39results about How to "Avoid heat exchange" patented technology

The utility model discloses a cooling device for textile auxiliary production, which comprises a barrel, a water outlet pipe and a liquid inlet pipe are arranged at the top of the barrel, a first flow dividing pipe and a second flow dividing pipe are arranged in the barrel, the liquid inlet pipe is communicated with the first flow dividing pipe and the second flow dividing pipe, a first water storage tank and a second water storage tank are arranged in the barrel, and the first water storage tank and the second water storage tank are communicated with each other. The first flow dividing pipe is located on the outer side of the second flow dividing pipe, the first water storage tank is located on the outer side of the second water storage tank, the first water storage tank is located on the outer side of the first flow dividing pipe in a wrapped mode, the second water storage tank is located on the outer side of the second flow dividing pipe in a wrapped mode, and a heat preservation layer is arranged outside the barrel. The heat preservation layer is located on the outer side of the first water storage tank, and a liquid outlet pipe and a water inlet pipe are arranged at the bottom of the barrel. According to the cooling device for textile auxiliary production, a large amount of textile auxiliary can be cooled at a time, meanwhile, the cooling efficiency of the textile auxiliary can be improved, and the cooling device is convenient to use.

This invention provides a method for determining the oil level of a compressor and an air conditioning system. The compressor has an oil sump, and a throttling element and a liquid temperature sensor are sequentially installed at the outlet of the oil sump. The liquid temperature sensor is used to measure the temperature Tk of the fluid flowing out of the oil sump after being throttled by the throttling element. The method includes: acquiring the compressor's high-pressure Ph, low-pressure Ps, discharge temperature Tp, and fluid temperature Tk; determining the compression ratio Px based on the high-pressure Ph and low-pressure Ps; calculating the predicted oil temperature Tkcal of the compressor based on the compression ratio Px, discharge temperature Tp, and low-pressure Ps; calculating the difference ΔT between the predicted oil temperature Tkcal and the fluid temperature Tk, and comparing the difference ΔT with preset dynamic parameters; and determining whether the compressor's oil level is qualified based on the comparison result of the difference ΔT and the dynamic parameters. The control method of this application is simple, convenient, reduces manual intervention, and has high accuracy.

The utility model relates to the technical field of sterilization, and discloses a sterilization device for dairy product production, which comprises a shell, two electric push rods are fixedly connected in the shell, the bottoms of the two electric push rods are fixedly connected with the same scraping block, the top of the shell is fixedly connected with a motor, and the motor is fixedly connected with a motor. A motor is fixedly connected to the bottom of the shell, a vertical shaft is fixedly connected to the bottom of the motor, a plurality of stirring rods are fixedly connected to the outer side of the vertical shaft, two scraping rods are fixedly connected to the bottom of the vertical shaft, and a heating pipe is fixedly connected to the interior of the shell. The sterilization device for dairy product production has the advantages of being low in use cost, clean in discharging and the like, and solves the problems that when the sterilization device is used, most existing sterilization devices do not have a wall scraping function, so that the inner walls of the sterilization devices adhere to a large number of dairy products when the dairy products are discharged after sterilization is completed, and then the dairy products are wasted; and the use cost of the sterilization device is increased.

The utility model discloses an air-cooled cooking utensil which comprises a pot body and a pot cover covering the pot body, the pot body comprises an outer pot and an inner container arranged in the outer pot, a cooling fan is arranged on the side wall of the pot body, and a food amount mark is arranged on the side wall of the inner container. The food quantity mark comprises a minimum marking line, a maximum marking line and a median line located between the maximum marking line and the minimum marking line, and at least part of the area, projected towards the inner container, of the air outlet of the cooling fan is located above the median line so as to blow air flow to the area above the median line. In the pressure reduction stage of the cooking process, part of air flow blown out by the cooling fan flows towards the area above food in the inner container, so that the air flow preferentially makes contact with the area, above the food materials, of the inner container for cooling, and an original heat transfer route is changed from water vapor in the inner container to the food in the inner container to the side wall of the inner container to cold air. And water vapor in the inner container, the side wall of the inner container and cold air are adjusted, so that a heat transfer path is shortened, the temperature of gas in the inner container can be quickly reduced, and quick pressure relief is realized.

The invention relates to the field of beverage brewing control, and discloses a beverage brewing control method and a beverage brewing control device.The method comprises the steps that in response to a brewing instruction, flushing parameters and a brewing program corresponding to the brewing instruction are determined; controlling the water supply assembly to flush a brewing chamber of the brewing assembly according to the flushing parameters, and obtaining the maximum temperature of the brewing chamber in a first time period from the flushing moment of the brewing chamber by the water supply assembly as a first temperature; and controlling the brewing assembly to brew the beverage according to the brewing program. The method further comprises the step that when the first temperature is smaller than the preset cavity temperature, an auxiliary heating assembly in the brewing cavity is controlled to conduct auxiliary heating on the flushing water. According to the beverage brewing device, large heat exchange between the beverage brewing device and brewing water can be avoided, and the taste and the temperature of the finished beverage are improved.

The utility model relates to the technical field of encoder precision testing, in particular to a temperature isolation detection platform for encoder variable temperature precision testing, which mainly comprises a rotating spindle, a reference turntable and a temperature control box, the temperature control box has heating and refrigerating functions and is used for adjusting the environment temperature of a tested encoder in precision testing, and the temperature control box is used for detecting the temperature of the tested encoder. The tested encoder is arranged in the temperature control box and is connected with the rotary main shaft, and the rotary main shaft penetrates through a shaft hole in a bottom panel of the temperature control box and is coaxially connected with the reference rotary table; and the rotating main shaft is made of a thermal insulation material and is used for isolating heat exchange between the tested encoder and the reference turntable through the rotating main shaft. According to the utility model, the precision performance of the encoder at different temperatures can be tested through the temperature control box, and a temperature-precision curve is formed, so that the temperature performance of the encoder at different temperatures and possible errors can be known, and the errors can be compensated.

The utility model provides a sulfur dioxide storage device of a glass kiln and the glass kiln, and the sulfur dioxide storage device comprises a gas storage tank used for storing sulfur dioxide gas; the heating mechanism comprises two heating layers, the number of the heating layers is two, and the two heating layers are in butt joint so that the gas storage tank can be wrapped in the heating layers; wherein the heating layer comprises a coil pipe, the coil pipe comprises a water inlet, and the water inlet is used for discharging hot water into the coil pipe so as to heat sulfur dioxide gas in the gas storage tank. According to the sulfur dioxide storage device disclosed by the invention, the two heating layers are in butt joint, the gas storage tank is coated in the heating layers, and the gas storage tank is heated by hot water in the coil pipe, so that the temperature of sulfur dioxide gas discharged from the gas storage tank meets the requirements of a glass processing technology, and the glass processing quality is ensured.

The utility model discloses a fuel oiling machine calibrating device, and belongs to the technical field of oiling machine calibrating equipment. The fuel oil temperature adjusting device overcomes the defects that in the prior art, a fuel oil temperature adjusting device in a fuel oil dispenser calibrating device is complex in structure and high in cost. The device mainly comprises an inner tank and an outer tank, the inner tank is arranged in the outer tank, the outer tank comprises an outer shell and an inner shell, an outer heat preservation cavity is formed between the outer shell and the inner shell, a heat preservation body is installed in the outer heat preservation cavity, an inner heat preservation cavity is formed between the inner shell and the inner tank, and a first oil injection pipe communicated with the inner heat preservation cavity is installed at the top of the outer tank. A first oil discharging pipe communicated with the inner heat preservation cavity is installed at the bottom of the outer tank, a first valve is installed on the first oil discharging pipe, a verification cavity for containing fuel oil is formed in the inner tank, a liquid level pipe and a second oil filling pipe which extend upwards out of the outer tank are installed at the top of the inner tank, and a second oil discharging pipe which extends downwards out of the outer tank is installed at the bottom of the inner tank. A second valve is mounted on the second oil discharging pipe.

This utility model relates to the field of drinking water equipment technology, and discloses a water circuit board assembly and drinking water equipment. The water circuit board assembly includes: a lower water circuit board for installing the cooling component and the heating element, and connecting the water tank and the heating element through the lower water circuit board; a water tank water circuit board, integrated into and connected to the water tank, and installed and connected above the cooling component; the water tank water circuit board is connected to the heating element. The lower water circuit board and the water tank water circuit board provided by this utility model adopt integrated water circuit board module and modular design respectively, which not only improves the system sealing and stability of the drinking water equipment, but also simplifies the assembly process of the drinking water equipment and improves the production efficiency of the drinking water equipment. Furthermore, the modular design of the drinking water equipment makes maintenance and upgrades more convenient, and also solves the problems of odor, complex assembly, and low safety caused by messy pipelines in traditional drinking water equipment using silicone tubing.

This invention discloses a wax microsphere forming device and its forming process. The wax microsphere forming device includes a wax liquid storage device, a microsphere nozzle assembly, a microsphere tower, and a fluidization device. The microsphere nozzle assembly is located above and connected to the microsphere tower, and the fluidization device is located below and connected to the microsphere tower. The wax liquid storage device is connected to the microsphere nozzle assembly via a wax liquid pipeline. This invention, by employing a reliable microsphere nozzle assembly and fluidization device, and using a relatively small-sized microsphere tower, not only achieves the production of wax microspheres but also produces wax microspheres with a narrow particle size distribution, high production efficiency, low equipment investment, and a green and environmentally friendly process.

The invention discloses a constant-temperature fusion covering forming mechanism for granular resin 3D printing, and relates to the technical field of granular resin 3D printing, the constant-temperature fusion covering forming mechanism comprises a built-in frame and a third servo motor, auxiliary assemblies used for assisting feeding are arranged on the two sides of the interior of the built-in frame, and each auxiliary assembly comprises an auxiliary frame, a second hydraulic rod, a built-in plate, a material guide frame and a material guide pipe; a second hydraulic rod is arranged in the auxiliary frame. According to the constant-temperature cladding forming mechanism for granular resin 3D printing, the dual-heating design is adopted through the auxiliary assembly, heating wires in a material guiding frame and an auxiliary frame are matched with an S-shaped material guiding pipe, granular resin is fully preheated, the melting temperature is kept stable through a heat preservation layer outside a material barrel, and the situation that the forming quality is affected by temperature fluctuation is avoided; the two sets of built-in plates improve the feeding efficiency, meanwhile, a fault auxiliary discharging function is achieved, the hollow structure of the auxiliary frame and the design of a threaded cover are convenient to maintain, the phenomena of material blocking and material breaking are effectively reduced, and the printing efficiency and stability are improved.

Provided in the embodiments of the present application are a fluid management apparatus and a heat management system, comprising a heat exchange module, a fluid management module, and a connecting member, the fluid management module being positioned on one side of the connecting member and the heat exchange module being positioned on the other side of the connecting member; the fluid management module and the heat exchange module being positioned on different sides of the connecting member facilitates the reduction in volume of the fluid management module.

The invention relates to a timepiece (10) comprising an intermediate piece (11) enclosed by a rear cover (12) and a protective glass (13), said timepiece (10) being characterized in that it comprises an anti-fogging device (100) for said protective glass (13), said anti-fogging device (100) comprising: a transparent conductive oxide layer (105) provided at least on a portion of the inner surface of said protective glass (13); a thermal interface member (106) having a thermal conductivity greater than or equal to 1 W / m * K, arranged in the intermediate piece (11) and configured to: a) ensure heat exchange by contact between the conductive oxide layer (105) and the intermediate piece (11), the intermediate piece (11) and the rear cover (12) being made of a thermally conductive material, or b) ensuring heat exchange by contact between the conductive oxide layer (105) and the back cover (12), the back cover (12) comprising at least one portion (12a) made of a thermally conductive material in contact with the thermal interface member (106).

The invention relates to the technical field of microbial fertilizer preparation, and particularly discloses a composting device for microbial fertilizer preparation. The composting device comprises a rack, a box body is welded to the rack, a temperature adjusting box is welded to the bottom end of the box body, the outer wall of the temperature adjusting box is attached to the outer wall of the box body, and a water inlet pipe is arranged at the bottom end of one side of the temperature adjusting box; the upper side wall of the other side of the temperature adjusting box is connected with a water outlet pipe. Water enters the temperature adjusting box from the water inlet pipe, absorbs heat generated by microbial fertilizer preparation and then is discharged from the water outlet pipe to adjust the temperature of the box body, some microorganisms can be stored for a long time at low temperature, the temperature adjusting box can be used for storing microorganism samples, and the storage time of the microorganisms is prolonged; the stirring of microorganism raw materials has the advantages that the solubility of oxygen can be improved, the solubility of oxygen in liquid can be increased through stirring, it is ensured that aerobic microorganisms obtain enough oxygen, and growth and metabolism of the aerobic microorganisms are promoted.

The application provides a gas heat exchanger, which comprises a metal pipe, a flange and a heat exchange assembly; the metal pipe is provided with a gas passing channel; the flange is used for connecting external gas pipelines; the heat exchange assembly comprises a water inlet pipe, a first collecting pipe, a plurality of branch water pipes, a second collecting pipe, a water outlet pipe and a plurality of heat exchange fins; the water inlet pipe, the first collecting pipe, the plurality of branch water pipes, the second collecting pipe and the water outlet pipe are sequentially communicated; the plurality of heat exchange fins are connected to the plurality of branch water pipes and perform heat exchange with the plurality of branch water pipes; the plurality of heat exchange fins are located in the gas passing channel of the metal pipe; gaps are arranged between the plurality of heat exchange fins, the gaps are used for allowing gas in the gas passing channel to pass through, the gas passes through the plurality of heat exchange fins and performs heat exchange with the plurality of heat exchange fins, the metal pipe is fully utilized, air flows through the gaps between the plurality of heat exchange fins, so that fin heat exchange is realized, the heat exchange coefficient is significantly higher than that of light pipe heat exchange, and the heat exchange effect of the gas heat exchanger is improved.

The present invention discloses a chip stability test device and method at a specific temperature, and relates to the field of chip production technology. The present invention comprises a heat-insulating outer shell, a heat-insulating cover is placed on the top of the heat-insulating outer shell, a plurality of vertically arranged lifting electric push rods are fixedly installed on one side of the heat-insulating outer shell, the telescopic ends of the lifting electric push rods are fixedly installed on the bottom of the heat-insulating cover, a heat-conducting inner box is fixedly installed inside the heat-insulating outer shell, and a chip support table is fixedly installed inside the heat-conducting inner box. The present invention sets a cooling component, when the chip heats up and causes the internal temperature to rise, the heat inside the heat-conducting inner box is quickly conducted through the cooling metal rod to cool down, and when the temperature in the heat-conducting inner box drops back to a specific temperature, each water supply control valve is closed, so that the cooling metal rod slowly conducts heat, delays the temperature rise rate in the heat-conducting inner box, until the temperature again significantly exceeds the specific temperature, thereby reducing the influence of the heat of the chip itself on the stability test results.

This utility model relates to a solidification mold for aero-engine blades, comprising a blade shell membrane, a base plate, a pouring head, a sprue, a runner, and a heat insulation plate. The heat insulation plate includes an inner heat insulation plate and an outer heat insulation plate. The outer edge of the inner heat insulation plate has multiple evenly distributed notches (I). The outer heat insulation plate has a fan-shaped structure with notches (II) on its inner side. Notches (I) and (II) form a channel with the same cross-section as the blade shell membrane. The outer heat insulation plate is detachably installed on the outside of the inner heat insulation plate. This utility model, through the combined design of the inner and outer heat insulation plates and the ingenious cooperation of notches (I) and (II), forms a channel that perfectly fits the cross-section of the blade shell membrane. This design significantly reduces the gap between the blade shell membrane and the heat insulation plate, improves the heat insulation effect, effectively prevents heat exchange at the gap, and achieves a higher and more stable temperature gradient. The detachable connection between the inner and outer heat insulation plates provides convenience for the placement and removal of the blade shell membrane.

The utility model relates to the technical field of food truck carriages, and discloses a convenient-to-connect carriage for a food truck, which comprises a carriage body, the side wall of the carriage body is matched with a truck head, when a connecting plate of the carriage body enters the interior of a quick connector, a telescopic electric cylinder stretches after the elastic clamping head is clamped, so that a locking column enters the interior of a locking hole; the carriage can be quickly connected to the vehicle head, the trouble of manually inserting by using a bolt is saved, and the carriage of the food vehicle can be quickly and conveniently connected; the heat insulation coiled material is released from the winding drum, the push-pull ring is pulled in the direction of the opening and closing door, then the electric push rod retracts to enable the push-pull ring to be tightly attached to the outer wall of the heat insulation coiled material, then the heat insulation coiled material is pressed to the outer wall of the opening and closing door, and therefore shielding heat insulation of the opening and closing door can be achieved; and the problem that much heat is exchanged inside and outside the carriage due to door gaps of the opening and closing door is avoided, and the temperature in the carriage can be kept easily.

The invention discloses an efficient exchange cold and heat energy storage system, which relates to the technical field of underground heat exchangers and comprises a solar water heater, a photovoltaic system, a pump body, a ground source pump, a plurality of superconducting underground heat exchange mechanisms and a PLC (Programmable Logic Controller) control system, the solar water heater and the photovoltaic system are arranged at the top of a house, the pump body, the ground source pump and the PLC control system are arranged indoors, and the superconducting underground heat exchange mechanism is arranged underground; the solar water heater, the pump body, the ground source pump and the underground heat exchange mechanism are communicated through pipelines, and the solar water heater, the photovoltaic system, the pump body and the ground source pump are all controlled by the PLC system in a linkage mode. Hot water generated by the solar water heater is utilized, and the water pump is driven by electricity generated by photovoltaics to supplement heat of the underground heat exchange mechanism; and cold energy is stored by using the superconductive underground exchanger in summer and extracted during application.

The utility model relates to the technical field of ventilation, and provides a green low-carbon air pipe and outer wall air port mounting structure which comprises an outer wall provided with an air port, shutters mounted in the air port and an air pipe arranged indoors and communicated with the air port. The shutter is installed at the position, close to the outdoor space, of the air opening, a hollow fixing frame is installed at the position, close to the indoor space, of the air opening, the fixing frame is provided with a clamping groove, and the space between the connecting position of the shutter and the air opening and the fixing frame is filled with heat insulation materials. The end, close to the air opening, of the air pipe is provided with a skirt edge which is folded outwards, and the skirt edge of the air pipe is connected into the clamping groove in a clamped mode. The hollow fixing frame is arranged in the tuyere, the skirt edge of the air pipe is clamped in the clamping groove of the fixing frame, and the air pipe is movably connected with the tuyere, so that the noise of the air pipe can be reduced, the sealing performance of the joint of the air pipe and the tuyere is ensured, the heat bridge breaking effect of the air pipe and the tuyere can be improved, and in addition, the air pipe is also convenient to disassemble and assemble.

The utility model relates to a physical cooling tool for infant fever, which comprises a headrest, a water hose and a circulating cooling mechanism, one end of the headrest is communicated with one end of the water hose, and the headrest and the water hose are of hollow structures filled with water; the headrest is used for supporting the back side of the head of the patient, and the other end of the water hose can be pasted to the other end of the headrest through the hook-and-loop fastener after being turned over and covers the forehead of the patient after being turned over; the circulating cooling mechanism is located on the side, away from the patient, of the headrest and communicates with the interior of the headrest through a water outlet pipe and a water inlet pipe, so that water in the headrest and the water hose circularly flows after reaching the preset temperature; the water outlet pipe extends into the headrest and then is divided into a first water outlet hose and a second water outlet hose, the first water outlet hose is located in the water hose and extends in the length direction of the water hose, and the second water outlet hose is located in the headrest and extends in the width direction of the headrest. It is guaranteed that after the water hose is overturned and applied to the forehead of a patient, water in the water hose can circularly flow, and the cooling effect is guaranteed.

The utility model belongs to the technical field of protein purification, and particularly relates to a low-temperature protein purification device. The protein low-temperature purification device comprises a base, a temperature control cylinder and a cover plate, wherein the base is provided with a first phase change energy storage layer, a first heat insulation layer and a first shell from inside to outside; openings are formed in the two ends of the temperature control cylinder, the base is buckled to one end of the temperature control cylinder, and the temperature control cylinder is provided with a second phase change energy storage layer, a second heat insulation layer and a second shell from inside to outside; the cover plate is buckled to the other end of the temperature control cylinder, the base, the temperature control cylinder and the cover plate jointly define a containing cavity, and the chromatographic column is arranged in the containing cavity. Heat in the containing cavity is absorbed through the characteristics of the first phase change energy storage layer and the second phase change energy storage layer, the containing cavity becomes a low-temperature environment, the cover plate, the first heat insulation layer and the second heat insulation layer are arranged, heat exchange between the outside and the interior of the containing cavity is avoided, and the low-temperature environment of the containing cavity is kept. The low-temperature purification cost of the protein is reduced, and the body injury caused by long-term low-temperature environment of an experiment operator is avoided.

The utility model relates to the technical field of cooling devices, in particular to a cooling structure of a speed reducer, which comprises a motor box body, a speed reducer box body connected to the end part of the motor box body through screws, and a motor bearing end cover connected to the other end of the motor box body through screws, four mounting holes are formed in the motor box body, motors are fixed in the mounting holes, a plurality of axial water channels are formed in the peripheries of the mounting holes, the axial water channels are not adjacent to one another, a plurality of channel holes are further formed in the axial water channels, and a plurality of circulating grooves are formed in the speed reducer box body and the motor bearing end cover. The multiple axial water channels are sequentially communicated end to end through the circulating grooves to form a circulating water channel. The structure is suitable for cooling the multi-motor integrated speed reducer, the machining difficulty of the circulating water channel can be reduced, the number of assembly workpieces is reduced, and the heat dissipation effect of the multi-motor integrated speed reducer is effectively improved.

The invention discloses a flexible combined type sealing device and a sintering circular cooler, and belongs to the technical field of sintering circular coolers. The sealing device comprises at least one flexible isolator sealing pressure regulating unit which is arranged in the moving direction of a trolley of the sintering circular cooler, and each flexible isolator sealing pressure regulating unit comprises a steel wire curtain layer capable of falling to the surface of sintered ore along with gravity, a fixing piece and a connecting piece, wherein the fixing piece and the connecting piece are used for connecting the steel wire curtain layer to the inner side of a smoke hood. The two rotatable bolts are arranged in the middle of the outer side of the air outlet pipe, the two iron wires on the two sides of the upper end of the steel wire curtain layer are made to ascend by rotating the two bolts, and therefore the whole steel wire curtain layer is made to ascend. And the air seal sealing pressure regulating unit is matched with the flexible isolation body sealing pressure regulating unit and can spray hot air to the two sides of the lower end of the steel wire curtain layer, so that air seal is formed between the two sides of the steel wire curtain layer and the trolley.

The invention provides a pressure relief system after a sodium water accident, which mainly comprises three relief pipelines where three relief valves are positioned, a multi-stage discharge assembly and a cold sodium pool, and is characterized in that an outlet of an intermediate heat exchanger where a first relief valve is positioned is connected with the relief pipeline of the cold sodium pool; the superheater lower cavity where the second release valve is located is connected with a release pipeline of the multi-stage discharge assembly, and the evaporator lower cavity where the third release valve is located is connected with the release pipeline of the multi-stage discharge assembly. The pressure detector and the temperature detector are installed in the intermediate heat exchanger, the superheater and the evaporator respectively, and the release valve acts after obtaining a detection signal. The multi-stage discharge assembly comprises multi-stage discharge tanks which are connected in series, and pressure relief pieces are installed on outlet pipelines of the multi-stage discharge tanks. And an intermediate heat exchanger is arranged in the cold sodium pool. The pressure relief system can reduce the probability of secondary accidents caused by overhigh pressure of a secondary loop under the condition that the passive rupture disk is exploded or the explosion fails, and effectively prevents equipment damage and even more serious safety accidents caused by pressure surge.

The utility model relates to the technical field of storage devices, and particularly discloses a double-temperature air curtain cabinet which comprises a cabinet body, a thermal insulation plate assembly, a night curtain assembly and a limiting assembly, the cabinet body is provided with a containing cavity and an opening communicated with the containing cavity, and the thermal insulation plate assembly is installed in the containing cavity and divides the containing cavity into a first temperature area and a second temperature area; the night curtain assembly comprises a rotating shaft, a night curtain, a first connecting piece and a second connecting piece, the first end of the night curtain is connected with the rotating shaft, the first connecting piece is connected with the second end of the night curtain, one of the rotating shaft and the second connecting piece is located above the opening, and the other one is located below the opening; the night curtain has the initial state that the night curtain can be wound around the rotating shaft and the working state that the night curtain is unfolded, when the night curtain is in the working state, the night curtain can close the opening, the limiting assembly enables the night curtain to abut against the front end of the heat insulation plate assembly, the first temperature area and the second temperature area can be closed only through one night curtain, and the manufacturing cost is reduced.

The multifunctional dehumidifier comprises a second air duct, an evaporator and a second condenser are sequentially arranged in the second air duct in the air flow direction, and air outside the dehumidifier enters the second air duct through an air inlet of the second air duct. The device comprises a first air duct, the first air duct and the second air duct are arranged in parallel, a first condenser is arranged in the first air duct, the first condenser is communicated with the second condenser, the second condenser is communicated with the first air duct, and the second condenser is communicated with the second air duct. A refrigerant flows into the first condenser for primary heat release and then flows into the second condenser for secondary heat release, air outside a machine enters the first air duct through an air inlet of the first air duct, and the air is discharged through an air outlet of the first air duct after carrying heat released by the first condenser through the first condenser. The multifunctional dehumidifier can have both the heating dehumidification function and the cooling dehumidification function.

The utility model relates to the technical field of insulation boards, and discloses a waterproof flexible insulation board which comprises a board body, a groove is formed in the upper end face of the board body, a plurality of first keels are fixedly connected in the groove, a plurality of first shock pads are fixedly arranged in the groove, a second keel is fixedly connected in the groove, and a plurality of second shock pads are fixedly arranged in the second keel. A second damping pad is fixedly arranged on the lower end face of the second keel, a connecting plate is embedded in the groove, a splicing groove is formed in one side of the plate body, a sealing pad is embedded in the splicing groove, a splicing block is fixedly connected to the side, away from the splicing groove, of the plate body, and a plurality of strong springs are fixedly arranged in the splicing block. The waterproof flexible insulation board has the advantages of being better in strength and flexibility, not prone to breakage, capable of avoiding water leakage at the connecting position, safer to use, more perfect in protection structure and longer in service life.

The invention belongs to the technical field of distillation, and discloses negative pressure energy-saving distillation equipment which comprises a working frame, a square box is fixedly connected to the bottom of the inner wall of the working frame, bearing blocks are fixedly connected to the two sides of the square box, and a wine storage tank is fixedly connected to the bottom of the inner wall, close to the square box, of the working frame. Liquid is input into the distillation tower through a feeding butterfly valve pipe, an annular heating piece is driven and distills the liquid deposited on the top of an inverted cone bearing plate, meanwhile, in the process of starting a vacuum pump, valves of the feeding butterfly valve pipe and a first butterfly valve pipe are controlled, so that the interior of the distillation tower is in a sealed space, and the vacuum pump generates negative pressure; the gas flow in the distillation tower is extracted through the bent pipe, and the pressure in the distillation tower is reduced, so that the boiling point of liquid is reduced, and components in the liquid are separated at a relatively low temperature, thereby not only saving energy, but also protecting heat-sensitive substances and avoiding degradation or loss caused by high temperature.