CN215571946U

CN215571946U - Veneer drying-machine equipment

Info

Publication number: CN215571946U
Application number: CN202121438455.3U
Authority: CN
Inventors: 管厚家
Original assignee: Anhui Guanzhong Wood Industry Co ltd
Current assignee: Anhui Guanzhong Wood Industry Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-01-18
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses veneer drying equipment, and belongs to the technical field of veneer drying. Veneer dryer equipment comprises a drying box, a sealing assembly and a heat recovery device; the drying box is sequentially divided into a preheating chamber, a first drying chamber, a second drying chamber, a third drying chamber and a cooling chamber from left to right through a plurality of sealing assemblies, a conveyor belt is arranged inside the drying box and extends out from the left end and the right end of the drying box, an energy recovery box is arranged at the upper end of the drying box, and a heat recovery device is arranged inside the energy recovery box. The utility model adds a preheating chamber at the feeding end, raw materials firstly pass through the preheating chamber and then enter a drying chamber; a heat energy recovery device is added above the first drying chamber, the second drying chamber, the third drying chamber and the cooling chamber; from cooling chamber, first drying chamber, second drying chamber, third drying chamber, through recovery unit with heat energy circulation step by step, finally flow to the preheating chamber, preheat raw and other materials.

Description

Veneer drying-machine equipment

Technical Field

The utility model relates to the technical field of veneer drying, in particular to veneer drying machine equipment.

Background

The veneer is natural veneer which is a natural product and is formed by slicing raw wood completely, natural textures and texture are kept without any artificial modification, and the veneer is natural and attractive, has reasonable price and good functionality, and is popular with people.

In some wood veneer processing and producing processes, wood veneers need to be heated and dried to remove moisture, and wood veneer drying machine equipment accelerates the speed of transferring moisture in the wood veneers to the surface by increasing the temperature of a heated substance; heating the air to lower its relative moisture content (the higher the air temperature, the higher its saturated moisture content is at the same time); when the air passes through the surface of the dried substance, more water vapor can be taken away; the contact area of the heated substance and the flowing air is increased, the heat contained in the exhaust gas is fully utilized, but the heat energy (water vapor) cannot be recycled in the operation process of the existing dryer equipment, the energy consumption is high, the process that the temperature gradually rises is lacked, and the defective rate is high due to the evaporation of the water vapor through rapid heating.

Therefore, the veneer dryer equipment is designed.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a veneer dryer apparatus which solves the problems mentioned in the background of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

veneer dryer equipment comprises a drying box, a sealing assembly and a heat recovery device; the drying box is sequentially divided into a preheating chamber, a first drying chamber, a second drying chamber, a third drying chamber and a cooling chamber from left to right through a plurality of sealing assemblies, a conveyor belt is arranged inside the drying box and extends out from the left end and the right end of the drying box, an energy recovery box is arranged at the upper end of the drying box, and a heat recovery device is arranged inside the energy recovery box.

Preferably, the sealing assembly comprises a fixed plate and a sliding plate, two limiting sliding chutes are symmetrically formed in the side surface of the fixed plate, the sliding plate is slidably arranged on the side surface of the fixed plate, a convex block on the surface of the sliding plate extends into the limiting sliding chutes and slides with the limiting sliding chutes, an air cylinder is fixed in the middle of the top surface of the sliding plate, and the air cylinder and the top surface of the fixed plate are fixed on the inner wall of the top end of the drying box.

Preferably, the middle part of the bottom end of the sliding plate is provided with a sealing groove, the top of the sealing groove is uniformly fixed with a plurality of springs, a sealing plate extending to the lower part of the sealing groove is arranged in the sealing groove, and the springs are fixedly connected with the sealing plate.

Preferably, the heat recovery device comprises a partition board, the partition board is fixed in the position, right opposite to the sealing assembly, inside the energy recovery box, two fan openings are symmetrically formed in the partition board, fans are installed inside the fan openings, and heat dissipation gratings are installed above the preheating chamber, the first drying chamber, the second drying chamber, the third drying chamber and the cooling chamber.

Preferably, the top of the preheating chamber comprises two heat dissipation grids, the heat dissipation grid on the right side is communicated with the inside of the energy recovery box, and a radiator is connected above the heat dissipation grid on the left side.

Compared with the prior art, the utility model provides veneer drying equipment which has the following beneficial effects:

1. the utility model adds a preheating chamber at the feeding end, raw materials firstly pass through the preheating chamber and then enter a drying chamber; a heat energy recovery device is added above the first drying chamber, the second drying chamber, the third drying chamber and the cooling chamber; from the cooling chamber, the first drying chamber, the second drying chamber and the third drying chamber, the heat energy is circulated step by step through the recovery device and finally flows to the preheating chamber.

2. The raw material entering from the feed inlet firstly enters the preheating chamber, and the raw material can be heated in the preheating chamber to take away a part of water vapor, so that the moisture content of the raw material is reduced to a certain extent. The heat energy is continuously recycled through the preheating chamber, the first drying chamber, the second drying chamber, the third drying chamber, the cooling chamber and the recovery device. In the operation process of the equipment, the utilization of heat energy is maximized.

Drawings

FIG. 1 is a schematic view of the overall front cross-sectional configuration of the present invention;

FIG. 2 is a schematic view of the overall left side top view configuration of the present invention;

FIG. 3 is a schematic view of the bottom end section of the sliding plate and the related components according to the present invention;

FIG. 4 is a schematic view of a split structure of one fan in the cross-sectional area of the front side of the partition board.

Description of the figure numbers: 1. a drying box; 2. a seal assembly; 201. a fixing plate; 202. a sliding plate; 203. a limiting chute; 204. a cylinder; 205. a sealing groove; 206. a spring; 207. a sealing plate; 3. a heat recovery device; 301. a partition plate; 302. a fan port; 303. a fan; 304. a heat dissipation grid; 305. a heat sink; 4. a preheating chamber; 5. a first drying chamber; 6. a second drying chamber; 7. a third drying chamber; 8. a cooling chamber; 9. a conveyor belt; 10. an energy recovery tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-2, a veneer dryer apparatus includes a drying box 1, a sealing assembly 2, and a heat recovery device 3; drying box 1 separates for preheating chamber 4, first drying chamber 5, second drying chamber 6, third drying chamber 7, cooling chamber 8 in proper order through a plurality of seal assembly 2 from a left side to the right side, and drying box 1 is inside to be equipped with conveyer belt 9, and both ends extend away about drying box 1 is followed to conveyer belt 9, and drying box 1 upper end is equipped with energy recuperation case 10, and heat recovery unit 3 sets up inside energy recuperation case 10.

The utility model provides a veneer drying machine, a preheating drying chamber is added at the material end of a drying box 1, raw materials firstly pass through the preheating chamber 4 and then enter a first drying chamber 5, a second drying chamber 6 and a third drying chamber 7 in sequence, the drying box 1 is provided with heaters in the first drying chamber 5, the second drying chamber 6 and the third drying chamber 7 to heat and dry moisture of the raw materials, the raw materials are cooled in a cooling chamber 8 and then recovered by a discharge port, the first drying chamber 5, the second drying chamber 6 and the third drying chamber 7 are arranged in the drying box 1 to heat the raw materials step by step to increase the drying effect and reduce the defective rate, in addition, a heat recovery device 3 is arranged above the drying box 1 to recycle and convey the interior of the first drying chamber 5, the second drying chamber 6 and the third drying chamber 7 step by step to the interior of the preheating chamber 4 so that the raw materials are preheated in the preheating chamber 4, the heat energy in the drying chamber can be reduced, and the energy consumption is reduced.

Example 2:

referring to fig. 2-3, the embodiment 1 is different from the above embodiments; the sealing assembly 2 comprises a fixed plate 201 and a sliding plate 202, two limiting sliding grooves 203 are symmetrically formed in the side surface of the fixed plate 201, the sliding plate 202 is arranged on the side surface of the fixed plate 201 in a sliding mode, a convex block on the surface of the sliding plate extends into the limiting sliding grooves 203 and slides with the limiting sliding grooves, an air cylinder 204 is fixed in the middle of the top surface of the sliding plate 202, and the air cylinder 204 and the top surface of the fixed plate 201 are fixed on the inner wall of the top end of the drying box 1.

The middle part of the bottom end of the sliding plate 202 is provided with a sealing groove 205, a plurality of springs 206 are uniformly fixed at the top of the sealing groove 205, a sealing plate 207 extending to the lower part of the sealing groove 205 is arranged in the sealing groove 205, and the springs 206 are fixedly connected with the sealing plate 207.

The utility model utilizes a sealing component 2 to separate a drying box 1 to form a preheating chamber 4, a first drying chamber 5, a second drying chamber 6, a third drying chamber 7 and a cooling chamber 8, wherein the sealing component 2 comprises a fixed plate 201 and a sliding plate 202, the fixed plate 201 is arranged on the top surface of the drying box 1, the sliding plate 202 is arranged on the side surface of the fixed plate 201 and is controlled by a fixed air cylinder 204 to slide up and down, a conveying belt 9 for conveying raw materials is arranged in the drying box 1, a supporting frame higher than the surface of the conveying belt 9 is arranged on the side edge of the conveying belt 9, the sliding plate 202 is propped against the supporting frame after descending, a sealing groove 205 is arranged at the position of the top surface of the sliding plate 202, which is opposite to the conveying belt 9, a sealing plate 207 capable of sliding up and down is fixed by a spring 206, when the sealing plate 207 is propped against the supporting frame, the sealing plate 207 can be propped against the conveying belt 9 to realize complete sealing, and the separated first drying chamber 5, the second drying chamber 6 and the cooling chamber 8 are formed by separating the drying chamber, The second drying chamber 6 and the third drying chamber 7 realize layer-by-layer heating, reduce the speed of water evaporation, reduce the deformation of raw materials, and in addition, the heat recovery device 3 is utilized to recover heat and convey the heat to the preheating chamber 4 to preheat the raw materials.

Example 3:

referring to fig. 2 and 4, the embodiment 1-2 is different; the heat recovery device 3 comprises a partition board 301, the partition board 301 is fixed in the position of the energy recovery box 10, which is just opposite to the sealing component 2, two fan ports 302 are symmetrically arranged on the partition board 301, a fan 303 is arranged inside the fan ports 302, and a heat dissipation grid 304 is arranged above the preheating chamber 4, the first drying chamber 5, the second drying chamber 6, the third drying chamber 7 and the cooling chamber 8.

The top of the preheating chamber 4 includes two heat dissipation grills 304, the heat dissipation grill 304 on the right side communicates with the inside of the energy recovery box 10, and a radiator 305 is connected above the heat dissipation grill 304 on the left side.

According to the utility model, the energy recovery box 10 is divided into a plurality of areas as the drying box 1, the energy recovery box 10 is divided by using the partition plate 301, the fan 303 is arranged on the fan opening 302 reserved on the partition plate 301, the mutually communicated heat dissipation grids 304 are arranged between the recovery box 10 and the drying box 1, and after the fan 303 is started, the heat in the drying chamber on the right side can be absorbed and conveyed to the preheating chamber 4.

According to the utility model, heat energy is circulated step by step from the cooling chamber 8, the first drying chamber 5, the second drying chamber 6 and the third drying chamber 7 through the recovery device and finally flows to the preheating chamber 4, and the utilization of the heat energy is maximized in the operation process of the equipment; the raw material entering from the feeding port firstly enters the preheating chamber 4, the raw material can be heated in the preheating chamber 4, a part of water vapor is taken away, the moisture content of the raw material is reduced to a certain extent, the heat energy in the drying chamber is reduced after the raw material is preheated, the energy consumption is reduced, the raw material has the process that the temperature gradually rises, and the defective rate caused by rapid temperature rise is reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a veneer drying-machine equipment which characterized in that: comprises a drying box (1), a sealing component (2) and a heat recovery device (3); drying box (1) is separated for preheating chamber (4), first drying chamber (5), second drying chamber (6), third drying chamber (7), cooling chamber (8) in proper order through a plurality of seal assembly (2) from a left side to the right side, drying box (1) inside is equipped with conveyer belt (9), both ends extend away about drying box (1) is followed in conveyer belt (9), drying box (1) upper end is equipped with energy recuperation case (10), heat recovery unit (3) set up inside energy recuperation case (10).

2. Veneer dryer apparatus according to claim 1, characterized in that: the sealing assembly (2) comprises a fixed plate (201) and a sliding plate (202), two limiting sliding grooves (203) are symmetrically formed in the side face of the fixed plate (201), the sliding plate (202) is arranged on the side face of the fixed plate (201) in a sliding mode, a surface bump of the sliding plate extends into the limiting sliding groove (203) and slides with the limiting sliding groove, an air cylinder (204) is fixed in the middle of the top face of the sliding plate (202), and the air cylinder (204) and the top face of the fixed plate (201) are fixed on the inner wall of the top end of the drying box (1).

3. Veneer dryer apparatus according to claim 2, characterized in that: the middle of the bottom end of the sliding plate (202) is provided with a sealing groove (205), the top of the sealing groove (205) is uniformly fixed with a plurality of springs (206), a sealing plate (207) extending to the lower side of the sealing groove (205) is arranged in the sealing groove (205), and the springs (206) are fixedly connected with the sealing plate (207).

4. Veneer dryer apparatus according to claim 1, characterized in that: the heat recovery device (3) comprises a partition plate (301), the partition plate (301) is fixed at the position of the energy recovery box (10) which is just opposite to the sealing component (2), two fan ports (302) are symmetrically formed in the partition plate (301), a fan (303) is arranged inside the fan port (302), and a heat dissipation grid (304) is arranged above the preheating chamber (4), the first drying chamber (5), the second drying chamber (6), the third drying chamber (7) and the cooling chamber (8).

5. Veneer dryer apparatus according to claim 4, characterized in that: the top of the preheating chamber (4) comprises two radiating grids (304), the radiating grid (304) on the right side is communicated with the inside of the energy recovery box (10), and a radiator (305) is connected above the radiating grid (304) on the left side.