124results about How to "Smooth circulation" patented technology

The utility model relates to the technical field of ultrasonic gas meters, in particular to a flow channel module connecting structure and an ultrasonic gas meter. The air outlet pipe comprises an air inlet end and an air outlet end, the flow channel module comprises a connecting end which is inserted in a sealed mode and communicates with the air inlet end of the air outlet pipe, and the connecting end is detachably connected with the air inlet end of the air outlet pipe; the connecting end of the flow channel module is directly inserted into the air inlet end of the air outlet pipe, and then the connecting end is connected with the air inlet end; compared with the prior art, the structure does not need other additional parts to complete installation of the flow channel module, the number of parts is reduced, the overall weight is reduced, and the ultrasonic gas meter is lighter and convenient to transport and install. Meanwhile, due to the simplified structure, the manufacturing cost is reduced, the production and assembly links of redundant parts are omitted, and the production efficiency is improved; and the plug-in connection does not depend on a specific watchcase structure, can be flexibly adapted to watchcases of different models or manufacturers, and is higher in universality.

The utility model belongs to the technical field of spraying disinfection of sterilization cabinets, and particularly relates to a sterilization cabinet with a spraying function, which comprises a spraying component, a protective shell component is mounted at the bottom of the spraying component, and an adjustable support plate component is mounted in the protective shell component; the spraying assembly comprises a pesticide storage tank, a motor is fixedly connected to the top of the pesticide storage tank, a connecting rod is fixedly connected to the top of the motor, a stirring rod is fixedly connected to the outer wall of the connecting rod, a connecting pipe is fixedly connected to the side of the pesticide storage tank, and a water pump is fixedly connected to the end of the connecting pipe. The side of the water pump is fixedly connected with a liquid outlet pipe, one side of the liquid outlet pipe is fixedly connected with a fixing clamp, and the other side of the liquid outlet pipe is in threaded connection with a spray head. Threaded connection has good sealing performance, liquid medicine can be prevented from leaking in the conveying process, the stability of liquid medicine spraying pressure is guaranteed, and then the spraying range and strength can be effectively controlled.

The utility model discloses an antibacterial air filter, which relates to the technical field of air filters, and comprises a shell, a transmission mechanism is rotatably mounted in the shell, the end part of the transmission mechanism is connected with a chassis, the chassis is provided with a clamping groove I, and an impurity filtering layer is inserted in the clamping groove I; a second clamping groove is formed in the bottom of the shell, a sterilization filtering layer is clamped in the second clamping groove and arranged on the outer side of the impurity filtering layer in a sleeving mode, a top cover is arranged at the end of the shell, an air inlet is formed in the top cover, and an exhaust outlet is formed in the side wall of the shell. According to the utility model, through the rotation of the side wheel, the gear disc drives the impurity filtering layer to rotate, so that air entering the impurity filtering layer is in uniform contact with the impurity filtering layer, blockage or failure caused by overuse of a local area is avoided, the air is promoted to flow more uniformly in the filtering layer, and the air filtering effect is improved. Particulate matters and impurities have more opportunities to be captured, so that the overall filtering effect is improved.

The utility model discloses a full-bore eccentric ball valve with a flow guide hole, which relates to the technical field of ball valves and comprises a valve body, a valve rod, a valve core and a sealing body, the flow guide hole is arranged on the valve core, sealing air bag rings are arranged on the valve core and positioned at openings at two ends of the flow guide hole, and an inflating component connected with the sealing air bag rings is arranged outside the valve core. A sleeve is arranged outside the valve element, the valve rod is rotationally connected to the sleeve, a reset spring is connected between the sleeve and the valve rod, and an extrusion piece used for extruding the inflation assembly is arranged on the valve rod. When the valve is opened, the two ends of the flow guide hole are sealed with the openings in the two sides of the valve body respectively, so that a medium is prevented from rushing into a cavity between the valve body and the valve element in the process of passing through the flow guide hole, vibration and noise generated by the valve in the medium circulation process are effectively reduced, and the service life of the valve is prolonged. And meanwhile, the flowing resistance of the medium can be reduced to a certain extent, and the stability of the medium passing through the valve is improved.

The application provides a kind of biological organic fertilizer efficient aerobic fermentation device, it relates to organic fertilizer fermentation technical field, including: base;The base is fixed with support, the upper portion of support is hinged with baffle, and support is installed with screw rod lifting seat A and screw rod lifting seat B by bolt, and the screw rod in screw rod lifting seat A and screw rod lifting seat B is connected with the lower end of baffle by pin shaft, and the input shaft of screw rod lifting seat A is connected with the input shaft of screw rod lifting seat B with connecting rod;The application integrates stirring, oxygen supply, fungicide spraying, material conveying, waste gas treatment and other multiple functions, forms complete fermentation process system, through the collaborative work of each hydraulic rod, motor and transmission mechanism, can be flexibly adjusted according to different material characteristics and fermentation process parameters, is suitable for efficient fermentation production of various biological organic fertilizer, has strong environmental adaptability and process expandability, helps to improve the automation level and product quality stability of organic fertilizer production.

The utility model discloses a combustion control device for an RTO (Regenerative Thermal Oxidation) incinerator, which relates to the technical field of combustion control of incinerators and comprises a bracket, and a control valve II is fixedly mounted on the outer surface of a transmission pipe; an adjusting mechanism used for controlling the combustion size is arranged between the controller and the conveying pipe and comprises a fuel gas inlet fixedly formed in the outer surface of the controller. According to the combustion control device for the RTO incinerator, external air is conveyed through the air inlet, the air circulates in the conveying pipe, a first control valve is installed on the side, close to the air inlet, of the conveying pipe, the circulating air is controlled through the first control valve, and the air is conveyed into a combustion-supporting air pipeline through the conveying pipe; the sealing disc is installed at the connecting position of the pipeline, so that the sealing performance of the pipeline is improved, the gas leakage phenomenon is avoided, the situation that the gas circulation size cannot be adjusted when the first control valve is damaged is avoided through the second control valve, the guarantee for equipment is improved, and the safety of the pipeline is guaranteed.

This application relates to the field of air respirator masks, and more particularly to an air respirator mask with a quickly fixed Bluetooth microphone, comprising a base, a lens mounted on the outside of the base, and a mouth and nose mask mounted on the lower side of the base. The lens abuts against the side wall of the mouth and nose mask, and a receiving cavity is formed on the upper side of the mouth and nose mask. The Bluetooth microphone is detachably fixed to the inner wall of the receiving cavity. This application has the effect of reducing obstruction of the worker's lower field of vision by changing the installation method of the Bluetooth microphone, thereby increasing the worker's full field of vision and binocular field of vision.

This utility model discloses a self-driven wastewater circulation mixer, including a cylinder, a cylinder cover, an additive storage tank on top of the cover for adding additives into the wastewater inside the cylinder, a drain pipe at the bottom of the cylinder for discharging the mixed wastewater, a first inlet pipe on the side wall of the cylinder arranged tangentially to allow the wastewater inside the cylinder to flow clockwise, a second inlet pipe on the side wall of the cylinder, and a self-driven stirring mechanism inside the cylinder. The second inlet pipe guides the wastewater to impact the self-driven stirring mechanism, causing the wastewater inside the cylinder to circulate axially. The mixer has a first inlet pipe guiding the wastewater inside the cylinder to flow clockwise for convenient radial mixing of wastewater and additives, and a second inlet pipe guiding the impeller to rotate counterclockwise. The impeller drives the propeller blades to rotate, causing the wastewater to circulate axially, allowing wastewater and additives of different depths to mix more quickly.

The utility model discloses a portable compressed oxygen self-rescuer detector, which relates to the technical field of detection instruments, and comprises a box body, an operation panel and a box door, a plurality of grooves are formed in the box door in a penetrating manner, rotatable hose reels are arranged in the through grooves, and a gas pipe is wound on the hose reels, so that the compressed oxygen self-rescuer can be detected. During use, the hose reel is rotated in the direction close to the inner wall of the box door, after the hose reel is rotated in place, one end of the air pipe is pulled and inserted into a corresponding air hole in the operation panel, then the hose reel is rotated reversely, after the hose reel is rotated in place, the other end of the air pipe is pulled and inserted into the compressed oxygen self-rescuer, and the compressed oxygen self-rescuer is inserted into the compressed oxygen self-rescuer. In this way, the multiple air pipes are separated through the through grooves, winding and bending among the multiple air pipes are avoided, it is ensured that air in the pipes flows smoothly, and the practicability and the detection accuracy of equipment are improved.

The utility model discloses a wellhead filter structure convenient to install, which comprises a filter cartridge, a filter screen is erected at the center of the inner side of the filter cartridge, the outer side of the filter screen is correspondingly embedded and butted with the inner wall of the filter cartridge in the left-right direction, and the filter screen is obliquely erected downwards from left to right; a flow guide pipe is horizontally erected on the left side of the filter screen, the right end of the flow guide pipe is fixedly communicated with the filter cylinder, a one-way valve is fixedly communicated with the left side of the top of the flow guide pipe, and a pressure pump is fixedly communicated with the center of the top of the one-way valve; a clamping ring is clamped to the outer side of the right end of the blow-off pipe in a sealed mode, and a blow-off valve is fixedly communicated with the center of the right side of the clamping ring, so that the mechanical rapid cleaning operation of the filter screen is completed, the filter screen does not need to be manually taken down independently for cleaning, the time wasted by dismounting and mounting the filter screen is removed while manpower waste is avoided, the cleaning efficiency is improved, and stable circulation of a water injection channel is kept.

The utility model relates to oil equipment field especially relates to an oil receiving hopper, it includes hopper, thrust head, baffle, first adapter and second adapter, is equipped with first passageway on first adapter, second adapter coaxial setting is in first adapter top, hopper solid is established in second adapter top, is equipped with second passageway with the inside space of hopper's intercommunication on second adapter, and the lower extreme of second passageway and the upper extreme of first passageway coaxial intercommunication, baffle sets up in the end of second passageway in close to hopper, thrust head swing setting is in second passageway and is located baffle's below, and thrust head has a sealing surface towards baffle, and sealing surface is used for with the lower end surface of baffle and meets. Through the cooperation of thrust head and baffle realizes sealing and conduction, spares the cumbersome sealing unpacking step, shortens single unit equipment oil change time, reduces the error of traditional manual sealing, reduces the risk of air pressure leakage, ensures that the oil is discharged smoothly.

The invention relates to the technical field of air conditioners, in particular to a cross-flow air conditioner which comprises a machine shell, a cross-flow fan and an evaporator. An air inlet is formed in the middle of the front face of the machine shell, and an air outlet is formed in the left side and / or the right side of the front face of the machine shell. An air duct is arranged in the machine shell and used for distributing airflow entering from the air inlet to the air outlet; the cross-flow fan is arranged on the left side and / or the right side of the machine shell and is close to the air outlet. The cross-flow fan provides driving force for airflow to enter the machine shell from the air inlet and then flow out of the air outlet. The evaporator is arranged in the machine shell and close to the air inlet, and the evaporator is used for conducting temperature exchange on airflow flowing through the air channel. The air inlet and the air outlet are formed in the front face of the air conditioner, the back of the air conditioner can be directly attached to a wall or integrated with the wall, it can be guaranteed that the air inlet and the air outlet are not blocked, and smooth airflow circulation is guaranteed; the air inlet resistance is obviously reduced, and the air inlet efficiency is improved.

The utility model discloses a flue gas inlet guide plate assembly which comprises a guide plate body, the bottom of the guide plate body is fixedly connected with a flow collecting channel, the outer side of the circumference of the flow collecting channel is fixedly provided with an installation blocking piece, and a plurality of sets of installation holes are evenly formed in the installation blocking piece. The mounting separation blade is screwed on the circumferential side wall of the bottom of the desulfurization tower through a plurality of groups of mounting holes in the mounting separation blade; a dust scraping mechanism is installed on the upper side in the guide plate body, a driving fan is arranged on the dust scraping mechanism, a rotating shaft is fixedly arranged at the top of the driving fan, and a scraping plate is arranged on the circumferential outer wall of the end, away from the driving fan, of the rotating shaft and covers the circumferential outer wall of the guide plate body. According to the flue gas inlet flow guide plate assembly, impurities and scales covering the surface of the flow guide plate body can be scraped off through the scraping plate, the flow guide holes are prevented from being blocked by the impurities and the scales, and it is guaranteed that the flow guide plate body normally conducts flow guide operation for a long time.

The utility model discloses a fruit and vegetable fresh-keeping storehouse with self -cleaning function, including the frame body that a plurality of stand columns enclose and form, a plurality of height adjustable support assemblies are arranged in layers in the frame body, the clearance for sundries falling is between the support assembly, is provided with the drainage groove board in the frame body bottom, the side of drainage groove board is provided with the drain pipe and the air pipe. This fruit and vegetable fresh-keeping storehouse sets up the shape of goods shelf reasonably, so as to be convenient for placing fruit and vegetable, and the sundries and water stain of its residue can automatically fall into the drainage groove board below after fruit and vegetable, which are automatically discharged through the drain pipe and the air pipe, realize the self -cleaning of goods shelf, and the subsequent fruit and vegetable placement is convenient.

The utility model discloses a double shaft premixing ware for ammonium chloride rotary drying furnace, include: casing, be provided with heating heat preservation device on the casing, drive arrangement and double shaft mixing device, set up in the casing, and drive arrangement drives double shaft mixing device rotation, double shaft mixing device includes: driving shaft, axially set up in the casing, and the axle head is rotatably connected with the inside of casing, driven shaft, axially set up in the casing, and with driving shaft parallel, and the axle head is rotatably connected with the inside of casing, and synchronous gear, install in the axle end of driving shaft and driven shaft. The utility model can solve the problem of uneven mixing of ammonium chloride material, easy to block and high energy consumption fundamentally.

The utility model discloses a ventilation module of a tank container and the tank container, comprising a ventilation pipe connected to a ventilation port of the tank container; the ventilation head is arranged at one end, far away from the ventilation opening, of the ventilation pipe; the ventilation head is provided with a head pipe body connected with the ventilation pipe, a cover body covering the upper end of the head pipe body and a filter screen located in the head pipe body. The cover body is provided with an upwarp part located on the periphery, and a ventilation opening is formed between the upwarp part and the head pipe body. When the volume of an oil product in the tank box changes, air can enter and exit from the tank box through the vent pipe via the vent hole of the vent head, so that the balance of air pressure inside and outside the tank box is effectively maintained, and the problems of tank box deformation, difficult oil inlet or unsmooth oil outlet caused by abnormal air pressure are avoided; and safe and stable operation of the tank is ensured. The filter screen is arranged in the ventilation head, dust, impurities and other particles in air can be filtered out in the process that the air enters and exits the tank box, the particles are prevented from entering the tank box to pollute oil products, the quality of the oil products is guaranteed, and the impurities are prevented from damaging oiling equipment and oiled machinery.

The application discloses an air suspension air supply output device, which comprises a motor, a compression pump body arranged at one end of the motor, a main shaft of the motor inserted into the compression pump body, an operation inner cavity arranged in the compression pump body, a first chamber and a second chamber respectively arranged at two sides of the operation inner cavity, a first compression cavity and a second compression cavity respectively arranged at two ends of the operation inner cavity, a first piston movably arranged in the first compression cavity, a second piston arranged in the second compression cavity, the first piston and the second piston driven by the main shaft of the motor to move in the same direction and in the axial direction, the first compression cavity and the second compression cavity communicated with the first chamber through a first one-way valve and a second one-way valve respectively, the second chamber communicated with the second compression cavity, an exhaust port communicated with the second chamber arranged on the compression pump body, and an exhaust heat dissipation pipe connected to the exhaust port. The air supply output device adopts a two-stage compression air pump structure, and solves the problems of large volume, heavy quality, large noise and poor heat dissipation effect of the existing air supply unit.

The application discloses a kit based on gravity-driven liquid flow, comprising a box body, a liquid storage area and a reaction area arranged from top to bottom in the box body, the liquid storage area comprising a liquid flow channel and a plurality of liquid storage rods arranged on the liquid flow channel, the liquid storage rods storing liquid, the liquid storage rods being provided with liquid flow holes, the liquid storage rods being capable of sliding on the liquid storage area so that the liquid flow holes are communicated with the liquid flow channel, the reaction area comprising a reaction chamber, the reaction chamber being communicated with the liquid flow channel, when the liquid flow holes are communicated with the liquid flow channel, the liquid can flow into the reaction chamber under the action of gravity, the lower end of the reaction area being provided with a waste liquid area and an amplification area, the reaction area being provided with an isolation column at a connecting end of the waste liquid area and the amplification area, the isolation column being provided with a communication hole, the isolation column being capable of sliding on the reaction area so that the communication hole communicates the reaction area with the waste liquid area or the amplification area, so that the liquid in the reaction area flows to the waste liquid area or the amplification area under the action of gravity.

The invention relates to the field of Internet of Things, in particular to a small intelligent gateway device of the Internet of Things. The invention provides the small-sized Internet of Things intelligent gateway device which can accelerate air circulation to improve the heat dissipation efficiency, can adsorb moisture and dust in air and prolongs the service life of the gateway. The invention discloses a small-sized intelligent gateway device for the Internet of Things, and the device comprises a pedestal, a gateway housing, a gateway mainboard, and the like. The base is fixedly connected with a gateway shell, and the gateway shell is fixedly connected with a gateway mainboard. An operator starts an air pump, the air pump exhausts air into a gateway shell, the air takes away heat generated by a gateway mainboard, the temperature of the gateway mainboard is reduced, the gateway mainboard can work continuously, then the operator starts a servo motor, an output shaft of the servo motor rotates to drive two sets of swing plates to swing in different directions in a reciprocating mode, and the two sets of swing plates swing in different directions. Therefore, air circulation in the gateway shell is smoother, and the air takes away heat generated by the gateway mainboard more quickly.

This invention discloses a humidifier, relating to the technical field of humidification equipment. The invention includes a water receiving bracket, a receiving component, and at least one limiting block. The water receiving bracket is fixed inside a water tank, and a water guide hole is formed in the middle region of the bracket. The receiving component is installed in the water guide hole, and the at least one limiting block is disposed on the side of the receiving component. The limiting block confines the receiving component to the wall of the water guide hole, allowing the receiving component to collect water droplets dripping from above the water receiving bracket. This reduces the noise of water droplets falling from above the water receiving bracket into the water guide hole while ensuring smooth water circulation within the humidifier, thus improving the user experience.

The invention provides a flax roving scouring and bleaching process which comprises the following steps: 1, loading flax roving into a creel with a Teflon coating in a loose uniform winding manner, and controlling the total yarn loading amount to be 75 + / -5% of the effective volume of a main scouring and bleaching pot; 2, soft water is injected into a saucepan according to the liquid ratio of 1: 10-1: 15, the temperature is increased to 65-75 DEG C, a nonionic penetrant is added, the creel in the step 1 is hung into the saucepan after operation is conducted for 5 minutes, heat preservation operation is conducted for 25-35 minutes in a positive and negative circulation alternating mode, and after waste liquid is discharged, normal-temperature soft water is used for washing twice in an overflow mode, and washing is conducted for 10 minutes each time; 3, formic acid and a metal ion chelating agent are added into a main pot, water is added till the liquid ratio is 1: 12, a circulating pump is started, the temperature is increased to 50-55 DEG C, the washed creel is put into the main pot, the temperature is kept, the stirring reaction is conducted for 20-30 minutes, the pH value is monitored and maintained to be 3.0-3.5 in the process, and after pickling is completed, waste liquid is pumped into a neutralization pool to be treated after being filtered through a stainless steel filter screen.

This invention discloses a carbon dioxide constant-pressure storage tank device with linked high and low pressure tanks, relating to the field of carbon dioxide energy storage technology. It includes a first storage tank, a second storage tank, and a piston structure. Both the first and second storage tanks are used to store carbon dioxide gas. The pressures of the first and second storage tanks are different. A first inlet of the first storage tank is connected to a second outlet of the second storage tank, and a first outlet of the first tank is connected to a second inlet of the second tank. A first end of the piston structure extends into the first storage tank, and a second end of the piston structure extends into the second storage tank. This invention's carbon dioxide constant-pressure storage tank device with linked high and low pressure tanks maintains a constant pressure in both the first and second storage tanks without consuming additional energy.

The utility model provides a kind of water cooling structure and outer rotor permanent magnet motor, belong to the technical field of motor, wherein outer rotor permanent magnet motor includes outer rotor structure, inner stator structure and two end covers;Water cooling structure includes cooling water channel and inlet and outlet water component;Cooling water channel is arranged in the inside of annular plate in inner stator structure;Inlet and outlet water component is arranged on inner stator structure, and is used to supply and discharge coolant to cooling water channel in circulation;Cooling water channel includes multiple direct current sections and multiple bending sections;Multiple direct current sections circumferential interval distribution in the inside of annular plate in inner stator structure, and the extension direction of direct current section is parallel to the axial direction of inner stator structure;Multiple bending sections are communicated between the end of adjacent two direct current sections, and close to the both ends of annular plate.The utility model passes through the combination of direct current section and bending section, makes coolant constantly flow through the both ends of annular plate, avoids temperature gradient to be generated at the both ends of inner stator structure, improves heat dissipation effect.

This utility model discloses a mixing device for producing sesame and peanut mixed sauce, comprising: a material tank, a feeding hopper fixedly connected to the top of the material tank, a discharging hopper fixedly connected to the bottom of the material tank, a stirring mechanism provided inside the material tank and above the feeding hopper, a valve mechanism provided at the bottom of the discharging hopper, and a grinding outer layer 1 on the inner surface of the feeding hopper; sesame and peanut raw materials are fed into the feeding hopper and enter the grinding feeding chamber formed by the grinding outer layer 1 and the grinding outer layer 2 on the surface of the inner grinding hopper. The motor drives the shaft to rotate, driving the inner grinding hopper to rotate, and the raw materials are ground while feeding into the material tank. The upper and lower anti-blocking strips provide double anti-blocking, reducing accumulation, ensuring smooth flow, and reducing the frequency of downtime for cleaning. After grinding, the raw materials enter the material tank and are mixed by multiple sets of stirring blades on the shaft, realizing continuous operation of feeding, grinding, and mixing. The grinding and mixing actions are achieved through the shaft drive of the same set of equipment, eliminating the need for separate grinding equipment and processes.

The present application relates to strata gas drilling technology field, specifically disclose a kind of coalbed gas mining special throttle manifold, including throttle module, for realizing fluid pressure regulation, fluid cut-off and parameter detection;Kill module, for injecting kill medium into wellbore, realize well pressure balance;Solid-liquid separation module, for separating solid impurities in fluid;Connecting pipeline module, for realizing the communication between each functional module and module and blowout preventer, wellbore;Flange interface module, for realizing the detachable connection between each module;Wherein, the input end of throttle module is used to be connected blowout preventer outlet flange by connecting pipeline module, the output end of throttle module is connected with the input end of solid-liquid separation module by connecting pipeline module.The present application is specially used in coalbed gas mining process to control wellhead pressure, realize kill operation, etc., with the characteristics of modularization, easy to assemble and maintain quickly.

The utility model provides a stationary blade sealing leakage gas exhausting structure and a gas compressor, and belongs to the technical field of stationary blade sealing leakage gas exhausting. The stationary blade sealing leakage gas exhausting structure comprises a rotor, a movable blade set, a stationary blade set, a sealing piece and a flow guide part; the rotor drives the movable blade set to rotate relative to the fixed blade set to generate main airflow flowing from the first movable blade set to the second movable blade set. The sealing piece is tightly attached to the rotor so as to reduce the backflow phenomenon of main airflow, the rotor and the sealing piece define a sealed leakage gas channel, and sealing leakage gas flows out of the leakage gas channel, then is converged with the main airflow and flows to the high-pressure side of the gas compressor; by arranging the flow guide part on the rotor, sealing leakage gas is guided when flowing out of the leakage gas channel, the exhaust angle of the sealing leakage gas is changed, interference and impact on main flow when the sealing leakage gas is converged into the main flow are reduced, separation of the main flow is reduced, and the influence of the leakage gas on the gas flow near the blade root of the stationary blade group is reduced; and smooth circulation of mainstream airflow is ensured.

The utility model provides a self-heating acupuncture and moxibustion auxiliary needle applicator, which belongs to the technical field of acupuncture and moxibustion, and comprises a base, a shell is fixedly mounted at the top of the base, an arc-shaped supporting plate is arranged at the top of the shell, a hot compress mechanism is arranged on one side of the arc-shaped supporting plate, and a heating mechanism is arranged on the other side of the arc-shaped supporting plate. A heating circulation mechanism is arranged in the shell, and an acupuncture and moxibustion storage box is arranged in the shell; the utility model has the beneficial effects that the rotary sealing ring is arranged, and a fluid loop is formed by the rotary sealing ring, the liquid outlet pipe and related parts, so that the hot compress liquid is ensured to circularly flow in a system according to a preset path, and the problems of leakage and backflow are avoided. Therefore, the hot compress mechanism runs reliably, the hot compress effect can be provided for the human body continuously and stably, the safety and stability of equipment use are improved, a patient can enjoy hot compress assistance at ease in the acupuncture and moxibustion process, muscle relaxing is facilitated, and blood circulation is promoted.

The utility model relates to heat exchanger unit technical field especially intelligent heat exchanger unit, its technical scheme includes: box, the finned tube bundle is fixedly installed in the box, the first installation groove is installed in the box one end opening and intercommunication, the air injection fan is fixedly installed through the mounting bracket at the first installation groove, the air injection fan installation place's box bottom is provided with the air inlet, the air injection fan is used for conveying gas to the finned tube bundle, the second installation groove is installed in the box other end opening and intercommunication, the air exhaust fan is embeddedly installed in the second installation groove, the air exhaust fan is used for discharging the gas in the box, control assembly is installed on the box, control assembly is used for controlling the output power of air injection fan and air exhaust fan. The utility model has the advantage that adjusts the fan power under the premise of guaranteeing the heat exchange efficiency, solves the problem that the existing heat exchanger unit fan is easy to overload and has the potential safety hazard.

This utility model belongs to the field of cable tray technology, specifically relating to a stepped epoxy resin composite high-strength cable tray, including two symmetrical side beams. A crossbeam is bolted to the inner wall of each side beam, and grooves are formed on the surface of the crossbeam. This utility model achieves flexible adjustment of the cable tray size through the cooperation of a first threaded rod, adjusting sleeve, extension plate, sliding groove, recess, slider, fixing pin, and rectangular block. The beneficial effects of this design are significant. In actual installation scenarios, the site environment is complex and diverse, and the requirements for cable tray size vary. Through the above adjustment method, the cable tray size can be flexibly adjusted according to the actual site conditions, ensuring a perfect fit between the cable tray and the installation environment. This effectively avoids installation difficulties caused by mismatch between cable tray size and environment, greatly improving the convenience and adaptability of cable tray installation and ensuring the smooth progress of electrical wiring projects.