CN215560487U - Environment-friendly heat treatment device - Google Patents
Environment-friendly heat treatment device Download PDFInfo
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- CN215560487U CN215560487U CN202121682698.1U CN202121682698U CN215560487U CN 215560487 U CN215560487 U CN 215560487U CN 202121682698 U CN202121682698 U CN 202121682698U CN 215560487 U CN215560487 U CN 215560487U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model belongs to the technical field of heat treatment, and particularly relates to an environment-friendly heat treatment device, which comprises a heat treatment furnace; the flue gas outlet of the heat treatment furnace is communicated with one end of the air passage, a control valve is arranged in the flue gas outlet of the heat treatment furnace, one end of the air passage far away from the heat treatment furnace is communicated with the drying box, and the drying box is also communicated with an exhaust pipe; the pipeline of the air passage is sequentially communicated with a heat exchanger, a first fan, a dust collection box, an electrostatic adsorption box, a second fan and a spraying box from the heat treatment furnace to the drying box. Before the flue gas exhausted by the heat treatment furnace is purified, the flue gas is firstly introduced into the heat exchanger, so that the flue gas waste heat can be utilized, and the temperature of the flue gas can be reduced to prevent the high-temperature flue gas from damaging the flue gas purification device. The dust collection box can filter out large-particle-size dust in the flue gas, the flue gas from which the large-particle-size dust is removed is introduced into the electrostatic adsorption box to remove small-particle-size dust, and the dust in the flue gas is removed in two steps, so that the flue gas dust removal efficiency can be improved. The spraying liquid in the spraying box reacts with pollutants in the flue gas and absorbs the pollutants, so that the content of the pollutants in the flue gas can be reduced. The utility model has reasonable structure, fully utilizes the waste heat in the flue gas discharged by the heat treatment furnace, can efficiently filter the dust in the flue gas, and effectively absorbs pollutants in the flue gas at the same time, so that the flue gas reaches the emission standard.
Description
Technical Field
The utility model belongs to the technical field of heat treatment, and particularly relates to an environment-friendly heat treatment device.
Background
Heat treatment refers to a process of heating a metal workpiece to a certain temperature, keeping the temperature for a period of time, cooling at different cooling rates, and controlling the performance of the metal workpiece by changing the microstructure of the surface or the interior of the metal material. The flue gas generated by the heat treatment needs to be purified before being discharged, otherwise, the environment is polluted.
In the prior art, the flue gas purification effect generated by heat treatment is not good; and the waste heat of the flue gas can not be utilized, thereby causing the waste of heat energy.
Disclosure of Invention
The utility model provides an environment-friendly heat treatment device in order to solve the problems that the flue gas purification effect generated by heat treatment is poor and the flue gas waste heat cannot be utilized in the prior art.
The utility model is realized by the following technical scheme:
an environment-friendly heat treatment device comprises a heat treatment furnace; the flue gas outlet of the heat treatment furnace is communicated with one end of the air passage, a control valve is arranged in the flue gas outlet of the heat treatment furnace, one end of the air passage far away from the heat treatment furnace is communicated with the drying box, and the drying box is also communicated with the exhaust pipe; the pipeline of the air passage is communicated with a heat exchanger, a first fan, a dust collection box, an electrostatic adsorption box, a second fan and a spraying box in sequence from the heat treatment furnace to the drying box; the heat exchanger is provided with a medium inlet and a medium outlet; the left side wall of the electrostatic adsorption box and the right side wall of the electrostatic adsorption box are respectively communicated with an air passage, the outer side of the bottom wall of the electrostatic adsorption box is detachably connected with a collection box, and the collection box is communicated with the inner cavity of the electrostatic adsorption box; the electrostatic adsorption box is internally provided with an electrostatic adsorption net, the top end of the electrostatic adsorption net is connected with the top wall of the electrostatic adsorption box, and the bottom end of the electrostatic adsorption net is inserted into the collection box and is contacted with the bottom wall of the collection box; the electrostatic adsorption tank top wall outside installation electric putter of electrostatic adsorption net one side, electric putter's push rod end passes the electrostatic adsorption tank top wall and stretches into the electrostatic adsorption tank inner chamber, electric putter's push rod end-to-end connection brush, the brush head and the electrostatic adsorption net contact of brush.
Furthermore, a filter screen is detachably and transversely arranged in the dust collection box; a dust collection box air inlet is formed in the left side wall of the dust collection box below the filter screen and communicated with a first fan through an air passage; the top wall of the dust collection box is provided with a dust collection box exhaust port which is communicated with the electrostatic adsorption box through an air passage; and a dust collecting box door is arranged on the right side wall of the dust collecting box below the filter screen.
Furthermore, an electrostatic generator is arranged on the outer side of the top wall of the electrostatic adsorption box and electrically connected with an electrostatic adsorption net.
Further, a spray pipe is arranged in the spray box and is communicated with a plurality of spray heads; the spraying pipe is communicated with one end of the liquid sending pipe, which is far away from the spraying pipe, is communicated with the liquid storage tank, and a pipeline of the liquid sending pipe is communicated with the lifting pump; a liquid collecting pool is arranged in the spray box below the spray pipe and communicated with a liquid discharge pipe; the top wall of the spraying box is provided with a spraying box air inlet which is communicated with a second fan through an air passage; and a spray box exhaust port is arranged on the right side wall of the spray box above the liquid collecting pool and is communicated with the drying box through an air passage.
Compared with the prior art, the utility model has the following beneficial effects:
1. before the flue gas exhausted by the heat treatment furnace is purified, the flue gas is firstly introduced into the heat exchanger, so that the waste heat of the flue gas can be utilized, and the temperature of the flue gas can be reduced to prevent the high-temperature flue gas from damaging the flue gas purification device.
2. The dust collection box can filter out large-particle-size dust in smoke, the smoke from which the large-particle-size dust is removed is introduced into the electrostatic adsorption box to remove small-particle-size dust, and the dust in the smoke is removed in two steps, so that the smoke dust removal efficiency can be improved.
3. The spraying liquid in the spraying box reacts with pollutants in the flue gas and absorbs the pollutants, so that the content of the pollutants in the flue gas can be reduced, and the flue gas reaches the emission standard.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of an electrostatic adsorption tank and related components thereof according to the present invention.
Fig. 3 is a schematic structural view of the spray box and its associated components of the present invention.
In the figure, 1 heat treatment furnace, 2 air passages, 3 heat exchangers, 4 first fans, 5 dust boxes, 6 electrostatic adsorption boxes, 7 second fans, 8 spray boxes, 9 drying boxes, 10 exhaust pipes, 11 medium inlets, 12 medium outlets, 13 filter screens, 14 dust box doors, 15 collection boxes, 16 electrostatic adsorption nets, 17 electrostatic generators, 18 electric push rods, 19 brushes, 20 spray pipes, 21 spray heads, 22 liquid conveying pipes, 23 liquid storage tanks, 24 lifting pumps, 25 liquid collection tanks and 26 liquid discharge pipes.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only terms of relationships determined for convenience in describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any parts or elements of the present invention, and are not to be construed as limiting the present invention.
Fig. 1-3 illustrate an embodiment of the present invention. This embodiment includes a heat treatment furnace 1; a flue gas outlet of the heat treatment furnace 1 is communicated with one end of the air passage 2, a control valve is arranged in the flue gas outlet of the heat treatment furnace 1, one end of the air passage 2, far away from the heat treatment furnace 1, is communicated with a drying box 9, and the drying box 9 is also communicated with an exhaust pipe 10; the pipeline of the air flue 2 is communicated with a heat exchanger 3, a first fan 4, a dust collection box 5, an electrostatic adsorption box 6, a second fan 7 and a spraying box 8 in sequence from the heat treatment furnace 1 to the direction of a drying box 9. Flue gas exhausted by the heat treatment furnace 1 enters the air flue 2 from a flue gas outlet of the heat treatment furnace 1 and sequentially flows through the heat exchanger 3, the first fan 4, the dust collection box 5, the electrostatic adsorption box 6, the second fan 7, the spraying box 8 and the drying box 9, wherein the first fan 4 and the second fan 7 can accelerate the flow speed of the flue gas, and a drying agent is filled in the drying box 9; the flue gas after the purification is discharged from the exhaust pipe 10.
The heat exchanger 3 is provided with a medium inlet 11 and a medium outlet 12. The heat exchange medium enters the heat exchanger 3 through the medium inlet 11, and the heat exchange medium absorbs heat carried by the flue gas and then is discharged out of the heat exchanger 3 through the medium outlet 12.
A filter screen 13 is detachably and transversely arranged in the dust collection box 5; the left side wall of the dust collection box 5 below the filter screen 13 is provided with an air inlet of the dust collection box 5, and the air inlet of the dust collection box 5 is communicated with the first fan 4 through an air passage 2; the top wall of the dust collection box 5 is provided with an exhaust port of the dust collection box 5, and the exhaust port of the dust collection box 5 is communicated with the electrostatic adsorption box 6 through the air passage 2; a dust box door 14 is arranged on the right side wall of the dust box 5 below the filter screen 13. The filter screen 13 in the dust collection box 5 filters the dust with large particle size in the flue gas and makes the dust with large particle size settle at the bottom of the dust collection box 5. After the operation of the embodiment for a period of time, the control valve, the first fan 4 and the second fan 7 in the flue gas outlet of the heat treatment furnace 1 are closed, and then the dust collecting box door 14 is opened to clean the dust accumulated at the bottom of the dust collecting box 5; at the same time, the filter screen 13 can be inserted for cleaning or replacement.
The left side wall of the electrostatic adsorption box 6 and the right side wall of the electrostatic adsorption box 6 are respectively communicated with the air passage 2, the outer side of the bottom wall of the electrostatic adsorption box 6 is detachably connected with a collection box 15, and the collection box 15 is communicated with the inner cavity of the electrostatic adsorption box 6; an electrostatic adsorption net 16 is arranged in the electrostatic adsorption box 6, the top end of the electrostatic adsorption net 16 is connected with the top wall of the electrostatic adsorption box 6, and the bottom end of the electrostatic adsorption net 16 is inserted into the collection box 15 and is contacted with the bottom wall of the collection box 15; an electric push rod 18 is arranged on the outer side of the top wall of the electrostatic adsorption box 6 on one side of the electrostatic adsorption net 16, the tail end of a push rod of the electric push rod 18 penetrates through the top wall of the electrostatic adsorption box 6 and extends into the inner cavity of the electrostatic adsorption box 6, the tail end of the push rod of the electric push rod 18 is connected with a brush 19, and a brush head of the brush 19 is in contact with the electrostatic adsorption net 16. And an electrostatic generator 17 is arranged on the outer side of the top wall of the electrostatic adsorption box 6, and the electrostatic generator 17 is electrically connected with the electrostatic adsorption net 16. The electrostatic generator 17 is operated to make the electrostatic adsorption net 16 charged with static electricity, and the electrostatic adsorption net 16 can adsorb small-particle-size dust in the flue gas; after the electrostatic adsorption net 16 works for a period of time, closing the control valve, the first fan 4 and the second fan 7 in the flue gas outlet of the heat treatment furnace 1, stopping running the electrostatic generator 17, and then starting the electric push rod 18 to drive the brush 19 to clean the dust adsorbed on the surface of the electrostatic adsorption net 16; the dust falling off from the electrostatic adsorption net 16 falls into the collection box 15, and the collection box 15 is detached from the bottom wall of the electrostatic adsorption tank 6 to remove the dust in the collection box 15.
A spray pipe 20 is arranged in the spray box 8, and the spray pipe 20 is communicated with a plurality of spray heads 21; the spraying pipe 20 is communicated with one end of a liquid sending pipe 22, one end of the liquid sending pipe 22, which is far away from the spraying pipe 20, is communicated with a liquid storage tank 23, and a pipeline of the liquid sending pipe 22 is communicated with a lifting pump 24; a liquid collecting pool 25 is arranged in the spray box 8 below the spray pipe 20, and the liquid collecting pool 25 is communicated with a liquid discharge pipe 26; the top wall of the spray box 8 is provided with a spray box 8 air inlet, and the spray box 8 air inlet is communicated with a second fan 7 through an air passage 2; the 8 right side walls of the spraying box 8 above the liquid collecting pool 25 are provided with 8 air outlets of the spraying box, and the 8 air outlets of the spraying box are communicated with the drying box 9 through the air passage 2. The lift pump 24 pumps the spray liquid in the liquid storage tank 23 into the spray pipe 20, the spray liquid is atomized through the spray head 21 and sprayed into the spray box 8, and the spray liquid reacts with pollutants in the flue gas and absorbs the pollutants to reduce the content of the pollutants in the flue gas; the spray liquid after the reaction falls into the liquid collecting tank 25 and is discharged out of the spray box 8 through the liquid discharge pipe 26.
When the heat treatment furnace is used, the flue gas discharged from the heat treatment furnace 1 is subjected to heat exchange with a heat exchange medium in the heat exchanger 3, and the heat exchange medium discharged from the heat exchanger 3 can be used for preheating a workpiece needing heat treatment; the low-temperature flue gas discharged from the heat exchanger 3 is introduced into a dust collection box 5 along the air passage 2 to filter out large-particle-size dust in the flue gas, the flue gas from which the large-particle-size dust is removed is introduced into an electrostatic adsorption box 6 to remove small-particle-size dust, and the dust in the flue gas is removed in two steps, so that the flue gas dust removal efficiency can be improved; the flue gas after dust removal is introduced into the spraying box 8, and the spraying liquid reacts with pollutants in the flue gas and absorbs the pollutants, so that the content of the pollutants in the flue gas can be reduced, and the flue gas reaches the emission standard; the flue gas discharged from the shower box 8 is dehumidified by the desiccant in the drying box 9 and then discharged from the exhaust pipe 10.
Claims (4)
1. An environment-friendly heat treatment device comprises a heat treatment furnace (1), and is characterized in that: a flue gas outlet of the heat treatment furnace (1) is communicated with one end of the air passage (2), a control valve is arranged in the flue gas outlet of the heat treatment furnace (1), one end, far away from the heat treatment furnace (1), of the air passage (2) is communicated with the drying box (9), and the drying box (9) is also communicated with the exhaust pipe (10); the pipeline of the air flue (2) is communicated with a heat exchanger (3), a first fan (4), a dust collection box (5), an electrostatic adsorption box (6), a second fan (7) and a spraying box (8) in sequence from the heat treatment furnace (1) to the direction of a drying box (9); the heat exchanger (3) is provided with a medium inlet (11) and a medium outlet (12); the left side wall of the electrostatic adsorption box (6) is communicated with the right side wall of the electrostatic adsorption box (6) through an air passage (2), the outer side of the bottom wall of the electrostatic adsorption box (6) is detachably connected with a collection box (15), and the collection box (15) is communicated with the inner cavity of the electrostatic adsorption box (6); an electrostatic adsorption net (16) is arranged in the electrostatic adsorption box (6), the top end of the electrostatic adsorption net (16) is connected with the top wall of the electrostatic adsorption box (6), and the bottom end of the electrostatic adsorption net (16) is inserted into the collection box (15) and is contacted with the bottom wall of the collection box (15); an electric push rod (18) is arranged on the outer side of the top wall of the electrostatic adsorption box (6) on one side of the electrostatic adsorption net (16), the tail end of the push rod of the electric push rod (18) penetrates through the top wall of the electrostatic adsorption box (6) and extends into the inner cavity of the electrostatic adsorption box (6), the tail end of the push rod of the electric push rod (18) is connected with a brush (19), and the brush head of the brush (19) is in contact with the electrostatic adsorption net (16).
2. The environment-friendly heat treatment apparatus as set forth in claim 1, wherein: a filter screen (13) is detachably and transversely arranged in the dust collection box (5); the left side wall of the dust collection box (5) below the filter screen (13) is provided with an air inlet of the dust collection box (5), and the air inlet of the dust collection box (5) is communicated with the first fan (4) through an air passage (2); the top wall of the dust collection box (5) is provided with an exhaust port of the dust collection box (5), and the exhaust port of the dust collection box (5) is communicated with the electrostatic adsorption box (6) through the air passage (2); and a dust box door (14) is arranged on the right side wall of the dust box (5) below the filter screen (13).
3. The environment-friendly heat treatment apparatus as set forth in claim 1, wherein: and an electrostatic generator (17) is arranged on the outer side of the top wall of the electrostatic adsorption box (6), and the electrostatic generator (17) is electrically connected with the electrostatic adsorption net (16).
4. The environment-friendly heat treatment apparatus as set forth in claim 1, wherein: a spray pipe (20) is arranged in the spray box (8), and the spray pipe (20) is communicated with a plurality of spray heads (21); the spraying pipe (20) is communicated with one end of a liquid sending pipe (22), one end, far away from the spraying pipe (20), of the liquid sending pipe (22) is communicated with a liquid storage tank (23), and a pipeline of the liquid sending pipe (22) is communicated with a lifting pump (24); a liquid collecting pool (25) is arranged in the spray box (8) below the spray pipe (20), and the liquid collecting pool (25) is communicated with a liquid discharge pipe (26); the top wall of the spraying box (8) is provided with a spraying box (8) air inlet, and the spraying box (8) air inlet is communicated with a second fan (7) through an air passage (2); the right side wall of the spray box (8) above the liquid collecting pool (25) is provided with a spray box (8) exhaust port, and the exhaust port of the spray box (8) is communicated with the drying box (9) through an air passage (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121682698.1U CN215560487U (en) | 2021-07-23 | 2021-07-23 | Environment-friendly heat treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121682698.1U CN215560487U (en) | 2021-07-23 | 2021-07-23 | Environment-friendly heat treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215560487U true CN215560487U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121682698.1U Active CN215560487U (en) | 2021-07-23 | 2021-07-23 | Environment-friendly heat treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215560487U (en) |
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2021
- 2021-07-23 CN CN202121682698.1U patent/CN215560487U/en active Active
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