563 results about "Desiccator" patented technology

The present invention includes a spray drying disposable device for use in a spray drying system. The disposable has a spray drying head and a plasma drying chamber. The head has a spray dry nozzle assembly in fluid communication with the plasma source and the pressurized aerosol gas source. The pressurized gas flows in a vortex pattern that atomizes plasma droplets in the chamber. The head also includes a plenum has uniform air pressure of the drying gas. A baffle plate forms the floor of the plenum having drying gas jets that supply drying gas to the chamber. The atomized plasma droplets evaporate in the presence of the drying gas emitted from the jets to obtain dried plasma particles and humid air. A capture filter captures the dried plasma particles and allows the humid air to pass. The humid air passes through the gas outlet and the exhaust port.

The utility model discloses a polypropylene multi-unit collaborative devolatilization system, which belongs to the technical field of devolatilization in polypropylene production process, and comprises a polypropylene powder solid-phase devolatilization unit, a polypropylene powder solid-phase devolatilization unit, a polypropylene powder solid-phase devolatilization unit, a polypropylene powder solid-phase devolatilization unit and a polypropylene powder solid-phase devolatilization unit, the extrusion granulation devolatilization unit comprises an extruder and a granulator, an outlet of the powder collecting tank is connected with a feed port of the extruder, and an outlet of the extruder is connected with the granulator; the granule devolatilization unit comprises a hot air drying stock bin, and an outlet of the granulator is connected with an inlet of the hot air drying stock bin; an outlet of the hot air drying bin is used for being connected with a packaging production line. According to the melt devolatilization system disclosed by the utility model, the batch-type vacuum dryer is additionally arranged, so that the modification of a core equipment double-screw extruder is reduced, the process complexity of the melt devolatilization system is obviously reduced, the devolatilization efficiency is improved, and volatile components can be completely removed.

A coating apparatus 10 for applying a film-forming liquid to a peripheral edge of a board while moving a board and a coating unit 20 relative to each other, wherein the coating unit 20 includes a coating mechanism 21 and an extension mechanism 30, and wherein the coating mechanism 21 has a coating part 22 for applying the film-forming liquid to at least a peripheral edge face of the board, and wherein the extension mechanism 30 has a coating part 22 for applying the film-forming liquid to at least a peripheral edge face of the board. The extension mechanism 30 has an extension part 31 that extends the film-forming liquid applied by the application part 22 to the peripheral edge face and the peripheral upper and lower faces of the board in the form of a thin film, and a force mechanism 34 that forces the extension part 31 toward the peripheral edge face and the peripheral upper and lower faces of the board, and the extension part 31 is configured to be removable without removing the force mechanism 34 from the extension mechanism 30.

The utility model relates to a triple-cycle high-salinity wastewater low-temperature scraper drying system which comprises a roller scraper dryer, a steam condensation chamber, a condensed water tank and a vacuum pump, the vacuum pump vacuumizes the drying cavity through the condensate water tank and the steam condensation chamber. The first heat exchange cycle is suitable for exchanging heat absorbed by the steam condensation chamber to the third heat exchange cycle; the second heat exchange cycle is suitable for exchanging heat of the third heat exchange cycle to the water jacket; and the heat exchange ends on the two sides of the third heat exchange cycle are connected with the first heat exchange cycle and the second heat exchange cycle correspondingly. The three heat exchange cycles work cooperatively, the heat of the first heat exchange cycle is reduced, the heat provided for the second heat exchange cycle by the third heat exchange cycle is reduced, and the hot water in the second heat exchange cycle can still heat the materials in the drying cavity by exceeding the boiling point rise through the auxiliary heat, so that the low water content of the dry materials is effectively ensured.

The invention provides a low-rank coal pyrolysis system and a control method thereof. The low-rank coal pyrolysis system comprises a through-flow type rotary dryer, a pyrolysis furnace, a dust remover, a waste heat recovery device, a venturi tower and a purification recovery device, and a dried coal outlet of the through-flow type rotary dryer is connected with a product inlet of the pyrolysis furnace; a raw gas outlet of the pyrolyzing furnace is connected with a gas inlet of the venturi tower through the dust remover and the waste heat recovery device in sequence, a flue gas outlet of the pyrolyzing furnace is communicated with a flue gas recovery port of the cross-flow rotary dryer to recover flue gas to dry raw material coal, and a tower bottom outlet of the venturi tower is connected with the ammonia water purification and recovery device to recover coal tar; and a coal gas outlet of the venturi tower is communicated with the coal gas purification and recovery device. According to the low-rank coal pyrolysis system provided by the invention, on one hand, waste heat of raw gas can be recycled, and on the other hand, raw materials can be conveniently dried, so that the pyrolysis efficiency is improved.

A dryer and method for drying a ball may include a housing defining an enclosure and including a plurality of walls and a door. A dryer and method and method may include at least one ball support. A dryer and method may include a blower mechanism including: an air inlet that draws air from outside the enclosure, a fan, a motor operably connected to the fan, a power source for the motor, a heating element downstream of the fan, an exhaust port directing an airstream generated by the fan toward the ball support inside the enclosure. A dryer and method may include exit holes defined by the housing that allow water and moist air to escape the enclosure.

The invention relates to a method for continuous thermal surface post-crosslinking of superabsorbents, in which superabsorbent particles are coated by spraying a surface post-crosslinking agent solution, the coated superabsorbent particles are subjected to thermal surface post-crosslinking in a contact dryer (1), the superabsorbent particles leaving the contact dryer (1) are transferred into the contact dryer (2) via a hopper and a metering device, the liquid level in the hopper is adjusted by the metering device and the hopper has a discharge aid, and the hot surface post-crosslinked superabsorbent particles are cooled in the contact dryer (2).

The invention belongs to the technical field of environmental protection, and particularly relates to a direct-fired incinerator based on environmental protection, which comprises a transfer component, and a feeding component is arranged at the top of the transfer component; the top of the incinerator is provided with an adapter sleeve box; the exhaust component is arranged at the bottom of the transfer component and is used for exhausting internal dried water vapor; the transfer part comprises a container, and transfer cutting grooves are formed in the left side and the right side of an inner cavity of the container. According to the device, most of water in collected garbage can be removed through an air blowing plate, then the garbage is subjected to fine drying treatment through an upper dryer, and at the moment, the garbage can be flatly laid on the upper surface of a built-in transmission belt under the vibration effect of an internal vibration component; therefore, the problem that residual water in the stacked garbage cannot be dried is solved, the garbage subsequently thrown into the incinerator is ensured to be in a relatively dry state, and the problem that the garbage cannot be fully combusted due to water interference is avoided.

Device for at least partially drying a printing material (02), comprising at least one dryer (351) with at least one energy emission device (352) having at least one effect area, wherein the at least one effect area is at least partially encompassed by at least one waveguide (362) and wherein the at least one waveguide (362) is configured with at least one inlet opening (372) and / or at least one outlet opening (375) and wherein the at least one energy emission device (352) comprises at least one radiation source (353) and wherein at least one amplification device (379) with at least one first effective surface (380) is attached to the at least one inlet opening (372) and / or the at least one outlet opening (375) of the at least one waveguide (362), characterized in thatthat the at least one amplification device (379) is arranged to increase the efficiency of the drying process and that the at least one amplification device (379) is arranged to project inwards into the at least one waveguide (362) by at least 5% of the depth (T362) of the at least one waveguide (362).

To provide a housing for a compressor capable of exhausting dryer waste heat together with compressor waste heat by one duct.SOLUTION: An outer box body 10 for storing a compressor device P and a compressed air dryer Q is provided. A large exhaust port 11 for exhausting the waste heat of the compressor is formed on the upper surface of the outer box body 10. A small exhaust port 12 for exhausting dryer waste heat is formed on the upper surface of the outer box body 10. A large opening part 21 covering the large exhaust port 11 is provided in the collecting duct 20. A small opening part 22 covering the small exhaust port 12 is provided in the collecting duct 20. The collecting duct 20 is provided with a duct exhaust port 23 for exhausting waste heat to the outside. A Venturi tube 30 is provided in a collecting duct 20. The waste heat of the dryer is simultaneously exhausted by the waste heat discharged from the Venturi tube 30.SELECTED DRAWING: Figure 1

The invention relates to the technical field of nuclear environmental protection, and provides a resin drying system which comprises a dryer provided with a containing cavity used for containing to-be-dried resin; the stirring part is arranged in the containing cavity and used for stirring the to-be-dried resin in the containing cavity; the air inlet pipe is inserted in the dryer, an air inlet of the air inlet pipe is located in the outer side of the dryer, an air outlet of the air inlet pipe is communicated with the containing cavity, and the air inlet of the air inlet pipe is used for conveying air to the containing cavity so as to purge resin in the containing cavity and attached to the stirring part; and an air outlet of the air supply piece communicates with an air inlet of the air inlet pipe so that air can be supplied into the containing cavity through the air inlet. According to the technical scheme, the operation of washing residual resin after shutdown is avoided, and meanwhile, the drying uniformity of the resin can be improved.

A multi-chamber dryer using adjustable conditioned air flow is disclosed. According to one embodiment, an apparatus includes a drying belt configured to receive a product to be dried on a first surface of the drying belt and a heat medium in contact with a second surface of the drying belt. The heat medium is configured to heat the product and is maintained at a pre-determined temperature. The apparatus further includes a manifold that is positioned above the drying belt, where the manifold includes one or more orifices that inject conditioned air laterally across a width of the drying belt to remove evaporated water from the product

The present invention relates to an electric heat transfer fluid multi-stage horizontal disc dryer, and more specifically, to a technology for an electric heat transfer fluid multi-stage horizontal disc dryer that can improve drying efficiency by increasing the contact area with livestock manure or sludge by allowing the heat transfer fluid to circulate widely through the discs used in the device for drying livestock manure or sludge. The present invention, as a technical means for solving the above problem, may be configured to include a disk body having a hollow interior, a plurality of blades provided on the outer circumferential side of the disk body, a heat transfer guide surface configured to divide the hollow portion of the disk body into inner and outer sides while having one side open, a first partition extending from the inner side of the disk body through the opening of the heat transfer guide surface to the center and coupled to the outer circumference of a shaft, a partition section comprising a second partition extending from the inner side of the heat transfer guide surface to the center and coupled between a heat transfer outflow hole and a heat transfer inflow hole formed on the outer circumference of the shaft, and a side plate configured in a plate shape corresponding to the hollow portion of the disk body, having a coupling hole formed in the center through which a shaft passes, and coupling such that the inner side faces the longitudinal ends of the heat transfer guide surface and the partition section while sealing both sides of the hollow portion of the disk body. A sludge dryer equipped with a multi-stage horizontal disk according to the present invention comprises a main body portion having a receiving space formed therein for receiving sludge, a shaft provided along the longitudinal direction in the receiving space, and a disk provided in the circumferential direction of the shaft, wherein the shaft is configured with a first flow path and a second flow path while the hollow interior is divided by a partition wall, and in the circumferential direction, a heat transfer outlet is formed in the first flow path divided by the partition wall and a heat transfer inlet is formed in the second flow path; and the disk comprises a disk main body having a hollow interior, a plurality of blades provided on the circumferential outer side of the disk main body, a heat transfer guide surface configured to divide the hollow portion of the disk main body into inner and outer sides while having one side open, a first partition extending from the inner side of the disk main body through the opening of the heat transfer guide surface to the center and coupled to the outer circumferential surface of the shaft, and a component formed on the outer circumferential surface of the shaft extending from the inner side of the heat transfer guide surface to the center. It may be configured to include a partition section consisting of a second partition connected between a heat flow outlet and a heat flow inlet, and a side plate configured in a plate shape corresponding to the hollow portion of the disk body, with a connecting hole formed in the center through which a shaft passes, thereby sealing both sides of the hollow portion of the disk body and connecting such that the inner surface faces the heat flow guide surface and both longitudinal ends of the partition section.

The present application belongs to the technical field of steam-water separation, and particularly relates to an external steam-liquid separation system. The present application is characterized in that sampling devices are arranged at the inlet and outlet of the wave plate dryer and the wire mesh separator, and the conductivity of the condensate water of the sampled steam-liquid mixture is measured in real time and on line, so as to monitor the steam-liquid separation efficiency of the wave plate dryer and the wire mesh separator. Meanwhile, the distance between the wave plates in the wave plate dryer and the thickness of the wire mesh area in the wire mesh separator are adjusted in real time, so that the external steam-liquid separation system provided by the present application can meet the actual requirements through on-line adjustment even when a local fault occurs, and the overall operation of the device is not affected. The external steam-liquid separation system provided by the present application can be provided with multiple groups of wire mesh separators, so as to meet different steam-liquid separation efficiency requirements, and when a group of wire mesh separators fails, the group of wire mesh separators can be disassembled and replaced without affecting the operation of the device.

The utility model belongs to the technical field of walnut processing, in particular to walnut powder spray drying equipment, which is characterized in that an exhaust hole is arranged at the bottom end of a tank body, an exhaust pipeline is arranged on an exhaust port, the other end of the exhaust pipeline is arranged on the tank body between a first sieve plate and a second sieve plate, an exhaust fan and a dryer are arranged on the exhaust pipeline, and the exhaust fan is connected with the dryer. The exhaust fan is arranged above the dryer, two screening frames are arranged on the rotating shaft, and the two screening frames are arranged above the first screening plate and the second screening plate correspondingly. The drying mechanism is used for drying walnut powder, generated water vapor enters the second drying space under the action of an exhaust fan after being subjected to moisture removal through a dryer, and after being dried in the first drying space, the walnut powder penetrates through a first sieve plate to enter the second drying space; dried water vapor with residual heat is used for secondarily drying the walnut powder in the second drying space, hot air is recycled, the product cost is reduced, resources are saved, and the drying quality of the walnut powder is improved.

The digital intelligent zinc powder capturing system comprises an annealing furnace and a circulating pipeline, one end of the circulating pipeline is connected with the upper portion of the annealing furnace, the other end of the circulating pipeline is connected with the lower portion of the annealing furnace, and a furnace gas buffer tank, a circulating frequency conversion fan, a dryer, a deaerator and a heater are sequentially connected to the circulating pipeline in series. A temperature detection galvanic couple is arranged at the gas inlet end of the furnace gas buffer tank, a temperature detection galvanic couple is arranged between the zinc powder catcher and the zinc powder concentration checker B, and a temperature detection galvanic couple, a micro-aerobic analyzer and a dew point analyzer are sequentially arranged on the circulating pipeline at the outlet end of the heater. And the furnace gas is treated through the furnace gas buffer tank, the circulating frequency conversion fan, the zinc powder catcher, the zinc powder concentration detector A, the zinc powder concentration detector B, the dryer, the deaerator and the heater on the circulating pipeline, so that the zinc powder in the annealing furnace can be effectively eliminated, and the product yield can be effectively improved.

Provided is a system that recycles high-concentration organic food wastewater and organic sludge generated during the food waste treatment process within the process itself to increase bio-gas production and minimize process waste. The present invention provides a system for maximizing bio-gas production and minimizing process waste discharge by constructing key facilities, such as anaerobic digesters, dryers, and deodorizing boilers, in a two-stage configuration and integrating these facilities into an interconnected process. By implementing this system, dried materials generated in the dryers, as well as digested slurry and condensed wastewater generated during the treatment process, may be recycled and recovered within the process. As a result, energy costs may be reduced by increasing bio-gas production, by minimizing external discharge of process waste, outsourcing treatment costs may be reduced.

The invention discloses a method for detecting trace acid-insoluble substances in raw material silicon powder for polycrystalline silicon, and belongs to the technical field of detection of trace acid-insoluble substances in industrial silicon powder, and the method comprises the following steps: placing the whole crucible in a hydrochloric acid solution, and heating and pickling; washing the crucible, placing the crucible on a suction filtration device, and performing suction filtration with high-purity water; the crucible is placed in an electric heating constant-temperature drying box to be dried, and then cooling and weighing are conducted; adding an industrial silicon powder sample into a beaker, and slowly dropwise adding mixed acid of hydrofluoric acid and nitric acid along the wall of the beaker; placing the beaker on a heating plate, heating until the liquid is completely volatilized, and adding a hydrochloric acid solution to completely dissolve the solid salt; transferring the sample into a container, diluting the sample with hot water, and carrying out suction filtration on the sample in a crucible subjected to acid pickling treatment while the sample is hot; and placing the crucible in an electrothermal constant temperature drying box for drying, then placing the crucible in a dryer for cooling to room temperature, and weighing. The method can solve the problem that the trace acid-insoluble substances in the industrial silicon powder cannot be accurately detected, and can be used for detecting the trace acid-insoluble substances in the industrial silicon powder when the trace acid-insoluble substances in the industrial silicon powder are lower than 0.2%.

The utility model discloses a safety type integrated air dryer, and relates to the technical field of air drying. The device comprises a dryer, the dryer comprises a drying tower and a base, a dismounting assembly is arranged in the drying tower and comprises two clamping blocks and two driving levers, a sealing assembly is arranged in the base, and the sealing assembly comprises three rotary knobs and an annular block. By arranging the dismounting assembly, specifically, the two push rods are pushed towards the two sides, meanwhile, the deflector rod is pushed upwards, the deflector rod is loosened after the push rods are pushed to the limit, the second spring pushes the lifting column to be inserted into the circular groove to fix the clamping block, then the drying tank can be taken out, and then the deflector rod is pushed upwards, and the first spring pushes the clamping block to be close to and reset. When the protruding block reaches the top of the sliding groove, the first spring pushes the clamping block to enter the special-shaped groove, rapid fixing is achieved, the mode is easy to operate, and the working efficiency can be effectively improved.

1. The name of the design product: separation tube of gas source dryer. 2. The use of the design product: the design product is installed in the gas source dryer, and is used for separating gas and moisture in the gas flow. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

This application discloses a two-tower semi-dehydration device, including a filter separator, a first dryer, a cooler, a pre-dryer, a heater, a gas-liquid separator, and a dust filter. Natural gas enters the filter separator through its inlet to separate free water. The outlet of the filter separator is connected to both the first dryer and the pre-dryer. The first output of the first dryer is connected to the input of the dust filter, and purified gas is discharged from the output of the dust filter. The output of the pre-dryer is connected to the input of the heater. The second output of the first dryer is connected to the output of the heater. The input of the cooler is connected to both the input of the first dryer and the input of the pre-dryer. The output of the cooler is connected to the input of the gas-liquid separator. This device simplifies the process flow, reduces the equipment footprint, significantly improves dehydration efficiency and operational reliability, and is particularly suitable for efficient dehydration of dispersed gas sources, while also reducing investment and operating costs.

The utility model discloses an inflammable and explosive gas dewatering device, including gas cooling water removal flow path, heat transfer medium circulation flow path and refrigerant circulation flow path, the gas cooling water removal flow path includes the pre -cooler, gas -liquid heat exchanger, gas -liquid separator and deliquescent dryer that connect gradually, heat transfer medium circulation flow path includes evaporimeter, gas -liquid heat exchanger, cold accumulator and circulating pump, the refrigerant in refrigerant circulation flow path absorbs heat and evaporates in evaporimeter and makes the heat transfer medium in heat transfer medium circulation flow path cooling. The utility model has the advantages of strong integrability, good operation safety, high dewatering efficiency.

The invention relates to an electrode drying apparatus, an electrode manufacturing apparatus, and an electrode drying method. The electrode drying apparatus includes: a dryer configured to form a dried active material layer by applying thermal energy to dry a fluid active material layer of an electrode active material slurry coated on a substrate moving in a first direction; a densimeter configured to measure a density of the fluid active material layer and a density of the dry active material layer; and a controller configured to control the dryer such that a magnitude of the thermal energy is adjusted based on a density change, which is a difference between the density of the fluid active material layer measured by the densitometer and the density of the dried active material layer.

The invention belongs to the technical field of power generation equipment, and particularly relates to a brush excitation generator collecting ring protection device which comprises a box body and a controller. The box body comprises an outer housing, a temperature and humidity sensor and an air dryer; the temperature and humidity sensor and the air dryer are mounted in the outer housing; the temperature and humidity sensor and the air dryer are connected with the controller, the temperature and humidity sensor is used for monitoring and collecting environment temperature and humidity data in the outer housing in real time, generating temperature and humidity data and sending the temperature and humidity data to the controller, and the controller conducts digital-to-analog conversion processing on the temperature and humidity data, generating temperature and humidity measured values and sending the temperature and humidity measured values to the air dryer. And comparing and judging the temperature and humidity measured value with the temperature and humidity set value, generating an air dryer operation instruction or a stop instruction according to a comparison and judgment result, and controlling the air dryer to start or stop. According to the device, the humidity in the outer cover shell is controlled, a closed box body is formed, erosion of water vapor in the external environment to the collecting ring is effectively prevented, and the use effect is good.

The utility model provides cooking equipment which comprises a base, a steam generating assembly, a steam dryer and a steamer, the steam generating assembly is located in the base, the steam dryer is arranged on the base, the steam dryer is provided with a drying cavity, and the drying cavity is communicated with the steam generating assembly. The steamer is arranged on the steam dryer or the base and provided with a cooking cavity, and the cooking cavity is communicated with the drying cavity. According to the cooking equipment, the drying cavity can dry wet steam, so that moisture in the steam is removed or reduced, the steam flowing to the cooking cavity does not contain moisture or contains less moisture, so that the steam discharged out of the cooking equipment from the cooking cavity is not easy to form condensed water, and the condensed water is prevented from corroding a cabinet.

The application discloses a kind of dry treatment desulfurization wastewater system and process flow, high-temperature hot flue gas of boiler induced draft fan outlet is used, dust removal is entered into evaporator coil heat exchange to realize brine concentration, and cooperate with damper to realize temperature rise in evaporator and reach crystallization temperature requirement, by concentrated liquid direct injection high-temperature air duct to carry out vapor-solid separation, then into dryer to carry out gas-solid high-temperature cyclone separation.The application is more reasonable in arrangement, has lower maintenance cost, has wider applicability in finished product production, has higher economic benefit, especially avoids chloride crystalline salt pollution ash, so that ash and chloride crystalline salt can be collected and utilized separately.

The utility model belongs to the technical field of dryers, and particularly discloses an integrated dryer and an air suspension air supply system. The integrated dryer comprises a low-pressure dryer body and a high-pressure dryer body. The low-pressure dryer body is provided with a first two-way air port and a second two-way air port which communicate with each other, and the first two-way air port is suitable for communicating with external air. The high-pressure dryer body is connected with the low-pressure dryer body, the high-pressure dryer body is provided with a third two-way air port and a fourth two-way air port which are communicated with each other, and the third two-way air port and the fourth two-way air port are suitable for being connected to an inlet of an air storage tank in series. The air drying device can improve the air drying effect.

The application relates to an air treatment device and a low-dew-point sulfonation air treatment system, which comprises a dryer with an inlet and an outlet, and a partition plate arranged in the dryer and extending from the inlet to the outlet, the partition plate divides the internal space of the dryer into multiple independent drying zones; a first distributor is arranged at the inlet of the dryer and is provided with a first gas inlet and a second gas outlet; a second distributor is arranged at the outlet of the dryer and is provided with a first gas outlet and a second gas inlet. The air treatment device and the low-dew-point sulfonation air treatment system are designed to realize the static state of the drying bed body in the dryer, and the drying bed body does not need to rotate, but the distributors at the inlet and the outlet of the dryer are driven to rotate, so that the air continuously flows in the drying zone for drying, and the saturated drying bed layer is synchronously heated and evaporated, thereby realizing the continuous adsorption and desorption circulation alternating process.

The invention relates to the technical field of waste water evaporation drying, in particular to a waste water evaporation drying method and system based on mixed molten salt heat storage, and the system comprises a light condensing and guiding unit, a molten salt heat storage unit, a heat exchange circulation unit and an evaporation drying unit; the light condensing and guiding unit comprises a Fresnel lens and a quartz glass guide tube; the fused salt heat storage unit comprises a fused salt heat storage tank and a fused salt pump, and mixed fused salt is arranged in the fused salt heat storage tank; the heat exchange circulating unit comprises a fused salt steam heat exchanger, a steam heat accumulator, a waste steam tank, a desalted water storage tank, a waste steam water circulating pump, a desalted water feeding pump and a condenser; the evaporation drying unit comprises an evaporation dryer and an evaporation condensate storage tank, the evaporation dryer is communicated with the steam heat accumulator, and the evaporation condensate storage tank is connected with the condenser. The Fresnel lens and the quartz glass guide pipe are combined for light gathering and light guiding, precise tracking and efficient collection of sunlight are achieved in cooperation with the solar tracker, and the heat conduction efficiency is greatly improved.

The invention discloses a bagasse formaldehyde-free plate and a preparation method thereof, and aims to provide a method for preparing the formaldehyde-free plate through a hot pressing process by taking bagasse as a plant fiber raw material and polyacid modified rosin resin as a formaldehyde-free adhesive, and correspondingly provide a plate product directly obtained by the method. According to a GB / T 17657-2022 method, the density of the board is measured to be 0.70-1.10 g / cm < 2 >, the static bending intensity is larger than or equal to 20 MPa, the internal bonding strength is larger than or equal to 2.0 MPa, the water absorption thickness swelling rate is smaller than or equal to 8%, and the free formaldehyde emission is smaller than or equal to 0.1 mg / L (a dryer method); according to the technical scheme, the method comprises the following steps: S1, cleaning, drying, crushing and sieving bagasse; s2, under the protection of inert gas, rosin and unsaturated polyatomic acid are mixed according to the weight ratio of 100: (10-30), the temperature is increased to 180-250 DEG C, a reaction is conducted for 1-3 h, and polyatomic acid modified rosin resin is obtained; s3, uniformly mixing the bagasse obtained in the step S1 and the polyacid modified rosin resin obtained in the step S2 according to the weight ratio of 100: (5-15), paving the mixture in a hot press, performing hot pressing for 5-30 minutes under the conditions that the temperature is 160-240 DEG C and the pressure is 2-5 MPa, and performing cooling and shaping to obtain a bagasse formaldehyde-free plate; belongs to the technical field of artificial board manufacturing.