Device for desalination of sea water
FIELD: machine engineering.
SUBSTANCE: device for desalination of sea water includes a body located inside and fixed on the frame structure with a suction valve, and a valve for discharging concentrate by a plunger pump, the movement of vertically arranged plunger working on reverse osmosis principle and containing a coiled flexible material that is twisted in shape of cylindrical pipe which is a reverse osmosis membrane, to the lower position passing beyond the limits of the body under the action of its weight, and lifting to the upper position is performed by a flexible coupling, one end of the lifting device is connected to the lower end of the plunger, and at the other end connected to a source of unidirectional intermittent motion in the form of sea wave energy converter.
EFFECT: simplified design and improved reliability.
8 cl, 1 dwg
FIELD: power industry.
SUBSTANCE: invention refers to power generation devices, particularly electric power generators utilising wave motion in water basins. Device includes at least one functional unit containing at least a main or drive shaft with a drive gear (13b) attached fast to it, engaging and rotated by linear control element (15b), at least two driven shafts (21b, 22b) actuated by at least main or drive shaft of unidirectional drive device, each capable of connection at least to electric power generator, two driven cogwheels (18b, 19b) on opposite ends of main or drive shaft, drive device connecting each cogwheel (18b, 19b) to the main or drive shaft, thus aligning the shaft rotation under effect of element (15b) with the cogwheel rotation (18b, 19b), and flat cogwheel engaging the cogwheel (18b, 19b). Each cogwheel (18b, 19b) is connected to respective shaft (21b, 22b).
EFFECT: device installed onshore or off-shore in floating, semi-submerged or submerged position.
9 cl, 14 dwg
SUBSTANCE: invention relates to an electric device with a winding (12) and a device for induction of current in a winding. The bridge circuit (400) electrically connects the winding (12) with the load (13). According to the invention the bridge circuit (400) comprises a capacitor device (401, 402) which is adapted to resonance with an impedance of the winding (12).
EFFECT: increase of power takeoff coefficient of a power unit.
21 cl, 8 dwg
FIELD: power industry.
SUBSTANCE: wave energy conversion unit includes flap 4 swung with waves and having positive buoyancy, horizontal hinges 3, fixed foundation 1, power takeoff device connected to foundation 1. The unit is equipped with vertical frame 2 connected along the lower edge to foundation 1 through horizontal hinges 3, which is also connected to foundation 1 by means of the power takeoff device made in the form of linear electric generator 7. Flap 4 has a possibility of free sliding along vertical guides of frame 2, thus providing optimum position relative to the varying water level.
EFFECT: providing use efficiency of wave energy and improving reliability of the unit.
3 cl, 4 dwg
SUBSTANCE: invention can be used for electric power generation by conversion of wave energy. The power plant consists of a streamline water-tight float 1 and a cylindrical body 3 placed vertically inside the float with a pendulum 4 located inside the body. The pendulum 4 is suspended to the end of a cable 5 which is thrown over a block 6 installed at a rotating axis 7. The other end of the cable 5 is connected to an anchor 9 placed at the bottom. A rotor with permanent magnets of electric generator 10 is connected to the rotating axis 7 of the block. A stator of the generator 10 is fixed in the body 3. The stator winding of the generator 10 is connected to the input of a charger 11 while the output of the charger 11 is connected to an accumulator battery 13 which is located together with the charger 11 in an instrumentation module in the upper part of the float 1.
EFFECT: invention is oriented to increase in power, reduction in dimensions and weight of the float wave electric power plant.
FIELD: power engineering.
SUBSTANCE: mechanism of permanent rotation to vary oscillating movement into unidirectional rotation of an output shaft comprises a gear 27, attached to an input shaft 321a, the first coupling 322c, attached to the input shaft 321a, a gear 323f, connected between the gear 27 and the coupling 322c, a gear 323j, connected to an intermediate shaft 325a, a gear 323g and a single-sided coupling 322d, connected to the intermediate shaft 325b, an intermediate shaft 325c with a gear 323l, connected to the single-sided coupling 322d. The coupling 322c is connected to the intermediate shaft 325a. Connection between the gears 323j and 3231 is achieved by means of the intermediate gear 323k, which is connected to the output shaft 327.
EFFECT: provision of high extent of wave energy usage.
16 cl, 18 dwg
FIELD: power engineering.
SUBSTANCE: device using energy of sea waves comprises a floating body (1), connected by means of a flexible connecting facility (3) with a converter (6), moving reciprocally in a linear generator (2). The floating body (1) is suited for floating on sea, and a stator (8) of the generator is suited for anchoring at sea bottom. A guide device (9) is installed at the inlet of the connecting facility (3) into a jacket (4) of the generator (2) and comprises a hollow body (12), having lower and upper holes (17, 18). The upper hole (18) is larger than the lower hole (17). The connecting facility (3) is suited for passage through the lower hole (17) and the upper hole (18) of the guide device, besides, a part of the connecting facility momentarily arranged between the specified holes, is determined as a guide part, at the same time the lower hole (17) is arranged so that the guide part next to the lower hole is at one straight line with the specified central axis, and the upper hole (18) is arranged so that the guide part next to the upper hole may form an angle with the central axis. The invention also relates to the method for power generation and to application of the device using energy of sea waves for power generation.
EFFECT: generation of power from potential sources of energy without regard to relative side position of a floating body.
24 cl, 4 dwg
FIELD: power industry.
SUBSTANCE: wave energy converter includes platform 22 submerged into water space. Platform 22 is supported in water by means of fully buried float and retained by means of halyard 28, such as chain, rope or cable wire, which attaches the platform to bottom of water space. Pump assembly is fixed on platform and includes double-acting pump 9 performing back-and-forth movement and surface float 2. Float 2 can float on surface of water space. Floatability of surface float 2 creates upward stroke of double-acting pump 9 when wave height increases, and weight of surface float 9 creates downward stroke of double-acting pump when wave height decreases. Displacement of fully sunken float is larger than displacement of combined sunken weight of platform 22, pump assembly and halyard 28 so that halyard 28 remains stretched during downward stroke of double-acting pump 9.
EFFECT: creation of efficient wave energy converter.
16 cl, 7 dwg
FIELD: machine building.
SUBSTANCE: invention refers to wave power plant for generation of electric power. Wave power plant includes a floating body provided with possibility of floating in the sea, and electric linear oscillator with stator 5 and translator 6 performing back-and-forth movements. Stator 5 is provided with possibility of being anchored at the sea bottom. Translator 6 is connected to floating body by means of connection device. Translator 6 is supported with many rolling elements 15 so that circumferential gap 14 is formed between stator and translator. Each rolling element has elasticity that is rather low to comply with the condition consisting in the fact that the result of change of width "d" of the gap is the change of full force of rolling elements 15, which exceeds full magnetic forces on translator 6, which are the result of the above change of width "d".
EFFECT: invention is aimed at improvement of operating reliability.
20 cl, 8 dwg
FIELD: power engineering.
SUBSTANCE: wave power device comprises a floating body 1, which floats on sea, and an electric linear generator 2, comprising a stator 5 and a converter 8, making reciprocal movements along the central axis. The stator 5 may be fixed to the sea bottom, and the converter 8 is connected to the floating body 1 with the help of a connecting facility 3, 7. The generator 2 is enclosed into a water impermeable capsule 4, having an upper end wall with a hole, through which the connecting facility 7 stretches. The hole makes a seal 12, tightly adjacent to the connecting facility 7. The seal 12 is arranged in a flexible manner.
EFFECT: higher efficiency and reliability of a wave power device.
14 cl, 2 dwg
FIELD: power industry.
SUBSTANCE: sea wave energy converter includes upper float 1 located on the water surface, hydraulic cylinder 2 and electric generator with the rotor performing back-and-forth movement, and fixed stator. Rotor consists of constant magnets. Stator includes inductance coils. Hydraulic cylinder 2 is installed inside float 1 and represents a double-acting pump. Converter is equipped with hydraulic vibrator consisting of the cylinder filled with fluid, along the axis of which there arranged with possibility of back-and-forth movement is stepped shaft mechanically connected to generator rotor, and hydraulically through control distributing slide valve to pressure and drain chambers of hydraulic cylinder 2. Vibrator and generator is installed inside pipe 8 connecting hydraulic cylinder 2 to lower float 9, through depth control 12 connected to sea bottom. Float 9 buoyancy is higher than float 1 buoyancy.
EFFECT: higher efficiency of the proposed converter, which is achieved by conversion of low-frequency vibrations of float on sea wave surface to high-frequency vibrations of rotor of linear generator with respect to fixed magnetic conductor.
2 cl, 3 dwg
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: machine building.
SUBSTANCE: reverse osmosis (RO) module to produce superpure water contains a pipe with bottom and lid, and located in pipe RP membrane with permeate gathering pipe. RO membrane by the end section is inserted in the membrane flange, and is sealed relatively to it by the ring seal, and flange is secured on the module bottom and has telescoping preventing sprocket that is integral part of the flange. The module bottom has inlet hole for the feed water that ends in the ring slit under the membrane flange, the outlet hole for concentrate that ends radially in the membrane flange under the membrane, and hole connected with end of the permeate gathering pipe. The invention ensures minimization of the dead areas in the structure, their presence results in bacterial pollution and creation of the biological deposits. Besides the invention provides for the possibility of use in RO units with various capacity.
EFFECT: improved design.
10 cl, 6 dwg