35results about How to "Improve moisture absorption efficiency" patented technology

The invention discloses an intelligent hot-air drying control device which comprises a heat exchange box and a drying chamber, wherein he heat exchange box is separated into multiple spaces, and the drying chamber is connected with the heat exchange box through an air supplying main pipe and a general air return pipe. A heat pump dehumidifying and heating system, a heat pipe return heat exchange system, a hot air circulating system and an intelligent control system are arranged in the heat exchange box. The heat pump dehumidifying and heating system which is composed of a compressor, a drying filter, a dehumidifying evaporator, a throttle valve and a heating condenser. The heat pipe return heat exchange system is composed of a heat pipe evaporator and a heat pipe condenser. The hot air circulating system is composed of a high-pressure refrigerant liquid connecting pipe, a low-pressure refrigerant return gas connecting pipe, a high-pressure refrigerant gas connecting pipe, a liquid refrigerant connecting pipe, a gas refrigerant connecting pipe, an air exhaust regulating valve, a mixed air box, a fresh air regulating valve, a secondary air flow regulating valve and an air blower assembly. The intelligent control system is composed of the a temperature sensor, a humidity sensor, a hot air temperature sensor and a hot air humidity sensor, wherein the temperature sensor, the humidity sensor, the hot air temperature sensor and the hot air humidity sensor are connected in the various systems. The intelligent hot-air drying control device can regulate the temperature and the humidity of drying air automatically and improve the material drying efficiency.

An organic light-emitting panel, a process for packaging an organic light-emitting panel and a coating apparatus applied thereto are described. A patterned desiccant with large surface area is formed on a cover plate by an ink-jet printing process. The process for packaging an organic light-emitting panel and the coating process are applied for reducing crosslinking time of the desiccant, increasing the surface area of the desiccant and enhancing the moisture absorption ability of the desiccant.

The invention relates to a composite moisture absorption material based on a carbon base and calcium chloride and a preparation method thereof. The composite moisture absorption material comprises a carbon base material and calcium chloride, wherein the carbon base material is activated carbon particles or activated carbon fibers, the mass ratio of the activated carbon particles to the calcium chloride is 36:31-15:1, and the mass ratio of the activated carbon fibers to the calcium chloride is 13:40-5:23. The preparation method comprises the following steps of: soaking the activated carbon particles or the activated carbon fibers in calcium chloride solution with the mass percent concentration of 10%-40% in a vacuum normal temperature for 12-24 hours through an immersion method, and then drying at a temperature of 120-140DEG C for 12-24 hours to obtain the composite moisture absorption material. The composite moisture absorption material has strong moisture absorption capability, stable physicochemical property and strong practicability. The preparation method has the advantages of simple technology, low cost and good application prospect.

The invention provides a starch-based high-efficiency moisture-absorbing desiccant, which has high moisture-absorbing efficiency, long-time action and great moisture-absorbing quantity and comprises the main components of pregelatinized starch, inorganic salt and a gel reinforcing agent. The main processing technique thereof comprises the following steps of: (1) preparation of the gelatinized starch: taking starch to be mixed in cold water, stirring to form emulsus suspension, and heating to lead the starch to be changed to be doped; (2) grinding and crushing of the inorganic salt and the gel reinforcing agent; and (3) alloying of the pregelatinized starch, the inorganic salt and the gel reinforcing agent. The starch-based high-efficiency moisture-absorbing desiccant has the main advantages of: (1) long moisture-absorbing time: moisture absorption can be continuously conducted for more than 60 days under the condition of 100%RH; (2) great moisture-absorbing quantity: the total moisture-absorbing quantity can achieve more than two times of self weight; (3) formation of the gel after moisture absorption: liquid cannot be formed to overflow a package to pollute devices; (4) environmental protection and low toxicity: no harmful influence exists on a human body and the environment; and (5) by comparison with the conventional desiccating agent such as silica gel and the like: the usage is reduced by 7 times.

The invention relates to a dehumidification device of an air preprocessing solution, which comprises a dehumidification device (9), a solution regenerator (3) and a liquid separator (6), wherein the bottom of the dehumidification device (9) is provided with a liquid bag (18), packing (11) is arranged in the dehumidification device (9), the dehumidification device (9) is provided with a first solution spraying device (19) and a third water cooling device (20), one end of the dehumidification device (9) is provided with an air inlet, and the other end of the dehumidification device (9) is connected with a dehumidification space; the end of the air inlet is provided with an air preprocessing box (7) with a second water cooling device (21); the solution regenerator (3) is provided with a heatexchanger (13); a first water cooling device (22) is arranged in the liquid separator (6); the solution regenerator (3) is communicated with the first solution spraying device (19) and the liquid bag(18); after passing through the first water cooling device (22), the second water cooling device (21) and the third water cooling device (20) respectively, a water supply pipeline is connected with awater return pipe; and one end of the air preprocessing box (7) is communicated with outdoor fresh air, and the other end is connected with the air inlet of the dehumidification device (9).

The invention relates to a deodorization and purification treatment system of biological sludge pyrolysis synthesis gas. The system comprises a cyclone plate water spraying tower module, a spraying reaction acid removal tower module, a solar energy-rotary wheel dehumidification module, a sludge base activated carbon absorption module and a pulse bag type dust remover module in sequential connection, wherein the cyclone plate water spraying tower module comprises a pyrolysis tail gas inlet, a cyclone plate, a filling material layer, a circulation water pump, a water supplementing opening, a first sedimentation pool, a clean water spray head, a first screen defogging device and a sludge outlet; the spraying reaction acid removal tower module comprises a cyclone device, an atomization device, a two-stage filling material layer, a metering circulation pump, a second sedimentation pool, a liquid supplementing pipe and a second screen defogging device; the sludge base activated carbon absorption module consists of a solar heat collector, an electric heater, a sludge base activated carbon rotary wheel, a photocatalysis waste gas treatment device and the like. The deodorization and purification treatment system has the advantages that the structure is reasonable; fetor gas in the pyrolysis tail gas can be controlled in a national standard range; in addition, the pyrolysis synthesis gas is purified; the synthesis gas fuel gas quality is improved.

The invention discloses a preparation method for a porous type polyacrylamide macromolecule hygroscopic material. The preparation method comprises the following steps: putting acrylamide in a reactor, adjusting the pH value to 7 with sodium hydroxide and adding pore-foaming agents, sodium hydrogen sulfite, ammonium persulphate, N, N'-methylene double acrylamide and deionized water to stir sufficiently and obtain a mixed solution; placing the mixed solution in the deionized water for nitrogenization and deoxygenation for 30 min and sealing to obtain a mixed reactant; placing the mixed reactant in thermostatic water for reaction for 4-5 hours to obtain a transparent gel polymer; washing and filtering the transparent gel polymer to obtain a final product; slicing, prilling, pore-forming and smashing the final product to obtain the porous type polyacrylamide macromolecule hygroscopic material. According to the invention, the porous type polyacrylamide macromolecule hygroscopic material is high in moisture absorption efficiency, so that objectively the size is reduced, in addition, the hygroscopic material doesn't produce pollution, is non-corrosive, and has advantages of quick regeneration, low energy consumption and the like.

The invention discloses a bladeless fan with the air energy moisture absorbing function. The bladeless fan with the air energy moisture absorbing function comprises a heating device, a dewatering device, a controller and a shell. The heating device is fixedly connected with the dewatering device and the shell. The controller is connected with the heating device and the dewatering device through control lines. The bladeless fan with the air energy moisture absorbing function has the beneficial effects that an ultraviolet lamp tube in the device is utilized, ultraviolet rays and nanometer titanium dioxide which the surface of a cooler, the surface of an evaporator and the surface of a water collecting tank are coated with have a catalytic action, and the effect of removing formaldehyde and various harmful substances in the air and killing various harmful bacteria is achieved; and the cooler and the water collecting tank are used for absorbing moisture one time, then the evaporator is used for absorbing moisture one time, the water collecting tank is cooled through condensate water of the evaporator, steam is absorbed through the condensate water of the evaporator, the steam is changed into water to be discharged into a water collecting box, and the moisture absorbing efficiency of a moisture absorbing machine is improved.

The invention discloses an outdoor power distribution cabinet with a moisture-proof function and a use method thereof. The outdoor power distribution cabinet comprises a cabinet body, a plurality of rollers arranged on one side of the cabinet body, first moisture absorption parts arranged in the rollers and second moisture absorption parts arranged on the outer sides of the rollers and located in the cabinet body, wherein the plurality of rollers are fixedly connected with the cabinet body; each roller is provided with a first opening and two second openings, the first opening is located on the outer side of the cabinet body, and the two second openings are both located on the inner side of the cabinet body; and connecting heating parts for heating the first moisture absorption parts are arranged at the position, located at the first openings, of the roller. According to the invention, the moisture absorption effect of the first moisture absorption parts by the roller can be achieved, meanwhile, the moist second moisture absorption parts in the roller can be dried, and moisture-proof and dehumidification functions in the cabinet body is improved; and meanwhile, external moisture is prevented from being brought into the cabinet body, and the moisture absorption efficiency of the second moisture absorption parts on the first moisture absorption parts is improved.

The invention discloses a disc film dehumidifier and a dehumidifying system. The dehumidifier comprises a shell, an air runner and a solution runner; the shell is disc-shaped; the air runner and the solution runner are both plane spiral pipes, are contacted, and are in parallel; and an included angle of projections of an intake port and a liquid feed port on a horizontal plane is 180 degrees, so that gas entering the air runner and liquid in the solution runner are opposite in flowing direction to form countercurrents or quasi countercurrents. The corresponding dehumidifying system comprises the disc film dehumidifier. The disc film dehumidifier and the dehumidifying system have such advantages as full heat exchange, good mass transfer effect and high moisture absorbing efficiency.

The invention belongs to the technical field of radiation protection, and specifically relates to a system for reducing the concentration of gas-borne tritium in a nuclear power plant building. The system is used for removing tritiated water vapor in to-be-treated gas which is gas in the nuclear power plant building and in a ventilation system in the nuclear power plant building. The system comprises a tritiated water dehumidifying device and a tritiated water collecting device which are arranged in a device box (1), wherein the to-be-treated gas in the ventilation system enters the device box(1); the tritiated water vapor in the to-be-treated gas is converted into tritiated water through the tritiated water dehumidifying device; the tritiated water is collected through the tritiated water collecting device; and the to-be-treated gas with the tritiated water vapor removed is used as regenerated gas and discharged out of the device box (1). The system provided by the invention has fewactive components, is simple in maintenance, facilitates reducing of occupational exposure of workers, can reduce the content of the tritiated water vapor in the environment of the nuclear power plantbuilding, and reduces the concentration of the gas-borne tritium in the nuclear power plant building.

The invention discloses a dryer which is characterized by being prepared by the following steps: mixing 95%-99.99% of calcium chloride with 0.01%-5% of auxiliary constituents, and pressing a mixture into blocks, wherein calcium chloride is a basic constituent, the weight of each finished dryer is 500-1000g, and preferably is 500g or 1000g, the dryer is convenient to store and transport, and the large block-shaped dryer is high in water absorption rate which reaches more than 1:1 and is much higher than the absorption rates of other dryers. The invention further discloses a preparation process of the dryer and a drying device matched with the dryer for use; the drying device has the advantages of reasonable design, simple structure, high moisture absorption efficiency when being matched with the large block-shaped dryer and no environmental pollution; a pressing mould is specially designed for forming the large block-shaped dryer by pressing and is high in structural strength and stable in chemical performance.

The invention relates to the technical field of household appliances, and discloses a moisture absorption module. The moisture absorption module comprises a body and a heat insulation plate, and the body is provided with one or more moisture absorption plates; and the heat insulation plate is arranged in one moisture absorption plate to divide the moisture absorption plate into two or more areas,or is arranged between the two moisture absorption plates to isolate the two moisture absorption plates. According to the moisture absorption module, the body of the moisture absorption module is divided into a plurality of parts by the heat insulation plate, and the heat transferred to the moisture absorption module in the airflow by a humidifying module in the heated airflow is reduced by utilizing the following effect of the heat insulation plate, so that the moisture absorption efficiency of the moisture absorption module in the airflow is improved. The invention further discloses a humidifying device.

The invention belongs to the field of air humidity regulation and specifically relates to a preparation method of a composite dehumidifying agent. According to the preparation method, through vermiculite modification, the adsorption ability and porosity of vermiculite are improved, and the adsorption capacity is increased; meanwhile, after low-temperature treatment, the vermiculite is soaked in acalcium chloride solution so as to increase the adsorption capacity of calcium chloride; then, through freeze drying, the loss of calcium chloride is prevented; after that, with sodium silicate as a raw material, porous silica gel is prepared to wrap the modified vermiculite; the porosity is increased by sodium bicarbonate; organic silicon monomers are mixed in the wrapping process; under the action of a catalyst, the organic silicon monomers are polymerized to form a net structure in the pores of macroporous resin, thereby improving the moisture absorption efficiency; moreover, the combination degree of the silica gel and the modified vermiculite is increased, and the outflow of calcium chloride can be effectively inhibited; furthermore, the chloride ions released by the calcium chloridein water are adsorbed by the modified vermiculite and silica gel, thus environmental corrosion is prevented, and the moisture absorption capacity is increased.

The invention discloses raw material softening precutting treatment equipment for traditional Chinese medicine decoction pieces. The raw material softening precutting treatment equipment comprises anouter housing, wherein a protruding frame and a softening groove are arranged on the outer housing; the protruding frame is arranged above the right end of the softening groove; a filtering frame is arranged in the softening groove; a frame handle is connected to the upper end of the filtering frame; a driving motor is mounted in the protruding frame; a motor shaft on the driving motor is coaxially connected with a shaft rod; the lower end of the shaft rod sequentially penetrates through an extruding ring and the softening groove; and the lower end of the shaft rod extends into the outer housing to be in bearing connection with the outer housing. According to the raw material softening precutting treatment equipment for traditional Chinese medicine decoction pieces disclosed by the invention, clean water for softening traditional Chinese medicine decoction piece raw materials can be convenient to disturb, so that improvement of the efficiency for absorbing moisture of the traditional Chinese medicine decoction piece raw materials is facilitated; the clean water can be in sufficient contact with the traditional Chinese medicine decoction piece raw materials through bubbles formed bycutting heated air by an air exhausting vane, so that the efficiency for absorbing moisture of the traditional Chinese medicine decoction piece raw materials can be further improved, and improvementof the softening efficiency of the traditional Chinese medicine decoction piece raw materials is facilitated.

The invention discloses a convenient-to-water energy-saving placement pot for greenhouse potted planting. The placement pot comprises a placement pot outer frame, the front face of the placement pot outer frame is provided with a widening wall, the upper surface of the widening wall is provided with a watering port, a base is adhered to the bottom end of the placement pot outer frame and internally provided with a water storage cavity, and the water storage cavity and the watering port are communicated through a watering passage in the placement pot outer frame. A retaining wall is fixed in the placement pot outer frame and uniformly provided with first through holes, and a water absorption cavity is formed between the retaining wall and the placement pot outer frame and internally filledwith water absorbing cloth strips. The convenient-to-water energy-saving placement pot for greenhouse potted planting is simple and convenient to operate, manually shifting potted plants to water carefully is avoided, watering efficiency is improved, convenience in watering is provided for people, water for watering does not spill out, and accordingly water resource waste is avoided, and energy saving is realized.

The invention belongs to the technical field relates to air conditioners, and discloses an air conditioner outdoor unit utilizing the electroosmosis effect for cooling and frost restraining. The air conditioner outdoor unit comprises a heat exchanger and a plurality of electroosmosis moisture absorption assemblies which are arranged at intervals. The electroosmosis moisture absorption assemblies and the heat exchanger are sequentially arranged in the front-rear direction in the airflow direction, and the electroosmosis moisture absorption assemblies are used for absorbing the moisture in air blowing towards the heat exchanger and each comprise a low-voltage pulse power supply, a negative electrode inert mesh electrode connected to the negative electrode of the low-voltage pulse power supply, two positive electrode inert mesh electrodes connected to the positive electrode of the low-voltage pulse power supply, and two moisture absorption material layers, wherein the negative electrode inert mesh electrode and the two positive electrode inert mesh electrodes are arranged at intervals, the two moisture absorption material layers are arranged on the opposite sides of the two positive electrode inert mesh electrodes correspondingly, the two moisture absorption material layers and the two positive electrode inert mesh electrodes are arranged at intervals, and the negative electrode inert mesh electrode is located between the two moisture absorption material layers.. Energy consumption is reduced, and the comfort of the living space is improved.

The invention discloses an outdoor power distribution cabinet with a moisture-proof function and a use method thereof, comprising a cabinet body, several rollers arranged on one side of the cabinet body, a first moisture-absorbing member arranged inside the rollers, and a first hygroscopic member arranged on several rollers. The second moisture-absorbing member on the outside and inside the cabinet, several of the rollers are fixedly connected to the cabinet, the rollers are provided with a first opening and two second openings, and the first opening is located outside the cabinet , and the two second openings are located inside the cabinet body, and the connecting heating element for heating the first hygroscopic element is provided on the roller and at the first opening. This outdoor power distribution cabinet with moisture-proof function and its use The method can achieve the function of drying the wet second hygroscopic member inside the drum while absorbing moisture to the first hygroscopic member, improving the moisture-proof and dehumidifying function inside the cabinet body, and preventing external moisture from being brought into the cabinet body at the same time Internally, the moisture absorption efficiency of the second absorbent member to the first absorbent member is improved.

The invention discloses a vehicle-mounted camera cleaning device based on a small brush head, relates to the field of vehicle-mounted camera cleaning devices, and provides the following scheme for solving the problem that an existing vehicle sensing camera cannot work normally due to dust accumulation and rain and snow severe weather: the vehicle sensing camera comprises a shell and a camera, the camera is installed in the shell, a lens is arranged at one end of the shell, moisture absorption cotton is arranged between the top end of the camera and the inner wall of the shell, elastic pieces are arranged between the two sides of the camera and the inner wall of the shell, a cover plate is arranged at the end, away from the lens, of the shell, and the cover plate is fixedly connected with the two elastic pieces. A swing brush mechanism is further arranged on the outer wall of the shell and comprises a first motor, a second motor, a first swing arm, a second swing arm and a rolling brush. The vehicle sensing camera is novel in structure, and the problem that an existing vehicle sensing camera cannot work normally due to dust accumulation and rain and snow severe weather is effectively solved.

The invention relates to a dehumidification device of an air preprocessing solution, which comprises a dehumidification device (9), a solution regenerator (3) and a liquid separator (6), wherein the bottom of the dehumidification device (9) is provided with a liquid bag (18), packing (11) is arranged in the dehumidification device (9), the dehumidification device (9) is provided with a first solution spraying device (19) and a third water cooling device (20), one end of the dehumidification device (9) is provided with an air inlet, and the other end of the dehumidification device (9) is connected with a dehumidification space; the end of the air inlet is provided with an air preprocessing box (7) with a second water cooling device (21); the solution regenerator (3) is provided with a heatexchanger (13); a first water cooling device (22) is arranged in the liquid separator (6); the solution regenerator (3) is communicated with the first solution spraying device (19) and the liquid bag(18); after passing through the first water cooling device (22), the second water cooling device (21) and the third water cooling device (20) respectively, a water supply pipeline is connected with awater return pipe; and one end of the air preprocessing box (7) is communicated with outdoor fresh air, and the other end is connected with the air inlet of the dehumidification device (9).

The invention discloses a maintenance-free moisture absorber, related to the technical field of moisture absorbers. The moisture absorber comprises a moisture absorber body and a controller arranged outside the moisture absorber body; the moisture absorber body comprises a shell, a stainless steel mesh cover sleeved inside the shell and a heater arranged inside the stainless steel mesh cover; thestainless steel mesh cover comprises an outer mesh cover in the shape of a ring column and an inner mesh cover which is sleeved inside the outer mesh cover and has a ring column shape; a mesh cover interlayer is formed between the outer mesh cover and the inner mesh cover; the mesh cover interlayer is filled with a desiccant, an upper mesh cover for blocking the desiccant overflow is arranged above the mesh cover interlayer, and a moisture absorbing pipe is also arranged in the mesh cover interlayer; the moisture absorbing tube is spirally wound around the outside of the inner mesh cover and is in contact with the desiccant; the lower end of the moisture absorbing pipe leads to the outside of the moisture absorber body; and the heater is sleeved inside the inner mesh cover. The maintenance-free moisture absorber does not require replacement of the desiccant; therefore, the maintenance-free purpose is achieved.

The embodiment of the invention discloses a laser radar drying system, method and device. The system comprises a laser radar storing box, a laser radar storing chamber, an air extractor, a drying agent and a drying agent container. The laser radar storing chamber, the air extractor, the drying agent and the drying agent container are located in the laser radar storing box. The laser radar storingchamber is used for storing laser radar equipment. The air extractor is used for flowing air in the laser radar storing chamber. The drying agent is used for drying air in the laser radar storing chamber. The drying agent container is used for containing the drying agent. Therefore, the air extractor is placed on the laser radar storing box to work, the air in the laser radar storing box ventilates, the moisture absorbing efficiency of the drying agent is improved, the drying speed is increased, and the drying effect of laser radar becomes strong.

A railway vehicle air conditioning device with heat comfort and breathing separate supply comprises a fresh air processor 36 with a liquid bag 35 at the bottom; a condenser 7 is installed in the fresh air processor 36, a nozzle assembly 6 used for spraying water is installed above the condenser 7, one end of the fresh air processor 36 is a fresh air inlet, the other end of the fresh air processor 36 is an air outlet, and the air outlet is connected with a fresh air supply pipe 9. And a breathing nose cover 15 is arranged at the tail end of the fresh air supply pipe 9. A filter screen 401 is arranged at the air inlet end of the fresh air processor 36, and a water baffle 8 is arranged at the air outlet end of the fresh air processor 36. The nozzle assembly 6 is communicated with the induction type atomizer 5, the induction type atomizer 5 is communicated with a liquid bag 35 of the fresh air processor 36 through a pipeline, and the circulating water pump 3 is arranged on the pipeline between the liquid bag 35 and the induction type atomizer 5.

Provided is a damping rolling stamping flattener for aluminum-plating paper. The rolling stamping flattener is safe and energy-saving, can replenish water according to the design amount and is mainly formed by a rubber press roller pressing a metal anilox roller, a tungsten steel scraper attached to the metal anilox roller at a certain slanting angle and a heatable chromium-plating stamping roller in matched mode. Aluminum-plating paper is replenished with normal-temperature tap water so that unsafety caused by vapor is avoided, and a large amount of energy is saved. The meshes of the metal anilox roller and the slanting angle of the tungsten steel scraper together accurately control water replenishing ration. The heated chromium-plating stamping roller fastens movement of water molecules and performs paper flatting and shaping for aluminum-plating paper.

The invention relates to the technical field of pure cotton fabrics, and discloses a production method of a pure cotton antibacterial fabric. The pure cotton antibacterial fabric is prepared from thefollowing components in parts by weight: 20-30 parts of pure cotton fibers, 5-8 parts of glass fibers, 3-7 parts of coconut carbon fibers, 2-5 parts of chitosan, 10-15 parts of bamboo fibers, 4-9 parts of wood fibers, 3-6 parts of activated carbon fibers, 6-10 parts of high-melting-point polypropylene staple fibers, 10-15 parts of natural antibacterial liquid, 8-14 parts of skin moisturizer and 1-5 parts of auxiliaries. The pure natural plant extract liquid is utilized, so that the fabric has very high antibacterial and antiviral effects, is green and environment-friendly, does not irritate the skin, solves the problem of generation of skin bacteria, and reduces the occurrence probability of skin diseases; and in addition, a skin care agent is matched with a natural antibacterial agent, sothat the fabric has inconspicuous soft and fine touch, has sterilization, anti-inflammatory and anti-ultraviolet functions, can improve microcirculation of a human body, has a health-care effect on the human body, and further has the effects of whitening the skin, absorbing moisture and moistening the skin.

The invention relates to a 3D cotton core manufacturing process, a driving mechanism drives mold cavities of a mold wheel to rotate, a plurality of mold cavities are formed in the mold wheel, and when the mold cavities sequentially rotate to a first adsorption cavity, a second adsorption cavity and a third adsorption cavity of the mold wheel, a high polymer material falls into the mold cavities of the mold wheel through a high polymer discharging mechanism; a first cotton core layer, a second cotton core layer and a third cotton core layer which are sequentially arranged up and down are formed in the mold cavities, and a cotton core is formed. The invention relates to the field of disposable sanitary articles, the height and the density of the cotton core are gradually reduced from top to bottom, the absorptivity of the cotton core is improved, materials are saved, the first cotton core layer, the second cotton core layer and the third cotton core layer which are different in width can be formed, a line shape matched with a human body curve is manufactured, a human body wears the disposable sanitary product comfortably, and the technical problems that the densities of all parts of the cotton core are the same, the cotton core absorption rate is low, the cotton core production cost is high, and the cotton core is uncomfortable to wear are solved.

The invention discloses a two-way traction fiber bragg grating humidity sensor which comprises a double-layer cylindrical shell and a fiber bragg grating, the double-layer cylindrical shell comprises an outer shell, an inner shell and a clapboard, the clapboard is fixed in the middle of the outer shell, penetrates through the middle of the inner shell, and divides the double-layer cylindrical shell into a first cavity and a second cavity which are the same, a first through hole is formed in the outer shell and the inner shell, a spring fixing station is fixed in the middle of each of the two sides of the clapboard, the first cavity and the second cavity are internally and symmetrically provided with spring top plates, the spring top plate comprises a spring and a top plate, the spring is arranged in the inner shell, the top plate is arranged at the end part of the inner shell, the two ends of the spring are respectively connected with the spring fixing station and the top plate, a second through hole is formed in the top plate, a moisture absorption expansion block is tightly filled in a space formed by the outer shell, the inner shell and the top plate, a first via hole is formed in the center of the top plate, a second via hole is formed in the center of the clapboard, and the fiber bragg grating penetrates through the first via hole and the second via hole and is connected fixedly with the top plate. The two-way traction fiber bragg grating humidity sensor is high in detection precision, the prestress is convenient to load, and the ambient humidity can be detected point by point.

The invention discloses a dryer which is characterized by being prepared by the following steps: mixing 95%-99.99% of calcium chloride with 0.01%-5% of auxiliary constituents, and pressing a mixture into blocks, wherein calcium chloride is a basic constituent, the weight of each finished dryer is 500-1000g, and preferably is 500g or 1000g, the dryer is convenient to store and transport, and the large block-shaped dryer is high in water absorption rate which reaches more than 1:1 and is much higher than the absorption rates of other dryers. The invention further discloses a preparation process of the dryer and a drying device matched with the dryer for use; the drying device has the advantages of reasonable design, simple structure, high moisture absorption efficiency when being matched with the large block-shaped dryer and no environmental pollution; a pressing mould is specially designed for forming the large block-shaped dryer by pressing and is high in structural strength and stable in chemical performance.

The invention discloses a special desiccant for a box-type transformer substation. The desiccant is prepared from the following components in percentage by mass: 10.0-20.0% of sodium polyacrylate, 6.0-8.0% of a binder, 1.0-5.0% of sodium polyaspartate, 1.0-2.0% of anhydrous cupric sulfate, 55.0-70.0% of silica gel and 10-12% of polymethyl acrylate. According to the invention, the desiccant is synthesized according to a specific proportion and a specific preparation method, and is placed in a box-type transformer substation, so that the humidity in the box-type transformer substation can be effectively reduced, and the humidity in the box can be controlled within a reasonable range; the designed desiccant is not prone to generating dust, and can not generate dust pollution to transformer substation equipment; the special desiccant has an indication function, and a worker is reminded to replace the moisture absorbent through color change; the desiccant can be regenerated through ultrasonic waves to be reused, so that the purpose of saving the cost of the desiccant is achieved; and the desiccant has a relatively great application prospect.