353 results about "Ballcock" patented technology

The utility model belongs to the technical field of water inlet devices, and discloses a water tank water inlet device which comprises a large water tank with an opening in the upper end, a supporting plate is fixed to the side wall of the large water tank, a small water tank is installed on the upper surface of the supporting plate, an exhaust valve is arranged on the upper surface of the small water tank, and a first communicating pipe is connected to the exhaust valve. The bottom of the small water tank is connected with a first communicating pipe, the other end of the first communicating pipe extends into the large water tank, the bottom of the small water tank is connected with a second communicating pipe, the other end of the second communicating pipe is connected with the lower end of the side wall of the large water tank, a floating ball valve is arranged in the small water tank, the floating ball valve is connected with a main valve, and the main valve is connected with a guide pipe used for water inflow. The floating ball switch has the effect of reducing the damage probability of the floating ball switch.

The utility model discloses a siphoning type circulating hydroelectric generation system which comprises a reservoir, a closed water storage tank, a siphon and power generation equipment. The closed water storage tank is higher than the reservoir, the siphon is connected between the reservoir and the closed water storage tank, and the power generation equipment is arranged above the reservoir and below the closed water storage tank; a water drain pipe of the closed water storage tank faces the power generation equipment, and potential energy of water is converted into electric energy by the power generation equipment; the water replenishing and pressurizing assembly comprises a water replenishing and pressurizing pipe connected between the reservoir and the closed water storage tank, a hydraulic ram arranged on the water replenishing and pressurizing pipe and a floating ball valve arranged at the water outlet end of the water replenishing and pressurizing pipe; and the hydraulic ram is lower than the reservoir. The water level condition in the closed water storage tank can be automatically monitored, water can be automatically supplemented in time to maintain the negative pressure in the closed water storage tank to be stable, the hidden danger that the negative pressure suddenly changes in the operation process is eliminated, a good circulation system can be formed, and stable operation of power generation equipment is guaranteed.

The boiler softened water tank comprises a softened water tank body and a support, the bottom of the softened water tank body is fixedly connected with the support, the left side of the softened water tank body is fixedly connected with a liquid level sight glass, the surface of an emptying pipe is fixedly connected with an emptying valve, the bottom of the right side of the softened water tank body is communicated with a boiler pipe, and the bottom of the boiler pipe is communicated with a vacuum suppressor. The utility model relates to the technical field of boiler softened water tanks, a small liquid level control tank is installed outside the tank, a vacuum suppressor is installed at the top of the liquid level control tank and used for exhausting air when water enters, a floating ball valve is installed in the tank and connected with the softened water tank through a U-shaped bend, and the soft water tank is connected with the vacuum suppressor. The normal temperature is kept, the service life of the sealing piece is prolonged, the sealing piece can be maintained in time without shutdown when damaged and is not influenced by use and hot water in the tank, and the problem that the sealing piece of the floating ball valve is used at high temperature for a long time and is easy to age to cause water leakage is solved.

The utility model relates to the technical field of exhaust valves, in particular to a constant pressure type automatic exhaust valve, which comprises a valve body, a floating ball, a valve seat, a cylinder body and a valve cover, the floating ball is arranged in the valve body, the cylinder body is fixed on the valve body through the valve seat and is communicated with the valve body, the valve cover is covered on the cylinder body, exhaust holes are arranged on the periphery of the cylinder body, and the exhaust holes are communicated with the valve body. The exhaust valve further comprises a piston assembly and a pressure adjusting assembly. The piston assembly movably covers the upper side of the valve body and the inner side of the cylinder body so that the inner side space of the valve body can be isolated from the inner side space of the cylinder body. The piston assembly corresponds to the exhaust hole in position. The application range of the exhaust valve can be widened, the sealing state of air in a pipeline can be kept under the specific pressure, the exhaust valve is started to exhaust air when the pressure exceeds the specific pressure, passing of water can be limited, and the exhaust valve can be used for preventing water from entering the pipeline. And meanwhile, the exhaust valve can cope with pipe network systems with different pressure requirements, and the maintenance cost and the installation cost are reduced.

The floating ball valve production polishing device capable of effectively limiting comprises an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a supporting plate, the side surface of the supporting plate is fixedly connected with a fixing rod, and the end, away from the supporting plate, of the fixing rod is rotationally connected with a rotating rod. The side surface of the supporting plate is fixedly connected with a connecting rod, the end, away from the supporting plate, of the connecting rod is fixedly connected with the C-shaped mold, the side surface of the C-shaped mold is fixedly connected with a spring, and the end, away from the C-shaped mold, of the spring is fixedly connected with a rubber pad. The ends, away from the springs, of the rubber pads are fixedly connected with grinding sand pieces, the ends, close to the springs, of the rubber pads are fixedly connected with sliding rods, and the ends, away from the rubber pads, of the sliding rods are fixedly connected with clamping blocks. Through the components, the rubber pad can drive the grinding sand sheet to grind the floating ball valves of different sizes, and meanwhile the grinding sand sheet can be driven to move under the action of the electric telescopic rod to grind the whole surfaces of the floating ball valves.

The utility model discloses an integrated fire-fighting and spraying device, which comprises a building machine, a water tank and a control box, the building machine comprises a bailey truss, a platform is fixedly connected between two lower chords of the bailey truss, a water inlet and a water outlet of the water tank are respectively and correspondingly connected with a water inlet pipeline and a water outlet pipeline, the water tank is fixed on the platform, and the control box is fixed on the water tank. A floating ball valve is installed at a water inlet of the water tank and used for controlling the water storage amount of the water tank, a pressurizing water pump is installed at the front end of a water outlet pipeline, and the water outlet end of the pressurizing water pump is connected with a spraying pipeline and connected with a fixed fire water monitor through a water conduit. The control box is electrically connected with the pressurizing water pump and used for controlling starting of the pressurizing water pump. According to the utility model, spraying and fire-fighting equipment are integrated, so that spraying and fire-fighting water can completely cover a working surface, the operation is convenient, and a solid guarantee is provided for safe construction and civilized construction of a construction site.

The invention relates to an automatic water level adjusting device for a sealing water tank of a circular cooler and a working method thereof. The automatic water level adjusting device for the sealing water tank of the circular cooler comprises a water supply mechanism and a water drainage mechanism, the water supply mechanism is composed of a water supply pipe and a floating ball valve, and the water drainage mechanism is composed of a water drainage pipe, an electric water drainage valve, a float switch, an industrial personal computer, a heavy hammer and a cable. The water supply mechanism adopts a ball float valve to realize water supply control, namely the water level lower limit of the sealed water tank is controlled; the drainage mechanism realizes drainage control by interlocking a float switch and an electric drainage valve, namely the upper limit of the water level of the sealed water tank is controlled; the water supply mechanism and the water drainage mechanism are simple in structure, convenient to install and low in failure rate, and therefore the working reliability of the sealed water tank is improved.

The utility model discloses a gas and liquid separation device for refrigeration equipment, which comprises a tank body, a liquid inlet pipe is arranged on the side surface of the tank body, a gas outlet pipe is arranged at the top end of the tank body, the gas outlet pipe is communicated with a spiral pipe, and one end, far away from the gas outlet pipe, of the spiral pipe is positioned right above the liquid inlet pipe; the liquid outlet pipe is arranged at the lower right corner of the tank body, a floating ball valve body is arranged in the liquid outlet pipe, and the floating ball valve body is rotationally connected with a connecting rod; an oil valve is arranged in the oil outlet pipe, one end of the oil outlet pipe is communicated with an oil collecting groove, and an inclined plate is arranged on the side surface of the oil collecting groove. Through the components, the inlet of the spiral pipe is formed over the liquid inlet, the liquid outlet is formed in the lower right corner of the tank body, the rotatable connecting rod is arranged, and the inclined plate is arranged on the side surface of the oil collecting groove, so that the device can be vertically installed and is also suitable for transverse installation with the liquid inlet pipe facing upwards, flowing of internal refrigerants, gas, liquid and oil is not affected, and the service life of the device is prolonged. And the universality and compatibility of the device are improved.

The invention relates to the field of valves, in particular to an adjustable floating ball valve which comprises a valve body, a plastic core, a transmission mechanism and an adjusting assembly, a drainage runner is formed in the surface of the valve body, the outer ring wall of the plastic core is connected to the inner wall of the drainage runner, the transmission mechanism comprises a rotating assembly, a closing assembly and a limiting block, and the closing assembly is slidably connected to the inner wall of the drainage runner. The rotating assembly is rotationally connected to the surface of the valve body, the adjusting assembly comprises an adjusting connecting rod and a floating ball, one end of the adjusting rotating connecting rod is rotationally connected to the driving end of the rotating assembly, the other end of the adjusting connecting rod is connected to the floating ball, and the floating ball ascends and descends to drive the rotating assembly to rotate on the surface of the valve body through the adjusting connecting rod. Through the arrangement of the adjusting connecting rod and the floating ball, the floating ball is driven to rotate on the adjusting connecting rod to reach the water storage level height, the water storage level in the container can be freely adjusted by a user, and therefore the convenience of using the floating ball valve by the user is improved.

The invention discloses an integrated self-adaptive damping deep hypothermia two-stage gas-liquid separation device which is characterized by comprising a first-stage pre-separation chamber, a second-stage pre-separation chamber, a third-stage pre-separation chamber and a second-stage pre-separation chamber, the secondary fine separation chamber is used for performing gravity fine separation on the pre-separated gas; the floating ball valve is arranged at a gas outlet in the secondary fine separation chamber and is used for opening or closing the gas outlet according to the liquid level height in the separation chamber; the self-adaptive damping mechanism comprises a permanent magnet which is fixed on a mechanical transmission connecting rod of the ball float valve; and the damping piece is fixed on the inner wall of the secondary fine separation chamber and is used for applying damping force opposite to the moving direction of the permanent magnet to the permanent magnet. Damping force generated by a non-mechanical contact type damping mechanism is utilized, the influence of the deep hypothermia dynamic working condition on the working stability of the floating ball type liquid level control device is greatly reduced, meanwhile, the problem that a damping device loses efficacy in the deep hypothermia environment is effectively solved, and the safety and economical efficiency of a deep hypothermia system are remarkably improved.

The utility model belongs to the technical field of bulk cargo loading and unloading, and relates to an automatic energy-saving environment-friendly water supply system suitable for bucket wheel machine operation, which comprises a bucket wheel machine and a water tank, the water tank is arranged along a strip-shaped stockyard foundation track, and a bucket wheel machine water supply pipe on the bucket wheel machine is led to the bottom of the water tank and used for feeding water. A double-floating-ball switch is arranged at the position, close to a ground cable transfer box of the bucket wheel machine, of the water tank and used for monitoring the high-low water level of the water tank and transmitting high-low water level signals to a cab or a remote control end, a water supply pipe is arranged at the terminal of the water tank and controlled to be opened and closed through a Y-shaped filter ball valve, and a floating ball valve is arranged at the joint of the water supply pipe and the water tank. A floater of the floating ball valve is placed in the water tank, a valve body of the floating ball valve is connected with the water supply pipe, incoming water enters the water tank through the water supply pipe, and the floating ball valve is automatically closed after the water tank is full of water. The bucket wheel machine with the water tank solves the problem that in the prior art, the bucket wheel machine with the water tank cannot maintain the spraying water consumption for long-time operation during water feeding, the working efficiency is improved, and the automation degree is enhanced.

The invention relates to the technical field of livestock equipment, in particular to an anti-freezing water tank for livestock breeding and a using method thereof.The anti-freezing water tank comprises a water tank body, a water tank is arranged on one side of the water tank body, a power supply assembly is installed at the top end of the water tank body, and a control switch is arranged on the side face of the water tank body; by arranging the temperature sensor, the circulating pump machine can be automatically started to enable water in the water tank to keep flowing, the water in the water tank is prevented from being frozen, water can be automatically supplemented after the water level drops, the requirement of livestock for drinking water at any time is met, manual water supplementing is not needed, operation is convenient, and the labor amount is reduced; by arranging the water tank and the electric heating wire, when the air temperature is too low, the electric heating wire can be automatically started to heat the interior of the water tank, water in the trough body is prevented from being frozen, the anti-freezing effect is good, and water at the proper temperature can be provided for livestock; by arranging a protection plate, the second floating ball valve can be shielded, and damage caused by accidental touch of livestock is prevented.

The invention relates to the technical field of energy efficiency testing, and discloses an extractor hood energy efficiency testing device and a testing method.The extractor hood energy efficiency testing device comprises a bottom plate, the bottom plate further comprises a separating device, the separating device comprises a separating structure and a rotating structure, and the separating structure comprises a separating tank, a steam inlet pipe, a metal net cylinder and a floating ball valve; the separating tank is fixedly connected to the upper surface of the bottom plate, the steam inlet pipe is fixedly connected to the top face of the separating tank, the metal net cylinder is arranged in the separating tank, the floating ball valve is movably connected to the bottom end in the separating tank, and the rotating structure comprises a rotating shaft, a connecting piece, a partition plate, a connecting rod and a scraper. The rotating shaft rotationally penetrates into the separating tank from the top end of the separating tank, and the connecting piece is fixedly connected to the surface of the rotating shaft.

The utility model relates to a coastal area fire pool structure, a main body is a fire pool, the side wall of the fire pool is provided with a water inlet pipe extending out of the fire pool, and the water inlet pipe is connected with a floating ball valve; an isolation chamber is defined in the fire pool through an enclosing wall, and the floating ball valve and the water inlet pipe are arranged in the isolation chamber; the bottom of the isolation chamber is provided with a water outlet communicated with the fire pool; and the top of the isolation chamber is detachably connected with a cover plate. The isolation chamber is used for protecting the floating ball valve from sea wind erosion, the cost can be saved, the opportunity that chloride ions and other corrosive substances directly make contact with the floating ball valve can be effectively reduced, and therefore the corrosion process of stainless steel is delayed, and the service life of the floating ball valve is greatly prolonged.

1. The name of the design product: float valve (2). 2. The use of the design product: valve switch for controlling water level. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The utility model belongs to the technical field of automatic water cutting systems of storage tanks, in particular to an intelligent water cutting system of a liquefied hydrocarbon spherical tank, which comprises a spherical tank, a tank root valve, a desilting pipe and a water cutting tank, an inlet valve is arranged on a connecting pipeline of the desilting pipe and the water cutting tank, and a water cutting pipeline is arranged at a water outlet at the bottom of the water cutting tank. A floating ball valve device is arranged at a water outlet in the bottom of the water cutting tank, a water cutting valve is mounted on the water cutting pipeline, a level gauge extending into the water cutting tank is arranged at the top of the water cutting tank, a pressure balance pipeline is arranged between an opening in the side wall of the water cutting tank and the water cutting pipeline, and a balance valve is mounted on the pressure balance pipeline; the water draining device further comprises a water draining controller and a plurality of externally-attached liquid level switches installed on the outer side wall of the water draining tank. According to the intelligent water cutting system, the interface level meter is calibrated in real time through the externally-attached liquid level switch, water in the water cutting tank can be drained safely, conveniently and rapidly, the situation that the floating ball blocks the water outlet under high pressure is avoided, the situation that normal water cutting work is affected due to failure or damage of the interface level meter is avoided, the water drainage efficiency is high, and the water drainage effect is good.

The invention relates to the technical field of valves, in particular to a floating ball valve. The floating ball valve comprises a valve body, a valve element assembly and a driving assembly, the valve body is provided with a first on-off opening, a first flow channel and a second flow channel, and the first on-off opening communicates with the first flow channel and the second flow channel; the valve element assembly is movably arranged in the valve body and selectively abuts against the first on-off opening so that the first flow channel and the second flow channel can be communicated or separated. The driving assembly comprises a lever structure, a floating ball and a sinking ball, one end of the lever structure is connected with the valve element assembly, the other end of the lever structure is connected with the floating ball, and the other end of the lever structure is connected with the sinking ball through a flexible part; wherein the weight of the floating ball is smaller than that of the sinking ball, and the density of the floating ball is smaller than that of water. The technical problem that a floating ball valve is frequently opened and closed is solved, and the purposes that the floating ball valve is controllable in opening and closing and the liquid level can be adjusted are achieved.

The invention discloses a water tank water feeding and discharging anti-blocking device which comprises a domestic water tank and an industrial water tank, water inlet valves are fixedly arranged at the top end of the domestic water tank and the top end of the industrial water tank correspondingly, and the bottom ends of the two water inlet valves fixedly communicate with guide pipes correspondingly. According to the device, the floating ball valves are arranged at the water inlet ends in the domestic water tank and the industrial water tank, so that water feeding is stopped when the water level in the water tanks reaches a certain height, the situation that water leaks out of a pipeline after the water tanks are full of water, and consequently water resource waste is caused is avoided, and the effect of saving water resources can be achieved; according to the technical scheme, one original water outlet nozzle is changed into two water outlet nozzles, water in the domestic water pipe communicated with one water outlet nozzle is used as domestic water, the water in the domestic water tank is conveniently guided into the industrial water tank through the backflow pipe communicated with the other water outlet nozzle, and then the water inlet efficiency of the industrial water tank is improved.

The utility model discloses a flow discarding device which comprises a pipe body, a flow inlet and a flow outlet are respectively arranged on two sides of the pipe body, a drain outlet is further arranged at the bottom of the pipe body, a floating ball valve matched with the drain outlet is arranged in the pipe body, a filter screen opposite to the flow outlet is further arranged in the pipe body, and a supporting shaft is arranged in the flow outlet. The supporting shaft is configured to be arranged in a springing mode towards one side of the filter screen, an abutting and supporting piece is arranged at the end, close to the filter screen, of the supporting shaft, and the abutting and supporting piece abuts against the filter screen under the action of elastic force. The supporting shaft bounces towards one side of the filter screen to drive the abutting and supporting piece to abut against the filter screen, the abutting and supporting piece can support the filter screen, and therefore the filter screen can be prevented from deforming due to water pressure. Compared with the prior art, the propping piece capable of propping towards one side of the filter screen is arranged in the flow outlet of the flow discarding device, so that the filter screen can be prevented from being deformed due to water pressure.

The invention relates to the technical field of valves, in particular to an anti-noise and anti-vibration remote control floating ball valve. Comprising a valve body, a valve cover is arranged on the upper side of the valve body and connected with a floating ball assembly, a shaft hole is formed in the center of an inner cavity of the valve cover, the upper end of a valve rod is inserted into the shaft hole, a spring is arranged at the top of the inner cavity of the valve cover and sleeved on the valve rod, and the valve rod is provided with external threads at the position of the spring. The lower end of the valve rod is inserted into a rib plate in the middle of a water inlet of a lower cavity of the valve body, and an upper membrane pad, a membrane, a lower membrane pad, a supporting sleeve, a valve clack and a sawtooth-shaped lower guide are sequentially installed on the valve rod between the nut and the round step from top to bottom. The sawtooth-shaped lower guide is in a bottle cap shape, a through hole is formed in the center of the sawtooth-shaped lower guide and arranged on the upper side of the round step of the valve rod in a sleeved mode, the outer diameter of the bottle cap is slightly smaller than the inner diameter of a valve runner, sawteeth are evenly distributed on the side edge of the bottle cap-shaped sawtooth-shaped lower guide, the height of the sawteeth is 8-15 mm, the distance between every two adjacent sawteeth is 2-4 mm, and the thickness of the sawteeth is 3-5 mm. The sawteeth are isosceles triangles, and the vertex angles of the sawteeth are 30-60 degrees.

The application discloses a water sealing intelligent control device for slagging of a incinerator, which comprises a sedimentation tank, a water supplement pipe connected to the sedimentation tank, a filter screen connected to the sedimentation tank, a slagging machine connected to the water supplement pipe, a pneumatic electromagnetic valve connected to the water supplement pipe, a float ball valve connected to the slagging machine and a controller, wherein the pneumatic electromagnetic valve is in an open state when the liquid level in the slagging machine is lower than the position of the float ball valve, the pneumatic electromagnetic valve is in a closed state when the liquid level in the slagging machine is higher than the position of the float ball valve, and the controller is electrically connected to the pneumatic electromagnetic valve and the float ball valve respectively.

The invention relates to an anti-overflow air valve to avoid water leakage in the exhaust process of the air valve. The air valve is suitable for the technical field. According to the technical scheme, the anti-overflow air valve comprises a valve body, a valve body cavity is formed in the valve body, an air-water inlet and outlet communicated with the valve body cavity is formed in the lower end of the valve body, and a first ventilation opening communicated with the valve body cavity is formed in the upper end of the valve body; the valve cover is fixed to the upper end of the valve body, a valve cover cavity is formed in the valve cover, at least one air inlet and outlet hole is formed in the side wall of the valve cover, a second air vent is formed in the lower end of the valve cover, and the valve cover cavity is communicated with the valve body cavity through the second air vent and the first air vent; the first floating ball valve is arranged in the valve body cavity and can seal the first air vent when the water level in the valve body cavity is greater than or equal to a preset first water level; and the second floating ball valve is arranged corresponding to the gas-water inlet and outlet of the valve body and can seal part of the gas-water inlet and outlet when the water level below the gas-water inlet and outlet is greater than or equal to a preset second water level.

The utility model discloses an energy -saving sintering machine waste heat recovery device relates to sintering machine technical field, including water tank, the top fixedly connected with float ball valve and liquid level detection mechanism of water tank, and water tank bottom and one side are fixedly connected with water delivery pipe and the communicating pipe respectively, and the one end fixedly connected with recovery subassembly of communicating pipe, and recovery subassembly is surrounded and is provided with the outer thermal -insulated cover, and recovery subassembly includes recovery main part and the smoke pipe main body of its matched setting, and the inboard fixedly connected with the fairwater of recovery main part. Through the heat conducting layer of concentration department reaches the effect of the concentration and heat conduction to the flue gas in recovery main part, through the effect of the convenient recovery main part along its outward flow through the flow guide port, through the effect of the concentration flue gas heat in the water pipe main body outside position through the heat collection cover, through the effect of the storage water source in the water tank through the water pipe main body, the communicating seat and the water injection pipe.

The utility model relates to the technical field of floating ball valves, and discloses a low-pressure pipeline water outlet floating ball valve control device which comprises a valve body, the top of the valve body is fixedly connected with a cylindrical shell, the outer wall of the cylindrical shell is fixedly connected with an external water pipe, the external water pipe is communicated with the cylindrical shell, the top of the cylindrical shell is movably connected with a cover plate, and the outer wall of the cylindrical shell is communicated with the cover plate. The top of the cover plate is fixedly connected with a second threaded ring. According to the low-pressure pipeline water outlet floating ball valve control device, through cooperative use of a ball body, a sliding rod, a gear, a half-toothed plate and a sliding groove, when the sliding rod drives the ball body to ascend, the half-toothed plate can be driven to descend through the gear, so that the half-toothed plate blocks a first circular groove in the right side of the valve body; at the moment, water flow can enter the cylindrical shell through a second circular groove and a connecting ring, the water flow can continuously flow to a place needing water supply through an external water pipe, at the moment, the connecting pipe can be directly replaced, and therefore the effect that the connecting pipe can be directly replaced without closing a water source is achieved.

The utility model provides a mechanical seal circulating cooling device, and belongs to the technical field of mechanical seal protection. Comprising a base frame, a water tank is fixedly arranged in the middle of the base frame, a water inlet pipe is connected to one side of the upper portion of the water tank, a floating ball valve is installed at the tail end of the water inlet pipe, a circulating cooling mechanism is installed on one side of the base frame and the water tank, a cleaning mechanism is installed in the water tank, and a dustproof mechanism is installed above the water tank. A blow-down valve is mounted in the middle of the bottom end of the water tank. The circulating cooling mechanism is arranged, a worker opens the floating ball valve in advance, external cooling water can enter the water tank through the water inlet pipe, when the mechanical seal works, the worker starts the water pump, and the cooling water in the water tank can flow into and penetrate through the mechanical seal to cool the mechanical seal under the guidance of the first connecting pipe and the second connecting pipe. And then the cooling water is discharged to the radiating calandria along the third connecting pipe, and the cooling water absorbs the heat of the mechanical seal.

The utility model discloses a multifunctional water tank of cooling relates to water tank technical field, including box, coil evaporator, water inlet pipe, drain pipe, overflow pipe, water supplementing mouth and float ball valve, the inside of box is provided with at least one coil evaporator, and the coil evaporator has import joint and export joint, and import joint and export joint are located in the one side outer wall of box and with the inside intercommunication of coil evaporator, and the one end of box is provided with water inlet pipe, drain pipe, overflow pipe and water supplementing mouth, and water inlet pipe, drain pipe, overflow pipe and water supplementing mouth are communicated with the inside of box respectively, and the inside of box is located at water supplementing mouth and is provided with float ball valve. In the utility model, through with the integration design of coil evaporator and water tank, form coil evaporative heat exchange system, has realized efficient heat exchange, compares traditional heat exchange mode, and heat exchange efficiency improves about 30%, and the equipment adopts compact design, and the installation space is saved.

The utility model discloses a floating ball valve of a cooling tower, which comprises a valve body, a water inlet arranged on one side of the valve body, a water outlet arranged at the bottom of the valve body, a floating ball rod arranged on one side of the valve body, a floating ball fixedly connected with the tail end of the floating ball rod, and a sewage disposal device arranged inside the water outlet. The adjusting device is arranged at one end of the floating ball rod away from the floating ball. The utility model relates to the technical field of floating ball valves, and the floating ball valve of the cooling tower realizes the automatic cleaning of the inner wall of the floating ball valve while water enters through the matching of a vertical rod, a scraping plate, a fixed seat, a fixed rod and a turbine, and solves the problems that some dirt is possibly attached to the inner wall of a floating ball valve of a traditional cooling tower after long-time use, and the inner wall of the floating ball valve is not easy to clean after a large amount of dirt is accumulated. The water outlet of the floating ball valve can not discharge water according to the normal water yield, so that the water storage time is prolonged, and the cooling progress of the cooling tower is influenced.

This invention relates to the field of fire protection and water supply technology, and provides a constant pressure opening automatic air vent valve, including a main valve body, a check valve assembly, a float valve assembly, and a drip valve assembly. The main valve body is divided into upper and lower chambers. The lower chamber houses the check valve assembly, which sets the opening pressure by adjusting the preload of the adjusting spring. This allows the valve to open and vent when the pressure is higher than the set pressure, and automatically close when the pressure is lower, preventing the outflow of the medium or the reverse infiltration of external gas. The upper chamber houses the float valve assembly, which includes a float, a gas diversion plate, and a gas guide cup. The diversion plate has multiple air passages, and the guide cup has circumferentially opened bypass holes, forming a gas flow channel with the inner wall of the valve body. Some gas, after being diverted and guided, enters the gas guide cup and acts on the float, avoiding direct impact on the float and eliminating oscillation. The float rises and seals the outlet when filled with liquid. A drip valve is located at the lower position of the valve body for automatic or manual drainage of accumulated water when the pressure decreases.

This utility model belongs to the field of electric steam oven technology, and particularly relates to a variable frequency electric steam oven, including an outer shell, a variable frequency control panel installed on the front of the outer shell, support foot tubes fixedly installed around the bottom of the outer shell, adjustable feet installed at the bottom of the support foot tubes, a steam outlet connected to the top of the outer shell, and a water inlet fixing bracket fixedly installed at the bottom of the outer shell. The other end of the water inlet is connected to the inlet of the auxiliary water tank float valve, and a clamp blind plate sleeve is installed on the top of the auxiliary water tank. This variable frequency electric steam oven, through heating elements installed on the inner wall of a square body under a vertical cylindrical or elliptical cavity, concentrates the heating area around the cavity in the middle of the heating water tank, allowing the water in the heating tank to quickly absorb heat in this area and reach boiling. Simultaneously, the cylindrical or elliptical cavity provides a vertical exhaust channel for steam. Since steam is less dense than water, buoyancy allows the steam to be discharged more smoothly. Concentrated boiling and vertical exhaust accelerate phase change, improving steam generation efficiency.

The utility model provides a fire-fighting high-position water tank, which belongs to the technical field of fire-fighting high-position water tanks, and comprises a water tank body, a water inlet pipe, a floating ball valve, a drainage pipe, an electromagnetic valve, a cooling assembly and a pressure reduction assembly, the right side of the upper surface of the water tank body is provided with the water inlet pipe in a penetrating manner, and the bottom end of the water inlet pipe is provided with the floating ball valve; a drainage pipe penetrates through the lower portion of the outer side of the water tank body, an electromagnetic valve is installed below the inner side of the drainage pipe, a cooling assembly penetrates through the center of the water tank body, and a pressure reduction assembly is fixedly installed above the drainage pipe; water in the water tank can be cooled by the aid of the cooling component, water pressure at the drain pipe can be reduced by the aid of the pressure reducing component, stability of the water pressure can be guaranteed, and normal fire extinguishment is guaranteed.