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53results about How to "Relieve water pressure" patented technology
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Collection, filtration, purification and storage system for water
ActiveCN101839007AImprove water qualityLarge water capacityGeneral water supply conservationFiltration circuitsParticulatesWater source
The invention discloses a collection, filtration, purification and storage system for water, which comprises a water collection and filtration system and a water purification and storage system, wherein the water collection and filtration system comprises a collector-shoe gear, a filtration and stream guidance device and a stream guidance pipeline connected with the collector-shoe gear and the filtration and stream guidance device; and the water purification and storage system is communicated with the filtration and stream guidance device through a water transmission pipeline extending from the filtration and stream guidance device to enable water output by the filtration and stream guidance device to be stored by flowing into the water purification and storage system through the water transmission pipeline. The system can be applied to the collection, filtration and storage of runoff rainwater on hillside and road as well as in farm and yard, lake water and river water. The collection, filtration, purification and storage system for the water can carry out multiple prefiltration and predeposition on the water source, remove large floating matters and small solid suspended particulate matters in water flow, and enable the water moving into the water purification and storage system to have better water quality after the pretreatments.
Owner:RENCHSAND ECO ENVIRONMENT PROTECTION SCI & TECH CO LTD
Slanting backward type road shoulder wall back drainage system and construction method
InactiveCN109056786AEasy constructionQuality controllableArtificial islandsUnderwater structuresRoad surfaceRetaining wall
The invention discloses a slanting backward type road shoulder wall back drainage system. The slanting backward type road shoulder wall back drainage system comprises a broken stone or cobble invertedfilter layer, a water-permeable material, water-permeable geotechnical cloth, a plurality of water drain pipes and a graded broken stone sub-base layer. The broken stone or cobble inverted filter layer is arranged on the inner side of a retaining wall. The water-permeable material is arranged between the broken stone or cobble inverted filter layer and a backfilling subgrade and is of an invertedtriangle structure. The water-permeable geotechnical cloth is arranged along a backfilling subgrade slope, the bottom of the retaining wall and the inner side wall body of the retaining wall. The water drain pipes are arranged in water drain holes in the retaining wall, one ends of the water drain pipes communicate with the broken stone or cobble inverted filter layer, the other ends of the waterdrain pipes are placed on the outer side of the retaining wall, and the water drain pipes are used for draining water on the inner side of the retaining wall. The graded broken stone sub-base layer is placed under a pavement structure layer and on the water-permeable material and the backfilling subgrade. The invention further provides a construction method of the slanting backward type road shoulder wall back drainage system. Through the slanting backward type road shoulder wall back drainage system and the construction method, the water on the back of the subgrade retaining wall can be drained, and the stability of the subgrade and the road shoulder retaining wall is ensured.
Owner:WISDRI ENG & RES INC LTD +1
Explosion-proof type magnetic valve for mine
ActiveCN101881350AReduce stressRelieve water pressureOperating means/releasing devices for valvesEqualizing valvesPistonPneumatic pressure
The invention discloses an explosion-proof type magnetic valve for a mine, belonging to the field of magnetic valve and comprising an explosion-proof shell and the like, wherein the upper end and the lower end of the explosion-proof shell are connected with a pressure pad and an explosion-proof cover, the inner cavity of the explosion-proof shell is provided with a non-magnetic tube which passes through a solenoid coil, the lower part of the non-magnetic tube is provided with a movable iron core, the non-magnetic tube and the movable iron core pass through the explosion-proof cover of which the lower end is provided with a valve body, the left end and the right end of the valve body are respectively provided with a water inlet and a water outlet, a piston is arranged between the water inlet and the water outlet of the valve body, and a compression spring is arranged between the upper part of the inner cavity of the valve body and the piston. The invention utilizes the air pressure difference generated by the upper surface and the lower surface of the piston to push the piston to alleviate opening and closing movement; because of being made of stainless material, the piston bears large water pressure; because the inner cavity of the lower valve body limits the piston, the piston has favorable centring property and accurate closing and opening position; and because a sealed pad is arranged between the piston and the inner cavity of the lower valve body, the piston does not directly rub with the inner cavity of the lower valve body, thereby prolonging the service life of the magnetic valve.
Owner:HUAINAN RUNCHENG TECH
Mobile air conditioner
PendingCN108870552AExtended use timeReduce downtimeCondensate preventionLighting and heating apparatusWater circulationEngineering
The invention provides a mobile air conditioner. The mobile air conditioner comprises an upper water receiving disc, a middle water receiving disc and a chassis structure, the chassis structure comprises a water absorption area, a water tank area, a water splashing area and a water level control area, and further comprises water retaining ribs used for isolating the water absorption area from thewater tank area and a convergence part which is positioned between the water splashing area and the water tank area and is close to a convergence port of the water splashing area, wherein the water splashing wheel is arranged in the convergence part. According to the mobile air conditioner, the cooperation among the upper water receiving disc, the middle water receiving disc and a chassis is adopted, therefore, water correspondingly in the upper water receiving disc, the middle water receiving disc and the chassis in the air conditioner can be reasonably distributed, the water is preferentially supplied to the water splashing area, moreover, the water in the upper layer and the water in the middle layer can be directly supplied to the water splashing area, the water circulation step is reduced, and the water splashing efficiency is improved.
Owner:AUX AIR CONDITIONING LTD BY SHARE LTD
Retaining wall and bricks thereof
InactiveCN105155576APlay the role of secondary reinforcementEnsure safety and stabilityArtificial islandsCoastlines protectionBrickGeogrid
The invention relates to a retaining wall and bricks thereof. The main body of a brick is a block, the top surface of the block is an ornamental facade with an arc-shaped structure and concave-convex stripes, planting holes are formed in the block, a back edge positioning boss is convexly arranged on a wide side wall surface on one side of the bottom surface of the block, and concave-convex complementary and interlocked structures are arranged on narrow side wall surfaces of two opposite sides of the bottom surface of the block. The bricks are sequentially and transversely laminated upwards side by side to form the retaining wall, one brick is arranged above two side-by-side bricks, a corner formed between the wide side wall surface and the bottom surface of the brick is in contact with the back edge positioning boss of the two side-by-side bricks to form a staggered interlocked structure, and the two side-by-side bricks are self-embedded, interlocked and fixed through the concave-convex complementary and interlocked structures on the block; and geogrids are paved between two adjacent layers of self-embedded and interlocked bricks, and the top of the uppermost layer of self-embedded and interlocked bricks is pressed by C20 concrete. The retaining wall has double advantages of fast construction of a gravity retaining wall and flexible structure of a reinforced soil retaining wall.
Owner:YANCHENG RONGLI NEW BUILDING MATERIAL
Time-based optimization of water supply controller
InactiveCN102269978AGuaranteed water supply needsRelieve water pressureProgramme control in sequence/logic controllersOptimal controlEngineering
The invention is a special controller with the ability to optimize water supply by time periods; it is composed of a power supply board, a perpetual calendar, a central controller, an I / O board, a data storage card, a time division optimization board and a communication board. In Figure 1, the power board (1), the perpetual calendar setting board (2), the central controller (3), the I / O board (4), the expansion board (5), the time-based optimization calculation board (6), the data storage board (7), touch screen (8), optimization calculation connection board (9). The power supply board (1) provides working power for the controller; the perpetual calendar setting board (2) is connected with the time-based optimization calculation board (6) and the central control board (3) by the optimization calculation connection board (9) to achieve data analysis and calculation The main work of the data storage board (7) is to store the data collected by the central control board (3) according to the principle of optimal control by time division according to the specified format; the touch screen (8) mainly completes the human-computer interaction function of the controller. .
Owner:SHANGHAI PANDA MACHINEGRP CO LTD
Water valve, refrigerator water dispenser and refrigerator thereof
InactiveCN103388684AImprove sealingPrevent disengagementLift valveEngineeringRefrigerated temperature
The invention discloses a water valve, a refrigerator water dispenser and a refrigerator thereof. The water valve comprises a valve body, a water taking mandrel and a pilot valve, wherein the valve body comprises an inner shell and an outer shell; an inner runner is formed in the inner shell; the water taking mandrel comprises a mandrel body and a mandrel seat; the mandrel body extends into the inner runner and is movably connected with the pilot valve; a sealing piece sleeved on the mandrel body is clamped at the bottom of the pilot valve; a regularly upright conical main sealing surface is formed at the bottom of the sealing piece; and a sealing connection opening matched with the regularly upright conical main sealing surface is arranged on the inner shell and is used for disconnecting the water valve when the mandrel body is pressed and connecting the inner shell and the sealing piece in a sealing manner when the mandrel body is reset. The refrigerator water dispenser comprises the water valve disclosed by the invention. The refrigerator comprises the refrigerator water dispenser disclosed by the invention. The water valve is high in sealing property, and during the long-time use, separation of the mandrel body from the pilot valve is avoided.
Owner:TAIZHOU LG ELECTRONICS REFRIGERATOR CO LTD
Peak regulation control method and device based on water use curve
PendingCN112508374AWith automatic adjustment abilityLiquid level flexible controlDigital data information retrievalResourcesWater useEnvironmental engineering
The invention relates to a peak regulation control method based on a water use curve, and the method comprises the following steps: obtaining historical water data, and generating a water consumptionmode curve through a water curve model; generating a water tank liquid level target curve through a liquid level curve model based on the water consumption mode curve; adjusting the opening degree ofthe adjusting valve in different time periods by combining the actual liquid level data of the water tank, and adjusting the opening degree of the adjusting valve to continuously approach to the target liquid level according to the check difference between the stage target of the water tank liquid level target curve and the actual liquid level data. The invention further relates to a peak regulation control device based on the water use curve. The regulation and storage capacity of the water tank can be fully utilized, and water for residents is guaranteed.
Owner:熊猫智慧水务有限公司
Self-cleaning sink of plastic extruder
The invention relates to plastic production equipment, in particular to a self-cleaning water tank of a plastic extruder. The cooling water tank of the existing plastic extruder has the following defects that: the water feeding pressure is not stable; the impurities can not be cleaned conveniently; the product appearance can be easily polluted; and the water in the tank can easily overflow. In the technical scheme of the invention, a water feeding pipe (4) and a water discharging pipe (7) are respectively on the lower parts of both ends of a water tank (8); and a flat plate (9) and a meshed plate (10) are arranged on the water feeding pipe (4). A filter screen cover (11) is arranged on the water discharging pipe (7), and a meshed plate (12) is arranged on the filter screen cover (11). The upper part of the side face of the water tank (8) is provided with an overflow hole (6), an overflow water tank (1) is arranged below the overflow hole (6); an impurity collecting plate (13) is arranged in the overflow tank, and a sponge (14) is arranged on the impurity collecting plate (13). The invention has the advantages that: the water feeding flow is stable, the impurities in the water tank can be easily cleaned, the cleanness of cooling water can be maintained, and the water in the tank can not overflow into the environment.
Owner:SHANGHAI KINGFA SCI & TECH
Civil water saving device
The invention discloses a civilian water-saving device, which comprises a washbasin, a lower position waste water tank communicated with the washbasin, and a higher position waste water tank. A forced water replenishing device communicated with the lower position waste water tank is arranged on the higher position waste water tank, and an automatic water replenishing device and a water outlet device are also arranged on the higher position waste water tank. The forced water replenishing device comprises a lower position ball float switch installed on the lower position waste water tank and a higher position ball float switch installed on the higher position waste water tank, a communicating water pipe is arranged between the lower position waste water tank and the higher position waste water tank, a water pump is arranged on the communicating water pipe, and the water pump, the lower position ball float switch and the higher position ball float switch are connected in series with a power supply through a supply line. The device has the advantages of simple structure and convenient installation and operation, and can enable the waste water of the washbasin to be utilized again, to flush a toilet or a mop, thereby saving the water resource and relieving the water supplying pressure.
Owner:张作言
Water injection manifold pressure relief vent
InactiveUS20070151253A1Reduce volumeLower the volumeEngine fuctionsGas turbine plantsGas turbinesEngineering
Owner:GENERAL ELECTRIC CO
An anti-water hammer stop valve
ActiveCN110671502BReduce generationAvoid damageSpindle sealingsValve members for absorbing fluid energyMarine engineeringStructural engineering
The invention discloses an anti-water hammer stop valve, which comprises a valve body. The two ends of the valve body are respectively provided with a water inlet and a water outlet. The water inlet and the water outlet are connected through the inner cavity of the valve body. There is a communication port between the inner cavity of the valve body, a valve cover is provided at the upper end of the valve body, a valve stem is provided on the valve cover, the upper end of the valve stem is connected with the hand wheel, and the lower end passes through the valve cover and extends To the inner cavity of the valve, a valve disc is provided at the lower end of the valve stem, and an anti-water hammer device is provided between the valve body and the valve disc, wherein the valve disc is a hollow structure, and its inner cavity is composed of a sliding hole and an inlet Water hole structure; the anti-water hammer device includes an anti-water hammer sliding piece and a compression spring, the anti-water hammer sliding piece is arranged in the sliding hole, one end of the compression spring acts on the bottom of the valve stem, and the other end acts on the bottom of the valve stem. On the top of the anti-water hammer sliding part; the compression spring has a pre-compression amount, and always keeps the anti-water hammer sliding part close to the water inlet hole. The globe valve has the function of anti-water hammer.
Owner:GUANGZHOU UNIVERSITY
Anti-blocking device for river channel pipeline
InactiveCN111734916AAvoid cloggingReduce damagePipe elementsStationary filtering element filtersRiver routingElectric machinery
The invention discloses an anti-blocking device for a river channel pipeline, and relates to the technical field of pipeline equipment. The device mainly aims to solve the problem that an existing river channel pipeline is prone to blocking when being drained. The anti-blocking device for the river pipeline comprises an anti-blocking pipe and a water pipe, a motor is fixedly arranged at the left end of the upper side of the anti-blocking pipe, an output end of the motor is fixedly connected with a rotating shaft, and a stirring rotary cutter is fixedly arranged on the shaft wall, located inside the anti-blocking pipe, of the rotating shaft; the lower side of the anti-blocking pipe is fixedly provided with a connecting pipe, and the lower end of the connecting pipe is fixedly connected witha sewage collecting pipe; first fixed blocks are respectively and fixedly arranged on the outer sides of two sealing doors, and second connecting blocks are respectively and fixedly arranged on the inner walls of the left side and the right side of the connecting pipe; springs are fixedly connected between the corresponding first fixed blocks and the corresponding second connecting blocks; and anair cylinder is fixedly installed on the bottom surface of the interior of the sewage collecting pipe, a movable rod is fixedly connected to a movable end of the air cylinder, and a first hook is fixedly installed at the upper end of the movable rod.
Owner:广东茂东实业发展有限公司
Automatic backwashing filtering device for agricultural irrigation
InactiveCN109224606AAvoid damageCompact structureFiltration separationInlet channelAgricultural irrigation
The invention discloses an automatic backwashing filtering device for agricultural irrigation. The automatic backwashing filtering device comprises a backwashing filter, wherein a portable type movable flange disc is arranged at one side of the backwashing filter; a backwashing filter side edge fixing plate is arranged at the other side of the backwashing filter; a backwashing filter water inlet pipe is arranged at one side of the top of the backwashing filter; the backwashing filter water inlet pipe is provided with a backwashing filter water inlet; a filter water inlet channel is arranged inthe backwashing filter water inlet pipe below the backwashing filter water inlet; a backwashing filter water outlet pipe is arranged at the other side of the bottom of the backwashing filter. The automatic backwashing filtering device is compact in structure and convenient to use and has practical functions; an isolation pressure-division plate and a water pressure decompression disc are arrangedin a conventional backwashing filtering device and water pressure in the backwashing filter can be alleviated; inner elements are prevented from being damaged and the service life of the automatic backwashing filtering device is prolonged; the post-period maintenance cost is reduced, the working cost is reduced and the working income is indirectly improved.
Owner:温彦宏
Reinforced concrete pipe culvert dredging method
ActiveCN113373999AAvoid enteringReduce adverse effectsMechanical machines/dredgersStationary filtering element filtersSoil scienceReinforced concrete
The invention discloses a reinforced concrete pipe culvert dredging method. The method comprises the following steps of S1, sealing off the upstream end of a to-be-dredged pipe culvert, and guiding upstream flowing water into the downstream of the to-be-dredged pipe culvert through a temporary pipeline; S2, adding one or more of the following materials into the to-be-dredged pipe culvert: a sludge curing agent, sandy soil and soil; S3, uniformly stirring and mixing the materials added in the step S2 with the sludge by adopting a stirring device; and S4, excavating the mixed sludge stirred in the step S3 by adopting an excavator, and pouring the excavated sludge into a loading box of a sludge loading vehicle. The upstream of the to-be-dredged pipe culvert is sealed off, so that the upstream flowing water is prevented from entering the to-be-dredged pipe culvert, and the adverse effect of the flowing water on subsequent sludge fixation can be effectively prevented; and meanwhile, the upstream flowing water is introduced into the downstream of the to-be-dredged pipe culvert through the pipeline, the upstream water accumulation pressure can be effectively relieved, and normal upstream flowing water is guaranteed.
Owner:CREGC ARCHITECTURAL & CONSTR ENG CO LTD
Water Injection Manifold Pressure Relief Vent
InactiveUS20110023974A1Lower the volumeRelieve water pressureEngine fuctionsFluid dynamicsCombustorEngineering
Owner:GENERAL ELECTRIC CO
Treatment device for recycling waste water
InactiveCN102372372ATake advantage ofCutting costsMultistage water/sewage treatmentToiletDomestic waste
The invention discloses a treatment device for recycling waste water and relates to equipment for treating and utilizing domestic waste water of families, public houses, hotels, stations, airports, steamships and toilets as well as waste water generated by washing vehicles. The treatment device comprises a purified water conveying pipeline (2), a regenerated water storage system (3), a connecting pipeline (4), a miniature electric submersible pump (5), a waste water receiving, treating and purifying system (6), a filter (7) and purifying equipment (9), wherein the filter (can be pumped for cleaning) (7) and the purifying equipment (9) are arranged in the waste water receiving, treating and purifying system (6); the filter (7) which can be pumped for cleaning and is used for receiving other waste water is provided with a waste water receiving hole (8) connected with the waste water conveying pipe; the miniature electric submersible pump (5) is arranged at the bottom in the waste water receiving, treating and purifying system (6); the lower end of the connecting pipeline (4) is connected with the miniature electric submersible pump (5); the upper end of the connecting pipeline (4) is connected with the regenerated water storage system (3); and the regenerated water storage system (3) is connected with the purified water conveying pipeline (2). According to the treatment device disclosed by the invention, the waste of water resources is avoided and the domestic waste water can be recycled.
Owner:赵月 +1
Rainwater collecting and utilizing device for high-rise buildings
InactiveCN107558534AIncrease profitEasy to collectGeneral water supply conservationService pipe systemsWater storageActivated carbon
The invention discloses a rainwater collecting and utilizing device for high-rise buildings. The device includes a device body, water collecting holes are formed in the periphery of the top part of the device body, water conveying pipes are connected with the bottoms of the water collecting holes, a main water pipe is arranged at one ends of the water conveying pipes, the main water pipe is made of PVC material, the water conveying pipes are connected with the main water pipe closely, a water storage box is arranged at the bottom of the main water pipe, a large hole filter net is arranged on one side of the water storage box, a small hole filter net is arranged on the side face of the large hole filter net, the small hole filter net is movably connected with the water storage box, a firstfilter box is formed by the large hole filter net and the small hole filter net, a copper oxide adsorption layer is arranged on the side face of the small hole filter net, a second filter box is formed by the small hole filter net and the copper oxide adsorption layer, a replaceable design is adopted by the copper oxide adsorption layer, and an activated carbon adsorption layer is arranged on theside face of the copper oxide adsorption layer. The rainwater collecting and utilizing device is used for the high-rise buildings, the device is convenient to use, high in utilization rate, and good in water quality, and the water supply pressure of high-rise buildings is effectively alleviated.
Owner:刘庆芳
Middle-layer water receiving disc and mobile air conditioner with water receiving disc
PendingCN108507143AImprove drainageEasy dischargeCondensate preventionLighting and heating apparatusCofferdamEngineering
The invention provides a middle-layer water receiving disc and a mobile air conditioner with the water receiving disc. The middle-layer water receiving disc comprises a middle partition plate, the middle partition plate is obliquely arranged and provided with supporting ribs, water falling holes and a water drainage nozzle, the supporting ribs are provided with at least one flow guiding hole, theflow guiding holes are used for guiding condensate water to the water drainage nozzle, the water drainage nozzle is used for draining condensate water guided from the flow guiding holes, and the waterfalling holes are provided with cofferdams. According to the middle-layer water receiving disc, the middle partition plate is provided with the water falling holes and the water drainage nozzle simultaneously, the water falling holes have multiple modes, therefore, the water drainage function of the middle-layer water receiving disc is greatly improved, the probability that the condensate water is accumulated on the middle-layer water receiving disc is reduced, and the mobile air conditioner with the middle-layer water receiving disc has the good working performance.
Owner:AUX AIR CONDITIONING LTD BY SHARE LTD
Natural gas residual pressure cold energy utilization system
InactiveCN110159378ARelieve water pressureReduce the temperatureReciprocating combination enginesSeawater treatmentElectricityEngineering
The invention relates to the technical field of natural gas pressure regulation, in particular to a natural gas residual pressure cold energy utilization system. A first pressure regulating device anda first seawater desalting device are involved in the application, wherein the first pressure regulating device comprises a first pressure stabilizing valve, a first precooler, a temperature regulator, a second pressure stabilizing valve, a first expander, a first generator and a first heat exchanger; and the first seawater desalting device comprises a filter, a first crystallizer and a first icestorage device. According to the natural gas residual pressure cold energy utilization system, the residual pressure released in the natural gas pressure regulating process can be utilized for generating electricity, and the released cold energy can carry out seawater desalination.
Owner:GUANGDONG OCEAN UNIVERSITY
Explosion-proof type magnetic valve for mine
ActiveCN101881350BReduce stressRelieve water pressureOperating means/releasing devices for valvesEqualizing valvesMagnetic valveEngineering
Owner:HUAINAN RUNCHENG TECH
Mobile air conditioner
ActiveCN109237630APlay a guiding rolePrevent backflowMechanical apparatusCondensate preventionEngineeringControl zone
The invention provides a mobile air conditioner, comprising a middle water pan and a chassis structure. The chassis structure comprises a water absorption zone, a water tank zone, a water fetching zone, a water level control zone, and also comprises a water retaining rib for isolating the water absorption zone from the water tank zone, and a convergence portion, arranged between the water fetchingzone and the water tank zone and being close to a convergence port of the water fetching zone. A water fetching wheel is disposed on the convergence portion. Cooperation of the middle water pan and the chassis can improve the water fetching efficiency of the water fetching wheel, and a water guiding path of the water fetching zone is reasonably planned.
Owner:AUX AIR CONDITIONING LTD BY SHARE LTD
Double-inlet and double-outlet plate heat exchanger and seawater desalting device
PendingCN109029029AHigh trafficReduce flow rateHeat exchanger casingsStationary plate conduit assembliesPlate heat exchangerDesalination
The invention discloses a double-inlet and double-outlet plate heat exchanger and a seawater desalting device. The double-inlet and double-outlet plate heat exchanger comprises a front end plate, a heat dissipating net, a brazing flux layer, a back end plate, a first heat exchange plate, a flow control valve, a temperature sensor and a third water inlet; the front end plate is provided with a first water inlet; the flow control valve is arranged in the first water inlet; a second water inlet is formed beside the first water inlet; the third water inlet is formed beside the second water inlet;and fastening bolts are arranged on two sides of the third water inlet. The double-inlet and double-outlet plate heat exchanger has the following beneficial effects: the original heat exchange effectcan be improved; the seawater flow is increased; the seawater flowing speed is lowered; the pipe scouring is reduced; the equipment service life is prolonged; seawater can be fed from double sides ofthe front and back ends, so that the joint flowing speed of the plate heat exchanger of a seawater system is reduced, and the heat exchange effect is improved; as one more joint is provided, the totalseawater flow is increased under the same pressure; and through double-inlet and double-outlet, the pipe circulating capacity is improved, the joint flowing speed is reduced, and the wear is reduced.
Owner:恒力石化(大连)炼化有限公司
Power system power generation structure optimization and task allocation method and system
ActiveCN111371118AEmission reductionRelieve water pressureSingle network parallel feeding arrangementsElectric power transmissionElectric power system
The invention relates to the field of power system optimization, and particularly discloses a power system power generation structure optimization and task allocation method and system. The method comprises the following steps: analyzing related virtual water consumption and carbon emission in a power generation process by using a life cycle evaluation method; obtaining related virtual water coefficients and carbon emission coefficients of different power generation types; calculating a specific water pressure index value of each province, and dividing water crisis levels of each province; under existing conditions, through adjustment and allocation of a power generation structure and a power generation task, relieving regional water pressure to the maximum extent from a power system, andreducing carbon emission related to power generation; converting the target into a mathematical expression, and constructing a multi-target optimization model; and obtaining the optimized power generation capacity of different power generation forms of each province, and the corresponding virtual water consumption and carbon emission. According to the method, the actual installed capacity, the number of hours used by each power generation device and the power transmission level are considered, and power production and planning are more environmentally friendly and optimized under the existingconditions.
Owner:GUANGXI UNIV
Pressure equalizing device for dental cleaning equipment
PendingCN107212944ARelieve water pressureRealize physical pressure equalizationDentistrySpraying apparatusEngineeringMechanical engineering
The invention belongs to the technical field of medical appliance manufacture, and discloses a pressure equalizing device for dental cleaning equipment, the pressure equalizing device includes a water supply port 11, an upper cover 18, a pressure equalizing tube, a pressure equalizing plate 13 and a water supply pipe 14, the water supply port 11 is connected with a pressure equalizing casing 23, the pressure equalizing tube 12, the pressure equalizing plate 13 and the water supply pipe 14 are arranged in the pressure equalizing casing 23, a cavity formed by the pressure equalizing casing 23 and the upper cover 18 is divided into a first-stage pressure equalizing chamber 22 and a second-stage pressure equalizing chamber 20 by the pressure equalizing plate 13, the pressure equalizing tube 12 is communicated with the first-stage pressure equalizing chamber 22 by a plurality of flow guiding ports 21 arranged at the bottom of the first-stage pressure equalizing chamber 22, the apertures of the flow guiding ports 21 are different in size, the aperture of the flow guiding port nearest to the water supply port 11 is smallest, the apertures of the flow guiding ports are in turn increased, and with the aid of fluid characteristics, water supply pressure at the water supply port and the end of the pressure equalizing tube can be effectively reduced, and the physical pressure equalizing of a cleaning fluid can be realized.
Owner:JIANGSU HUAXI MEDICAL DEVICES
A River Flood Control Structure
The invention belongs to the technical field of river flood-fighting control tools, and particularly relates to a river flood-fighting control structure. The river flood-fighting control structure comprises a dam body, wherein the dam body consists of a plurality of flow division passages; a plurality of partition plates are arranged in the flow division passages; the flow division passages are divided into a plurality of tributary passages by the partition plates; a plurality of nicks are formed in the sidewalls of the tributary passages; the nicks in the same tributary passage are distributed to form a horizontal line; the nicks in different tributary passages are distributed to form oblique lines; the horizontal lines form included angles of 15 to 60 degrees with the oblique lines; through holes penetrating through the adjacent tributary passages are formed in the partition plates. The river flood-fighting control structure has the beneficial effects that silt and foreign materials can be well cleaned, larger foreign materials can be removed, and the river flood-fighting control structure is difficult to block.
Owner:项方岩
Polyethylene spiral corrugated pipe reinforced by steel strip and process for manufacturing polyethylene spiral corrugated pipe
The invention discloses a polyethylene spiral corrugated pipe reinforced by a steel strip. The polyethylene spiral corrugated pipe comprises a pipeline body. The pipeline body comprises two circular plates and a straight plate, the two circular plates are arranged on two sides of the straight plate, a sound absorption reinforcement layer is arranged between the two circular plates, stretch-resistant reinforcement layers are arranged on the outer wall of the pipeline body, a sealing layer is arranged on the outer walls of the stretch-resistant reinforcement layers and the sound absorption reinforcement layer, reinforcement filled layers are arranged between the sealing layer and the stretch-resistant reinforcement layers, and the steel strip is arranged outside the sealing layer. The polyethylene spiral corrugated pipe has the advantages that the single pipeline body is processed to obtain two pipelines, the two pipelines are parallel to each other, accordingly, the problem of easinessin rolling and loosening due to a single pipeline can be solved, water can be distributed, and single-road drainage or water supply pressures can be relieved; one of the pipelines still can be used even when the other pipeline is blocked, accordingly, the time can be gained for maintenance and pollution discharge, the integral pipelines are high in strength and can resist high and low temperatures, and noise can be reduced.
Owner:ANHUI HUAQI PIPE
Reverse osmosis membrane filter element of water purifier
InactiveCN112390398AReduce filtration efficiencyRelieve water pressureTreatment involving filtrationMultistage water/sewage treatmentReverse osmosisEnvironmental engineering
The invention relates to the technical field of reverse osmosis, and discloses a reverse osmosis membrane filter element of a water purifier. The reverse osmosis membrane filter element comprises a shell, a filtering assembly, a left cover body and a right cover body; the left cover body is fixedly connected to the left end of the shell, the right cover body is fixedly connected to the right end of the shell, a filtering assembly is located in the shell, the filtering assembly comprises a central pipe and a reverse osmosis membrane, and the central pipe is of a hollow tubular structure; the reverse osmosis membrane is wound on the outer wall of the central pipe, a stock solution water inlet is formed in the left cover body, a concentrated solution water outlet is formed in the right coverbody, the left end of the central pipe is sealed, and the right end of the central pipe penetrates through the right cover body and extends to the outside. The reverse osmosis filter element of the water purifier can adapt to operation under high water pressure for a long time, so that the service life of the filter element is prolonged.
Owner:董浩
Sponge city water storage system
InactiveCN112411668ASolve the problem that it is difficult to effectively guarantee the quality of reused waterSimple structureFatty/oily/floating substances removal devicesSewerage structuresWater useWater storage
The invention discloses a sponge city water storage system. The sponge city water storage system comprises a municipal water storage pool, a resident water storage pool and a reclaimed water storage pool, wherein the municipal water storage pool and the resident water storage pool communicate with the reclaimed water storage pool through pipelines respectively; a first partition plate and a firstcavity are arranged in the municipal water storage pool; a first through hole for water flow to pass through is formed in the first partition plate; the first cavity is divided into a precipitation cavity and a disinfection cavity by the first partition plate according to functions; municipal raw water sequentially flows through the precipitation cavity, the first through hole, the disinfection cavity and the reclaimed water storage pool to form a municipal raw water treatment path; a second partition plate and a second cavity are arranged in the resident water storage pool; a second through hole for water flow to pass through is formed in the second partition plate; the second cavity is divided into a treatment cavity and a water storage cavity by the second partition plate according to functions; and resident sewage sequentially flows through the water storage cavity, the second through hole, the treatment cavity and the reclaimed water storage pool to form a resident sewage treatment path. The sponge city water storage system achieves recycling of the municipal raw water and the resident sewage, and meanwhile guarantees the quality of reuse water.
Owner:广州理工学院
Municipal ground cooling, maintaining and watering equipment
InactiveCN112832095AAvoid damageWon't pushRoad cleaningRoads maintainenceWater resourcesStructural engineering
The invention relates to the technical field of urban governance, and discloses municipal ground cooling, maintaining and watering equipment which comprises a water spraying pipe, an extrusion toothed bar is arranged in the water spraying pipe, a screw rod is rotatably connected to the right side of the extrusion toothed bar, a rotating wheel is fixedly connected to the right side of the screw rod, and a cutting rod is arranged on the side face of the rotating wheel in a penetrating mode. A water spraying plate is arranged on the right side of the rotating wheel, the side face of a screw rod is in meshed connection with a meshing pipe, the upper portion of a bearing wheel is rotationally connected with a water retaining wheel through a belt, an expansion plate is fixedly connected to the bottom of a clamping rod, a limiting rod is arranged on the side face of the clamping rod, and a transition wheel is in meshed connection with the side face of the limiting rod. According to the municipal ground cooling, maintaining and watering equipment, through cooperative use of an extrusion toothed bar and a screw rod, the effect that when river and lake water is used as a water resource, water plants are prevented from blocking a water spraying opening, and the water spraying equipment is prevented from being damaged is achieved.
Owner:胡园园
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