24results about How to "Control pressure" patented technology

The utility model provides a temperature regulating system of a compressed air energy storage chamber, which comprises an artificial chamber horizontally arranged underground, a vertical shaft arranged at the top of the artificial chamber, an air circulating pipeline and a water pipeline, the air circulating pipeline and the water pipeline are arranged in the artificial chamber, and an air inlet and an air outlet at two ends of the air circulating pipeline are oppositely arranged along two sides of the artificial chamber respectively. An axial flow fan is arranged in an air inlet of the air circulating pipeline, the water pipeline comprises a water inlet pipeline and a water outlet pipeline, the water inlet pipeline is communicated with a water outlet of the warm water tank and an in-plant circulating cooling water inlet, the water outlet pipeline is communicated with a water inlet of the cold water tank and an in-plant circulating cooling water return port, and a spiral heat exchange pipe is arranged between the water inlet pipeline and the water outlet pipeline. The spiral heat exchange pipe is embedded in the air circulation pipeline behind the axial flow fan and used for exchanging heat with air in the chamber, adjusting the temperature of the air in the artificial chamber during inflation energy storage and deflation energy release, guaranteeing the structural safety of surrounding rock around the artificial chamber and prolonging the service life of sealing materials in the chamber.

The technical scheme belongs to the field of cutting and slitting machines, and particularly relates to a cutting device of a cutting and winding machine, which comprises a rack, the rack is provided with a cutting mechanism, the cutting mechanism comprises a first knife roll and a second knife roll which are rotatably arranged relative to the rack, the two knife rolls are tangent and matched, and a paper material passes between the first knife roll and the second knife roll; the strip cutting driving part is used for driving the first knife roll to rotate so as to be matched with the second knife roll to cut the paper material into a plurality of material strips; the pressing adjusting assembly comprises an adjusting rod in threaded fit with the first knife roll, the adjusting rod rotates to drive the first knife roll to move relative to the second knife roll, the slitting driving part drives the first knife roll to rotate, and the paper material is continuously cut into material strips when passing through a channel formed by tangency of the first knife roll and the second knife roll; an adjusting rod of the pressing adjusting assembly accurately controls axial displacement of a first knife roll through thread transmission, stepless adjustment of a paper material channel is achieved, the cutting precision is kept, and the adaptability of paper materials of different thicknesses and the equipment maintenance efficiency are improved.

The application discloses a digital oscilloscope variable sampling rate acquisition and storage device, which comprises a data acquisition module, an upper computer, a data preprocessing module and a data cache module. The data acquisition module acquires data and sends the data to the data preprocessing module. The upper computer sets a threshold start position, a threshold end position and a sampling rate increase multiple according to user needs, and sets parameters for the data preprocessing module and the data cache module. According to control signals of the upper computer and the data cache module, the data preprocessing module changes the data extraction multiple, thereby changing the data sampling rate, and sends the data after the extraction to the data cache module. The data cache module caches the data, and sends control signals to the data preprocessing module according to the data cache condition. The application can adopt the variable sampling rate in the same waveform data, so that the user can observe the waveform details without wasting the storage space.

This invention belongs to the technical field of traditional Chinese medicine extraction equipment, specifically relating to an automated sterilization process for the entire pipeline of traditional Chinese veterinary medicine extraction. This application modifies the entire pipeline of traditional Chinese veterinary medicine extraction to meet the requirements of high-temperature and high-pressure steam sterilization. Before the extraction of traditional Chinese veterinary medicine, high-temperature and high-pressure steam is used to sterilize the entire pipeline. Then, the extraction temperature in the extraction tank is controlled to ensure the sterilization of the extract, thereby ensuring that the final oral liquid meets the sterilization requirements. This saves on the terminal sterilization process and allows for direct filling with non-high-temperature resistant packaging, greatly saving manufacturing costs.

The application discloses a novel overspeed protection device, which comprises a device body, wherein the device body comprises a base, a support device, an assembling table, a terminal mounting table, a terminal box and a protection device; the support device is provided in one group, and the support device is fixed on the top of the base through welding; the assembling table is fixed on the top of the support device through welding; the terminal mounting table is fixed on the front end of the assembling table through screws; the terminal box is fixed on the terminal mounting table through screws; and the protection device is installed on the top of the assembling table; the protection device comprises an integrated block, a first electromagnetic valve, a second electromagnetic valve, a hydraulic control reversing valve, a safety oil pipe, a pressure oil pipe, an oil return pipe, a pressure switch and a pressure gauge. The device can more accurately control the flow direction and pressure of oil, can quickly and accurately perform protection actions such as safety oil unloading when abnormal conditions such as overspeed occur, and can guarantee the safe operation of equipment and improve safety.

The utility model discloses a high-precision stationary pollution source carbon dioxide measuring device, which relates to the technical field of carbon dioxide measuring devices and comprises a carbon dioxide measuring device and a smoke sampler, a case is mounted in the carbon dioxide measuring device, a heat tracing pipe is connected between the carbon dioxide measuring device and the smoke sampler, and the heat tracing pipe is connected with the smoke sampler. The flue gas sampling device further comprises a back flushing device, and an output pipe of the back flushing device extends to the flue gas sampler. A touch screen is arranged on the outer side of the machine box, a flowmeter is fixedly installed outside the machine box, a power switch is fixedly installed on the outer side of the machine box, a network port is formed in the machine box, a plurality of DB serial ports distributed at equal intervals are formed in the machine box, the size of the machine box is designed according to the standard in the industry, and the machine box is installed in a standard 19-inch machine cabinet system in a modularized mode. According to the design, real-time online monitoring of organized emission of carbon dioxide from stationary pollution sources is effectively achieved, and a support is provided for national double-carbon work.

The application relates to a liquid rocket engine test heating device, in particular to a liquid rocket engine inner cavity induction heat accumulation type hot nitrogen gas supply device and method, and solves the technical problem that the existing low-temperature liquid rocket engine usually adopts an external hot air forced convection or electric heating wire heating nitrogen gas mode to heat the pipeline and the engine inner cavity nitrogen gas, and it is difficult to meet the low-temperature liquid rocket engine pipeline and engine inner cavity rapid temperature recovery requirement. The liquid rocket engine inner cavity induction heat accumulation type hot nitrogen gas supply device comprises a heating unit, a pressure monitoring unit, a temperature monitoring unit and a control unit; the heating unit comprises a buffer tank and a heating assembly arranged on the buffer tank; an air inlet of the buffer tank is used for being connected with an air source; the pressure monitoring unit and the temperature monitoring unit are arranged on the buffer tank and are connected with the control unit respectively; and the control unit is used for controlling the heating assembly to work according to the inner cavity nitrogen gas temperature and the outer wall temperature of the buffer tank.

The utility model provides an air conditioning system which comprises a compressor, a four-way valve, an outdoor heat exchanger, an outdoor subcooler, a throttling element and an indoor subcooler, the indoor heat exchanger, the outdoor heat exchanger, the outdoor subcooler, the throttling element, the indoor subcooler and the indoor heat exchanger are sequentially connected, and the four-way valve is provided with a first valve port, a second valve port, a third valve port and a fourth valve port. The first valve port is connected to an exhaust port of the compressor, the second valve port is connected to the outdoor heat exchanger, the third valve port is connected to the indoor heat exchanger, and the fourth valve port is connected to an air suction port of the compressor. According to the air-conditioning system, when the air-conditioning system is used for refrigerating or heating, the condensing process and the supercooling process are separately and independently carried out, so that the temperature and the pressure of each process can be more accurately controlled, unnecessary energy loss is reduced, the heat exchange efficiency of each process is higher due to the design of the independent heat exchanger, the overall energy efficiency of the system is improved, and the service life of the system is prolonged. The higher energy efficiency and lower energy consumption also means lower operation cost.

The utility model relates to the technical field of manufacturing of metal packaging containers, and discloses a hemming wheel device which comprises a sliding seat and a base body wheel, a sleeve is slidably connected to the outer portion of the sliding seat, a clamping mechanism is slidably connected to the outer portion of the sleeve, a coating is coated on the outer surface of the base body wheel, and the base body wheel is arranged on the base body wheel. The coating is in direct contact with an iron can opening to complete hemming operation and is used for enhancing the wear resistance of the base body wheel, the clamping mechanism comprises a circular ring, a rotating rod is fixedly connected to the interior of the circular ring, a connecting rod is rotatably connected to the exterior of the rotating rod, and an arc-shaped clamping plate is fixedly connected to the exterior of the connecting rod. According to the iron can edge curling device, the connecting plate is pulled to drive the circular ring to slide, the circular ring enables the connecting rod to drive the arc-shaped clamping plate to be opened through the rotating rod, the connecting plate is loosened after the iron can is placed, the limiting spring is reset, the arc-shaped clamping plate is pushed to clamp and fix the iron can, the iron can is rapidly and stably clamped, and it can be guaranteed that iron cans of different sizes are kept fixed in the edge curling process.

The utility model provides a novel pressurized injection device, and the syringe can be used for injecting pressurized liquid, the fixed seat is provided on the syringe control module, the movable seat is movably arranged on the syringe control module, the injection cylinder of syringe is fixedly arranged on the fixed seat, the piston rod of syringe is fixedly arranged on the movable seat, and the power source part of syringe control module controls the reciprocating movement of movable seat, thereby controlling the reciprocating movement of the piston rod of syringe, and further comprising detection module for detecting the push -and -pull of piston rod. The output port of syringe is connected with pressurized valve assembly control module, and the pressurized valve assembly control module comprises at least two output ports, the communication between the output port of syringe and different output ports is switched through pressurized valve assembly control module, the output or extraction of liquid from different output ports can be realized. The utility model can replace the doctor to execute balloon pressurization in radiation environment, and can make the complicated valve control and syringe bolus operation automation.

The utility model discloses a high pressure-bearing SCR (Selective Catalytic Reduction) denitration reactor which comprises a tank body, the top of the tank body is fixedly connected with a tank cover, the top of the tank cover is fixedly connected with a smoke suction valve, the input end of the smoke suction valve is communicated with a gas inlet pipe, the output end of the smoke suction valve extends to the lower part of the tank cover and is fixedly connected with a flow divider, and the flow divider is communicated with a gas inlet pipe. And the flow divider is fixedly connected with the tank cover. The smoke suction valve, the flow divider and the gas inlet branch pipe are matched, so that gas can uniformly enter the tank body, the denitration reaction uniformity is ensured, the pressure of the tank body can be effectively controlled and the equipment safety is improved through the matching of the pressure control valve and the safety valve, and the supporting ring, the bearing disc, the clamping opening and the clamping frame are matched, so that the safety of the equipment is improved. The catalyst unit is convenient to mount and fix, the structure is stable, and meanwhile, the single unit is convenient to replace after the catalyst is inactivated, so that the use cost can be saved.

This application relates to the technical field of electrically controlled valve assemblies, and in particular to an electrically controlled boom holding valve, including a proportional relief valve, a main valve core, a valve seat, a plunger, a valve cover, a valve block, and a sensor. The valve block has a first flow channel; one end of the first flow channel is closed by a sealing nut, and the other end is sealed to the valve cover. The main valve core, valve seat, and plunger are housed within the first flow channel. One end of the main valve core passes through the valve seat and abuts against one end of the plunger, while the other end extends into the valve cover. The valve seat and main valve core are sealed together. The chamber between the plunger and the sealing nut forms a pilot chamber, which is connected to the output end of the proportional relief valve through a pilot flow channel located within the valve block. An oil inlet is provided in the wall of the first flow channel between the valve cover and the valve seat. A sensor is mounted on the valve block for monitoring pressure signals. This application allows for adjustment of the oil inlet opening size according to actual conditions to regulate the oil flow rate, resulting in a more intelligent and automated effect.

In order to solve the problems that an existing copper foil compression roller device is complex in structure and the pressure of a compression roller is not easy to adjust, the utility model provides an electrolytic lithium battery copper foil winding compression roller device which comprises a supporting frame and a winding roller used for winding copper foil, and the winding roller is rotationally arranged on the supporting frame. The device further comprises a pressing roller, a rotating arm, a telescopic structure and a control structure. Wherein the rotating arm is rotationally arranged on the supporting frame, and the pressing roller is rotationally arranged on the rotating arm; the pressing roller is further arranged corresponding to the copper foil on the winding roller. The two ends of the telescopic structure are rotationally connected with the rotating arm and the supporting frame correspondingly. The control structure is connected with the telescopic structure and used for controlling the telescopic length of the telescopic structure. The structure is simple, the rotating process is stable, and adjustment is convenient.

The utility model relates to the technical field of spraying machines, in particular to a polyurethane polyurea spraying machine which comprises a support, two charging buckets fixedly connected to the support and a supercharging device fixedly connected to the support, the supercharging device comprises a fixing frame, a hydraulic cylinder and two plunger pumps, and the hydraulic cylinder and the plunger pumps are fixedly connected to the fixing frame. A piston rod of the hydraulic cylinder is fixedly connected with the top of a plunger of the plunger pump through a linkage plate; the hydraulic cylinder is connected with an electromagnetic directional valve through an oil pipe; the electromagnetic directional valve is connected with an oil tank through an oil pipe; the oil tank is fixedly connected to the support; inlets of the two plunger pumps are respectively connected with the bottoms of the two material tanks through material pipes; according to the utility model, the pressurizing device is arranged, so that the pressure of materials can be controlled, and the two plunger pumps are simultaneously driven by one hydraulic cylinder, so that the pressure of the materials can be synchronously controlled; and the pressure of the two materials can be kept at a set value, so that the spraying effect is better.

The invention belongs to the technical field of fire-fighting equipment, and particularly relates to a fire-fighting lance with a bidirectional water curtain function. The invention provides a fire-fighting lance with a two-way water curtain function. The fire-fighting lance aims at solving the problem that in the prior art, a fire-fighting lance is unreasonable in structure and can only spray out a water curtain. A fire-fighting lance with a two-way water curtain function comprises a lance body, a handle is arranged on the lance body, a control valve is further arranged on the lance body, and an operation part facilitating operation of the control valve is arranged on the control valve; a first water curtain is formed by spraying out a fire extinguishing material forwards through the spray head, and a second water curtain is formed by spraying out the fire extinguishing material forwards through the front spray holes in the connecting assembly. And the two forward water curtains are matched with each other, so that the coverage area and density of the fire extinguishing material sprayed forwards are greatly increased. When a large-area fire is put out, fire spreading is more effectively controlled, and the fire extinguishing efficiency is improved. The third water curtain can absorb and block heat emitted by a fire source, and harm of heat radiation to firefighters is reduced.

The utility model discloses a separation device for short-process salt-containing wastewater, which relates to the technical field of water treatment equipment and comprises a water delivery pipeline, and a high-pressure pump is arranged on the water delivery pipeline and used for increasing the pressure of raw water in the water delivery pipeline. The filtering assembly is connected with the water conveying pipeline, and the filtering assembly is used for filtering raw water. Wherein a nanofiltration membrane is used as a filtering piece in the filtering assembly. According to the utility model, the high-pressure ozone dissolving technology is introduced, the pressure of the raw water is controlled, the dissolving concentration of the ozone is improved, the partial pressure of the ozone in a gas phase is improved under the high-pressure condition, and the concentration of the ozone dissolved in the raw water is improved to multiple times of that of the conventional ozone. The high-concentration ozone aqueous solution greatly improves the oxidative degradation effect of ozone on organic matters, so that organic pollutants in the wastewater can be more quickly and thoroughly removed.

This invention relates to the field of non-ferrous metal forming technology, specifically to a water film inspection fixture and method for a double-belt continuous casting machine. It includes a frame, on which a tensioning wheel and a driven wheel are mounted. A support roller is positioned between the tensioning wheel and the driven wheel. The tensioning wheel, driven wheel, and support roller form a cooling chamber, within which multiple water spray devices are installed. A bracket is mounted on the outer side of the support roller, and a transparent inspection plate is mounted on the bracket. A high-speed camera is mounted on the outer side of the inspection plate and is electrically connected to an analysis system. This invention, by using a transparent inspection plate, simulates the formation of a working water film by the water spray devices on the steel strip. The high-speed camera tracks and captures the state of the working water film, and the captured images are input into the analysis system. The analysis system compares the captured images with a reference water film, thereby adjusting the water spray devices. This ensures that the cast billet meets process requirements at the initial stage of production, avoiding material waste.

The invention provides a preparation method of an oral three-dimensional occlusion induction type high-angle bone face type appliance, which comprises the following steps: acquiring upper and lower jaw dentition digital models of a child patient, constructing upper and lower jaw tooth digital models of the child patient after occlusion reconstruction of the upper and lower jaws, and then designing a back tooth occlusion relation and a maximum occlusion contact mode after occlusion reconstruction, a design scheme of the invisible tooth socket containing the gap part is obtained, and a design scheme of the flexible filler is constructed. The invisible tooth socket containing the gap part prepared according to the design scheme can be independently used and can also be matched with flexible filler for use. The orthodontic appliance can solve the technical problem that the existing orthodontic appliance is difficult to simultaneously and effectively control the perpendicularity and inclination of front and rear teeth, adjust occlusion induction and tooth uniformity and adjust the inclination of an occlusion plane during deciduous tooth shedding and permanent tooth eruption of a child patient.

The utility model discloses an anti-blocking device for a coal water slurry sampling point, and belongs to the technical field of coal water slurry production and detection. The anti-blocking device for the coal water slurry sampling point comprises a coal water slurry header pipe, the bottom end of the coal water slurry header pipe is communicated with a flushing water pipe, the flushing water pipe comprises an outer pipe and an inner pipe, the inner pipe is installed in the outer pipe, a fluid cavity is formed between the outer pipe and the inner pipe, the inner wall of the inner pipe is communicated with a plurality of nozzles, and the nozzles are communicated with the flushing water pipe. One end of each nozzle is communicated with the interior of the fluid cavity, a water inlet is formed in the outer wall of the outer pipe, one end of the water inlet is communicated with a water inlet pipeline, the bottom end of the outer wall of the inner pipe is communicated with a water outlet pipeline, and one end of the water outlet pipeline extends to the exterior of the outer pipe and is communicated with a one-way valve mechanism; the water inlet pipeline comprises a transverse pipe, and one end of the transverse pipe is communicated with a flushing water pressure controller.

The utility model discloses an automatic waste discharging and winding device for die cutting products, which comprises a machine table, and a material pulling assembly, a pressing assembly and a stripping knife assembly which are sequentially arranged on the machine table, the supporting device is provided with a laminating upper-layer film winding device, an adhesive tape winding assembly, an adhesive tape waste discharge winding device, a laminating device and a finished product winding device; the film covering device and the finished product winding device are located behind the stripping knife assembly. A product enters the material pulling assembly from a feeding port of the material pulling assembly, an adhesive tape is wound on the adhesive tape winding assembly, after the adhesive tape enters the material pulling assembly, a bottom film of the adhesive tape is coated on the product, and adhesive tape waste is wound on the adhesive tape waste discharging and winding device. A protective film is wound at the film coating device, and a product containing an adhesive tape bottom film is coated with the protective film at the material pulling assembly; an upper-layer waste film of the protective film is stripped at the stripping knife assembly and is finally rolled at the laminating upper-layer film rolling device; and the product coated with the protective film is finally wound by the finished product winding device.

This invention relates to the field of medical drainage and fluid management technology, and discloses a multi-channel drainage management device, including a main drainage pipe, a support base, a channel adjustment mechanism, and multiple adjustable peristaltic pumps. Multiple branch pipes correspond to flushing, drainage, and drug administration channels respectively, and are selectively connected to the main drainage pipe through the channel adjustment mechanism. The channel adjustment mechanism employs a rotational selection and positioning limit structure to achieve stable switching of channel connectivity under different operating conditions. Each branch pipe is equipped with a flow sensor and a pressure sensor for real-time monitoring of the pipe's internal conditions and, in conjunction with the main controller, adjusts the operating state of the peristaltic pumps. The peristaltic pumps feature an adjustable squeezing structure and incorporate a manual adjustment mechanism to adapt to pressure and flow control requirements under different fluid conditions. This device enables integrated management of flushing, drainage, and drug administration functions, has a compact structure, and provides reliable channel switching, which helps improve the safety and stability of clinical operations.

The utility model discloses a novel isolating valve for nuclear power, which belongs to the technical field of isolating valves and comprises an outer mounting disc, a first valve body is tightly attached to one side of the outer mounting disc through a sealing base plate, and a second valve body is tightly attached to the other side of the outer mounting disc through a sealing base plate. An assembling mechanism is arranged outside the first valve body and the second valve body, a mounting mechanism is arranged inside the first valve body and the second valve body, and a hydraulic mechanism is arranged inside the mounting mechanism. By arranging the hydraulic mechanism, the conical rubber head can be driven through the hydraulic action to seal the inner end of a pipeline, pressure is concentrated through linear contact or small-area contact of a conical surface, the sealing effect is improved, high pressure can be better borne, and the leakage risk is reduced; and the pressure of the conical rubber head on the inner wall of the pipeline can be controlled to adapt to different working condition requirements.

The utility model discloses a clean room air purification system, including sensing unit, execution unit, control unit, sensing unit and execution unit all are electrically connected with control unit, wherein, sensing unit includes temperature sensor, humidity transducer, pressure sensor, differential pressure sensor, temperature sensor and humidity transducer set up in the temperature and humidity monitoring point of clean room, pressure sensor sets up on the wall of each functional area in clean room, and differential pressure sensor sets up in the entrance and exit of clean room, execution unit includes fresh air unit, dry coil pipe electric valve, dry coil pipe, fan filter, and fresh air unit sets up at the fresh air entrance of clean room, and dry coil pipe electric valve sets up in the pipeline of dry coil pipe, and dry coil pipe sets up in the ceiling interlayer of clean room, and fan filter sets up in the clean room furred ceiling, the utility model has realized the control and adjustment to each environmental parameter in clean room, has guaranteed the production environment in clean room.

A method for separating a mixed feed stream is disclosed, the method comprising: compressing and cooling the mixed feed stream to form a cooled mixed feed stream. The mixed feed stream includes one or more of H2S, CO2, and C2, C3, and C4 hydrocarbons. The method includes separating the cooled mixed feed stream to form a light first separator effluent and a heavy first separator effluent; and separating the light first separator effluent to form a light second separator effluent containing CO2 and a heavy second separator effluent. The method includes reducing the pressure of the light second separator effluent to form a coolant stream and passing the coolant stream through one or more heat exchangers. The method includes separating the heavy second separator effluent to form at least a light third separator effluent and a heavy third separator effluent containing less than or equal to 1000 ppm of C2 hydrocarbons.