103results about How to "Reduce opening" patented technology

The invention discloses a natural gas supply device for an industrial furnace, which relates to the technical field of gas supply systems for industrial furnaces, and comprises an annular guide rail which is arranged at the side end of a gas inlet flow regulation and control valve pipe in a sleeving manner and is used for driving an adjusting shaft and an ultrasonic generator to be positioned at the side end of a gas inlet pipeline to carry out ultrasonic frequency emission regulation and control, under the cooperation of the oxygen-containing regulation and control assembly, the oxygen content proportion in the natural gas in the oxygen-containing conveying pipe is rapidly corrected, the precise oxygen content needed by combustion of the industrial furnace is guaranteed, super-uniform mixing of natural gas and oxygen is integrally achieved, the incomplete combustion phenomenon caused by fluctuation of the oxygen content is reduced, and the heating effect and the product quality are improved; and under the cooperation of the ultrasonic adjusting assembly, more complex pipeline impurity conditions can be treated, so that emission parameters and reflection angles of self-adaptive automatic adjustment ultrasonic waves are formed, natural gas conveying is smoother, and therefore the combustion stability and heat efficiency of the industrial furnace are improved.

The invention relates to the technical field of seawater desalination, and particularly provides an effect body evaporator, a low-temperature multi-effect distillation seawater desalination system and a low-temperature multi-effect distillation seawater desalination method. When the steam extraction circulating unit extracts steam, the opening degree of a flexible communicating hole in the double-flow-channel heat exchange pipe is gradually increased, so that most of steam entering the heat exchange pipe flows to an intermediate-effect evaporator through a main flow channel; and under the condition that the flow of the steam received by the first-effect evaporator is reduced, the flexible communication hole is gradually reduced, so that most of the steam entering the heat exchange pipe is subjected to heat exchange through the auxiliary flow channel under the action of the steam extraction pressure difference, and therefore, efficient utilization and heat energy recovery of the steam in the low-temperature multi-effect distillation seawater desalination system are realized, and the energy consumption is reduced. And meanwhile, scaling of the outer wall of the heat exchange tube of the first-effect evaporator due to the fact that the heat exchange tube bears the relatively unstable steam change condition can be effectively prevented, and scaling and cleaning difficulty of the first-effect heat exchange tube bundle are greatly reduced.

The invention provides a heating module, a drying module and clothes treating equipment, the heating module comprises a shell and a heating assembly, the shell is enclosed to form a containing space with an open end, the shell is provided with a protruding part, the protruding part is arranged on the surface of the shell in a protruding mode, and the protruding part is used for being assembled with an external element in an abutting mode; the heating assembly comprises a heater, and the heater is arranged in the containing space; and the structure and assembly of the whole heating module are simplified.

The utility model relates to a coating buffer tank which comprises a tank body and a feed liquid buffer structure, and the tank body is provided with a feed port and a feed liquid stirring cavity arranged in the tank body; the feed liquid temporary storage structure is arranged in the tank body, a feed liquid temporary storage space and at least one communicating hole used for keeping static pressure balance in the cavity are formed in the feed liquid temporary storage structure, the feed liquid temporary storage space is communicated with the feed inlet, and the at least one communicating hole is communicated with the feed liquid temporary storage space and the feed liquid stirring cavity; and the feed liquid which enters the feed liquid buffer space from the feed port is supplemented into the feed liquid stirring cavity. During feeding, feed liquid enters the feed liquid buffer space from the feed inlet, the feed liquid in the feed liquid buffer space is supplemented to the feed liquid stirring cavity through the communication hole at the time of stopping feeding, and the liquid level in the feed liquid buffer space is reduced slowly, so that the stability of the liquid level and the stability of static pressure in the feed liquid stirring cavity are ensured; meanwhile, the opening and closing frequency of the feeding electromagnetic valve and the feeding screw pump is reduced, and the stability of the feeding system is guaranteed.

The invention discloses an air pressure adjusting system and a substrate processing apparatus. The air pressure adjusting system is used for adjusting air pressure in different process cavities in the substrate processing device, and comprises an exhaust pipeline connected with the process cavities; the air exhaust regulating valve is arranged on the air exhaust pipeline; the barometer is arranged on the exhaust pipeline and is positioned between the process cavity and the exhaust regulating valve; and the control part is in communication connection with the air exhaust adjusting valve and the barometer and is configured to control the opening degree of the air exhaust adjusting valve so as to adjust the air exhaust rate of the air exhaust pipeline, so that the air pressure detection value of the barometer is equal to a first air pressure preset value, and the air pressure in the process cavity is equal to a second air pressure preset value. By means of the scheme, the problem that in existing substrate processing equipment, due to air pressure fluctuation of the main exhaust pipeline, the air pressure in the process cavity is unstable is solved.

The invention relates to the technical field of rocket power tests, and discloses a liquid oxygen supply system and a liquid oxygen supply method.The liquid oxygen supply system is characterized in that a liquid oxygen storage tank is provided with an extrusion gas inlet and a liquid oxygen inlet and outlet; the gas extrusion subsystem extrudes liquid oxygen in the liquid oxygen storage tank; the liquid oxygen filling subsystem is used for filling liquid oxygen into a liquid oxygen storage tank; the main regulating valve is connected with the liquid oxygen inlet and outlet; the input ends of the plurality of parallel branches are connected with the main regulating valve, and the output ends of the plurality of branches provide liquid oxygen for test pieces at different stations respectively; a branch regulating valve is arranged on each branch; the flow and pressure of each branch are adjusted by adjusting the opening degree of the main adjusting valve and adjusting the opening degree of the branch adjusting valves. The flow of each branch is adjusted by adjusting the opening degree of the adjusting valve of each branch, so that the resistance of each branch is as close as possible, and the high-precision control of the flow and pressure of test pieces at different stations is achieved; and multi-path equal-pressure equal-flow liquid oxygen distribution is realized. And the main regulating valve is combined to regulate the total flow.

In order to solve the problem that nitrogen trichloride is accumulated in the chlorine buffer tank, the chlorine buffer tank capable of preventing nitrogen trichloride from being accumulated comprises a buffer tank body, the upper end of the buffer tank body is connected with an air inlet pipe, an exhaust pipe and a pressure gauge, and the lower portion of the buffer tank body is connected with a blow-off pipe; the inner extending pipe is located on one side of the interior of the buffer tank body and is distributed in the vertical direction, and the upper end of the inner extending pipe is connected with the exhaust pipe; the inclined pipe and the inner extending pipe are arranged in an inclined mode, one end of the inclined pipe is connected with the inner extending pipe, and the other end of the inclined pipe is located over an inlet of the blow-off pipe; the liquid level meter is used for detecting the liquid level height in the buffer tank, chlorine is introduced to the position above the lowest point of the bottom of the chlorine buffer tank body through the inner extending pipe and the inclined pipe, the disturbance effect of the chlorine on liquid chlorine at the bottom of the buffer tank body is further improved through inclined arrangement of the inclined pipe, and therefore residual accumulation of the liquid chlorine is reduced; and the safety risk of nitrogen trichloride is reduced.

The present invention relates to the technical field of drilling impactors, and in particular to a pneumatic down-the-hole impactor, comprising a cylinder body, an impact piston and a drill body, and also comprising a spline sleeve attached to the end of the cylinder body, the drill body being matched with the spline sleeve in a manner of passing through the inside of the spline sleeve and forming a spline connection; the pneumatic down-the-hole impactor comprises a bottom-hole slag removal and purge air path, which comprises an internal drill air passage arranged on the drill body, and a transition air passage is formed by means of a spline gap at a spline connection between the drill body and the spline sleeve, so that there is no need or reduction in opening holes on the piston and / or cylinder body, thereby extremely ensuring the structural strength of the piston and / or cylinder body and improving the service life of the impactor as a whole. Moreover, since the transition air passage is formed by means of an existing structure, this also virtually reduces the processing difficulty and manufacturing cost.

The application provides a swept-back three-beam thin wing composite wing structure, which comprises a wing main body and an aileron installed in a wing main body mounting groove, the wing main body comprises a wing skeleton and a wing outer skin structure outside the wing skeleton; the wing skeleton comprises a longitudinal member unit and a transverse member unit, the longitudinal member unit comprises a front beam, a middle beam and a rear beam, the front beam and the middle beam and the middle beam and the rear beam are arranged at acute angles, the transverse member unit comprises a plurality of wing ribs arranged between the front beam and the middle beam, between the middle beam and the rear beam and on one side of the front beam towards the front of the fuselage; the front beam, the middle beam and the rear beam are all provided with a spar connecting head for connecting with the fuselage. The wing provided by the application adopts a three-beam structure, each wing beam has a mouth-shaped cross section, so that each wing beam forms a multi-wall form, can bear the bending moment and the torque brought by a large wing effective load, and the wing structure is light in weight, high in strength and good in integrity.

The application provides a control method and system of a throttling well killing manifold, the throttling well killing manifold is connected with a wellhead device, and comprises a rapid blowout channel and a common blowout channel which are arranged in parallel, and a throttle valve is installed on the common blowout channel; the control method comprises the following steps: real-time monitoring of wellhead casing pressure P a and standpipe pressure P1, and determining the pressure difference between the wellhead casing pressure and the standpipe pressure; when P a -P l <P z , the drilling operation is normal, and the throttling well killing manifold is not opened; when P z ≤P a -P1<aP z , the throttling well killing manifold is opened, and the opening degree of the throttle valve is dynamically adjusted according to a throttle valve opening degree processing model; when P a -P1≥aP z , or there is no drilling fluid to be recovered in the separator and the well is full of gas, the rapid blowout channel is opened, and blowout operation is implemented. In the process of implementing the blowout operation, the application adopts multi-channel control, and ensures the timeliness and safety of the blowout.

The present invention relates to an integral high-pressure and ultra-large flow hydraulic distributing valve, comprising a valve body, wherein a stepped groove is provided in the valve body, which is located at the same hole center and has a decreasing aperture from top to bottom, the bottom of the stepped groove is connected to the liquid inlet through hole, and the suction valve seat, suction valve core, extrusion valve seat, extrusion valve core and extrusion valve stopper that contact and cooperate with each other are arranged in sequence upward along the bottom of the stepped groove, and the extrusion valve stopper is connected to the liquid discharge through hole. The present invention has a compact and reasonable structure and is easy to operate. By adopting a flat valve structure, the lower part of the suction valve core has a parabolic structure, which is conducive to reducing valve port cavitation. The suction valve and the extrusion valve are both designed with a low-friction anti-rotation structure, which solves the problem of the valve core rotating when impacted by high-speed uneven fluid; the extrusion valve seat is provided with an oblique counter-impact structure, and the impact energy of the fluid is dissipated through the oblique counter-impact structure, thereby reducing the impact of the fluid on the valve core and enhancing the operating stability of the distributing valve.

The utility model discloses a microcentrifuge tube for a vacuum concentrator, which belongs to the technical field of microcentrifuge tubes and comprises a centrifuge tube body and a tube cover body sleeved at the top of the outer side wall of the centrifuge tube body, and a through hole penetrating through the tube cover body is arranged at the axis of the tube cover body. A through hole is formed in the pipe cover body, a plurality of limiting blocks and a plurality of limiting check blocks are arranged at the bottom of the pipe cover body, the limiting blocks and the limiting check blocks are distributed in an annular array mode and are all close to the through hole, and an on-off assembly is arranged between the limiting blocks and the limiting check blocks in a sliding mode and comprises a sliding block; the diameter of the sliding block is matched with the size of the through hole, and the position of the sliding block is restrained by the limiting block and the limiting check block. When the microcentrifuge tube for the vacuum concentrator is used, the sliding block can be positioned at different positions according to different stages of an experiment, and substances obtained after vacuum concentration can be isolated, so that the deterioration probability of the substances is reduced.

The utility model relates to the technical field of electromagnetic valves, and discloses an electromagnetic valve structure with a good water attack resisting effect, which comprises an electromagnetic valve component, a diaphragm component and an elastic hole pressing component. The diaphragm assembly is mounted on the electromagnetic valve assembly; a water inlet hole is formed in the membrane assembly; the elastic hole pressing assembly is arranged on the water inlet hole; the upper end of the elastic hole pressing assembly is connected with the electromagnetic valve assembly; the lower end of the elastic hole pressing assembly is pressed on the water inlet hole and can move up and down relative to the water inlet hole. When the electromagnetic valve structure with the good water attack resisting effect is opened, two forces are formed by the elastic hole pressing assembly and water inlet pressure to resist opposite impact, opening of the water inlet hole is slowed down, the opening degree of the water inlet hole is reduced to the minimum, and therefore the water inlet amount of the water inlet hole is small, and when the valve is closed, the water attack resisting effect is good. The elastic hole pressing assembly effectively relieves the water inlet pressure when the electromagnetic valve assembly is adjusted and controlled to close the valve, the instant impact of the water inlet pressure is better resisted, the effect of gentle and buffering valve closing is achieved, and then the phenomenon of water hammer (water hammer) is reduced.

The invention discloses fresh air heating equipment which comprises a box body, a cover plate, an air duct assembly and a control adjusting assembly. According to the fresh air heating equipment, the cover plate covers the air channel assembly in the box body, the air channel assembly is internally provided with the air flow channel, the air channel assembly divides the box body into the first air cavity and the second air cavity, and the first air cavity and the second air cavity intersect at one end of the air flow channel; the exhaust outlet and the ventilation opening communicate with the other end of the air flow channel, and the first air cavity communicates with the ventilation opening so that it can be guaranteed that fresh air is introduced. By controlling the adjusting assembly, the air flow channel is controlled to be selectively communicated with one of the ventilation opening and the exhaust opening, so that switching among a fresh air heating mode, an indoor air heating mode and an air exchange mode is achieved. According to the fresh air heating equipment, multiple working modes are provided, fresh air heating is achieved by introducing fresh air to be mixed with indoor air, and energy consumption is reduced while the air inlet amount is increased; the air exchange mode is adopted, the oxygen content concentration in the bathroom is improved, and then the comfort degree is improved.

The invention discloses a crop irrigation short-term prediction method and system based on fuzzy control, and relates to the technical field of intelligent agriculture and irrigation control, and the method comprises the steps: collecting weather, multi-depth soil moisture content and field time sequence data of a crop growth stage, and obtaining irrigation feedback; processing the data, and inputting a time sequence prediction model to output water demand prediction values of one to three days and confidence obtained by mapping historical verification errors; fuzzifying the water demand predicted value, the real-time root zone moisture content and the growth stage index, performing weighted deduction and fuzzification based on a fuzzy rule base with a rule dynamic weight, and outputting planned irrigation duration or irrigation amount; and calculating the actual water consumption and updating the dynamic weight of the rule in the post-irrigation evaluation time window according to the water balance and the root zone soil moisture reserve variation. Through confidence risk suppression and post-irrigation closed-loop self-tuning, the stability of short-term prediction driving irrigation decision is improved, the over-irrigation and over-seepage risks are reduced, and the utilization efficiency of irrigation water is improved.

The utility model relates to a cooling tower technical field especially is a kind of windbreak adjusting structure for cooling tower of thermal power plant, including windbreak mechanism and for, windbreak mechanism includes: main component, including the frame of being set in cooling tower air inlet;Execution component, including the vane component of being set in the inside of frame, vane component one end is provided with support rod, and the side of frame is provided with connecting rod, and connecting rod and support rod are hinged;Driving assembly, set in the side of frame and for controlling vane component rotation;The vane component includes the equal interval distribution of several louvers that are rotatably installed in the inside of frame, and the recess is set in the bottom of front end and the top of rear end of louvers, and sealing strip is fixed in recess;Through hand wheel drive worm gear mechanism linkage control louvers synchronous opening and closing, realize air intake accurate regulation, improve cooling efficiency and prevent icing;When closing, sealing strip and fender form double seal, ensure excellent air tightness, adapt to different working condition demand.

The utility model relates to the technical field of fuel gas adjustment, in particular to an electrical fuel gas adjusting mechanism. According to the technical scheme, a valve body is included, an air inlet pipe is welded to the position, close to the lower surface, of one side of the outer surface of the valve body, a flowmeter is fixedly connected to the tail end of the air inlet pipe, and an air outlet pipe is welded to the position, close to the upper surface, of the side, away from the air inlet pipe, of the outer surface of the valve body; a through hole is formed in the axis position of the upper surface of the cover plate, a valve rod is movably inserted into the through hole, the two ends of the valve rod are fixedly connected with a rack and a conical valve element respectively, and a housing is fixedly installed on the upper surface of the cover plate. According to the utility model, the flow rate of the used gas can be automatically adjusted according to the instantaneous flow rate of the supplied gas in the gas pipeline, the fluctuation of the used gas flow rate caused by the fluctuation of the gas pressure in the gas pipeline is avoided, the stable supply of the used gas flow rate is ensured, and the energy consumption is saved.

The application discloses a control method of an electronic expansion valve of an air conditioner, and the control method comprises the following steps: obtaining the indoor environment temperature of the air conditioner during the low-temperature heating process of the air conditioner or when the air conditioner enters the low-temperature heating process; and reducing the opening degree of the electronic expansion valve of the outdoor unit of the air conditioner according to the difference between the user-set temperature and the indoor environment temperature. The application further discloses a control device of the electronic expansion valve of the air conditioner, an air conditioner and a computer storage medium. According to the difference between the user-set temperature and the indoor environment temperature, the opening degree of the electronic expansion valve of the outdoor unit is reduced when the air conditioner is in the low-temperature heating process, so that the evaporation temperature of the outdoor unit is reduced, the heating capacity of the indoor unit is improved, the indoor temperature is raised faster, and the indoor heating effect is improved.

This invention discloses a high-mobility spin field-effect transistor (SFET), comprising a source electrode, a drain electrode, a gate electrode, a semiconductor channel, and a substrate. Compared to existing SFETs based on a single semiconductor channel, this semiconductor channel structure offers advantages such as tunable band structure, high mobility, tunable carrier concentration and type, and long spin diffusion length. Compared to traditional substrate-based SFETs, this invention introduces a substrate with piezoelectric properties, allowing for the modulation of carrier spin transport within the semiconductor channel through the surface polarization electric field of the substrate. This effectively reduces the turn-on or turn-off voltage and improves gate control. Compared to existing SFET fabrication processes, this invention optimizes the crystal quality of the spin tunneling layer, increases carrier spin polarization, thereby improving the device's on / off ratio and reducing operating current.

An electric telescopic handle for a vehicle comprises: a handle body, a handle base, wherein the handle body is installed in the handle base; an unlocking device, which is movably arranged on the handle base, and the unlocking device is transmission-connected with the handle body and connected with a car door lock; an electric ejection device, which comprises a driving device, a pull rod, a push rod and a tilting rod; a track boss, which is fixedly arranged on the handle base and has an electric opening track surface and a mechanical opening track surface; a first guide block and a second guide block, both of which are arranged on the handle body, the first guide block forms a contactable connection with the electric opening track surface of the track boss, and the second guide block forms a contactable connection with the mechanical opening track surface of the track boss. The present invention realizes the guiding function through the cooperation of the track boss and the first guide block and the second guide block, forming two independent motion tracks, and has two operation modes of the electric ejection handle and the mechanical ejection handle, meeting the use requirements of different application scenarios.

The utility model relates to a rear shell assembly and electronic equipment, the rear shell assembly comprises a rear shell body, a decorating part and a key assembly, the decorating part is installed on the rear shell body, and the key assembly is installed on the rear shell body and / or the decorating part. According to the electronic equipment, the key assembly is arranged on the rear shell body and / or the decorating part, holes in the middle frame of the electronic equipment can be reduced, or holes do not need to be formed in the middle frame, on the premise that a user uses keys for control, the attractiveness of the whole machine and the holding use hand feeling are improved, and the use experience of the user is improved.

The utility model relates to the technical field of silica gel mixing, and discloses a kneading and stirring device with a cover opening mechanism, which comprises a frame, a case, a cover, a stirrer, a controller, a vacuum device and the cover opening mechanism, the case, the stirrer, the controller and the cover opening mechanism are mounted on the frame, the driving end of the cover opening mechanism is connected with the cover, and the cover opening mechanism is connected with the vacuum device. The cover opening mechanism is used for opening or closing the machine cover, the stirring end of the stirrer is arranged in the machine box, the vacuum device is arranged on the machine cover and used for vacuumizing the interior of the machine box after the machine box is tightly covered with the cover, and the control end of the controller is electrically connected with the control end of the stirrer, the control end of the vacuum device and the control end of the cover opening mechanism. According to the device, introduction and doping of air impurities can be reduced, and discharging of mixed silica gel is facilitated. A material door and a discharging table are matched with each other, so that silica gel materials can be conveniently discharged; the combination of the vacuum device and the case is adopted, so that air in the case can be vacuumized by the vacuum device, and introduction of air impurities is reduced.

The invention discloses an electric energy quality optimization device which comprises a device shell, a top cover is fixedly installed on the upper surface of the device shell, a cabinet door is fixedly installed on the front surface of the device shell, and a wire inlet pipe sleeve is fixedly installed at the position, close to the upper end, of one side of the device shell. According to the electric energy quality optimization device, the electric energy quality optimization device is more convenient to open and close through the cabinet door, the opening mode is more concealed, the possibility that the electric energy quality optimization device is not opened by maintenance personnel is reduced, the electric energy quality optimization device can be automatically heated and cooled through cooperation of the fan cylinder and the heat conduction mechanism, and the electric energy quality optimization device is more convenient to use. Cooling is carried out through air cooling and water cooling, heating is carried out through electric heating, so that normal operation of the electric energy quality optimization device is not affected by too high temperature or too low temperature, a fan cylinder is responsible for accelerating air flow in a device shell to carry out air cooling, and a heat conduction mechanism can heat and reduce the temperature of a compensation unit, an electric energy quality module and a circuit breaker. And performing electric heating and water cooling.

The application discloses a high internal pressure chamber axis determination method, and takes the direction of the minimum horizontal principal stress in the ground stress as a reference standard, and determines the direction of the longitudinal axis of the high internal pressure chamber as a direction which is not more than 25 degrees with the direction of the minimum horizontal principal stress and is maximally close to the strike of the main structure surface of the rock mass, according to the direction of the longitudinal axis of the high internal pressure chamber, the direction of the long axis on the cross section of the high internal pressure chamber should be consistent with the direction of the minimum ground stress. The application provides an effective method for determining the axis of the high internal pressure chamber such as compressed air energy storage, the method can maximize the surrounding rock pressure on the cross section of the chamber, fully utilizes the surrounding rock pressure in the stratum to balance the air pressure in the gas storage chamber, and is more favorable for the stability of the chamber structure; the method can reduce the opening degree of the structure surface in the surrounding rock as much as possible, and is more favorable for the sealing of the high internal pressure gas storage chamber.

The utility model provides a power gating circuit and a chip, which belong to the technical field of semiconductor circuits, and comprise a first gating link used for controlling the chip to be pre-electrified; the first gating link comprises a first control signal input end and a plurality of first gating units, power supply pins of the plurality of first gating units are connected in parallel, switching signals of the plurality of first gating units are connected in series, and the switching signals of the first gating units are connected with the first control signal input end; at least one delay unit is connected in series between every two adjacent first gating units, and the delay units are used for controlling the current change rate in the chip power-on process. According to the utility model, the current change rate generated when the first gating unit in the first gating link is opened is reduced through the time delay unit, and the power supply stability of the whole power supply system is improved.

The present application belongs to smelting energy consumption control technical field, especially to a kind of furnace section outlet sealing device in annealing pickling process, first transmission frame is fixed with first transmission mechanism and second transmission mechanism, the accessory of first transmission mechanism and second transmission mechanism is fixed on second transmission frame, bearing seat support is fixed on the top surface of first bracket, bearing seat support is installed on both sides with side plate, first rocker mechanism and second rocker mechanism are respectively installed on side plate, first transmission mechanism is connected with first rocker mechanism below, second transmission mechanism is connected with second rocker mechanism below, detection mechanism is fixed on the outer wall of transmission side furnace shell, first transmission mechanism and second transmission mechanism bottom two ends are respectively connected with suspender mechanism, suspender mechanism bottom end is respectively connected with lower sealing door and upper sealing door through lifting rod.The device drives upper and lower sealing door to rise and fall using first transmission mechanism and second transmission mechanism, combines detection mechanism to control opening distance, guarantee strip steel to pass through normally and smoothly, reduce heat loss.

The invention discloses a multi-split air conditioning system which comprises an outdoor unit, an air conditioning unit and a control unit. The indoor units are connected to the outdoor units through refrigerant piping and are provided with indoor throttling elements in a matched mode; a control device for controlling the outdoor unit and the plurality of indoor units; in the heating process, the control device receives a shutdown or shutdown instruction, evacuation operation is executed, and refrigerants on the indoor unit side move towards the outdoor unit side; the control unit is configured to execute the following control so that the pressure of the air suction side and the pressure of the exhaust side of the compressor can reach a balanced state: when evacuation operation is executed, the indoor throttling element is controlled to be in a valve opening state, and the outdoor throttling element is controlled to be in a set opening degree; and after the evacuation operation is finished, the indoor throttling element is kept in a valve opening state, the outdoor throttling element is kept in a set opening degree, and then the outdoor throttling element is controlled to work in a valve closing state. The multi-split air conditioning system is ensured to stably operate in the shutdown or shutdown process, and noise is remarkably restrained.

The utility model relates to the technical field of disc valves, and discloses a disc valve convenient to disassemble and assemble, which comprises a valve body, an input port is arranged on one side of the valve body, an output port I is arranged on the other side of the input port, output ports II are arranged at the top end and the bottom end of the valve body, blocking heads are connected inside the output ports II through fixing assemblies, and the blocking heads are connected with the valve body through fixing assemblies. A rubber ring is arranged on the outer wall of the bottom end of the blocking head, a rotating shaft is rotationally connected into the valve body, a control assembly is arranged at one end of the rotating shaft, a pull rod is fixedly connected to the other end of the rotating shaft, and the pull rod is connected with the valve body through a limiting assembly. The fixing assembly comprises a screw hole formed in the outer wall of the second output port, and a limiting rod is arranged in the screw hole. According to the disc valve, the use of bolts and nuts can be reduced to close and open the output port II, so that the steps of opening or closing the flow path are greatly reduced, the structure is more convenient to disassemble and assemble, and the installation efficiency of the disc valve is improved.

The present invention belongs to the technical field of comprehensive utilization of geothermal energy and solar energy, and specifically discloses a medium-deep geothermal energy coupled with solar energy heating control system, including: a heat output component: including geothermal well heat exchange equipment and solar energy heat collection equipment; a coupled heat storage component: used to couple geothermal energy and solar energy, and a user end: connected to the coupled heat storage component, and the heat flowing into the client end meets the needs of the user end through the control of the coupled heat storage component by a control device. The present invention uses a coupled heat storage component to couple the heat sources of the geothermal well heat exchange equipment and the solar energy heat collection equipment, simulates the heat load of the user end through a control device, and controls the heat production, coupling strategy and pipeline selection strategy based on the total heat load, heat temperature and the control strategy of the user end heat equipment, so as to avoid overcapacity to the greatest extent while ensuring the supply of the user end.