144results about How to "Quick dehumidification" patented technology

The invention relates to a mobile type indoor disinfectant vapor disinfection system, which comprises a disinfectant vapor generation device, a wireless intelligent control system, a power-driven device, an environmental monitoring device, an air supply device, a mobile device and a disinfectant storage device. The disinfectant vapor generation device comprises a disinfectant vapor three-level refinement system, a filtering and catalyzing integrated system and a vapor generation control device; the air supply device supplies secondary power for scattering vapor in a space; and the wireless intelligent control system is communicated with the environmental monitoring device, the air supply device and the power-driven device so as to finish the operations of controlling the disinfectant vapor generation device, acquiring environmental parameters, and switching on / off the air supply device and the power-driven device in a disinfection target. The mobile type indoor disinfectant vapor disinfection system can intelligently, comprehensively and efficiently finish the disinfection operation of a closed space of large-sized equipment and is particularly suitable for the disinfection operation of a closed space with long and narrow passages, so that the mobile type indoor disinfectant vapor disinfection system has the advantages of strong maneuverability, high disinfection efficiency, no secondary pollution, and the like.

The invention relates to a cabinet for power supply or distribution, and especially to a dehumidifying switchgear capable of automatic air intake and discharge. The switchgear comprises a cabinet, the cabinet is provided with a cabinet door, a sidewall of the cabinet door includes an inner wall and an outer wall, an enclosed cavity is formed between the inner wall and the outer wall, a heating pipe is arranged in the enclosed cavity and comprises a pipe body, the internal and external surfaces of the pipe body are coated with heating films respectively, the heating film at the external surface of the pipe body is further coated with an insulated thermal-conduction layer, two sidewalls, opposite to each other, of the cabinet are provided with ventilating fans respectively, the cabinet is internally provided with a detection assembly, the cabinet door is provided with a touch display screen and an alarm, and the touch display screen, the alarm, the heating pipe and the detection assembly are all connected with a controller. Thus, moisture air in the cabinet can be exhausted out of the cabinet timely, flashover and discharge are avoided, and it is ensured that devices in the cabinet operate safely and reliably.

The invention provides a control method and device of an air conditioner and the air conditioner. The method comprises the parameter obtaining step, wherein when the refrigeration dehumidifying mode of the air conditioner is started, set temperature and initial environment humidity of the air conditioner are obtained; the temperature correcting step, wherein if the initial environment humidity islarger than the minimum humidity threshold value, according to the initial environment humidity, the temperature correcting parameter is determined, and the difference between the set temperature andthe temperature correcting parameter serves as the correcting temperature; and the air conditioner running step, wherein the air conditioner is controlled to run with the correction temperature as thetarget temperature. The initial environment humidity is used for correcting the set temperature, at the initial stage of air conditioner running, the air conditioner runs with correcting temperatureas the target temperature, the temperature correction manner is adopted in the air conditioner running initial stage, the rapid dehumidifying effect is achieved, and meanwhile, the refrigeration cooling rate is improved.

The invention discloses disinfectant steam disinfection equipment, which comprises a disinfectant steam three-stage refining system, a filtering-catalyzing integrated system and a control system, wherein the disinfectant steam three-stage refining system is used for initially atomizing a disinfectant liquid with an ultrasonic atomizing device; a hybrid refining device is used for effectively crushing disinfectant atomized gas molecular groups under the colliding, cutting and crushing actions of air current in an atomized gas hybrid refining device to perform secondary refining on disinfectant atomized gas; an evaporator is used for fully contacting a mixed gas of a disinfectant and the air with the inner wall of the evaporator, heating and evaporating to perform third refining on the atomized gas, so that the aim of outputting ultrafine particulate disinfect steam is fulfilled; the filtering-catalyzing integrated system is used for catalytically decomposing disinfectant gas particles formed by the three-stage refining system to complete filtering and catalyzing work; and the control system is used for controlling the entire process of the three-stage refining system and the filtering-catalyzing system. Due to the adoption of the disinfectant steam disinfection equipment, disinfectant gas is further refined, micro-sized disinfectant gas particles are formed finally, and the decontamination effect and efficiency of disinfectant steam are improved greatly.

In an air conditioning system, a control unit controls an adjusting unit to adjust a ratio between an amount of a first part of introduced air passing through a heater core and an amount of a second part of the introduced air bypassing the heater core to a first ratio at which the amount of the first part of the introduced air decreases from a maximized amount of the first part of the introduced air according to an increase in temperature of the heater core by a warming unit. When a setting temperature for air conditioning is increased by an input unit, the control unit controls the adjusting unit to change the ratio from the first ratio to a second ratio at which the amount of the first part of the introduced air increases.

The invention discloses a dehumidifying method for an on-vehicle air conditioner, and the on-vehicle air conditioner manufactured by the method. When the humidity detected by a humidity sensor deviates from a set value, the rotating speed of a compressor is controlled by changing the duty ratio of a PWM signal, a pressure sensor increased at the air inlet end of the compressor of an air-conditioning system consisting of an electric compressor can detect the pressure in a tube, and the pressure sensor outputs the corresponding changed resistance value so as to determine the pressure change of an evaporator, keep the evaporation pressure of the evaporator at an optimal value, adjust the evaporation temperature, and ensure that the humidity of the air in the vehicle tends to be the set value to meet the comfortable requirement of the human body. Therefore, the aim of quick dehumidification can be fulfilled, and the dehumidifying effect is stable. The humidity compensating control provided by the invention can increase the humidity in the vehicle in low amplitude under the condition that the external temperature is higher than the temperature in the vehicle, and also can improve the dryness condition caused by over dehumidification under the condition of unchangeable temperature.

The invention discloses a multi-functional multi-connected air-conditioning system which comprises a cooling system, a heating system and a dehumidifying system, wherein the cooling system is designedto be a circulating loop constituted by a compressor, an oil separator, a four-way valve, an air-cooled heat exchanger, a first flow dividing assembly, a throttling assembly, an indoor unit and the compressor which are connected in sequence; the heating system is designed to be a circulating loop constituted by the compressor, the oil separator, the four-way valve, an indoor underfloor heating coil pipe, a throttling mechanism, the air-cooled heat exchanger and the four-way valve which are connected in sequence; and the dehumidifying system is designed to be a circulating hoop constituted bythe compressor, the oil separator, the four-way valve, the indoor underfloor coil pipe, a liquid collecting assembly, the throttling assembly, the indoor unit, an air-liquid separator and the compressor which are connected in sequence. The multi-functional multi-connected air-conditioning system integrates the cooling function of a multi-connected air conditioner and the advantage of a water-basedunderfloor heating air conditioner; the direct heat exchange operation is adopted, the use of a water pump is eliminated, and the maintenance is reduced; by use of the reheating function designed forthe dehumidifying operation, a floor is heated; through the indoor unit for cooling, the cooling operation and the humidifying operation are performed simultaneously; the strong and rapid dehumidifying effect is achieved; and one multi-functional multi-connected air-conditioning system serves several purposes.

The invention discloses a constant humidity cabinet used for making a nuclear cable joint. The constant humidity cabinet comprises a hollow case and an upper cover arranged on the case, wherein the case and the upper cover commonly define a making space used for making the nuclear cable joint, the case is provided with a hand hole and a cable hole which are communicated with the making space and are provided with sealing sleeves, and the case and / or the upper cover are at least partially visible. Compared with the prior art, the constant humidity cabinet can realize rapid adjustment and can effectively maintain making environment humidity of the cable joint, the effective dustproof sealing effect is realized, and the constant humidity cabinet further has advantages of good dehumidifying effect, fast dehumidifying process, high cable joint making quality, simple operation, convenient movement and cost-saving property.

The invention provides a dehumidification device, and relates to the technical field of electrical equipment. The dehumidification device comprises a drying and dehumidifying mechanism, a monitoring system, a circulating air inlet part, a first outlet end, a second outlet end and a regulating valve, wherein the air enters from the circulating air inlet part, after the moisture is absorbed by the drying and dehumidifying mechanism, the air is changed into dry air, the dry gas coming out of the drying and dehumidifying mechanism is controlled by the regulating valve and is supplied to power equipment or an indoor room, and the moisture of the power equipment or the indoor air is absorbed and becomes dry; the operation of an air source and an air distribution system is monitored through the monitoring system, and a condensation point temperature and a given control value can be calculated according to temperature and humidity acquisition data of the power equipment, so that a purpose of adjusting the temperature and the humidity in the power equipment is achieved, and the temperature and humidity are far away from a condensation point; a defect that the moisture prevention and the condensation prevention cannot be completely achieved in the prior art and the technical problem of low efficiency are alleviated; and the technical effects of fast dehumidification, high efficiency, great dehumidification capability and high safety are achieved.

The invention relates to the technical field of air conditioners, in particular to an air conditioner temperature and humidity control method and an air conditioner. The control method comprises the steps that current moisture content and current dew point temperature are calculated according to current indoor temperature and current indoor relative humidity; target indoor moisture content and target dew point temperature are calculated according to indoor set temperature and indoor set humidity; the operation mode of the air conditioner is selected according to the relative size of the current indoor temperature and the target temperature, the relative size of the current moisture content and the target moisture content or the relative size of the current dew point temperature and the target dew point temperature; and the frequency of the compressor is adjusted according to the relative size of the current dew point temperature and the target dew point temperature. The four operationmodes can meet different requirements, the temperature of an heat exchanger of the air conditioner is directly controlled to be equal to the dew point temperature corresponding to the indoor set temperature and the indoor set humidity or a weighted average value of the above dew point temperature and the current dew point temperature, rapid dehumidification is achieved, the user comfort is improved, and in addition, temperature control and humidity control are both achieved by controlling the frequency of the compressor.

The invention provides an acrylic fiber, ramie fiber and soybean protein fiber blended yarn which comprises the following components by weight parts: 55-65 parts of acrylic fibers, 20-30 parts of ramie fibers and 10-20 parts of soybean protein fibers. The blended yarn disclosed by the invention can be sued for complementing the features of the acrylic fibers, the ramie fibers and the soybean protein fibers, and has the advantages of the acrylic fibers, the ramie fibers and the soybean protein fibers.

The invention provides an automatic dehumidification power transformation box, which comprises a top plate, a dehumidification cylinder, a control cylinder and a box body. The top plate is welded to the top of the box body. The dehumidification cylinder and the control cylinder are welded to the right side of the box body in an embedded mode. The dehumidification cylinder is located right over thecontrol cylinder. Two cabinet doors are hinged to the front surface of the box body through hinges. According to the invention, when the air humidity in the box body is increased, the heat of the aqueous vapor can be quickly absorbed by metal water collecting barrels when the aqueous vapor gets in contact with the metal water collecting barrel. Therefore, the aqueous vapor in the metal water collecting barrels can be quickly liquefied on the inner wall of the metal water collecting barrels to form water drops. After the water drops are accumulated to a certain extent, the water drops flow down along the inner wall of the metal water collecting barrel and flow towards water running plates. When water on the water running plates comes up together, the two water running plates can form a current loop. In this way, a power supply for a motor and an electric heating pipe is switched on by an electric wire. The electric heating pipe starts heating to dry the air. The motor drives fan bladesto rotate to form the airflow and the airflow is driven to blow into the box body. The air humidity in the box body is reduced, and the automatic dehumidification is achieved.

The invention discloses a sales cabinet facilitating storage of electronic products, comprising a fixed box and a box body. Two adjusting devices are arranged on the bottom inner wall of the fixed box. Each adjusting device includes an automatic telescopic rod. The automatic telescopic rods are welded to the bottom inner wall of the fixed box. The outer wall of the extension rod of each automatictelescopic rod is sleeved with a spring. The fixed box is provided with an installation opening in the top outer wall thereof, and the box body passes through the installation opening to be welded tothe top of the automatic telescopic rods. The box body is provided with a connection opening in the bottom outer wall thereof. The temperature and humidity in the box body can be detected. When the temperature is high, a fan and a ventilator work under control to improve the speed of air circulation and dissipate heat quickly. When the humidity is high, the circulating air is heated through a heater to carry out dehumidification quickly. The applicability of the device is improved. The box body can be separated to facilitate the storage of articles. Moreover, the positions of adjusting devicescan be adjusted to facilitate the display and sales of articles.

The invention provides an intelligent chest. A clothes rail is arranged in the chest body, the chest further comprises a weight sensor, a humidity sensor, a dehumidifying device, a control module and an alarm, the weight sensor is arranged on the clothes rail, and the humidity sensor, the dehumidifying device and the control module are arranged in the chest body. The invention provides an intelligent chest processing method. The intelligent chest has the advantages that the clothes rail can be prevented from fracturing, and therefore the service life of the chest is prolonged; the chest has a dehumidifying function to prevent clothes from mildewing, and the humidity condition in the chest can be learned fast through a display panel; the humidity value in the chest is obtained fast, and use is convenient; dust can be sucked in a storage box, and therefore a clean environment in the chest is kept.

The invention discloses a plant specimen holder, a specimen cabinet for fixing the specimen holder, and a fixing method for the specimen holder. The plant specimen holder comprises clamping plates which are composed of a left clamping plate and a right clamping plate, wherein a left fixing plate is arranged in the left clamping plate and the a right fixing plate is arranged in the right clamping plate; an upper clamping piece and a lower clamping piece are arranged between the left clamping plate and the right clamping plate, and are internally provided with a V-shaped supporting plate separately; one side of the upper clamping piece and / or the lower clamping piece is provided with a moisture sensor; a controller is connected with the moisture sensor and an alarm; and the data detected bythe moisture sensor is transmitted to the controller, and the controller controls the operation of the alarm. The plant specimen holder of the invention can remind the related staff to replace absorbent paper; the upper clamping piece and the lower clamping piece are internally provided with the V-shaped support plates and vent holes, so the flowing of air is enhanced, and the drying process of aspecimen is accelerated; the specimen cabinet can simultaneously fix two sides and two ends of a plurality of specimen holders to prevent the occurrence of overturning and the like; and the specimen cabinet is provided with an air circulation device which quickly dehumidifies air in the cabinet to accelerate the flowing of the air and prevent specimens from mildew.

The invention discloses an air energy water heater control method and an air energy water heater. The water heater is provided with a dehumidification program, and the control method comprises the following steps that S1, judging that the environment where the water heater is located is in the state that bathing is finished; S2, a dehumidification program of the water heater is started, and the environment where the water heater is located is dehumidified; and S3, the difference value between the evaporation temperature Tev of an evaporator and the dew point temperature TL in the environment is calculated, and operation parameters of a water heater fan and an electronic expansion valve are adjusted according to a calculation result. After it is detected that a user finishes bathing, an automatic control unit starts and operates the dehumidification program, high-temperature and high-humidity air in the environment where the water heater is located enters the evaporator through the fan to be cooled and dehumidified, the difference value between the evaporation temperature of the evaporator and the environment dew point temperature is calculated, the operation parameters of a heat pump water heater fan and the electronic expansion valve are optimized, and rapid dehumidification and energy conservation can be achieved.

The invention relates to the technical field of daily necessities, in particular to a suitcase endowed with multiple waterproof protection and provided with a rapid drying device. The suitcase comprises an inner box body, an outer box body, a pull rod, a circular outlet, a clothes hanging rack and bottom wheels; wherein the inner box body adopts a structure with three sealed surfaces, an opened front surface and an opened bottom surface; the pull rod is embedded on the back wall of the inner box body; the circular outlet is formed at the bottom part of the outer box body; and the clothes hanging rack is arranged at the top part of the inner box body. The suitcase also comprises a box body jacking system, a drying device and a drying wind energy water-avoiding and wind-guiding device. By arranging the jacking system, the drying device and the drying wind energy water-avoiding and wind-guiding device, the invention has the advantages that the box body is enabled to satisfy the height requirement when the extension arm of the pull rod is pulled out and the clothes is hung on the clothes hanging rack at the top part of the inner box body, thereby being convenient to use; the purposes of grading, uniformly heating the clothes and removing indoor humidity are achieved, and there is no electricity leakage hazard, thereby being energy-saving and safe; and an ultraviolet lamp is arranged for sterilization and disinfection, thereby being simple in structure and automatic in operation.

The invention relates to a magnetometer storing and fetching device and discloses a packaged underwater magnetometer storing and fetching slide way. The packaged underwater magnetometer storing and fetching slide way comprises a slide way body for transporting a magnetometer, and further comprises a box for containing the slide way body, and a first sliding plate. The first sliding plate is hinged to the slide way body. At least one first telescopic device is arranged in the box. One end of the first telescopic device is fixedly connected with the end of the box, and the other end of the first telescopic device is fixedly connected with the first sliding plate. Fixing racks are arranged on the two sides of the bottom face of the slide way body. Each fixing rack is provided with a fixing groove. A fixing cover is fixed to the upper end face of the slide way body. A cooling fin is arranged at the top end of the outer side of the fixing cover, and a heating fin is arranged on the cooling fin. Wheels are arranged in the fixing grooves. The box can better protect the storing and fetching slide way and the magnetometer, and the safety coefficient of the storing and fetching slide way is higher. Meanwhile, by additionally arranging the fixing cover and a rubber layer in the fixing cover, the magnetometer can be better protected against impact; and the magnetometer can be dehumidified quickly after entering the fixing cover, and accordingly the service life of the magnetometer is prolonged.

The invention relates to the technical field of food storage and particularly relates to a corn cob storage bin. The corn cob storage bin comprises a surrounding net, a base, a plurality of vent pipes, an air supply mechanism, an electric heater, an air dividing bag, a humidity detection sensor and a humidity controller, wherein the vent pipes vertically arranged on the base of the surrounding net, and a plurality of vent holes are circumferentially formed in the surfaces of the vent pipes; the air supply mechanism comprises an air supply fan, the electric heater is arranged in a pipeline connected between an air outlet of the air supply fan and an air inlet of the air dividing bag, each air outlet of the air dividing bag is communicated with the vent pipes through branched pipelines; andthe humidity detection sensor is in signal communication connection with the humidity controller, and the humidity controller is electrically connected with the air supply fan and the electric heater.The corn cob storage bin has a good venting effect, is high in air-drying efficiency and convenient to use, the mildewing and deterioration of corn cobs at the bottom of the corn cob storage bin canbe avoided, and therefore, the food loss is avoided.

The invention provides a low-temperature dehumidifying control method and device and an air conditioner, and relates to the technical field of air conditioners. The method includes the steps of detecting the current outdoor environment temperature and the indoor coiled pipe temperature during operation in a dehumidifying mode, recording the operation time duration of a compressor and the operationtime duration of an outer draught fan, and controlling the on and off of the outer draught fan according to the outdoor environment temperature, the indoor coiled pipe temperature, the operation timeduration of the compressor and the operation time duration of the outer draught fan. By means of the low-temperature dehumidifying control method and device and the air conditioner, the abnormity ofentering a protection program at a low temperature can be solved when the dehumidifying mode is started at a low temperature, the normal operation of the dehumidifying mode of the air conditioner is ensured, the dehumidifying amount at a low temperature is improved, and the aim of rapid dehumidifying is realized.

The invention discloses a tea leaf dehumidifier and a dehumidification control method. The method comprises a heating and dehumidification step and when the current environmental temperature is less than or equal to a first set temperature, the dehumidifier is started. The heating and dehumidification step comprises the following steps of: A10, starting an electric heating device and a dehumidification device and continuously detecting the current environmental temperature; A20, when the current environmental temperature is raised to a second set temperature, keeping the current working state for 3 to 5 minutes and then closing the electric heating device; and A30, when the current environmental temperature is reduced to the first set temperature, keeping the current working state for 3 to 5 minutes, and then starting the electric heating device, and returning to the step A20. In the method, the heating and dehumidification step is started when the environmental temperature is very low, and the heating and dehumidification step and a refrigeration and dehumidification step are converted alternately, so that on the one hand, freshness of an object to be dehumidified can be kept, on the other hand, the object to be dehumidified can be quickly dehumidified; and thus the dehumidification effect is improved.

The invention discloses extrusion-cutting-type smashing device for a biomass energy raw material capable of being conveniently stored. The device comprises a smashing box body, a filtering screen, a material receiving box body, a ventilator, a second screening plate and a discharging port, a first cutting blade is arranged on the upper side in the smashing box body, and the lower side of the firstcutting blade is meshed with a second cutting blade; a first rotating wheel is connected with a second rotating wheel through a belt, a limit rolling wheel is rotatably connected with a slide groove,and the filtering screen is located at the lower end in the smashing box body; a big rotating wheel is arranged at the right end in a feeding box body, and a fixed rod is fixedly connected to the upper surface of the inner wall of the feeding box body. The extrusion-cutting-type smashing device for the biomass energy raw material capable of being conveniently stored can conveniently extrude and cut the biomass energy raw material of straw and the like thoroughly, therefore the biomass energy raw material is convenient to store and is prevented from occupying large space, the cut biomass energy raw material can be conveniently turned over and sieved, moisture can be quickly removed, and it is avoided that due to the fact that the material goes mouldy, the using is influenced.

The invention belongs to the technical field of garment rolling machines, and particularly relates to an efficient rolling machine for garment accessories. The efficient rolling machine comprises a rack, wherein a driving roller and a driven roller are rotationally connected to the rack; a sliding block is slidably connected in a first sliding groove formed in a vertical rod, and a guide wheel isrotationally connected to the side surface of the sliding block through a cross rod; an air bag is arranged at the top of the first sliding groove; a platform is fixedly connected to the rack, a pairof guide rails are fixedly connected to the two sides of the top of the platform, a cutter is slidably connected between the two guide rails, and springs are fixedly connected to the positions, corresponding to the guide rails, of the two sides of the bottom of the cutter; a first air cylinder is fixedly connected to the tops of the guide rails through a supporting plate, and a rack is fixedly connected to one end of a piston rod of the first air cylinder; a gear is rotationally connected to the position, corresponding to the rack, of the tops of the guide rails through a support; and a cam isfixedly connected to the side, close to the cutter, of the gear. According to the efficient rolling machine, after the diameter of a cloth roll formed by the garment accessories is increased, the guide wheel and the sliding block are driven to slide upwards, the cutter is driven to slide downwards and cut off cloth, then the garment accessories are quantitatively rolled, and the manual nursing cost is reduced.

The invention relates to the field of a movable rack, in particular to an intelligent moistureproof temperature reduction movable rack. The intelligent moistureproof temperature reduction movable rackcomprises a plurality of rack bodies, wherein a lead screw is arranged at the front side of each rack body; a rotating motor connected with the lead screw is also arranged at the outer side of a leftside frame or a right side frame; a transmission sleeve is arranged and fixed at the front side of each rack body, and is arranged on the lead screw in a sleeving way; a second telescopic frame is arranged between the transmission sleeves of the two adjacent groups of rack bodies; a guide pipe is arranged at the top of each rack body; the outer side of the left side frame or the right side frameis also provided with a temperature control fan connected with the guide pipe; a guide sleeve is arranged and fixed at the top of the rack body; each guide sleeve is arranged on the corresponding guide pipe in a sleeving way; a first telescopic frame is arranged between the guide sleeves of the two adjacent groups of rack bodies; elastic cloth is also arranged on the first telescopic frame; and aplurality of air outlet holes are formed in the guide pipe at the middle lower side of the elastic cloth. The intelligent moistureproof temperature reduction movable rack has the advantages that the stable unfolding or contracting can be realized; the article taking and placing is convenient; the functions of temperature reduction and dehumidification are realized; and the popularization is facilitated.

The invention discloses a tea stir-frying device capable of controlling the temperature in the field of tea making. The tea stir-frying device comprises upright posts, ground feet, a transverse pulling rod, a tea stir-frying machine case, a tea stir-frying bowl, a middle layer support frame and a feeding hopper, wherein a fixed rotating shaft is fixedly arranged in the westward position of the middle inside the feeding hoper through a fixed rotating shaft support rod; the two ends of the motor are coaxially connected with a first rotating shaft through an output shaft; the outer side of the middle of the first rotating shaft is tightly matched and provided with a bearing; the outer side of the bearing is fixedly provided with a bearing seat; a heating connecting block is fixedly connectedonto the outer side of a heater; the heater is also in a reverse arch shape; the defect of the conventional bottom heating mode is changed; the heating can be simultaneously performed at the bottom and the side surface; the efficiency is improved; meanwhile, the heating uniformity is ensured; the tea stir-frying bowl is in a reverse arch shape; ventilation holes are uniformly distributed at the inside, and are used for ensuring the fast dehumidification on the tea, so that the tea stir-frying efficiency is improved; the heating temperature is controlled through controlling the position of theheater and the tea stir-frying bowel, so that the regulation and control on the temperature in the tea stir-frying process can be completed.

The invention provides a combined dehumidifier in a subway station and a dehumidification method and application of the combined dehumidifier. The dehumidifier comprises a mobile trolley, the mobile trolley is provided with a draught fan, the air feeding end of the draught fan is connected with a refrigerating and dehumidification system, an inlet of the refrigerating and dehumidification system is provided with an electrostatic dust collector, and the air sending end of the draught fan is connected with a temperature-raising and dehumidification system. Three dehumidification methods including refrigerating dehumidification, temperature-raising dehumidification and ventilating dehumidification are adopted simultaneously, the moisture content of the air in the subway station can be loweredrapidly, dehumidification efficiency is improved, safe operation and construction quality of all professional electrical equipment are guaranteed, and a safe and good construction environment is provided for workers. The combined dehumidifier in the subway station is used for dehumidification of a construction work area in the subway station, and when the combined dehumidifier is applied, a convection current is formed between the draught fan of the combined dehumidifier in the subway station and exhaust fans at wind gaps of the two ends of the subway station.

The invention discloses a crawler-type paperboard dryer. The crawler-type paperboard dryer comprises a support. Driving devices are fixedly installed at the two ends of a middle layer of the support correspondingly and connected with a conveyor belt. The conveyor belt is a closed annular conveyor belt. A plurality of support assemblies are further fixed to the middle layer of the support and located in the middle of the ring of the conveyor belt. A plurality of light pipes are installed on the support and located in the middle of the ring of the conveyor belt. A fixed transverse rod is fixed to a top layer of the support. A plurality of exhaust fans are installed on the fixed transverse rod and located above the conveyor belt. The light pipes are electric heating pipes. The crawler-type paperboard dryer can meet the requirements of different environments and different humidity and can operate automatically, mass continuous production can be achieved while fast dehumidifying of pasted paperboards is ensured, and the crawler-type paperboard dryer is influenced little by environments and seasons.

The invention relates to a drying device, in particular to hot air circulation drying equipment for grain. The invention provides the hot air circulation drying equipment, which is simple in structure, rapid in temperature rise, small in temperature difference and easy in moisture removal, can be used for drying materials in a circulating way and generates circulating hot air, for grain. The equipment comprises a hot air box body, a material box body and a lifting device, and is characterized in that the hot air box body is formed by assembling movable plates, the material box body comprises agrain cabinet, a feeding device, a material conveying device, a discharge device, a polygonal box, a blanking adjustment device and a support, and the lifting device comprises a material adding box,a material collecting box, a material adding device, a circulating material lifting device, a material conveying main pipeline and a material push packing auger; the material box body is arranged in the hot air box body. The hot air circulation drying equipment for the grain is low in manufacturing cost, simple to operate, convenient to use and easy to popularize.