177 results about "Venturo" patented technology

The invention relates to the field of water pollution abatement, in particular to an underwater micro-nano bubble generator and a using method thereof.The underwater micro-nano bubble generator comprises a bubble cutting pipe, a bubble cutting generating device is arranged in the middle of the bubble cutting pipe, and an erecting fixing plate is arranged at the front end of the bubble cutting pipe; a plurality of first venturi tubes are arranged on the erected fixing plate, each first venturi tube comprises a first liquid inlet section, a first compression section and a first expansion section, a water passing pipe is connected between the first expansion section and the bubble cutting tube, and an air inlet which is the same as the interior of the first venturi tube is fixedly formed in the first venturi tube; and a second Venturi tube is fixedly mounted at the rear end of the bubble cutting tube, so that the problems that a micro-nano bubble generator in the prior art is relatively high in cost, water and gas cannot be preliminarily mixed before bubble cutting, and the damage resistance is poor can be solved.

The invention discloses a self-inspiration inclined section type venturi stirring paddle which comprises a hollow main shaft, a plurality of venturi tubular paddle blades are annularly arrayed on the outer wall of a gas cavity at the bottom of the hollow main shaft, each venturi tubular paddle blade sequentially comprises a contraction section, a throat part and a diffusion section in the fluid direction, an inclined section is formed in the pipe wall of each contraction section, and the inner wall of each contraction section is provided with a gas inlet. The oblique section cutting plane extends to the upstream of the throat part from the inlet end face of the contraction section, and a mounting included angle is formed between the axis of the Venturi tubular paddle and the axis of the hollow main shaft. Under the flow guide effect of the inclined section cutting plane, liquid is efficiently entrained and sucked into the contraction section; in the throat area, external air is continuously sucked in through the connecting pipe and is instantly sheared into fine and dense bubble groups by the high-speed liquid flow; meanwhile, due to the existence of the fixed mounting included angle, the gas-liquid mixture sprayed out of the diffusion section presents an obvious inclined jet flow form, and the gas-liquid mixture flows downwards and radially in a combined manner under the leading action of the gas-liquid mixture, so that a bubble group is effectively conveyed to the lower part and the peripheral area of the kettle body.

According to the technical scheme, the venturi tube comprises a venturi tube body and a dehumidifier, the venturi tube body is formed by sequentially splicing an inlet section, a gradually-shrinking section, a throat part and a gradually-expanding section, three introduction tubes are all connected with the throat part, and the three introduction tubes are arranged at 60-degree intervals in the circumferential direction; the three first pipe rows and the two second pipe rows of the dehumidifier are arranged on the diverging section and are alternately arranged at equal intervals in the axial direction of the diverging section. The Venturi tube has the advantages that boiler flue gas and carbon capture absorption liquid are mixed through the Venturi tube body, meanwhile, the dehumidifier is installed on the divergent section, on one hand, liquid drops in the flue gas can be condensed and flow to the drainage groove along the bottom of the divergent section through the dehumidifier, on the other hand, waste heat in the flue gas can be absorbed, and the carbon capture absorption liquid can be recycled. Waste heat of smoke heats absorption liquid in the first pipe row and the second pipe row, follow-up absorption reaction is facilitated, the structure is simple, the manufacturing cost is low, operation and maintenance are convenient, and the high application prospect is achieved.

The invention relates to the technical field of IMR process membrane production equipment, in particular to a membrane dust removal device for an IMR process, which comprises a main body assembly, a base, a conveying bed and a mounting frame, the conveying bed and the mounting frame are arranged at the end part of the base, and a driving motor and a transmission box are further arranged on the outer wall of the mounting frame; the dust removal assembly comprises a cleaning roller, the cleaning roller is arranged at the end of the conveying bed, an ion bar is further arranged on the outer wall of the cleaning roller and used for eliminating static electricity, and a dust collection component is further arranged at the end of the conveying bed and installed at the other end of the cleaning roller; the cleaning roller is in floating installation under the action of the first elastic piece through cooperation of the moving block, the sliding block and the moving guide rail, and the cleaning roller can adapt to surface fluctuation of the diaphragm and keep constant micro-pressure contact; strong negative pressure is formed in the adsorption roller through the air supply pipe and the Venturi pipe and is conducted to the surface of the non-woven fabric through the negative pressure cavity and the adsorption holes, non-contact adsorption of the membrane is achieved, and it is ensured that dust is efficiently captured and the membrane is not damaged.

The invention provides a powder dissolving kettle and a powder dissolving method. The powder dissolving kettle comprises a dissolving kettle body, a Venturi tube ejector and a top saturated steam ejection part, the venturi tube ejector is connected with the side wall of the dissolving kettle body, and the axis of the venturi tube ejector is parallel to the horizontal plane; the venturi tube ejector comprises a first saturated steam inlet end and a powder inlet end which are arranged outside the dissolving kettle body, and a mixed material outlet end connected with the side wall of the dissolving kettle body; the top saturated steam jet part is arranged at the top of the dissolving kettle body. According to the invention, the Venturi tube ejector is adopted to suck powder and enable the powder to tangentially enter the dissolving kettle body, so that a relatively large centrifugal force is generated, and a good powder dispersing effect is formed; in the mixing process of the powder and the saturated steam in the dissolving kettle body, mixing of the powder and the saturated steam is promoted, the solubility of the powder is improved under heating of the saturated steam, and on the third hand, the dissolving efficiency of the powder in the saturated steam is improved.

The utility model provides a foam shower head which comprises a switching valve assembly, a handle and a body, a water inlet channel is arranged in the handle, and a first water outlet channel, a second water outlet channel and a containing cavity used for storing bath foam are arranged in the body. The switching valve assembly can enable the water inlet channel to be selectively communicated with the first water outlet channel and the second water outlet channel, the second water outlet channel comprises a Venturi tube section, the Venturi tube section is provided with a negative pressure channel, the containing cavity is provided with a first through hole and a second through hole, the first through hole is communicated with the negative pressure channel, and the second through hole is communicated with the negative pressure channel. The second through hole is communicated with outside air or the second water outlet channel, so that when the water inlet channel is communicated with the second water outlet channel, liquid in the containing cavity can be sucked into the Venturi tube section through the first through hole under the negative pressure effect to be mixed with water flow and then flow out. According to the foam shower head, bath foam water can be automatically sprayed by switching the water outlet channels, and operation is easy and convenient.

The utility model provides a hot water supply device. The hot water supply device comprises a pipeline connecting assembly which comprises a first pipeline and a second pipeline, one end of the second pipeline is detachably connected with one end of the first pipeline, and the first pipeline comprises a bent conveying path; a venturi tube; and an air valve; wherein the conduit connection assembly is connected between the venturi tube and the air valve, the first conduit is removably connected to the air valve, and the second conduit is removably connected to the venturi tube. The hot water supply device has the advantages of being simple, reliable, easy to implement, convenient to use and the like, and reliable pipeline connection can be rapidly established between the air valve and the Venturi tube.

Provided is a venturi. The venturi includes a housing, a first opening / closing part, a second opening / closing part, and a flow rate adjuster. The flow rate adjuster includes a shaft that is rotatably coupled to the housing and that passes through the air passage in an upward / downward direction that is perpendicular to the reference direction, a cam that is integrally and rotatably coupled to the shaft and that applies or releases an external force to the first opening / closing part and the second opening / closing part, and a blade that is integrally and rotatably coupled to the shaft and provided with a plurality of wings.

The utility model provides a cleaning system and relates to the technical field of waste gas treatment. The gas inlet pipe is communicated with the side part of the venturi pipe, the liquid inlet pipe is communicated with the top of the venturi pipe, the leaching tower is communicated with a pipeline at the bottom of the venturi pipe, a first valve is arranged on the pipeline between the leaching tower and the venturi pipe, and a second valve and a third valve are respectively arranged on the liquid inlet pipe and the gas inlet pipe. The venturi tube is communicated with a circulating cleaning pipeline, and an alkali liquor box, a circulating pump and a filter are arranged on the circulating cleaning pipeline. According to the Venturi tube cleaning device, manual cleaning operation is not needed, and the Venturi tube cleaning efficiency is improved.

The invention relates to the technical field of hydrogen bubble water preparation devices, in particular to a device and method for generating nanometer hydrogen bubble water by electrolyzing water. The device comprises a rack, and a water inlet adjusting pipe, a Venturi pipe, a flow guide pipe and a Tesla valve are sequentially fixed to the rack from left to right; the interiors of the water inlet adjusting pipe, the Venturi pipe, the flow guide pipe and the Tesla valve are communicated to form a continuous flow path, one end of the water inlet adjusting pipe is provided with a plurality of adjusting pieces which extend to an inlet of the Venturi pipe and jointly define a variable water outlet part, and the multiple adjusting pieces can be driven by a first driving mechanism to synchronously perform radial expansion and contraction movement; according to the invention, through the arrangement of the complete and progressive treatment procedures of dynamic Venturi effect primary crushing, linkage mechanical stirring secondary crushing, high-speed shearing nanocrystallization and Tesla valve collision homogenization, the concentration of hydrogen in the finally generated nano hydrogen bubbles is obviously improved; the average particle size of generated bubbles is smaller, and the particle size distribution range is more concentrated.

The utility model relates to the technical field of inflating devices, and discloses an inflating device for assembling an air film building, which is characterized in that a centrifugal fan, a venturi tube, a vertical tube and the like are arranged to accelerate the flow velocity of air and introduce other air, and an air inlet of the air film building is hermetically connected with a diffusion section by using devices such as a connecting tube and the like. Then a centrifugal fan and a frequency converter are started, a fan body sucks in external air through an air inlet pipe and blows the external air into an air outlet pipe, the air outlet pipe transmits wind power into a Venturi pipe, then the wind power is compressed through a storage section to enable the wind power to rapidly flow when reaching a throat pipe section, and meanwhile air in a vertical pipe is introduced into the venturi pipe; and the air volume and the air speed blown into the air film building are increased, and the effect of rapidly blowing more air is achieved.

The present invention relates to a Venturi separator, characterized in that the Venturi separator comprises a Venturi tube and a liquid-phase collector tube which encloses at least a part of the structure of the Venturi tube, wherein the Venturi tube comprises the following sequentially connected sections: an optional constant-diameter section, a reduced-diameter section, a neck and an expanded-diameter section, and the Venturi separator has a gas-phase inlet, a liquid-phase inlet, a liquid-phase outlet and a gas-phase outlet, wherein an opening is provided on a side wall of the expanded-diameter section of the Venturi tube or at the end of the expanded-diameter section, the opening leading to the liquid-phase collector tube so that a liquid phase can leave the Venturi tube and enter the liquid-phase collector tube under centrifugal force.The present invention also relates to the use of the Venturi separator in chemical processes.

The application discloses a ventilation equipment for a tunnel, which comprises a tunnel fan, a filter pipe detachably arranged at an air inlet of the tunnel fan for filtering small garbage, a venturi tube arranged at an air outlet of the tunnel fan for pressurizing air outlet and air inlet diversion and filtering large garbage, and a collecting box arranged below an air inlet of the filter pipe for collecting the filtered large garbage. In the application, the venturi tube, the filter pipe and the collecting box are arranged skillfully, which can pressurize the air outlet, improve the ventilation efficiency, form the diversion at the air inlet of the filter pipe, press the garbage at the air inlet into the collecting box, avoid the garbage flying randomly and cause the safety hidden danger, and facilitate the subsequent dismounting and replacement of the filter pipe through the pipe clamp. The collecting box is movably embedded in a bottom frame, which is easy to replace and clean the internal garbage.

The application discloses a foreign matter plugging structure for a Venturi tube, which comprises a plugging assembly embedded in the interior of the Venturi tube, wherein the plugging assembly comprises a sealing layer capable of interference fit with the inner wall of the Venturi tube; and a connecting assembly fixedly connected with the plugging assembly, the connecting assembly being capable of fixed fit with the Venturi tube and limiting the relative position of the plugging assembly in the Venturi tube. The plugging assembly and the connecting assembly are used to effectively plug the interior of the Venturi tube and accurately position the plugging area, thereby solving the problems of unreliable sealing and difficult positioning of the conventional temporary shielding mode and having the advantages of simple installation, reliable sealing and strong adaptability.

The utility model provides a spray gun which comprises a handle and a water outlet head which are connected with each other, the handle is provided with a water inlet channel, the water outlet head is provided with a water outlet channel communicated with the water inlet channel, the water inlet channel is provided with a switch valve core used for controlling on-off of water flow, and the spray gun further comprises a bath bottle rotationally connected to the water outlet head. A breathable cover is arranged on the bath bottle, a liquid outlet hole is formed in the end, connected with the water outlet head, of the breathable cover, a liquid inlet channel is formed in the water outlet head, a Venturi pipeline is arranged in the water outlet channel, the Venturi pipeline is provided with a negative pressure channel, the liquid outlet end of the liquid inlet channel is communicated with the negative pressure channel, and after the bath bottle rotates by a preset angle, the negative pressure channel is communicated with the negative pressure channel. And the liquid outlet hole can be communicated with or staggered from the liquid inlet end of the liquid inlet channel. The spray gun is simple in structure, convenient to use and simple and attractive in appearance.

The invention relates to a soft package chair inner container filling device and a method thereof.The soft package chair inner container filling device comprises a supporting frame and a venturi tube erected on the supporting frame, a rotary drum is rotationally arranged on the outer side of the venturi tube, an adsorption opening is formed in a throat pipe of the venturi tube and communicates with the rotary drum, and a material conveying assembly is arranged on one side of the rotary drum; a feeding assembly is arranged at one end of the rotary drum and connected with the conveying assembly, a blocking assembly is arranged in the middle of the rotary drum, a stirring assembly is arranged at the other end of the rotary drum, a guide rail is arranged at the end of the stirring assembly, and an anti-winding assembly is arranged on the stirring assembly. The stirring assembly is used for dispersing large materials and adsorbing the dispersed materials in the rotary drum into the Venturi tube through the adsorption effect of the Venturi tube, and then the liner is filled with the materials; the problem that the thickness of the inner container is inconsistent due to non-uniform filling materials is avoided, and meanwhile, the situation that the working efficiency of the device is affected due to the fact that the materials are wound on the stirring roller is avoided.

The utility model relates to the technical field of electromagnetic water meters, and discloses an electromagnetic water meter diversion pipe section and an electromagnetic water meter, the electromagnetic water meter diversion pipe section comprises a pipe section, a first flange, a second flange and an inner side plate, a water inlet of the first flange is communicated with a first end of the pipe section, a water outlet of the second flange is communicated with a second end of the pipe section, and the inner side plate is arranged along the flowing direction of water in the pipe section. The area of the cross section of the water inlet is gradually reduced, the area of the cross section of the water outlet is gradually increased, and the structure of the pipeline is a pipeline design which firstly shrinks and then gradually expands and is similar to a Venturi tube; wear-resistant rings are arranged at the joints of the water inlet and the pipe section and the joints of the water outlet and the pipe section respectively; the anti-abrasion ring comprises a clamping groove end arranged at the first end in a sleeving mode and an inclined supporting end extending to the inner side of the water inlet, loss of fluid to the pipeline is reduced, the flow speed of fluid media with the low flow speed is remarkably increased, pressure loss is reduced, and therefore the flow guiding performance of the fluid media is improved.

The utility model relates to fire fighting equipment technical field, more particularly to a kind of venturi with non-return function and fire fighting equipment.Venturi with non-return function includes diffuser pipe, liquid suction pipe, non-return seat, non-return ball and nozzle;Along the height direction of diffuser pipe, diffuser pipe is provided with import end, export end, liquid suction end;Nozzle is detachably set in export end;Liquid suction pipe includes main body and connecting portion connected in sequence, connecting portion has connecting channel, and main body has inner cavity;Non-return ball is set in inner cavity;Connecting portion is detachably connected with liquid suction end, so that connecting channel can be communicated with diffuser pipe;Non-return seat is detachably set in open mouth;The inner diameter of connecting channel and cooperation channel is less than the outer diameter of non-return ball;And non-return ball can resist in inclined surface, to close cooperation channel.Such can improve the condition of fluid backflow in liquid suction pipe.

This utility model relates to the field of dust collector technology, and in particular to a water curtain dust collector, comprising a tower body, a Venturi tube connected to the lower side wall of the tower body, a screen installed on the inner side of the lower part of the tower body, several baffles installed below the screen, and a water collection tank connected to the lower end of the tower body. Both the screen and the baffles are hollow. A sedimentation tank is connected to the water collection tank. The upper outer wall of the sedimentation tank is connected to the screen and baffles via a water supply and heating pipeline. The outlets of the screen and baffles are connected to the water collection tank via a return water pipeline. This water curtain dust collector, by using a hollow screen and baffles and constructing a water circulation heating system using a water collection tank, sedimentation tank, water supply and heating pipeline, and return water pipeline, achieves several advantages. Firstly, the heated circulating water flows within the screen and baffles, increasing their surface temperature and effectively preventing the solidification and accumulation of sticky particles due to temperature reduction, thus solving the problem of flow channel blockage and extending the equipment maintenance cycle.

The utility model provides an emergency repair disinfestation device for a hydrogen sulfide synthesis system, which comprises a base, an alkali liquor storage tank, a first venturi tube, a second venturi tube and a circulating pump, the alkali liquor storage tank and the circulating pump are arranged on the base, the alkali liquor storage tank is divided into a first chamber and a second chamber through a partition plate, and the first chamber and the second chamber are arranged in the first venturi tube and the second venturi tube respectively. Two extension pipes are arranged at the upper part of the alkali liquor storage tank, the upper parts of the extension pipes are fixed at the upper part of the alkali liquor storage tank, and the lower parts of the extension pipes downwards extend to the lower parts of the first chamber and the second chamber respectively; and the lower part of the first Venturi tube is connected with the first chamber through an extension tube. After alkali liquor is fed into the first venturi tube and the second venturi tube through the circulating pump, a negative pressure area is generated in the venturi tubes, and after the negative pressure area is connected with a first-aid repair position, residual hydrogen sulfide at the first-aid repair position can be pumped out and neutralized through the alkali liquor, so that the effects of absorbing and removing harm are achieved, a large amount of time is not required to be consumed for purging and replacing, and the cost is reduced. The efficiency of maintenance operation is optimized, and the operation efficiency of the system is improved.

The invention relates to the technical field of port ship unloading equipment, in particular to a grab ship unloader hopper matched with a Venturi dust removal system. Comprising a hopper main body structure and a Venturi tube connecting pipeline. The hopper body structure is fixed to a ship unloader support supporting beam and comprises a sea side material receiving plate, two wind-shield walls, a land side material blocking plate and a hopper body. When the seaside material receiving plate and the landside material blocking plate are closed, the seaside material receiving plate and the landside material blocking plate form a four-side enclosure structure above the bucket body together with the two wind-shield walls; one end of the venturi tube connecting pipeline is connected with the wind-shield wall and communicated with the interior of the enclosure, and the other end is connected with the venturi wet dust collector. During unloading, the falling seaside receiving plate receives materials falling from the grab bucket, and waste and pollution caused by the fact that the materials enter the sea are avoided; the grab bucket is limited in a semi-closed area by the enclosure structure; negative pressure is generated through the Venturi effect, unloading dust is sucked into the Venturi tube, efficient dust removal is achieved through treatment of the dust remover, flying dust pollution is effectively reduced, and the port environment-friendly operation requirement is met.

The utility model belongs to the technical field of industrial cleaning, and particularly relates to a bubble generator. The bubble generator comprises a venturi tube, the side wall of which is provided with an air pipe communicated with a throat part; one end of the shell sleeves the outer wall of the outlet end of the Venturi tube; the bubble refining assembly is rotationally arranged in the shell and used for rotationally shearing bubbles; the bubble micronization assembly is rotationally arranged in the shell and close to the outlet, and the rotation direction of the bubble micronization assembly is opposite to that of the bubble micronization assembly; when the liquid flows to the shell through the Venturi tube, the gas flows into the Venturi tube through the gas tube; when the gas-liquid two-phase fluid flows to the bubble refining assembly, the bubble refining assembly guides vortex acceleration of the gas-liquid two-phase fluid and shears bubbles; and when the gas-liquid two-phase fluid flows to the bubble micronization assembly, the bubble refining assembly guides the gas-liquid two-phase fluid to reversely rotate and refine the bubbles again.

This invention relates to the field of testing devices and discloses a damper damping force testing device with an automatic clamping mechanism. The device includes a base and a feeding assembly mounted on the base. The feeding assembly includes a feed pipe, a nozzle, a venturi tube, and a feed box. A nozzle is located on one side of the feed pipe, and two venturi tubes are located on the other side. The other ends of the venturi tubes are connected to an external air pump and a water pump, respectively. A feed box is located below the venturi tubes. This invention provides a damper damping force testing device with an automatic clamping mechanism, which solves the problem of overly idealized operating conditions in existing testing devices by integrating an environmental simulation system. It can simulate high dust, rainfall, mud, and even combined extreme environments, and the temperature inside the testing chamber can be adjusted by an external temperature control component, thereby realistically reproducing the varied and harsh operating conditions faced by dampers in actual use.

The present invention relates to a delivery system. In particular, the invention relates to a system for delivery of one or more products to a body of water for treating and / or disinfecting the body of water. The invention further relates to methods of using a delivery system of the invention for delivery of one or more products to a body of water for treating and / or disinfecting the body of water. Even more particularly, the invention relates to a system for delivery of ozone and / or chlorine to a swimming pool or spa for disinfection of pool or spa water.

The invention discloses a venturi tube and a venturi feeding device, and belongs to the technical field of flue gas purification equipment. The venturi tube comprises a rotating throat tube part and a fixed throat tube part, a first channel and a second channel which are communicated in a crossed mode are arranged in the rotating throat tube part, the fixed throat tube part can be contained in the crossed position of the first channel and the second channel, the fixed throat tube part is provided with a third channel, and the inner diameter of the first channel is larger than that of the second channel. The first channel or the second channel can be selectively communicated with the third channel by rotating the rotating throat pipe part, so that a complete Venturi flow channel with a large inner diameter or a small inner diameter is quickly formed to adapt to high and low-load flue gas working conditions, airflow parameters required by material conveying of the circulating fluidized bed can be maintained, and the air supply amount and the system energy consumption are reduced.

The utility model discloses an energy-saving indoor environment regulation and control device and an internet of things system, which belong to the technical field of environment regulation and control, and comprise a case, and a temperature regulation cavity, an energy dissipation cavity, a first semiconductor chilling plate group, a second semiconductor chilling plate group, a Venturi tube, an air outlet pipeline, an air inlet pipeline, a waste gas exhaust pipeline and a control unit which are arranged in the case. All the devices are installed in the machine box, the functions of temperature adjustment, natural ventilation and convenient installation and maintenance can be integrated, one device can replace an air conditioner, a central heating system and a fresh air system, the device does not need to be installed on glass, and the cost is reduced. The device has the advantages of being low in energy consumption and use cost, convenient to install and maintain, environmentally friendly and capable of saving energy, and solves the technical problems that an existing device cannot have the functions of temperature adjustment and natural ventilation at the same time, energy consumption is high, use cost is high, and installation, maintenance and light shielding are inconvenient.

The present disclosure provides a liquid dispensing device, a washing device, and a liquid dispensing method. The liquid dispensing device comprises: a liquid dispensing box, wherein a liquid dispensing cavity is formed inside the liquid dispensing box, the liquid dispensing box is provided with a first through hole, the liquid dispensing box is provided with a liquid inlet, and a first liquid outlet and a second liquid outlet that are in communication with the liquid dispensing cavity; a liquid storage member, wherein a liquid storage cavity is formed inside the liquid storage member, at least part of the liquid storage member is located in the liquid division cavity, and the liquid storage member is provided with a second through hole; a liquid suction pump fixed to the liquid dispensing box, wherein a liquid inlet end of the liquid suction pump is in communication with the liquid storage cavity by means of the first through hole and the second through hole, and a liquid outlet end of the liquid suction pump is in communication with the liquid inlet; and a Venturi tube, wherein the Venturi tube is fixedly connected to the liquid dispensing box, the Venturi tube comprises a funnel-shaped structure and a Venturi tube main body, the part of a constricted section of the Venturi tube main body near a throat is connected to the funnel-shaped structure, the funnel-shaped structure is provided with the largest opening, a negative pressure suction port is formed at the largest opening, and the negative pressure suction port is in communication with the second liquid outlet. In this way, a detergent can be more thoroughly mixed with clothes.

The utility model discloses a multi-parameter measurement adaptation device of an integrated pressure difference transmitter, and relates to the technical field of pressure difference transmitters, in particular to the multi-parameter measurement adaptation device of the integrated pressure difference transmitter, the multi-parameter measurement adaptation device of the integrated pressure difference transmitter comprises two groups of water inlet pipes and a mainboard, one ends of the two groups of water inlet pipes are fixedly connected with venturi tubes, the surfaces of the two groups of venturi tubes are provided with connecting pipes, and the connecting pipes are connected with the mainboard. Pressure difference measuring devices are arranged on the surfaces of the two sets of connecting pipes, water outlet pipes are fixedly connected to the other ends of the two sets of Venturi pipes, the same pressure difference transmitter body is fixedly connected to the surfaces of the two sets of water inlet pipes, and a first temperature sensor and a second temperature sensor are arranged on the surfaces of the two sets of water inlet pipes respectively; a groove is formed in one side of the main plate, the rotary knob is rotated, the two-way lead screw is driven to rotate through the rotary shaft, accordingly, the two threaded blocks and the two arc-shaped plates are driven to move in the opposite directions, the measuring device can be clamped, and the measuring device is convenient to carry by means of the effect of the handle.

The utility model relates to intelligent closestool manufacturing technical field discloses a kind of foaming device of intelligent closestool, including L-shaped casing, the top surface of L-shaped casing is fixedly connected with annular support, annular support is embedded with miniature pump inside, suction tube is inserted with the liquid suction end of miniature pump, and the liquid outlet end of miniature pump is inserted with delivery pipe, one end of delivery pipe is inserted with foaming assembly, and the outlet of foaming assembly is inserted with foam spray pipe, the bottom of L-shaped casing is threadedly connected with liquid storage bottle.The utility model can form "foam shield" in closestool inner wall by foam spray pipe, block the sewage splashed by excrement falling, guarantee user clean comfort, can also adsorb peculiar smell and reduce diffusion;Foaming assembly realizes gas-liquid mixing by venturi tube and air valve, and bubble is refined by annular foaming plate, so that foam is dense, and use effect is improved.

The application provides a pressure type turbid circulating water purification device and purification method, and belongs to the technical field of turbid circulating water treatment. The device comprises a shell, a sludge collecting device, a cyclone coagulation device, a sludge backflow guide cone and a filler sedimentation separation layer which are sequentially arranged in the internal space of the shell from bottom to top. The cyclone coagulation device comprises a water inlet guide cylinder and a guide ring plate arranged at the bottom port of the water inlet guide cylinder. A water inlet pipe is connected to the tangent direction of the water inlet guide cylinder. The top of the sludge backflow guide cone is upwardly arranged, and the bottom end of the sludge backflow guide cone is arranged at the top end of the water inlet guide cylinder. A water outlet chamber is formed above the filler sedimentation separation layer. A water outlet pipe is arranged in the water outlet chamber. The application can solve the problems in the prior art, such as the large local resistance loss and high equipment operation energy consumption caused by the sludge backflow relying on the Venturi tube structure to suck the sludge in the high concentration area, the large structure wear of the sludge backflow part, the influence on the service life of the device and the like.