CN104083893A - Charcoal kiln tail gas treatment device - Google Patents
Charcoal kiln tail gas treatment device Download PDFInfo
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- CN104083893A CN104083893A CN201410351453.9A CN201410351453A CN104083893A CN 104083893 A CN104083893 A CN 104083893A CN 201410351453 A CN201410351453 A CN 201410351453A CN 104083893 A CN104083893 A CN 104083893A
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- exhaust gas
- charcoal kiln
- processing device
- packing layer
- flue gas
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Abstract
The invention discloses a charcoal kiln tail gas treatment device. The charcoal kiln tail gas treatment device comprises a waste gas treating column, wherein the upper end and the lower end of the waste gas treating column are respectively provided with a waste gas outlet and a waste gas inlet; the waste gas inlet is communicated with a main flue gas pipeline of a charcoal kiln; the main flue gas pipeline is internally provided with a condenser; the condenser forms a circulating loop together with a cooling water tank, and is a spiral-pipe-shaped heat exchanger extending into the main flue gas pipeline; one end of the spiral-pipe-shaped heat exchanger is communicated with the cooling water tank by a cooling water circulation pump, and the other end of the spiral-pipe-shaped heat exchanger is communicated with the cooling water tank by a water pipe. The charcoal kiln tail gas treatment device provided by the invention can comprehensively treat various pollutants in waste gas, and can stably run for a long time.
Description
Technical field
The invention belongs to exhaust-gas treatment field, particularly relate to a kind of charcoal kiln exhaust gas processing device.
Background technology
In solid wood charcoal production process, can produce a large amount of flue gases, the little earth kiln of the many employings of conventional charcoal processing, flue gas is difficult to collect, thereby produces a large amount of pollutions.Platoon kiln improves to some extent than the little earth kiln of monomer, and toxic emission is more concentrated, easily collection and treatment.But still lack the treating apparatus for charcoal kiln waste gas at present.
Common platoon kiln has polychannel tunnel kiln side by side, cyclically in charging, smoulder, the duty such as cooling, discharging, the flue gas producing while smouldering discharges naturally by the steam vent at top, formation waste gas
Waste gas main source is VOC and the flue gas that timber high temperature volatilizes while smouldering, and has temperature higher, high humidity, the feature that dust is large.The timber VOC producing that smoulders can be divided into two large classes.One class is terpene and terpene compound, and its carbon skeleton can be regarded as multiple and the containing oxygen derivative thereof of isoprene.As A-Pinene, B-pinene, camphene, limonene, laurene etc.Another kind of is non-terpenes volatile matter, mostly is the organic acids such as formic acid, acetic acid and propionic acid, also comprises a small amount of pernicious gases such as formaldehyde, acetaldehyde and furfural.Because exhaust gas constituents is complicated, existing emission-control equipment is difficult to solve.
Summary of the invention
The object of the present invention is to provide a kind of charcoal kiln exhaust gas processing device, to overcome deficiency of the prior art.
For achieving the above object, the invention provides following technical scheme:
The embodiment of the invention discloses a kind of charcoal kiln exhaust gas processing device, comprise exhaust gas treating tower, the two ends up and down of described exhaust gas treating tower are respectively equipped with waste gas outlet and exhaust gas entrance, this exhaust gas entrance is communicated in the flue gas main pipeline of charcoal kiln, in described flue gas main pipeline, be provided with condenser, this condenser and cooling pond form a closed circuit, described condenser is the helix heat exchanger extending in flue gas main pipeline, one end of described helix heat exchanger is communicated in described cooling pond by cooling water circulating pump, the other end by cross current in described cooling pond.
Preferably, in above-mentioned charcoal kiln exhaust gas processing device, described flue gas main pipeline is obliquely installed, and the opening of its bottom is communicated with a condensate pit.
Preferably, in above-mentioned charcoal kiln exhaust gas processing device, described helix heat exchanger arranges near the top end opening place of described flue gas main pipeline.
Preferably, in above-mentioned charcoal kiln exhaust gas processing device, between described flue gas main pipeline and exhaust gas entrance, be provided with successively CO burning device, gas sampling cover and air-introduced machine.
Preferably, in above-mentioned charcoal kiln exhaust gas processing device, described CO burning device comprises spark arrester, burner and igniter.
Preferably, in above-mentioned charcoal kiln exhaust gas processing device, the inside of described exhaust gas treating tower has a flowing space, this flowing space is disposed with packing layer, demist layer and low-temperature plasma smoke abatement deodorizing device along exhaust gas flow direction, between described packing layer and demist layer, be formed with the first atomization space, in described the first atomization space, be provided with the first atomizer.
Preferably, in above-mentioned charcoal kiln exhaust gas processing device, the second packing layer that described packing layer comprises the first packing layer and is positioned at described the first packing layer top, between described the first packing layer and the second packing layer, be formed with the second atomization space, in described the second atomization space, be provided with the second atomizer.
Preferably, in above-mentioned charcoal kiln exhaust gas processing device, the bottom of the described flowing space is formed with a storage tank, the bottom of this storage tank is communicated in respectively described the first atomizer and the second atomizer by feeding spraying pump and pipeline, place, the top height of described storage tank is lower than described exhaust gas entrance place height, and described the first packing layer position is higher than described exhaust gas entrance.
Preferably, in above-mentioned charcoal kiln exhaust gas processing device, described charcoal kiln comprises a plurality of flues that are arranged side by side, and described a plurality of flues are communicated with described flue gas main pipeline respectively.
Compared with prior art, the invention has the advantages that: condenser is arranged in the flue gas main pipeline of inclination, the high-temperature flue gas tilted tube of postponing upwards flows naturally, be positioned at main pipeline inside spin tubulose heat exchanger cooling after, by the part low-boiling-point organic compound condensation in flue gas, formation has the wood tar of certain economic value, wooden vinegar, reclaims by being positioned at the condensate pit at inclination flue gas main pipeline bottom end opening place simultaneously.Waste gas from the discharge of flue gas main pipeline top end opening further purifies through CO burning device and exhaust gas treating tower, thereby realizes the overall treatment to various pollutants in waste gas.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Figure 1 shows that the structural representation of charcoal kiln exhaust gas processing device in the specific embodiment of the invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is described in detail, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.
Shown in ginseng Fig. 1, the top of charcoal kiln is set side by side with a plurality of flues 11, and the top of flue 11 is communicated with a flue gas main pipeline 12 jointly.Flue gas main pipeline 12 is obliquely installed, and it is in order to collecting from the waste gas of a plurality of flues 11, and high-temperature flue gas enters and prolongs tilted tube after flue gas main pipeline 12 and can naturally make progress and flow.
Charcoal kiln exhaust gas processing device comprises the condenser 211 being arranged in flue gas main pipeline 12, and condenser 211 forms a cooling closed circuit with cooling pond 212.Condenser 211 is for extending the helix heat exchanger in flue gas main pipeline 12, and helix heat exchanger arranges near the top end opening place of flue gas main pipeline 12.One end of spiral heat exchange device is communicated in cooling pond 212 by cooling water circulating pump 213, and the other end is communicated in cooling pond 212 by water pipe 214.
The bottom end opening of flue gas main pipeline 12 is communicated with a condensate pit 22, when high-temperature flue gas flows in flue gas main pipeline 12, cooling by the condenser 211 in flue gas main pipeline 12, by part low-boiling-point organic compound condensation in flue gas, formation has the wood tar of certain economic value, wooden vinegar, wood tar and wooden vinegar flow downward at the effect of the gravity flue gas main pipeline 12 of postponing, and the condensate pit 22 that is positioned at its bottom end opening place is collected.
Charcoal kiln exhaust gas processing device also comprises an exhaust gas treating tower 23, and the two ends up and down of exhaust gas treating tower 23 are respectively equipped with waste gas outlet 231 and exhaust gas entrance 232, and this exhaust gas entrance 232 is communicated with the top outlet of flue gas main pipeline 12.
The inside of exhaust gas treating tower 23 has a flowing space, this flowing space is interior along being disposed with the first packing layer 233, the second packing layer 234, demist layer 235 and low-temperature plasma smoke abatement deodorizing device 236 in exhaust gas flow direction, between the second packing layer 234 and demist layer 235, be formed with the first atomization space, in the first atomization space, be provided with the first atomizer 239, between the first packing layer 233 and the second packing layer 234, be formed with the second atomization space, in the second atomization space, be provided with the second atomizer 237.The bottom of the flowing space is formed with storage tank 238, and the bottom of storage tank 238 is communicated in respectively the first atomizer 236 and the second atomizer 237 by feeding spraying pump 240 and pipeline.Place, the top height of storage tank 238 is lower than exhaust gas entrance 232 place height, and the first packing layer 233 positions are higher than the height of exhaust gas entrance 232.
Between flue gas main pipeline 12 and exhaust gas entrance 232, be disposed with CO burning device 24, gas sampling cover 25 and air-introduced machine 26.
CO burning device 24 comprises spark arrester, burner and igniter, the organic compound combustion of the carbon monoxide in waste gas and part can be removed, waste gas after burning still contains smoke contamination and part residual organic matter, by gas sampling cover 25, collected, by air-introduced machine 26, send into exhaust gas treating tower and process.
In sum, charcoal kiln exhaust gas processing device of the present invention, can process the various pollutants in waste gas all sidedly, and can steady in a long-term move.
It should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The above is only the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a charcoal kiln exhaust gas processing device, it is characterized in that, comprise exhaust gas treating tower, the two ends up and down of described exhaust gas treating tower are respectively equipped with waste gas outlet and exhaust gas entrance, this exhaust gas entrance is communicated in the flue gas main pipeline of charcoal kiln, in described flue gas main pipeline, be provided with condenser, this condenser and cooling pond form a closed circuit, described condenser is the helix heat exchanger extending in flue gas main pipeline, one end of described helix heat exchanger is communicated in described cooling pond by cooling water circulating pump, the other end by cross current in described cooling pond.
2. charcoal kiln exhaust gas processing device according to claim 1, is characterized in that: described flue gas main pipeline is obliquely installed, and the opening of its bottom is communicated with a condensate pit.
3. charcoal kiln exhaust gas processing device according to claim 2, is characterized in that: described helix heat exchanger arranges near the top end opening place of described flue gas main pipeline.
4. charcoal kiln exhaust gas processing device according to claim 1, is characterized in that: between described flue gas main pipeline and exhaust gas entrance, be provided with successively CO burning device, gas sampling cover and air-introduced machine.
5. charcoal kiln exhaust gas processing device according to claim 4, is characterized in that: described CO burning device comprises spark arrester, burner and igniter.
6. charcoal kiln exhaust gas processing device according to claim 1, it is characterized in that: the inside of described exhaust gas treating tower has a flowing space, this flowing space is disposed with packing layer, demist layer and low-temperature plasma smoke abatement deodorizing device along exhaust gas flow direction, between described packing layer and demist layer, be formed with the first atomization space, in described the first atomization space, be provided with the first atomizer.
7. charcoal kiln exhaust gas processing device according to claim 6, it is characterized in that: the second packing layer that described packing layer comprises the first packing layer and is positioned at described the first packing layer top, between described the first packing layer and the second packing layer, be formed with the second atomization space, in described the second atomization space, be provided with the second atomizer.
8. charcoal kiln exhaust gas processing device according to claim 7, it is characterized in that: the bottom of the described flowing space is formed with a storage tank, the bottom of this storage tank is communicated in respectively described the first atomizer and the second atomizer by feeding spraying pump and pipeline, place, the top height of described storage tank is lower than described exhaust gas entrance place height, and described the first packing layer position is higher than described exhaust gas entrance.
9. charcoal kiln exhaust gas processing device according to claim 1, is characterized in that: described charcoal kiln comprises a plurality of flues that are arranged side by side, and described a plurality of flues are communicated with described flue gas main pipeline respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410351453.9A CN104083893A (en) | 2014-07-23 | 2014-07-23 | Charcoal kiln tail gas treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410351453.9A CN104083893A (en) | 2014-07-23 | 2014-07-23 | Charcoal kiln tail gas treatment device |
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| CN104083893A true CN104083893A (en) | 2014-10-08 |
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| CN201410351453.9A Pending CN104083893A (en) | 2014-07-23 | 2014-07-23 | Charcoal kiln tail gas treatment device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315530A (en) * | 2014-10-20 | 2015-01-28 | 陈云桥 | Purification device for harmless emission of industrial chimney |
| CN104515139A (en) * | 2015-01-14 | 2015-04-15 | 华能桐乡燃机热电有限责任公司 | High-capacity ground cooling device |
| CN106216345A (en) * | 2016-08-04 | 2016-12-14 | 安徽佳通乘用子午线轮胎有限公司 | A kind of pretreating agent safety recovery system of capsule baking oven |
| CN106424030A (en) * | 2016-11-21 | 2017-02-22 | 建瓯市恒顺炭业有限公司 | Self-purification method for machine-made charcoal kiln smoke collecting pipe and kiln smoke collecting system for self-purification method |
| CN107899359A (en) * | 2017-12-07 | 2018-04-13 | 孟红亮 | Flue gas processing device |
| CN109876784A (en) * | 2019-03-07 | 2019-06-14 | 大同新成新材料股份有限公司 | A kind of active carbon desulfurization denitration experimental provision |
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| CN202682826U (en) * | 2012-07-12 | 2013-01-23 | 胡志杰 | Waste gas purifying equipment for charcoal kiln |
| CN103752152A (en) * | 2014-01-13 | 2014-04-30 | 苏州克利亚环保科技有限公司 | Lumber drying kiln waste gas treatment device |
| CN103925811A (en) * | 2014-04-04 | 2014-07-16 | 江苏邦泰炉业有限公司 | Industrial furnace air duct waste heat recovery system |
| CN203971439U (en) * | 2014-07-23 | 2014-12-03 | 苏州克利亚环保科技有限公司 | Charcoal kiln exhaust gas processing device |
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2014
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| CN202682826U (en) * | 2012-07-12 | 2013-01-23 | 胡志杰 | Waste gas purifying equipment for charcoal kiln |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315530A (en) * | 2014-10-20 | 2015-01-28 | 陈云桥 | Purification device for harmless emission of industrial chimney |
| CN104515139A (en) * | 2015-01-14 | 2015-04-15 | 华能桐乡燃机热电有限责任公司 | High-capacity ground cooling device |
| CN106216345A (en) * | 2016-08-04 | 2016-12-14 | 安徽佳通乘用子午线轮胎有限公司 | A kind of pretreating agent safety recovery system of capsule baking oven |
| CN106424030A (en) * | 2016-11-21 | 2017-02-22 | 建瓯市恒顺炭业有限公司 | Self-purification method for machine-made charcoal kiln smoke collecting pipe and kiln smoke collecting system for self-purification method |
| CN107899359A (en) * | 2017-12-07 | 2018-04-13 | 孟红亮 | Flue gas processing device |
| CN109876784A (en) * | 2019-03-07 | 2019-06-14 | 大同新成新材料股份有限公司 | A kind of active carbon desulfurization denitration experimental provision |
| CN109876784B (en) * | 2019-03-07 | 2021-10-15 | 山西华青环保股份有限公司 | Activated carbon desulfurization and denitrification experimental device |
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Application publication date: 20141008 |