51results about How to "Increase heat" patented technology

The utility model discloses a natural gas transmission and distribution pressure regulating heating device, including the encapsulation shell, the top hinged of encapsulation shell one side has the L type apron, the inside fixed of encapsulation shell is equipped with primary heating cylinder and secondary heating box in proper order, the pipeline connection between primary heating cylinder and secondary heating box, and the middle part fixed of pipeline is equipped with pressure regulating valve, the top of secondary heating box is fixedly installed with the air -ejecting pump, and the exhaust end of air -ejecting pump is fixedly connected with the top of primary heating cylinder through the backflow pipe, the utility model discloses pressure regulating heating device through primary heating cylinder and the cooperation of secondary heating box, can realize multiple heating, has effectively improved the heat of natural gas in the process of natural gas transmission and distribution, and in the process of pressure regulating heating, through the real -time monitoring of first temperature sensor and second temperature sensor, when the natural gas of not satisfying temperature can backflow to the inside of primary heating cylinder and heat again, ensure natural gas conveying regulation heating effect.

Provided are a boron nitride powder having a relatively small particle size, in which an amount of metal impurities present on a surface of the boron nitride powder is significantly reduced, and extremely high purity is achieved, and a method for producing the boron nitride powder. A hexagonal boron nitride powder has an average particle size (D50) of 2.0 to 6.0 um and a specific surface area measured by a BET method of 4 to 12 m2 / g, in which a concentration of a calcium element is 1 ppm or less, a concentration of a silicon element is 5 ppm or less, a concentration of a sodium element is 5 ppm or less, and a concentration of an iron element is 1 ppm or less on a surface of hexagonal boron nitride particles constituting the powder, the hexagonal boron nitride powder preferably has an average aspect ratio (major axis / thickness) of 1 to 7, and is useful as a filler for resin.

Embodiments of the present application provide a middle frame assembly and a display device, and relate to the display field, and improve flexibility of a heat dissipation mode. The middle frame assembly comprises: a middle frame; a back cover, the back cover and the middle frame have a containing cavity therebetween; a heat equalizing structure located in the containing cavity; and a heat dissipation fin located in the containing cavity, a contact area between the heat dissipation fin and the heat equalizing structure being variable.

A heat dissipation structure of a cooling plate for a power semiconductor module, the present heat dissipation structure comprising a power chip, a first solder layer, a copper-clad ceramic substrate, a second solder layer and a cooling plate body, which are sequentially arranged from top to bottom. The heat dissipation structure further comprises a straight rib mechanism and a pin rib mechanism, wherein the straight rib mechanism is arranged on a bottom surface of the cooling plate body, and the pin rib mechanism is arranged on the surface of a straight rib mechanism. The heat dissipation structure overcomes the defects of a traditional flat-plate cooling plate, effectively increases the convection heat exchange coefficient and heat dissipation area of the fluid-solid contact surface, increases the transferred heat caused by the macroscopic flow of the fluid and the delivered heat generated by the heat conduction of molecules in the fluid, enhances the heat dissipation performance of the power semiconductor module, improves the thermal reliability of the power semiconductor module, and prolongs the service life thereof.

This application proposes a modified polyimide composite material and its preparation method, belonging to the field of polymer composite material technology, to solve the problems of poor thermal conductivity of existing PI materials, the need for blending with fillers to improve thermal conductivity, and the resulting interfacial compatibility issues and damage to the material's physical properties. The modified polyimide composite material includes a polyimide matrix and a three-dimensional covalently bonded hybrid network dispersed within the polyimide matrix. The surface of the three-dimensional covalently bonded hybrid network is modified with unreacted carboxyl groups and / or amino groups, which can form chemical bonds with the polyimide matrix. The three-dimensional covalently bonded hybrid network is composed of one-dimensional carbon nanotubes and two-dimensional boron nitride nanosheets covalently linked by bifunctional bridging molecules, and the bonding between the bifunctional bridging molecules and the carbon nanotubes and / or boron nitride nanosheets includes dynamic covalent bonds. The carbon nanotubes and / or boron nitride nanosheets are modified with amino groups. This network synergistically improves the mechanical, thermal, and electrical properties of the composite material.

The application discloses a cable capable of dissipating heat in a high-temperature environment, which comprises an insulating rubber body, a second mounting area, a mounting groove, a first traction steel wire, a first conductor, heat-dissipating silica gel, a heat-dissipating opening, a heat-dissipating aluminum sheet, a heat-conducting silica gel sheet, heat-dissipating rubber, an outer insulating rubber and a heat-dissipating rubber column, a first steel wire hole is formed in the insulating rubber body, a first traction steel wire is arranged in the first steel wire hole, a first mounting area is formed in the insulating rubber body, six first mounting areas are formed, and every three first mounting areas form a group. The application has the advantages that the heat-dissipating performance is good, the conductor utilization rate is high, the performance-price ratio is high, the internal heat-conducting heat transmission performance is good, the heat-dissipating opening can effectively dissipate heat, and the traction steel wire can effectively protect the cable from being broken due to its own weight.

A composition for forming a colored layer includes a dye (A), an ionizing radiation-curable resin (B), a photoinitiator (C), and a solvent (D). The dye (A) contains a first colorant and a second colorant, the first colorant has a wavelength of maximum absorption in a range of 470 nm to 530 nm, and an absorption spectrum with a full width at half maximum of 15 nm to 45 nm, the second colorant has a wavelength of maximum absorption in a range of 560 nm to 620 nm, and an absorption spectrum with a full width at half maximum of 15 nm to 55 nm, and the ionizing radiation-curable resin (B) contains a resin having an amine structure.

The utility model relates to the technical field of seeding machines, in particular to a clay land seeding machine which comprises a main body, and the side face of the main body is fixedly connected with a land piling and ridging assembly and a ditching and fertilizer spreading assembly. Fertilizer in the first fertilizer box and the second fertilizer box is directly discharged from the space between the depth limiting wheels and scattered on the ground, and then the seeding disc furrow opener is used for furrowing, so that the fertilizer can be drawn into a furrow, the fertilizer can be kept in the furrow, the soil absorption efficiency is improved, and the soil quality is improved. According to the invention, crops can fully absorb sufficient fertilizer, the expected growth effect is achieved, the range of the ridges can be controlled by using the stacking disc and the crushing fluted disc, the crops can grow under the specified ridges, the crops can grow orderly, the orderly ridges become loose soil piles, the soil is loose, the permeability is good, and the quality of the crops is improved. The air is sufficient, the heat preservation performance is improved, the soil heat is increased, crop growth is promoted, and the fertilizer and water retention capacity of soil is improved.

The application relates to the technical field of aerosol generation, in particular to a heating assembly and an aerosol generating device. The heating assembly comprises a first heat conductor, a second heat conductor and a heating body. The heating body is arranged on at least two of the side wall, the bottom wall and the second heat conductor. The heating body is used for generating heat and conducting the heat to the first heat conductor and the second heat conductor. The inner surface of the side wall is provided with a plurality of protruding portions. An air inlet channel is formed between two adjacent protruding portions. The air inlet channel is communicated with the external environment through an opening. Since the heating body is arranged on at least two of the side wall, the bottom wall and the second heat conductor, the heating area can be further increased, which helps to improve the generation speed of the aerosol. The contact between the first heat conductor, the second heat conductor and the aerosol generating article can improve the heat transfer efficiency and the heat utilization rate. The air inlet channel is formed by the protruding portions, so that the heat conduction, heat radiation and hot air flow can synergistically act on the heating body to solve the problem of uneven heating.

The utility model discloses a detection vessel for food safety detection, which relates to the technical field of detection vessels and comprises a detection vessel body and a support frame, a circuit box is mounted at the bottom of the support frame, a stirring motor is mounted at the top of the circuit box, and a stirring shaft is mounted at the output end of the stirring motor. A heating pipe is mounted on the inner wall of the detection vessel body, an observation groove is formed in the inner wall of the detection vessel body, and a transparent glass plate is mounted on the inner wall of the observation groove. According to the utility model, the heating mechanism is arranged, firstly, the stirring motor works to drive the stirring shaft to rotate to stir a sample, then the heating pipe is started to heat the sample, the stirring shaft enables the heating to be more uniform, and then whether the sample has obvious change or not is observed through the observation groove and the transparent glass plate; and then detecting the sample through an instrument.

The utility model discloses an electric water heater, including phase change gall and water gall, be provided with heating rod in water gall, and heating rod is used for heating the water in water gall, the phase change gall has the phase change material for heat storage and heat release, and the phase change gall still includes the heat exchange pipe who communicates with water gall, and the water that flows through heat exchange pipe can absorb heat from phase change material, can also release heat to phase change material, in the height direction of phase change gall, along the flow direction of water, at least partial heat exchange pipe is arranged from top to bottom, and the electric water heater still includes the circulation pipe who communicates water gall and heat exchange pipe, when heating rod works, and the hot water in water gall can circulate and flow between heat exchange pipe and water gall through circulation pipe. The electric water heater provided in the application embodiment can simplify the structure and manufacturing process of electric water heater, reduce manufacturing cost and use cost, realize efficient energy storage simultaneously, in addition, can also maintain the better heat exchange effect in the long term in the use process.

The invention relates to the technical field of moxibustion beds, and discloses a moxibustion bed and a use method thereof.The moxibustion bed comprises a fixing frame, a bed plate is fixedly mounted at the top of the fixing frame, and a translation assembly is movably mounted in the fixing frame. During use, a second driving motor is started, an output shaft of the second driving motor drives a third lead screw to rotate, and due to the limiting effect of a third guide sliding rod on a threaded translation block, the threaded translation block is connected to the outer surface of the third lead screw in a threaded and sleeving mode; when the threaded translation block moves back and forth, the flexible metal net is driven to move through the connecting rod, when the surface of a moxa stick in the moxibustion disc is covered with much ash, the flexible metal net is driven to move horizontally at the top of the moxibustion disc through the ash removal assembly, and the flexible metal net scrapes the ash generated by combustion of the surface of the moxa stick; the first driving motor is combined to realize the vertical lifting of the moxibustion disc, so that the distance between a moxa stick in the moxibustion disc and the moxibustion part of the human body is changed, and the effect of controlling the moxibustion temperature is achieved.

The application relates to a heat dissipation device with a heat recovery function and an electronic device, wherein the heat dissipation device with the heat recovery function comprises a heat conduction box body with a first heat conduction box wall and a second heat conduction box wall; a thermoelectric conversion structure comprises a first thermoelectric conversion assembly arranged in the heat conduction box body, the first thermoelectric conversion assembly comprises at least one first thermoelectric conversion sheet, each first thermoelectric conversion sheet has a first cold surface and a first hot surface arranged oppositely, the first hot surface is attached to the inner surface of the first heat conduction box wall, and the first cold surface is adapted to indirectly contact the inner surface of the second heat conduction box wall; a heat dissipation assembly comprises a first heat dissipation fin, a substrate and a first heat conduction pipe group, the substrate is arranged between a heat source of the electronic device and the first heat conduction box wall, and two oppositely arranged surfaces are directly in contact with the heat source and the first heat conduction box wall respectively; the heat conduction box body is arranged between the first heat dissipation fin and the substrate, and the substrate is connected with the first heat dissipation fin through the first heat conduction pipe group; and the thermoelectric conversion effect and the heat dissipation efficiency are both high.

The utility model discloses hydraulic swing type grinding equipment, and particularly relates to the technical field of grinding, the hydraulic swing type grinding equipment comprises a hydraulic swing type grinding machine main body, the rear end of the hydraulic swing type grinding machine main body is provided with a feed port, the rear end of the hydraulic swing type grinding machine main body is fixedly provided with a feed hopper, the feed hopper is communicated with the feed port, and the feed port is communicated with the hydraulic swing type grinding machine main body. A drying assembly is arranged in the feeding hopper and comprises a mounting plate, the mounting plate and the feeding hopper are detachably connected together, the mounting plate makes contact with the outer wall of the hydraulic swing type flour mill body, and a swing frame is arranged at the rear end of the mounting plate. The swing frame plays a role in buffering materials in the feeding hopper, meanwhile, the servo motor drives the rotating rod to drive the connecting plate and the swing frame to swing in a reciprocating mode, the materials can be prevented from blocking the swing frame, the heating plates on the swing frame emit heat, heat in the feeding hopper can be improved, the materials are dried, and the drying efficiency is improved. And wet materials are prevented from blocking the feeding hopper and influencing the grinding effect of the grinding machine.

The utility model relates to the technical field of glue processing, and provides a glue boiling device special for an IC (integrated circuit), which comprises a U-shaped plate and a barrel body, annular cylinders are fixedly mounted at the centers of two ends of the barrel body, the two annular cylinders are movably embedded in opposite surfaces in the U-shaped plate, and the glue boiling device further comprises an annular gear fixedly mounted at one end of one annular cylinder; a special glue raw material for an IC is added into a barrel body through an L-shaped pipe, two electric telescopic rods drive an arc-shaped heating plate to be attached to the outer surface of the barrel body, the barrel body and the special glue raw material for the IC in the barrel body can be heated, meanwhile, a first driving motor and a second driving motor are started, the second driving motor drives a gear to rotate, and the gear drives an annular gear to rotate; the annular gear is fixedly arranged on the outer surface of one annular cylinder in a sleeving manner, so that the barrel body can be driven to rotate on the U-shaped plate through the annular cylinders, the barrel body can be uniformly heated through rotation, and heat can be better transferred to the special glue raw material for the IC in the barrel body.

The utility model discloses a blast furnace slag flushing water waste heat recovery heat pump, including support baseplate, the upper surface fixed mounting of support baseplate has heat pump machine, the upper surface fixed mounting of support baseplate has intercepting box, the upper surface fixed connection of support baseplate has fixed block, the upper surface fixed connection of fixed block has filter assembly, the inside of intercepting box is provided with intercepting grid, filter assembly includes filter cartridge, the inner ring screw thread connection of filter cartridge has screw cap, the inner wall screw thread connection of screw cap has quartz sand filter screen, one end of screw cap is fixedly connected with the connector, the top of support baseplate is equipped with precision filter, one end of precision filter is fixedly connected with the communicating pipe. The device passes through the pretreatment filter structure, guarantees the stable operation of heat pump machine, makes it can continuously efficiently promote the heat of the slag flushing water to higher temperature, satisfies the heat utilization demand, improves the waste heat recovery efficiency.

The utility model relates to the technical field of sauna room design, in particular to a sauna room which comprises a room body, a seat is arranged in the room body, the seat is fixed on the inner side wall of the room body in a suspended mode, and a sauna furnace is arranged below the seat. The sauna furnace comprises a furnace body, a heating pipe arranged in the furnace body and a protection box arranged on the outer side of the furnace body in a sleeving mode, the furnace body is hung in the protection box, and the furnace body is evenly filled with a plurality of heating stones; a plurality of groups of heating pipes are arranged, and the heating pipes are coiled along the inner wall of the furnace body; the protection box and the seat are arranged at the same height, grids used for dissipating heat are arranged on the side walls of the periphery of the protection box, and each grid is of an inclined opening structure with an upward opening. According to the sauna room, the sauna furnace and the seat are integrated and hidden in the seat, so that visual interference is reduced, the space conciseness is improved, and heat in the sauna room can be more uniform; therefore, the overall quality and the use experience of the sauna room can be improved.

The present application relates to the field of supporting the expanding shaft, in particular to a kind of air pressure mechanical inner expanding mechanism, including fixed shaft, inclined plane axle and rotating shaft, the surface of rotating shaft is all set with through hole around, each through hole is equipped with a steel ball, the surface of inclined plane axle is set with the inclined plane ring groove that is engaged with steel ball around a week at the position corresponding steel ball, the position of rotating shaft around corresponding each steel ball is also equipped with an arc surface heat conduction sheet, rotating shaft is coaxially equipped with rubber expansion sleeve, rotating shaft is equipped with elastic recovery component around, the end of rubber expansion sleeve towards fixed shaft is equipped with coaxial limiting component, the present application is supported fixed tube core by rubber expansion sleeve, and by keeping the coaxial state between tube core and rotating shaft by coaxial limiting component, so that rubber expansion sleeve is kept stable when being processed, in order to restore the elasticity of rubber expansion sleeve, by elastic recovery component to improve the heat of rubber expansion sleeve, so that rubber expansion sleeve restores elasticity, improves the processing effect of tube core.

The invention discloses a control method of an air conditioner, the air conditioner and a storage medium, and relates to the technical field of air conditioners. An exhaust port and an air return port of a compressor in the air conditioner, a first heat exchanger and a second heat exchanger all communicate with a reversing assembly; a first pipe section between the first heat exchanger and the first throttling device is in heat exchange connection with a second pipe section on an air supply branch, one end of the air supply branch is connected with a third pipe section between the first pipe section and the first throttling device, the other end of the air supply branch is connected with an air supply port of the compressor, and the air supply branch is provided with an air supply valve. The method comprises the steps that the air conditioner is controlled to operate so that the first heat exchanger can be in a condensation state and the second heat exchanger can be in an evaporation state; under the condition that the air conditioner meets the defrosting starting condition, the first throttling device is controlled to increase the opening degree to the defrosting opening degree for operation, and the gulp valve is controlled to be opened; wherein the defrosting starting condition indicates that the second heat exchanger is in a frosting state. The indoor comfort in the defrosting process is improved, and meanwhile the defrosting effect is improved.

The utility model relates to the technical field of kitchen cooking utensils, and particularly discloses a vacuum cooking utensil with a good sealing effect, which comprises a pot body, a pot cover and a sealing ring. The pot body comprises a pot body and an inner pot arranged in the pot body, and the opening part of the inner pot is provided with a flange extending outwards; the sealing ring comprises a connecting part and a sealing part connected with the connecting part; the sealing part comprises a first sealing lip and a second sealing lip; the first sealing lip is configured to obliquely extend from the connecting part to the inner side of the sealing ring, and is attached to the part, close to the interior of the inner pot, of the turned-over edge in a cover closing state so as to prevent gas in the inner pot from escaping during positive pressure; and the second sealing lip is configured to obliquely extend from the connecting part to the outer side of the sealing ring, and is attached to the part, far away from the interior of the inner pot, of the flange in a cover closing state so as to prevent external air from entering the internal space of the inner pot under negative pressure. The sealing requirements in two pressure states can be met at the same time, and the problem of unstable pressure caused by gas leakage or external gas entering is solved.

The utility model discloses a kind of polyurethane raw material premixing devices of anti-solidification, it is related to polyurethane production technical field, including mixing tank, the outer surface of mixing tank is fixedly connected with No. 2 outer sheath, the outer surface of mixing tank and located inside No. 2 outer sheath is equipped with air inlet, the inside fixed connection of No. 2 outer sheath has electric heating rod, the outside of No. 2 outer sheath is equipped with two No. 1 outer sheath, between the end of two No. 1 outer sheath is fixedly connected, the middle of two No. 1 outer sheath is all equipped with air inlet, the utility model is equipped with No. 1 outer sheath, drainage fan and electric heating rod, when using, the heat on electric heating rod can be brought into mixing tank by the action of airflow, using flowing heat, can make polyurethane raw material evenly heated, and simple structure, convenient to use, heat transfer efficiency is higher, more uniform, heat promotion, can promote the dispersion of polyurethane, to facilitate the dispersion of polyurethane, avoid solidification.

The utility model discloses a heat radiation device, a ray tube and a CT device with the ray tube, the heat radiation device comprises a cooling sleeve body, a plurality of first channels, a plurality of second channels, a plurality of radiating fins and a plurality of radiating fins, the cooling sleeve body is provided with a through mounting cavity along the axial direction so as to be sleeved outside a rotor copper sleeve, and the first channels are used for cooling liquid circulation; the first matching part is connected with one end of the cooling jacket body so as to be matched with the anode target, and a plurality of second channels communicated with the first channel are defined in the first matching part; and the second matching part is connected with the other end of the cooling sleeve body so as to be connected with the bearing sleeve, and a plurality of liquid inlets and liquid outlets which are communicated with the first channel are formed in the second matching part. According to the heat dissipation device provided by the embodiment of the utility model, the heat of the anode target can be absorbed, the temperature of the anode target is reduced, and the cooling speed of the anode target is accelerated; the heat radiated to the rotor copper sleeve by the anode target is greatly reduced; heat radiated to the heat dissipation device by the rotor copper sleeve is increased, and the service life of the rotating anode assembly is prolonged.

The utility model relates to the technical field of oven, provide a kind of oven of reducing energy consumption, including cabinet, the inner wall on the bottom of cabinet is fixed with rotating structure, the top of rotating structure is provided with inner bag, the both sides of the top of inner bag are all opened with air slot, the top of cabinet is hinged with top cover, the outer wall of cabinet is fixed with heat preservation structure.The utility model is provided with heat preservation structure, and double heat insulation layer is formed by inner thermal insulation layer and outer thermal insulation layer, and the heat preservation effect is optimized for different temperature intervals, the adhesive layer ensures that the thermal insulation material is closely attached to the cabinet, the protective block enhances the edge sealing property, the inner thermal insulation layer and outer thermal insulation layer are combined, the high-temperature resistance and moisture-proof requirements are considered, the device has the function of conveniently insulating the cabinet, and the working efficiency of the oven for reducing energy consumption is improved when in use.

The utility model relates to a heat exchange assembly of a fuel heater for passenger car heating. The heat exchange assembly comprises a pipeline and a plurality of fin sets. Smoke circulates in the pipeline, and the outer side of the pipeline is in contact with a heat exchange medium. The plurality of fin groups extend along the flowing direction of the flue gas in the pipeline; the fin group comprises a plurality of fins, and the plurality of fins are arranged along the circulation direction; and the extension direction of at least part of the fins in the fin group is inclined relative to the circulation direction. According to the utility model, firstly, the heat exchange area of the fin group in unit length is increased, secondly, when flue gas circulates in the pipeline, the turbulence degree of the flue gas is increased by the structure of part of the fins, so that the flue gas is more fully contacted with part of the fins, the waste heat of the flue gas is fully absorbed, the waste heat discharged out of a vehicle is reduced, and the energy efficiency of an air conditioner is improved.

The utility model relates to the field of softening treatment of traditional Chinese medicinal materials, and discloses a softening device convenient for softening the traditional Chinese medicinal materials by using steam, which comprises a support, two groups of supporting blocks and a placing barrel, two sides of the top of the support are fixedly connected with two groups of supporting blocks, and one sides, close to each other, of the two groups of supporting blocks are movably connected with the placing barrel; a conveying pipe is fixedly connected to the outer side of the containing barrel, a steam generator is fixedly connected to the other end of the conveying pipe, the bottom of the steam generator is fixedly connected with the top of the support, and the stirring device is arranged in the containing barrel and used for stirring traditional Chinese medicinal materials. The situation that the medicinal materials cannot be evenly turned over in the softening process, it cannot be guaranteed that each part of medicinal materials can be evenly heated, and consequently the medicinal materials adhere to one another and are stacked is avoided, each traditional Chinese medicinal material can be effectively softened, and even heating and softening of the traditional Chinese medicinal materials are greatly improved.

The present application provides a small and high heat dissipation efficiency light emitting device and heat dissipation component. The light emitting device comprises: a heat sink having a front surface and fins extending in a first direction perpendicular to the front surface; a fan blowing air towards the heat sink in a second direction perpendicular to the first direction; a wind direction control component provided with a gap into which the fins are inserted; a housing supporting the heat sink, the fan and the wind direction control component; and a light source part directly or indirectly arranged on the front surface of the heat sink, wherein the fins extend to the inner wall of the housing.

The application provides an electric core and a battery. The electric core comprises a shell, a cylindrical main body part, and a containing space formed by the main body part; at least one end of the main body part in the axial direction is configured as an open end; a thickening part and a supporting part are connected to the inner side of the main body part close to the containing space; the thickening part is arranged in a stack mode close to the open end of the main body part; and the supporting part extends towards the containing space in the radial direction of the main body part; a cover plate assembly is connected to the open end; the cover plate assembly comprises a cover plate body connected to the side of the thickening part away from the main body part and abutting against the surface of the supporting part close to the open end. The electric core provided by the application can ensure reliable connection between the cover plate body and the thickening part by connecting the thickening part arranged in a stack mode to the main body part at the position close to the open end of the main body part, so as to increase the total thickness of the shell at the position.

This utility model relates to the technical field of air source heat pump water heaters, and in particular to an easy-to-maintain air source heat pump water heater. It includes a water heater body, which comprises a shell. The surface of a water outlet pipe is fixedly connected to the inner wall of the shell. A through hole is formed on the surface of the water outlet pipe. A movable pipe is movably connected to the surface of the water outlet pipe. A connecting ring is fixedly connected to the surface of the movable pipe. A fixed pipe is fixedly connected to the surface of the water outlet pipe. A threaded rod is fixedly connected to the surface of the fixed pipe. A nut is installed on the surface of the connecting ring. A cleaning mechanism is installed on the inner wall of the shell. The cleaning mechanism includes a pipeline pump, the surface of which is fixedly connected to the inner wall of the shell. A seventh connecting pipe is fixedly connected to the output end of the pipeline pump, and an eighth connecting pipe is fixedly connected to the input end of the pipeline pump. This utility model improves the ease of cleaning air source heat pump water heaters.

A drying system for a Polygonatum sibiricum production line, relating to the technical field of Polygonatum sibiricum processing equipment, includes a belt conveyor and a conveyor-type dryer arranged sequentially, and a cutting machine located on one side of the belt conveyor. A material spreading mechanism is provided between the discharge port of the cutting machine and the conveyor belt of the belt conveyor. The material spreading mechanism includes a support and a sliding plate mounted on it. The sliding plate is inclined along the width direction of the conveyor belt, with one end located below the discharge port and the other end inclined downwards towards the upper surface of the conveyor belt. The width of the sliding plate on the side closer to the discharge port is greater than the width on the side away from the discharge port. This invention, through the structural design and inclined arrangement of the sliding plate, allows Polygonatum sibiricum particles to naturally disperse and slide onto the upper surface of the conveyor belt, effectively solving the problem of unilateral bias, achieving uniform material spreading, replacing manual intervention, improving the consistency of heating and ventilation of Polygonatum sibiricum particles in the subsequent drying process, and ultimately improving the uniformity of the dried quality of the Polygonatum sibiricum particles.

The application relates to a calculation method of thermal thickening and ablation of an ice cover under snow cover, which comprises the following steps: establishing a basic heat conduction equation of a snow cover and an ice cover; calculating the time-space change of water temperature under the ice cover; establishing a mathematical model of heat exchange between the snow cover and the atmosphere; vertically distributing the snow surface temperature, net heat flux and ice cover temperature; and numerically simulating the ice thickness at 0 DEG C. s <0℃ when the ice thickness; thermal ablation of the snow cover and the ice cover. The application firstly establishes the basic heat conduction equation of the snow cover and the ice cover, then calculates the heat exchange between the snow cover and the atmosphere, and vertically distributes the snow surface temperature and the ice cover temperature, and finally carries out critical condition and numerical simulation of the thermal thickening and ablation of the ice cover, so that the calculation precision of the thermal thickening and ablation of the ice cover under the snow cover is improved, and a scientific calculation basis is provided for ice flood prevention of rivers.