351results about How to "No condensation" patented technology

The water-thinned flash paint consists of water dispersible acrylic resin, deionized water, water-thinned curing cross-linking agent, water dispersible aluminum powder, dispersant, carboxymethyl butyl acetate resin fiber and water thinned assistant. The water dispersible acrylic resin is prepared with monomer mixture of methyl methacrylate, styrene, butyl acrylate, methacrylic acid, ethoxy methacrylate and acetyl acetoxy methacrylate, and through free radical polymerization. The water-thinned flash paint has regularly arranged water dispersible aluminum powder, and can form paint film with high flash number, great adhesion of metal grain, high water tolerance, etc.

The invention discloses a silicon wafer chemical and mechanical polishing composition with high stability, belonging to the technical field of polishing compositions for roughlly polishing a semiconductor silicon substrate material. The polishing composition comprises the following components in percentage by weight: 0.5-50 percent of silicon dioxide abrasive particles, 0.01-10 percent of silicon-containing stabilizer, 0.01-20 percent of organic alkali corrosive, 0.01 -10 percent of organic acid chelating agent, 0.01-5.0 percent of other functional auxiliaries and the balance of deionized water. The polishing solution has a stabilization period of over 2 years, can perform repeated polishing or cyclic polishing, and has stable pH value and removal speed, wherein the number of cyclic polishing times can be up to 10. Meanwhile, the polishing composition has high silicon wafer removal rate up to over 1.0 mum / min, and the cyclic polishing removal rate in multiple times can be stable. The polishing solution is convenient to prepare and easy to use, has low cost, and is suitable for the rough polishing of silicon wafers of various types and sizes in the semiconductor industry.

The invention provides an insecticidal suspending agent containing dinotefuran. The suspending agent is characterized by being prepared from the following components in mass percentage: 1-30% of the dinotefuran, 0.1-35% of a second active component, 3-9% of a wet dispersant, 0.1-0.5% of a de-foaming agent, 1-6% of an anti-freezing agent, 0.1-4% of a thickening agent, 0.1-0.5% of a preservative, 0-2% of a pH (Potential of Hydrogen) adjusting agent, 0-2% of an antioxidant, 0.5-5% of a functional auxiliary agent and the balancing being water, wherein the second active component is one of bifenthrin, imidacloprid, methylamino abamectin benzoate, cyhalothrin, thiamethoxam, indoxacarb, chlorfenapyr, acetamiprid and ethiprole. According to the insecticidal suspending agent, special components are selected and the content of each component is strictly limited; and the prepared insecticidal suspending agent has the very good fast-acting property and lasting period and has the very good prevention effect on tea lesser leafhopper, aleyrodid, thrips, aphids and the like. After the functional auxiliary agent is added, the insecticidal efficacy is improved by 10-12% when being compared with a medicament which is not added with the functional auxiliary agent.

The invention discloses a high-temperature flue gas cleaning system which is moisture condensation resistant, and tar film pasting resistant. The system comprises a filtering system, a blowback system and an ash discharging system, wherein the filtering system comprises a high-temperature flue gas connecting pipe, at least one part of a filter connected with the high-temperature flue gas connecting pipe and a fan driving the gas to be cleaned to pass through the filter, the filter is respectively connected with the blowback system and the ash discharging system, the blowback system takes protective gas as a blowback medium, and the blowback system is internally provided with a protective gas heater; and when the high-temperature flue gas cleaning system is turned on, the blowback system is taken as a filter core moisture condensation-resistant system for preheating a filter core in the filter in a blowing way, and when the high-temperature flue gas cleaning system is turned off, the blowback system is further taken as a protective gas displacement system for displacing the original gas in the filter in a blowing way. In the stage that high-temperature flue gas cleaning system is turned on, the filter core is preheated by the protective gas, so that the phenomena of moisture condensation and tar film pasting on the surface of the filter core can be avoided.

The invention provides an independent air supply component for an air conditioner, which comprises an outer frame and an air wheel component, wherein the outer surface of the outer frame is spherical; the outer frame is enclosed to form a space; and the air wheel component is arranged in the space of the outer frame. The invention further provides an indoor unit of the air conditioner, which comprises a housing, an air channel formed in the housing, and the independent air supply component for the air conditioner, wherein the independent air supply component is mounted in the air channel of the housing and used for changing an air outlet direction, and the air outlet direction of the independent air supply component for the air conditioner relative to the air channel can be rotated. Relative positions of the air wheel component and the outer frame of the independent air supply component are not changed, and the air outlet direction of the independent air supply component serving as a whole relative to the air channel can be rotated, so that the air outlet direction of the air channel is changed effectively, and the wide-angle and centralized air supply is achieved. The air direction is changed due to the fact that positions of an air wheel and the air channel are changed, so that an air flow of the indoor unit of the air conditioner flows smoothly, no wind resistance is increased in an air flow flowing process, and no condensation is generated concomitantly.

The invention discloses a technology for processing floor films, and relates to the field of floor film processing. The technology for processing the floor films includes steps of (1),mixing ingredients, to be more specific, weighing, by weight, PVC (polyvinyl chloride) resin powder, impact-resistant MBS (methyl methacrylate) resin, ACR (acrylamide) processing agents, di-iso-decylphthalate, internal lubricants, 3-10 parts of external lubricants and phosphate ester flame retardants, stirring the ingredients at the high speeds, and then carrying out cold stirring on the ingredients to obtain mixed materials; (2), carrying out extrusion, plasticization and calendaring molding on the mixed materials; (3), carrying out cooling and ageing treatment; (4), carrying out traction, winding and packaging. The technology has the advantages that the floor films are reasonable in composition proportion, high in light transmittance and suitable for large-scale industrial production, the technology isreasonable in design, and the toughness, the abrasion resistance, the flame retardance and the temperature resistance of the floor films can be enhanced.

The invention discloses a multi-channel differential reaction device, and belongs to catalyst analysis and evaluation reaction device. The multi-channel differential reaction device comprises four systems of a gas-liquid charging system of (1)-(3), a multi-channel reactor system of (4)-(6), an automatic control system (7) and an on-line analysis system (8). The multi-channel differential reaction device adopts a high pressure distributor (4) to distribute a raw material into reaction tubes (6) of all channels. Temperatures of the all reaction tubes (6) are controlled unitedly by a heating furnace (5). The multi-channel differential reaction device is provided with the automatic control system (7) and the on-line analysis system (8) and can satisfy that in a reaction process, at any time, reaction products in all channel reaction tubes can be taken out on line simultaneously, are placed respectively in corresponding quantitative rings and are analyzed orderly through use of a gas chromatography. The catalyst analysis and evaluation reaction device can evaluate a catalyst rapidly and also evaluate and screen multiple catalysts simultaneously under a condition thus saves time spent on research and exploitation of a novel catalyst.

The invention relates to a device for continuously preparing low-temperature dry air with low dew point, mainly comprising the parts as follows: an initial effect air filter, an induced device, a first-level surface refrigerant cooler, a turning wheel dehumidifier, a first-level cryogenic refrigerant cooler, a second-level cryogenic refrigerant cooler and a box body. An end part of the box body is provided with a gas inlet, a tail part of the box body is provided with a gas outlet, the inside of the box body is orderly provided with the initial effect air filter, the induced device, the first-level surface refrigerant cooler, the turning wheel dehumidifier, the first-level cryogenic refrigerant cooler and the second-level cryogenic refrigerant cooler from the end part to the tail part; and the initial effect air filter, the induced device, the first-level surface refrigerant cooler, the turning wheel dehumidifier, the first-level cryogenic refrigerant cooler and the second-level cryogenic refrigerant cooler are orderly connected in series through an air flue. The turning wheel dehumidifier of the device consists of a turning wheel and an air regeneration device; and the device can continuously prepare dry air with absolute water content 0.0003g / kg and the dew point between 80 and 90 DEG C below zero.

The invention discloses a low-temperature retorting method of high-volatile flux fine particle, which is characterized by the following: the method adopts vertical pipe with inner, middle and outer concentric casing to move two sides of outer heat retort furnace, which produces char coal, gas and tar; the needed energy of retorting is provided by fine grain coal in the middle casing ring-shaped space from inner and outer casing high-temperature gas, which proceeds drying and charring steps; the steam and char volatile product are guided out of upper segment steam and lower segment char hole separately; the char coal falls in the char furnace chassis discharger, which is discharged from outlet.

The invention relates to a preparation method of a tin oxide fiber precursor and tin oxide crystal fibers. The preparation method comprises the following steps: carrying out a replacement reaction on halides of tin and potassium (sodium) acetate to synthesize the tin oxide fiber precursor which takes acetic acid as a ligand; concentrating a precursor solution to obtain a spinning solution and carrying out centrifugal silk spinning to obtain tin oxide precursor fibers; and carrying out procedures of special atmosphere pre-treatment, high-temperature heat treatment and the like on the precursor fibers to obtain the tin oxide crystal fibers. According to the preparation method, the long-diameter ratio of the tin oxide crystal fibers is greater than 1000, the tensile strength of the fibers is 0.8GPa-1.1GPa, the whiteness of the fibers is good and the color and luster of the fibers are soft. The preparation method is simple in preparation process, moderate in condition and stable in quality of fibers in batches; spinning sol does not go bad after being placed for a long time. The tin oxide crystal fibers can be applied to the fields of photocatalysis, air sensitivity, humidity sensitivity and the like. The tin oxide fiber precursor can also be used for preparing oxide thin films, nano powder and nano wires or preparing tin-containing functional materials including nano tin oxide fibers and the like by an electrostatic spinning method.

The invention discloses a refrigerator condensation-preventing and heating control method and an application thereof. The refrigerator condensation-preventing and heating control method is characterized in that a condensation-preventing heater is arranged on the inner surface of the part needing condensation prevention of a refrigerator, and the condensation-preventing heater circularly works in a mode of performing heating for t2 seconds and not performing heating for t1 seconds to achieve the condensation-preventing function. By means of the refrigerator condensation-preventing and heating control method, the working mode of automatically adjusting the heater can be achieved under different environment temperatures and different using conditions, condensation cannot be produced on the condensation-preventing part, overheating is avoided, the using energy consumption of the refrigerator is effectively reduced, and the reliability and stability of the condensation-preventing function are improved.

The invention discloses a radiation heat exchange air-conditioning method of ceiling carrying energy by virtue of circulation air. The method is as follows: a metal ceiling is utilized to divide a room into an upper buffer energy storage region and a lower air-conditioning region; the cold and warm air of an air conditioner is not directly fed to the air-conditioning region and fed to the buffer energy storage region at which most air transfers cold and heat energies to the metal ceiling in a heat convection mode and then directly returns back to the air conditioner; a small part of air permeates to the air-conditioning region through micropores on the metal ceiling and returns back to the air conditioner by the air return port after eliminating remained humidity; and the metal ceiling continuously acquires the cold and heat energies from the circulation air so as to gradually enlarge the temperature difference between the metal ceiling and the air-conditioning region, and the air conditioning is carried out on the air-conditioning region in a radiation heat exchange mode. The steps are circularly operated, thereby achieving the radiation heat exchange air-conditioning method of the ceiling carrying the energy by virtue of circulation air. The method has the advantage of energy conservation and quiet, a ceiling radiation heat exchange air conditioner also has the advantage that an air replacing air conditioner is not easy to form dew in summer; and construction cost is proper, and installation and maintenance are convenient. Thus, the method is in favor of popularization and application.

The present invention discloses that with an embodiment of the present invention, the inside of the ice-making chamber provided in the cooling chamber door is provided with the dewing prevention member to suppress a dewing phenomenon generated in the outer surface of the ice-making chamber by colliding the cold air discharged to the inside of the ice-making chamber with the inner wall of the ice-making chamber and the cold air guide is provided in the cold air passing hole of the ice-making chamber to prevent the infiltration of foreign materials in the inside of the ice-making chamber as well as to smoothly perform the circulation of cold air in the inside of the ice-making chamber.

The invention relates to a comminution device for the production of particles (16) from a strip-shaped material (17), said device comprising a longitudinal cutting device (1) having a first cutting roller (2) and having a second cutting roller (3), and a transverse cutting device (4), which is disposed downstream from the longitudinal cutting device (1), wherein the first cutting roller (2) and the second cutting roller (3) each have special profiles according to the invention.

The invention relates to a method and a system for measuring humidity of high-temperature high-pressure high-humidity gas. Aiming at defects and deficiencies of gas humidity measuring methods and instruments at present, the objective and the task of the invention are to provide a novel method for measuring the humidity of the high-temperature high-pressure high-humidity gas comprising gas containing saturated vapor, namely a measuring method in which the humidity and related parameters of the original gas are obtained by a step of subjecting the high-temperature high-pressure gas to pressure-reducing pressure-stabilizing heat-insulating heating treatment, a step of detecting the vapor content in a low pressure and a step of calculating through temperature and pressure conversion. The invention also discloses the system for measuring the humidity of the high-temperature high-pressure high-humidity gas.

The invention provides an oxygen reduction and humidity control curing agent for tobacco leaf storage, comprising a controlled-atmosphere curing agent and a humidity controlled curing agent which are in coordinated use with a use ratio range of (2-10):1. The controlled-atmosphere curing agent comprises the following components: 40-80% of reduced iron powder or pyrite powder, 1-8% of calcium oxide, 0.1-2% of mould proof assistant, 10-21% of activated carbon, 0-12% of sodium chloride, 1-15% of water absorbent, 3-15% of pearlite, 0.1-5% of first water retaining agent, 2-10% of diatomite and 0-10% of water. The humidity controlled curing agent comprises the following components: 30-60% of drier, 2-30% of second water retaining agent and 5-30% of pearlite. The curing agent for tobacco leaf storage can enable the oxygen reduction process to be mild and simultaneously improve dehumidification speed. The invention also provides a manufacturing method of the oxygen reduction and humidity control curing agent for tobacco leaf storage.

This invention relates to a micro-hole rubber hollow glass spacing strip used in hollow glasses composed of rubber, curing agent and aids characterizing that said rubber is composed of EPT rubber and molecular sieve activation powder with the following weight percentage: EPT rubber 100 portions, activation powder 80-200 portions.

The invention discloses a crankcase ventilation system of a supercharger front pre-mixing gas engine. The crankcase ventilation system is used in cooperation with an ECU of the engine and comprises anair inlet branch pipe, a crankcase, an air inlet pipe, an air filter, a mixer, a supercharger, an intercooler and a throttle valve. The position between the air filter and the crankcase communicateswith an air inlet device, and the position between the crankcase and the air inlet branch pipe communicates with a small-load exhaust device. The small-load exhaust device is further connected with alarge-load exhaust device, and the large-load exhaust device and the air inlet branch pipe are arranged in parallel. The air outlet end of the large-load exhaust device is in communication with the part, between the mixer and the supercharger, of the air inlet pipe. A ventilation method of the system is further disclosed. Air is guided into the crankcase from a pipeline in front of the mixer, thecontent of moisture in the crankcase is reduced, accordingly, the dew point of the oil-gas mixer in the crankcase is reduced, the condensation phenomenon cannot happen, condensing and gathering of water steam into engine oil in an oil sump are eradicated, and it is ensured that damage of a lubricating component of the engine due to engine oil deterioration is avoided.

The invention discloses a silicone-acrylate emulsion with high organosilicon content and a preparation method thereof. According to the invention, a one-kettle-two-step emulsion polymerization method is adopted. The preparation method comprises the following steps: firstly carrying out open loop of a ringlike organosilicon monomer cation by the use of through organosiloxane-containing octamethylcyclotetrasiloxane D4, an organosilane coupling agent containing polymerizable double bonds, an emulsifier and deionized water through acid catalysis to prepare a polysiloxane emulsion containing polymerisable double bonds, and adding an acrylate monomer to carry out silicone-acrylate emulsion radical copolymerization under the action of an initiator so as to prepare the silicone-acrylate emulsion with high silicon content (40%). The reaction is stable, and there is no floating oil or coacervation under the condition of high organosilicon content. Synthesized emulsion particles and a formed film have no obvious phase separation. Within the 400nm-800nm wavelength range of visible light, light transmittance of the emulsion film reaches 91%. According to a waterborne glass paint prepared based on the obtained silicone-acrylate emulsion, the adhesive force of the film on the surface of glass is 1 level, water contact angle can reach 95 degrees, and the film has excellent waterproofness.

The invention provides a four-comprehensive-environment test device. The test device comprises a test box, a sample inlet / outlet door, an observation window and a temperature-humidity regulation system, wherein the sample inlet / outlet door and the observation window are located on the test box, the temperature-humidity regulation system is used for regulating and controlling temperature-humidity in the text box, vibration equipment is arranged at the bottom of the test box, the vibration equipment is connected with a vibration control system, the temperature-humidity regulation system and thevibration control system are connected with an environment test control system respectively, a window-door is arranged on each of the two side walls of a box body of the test box, and opening / closingof each window-door is controlled independently through a motor. By the adoption of the test device, both an acceleration test and a natural environment test can be carried out, natural environment factors can be accurately captured in an ocean atmospheric environment, the actual influence of salt mist on a product is accurately simulated, and the test device is suitable for a vibration test on anelectronic product installed on weapon equipment; and the test device also can achieve a temperature, humidity and salt mist enhancing effect in the natural environment, and the phenomenon of condensation cannot occur in the test process.

The invention discloses a gangue porous sintered brick, which is composed of the following raw materials (by weight): 30-45 parts of gangue, 30-45 parts of fly ash and 20-35 parts of shale. The invention also discloses a manufacturing method of the gangue porous sintered brick, comprising the following steps: processing raw materials, stirring and mixing, compressing for moulding, drying and sintering. By the adoption of the technical scheme and by substituting shale for clay, cultivated farmland is avoided from being destroyed. By adding gangue, industrial waste residue can be fully utilized. The gangue can be spontaneously combusted during the sintering process. Then, vertical pores are formed. Therefore, weight per unit volume is reduced, and it is ensured that the brick has better sound insulation and thermal insulation effects. Dew formation will not occur to interior walls in winter. The brick is spontaneously combusted so as to reduce consumption of fuels, and good performance of the sintered brick is guaranteed.

The invention relates to an energy-saving air conditioner cooling system which comprises a fresh air adjustable-air-quantity treatment system, a return air cooling system and an indoor exhaust system which are sequentially communicated to form a blast channel, wherein the indoor exhaust system and return air cooling system are also communicated with a return air channel; the fresh air adjustable-air-quantity treatment system is respectively provided with an outlet air temperature / humidity detection and processing unit and a pressure difference detection and processing unit; the return air cooling system is respectively provided with a blast temperature detection and processing unit, an indoor temperature detection and processing unit and an indoor humidity detection and processing unit; the outlet air temperature / humidity detection and processing unit is arranged on the return air cooling system; and the pressure difference detection and processing unit, blast temperature detection and processing unit, indoor temperature detection and processing unit and indoor humidity detection and processing unit are respectively arranged on the indoor exhaust system. The energy-saving air conditioner cooling system has the characteristics of simple and reasonable structure and low operating cost, and does not generate dew.

The invention belongs to the technical field of heating atomization, particularly belongs to the field of electronic cigarettes, and relates to a high-reduction-degree porous ceramic atomization coreand a preparation method thereof. The preparation method comprises the following steps: measuring a molten material paraffin, adding a solvent into the molten material to melt the molten material intoa liquid, mixing the molten material with oleic acid, and adding 10-21 parts of silicon carbide, 11-24 parts of aluminum oxide, 24-38 parts of quartz glass, 12-18 parts of molten glass powder and 7-26 parts of a pore forming agent; continuously stirring, namely stirring for aging for 6 hours or above to obtain a slurry, pouring the slurry into an atomizing core mold, molding in an injection molding manner, and cooling to form a prefabricated blank; sintering by using a landfill process, namely sintering to 600-850 DEG C in a closed manner, and keeping the temperature for 2 hours; and coolingby adopting air cooling, namely cooling to room temperature to obtain the high-reduction-degree porous ceramic atomizing core. Atomization mist particles of the high-reduction-degree porous ceramic atomization core are reasonable in size, mist beads obtained after tobacco tar is atomized through the ceramic core are full and fine, and the fragrance reduction degree of the atomized liquid is high.

The invention relates to a method for making a kaoline composite super absorbent resin by adopting the room temperature light polymerization method. The method for making the kaoline composite super absorbent resin comprises the following steps that: 2-hydroxide radical-methyl phenyl propane-1-ketone or Michler ketone and benzophenone are taken as evocating agents; N, N-methylene diacrylamide is taken as a cross-linking agent; ethanol and deionized water are taken as a solvent; a small amount of kaoline is added inside the acrylic acid and acrylamide light polymerization reaction system to form a suspended substance and is coated with a layer of polyester film; and the room temperature in situ light polymerization is performed to synthesize the kaoline composite super absorbent resin. Compared with the conventional industrial water solution polymerization method, the method has the advantages that the reaction speed is high, the heating or N2 gas is not needed and the cost is low. The kaoline composite super absorbent resin is white or light yellow gel solid or particle solid, has high gel intensity, the gel rate higher than 90 percent, the water absorbing capacity up to 485 times, the salt absorbing capacity up to 137 times, high water retention property, and the pH value less than or equal to 7, and can be directly used in the agriculture and forestry, etc.

The invention relates to a grain storage refrigeration house and a grain storage method, the grain storage refrigeration house comprises a grain storage bin body, a sealed grain storage refrigerationhouse is arranged in the grain storage bin body, grain is stored in the grain storage refrigeration house, and at least one set of air supply mechanism 6 is arranged at the bottom of the grain storagerefrigeration house; at least one set of air circulation device is arranged in the grain storage refrigeration house and used for pumping the air above the grain surface in the grain storage refrigeration house to the grain bottom for internal circulation; a controller controls operation of the air circulation device according to the received temperature of the a first temperature sensor; or thecontroller controls operation of the air circulation device according to the temperature difference of the first temperature sensor and a second temperature sensor. According to the grain storage method, air is conveyed in winter and used for internal circulation in next summer, the temperature difference of the grain surface and the inside of a grain heap is reduced, moisture condensation cannotoccur to the grain heap, the condition of grain mildewing is avoided accordingly, ageing is not easy to occur to the grain and the good moisture can be kept, and the stored grain quality is improved.

A dry desulfurization and urea solution direct injection denitrification device for flue gas of a sintering machine comprises the sintering machine, an air bellow, an online flue gas monitoring control device, an electric air inlet valve, a reaction tower, a bag-type dust collector, a fan and a chimney. The device is characterized in that the sintering machine is sequentially connected with the air bellow, the online flue gas monitoring control device, the electric air inlet valve, the reaction tower, the bag-type dust collector, the fan and the chimney, an electric flow regulating valve is connected between the air bellow and the online flue gas monitoring control device, the online flue gas monitoring control device is connected with a PLC (programmable logic controller) control box connected with a variable-frequency rotary feeder, the upper side of the variable-frequency rotary feeder is connected with an electronic screw scale connected with a discharger, the discharger is connected with a urea granule bin, and the lower side of the variable-frequency rotary feeder is connected with the upper side of a jet flow mixer. With the adoption of the device, harmful pollutants such as SO2, NOx, dioxin, heavy metals and the like in the flue gas of the sintering machine can be removed, up-to-standard emission of the flue gas is realized, and environmental pollution is avoided.

The invention relates to a continuous pigment dyeing method for fabrics, in which the fabrics during travelling are subjected to the steeping of a composite dye solution in a steeping tank that is continuously supplemented with the composite dye solution, and then to the rolling of rollers, and the time the fabrics are subjected to the composite dye solution by the fabrics is 2.5-5 seconds. The composite dye solution comprises the components having the following concentrations: 10g / L-50g / L of a pigment paste, 1g / L-8g / L of a cation modifying agent, 3g / L-5g / L of a surfactant and 5g / L-20g / L of a cation bonding agent. The padding fabrics are continuously subjected to an infrared pre-drying apparatus for drying, a hot-air pre-drying tank for drying and a steam drying cylinder apparatus for drying. The inventive method has superior stability of the dyeing effect and is free from agglomeration.

The invention discloses a plasma dyeing system. The plasma dyeing system comprises an unwinding mechanism for to-be-dyed fabrics, a fabric heating module, a plasma processing module, a dyeing module and a dyed fabric winding mechanism, wherein the fabric heating module, the plasma processing module, the dyeing module and the dyed fabric winding mechanism are sequentially arranged behind the unwinding mechanism. The invention further discloses a dyeing method utilizing the plasma dyeing system. According to the dyeing method utilizing the system, the combination efficiency of the fabrics and dyes can be improved, the dyeing quality of products is improved, non-adsorbed dyes during the plasma dyeing are cyclically used, no wastewater is discharged, green environment friendliness is achieved, the consumption of the dyes, water and eliminating additives are reduced, and compared with the traditional technique, the method provided by the invention has the advantage of lower dyeing cost.

The invention provides a low temperature environment free of condensed system, comprising a refrigeration air supply cooling device, a refrigeration liquid supply cooling device, a constant temperature surging tank, a PLC control box, wherein a cold plate is arranged in the constant temperature surging tank, the refrigeration liquid supply cooling device is connected with the cold plate through a liquid supply pipe and a liquid return pipe, while the refrigeration air supply cooling device is connected with the constant temperature surging tank through an air supply pipe and an air return pipe. The PLC control box respectively controls the refrigeration liquid supply cooling device and the refrigeration air supply cooling device. The refrigeration liquid supply cooling device keeps the temperature of the cold plate in -10 to 50 DEG C, and the refrigeration air supply cooling device keeps the temperature in the constant temperature surging tank a little lower than the dewpoint temperature of the cold plate, thereby ensuring no condensation in the constant temperature surging tank. Pressure in the constant temperature surging tank is not lower than 800 Pa, causing highly wet air outside not to enter the tank, thereby increasing working reliability of cold plate. The system is reliable in operation, high efficient in heat emission, which builds a low temperature environment free of condensation, thereby effectively protecting the electronic device.

The invention discloses a stirring device for asphalt concrete. The stirring device for asphalt concrete comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with the lower surface of a bracket, and the upper surface of the bracket is clamped with a stirring tank; a thermal insulation cavity is formed in the middle of the stirring tank and filled with a thermal insulation material; a driving device is arranged on the upper surface of the stirring tank, the bottom of the driving device is fixedly connected with the top of the stirring device, and the bottom of the stirring device penetrates through a bearing clamped on the upper surface of the stirring tank and extends into the stirring tank. The stirring device for asphalt concrete is provided with abottom plate, a bracket, a stirring tank, a thermal insulation cavity, a driving device, a stirring device, a bearing, a connecting rod, a first scraper, a first support rod, a feed pipe, a cover plate, a support plate, a heater, a heating pipe, a discharge pipe, a power supply and a switch, so that when an asphalt mixture is prepared, the asphalt concrete and a modifier are mixed more uniformlyto improve the quality of the asphalt concrete.