TH43008B - High temperature improvement of wood quality system - Google Patents

Abstract

DC60 (08/08/56) High-temperature method for improving the quality of wood. Which this method includes The process of preparing stacks (10) of wood, fixing those piles, taking the stack through Phase I pretreatment, stack drying in air stream at a temperature of not less than 120 C, stack cooling. And after Lead the stack through the second conditioning phase. And cooling dry stack in air stream, ambient temperature Furnaces for use in the method Improve the quality of the wood with the high temperature of this invention. Includes chambers (30) to accommodate wood stacks, heat paths to produce and supply hot air and steam for drying. And stack conditioning, heat exchanging path (35) to provide And maintain the environment Of constant and continuous temperature in the room, humidity pathways to provide And maintain the moisture content Equilibrium as predetermined within the chamber, air flow paths (33, 34) to provide flow. Of continuous and consistent air in the room And control methods for monitoring and controlling various drying parameters in the room, high temperature methods for wood processing. Which this method includes a process Prepare stacks (10) of wood, fixing them, bringing the stack through adjustment range. First phase condition, stack drying in air stream at a temperature not less than 120 ํC, stack cooling. And after Pass the stack through the second conditioning phase and the dry stack cooling in the ambient temperature air stream. Kiln for use in woodworking methods With the high temperature of this invention Includes chambers (30) to support wood piles, heat paths to produce and supply hot air and steam for drying. And stack conditioning, heat exchanging path (35) to provide And maintain a constant temperature environment And continuous within the room, the way to provide moisture to provide And maintain the equilibrium moisture content as specified Pre-installed inside the room, air flow paths (33, 34) to provide a continuous flow of air. And consistent in the room And control methods for monitoring And control various drying parameters in the room

Claims (1)

1. High temperature method for the practice of wood. The above method includes the steps of (i) stacking (10) of wood (ii) fixing the stack (10) thereof (iii) implementation of the stack (10) through. Phase I (iv) pretreatment stage (10) dry in an air stream at a temperature of not less than 120 ํ (v). Such stack (10) cools. And after Bring that stack through The second conditioning phase and (vi) the cooling of such stack (10) further in the air stream, ambient temperature, 2. The method, as in claim 1, where stack (10) as follows: Include 3. Newly sawed wood. 3. The method as in Clause 1 or 2, where each stack (10) consists of Include timber of a uniform thickness from one end to the other and transverse between each piece in each pile. 4. Method as set forth in one of the preceding claims. Where the procedure (ii) consists of placing the mandatory load (20) on each stack (10) 5. The method, as in claim 4, where the mandatory load (20) is evenly distributed. Not less than 700 kg / square meter On each stack (10) 6. Means as in any of the preceding claims Where the conditioning phase (Iii) consists of a saturated steam environment of not less than 95 ํ. 7. The method as assumed in one of the preceding claims. Where such stack (10) is brought through a (iii) process for a period of between 6 and 12 hours 8. The method as it holds in one of the preceding claims. Where (iv) an average velocity is between 2.5 and 3.5 m / s; 9. The method, as assumed in one of the previous claims Where procedure (iv) is performed at a temperature of not less than 120 ํ and up to 200 ํ 1 0. The method, as held by one of the previous claims Where the stack (10) was dried in step (iv) to a minimum of 120 ํ dry tube temperature and a non-wet tube temperature of at least 70 ํ 1. In any of the preceding claims Where the step (v) consists of reducing the temperature of the aforementioned stack (10) sufficiently so that the wood can obtain The conditioning was effective when applied through the second conditioning phase after 1 2. The method, as in claim 11, where the dry stack (10) was treated. It has cooled down to a wood surface temperature between approximately 80 ํ to approximately 90 ํ before being treated through the second conditioning phase. Where the dry and cold stack (10) was introduced through the second conditioning phase in the (v) phase for approximately 6 to 12 hours 1 4. The method as it holds the claim clause. One of the previous Where the dry and cold stack (10) was introduced through the second pretreatment phase in the (v) phase where the reduction of Approximately 20 ํ wet tube 1 5. Method As in any of the preceding claims. Where such stack (10) has been further cooled in the (vi) procedure for a period of not less than 12 hours 1 6. The method as it holds the right to any of the previous clauses. one Where the wood that is treated with the method The average moisture content is 4% to 6%. 1 7. The method of holding one of the previous claims. Where the wood to be put into practice Type of hardwood 1 8. The method as it holds the right to claim 17, where the wood to be treated is the hardwood. Low to medium density 1 9. Kiln for use in the wood operating method with temperature in claim 1, where the kiln consists of a chamber (30) to support the stack (10) of wood. Methods for heating to produce and supply hot air and steam to the room (30) for drying. And the condition of the stack (10) of such wood Heat exchange path (35) to provide And keep constant temperature environment And sustained within such rooms (30) suitable for drying. And the condition of the stack (10) of such wood Moisture path to provide And maintain the equilibrium moisture content as specified In the front of the chamber (30), the path generates air currents (33, 34) to provide a continuous flow of air. And the control paths that are viable to the heat supply path, heat exchange path, humidification path. And air flow pathways for monitoring and control of the drying parameters in the room (30) 2 0. Kiln, as in claim 19, where the aforementioned chamber (30) consists of a wall. which Made with a block panel that can be insulated enough to heat. The insertion of reinforcement is permitted. 2 1. Furnaces, as in Clause 20, where the insulator block is included. Lightweight fire retardant panel 2 2. Kiln, as entitled in any of Clause 19 to 21. Where the heat supply path The aforementioned includes a boiler. 2. 3. Furnace, as in any of Clause 19 to 22. Where the aforementioned heat exchanger path (35) consists of a flat panel stainless steel finned heat exchanger. 2 4. Furnace, as entitled in any of Clause 19 to 23. Where the aforementioned heat exchanger path (35) consists of extruded aluminum fins on carbon steel 2 5. Furnaces as claimed in any of Clause 19 to 24. Which further includes Ventilation path (31) that acts viable with such humidification path to To obtain the desired air condition in the room (30) as mentioned. 2 6. Furnace, as holds right in Clause 25, where the aforementioned ventilation route includes A set of inlet and outlet pairs (31), located on the top. Or on the side of the room (30) thereof. 2 7. Kiln, as holds the right in Clause 19, tank 24, any one Where the path creates air currents It consists of a motor (34) and a fan (33), with the motor located inside or outside the said room (30) and the fan located in the upper part of the room. Clause 25 where the motor and fan assembly (33, 34) is capable of generating air currents at an average velocity between approximately 2.5 and approximately 3.5 m / s 2 9. Furnace Holds any of the rights 19 to 28 Where such control methods It consists of a set of industrial programmable logic control (PLCs) 3 0. Furnaces, as held by any of Clause 19 to 29. Which further includes Combined conditioning room Optionally For stack support (10) of dry wood As shown below in steps (v) and thereafter, steps (v) and (vi) of the path in claim 1, so that the retention time in the furnace chamber can be shortened to reduce its accumulation. Resentment Inside, built-in, within the wood to a minimum 3 1. Furnace, as held in claim 30, where the conditioning room has technical requirements. Like a furnace room (30)