Foaming furnace for treating biodegradable materials

Abstract

The utility model discloses a foaming furnace for processing biodegradable materials, which relates to the technical field of foaming furnaces and comprises a horizontal furnace and a vertical furnace, one end of the horizontal furnace is communicated with the top of the vertical furnace, a conveying component is arranged in the horizontal furnace, a foaming chamber, a cooling chamber, a flattening chamber and a cooling chamber are sequentially arranged in the vertical furnace from top to bottom, and the horizontal furnace is communicated with the horizontal furnace. First partition plates are arranged among the foaming chamber, the cooling chamber, the flattening chamber and the cooling chamber, a tensioning assembly is arranged in the foaming chamber, a cooling assembly is arranged in the cooling chamber, and a cooling assembly is arranged in the cooling chamber. The tensioning assembly is arranged in the foaming chamber, the problem that foaming materials are prone to curling and deformation in the machining process is solved, the quality of finished products is improved, the net belt is burnt through the flame generator, the open groove and the collecting box, the foaming materials adhering to the net belt are removed, and the foaming efficiency is improved. Meanwhile, residues generated after combustion are collected through the collecting box.

Description

Technical Field

[0001] This utility model relates to the field of foaming furnace technology, specifically a foaming furnace for processing biodegradable materials. Background Technology

[0002] Biodegradable polymers are polymers that can degrade in natural aerobic or anaerobic environments. By replacing traditional plastics, they can effectively solve the environmental problems caused by traditional plastics. Biodegradable polymers are completely digested by microorganisms in the environment, who obtain energy from them. The elements in the material are transformed into humic substances through biochemical reactions within the microbial cells, and are harmless to the environment.

[0003] Foaming furnaces are commonly used equipment for preparing polymer foamed materials. There are two main types of commonly used foaming furnaces: one uses a horizontal furnace for both preheating and foaming sections, and the other uses a horizontal furnace for preheating and a vertical furnace for foaming. In the first type, the foaming masterbatch is preheated and foamed in the horizontal furnace. Hot air is used in the foaming section to move the masterbatch away from the conveyor belt, resulting in high-quality foamed sheets. In the second type, the horizontal furnace is mainly used for preheating the masterbatch. Heating within different temperature ranges ensures the masterbatch reaches a suitable temperature when entering the vertical furnace, thus improving foaming quality. In the vertical furnace, the furnace chamber is directly connected from bottom to top, and the internal temperature is distributed according to a certain temperature gradient. The temperature in each section of the furnace cannot be precisely controlled, and temperature control or cooling of the material is not possible.

[0004] When using existing foaming furnaces, problems such as curling and deformation of the foaming material are prone to occur during the foaming process, which affects the quality of the foaming material. Furthermore, biodegradable materials have significant differences in properties from general polyolefin materials. When the furnace temperature is high, the surface viscosity of biodegradable materials is higher, causing them to easily adhere to the mesh belt and making them difficult to clean.

[0005] Based on this, a foaming furnace for processing biodegradable materials is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content

[0006] The purpose of this invention is to provide a foaming furnace for processing biodegradable materials, thereby solving the problems in the prior art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A foaming furnace for processing biodegradable materials includes a horizontal furnace and a vertical furnace. One end of the horizontal furnace is connected to the top of the vertical furnace. The horizontal furnace is equipped with a conveying assembly. The vertical furnace is equipped with a foaming chamber, a cooling chamber, a flattening chamber, and a cooling chamber arranged sequentially from top to bottom. A first partition is provided between each of the foaming chamber, cooling chamber, flattening chamber, and cooling chamber. A tensioning assembly is provided in the foaming chamber, a cooling assembly is provided in the cooling chamber, and a cooling assembly is provided in the cooling chamber.

[0009] Based on the above technical solutions, this utility model also provides the following optional technical solutions:

[0010] In one alternative: the horizontal furnace has a feed inlet at the end away from the vertical furnace, the vertical furnace has a discharge outlet at the lower end, the horizontal furnace has an exhaust outlet at the end near the vertical furnace, and a filter assembly is provided at the exhaust outlet.

[0011] In one alternative: the horizontal furnace has a slot at its lower end, a collection box at the lower end of the slot, the collection box being bolted to the horizontal furnace, a first heating pipe on the inner side of the top plate of the horizontal furnace, a flame generator in the middle of the conveying assembly, a nozzle at the lower end of the flame generator, and the flame generator being positioned directly above the slot.

[0012] In one alternative: a second heating tube is provided on both sides of the foaming chamber, a third heating tube is provided on both sides of the flattening chamber, and a flattening roller is provided in the middle of the flattening chamber, the flattening roller being rotatably connected to the vertical furnace.

[0013] In one alternative: the filter assembly includes an exhaust pipe located at the upper end of the exhaust port, a filter plate is provided inside the exhaust pipe, a first fan is provided at the upper end of the filter plate, and a dustproof plate is provided at the upper end of the first fan.

[0014] In one alternative embodiment: the conveying assembly includes two horizontally arranged drive rollers, both ends of which are rotatably connected to the horizontal furnace. An annular mesh belt is fitted onto the two drive rollers, and a support roller is provided inside the annular mesh belt. Both ends of the support roller are also rotatably connected to the horizontal furnace.

[0015] In one alternative: the tensioning assembly includes two sets of pressure roller shafts, which are respectively disposed at the top and bottom of the foaming chamber.

[0016] In one alternative: the pressure roller shaft includes a movable arm, one end of which is rotatably connected to the vertical furnace sidewall, and the other end of which is provided with a roller, which is rotatably connected to the movable arm. A spring is provided between the movable arm and the top and bottom ends of the foaming chamber.

[0017] In one alternative: the cooling component includes a first mounting frame installed on the side wall of the cooling chamber, a second fan is provided in the first mounting frame, a first sealing plate is provided on one side of the second fan and a second sealing plate is provided on the other side, and a first ventilation slot is provided on both the first sealing plate and the second sealing plate.

[0018] In one alternative embodiment: the cooling assembly includes a second mounting frame installed on the side wall of the cooling chamber, a third sealing plate on one side of the second mounting frame, a heat dissipation groove on the third sealing plate, a cooling plate on one side of the third sealing plate, a second partition on one side of the cooling plate, a third fan on one side of the second partition, a fourth sealing plate on one side of the third fan, a second ventilation groove on both the second partition and the fourth sealing plate, and an air inlet groove on the second mounting frame.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0020] 1. This utility model solves the problem of easy curling and deformation of foamed materials during processing by setting a tensioning component in the foaming chamber, thereby improving the quality of the finished product.

[0021] 2. This utility model uses a flame generator, a slot, and a collection box. The flame generator burns the mesh belt to remove the foam material adhering to the mesh belt, and the collection box collects the residue produced after combustion. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model.

[0023] Figure 2 This is a schematic diagram of the internal structure of this utility model.

[0024] Figure 3 This is a schematic diagram of the flame generator in this utility model.

[0025] Figure 4 This is a schematic diagram of the filter assembly in this utility model.

[0026] Figure 5 This is a schematic diagram of the tensioning component in this utility model.

[0027] Figure 6 This is a schematic diagram of the cooling component in this utility model.

[0028] Figure 7 This is a schematic diagram of the cooling component in this utility model.

[0029] Figure reference numerals: 100, Horizontal furnace; 101, Feed inlet; 102, Exhaust outlet; 103, Slotted section; 104, Collection box; 105, First heating element; 106, Flame generator; 107, Nozzle; 200, Vertical furnace; 201, Discharge outlet; 202, First baffle; 203, Foaming chamber; 204, Cooling chamber; 205, Flattening chamber; 206, Cooling chamber; 207, Second heating element; 208, Third heating element; 209, Flattening roller; 300, Filter assembly; 301, Exhaust pipe; 302, Filter plate; 303, First fan; 304, Dustproof plate; 400, Conveyor... Feeding components; 401, drive roller; 402, annular mesh belt; 403, support roller; 500, tensioning assembly; 501, movable arm; 502, roller; 503, spring; 600, cooling assembly; 601, first mounting frame; 602, second fan; 603, first sealing plate; 604, second sealing plate; 605, first ventilation slot; 700, cooling assembly; 701, second mounting frame; 702, third sealing plate; 703, heat dissipation slot; 704, cooling plate; 705, second partition; 706, third fan; 707, fourth sealing plate; 708, second ventilation slot; 709, air inlet slot. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0031] In one embodiment, such as Figure 1 and Figure 2 As shown, a foaming furnace for processing biodegradable materials includes a horizontal furnace 100 and a vertical furnace 200. One end of the horizontal furnace 100 is connected to the top of the vertical furnace 200. A conveying assembly 400 is provided inside the horizontal furnace 100. From top to bottom, the vertical furnace 200 is provided with a foaming chamber 203, a cooling chamber 204, a flattening chamber 205, and a cooling chamber 206. A first partition 202 is provided between each of the foaming chamber 203, the cooling chamber 204, the flattening chamber 205, and the cooling chamber 206. A tensioning assembly 500 is provided inside the foaming chamber 203, a cooling assembly 600 is provided inside the cooling chamber 204, and a cooling assembly 700 is provided inside the cooling chamber 206. In use, the foamed sheet is added to the horizontal furnace 100 and conveyed to the vertical furnace 200 by the conveying assembly 400. Then, it passes through the foaming chamber 203, the cooling chamber 204, the flattening chamber 205, and the cooling chamber 206 in sequence and is discharged from the bottom of the vertical furnace 200.

[0032] In one embodiment, such as Figure 1 and Figure 2As shown, the horizontal furnace 100 has a feed inlet 101 at the end away from the vertical furnace 200, and the vertical furnace 200 has a discharge outlet 201 at the lower end. The horizontal furnace 100 has an exhaust outlet 102 at the end near the vertical furnace 200, and a filter assembly 300 is provided at the exhaust outlet 102. In use, the foamed sheet is added to the horizontal furnace 100 through the feed inlet 101, and then conveyed to the vertical furnace 200 through the conveying assembly 400. After passing through the foaming chamber 203, the cooling chamber 204, the flattening chamber 205 and the cooling chamber 206 in sequence, it is discharged from the discharge outlet 201.

[0033] In one embodiment, such as Figure 2 and Figure 3 As shown, the horizontal furnace 100 has a slot 103 at its lower end, and a collection box 104 at the lower end of the slot 103. The collection box 104 is connected to the horizontal furnace 100 by bolts. The inner side of the top plate of the horizontal furnace 100 has a first heating pipe 105. The middle of the conveying assembly 400 has a flame generator 106. The lower end of the flame generator 106 has a nozzle 107. The flame generator 106 is located directly above the slot 103. In use, when the foamed sheet moves along the conveying assembly 400, the foamed sheet is preheated by the first heating pipe 105. The flame generator 106 is used to clean the foamed material adhering to the conveying assembly 400.

[0034] In one embodiment, such as Figure 2 As shown, the foaming chamber 203 is provided with second heating pipes 207 on both sides, the flattening chamber 205 is provided with third heating pipes 208 on both sides, and the flattening chamber 205 is provided with a flattening roller 209 in the middle. The flattening roller 209 is rotatably connected to the vertical furnace 200. In use, the foamed sheet is heated by the second heating pipes 207 to make the foamed sheet foam, and the foamed sheet is flattened by the flattening roller 209.

[0035] In one embodiment, such as Figure 4 As shown, the filter assembly 300 includes an exhaust pipe 301 located at the upper end of the exhaust port 102. A filter plate 302 is provided inside the exhaust pipe 301. A first fan 303 is provided at the upper end of the filter plate 302. A dustproof plate 304 is provided at the upper end of the first fan 303. In use, the exhaust gas generated by the heating of the foamed sheet is drawn out from the exhaust port 102 by the first fan 303 and filtered through the filter plate 302 before being discharged from the exhaust pipe 301.

[0036] In one embodiment, such as Figure 2As shown, the conveying assembly 400 includes two horizontally arranged drive rollers 401. Both ends of the drive rollers 401 are rotatably connected to the horizontal furnace 100. An annular mesh belt 402 is sleeved on the two drive rollers 401. A support roller 403 is provided inside the annular mesh belt 402. Both ends of the support roller 403 are also rotatably connected to the horizontal furnace 100. In use, the drive rollers 401 drive the annular mesh belt 402 to rotate around the drive rollers 401, thereby driving the foamed sheet to move laterally. The support rollers 403 improve the support force on the foamed sheet.

[0037] In one embodiment, such as Figure 5 As shown, the tensioning assembly 500 includes two sets of pressure rollers, which are respectively located at the top and bottom of the foaming chamber 203. In use, pressure is applied to the foamed sheet through the two sets of pressure rollers to prevent the foamed sheet from curling or deforming due to heat.

[0038] In one embodiment, such as Figure 5 As shown, the pressure roller shaft includes a movable arm 501. One end of the movable arm 501 is rotatably connected to the side wall of the vertical furnace 200, and the other end of the movable arm 501 is provided with a roller 502. The roller 502 is rotatably connected to the movable arm 501. A spring 503 is provided between the movable arm 501 and the top and bottom ends of the foaming chamber 203. In use, the force of the spring 503 causes the rollers 502 on both sides to clamp towards the middle, thereby applying pressure to the foamed sheet and preventing the foamed sheet from curling or deforming due to heat.

[0039] In one embodiment, such as Figure 6 As shown, the cooling component 600 includes a first mounting frame 601 installed on the side wall of the cooling chamber 204. A second fan 602 is provided inside the first mounting frame 601. A first sealing plate 603 is provided on one side of the second fan 602, and a second sealing plate 604 is provided on the other side. Both the first sealing plate 603 and the second sealing plate 604 are provided with first ventilation slots 605. In use, the second fan 602 blows air to cool the foamed sheet, thereby reducing the stickiness of the foamed sheet and preventing the foamed sheet from adhering to the flattening roller 209.

[0040] In one embodiment, such as Figure 7As shown, the cooling assembly 700 includes a second mounting frame 701 installed on the side wall of the cooling chamber 206. A third sealing plate 702 is provided on one side of the second mounting frame 701. A heat dissipation groove 703 is provided on the third sealing plate 702. A cooling plate 704 is provided on one side of the third sealing plate 702. A second partition 705 is provided on one side of the cooling plate 704. A third fan 706 is provided on one side of the second partition 705. A fourth sealing plate 707 is provided on one side of the third fan 706. A second ventilation groove 708 is provided on both the second partition 705 and the fourth sealing plate 707. An air inlet groove 709 is also provided on the second mounting frame 701. In use, the third fan 706 blows the cold air generated by the cooling plate 704 toward the foamed sheet, so that the foamed sheet is cooled down quickly, so as to facilitate the winding of the processed foamed sheet.

[0041] The above embodiments disclose a foaming furnace for processing biodegradable materials. In use, foamed sheets are added to a horizontal furnace 100 through the feed inlet 101 and moved laterally along the conveying assembly 400. Simultaneously, the foamed sheets are preheated by a first heating pipe 105. Then, the foamed sheets enter the foaming chamber 203, where they are heated by a second heating pipe 207 to foam. Pressure is applied to the foamed sheets by two sets of pressure rollers to prevent curling or deformation due to heat. Finally, a second fan 6... 02 The foamed sheet is cooled by blowing air to reduce its stickiness. Then, the foamed sheet is flattened by the flattening roller 209. Next, the cold air generated by the cooling plate 704 is blown onto the foamed sheet by the third fan 706 to cool it down quickly, so that the processed foamed sheet can be rolled up. When it is necessary to clean the annular mesh belt 402, the annular mesh belt 402 is burned by the flame generator 106 to remove the foamed material adhering to the annular mesh belt 402. The residue generated after combustion is collected by the collection box 104.

[0042] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A foaming furnace for processing biodegradable materials, characterized in that, The furnace includes a horizontal furnace (100) and a vertical furnace (200). One end of the horizontal furnace (100) is connected to the top of the vertical furnace (200). The horizontal furnace (100) is equipped with a conveying assembly (400). The vertical furnace (200) is equipped with a foaming chamber (203), a cooling chamber (204), a flattening chamber (205), and a cooling chamber (206) arranged sequentially from top to bottom. A first partition (202) is provided between the foaming chamber (203), the cooling chamber (204), the flattening chamber (205), and the cooling chamber (206). The foaming chamber (203) is equipped with a tensioning assembly (500). The cooling chamber (204) is equipped with a cooling assembly (600). The cooling chamber (206) is equipped with a cooling assembly (700).

2. A foaming furnace for processing biodegradable materials according to claim 1, characterized in that, The horizontal furnace (100) has a feed inlet (101) at the end away from the vertical furnace (200), the vertical furnace (200) has a discharge outlet (201) at the lower end, the horizontal furnace (100) has an exhaust outlet (102) at the end near the vertical furnace (200), and a filter assembly (300) is provided at the exhaust outlet (102).

3. A foaming furnace for processing biodegradable materials according to claim 1, characterized in that, The horizontal furnace (100) has a slot (103) at its lower end, and a collection box (104) is provided at the lower end of the slot (103). The collection box (104) is connected to the horizontal furnace (100) by bolts. A first heating tube (105) is provided on the inner side of the top plate of the horizontal furnace (100). A flame generator (106) is provided in the middle of the conveying assembly (400). A nozzle (107) is provided at the lower end of the flame generator (106). The flame generator (106) is located directly above the slot (103).

4. A foaming furnace for processing biodegradable materials according to claim 1, characterized in that, The foaming chamber (203) is provided with second heating tubes (207) on both sides, the flattening chamber (205) is provided with third heating tubes (208) on both sides, and the flattening chamber (205) is provided with a flattening roller (209) in the middle position, and the flattening roller (209) is rotatably connected to the vertical furnace (200).

5. A foaming furnace for processing biodegradable materials according to claim 2, characterized in that, The filter assembly (300) includes an exhaust pipe (301) located at the upper end of the exhaust port (102), a filter plate (302) is provided inside the exhaust pipe (301), a first fan (303) is provided at the upper end of the filter plate (302), and a dustproof plate (304) is provided at the upper end of the first fan (303).

6. A foaming furnace for processing biodegradable materials according to claim 1, characterized in that, The conveying assembly (400) includes two horizontally arranged drive rollers (401), both ends of which are rotatably connected to the horizontal furnace (100). An annular mesh belt (402) is fitted on the two drive rollers (401), and a support roller (403) is provided inside the annular mesh belt (402). Both ends of the support roller (403) are also rotatably connected to the horizontal furnace (100).

7. A foaming furnace for processing biodegradable materials according to claim 1, characterized in that, The tensioning assembly (500) includes two sets of pressure roller shafts, which are respectively located at the top and bottom of the foaming chamber (203).

8. A foaming furnace for processing biodegradable materials according to claim 7, characterized in that, The pressure roller shaft includes a movable arm (501), one end of which is rotatably connected to the side wall of the vertical furnace (200), and the other end of which is provided with a roller (502). The roller (502) is rotatably connected to the movable arm (501), and a spring (503) is provided between the movable arm (501) and the top and bottom ends of the foaming chamber (203).

9. A foaming furnace for processing biodegradable materials according to claim 1, characterized in that, The cooling component (600) includes a first mounting frame (601) installed on the side wall of the cooling chamber (204). A second fan (602) is provided inside the first mounting frame (601). A first sealing plate (603) is provided on one side of the second fan (602), and a second sealing plate (604) is provided on the other side. A first ventilation slot (605) is provided on both the first sealing plate (603) and the second sealing plate (604).

10. A foaming furnace for processing biodegradable materials according to claim 1, characterized in that, The cooling assembly (700) includes a second mounting frame (701) installed on the side wall of the cooling chamber (206). A third sealing plate (702) is provided on one side of the second mounting frame (701). A heat dissipation groove (703) is provided on the third sealing plate (702). A cooling plate (704) is provided on one side of the third sealing plate (702). A second partition (705) is provided on one side of the cooling plate (704). A third fan (706) is provided on one side of the second partition (705). A fourth sealing plate (707) is provided on one side of the third fan (706). A second ventilation groove (708) is provided on both the second partition (705) and the fourth sealing plate (707). An air inlet groove (709) is also provided on the second mounting frame (701).

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