Gypsum board energy-saving drying system

Abstract

The gypsum board energy-saving drying system comprises a chain conveyor and a drying box body, an anti-deformation clamp is placed on the chain conveyor, conveying supports are arranged on the two sides of the chain conveyor, transmission chains are installed on the conveying supports, conveying seats are arranged on the two sides of the anti-deformation clamp, and the anti-deformation clamp is arranged on the conveying seats. The conveying base is placed on the transmission chain, the anti-deformation clamp comprises two fixing frames, the two fixing frames are located on the upper side and the lower side of the gypsum board respectively, a connecting frame is fixed to the fixing frame at the bottom and located on the outer side of the gypsum board, and the connecting frame and the fixing frame at the top are detachably installed. The surface of the fixing frame abuts against the peripheral edge of the gypsum board. The periphery of a gypsum board is clamped through the fixing frame, and the deformation problems of bending, warping and the like caused by uneven water loss when the gypsum board is dried are prevented; the driving mechanism can drive the pressing roller to move, stress concentration is dispersed, and local indentation or cracking caused by clamping the same position for a long time is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of gypsum board production, in particular to the technical field of gypsum board drying. Background Art

[0002] During the drying process of the gypsum board, the upper and lower surfaces and the areas near the sides dry faster, while the center dries relatively slowly. If the surface moisture evaporates much faster than the interior, it will cause the surface to shrink and the interior to expand, resulting in stress cracking. Summary of the Invention

[0003] The purpose of the present invention is to solve the problems in the prior art and to provide an energy-saving gypsum board drying system that can solve the above problems.

[0004] To achieve the above-mentioned purpose, the present invention proposes an energy-saving drying system for gypsum boards, comprising a chain conveyor and a drying box. The gypsum boards are fed into the drying box through the chain conveyor. The drying box is sequentially provided with a preheating section, a medium temperature section, a high temperature section and a cooling section. An anti-deformation clamp is placed on the chain conveyor. Conveying brackets are provided on both sides of the chain conveyor. A transmission chain is installed on the conveying bracket. Conveying seats are provided on both sides of the anti-deformation clamp. The conveying seat is placed on the transmission chain. The anti-deformation clamp comprises two fixed frames, which are respectively located on the upper and lower sides of the gypsum board. A connecting frame is fixed on the bottom fixed frame. The connecting frame is located on the outside of the gypsum board. The connecting frame and the top fixed frame are detachable and installed, and the surface of the fixed frame abuts against the four edges of the gypsum board.

[0005] Preferably, a through groove is provided in the center of the fixed frame, and a plurality of pressure rollers are provided in the through groove. The pressure rollers are rotatably mounted on a mounting frame, and the mounting frame is connected to the fixed frame. The surface of the pressure rollers abuts against the surface of the gypsum board, and the surface of the pressure rollers is provided with an elastic buffer layer.

[0006] Preferably, a sliding bar is provided on the mounting frame, a mounting seat is provided on the outer surface of the fixing frame away from the gypsum board, a sliding groove is provided on the mounting seat, the sliding bar is slidably installed in the sliding groove, and the sliding bar is driven to slide by a driving mechanism.

[0007] Preferably, the driving mechanism is an electric push rod.

[0008] Preferably, a wetting bracket is provided on the side of the pressure roller away from the gypsum board, the wetting bracket is connected to the mounting seat, the wetting bracket is provided with an arc groove matching the pressure roller, a wetting sponge is provided in the arc groove, the outer surface of the pressure roller contacts the wetting sponge, the edge of the wetting bracket is interference fit with the elastic buffer layer on the surface of the pressure roller, the wetting sponge is connected to a water injection channel, the water injection channel is connected to a water tank, an installation cavity is provided in the conveying seat, and the water tank is installed in the installation cavity.

[0009] Preferably, a water supply pipe is provided between the connecting frame and the gypsum board, and the water supply pipe is arranged along the outer periphery of the gypsum board. A plurality of nozzles are provided on the side of the water supply pipe facing the gypsum board, and nozzles are provided at the four corners of the gypsum board. The water supply pipe is connected to a water tank.

[0010] Preferably, a mounting block is provided on the connecting frame, a threaded hole is provided on the mounting block, a mounting hole is provided on the top fixing frame, a mounting bolt is provided in the mounting hole, and the mounting bolt is threadedly mounted with the threaded hole.

[0011] Preferably, the hot and humid exhaust gas generated in the medium temperature section, high temperature section and cooling section is introduced into the plate heat exchanger through pipes to exchange heat with the fresh cold air entering the preheating section; the cold air absorbs the heat in the exhaust gas and heats up to 30-40°C, and is directly used as the heat source in the preheating section; the cooled exhaust gas is discharged after simple treatment.

[0012] The beneficial effects of the present invention are as follows: the present invention clamps the four sides of the gypsum board through a fixed frame to prevent the gypsum board from bending, warping and other deformation problems caused by uneven water loss during drying; the driving mechanism can drive the pressure roller to move, disperse stress concentration, and avoid local indentations or cracks caused by long-term clamping at the same position; the wetting bracket can moisten the pressure roller, and the moistened pressure roller applies water to the surface of the gypsum board, and the water supply pipe sprays water to moisten the four sides of the gypsum board to avoid cracking caused by water loss on the upper and lower surfaces and the four sides of the gypsum board.

[0013] The features and advantages of the present invention will be described in detail through embodiments with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 This is a schematic diagram of the installation of the anti-deformation fixture of the present invention; Figure 3 This is a schematic diagram of the installation of the connection frame of the present invention; Figure 4 is a schematic diagram of the mounting frame of the present invention; Figure 5 Schematic diagram of the distribution of the pressure rollers of the present invention; Figure 6 It is a schematic diagram of the water pipeline of the present invention; Figure 7 Schematic diagram of the wetted stent of the present invention.

[0015] In the figure: 1. Chain conveyor; 2. Drying box; 3. Anti-deformation clamp; 4. Gypsum board; 5. Pressing roller; 6. Driving mechanism; 7. Wetting bracket; 8. Water tank; 9. Water supply pipe; 11. Conveying bracket; 12. Transmission chain; 31. Conveying seat; 32. Fixing frame; 33. Connecting frame; 34. Through groove; 35. Mounting seat; 36. Mounting block; 37. Mounting hole; 38. Mounting bolt; 51. Mounting frame; 52. Sliding bar; 71. Wetting sponge; 72. Water injection channel; 91. Nozzle. DETAILED DESCRIPTION

[0016] See Figures 1 to 7 , a gypsum board energy-saving drying system includes a chain conveyor 1 and a drying box 2. The gypsum board 4 is fed into the drying box 2 through the chain conveyor 1. The drying box 2 is sequentially provided with a preheating section, a medium temperature section, a high temperature section and a cooling section. The chain conveyor 1 is provided with an anti-deformation clamp 3. Conveying brackets 11 are provided on both sides of the chain conveyor 1. A transmission chain 12 is installed on the conveying bracket 11. Conveying seats 31 are provided on both sides of the anti-deformation clamp 3. The conveying seat 31 is placed on the transmission chain 12. The anti-deformation clamp 3 includes two fixed frames 32, which are respectively located on the upper and lower sides of the gypsum board 4. A connecting frame 33 is fixed on the bottom fixing frame 32. The connecting frame 33 is located on the outside of the gypsum board 4. The connecting frame 33 and the top fixing frame 32 are detachable and installed. The surface of the fixed frame 32 abuts against the edges of the gypsum board 4.

[0017] A through slot 34 is provided at the center of the fixed frame 32, and a plurality of pressure rollers 5 are provided in the through slot 34. The pressure rollers 5 are rotatably mounted on a mounting frame 51, and the mounting frame 51 is connected to the fixed frame 32. The surface of the pressure rollers 5 abuts against the surface of the gypsum board 4, and the surface of the pressure rollers 5 is provided with an elastic buffer layer.

[0018] The surface of the fixing frame in contact with the gypsum board 4 is provided with an elastic protective layer for adapting to the deformation caused by drying and relieving stress.

[0019] The mounting frame 51 is provided with a sliding bar 52 , and the outer surface of the fixed frame 32 away from the gypsum board 4 is provided with a mounting seat 35 , and the mounting seat 35 is provided with a sliding groove, and the sliding bar 52 is slidably installed in the sliding groove, and the sliding bar 52 is driven to slide by the driving mechanism 6 .

[0020] The driving mechanism 6 is an electric push rod, and the anti-deformation fixture is provided with an independent mobile power supply for supplying power to the electric push rod.

[0021] During the drying process, the electric push rod drives the upper and lower pressure rollers to move in small amplitudes, making the drying more uniform, reducing the occurrence of indentations, and offsetting the shrinkage in different areas through the transfer of constraint points.

[0022] A wetting bracket 7 is provided on the side of the pressing roller 5 away from the gypsum board 4, and the wetting bracket 7 is connected to the mounting seat 35. The wetting bracket 7 is provided with an arc groove matching the pressing roller 5, and a wetting sponge 71 is provided in the arc groove. The outer surface of the pressing roller 5 contacts the wetting sponge 71, and the edge of the wetting bracket 7 is interference fit with the elastic buffer layer on the surface of the pressing roller 5. The wetting sponge 71 is connected to a water injection channel 72, and the water injection channel 72 is connected to a water tank 8. A mounting cavity is provided in the conveying seat 31, and the water tank 8 is installed in the mounting cavity.

[0023] When the electric push rod drives the pressing roller to rotate greatly, the pressing roller rotates the wet surface in contact with the moistening sponge to the surface in contact with the gypsum board, thereby moistening the surface of the gypsum board.

[0024] Infrared thermometers are installed on the upper and lower sides of the anti-deformation clamp 3. The upper and lower surfaces of the gypsum board are monitored by the infrared thermometers and moistened when the temperature is too high.

[0025] A water supply pipe 9 is provided between the connecting frame 33 and the gypsum board 4. The water supply pipe 9 is arranged along the outer periphery of the gypsum board 4. Several nozzles 91 are provided on the side of the water supply pipe 9 facing the gypsum board 4. Nozzles 91 are provided at the four corners of the gypsum board 4. The water supply pipe 9 is connected to a water tank 8.

[0026] Temperature sensors and humidity sensors are installed on the edges of the gypsum board. When the temperature is too high or the humidity is too low, the nozzle will spray water around the gypsum board to prevent it from drying out and cracking.

[0027] The connection frame 33 is provided with a mounting block 36 with a threaded hole. The top fixing frame 32 is provided with a mounting hole 37 with a mounting bolt 38 in the mounting hole 37. The mounting bolt 38 is threadedly mounted with the threaded hole.

[0028] The hot and humid exhaust gas generated in the medium temperature section, high temperature section and cooling section is introduced into the plate heat exchanger through pipes to exchange heat with the fresh cold air entering the preheating section; the cold air absorbs the heat in the exhaust gas and heats up to 30-40℃, which is directly used as the heat source in the preheating section; the cooled exhaust gas is discharged after simple treatment.

[0029] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. A gypsum board energy-saving drying system, characterized by: The invention comprises a chain conveyor (1) and a drying box (2), wherein gypsum boards (4) are fed into the drying box (2) through the chain conveyor (1), wherein the drying box (2) is provided with a preheating section, a medium temperature section, a high temperature section and a cooling section in sequence, wherein an anti-deformation clamp (3) is placed on the chain conveyor (1), and conveying brackets (11) are provided on both sides of the chain conveyor (1), and a transmission chain (12) is installed on the conveying bracket (11), and conveying seats (31) are provided on both sides of the anti-deformation clamp (3). ), the conveying seat (31) is placed on the transmission chain (12), the anti-deformation clamp (3) includes two fixed frames (32), the two fixed frames (32) are respectively located on the upper and lower sides of the gypsum board (4), a connecting frame (33) is fixed on the bottom fixed frame (32), the connecting frame (33) is located on the outside of the gypsum board (4), the connecting frame (33) and the top fixed frame (32) are detachably mounted, and the surface of the fixed frame (32) is in contact with the four edges of the gypsum board (4).

2. The gypsum board energy-saving drying system according to claim 1, characterized in that: A through slot (34) is provided at the center of the fixed frame (32), and a plurality of pressure rollers (5) are provided in the through slot (34). The pressure rollers (5) are rotatably mounted on a mounting frame (51), and the mounting frame (51) is connected to the fixed frame (32). The surface of the pressure rollers (5) abuts against the surface of the gypsum board (4), and the surface of the pressure rollers (5) is provided with an elastic buffer layer.

3. The gypsum board energy-saving drying system according to claim 2, characterized in that: The mounting frame (51) is provided with a sliding bar (52), and the outer surface of the fixed frame (32) away from the gypsum board (4) is provided with a mounting seat (35), and the mounting seat (35) is provided with a sliding groove, and the sliding bar (52) is slidably mounted in the sliding groove, and the sliding bar (52) is driven to slide by the driving mechanism (6).

4. The gypsum board energy-saving drying system according to claim 3, characterized in that: The driving mechanism (6) is an electric push rod.

5. The gypsum board energy-saving drying system according to claim 2, characterized in that: A wetting bracket (7) is provided on the side of the pressing roller (5) away from the gypsum board (4), the wetting bracket (7) is connected to the mounting seat (35), an arc groove matching the pressing roller (5) is provided on the wetting bracket (7), a wetting sponge (71) is provided in the arc groove, the outer surface of the pressing roller (5) contacts the wetting sponge (71), the edge of the wetting bracket (7) is interference-fitted with the elastic buffer layer on the surface of the pressing roller (5), the wetting sponge (71) is connected to a water injection channel (72), the water injection channel (72) is connected to a water tank (8), a mounting cavity is provided in the conveying seat (31), and the water tank (8) is mounted in the mounting cavity.

6. The gypsum board energy-saving drying system according to claim 1, characterized in that: A water supply pipe (9) is provided between the connection frame (33) and the gypsum board (4), and the water supply pipe (9) is provided along the outer periphery of the gypsum board (4). A plurality of nozzles (91) are provided on the side of the water supply pipe (9) facing the gypsum board (4), and nozzles (91) are provided at the four corners of the gypsum board (4). The water supply pipe (9) is connected to a water tank (8).

7. The gypsum board energy-saving drying system according to claim 1, characterized in that: The connection frame (33) is provided with a mounting block (36), the mounting block (36) is provided with a threaded hole, the top fixed frame (32) is provided with a mounting hole (37), the mounting hole (37) is provided with a mounting bolt (38), and the mounting bolt (38) is threadedly mounted with the threaded hole.

8. The gypsum board energy-saving drying system according to claim 1, characterized in that: The hot and humid exhaust gas generated in the medium temperature section, high temperature section and cooling section is introduced into the plate heat exchanger through pipes to exchange heat with the fresh cold air entering the preheating section; the cold air absorbs the heat in the exhaust gas and heats up to 30-40℃, which is directly used as the heat source in the preheating section; the cooled exhaust gas is discharged after simple treatment.

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