High-temperature dust remover for flue gas of roasting furnace

Abstract

The utility model belongs to the field of environmental protection, and particularly relates to a roasting furnace flue gas high-temperature dust remover which comprises a dust removal box, a plurality of groups of dust removal bags are detachably installed in the dust removal box, and the ends, away from the dust removal box, of two groups of gas outlet pipes are fixedly communicated with separation covers. A plurality of groups of air outlet holes are formed in the outer surfaces of the two groups of separation covers in an annular array distribution mode, the air inlet pipe is communicated with a smoke exhaust pipe of the roasting furnace, so that smoke firstly enters the dust removal box and passes through the interior when being exhausted, the smoke is filtered by the dust removal bag, dust in the smoke is filtered on the dust removal bag, and the dust in the smoke is filtered by the dust removal bag; and then, the fan in the air outlet pipe sucks the flue gas subjected to dust removal into the air outlet pipe, and then the flue gas enters the separation cover and is discharged outwards from the air outlet holes, so that the problems that dust is accompanied in the flue gas generated when ore is roasted by the roasting furnace, and the flue gas and the dust are discharged together, so that the external environment is polluted, and the service life of the roasting furnace is prolonged are solved. And environmental protection is not facilitated.

Description

Technical Field

[0001] The utility model relates to the field of environmental protection, in particular to a high-temperature dust collector for smoke from a roasting furnace. Background Art

[0002] A roaster is a device used to heat materials at high temperatures. It is widely used in industries such as metallurgy, chemicals, and building materials. For example, in the metallurgical industry, it is used to roast ores to extract useful components; in the chemical industry, it is used to dry, decompose, or react chemical substances.

[0003] Since the flue gas generated by the roasting furnace when roasting ore is accompanied by dust, which is discharged together with the flue gas, causing pollution to the external environment and is not conducive to environmental protection. Therefore, a high-temperature dust collector for roasting furnace flue gas is proposed to address the above problem. Utility Model Content

[0004] In order to make up for the shortcomings of the existing technology, since the flue gas generated by the roasting furnace when roasting ore will be accompanied by dust and discharged together with the flue gas, causing pollution to the external environment and being detrimental to environmental protection, the utility model proposes a high-temperature dust collector for roasting furnace flue gas.

[0005] The technical solution adopted by the present invention to solve its technical problems is: the utility model describes a high-temperature dust collector for roasting furnace flue gas, comprising a dust collection box, one side surface of the dust collection box is connected to an air inlet pipe, a plurality of dust collection bags are detachably installed in the dust collection box, the other two opposite sides of the dust collection box are fixedly connected to an air outlet pipe, the two groups of the air outlet pipes are fixedly connected to a separation cover at one end away from the dust collection box, the outer surfaces of the two groups of the separation covers are provided with a plurality of air outlet holes distributed in a circular array, fans are installed in the two groups of the air outlet pipes, and filter plates are fixedly installed in the multiple groups of the air outlet holes.

[0006] Preferably, a mounting base is provided on one side of the fan in the two groups of the air outlet pipes, and multiple groups of support rods are fixedly distributed in a circular array on the outer surfaces of the two groups of the mounting bases, and the other ends of the multiple groups of support rods are respectively fixedly connected to the inner surfaces of the two groups of the air outlet pipes.

[0007] Preferably, a rotating rod is rotatably installed on one side surface of the two groups of mounting seats, and multiple groups of wind plates are fixedly distributed in a circular array on the outer surfaces of the two groups of rotating rods. One end of the two groups of rotating rods rotates through the surface of one end of the separation cover, and a motor for driving the rotating rod is fixedly installed on the surface of one end of the two groups of separation covers.

[0008] Preferably, slide grooves are provided on the upper and lower surfaces of the dust removal box, one end of the two groups of slide grooves are passed through to the outside, and slide bars are slidably installed in the two groups of slide grooves, and one end of the two groups of slide bars are fixedly connected to a sealing plate. A mounting plate is fixedly installed on the lower surface of a group of slide bars located above in the dust removal box, and multiple groups of dust removal bags can be removably installed on the lower surface of the mounting plate.

[0009] Preferably, multiple groups of screws are fixedly distributed on the lower surface of the mounting plate, and mounting heads are provided under the multiple groups of screws. No. 1 screw holes corresponding to the screws are opened on the upper surfaces of the multiple groups of mounting heads, and the multiple groups of dust removal bags are respectively fixedly connected to the lower surfaces of the multiple groups of mounting heads.

[0010] Preferably, the sealing plate is located at four groups of corners and screws are threaded through them, and the dust removal box is located on one side surface of the sealing plate and is located at four groups of corners and has No. 2 screw holes corresponding to the screws.

[0011] The utility model is beneficial in that:

[0012] 1. The utility model connects the air inlet pipe with the exhaust pipe of the roasting furnace, so that the flue gas will first enter the dust collection box and pass through the interior when discharged, and the dust collection bag will filter the flue gas, and the dust in the flue gas will be filtered on the dust collection bag, and then the dust-removed flue gas will be sucked into the outlet pipe by the fan in the outlet pipe, and then enter the separation cover to be discharged outward from the outlet hole. The outlet hole can be protected by the action of the filter plate, and the dust collection bag in the dust collection box can be disassembled and replaced to ensure the dust removal effect of the dust collection box, thereby solving the problem that the flue gas generated by the roasting furnace when roasting ore will be accompanied by dust, and discharged together with the flue gas, causing pollution to the external environment and being not conducive to environmental protection.

[0013] 2. The utility model drives the rotating rod to rotate by starting the motor, and the rotating rod will drive the wind plate fixed thereon to swing when it rotates. The wind plate will assist the smoke to be discharged outward from the air outlet when it swings, thereby improving the efficiency of smoke discharge. When the dust bag needs to be replaced, the closing plate can be pulled to drive the two sets of slide bars to slide outward in the slide groove, so that the mounting plate can be slid to the outside of the dust box to replace the dust bag. By threading the No. 1 screw hole onto the screw rod, the mounting head can be detachably mounted on the mounting plate. Due to the fixed connection between the mounting head and the mounting plate, the dust bag can be detachably mounted in the dust box. By threading the screw into the No. 2 screw hole, the closing plate is locked to one side of the dust box, thereby achieving the purpose of fixing the dust box. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the dust removal box of the present utility model;

[0017] Figure 3 This is a schematic diagram of the separation cover structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the mounting plate structure of the present utility model.

[0019] In the figure: 1. Dust removal box; 2. Air inlet pipe; 3. Dust bag; 4. Slide; 5. Slide bar; 6. Mounting plate; 7. Screw; 8. Mounting head; 9. Screw hole No. 1; 10. Closing plate; 11. Screw hole No. 2; 12. Screw; 13. Air outlet pipe; 14. Separation cover; 15. Air outlet; 16. Filter plate; 17. Rotating rod; 18. Fan; 19. Air plate; 20. Motor; 21. Support rod; 22. Mounting base. DETAILED DESCRIPTION

[0020] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 4 As shown, a high-temperature dust collector for roasting furnace flue gas includes a dust box 1. The surface of one side of the dust box 1 is connected to an air inlet pipe 2. Multiple groups of dust bags 3 are detachably installed in the dust box 1. The other two opposite surfaces of the dust box 1 are fixedly connected to an air outlet pipe 13. The two groups of air outlet pipes 13 are fixedly connected to a separation cover 14 at one end away from the dust box 1. The outer surfaces of the two groups of separation covers 14 are distributed in a circular array and have multiple groups of air outlet holes 15. Fans 18 are installed in the two groups of air outlet pipes 13, and filter plates 16 are fixedly installed in the multiple groups of air outlet holes 15.

[0022] During operation, the air inlet pipe 2 is connected with the exhaust pipe of the roasting furnace, so that the flue gas will first enter the dust removal box 1 and pass through the interior when discharged, and the dust bag 3 will filter the flue gas, and the dust in the flue gas will be filtered on the dust removal bag 3, and then the fan 18 in the outlet pipe 13 will suck the dust-removed flue gas into the outlet pipe 13, and then enter the separation cover 14 and be discharged outward from the outlet hole 15. The outlet hole 15 can be protected by the action of the filter plate 16, and the dust bag 3 in the dust removal box 1 can be disassembled and replaced to ensure the dust removal effect of the dust removal box 1, thereby solving the problem that the flue gas generated by the roasting furnace when roasting ore will be accompanied by dust and discharged together with the flue gas, causing pollution to the external environment and being not conducive to environmental protection.

[0023] Furthermore, a mounting seat 22 is provided on one side of the fan 18 in the two sets of air outlet pipes 13, and multiple sets of support rods 21 are fixedly distributed in a circular array on the outer surfaces of the two sets of mounting seats 22, and the other ends of the multiple sets of support rods 21 are fixedly connected to the inner surfaces of the two sets of air outlet pipes 13 respectively.

[0024] During operation, the mounting base 22 is fixedly mounted in the exhaust pipe 13 via the support rod 21, thereby facilitating the exhaust of smoke.

[0025] Furthermore, a rotating rod 17 is rotatably installed on the surface of one side of the two sets of mounting seats 22, and a plurality of wind plates 19 are fixedly distributed in a circular array on the outer surfaces of the two sets of rotating rods 17. One end of the two sets of rotating rods 17 rotates through the surface of one end of the separation cover 14, and a motor 20 for driving the rotating rod 17 is fixedly installed on the surface of one end of the two sets of separation covers 14.

[0026] During operation, the motor 20 is started to drive the rotating rod 17 to rotate, and the rotating rod 17 rotates, which drives the wind plate 19 fixed thereon to swing. When the wind plate 19 swings, it assists the smoke to be discharged outward from the air outlet 15, thereby improving the efficiency of smoke emission.

[0027] Furthermore, slide grooves 4 are provided on the upper and lower surfaces of the dust removal box 1, one end of the two groups of slide grooves 4 is passed through to the outside, and slide bars 5 are slidably installed in the two groups of slide grooves 4, and one end of the two groups of slide bars 5 is fixedly connected to a sealing plate 10. A mounting plate 6 is fixedly installed on the lower surface of a group of slide bars 5 located above in the dust removal box 1, and multiple groups of dust removal bags 3 can be removably installed on the lower surface of the mounting plate 6.

[0028] During operation, when the dust bag 3 needs to be replaced, the sealing plate 10 can be pulled to drive the two sets of slide bars 5 to slide outward in the slide groove 4, thereby sliding the mounting plate 6 to the outside of the dust box 1 and replacing the dust bag 3, thereby facilitating the replacement of the dust bag 3.

[0029] Furthermore, multiple groups of screws 7 are fixedly distributed on the lower surface of the mounting plate 6, and mounting heads 8 are provided below the multiple groups of screws 7. No. 1 screw holes 9 corresponding to the screws 7 are opened on the upper surfaces of the multiple groups of mounting heads 8, and multiple groups of dust removal bags 3 are fixedly connected to the lower surfaces of the multiple groups of mounting heads 8 respectively.

[0030] During operation, the mounting head 8 is detachably mounted on the mounting plate 6 by threading the No. 1 screw hole 9 onto the screw rod 7. Due to the fixed connection between the mounting head 8 and the mounting plate 6, the dust bag 3 is detachably mounted in the dust removal box 1.

[0031] Furthermore, screws 12 are threaded through the four corners of the sealing plate 10 , and No. 2 screw holes 11 corresponding to the screws 12 are opened on one side surface of the sealing plate 10 at the four corners.

[0032] During operation, the sealing plate 10 is locked to one side of the dust removal box 1 by threading the screw 12 into the No. 2 screw hole 11, thereby achieving the purpose of fixing the dust removal box 1.

[0033] Working principle: By connecting the air inlet pipe 2 with the exhaust pipe of the roasting furnace, the flue gas will first enter the dust removal box 1 and pass through the interior when discharged. The dust removal bag 3 will filter the flue gas, and the dust in the flue gas will be filtered on the dust removal bag 3. Then the fan 18 in the outlet pipe 13 will suck the dust-removed flue gas into the outlet pipe 13, and then enter the separation cover 14 to be discharged outward from the outlet hole 15. The outlet hole 15 can be protected by the action of the filter plate 16. At the same time, the dust removal bag 3 in the dust removal box 1 can be disassembled and replaced to ensure the dust removal effect of the dust removal box 1.

[0034] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A high-temperature dust collector for roasting furnace flue gas, comprising a dust removal box (1), characterized in that: One side surface of the dust removal box (1) is connected to an air inlet pipe (2), and multiple groups of dust removal bags (3) are detachably installed in the dust removal box (1). The other two opposite sides of the dust removal box (1) are fixedly connected to air outlet pipes (13), and the ends of the two groups of air outlet pipes (13) away from the dust removal box (1) are fixedly connected to separation covers (14). The outer surfaces of the two groups of separation covers (14) are distributed in a circular array and have multiple groups of air outlet holes (15). Fans (18) are installed in the two groups of air outlet pipes (13), and filter plates (16) are fixedly installed in the multiple groups of air outlet holes (15).

2. The high-temperature dust collector for roasting furnace flue gas according to claim 1, characterized in that: A mounting seat (22) is provided on one side of the fan (18) in the two groups of the air outlet pipes (13), and multiple groups of support rods (21) are fixedly distributed in a circular array on the outer surfaces of the two groups of the air outlet pipes (13). The other ends of the multiple groups of support rods (21) are respectively fixedly connected to the inner surfaces of the two groups of the air outlet pipes (13).

3. The high-temperature dust collector for roasting furnace flue gas according to claim 2, characterized in that: A rotating rod (17) is rotatably mounted on one side surface of the two groups of mounting seats (22), and multiple groups of wind plates (19) are fixedly distributed in a circular array on the outer surfaces of the two groups of rotating rods (17). One end of the two groups of rotating rods (17) is rotated and penetrates to one end surface of the separation cover (14), and a motor (20) for driving the rotating rod (17) is fixedly mounted on one end surface of the two groups of separation covers (14).

4. The high-temperature dust collector for roasting furnace flue gas according to claim 3, characterized in that: The dust removal box (1) is provided with a slide groove (4) on both upper and lower surfaces, one end of each of the two groups of slide grooves (4) is passed through to the outside, a slide bar (5) is slidably installed in each of the two groups of slide grooves (4), one end of each of the two groups of slide bars (5) is fixedly connected to a sealing plate (10), a mounting plate (6) is fixedly installed on the lower surface of the upper group of slide bars (5) in the dust removal box (1), and multiple groups of dust removal bags (3) can be detachably installed on the lower surface of the mounting plate (6).

5. The high-temperature dust collector for roasting furnace flue gas according to claim 4, characterized in that: A plurality of groups of screw rods (7) are fixedly distributed on the lower surface of the mounting plate (6), and mounting heads (8) are provided below the plurality of groups of screw rods (7). A number one screw hole (9) corresponding to the screw rods (7) is provided on the upper surface of the plurality of groups of mounting heads (8), and the plurality of groups of dust removal bags (3) are respectively fixedly connected to the lower surfaces of the plurality of groups of mounting heads (8).

6. The high-temperature dust collector for roasting furnace flue gas according to claim 5, characterized in that: The sealing plate (10) is located at four groups of corners and is threaded with screws (12). The dust removal box (1) is located at one side of the sealing plate (10) and is provided with second screw holes (11) corresponding to the screws (12) at four groups of corners.

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