90results about "Wood charring/burning" patented technology

This invention discloses an electrically heated bamboo-wood composite particleboard, an electrically heated floor based thereon, and a method for preparing the same. The electrically heated bamboo-wood composite particleboard of this invention is a multi-layered bamboo-wood structure particleboard with electrothermal function, and the board has a centrally symmetrical structure. The electrically heated bamboo-wood composite particleboard includes an upper surface layer, an upper reinforcing layer, an electrothermal layer, a lower reinforcing layer, and a lower surface layer. The upper and lower surface layers are composed of wood shavings, the upper and lower reinforcing layers are composed of large, thin wood shavings, and the electrothermal layer is composed of modified bamboo shavings. These modified bamboo shavings are obtained by impregnating bamboo shavings in sodium hydroxide, modifying them, and then carbonizing them. The electrically heated bamboo-wood composite particleboard prepared by this invention has enhanced bonding strength, good insulation performance, and high safety; it has the same dimensions as conventional flooring, making it easy to lay; and multiple points of electricity ensure uniform heating of the board.

The utility model provides a carbonization furnace which is convenient for smoke exhaust, relates to the technical field of carbonization furnace processing auxiliary devices, and aims to solve the problem that most of the existing carbonization devices are kilns built on-site at the firewood felling site to burn carbon, such devices increase the labor intensity of workers, and it is not easy to control the carbonization process, the carbonization cycle of raw materials is long, the carbonization is uneven, a large amount of smoke is generated in the carbonization process, it is not easy to exhaust, and the carbonization quality is affected. The utility model comprises a furnace body, the furnace body is fixedly connected to the ground by a bracket, a sealing plate is hinged at the opening position of the furnace body, the left end of the sealing plate is the hinge rotation point, the right end of the sealing plate is fixedly connected to a limiting plate, the outer wall of the furnace body is fixedly connected to a connecting plate, and the connecting plate and the limiting plate are connected by bolts.

The invention discloses a color consistency control method in a bamboo kitchen ware carbonization process, and belongs to the technical field of bamboo processing. The method comprises the following steps: acquiring a multi-dimensional spectral data vector of the surface of the bamboo kitchen ware; determining a multi-dimensional change rate vector of the spectral data; respectively generating a first candidate control signal and a second candidate control signal based on the spectral data and the change rate vector; determining a system dynamic state index based on the change rate vector; generating a dynamic weighting coefficient according to the dynamic state index of the system; and performing weighted fusion on the first candidate control signal and the second candidate control signal by using a dynamic weighting coefficient to generate a final heat regulation control signal. According to the invention, the method achieves the self-adaptive optimal control of all working conditions through the construction of a dual-mode decision fusion composite control system, guarantees the quick response in a dynamic stage, guarantees the smooth convergence in a steady-state stage, and fundamentally improves the thermal inertia problem of the system.

The invention provides a bamboo pole pencil board and a preparation method and application thereof, and the preparation method comprises the following steps: sequentially performing dry carbonization softening and wet flattening on raw materials, and then performing wax dipping to obtain the bamboo pole pencil board, the raw materials comprise flattening plates or splice plates. The bamboo rod pencil board is high in strength, good in size stability, free of warping, smooth in surface, good in pencil point forming, close to a poplar pencil board in coiling and cutting performance, environmentally friendly and safe in preparation process, free of harmful substances such as formaldehyde and the like, capable of meeting the safety requirement and capable of meeting the requirements of student supplies and office supplies.

A laser system comprises a femtosecond laser, and a beam delivery system configured to deliver and scan a laser beam emanating from the femtosecond laser onto wood, based on a desired graphene design, wherein graphene is formed on the wood by the laser beam. A device capable of being fabricated by the laser system may include a temperature sensor which detects a temperature by measuring resistance of the graphene, a heater or a boiler which converts electrical energy to thermal energy, or electrical interconnects.

The invention relates to a device (1) for heating a wooden barrel (6) comprising a longitudinal wall ending in two opposing circular rims delimiting a lower opening (61) and an upper opening (62), said device being characterized in that it comprises - a heating element (2) comprising a base enabling the heating element (2) to rest on the bottom of the barrel (6) at the level of the lower opening (61), the heating element (2) having in the vicinity of its base an orifice (21) equipped with a shutter (22) capable of taking several shuttering positions, - a chimney (3) extending axially from the heating element (2), the chimney (3) extending inside the wooden barrel (6), and - a lid (4) integral with the chimney (3),dimensioned and positioned on said chimney (3) so as to at least partially obstruct the upper opening (62) when the base rests on the bottom of the barrel at the level of the lower opening (61) Figure for the abbreviation: figure 2,

The invention relates to wood furniture with mothproof, scratch-resistant and flame-retardant properties and a preparation method thereof, the wood furniture comprises a furniture body, and the furniture body is formed by assembling a plurality of pieces of wood; each piece of wood is subjected to pressurization soaking treatment through an insect-proof flame retardant; the surface of the furniture body is coated with a scratch-resistant layer; the scratch-resistant layer is formed by coating the surface of the furniture body with a scratch-resistant coating; according to the wood furniture, due to the dual-structure design of'internal insect-proof flame-retardant treatment and outer scratch-resistant coating ', organic combination of insect damage prevention, scratch resistance and flame retardance is achieved, and the wood furniture has lasting and comprehensive insect-proof performance and excellent scratch-resistant and flame-retardant performance.

The invention relates to the technical field of straw returning equipment, and provides a movable field carbon-based irrigation pipeline in-situ processing device which comprises a frame, and a straw clay picking and smashing system, a first-stage carbonization area, a cooling and filtering area, a mixing, feeding and stirring area, an extrusion groove, a second-stage carbonization area, a soil furrow opener, a first-stage flue gas combustion chamber and a second-stage flue gas combustion chamber are arranged on the frame. The first-stage carbonization area is communicated with the straw and clay picking and crushing system, the cooling and filtering area is communicated with the first-stage carbonization area, the mixing, feeding and stirring area is communicated with the cooling and filtering area, the extrusion groove is communicated with the mixing, feeding and stirring area, the second-stage carbonization area is communicated with the second-stage flue gas combustion chamber, and the soil opener is arranged below the front portion of the frame. The first-stage smoke combustion chamber is communicated with the first-stage carbonization area, and the second-stage smoke combustion chamber is communicated with the second- According to the device, automatic picking, smashing and carbonizing of clay and straw, carbon-based irrigation emitter manufacturing, field returning and smoke-free treatment can be achieved, and high operation stability and carbon-based irrigation emitter manufacturing efficiency are achieved.

The invention discloses a production method of flexible high-strength large-breadth thin bamboo strips. The production method comprises the following steps: [1] manufacturing rough planed bamboo strips; (2) carbonizing the bamboo canes; (3) drying the bamboo canes; (4) bamboo board manufacturing; (5) humidifying the bamboo board; the wet laminated bamboo board is directly placed on a slicing machine, the board is fixed through a vacuum adsorption device and sliced, the included angle between the rear angle and the wedge angle of a slicing tool and the horizontal plane of the bamboo board ranges from 15 degrees to 25 degrees, the included angle between the cutting edge of the slicing tool and the slicing feeding direction is the cutting edge inclination angle ranging from 30 degrees to 55 degrees, and micro thin bamboos with the thickness ranging from 0.08 mm to 0.5 mm are obtained through slicing; and (7) drying and laminating are conducted, specifically, the micro thin bamboo is manually leveled and fed into a drying machine, the hot air drying temperature ranges from 70 DEG C to 120 DEG C, the hot air speed ranges from 6 m / s to 8 m / s, the micro thin bamboo is dried till the water content is lower than 12%, then the micro thin bamboo enters a laminating machine, the micro thin bamboo and a polymer film are compounded at the temperature ranging from 70 DEG C to 190 DEG C, or the micro thin bamboo and paper are glued, and the large-breadth micro thin bamboo material is prepared. The finished product rate of sliced thin bamboos is increased, and the application field of bamboos is greatly expanded.

The invention relates to the technical field of wood processing, in particular to a special-shaped wood processing method and device.The processing method comprises the steps that a wood blank is provided and pretreated; the wood blank is machined and formed according to the product design drawing; the wood is subjected to surface carbonization, and the wood blank is subjected to insect prevention treatment; polishing the wood for the first time; spraying paint on the surface of the wood; and the wood is subjected to a secondary grinding procedure. In the first-stage grinding treatment, the special-shaped wood is integrally ground through a grinding roller, in the second-stage grinding process, the special-shaped wood is ground in all directions through a plurality of grinding pieces, it is guaranteed that all corners of the special-shaped wood are covered, the grinding machining effect of the special-shaped wood is guaranteed, and the machining efficiency of the special-shaped wood is improved. And automatic grinding operation can be carried out under the cooperation of the special-shaped wood processing device, and the production efficiency is improved.

The invention discloses a preparation method of dark brown fine bamboo filaments for porcelain body bamboo weaving, and relates to the technical field of environment-friendly composite materials. Through acid-alkali-neutralization-oil tanning-carbonization multi-procedure cooperative treatment, the appearance of the natural bamboo fiber is kept, meanwhile, multiple protection functions are achieved, mildew prevention is achieved, toughness is enhanced, bending resistance is remarkably improved, water absorption is greatly reduced, and the product quality is improved. The natural dark brown color can be obtained without using dye, and the fine bamboo filaments are endowed with a stable dark brown smooth aesthetic effect.

The invention relates to the technical field of plate processing, and provides a furniture plate processing method and device which comprises a cutting table, a placing area arranged on the cutting table and used for placing plates and a cutting assembly used for cutting the plates, and is characterized in that supporting blocks used for supporting the plates are arranged in the placing area in an array mode; each supporting block can independently ascend and descend, the supporting block perpendicularly corresponding to the cutting path is located at the lower set position and keeps a set distance from the lower side of the plate, and the other supporting blocks are located at the upper set position and keep contact with the lower side of the plate. The supporting block vertically corresponding to the cutting path descends to the lower set position, a set distance is kept between the supporting block and the lower side of the plate, so that a safe cutting space is reserved, and the other supporting blocks do not act to be located at the upper set position and keep in contact with the lower side of the plate; the supporting block cannot be damaged in the cutting process, and the service life of the plate supporting structure is greatly prolonged.

The invention relates to an echelon temperature control type wood drying and carbonizing method, and belongs to the technical field of carbonization processing. Step S10, raw material and temperature control system pretreatment; s20, preheating starting is conducted, temperature gradient A heating treatment is conducted on the first drying chamber, after the drying chamber enters a temperature gradient B heating treatment stage, an exchange pump between the drying chamber and the second drying chamber is started, and waste heat is guided into the second drying chamber for temperature gradient A heating treatment; s30, drying transition is conducted, specifically, the first drying chamber guides the second drying chamber to conduct heating treatment at the temperature gradient B, and therefore the second drying chamber guides the third drying chamber to conduct heating treatment at the temperature gradient A; step S40, carbonization and curing: carrying out carbonization treatment on the first drying chamber; s50, deep curing and waste heat relay are carried out; and S60, cooling and wood output are conducted, and output and replacement of the processed wood are conducted. The technical problems that a large amount of waste heat is brought out and the heat recovery efficiency is low due to the fact that a circulating air box is needed for air circulation are solved.

Provided are an ecological slope anti-corrosion timber pile and a treatment device and method therefor, belonging to the field of ecological engineering. The device includes a gasification furnace, and first, second and third carbonization chambers, each internally provided with a main gas pipeline, and multiple rows of radially distributed branch gas pipes are vertically disposed thereon and provided with electronic igniters. Multiple rows of radially distributed timber piles are vertically inside the carbonization chambers and between the branch gas pipes. The gasification furnace is connected to the main gas pipeline of the first carbonization chamber through a gas booster pump. The first carbonization chamber is connected to an air blower, the first and second carbonization chambers are connected through a joint pipe, the second and third carbonization chambers are connected through a pipeline, and the third carbonization chamber is connected to the gasification furnace through a gas delivery pipe.

The utility model discloses a rubber wood homogenizing carbonization furnace, and belongs to the field of carbonization furnaces. The device mainly comprises a working assembly, a supporting assembly is arranged in the working assembly, the working assembly comprises an outer frame, an inner cylinder is fixedly installed on the outer frame, the supporting assembly comprises two sets of containing cavities which are both formed in the inner cylinder, and rubber wood needing to be processed is placed in the containing cavities; according to the rubber wood homogenizing and carbonizing furnace, the two sets of containing cavities are formed in the inner barrel, rubber wood can be collected and placed in a centralized mode, meanwhile, the containing cavities can be matched with supporting rods a through the moving wheels, and the rubber wood can be placed in the containing cavities in a centralized mode; and two groups of placing cavities can be conveniently moved in the inner cylinder, so that the placing cavities can be conveniently taken out of the inner cylinder, the problem that the temperature and smoke generated in the equipment influence taking out of workers is solved, and meanwhile, the use safety of the equipment is also improved.

According to the environment-friendly solid wood floor adopting the deep carbonization treatment process and the production method of the environment-friendly solid wood floor, modification of a wood molecular structure is achieved through the steps of raw wood material pretreatment, high-temperature and high-pressure deep carbonization treatment, cooling stabilization treatment, surface waterproof treatment, standard floor processing and the like. According to the method, deep pyrolysis treatment is conducted in the high-temperature environment of 190-212 DEG C, the hemicellulose structure of the wood is changed from the molecular level, chemical agents do not need to be added, release of harmful substances such as formaldehyde is thoroughly eliminated, and meanwhile the size stability and corrosion resistance of the wood are remarkably improved. The perfect combination of the natural attractiveness of the traditional solid wood floor and the stability of the modern technology is realized, and an innovative solution is provided for green building materials.

A wood degreasing process, comprising the following steps: providing a degreasing promoting liquid; pretreatment: soaking wood in the degreasing promoting liquid for 0.5-3.5 hours; heat treatment: taking the wood out of the degreasing promoting liquid and placing it into a carbonization kiln; wood repairing treatment: providing a curing agent, dissolving the curing agent in a solvent to form a repairing agent solution, and then soaking the wood after the heat treatment into the repairing agent solution; and lumber drying treatment: drying the wood after the modification treatment to complete the degreasing of the wood. The degreasing process uses the degreasing promoting liquid in the early stage of degreasing and adopts a low-temperature weak alkaline solution, which can make the resin precipitate from the wood and undergo saponification reaction with the alkaline substance provided by the sodium bicarbonate, so as to achieve the purpose of removing the resin, and at the same time, the temperature of the heat treatment can be reduced and the speed of the heat treatment can be increased, so that the heat treatment can be carried out at medium temperature, thereby reducing the influence on the color and mechanical properties of the wood and improving the stability of the product.

The utility model belongs to the technical field of bamboo processing, and discloses a high-temperature carbonization device for bamboo processing. Comprising a supporting frame, the interior of the supporting frame is rotationally connected with a carbonization box, the exterior of the carbonization box is rotationally connected with a rotating sleeve, the rotating sleeve is fixedly connected to the position, away from the carbonization box, of the interior of the supporting frame, and an air outlet is formed in the position, close to the rotating sleeve, of the exterior of the carbonization box; an opening is formed in the position, close to the rotating sleeve, of the top of the supporting frame. According to the device, bamboos in the carbonization box can be uniformly heated through rotation of the carbonization box, heat and pressure are discharged along an exhaust outlet and an exhaust pipe by rotating the carbonization box in a rotating sleeve, the bamboos in the carbonization box are uniformly heated, and the problem that the bamboos on the top layer do not reach enough heat is solved. The problems that partial carbonization of the bamboos is unqualified and the strength of the bamboos does not meet the specification are solved, and the uniform carbonization effect of the bamboos in the carbonization box is improved.

The utility model belongs to the technical field of bamboo wood carbonization, and particularly relates to an efficient bamboo wood drying and carbonizing device which comprises a carbonizing furnace and two supporting frames, the two supporting frames are fixedly connected to the left side and the right side of the bottom of the carbonizing furnace respectively, and a drying and carbonizing device and a pressure relief device are arranged in the carbonizing furnace. According to the efficient bamboo wood drying and carbonizing device, when bamboo wood is carbonized, a rotating motor is started to drive a rotating shaft to rotate in a sealing bearing, so that a placing frame is driven to rotate in a rotating bearing, the bamboo wood placed in the placing frame is driven to rotate, carbonization treatment of high-temperature steam is more uniformly received, the bamboo wood carbonization synchronization rate is guaranteed, and the bamboo wood drying and carbonizing efficiency is improved. And when the pressure in the carbonization furnace is too high, the pressure pushes the sealing block to move upwards along the pressure relief pipe and extrudes the spring until the sealing block is higher than the pressure relief hole, so that the air pressure is discharged through the pressure relief hole, and potential safety hazards caused by too high temperature in the carbonization furnace are avoided.

To provide wooden tableware that allows the aroma of smoke (smoked food) to be felt more strongly and for a longer period of time, and a method for manufacturing the wooden tableware. [Solution] Wooden tableware 1 is tableware having an inner surface 1a in which the inner edge of a cross section perpendicular to a predetermined axis Z is a circle centered on said axis Z, and the tableware main body 10 having the inner surface 1a is carved out of hardwood or softwood (excluding bamboo). A smoked layer 5 is formed on a part (partial area) or the whole (entire area) of the inner surface 1a by a smoking process in which one or both of hardwood and softwood (excluding bamboo) is heated as a smoking material 6 and the smoke produced at that time is applied to the surface.

The invention relates to the technical field of bamboo product production, in particular to a preparation method of a Feizixiao bamboo product based on a bonding process. According to the method, the Feizixiao bamboo material is buried in a silt field to be treated for 300-500 days, the Feizixiao bamboo material is fully desugared and degreased, then the Feizixiao bamboo material is placed in a shady, cool and dry place for 600-800 days, spots and patterns on the bamboo green face of the Feizixiao bamboo material are clearer and ruddy, and compared with a direct drying mode, the Feizixiao bamboo material has better stability and can have the appearance quality of Hunan old Feizixiao bamboo; the treated Feizixiao Hunan bamboo material is broken into bamboo strips and bamboo chips in specific forms, first the first planes of the bamboo strips are mutually glued to form a semi-finished product with two bamboo green sides and two tabasheer sides so as to eliminate inward stress of bamboos and prevent inward deformation, and then the tabasheer sides on the two sides are planed and glued with the second planes of the bamboo chips to form a finished product. The bamboo pole has the advantages that the stability is better, deformation and bending are not prone to occurring, the main pole can be selected as the bamboo material, and bamboo green spots of the main pole are evenly and intensively distributed.

The invention relates to the field of bamboo processing, and particularly discloses a bamboo board production method which comprises the steps that S1, bamboo processing waste is dried, smashed and then sieved, and smashed bamboo particles are obtained; s2, the crushed bamboo particles are taken and added into a bamboo adhesive, gypsum powder and water to be evenly mixed, and then the mixture is put into a mold; and S3, the mold is put into a carbonization furnace to be carbonized, pressing is conducted immediately after carbonization is finished, and the high-quality plate is obtained. The bamboo waste comprises leftover materials, leftovers and bamboo tips left in the processing process of bamboo products. The method disclosed by the invention is simple to operate, the used raw materials are low in price, and the method is suitable for process production and has popularization prospects. The bamboo board prepared by the invention is compact in structure, high in strength, bright in color and low in formaldehyde content, and is a bamboo artificial board with extremely high quality.

The utility model relates to the technical field of carbonization equipment, and discloses antibacterial and anticorrosive carbonization equipment for bamboo product production, which comprises a box body, a box door, a plurality of carbonization devices and a plurality of carbonization devices, the front surface of the box body is fixedly provided with a hinge through a positioning bolt, and the front surface of the box body is hinged with the box door through the hinge; the movable adjusting assembly is arranged in the box body; the cooling part is arranged above the box body, by arranging a mounting base, when a machined part needs to be machined and is placed on a placing plate, a connecting sliding block moves back and forth in a sliding groove through a sliding rail base, the placing plate is fed into a carbonization part, meanwhile, an air cylinder is arranged to enable a threaded rod to adjust the position up and down, and the cooling part is arranged above the box body. And further, by arranging a telescopic supporting rod, the placement plate is reinforced and supported to adjust the position, and the effect that the placement position can be adjusted according to the machined part is achieved.

The invention relates to the use of a heating material for the heating of wooden barrels intended to contain beverages, said heating material comprising at least 93% by mass of carbon. Figure for abstract: figure 6

The utility model relates to the technical field of wood processing, and discloses a wood surface layer carbonization device with an adjustable welding gun position, which comprises a mounting seat, and an adjusting component is arranged on the top end face of the mounting seat. According to the wood surface layer carbonization device with the adjustable welding gun position, the corrugated groove drives the movable rod and the welding gun body to rotate around the movable block, the pitching angle of the welding gun body is adjusted, a larger output range is covered, the height difference of the wood surface can be more effectively adapted, a heat source is evenly distributed on the wood surface, dead corners are prevented during carbonization, and the carbonization efficiency is improved. The included angle between the wood and the mounting seat is adjusted, so that more angles can be exposed to the welding gun body, the welding gun can carbonize a plurality of side surfaces or complex surfaces of the wood, the carbonization is not limited to the upper surface, the processing is more flexible, and the welding gun is particularly suitable for the wood with the surface having radian, inclined surface or special shape; and each part to be carbonized can be uniformly treated.

The invention discloses a wood veneer treatment system and a wood veneer treatment method. The system comprises a carbonization furnace used for heating and carbonizing wood veneers; the belt conveyor is used for conveying carbonized veneers; the first spraying device is arranged at the first station and used for spraying chemicals to the veneers located on the surface of the belt conveyor; the first drying device is arranged at the second station and is used for drying the medicament on the surface of the veneer; the turn-over mechanism is arranged at the third station and used for picking up the veneers conveyed from the second station, turning over the veneers and placing the veneers on a belt conveyor so as to convey the veneers to a fourth station; the second spraying device is arranged at the fourth station and used for spraying chemicals to the veneers conveyed from the third station; and the second drying device is arranged at the fifth station and used for drying the medicament on the surface of the veneer conveyed by the fourth station. When the system is used and combined with the method for processing the wood veneer, various attributes of the wood veneer can be effectively improved.

The present application relates to the technical field of bamboo building material, and particularly relates to a bamboo-steel reinforced concrete skeleton structure production equipment, which comprises a groove pressing mechanism, the groove pressing mechanism is used for pressing grooves on the surface of the composite bamboo-steel and bending the bamboo-steel in the middle during movement; a stabilizing mechanism is arranged behind the groove pressing mechanism and is used for realizing the traction movement of the composite bamboo-steel and ensuring the stability of the composite bamboo-steel during movement; a penetrating mechanism is arranged between the groove pressing mechanism and the stabilizing mechanism and is used for penetrating connectors on the bamboo-steel in cooperation with the groove pressing mechanism, and the penetrating mechanism comprises a mounting piece for inserting the connectors on the bamboo-steel and a docking piece for assisting the mounting of the connectors. The technical problem that a large amount of manpower is required for the production of the bamboo-steel skeleton and the quality is unstable is solved.

The present application relates to the technical field of carbonization of burned fir board, in particular to a burned fir board carbonization treatment device, which comprises a cross beam, two storage rooms for storing wood boards are arranged on the lower side of the cross beam, a door plate is hingedly connected to the opening side of the storage room through a hinge, a bottom frame for supporting the wood boards is fixedly connected to the bottom of the storage room, detachable inner tubes are installed on the upper ends of the two storage rooms, outer tubes are sleeved on the inner tubes, the cross sections of the inner tubes and the outer tubes are all equilateral triangles, support lugs are fixedly connected to the lower edges of one side of the outer tubes, vertical holes are formed in the middle positions of the upper surfaces of the support lugs, vertical studs are inserted into the vertical holes, the lower ends of the studs are fixedly connected to the inner tubes, first nuts are arranged on the upper sides of the support lugs, and second nuts are arranged on the lower sides of the support lugs. The present application has the following beneficial effects: the uniformity of the carbonization treatment of the burned fir board is improved, and the carbonization treatment efficiency of the burned fir board is also improved.

The invention relates to a method (100) for monitoring and dynamically controlling the toasting of staves (3) during the manufacture of a barrel (2), the staves being assembled in such a way as to form a barrel. The method is implemented by a monitoring system (1). The invention also relates to a system (1) for monitoring and dynamically controlling the toasting of staves during the manufacture of a barrel. The invention also concerns a database (300) comprising a plurality of toasting parameter values associated with organoleptic quality values that can be used to establish a toasting model establishing a correlation between the origin of the wood, the maturation of the wood, the toasting parameters and the aromatic profile of the barrel. The invention also concerns a batch of barrels comprising a substantially identical aromatic profile. Figure to be published with the abstract:

The present application relates to hot pressing control technical field, disclose a kind of fine woodworking board hot pressing carbonization linkage control method and system, the method includes: obtaining the rebound of plate blank to be pressed, and obtain the state parameter of plate blank to be pressed.According to rebound and state parameter, determine whether plate blank to be pressed is in rebound stagnation risk state.When in, determine the dominant risk state.When in rebound dominant risk state, carry out slow pressure rise and shape stability, according to the thickness change of plate blank compression Limit speed temperature rise and decompression steam of edge portion, after steam end, carry out final pressure curing under the condition of limiting edge portion temperature rise upper limit.When determining in stagnation dominant risk state, carry out edge portion limited speed temperature rise, according to the surface temperature difference of edge portion and center and the thickness change of plate blank compression Decompression steam is carried out, after steam end, final pressure curing is carried out.When not in, carry out reference hot pressing control.The present application inhibits edge portion carbonization, improves internal bonding quality, improves product qualification rate.