196results about How to "Control flow" patented technology

The present invention relates to a pericardiothoracic puncture and effusion drainage device and method thereof, belonging to the technical field of medical puncture equipment. The device includes: a puncture mechanism and an effusion drainage mechanism, the effusion drainage mechanism includes: a sealing disk, on which a liquid inlet tube and a liquid outlet tube are penetrated, the liquid inlet tube is coupled to the puncture mechanism via a hose fluid, and the liquid outlet tube is used to couple to an external effusion storage container; a cylinder, which is rotationally coupled to the occluding disk and is provided with a first chamber and a second chamber; wherein the device is suitable for extracting and discharging effusion from the first chamber and the second chamber alternately by using the liquid inlet tube and the liquid outlet tube via the relative rotation of the occluding disk and the cylinder. In this way, uninterrupted fluid extraction can be achieved in the pericardiothoracic puncture and effusion drainage device.

The invention discloses a ventilation and air exchange device for a green building. The ventilation and air exchange device comprises a ventilation and air exchange box, a mounting plate, a ventilation and air exchange opening, a rotary air disc and fan blades. Mounting plates are fixed to the two ends of the two sides of the ventilation box, fixing pins penetrate through the interiors of the mounting plates, one ends of the fixing pins extend into the green building wall, and ventilation ports are formed in the two ends of the outer side of the ventilation box. According to the ventilation device for the green building, a fan motor is used for driving a linkage shaft to rotate, and a transmission assembly is matched to enable a fan shaft to rotate synchronously, so that two rotating wind discs and a plurality of fan blades are driven to rotate, outdoor fresh air is extracted and fed into the green building, and the ventilation effect is improved. According to the indoor air purification device, vitiated air, harmful gas and microorganisms in a building can be effectively diluted and discharged, so that the indoor air quality is improved, a healthier and more comfortable living environment is provided for people, indoor oxygen can be effectively supplemented, and the freshness and vitality of indoor air are kept.

The invention relates to the technical field of mining oxygen supply regulation, in particular to a mining working face intelligent oxygen supply regulation system which comprises oxygen supply equipment, air purification equipment is arranged on one side of the oxygen supply equipment, one end of the oxygen supply equipment and one end of the air purification equipment are both connected with connecting pipes, and one sides of the two connecting pipes are jointly connected with air hole regulation equipment. And one side of the air hole adjusting equipment is connected with an air supply pipe, and fan equipment is installed at one end of the air supply pipe. Air can be effectively purified through the effect of the purification assembly, disassembly and replacement are convenient, the gas condition in the mine tunnel can be effectively monitored so that whether gas supply is conducted or not can be rapidly controlled, meanwhile, the oxygen content can be controlled, the safety in the mine tunnel is guaranteed, gas can be fully supplied to workers in the mine tunnel, and the working efficiency is improved. And fixed-point oxygen supply can be carried out according to the conditions in the mine tunnel, and the gas quality in the mine tunnel is improved.

The present invention provides a precise proportioning fermentation device for tricholoma matsutake beverage production, and relates to the technical field of beverage proportioning fermentation, the precise proportioning fermentation device comprises a mixed fermentation mechanism, the mixed fermentation mechanism can be used for preparing a beverage and storing the prepared beverage, the mixed fermentation mechanism is arranged at the top of the mixed fermentation mechanism, and the conveying mechanism is arranged at the bottom of the mixed fermentation mechanism. Raw materials are injected into the mixed fermentation mechanism from the conveying mechanism, the proportioning mechanism is arranged above the conveying mechanism, and the proportioning mechanism extends into the conveying mechanism and is matched with the conveying mechanism to control the injection amount of the raw materials. During use, the internal volume of the metering cylinder is changed through the volume piston in advance, then raw materials are fully injected into the metering cylinder through the feeding pipe, then the bottom of the metering cylinder is driven to exceed the bottom of the proportioning pipe for discharging, and the feeding pipe is sealed through the outer surface of the metering cylinder to avoid leakage; meanwhile, the flow speed of the raw materials in the metering cylinder is increased through extrusion of the volume piston, and the effect of improving the fermentation matching accuracy is achieved.

The invention discloses a quantity-controlled feeding device of an additive for producing a nanometer purple light reflecting film and a using method, the quantity-controlled feeding device comprises a feeding box, supporting frames are symmetrically and fixedly welded to the two sides of the periphery of the feeding box, a base is fixedly connected to the bottoms of the two supporting frames, and a filter plate is fixedly welded to the interior of the feeding box; material leakage openings are formed in the surface of the filter plate, the lower end of the filter plate is rotationally connected with a control plate, through holes are formed in the positions, corresponding to the material leakage openings, of the surface of the control plate, the lower end of the control plate is fixedly connected with a fixing column, and the lower end of the fixing column is fixedly connected with a bevel gear; according to the quantity-controlled feeding device of the additive for producing the nanometer purple light reflecting film and the using method, through cooperation of the bevel gear and the bevel gear, the control plate rotates, the space rotation angle between the through hole and the material leakage opening is controlled, the gap between the control plate and the filter plate can be adjusted, and therefore the corresponding flow is controlled.

The utility model relates to an electromagnetic pulse valve, which belongs to the technical field of electromagnetic valves and comprises a valve body and a valve cover, the valve body is fixedly connected with the valve cover, a diaphragm is arranged at the joint of the valve body and the valve cover, a positioning device is further arranged on one side of the diaphragm close to the valve cover, and the positioning device is arranged on one side of the diaphragm close to the valve cover. The diaphragm is connected with the positioning column, when the diaphragm is opened and closed, the positioning column slides in the sliding groove, the limiting block arranged on one side of the sliding groove is matched with the clamping groove formed in the positioning column, the opening degree of the diaphragm can be accurately controlled, and the flow and pressure of gas in the electromagnetic pulse valve are further controlled.

The invention relates to 3D micro-fluidic printing equipment which comprises a base, a supporting seat and a supporting arm are installed on the upper surface of the base, a bottom plate used for containing a printed product is arranged on the upper surface of the supporting seat, a spray head support is movably arranged on the front side of the supporting arm, and a 3D micro-fluidic printing spray head is fixedly connected to the bottom end of the spray head support. And a boss is arranged on the front side of the 3D micro-fluidic chip. According to the invention, gas and a material are respectively introduced into the 3D micro-fluidic chip through the inlet A and the inlet B, and after the gas and the material in the bubble generation layer are converged, the material containing a large number of bubbles is generated and is used for printing the porous piezoelectric gel; by adjusting the depths of bolts in a continuous-phase threaded hole A, a continuous-phase threaded hole B, a continuous-phase threaded hole C, a continuous-phase threaded hole D, a dispersed-phase threaded hole A, a dispersed-phase threaded hole B, a dispersed-phase threaded hole C and a dispersed-phase threaded hole D, the pressure of gas and the flow of materials are controlled, and porous piezoelectric gels with different porosities can be prepared. And the piezoelectric material has different piezoelectric properties.

The utility model belongs to the technical field of chemical raw material processing, and particularly relates to a solid feeding device for chemical raw materials, which comprises a feeding hopper, a rotating shaft rotatably mounted between two sides of the feeding hopper, a screen mounted on the outer wall of the rotating shaft, a sliding rod fixedly mounted on the bottom side of one end of the screen, a support plate fixed on one side of the feeding hopper, and a rod hole penetrating through one end of the sliding rod. An arc-shaped block is fixedly connected to the bottom side of the sliding rod, a rotating shaft is installed at the output end of the driving motor, and a cam is installed on the outer wall of the rotating shaft; the chemical raw materials are screened through the screen, large-particle impurities are intercepted by the screen, the driving motor is started, the output end of the driving motor drives the rotating shaft and the cam to rotate, and when the cam makes contact with the arc-shaped block, the arc-shaped block and the screen are pushed to reciprocate, so that the chemical raw materials on the screen are vibrated and can be screened through the screen more easily; and large particles in the raw materials can be conveniently screened, the mixing uniformity is guaranteed, meanwhile, the screen is made to vibrate, and the screening effect is improved.

The utility model relates to the technical field of thermal management of vehicles, in particular to a thermal management system of a vehicle and the vehicle, and aims to solve the problem that the heating capacity of a thermal management system of an existing new energy vehicle is insufficient in a low-temperature environment. Therefore, the heat management system comprises a compressor, an air conditioning box assembly and a gas-liquid separator, the two ends of the air conditioning box assembly are communicated with an exhaust port of the compressor and an inlet of the gas-liquid separator respectively, an outlet of the gas-liquid separator is communicated with an air return port of the compressor, and the heat management system further comprises a circulating pipe connected with the air conditioning box assembly in parallel. By arranging the circulating pipe, the compressor and the gas-liquid separator form a self-circulation heating loop, so that the compressor can cyclically compress a refrigerant in the self-circulation heating loop, the compression density and the compression temperature of the refrigerant are improved, the flow and the temperature of the refrigerant entering the air conditioning box assembly are improved, and the service life of the air conditioning box assembly is prolonged. The heating capacity of the thermal management system of the vehicle in the low-temperature environment is improved, and the use experience of a user is improved.

The present invention relates to the technical field of condensers, and discloses an integrated temperature control optimized condenser system, comprising an outer tube, a bracket arranged at the bottom of the outer tube, covers arranged at both ends of the outer side of the outer tube, a refrigerant joint arranged at the outer side of the outer tube, a cooling medium joint arranged at the outer side of one end cover, a mounting plate arranged inside the outer tube, a heat exchange tube arranged in the mounting plate, and also comprises an adjustment component arranged on the surface of the mounting plate, and a control component arranged on the surface of the adjustment component. The integrated temperature control optimized condenser system, by setting the adjustment component, controls the movement of a corresponding number of adjustment strips when the temperature needs to be adjusted, so that a certain proportion of the connecting holes are docked with the docking port, and only needs to replace this part of the heat exchange tubes during maintenance, thereby extending the service life of the entire equipment, and thus ensuring the flow rate of the cooling medium in the heat exchange tubes, avoiding the accumulation of impurities in the cooling medium, and ensuring the heat exchange efficiency of the heat exchange tubes.

The invention relates to the technical field of waste gas treatment, in particular to a waste gas adsorption fixed bed air uniformizing device which comprises an air inlet pipe installed on an air uniformizing box, an adjusting mechanism for adjusting the amount of waste gas entering the air uniformizing box is arranged on the air inlet pipe, and the adjusting mechanism is fixed to one side of the air uniformizing box. A flow guide mechanism for guiding waste gas to directionally flow in the air uniformizing box is arranged in the air uniformizing box, and a cleaning mechanism for removing dust in the air uniformizing box is arranged on the air uniformizing box. According to the waste gas treatment device, the flow guide mechanism is arranged, in the waste gas treatment process, waste gas is guided, waste gas backflow can be prevented, gas can be evenly distributed in an air distributing box, and a filter plate can be rapidly and conveniently disassembled and assembled; according to the waste gas treatment device, the speed and flow of waste gas entering the treatment device can be controlled, and dust on the filter plate can be scraped off in the process of drawing the filter plate by arranging the dust removal mechanism.

The invention discloses a three-way valve, which belongs to the technical field of three-way valves and comprises a three-way pipe fitting, three groups of butterfly valves, three groups of transmission mechanisms and a driving box, the three groups of butterfly valves are fixedly mounted at three ports of the three-way pipe fitting respectively; the butterfly valve comprises a valve body and a valve clack, a valve rod is fixedly mounted on the valve clack, and the valve clack is rotatably mounted in the valve body through the valve rod; a second groove is formed in the arc face of the valve clack, and an expansion and shrinkage piece is fixedly installed in the second groove. The three-way valve with a three-way switch function is formed by combining the three-way pipe fitting and the three butterfly valves, the three-way valve can adapt to control switching of the flow direction of a medium in a large-diameter pipeline, and the problem of limitation of a ball valve tee joint on the diameter size is solved; according to the three-way valve, airtight protection is additionally arranged on the three sets of butterfly valves, so that the butterfly valves have good airtightness, leakage is not prone to occurring when the butterfly valves face large calibers and high pressure, the safety of the three-way valve is greatly improved, and the three-way valve can stably run for a long time.

The utility model provides a system for preparing glyphosate by oxidizing N-(phosphonomethyl) iminodiacetic acid. The system comprises a high-pressure reactor and a built-in strengthening unit, at least two catalyst bed layers are arranged in the high-pressure reactor, each catalyst bed layer is arranged below the liquid level in the high-pressure reactor, and a built-in strengthening unit is arranged between every two adjacent catalyst bed layers; the built-in strengthening unit comprises a first strengthening reactor and a receiving disc arranged under the first strengthening reactor, the receiving disc is of an inverted arc-shaped concave structure with a low center and a high edge, an acceleration area is arranged in the center area of the receiving disc, and the acceleration area is arranged opposite to an outlet of the first strengthening reactor. According to the system disclosed by the utility model, oxygen and a N-(phosphonomethyl) iminodiacetic acid solution are crushed and dispersed into micron-sized bubbles through the enhanced reactor, so that the dissolution rate of oxygen and the oxidation reaction rate are greatly improved, and the conversion rate of raw materials is improved.

The invention discloses a Schottky diode with a transverse structure, an in-situ sample preparation method and a processing technology. The cathode and the anode of the Schottky diode are in the same plane, the cathode ohmic contact layer is arranged on the periphery of the structure, the anode Schottky metal layer is arranged in the center of the structure, and the AlGaN barrier layer and the GaN substrate layer are sequentially arranged between the cathode ohmic contact layer and the anode Schottky metal layer. According to the in-situ sample preparation method, the FIB sample preparation technology and the selected area circuit breaking method are adopted to complete connection of the sample and the chip, the failure behavior of the device can be observed in real time under a transmission electron microscope, and the processing technology achieves effective isolation of the anode and the two-dimensional electron device through silicon oxide in the sample preparation process. Meanwhile, silicon oxide isolation can prevent short circuit of a power supply, so that a current passing path is shorter, the efficiency is higher, and the surface of a sample and a metal functional area below the sample can be effectively prevented from being damaged when ion beams are operated. The problems of low device power conversion efficiency, electrode short circuit and the like are solved.

The utility model relates to a motorcycle balance rod which comprises a cylinder body, a piston rod and a one-way valve, the piston rod is arranged in the cylinder body to do axial movement, the one-way valve is arranged in the center of the piston rod and arranged in the cylinder body, and end covers are arranged at the positions, located at an opening of the cylinder body, of the two ends of the piston rod. The adjusting hand wheel is rotatably connected with the cylinder body, the adjusting hand wheel is provided with an abutting part, an abutting groove abutting against the abutting part is formed in the end cover, the adjusting hand wheel is provided with an adjusting part located at the bottom end of the abutting part, the adjusting part is arranged in the end cover, the adjusting part is provided with adjusting grooves from deep to shallow, the adjusting grooves are communicated with the interior of the cylinder body, and the end cover is provided with through holes communicated with the adjusting grooves. By arranging the adjusting hand wheel and the adjusting groove, the damping force and controllability of the motorcycle are improved, jumping of the front wheel during high-speed driving or emergency braking can be reduced by reasonably adjusting the damping force, and better tire grounding performance is kept.

The invention discloses a variable-flow submersed nozzle based on continuous cast steel production, and relates to the technical field of submersed nozzles, the variable-flow submersed nozzle comprises a base, the top surface of the base is provided with a flow control mechanism used for controlling the flow of cast steel liquid, and the top surface of the base is provided with an auxiliary flow mechanism used for assisting the flow of the liquid steel; the flow control mechanism can be blocked in the submersed nozzle, so that the flowing space of molten steel in the nozzle is reduced, the flow of the molten steel is controlled, a stop block is relatively simple to use, a complex flow control system and related equipment are not needed, the complexity and cost of the system are reduced, potential fault points are reduced, and the service life of the system is prolonged. The auxiliary flowing mechanism can knock the isolation plate, impurities attached to the isolation plate can be shaken off by knocking the isolation plate, the cleaning effect is achieved, blockage of a water gap can be reduced by cleaning the blocked isolation net, the fluidity of molten metal is improved, and therefore the production efficiency is improved, and the rejection rate can be reduced and the product quality can be improved by cleaning the blocked isolation net.

The conveying device for food processing relates to the technical field of agricultural product conveying and comprises a bottom frame and a conveying pipe, the conveying pipe fixedly communicates with the bottom frame, an auger is arranged in the conveying pipe, a conveying motor is installed on the bottom frame, and the end, away from the conveying motor, of the conveying pipe fixedly communicates with a discharging pipe; the end, away from the conveying pipe, of the discharging pipe vertically faces the bottom of the bottom frame, a discharging blocking assembly is arranged on the discharging pipe and comprises a supporting frame, and the supporting frame is fixedly connected to the outer side wall of the top of the discharging pipe. Through operation of the blanking retarding assembly, an existing continuous unloading process is converted into an intermittent unloading process, so that flowing solid materials discharged out of the blanking pipe are retarded, and the flowing solid materials are prevented from rapidly rushing out of the blanking pipe due to gravity, inertia force of spiral conveying and thrust generated by the flowing solid materials conveyed at a low position; damage caused by collision between flowing solid materials and collision between the flowing solid materials and structures around the discharging pipe can be effectively avoided.

The invention relates to the technical field of heat preservation containers, and particularly discloses a split type heat preservation container which comprises a kettle cover and a kettle body. The combined spout is arranged between the kettle body and the kettle cover, the flow guide part of the spout can guide water flow to form dispersed flow, the dispersed flow is gathered and flows out through the central flow guide groove and the side flow guide grooves, and it is guaranteed that water is discharged smoothly and is not prone to splashing. The kettle cover adopts the hollow design of the upper cover body and the lower cover body, the structure is stable, and the heat preservation effect is good. The design of the switch handle enables operation to be more convenient, and the water outlet can be opened only through simple pressing. And due to introduction of the valve body assembly, accurate control over the water outlet is achieved. In addition, the connection mode between the installation body and the kettle body is flexible and diverse, the connection stability is guaranteed, and disassembly and cleaning are convenient. The curve design of the grasping part not only is attractive, but also realizes firm connection with the kettle body through the connecting assembly. The heat preservation container is convenient to operate, good in heat preservation effect and easy to clean, and the diversified requirements of people for the heat preservation container are met.

The application relates to a pressure-reducing well pressure-bearing backfilling and plugging device and method, which adopts a pressure-reducing well pressure-bearing backfilling and plugging device and a plugging process of filling materials in stages. First, an axial compression rubber sealing ring is used to make the rubber sealing ring radially expand and tightly contact with the inner wall of a well pipe to form a sealing structure, then the sealing structure is used to control the water body pressure and flow trend in the well to form a water isolation section, and a pressure pump of a filling material function module is used to pump the first filling material into the space below the sealing structure in the well pipe through the steel pipe to complete the first filling material pumping; after the first filling material solidification is completed, the second filling material is poured into the space above the sealing structure in the well pipe, and after the second filling solidification is completed, the backfilling and plugging complete the second filling material pumping. Through the characteristics that the rubber ring is more compact after being radially extruded and deformed, the rubber ring and the pressure-reducing well wall are tightly compacted, so that the water isolation and sealing effects are achieved.

The utility model discloses a device for impregnating a carbon composite material with resin, and relates to the technical field of resin processing. The device comprises a box body, a cover plate is connected to the top of the box body in an inserted mode, two sealing covers are fixedly connected to the interior of the cover plate, extrusion assemblies are arranged in front of and behind the box body, and a heating and pressurizing base is fixedly connected to the bottom of the inner wall of the box body. The extrusion assembly is arranged, specifically, the cover plate covers the top of the box body, at the moment, the two sealing covers on the cover plate are connected with the top of the impregnating tank and the top of the resin melting tank in an inserted mode respectively and make contact with sealing rings in the sealing covers, then the pressing plate is overturned to the top of the cover plate, the nut is connected with the threaded shaft in a threaded mode, and the pressing plate is extruded; the cover plate is pressed downwards to be fixed, at the moment, the sealing ring extrudes the top of the resin melting tank and the top of the impregnating tank, the situation that the sealing ring is loosened can be reduced, and therefore the sealing effect is improved, and air and impurities are prevented from entering.

A vehicle spring forming processing device belongs to the technical field of spring forming processing. A left spring force applying seat and a right spring force applying seat are placed close to each other, a main control motor drives the device seat to rotate, a sand body wraps the two ends of the vehicle spring, and low-temperature liquid nitrogen enters the left processing chamber and the right processing chamber. Due to the rotation of the device seat, the sand bodies in the left processing chamber and the right processing chamber are wrapped around the two ends of the vehicle spring by the influence of centrifugal force, so that the two ends of the vehicle spring are protected from the influence of low-temperature nitrogen. By opening the electromagnetic heating coil located outside the sand body, the two ends of the vehicle spring are not affected by the low temperature, so that the middle part of the vehicle spring is cryogenically treated by low-temperature nitrogen. By rotating the adjusting screw to displace the position of the adjusting plate, the compression amount of the vehicle spring is controlled, and the desired forming effect of the vehicle spring after cryogenic treatment is obtained.

The utility model relates to the technical field of water purifier descaling, and discloses an efficient descaling water purifier which comprises a water purifier shell, filter bottles, a threaded cover, a threaded groove and filter elements, the inner wall of the water purifier shell is fixedly connected with five groups of filter bottles, the tops of the five groups of filter bottles penetrate through the top of the water purifier shell, and the inner walls of the five groups of filter bottles are provided with the filter elements. Threaded grooves are formed in the outer sides of the tops of the five sets of filter bottles, threaded covers are in threaded connection with the outer sides of the threaded grooves, when a traditional water purifier needs to be used for descaling, a user often needs to search and carry a descaling agent by himself, time and labor are consumed, and the descaling effect is possibly affected due to the fact that the variety or the dosage of the descaling agent is improper. And according to the design, the storage structure is integrated at the top of the threaded cover and specially used for storing the descaling agent, so that the descaling agent can be taken at any time, and the preparation work before descaling is greatly simplified.

The high-pressure stop valve comprises a valve body, the top of the valve body is fixedly connected with a fixing seat, a valve rod is connected to the top of the fixing seat in an inserted mode, a mounting plate is fixedly connected to the right side wall of the fixing seat, a clamping block is connected to an inner cavity of an adjacent clamping groove in a clamped mode, and a threaded pipe is arranged at the bottom of the clamping block. According to the high-pressure stop valve, the threaded pipe is rotated through the operating rod and moves in the direction away from the threaded rod, so that the movable rod turns over in the direction away from the rocking wheel with the first pin shaft as the center, the movable rod drives the clamping block to turn over to be away from the clamping groove, and fixing of the rocking wheel is released; then the valve body is closed and opened by rotating the rocking wheel, the threaded pipe is reversely rotated through the operating rod, so that the clamping block is clamped in the inner cavity of the adjacent clamping groove, and the rocking wheel is fixed, so that the rocking wheel is prevented from rotating due to misoperation or collision, the flow of the valve body is controlled, and the control precision of the valve is improved.

The utility model relates to the technical field of aluminum electrolysis production, in particular to an anti-seepage material pouring device for assembling a cathode carbon block of an aluminum electrolysis cell, and aims to solve the problem that in the assembling process of the cathode carbon block of the aluminum electrolysis cell, the assembling of the cathode carbon block is carried out in a traditional manual hoisting and charging barrel pouring anti-seepage material mode; and therefore, the problems that the work intensity of operators is high, the pouring amount is difficult to control, the waste of anti-seepage materials is serious, and the assembly of cathode carbon blocks and the overall production efficiency of the aluminum electrolysis cell are influenced are solved. The device is mainly composed of a trolley bottom plate, a hopper, a material blocking plate, a material leaking plate, a rotating handle and the like, the hopper is installed at a movable trolley bottom plate installation hole, a first handle is used for driving a first material blocking plate to be matched with rotation of a material leaking hole to be correspondingly opened and closed, and therefore anti-seepage materials in the hopper can be controllably and rapidly leaked, and pouring is conducted. The pouring flow of a unit hopper is effectively controlled, waste caused by manual pouring is avoided, and then the overall pouring efficiency of the anti-seepage material is improved.

The utility model discloses a pressure stabilizing control valve with a double-cavity structure, which comprises a valve body, two sides of the valve body are fixedly connected with connecting pipes, the inside of the valve body is fixedly connected with a partition plate, the inside of the partition plate is fixedly connected with a water through ring, and the top end of the valve body is movably connected with a mounting cylinder. According to the pressure stabilizing control valve of the double-cavity structure, the positioning base is arranged, a positioning bolt is rotated to be separated from the interior of a threaded hole after being used for a long time, then a positioning disc can be pulled to detach the mounting barrel from the top end of the valve body, and then a spring in the mounting barrel can be detached to be rapidly replaced; the situation that the pressure stability is affected by fatigue due to long-time work of the spring is prevented, after completion, the mounting cylinder is inserted into the positioning base, meanwhile, the positioning disc is attached to the top end of the positioning base, the positioning bolt penetrates through the positioning disc and then is rotated into the threaded hole, and therefore the mounting cylinder is positioned through the positioning disc, and the problem that the pressure value is not stable enough after long-time work is solved.

A method of dispensing a therapeutic fluid from a line includes providing an inlet line connectable to an upstream fluid source. The inlet line is in downstream fluid communication with a pumping chamber. The pumping chamber has a pump outlet. The method also includes actuating a force application assembly so as to restrict retrograde flow of fluid through the inlet while pressurizing the pumping chamber to urge flow through the pump outlet. A corresponding system employs the method.

The present invention discloses an air conditioner indoor unit and an air conditioner. The air conditioner indoor unit includes a casing, a fan, a heat exchanger, a vortex ring generator and a door assembly. The casing has an inner cavity, an air inlet connected to the inner cavity and an air outlet connected to the inner cavity. The fan is installed in the inner cavity, the heat exchanger is installed in the inner cavity, the vortex ring generator is installed in the casing, and the door assembly is installed in the casing and located at the front end of the vortex ring generator, wherein the door assembly can be opened and closed to adjust the size of the vortex ring generator blowing. In the air conditioner indoor unit disclosed by the present invention, air passes through the vortex ring generating device to form a vortex ring airflow, which can effectively expand the air supply range and air supply distance of the air conditioner indoor unit, reduce energy consumption, and provide a good blowing experience. In addition, by setting the door assembly, the door assembly can be opened and closed to adjust the size of the vortex ring generator blowing, so that the flow rate and flow rate of the blown gas can be controlled to obtain different blowing experiences.

The utility model relates to a kind of driving structure, belong to microfluidic chip technical field, specifically a kind of liquid driving structure of microfluidic chip;In the utility model, when elastic film is used for a long time, limit frame is removed, so that limit frame and fixed frame separate, then elastic film is removed, new elastic film is sleeved on limit column, then limit frame is covered, and elastic film is fixed, so that elastic film is replaced easily, cooperation is carried out by motor, carousel, threaded rod, threaded block, connecting column, sliding frame and extruding roller, the speed of reciprocating movement of extruding roller is adjusted by the rotation of motor, so as to adjust the flow rate of liquid, when the flow of liquid needs to be adjusted, threaded rod is rotated, since threaded block is screw thread connected on threaded rod, so threaded rod moves along with the rotation of threaded block, drives connecting column to move, so that the range of sliding frame movement reduces, the extrusion degree of extruding roller to elastic film is reduced, so as to control the flow of liquid, improve the practicability of the device.

The utility model provides a waste heat recovery device for a steam pipeline, belongs to the technical field of waste heat recovery, and aims to solve the problems that high-temperature and high-pressure steam is transmitted for a long time in a conveying pipeline with too many bends, the consumption is high, the efficiency of converting the high-temperature steam into electric energy is not high, a pipeline system is complicated, and the conveying process needs to be detected. The heat utilization mechanism is mounted in the steam conveying pipeline; one end of the conveying mechanism is fixedly communicated with the heat utilization mechanism; the liquid control mechanism is communicated with the conveying mechanism; the steam conveying pipeline is arranged in the steam boiler and is resistant to high temperature and corrosion, the heat preservation performance is high, and a steam pipe network is monitored in real time; the heat utilization mechanism is inserted into the steam conveying pipeline to improve the steam utilization rate; high-temperature and low-temperature liquid flows in or out in a one-way mode, and auxiliary absorption of waste heat is rapidly completed.