225results about "Water mains" patented technology

The application relates to a full-mechanical automatic tracking self-balancing variable current voltage stabilizing device and a use method thereof, which comprises a main pipe and two gear connecting rod combined mechanisms arranged on the two sides of the main pipe respectively; the gear connecting rod combined mechanism comprises a bellows, a pressing plate pressed on one end of the bellows far from a water inlet pipe, and a pressing rod pressed on the hose; one end of the bellows is sealingly connected with the pipe wall of the water inlet pipe, the other end is sealingly fixedly connected with the pressing plate, a supporting rod extending away from the bellows is fixed on the pressing plate, a spring is connected with one end of the supporting rod far from the pressing plate, and the other end of the spring far from the supporting rod is fixedly arranged; the gear connecting rod combined mechanism further comprises a driving gear and a driven gear which are mutually meshed. The application changes the flow area of the hose through the gear transmission mechanism of each connecting rod and the expansion and contraction of the bellows when the water pressure changes, so that the flow is stored and the pressure is increased when the pressure is low, the municipal end water pressure is prevented from being lower than the minimum allowable value due to excessive secondary water supply and water taking, no external power is needed, and the automatic tracking and self-balancing functions are achieved.

A drinking and domestic water system with a transfer point (22) from the public water supply network, a line (2, 4) from which at least one ring main (10; 38, 40) branches off, wherein the ring main (10) branches off from the line (2, 4) via an outlet opening (14) and is led back into the line (2, 4) via an inlet opening (16), wherein a flow resistance element (36) is arranged in the line (2, 4) between the outlet opening (14) and the inlet opening (16), or wherein the ring main (38, 40) is led back into a circulation line (6) via the inlet opening (16). The present invention aims to provide such drinking and domestic water system, which is intended to simplify the shutting off of the ring main for functional tests, cleaning measures or maintenance purposes.

Novel systems and methods for reducing the incidence of water leaks and the resulting structural damage in structures by preventing water flow to a structure at times when the structure is unoccupied and / or water is not in use. The system for reducing the incidence of water leaks in a structure comprising at least one motion sensor, a central hub, a timer and a motorized ball valve.

This application discloses a self-generating remote control valve group and a remote control device. The self-generating remote control valve group includes: a remote control valve group for controlling the on / off of pipeline systems in underground coal mines; an energy storage module electrically connected to the remote control valve group; and a collaborative power generation module for supplying power to the energy storage module. The collaborative power generation module includes: a wind power generation unit installed in a ventilation roadway in the underground coal mine, which converts wind energy in the ventilation roadway into electrical energy; a hydraulic power generation unit installed in a water supply pipeline in the underground coal mine, which converts fluid kinetic energy in the water supply pipeline into electrical energy; a pneumatic power generation unit installed in a compressed air pipeline in the underground coal mine, which converts compressed pressure energy into electrical energy; and a controller communicatively connected to the remote control valve group and the collaborative power generation module. The controller can control the pneumatic power generation unit to supply power to the energy storage module according to the voltage parameters in the energy storage module.

A modular wall frame for a recycled water system, the modular wall frame includes a horizontal frame module, a vertical frame module, a greywater tank coupled to the horizontal frame or the vertical frame, at least one water consuming appliance drain coupled to the horizontal frame module, and at least one water consuming appliance water input coupled to the vertical frame module.

The utility model relates to water conveyance engineering technical field, concretely relates to a long distance tunnel water conveyance device. The device includes import box culvert section, water conveyance tunnel section and pressureless tunnel section, import box culvert section, water conveyance tunnel section and pressureless tunnel section are all horizontal section, the import shaft is arranged between import box culvert section and water conveyance tunnel section, the top of import box culvert section is communicated with import shaft, and one end of water conveyance tunnel section is communicated with the bottom of import shaft, the export shaft is arranged between water conveyance tunnel section and pressureless tunnel section, the other end of water conveyance tunnel section is communicated with the bottom of export shaft, and pressureless tunnel section is communicated with the top of export shaft. The utility model can realize tunnel section smooth full pipe, greatly restrain the difficult to predict clear full flow separation point movement, intense pressure pulsation and water flow turbulence in water filling mode.

The utility model relates to water tank technical field discloses a combined stainless steel water tank, including the combined water tank that is provided with the water inlet end and the water outlet end, the water outlet end of combined water tank is installed with the water outlet pipe, the one end of water outlet pipe is away from combined water tank and is welded with the cleaning storehouse, the front and back of cleaning storehouse all are provided with the communicating hole, the one end surface of cleaning storehouse is away from water outlet pipe and is welded with the filter connecting pipe in the position of facing the communicating hole, the one end of filter connecting pipe is away from water outlet pipe and is detachably installed with the filter assembly. The combined stainless steel water tank, through the lifting of silica gel brush hair can clean the stainless steel filter screen filter end, need not to disassemble the filter device to clean the stainless steel filter screen conveniently and quickly, greatly simplifies the maintenance process, reduces the labor intensity and operation risk, the impurity cleaned out is directly discharged from the blowoff pipe through the water flow, will not backflow to the inside of combined water tank, prevents the secondary pollution of the water in the inside of combined water tank when cleaning the stainless steel filter screen.

The application discloses an adaptive water level water taking device, which comprises a water conveying assembly, a water taking assembly, a water inlet assembly and a guide assembly. The water conveying assembly comprises a first flexible pipe body, a rigid pipe body and a second flexible pipe body which are sequentially connected. The water taking assembly comprises a water inlet float and a counterweight float. The adaptive water level water taking device has a source vibration reduction effect and can be modularly prefabricated. The device solves the problem that vibration of an existing suspended water taking device under water level fluctuation and water flow impact can cause pipeline stress concentration, fatigue damage of a connecting part and further decline of water taking system stability. Meanwhile, the device can freely increase or decrease the number of flexible pipe sections according to specific water area working conditions, and the overall structure is detachable, facilitating construction and installation. The device not only attenuates water flow pulsation and vibration energy caused by equipment operation from the source of vibration, but also solves the problem of displacement incoordination between a suspended water inlet and a rigid pipe at a shore end to a certain extent. Meanwhile, the device achieves the effect of protecting the water conveying system by limiting the transmission path of vibration to the rigid pipe section.

The application discloses a gas-water diversion anti-siphon device, which comprises a water storage tank body, a water inlet pipe joint, a water outlet pressure-limiting backflow valve assembly, a pressure-loss air inlet valve assembly and a pressure-loss water outlet valve assembly. The water inlet pipe joint is arranged at the upper half of the water storage tank body and is connected with a water supply pipe network. The water outlet pressure-limiting backflow valve assembly is arranged at the lower half of the water storage tank body and is connected with downstream water using appliances. The pressure-loss air inlet valve assembly and the pressure-loss water outlet valve assembly are arranged at the top end and the bottom end of the water storage tank body, respectively. When the water supply pipe network is shut down and negative pressure is generated, the pressure-loss air inlet valve assembly is opened to enable air to enter the water storage tank body and flow into the water supply pipe network through the water inlet pipe joint. Meanwhile, the pressure-loss water outlet valve assembly is opened to discharge the accumulated water in the water storage tank body. Meanwhile, the water outlet pressure-limiting backflow valve assembly is closed to prevent downstream water from flowing back into the water storage tank body.

This application provides a rainwater harvesting and utilization system for vertical greening buildings, relating to the field of green building. It includes a downpipe and a water storage tank embedded in the base of the building. One end of the downpipe connects to the top of the building, and the other end of the downpipe has a first branch pipe and a second branch pipe. One end of the first branch pipe connects to the downpipe, and the other end has a detachable sealing cap. One end of the second branch pipe connects to the downpipe, and the other end supplies rainwater to the water storage tank. The second branch pipe is equipped with a filter mechanism for filtering rainwater. The water storage tank contains a water pump and a sprinkler pipe. The water pump pumps the rainwater from the storage tank through the sprinkler pipe for watering the plants. This application has the effect of collecting and reusing rainwater without causing silt accumulation and clogging.

This utility model relates to an automatic irrigation device for highway greening, including a water tank; an output pipe is connected to the side of the water tank, and evenly distributed drip nozzles are installed on the outside of the output pipe; a manual valve for controlling the flow of water through the output pipe is also installed on the outside of the output pipe; a drainage mechanism for draining water is installed inside the water tank; compared with the prior art, the beneficial effects of this utility model are: a water tank is set in the center of the green belt, the water tank is connected to the output pipe, and multiple drip nozzles are set on the outside of the output pipe. The drip nozzles are located at the roots of the green trees. Through slow drip irrigation, targeted irrigation of green plants can be achieved, which is conducive to plant absorption and is less likely to cause water to seep into the road surface on both sides. The slow irrigation method can achieve continuous long-term irrigation to ensure normal plant growth.

The application belongs to the technical field of water supply equipment, and particularly relates to a tank type non-negative pressure water supply equipment and a water supply method, which comprises a constant pressure tank, a variable frequency main pump, a high pressure compensation tank, a multifunctional pump and a three-way valve. The constant pressure tank is connected with a municipal pipe network. The variable frequency main pump is connected between the constant pressure tank and a water outlet main pipe. The high pressure compensation tank is connected with the water outlet main pipe. The multifunctional pump has a first end and a second end. The first end is connected with the constant pressure tank, and the second end is connected with the high pressure compensation tank. The three-way valve has a first interface, a second interface and a third interface. The first interface is connected with the first end of the multifunctional pump. The second interface is connected with the second end of the multifunctional pump and the high pressure compensation tank respectively. The third interface is connected with the water outlet main pipe. Through the above structure and connection mode, the operation energy consumption of the equipment can be greatly reduced, the operation efficiency of the equipment can be improved, and the purpose of energy saving and consumption reduction can be achieved.

This utility model discloses a greywater supply system, including a water storage tank. The inlet of the water storage tank is connected to an inlet pipe, and the outlet of the water storage tank is connected to a supply pipe and a return pipe. The supply pipe includes a first automatic valve, a controllable check valve, and a pressure sensor, arranged sequentially downstream of the connection point of the supply and return pipes. The return pipe includes a second automatic valve, located downstream of the connection point of the supply and return pipes. The supply pipe connects to a water usage point, and the return pipe connects to the return port of the water storage tank. This utility model, by installing a pressure sensor and a first automatic valve on the supply pipe and a second automatic valve on the return pipe, allows the pressure sensor to detect water demand. When water demand is present, the second automatic valve can shut off the return pipe, thus preventing water from flowing back through the return pipe and affecting the supply pressure of the supply pipe, effectively ensuring the water pressure at the water usage point.

The present invention relates to a water management system (2) for a water distribution network comprising at least one water inlet point (22) and at least one water distribution point (24), comprising: detection means (4) placed between at least one water inlet point (22) and at least one water distribution point (24) and configured to measure a water flow rate; a valve (26) configured to control the water flow rate between at least one water inlet point (22) and at least one water distribution point (24); a control module (10) configured to: receive and analyze data (DA) measured by the detection means (4); detect and report one or more anomalies related to the water flow rate, and, give an order (OR) to at least one valve (26) to modify the water flow rate in case of anomaly detection.

This invention provides a pipeline laying method and a centering component that enable smooth and low-cost joining of leading and trailing pipes. [Solution] The pipeline laying method comprises an installation step of installing a centering member 8 on the inner surface of the socket of the lead pipe 3; a centering step of inserting the insertion end of the lead pipe 4 into the socket of the lead pipe 3 and inserting the centering member 8 into the gap between the inner surface of the socket of the lead pipe 3 and the outer surface of the insertion end of the lead pipe 4 to align the pipe axes of both pipes 3 and 4 at the joint portion of both pipes 3 and 4; and a retrieval step of, after the centering step is completed, pulling out the centering member 8 from between the inner surface of the socket of the lead pipe 3 and the outer surface of the insertion end of the lead pipe 4 and retrieving it. The centering member 8 has a plate-shaped portion 8a that is sandwiched in the gap between the inner surface of the socket of the lead pipe 3 and the outer surface of the insertion end of the lead pipe 4, and an extended piece 8b that protrudes from the gap and extends from the plate-shaped portion 8a so as it moves away from the plate-shaped portion 8a, it moves away from the outer surface of the insertion end of the lead pipe 4.

To provide a water supply system that is economical and energy-efficient, can be implemented at low cost, and can be easily applied to farms without electrical facilities by enabling the reliable and automatic discharge of all residual water.SOLUTION: A branch pipe open / close valve 5... is configured as an open / close function valve in which a valve body part 5v... is displaced by operating an actuator 5h... to open and close a branch pipe Ps.... Inside the valve body part 5v..., a sub-valve mechanism 6 is provided which switches the valve body part 5v... at a closed position Zc to a closed side Zpc at a predetermined water pressure Fw or more in a branch pipe Psi on the upstream side of the valve body part 5v..., and switches the valve body part 5v... at the closed position Zc to an open side Zpo at a pressure less than the predetermined water pressure Fw. After the water supply from a water supply source S is stopped at the time of water drainage, the residual water in a main pipe Pm and the branch pipes Ps... can be drained from a drain valve 3 by switching the drain valve 3 to the open position.SELECTED DRAWING: Figure 1

This invention discloses a highly integrated secondary water supply system, relating to the field of secondary water supply technology. The invention includes a base, an integrated column, and several pump units. The integrated column is a vertical cylindrical structure, comprising an inner cylinder, a middle cylinder, and an outer cylinder from the inside out. A bladder is fixed inside the inner cylinder, and nitrogen gas is filled between the bladder and the inner cylinder, forming a pressure-stabilizing chamber. A drainage chamber is formed between the inner and middle cylinders. A main outlet pipe connecting to the drainage chamber is fixed to the top of the integrated column. This invention, through the design of a novel secondary water supply system, abandons the planar layout of existing technologies and adopts a three-dimensional integrated structure with the integrated column as the core and the pumps arranged in a ring. The pressure-stabilizing chamber, drainage chamber, and flow-stabilizing chamber are integrated within a single vertical integrated column, and all pumps are arranged in a ring around the integrated column. This layout transforms the system from a two-dimensional planar layout to a three-dimensional integrated system, fundamentally solving the problem of large footprint in traditional layouts.

This utility model discloses an integrated intelligent water replenishment micro-station, comprising an intelligent water replenishment micro-station housed within a metal container and a modular water storage tank connected thereto. The intelligent water replenishment micro-station includes a control system and a pump system. The control system includes a power supply control cabinet, a PLC control cabinet, an industrial precision air conditioner, temperature and humidity sensors, and a water immersion detection rope. The pump system includes two water replenishment pumps and their corresponding inlet pipes, signal butterfly valves, filters, reducers, and outlet pipes. The control system achieves automatic monitoring and coordinated control of the pumps, valves, and environmental parameters through power supply and communication. The pump system connects the water storage tank to an elevated water tank via flexible connecting pipelines to achieve intelligent water replenishment. This device has a high degree of structural integration, possesses environmental monitoring, intelligent control, and operational stability, and is suitable for automatic water replenishment scenarios in elevated water tanks in tunnels. It is easy to install and maintain.

The application discloses a cleaning machine. The cleaning machine comprises a water storage container, a water mixing valve, a water outlet assembly, a circulating filtration assembly and a flushing assembly. The water storage container has a first water cavity and a second water cavity. The first water cavity is used for communicating with an external hot water source, and the second water cavity is used for communicating with an external normal-temperature water source. The water mixing valve communicates with the first water cavity and the second water cavity respectively. One end of the water outlet assembly communicates with the water mixing valve, and the other end of the water outlet assembly is used for communicating with a water use end. The circulating filtration assembly has a water suction end and a connecting end. The connecting end communicates with the second water cavity. The circulating filtration assembly is used for sucking water after washing or other water sources into the second water cavity through the water suction end for filtration and delivery. The flushing assembly is used for controlling water in the first water cavity and / or the second water cavity to flush the circulating filtration assembly. The application can provide a cleaning machine with high utilization rate of water resources.

The utility model relates to intelligent outdoor fire hydrant technical field, and disclose a kind of intelligent outdoor fire hydrant, including fire hydrant body, the top of fire hydrant body is fixedly connected with two groups of water outlet pipe, one end of the water outlet pipe is fixedly connected with mechanical seal component, the surface of fire hydrant body is fixedly connected with anti-collision component;Mechanical seal component includes the support ring of fixed connection in the water outlet pipe one end, one end of the support ring is fixedly connected with sealing ring, the surface of support ring is fixedly connected with two groups of pivot, the surface of pivot is rotatably connected with buckle, one side of support ring is fixedly connected with plug cover;Anti-collision component includes the heat insulation cotton of fixed connection on the surface of fire hydrant body, the surface of heat insulation cotton is sleeved with rubber cylinder.The intelligent outdoor fire hydrant, reach the situation of preventing fire hydrant from leaking, avoid water resource waste, prolong the service life of fire hydrant, reduce maintenance cost.

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.

The present application relates to the technical field of station water supply equipment, and specifically discloses a linear water distributor water supply system for station water supply, comprising: a water storage tank; a filter module, which is arranged on the upper side of a fixed plate and connected with the water storage tank; an adjusting module, which is arranged on the lower side of the fixed plate and comprises an electromagnetic valve, a flow guide plate, a heating cavity, a cooling cavity and a temperature controller; a water distribution and heating module, which is connected with the adjusting module and has a first water distribution module and a second water distribution module, and through the adjustment of the water storage tank and the adjusting module, water distribution at different temperatures is realized. The present application overcomes the defects of the prior art, i.e., the single treatment, the difficulty in grading treatment and the difficulty in freely and accurately adjusting the water temperature of the linear water distributor in the water supply of the station.

This utility model relates to the technical field of water generators, specifically disclosing a rotary air-to-water generator, including a body and a dehumidifying rotor. The body contains independent moisture absorption channels and cooling / heating channels. The dehumidifying rotor is rotatably mounted within the body. A first partition and a second partition are respectively installed at both ends of the dehumidifying rotor. The first and second partitions are respectively provided with a dehumidification area and a regeneration area connected to the dehumidifying rotor. The dehumidification area is located within the moisture absorption channel, allowing the dehumidifying rotor to absorb moisture from the air within this area. The regeneration area is located within the cooling / heating channel, allowing the moisture adsorbed by the dehumidifying rotor to be heated and desorbed in the regeneration area and condensed into water through cooling. A water storage chamber connected to the cooling / heating channels is provided at the lower inner end of the body. This rotary air-to-water generator can improve water extraction efficiency and has higher environmental adaptability.

An outer housing for a pressure monitoring system includes a sidewall shell defining an outer shell surface and a top end, the sidewall shell comprising an annular outer sidewall projection extending from the top end, the outer sidewall projection defining at least a portion of the outer shell surface; and a cap mounted to the sidewall shell, the cap defining an inner cap surface and an annular outer cap surface opposite the inner cap surface, the outer sidewall projection extending alongside the outer cap surface; wherein the outer cap surface defines a cap curved portion and the outer sidewall projection defines a projection curved portion meeting the cap curved portion, such that the cap is substantially flush with the sidewall shell.

Filter head (1), at least encompassing • a housing part (2) with ◯ a first connection geometry (3) for connection to a filter cartridge (4); ◯ a first connection (5) for a liquid; as well as ◯ a second connection (6) for the liquid; • a connecting part (7) connected to the housing part (2), • a valve assembly (8) with ◯ a valve sleeve (9) which is movable relative to the housing part (2) and the connecting part (7) along an axial direction (10) and forms at least switchable sealing surfaces (11, 12, 13, 14, 15, 16) with the housing part (2) and the connecting part (7); and ◯ a valve pin (17) arranged in the valve sleeve (9) and movable relative to the valve sleeve (9) along the axial direction (10); wherein the valve sleeve (9) has at least a first upper sealing surface (11) which interacts switchably with the housing part (2) and a second upper sealing surface (12) which interacts switchably with the connecting part (7); wherein the valve pin (17) has a third sealing surface (13) which interacts with the valve sleeve (9).

The utility model discloses a secondary water supply temporary water supply tank convenient to carry and install in the process of old -rebuilding, including water tank, the upper end of water tank is equipped with the water inlet, and the one side of water inlet is installed with water pipe fixed clamp, the lower extreme of water inlet is provided with the moving bottom plate, the lower extreme of moving bottom plate is provided with the moving wheel, and the middle part of moving bottom plate is reserved with the threaded hole, the front end of moving bottom plate is provided with the spliced clamping plate, and the rear end is provided with the plugboard, the threaded hole on moving bottom plate is installed with the detachable mounting bolt column. The whole water tank adopts the splicing type design, not only convenient carrying, uses, can select the number of splicing according to the need, avoids the problem that the big water tank occupies the area and is not good to move, and the design of moving bottom plate and moving wheel is convenient for carrying, and the connecting mode of mounting bolt column and metal threaded cylinder realizes quick installation with the water tank, saves construction time and manpower cost, and the operation is very convenient.

This utility model provides a high-efficiency and energy-saving integrated tank-pump pressure-stabilizing water tank, relating to the field of water supply equipment processing technology. It includes an integrated tank-pump pressure-stabilizing water tank assembly, with a filter component on its side, and reinforcing and buffer components on its top. The assembly comprises a water tank and an energy-saving pressure-stabilizing pump. In this utility model, multiple filter elements are installed inside the filter box, which effectively filters the water source, removing impurities and particulate matter to prevent them from accumulating inside the tank. The activated carbon box further adsorbs microorganisms in the water source, further purifying the water quality, reducing corrosion and wear of the tank, extending the service life of the integrated tank-pump pressure-stabilizing water tank assembly, and maintaining the cleanliness of the water inside the tank, preventing water quality deterioration due to bacterial growth caused by impurities.

To provide an improved valve assembly.SOLUTION: A valve assembly includes a movable valve element (3) arranged to move relative to a valve housing (30) between an open position and a closed position. The valve housing includes a drainage body (40) provided with drainage holes (41, 42) arranged to allow fluid to drain from the valve assembly from gaps (10, 11, 12) between the movable valve element and the housing via the drainage holes.SELECTED DRAWING: Figure 3