93 results about "Moisture regain" patented technology

The invention discloses an intelligent detection method and device for a cotton water miscellaneous micronaire value based on multi-source information fusion, and relates to the field of cotton quality detection.The method comprises the steps that the weight, the initial air pressure difference, the cotton sample image, the resistance value, the environment temperature and the environment humidity of a to-be-detected cotton sample are obtained; according to the initial air pressure difference and the weight, the compensated air pressure difference is determined through a weight compensation model; according to the cotton sample image, utilizing an image segmentation technology to extract the impurity area percentage and the impurity grain number of the cotton sample to be detected, and determining the impurity content of the cotton sample to be detected; according to the resistance value, the environment temperature and the environment humidity, utilizing a moisture regain prediction model to determine the moisture regain of the cotton sample to be detected; and determining the micronaire value of the cotton sample to be tested by using a Stacking ensemble learning model according to the compensated air pressure difference, impurity content and moisture regain. According to the method, the moisture regain, the impurity rate and the micronaire value of the cotton can be accurately detected in a non-standard detection environment.

The invention discloses a CFD-DEM coupling and atomizing nozzle-based tobacco strip moisture regaining processing strength control method, which accurately controls a moisture regaining process through numerical simulation and process parameter optimization, and improves the product quality and the production efficiency. The method combines a bidirectional coupling theory of computational fluid dynamics (CFD) and a discrete element method (DEM) to simulate the movement, heat transfer and humidifying process of tobacco flakes in a moisture regaining cylinder, particularly, on the basis of a traditional CFD-DEM model, an atomizing nozzle model is innovatively introduced, a nozzle structure and an atomizing mechanism are optimized, uniform distribution of moisture is improved, and the moisture regaining effect is improved. The moisture content and temperature balance of the tobacco lamina are ensured, so that the moisture regaining effect is improved. Meanwhile, the invention provides a quantitative optimization method based on the processing strength (H), the relation between the processing strength and parameters such as temperature, moisture content and convective heat transfer coefficient is analyzed, the processing strength is kept in the optimal range by adjusting the parameters, and the stability of the moisture regaining process and the consistency of the quality of the tobacco lamina are ensured.

The invention discloses a superfine denier nylon cotton-feeling fabric and a preparation method thereof, and the preparation method sequentially comprises the following steps: yarn configuration and weaving: weaving is carried out by adopting warp yarns and weft yarns, the weft yarns are nylon air textured yarns (ATY), and the weft yarns are prepared by FDY filaments with the filament number of not more than 10D through air texturing processing; the dyed fabric is subjected to padding treatment, adopted finishing liquid contains waterborne polyurethane and a fluoride-free waterproof agent, baking shaping is conducted after padding, and the fabric is subjected to humidifying and moisture regaining treatment during fabric discharging. According to the superfine denier nylon cotton feeling fabric and the preparation method thereof, the touch feeling of the nylon fabric is improved through the specific yarn structure design and the synergistic after-finishing technology, so that the nylon fabric has the soft comfort close to that of a cotton fabric, and meanwhile, the characteristics of high wear resistance and high strength of nylon fibers and the effective fluoride-free waterproof performance are kept.

The invention discloses an empty pulp fiber material weft knitting fabric as well as a preparation method and application thereof, and relates to the field of garment fabrics. The hollow pulp fiber material weft knitting fabric is provided with at least one weave structure, and the weave structure is selected from at least one of twill two-position clothes, wicker ribs and single-face jacquard. The fabric comprises a weft knitting structure formed by weaving blended yarns of empty pulp fibers and cotton. The hollow pulp fiber has a porous microstructure, the cross section of the hollow pulp fiber is hollow and porous, and micropores are distributed on the surface of the longitudinal section of the hollow pulp fiber. The hollow pulp fiber material weft knitting fabric has a unique porous structure, the cross section of the hollow pulp fiber material weft knitting fabric is in a hollow porous shape, and micro-pores are distributed in the longitudinal section of the hollow pulp fiber material weft knitting fabric, so that the hollow pulp fiber material weft knitting fabric is a physical basis for achieving functional advantages of high specific surface area, high moisture regain, hollow heat storage and the like of the fabric, and is fundamentally different from common polyester or special-shaped polyester; the source guarantee is provided for the cooperation of multiple functions such as moisture absorption and sweat releasing, heat preservation and heat insulation.

The application discloses a moisture regaining machine water adding amount control method, which comprises the following steps: dividing each batch of material into several equal parts with equal weight; storing the corresponding correction water adding amount and characteristic time of the processed equal part material in each batch in the form of a data group; setting several batches processed before the current batch to be processed as historical processing batches, and setting corresponding weights for each historical processing batch; calling each data group with the same characteristic time as the current batch to be processed as a target data group; and bringing the correction water adding amount in each target data group and the weight of each historical processing batch corresponding to each target data group into a weighted model to calculate the water adding amount of the current batch to be processed. The application can calculate the water adding amount of the tobacco material before the tobacco material enters the moisture regaining machine, and can improve the water adding amount accuracy of the tobacco material. The application further discloses a moisture regaining machine water adding amount control system.

The utility model relates to a high-voltage mutual inductor silica powder raw material conveying and drying device which comprises a drying mechanism and a conveying mechanism, the head end of the drying mechanism is provided with a feeding port, the conveying mechanism is arranged at the tail end of the drying mechanism, the drying mechanism comprises a tank body, a stirring paddle and a heating pipe, and the tank body is of a double-layer structure and comprises an inner container and a shell. The heating pipe is arranged between the inner container and the shell, the stirring paddles are spiral stirring paddles, the stirring paddles are hollow, a heating medium is introduced into the stirring paddles, two outlets are formed in a feed opening of the conveying mechanism, the tail ends of the outlets are connected with premixing tanks, and the tank body and the premixing tanks are connected with negative pressure devices. The drying mechanism adopts the heating pipe and the stirring paddle with the heating function for synchronous heating, the stirring paddle is heated and extends into the silica powder, heating is uniform, moisture regain is prevented, the two outlets of the conveying mechanism enable the silica powder, epoxy resin and a curing agent to be premixed respectively, the mixing time is prolonged, free gas is guaranteed to be fully discharged, and the drying efficiency is improved. And bubbles during pouring are avoided.

The invention discloses a temperature-variable-stress-resistant self-feedback yarn anti-corrosion drying method, and relates to the technical field of intelligent control and material protection of a yarn drying process in the textile industry, and the method comprises the following steps: S1, establishing a digital twinning stress prediction model and a dynamic anti-corrosion performance evaluation model of yarns; the digital twinning stress prediction model is used for predicting transient thermal stress distribution in the yarn according to the drying process parameters. According to the temperature change resistant stress self-feedback yarn anti-corrosion drying method, synchronous and coordinated regulation and control of internal thermal stress, the surface anti-corrosion state and the moisture regain of the yarn in the drying process are achieved; on the premise of stabilizing the vehicle speed, the yarn structure damage risk caused by temperature fluctuation can be actively inhibited, continuous and effective corrosion protection is provided for the yarn in the drying process through intelligent management of the slow-release anti-corrosion medium, and the physical integrity and durability of the yarn are overall improved.

A multi-stage drying integrated spray dryer relates to the technical field of material drying equipment and comprises a main body rack, and a feed atomization unit, a multi-stage drying unit, a gas-solid separation unit and a waste heat dissipation unit are arranged on the main body rack. The feeding atomization unit adopts a composite atomization mode to guarantee uniform particle sizes of materials, the multi-stage drying unit improves the drying effect through three-stage gradient drying, the gas-solid separation unit optimizes the structure to achieve efficient separation, and the waste heat dissipation unit rapidly cools and prevents moisture regain. The problems that existing equipment is uneven in atomization particle size, insufficient in drying, incomplete in gas-solid separation, prone to moisture regaining and deterioration and the like are solved, and the finished product quality and the production efficiency are improved.

The utility model belongs to gypsum moistureproof device technical field especially relates to a kind of building gypsum moistureproof storage device for use, including storage box, four equal internal cavity one, internal cavity two, internal cavity three and internal cavity four are set in storage box inside, the internal cavity one, internal cavity two, internal cavity three and internal cavity four inside are provided with condensation dehumidification component, the symmetrical storage box both sides are provided with air suction pump, air suction pump upper side is connected with gas pipe by adapter, gas pipe is through internal cavity one, internal cavity two, internal cavity three and internal cavity four to inner hole, the internal cavity one, internal cavity two, internal cavity three and internal cavity four are placed with containing box, gypsum is placed in containing box, the internal cavity one, internal cavity two, internal cavity three and internal cavity four are all provided with box door. The utility model can significantly reduce gypsum powder moisture regain and caking rate, keep material loose degree, ensure that construction performance is stable, while modular structure is convenient for maintenance and reduces consumable replacement frequency, especially suitable for long-term storage demand under high humidity environment.

This invention discloses an automatic prediction system for the outlet temperature of loose and rehydrated tobacco leaves, including a data acquisition module, a prediction model module, a temperature prediction module, and a temperature control and early warning module. Based on the material mass conservation equation and energy conservation equation for the loose and rehydrated leaf stage, this system establishes a material balance analysis model for predicting the moisture content of the outlet leaves and an energy balance analysis model for predicting the outlet leaf temperature, respectively. By collecting data in real time, the system predicts the outlet temperature and displays it through a dynamic curve, achieving automatic prediction and real-time verification of the outlet temperature. This improves the accuracy of the process outlet temperature and the response speed of automatic temperature control, fundamentally overcoming the problems of high labor intensity, low efficiency, and delayed feedback associated with traditional manual monitoring and verification of outlet temperatures.

The utility model discloses a moisture regaining machine for tea making, relates to the field of tea leaf moisture regaining treatment, and aims to solve the problems that tea leaves need to be continuously sprayed in the moisture regaining process of an existing moisture regaining machine, the tea leaves can be adhered to a supporting table when the moisture of the tea leaves is too much, and the moisture regaining is uneven. A rotating ring is rotationally connected to the protective shell, a placing frame is fixedly connected to the rotating ring, a plurality of through holes are formed in the placing frame, a moisture regaining assembly for helping tea leaves to regather moisture quickly is arranged on the protective shell, and a uniformizing mechanism for enabling the tea leaves to regather moisture more uniformly is arranged on the protective shell and the placing frame. According to the moisture regaining machine for tea making, when moisture regaining is carried out on tea leaves, the moisture regaining assembly and the uniformizing mechanism can be started to be matched with each other to carry out moisture regaining treatment, and it is avoided that during moisture regaining treatment, the tea leaves adhere to the containing frame, and therefore moisture regaining is not uniform.

The present application belongs to the technical field of knitted fabric, and provides a moisture-responsive knitted fabric and a preparation method thereof.The preparation method comprises the following steps: S1, providing micro-porous polyester yarn; S2, performing S / S and yarn of the micro-porous polyester yarn and diacetate filament to form micro-porous polyester / diacetate parallel composite yarn; and S3, performing weft knitting of the micro-porous polyester / diacetate parallel composite yarn to obtain the moisture-responsive knitted fabric.In the present application, the surface of the modified polyester yarn has a micro-porous structure, the evaporation area is larger, and the quick-drying property is better; the difference in moisture regain between the modified polyester yarn and the diacetate yarn is very large; when the composite fabric encounters moisture, the fabric ring and the fabric grain size change obviously, the pore between the yarns becomes larger, and the air permeability becomes higher.The fabric prepared by the present application can effectively adjust the air permeability and heat dissipation performance according to different humidity conditions of the user's skin, thereby having good thermal-wet comfort.

The utility model discloses a cooked coffee bean tray loading and drying device, which belongs to the technical field of coffee bean processing equipment, and comprises a coffee bean baking machine barrel, a blanking plate is arranged below a discharge port of the baking machine barrel, transparent observation glass covers the discharge port, and the transparent observation glass is arranged on the blanking plate. A tray loading and drying device is arranged under the discharging plate, the tray loading and drying device comprises a bottom plate, universal wheels are arranged at the corners of the periphery of the lower surface of the bottom plate, L-shaped connecting rods are rotationally connected to the two sides of the front end of the bottom plate upwards, and a push-pull sleeve rod is arranged between the upper ends of the L-shaped connecting rods; a hollow cylinder is arranged in the center of the upper surface of the bottom plate, a transfer disc is supported above the hollow cylinder, and a transparent frame is mounted above the transfer disc. The tray loading and drying device is mainly used for guaranteeing the drying effect in the tray loading and transferring process of the cooked coffee beans, reducing the moisture regaining phenomenon of the cooked coffee beans and guaranteeing the product quality of the cooked coffee beans in the subsequent grinding processing procedure.

The invention relates to a perspiration-free fabric with a balanced moisture management function. A knitted fabric includes a back layer including a first back yarn having a minimum moisture regain of at least 6.0 weight percent. The first back yarn is plated with a back elastic yarn. The knitted fabric also includes a face layer including a first face yarn having a maximum moisture regain of less than 5.5 weight percent. The first face yarn is plaited with a face elastic yarn. The knitted fabric also includes a connecting elastic yarn that forms a yarn connection between the face layer and the back layer to bond the layers together. The denier of the face elastic yarn may be greater than the denier of the back elastic yarn and the connecting elastic yarn. One or both of the back layer or the face layer may include an all-guide knit construction.

The invention relates to the technical field of cool-feeling fabrics, in particular to a graphene modified polyamide fiber cool-feeling fabric and a processing technology thereof.The processing technology comprises the following steps that firstly, graphene oxide and carboxyl-terminated hyperbranched polyesteramide are mixed, then polyamide fibers are added, mixing is conducted again, and mixed fibers are obtained; the mixed fibers are subjected to melt blending spinning through a spinning machine, then drafting and cooling shaping are conducted, and the graphene modified polyamide fibers are prepared; 2, the graphene modified polyamide fibers are woven, and a graphene modified polyamide fiber fabric is prepared; 3, the graphene modified polyamide fiber fabric is put into the cool sense finishing liquid to be subjected to padding treatment, drying is conducted, and the graphene modified polyamide fiber cool sense fabric is obtained. The graphene modified polyamide fiber cool fabric prepared by the invention has good instant contact cool feeling and moisture regain, is firm and durable, is simple in processing technology, and is suitable for industrial production.

The utility model discloses a tea can capable of adjusting discharge quantity, which comprises a can body, a cover is arranged above the can body, an outlet is arranged on the cover, and a top cover is arranged on the outlet. The inner wall of the cover is provided with two arc grooves facing the outer side, a connecting groove is formed between the two arc grooves, a sliding block is arranged in the connecting groove in an embedded and sliding mode, two moving rods are rotatably arranged at the front end of the sliding block, the front ends of the moving rods are arranged in the arc grooves in an embedded and sliding mode, and closing blocks are arranged on the two moving rods respectively. And the two closing blocks intermittently seal the outlet. The tealeaf iron can has the following advantages and effects that the size between the two closing blocks can be changed by adjusting the position of the sliding block through the tealeaf iron can, so that the size of the opening in the cover can be flexibly adjusted according to the types of different tealeaves, the waste of the tealeaves is reduced, and meanwhile, the possible moisture regain problem of the tealeaves is reduced.

The invention relates to an anti-ultraviolet, moisture-absorbing and quick-drying chemical fiber fabric and a preparation method thereof, and belongs to the technical field of textiles. According to the invention, polyethylene glycol is modified to prepare the modifier, and the modifier is used for modifying the polyester fiber; the modifier disclosed by the invention not only can exert the original effect of polyethylene glycol on improving the moisture regain of the polyester fiber, but also can endow the polyester fiber with flame retardant property, improve the color fastness and ultraviolet protection capability of the polyester fiber, and make up the influence of polyethylene glycol modification on the color fastness and ultraviolet protection capability of the polyester fiber; the prepared chemical and blended fabric has the advantages of moisture absorption, quick drying, ultraviolet protection, flame retardance, difficulty in fading and the like.

The utility model discloses a kind of leather moisture regaining machines, including moisture regaining machine main body, the total gas supply pipeline of one side of moisture regaining machine main body extends, the moisture regaining operation rack is provided at the one side of moisture regaining machine main body, the total gas supply pipeline of moisture regaining machine shell is provided with shunt gas supply seat, the shunt gas supply seat is installed on moisture regaining machine rack;The utility model relates to the field of leather processing technology, the leather moisture regaining machine, linear conveying device is used to make leather one-way through the air outlet of moisture regaining machine main body, shunt gas supply seat is provided on the air outlet of moisture regaining machine, under the guidance of shunt gas supply seat Guiding shunt effect, improve the uniformity of moisture regaining and moisture regaining effect, and then shunt gas supply seat is provided with the flow guide device of steam recovery, can recover the heat in steam, improve heat utilization rate.

The invention provides a fine processing method of long fibrilia, which comprises the following steps: splitting raw fibrilia by a splitting machine, removing short fibrilia by a hackling machine, and reserving the long fibrilia with the length of more than or equal to 35mm; the combed fibers are straightened into strips, five fiber bundles are combined into one, and the uniformity of the fiber strips is enhanced; spinning the combined fiber strips into rough yarns by adopting a roving frame, and controlling the twist degree to be 20-30 twists per meter; placing the roving in a cooking pot, adding a degumming solution, and cooking for 2 hours; washing with a detergent for 30 minutes, and then washing with hot water until the pH is neutral; a softening agent is used, the bath ratio is 1: 10, and dipping is performed for 30 minutes at the temperature of 50 DEG C; drying the fibers until the moisture regain is 80%, spraying a linen softening agent, standing in a curing room at 40 DEG C for 48 hours, and controlling the final moisture regain to be 30%; and winding into a barrel through a winding machine, and packaging.

The invention relates to a tobacco strip optimization processing method and system, computer equipment and a storage medium. The method comprises the following steps that tobacco strip raw material parameters are obtained, and the tobacco strip raw material parameters comprise a tobacco group formula, the initial water content and the raw material density; operation parameters are determined according to the tobacco strip raw material parameters, the operation parameters comprise initial slicing parameters and initial operation parameters of vacuum moisture regaining, the slicing parameters comprise the number of slicing times, and the initial operation parameters comprise the water adding amount, the pressure maintaining time and the vacuum pumping degree; and transmitting the initial slicing parameters and the initial operation parameters to a slicing machine and a vacuum moisture regaining machine, and performing slicing and vacuum moisture regaining treatment.

This invention discloses an enhanced impurity removal and gentle carding process for machine-harvested cotton, belonging to the field of textile processing technology. The process includes four coordinated steps: pretreatment and feeding control, enhanced impurity removal in the licker-in area, fine carding in the cylinder, flatbed, and doffer areas, and cotton suction and negative pressure configuration. By controlling the lap weight to 380-420 g / m and the moisture regain to 7.0%-7.8%, increasing the licker-in speed to 920-980 rpm and using a low-blade, large-angle dust removal knife configuration, while simultaneously reducing the cylinder speed to 320-340 rpm and increasing the flatbed speed to 220-260 mm / min, and optimizing key spacing, this process achieves efficient removal of impurities from machine-harvested cotton while reducing fiber damage. This process solves the technical problems of low impurity removal efficiency, high short fiber content, and large quality fluctuations when the TC15-3 carding machine processes Xinjiang machine-harvested cotton. It reduces the impurity content of the sliver by 15-30%, the short fiber growth rate by 1-2 percentage points, and the nip removal rate by 10-20%.

The utility model relates to a loosening and moisture regaining device. The loosening and moisture regaining device comprises a barrel, a hot air circulation mechanism and a moisture removing mechanism, the barrel is provided with a containing cavity, the feeding end of the barrel is provided with a first input port and a feeding port, and the discharging end of the barrel is provided with a first output port and a discharging port. The hot air circulation mechanism comprises a heating and humidifying assembly, a hot air circulation pipeline and a first air supply assembly, one end of the hot air circulation pipeline is connected with the first input port through the heating and humidifying assembly, the other end of the hot air circulation pipeline is connected with the first output port, and the first air supply assembly is installed on the hot air circulation pipeline. The moisture removal mechanism comprises a first moisture removal pipe, a second moisture removal pipe, a second air supply assembly and an exhaust pipe. The second air supply assembly conducts moisture removal and dust removal on the feeding port and the discharging port through the first moisture removal pipe and the second moisture removal pipe. The loosening and moisture regaining device has the advantages of being good in production quality and high in efficiency.

This invention provides an electronic-grade glass fiber composition and its glass fiber cloth, relating to the field of glass fiber technology. The electronic-grade glass fiber composition comprises: alumina, silicon oxide, magnesium oxide, calcium oxide, barium oxide, additives, and fillers; the mass ratio of alumina, barium oxide, and additives is (20-40):(2-8):(2-5); the additives are metal A and metal B in a mass ratio of (1-5):(1-5); metal A includes at least one selected from titanium, vanadium, chromium, manganese, iron, cobalt, and nickel. Metal B includes at least one selected from lanthanum, cerium, praseodymium, scandium, and yttrium. The electronic glass fiber cloth prepared from the electronic-grade glass fiber composition of this invention has high tensile strength and low moisture regain during long-term storage.

The application relates to the technical field of fabrics, and discloses a soft and moisture-absorbing polyester fabric and a preparation method thereof. An organic silicon finishing agent is added into water, stirred to obtain a finishing agent solution, then a polyester fabric is subjected to two-dip-two-roll, pre-drying, baking, washing, soaping, and drying to obtain the soft and moisture-absorbing polyester fabric. The organic silicon finishing agent contains flexible polysiloxane molecular chains, and can improve the softness and wrinkle resistance of the polyester fabric after finishing. Moreover, the organic silicon finishing agent contains a large number of hydrophilic hydroxyl groups and carboxyl groups, can improve the moisture regain of the polyester, and is beneficial to improving the moisture absorption and moisture permeability of the polyester. The finishing agent is tightly and firmly attached to the surface of the polyester fabric, and the polyester fabric still has good softness, wrinkle resistance and moisture regain after washing, so that the application range of the polyester fabric is widened, and the polyester fabric can be used for manufacturing clothes.

The invention relates to the technical field of modified fibers, in particular to a preparation method of low-moisture-regaining cotton fibers, which comprises the following steps: dispersing cotton fibers, putting the cotton fibers into constant-temperature alkali liquor for activation, and washing the cotton fibers until the cotton fibers are neutral after activation; a nanoscale hydrophobic material is added into the cotton fibers, and the cotton fibers and the nanoscale hydrophobic material are subjected to a full grafting reaction; dehydrating and drying to obtain low-moisture-regaining cotton fibers; the washable anti-hardening flocculus can be obtained by mixing the low-moisture-regaining cotton fibers with common cotton fibers according to different proportions. Hydrophobic groups are introduced into the fibers and are subjected to a full grafting reaction with hydroxyl groups in cotton fibers, so that the hydroxyl groups can be closed and inactivated and cannot form hydrogen bonds with water molecules to lock water, reduce moisture regaining and improve quick-drying performance; the nanoscale hydrophobic material can change the surface chemical composition of the fiber, reduce the surface energy of the fiber, reduce the shrinkage capacity of cotton washing and increase the dimensional stability, and has an anti-hardening function.

The utility model belongs to the technical field of cigarette production equipment, and particularly relates to a vacuum moisture regaining steam recycling device which comprises an efficient energy storage tank, a condensate water cooling device and a steam using pipeline. The inlet end of the efficient energy storage tank is communicated with the outlet end of the vacuum damping machine through a first pipeline; a pressure control structure is arranged in the efficient energy storage tank and divides an inner cavity of the efficient energy storage tank into a low-pressure area and a high-pressure area. The bottoms of the low-pressure area and the high-pressure area are connected with a condensate water recovery interface, and the condensate water cooling device is mounted at the condensate water recovery interface; the steam using pipeline is arranged in the high-pressure area and is communicated with the efficient energy storage tank and steam using equipment; according to the vacuum damping machine, through the arrangement of the efficient energy storage tank, steam of the vacuum damping machine is directly recycled, the energy use efficiency of the vacuum damping machine is remarkably improved, and energy waste is reduced.

The utility model discloses a damping machine discharge port striker plate which comprises a vertical supporting plate (1) and a screen plate (2) with the lower end inclined outwards, meshes (21) are formed in the screen plate (2), and the area of the meshes (21) accounts for 20-50% of the total area of the screen plate (2). And a certain included angle (4) is formed between the supporting plate (1) and the screen plate (2). According to the discharge port striker plate, the problem that tobacco leaves form wet clusters and adhere to the surface of the striker plate is solved, and meanwhile the hidden danger of yellow spot tobacco is reduced to a certain degree.

The invention relates to the technical field of straw pretreatment, and discloses a straw pretreatment drying-smashing integrated device which comprises a bottom plate, a drying box is fixedly connected to the left side of the upper portion of the bottom plate, a control key is fixedly connected to the front portion of the drying box, and a feeding port is fixedly connected to the upper side of the drying box; the drying device comprises a drying box, the two sides of the interior of the drying box are rotatably connected with shielding plates through adapter shafts, the two sides of the interior of the drying box are fixedly connected with first connecting frames, the first connecting frames are rotatably connected with hydraulic rods through first connecting shafts, and the output ends of the hydraulic rods are rotatably connected with second connecting frames through second connecting shafts; and the second connecting frame is fixedly connected to the lower side of the shielding plate. After straw is evenly dried through hot air generated by the heating assembly, the baffle plate is controlled by the hydraulic rod to rotate and fall, the straw is continuously conveyed to a crushing workshop section through the conveying belt, the moisture regaining problem in the material transferring process is effectively avoided through the integrated structure, and heat energy loss is reduced.