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47 results about "Balance water" patented technology

Active dynamic balancing device based on tower crane

The utility model provides an active dynamic balancing device based on a tower crane. The active dynamic balancing device comprises a tower body, a working arm and a balancing arm, wherein the working arm and the balancing arm are fixedly mounted on two sides of the top of the tower body respectively; a water storage tank and a balance water tank are fixedly mounted on the balance arm, and the bottom of the water storage tank is communicated with the balance water tank through a connecting pipeline; and a control valve group for controlling water distribution between the water storage tank and the balance water tank is arranged on the connecting pipeline. According to the utility model, the balance weight of the balance arm is designed into the capacity-adjustable water tank, the working moment is balanced by utilizing the moment generated by the dead weight of the water body, the volume of the balanced water body is adjusted in real time according to requirements, so that the moment is changed, and the quantity of the water body distributed in the water storage tank and the balanced water tank is adjusted in real time according to the working moment. And the balance moment is synchronously equal to the working moment in real time.
Owner:陈先凯

Multi-stage pump balance water pipe structure with intelligent detection and self-adaptive adjustment functions

The utility model relates to a multi-stage pump balance water pipe structure with intelligent detection and self-adaptive adjustment functions. The balance water pipe structure comprises a high-pressure side flange, a balance water pipe, a pressure guide pipe, an instrument valve, a pressure gauge and a low-pressure side flange. The two ends of the balance water pipe are fixed to the high-pressure side flange and the low-pressure side flange respectively, the high-pressure side flange is connected with the high-pressure side of the multi-stage pump, and the low-pressure side flange is connected with the low-pressure side of the multi-stage pump. A circular ring and a pressure guide pipe are arranged on the balance water pipe body; an instrument valve is installed on the pressure guiding pipe, and a pressure gauge is installed on the instrument valve. The circular ring is arranged at the special position of the balance water pipe, and the circular ring can be automatically adjusted when the pump expands with heat and contracts with cold. When the pump is heated to expand, the circular ring can expand outwards, and certain space compensation is provided for extension of the pump. According to the utility model, the pressure value of liquid in the balance water pipe can be read in real time. When the pressure value exceeds a normal range, an alarm signal can be triggered in time.
Owner:SHANGHAI KAIQUAN PUMP IND GROUP

Gravity self-balancing uniform distribution system and cooling tower

The embodiment of the application provides a gravity self-balancing uniform water distribution system, which comprises first, second and third stage gravity self-balancing water distribution pipelines. Each second stage gravity self-balancing water distribution pipeline is connected to the first stage gravity self-balancing water distribution pipeline, and each third stage gravity self-balancing water distribution pipeline is connected to the second stage gravity self-balancing water distribution pipeline. The circulating water of the cooling tower is automatically depressurized after entering the first stage gravity self-balancing water distribution pipeline, and flows into each second stage gravity self-balancing water distribution pipeline on the basis of the self-weight of the water to realize double uniform water distribution. The water level height of each second stage gravity self-balancing water distribution pipeline is consistent, and the water inlet flows to the third stage gravity self-balancing water distribution pipeline again. The pressure at each water nozzle directly or indirectly connected to the third stage gravity self-balancing water distribution pipeline is consistent, and the water outlet of each water nozzle and the spraying area are substantially the same, so that uniform water distribution is realized, the water inlet is not affected by the water pressure, and the cooling efficiency of the cooling tower is significantly improved.
Owner:广州市宏明空调科技有限公司

Self-adaptive flow adjusting device for communication port of water treatment sedimentation tank

The invention belongs to the technical field of sewage treatment, and particularly relates to a water treatment sedimentation tank communication port self-adaptive flow adjusting device which comprises a tank body and a partition wall arranged in the tank body, and a communication hole is formed in the side wall of the partition wall. The valve body frame is fixedly arranged in the communicating hole, and a water body channel is formed in the valve body frame; and the flow adjusting mechanism is arranged in the water body channel, and the flow adjusting mechanism is used for changing the overflowing area of the water body channel. The water level difference of the two sides of the partition wall is sensed through the pressure sensing mechanism, the linkage transmission mechanism drives the flow adjusting mechanism to dynamically change the overflowing area of the water channel, self-adaptive flow adjustment is achieved, flow fluctuation can be coped, the water level can be balanced, and the sedimentation time and efficiency are guaranteed; meanwhile, the internal pressure sensing diaphragm and the filter screen are convenient to clean or replace, and the maintenance difficulty is reduced; in addition, the cost is low, the manual operation and maintenance burden is reduced, and the problem of high failure rate of an electric or pneumatic device is avoided.
Owner:JIANGSU NENGDA WIRE PROD CO LTD

Ice-pure water dispenser water discharge system

ActiveCN224539985UIce waterWater discharge
This utility model relates to the field of water purifier technology. It addresses the problem in existing ice purifiers where melted ice water is discharged into an ice tank for recycling, but the open structure of the ice tank allows bacteria to grow and contaminate the water source, leading to further contamination of the internal water supply. This utility model includes a balance tank, an evaporator, an ice storage tank, and a water receiving box. The balance tank and evaporator are connected, and all three are connected to the water receiving box. A room-temperature water valve is installed on the pipes connecting the balance tank, evaporator, and water receiving box. This utility model is used for wastewater discharge from ice purifiers.
Owner:NINGBO HIDROTEK CO LTD

A device for testing the water permeability of a retroreflector

ActiveCN224435670UContact padGear drive
This invention provides a device for testing the water permeability of a retroreflector, comprising: a main body of the testing device and a retroreflector. A control host is mounted on the upper part of the main body of the testing device, and a test water tank is mounted on the main body of the testing device. Extension plates are mounted on both sides of the test water tank, and lifting components are mounted on the extension plates to adjust the retroreflector to enter the water for water permeability testing. A base is fixedly connected to the lifting components, and a sealed installation chamber is mounted on the top of the base. The lifting components of this invention balance water pressure through a group of permeable holes to ensure a stable testing environment; the first and second bevel gears drive the clamping part to rotate 180°, enabling water permeability testing of each group of retroreflectors from both sides without disassembly; the first and second clamping plates self-adaptively clamp the contact pad, providing anti-slip and anti-damage surface functions, and the overall design balances efficiency, compatibility, and reliability.
Owner:KUNSHAN DIYE OPTICAL TECH CO LTD

Kettle

The present invention provides a kettle capable of achieving both waterstop and ease of attachment and detachment of a lid. A kettle is provided with: a container main body which has a bottomed cylindrical shape with an upward opening and is capable of accommodating a beverage; and a flow path forming member that can be attached to and detached from the opening of the container main body and has a flow path through which the beverage in the container main body passes and is discharged to the outside. The flow path is always in an open state through which the beverage can pass. The container main body has protrusions (24, 25) which are arranged in the vertical direction and have an annular convex shape on the inner peripheral surface of the opening. The flow path forming member is provided with a flow path forming main body section attached to the interior of the opening section. The flow path forming main body part is provided with: a sealing part which has a circular ring shape along the inner circumferential surface of the opening part and is in contact with the convex part (24) so that the beverage does not pass through a part other than the flow path; and a retaining part which is positioned on the upper side of the sealing part, has a circular ring shape along the inner circumferential surface of the opening part, and is hooked to the convex part (25) in order to keep the flow path forming member in a retaining state.
Owner:THERMOS CHINA HOUSEWARES +1

Tank-type stacked pressure variable frequency secondary water supply equipment

This utility model discloses a tank-type stacked pressure-free variable frequency secondary water supply device, relating to the technical field of water supply equipment. It includes a flow stabilizing tank, a pump assembly, a pressure stabilizing tank, and a detection assembly. The flow stabilizing tank is connected to the equipment's inlet pipe. The pump assembly is connected to the outlet pipe of the flow stabilizing tank and includes multiple pump units, each independently frequency-controlled, pumping water to the outlet pipe. The pressure stabilizing tank is connected to the outlet pipe and used to balance water pressure fluctuations. The pressure stabilizing tank includes a shell and multiple air chambers, each with a different internal pressure. The detection assembly, located on the outlet pipe, includes a pressure sensor and a pressure switch. The pressure sensor detects water pressure changes on the outlet pipe, and the pressure switch controls the start and stop of the pump units. The technical solution provided by this utility model aims to solve the problem of insufficient capacity of traditional large-capacity single-chamber tanks to cope with high-frequency pressure fluctuations, ensuring a stable water supply.
Owner:WUHAN SISHUI TECH CO LTD

Packaging box (secret balance of water and milk dress + sample)

ActiveCN309874854SBalance waterFood science
1. Name of the designed product: packing box (secret balance water and milk formal + sample). 2. Use of the designed product: for packing box. 3. Design points of the designed product: in the pattern. 4. Picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design.
Owner:SHANGHAI LANZHI MEIYA COSMETIC CO LTD

Land platform and test method for large-flow high-lift water pump performance test

The invention relates to a land platform for testing the performance of a high-flow high-lift water pump and a test method. A land platform for testing the performance of a large-flow high-lift water pump comprises a first water tank and a second water tank, and the first water tank and the second water tank are communicated through at least two communicating pipes. The first water tank is connected with the water supply mother pipe through the water supply pipe group; a water outlet is formed in the first water tank and connected with a water inlet of a water pump to be tested through a first connecting pipe, a water outlet of the water pump to be tested is connected with a collecting pipe through a second connecting pipe, a plurality of water return branch pipes are installed on the collecting pipe, a pressure stabilizing pipe is installed at the end of each water return branch pipe, and the end of each pressure stabilizing pipe extends into the second water tank. By arranging the first water tank, the second water tank, the collecting pipe, the pressure stabilizing pipe and the communicating pipe, double-water-tank dynamic balance water circulation can be achieved, multi-stage buffering can be carried out, the accuracy of a test result is effectively improved, equipment loss is reduced, and operation safety is improved.
Owner:WUXI BRACH 703TH RES INST OF CHINA SHIPBUILDING IND CORP

Underwater vision inspection robot integrated with suspension balance stabilizing device

The utility model discloses an underwater vision inspection robot integrated with a suspension balance stabilizing device, which relates to the technical field of inspection robots and comprises a machine body and a balance component, a main water tank is mounted on the inner side of the machine body, and the balance component for improving stability is arranged at the upper end of the main water tank. And the balance assembly comprises a power box, a mounting groove, a first telescopic corrugated pipe, a balance water tank and a water passing pipe, the mounting groove is formed in the power box, the outer side of the power box is connected with the first telescopic corrugated pipe, the end of the first telescopic corrugated pipe is connected with the balance water tank, and the water passing pipe is mounted at the lower end of the side edge of the balance water tank. According to the underwater vision inspection robot integrated with the suspension balance stabilizing device, movement of the balance water tanks is controlled through stretching and retracting of the electric push rods in the first telescopic corrugated pipe, the annularly-distributed balance water tanks convey different water amounts in the water passing pipe, suspension balance of the robot body is assisted by the four balance water tanks, and the use stability of the robot body is improved.
Owner:JIANGSU YENISEI INTELLIGENT TECH CO LTD

Balanced pressure water tank and car washing device with balanced water pressure function

PendingCN122402445ABalance waterMechanics
A car wash device with a water pressure balancing function includes a body, a water tank, and a washing head housing. A pump and part of the delivery pipeline in the cleaning fluid delivery mechanism are installed inside the body. The water tank is a pressure-balancing tank, snapped onto the upper front side of the body, and includes a tank body and a pressure release mechanism located within the tank body. The pressure release mechanism includes a water-air separation component and a release component connected to the outside of the tank body. The washing head housing extends outward from the front of the body to engage with a wiping roller. Part of the delivery pipeline in the cleaning fluid delivery mechanism, and a section of the pipeline passing through the wiping roller, are installed inside the washing head housing. This car wash device can effectively and slowly release the pressure generated inside the water tank during vehicle washing, thus balancing the pressure inside and outside the tank.
Owner:WUHAN WATER MAGIC CUBE INTELLIGENT TECH CO LTD

Continuous spray cooling device for cold continuous rolling front warehouse steel coil

The invention relates to a cold continuous rolling front warehouse steel coil uninterrupted spray cooling device which comprises a steel coil front warehouse, a water return pit and a water storage tank, the steel coil front warehouse is connected with the water return pit through a return pipe (4), the water pit (2) is used for collecting spray water permeated and returned by the steel coil warehouse, and the water storage tank (3) is used for storing water and balancing the liquid level of the water pit. The electric control box (20) is used for remotely controlling spraying and performing interlocking control on the two pumps according to the liquid level of the water pit; according to the technical scheme, hot rolled steel coil spraying rapid cooling and spraying water circulation and repeated utilization are guaranteed, the problem that continuous spraying cooling cannot be achieved due to the fact that front warehouse spraying water is low in permeation backflow speed is particularly solved, meanwhile, remote control spraying starting and stopping in a crown block cab are achieved, and the field operation labor intensity is reduced.
Owner:SHANGHAI MEISHAN IRON & STEEL CO LTD

A cleaning machine

The present application relates to a kind of cleaning machines, including tank and pump water mechanism, tank bottom is provided with the concave backwater area, the top of backwater area is covered with filter plate, pump water mechanism is used to pump the water of backwater area to filter plate, the bottom of backwater area is partially concave and forms adjacent arrangement and intercommunication sediment collection area, flow guide area, sediment collection basket is accommodated in sediment collection area, top exposes in filter plate, pump water mechanism is installed at flow guide area, flow guide area is provided with heating element surrounded in the pump cavity of pump water mechanism.The present application sets up heating element in flow guide area, does not additionally occupy the volume of backwater area, can reduce backwater area volume, save water and electricity;The present application arranges heating element in the pump cavity of pump water mechanism, here water flow suction is maximum, is favorable to improve capacity utilization, water is heated quickly, improves heating efficiency, since heating element is located in the path of water flow, is favorable to balance water temperature, to improve cleaning effect.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Hot tank temperature balancing waterway, method, waterway structure and water treatment equipment

The embodiment of the invention discloses a hot tank temperature balancing water path, method, water path structure and water treatment equipment, and the hot tank temperature balancing water path comprises a hot tank, a temperature sensor module, a first sub-water path and a second sub-water path; the hot tank is divided into an upper layer area, a middle layer area and a lower layer area in the vertical direction. The temperature sensor module is connected with an upper-layer area of the hot tank and is used for acquiring temperature information of the upper-layer area; the water inlet end of the first sub-waterway is communicated with the lower-layer area of the hot tank, and the water outlet end of the first sub-waterway is communicated with the second sub-waterway; the water inlet end of the second sub-waterway is communicated with the upper-layer area of the hot tank, and the water outlet end of the second sub-waterway is communicated with the lower-layer area of the hot tank. The invention has the beneficial technical effects that the temperature difference in the tank is balanced, and the stability of the outlet water temperature is ensured.
Owner:GUANGDONG LIZI TECH CO LTD

Component structure with guiding and flow limiting functions

According to the component structure with the guiding and flow limiting functions, a supporting seat in a valve body is provided with a guiding valve mechanism composed of a flow guiding nut, a water sealing pad, a kinetic energy membrane, a guide hole pressing screw rod and a pressing spring, and a plurality of flow guiding grooves are evenly formed in the circumferential side of an annular flange of the flow guiding nut; a plurality of guide rib columns are further uniformly distributed on the lower side of the annular flange, and the flow guide grooves can further buffer instant impact pressure generated when fluid flows through the circular water sealing opening from the water inlet cavity when the flow guide nut moves downwards to close the circular water sealing opening, so that the flow guide nut descends to achieve the further slow descending effect; therefore, the occurrence of a water hammer effect is greatly slowed down or balanced; meanwhile, in the moving process of the flow guide nut, the guide rib columns can be kept movably connected with the inner wall of the circular water sealing opening in a matched mode, the auxiliary guiding effect on the movement of the flow guide nut is achieved, shaking caused by the fact that the flow guide nut shifts in the axial movement direction can be prevented, and the movement stability of the flow guide nut is guaranteed.
Owner:ZHONGSHAN JUPITER TECHNOLOGY CO LTD

Hydraulic engineering gate opening and closing adjusting device

The invention relates to the technical field of gate opening and closing, in particular to a hydraulic engineering gate opening and closing adjusting device which comprises an adjusting module, the adjusting module is provided with a gate module, the gate module comprises a frame, a gate plate is slidably connected into the frame, and an adjusting lead screw is arranged at the top of the gate plate; an adjusting mechanism is arranged at the top of the mounting rod, and the mounting rod is rotationally connected with a screwing seat in screwing connection with the adjusting lead screw. According to the device, an inclined frame is fixedly connected through a fixing plate, an adjusting lead screw can rotate relative to an L-shaped frame, the L-shaped frame drives the fixing plate and the inclined frame to move upwards, two connecting frames are both separated from a baffle, the L-shaped frame can drive the baffle to move upwards, and therefore the baffle is separated from a U-shaped base, and at the moment, under the action of water flow, the baffle can rotate on a connecting block; and the upward moving distance of the L-shaped frame is relatively short, so that the water level can be balanced in time.
Owner:FUJIAN WATER RESOURCES & HYDROPOWER ENG BUREAU CO LTD

Alarm device for full water test of pool

The utility model provides an alarm device for a pool full water test, belongs to the technical field of pool full water test monitoring, and aims to solve the problems that monitoring equipment is displaced and loosened due to lack of a stable mounting structure adaptive to the side wall of a pool, a water level monitoring means is limited and cannot meet the real-time, accurate and omnibearing monitoring requirement, and common water level sensing lag errors are large. Comprising a mounting base; the installation base is fixedly installed on the side wall of a pool, the top of the installation base is rotationally connected with an electric control monitoring probe, a water level balancing rod is slidably connected into the front side wall of the installation base, and a control unit is fixedly installed in the middle of the bottom of the water level balancing rod. According to the alarm device for the pool full water test, when the water level rises, the touch control connecting rod at the top of the middle disc at the bottom of the water level balancing rod makes contact with the touch control alarm, and when the critical water level is reached, alarm sound or light flickering can be given out on site to remind field workers that the water level of the pool is abnormal; degradation of abnormal conditions such as water injection of the pool is avoided.
Owner:GUANGDONG CHENGXIN CONSTR ENG QUALITY INSPECTION CO LTD

IC anaerobic jar water distribution device

The utility model discloses a water distribution device for an IC anaerobic tank, which is characterized in that one end part of an outer cylinder is connected with a raw water inlet pipe, the side wall of the outer cylinder is connected with a plurality of raw water distribution branch pipes, and the outer ends of the raw water distribution branch pipes are communicated with a tank bottom water distribution pipeline in the IC anaerobic tank through pipelines. And the inner barrel is fixedly mounted in the outer barrel. And the inner end of the raw water inlet pipe and the inner ends of the raw water distribution branch pipes are respectively communicated with a cavity between the outer cylinder and the inner cylinder. One end of the inner cylinder is connected with a circulating water inlet pipe which penetrates out of the end of the outer cylinder, and the outer end of the inner cylinder is used for being connected with the circulating water inlet pipe. A plurality of circulating water distribution branch pipes are connected to the side wall of the inner barrel and penetrate out of the side wall of the outer barrel, and the outer ends of the circulating water distribution branch pipes are communicated with a tank bottom water distribution pipeline in the IC anaerobic tank through pipelines. Raw water inlet water and circulating water are collected at the same time, and the two streams of water do not interfere with each other in the water distributor chamber; and the purposes of saving installation space and balancing water inflow are achieved.
Owner:SHANDONG CHUNJIANG ENVIRONMENTAL TECH CO LTD

Method and system for controlling water balance in metal air electrochemical cells

A method of controlling water balance in an electrochemical cell during operation of the metal-air electrochemical cell includes controlling a ratio of a water vapor partial pressure in an intake air supply to a balanced water vapor pressure of an electrolyte of the metal-air electrochemical cell. Controlling the ratio is accomplished by controlling one or both of a water vapor partial pressure in the intake air supply and an equilibrium water vapor pressure of the electrolyte. The method may be performed by a system having a programmable controller programmed to perform the method and configured to receive signals from the sensors and control the relative humidity control device and the temperature control device based on the signals received from the sensors.
Owner:E ZINC INC

Gel breaker, preparation method and application

The invention relates to the technical field of oil and gas development, in particular to a gel breaker and a preparation method and application thereof.The gel breaker comprises 3%-6% of a main gel breaker, 2%-3% of a reduction activator, 5%-10% of a pH value regulator and the balance water; wherein the chemical formula of the main gel breaker is shown in the specification. According to the present invention, the ratio of each component is precisely adjusted, the unique chemical structure of the main gel breaker is utilized, and the benzene ring, the pyridine group, the hydroxyl group and other core groups have the synergistic effect, such that the high reaction activity can be maintained under the low temperature condition; by adding the reduction activator, the activity of the main gel breaker is further activated, the gel breaking capacity of the main gel breaker in a low-temperature environment is enhanced, full gel breaking of the fracturing fluid can be realized in a short time, the problem of incomplete gel breaking of a low-temperature reservoir is solved, and the gel breaking efficiency is remarkably improved.
Owner:陕西驭腾化学控股发展有限公司

A durable acrylic water-reducing agent and its preparation method

This application relates to the field of water-reducing agents, and in particular to a durable acrylic water-reducing agent and its preparation method. The agent introduces a structure with sterically hindered ester groups into the polyacrylic acid chain. By combining sterically hindered and sterically hindered monomers and controlling the proportion of sterically hindered groups, the agent can better balance water reduction rate and slump retention performance at higher service temperatures while maintaining water solubility.
Owner:HUBEI SHANSHUFENG BUILDING MATERIALS TECH CO LTD

A watershed ecological regulation method based on coupling of habitat and river flow simulation

The application discloses a kind of based on habitat and river flow simulation coupling's watershed ecological regulation method, belong to watershed ecological hydrology management field, this method includes according to the habit of protected species, set water depth suitability index, flow velocity suitability index and bottom stability index, and water depth suitability index, flow velocity suitability index and bottom stability index are synthesized, and comprehensive suitability index is obtained;According to comprehensive suitability index, define effective habitat;By constructing river two-dimensional hydrodynamics model, simulate and analyze physical habitat under different flow, count the area of effective habitat under different flow, establish the relationship curve between flow and effective habitat area;According to the relationship curve between flow and effective habitat area, establish watershed ecological regulation model, solve watershed ecological regulation model, obtain ecological watershed regulation scheme.The application solves the problem that existing regulation method cannot effectively balance water resource efficient utilization and ecological protection.
Owner:RES INST OF WATER RESOURCES PROTECTION HAIHE WATER CONSERVANCY COMMITTEE MINISTRY OF WATER RESOURCES

Water control valve deployment method and device based on horizontal well

The invention discloses a water control valve deployment method and device based on a horizontal well, relates to the technical field of oil reservoir development and intelligent control, and aims to improve water control adaptability and dynamically balance water control efficiency and productivity maintenance requirements. According to the technical scheme, the method comprises the steps that a horizontal well track of a target well is divided into a plurality of grid units according to three-dimensional oil reservoir digital-analog data of a block where the target well is located, and the permeability, the water saturation and the porosity of each grid unit are extracted; based on the permeability, calculating the equivalent permeability of each grid unit by adopting a permeability anisotropy correction model; the flooding probability of each grid unit is determined according to the equivalent permeability, the water saturation and the porosity, and a continuous flooding probability distribution diagram of the target well along the horizontal well trajectory is generated based on the flooding probability; and according to the continuous flooding probability distribution diagram, adopting the optimization objective function to carry out deployment optimization on the installation position and the initial opening degree of the underground inflow control device valve of the target well, and obtaining a valve deployment result of the target well.
Owner:PETROCHINA CO LTD +1

Self-locking type river channel gravity type revetment

The invention discloses a self-locking type river channel gravity type revetment, and belongs to the technical field of river channel revetment engineering. A revetment body is a reinforced concrete hollow box body, a pi-shaped male connector and a C-shaped female connector are arranged at the two longitudinal ends of the box body respectively, the mortise and tenon type male connectors and the mortise and tenon type female connectors of the adjacent box bodies can be vertically and oppositely inserted to achieve longitudinal self-locking, and meanwhile steering adjusting allowance is reserved between the connectors to adapt to the curve trend of a river channel shoreline; the front wall and the rear wall of the box body are provided with permeable holes and are filled with ballasting rocks to form a front-back through permeable passage, and the top is provided with a matched prefabricated reinforced concrete platform cover plate; a soil engineering inverted filter is arranged on a bank slope behind the box body, a permeable gravel layer is arranged between the inverted filter and the box body, and a puncture-resistant soil engineering isolation layer and an earthing greening layer are arranged on the upper portion. Cooperative stress of the revetment units can be achieved, water pressure in front of and behind the revetment is balanced, structural stability, water permeability and ecology are achieved, assembly construction is convenient and fast, and the revetment is suitable for high-water-head and strong-water-flow-scoured river channels and flood control projects.
Owner:SHAANXI RAILWAY INST

Water pan for air conditioner

The utility model relates to the technical field of water pans, in particular to a water pan for an air conditioner. According to the technical scheme, the device comprises an installation frame and a water disc installed at the lower end of the installation frame, the water disc and the installation frame are supported and fixed through a connecting piece, and the device further comprises a vertical balance piece arranged on the inner wall of the water disc and used for balancing the installation connection state of the water disc and the installation frame; the vertical balance part comprises an internal threaded cylinder fixedly connected to the inner wall of the water disc, a threaded rod is inserted into the internal threaded cylinder in a threaded mode, a sleeve is fixedly connected to the upper end of the threaded rod, the sleeve slidably covers the outer surface of the internal threaded cylinder, and the height of the sleeve is adjustable. The vertical balance part is arranged on the inner wall of the water disc, the vertical positioning effect on the water disc is achieved, installation of the water disc is more stable, and the water disc is not prone to deviating from the air conditioner outdoor unit in windy and rainy days.
Owner:FUYANG FUZHIRI ELECTRICAL TECHNOLOGY CO LTD

A method and apparatus for deploying water control valves based on horizontal wells

This application discloses a method and device for deploying water control valves based on horizontal wells, relating to the fields of reservoir development and intelligent control technology. The aim is to improve water control adaptability and dynamically balance water control efficiency with production capacity maintenance requirements. The technical solution is as follows: Based on the three-dimensional reservoir numerical model data of the target well block, the horizontal well trajectory of the target well is divided into multiple grid cells, and the permeability, water saturation, and porosity of each grid cell are extracted; based on the permeability, an anisotropic correction model is used to calculate the equivalent permeability of each grid cell; the water flooding probability of each grid cell is determined based on the equivalent permeability, water saturation, and porosity, and a continuous water flooding probability distribution map of the target well along the horizontal well trajectory is generated based on the water flooding probability; according to the continuous water flooding probability distribution map, an optimization objective function is used to optimize the deployment of the downhole inflow control device valves of the target well, obtaining the valve deployment result of the target well.
Owner:PETROCHINA CO LTD +1

Offshore casing pipe direct connection type emergency well plugging device and method

The invention provides an offshore casing pipe direct connection type emergency well sealing device and method, and belongs to the field of offshore oil well control equipment. The device comprises a hoisting mechanism, a balance water bag and a well shut-in device assembly, wherein the well shut-in device assembly comprises an inverted slip assembly, a reverse sealing ram blowout preventer, a limiting flange, a balance unloading four-way joint, a shear ram blowout preventer and an ignition cylinder structure. The method is carried out by utilizing the device, positioning is realized by hoisting and butting the bare casing and by virtue of a guiding and limiting structure, two-way sealing is completed by sequentially closing the upper blowout preventer and the lower blowout preventer after the casing is locked by adopting the slips, and well killing or blowout operation is realized through the four-way structure. The hoisting mechanism has an automatic unhooking function, manual approaching operation is not needed in the whole process, and the device is suitable for emergency well shut-in operation of offshore platform blowout with fire and the like. The method is rapid in deployment and high in safety, and the difficult problems that balance is difficult to control under the hoisting working condition of an offshore blowout scene, and flame influences hoisting safety are solved.
Owner:CHINA NAT OFFSHORE OIL CORP +1

A high efficiency water cycle power generation device

This utility model relates to the field of hydropower technology and provides a high-efficiency water-circulation power generation device, including a water circulation device. The water circulation device includes, from high to low, a relay water tank, a balance water tank, an energy storage water tank, a tailrace water tank, and a pneumatic component. The pneumatic component includes an air storage tank and a water lifting tank. A water hammer pump is installed in the tailrace water tank. The energy storage water tank is connected to the tailrace water tank through an inlet pipe. A water pump is installed in the balance water tank. The air chamber in the water hammer pump contracts or expands with the fluctuation of the water flow in the water hammer pump. The air chamber controls the change of air pressure inside the water lifting pipe through the connected air storage tank. The tailrace water in the tailrace water tank automatically enters the water lifting tank under the action of gravity. With the change of air pressure in the water lifting tank, the water in the water lifting tank flows to the balance water tank under the action of air pressure. The balance water tank can reduce the working height of the water pump, so that the water flow can be pumped to the relay water tank without the need for a large-power water pump. By reducing the power consumption of the water pump, the overall output power is increased.
Owner:FOSHAN NANHAI YICHANG ELECTRIC CO LTD