17results about How to "Adjust flow size" patented technology

The utility model relates to the technical field of wheat breeding, in particular to a wheat breeding fertilizer applicator which comprises a connecting frame and a fertilizer box, rotating shafts are rotatably connected to the left side and the right side of the inner wall of the connecting frame through bearings, the fertilizer box is fixedly connected between the two rotating shafts, and a pouring hopper is fixedly connected to the upper end of the fertilizer box. A limiting mechanism is arranged on the right side of the connecting frame, and the left side and the right side of the inner wall of the fertilizer box are fixedly connected with material guiding blocks. A pouring hopper and a fertilizer box are made to rotate forwards along with two rotating shafts, residual fertilizer in the fertilizer box falls into a container for collecting the fertilizer through the pouring hopper, and the purpose that the residual fertilizer in the fertilizer box can be rapidly poured out after fertilization is completed so as to improve the working efficiency is further achieved; furthermore, a discharging gap in the fertilization opening can be adjusted, and the purpose of conveniently adjusting the flow during fertilization according to actual requirements is further achieved.

This utility model relates to an intelligent water temperature control module, characterized by comprising a flow regulation module, a pressure balancing module, and a temperature control module. The flow regulation module includes a first valve seat and a flow regulating valve core. The first valve seat has a first cold water inlet channel, a first hot water inlet channel, a flow regulating valve core mounting cavity, a first cold water outlet channel, and a first hot water outlet channel. The pressure balancing module includes a second valve seat and a balancing valve core. The second valve seat has a second cold water inlet channel, a second hot water inlet channel, a balancing valve core mounting cavity, a second cold water outlet channel, and a second hot water outlet channel. The temperature control module includes a third valve seat and a temperature control valve core. The third valve seat has a third cold water inlet channel, a third hot water inlet channel, a temperature control valve core mounting cavity, a mixing chamber, and a mixed water outlet channel. Each module exists independently and is independently controlled, simplifying the control method, reducing control and manufacturing difficulty, improving the control accuracy of water flow and temperature, and allowing for selection and combination of different modules.

The utility model provides a flow regulating valve element, and belongs to the technical field of valves. The problems that an existing valve element cannot efficiently adjust and control the flow, the overall assembling stability is not high, and the service life and the using effect are affected are solved. The flow adjusting valve element comprises a valve body and a valve bonnet in threaded connection with the valve body, a valve rod is arranged in the valve body, the top end of the valve rod penetrates out of the valve bonnet, the valve rod can be adjusted up and down, the bottom end of the valve rod penetrates out of the valve body and is sequentially connected with a sealing gland and a sealing gasket, the bottom end of the valve bonnet extends into the valve body, and an elastic piece arranged on the valve rod in a sleeving mode is arranged in the valve bonnet. The valve rod is provided with an abutting table for one end of the elastic piece to abut against, a stainless steel gasket for the other end of the elastic piece to abut against is installed in the valve body, and a clamp spring structure for fixing the valve rod is arranged at the bottom of the sealing gasket. The valve has the advantages of being high in assembly stability, high in sealing performance and capable of adjusting the flow.

The utility model relates to the technical field of filter presses, and discloses an automatic pressure-stabilizing filter-pressing feeding system which comprises a bottom frame, a filter press body is fixedly connected to the top of the bottom frame, a feeding pipe is fixedly connected to the left side of the filter press body, and a discharging pipe is fixedly connected to the position, close to the front face, of the bottom of the left side of the filter press body. A connecting frame is fixedly connected to the left side of the top of the bottom frame, a filtering mechanism is fixedly connected to the left end of a discharging pipe, an adjusting mechanism is arranged at the top of the connecting frame, a connecting pipe is arranged on the left side of the filtering mechanism, and when entering the box body through the connecting pipe, filtrate can make contact with a rubber cleaning plate; the rubber cleaning plate is driven to rotate by utilizing the flow speed of the filtrate, sundries on the left side of the filter plate can be cleaned through rotation of the rubber cleaning plate, so that the filter plate cannot be blocked, then the filtrate enters the feeding pipe through the filter plate, the filter plate can filter the impurities in the filtrate, and the feeding pipe does not need to be replaced.

The utility model provides a fairy shrimp hatching device which comprises a hatching box, and the hatching box is provided with a light source piece, an aeration pipe and a filtering device. The output end of the aeration pipe is opposite to the top of the incubator; the light source piece is positioned below the horizontal height of the output end of the aeration pipe; the filtering device is arranged above the aeration pipe, the filtering device is provided with a filtering channel with the adjustable size, and the passing area of the filtering channel is adjusted, so that egg shells with different sizes and fairy shrimp larvae are thoroughly separated; the light source piece is arranged to attract fairy shrimp larvae, so that the fairy shrimp larvae are far away from egg shells, and when the aeration pipe upwards sprays gas, the fairy shrimp larvae cannot be damaged.

The invention discloses a multi-section cooling tower filler device with a cleaning structure, relates to the technical field of cooling towers, and aims to solve the technical problem that a non-continuous flowing water film and an adsorbed dust film do not have hundred percent impact, so that the dust film on the surface of a filler structure is accumulated, and filler blockage is caused. The outer barrel comprises the outer barrel body, the outer barrel body comprises at least two outer lifting units, the inner sides of the outer lifting units are provided with two annular angle grooves with the cross section being 60 degrees, filler construction is conducted through the annular angle grooves, and a deformable movable barrel body can drive a step plate to form a passing gap with the movable barrel body; spraying water is divided into an outer surrounding flow and an inner surrounding flow through a gap to be in full contact with a filler structure, a continuously flowing water film is formed, hundred percent impact between the continuously flowing water film and an adsorbed dust film is formed, the situation of filler blockage caused by dust film accumulation is avoided, and the service life of the filler is prolonged. Further, the condition of filler blockage caused by dust film accumulation is avoided.

The present invention discloses a fire resistance performance test device and test method for cable trench cover closure measures, including an oil pool, a fire extinguishing device, an experimental box, an oil pan, an oil delivery device, and an image acquisition device. The oil pan leads to the experimental box, and the experimental box includes a bottom plate and a side wall located around the bottom plate. A through hole that passes through the bottom plate is arranged on the bottom plate, a protrusion higher than the bottom plate is arranged on the edge of the through hole, and an oil flow port is arranged on the side wall. The method includes: laying the cable trench cover, applying a load, installing a cotton pad and a temperature acquisition device, inputting transformer oil into the oil pan, igniting the oil pan, simulating flowing fire, testing fire resistance and heat insulation, fire resistance integrity, load-bearing capacity, appearance, sealing, etc. during the experiment, and recording the experimental time; and extinguishing the fire on the experimental site after the experiment. The advantages of the present invention are: it can simulate the transformer oil flowing fire scene, test the fire resistance of the cable trench cover and the gap plugging, evaluate its load-bearing, integrity and thermal insulation performance, provide a selection basis for selection, and avoid the expansion of fire accidents.

The utility model discloses a regulating valve convenient to regulate flow, which relates to the technical field of regulating valves, and comprises a regulating valve main body, a fixed seat is arranged at the upper end of the regulating valve main body, the fixed seat is detachably connected with the regulating valve main body, and a regulating box is arranged in the regulating valve main body. According to the regulating valve convenient to regulate the flow, the rotating disc can drive the threaded column to rotate, the threaded column and the threaded hole in the fixing plate can be in threaded action when the threaded column rotates, and the flow regulating block can be driven to move up and down in the buffer groove through the threaded action; the arc-shaped flow adjusting openings in the two ends of the flow guide block are opened or closed, meanwhile, the opening sizes of the two sets of arc-shaped flow adjusting openings can be adjusted, finally, the flow in the adjusting valve body is adjusted, and the arranged sealing rubber ring can avoid the phenomenon of leakage of the adjusting box. And the arranged filter screen can filter liquid flowing in through the water inlet pipe.

The present invention discloses an inductive control handle, comprising: a handle body, which is provided with an installation groove inside; an inductive control component, comprising a control circuit board and output terminals, a battery component and a sensor respectively electrically connected to the control circuit board; and a decorative cover fixedly connected to the outer side of the installation groove so that the inductive control component is accommodated between the installation groove and the decorative cover. The present invention also discloses a combination device of the above-mentioned inductive control handle and an electric control valve core, comprising an inductive control handle and an electric control valve core detachably connected thereto, wherein the electric control valve core comprises a pulse valve, a water distribution turntable and a body cover. The present invention also discloses an inductive faucet, which comprises a faucet body, a combination device of the inductive control handle and the electric control valve core and a flange cover. The present invention is easy to assemble and disassemble, and the combination device of the inductive control handle and the electric control valve core can be compatible with ordinary faucets, which is convenient for upgrading ordinary faucets to inductive faucets. The inductive faucet of the present invention is time-saving and labor-saving to install and operate, and is easy to maintain.

The utility model discloses environment-friendly dust removal equipment for a building construction site, which belongs to the technical field of building construction dust removal and comprises a base plate and a water tank. The universal wheels are arranged at the bottom end of the base plate, a handrail is arranged on one side of the upper end of the base plate, a water adding opening is formed in one side of the upper end of the water tank, and a water discharging opening is formed in one side of the bottom end of the water tank; the positioning plate is rotationally connected to one side of the upper end of the water tank, a fixing plate is arranged at the upper end of the positioning plate, and a water conveying hose is arranged at the upper end of the fixing plate; according to the utility model, a proper aperture can be selected according to actual requirements by matching the plurality of atomizing spray heads with different apertures on the adjusting disc with the first air cylinder and the driving motor on the positioning plate, so that the flow of the environment-friendly dust removal equipment on the building construction site can be accurately adjusted, the water resource can be saved, and the working efficiency of the environment-friendly dust removal equipment is improved. And different dust removal scenes can be flexibly adapted, the ideal dust removal effect is achieved, and the use practicability of the environment-friendly dust removal equipment on the building construction site is better.

The sauce filling machine capable of adjusting the filling flow comprises a storage bin, a discharging pipe is installed at the bottom end of the storage bin, a sealing cover is arranged at the bottom end of the discharging pipe, and an end cover is installed at the top end of the storage bin. An adjusting mechanism is arranged in the discharging pipe, and a stirring assembly is arranged in the storage bin. The adjusting mechanism comprises a baffle slidably connected to the interior of one side of the discharging pipe, a fixing plate is fixedly connected to the side, close to the baffle, of the discharging pipe, a square ring is slidably connected to the interior of the fixing plate, a threaded rod is in threaded connection to the interior of the top end of the square ring, and the bottom end of the threaded rod is rotationally connected with the fixing plate. Therefore, the effect of rapidly and accurately adjusting the blocking area in the discharging pipe can be achieved, then the effect of accurately adjusting the sauce flow of the discharging pipe is achieved, and the device can easily meet the requirements for different sauces, different containers and different filling amounts.

This invention relates to the field of gas turbine engine technology, specifically to a turboshaft engine aerodynamic adjustment system and its control method. The turboshaft engine aerodynamic adjustment system includes: a compressor; a particle separator with a first air intake on its inner flow channel wall; a first air conditioning flow path, one end of which is connected to the compressor and the other end to the first air intake, the first air conditioning flow path being adapted to adjust the flow rate of compressed air in the introduced airflow channel to adjust the flow field of the particle separator; a power turbine guide vane with a second air intake; and a second air conditioning flow path, one end of which is connected to the compressor and the other end to the second air intake, the second air conditioning flow path being adapted to adjust the flow rate of compressed air introduced into the inter-vane passage of the power turbine to adjust the flow function of the power turbine. The turboshaft engine aerodynamic adjustment system provided by this invention can actively adjust component characteristics according to changes in flight conditions and environmental factors, improving engine performance and environmental adaptability.

The utility model belongs to the field of bin bottom discharging, particularly relates to a discharging device capable of preventing blockage of fine-fraction materials, and aims at solving the problems that when an existing discharging device capable of preventing blockage of the fine-fraction materials is used, the purpose of discharging can be achieved only through respective driving of a motor and a driving mechanism of the discharging device, mechanical energy consumption is large, and maintenance cost is high. According to the technical scheme, the device comprises a bottom plate and a motor, two supporting plates are arranged on the bottom plate, the same storage bin is arranged between the two supporting plates, and the motor is fixedly installed on one of the two supporting plates. According to the utility model, only through the driving of one motor and the matching of all parts, the purpose of preventing material blockage can be achieved, the flow of the material during unloading can be adjusted, the structure is simple and easy to operate, the mechanical energy consumption and the maintenance cost are reduced, and the practicability is greatly improved.

The utility model discloses a boiler flue gas constant wall temperature heat exchange device which comprises a shell, a flue gas inlet pipe and a flue gas outlet pipe are arranged at the two ends of the shell respectively, a heat pipe exchanger is fixedly arranged on the outer wall of the shell in a penetrating mode, a water inlet of the heat pipe exchanger is fixedly connected with a water inlet pipe, and a variable frequency pump and a third temperature sensor are installed on the water inlet pipe. By arranging the variable frequency pump, the flow of a heat exchange medium in the heat pipe exchanger can be adjusted, so that the water outlet temperature of the heat pipe exchanger is improved, the temperature of the heat exchange surface of the heat pipe exchanger is always higher than the acid dew point temperature of flue gas, and sulfuric acid steam in the flue gas is prevented from being dewed on the surface of the heat pipe exchanger; the surface of the heat pipe exchanger is prevented from being corroded; through the arrangement of the ash removal mechanism, dust attached to the surface of the heat pipe exchanger can be removed by starting the ash removal mechanism regularly, so that the device is prevented from being blocked due to ash deposition, and the heat exchange efficiency of the heat pipe exchanger is ensured.

The utility model relates to the technical field of hand flushing kettles, in particular to a hand flushing kettle with adjustable flow. The fixing piece is embedded and fixed on the inner wall of one side of the kettle body, a through hole is formed in the center of the fixing piece, a rotating shaft is screwed in the fixing piece through a bearing, the inner ring wall of the rotating shaft and the inner ring wall of the through hole are arranged on the same arc-shaped surface, a blade is embedded and fixed in the center of the rotating shaft, and two first water passing holes are formed in the blade; the knob sleeves and is screwed to the lower end of the spout, the knob abuts against the interior of a groove in the upper end of the side wall of the kettle body, magnets are vertically and symmetrically embedded in the knob and the rotating shaft, and the two magnets which are bilaterally symmetrical are arranged in a matched and attracted mode; the water retaining piece is embedded in the water outlet, one side of the water retaining piece is located in the spout, two second water passing holes are formed in the water retaining piece, the second water passing holes and the first water passing holes are formed in the connecting position of the spout and the kettle body in a matched mode, the size of the water outlet can be adjusted through matching of the blades and the water retaining piece, and therefore the effect of adjusting the water volume is achieved.

The utility model relates to the technical field of dosing pumps, and discloses a vertical dosing pump convenient to adjust, which comprises a pump body, a motor is mounted on the right side of the pump body, a valve is fixedly connected to the top of the pump body, a dosing pipe is fixedly connected to the front end of the pump body, a filter plate is arranged in the dosing pipe, and the filter plate is fixedly connected to the right side of the pump body. Cavities are formed in the left side and the right side of the medicine inlet pipe, first springs are arranged in the cavities, pulling plates are slidably connected to the bottoms of the cavities, limiting blocks are fixedly connected to the bottoms of the pulling plates, connecting shafts are rotatably connected to the tops of the pulling plates, and second springs are fixedly connected to the tops of the cavities. According to the liquid medicine adding device, particles in liquid medicine can be filtered, the filter plate can be quickly disassembled and assembled, the filter plate can be conveniently cleaned, the filtering effect of the filter plate is guaranteed, the flow can be adjusted, and the medicine adding speed can be conveniently controlled.

The utility model relates to the technical field of nasal feeding, and discloses a novel stomach tube nasal feeding converter which comprises a conversion tube, the left side face of the conversion tube is fixedly communicated with a first connecting tube, the back face of the conversion tube is fixedly communicated with a second connecting tube, and an adjusting mechanism is arranged on the outer side of the conversion tube and comprises a fixing cylinder. A fixing frame is fixedly connected to the inner wall of the fixing cylinder, a fixing plate is fixedly connected to the inner wall of the fixing frame, a rotating plate is rotatably connected to the inner wall of the fixing frame, and flow guide holes arranged at equal intervals are formed in the left side face of the fixing plate and the left side face of the rotating plate. According to the novel stomach tube nasal feeding converter, by arranging the fixing cylinder, the fixing frame, the fixing plate, the rotating plate, a flow guide hole, a connecting block and a pull block, under the action of the pull block, a worker can adjust the flow speed condition of the device by pulling the pull block, the pull block can drive the connecting block to move when being pulled, and therefore under the action of movement of the connecting block, the flow speed of the device can be adjusted. And the rotating plate is driven to rotate.