10results about How to "Change flow rate" patented technology

This invention relates to a vehicle air conditioner, and the object of this invention is to improve the assemblability, maintenance, and repairability of a photocatalyst module by improving the intake housing structure, and to reduce air vortices generated at the air intake port side during air intake by the blower and the rumbling noise caused by these air vortices. To achieve this object, the vehicle air conditioner of this invention includes: an intake section that draws in internal and external air to blow them into the interior space of the vehicle; and a photocatalyst module that releases superoxide radicals into the air blown from the intake section into the interior space of the vehicle to purify the air, wherein the photocatalyst module is disposed on the outer surface portion of the downstream side of the blower housing of the intake section, and interference-avoidance recesses are formed on the outer surface portion of the intake housing corresponding to the periphery of the photocatalyst module disposed in the blower housing.

The invention provides a flue gas waste heat recycling system of a waste heat boiler, and belongs to the technical field of flue gas waste heat recycling, the flue gas waste heat recycling system comprises a combustion furnace, the tail gas discharge end of the combustion furnace is connected with the waste heat boiler, and the waste heat boiler comprises a boiler body, a heat exchanger and a heat exchanger; the water tank is arranged at the top of the pot body and connected with the water supplementing pipe, and an air pressure sensor is arranged in the water tank; through mutual cooperation of the first heat conduction fins, the first driving machine, the second heat conduction fins, the second driving mechanism and the like, the rotation angles of the first heat conduction fins and the second heat conduction fins can be flexibly adjusted through the corresponding driving mechanisms, and the included angles between the fins and the tail gas flowing direction can be adjusted according to the change of the steam pressure of the water tank; and the tail gas flow rate and the heat exchange efficiency are adjusted.

The utility model relates to the technical field of double-fluid atomized oil nozzles, in particular to a double-fluid atomized oil nozzle which comprises a hexagonal flange, a nozzle body and a fixing ring, one side of the hexagonal flange is connected with the nozzle body through a threaded pipe, and a cap head is arranged at the other end of the nozzle body. A connecting pipe is welded to one side of the top of the nozzle body, a filter screen B is connected between the inner walls of the nozzle body through a rotating shaft, a suction valve is installed at the bottom of the nozzle body through a reserved opening and a bolt, a fixing ring is arranged on the side, corresponding to the connecting pipe, of the periphery of the nozzle body, and tightening bolts penetrate through the two sides of the fixing ring. Water flows through the filter screen A and enters the nozzle body, impurities carried in a water source can be filtered out, the phenomenon that the nozzle is blocked is avoided, the filter screen A is detached for replacement and cleaning in the later period, replaceability of local parts is achieved, and the maintenance and replacement cost is reduced.

The invention discloses a high-efficiency heat exchanger capable of preventing high-viscosity waste oil from being blocked, relates to the field of heat exchangers, and solves the problems that the inner wall of a constant-flow-speed device is easy to scale when the high-efficiency heat exchanger is used, and impurities on the inner wall are difficult to continuously assist in cleaning in the using process, the high-efficiency heat exchanger comprises a base, an inner cylinder, a shell cylinder, a heat exchange mechanism and an impurity removal mechanism, the heat exchange mechanism comprises a spiral plate and a rubber gasket, a conveying cavity used for conveying refrigerants is formed in the spiral plate, waste oil is conveyed from top to bottom along the spiral plate through the heat exchange mechanism, the flow speed and shearing force of the waste oil are changed, impurity deposition is reduced, heat transfer is conducted between the waste oil and the refrigerants in the conveying cavity, and energy utilization is achieved; and the impurity removing mechanism drives the shell barrel to rotate slowly, so that the outer wall of the spiral plate and the rubber gasket slide relatively, impurities adhered to the inner wall of the rubber gasket are scraped in an auxiliary mode, accumulation of the impurities is reduced, and blockage is avoided.

The utility model relates to the technical field of atomizing sprayers, and discloses an efficient atomizing sprayer of a dust suppression vehicle, which comprises a ball sleeve and an atomizing ring pipe, a rotating ball is rotatably mounted in the ball sleeve, an external threaded pipe is fixedly connected to the middle of the right end of the rotating ball, a fog gun sprayer is in threaded connection with the right end of the external threaded pipe in a sleeving manner, and the atomizing ring pipe is fixedly connected to the right end of the rotating ball. Adjusting grooves are formed in the middles of the upper side and the lower side of the right end of the ball sleeve correspondingly, rotating rods are fixedly connected to the circle centers of the front end and the rear end of the rotating ball correspondingly, internal threaded cylinders are fixedly installed at the positions, corresponding to the rotating rods, of the front end and the rear end of the ball sleeve correspondingly, and the rotating rods penetrate through the internal threaded cylinders and extend to the outer side. Limiting blocks are symmetrically arranged at the end, away from the rotating ball, of the rotating rod, and the outer side of the rotating rod is sleeved with a rod sleeve. The angle of the spray head of the fog gun can be flexibly adjusted and fixed, operation is convenient, and the spray head can still keep the fixed angle when subjected to external force such as vibration and impact due to the threaded connection mode that the limiting block is matched with the gasket.

This utility model discloses an easily adjustable microbial self-healing concrete testing device, relating to the field of microbial concrete testing devices, specifically an easily adjustable microbial self-healing concrete testing device, including a base, a collection tank fixedly installed at the top of the base, a graduated cylinder fixedly installed at the bottom of the collection tank, the graduated cylinder communicating with the collection tank, a fixing frame fixedly installed at the top of the base, an adjustable pressure pump that can adjust the output power, effectively changing the water pressure and flow rate, thereby making the experimental data more accurate and diverse, a temperature controller is provided, which can be adjusted to different temperatures according to the materials selected in the experiment, observing the repair effect of the repair material at different temperatures, improving the reliability of the data, and a toothed plate and other structures are provided, which, after repeated slow pressurization, can make the cracks of the sample meet the specified range to the greatest extent, thereby facilitating subsequent experiments, reducing the sample discard rate, and reducing experimental costs.

The application discloses a kind of sterile detection equipment for medical instrument, it is related to sterile detection technical field.The present application includes console, the top of the console is fixedly installed with peristaltic pump, the left side of peristaltic pump is provided with pipe clamp assembly, pipe clamp assembly includes mounting block fixedly installed on peristaltic pump, the left side of mounting block is fixedly installed with four groups of guide sleeve, the outside of guide sleeve is provided with sleeve frame, the inside of sleeve frame is rotatably installed with swing sleeve.The present application is driven first lever and second lever to rotate by shelf plate, first lever and second lever can push swing sleeve to swing, and by the setting of special connecting pipe group structure, control flush pipe opens, can simultaneously inject test solution to triple set bacteria collection filter incubator, triple set bacteria collection filter incubator filters test solution, along with shelf plate rotation, infusion tube opens, flush pipe closes, and waste liquid box automatically closes triple set bacteria collection filter incubator bottom drain port, can automatically complete sterile culture operation.

The utility model discloses a valve seat sealing ring with a buffer structure, relates to the technical field of valve sealing, and aims to solve the technical problems that the current sealing ring lacks an effective buffer structure when being impacted by fluid pressure, the sealing ring is easy to deform and damage, the sealing effect is reduced, and leakage is caused. A plurality of buffer cavities used for being filled with hydraulic oil are constructed in the sealing ring, a plurality of partition blocks used for dividing flow channels of the buffer cavities are arranged in the buffer cavities in an array mode, an air cushion is fixedly installed at the top of the sealing ring, and a buffer pad used for protecting the air cushion is further fixedly arranged at the top of the sealing ring. The hydraulic oil is filled in the buffer cavity in the sealing ring and is matched with the separation blocks and the rhombic liquid flowing holes, when the valve seat is impacted by pressure, the hydraulic oil flows through the liquid flowing holes in the flow channels divided by the separation blocks, and the sealing ring has the advantages that the buffer effect of the sealing ring is improved, the compressive deformation resilience strength is enhanced, and the sealing ring is not prone to deformation and damage.

The utility model discloses a machine capable of increasing open type circulation oxygen. The machine comprises a groove body, a bottom frame, supporting legs, a discharge pipe, a reflux pump, a reflux pipe, a supporting frame, a duckbilled pipe, a splitter plate, triangular protrusions and other structures. A splitter plate is obliquely arranged at the top of the tank car, a plurality of triangular protrusions are arranged on the upper surface of the splitter plate, and a duckbilled pipe is additionally arranged at an outlet of the backflow pipe. After flowing out from the backflow pipe through the duckbilled pipe, wine liquid is dispersed in a fan shape and is more dispersed by colliding with the triangular protrusions on the splitter plate, the contact area between the wine liquid and air is increased, full contact between the wine liquid and the air is achieved, the oxygen introduction efficiency is improved, the release amount of carbon dioxide is increased, and therefore powerful support is provided for improving the fragrance and taste of the wine in the later period.

The utility model discloses a water conservancy project protection slope structure, which belongs to the technical field of water conservancy projects and comprises a slope body, a steel bar protection layer is arranged at the top of the slope body, a cement protection layer is arranged at the top of the steel bar protection layer, and a protection mechanism is arranged on the side wall of the cement protection layer. In the process, a steel bar protection layer and a cement protection layer are sequentially arranged on the top of the slope body, a preliminary protection barrier is formed, the effects of blocking water flow scouring and preventing soil loss of the slope body are achieved, the multiple protection plates are placed in the limiting grooves, the limiting grooves have the transverse positioning effect on the protection plates and prevent the protection plates from shaking left and right, and the limiting frames are placed in the clamping grooves. The side wall of the limiting frame makes contact with the protection plate, longitudinal movement of the protection plate is further limited, the protection plate is stably installed on the installation strip, and the protection plate is matched with the limiting frame.