15results about "Open tank impregnation" patented technology

The utility model discloses a soaking device for wheat straw for wheat straw paintings, belongs to the technical field of wheat straw paintings, and aims to solve the problems that in the prior art, in the absence of a stirring mechanism, soaking liquid can not immerse each part or local part of the wheat straw excessively, the effect is affected, and even if the stirring mechanism exists, the soaking liquid cannot immerse the wheat straw. And in the stirring process of the stirring blades, the wheat straws are possibly stirred to be shredded and scattered, and other undesirable phenomena are avoided. Comprising a soaking barrel, a sealing mechanism is mounted above the soaking barrel, a protective net rack is mounted in the soaking barrel, and uniform soaking mechanisms are jointly mounted inside and outside the soaking barrel. In the soaking process, personnel can start the motor to enable the transmission rod located in the middle of the soaking barrel and the stirring fan blades arranged on the periphery of the transmission rod to rotate, in the state, the rotation of the fan blades enables soaking liquid to flow in the box, the soaking liquid around wheat straw is continuously updated and more fully makes contact with the wheat straw, and therefore the soaking speed is increased.

A cross-linked reinforced flame-retardant decorative panel and its preparation method are disclosed. The cross-linking reinforcement ensures both flame-retardant and adhesive properties. The preparation includes: impregnating wood veneer in a mixture of thiourea and ammonium polyphosphate under pressure; then impregnating it in an aqueous solution of trisodium methylglycine diacetate; then impregnating it successively in an aqueous solution of Fe(NO3)3 and KH560; drying to obtain a flame-retardant wood board; mixing a modified urea-formaldehyde resin adhesive with flour, applying the adhesive to the flame-retardant wood board to form an adhesive layer, covering the adhesive layer with decorative wood veneer, and pressing the board. Modified adhesive preparation: formaldehyde, xanthan gum, and OP-10 are mixed and stirred, the pH is adjusted to 7.7–8.2, the temperature is increased, and stirring continues; the first batch of urea is added, the temperature is increased, and stirring continues until the pH reaches 5.7–5.9, then the mixture is cooled; the remaining urea is added, and stirring continues, after cooling, the pH is adjusted to 7.7–8.2, and stirring is stopped.

The invention relates to the technical field of bamboo board production, in particular to a production process and application of a large-size bamboo board. Treating raw materials; performing drying; finish planing; selecting bamboos; keeping constant temperature; primary plate pressing is conducted, specifically, the bamboo chips of the same type are overlapped and glued, and then the bamboo chips are pressed into plate blanks with the size meeting the requirement through a pressing machine; performing maintenance; soaking: soaking the fabric into an anti-ultraviolet resin liquid at the temperature of 45-60 DEG C, and carrying out ultrasonic vibration treatment for 20-30 minutes at the frequency of 20-40 kHz; four-side planing: after the resin liquid is cured, planing the plate blank to enable the thickness of the plate blank to be 2cm; the surface material, the middle material and the bottom material which are subjected to primary plate pressing are overlapped and glued, and then a finished product plate with the size meeting the requirement is formed through pressing by a pressing machine; the bamboo board prepared through the technology has the advantages of being large in size, good in forming, environmentally friendly, low in cost, resistant to skid, long in service life and high in bearing capacity.

This utility model relates to the technical field of furniture processing, and in particular to a board soaking device for furniture processing. By setting up this device, it can ensure that each board can be evenly contacted with the solution, and can guarantee the concentration of the soaking solution, thereby improving the soaking effect. It includes a soaking tank, a wire mesh frame, multiple sets of wire mesh partitions, multiple sets of adjusting blocks, multiple sets of bolts, a lifting device, a pressing device, and a stirring device. The bottom of the soaking tank is provided with four sets of support legs. The multiple sets of wire mesh partitions are movable within the wire mesh frame. The front end of the wire mesh frame is provided with an elongated hole. The multiple sets of adjusting blocks are respectively installed at the front end of the multiple sets of wire mesh partitions and slide within the elongated hole of the wire mesh frame. The top and bottom of the multiple sets of adjusting blocks are provided with threaded holes. The multiple sets of bolts are threadedly connected to the threaded holes of the multiple sets of adjusting blocks and are engaged with the wire mesh frame. The lifting device is installed at the rear end of the soaking tank and is connected to the wire mesh frame. The stirring device is installed in the lower part of the soaking tank.

The utility model discloses a bamboo material dipping device, which belongs to the technical field of bamboo material processing, and comprises a dipping box body, the upper surface of the dipping box body is provided with an opening I, the side surface of the dipping box body is fixedly provided with a motor, the end part of an output shaft of the motor is fixedly provided with a cam, and the dipping box body is internally provided with a mounting frame; a motor drives a cam to rotate and is used in cooperation with a pushing plate, a sliding column and a first spring, so that a mounting frame can horizontally move front and back, and the mounting frame can horizontally move left and right while horizontally moving front and back through cooperative use of a supporting roller and an inclined sliding way on a supporting plate; the material containing frame can be driven to move back and forth in a reciprocating mode and move left and right in a reciprocating mode, then the bamboo materials in the material containing frame can be vibrated, the bamboo materials are prevented from being stacked together, it is guaranteed that the impregnation uniformity of the bamboo materials is good, and the problem that the internal and external impregnation effects of the bamboo materials stacked together are unbalanced is solved.

Methods and systems for self-flowing treatment of wood, bamboo or other porous materials do not require external pressure or complicated equipment. Treatment liquid flows through these porous materials through use of capillary action, the use of absorbent sheets, and differences in pressure. The treatment solution is more evenly dispersed throughout the materials.

To provide a method for preparing an antimold and deodorant OSB laminated sheet good in antibacterial antimold and deodorant capacity, high in mechanical capacity and excellent in antiaging capacity.SOLUTION: The preparation method of the OSB laminate comprises a step of preparing a molecular sieve carrier, wherein the step of preparing the molecular sieve carrier comprises a step of mixing and cross-linking a primary modified zeolite powder, a secondary modified sub-zeolite powder and a modified beta-cyclodextrin, wherein the cross-linking is carried out by adding an acetic acid to chitosane, stirring uniformly, then adding a primary molecular sieve, stirring, raising the temperature to 66 to 68 °C., adding a glutaraldehyde and carrying out ultrasonic treatment, and after the ultrasonic treatment is completed, carrying out ultrasonic treatment at 66 to 68 °C. for 1.9 to 2. 2h stirring, and after the stirring is completed, cooling and washing followed by vacuum freeze drying, wherein the freezing temperature is - 47 to - 42 °C.; The freezing time is 18 to 23h, and the vacuum degree is 30 to 35Pa to prepare a molecular nest carrier. It has good antibacterial and antifungal and deodorant properties, high mechanical properties and excellent anti-aging properties.SELECTED DRAWING: None

The invention belongs to the technical field of building materials, and discloses a method for preparing a thermal regulation plate for a building from all components by utilizing agricultural and forestry waste particles. The method comprises the following steps: 1) sequentially activating alpha-cellulose powder by using a methanol solution and DMAc (dimethylacetamide) to obtain activated cellulose; uniformly mixing the activated cellulose, DMAc and lithium chloride to obtain a cellulose solution; (2) carrying out sizing treatment on the dried agricultural and forestry waste powder by adopting a cellulose solution to prepare a plate shape, and carrying out cold pressing and hot pressing to obtain a plate base material; 3, the board base material is soaked in the phase change material composed of SCD and DHPD, low-temperature crystallization is conducted, and the heat regulation board is obtained.The method is environmentally friendly and low in cost, and the prepared board is excellent in heat regulation performance and strength and has good recycling performance.

The invention discloses a bamboo-based conversion film capable of replacing plastic and a preparation method of the bamboo-based conversion film, and belongs to the technical field of food packaging. The preparation method comprises the following steps: carrying out pretreatment, crosslinking and delignification treatment on bamboo wood, soaking the bamboo wood in deionized water, carrying out TEMPO oxidation treatment on the obtained delignified bamboo wood, washing the delignified bamboo wood with deionized water, carrying out resin impregnation, soaking the delignified bamboo wood for a certain time, taking out the delignified bamboo wood, and airing the delignified bamboo wood to obtain the bamboo-based conversion film capable of replacing plastic. According to the preparation method, the integrity of bamboo wood is maintained through pretreatment and crosslinking, delignification and TEMPO oxidation enhance transparency (visible light transmittance is 55-62%), PVA-tea polyphenol filling forms a compact structure, so that the film has high tensile strength (greater than or equal to 7.33 MPa), proper elongation at break (40.58-61.32%), oxidation resistance and degradability, and the problems of integrity and transparency during film forming of a bamboo-based material are solved; the prepared film can replace plastic and is suitable for the field of food packaging, and environmental pollution is reduced.

The invention discloses a glue-free gluing enhanced bamboo laminated wood material, a preparation method and application, and belongs to the technical field of bamboo material bonding. The glue-free gluing enhanced bamboo laminated wood material comprises a plurality of layers of modified bamboo materials which are glued in a hot pressing mode. Regenerated lignin containing amino and carboxyl functional groups is deposited on the surface and / or inside the modified bamboo wood; the regenerated lignin is formed by dissolving and modifying enzymatic hydrolysis lignin through a deep-eutectic solvent and then performing water-induced regeneration deposition; the eutectic solvent is prepared from formic acid, L-lysine and 1, 4-butanediol.

The invention discloses a flame-retardant wood fiber board and a preparation method thereof, and relates to the technical field of flame-retardant wood fiber boards. The preparation method of the flame-retardant wood fiber board comprises the following steps that poplar fibers are subjected to delignification treatment, the delignification fibers are soaked in an ammonium polyphosphate / zinc borate composite flame retardant solution to obtain flame-retardant-loaded flame-retardant fibers, the flame-retardant fibers and a chitosan-acetic acid solution are mixed to obtain a flame-retardant fiber mixture, and the flame-retardant fiber mixture is subjected to heat preservation and drying to obtain the flame-retardant wood fiber board. And the delignification fibers and a chitosan-acetic acid solution are mixed to obtain a delignification fiber mixture, and the flame-retardant wood fiberboard is obtained by adopting the gradient structure design of alternately paving flame-retardant fiber layers and delignification fiber layers. The prepared flame-retardant wood fiber board has excellent flame retardance, mechanical property and dimensional stability, and the technical problem that the mechanical property is reduced due to the fact that the adding amount of a flame retardant in a traditional flame-retardant wood fiber board is large is effectively solved.

The invention discloses a method for improving the surface functionality of low-density wood. The method comprises the following steps that (1) the low-density sawn timber is dried till the water content reaches 10%-15%, then wire drawing treatment is conducted on the tangent plane or the tangential plane of the low-density sawn timber, and the low-density sawn timber with the three-dimensional natural texture and machining residues are obtained; 2) grinding and drying the processing residues to obtain wood powder, mixing the wood powder with water, then putting the mixture into a hydrothermal reaction kettle for reaction, then filtering a reacted system, and taking filtrate to obtain a carbon quantum dot solution; 3, the low-density sawn timber with the three-dimensional natural textures is soaked in the carbon quantum dot solution, then drying treatment is conducted, and low-density wood surface functional improvement is achieved.The three-dimensional natural textures are improved through physical treatment, the processing residue pretreatment solution serves as a modifier, and the apparent strength of the wood surface can be improved.

This invention relates to a leak-proof phase change energy storage wood with a chitosan-based protective layer and its preparation method, belonging to the field of wood surface functionalization modification technology. To prepare leak-proof phase change energy storage wood, the invention includes: preparing and modifying delignified wood; preparing a phase change energy storage liquid; immersing the delignified wood in the phase change energy storage liquid, subjecting it to vacuum heating for a certain time, followed by atmospheric pressure heating for a certain time, repeating this process 3-5 times, then removing and drying it to obtain the phase change energy storage wood; preparing a mixed solution of chitosan and acetic acid; treating the phase change energy storage wood in a sodium hydroxide solution for a certain time to obtain a negatively charged phase change energy storage wood surface; then vacuum impregnating it in the mixed solution of chitosan and acetic acid for a certain time, removing and drying it, and then impregnating it in a hexagonal boron nitride nanosheet dispersion for a certain time, removing and drying it to obtain leak-proof phase change energy storage wood with a chitosan-based protective layer. This invention provides a leak-proof effect for the phase change liquid.

The invention discloses an energy-saving wood chip washing device for recycling bleaching filtrate, and relates to the technical field of wood chip treatment. The recovery pipe is fixedly arranged on the right side wall of the pool body, one end of the recovery pipe is connected with a buffer pool, the recovery pipe is provided with a filter, a water quality detector and a three-way valve, the three-way valve is provided with a first blow-off pipe, the first water pump is connected with the buffer pool through a pipeline, and the water outlet end of the first water pump is connected with the washing area through a pipeline; the impurity guide plate is obliquely and fixedly arranged on the left side wall of the pool body, the net cage is suspended in the pool body, through process integration and dynamic treatment, the defects that traditional equipment is large in occupied area and long in flow are effectively overcome, the cleaning effect is good while sanitation dead angles are eliminated and impurity accumulation is avoided, and meanwhile the cleaning effect is good. Seamless connection of washing and bleaching procedures is achieved, production efficiency is improved, clear water consumption and waste water discharge can be greatly reduced, and unification of energy conservation, consumption reduction and clean production is achieved.