Complex for industrial discharges and sewage water treatment
SUBSTANCE: complex includes a housing with a capacity of (1), a transport-dewatering unit (5), three-type modular water purification devices (2, 3, 4), water supply (19) and discharge (10) devices. The capacity (1) of a triangular or trapezoidal section has an angle of sides inclination of 43-48° and is docked with the hulls of transport-dewatering units - horizontal (7) and inclined (8). Inside the case, modular water purification devices (2, 3, 4) of the same type are installed in pairs, separated by transverse partitions (6). The receiving section (9) is separated from modular "blinds" (2) devices by a partition (6) from the top to 2/3 of module height. Modular devices of thin-layer clarifiers (3) and modular devices for electrical water treatment (4) are separated by transverse partitions (6) from the bottom to 2/3 of modules height. The water discharge device (10) is separated from modular electrical processing devices (4) by a transverse partition (6) from the top. The transport devices (7) and (8) are pipes with slots in the sludge outlet vessel (1) and are docked at an angle of 8-13° with the screws (11) placed inside. The slot (14) of the transport-dewatering unit (5) is cut in the pipes from the partition separating the modular water treatment device (4) to the point of tank filling with water on an inclined pipe that has a tie sieve (15) on the upper end and a pan (16) with a discharge pipe (17) to discharge the sub-product into the container (1). The slot (14) is covered by a grid (18) made of plates installed at an angle of 45°. The water supply device has a flat bell (20), the water discharge device (10) has a pipe diameter that ensures flow rate of not more than 0.1 m/s in the complex.
EFFECT: complex provides reliability, design simplification and reduction of equipment dimensions.
FIELD: machine building.
SUBSTANCE: water treatment and disinfection device comprises a casing 1 fitted with a cover 2, a filtering element 3, an inlet connecting pipe 4 and a sediment tank 6. An outlet branch pipe is mounted in the cover 2. A ring 7 with its outer surface contacting with the inner surface of the casing 1 is mounted in the upper part of the casing 1. Ultraviolet light-emitting diodes 8 are installed on the inner surface of the cover 2. The sediment tank 6 is made as a hollow semisphere with its centre turned downwards. The inlet connecting pipe 4 is installed in the centre of the sediment tank 6. A tube 9 connected to the inlet connecting pipe 4 is vertically installed in the casing. A baffle 10 in the form of a coil is mounted on the tube 9. A slot with its length being equal to the baffle 10 length is provided in the tube 9. The upper slot edge is set at the level of the upper edge of the baffle 10. A circular plate 11 with its diameter being equal to the outer diameter of the baffle 10 is mounted on the baffle 10. The ring 7 is mounted above the plate 11. The inner surface of the cover 2 is fitted by ledges 12. The filtering element 3 is installed between the ring 7 and the ledges 12 and is made as a cylinder with its diameter being equal to the inner diameter of the casing 1.
EFFECT: improved quality of water treatment and disinfection.
FIELD: food industry.
SUBSTANCE: method involves water purification from mechanical admixtures by way of filtration, water treatment with pulse ultrasound field with a frequency equal to 22±1.65 kHz, ultrasonic oscillation power equal to nearly 120-200 W, intensity equal to nearly 10-20 W/cm2 and exposure lasting 3-5 minutes. Then water is repeatedly filtered and treated with ultraviolet radiation at wave length amounting to 200-250 nm.
EFFECT: drinking water treatment technology simplification combined with simultaneous increase of the degree of water purification from undesirable admixtures and the required quality water obtainment.
2 dwg, 1 tbl, 3 ex
SUBSTANCE: method of obtaining drinking water includes intake of water from a natural source, purification from solid admixtures and processing by passing water through an apparatus, which represents a device, which has an external and an internal cylinder. Water from a supplying tube is passed through the central cavity of the device with a possibility of spiral twisting by countercurrent flows at a rate of 0.2-3.0 m/s and magnetisation. Water processing is carried out at a temperature of 5-25°C, with further realisation of flow-through magnetic processing in an apparatus, which represents a magnetic tube with a diameter of 5-20 cm, through which water flows at a rate of 0.2-3.0 m/s.
EFFECT: invention makes it possible to create water, which can be used for constant consumption by people without damage to health, as well as to reduce energy consumption, increase reliability, ecological compatibility and resource saving.
SUBSTANCE: invention relates to water treatment and particularly to complex water treatment. Raw water is first passed through a module of centrifugal filters 3 with electromagnetic elements, after which the water is fed into a storage container 4 while simultaneously adding a chlorine-containing preparation obtained an electrolysis cell 15 via electrolysis of table salt; the water is the fed onto an array of hollow-fibre ultrafilters 8, after which the water undergoes final treatment on a photocatalytic column 11 based on nanocrystalline titanium dioxide and ultraviolet radiation in a bactericidal module 16.
EFFECT: use of the disclosed method increases efficiency of the complex water treatment equipment one and half times without increasing dimensions thereof and operational life at least two-fold.
FIELD: process engineering.
SUBSTANCE: invention can be used for purification of natural waters at production of drinking water. Clarification is made by forcing water through the layer of foam bricks or foamed polystyrene while filtration is performed by forcing this water through quartz sand with grain size of 0.3-1.5 mm and gravel of 2-32 mm grains. Sorption is made on granulated activated carbon with grain size of 0.5-5 mm to decontaminate initial water by primary chlorination with sodium hypochlorite containing up to 19% of active chlorine in amount of 0.9-1.3 mg/l. Then, water is processed by polarisation current of carbon-graphite electrode self-organisation in aluminium oxyhydrate medium for 50 minutes and by aluminium sulphate in amount of 1.8-2.5 mg/l and flocculating agent POLYDADMAX, series FLOQUAT FL 45 in amount of 0.1-0.4 mg/l. Now, secondary chlorination is performed by sodium hypochlorite containing up to 19% of active chlorine in amount of 3-5 mg/l.
EFFECT: higher efficiency of purification and quality of drinking water, non-polluting process.
1 dwg, 2 tbl
SUBSTANCE: invention can be applied at thermal power plants. Method includes clarification filtration and deep demineralisation of blowdown water flow before utilisation, supply of additional water into circulating system and its preliminary demineralisation by reagent decarbonisation and sodium-cation exchange in alkaline medium, water demineralisation by sodium-cation exchange in the mode of primary and secondary cation exchange, prevention of continuous emission into atmospheric air of phenol from composition of circulating water in the process of its evaporation cooling and bactericidal processing of additional water flow by polyhexamethylene guanidine derivative. Blowdown water after clarification filtration is subjected to short-wave ultraviolet irradiation and is separated into two flows. One flow is processed with lime to pH=9.0-10.5, is demineralised by sodium-cation exchange in the mode of secondary cation exchange and directed to heating system feed. The other flow if successively subjected to deep demineralisation by sodium-cation exchange in the mode of secondary cation exchange, to primary and secondary reverse-osmosis filtering.
EFFECT: method ensures exclusion of uncontrolled emission of phenol into atmosphere in the process of evaporation cooling of blowdown water and growth of its corrosion activity, reduction of consumption of reagents for ensuring safety of blowdown water in circulatory cooling system of thermoelectric power plant and obtaining highly demineralised water.
2 cl, 17 ex, 1 tbl
SUBSTANCE: inventions can be used in treating water at slaughter houses and meat processing plants. Slaughter house and meant processing plant waste water is subjected to mechanical, chemical and biological treatment. Before each treatment step, the waste water is treated with a pulsed magnetic field. The mechanical treatment step employs a fat trap having a reinforced concrete housing with the shape of a parallelepiped, having a slanting bottom (20) with vertical walls (21, 22), on top of which a detachable ceiling (23) is mounted. A detachable bottom ceiling (24) is mounted under the top ceiling (23) at a distance of at least 30 cm. One of the vertical walls adjoins a box (25) for cleaning the fat trap with hot water, steam or mechanically. A pipe for feeding waste water (28) lies opposite the box (25) on the vertical wall (21). A waste water inlet opening (27) lies in the bottom part of the housing next to an emergency valve (26). Vibrators (30, 31) are mounted on one of the vertical walls and at the bottom of the housing.
EFFECT: inventions increase efficiency of trapping fatty components of slaughter house and meat processing plant waste water, reduce microbe content by 17% and the coliform index by 25%.
2 cl, 2 dwg, 1 ex
SUBSTANCE: invention can be used in production of textile materials for fine purification of waste water from dyes. Method is realised by treating dyed waste water, which contains dyes cationic red 2S, direct pure blue, with UV radiation with wavelength 186-254 nm in the presence of hydrogen peroxide in concentration of 1-5 mg/l. Treatment is carried out together with ultrasound with power of 0.2-0.5 W/cm2 at a frequency of 35-47 kHz.
EFFECT: method increases the degree of fine purification of waste water from dyes and cuts the treatment time while reducing the amount of hydrogen peroxide and providing simultaneous purification from surfactants.
1 dwg, 2 tbl, 9 ex
FIELD: process engineering.
SUBSTANCE: invention relates to automatic control multistage water treatment for provision population with adequate drinking water at separate territorial sections, particularly, multistory apartment houses, supermarkets, hospitals, etc. Proposed plant comprises inlet flow gage 2, initial water conductivity transducer 4, pre-filtration unit 5, concentrate circulation pipeline 6, permeate circulation pipeline 7, booster pump 8, magnetic treatment unit 10, reverse osmosis unit 11, permeate conductivity transducer 14, permeate flow gage 12, set 16 of temperature and pressure gages, solenoid valve 17 incorporated with reverse osmosis unit pulsed flushing, electrolytic tank with silver electrodes 13, accumulator tank 19, main pump 23, postfilter unit 24, UV steriliser 25, plant controller 28.
EFFECT: efficient treatment, automated control over water purification, expanded treatment performances.
7 cl, 3 dwg
SUBSTANCE: invention can be used for purification and disinfection of sewage water of small and medium-size enterprises, municipal organisations, settlements and housing estates with productivity of about 1-10 m3/hour. In order to realise the method processing of continuous water flow is performed with electron ray with energy 300-500 keV, pulse duration 20-50 ns, density of electron pulse current 5-300 A/cm2 and pulse repetition rate from single pulses to 100 pulse/s. In preferable versions of method sewage water is preliminarily saturated with oxygen, or oxygen in mixture with other gases, with formation of aerosol flow. In addition, saturation with oxygen or oxygen in mixture with other gases is carried out by blowing air through water.
EFFECT: method is characterised by increase of power by 103-105 times of absorbed dose without significant increase of electron energy in ray and ensures disinfection and purification of sewage water from inorganic and organic compounds, such as phenols, crude oil products, surface-active substances.
4 cl, 2 dwg, 2 ex
SUBSTANCE: claimed is method and deammonifying installation for purification of ammonium-containing sewage waters. Deammonifying installation for purification of ammonium-containing sewage waters contains aeration tank and hydrocyclone for separation of sludge from aeration tank into relatively heavy fraction, which includes bacteria, performing anaerobic ammonium oxidation, and relatively light fraction. Hydrocyclone contain input, connected with aeration tank, for return of separated relatively heavy fraction into aeration tank and upper output, connected with aeration tank, for discharge of separated relatively light fraction from hydrocyclone. Hydrocyclone contains cylindrical segment and conic segment. Surface of internal walls of conic segment is rough on certain parts. Rough surface of internal walls of conic segment has higher degree of roughness than surface of internal walls of cylindrical segment. Method of purification of ammonium-containing sewage waters is realised in deammonifying installation.
EFFECT: simplification of ammonium and nitrite conversion into elementary nitrogen.
33 cl, 3 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to ecology and environmental protection. For cleaning filtering system is erected and used on soil slope surfaces. Filtering system is composed of the slope soil top layer processed with aqueous solution of polyelectrolyte complex. The latter comprises the mix of hydrolysed polyarcylonitrile and polyethylene polyamine at the ratio of 1:3.5-1:4.5, wt %. Processed soil sorption capacity saturated, said soil is removed and disposed or recovered.
EFFECT: simplified cleaning, higher erosion resistance of run-off surfaces.
SUBSTANCE: invention relates to chemical industry. Mixed coagulant from mineral raw material is obtained by dissolution of boehmite-kaolinite bauxide in autoclave with hydrochloric acid with concentration 220 g/l with ratio S:L=1:6 for 1-3 hours in interval of temperatures 150-180°C.
EFFECT: invention makes it possible to increase coagulation ability of mixed coagulant - hydrooxichloride of aluminium and iron with concentration by Al2O3 2,32-6,87 and by Fe2O3 0,94-1,02 wt %, in water purification: by turbidity and colour.
2 dwg, 6 tbl
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.
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
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
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
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
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.
FIELD: heating, drying.
SUBSTANCE: invention relates to thermal drying of the dough materials, in particular deposit of the treatment stations. Method contains two drying stages: first stage of drying (2) is of indirect type fed by hot fluid, it receives deposit with output dryness Se, and deposit is created at the output with intermediate dryness Si, and water steam that is directed to the condenser (8) for heating in it of the fluid loop for water heating, in particular, that in its turn will heat the heating gas for second stage of drying (6); stage (5) of deposit forming as cords at output of the first stage; second stage of drainage (6) of deposit cords by gas heated in particular partially by heat removed from the condenser. At second stage output the product is produced by final dryness Sf; at that intermediate dryness Si is adjusted depending on measured input dryness Se and required output dryness Sf for minimum total power consumption for drying; at that due to this flowrate, pressure and/or temperature of hot fluid (3) feeding the first stage of drying (2) are adjusted.
EFFECT: reduced power and heat consumption.
18 cl, 3 dwg