Oxygen-enriched combustion device for oxidation section of roller kiln

Abstract

The utility model discloses a roller kiln oxidation section oxygen-enriched combustion device which comprises a roller kiln, a cooling box and a conveying roller belt, the conveying roller belt is installed on a workbench and sequentially passes through the roller kiln and the cooling box in the product conveying direction, and the roller kiln and the cooling box are both fixed to the workbench; the cooling box is provided with a rapid cooling assembly, the rapid cooling assembly comprises a refrigeration box and a plurality of cold air conveying pipes, the cooling box is provided with a plurality of evenly-distributed installation sleeves, fans are installed in the installation sleeves, the cold air conveying pipes correspond to the installation sleeves in a one-to-one mode, the installation sleeves are communicated with the cold air conveying pipes, and the cold air conveying pipes are communicated with the refrigeration box; air inlets are formed in the two opposite sides of the refrigeration box, detachable filter screens are installed at the air inlets, two sets of barrier plate assemblies and at least two sets of refrigeration assemblies are installed in the refrigeration box, and the refrigeration assemblies are located between the two sets of barrier plates. According to the utility model, cold air is used for quickly cooling products just discharged from the roller kiln, so that the production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of roller kilns, in particular to an oxygen-enriched combustion device in an oxidation section of a roller kiln. Background Art

[0002] A tunnel kiln with an archless design is a narrow, long tunnel kiln. Unlike a kiln car tunnel kiln, it does not utilize a kiln car to carry the products, so the kiln roof is a flat ceiling. The kiln's working channel is formed by a series of parallel rollers arranged across the kiln's working channel, forming a "roller table." Products are placed on the roller table and transported into the kiln as the rollers rotate, completing the firing process within the kiln.

[0003] However, in the prior art, after fuel is supplied to the roller kiln, the fuel is burned in the roller kiln. During the production process, when the product comes out of the roller kiln, its surface temperature is high due to the combustion, and the heat dissipation efficiency is low, which affects the production efficiency. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide an oxygen-enriched combustion device in the oxidation section of a roller kiln, which can use cold air to quickly cool down the products just out of the roller kiln, thereby improving production efficiency.

[0005] In order to solve the above technical problems, the present invention adopts a technical solution: an oxygen-enriched combustion device in the oxidation section of a roller kiln, comprising a roller kiln, a cooling box and a conveyor roller belt, wherein the conveyor roller belt is installed on a workbench and passes through the roller kiln and the cooling box in sequence along the conveying direction of the product, and the roller kiln and the cooling box are both fixed to the workbench;

[0006] The cooling box is equipped with a rapid cooling component, which includes a refrigeration box and a plurality of cold air delivery pipes. The cooling box has a plurality of evenly distributed mounting sleeves, a fan is installed inside the mounting sleeves, the cold air delivery pipes and the mounting sleeves correspond one to one, the mounting sleeves are connected to the cold air delivery pipes, and the cold air delivery pipes are connected to the refrigeration box;

[0007] Air inlets are provided on opposite sides of the refrigeration box, and detachable filters are installed on the air inlets. Two groups of baffle plate assemblies and at least two groups of refrigeration assemblies are installed inside the refrigeration box. The refrigeration assembly is located between the two groups of baffle plates, and the two groups of baffle plates are symmetrically arranged with each other. Cold air is generated by the refrigeration assembly and blown onto the surface of the product to accelerate its heat dissipation speed, so as to quickly cool down the products just out of the roller kiln, thereby improving production efficiency.

[0008] The baffle plate assembly includes an upper baffle plate and a lower baffle plate. The upper baffle plate is installed on the top of the refrigeration box, and a gap is formed between the upper baffle plate and the bottom of the refrigeration box. The lower baffle plate is installed on the bottom of the refrigeration box, and a gap is formed between the lower baffle plate and the top of the refrigeration box. An air flow channel is formed between the upper baffle plate and the lower baffle plate.

[0009] Each group of the refrigeration components includes a fixed plate and semiconductor refrigeration plates respectively installed on both sides of the fixed plate, and the fixed plate is fixed to the refrigeration box.

[0010] A gas feeding pipe is provided on one side of the roller kiln, and an oxygen input assembly is provided on the other side of the roller kiln. Both the gas feeding pipe and the oxygen input assembly are connected to the roller kiln.

[0011] The gas feeding pipe includes a gas feeding main pipe and a plurality of gas feeding branch pipes. The gas feeding main pipe is connected to the plurality of gas feeding branch pipes, and the plurality of gas feeding branch pipes are connected to the roller kiln.

[0012] The gas input assembly includes an oxygen generator and an oxygen storage tank, both of which are fixed to a mounting plate, and the mounting plate is installed on the roller kiln. The oxygen generator is connected to a first delivery pipe, the first delivery pipe is connected to the oxygen storage tank, the oxygen storage tank is connected to a second delivery pipe, and the second delivery pipe is connected to the roller kiln.

[0013] Slide bars are provided on both sides of the filter screen, the refrigeration box is provided with a slide groove matching the slide bars, and the filter screen has a pull handle.

[0014] The filter is provided with an installation groove, and a positioning assembly is installed inside the installation groove. The positioning assembly includes a V-shaped elastic sheet and a positioning column. The V-shaped elastic sheet is installed on the filter through a connecting column, and the V-shaped elastic sheet has two elastic sheets, which are respectively fixed to the positioning columns. The positioning column passes through the filter and is inserted into the positioning hole of the refrigeration box, making it convenient to disassemble and clean the filter.

[0015] There are several supporting columns below the workbench.

[0016] The fan is mounted on a connecting frame, and the connecting frame is fixed to the mounting sleeve.

[0017] The beneficial effects of the present invention include at least the following:

[0018] The cooling box of the utility model is equipped with a rapid cooling component, which includes a refrigeration box and a plurality of cold air delivery pipes. The cooling box has a plurality of evenly distributed installation sleeves, a fan is installed inside the installation sleeve, the installation sleeve is connected to the cold air delivery pipe, and the cold air delivery pipe is connected to the cooling box. There are at least two sets of refrigeration components inside the cooling box, and cold air is generated by the refrigeration components. The cold air is blown onto the surface of the product to accelerate its heat dissipation speed, and the product just out of the roller kiln is quickly cooled, thereby improving production efficiency.

[0019] Each refrigeration assembly of the utility model includes a fixed plate and semiconductor refrigeration sheets respectively installed on both sides of the fixed plate. Refrigeration through the semiconductor refrigeration sheets is more environmentally friendly and pollution-free.

[0020] The refrigeration box of the present invention is provided with air inlets on opposite sides, and the air inlets are installed with detachable filters to prevent the air from entering the refrigeration box and falling on the semiconductor refrigeration plate to affect the refrigeration. Better yet, the positioning assembly includes a V-shaped elastic sheet and a positioning column. The V-shaped elastic sheet is fixed to the filter through a connecting column, and the V-shaped elastic sheet has two elastic sheets, which are respectively fixed to the positioning columns. The positioning column passes through the filter and is inserted into the positioning hole of the refrigeration box, which is convenient for disassembly and cleaning of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is one of the structural diagrams of the present utility model;

[0022] Figure 2 This is the second structural diagram of the present utility model;

[0023] Figure 3 It is a structural schematic diagram of the cooling box of the utility model;

[0024] Figure 4 This is one of the cross-sectional views of the cooling box of the present utility model;

[0025] Figure 5 This is the second cross-sectional view of the cooling box of the present invention;

[0026] Figure 6 It is a structural schematic diagram of the filter screen of the present utility model;

[0027] Figure 7 It is a cross-sectional view of the filter screen of the present utility model;

[0028] The parts in the accompanying drawings are marked as follows:

[0029] 1, roller kiln; 11, gas feeding main pipe; 12, gas feeding branch pipe; 13, oxygen generator; 14, oxygen storage tank; 15, mounting plate; 16, first conveying pipe; 17, second conveying pipe; 2, cooling box; 21, mounting sleeve; 3, conveying roller belt; 4, workbench; 41, supporting column; 5, refrigeration box; 51, air inlet; 52, filter screen; 521, sliding bar; 522, pull handle; 523, mounting groove; 53, upper blocking plate; 54, lower blocking plate; 55, air flow channel; 56, fixing plate; 57, semiconductor refrigeration sheet; 61, cold air conveying pipe; 62, fan; 63, connecting frame; 71, V-shaped elastic sheet; 72, positioning column; 73, connecting column. DETAILED DESCRIPTION

[0030] The advantages and features of the present application will be more apparent from the following detailed description of the preferred embodiments of the present application, taken in conjunction with the accompanying drawings, in which:

[0031] Embodiment: An oxygen-enriched combustion device for the oxidation section of a roller kiln, as shown in Figure 1 and Figure 2 , comprises a roller kiln 1, a cooling box 2, and a conveying roller belt 3, the conveying roller belt 3 is mounted on a workbench 4, and the conveying roller belt 3 passes through the roller kiln 1 and the cooling box 2 in turn along the conveying direction of the product, and the roller kiln 1 and the cooling box 2 are both fixed on the workbench 4.

[0032] In this embodiment, the conveying roller belt is composed of a plurality of conveying rollers arranged in parallel, the conveying rollers are electric conveying rollers, or can also be driven to rotate by a motor;

[0033] As shown in Figure 4 , the cooling box 2 is provided with a rapid cooling assembly, the rapid cooling assembly comprises a refrigeration box 5 and a plurality of cold air conveying pipes 61, the cooling box 2 is provided with a plurality of evenly distributed mounting sleeves 21, a fan 62 is mounted in the mounting sleeve 21, the cold air conveying pipe 61 and the mounting sleeve 21 correspond to each other, the mounting sleeve 21 is in communication with the cold air conveying pipe 61, and the cold air conveying pipe 61 is in communication with the refrigeration box 5.

[0034] As shown in Figure 3 , opposite sides of the refrigeration box 5 are provided with air inlets 51, the air inlets 51 are provided with detachable filter screens 52, the interior of the refrigeration box 5 is provided with two sets of blocking plate assemblies and at least two sets of refrigeration assemblies, the refrigeration assemblies are located between the two sets of blocking plates, and the two sets of blocking plates are symmetrically arranged.

[0035] As shown in Figure 5As shown, the baffle plate assembly includes an upper baffle plate 53 and a lower baffle plate 54. The upper baffle plate 53 is installed on the top of the refrigeration box 5, and a gap is formed between the upper baffle plate 53 and the bottom of the refrigeration box 5. The lower baffle plate 54 is installed on the bottom of the refrigeration box 5, and a gap is formed between the lower baffle plate 54 and the top of the refrigeration box 5. An air flow channel 55 is formed between the upper baffle plate 53 and the lower baffle plate 54. The setting of the baffle plate assembly can prevent cold air from flowing out of the air inlet to a certain extent.

[0036] Each group of the refrigeration components includes a fixing plate 56 and semiconductor refrigeration plates 57 respectively installed on both sides of the fixing plate 56 . The fixing plate 56 is fixed to the refrigeration box 5 .

[0037] A gas feeding pipe is provided on one side of the roller kiln 1 , and an oxygen input assembly is provided on the other side of the roller kiln. Both the gas feeding pipe and the oxygen input assembly are connected to the roller kiln 1 .

[0038] During specific implementation, a burner for igniting gas is installed inside the roller kiln.

[0039] The gas feeding pipe includes a gas feeding main pipe 11 and a plurality of gas feeding branch pipes 12 . The gas feeding main pipe 11 is connected to the plurality of gas feeding branch pipes 12 , and the plurality of gas feeding branch pipes 12 are connected to the roller kiln 1 .

[0040] The gas input assembly includes an oxygen concentrator 13 and an oxygen storage tank 14. The oxygen concentrator 13 and the oxygen storage tank 14 are both fixed to a mounting plate 15. The mounting plate 15 is installed on the roller kiln 1. The oxygen concentrator 13 is connected to a first delivery pipe 16. The first delivery pipe 16 is connected to the oxygen storage tank 14. The oxygen storage tank 14 is connected to a second delivery pipe 17. The second delivery pipe 17 is connected to the roller kiln 1.

[0041] like Figure 6 As shown, slide bars 521 are provided on both sides of the filter 52 , the refrigeration box 5 is provided with slide grooves matching the slide bars 521 , and the filter 52 has a handle 522 .

[0042] like Figure 7 As shown, the filter 52 is provided with a mounting groove 523, and a positioning assembly is installed inside the mounting groove 523. The positioning assembly includes a V-shaped elastic sheet 71 and a positioning column 72. The V-shaped elastic sheet is installed on the filter 52 through the connecting column 73, and the V-shaped elastic sheet has two elastic sheets, which are respectively fixed to the positioning column 72. The positioning column 72 passes through the filter 52 and is inserted into the positioning hole of the refrigeration box 5.

[0043] In a specific implementation, the end of the positioning column is a hemispherical structure to facilitate sliding in or out of the positioning hole. In this implementation, the connecting column is installed on the filter screen after passing through the connecting hole of the connecting plate, and the aperture of the connecting hole is larger than the aperture of the connecting column.

[0044] There are several support columns 41 below the workbench 4 .

[0045] The fan 62 is mounted on a connecting frame 63 , and the connecting frame 63 is fixed to the mounting sleeve 21 .

[0046] The working principle of the utility model is as follows: the product is placed on the conveyor roller belt and conveyed to the inside of the roller kiln, the gas fuel is conveyed to the inside of the roller kiln through the gas feeding pipe, and at the same time the oxygen storage tank conveys oxygen to the inside of the roller kiln through the second conveying pipe, so that the gas fuel and oxygen are mixed and fully burned, and the burned product is conveyed to the cooling box through the conveyor roller belt, at this time the fan is started, and the fan blows the cold air in the refrigeration box to the surface of the product through the cold air conveying pipe to accelerate the heat dissipation, and at the same time the external air is filtered through the filter and enters the refrigeration box and is refrigerated by the semiconductor refrigeration sheet. When the refrigeration box needs to be cleaned, the handle is pulled, and the filter is subjected to tension, the ball end of the positioning column is squeezed by the refrigeration box, the V-shaped elastic sheet begins to compress, the positioning column disengages from the positioning hole on the refrigeration box, the filter positioning is released and slides out from the air inlet, and by setting a rapid cooling component, the product just out of the roller kiln can be quickly cooled, thereby improving production efficiency.

[0047] The above are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An oxygen-enriched combustion device in the oxidation section of a roller kiln, characterized by: The invention comprises a roller kiln (1), a cooling box (2) and a conveyor roller belt (3), wherein the conveyor roller belt is installed on a workbench (4), and the conveyor roller belt passes through the roller kiln and the cooling box in sequence along the conveying direction of the product, and the roller kiln and the cooling box are both fixed to the workbench; The cooling box is equipped with a rapid cooling component, the rapid cooling component includes a refrigeration box (5) and a plurality of cold air delivery pipes (61), the cooling box has a plurality of evenly distributed installation sleeves (21), a fan (62) is installed inside the installation sleeve, the cold air delivery pipes and the installation sleeves correspond one to one, the installation sleeves are connected to the cold air delivery pipes, and the cold air delivery pipes are connected to the cooling box; Air inlets (51) are provided on opposite sides of the refrigeration box, and detachable filters (52) are installed on the air inlets. Two groups of baffle plate assemblies and at least two groups of refrigeration assemblies are installed inside the refrigeration box, and the refrigeration assemblies are located between the two groups of baffle plates, and the two groups of baffle plates are symmetrically arranged with respect to each other.

2. The oxygen-enriched combustion device in the oxidation section of a roller kiln according to claim 1, characterized in that: The baffle plate assembly includes an upper baffle plate (53) and a lower baffle plate (54), wherein the upper baffle plate is installed on the top of the refrigeration box, and a gap is formed between the upper baffle plate and the bottom of the refrigeration box; the lower baffle plate is installed on the bottom of the refrigeration box, and a gap is formed between the lower baffle plate and the top of the refrigeration box; and an air flow channel (55) is formed between the upper baffle plate and the lower baffle plate.

3. The oxygen-enriched combustion device in the oxidation section of a roller kiln according to claim 1, characterized in that: Each group of the refrigeration components includes a fixed plate (56) and semiconductor refrigeration sheets (57) respectively installed on both sides of the fixed plate, and the fixed plate is fixed to the refrigeration box.

4. The oxygen-enriched combustion device in the oxidation section of a roller kiln according to claim 1, characterized in that: A gas feeding pipe is provided on one side of the roller kiln, and an oxygen input assembly is provided on the other side of the roller kiln. Both the gas feeding pipe and the oxygen input assembly are connected to the roller kiln.

5. The oxygen-enriched combustion device in the oxidation section of a roller kiln according to claim 4, characterized in that: The gas feeding pipe comprises a gas feeding main pipe (11) and a plurality of gas feeding branch pipes (12). The gas feeding main pipe is connected to the plurality of gas feeding branch pipes, and the plurality of gas feeding branch pipes are connected to the roller kiln.

6. The oxygen-enriched combustion device in the oxidation section of a roller kiln according to claim 4, characterized in that: The gas input assembly includes an oxygen concentrator (13) and an oxygen storage tank (14), both of which are fixed to a mounting plate (15), and the mounting plate is mounted on the roller kiln. The oxygen concentrator is connected to a first delivery pipe (16), the first delivery pipe is connected to the oxygen storage tank, the oxygen storage tank is connected to a second delivery pipe (17), and the second delivery pipe is connected to the roller kiln.

7. The oxygen-enriched combustion device in the oxidation section of a roller kiln according to claim 1, characterized in that: Slide bars (521) are provided on both sides of the filter screen, the refrigeration box is provided with a slide groove matching the slide bars, and the filter screen has a pull handle (522).

8. The oxygen-enriched combustion device in the oxidation section of a roller kiln according to claim 1, characterized in that: The filter is provided with a mounting groove (523), a positioning assembly is installed inside the mounting groove, the positioning assembly comprises a V-shaped elastic sheet (71) and a positioning column (72), the V-shaped elastic sheet is mounted on the filter via a connecting column (73), and the V-shaped elastic sheet has two elastic sheets, the two elastic sheets are respectively fixed to the positioning columns, and the positioning columns pass through the filter and are inserted into the positioning holes of the refrigeration box.

9. The oxygen-enriched combustion device in the oxidation section of a roller kiln according to claim 1, characterized in that: There are several supporting columns (41) below the workbench.

10. The oxygen-enriched combustion device in the oxidation section of a roller kiln according to claim 1, characterized in that: The fan is mounted on a connecting frame (63), and the connecting frame is fixed to the mounting sleeve.

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