Vacuum deaerator

FIELD: power industry.

SUBSTANCE: vacuum deaerator contains a branch pipe for supply of chemically purified deaerated water to the distributing header, the first jet plate fitted with a finned overflow edge and a punched steam discharge sheet, the second jet plate having a finned overflow edge and a punched steam discharge sheet. Fins of overflow edges of the first and second jet plates are made rectangular at an angle 30-60° to vertical line with inclination towards drain from overflow edges of flows of the deaerated water, the cross-flow plate with cross-flow and overflow edges, three punched pipelines for supply of heating water to the cross-flow plate, the bubbling sheet with overflow edge, the punched pipeline for supply of heating water under the bubbling sheet, at least, two pipelines for discharge of non-evaporated heating water to the inlet of the bubbling sheet, the partition blocking discharge of non-evaporated heating water into the flow of deaerated water drained from the bubbling sheet, passing through the bubbling sheet at least two L-shaped boxes of heating vapour cross-flow, installed evenly along the deaerator housing in the space between the overflow edge of the bubbling sheet and the punched pipeline for supply of heating water under the bubbling sheet, at least one branch pipe for discharge of vented steam and one branch pipe for discharge of deaerated water.

EFFECT: increase of overall performance of the vacuum deaerator.

3 dwg

 

The invention relates to the field of power engineering and can be used in thermal power stations.

Known analog - vacuum deaerator (see I. A.), Leont'ev S. A., Ponomarev P. S. the results of the reconstruction of the vacuum deaerator at Volgodonsk CHP-2, "energetic", 2004, №4, pp. 31-32), comprising a nozzle for supplying a chemically purified dearyou water distribution manifold, the first jet plate is provided with protodesign sheet and comb the overflow threshold, the second jet plate, by-pass plate having a by-pass and overflow thresholds, three perforated pipe supply heating water to the overflow plate, bubble sheet with the overflow threshold, the perforated pipe supply heating water bubbling under the sheet, at least two of the outlet conduit heating water not evaporated at the entrance of the bubble sheet, baffle plate, overlapping the drain heating water not evaporated in the flow merging with bubble sheet deaerated water, at least one outlet for removing vapour and one outlet for discharging deaerated water. This analog adopted as a prototype.

For the reason that impede the achievement of specified following technical result when using known vacuum deaerator, taken as a prototype, is part of what� vacuum deaerator has a low efficiency especially at high loads due to insufficient surface contact is small and the contact time between steam and water environments.

The invention consists in the following.

To improve the efficiency of the vacuum deaerator offered a second jet plate to provide a comb overflow threshold, and combs overflow thresholds of the first and second jet plates to perform the rectangular angle of 30-60° to the vertical with an inclination in the direction of motion with overflow thresholds threads dearyou water. This will allow to achieve the best break on trickle and small droplets flows dearyou water flowing down from the overflow thresholds of the first and second jet plates and increase the efficiency of deaeration chemically treated water. In addition, to increase the contact time between steam and water environments and, thereby, the processing time warming steam jets and drops of water is provided at the end portion of the second jet plates to install perforated areatoday sheet, wherein the ventilation zone is located near the first jet plate and its protodesign sheet, it is advisable in the last of the three holes. In addition, to create a stable vapor cushion under sparging sheet and the intensification of the processes of heat and mass transfer between the heating steam and dearyou water in the space between the overflow plate and bubble sheet is offered vacuum deaerator to supply passing through �robotany sheet by at least two bypass ducts of heating steam, having a G-shaped and mounted evenly along the body of the deaerator in the space between the overflow threshold of the bubble sheet and a perforated pipe supply heating water bubbling under the sheet.

The technical result - improving the efficiency of the vacuum deaerator due to the increase of the surface and time of contact of the chemically purified water with heating steam.

Said technical result of the invention is achieved in that the known vacuum deaerator includes a nozzle for supplying a chemically purified dearyou water distribution manifold, the first jet plate is provided with protodesign sheet and comb the overflow threshold, the second jet plate, by-pass plate having a by-pass and overflow thresholds, three perforated pipe supply heating water to the overflow plate, bubble sheet with the overflow threshold, the perforated pipe supply heating water bubbling under the sheet, at least two of the outlet conduit heating water not evaporated at the entrance of the bubble sheet, partition, overlapping ducted heating water not evaporated in the flow merging with bubble sheet deaerated water, at least one outlet for removing vapour and one outlet for discharging deaerated water. Person�ness is that the second jet plate is provided with a perforated protodesign sheet and comb the overflow threshold, wherein the ridges overflow thresholds of the first and second jet plates have a rectangular shape and formed at an angle of 30-60° to the vertical with an inclination in the direction of motion with overflow thresholds threads dearyou water, and in paratwada the first sheet of the jet plates provided with holes, and to create a stable vapor cushion under sparging sheet and the intensification of the processes of heat and mass transfer between the heating steam and dearyou water in the space between the overflow plate and bubble sheet vacuum deaerator is provided passing through the bubble sheet by at least two bypass ducts heating steam having a G-shaped and mounted evenly along the body of the deaerator in the space between the overflow threshold of the bubble sheet and a perforated pipe supply heating water bubbling under the sheet.

In the drawings: Fig.1 shows a cross section of the vacuum deaerator; Fig.2 - view And Fig.1; Fig.3 - view of b In Fig.1.

Vacuum deaerator contains the lad 1 supplying chemically purified dearyou water distribution manifold 2, the first jet plate 3, provided with a comb overflow threshold of 4 and a perforated paroot�ceived sheet 5, the second jet plate 6, provided with a comb overflow threshold 7 and a perforated protodesign sheet 8, three perforated pipe 9 for supplying heating water on the overflow plate 10 having a bypass 11 and the overflow 12 thresholds, bubble sheet 13 with the overflow threshold 14, the perforated pipe 15 for supplying heating water bubbling under the sheet 13 mounted along the body of the deaerator two pipe 16 discharging the heating water not evaporated at the entrance of the bubble sheet 13, the partition 17, overlying the outlet heating water not evaporated in the flow merging with bubble sheet 13 deaerated water, two boxes 18 bypass the heating steam, having a G-shaped and mounted evenly along the body of the deaerator in the space between the overflow threshold 14 sparging sheet 13 and a perforated pipe 15 for supplying heating water bubbling under the sheet 13, the nozzles discharging deaerated water 19 and 20 flash steam. While combs overflow thresholds 4 and 7 have a rectangular shape and formed at an angle of 30-60° to the vertical with an inclination in the direction of runoff flows from them dearyou water.

The vacuum deaerator is as follows.

Subject to deaeration chemically treated water through a pipe 1 is fed to a distribution manifold 2 and then the first jet plate 3. Perfora�Oia first jet plate 3 is designed to pass 30% of water consumption at nominal load deaerator. The rest diariea water through comb overflow threshold 4 merges the second jet plate 6. The plate 6 is made through holes in it and comb through the overflow threshold 7. the water jet is discharged at the overflow plate 10, which serves to organize the water supply to the input of a bubble sheet 13. Perforated portion of the plate 10 is small and as close as possible to its Board. The overflow plate 10 due to a supply of heating water through perforated pipes 9 works as an additional bubble sheet, allowing to raise the temperature dearyou water before bubbling the sheet 13, as well as to ensure greater uniformity of heat and mass transfer between the heating medium and dearyou water.

For perforated tubing 15 is the supply of heating water, which overheated relative to the saturation temperature at the pressure in the deaerator. At the exit of the holes of the pipe 15, the water boils and the separated steam is supplied under a bubble sheet 13, and the remaining non-evaporated water heating pipeline 16 is input to a bubble sheet 13.

Vapor passing through the holes in the bubble sheet 13, and a layer of water on it intensively treats the water and it heats up to a temperature approximately equal to the saturation temperature at the pressure in the deaerator. Under sparging sheet about�azueta steam cushion, height with the increase of steam flow increases. The excess steam boxes 18 is bypassed in the jet compartment between the overflow plate 10 and a bubble sheet 13 and intersects the jet stream, which merges with the plate 10. Here comes the steam that has passed through the layer of water bubbling on the sheet 13. In the jet compartment between the second jet plate 6 and the overflow plate 10 of the main heat water and vapor condensation. In the compartment between the first and second plates 3 and 6 condenses the main part of the remaining pair. Released from dearyou water gases and a small amount neskondensirovannyh steam discharged from the deaerator through conduit 20. Deaerated water is removed from the deaerator through conduit 19.

Thus, the supply of the second jet plate comb the overflow threshold and a perforated protodesign sheet, and performing ridges overflow thresholds of the first and second jet plates of rectangular shape and is sloped in the direction of motion with overflow thresholds threads dearyou allows water to increase the surface and the time of contact with chemically treated water with warming steam and, thereby, increase the efficiency of deaeration chemically treated water. In addition, the supply of deaerator passing through the bubble sheet by at least two bypass ducts grease�on steam having a G-shaped and mounted evenly along the body of the deaerator in the space between the overflow threshold of the bubble sheet and a perforated pipe supply heating water bubbling under the sheet, provides the formation of a stable vapor cushion bubbling under the sheet and intensifies the processes of heat and mass transfer between the heating steam and dearyou water in the space between the overflow plate and bubble sheet.

Vacuum deaerator, comprising a nozzle for supplying a chemically purified dearyou water distribution manifold, the first jet plate is provided with protodesign sheet and comb the overflow threshold, the second jet plate, by-pass plate having a by-pass and overflow thresholds, three perforated pipe supply heating water to the overflow plate, bubble sheet with the overflow threshold, the perforated pipe supply heating water bubbling under the sheet, at least two of the outlet conduit heating water not evaporated at the entrance of the bubble sheet, baffle plate, overlapping the drain heating water not evaporated in the flow merging with bubble sheet deaerated water, at least one outlet for removing vapour and one outlet for discharging deaerated water, characterized in that the second inkjet tar�LCA fitted with a perforated protodesign sheet and comb the overflow threshold, while combs overflow thresholds of the first and second jet plates have a rectangular shape and formed at an angle of 30-60° to the vertical with an inclination in the direction of the flow off with overflow thresholds threads dearyou water, and in paratwada the first sheet of the jet plates provided with holes, and to create a stable vapor cushion under sparging sheet and the intensification of the processes of heat and mass transfer between the heating steam and dearyou water in the space between the overflow plate and bubble sheet vacuum deaerator is provided passing through the bubble sheet by at least two bypass ducts of heating steam, having a G-shaped and mounted evenly along the body of the deaerator in the space between the overflow threshold of the bubble sheet and a perforated pipe supply heating water bubbling under the sheet.



 

Same patents:

FIELD: testing equipment.

SUBSTANCE: invention relates to technology of pressure test of electro-hydraulic-mechanical systems and can be used for degassing the working fluid in technical devices using in their constructive solutions the flowing hydraulic tanks of open type. The method comprises degassing the working fluid on the grid in the flowing hydraulic tanks, imparting the grid of low-frequency transverse vibration, and at the inlet of the grid by bubbling the gas liquid layer is created with a high-frequency pulsating low-intensity pressure. The flowing hydraulic tank of open type (1) comprises a lid (2), partitions (3, 4), a grid (5), the pipes of discharge (6) and intake (15) of the working fluid, a drain (7), intermediate (18), intake (14) cavities and involves the installation of a grid (5) on the elastic supports (8). Below the grid (5) on the side of the flow outlet into the cavity (18) a pneumatic dynamic vibrator (9) is mounted with the modulated phase of gas oscillation, the outlet nozzle (10) of which is mounted on the grid (5).

EFFECT: invention provides increased efficiency of degassing fluid, the degassing process intensification, which enables to improve and expand the indices of quality of electro-hydraulic-mechanical systems and their components.

2 cl, 1 dwg

FIELD: chemistry.

SUBSTANCE: invention relates to a polymer obtained via condensation polymerisation. The polymer is obtained from at least two monomers: acrylic monomer and alkylamine. Said polymer is modified such that it contains a dithiocarbamate salt group capable of cleaning one or more compositions containing one or more metals. The polymer has molecular weight of 500-200000.

EFFECT: obtaining polymers for various media as means of purification from metals, including waste water systems.

13 cl, 5 ex, 1 dwg

FIELD: chemistry.

SUBSTANCE: inventions relate to production of desalinated water and can be used for obtaining drinking water from sea and salt waters. Extraction of water from saline solution is carried out with application of selective solvent, containing carboxylic acid, which has carbon chain from 6 to 13 carbon atoms long. In order to realise the method saline solution emulsion in selective solvent is prepared, selective solvent is heated before and after contact with saline solution to obtain first phase, which includes selective solvent and water from saline solution, dissolved in selective solvent, and second phase, including highly-concentrated remaining part of saline solution. After that, first phase is separated from second phase, first phase, including selective solvent and dissolved water, is extracted from highly-concentrated remaining part of saline solution or highly-concentrated remaining part is extracted from saline solution from first phase. First phase is cooled after extraction to precipitate water from selective solvent and precipitated water is removed from selective solvent.

EFFECT: invention provides obtaining almost pure fresh water.

19 cl, 15 dwg, 2 ex

FIELD: process engineering.

SUBSTANCE: invention can be used for desalting of sea, hard and/or contaminated water by direct osmosis desalting. To this end, contaminated feed solution with water at first osmosis pressure is forced through semi-permeable diaphragm to discharge side that has the flow of carrier solution with second osmosis pressure on discharge side of semi-permeable diaphragm. Diluted discharge solution is heated to agglomerate discharged diluted substance to two-phase flow containing liquid phase of agglomerated dissolved substance and liquid water phase. Then, agglomerated dissolved substance is separated to get enriched flow to be cooled to obtain cooled single-phase water-rich flow to be subjected to removal of residual dissolved substance to produce purified water.

EFFECT: higher quality and desalting and purification.

23 cl, 4 dwg, 2 tbl

FIELD: chemistry.

SUBSTANCE: method of purification of phenol-containing sewage waters of alkali-hydrolysis processing of rice husk includes preliminary desiliconisation of phenol-containing sewage waters by their processing with hydrochloric acid with precipitation of solid and separation from solution of silicon-containing product and electrochemical oxidation in presence of chloride ions in electrolytic cell with application of direct current. Process of electrochemical oxidation is carried out with concentration of chloride ions 0.10-0.11 mol/l in non-diaphragm electrolytic cell with application of ruthenium-titanium oxide anode and titanium cathode for 70-90 min with current density 100-150 mA/cm2 with constant mixing. Required concentration of chloride ions is provided by dilution with water of phenol-containing sewage waters after their desiliconisation.

EFFECT: invention makes it possible to increase degree of purification of polydisperse concentrated phenol-containing sewage waters of alkali-hydrolysis processing of rice husk from phenol and other organic pollutants.

3 cl, 1 tbl, 2 ex

FIELD: agriculture.

SUBSTANCE: device comprises a flotation device, a frame, a hydraulic drive. On the frame the longitudinal rods are pivotally mounted, and on their cantilever portion the linkage for attachment of the drum is mounted with the ability of movement in a vertical plane. The drum is mounted with the ability of replacement of the drum holder, at that the drum is rotated by the hydraulic motor through the belt drive in the direction opposite of the flotation device movement.

EFFECT: improvement of quality of the implementation of the technological process of cleaning the water reservoirs from blue-green algae and reduction of energy intensity.

2 dwg

FIELD: chemistry.

SUBSTANCE: invention can be used for biological purification of household and close to them in composition industrial sewage waters from organic compounds and nitrogen of ammonium salts. Initial sewage water is processed in alternating zones with reduced oxygen regime and aerobic regime with further settling biologically purified water and recirculation of active silt. First, sewage water is processed in two zones with reduced oxygen regime, where growth of attached microorganisms is performed on planar inert material with specific area of its surface in first zone 17 m2/m3 and in second- 21 m2/m3 and hydraulic load in first zone not higher than 1.38 m3/m2 of carrier and in second - 0.43 m3/m2 of carrier. After that, processing is carried out in two aerobic zones with specific surface of inert charge material 24 m3/m2 and hydraulic load 0.32 m3/m2 of carrier in each. Recirculated mixture of sewage water and active silt from last aerobic zone is supplied to beginning of first zone in amount 120-150% of volume of supplied sewage water. Concentration of oxygen in zones with reduced oxygen regime is supported in amount 0.5 mg/l, and in aerobic zones - 4-5 mg/l. Settling of purified water is realised for 1-1.5 hours.

EFFECT: method provides increased stability of purification processes, reduction of energy consumption for air supply, twofold reduction of volume of secondary settling tanks.

1 ex, 1 tbl, 4 cl

FIELD: agriculture.

SUBSTANCE: invention relates to the field of hydraulic engineering, namely the preparation of wastewaters in irrigated agriculture for irrigation and fertilising of plants. The biological stabilisation storage pond comprises a closed water intake water reservoir area in the form of a storage pond 1, having a water-supply tube 2 with the fed collector 21, and a water distribution device at the inlet of the discharge pipeline 4. The water distribution device has two concentrically arranged rings, the inner 5 of which is connected to the pipeline of the outlet, and the outer 6 - to the pipeline of inlet and is located in the lower point of the inclined bottom. The inlet opening of the ring 5 is provided with an air pipe 9 with a valve 10, one end of which is mounted at the inlet to the discharge pipeline 4, and the other communicates with the atmosphere. The source of pressurised air and gas emitted from the wastewaters is made in the form of a mixing chamber 11 with the mesh cloth 12 at the upper part, sequentially arranged on the discharge pipeline 4 below its input. The chamber 11 is connected by the tube 13 with the perforated tubes 14 located in the cavity of the inner ring 5. In the side walls of the inner rings 5 there are air-gas slotted openings 16. In order to regulate the conditions of discharge of the wastewaters into the pond and their removal from the side of the grid 8 at filling the pond 1 a shield 19 can be mounted with an inclination towards the bottom of the pond. The shield 19 can be mounted on a horizontal axis of rotation 20 and is connected by the rods with the drive of vertical movement. According to the second embodiment the storage pond comprises successive water reservoirs with inclined bottoms and water distribution devices. The water distribution devices are formed as two concentrically arranged rings, the inner of which is connected with the discharge pipeline and the outer - with the pipeline of feeding of flows, located in the lower point of the inclined bottom. The inner ring is provided with an air pipe with a vent, one end of which is mounted at the inlet to the discharge pipeline, and the other communicates with the atmosphere. In the side walls of the inner ring there are air-gas outlet openings. The water distribution devices are connected on the discharge pipeline with the mixing chambers.

EFFECT: device improves the efficiency of protection of intake of wastewaters from entering floating debris and simultaneous contributes to decontamination when feeding wastewaters for irrigation The design of the device enables to mix the air due to the organisation of the process of air-gas connection and discharging it from the chamber, which is in the gaseous state.

4 cl, 3 dwg

FIELD: chemistry.

SUBSTANCE: method includes anaerobic fermentation of organic substances in a methane tank with electrical activation of the medium with dc voltage of 0.2-36 V while stirring and bubbling the mass with the released biogas. The organic substances are fed into the methane tank with moisture content of 40-95%. Monitoring is carried out by measuring the value of current in the electrical circuit, calculating conductivity of the system, measuring the volume flow rate of the formed biogas and determining the current content of carbon dioxide gas in the biogas in the upper part of the methane tank. Electrical activation of methanogenesis is controlled by controlling current by setting a new value of current at the level of the sum of the present and calculated maximum current.

EFFECT: high content of methane in biogas, intensification of the process of producing biogas, high process stability and obtaining an end product with accurately defined parameters.

4 dwg, 1 ex

FIELD: chemistry.

SUBSTANCE: group of inventions can be used in membrane electrolytic production of chlorine and sodium hydroxide for removing silicon from aqueous compositions containing sodium chloride. The method includes adding, to an aqueous composition of sodium chloride containing silicon, an aluminium-containing compound to obtain molar content of aluminium higher than molar content of silicon in said aqueous composition; Monitoring and maintaining pH of the composition at a first level higher than or equal to 8 and lower than or equal to 10 to obtain a first precipitate; Monitoring and maintaining pH of the obtained aqueous composition at a second level higher than or equal to 4 and lower than or equal to 7 to obtain a second precipitate; separating the formed precipitate from the aqueous suspension to obtain a purified aqueous composition. According to the second version of the method, the precipitate is separated at each formation step thereof. A method of producing chlorine and sodium hydroxide includes electrolysis of aqueous sodium chloride solution purified from silicon using the disclosed methods using a membrane cell.

EFFECT: invention reduces content of silicon in the purified solution which contains sodium chloride, with aluminium content in the purified solution lower than 1 mg/l.

14 cl, 4 ex

FIELD: devices for purification of household and industrial sewage.

SUBSTANCE: the invention is dealt with devices for purification of household and industrial sewage and intended for electrical and cavitational treatment of sewage containing a large quantity of organic compounds. The device for purification of sewage consists of a body made out of a dielectric material partitioned by diaphragms for two electrode chambers and one working chamber, that contains a filtering material. The electrode chambers have cavitational field sources installed and the working chamber is supplied with a the bubbler installed in it. The technical result consists in an increase of recuperation of the filtering material at the expense of application of a cavitational field to it, decrease of the microbiological semination, and an increase of cavitational effect on particles.

EFFECT: the invention ensures an increase of the filtering material recuperation, decreased microbiological semination and increased the cavitational effect on particles.

1 dwg

FIELD: devices for purification of household and industrial sewage.

SUBSTANCE: the invention is dealt with devices for purification of household and industrial sewage and intended for electrical and cavitational treatment of sewage containing a large quantity of organic compounds. The device for purification of sewage consists of a body made out of a dielectric material partitioned by diaphragms for two electrode chambers and one working chamber, that contains a filtering material. The electrode chambers have cavitational field sources installed and the working chamber is supplied with a the bubbler installed in it. The technical result consists in an increase of recuperation of the filtering material at the expense of application of a cavitational field to it, decrease of the microbiological semination, and an increase of cavitational effect on particles.

EFFECT: the invention ensures an increase of the filtering material recuperation, decreased microbiological semination and increased the cavitational effect on particles.

1 dwg

FIELD: devices for purification of household and industrial sewage.

SUBSTANCE: the invention is dealt with devices for purification of household and industrial sewage and intended for electrical and cavitational treatment of sewage containing a large quantity of organic compounds. The device for purification of sewage consists of a body made out of a dielectric material partitioned by diaphragms for two electrode chambers and one working chamber, that contains a filtering material. The electrode chambers have cavitational field sources installed and the working chamber is supplied with a the bubbler installed in it. The technical result consists in an increase of recuperation of the filtering material at the expense of application of a cavitational field to it, decrease of the microbiological semination, and an increase of cavitational effect on particles.

EFFECT: the invention ensures an increase of the filtering material recuperation, decreased microbiological semination and increased the cavitational effect on particles.

1 dwg

FIELD: food and pharmaceutical industries; water filtration.

SUBSTANCE: the invention presents a method of purification of liquids and is dealt with filtration, in particular with the methods of purification of liquids from impurities. It may be used in the systems of industrial and household water supply in food and pharmaceutical industries. The method of liquids purification includes a partial shutting off a trunk of the unpurified liquid, delivery of the unpurified liquid in a trunk of the unpurified liquid and to the filtration element - in a trunk of purified liquid. Before the unpurified liquid delivery into the trunks of the unpurified and purified liquids it is passing through an ejector. The technical result is an increased convenience in operation and productivity of purification due to simultaneous outflow of both purified and unpurified liquids without decrease of a flow area of the purified liquid trunk running cross-section.

EFFECT: the invention ensures an increase of convenience in operation and productivity of purification of liquids without decrease of a flow area of the purified liquid trunk running cross-section.

6 dwg

FIELD: water-supply engineering.

SUBSTANCE: invention relates to methods of removing hardness salts from regenerates and can be used in water treatment processes in heat-and-power engineering, chemical, petrochemical, food, and other industries provided with ion-exchange water-desalting filters. Method is accomplished by precipitation of hardness salts involving recycle of precipitate treated by alkali solution followed by passage of supernatant through H-cationite filter. Treated precipitate accumulated in preceding settling cycles is recycled into regenerate and settling-subjected solution is passed through cationite filter to produce purified sulfuric acid further used for regeneration of H-cationite filters in water-treatment cycle. Precipitate is treated with alkaline regenerate from OH-anionite filters or with alkali solution obtained from electrolysis of regenerates with pH not below 11. Amount of regenerate introduced into accumulator-settler should be at least 20 kg/m3.

EFFECT: excluded liming procedure, preserved initial (after regeneration of filters) content of sulfate ions in sulfuric acid, reduced consumption thereof during preparation of regeneration solution, and excluded discharge of sulfate ions unto water objects.

3 cl, 2 ex

FIELD: petrochemical and food and other processing industries.

SUBSTANCE: the invention presents a device for purification of sewage and is dealt with designs of sewage treatment plants for purification and averaging of consumption and composition of sewage and may be used for preliminary purification of sewage of the enterprises of processing industries from floating and settling insoluble impurities. The device contains a cylindrical body with a cone-shaped bottomed, a mounted along the axis of the body cylindrical partition, a located above the body reactive water distributor with branch-pipes, a floating device, a rotating rocker arm with a foam pushing plates mounted with the help of a half-coupling to the reactive water distributor at a maximum level of water in the device, a collecting tank mounted with possibility of delivery in it of the circulating water, a pump, a pressure tank-saturator linked by a pressure pipeline with the reactive water distributor. Inside the body there is a ring-type chute, in which the reactive water distributor branch-pipes supplied with diffusers on their ends are placed. The technical result is an increase of efficiency of sewage purification and realization of averaging of consumption and composition of sewage and its purification simultaneously.

EFFECT: the invention ensures increased efficiency of sewage purification and simultaneous realization of averaging of sewage consumption, composition and purification.

1 dwg

FIELD: water treatment.

SUBSTANCE: invention relates to removing and decomposing nitrate ions contained in water, for example in ground water or in surface waters. Process consists in passing aqueous solution through electrochemical cell containing at least one anode and at least one cathode and passing electric current between them. Surface(s) of cathode is(are) covered with layer consisted of metallic rhodium. Aqueous solution is preferably aqueous solution, which was used for regeneration of ion-exchange column.

EFFECT: enhanced electrochemical cell efficiency.

18 cl, 3 ex

FIELD: water treatment.

SUBSTANCE: invention relates to removing and decomposing nitrate ions contained in water, for example in ground water or in surface waters. Process consists in passing aqueous solution through electrochemical cell containing at least one anode and at least one cathode and passing electric current between them. Surface(s) of cathode is(are) covered with layer consisted of metallic rhodium. Aqueous solution is preferably aqueous solution, which was used for regeneration of ion-exchange column.

EFFECT: enhanced electrochemical cell efficiency.

18 cl, 3 ex

FIELD: water treatment.

SUBSTANCE: invention relates to removing and decomposing nitrate ions contained in water, for example in ground water or in surface waters. Process consists in passing aqueous solution through electrochemical cell containing at least one anode and at least one cathode and passing electric current between them. Surface(s) of cathode is(are) covered with layer consisted of metallic rhodium. Aqueous solution is preferably aqueous solution, which was used for regeneration of ion-exchange column.

EFFECT: enhanced electrochemical cell efficiency.

18 cl, 3 ex

FIELD: water treatment.

SUBSTANCE: invention relates to removing and decomposing nitrate ions contained in water, for example in ground water or in surface waters. Process consists in passing aqueous solution through electrochemical cell containing at least one anode and at least one cathode and passing electric current between them. Surface(s) of cathode is(are) covered with layer consisted of metallic rhodium. Aqueous solution is preferably aqueous solution, which was used for regeneration of ion-exchange column.

EFFECT: enhanced electrochemical cell efficiency.

18 cl, 3 ex

Up!