CN216023972U

CN216023972U - Purify VOCs's absorption recovery unit

Info

Publication number: CN216023972U
Application number: CN202120817266.0U
Authority: CN
Inventors: 王升泉
Original assignee: SHENZHEN GUANSHENGHUA INDUSTRIAL DEVELOPMENT CO LTD
Current assignee: SHENZHEN GUANSHENGHUA INDUSTRIAL DEVELOPMENT CO LTD
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2022-03-15
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses an adsorption recovery device for purifying VOCs (volatile organic compounds), which comprises a horizontally arranged cylindrical filter bin, wherein a semi-cylindrical heat treatment bin is horizontally welded at the lower part of the vertical side of the filter bin, the heat treatment bin is communicated with the interior of the filter bin, partition plates are horizontally welded at two sides of a horizontal direction of a transmission shaft, two mounting strips are vertically welded at two sides of the vertical direction of the transmission shaft, the same active carbon plate is vertically arranged between the two relatively close mounting strips in a sliding manner, a driving assembly for driving the transmission shaft to rotate is arranged at one side of the heat treatment bin, and a pulling assembly for pulling one of the active carbon plates is arranged in the heat treatment bin.

Description

Purify VOCs's absorption recovery unit

Technical Field

The utility model relates to the technical field of VOCs (volatile organic compounds) organic gas treatment equipment, in particular to an adsorption recovery device for purifying VOCs.

Background

VOCs refer to volatile organic compounds, the saturated vapor pressure of VOCs at normal temperature is generally more than 133.32Pa, the boiling point of VOCs at normal pressure is below 50-260 ℃, or any volatile organic solid or liquid at normal temperature and normal pressure, VOCs exist in industrial production and daily household furniture of people, wherein VOCs are the most common in industrial production, acute poisoning is easily caused when the concentration of volatile organic compounds in indoor air is too high, mild people can have headache, dizziness, cough, nausea, vomiting or getting drunk, serious people can have liver poisoning and even coma, and certain people can have life risks, so that the waste gas containing VOCs needs to be treated.

At present people when handling VOCs, retrieve the purification through the organic absorbent mode of active carbon board mostly, but, when active carbon board adsorption saturation, if not handle in time, then can influence the filter effect, it is incomplete to appear filtering, harmful gas exhaust polluted environment, but directly change the active carbon board and can waste the material again, increase the filtration cost, consequently, now propose an absorption recovery unit who purifies VOCs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an adsorption recovery device for purifying VOCs.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an adsorption recovery device for purifying VOCs comprises a cylindrical filter bin which is horizontally arranged, a semi-cylindrical heat treatment bin is horizontally welded at the lower part of one vertical side of the filter bin, the heat treatment bin is communicated with the inside of the filter bin, a wind collecting cover is horizontally welded at the upper part of one side of the filter bin, the wind collecting cover is communicated with the inside of the filter bin, an outlet pipe is horizontally inserted at the upper part of one side of the filter bin, which is far away from the wind collecting cover, a hot air pipe is horizontally inserted at the lower part of one side of the filter bin, a recovery pipe is horizontally inserted at the lower part of one side of the filter bin, which is far away from the hot air pipe, a transmission shaft is horizontally and coaxially connected between the inner walls of the two vertical sides of the filter bin in a rotating way, partition plates are horizontally welded at both sides of the horizontal direction of the transmission shaft, two mounting strips are vertically welded at both sides of the vertical direction of the transmission shaft, and the same active carbon plate is vertically and slidably arranged between the two relatively close mounting strips, the activated carbon plate is relatively close to the lower parts of the two sides and is far away from one end of the heat treatment bin, the activated carbon plate is horizontally inserted and fixed with a bolt, the two relatively close mounting bars are relatively close to the two sides and are respectively provided with a sliding groove along the length direction of the mounting bars, the two relatively close mounting bars are respectively arranged in the two relatively close sliding grooves in a sliding manner, a driving assembly for driving the transmission shaft to rotate is arranged on one side of the heat treatment bin, and a pulling assembly for pulling one of the activated carbon plates is arranged in the heat treatment bin.

Preferably, the drive assembly includes the L shape support of filtration storehouse one side one end welded is kept away from to the thermal treatment storehouse, and the L shape support is kept away from filtration storehouse one side one end horizontal bolt and is fixed with first motor, the transmission shaft passes L shape support both sides outer wall and first motor output end key-type connection near thermal treatment storehouse one end.

Preferably, the pulling assembly comprises a bolt rod which is horizontally screwed at the middle position of one side of the heat treatment bin, which is far away from the filter bin, one end of the bolt rod penetrates through the outer walls of two sides of the L-shaped support and is screwed with the L-shaped support, a second motor is fixed on the lower horizontal bolt of one side of the L-shaped support, which is far away from the heat treatment bin, one end of the L-shaped support, which is far away from the first motor, the output end of the second motor penetrates through the outer walls of two sides of the L-shaped support and is in key connection with a second gear, a first gear is sleeved at the position of one side of the bolt rod, which is close to the L-shaped support and is far away from the second motor, the first gear is in threaded connection with the bolt rod, the first gear is meshed with the second gear, one end of the bolt rod, which is far away from the second motor, penetrates through the heat treatment bin, and is fixed with an electromagnet, magnetic blocks are embedded at the middle positions of one sides, which are close to the bolt rod, of two activated carbon plates, which are close to the middle position of the bolt rod, and are matched with the electromagnet, the lower part of the bolt rod is close to one end of the electromagnet, and is vertically welded with a limiting strip, a strip-shaped groove is formed in the bottom surface of the interior of the heat treatment bin along the length direction of the bottom surface, and one end, far away from the bolt rod, of the limiting strip is slidably arranged at one end of the strip-shaped groove.

Preferably, the pulling assembly comprises a cylinder fixed by a horizontal bolt at the middle position of the lower part of one side of the heat treatment bin and far away from the L-shaped support, an electromagnet fixed by a bolt at one side of the heat treatment bin and far away from the L-shaped support is penetrated by the output end of the cylinder, a magnetic block is embedded in the middle position of one side of the activated carbon plate close to the bolt rod, and the magnetic block is matched with the electromagnet.

Preferably, the end, far away from the filter bin, of the air collecting cover is communicated with the waste gas discharge pipeline, the end, far away from the heat treatment bin, of the hot air pipe is provided with the hot air blower, and the end, far away from the heat treatment bin, of the recovery pipe is connected with the combustion treatment equipment.

Preferably, the equal electric connection of first motor, second motor, electro-magnet has the switch, and the switch even has the power cord, the cylinder tube coupling has the air pump, it has the landing leg all to cross the equal vertical welding in filter bin lower part both ends.

The utility model has the beneficial effects that:

1. through the transmission shaft that rotates the setting at the inside level of filtration storehouse, and handle the activated carbon plate that slides the setting in the perpendicular both sides of transmission shaft, and at transmission shaft horizontal direction both sides level welded baffle, make when one of them activated carbon plate adsorbs saturation, drive first motor drives the transmission shaft and rotates one hundred eighty degrees, make the unused activated carbon plate of lower part turn to the upper end and continue to filter the operation, the activated carbon plate of the adsorption saturation on upper portion changes to the lower part, once accomplish the change of activated carbon plate and use, the operation does not stop, and the efficiency of filtration is improved, harmful gas's effective filtration has been guaranteed.

2. Through the heat treatment storehouse at filtration storehouse one end horizontally connect, keep away from in the heat treatment storehouse and filter the outside pulling subassembly that sets up the one of them saturated activated carbon plate that is located filtration storehouse lower part of filter storehouse one side, the cooperation is carried out high temperature at the hot-blast main that filter storehouse and heat treatment storehouse junction one side level set up and is bloied the processing to it, make the adsorbate desorption on its surface and get into combustion apparatus through the recovery tube and carry out final combustion processing, the heat treatment of activated carbon plate has been realized, make it possess the adsorption efficiency once more, treat after the activated carbon plate adsorption saturation on upper portion, turn to upper portion once more and replace, be different from traditional direct change activated carbon plate, material saving more of this device, reduce filtering cost.

Drawings

FIG. 1 is a schematic perspective view of an adsorption recovery device for purifying VOCs according to the present invention;

FIG. 2 is a schematic sectional view of an elevational view of an adsorptive recovery unit for purifying VOCs according to the present invention;

FIG. 3 is a schematic perspective view of an activated carbon plate of an adsorption recovery device for purifying VOCs according to the present invention;

FIG. 4 is a schematic plan sectional view of the adsorption recovery device of embodiment 1 for purifying VOCs according to the present invention;

fig. 5 is a schematic structural diagram of an embodiment 2 of the adsorption recovery device for purifying VOCs according to the present invention.

In the figure: 1 filtering bin, 2 heat treatment bin, 3 supporting legs, 4 transmission shafts, 5L-shaped bracket, 6 first motor, 7 bolt bar, 8 second motor, 9 hot air pipe, 10 air collecting cover, 11 air outlet pipe, 12 recovery pipe, 13 clapboard, 14 active carbon plate, 15 mounting bar, 16 magnetic block, 17 first gear, 18 second gear, 19 spacing bar, 20 electromagnet, 21 cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-4, an adsorption recovery device for purifying VOCs comprises a horizontally arranged cylindrical filter bin 1, a semi-cylindrical heat treatment bin 2 is horizontally welded at the lower part of one vertical side of the filter bin 1, the heat treatment bin 2 is communicated with the interior of the filter bin 1, a wind collecting cover 10 is horizontally welded at the upper part of one side of the filter bin 1, the wind collecting cover 10 is communicated with the interior of the filter bin 1, an air outlet pipe 11 is horizontally inserted at the upper part of one side of the filter bin 1, which is far away from the air outlet pipe 11, a hot air pipe 9 is horizontally inserted at the lower part of one side of the filter bin 1, which is far away from the hot air pipe 9, a recovery pipe 12 is horizontally inserted at the lower part of one side of the filter bin 1, a transmission shaft 4 is horizontally and coaxially connected between the inner walls of the vertical sides of the filter bin 1 in a rotating manner, partition plates 13 are horizontally welded at both sides of the horizontal direction of the transmission shaft 4, and two mounting strips 15 are vertically welded at both sides of the vertical direction of the transmission shaft 4, perpendicular slip is equipped with same activated carbon plate 14 between two mounting bars 15 that are close to relatively, activated carbon plate 14 is close to the both sides lower part relatively and keeps away from the equal level of 2 one ends in heat treatment storehouse and inserts and establish and be fixed with the bolt, two mounting bars 15 that are close to relatively are close to both sides and all open along its length direction and have the spout, and two bolt both ends that are close to relatively all slide locate two spout that are close to relatively, heat treatment storehouse 2 one side is equipped with the rotatory drive assembly of drive transmission shaft 4, be equipped with the pulling subassembly that stimulates one of them activated carbon plate 14 in the heat treatment storehouse 2.

In the utility model, a driving assembly comprises an L-shaped bracket 5 welded at one end of one side of a heat treatment bin 2 far away from a filter bin 1, a first motor 6 is fixed at one end of the L-shaped bracket 5 far away from one side of the filter bin 1 through a horizontal bolt, one end of a transmission shaft 4 close to the heat treatment bin 2 penetrates through the outer walls of two sides of the L-shaped bracket 5 to be connected with the output end of the first motor 6, a pulling assembly comprises a bolt rod 7 horizontally connected with the middle position of one side of the heat treatment bin 2 far away from the filter bin 1 through a thread, one end of the bolt rod 7 penetrates through the outer walls of two sides of the L-shaped bracket 5 to be connected with the bolt rod through the outer walls of two sides of the L-shaped bracket 5, a second motor 8 is fixed at the lower part of one side of the L-shaped bracket 5 far away from the first motor 6 through a horizontal bolt, the output end of the second motor 8 penetrates through the outer walls of two sides of the L-shaped bracket 5 to be connected with a second gear 18, a first gear 17 is sleeved on the bolt rod 7 close to one side of the L-shaped bracket 5 far away from the second motor 8, a first gear 17 is in threaded connection with a bolt rod 7, the first gear 17 is meshed with a second gear 18, one end of the bolt rod 7, far away from a second motor 8, penetrates through a heat treatment bin 2 and is fixedly provided with an electromagnet 20 through a bolt at one side far away from an L-shaped support 5, magnetic blocks 16 are embedded in the middle position of one side, close to the bolt rod 7, of two activated carbon plates 14, the two magnetic blocks 16 are matched with the electromagnet 20, a limiting strip 19 is vertically welded at one end, close to the electromagnet 20, of the lower portion of the bolt rod 7, the bottom surface inside the heat treatment bin 2 is provided with a strip-shaped groove along the length direction, one end, far away from the bolt rod 7, of the limiting strip 19 is slidably arranged at one end in the strip-shaped groove, one end, far away from a filter bin 1, of a wind collecting cover 10 is communicated with a waste gas discharge pipeline, one end, far away from the heat treatment bin 2, of a hot air pipe 9 is provided with a hot air blower, one end, far away from the heat treatment bin 2, a recovery pipe 12 is connected with combustion treatment equipment, the first motor 6, the second motor 8 and the recovery pipe are arranged in a heat treatment equipment, The equal electrically connected of electro-magnet 20 has the switch, and the switch even has the power cord, and cylinder 21 tube coupling has the air pump, filters 1 lower part both ends and all has landing leg 3 in the vertical welding.

The working principle of the embodiment is as follows: when the device is used, waste gas enters the filtering bin 1 from the air collecting cover 10 at the upper part of one side of the filtering bin 1, the waste gas is filtered and adsorbed by one of the activated carbon plates 14 at the upper part, clean air is discharged from the air outlet pipe 11 at the upper part of the other side, when the adsorption of one of the activated carbon plates 14 at the upper part tends to saturation, the first motor 6 is started to drive the transmission shaft 4 to rotate by one hundred eighty degrees, so that the activated carbon plate 14 at the upper part rotates to the lower part, the activated carbon plate 14 at the lower part rotates to the upper part to continue filtering operation without influencing the filtering operation, and further, the hot air pipe 9 blows high-temperature hot air to the activated carbon plate 14 at the lower part to separate adsorbates, and the adsorbates are recycled by the recycling pipe 12 at the other side to enter combustion equipment for combustion treatment, because the hot air pipe 9 can only aim at one end of the activated carbon plate 14 to blow air, and the other end of the activated carbon plate 14 can not completely desorb the adsorbates, at the moment, only the electromagnet 20 needs to be electrified, the first gear 17 is connected to the bolt rod 7 in a threaded manner, and the bolt rod 7 is driven to horizontally move backwards under the limitation of the limiting strip 19, so that the horizontal movement of the activated carbon plate 14 at the lower part is realized, the surface of the activated carbon plate 14 at the lower part is enabled to uniformly receive the air blown by the hot air pipe 9, and finally the desorption of the activated carbon plate 14 at the lower part is realized, so that the activated carbon plate has the adsorption performance again, and the next replacement of the activated carbon plate 14 at the upper part is waited.

Example 2

Referring to fig. 1-3 and 5, an adsorption recovery device for purifying VOCs comprises a horizontally arranged cylindrical filter bin 1, a semi-cylindrical heat treatment bin 2 is horizontally welded at the lower part of one vertical side of the filter bin 1, the heat treatment bin 2 is communicated with the interior of the filter bin 1, a wind collecting cover 10 is horizontally welded at the upper part of one side of the filter bin 1, the wind collecting cover 10 is communicated with the interior of the filter bin 1, an air outlet pipe 11 is horizontally inserted at the upper part of one side of the filter bin 1, which is far away from the wind outlet pipe 11, a hot air pipe 9 is horizontally inserted at the lower part of one side of the filter bin 1, which is far away from the hot air pipe 9, a recovery pipe 12 is horizontally inserted at the lower part of one side of the filter bin 1, a transmission shaft 4 is horizontally and coaxially and rotatably connected between the inner walls of the vertical sides of the filter bin 1, a partition plate 13 is horizontally welded at both sides of the transmission shaft 4, and two mounting strips 15 are vertically welded at both sides of the vertical direction of the transmission shaft 4, perpendicular slip is equipped with same activated carbon plate 14 between two mounting bars 15 that are close to relatively, activated carbon plate 14 is close to the equal level of 2 one ends in heat treatment storehouse of keeping away from relatively both sides lower part and is established and be fixed with the bolt, two mounting bars 15 that are close to relatively are close to both sides and all have opened along its length direction and have the spout, and two bolt both ends that are close to relatively all slide locate two spout that are close to relatively, heat treatment storehouse 2 one side is equipped with the rotatory drive assembly of drive transmission shaft 4, be equipped with the pulling subassembly that stimulates one of them activated carbon plate 14 in the heat treatment storehouse 2.

In the utility model, a driving component comprises an L-shaped bracket 5 welded at one end of one side of a heat treatment bin 2 far away from a filter bin 1, a first motor 6 is fixed at one end of the L-shaped bracket 5 far away from one side of the filter bin 1 through a horizontal bolt, one end of a transmission shaft 4 close to the heat treatment bin 2 penetrates through the outer walls of two sides of the L-shaped bracket 5 to be connected with an output end of the first motor 6, a pulling component comprises an air cylinder 22 fixed at the middle position of the lower part of one side of the L-shaped bracket 5 far away from the heat treatment bin 2 through a horizontal bolt, an electromagnet 20 is fixed at the output end of the air cylinder 22 penetrating through one side of the heat treatment bin 2 far away from the L-shaped bracket 5 through a bolt, magnetic blocks 16 are embedded at the middle position of one side of two activated carbon plates 14 close to a bolt rod 7, the two magnetic blocks 16 are matched with the electromagnet 20, one end of a wind collection cover 10 far away from the filter bin 1 is communicated with a waste gas discharge pipeline, and a hot air heater is installed at one end of a hot air pipe 9 far away from the heat treatment bin 2, the recovery tube 12 is kept away from 2 one ends in heat treatment storehouse and is connected the combustion processing equipment, and the equal electrically connected of first motor 6, second motor 8, electro-magnet 20 has the switch, and the switch even has the power cord, and cylinder 21 tube coupling has the air pump, and the equal vertical welding in filter bin 1 lower part both ends has landing leg 3.

The working principle of the embodiment is as follows: when the device is used, waste gas enters the filtering bin 1 from the air collecting cover 10 at the upper part of one side of the filtering bin 1, the waste gas is filtered and adsorbed by one of the activated carbon plates 14 at the upper part, clean air is discharged from the air outlet pipe 11 at the upper part of the other side, when the adsorption of one of the activated carbon plates 14 at the upper part tends to saturation, the first motor 6 is started to drive the transmission shaft 4 to rotate by one hundred eighty degrees, so that the activated carbon plate 14 at the upper part rotates to the lower part, the activated carbon plate 14 at the lower part rotates to the upper part to continue filtering operation without influencing the filtering operation, and further, the hot air pipe 9 blows high-temperature hot air to the activated carbon plate 14 at the lower part to separate adsorbates, and the adsorbates are recycled by the recycling pipe 12 at the other side to enter combustion equipment for combustion treatment, because the hot air pipe 9 can only aim at one end of the activated carbon plate 14 to blow air, and the other end of the activated carbon plate 14 can not completely desorb the adsorbates, at the moment, only the electromagnet 20 needs to be electrified, the magnetic block 16 on one side of the lower activated carbon plate 14 is attracted, the cylinder 21 is started, the output end of the cylinder 21 is driven to retract, the lower activated carbon plate 14 moves horizontally, the surface of the activated carbon plate is enabled to uniformly receive the air blown by the hot air pipe 9, and finally the desorption of the lower activated carbon plate 14 is realized, so that the activated carbon plate has the adsorption performance again, and the next replacement of the upper activated carbon plate 14 is waited.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An adsorption recovery device for purifying VOCs (volatile organic compounds), which comprises a cylindrical filter bin (1) horizontally arranged, and is characterized in that a semi-cylindrical heat treatment bin (2) is horizontally welded at the lower part of one vertical side of the filter bin (1), the heat treatment bin (2) is communicated with the inside of the filter bin (1), a wind collecting cover (10) is horizontally welded at the upper part of one side of the filter bin (1), the wind collecting cover (10) is communicated with the inside of the filter bin (1), an air outlet pipe (11) is horizontally inserted at the upper part of one side of the filter bin (1) far away from the wind collecting cover (10), a hot air pipe (9) is horizontally inserted at the lower part of one side of the filter bin (1) far away from the air outlet pipe (11), a recovery pipe (12) is horizontally inserted at the lower part of one side of the filter bin (1) far away from the hot air pipe (9), and a transmission shaft (4) is horizontally and coaxially rotatably connected between the inner walls of two vertical sides of the filter bin (1), and the equal horizontal welding in transmission shaft (4) horizontal direction both sides has baffle (13), and the equal vertical welding in transmission shaft (4) vertical direction both sides has two mounting bars (15), two are close to relatively vertical slip is equipped with same activated carbon plate (14) between mounting bar (15), activated carbon plate (14) are close to both sides lower part relatively and keep away from the equal level of heat treatment storehouse (2) one end and insert and establish and be fixed with the bolt, two are close to relatively mounting bar (15) are close to both sides relatively and all open along its length direction and have the spout, and two are close to relatively the bolt both ends all slide and locate two and be close to relatively in the spout, heat treatment storehouse (2) one side is equipped with the rotatory drive assembly of drive transmission shaft (4), be equipped with the pulling subassembly that stimulates one of them activated carbon plate (14) in heat treatment storehouse (2).

2. The device for adsorbing and recovering the VOCs according to claim 1, wherein the driving assembly comprises an L-shaped bracket (5) welded to one end of the heat treatment bin (2) far away from the filtering bin (1), a first motor (6) is horizontally fixed to one end of the L-shaped bracket (5) far away from the filtering bin (1), and one end of the transmission shaft (4) close to the heat treatment bin (2) penetrates through outer walls of two sides of the L-shaped bracket (5) to be in key connection with an output end of the first motor (6).

3. The device for adsorbing and recovering VOCs (volatile organic compounds) in accordance with claim 2, wherein the pulling assembly comprises a bolt bar (7) horizontally screwed at a middle position of one side of the heat treatment bin (2) far away from the filter bin (1), one end of the bolt bar (7) penetrates through outer walls of two sides of the L-shaped bracket (5) to be screwed therewith, a second motor (8) is horizontally screwed at a lower part of one end of the L-shaped bracket (5) far away from the first motor (6), an output end of the second motor (8) penetrates through outer walls of two sides of the L-shaped bracket (5) to be connected with a second gear (18), a first gear (17) is sleeved on one side of the bolt bar (7) close to the L-shaped bracket (5) far away from the second motor (8), the first gear (17) is screwed with the bolt bar (7), and the first gear (17) is meshed with the second gear (18), bolt bar (7) are kept away from second motor (8) one end and are passed heat treatment storehouse (2) and keep away from L shape support (5) one side bolt fastening and have electro-magnet (20), two active carbon board (14) are close to the equal embedded magnetic block (16) of installing of bolt bar (7) one side intermediate position department, two magnetic block (16) all with electro-magnet (20) looks adaptation, bolt bar (7) lower part is close to electro-magnet (20) one end vertical welding and has been connected spacing strip (19), open along its length direction in the inside bottom surface of heat treatment storehouse (2) has the bar groove, and spacing strip (19) keep away from bolt bar (7) one end and slide and locate bar inslot one end.

4. The device of claim 3, wherein the pulling assembly comprises a cylinder (21) horizontally bolted to the lower middle position of the side of the L-shaped bracket (5) far away from the heat treatment bin (2), an electromagnet (20) is bolted to the side of the cylinder (21) far away from the L-shaped bracket (5) through the heat treatment bin (2), magnetic blocks (16) are embedded in the middle positions of the two activated carbon plates (14) near the bolt rod (7), and the two magnetic blocks (16) are matched with the electromagnet (20).

5. An adsorption recovery device for purifying VOCs according to claim 1, wherein an end of the air collecting cover (10) away from the filtering chamber (1) is communicated with the exhaust gas exhaust pipe, an end of the hot air pipe (9) away from the heat treatment chamber (2) is provided with a hot air blower, and an end of the recovery pipe (12) away from the heat treatment chamber (2) is connected with a combustion treatment device.

6. The device according to claim 4, wherein the first motor (6), the second motor (8) and the electromagnet (20) are electrically connected with a switch, the switch is connected with a power line, the cylinder (21) is connected with an air pump through a pipeline, and the support legs (3) are vertically welded at two ends of the lower part of the filter bin (1).