High-temperature long-bag pulse bag type dust removal equipment

Abstract

The utility model provides high-temperature long-bag pulse bag type dust removal equipment. The high-temperature long-bag pulse bag type dust removal equipment comprises a dust removal box, wherein a dust removal mechanism, a powder spraying mechanism and a blowing mechanism are arranged on the dust removal box; the dust removal mechanism comprises a dust hopper, a mounting plate, a plurality of filter bags, a dust gas inlet and a purified gas outlet, the dust hopper is fixedly mounted at the bottom of the dust removal box, the mounting plate is fixedly mounted in the dust removal box, the filter bags are mounted on the mounting plate, and the dust gas inlet and the purified gas outlet are fixedly mounted on the outer walls of the two sides of the dust removal box respectively. The high-temperature long-bag pulse bag type dust removal equipment provided by the utility model has the advantages that powder can be pre-sprayed on the dust remover, so that powder forms a layer of protective film on the filter bag, oil stains can be prevented from being attached to the filter bag, and the service life of the filter bag is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of dust removal equipment, in particular to a high-temperature long-bag pulse bag type dust removal equipment. Background Art

[0002] Since its introduction in the 1950s, pulse bag dust removal equipment has been widely used at home and abroad and has been continuously improved. It has made great progress in purifying dust-containing gases. Due to advanced cleaning technology and a significant increase in the gas-to-cloth ratio, it has the characteristics of large air volume, small footprint, high purification efficiency, reliable operation, simple structure, and low maintenance.

[0003] In the related technology, a high-temperature long-bag pulse bag dust removal equipment and a dust removal method thereof are disclosed, including a dust collector, an inner wall of the dust collector is installed with a mounting plate, a plurality of filter bags are installed on the surface of the mounting plate, a side wall of the dust collector is connected to a maintenance window, an outer wall of the maintenance window is hinged with an maintenance door, a lower surface of the dust collector is connected to a ash discharge pipe, and an outer wall of the dust collector is connected to an air inlet pipe, and the dust collector is provided with an oscillation structure relative to the position of the plurality of filter bags, and the oscillation structure includes two support rods, the support rods are fixedly connected to the inner wall of the dust collector, the arc surface sliding sleeve of the support rods is provided with a sliding tube, the upper surfaces of the two sliding tubes are fixedly connected with a transmission frame, and the transmission frame is fixedly connected with two limit plates relative to the positions of the plurality of filter bags, which solves the problem that dust particles are easily attached to the outer surface of the filter bag, thereby causing the filter bags to be easily blocked by dust particles.

[0004] However, the above structure still has some shortcomings. Although it can filter dust and clean the dust on the filter bag, if the dust contains oil, the oil will adhere to the filter bag, and its cleaning structure cannot remove the oil, which will affect the service life of the filter bag.

[0005] Therefore, it is necessary to provide a new high-temperature long-bag pulse bag dust removal equipment to solve the above technical problems. Utility Model Content

[0006] The technical problem solved by the utility model is to provide a high-temperature long-bag pulse bag dust removal device which can perform pre-powder spraying in a dust collector to form a protective film on the filter bag, thereby preventing oil stains from adhering to the filter bag and increasing the service life of the filter bag.

[0007] In order to solve the above technical problems, the utility model provides a high-temperature long-bag pulse bag dust removal device comprising: a dust removal box, on which a dust removal mechanism, a powder spraying mechanism and a blowing mechanism are arranged;

[0008] The dust removal mechanism includes an ash hopper, a mounting plate, a plurality of filter bags, a dust gas inlet and a clean gas outlet. The ash hopper is fixedly mounted at the bottom of the dust removal box, the mounting plate is fixedly mounted in the dust removal box, the plurality of filter bags are mounted on the mounting plate, and the dust gas inlet and the clean gas outlet are respectively fixedly mounted on the outer walls of both sides of the dust removal box;

[0009] The powder spraying mechanism includes a material storage box, a powder adding port, a powder conveying pipe and a first ash unloading valve. The material storage box is fixedly installed on one side outer wall of the dust removal box, the powder adding port is fixedly installed on the top of the material storage box, the powder conveying pipe is fixedly installed on the bottom of the material storage box, the bottom end of the powder conveying pipe is fixedly connected to the top of the dust and gas inlet, and the first ash unloading valve is fixedly installed on the powder conveying pipe.

[0010] As a further solution of the utility model, the blowing mechanism includes an air bag, multiple compressed air pipes, multiple pulse valves and multiple Venturi tubes. The air bag is arranged on one side of the dust removal box, and the multiple compressed air pipes are fixedly installed in the dust removal box. One ends of the multiple compressed air pipes extend outside the dust removal box and are fixedly connected to the air bag. The multiple pulse valves are respectively fixedly installed on the top of the multiple compressed air pipes, and the multiple Venturi tubes are respectively fixedly installed on the bottom of the multiple compressed air pipes. The multiple Venturi tubes correspond one by one to the multiple filter bags.

[0011] As a further solution of the utility model, four supporting legs are fixedly installed on the bottom of the dust removal box, and the four supporting legs are distributed in a rectangular array.

[0012] As a further solution of the utility model, a plurality of mounting holes are provided on the mounting plate, and the plurality of mounting holes correspond one-to-one to the plurality of filter bags respectively.

[0013] As a further solution of the utility model, an ash discharge pipe is fixedly installed at the bottom of the ash hopper, and a second ash discharge valve is fixedly installed on the ash discharge pipe.

[0014] As a further solution of the utility model, a plurality of support blocks are fixedly installed on the bottom of the air bag, and one side of the plurality of support blocks is fixedly connected to the dust removal box.

[0015] Compared with the related art, the high temperature long bag pulse bag dust removal equipment provided by the utility model has the following beneficial effects:

[0016] The utility model provides a dust removal mechanism so that the dust gas entering the dust removal box through the dust gas inlet can be filtered, and then the clean gas is discharged through the clean gas outlet;

[0017] The utility model is provided with a powder spraying mechanism, so that before dust removal, the powder can form a protective film on the surface of the filter bag, thereby preventing the oil in the oily dust gas from adhering to the filter bag and being difficult to clean, thereby increasing the service life of the filter bag;

[0018] The utility model is provided with a spraying mechanism so that after the dust removal is completed, the dust attached to the surface of the filter bag can be cleaned by spraying compressed gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0020] Figure 1 A schematic diagram of the three-dimensional structure of the high-temperature long-bag pulse bag dust removal equipment provided by the utility model;

[0021] Figure 2 A schematic cross-sectional view of the high-temperature long-bag pulse bag dust removal device provided by the utility model;

[0022] Figure 3 This is a schematic diagram of the partial structure of the high-temperature long-bag pulse bag dust removal equipment provided by the utility model.

[0023] In the figure: 1. Dust removal box; 2. Ash hopper; 3. Mounting plate; 4. Filter bag; 5. Dust and gas inlet; 6. Clean air outlet; 7. Storage box; 8. Powder adding port; 9. Powder conveying pipe; 10. First ash unloading valve; 11. Air bag; 12. Compressed air pipeline; 13. Pulse valve; 14. Venturi tube; 15. Support leg; 16. Mounting hole; 17. Ash discharge pipe; 18. Second ash unloading valve; 19. Support block. DETAILED DESCRIPTION

[0024] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic diagram of the three-dimensional structure of the high-temperature long-bag pulse bag dust removal equipment provided by the utility model; Figure 2 A schematic cross-sectional view of the high-temperature long-bag pulse bag dust removal device provided by the utility model; Figure 3 The schematic diagram of the partial structure of the high-temperature long-bag pulse bag dust removal device provided by the utility model. The high-temperature long-bag pulse bag dust removal device comprises: a dust removal box 1, on which a dust removal mechanism, a powder spraying mechanism and a blowing mechanism are arranged;

[0025] The dust removal mechanism includes an ash hopper 2, a mounting plate 3, a plurality of filter bags 4, a dust gas inlet 5 and a clean gas outlet 6. The ash hopper 2 is fixedly mounted at the bottom of the dust removal box 1, the mounting plate 3 is fixedly mounted in the dust removal box 1, and the plurality of filter bags 4 are mounted on the mounting plate 3. The dust gas inlet 5 and the clean gas outlet 6 are respectively fixedly mounted on the outer walls of both sides of the dust removal box 1;

[0026] The powder spraying mechanism includes a storage box 7, a powder adding port 8, a powder conveying pipe 9 and a first ash unloading valve 10. The storage box 7 is fixedly installed on the outer wall of one side of the dust removal box 1, the powder adding port 8 is fixedly installed on the top of the storage box 7, the powder conveying pipe 9 is fixedly installed on the bottom of the storage box 7, the bottom end of the powder conveying pipe 9 is fixedly connected to the top of the dust and gas inlet 5, and the first ash unloading valve 10 is fixedly installed on the powder conveying pipe 9.

[0027] like Figure 3 As shown, the blowing mechanism includes an air bag 11, a plurality of compressed air pipes 12, a plurality of pulse valves 13 and a plurality of venturi tubes 14, the air bag 11 is arranged on one side of the dust removal box 1, the plurality of compressed air pipes 12 are fixedly installed in the dust removal box 1, one end of the plurality of compressed air pipes 12 extends outside the dust removal box 1 and is fixedly connected to the air bag 11, the plurality of pulse valves 13 are respectively fixedly installed on the top of the plurality of compressed air pipes 12, the plurality of venturi tubes 14 are respectively fixedly installed on the bottom of the plurality of compressed air pipes 12, and the plurality of venturi tubes 14 correspond to the plurality of filter bags 4 one by one;

[0028] By providing a blowing mechanism, after dust removal is completed, the dust attached to the surface of the filter bag 4 can be cleaned by spraying compressed gas.

[0029] like Figure 1 As shown, four supporting legs 15 are fixedly installed at the bottom of the dust removal box 1, and the four supporting legs 15 are distributed in a rectangular array;

[0030] By providing the supporting legs 15 , the dust removal box 1 can be supported and fixed.

[0031] like Figure 3 As shown, the mounting plate 3 is provided with a plurality of mounting holes 16, and the plurality of mounting holes 16 correspond to the plurality of filter bags 4 one by one respectively;

[0032] The installation holes 16 are provided to facilitate installation of the filter bag 4 on the installation plate 3 .

[0033] like Figure 2 As shown, an ash discharge pipe 17 is fixedly installed at the bottom of the ash hopper 2, and a second ash discharge valve 18 is fixedly installed on the ash discharge pipe 17;

[0034] By providing the ash discharge pipe 17 and the second ash discharge valve 18 , the second ash discharge valve 18 can be opened to discharge the dust in the ash hopper 2 through the ash discharge pipe 17 .

[0035] like Figure 1 As shown, a plurality of support blocks 19 are fixedly installed at the bottom of the air bag 11, and one side of the plurality of support blocks 19 is fixedly connected to the dust removal box 1;

[0036] By providing the support block 19 , the air bag 11 can be supported, thereby improving the stability of the air bag 11 .

[0037] The working principle of the high-temperature long-bag pulse bag dust removal equipment provided by the utility model is as follows:

[0038] The first step: before dust removal, open the first ash discharge valve 10, and introduce the powder in the storage box 7 into the dust gas inlet 5 through the powder conveying pipe 9. Then, when the powder is sucked into the dust removal box 1, it adheres to the filter bag 4 to form a protective film, so that when processing high-temperature dust gas containing oil, it can prevent oil from adhering to the filter bag 4 and affecting the service life of the filter bag 4;

[0039] The second step: during dust removal, the dust gas is introduced into the dust removal box 1 through the dust gas inlet 5, the filter bag 4 can filter the dust gas, and then the clean gas is discharged from the dust removal box 1 through the clean gas outlet 6. At the same time, the second ash discharge valve 18 can be opened to discharge the dust in the ash hopper 2 through the ash discharge pipe 17. After the dust removal is completed, the pulse valve 13 is opened in turn, so that the compressed gas in the air bag 11 is introduced into the venturi 14 through the compressed air pipe 12, and sprayed into the filter bag 4 through the venturi 14 to blow away the dust on the filter bag 4.

[0040] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0041] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0042] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A high-temperature long-bag pulse bag dust removal equipment, characterized in that: include: A dust removal box, wherein the dust removal box is provided with a dust removal mechanism, a powder spraying mechanism and a blowing mechanism; The dust removal mechanism includes an ash hopper, a mounting plate, a plurality of filter bags, a dust gas inlet and a clean gas outlet. The ash hopper is fixedly mounted at the bottom of the dust removal box, the mounting plate is fixedly mounted in the dust removal box, the plurality of filter bags are mounted on the mounting plate, and the dust gas inlet and the clean gas outlet are respectively fixedly mounted on the outer walls of both sides of the dust removal box; The powder spraying mechanism includes a material storage box, a powder adding port, a powder conveying pipe and a first ash unloading valve. The material storage box is fixedly installed on one side outer wall of the dust removal box, the powder adding port is fixedly installed on the top of the material storage box, the powder conveying pipe is fixedly installed on the bottom of the material storage box, the bottom end of the powder conveying pipe is fixedly connected to the top of the dust and gas inlet, and the first ash unloading valve is fixedly installed on the powder conveying pipe.

2. The high temperature long bag pulse bag dust removal equipment according to claim 1 is characterized in that: The blowing mechanism includes an air bag, multiple compressed air pipes, multiple pulse valves and multiple venturi tubes. The air bag is arranged on one side of the dust removal box. The multiple compressed air pipes are fixedly installed in the dust removal box. One ends of the multiple compressed air pipes extend outside the dust removal box and are fixedly connected to the air bag. The multiple pulse valves are respectively fixedly installed on the tops of the multiple compressed air pipes. The multiple venturi tubes are respectively fixedly installed on the bottoms of the multiple compressed air pipes. The multiple venturi tubes correspond to the multiple filter bags one by one.

3. The high temperature long bag pulse bag dust removal equipment according to claim 1 is characterized in that: Four supporting legs are fixedly installed on the bottom of the dust removal box, and the four supporting legs are distributed in a rectangular array.

4. The high temperature long bag pulse bag dust removal equipment according to claim 1 is characterized in that: The mounting plate is provided with a plurality of mounting holes, and the plurality of mounting holes correspond to the plurality of filter bags one by one.

5. The high temperature long bag pulse bag dust removal equipment according to claim 1 is characterized in that: An ash discharge pipe is fixedly installed at the bottom of the ash hopper, and a second ash discharge valve is fixedly installed on the ash discharge pipe.

6. The high temperature long bag pulse bag dust removal equipment according to claim 2 is characterized in that: A plurality of support blocks are fixedly mounted on the bottom of the air bag, and one side of the plurality of support blocks is fixedly connected to the dust removal box.

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