The invention discloses a microwave vacuum drying method for round bamboo wood. The method comprises the steps of (1) collecting samples; (2) processing the samples; (3) sorting the samples; (4) carrying out preparation; (5) carrying out vacuumizing, wherein the vacuum degree maintains to be -0.6 to -0.9MPa; (6) carrying out temperature rise, specifically, starting a microwave system and heating the samples in a cavity, wherein the heating speed is 1-5 DEG C/min, and the temperature is increased to 80-90 DEG C; (7) carrying out heat preservation, specifically, maintaining the temperature and the vacuum degree of the microwave cavity to be constant, wherein the duration time is 1-3 hours; (8) carrying out cooling; and (9) carrying out vacuum reduction. According to the method, the boiling point of water can be achieved at a low temperature, and therefore the burnt phenomenon occurs due to excess temperature in the conventional drying process can be avoided; energy can be saved, and meanwhile, cracking and warping can be avoided; and compared with traditional kiln drying and air drying methods, the method has the advantages that change in color basically cannot occur before and after the drying process, moreover, the carbonization phenomenon cannot occur, the drying time can be shortened to several hours, and the size stability of the samples can be relatively high.

Microwave vacuum drying method for round bamboo wood

The invention belongs to the technical field of round bamboo processing, and discloses a round bamboo softening, bending and shaping integrated processing method and system. The processing method comprises the following steps of 1, adopting a conveying mechanism to feed a round bamboo at a certain conveying speed, heating the round bamboo by adopting a heating mechanism in the feeding process, andsoftening the round bamboo; 2, bending the round bamboo processed in the step 1 by adopting a bending mechanism; and 3, cooling and shaping the round bamboo processed in the step 2 by adopting a cooling mechanism. By adopting the process and the system, the high dependence on manpower in the bending process of the round bamboo can be reduced, the size precision, the stability and the processing efficiency of a round bamboo bending component are improved, and the industrial application of the round bamboo bending component is made possible.

Round bamboo softening, bending and shaping integrated processing method and system

The invention discloses a heat pump dehumidification-microwave vacuum drying method for shiitake mushrooms. The heat pump dehumidification-microwave vacuum drying method is characterized by comprisingthe following steps: selecting fresh shiitake mushrooms which has the consistent size and no diseases and insect pests; putting the fresh shiitake mushrooms into a compound inhibitor solution and immersing; taking out the fresh shiitake mushrooms and airing; uniformly paving a single layer of the fresh shiitake mushrooms on a net-shaped tray; adjusting air temperature, an air speed, humidity anda loading amount of heat pump drying equipment; flatly putting the tray at the center of the equipment and carrying out drying treatment; then putting the tray containing the shiitake mushrooms into amicrowave vacuum drying box; adjusting microwave power, the loading amount and the vacuum degree and drying; filling dried shiitake mushrooms obtained by the dry treatment into a packaging bag; vacuumizing, sealing an opening and sealing at high temperature; finally, storing the shiitake mushrooms in a ventilated and dry place.

Heat pump dehumidification-microwave vacuum drying method for shiitake mushrooms

The invention provides a vacuum high-temperature produced environment-friendly bamboo stick process. Bamboo is cut into bamboo boards of the length of 300-600 mm, and 10-20 bamboo boards are bound together; the bound bamboo boards are put into a cage, the cage is put into a processor, the initial temperature in the processor is 40 DEG C, then the inside of the processor is heated to 160-180 DEG C,the constant temperature is kept; and a valve of the processor is opened, the air pressure inside the processor is pumped to negative 0.8 air pressure through a pump, and the state is kept for 1.5-3h. No chemicals are added in the whole production process, chemical residues are avoided completely, more environment-friendly products are produced, after bamboo sticks are subjected to high-temperature carbonization treatment, a large amount of original sugar and water of the bamboo sticks are decomposed, toughness of bamboo fibers is retained maximally, hardness is also improved substantially,the obtained bamboo sticks are prevented from mildewing or worms, the bacterial content is small, and the bamboo sticks are not liable to break.

Vacuum high-temperature produced environment-friendly bamboo stick process

The invention discloses a preparation method of whole-bamboo deep-carbonization long-span bamboo integrated wood and relates to a preparation method of bamboo integrated wood. The method mainly solvesthe problems that existing long-span bamboo integrated wood buckle connecting positions are poor in mechanical performance, and machining is complex. The method comprises the steps that firstly, longbamboo canes are prepared; secondly, the long bamboo canes are dried for the first time; thirdly, the long bamboo canes are carbonized; fourthly, the long bamboo canes are subjected to gum dipping; fifthly, the long bamboo canes are dried for the second time; sixthly, the long bamboo canes are assembled into blanks; and seventhly, the long bamboo cane blanks are subjected to hot pressing. The bamboo integrated wood prepared through the preparation method provided by the invention has the remarkable mold-proof effect and excellent mechanical performance, the density of the wood can reach up to0.93 g/cm , the elasticity modulus can reach up to 12568 MPa, and the static bending intensity can reach up to 132 MPa. The preparation method provided by the invention is used for preparing the bamboo integrated wood.

Preparation method of whole-bamboo deep-carbonization long-span bamboo integrated wood

The invention discloses a heat pump and microwave combined drying system. The heat pump and microwave combined drying system comprises conveying equipment continuously conveying materials to be dried, heat pump drying equipment pre-drying the materials to be dried in the material conveying process and microwave drying equipment carrying out secondary drying on the materials to be dried, wherein the materials to be dried are sequentially subjected to drying and moisture removing of the heat pump drying equipment and the vacuum microwave drying equipment in the continuous conveying process of the conveying equipment. According to the heat pump and microwave combined drying system, the materials to be dried are dried in the process of conveying the materials, the heat pump and microwave combined drying system is especially suitable for rapid drying of heat sensitive materials which are oxidized easily, material drying can be more thorough, the crazing, deforming or mildewing and other problems cannot occur easily in application of round bamboos after being dried, color changing, aging and other problems cannot occur after bamboo shoots are dried, the drying time is shortened, the energy consumption is greatly saved, and the drying efficiency is improved. The industrialization degree of round bamboo and bamboo shoot processing can be improved.

Heat pump and microwave combined drying system

The utility model discloses a micro -wave vacuum equipment, including real empty can, vacuum pump and microwave generator, the vacuum pump with real empty can intercommunication is with right real empty can evacuation, microwave generator with real empty can passes through guided wave pipe intercommunication, it is used for placing the supporter by drying article to set up among the real empty can, the utility model discloses a micro -wave vacuum equipment when dry if article such as circle bamboo, through microwave generator, makes the inside moisture of circle bamboo volatilize fast to carry out the drying to the circle bamboo under low -temperature vacuum's state, make the circle bamboo dry more complete, make bamboo timber difficult scheduling problem that takes place the fracture, warp or milden and rot in drying application later, and drying time shortens, the very big energy consumption of having saved has improved drying efficiency, does benefit to the industrialization degree of the processing that improves the bamboo timber.

Micro -wave vacuum equipment

The invention discloses a round bamboo drying and forming device which is used for drying round bamboos. The round bamboo drying and forming device comprises a drying tank, a carrying rack and a bending die. The drying tank is used for drying round bamboos arranged in the drying tank. The carrying rack is arranged in a drying cavity and is used for carrying the round bamboos. The bending die is arranged on the carrying rack and is used for making the round bamboos keep a preset bent shape. By means of the drying device, the bending die is used for shaping the round bamboos before drying, thenthe shaped round bamboos are dried, after drying is completed, the round bamboos can keep the fixed bent shape, and therefore secondary deformation of the round bamboos is effectively prevented.

Round bamboo drying and forming device

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Microwave vacuum drying method for round bamboo wood

Heat pump and microwave combined drying system

Micro -wave vacuum equipment

Round bamboo drying and forming device