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293 results about "Water district" patented technology

A water district is a special district given the task of supplying water and sewer needs to a community. This term is commonly used in the United States.

River bank slope protection for cofferdam construction and construction method thereof

The invention relates to the technical field of river bank protection, in particular to a river bank slope protection for cofferdam construction and a construction method thereof. S2, construction of a near-water area structure; s3, construction of a far water area structure; s4, ecological enhancement; triple optimization of river bank protection is achieved through dynamic water level monitoring and modular design, a double-layer reinforced concrete and elastic sealant structure is adopted in a near-water area, the compressive strength is improved by 20%, the crack width is smaller than or equal to 0.2 mm, and material waste is reduced by 15% in cooperation with dynamic width adjustment (+ / -2 m); the mold bag concrete slope protection is combined with an atomization spraying system, the anti-scouring capacity reaches 5 m / (m.s), the vegetation coverage rate is larger than or equal to 80% within 3 months, and the water and soil loss rate is reduced by 70%; the modular honeycomb structure inflation assembly efficiency is improved by 40%, the transportation cost is reduced by 50%, the distributed sensors achieve structure displacement / pressure three-level early warning, the operation and maintenance cost is reduced by 70%, the overall service life is prolonged by more than 5 years, and an ecological-engineering collaborative protection system is formed.
Owner:JIANGSU LEIWEI CONSTRUCT ENG CO LTD

Fluorine-containing wastewater treatment device

The utility model provides a fluorine-containing wastewater treatment device, which relates to the field of fluorine-containing wastewater treatment, and comprises a box body and an air flotation device, the box body comprises a reaction zone, a dissolved air water zone, a separation zone, a clear water zone and a slag storage zone which are sequentially communicated, the top of the separation zone is provided with a slag scraping mechanism, and the bottom of the separation zone is provided with a settling zone; and the air flotation device comprises an air dissolving water pump, an air compressor and an air dissolving tank which are arranged outside the box body. The air flotation device for fluorine-containing wastewater treatment has the beneficial effects that after fluorine-containing wastewater enters the box body, most of flocs float to the water surface through the dissolved air water and are scraped into the slag storage area through the slag scraping mechanism, and a small part of flocs enter the sludge discharge hopper and are pumped away at regular intervals through the sludge pump, so that the treatment efficiency is greatly improved, the investment and the occupied area are saved, and the cost is reduced. The problems that the fluorine-containing wastewater treatment efficiency is low and the occupied space is large are solved.
Owner:SHANDONG ZHANGQIU BLOWER

Method and device for calculating water saving amount of demister of wet desulphurization system, electronic equipment and storage medium

The invention relates to the technical field of control, in particular to a method and device for calculating the water saving amount of a demister of a wet desulfurization system, electronic equipment and a storage medium, the method is applied to a control unit in the wet desulfurization system, and a spraying area, a water collecting area and a demisting area are sequentially arranged in a desulfurization tower of the wet desulfurization system in the flue gas flowing direction. And at least one demister is arranged in the demisting area. According to the method for calculating the water-saving amount of the demister of the wet desulphurization system, the average water-saving amount is calculated by dynamically calculating the number of iterations and the single-time water-saving amount of cyclic utilization of flushing water in combination with the structural characteristics of a spraying area, a water collecting area and a demisting area in a desulphurization tower and the operation logic of a cyclic flushing water system, and the water-saving amount of the demister of the wet desulphurization system is calculated. Accurate quantification of the water saving amount and system optimization control are achieved, the water saving effect is quantified, data support is provided for system design, and meanwhile the water balance reliability of the desulfurization system is improved.
Owner:HUADIAN ELECTRIC POWER SCI INST CO LTD

Extruder for cable processing

The utility model relates to the technical field of extruders, and provides an extruder for cable processing, which comprises a shell, one end of the shell is provided with an extrusion device, the other end of the shell is provided with a winding device, and the top end of the extrusion device is fixedly connected with a feeding end; the shell comprises a water tank, a vertical plate and a bottom plate, the water tank is fixedly connected to one end of the vertical plate, the bottom plate is fixedly connected to the lower portion of the water tank, and the water tank is provided with a movable water area. The extrusion device comprises two material pushing shafts, a wire core, a first rotating shaft, a second rotating shaft, a filter screen cover, a wriggling handle, a hose and a jacking block, the two material pushing shafts are rotationally connected to the inner wall of the feeding end, and the wire core is rotationally connected to the axis of the inner wall of the feeding end. According to the utility model, the labor intensity of workers is reduced, and the task load of the workers is reduced.
Owner:FUHUA CABLE CO LTD

Intelligent data analysis system for drainage management

The invention relates to the technical field of drainage management, in particular to an intelligent data analysis system for drainage management, which is characterized in that full-chain data from a source, a permeable area, underground water and a tail end are comprehensively acquired through a drainage acquisition module, and a comprehensive water level capable of reflecting the overall load state of the system is calculated through a weighted fusion formula; according to the evaluation method based on the curve form similarity, a comprehensive water level curve is drawn, and the comprehensive water level curve is compared with an expected drainage curve, so that the system can objectively give a conclusion that drainage management is qualified or unqualified in a rainfall event. Compared with single-point over-limit alarm, the dynamic response capability of the system in the time dimension can be reflected more comprehensively, management evaluation is standardized and scientific, and intelligent, accurate and robust self-calibration of core capability parameters of the drainage system is achieved by establishing a dynamic proportional adjustment mechanism based on a preset integral difference value.
Owner:MINXI VOCATIONAL & TECHN COLLEGE

Pet feeding and drinking all-in-one machine

The invention relates to the field of pet supplies, solves the problems that when an existing feeder and an existing water feeder are separated, use is inconvenient, and the production cost is high, and provides a pet feeding and water drinking all-in-one machine which comprises the feeder, a water fountain and a controller. The feeder is electrically connected and / or detachably and physically connected with the water dispenser; the feeder comprises a driving device, a food distributor and a residual food amount detection device, the driving device is connected with the food distributor, and the food distributor and the residual food amount detection device are arranged in a food storage area of the feeder; the water fountain comprises a water pump, a filtering part and a water level detection device, the water pump and the water level detection device are arranged in a water storage area of the water fountain, and the filtering part is arranged on a water flow path between the water storage area and a water containing area. According to the pet feeding and drinking all-in-one machine provided by the invention, the feeder and the water dispenser can be conveniently disassembled and assembled, so that the equipment can integrate feeding and water feeding functions.
Owner:CHENGDU TOPSON TECH CO LTD

Multiphase flow micro-nano air flotation ultrafiltration device

The utility model relates to the field of water treatment equipment, in particular to a multiphase flow micro-nano air floatation ultrafiltration device which comprises a water treatment box body, an equipment area is arranged at the bottom of the water treatment box body, and a water inlet area, a flocculation area, a water distribution area, a contact area, an air floatation area and a separation area are sequentially arranged at the top of the water treatment box body from left to right. A multi-phase flow micro-nano bubble generation system is arranged in the equipment area, a bubble release pipe is fixedly connected to the bottom of the air floatation area, the multi-phase flow micro-nano bubble generation system is connected with the air floatation area through the bubble release pipe, a slag collection box is fixedly arranged on one side of the water treatment box body and communicates with the separation area, a plurality of ultrafiltration membrane boxes are fixedly arranged in the separation area, and the ultrafiltration membrane boxes are communicated with the air floatation area. A slag scraping mechanism is fixedly arranged at the top of the separation area, a driving mechanism is fixedly arranged at the top of the slag collecting box, the driving mechanism controls the slag scraping mechanism to operate, and the device has the advantages of being good in air flotation effect, simple in structure and small in occupied area.
Owner:SHANGHAI RUNYUAN WATER SCI & TECH CO LTD

Grouting and water plugging method for working face of vertical shaft

The invention discloses a grouting and water plugging method for a working face of a vertical shaft, and belongs to the technical field of water disaster treatment, prevention and control of an ultra-deep vertical shaft of a water-rich rock stratum. The method comprises the following steps: firstly, establishing a conceptual model of a storage water area-main water guide channel and pore and fracture surrounding rock coexistence area-pore and fracture surrounding rock area; according to the space relative position relation between the shaft and the main water guide channel, if the shaft intersects with the main water guide channel, pressure grouting is directly carried out, if the shaft is separated from the main water guide channel, according to the space relative position relation between the drill hole and the main water guide channel, intersection or separation working conditions are abstracted, and direct pressure grouting or hydraulic fracturing and grouting are respectively carried out. According to the method, on the basis of the main water guide channel theory and the flow conservation principle of a water storage area-main water guide channel and hole fracture surrounding rock coexistence area-hole fracture surrounding rock area, a working face grouting plugging operation area is expanded to the near-field range of the shaft from the limited range around the shaft, and an innovative solution is provided for deep well working face water disaster prevention and control.
Owner:CHINA COAL CONSTR GRP CO LTD

Chemical high-concentration organic wastewater treatment device

The invention discloses a chemical high-concentration organic wastewater treatment device, and relates to the technical field of wastewater treatment, the chemical high-concentration organic wastewater treatment device comprises an EIC reactor main body, the EIC reactor main body is internally provided with a water distribution zone, a reaction zone, a separation zone and a biogas collection zone from bottom to top, and the water distribution zone is internally provided with a lower spiral water distribution group and an upper spiral water distribution group from bottom to top; the supporting column, the lower spiral water distribution group and the upper spiral water distribution group are jointly provided with a water distribution mechanism, and an opening and closing mechanism for controlling the lower spiral water distribution group to deflect is arranged on the inner bottom wall of the EIC reactor main body. The lower spiral water distribution group and the upper spiral water distribution group are matched in a guiding manner, so that inlet water can be uniformly and stably distributed, and the situation that the contact time of wastewater and sludge is relatively short and the wastewater and the sludge cannot fully participate in a reaction due to overlarge impact load, overhigh ascending velocity and rushing out of the sludge is avoided; through blocking of the fan-shaped blades of the lower spiral water distribution group and the upper spiral water distribution group and the V-shaped dirt baffle, the situation that a water outlet head is blocked by sinking sludge can be reduced.
Owner:JINING KANGSHENG RAINBOW BIOTECHNOLOGY CO LTD

Delay valve core and delay drain valve and sanitary ware using the same

The application belongs to the technical field of drain valves, and discloses a time-delay valve core, a time-delay drain valve applying the same and a sanitary ware, wherein the time-delay valve core comprises: a body provided with a water inlet area, a water control flow channel and a water passing area, the water control flow channel being communicated between the water inlet area and the water passing area; a first adjusting member rotatably installed on the body, the water control flow channel being configured to change the water discharge flow to the water passing area with the rotation of the first adjusting member; and according to the water discharge requirement of a product, the water discharge flow of the water control flow channel is adjusted by using the first adjusting member, so that the adjustment of multiple water efficiency is realized, and the time-delay valve core is suitable for different water products. The whole structure is simple, the adjustment is convenient, and the applicability is wide.
Owner:GUANGDONG LEHUA HOME FURNISHING CO LTD +3

Single-channel water diversion structure that can be quickly constructed

The present invention relates to the technical field of water interception and drainage structures, and discloses a single-channel water interception and drainage structure that can be quickly constructed, including a water inlet dam, an intermediate dam, a water outlet dam and at least one drainage pipe arranged in a water channel. Along the flow direction of water in the water channel, the water inlet dam, the intermediate dam and the water outlet dam are arranged in sequence and at intervals, and the water channel has a water inlet area, a water isolation area and a water stop area; the drainage pipe has a water inlet end and a drainage end, and the drainage pipe passes through the water inlet dam, the intermediate dam and the water outlet dam in sequence, and the water inlet end extends into the water inlet area, the drainage pipe extends to the outside of the water channel, and the drainage end extends to the drainage area, the water in the water inlet area enters the drainage pipe from the water inlet end, is led to the drainage area by the drainage pipe, and is discharged into the drainage area by the drainage end; the water inlet end has a water inlet, and the water inlet is provided with a filter layer formed by weaving metal wire strips.
Owner:CAS (SHENZHEN) SPECIAL ENG CO LTD +2

Sedimentation tank capable of preventing inclined pipe from being blocked

The utility model relates to a sedimentation tank capable of avoiding blockage of an inclined tube, which comprises a shell, a vertical plate is arranged on one side of the shell and divides the shell into a water inlet area and a sedimentation area, a through groove is arranged below the vertical plate and communicated with the water inlet area and the sedimentation area, a dust accumulation groove is arranged at the bottom of the sedimentation area, the inclined tube is arranged in the sedimentation area, and the inclined tube is arranged in the through groove. An aeration pipe is arranged below the inclined pipe, the aeration pipe comprises a main pipe and side pipes arranged on the two sides of the main pipe in pairs, and the pair of side pipes are connected with each other; the structure of the aeration pipe is improved, the aeration area is increased, and the stability of the aeration pipe is ensured.
Owner:JIANGSU SHUNWEI ENVIRONMENTAL ENG CO LTD

A double-decked dishwasher

The utility model relates to a dish-washing machine technical field especially relates to a double residue separation's dish-washing machine, including located dish-washing machine cleaning pool side's residue discharge box and set up in dish-washing machine cleaning pool bottom's sewage pipe, residue discharge box with sewage pipe communicate, residue discharge box includes residue pool and water storage pool, residue pool and water storage pool in top communicate, sewage pipe with residue pool in bottom communicate, residue pool side is equipped with residue discharge port and first residue separation spare, water storage pool includes water receiving area and is located in the circulating water area of water receiving area bottom, is equipped with second residue separation spare between water receiving area and circulating water area, and the circulating water collection pipe that communicates has in circulating water area, the circulating water collection pipe is used for collecting the water in circulating water area to dish-washing machine cleaning pool inside. The residue discharge structure of dish-washing machine of the application can effectively discharge residue, prevent pipe blockage, and can also reduce water cost simultaneously.
Owner:GUANGDONG DIVOS ELECTRIC CO LTD

Combined adjustable anaerobic tank type water distribution device

The utility model relates to the field of sewage treatment, in particular to a combined adjustable anaerobic tank type water distribution device, which can effectively solve the problem of non-uniform anaerobic water distribution and water distribution, and mainly comprises a buffer tank, a water distribution plate, a guide plate, a water distribution channel, an adjusting weir, a water distribution area and a water distribution pipe. Flow guide plates are arranged on the two sides of the middle buffer tank, lifting type water distribution plates are arranged on the outer sides of the flow guide plates, the two water distribution channels are connected with the two ends of the buffer tanks respectively, adjusting weirs are arranged on the two sides of each water distribution channel respectively, the water distribution channels are divided into a plurality of water distribution areas, and a water distribution pipe is arranged on each water distribution channel. An anaerobic reaction device is generally large in area, uniform water distribution and water distribution are the key to efficient operation of an anaerobic process, and the utility model provides a combined adjustable anaerobic tank type water distribution device which effectively solves the problem that the anaerobic reaction device is uneven in water distribution and water distribution for a user.
Owner:LIAONING BOCHUANG ENVIRONMENTAL PROTECTION TECH CO LTD

Water distribution system, cooling tower and integrated cooling station

The invention relates to a water distribution system, a cooling tower and an integrated cooling station, the water distribution system comprises a water distribution device, the water distribution device is provided with a disc body (1) and a flow guide part (2), the flow guide part (2) is arranged on the bottom surface of the disc body (1), extends in a first direction and is configured to divide the disc body (1) into a water distribution area (11) and an adjusting area (12) in a second direction, and a plurality of spraying holes (110) are formed in the bottom surface of the water distribution area (11); gaps are formed between the flow guide pieces (2) and the two ends of the disc body (1); the water supply device (3) is arranged at one end of the tray body (1) in the first direction and is configured to provide water flow; the energy consumption device (4) is arranged at one end, close to the water supply device (3), of the disc body (1), is communicated with the water supply device (3) and is provided with a first energy consumption part arranged in a water flow path and a second energy consumption part forming an angle with the first energy consumption part, and the first energy consumption part is provided with a first water outlet hole for discharging water towards the water distribution area; and the second energy consumption part is provided with a second water outlet hole for discharging water towards the adjusting area.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Enhanced denitrification device for microbial electrolysis constructed wetland

The utility model relates to an enhanced denitrification device for a microbial electrolysis constructed wetland. The enhanced denitrification device comprises a constructed wetland system, an electrolysis system and an intelligent control system, the constructed wetland system comprises a water distribution area and a constructed wetland reaction area; a water inlet device is arranged in the water distribution area, and the water distribution area is communicated with the constructed wetland reaction area through the water inlet device; wherein an electrolysis system and an intelligent control system are also arranged in the constructed wetland reaction zone. The device has the advantages that the removal of pollutants, mainly nitrogen, of the constructed wetland is enhanced by mainly utilizing external voltage in the electrolysis system 2, and the water inlet flow, the external voltage and the distance between the electrodes can be adjusted according to the intelligent control system 3, so that the surface hydraulic load of the constructed wetland and the current intensity in the wetland are controlled; and the two systems cooperate to enhance the removal of pollutants, especially nitrogen, of the constructed wetland, so that the pollutants in water are efficiently removed, the water quality of discharged wastewater is improved, and the environmental water quality is improved.
Owner:SHANGHAI WATERWAY ENG DESIGN & CONSULTING CO LTD

Multifunctional energy-saving system integrating water lifting and wastewater concentration

The utility model discloses a multifunctional energy-saving system integrating water lifting and wastewater concentration, which comprises a multifunctional tower, a demisting area, a heat exchange area, a gas distribution and water return area and a wet desulphurization area are sequentially arranged in the multifunctional tower from top to bottom, and an exhaust port is arranged at the top of the multifunctional tower; the gas distribution and water return area is used for uniformly distributing desulfurized wet flue gas and collecting moisture condensed from the wet flue gas; a wastewater inlet of the wastewater circulating tank is connected with a high-chlorine industrial wastewater source, and a wastewater outlet of the wastewater circulating tank is connected with a wastewater inlet of the heat exchange area; a water inlet of the waste water cooling tower is connected with a waste water outlet of the heat exchange area, a water outlet of the waste water cooling tower is connected with a waste water circulating tank, and stirrers are arranged in the waste water circulating tank and the waste water circulating tank; the water inlet end of the recycling water tank is connected with the gas distribution and water return area, and the recycling water tank is used for storing condensate water collected by the gas distribution and water return area. According to the utility model, the comprehensive utilization of water and flue gas waste heat is realized, and the production cost is reduced while the energy consumption is saved.
Owner:BEIJING SPC ENVIRONMENT PROTECTION TECH

Multifunctional landscaping landscape device capable of collecting herbs for brewing

The utility model belongs to the technical field of scenic spot landscaping products, particularly relates to a multifunctional landscaping device capable of collecting herbs for brewing, and provides the following scheme aiming at the problems that an existing landscaping device cannot be fully integrated into the scenic spot environment and cannot meet the diversified requirements of viewers for the functions of the landscaping device. Comprising a transparent glass cover, a supporting stand column, green plant vegetation, a concave water receiving area, a hot water faucet and a cleaning water faucet, the green plant vegetation is cultivated in the transparent glass cover, people can clearly observe natural medicinal plants, the layering sense is increased in the design, the feeling closer to the nature is achieved, and the ecological environment is protected. And a hot water faucet and a cleaning water faucet are connected to the inner concave wall of the inner concave water receiving area, so that the device has a water drinking function and a hand washing function.
Owner:MENGCAO ECOLOGICAL ENVIRONMENT (GRP) CO LTD

Waterfront area water and soil loss non-point source pollution detection device and detection method

The invention relates to the technical field of pollution detection devices, in particular to a waterfront water and soil loss non-point source pollution detection device and method.The waterfront water and soil loss non-point source pollution detection device comprises a water and soil loss monitor, the water and soil loss monitor is installed on a supporting plate, the supporting plate is in lap joint with the top of a ditch supporting plate, and wire bunching arms are rotationally connected to the two sides of the supporting plate; the surface of the bunching arm is provided with a bunching groove, the connecting end of the water and soil loss monitor is connected with a wire, one end of the wire is provided with a sensor probe, and the wire and the sensor probe both extend into the bunching groove; the device has the advantages that the bunching arms rotationally connected to the two sides of the supporting plate are ingenious in design, the bunching arms can swing downwards to the bottom of the ditch supporting plate, and a sensor probe installed at one end of a wire can extend into a ditch to detect a flowing water source. Meanwhile, the bunching groove formed in the surface of the bunching arm provides an ordered placement space for the wire and the sensor probe, and the wire bunching arm is fixed through the cooperation of the bunching groove and the hand-twisted screw, so that the wire and the sensor probe are effectively prevented from swinging under the impact of water flow.
Owner:NANCHANG INST OF TECH

Chromatographic column head with fine hole fluid distribution cover

The utility model provides a chromatographic column head with a pore fluid distribution cover, which comprises a column head bottom plate for storing and discharging liquid and a column head top plate covering the top of the column head bottom plate and used for injecting liquid and exhausting, and a water injection pipe for injecting water into the column head bottom plate is arranged in the center of the top of the column head top plate. A groove used for storing liquid is formed in the column head bottom plate, a plurality of liquid drainage holes communicated with the outside are formed in the bottom of the groove in an arrayed mode, a liquid distribution disc structure with the same projection area as the groove is arranged in the groove, and the liquid distribution disc structure is in an arc shape. The circle center of the liquid distribution disc structure and the axis of the water injection pipe are collinear, the liquid distribution disc structure comprises a water avoiding area arranged under the water injection pipe and a liquid distribution area arranged around the water avoiding area, and the area of the water avoiding area is larger than or equal to the projection area of an inner hole of the water injection pipe. A plurality of liquid separation holes are formed in the liquid separation area around the water avoiding area.
Owner:BAILINKE BIOLOGICAL DETECTION (JIANGSU) CO LTD

Novel nitrogen-reducing electro-adsorption treatment device

The utility model discloses a novel nitrogen reduction electro-adsorption treatment device which comprises a plurality of adsorption modules, each adsorption module comprises a shell, PP clamping grooves are formed in the two sides of the shell, polar plates are placed in the shell through the PP clamping grooves, two first partition plates are installed in the shell, and the two first partition plates are arranged in the shell. The interior of the shell is divided into an adsorption area located in the middle and main concentrated water areas distributed on the two sides through a first partition plate. The device disclosed by the utility model has the advantages that the device is suitable for treating the ionic high-TN-concentration enterprise production wastewater under a mixed wastewater condition, and the cost is low and the efficiency is high.
Owner:ZHEJIANG ZHONGSHI ENVIRONMENTAL RESOURCES CO LTD

Metering and discharging device for sewage treatment

The utility model discloses a metering tank, belongs to the technical field of sewage treatment equipment, and particularly relates to a metering and discharging device for sewage treatment, which comprises a tank body, a metering tank and a discharging tank, and the tank body comprises a water inlet area, a metering area, a buffer area and a water outlet area; the buffer area is communicated with the metering area; an energy dissipation retaining wall is arranged in the water inlet area; according to the metering tank, the energy dissipation retaining wall is arranged in the water inlet area of the metering tank and can reduce the pressure when sewage enters the metering tank, so that metering failure caused by overlarge water inlet flow is prevented, meanwhile, the buffer area is arranged on one side, the overall flow of the metering tank is further limited, and the metering efficiency is improved. Therefore, the flow of the fluid can be accurately measured, and powerful support is provided for reasonable distribution of water resources, environmental protection, industrial process control and the like; by monitoring the flow data in real time, the use and distribution strategy of water resources can be adjusted in time, and the working efficiency and the resource utilization rate are improved.
Owner:JIANGSU XINGCHEN ENVIRONMENTAL PROTECTION GROUP +1

Clear water tank and seawater desalination system

The present application relates to the field of seawater desalination treatment, and in particular to a clean water tank and a seawater desalination treatment system, comprising: a tank body; an upper baffle, vertically fixed to the upper side of the tank body; a movable lower baffle, parallel to the upper baffle and vertically arranged on the lower side of the tank body, dividing the tank body into a water storage area and a blending area, wherein the lower baffle moves away from the upper baffle to form a gap between the lower baffle and the upper baffle, and the lower baffle moves toward the upper baffle to close the gap between the lower baffle and the upper baffle; a driving component, arranged in the tank body, for driving the lower baffle to move. The present application has the effect of achieving the connection and isolation between the water storage area and the acid-base blending area in the clean water tank, ensuring that when the acid-base blending area of ​​the clean water tank is clean, the water storage area of ​​the clean water tank can still stably inflow water.
Owner:QINGDAO BCTA DESALINATION CO LTD

Water-saving device

This water-saving device features a flow rate adjustment function that allows for flow rate settings across a wide range due to its simple structure. [Solution] A water-saving device according to one aspect of the present invention is a water-saving device connected to a water supply device and adjusting the discharge flow rate, comprising a water supply unit, a water-saving adjustment unit and a discharge unit, wherein the water-saving adjustment unit comprises a water-passing member having a plurality of water-passing holes and a water-controlling member disposed opposite to the water-passing member, wherein the water-passing member alternately comprises n water-passing regions and n water-stopping regions, wherein the water-passing regions include a first water-passing region and a second water-passing region having a second water-passing hole whose radial opening width changes continuously along the circumferential direction, wherein the water-passing member and the water-controlling member are rotatably movable relative to each other and can be set as at least m types of flow rate setting patterns, and the flow rate discharged from the discharge unit is adjusted according to the setting of the flow rate setting pattern.
Owner:EARTH&WATER

Biological trickling filter tank filled with ceramsite filter material

The utility model discloses a bio-trickling filter tank filled with ceramsite filter materials, which comprises a tank body, and the tank body internally comprises a water distribution area, a filler area and a water production area which are separated by a jacking layer and a bearing layer and are communicated with one another from top to bottom; a water inlet pipe and a water outlet pipe of the tank body are respectively communicated with the top and the bottom of the tank body; a self-rotating water distributor connected with the water inlet pipe is mounted in the water distribution area and is used for uniformly distributing sewage entering through the water inlet pipe onto the filler area; the filler area is filled with a ceramsite filter material for microbial biofilm formation and is used for purifying sewage uniformly distributed in the filler area; the water producing area is used for collecting clear water purified by the filler area, and the collected clear water is discharged through a water outlet pipe. The biological trickling filtration tank adopts an integrated structure, the civil engineering cost can be reduced, the ceramsite filter material is light in weight and low in price, the sewage treatment effect is good, rural domestic sewage can be conveniently and movably treated, and the possibility that equipment is idle is reduced.
Owner:NANJING GAOKE ENVIRONMENTAL TECH CO LTD

Desktop type multifunctional water purifying and drinking machine

The utility model relates to a desktop water purifying and drinking machine, and is applied to the field of water purifying and drinking machines. The interior of the water purifying and drinking machine is divided into a filter element area, a water tank area, a refrigeration area, a water piece area and a water receiving area by a main body rack, and the filter element area is located in the middle area of the main body rack; the water tank area is arranged at the upper part of the rear side of the filter element module; the refrigeration area and the water piece area are arranged at the lower part of the rear side of the filter element module; a heating body is further arranged on one side of the filter element module in the width direction; the water receiving area is arranged in front of the filter element module and comprises a first water receiving area and a tea boiling area which are arranged side by side in the width direction of the filter element module, a water outlet nozzle is arranged in the water receiving area, and water outlets of the refrigeration module and the heating body are communicated to the water outlet nozzle. The desktop type multifunctional water purifying and drinking machine has the functions of making normal-temperature water, hot water and cold water and boiling tea at the same time, all the components are arranged in a centralized and compact mode, miniaturization and integration of the whole machine can be achieved easily, the positions of all the operation areas accord with use habits of users, and the operation convenience of the users can be improved easily.
Owner:KEMFLO (NANJING) ENVIRONMENTAL TECHNOLOGY CO LTD +2

Water flow testing device for water-cooled magnet coil upper seal type

PendingCN122306172AStream flowWater flow
This invention discloses a top-sealed water flow rate testing device for a water-cooled magnet coil, comprising a container assembly and a water-blocking assembly. The water-blocking assembly, used to block the coil under test, is disposed inside the container assembly, dividing the interior of the container assembly into a high-pressure water zone and a low-pressure water zone. The container assembly is provided with an inlet and an outlet, the inlet communicating with the high-pressure water zone and the outlet communicating with the low-pressure water zone. The water-blocking assembly includes a sealing cap and a sealing ring. The sealing cap is disposed on top of the central through-hole of the coil under test, and the outer side of the sealing ring is sealed to the inner wall of the container assembly, while the inner side is sealed to the coil under test. The advantage of this invention is that, through the setting of the water-blocking assembly, the inlet is connected to an external cooling water supply system. The flow rate entering the high-pressure water zone from the inlet can be measured by measuring the water flow rate entering the inlet using an electromagnetic flow meter, thereby realizing the testing of the water flow rate of a single coil under test.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

A thick-film instant-heating water dispenser

The present invention relates to a thick-film rapid-heating water dispenser, which comprises a water storage tank and a heating container arranged from top to bottom; the water storage tank supplies water to the heating container quantitatively through a water supply device; the heating container is provided with a heating device for heating the water body in the inner cavity of the heating container and a water outlet device for discharging the water body in the inner cavity of the heating container; the heating device is connected to a control module; a water receiving area is arranged below the heating container, and the water outlet device corresponds to the water receiving area. This thick-film rapid-heating water dispenser has the characteristics of simple and reasonable structure, low manufacturing cost, low energy consumption, quantitative water outlet, health and hygiene, etc.
Owner:GUANDDONG JIBAO ELECTRICAL APPLIANCE TECH CO LTD

A method, system, device and medium for identifying water influx during water gas reservoir well production

ActiveCN119933671BSurveyWater flowHydrology
The application provides a water invasion amount identification method, system, device and medium in the production process of a water and gas reservoir well, comprising the following steps: establishing a corresponding equivalent water invasion model based on the relative position relationship between the water area and the gas area of the reservoir well; establishing a water invasion material balance model according to the stage division of the equivalent water invasion model and the pressure measurement time points in previous years; iteratively calculating the water invasion material balance model based on the principle that the stage water area pressure linearly decreases according to the stage water invasion amount; and evaluating the water body drainage line and guiding the drainage gas production of the reservoir well based on the iteratively calculated water invasion material balance model. The application selects the equivalent water invasion model corresponding to different well production geological models, establishes an iterative algorithm meeting the gas and water flow material balance equation, obtains well historical pressure parameters and reservoir parameters, calculates the current water invasion amount, and is further used for evaluating the water body and guiding the drainage gas production of the gas field well. The application can simplify parameters, avoid the situation that the crack water invasion model in the prior art cannot accurately depict and has difficulty in multi-parameter representation.
Owner:PETROCHINA CO LTD

Energy-saving and environment-friendly sewage treatment system

The present application belongs to sewage treatment technical field, especially to a kind of energy-saving and environment-friendly sewage treatment system, including sewage pool, the partition plate is arranged between water storage area and filter area, the coarse grid machine of oblique arrangement is provided in the filter area, the water-collecting pool of trapezoidal shape design is provided below the filter area, rotating assembly is provided in the water-collecting pool corresponding with the water outlet end below the coarse grid machine, the transmission assembly connected with rotating assembly is provided in the partition bin, petal valve is provided on the partition plate corresponding with the coarse grid machine, box is provided in the partition bin close to the partition plate, drive mechanism for driving power to control petal valve free opening and closing for receiving transmission assembly is provided in the box.The present application is reasonable in design, simple in structure and realizes the recovery of kinetic energy in the process of sewage treatment, and feedback to sewage treatment system, to achieve the purpose of cost reduction and efficiency improvement, in line with the production concept of energy saving and environmental protection, meet the use demand.
Owner:LIAOCHENG VOCATIONAL & TECHN COLLEGE +1