the second cyclone through a pipeline containing a shut-off valve, related is through the filter to the second input of the reception chamber of the second ejector, and the second output of the second hydrocyclone is connected with a drainage system through a pipeline containing a shut-off valve; in addition, the tank reactor with two vertical perforated walls is divided into two compartments with the formation of the aeration column, while the second compartment contains a portion of the tank reactor and is formed of a lower vertical side of a tank reactor, its upper side, a sloped bottom tank reactor and the second vertical perforated partition, while the second output tank reactor placed in the second compartment and serves to supply treated water to the tank reactor and discharge the treated water to the consumer; and aeration the column is formed by ejecting section and the first compartment of the tank reactor, educated first perforated wall, greater vertical side of a tank reactor having an inclined bottom with a sump associated with the drainage system, while the upper part of the aeration column contains connected with an exhaust fan cover, under which is located a cartridge filter and a reflecting screen of the dome shape, in addition, in the upper part of the aeration column towards each other posted of the mixing chamber, the output sections which are located at a distance of not less than 0.4 m from each other, while the longitudinal axis of the mixing chambers are located at a distance of at least the f 0.2 m from the top of the dome reflecting screen at a distance of not less than 0.5 m from upper water level in the tank reactor, defined upper level sensor water; in addition, the pump is circulating through the piping containing the valves, connected respectively with the second outlet of the tank reactor and the feed line.

2. Installing a reagent-free water purification and disinfection according to claim 1, characterized in that the second perforated baffle is placed in the second compartment of the tank reactor.

3. Installation according to claim 1, characterized in that between the perforated walls is removable filter cartridge.

4. Installation according to claim 3, characterized in that the replaceable filter cartridge is provided with a sorption material, made for example from fiber fabric.

5. Installation according to claim 1, characterized in that the upper and lower water levels are housed in a second compartment of the tank reactor.

6. Installation according to claim 1, characterized in that the sensor of the upper water level is located at a distance of not less than 0.2 m from the top wall of the tank reactor and determines the upper level of the water in the tank-reactor

7. Installation according to claim 1, characterized in that the low-level sensor water placed above the second tank reactor.

8. Installation according to claim 1, characterized in that the filter cartridge is located under the cover aeration column, provided with a sorption material, made for example from fiber fabric.

9. Installation according to claim 1, distinguished by the lasting themes what a reflecting screen of the dome shape is coaxially aligned with a clearance of not less than 0.05 m relative to the vertical walls of the aeration column.



 

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48 cl, 9 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to water treatment. Initial water is forced through coarse filter 1 into precleaner 2. Therefrom, water flows into inlet tank 3 provided with level pickups 4. Therefrom, water is forced by electrically driven pump 5 into fine diaphragm filters 6. Filtered water is fed into mixing and cavitation unit comprising cavitation mixer 7 with mix ozone with water and hydrodynamic cavitation unit 8. Besides ozone-air mix is fed therein from ozonator 9. Then, treated water is fed into UV treatment unit 12 to be forced therefrom by pump 11 into intermediate tank 10. Then, water is cleaned at UV diaphragm filters 13. Prior to feeding water to consuming equipment, it is kept in accumulation tanks 16.

EFFECT: higher efficiency, reduced costs.

9 cl, 1 dwg, 1 tbl

FIELD: chemistry.

SUBSTANCE: method involves feeding water for pretreatment from organic substances and active chlorine on a packed carbon filter and from suspended matter on a microfilter, further desalination of the water on two successive reverse-osmosis filters and post-treatment on an ion-exchange filter. The filtrate from the first reverse-osmosis filter with hardness of more than 0.5 mg-eq/l is returned through an intermediate vessel into the vessel for the starting water for re-treatment at the first reverse-osmosis filter, and at hardness of less than 0.5 mg-eq/l the filtrate from the first reverse-osmosis filter, before feeding into the input of the second reverse-osmosis filter, is corrected by alkanisation in an intermediate vessel to pH=8.3-9.0. The filtrate from the second reverse-osmosis filter is fed for post-treatment on the ion-exchange filter if said filtrate does not contain radioactive or chemically toxic contaminants, otherwise the filtrate is taken for decontamination.

EFFECT: longer life of the ion-exchange filter without reducing the service life of reverse-osmosis filters.

1 dwg

FIELD: chemistry.

SUBSTANCE: system for biological filtration of man-made and natural water bodies has a regeneration zone in form of an artificially made natural filter for removing dirt and biological contaminants. Depending on the configuration of the regeneration zone, the filter has a wall or a shaft made from large rocks and/or blocks of insoluble rocks which form a reservoir filled with layers of granite gravel, crushed rock and screenings of fractions ranging from coarse to fine, as well as fine fractions of sand and schungite screenings. The layers are interlaid with geotextile. Mats on which Microzim bacteria are grown are laid. Pond water and coastal plants capable of cleaning water are grown on the surface of the regeneration zone. A plate-like water inlet is installed in the lower part of the system, said inlet being connected to a pump such that as water from the water body falls in the regeneration zone, is passes through all layers from top to bottom. The regeneration zone can be made in coastal places. The filtration area can be 1/3 of the water body.

EFFECT: invention facilitates self-treatment of a water body for several years while maintaining the natural balance.

3 cl

FIELD: chemistry.

SUBSTANCE: invention relates to methods of treating recycled water from metallurgical production with high content of heavy metal phosphates and salts thereof, and can be used in metallurgical production. The method involves further reactant precipitation with lime milk and flocculant at pH=10.5-11.5, followed by packing the precipitate after selling in a sludge densifier and drying the precipitate on a press filter. Suspended substances are removed from the water on a filter with granular filler. The water is then demineralised on an ion-exchange filter filled with weakly acidic cation-exchange resin in Na form. The water is then purified on a fine filter and then desalinated on a two-step reverse osmosis apparatus at pH=7-7.5. Process water pressure at the first step of the reverse osmosis apparatus is equal to 20 kgf/cm2 and 55 kgf/cm2 at the second step. The purified water used is filtrate from the first step. The filtrate from the second step is returned for re-purification at the first step.

EFFECT: method increases quality of the purified water and efficiency of the process owing to low consumption of chemical agents.

4 cl, 2 dwg, 1 tbl

FIELD: process engineering.

SUBSTANCE: invention relates to purification of industrial and tap waters and effluents of, for example, heavy metal ions, oil products and organic impurities by sorption. Proposed complex comprises contaminated water tank, clean water tank 9, chemical treatment tank 5, pump 3a and clarifying filter 7, all being intercommunicated by pipeline. Note here that chemical treatment tank 5 is communicated with galvanic coagulator 1 via pipeline whereon mounted are buffer tank 2 with scrap-trap function, second pump 3b and acoustic agitator 4. Note here that chemical treatment tank 5 is provided with additional pipeline that forms circulation circuit whereon hydraulic cyclone 6 is mounted. Said circulation circuit is communicated with pipeline section between pump 3a and clarifying filter 7. Hydraulic cyclone solid phase discharge branch pipe is communicated with chemical treatment tank 5, while hydraulic cyclone liquid phase discharge branch pipe 6 is communicated via pipeline with clarifying filter 7.

EFFECT: higher efficiency.

5 cl, 2 dwg, 2 tbl, 2 ex

FIELD: mechanical engineering.

SUBSTANCE: recycling water system for auto washing comprises technological equipment associated with a system of pipelines with a waste-water purifying apparatus, and includes a storage tank 47, into which waste water flows by gravity, a pump 48 for supplying water from the storage tank 47 into ta reactor 49, a compressor 52 for mixing a medium in the reactor 49, a metering pump 51 of a working solution of a coagulant, a flotation plant 54, a storage tank 59 for collecting the purified water after the flotation plant 54, course 61 and fine 66 mesh filters, a storage tank 63 for collecting the purified water after course mesh filters, a diaphragm pump 55 and a receiving tank of sludge 56.

EFFECT: invention enables to improve the efficiency of waste-water treatment and the overall system performance.

3 cl, 5 dwg

FIELD: machine building.

SUBSTANCE: flotation-filtration plant comprises an intake filter 1, a suction pipeline 2, a check valve 8, a pump unit 3, an ejector 4 connected to a bypass pipeline 5 and installed at the inlet of the pump unit 3, a flotation cell 22 with a filter 29 and a layer of filtering bed 30. A protective grid is installed at the inlet of the ejector 4. The ejector 4 is connected to a two-stage saturator 15, 16. The second saturator stage through the check valve is connected to a distribution manifold 21 by nozzles 20 which are set in the upper part of the flotation cell 22 with the latter comprising a scraper unit 25, a tray 26 and an overflow tube connected to the upper part of the filter while the filter is fitted with a layer of adsorbing filtering bed which is held by a supporting frame 31 and a pressing frame 32. An adsorbent is made as a cylindrical ring with two hemispherical surfaces being fixed on the side surface of the adsorbent opposite each other so that diametral planes of the hemispheres coincide with the upper and lower bases of the cylindrical ring respectively and the vertices of the hemispherical surfaces are turned to each other.

EFFECT: invention allows for improvement of waste water treatment efficiency up to the level providing for multiple reuse of the said water.

2 cl, 2 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to water treatment plants. Proposed BBC plant comprises prefiltering unit 1, primary cleaning unit 2, decontamination unit and control unit. Additionally, this plant comprises water accumulator connected with prefiltering unit and water feed unit connected with primary cleaning unit and decontamination unit. Said primary cleaning unit 2 is composed by nanofiltration and hyperfiltration devices.

EFFECT: higher efficiency of filtration.

2 cl, 4 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to water treatment plant to be deployed in situ. Proposed system comprises several modules interconnected by water lines. Said modules include at least one water filter, at least one water pump connected therewith, motor and ICE. Note here that said modules include filter module, two pump drive modules composed by said motor and said ICE. Pump allow selection of its drive by engagement with either said motor or ICE. Note here that said motor and ICE can be alternatively engaged with said pump and pump feed line. Flexibility and compact lightweight design are optimised by pump component to be mounted using standard fittings in alternative modules of primary propulsors which allow accommodate and feed the pump.

EFFECT: ease of transportation, installation and operation for production of purified drinking water from whatever water sources.

16 cl, 10 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to biological water treatment and may be used for domestic and industrial effluents cleaning of dissolved and suspended organic substances including those in pools with wide range of effluents level variation. Proposed complex comprises tank connected with pontoon 5, 6, modules 9 of water thin-layer settling and treatment, suction pipeline 17, pump 18 and pressure pipeline 20. Said tank is composed of separate units 1, 2, 3, 4 interconnected to make a top overflow 14. Every said unit can make, at least, one bottom overflow. Said units accommodate modules for aerobic of anaerobic treatment furnished with carriers 11, 10 for immobilisation of microorganisms. Said complex is equipped with, at least, one heating system 13 and covers 23.

EFFECT: complex treatment of domestic and industrial effluents cleaning of dissolved and suspended organic substances including those in pools with wide range of effluents level variation.

6 cl, 4 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to equipment intended for storm flows cleaning of oil products and suspended substances and can be used for cleaning storm flows and industrial effluents. Proposed device comprises settling zone, coalescence zone, two-level cylindrical mechanical filter with major working surface of oleophilic sorption material, floating bed filter and sorption filter with activated charcoal. Settling zone is equipped with oil products collector comprising oil product withdrawal pipeline, flow distributor and inclined baffle for concentration of oil product film in oil product withdrawal container. Coalescence zone is provided with oil product film collection tray wherefrom said film is forced into settling zone by pump. Two mechanical quartz-sand-filled filters are located downstream of coalescence zone. Purified water is discharged from sorption filter with activated charcoal from its top section.

EFFECT: higher quality of cleaning.

3 dwg

FIELD: chemistry.

SUBSTANCE: invention can be used in domestic water supply as well as in treatment of natural, surface and underground water from suspended material. Coagulant is actively mixed in a stream of water, a flocculant is then added and mixed. The stream of water with the added flocculant is fed into a flocculation chamber with rotary motion of the water, said chamber being fitted with inserts in form of a wing section. Further, the stream of water is fed into the coagulation chamber of a settling tank. A portion of the residue formed in the coagulation chamber of the settling tank is recycled into the flocculation chamber at the same time as the flocculant.

EFFECT: invention increases the degree of purity of water, reduces reactant consumption by recycling a portion of the residue and increases the rate of coagulation of astabilised particles which takes place in both the flocculation chamber and the coagulation chamber of the settling tank.

FIELD: chemistry.

SUBSTANCE: invention relates to chemical and agricultural industries and treatment of liquid household wastes which contain organic contaminants. The method of treating household wastes involves treating waste water with nanostructured boehmite with absorption of organic contaminants with particles of nanostructured boehmite until achieving a given degree of treatment of the waste water. The treated waste water is separated into treated waste water and a solid residue. The solid residue, which contains contaminated nanostructured boehmite, is collected and regenerated by supercritical water oxidation until complete oxidation of organic compounds absorbed by the nanostructured boehmite. The regenerated nanostructured boehmite is collected and reused for waste water treatment.

EFFECT: method enables repeated use of nanostructured boehmite to treat waste water and waste water treatment which satisfies environmental chemical pollution requirements.

7 cl

FIELD: chemistry.

SUBSTANCE: group of inventions relates to treatment of underground water from gases dissolved therein and can be used in water treatment. Source water containing hydrogen sulphide and impurities is fed through a pipe 1. The water is then fed into a floatation plant 3, having at least two chambers. At the first floatation step, a hydrogen sulphide neutraliser is fed through a nozzle 2 and at the second step, a chemical which facilitates precipitation of sulphates and sulphides is added. The treated water enters a settling tank 4, from where it is fed into a contact flocculator 6, having a gravel filling. The contact flocculator 6 is connected to the settling tank 4 through a nozzle 5, needed for feeding a flocculant.

EFFECT: group of inventions improves quality of treatment, simplifies and reduces the cost and labour input.

9 cl, 3 dwg, 3 tbl, 3 ex

FIELD: process engineering.

SUBSTANCE: set of intention relates to water treatment and may be used in various industries. First, chlorinated coagulant is subjected to electrochemical treatment at membrane or diaphragm electrolysis unit 3 with insoluble electrodes to produce high-basic coagulant and gaseous chlorine. High-basic coagulant is mixed with water flow fed into settler 4 for coagulation and flocculation of undissolved suspensions and mechanical impurities. Gaseous chlorine withdrawn from electrolysis unit is fed into chlorine proportioner 6 to make bleaching water. Said water is fed for decontamination in cleaned water flow between said settler 4 and mechanical filter 8.

EFFECT: higher quality of purification.

2 cl, 1 dwg, 3 tbl

FIELD: chemistry.

SUBSTANCE: composition is also used to soften and desalinate process water, in production of synthetic detergents, in the paint industry and industry of polymer materials. The composition for producing cation-exchange fibre material consists of paraphenol sulphonic acid, formalin, basalt wool subjected to preliminary heat treatment for 1 hour at 350-450°C and microwave treatment at radiation power of 750 W for 30 s, and further contains phenol resin - a phenol production waste. The composition contains, wt %: paraphenol sulphonic acid 48.4-54.4, formalin 35.3, heat- and microwave-treated basalt wool 9.1, phenol resin 1.2-7.2.

EFFECT: composition enables synthesis of cation-exchange fibre material with an improved set of properties, particularly higher static exchange capacity and low filtrate oxidation susceptibility, and solves the problem of recycling phenol resin.

2 tbl, 4 ex

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