59results about "Pump siphons" patented technology

The invention discloses a siphon power generation device which comprises a water storage pipe, a siphon located in the water storage pipe and a TENG power generation device located at the end of the siphon, and the TENG power generation device is located below the water storage pipe. One end of the siphon penetrates through the bottom of the water storage pipe to be communicated with the TENG power generation device, the other end of the siphon is located in the water storage tank, and the siphon sucks rainwater in the water storage pipe and conveys the rainwater to the TENG power generation device. The siphon power generation device is arranged in a rainwater pipe, so that the kinetic energy of rainwater on the roof can be effectively collected.

The present invention provides an automatic stop device that simplifies the structure, improves the responsiveness and reliability of stopping fluid delivery, and enables rapid stopping of fluid delivery in emergencies, as well as a siphon-type fluid delivery pump equipped with this automatic stop device. [Solution] The device includes a float 212 that detects the liquid level in the container to which the liquid is being delivered, and a storage section 213 that houses the float and holds air. A communication hole 214 is opened at the top of the storage section, and the held air is sent to the discharge valve 14 of the pump 1 via an air inlet tube 215. A slide valve 211 that operates in response to the float rising connects the top of the storage section and the air inlet tube via the communication hole when the float rises to a predetermined position. As a result, the discharge valve is closed by the released air, the liquid flow in the discharge hose 15 is restricted, and the liquid delivery of the siphon-type liquid delivery pump is stopped. This provides an automatic stop device 2 and a siphon-type liquid delivery pump having an automatic stop device.

The invention discloses a water softening valve and a water softening machine, and relates to the technical field of water softening machines, a valve body of the water softening valve is provided with a valve cavity, a grating assembly comprises a plurality of supporting baffle rings arranged at intervals, the outer peripheries of the multiple supporting baffle rings abut against the inner circumferential face of the valve cavity, and a water passing cavity is formed between every two adjacent supporting baffle rings; the piston is connected to the inner peripheries of the supporting baffle rings in an inserted mode and comprises a first piston body and a second piston body which are connected, the diameter of the first piston body is larger than that of the second piston body, the first piston body is provided with a water passing channel with the two ends communicated, and a first water passing ring groove is formed in the periphery of the first piston body. A second water passing ring groove is formed in the periphery of the second piston body, and the supporting baffle ring abuts against the piston to block communication between the corresponding water passing cavities. In the process that the piston moves in the axial direction of the valve cavity, the first piston body is at least connected with the inner peripheries of the two supporting baffle rings in an abutting mode. According to the technical scheme, the sealing performance of the soft water valve can be improved.

This invention relates to the field of soil moisture retention technology and discloses a self-circulating moisture retention system for shallow desert soil. The system includes a pumping module, a cold condensation water module, a grouting module, and a photovoltaic module. The pumping module comprises a pump and a pumping pipe. The pump is located above ground, and one end of the pumping pipe is connected to the pump, while the other end is buried underground for drawing water from the ground. The cold condensation water module condenses water vapor in the air into liquid and transports it underground. The grouting module injects EICP solution underground to form a water-retaining layer. The photovoltaic module provides power to the system. This invention effectively utilizes deep water sources: through photovoltaic power generation and a pump-driven system, it achieves efficient extraction of deep groundwater in the desert, providing a continuous moisture supply to the shallow soil. This invention also comprehensively utilizes wind energy resources: the wind-powered condensation system condenses water vapor in the air into water, replenishing the shallow soil moisture, reducing evaporation loss, and lowering the system's dependence on groundwater.

The application discloses a water conservancy power generation engineering slope protection device, and relates to the technical field of water conservancy power generation engineering, which comprises a concrete slope body, ecological boxes are vertically and upwardly arranged on the inclined surface of the concrete slope body at equal intervals, irrigation pipes are arranged on the upper ends of the ecological boxes, planting grooves are arranged in the ecological boxes and are in sliding cooperation with the ecological boxes, first springs are connected between the bottoms of the planting grooves and the ecological boxes, a siphon pipe is arranged on the concrete slope body, a one-way valve is arranged on the outer wall of the siphon pipe and located above the ecological box close to the top end of the inclined surface, the one-way valve and the irrigation pipes of the ecological boxes are connected through pipelines, and the water conservancy power generation engineering slope protection device has the advantages that the drainage function of the ecological boxes is ensured during rainfall period, water accumulation is prevented, good water and soil loss prevention and treatment effects are achieved during flood period, the soil can be automatically irrigated and watered without power control when the rainfall lasts for a long time.

This invention relates to the field of siphon vacuum technology and discloses a convenient device for vacuuming a siphon in a water tank. The device includes a main assembly comprising a first filter tank, a second filter tank, a sewage pipe, and a siphon. The second filter tank is disposed on one side of the first filter tank, the sewage pipe is located inside the first filter tank, and the siphon is disposed on top of the first filter tank. It also includes an air extraction assembly disposed on the main assembly, comprising an air extraction component, a sealing component, a limiting component, a driving component, a detection component, and a resetting component. The air extraction component is disposed at the top of the siphon, and the sealing component is located inside the air extraction component. The beneficial effects of this invention are: by setting up the air extraction assembly, a large amount of air can be present inside the siphon, causing the siphon's siphon effect to fail. When this causes the siphon to fail, the air inside the siphon can be automatically extracted without human intervention, allowing the siphon to function normally and greatly saving the workload of staff.

Condensate drain device (1) for a heating appliance (2), comprising an inlet nozzle (3), a backflow preventer (4) and a drain siphon (5).

The utility model relates to drainage equipment, in particular to a portable active siphon system for rapid drainage, which comprises a vacuum pump body and is technically characterized in that one side of a cavity where an impeller of the vacuum pump body is located is connected with an air exhaust pipeline, the other side of the cavity where the impeller is located is connected with an air exhaust pipeline, and the other end of the air exhaust pipeline is communicated with a negative pressure centralized control pipe. The other end of the exhaust pipeline is communicated with the atmosphere, the two ends of the negative pressure centralized control pipe are used for being connected with a siphon pipeline water inlet section and a siphon pipeline drainage section respectively, a pressure relief pipeline communicated with the atmosphere is additionally arranged on the top face of the negative pressure centralized control pipe, a first control valve is arranged on the exhaust pipeline, a second control valve is arranged on the exhaust pipeline, and a third control valve is arranged on the pressure relief pipeline. Compared with a fixed siphon drainage device, the siphon drainage device is convenient and flexible to use and low in use cost, and meanwhile, compared with a movable siphon drainage device, the automatic level is further improved, the labor intensity of workers is reduced, the drainage efficiency is improved, and potential safety hazards are reduced.

The invention discloses a practical waste oil recovery device based on a high-pressure feeding pump, and relates to the technical field of waste oil recovery of the high-pressure feeding pump, the practical waste oil recovery device comprises a feeding pump body, an oil collection tank and an oil storage tank, the feeding pump body is provided with an oil inlet and an oil outlet, the practical waste oil recovery device further comprises an insertion plate, and a connecting pipe is fixedly installed on the insertion plate; an inner pipe is fixedly mounted in the connecting pipe; the hose penetrates through the inner pipe, and one end of the hose is inserted into the oil collecting tank; the sliding rod is mounted on one side of the connecting pipe in a sliding manner; an upper plate and a lower plate; and a rotating disc is fixedly mounted on the second friction wheel. When waste oil needs to be recycled, the connecting pipe on the inserting plate can be directly inserted into the oil outlet, the inner pipe inserted into the connecting pipe downwards extends into the inner bottom wall of the pump body, negative pressure is generated to suck oil while the connecting pipe is inserted, and after the waste oil is sucked, the waste oil is continuously pumped through siphoning. Therefore, waste oil can be conveniently and quickly recycled.

The utility model provides a high-temperature tunnel power-free low-temperature river water leading auxiliary cooling device, which comprises a siphon water pipe, a starting device and an air supply cooling device, the temperature of river water is lower than that of the tunnel, the siphon water pipe comprises a water inlet and a water outlet, the water inlet is directly or indirectly positioned in a river channel, and the starting device is directly or indirectly positioned in the river channel. The water inlet is lower than the river water level line of the river channel, the elevation of the water inlet is lower than that of the water outlet, the starting device can be connected with the water outlet, and liquid is filled into the pipe cavity through the starting device when the pipe cavity of the siphon water pipe is not filled with liquid until the pipe is full. According to the auxiliary cooling device, the siphon effect is utilized through the siphon suction water pipe, low-temperature river water is guided without power to assist in cooling of the high-temperature tunnel, energy consumption caused by a traditional water pump and other modes is reduced, and therefore resources can be saved, and construction cost can be reduced.

2.1. The invention relates to a siphon drain device which comprises a siphon housing (1), a dip tube (5), and a bypass channel (6). The siphon housing comprises an upper housing part (1a) having a siphon inlet structure (2), and a lower housing part (1b) comprising a sump (3). The sump has an upright sidewall (3a) terminating at its top end with an overflow edge (3b). The lower housing part further comprises a siphon outlet (4) in fluid communication with the sump via the overflow edge. The dip tube is removably connected to the siphon housing, forms a tube inlet (5a) on an upper part in fluid communication with the siphon inlet structure, and extends with a tube wall (5b) downwards into the sump to terminate with a bottom end (5c) in the sump. The bypass channel leads out of the sump to the siphon outlet via a closable bypass opening in the sidewall of the sump. 2.2. According to the invention the dip tube is configured to close the bypass opening by a closure portion (8) of its tube wall, and / or the dip tube comprises a fixing region (9) at or adjacent its bottom end, and the sump comprises a tube fixing structure (10) at a level below the bypass opening, said tube fixing structure being configured to fix the dip tube at its fixing region in radial direction of the dip tube on the sump. 2.3. Use, e.g., for drain systems in bathrooms and shower rooms.

A siphon clock comprises: a base; the shell is fixed on the base and forms a water inlet space together with the base; the water outlet pipe is arranged on the base and extends upwards into the water inlet space, and the water outlet pipe is communicated with a drainage end arranged outside the siphon clock; the water inlet pipe is arranged on the base and extends upwards into the water inlet space, and the water inlet pipe is communicated with a water inlet end arranged outside the siphon clock; the positioning hole is formed in the top of the shell and is aligned with the top end of the water outlet pipe; the replaceable conical column body is installed on the top of the shell and provided with a conical part, the conical part penetrates through the positioning hole, and the bottom end of the conical part is inserted into the water outlet pipe from a water pipe opening in the top end of the water outlet pipe.

The invention relates to the technical field of agricultural irrigation, in particular to a large trunk canal siphon water taking drip irrigation head engineering system which is suitable for water-saving irrigation of farmland on both banks of a trunk canal in a large irrigation area and comprises a trunk canal, a siphon water taking pipeline system, a filtering head forebay, a pump front filter and a drip irrigation pressurization head. The vacuum water diversion device is arranged, and siphon automatic water supply is formed through the water level difference. Water enters the forebay through the siphon to be primarily filtered, then is secondarily filtered through the pre-pump filter, and is pressurized and conveyed to a drip irrigation system through the pipeline centrifugal pump, so that efficient irrigation is realized, a trunk canal levee does not need to be opened for water diversion, and the safety of a water conservancy project is protected; automatic and continuous water supply is achieved through the siphon principle, and energy is saved; the filtering forebay is small in occupied area, and the land utilization rate is increased.

The utility model provides a device for extracting a surface water body according to a siphon principle, which comprises a water taking head part, a water collecting head part and a water collecting head part, the hose is connected with the water taking head part; the floating ball is connected to the side part of the water taking head part and the side part of the hose; the hose floats on the water surface by partial buoyancy provided by the floating ball and is fixed by the U-shaped pipe clamp at the top of the dam, the hose outside the dam and the hose floating on the water surface in the dam form a water level difference to generate siphon drainage, electric power or pump drainage is not needed, the total investment cost is lower than that of a traditional pumping system, and the maintenance difficulty is reduced. The unpowered design avoids oil contamination or noise pollution, no mechanical fault is generated, the device is suitable for being matched with ecological sensitive water areas, and the problem of water blooms of water bodies is solved with low cost and high efficiency by ingeniously combining the siphon principle and the floating structure.

The application discloses a dry hot rock heat utilization system for combined heat and power generation and belongs to the technical field of power generation. The technical scheme is as follows: a water filtering device is arranged, a water inlet pipe of the water filtering device is connected with a water pool, a water outlet is connected with a siphon pipe, and an electromagnetic valve is arranged on the water inlet pipe, the water inlet end and the water outlet end of the siphon pipe; the siphon pipe is connected with a water guide bucket through a water guide pipe, the water guide pipe is connected with an exhaust pipe, and an electromagnetic valve is arranged on the water guide pipe and the exhaust pipe; the siphon pipe is inserted into a vertical shaft, and multiple water power generation mechanisms are arranged below the water outlet of the siphon pipe along the vertical shaft height direction; the water power generation mechanism comprises a water turbine generator, a water falling bucket is arranged below the water turbine generator, a water falling pipe is connected with the water outlet of the water falling bucket, and the water turbine generator is connected with a power transmission and transformation device through a cable. The application realizes the coupling of dry hot rock heat collection and gravity potential water power generation by using the siphon principle, the whole production process does not need external energy input and pump transportation, zero-carbon combined heat and power generation can be realized, and the energy consumption is greatly reduced.

The application discloses a kind of fluid automatic or simple and convenient lifting or siphon device or technology, it is in water storage area or liquid storage device, waterproof material interface water outlet is provided with siphon drainage device, and it is provided with starting device on siphon drainage device for starting siphon function of siphon drainage device, to quickly or intermittently siphon drain the fluid that seepage or accumulation, complete drainage task;The starting device includes at least one of drainage tube or starting tube, (intermediate) liquid storage device, capillary siphon device, mechanical instantaneous starting device, sealed starting device, fluid flow or flow control device.Solve the technical difficulties of existing waterproof engineering or drainage engineering to lifting or output power, greatly reduce the construction difficulty and production cost;It has no high requirement to construction site, process and weather, long waterproof period, without lifting or output power setting, no harmful substances are generated in construction process, meet the requirements of environmental protection;It can use existing materials or devices to produce and construct standardized profiles or prefabricated components;It is suitable for various waterproof or drainage and fluid discharge treatment engineering.

The invention provides a siphon water delivery system capable of automatically controlling flow and a control method thereof, and relates to the technical field of fluid delivery. The siphon water delivery system capable of automatically controlling the flow comprises a siphon pipeline assembly, a siphon starting device, a sensing detection module, an electric control valve, a central controller and a fault alarm module, the siphon pipeline assembly comprises a water suction pipe, a water outlet pipe and a connecting pipe fitting, and one end of the water suction pipe is immersed below the liquid level of a water source; and the outlet end of the water outlet pipe is lower than the liquid level of the water source. According to the siphon water delivery system capable of automatically controlling the flow, the technical problems that a traditional siphon water delivery system is uncontrollable in flow, poor in stability and depends on manpower are solved by integrating the functions of sensing detection, automatic control, adjustment execution and the like.

A multiphase rotor comprising a disk body, an inlet for receiving liquid into the rotor, and at least one outlet configured to discharge the liquid from an internal rotor cavity. A flow path is provided between the inlet and the at least one outlet by a liquid suction channel and an internal rotor cavity. The rotor is configured to rotate around a rotation axis, and when the rotor rotates faster than the stable cavity threshold rotation speed, a persistently stable vapor cavity is formed within the internal rotor cavity.

This invention discloses an automatic control siphon drainage method for reverse slope tunnel construction. During construction, construction water from the tunnel face and lower bench is pumped to a wastewater storage tank. After sedimentation, it naturally flows into a clear water tank. When the water level in the clear water tank reaches a certain height, a water level sensor sends a signal, triggering a remotely controlled automatic pump to start operating. Simultaneously, the system automatically closes the gate valve at the lowest point of the external drainage pipe, opens the automatic gate valve at the pump, and automatically opens and closes the gate valve on the connecting pipe at the highest point of the drainage pipe. When water overflows the entire pipe and spills from the connecting pipe at the highest point, triggering the water level sensor, the gate valve at the highest point automatically closes, while the remotely controlled gate valve at the lowest point outside the tunnel automatically opens and the pump shuts down, forming an automatic siphon drainage system. The entire process is controlled by water level sensors installed in the clear water tank and the connecting pipe at the highest point of the pipeline, which control the pump and the opening and closing of the three gate valves, thus forming an automatic control siphon drainage system.

The utility model provides a siphon tank with a filtering function, which aims to solve the problems of frequent cleaning, low working efficiency and the like in the working process of the siphon tank, and comprises a tank body, the upper part and the lower part of the tank body are respectively connected with a liquid inlet pipe and a liquid outlet pipe; a water inlet of the centrifugal pump is connected with the liquid discharge pipe; the filter cartridge is of a closed shell structure and is detachably and fixedly connected to the interior of the tank body, the filter cartridge and the inner wall of the tank body are distributed in a clearance mode, and the liquid discharge pipe is communicated with the interior of the filter cartridge; the temperature control device comprises a heat exchanger and a temperature sensor, the heat exchanger is connected with the tank body and used for controlling the temperature of liquid in the tank body, and the temperature sensor is arranged in the tank body and used for detecting the temperature of the liquid in the tank body; according to the device, the detachable filter cartridge is arranged in the tank body, so that compared with a traditional filter structure, the filter area can be effectively increased, the cleaning frequency is reduced, and the cleaning is convenient; the temperature adjusting device is arranged to adjust the temperature of liquid in the tank body, so that the blockage risk of the filter cartridge can be effectively reduced, and the filtering efficiency is improved.

The application relates to the technical field of cold-rolled plates, in particular to a high-strength cold-rolled plate which comprises a cold-rolled plate and further comprises a protection mechanism fixed on the cold-rolled plate, wherein the protection mechanism comprises an oil-permeable film, a sponge pad, rust-preventive oil and an oil separation film; the oil-permeable film is fixed on the cold-rolled plate; the rust-preventive oil is arranged on the sponge pad; the sponge pad is fixed on the oil-permeable film; the oil-permeable film is arranged between the sponge pad and the cold-rolled plate; the oil separation film is fixed on the sponge pad; and the sponge pad is arranged between the oil-permeable film and the oil separation film. The application further provides a production process of the high-strength cold-rolled plate. In use, the rust-preventive oil is used to form a protective film on the surface of the cold-rolled plate, so that rusting of the cold-rolled plate is prevented; the storage time of the cold-rolled plate is prolonged; and the strength of the cold-rolled plate is indirectly improved.

A vacuum pump for use with a siphon system to continuously purge gases that accumulate in a high point of the siphon system, or for priming the inlet to a pump, or to create vacuum for another purpose. Siphon systems require regular purging of gases when operating for long periods of time. The vacuum pump provides a mechanism that operates in a cycling manner. A first stage of the cycle involves filling a chamber using a pressurised liquid supply, and purging all gases from the chamber. A second stage involves isolating the chamber from the surrounding environment, and then allowing the liquid in the chamber to drain into the siphon system, while at the same time gases from within the siphon system are allowed to enter the chamber. Once the liquid has drained from the chamber, the chamber is isolated from the siphon system, and the liquid filling stage is repeated. Continual cycling of this process can purge the siphon system of gases, or be used to produce a vacuum for other purposes.

The utility model discloses a power-free movable self-cleaning accumulated water conveyor, and relates to the technical field of drainage facilities. Comprising a water replenishing funnel, a water replenishing valve and a water inlet interface, a sealing cover is arranged at the top of the cylinder body and is connected with a water replenishing funnel; a water replenishing valve is arranged at the joint of the water replenishing funnel and the sealing cover; the inner wall of the barrel is connected with a filter net barrel, and the top of the filter net barrel is a net surface inclined downwards; the upper part of the cylinder is provided with a water inlet; a water outlet connector is arranged at the lower part; the water inlet connector is connected with an elbow; the elbow is positioned above the filter screen barrel; the water inlet connector is connected with a water inlet pipe, the water outlet connector is connected with a water outlet pipe, and the end of the water inlet pipe is immersed in accumulated water and higher than the end of the water outlet pipe in the working process. The exterior of the barrel is connected with moving wheels; the siphon drainage device achieves the drainage function through the siphon effect, saves electric energy, and is very suitable for extraction and drainage of main accumulated water of an equipment cofferdam in a chemical production device.

The utility model discloses a simple inverted siphon water taking device, and relates to the technical field of water conservancy projects, in particular to the simple inverted siphon water taking device which comprises a water taking pipe, a three-way pipe is welded to the bottom end of the water taking pipe, a connecting pipe is welded to the bottom end of the three-way pipe, a check valve A is fixedly installed at the bottom end of the connecting pipe through a flange A, and a check valve B is fixedly installed at the bottom end of the connecting pipe through a flange B. And a submersible pump is fixedly mounted at the bottom end of the check valve A through a flange B. According to the siphon principle, firstly, the device is dragged to the position 2-3 m below the water surface through a buoy, so that the device obtains the optimal water source of a reservoir, a generator or an existing power source is connected with a submersible pump, the device is filled with water by starting the submersible pump, then the submersible pump is stopped, water in the reservoir is taken from another filter pipe opening, and the siphon principle and normal water supply of a water supply pipeline are achieved. The equipment is used in cooperation with a buoy, high-quality water sources in a reservoir can be obtained, and compared with electric energy water taking, the investment of water taking engineering is greatly saved.

The application relates to an emergency drainage device and a design method thereof. A vertical pipe assembly comprises a first vertical pipe and a second vertical pipe, and a switch unit is arranged on the second vertical pipe; a transverse pipe assembly is provided with a through hole; the transverse pipe assembly is arranged on a support structure; a bend pipe assembly comprises a first bend pipe and a second bend pipe, two ends of the first bend pipe are connected with the first vertical pipe and the transverse pipe assembly respectively, and two ends of the second bend pipe are connected with the second vertical pipe and the transverse pipe assembly respectively. The emergency drainage device comprises the first vertical pipe arranged in an upstream position, the second vertical pipe arranged in a downstream position, and the transverse pipe assembly and the bend pipe assembly connecting the first vertical pipe and the second vertical pipe, so that water in an upstream reservoir can be urgently drained to a downstream position, the structure is simple, and the efficiency is high. In addition, the design method of the emergency drainage device can design the emergency drainage device meeting the field environment through mechanical calculation, and rapid drainage under the premise of safety is realized.

The application discloses a soft water valve and a soft water machine, and relates to the technical field of the soft water machine, wherein the soft water valve comprises a valve body, a plug cover, a jet device and a plug structure; the valve body is provided with a valve cavity, a forward flow salt suction channel and a reverse flow salt suction channel; the forward flow salt suction channel comprises a first forward flow channel connected with the water inlet cavity and a second forward flow channel connected with the side wall cavity; the reverse flow salt suction channel comprises a first reverse flow channel connected with the water outlet cavity and a second reverse flow channel connected with the central cavity; the plug cover is installed on the valve body, and the plug cover and the valve body form a switching channel; the switching channel is part of the flow channel in the forward flow salt suction channel or the reverse flow salt suction channel; the jet device is provided with a siphon cavity, and the jet device is installed in the second forward flow channel or the second reverse flow channel in a lead-through mode and is connected with the water injection salt suction channel through the siphon cavity; the plug structure is used for plugging the reverse flow salt suction channel or the forward flow salt suction channel; and the technical scheme can reduce the manufacturing cost of the soft water valve.

The invention relates to the technical field of water cooling towers of power plants, and discloses a siphon device of a water cooling tower of a power plant, which comprises a water jet air ejector, a water injection door, a pipeline filter cartridge, an air exhaust isolation valve, a pipeline stop valve, a vacuum meter, a siphon breaking valve, an inner surrounding water distribution control valve and a pipeline, the water injection door is communicated with the water inlet end of the water jet air ejector, and a pipeline filter cartridge is connected between the water injection door and the water jet air ejector; a vacuum meter and a siphon breaking valve are arranged between the air exhaust isolation valve and the pipeline stop valve, an inner surrounding water distribution control valve is arranged below the siphon breaking valve, and all the parts are communicated through pipelines; the device forms a complete transmission loop and ensures continuous and stable operation; all the valves are reasonably arranged to achieve effective control, inner surrounding water distribution is convenient to adjust, and controllability is improved to meet the requirements of the water cooling tower.

A vacuum pump for use with a siphon system to continuously purge gases that accumulate in a high point of the siphon system, or for priming the inlet to a pump, or to create vacuum for another purpose. Siphon systems require regular purging of gases when operating for long periods of time. The vacuum pump provides a mechanism that operates in a cycling manner. A first stage of the cycle involves filling a chamber using a pressurised liquid supply, and purging all gases from the chamber. A second stage involves isolating the chamber from the surrounding environment, and then allowing the liquid in the chamber to drain into the siphon system, while at the same time gases from within the siphon system are allowed to enter the chamber. Once the liquid has drained from the chamber, the chamber is isolated from the siphon system, and the liquid filling stage is repeated. Continual cycling of this process can purge the siphon system of gases, or be used to produce a vacuum for other purposes.

The present invention relates to an assembly, segment, section or similar for conveying liquids which is fitted to an installation for conveying and supplying such liquids, in a vertical or approximately vertical section of the installation, with the liquid entering at the top and leaving at the bottom of the lower section, which is to be kept, at least in part, flooded, where the conveyance assembly consists of a single-piece main part which has a "U" section incorporated, constituting a coaxial siphon-effect part. The present invention also relates to an apparatus installed in a liquid supply installation which incorporates in the conveyance assembly, or close to it, a system for measuring the characteristics of the liquid and its flow.