CN205372579U - High -efficient stove that purifies of VOC waste gas - Google Patents
High -efficient stove that purifies of VOC waste gas Download PDFInfo
- Publication number
- CN205372579U CN205372579U CN201620067437.1U CN201620067437U CN205372579U CN 205372579 U CN205372579 U CN 205372579U CN 201620067437 U CN201620067437 U CN 201620067437U CN 205372579 U CN205372579 U CN 205372579U
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- China
- Prior art keywords
- porous ceramics
- burner hearth
- heating element
- efficient purification
- purification furnace
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- 239000002912 waste gas Substances 0.000 title abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 239000000919 ceramic Substances 0.000 claims abstract description 38
- 238000000746 purification Methods 0.000 claims description 19
- 230000000694 effects Effects 0.000 abstract description 8
- 239000011148 porous material Substances 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000012855 volatile organic compound Substances 0.000 description 18
- 239000007789 gas Substances 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000009970 fire resistant effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 231100000045 chemical toxicity Toxicity 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007539 photo-oxidation reaction Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005200 wet scrubbing Methods 0.000 description 1
Landscapes
- Chimneys And Flues (AREA)
- Incineration Of Waste (AREA)
Abstract
(B, ) the utility model discloses a (B, ) the high -efficient stove that purifies of (b) VOC (b) (b) waste gas includes the furnace body and is located the inside furnace who sets up heating element of furnace body, is connected with breather pipe and blast pipe on the furnace body, its characterized in that be equipped with porous ceramic in the furnace. The utility model discloses because of having set up porous ceramic in furnace, with the help of the special many pore structure of porous ceramic, can block to a certain extent and delay gaseous circulation, increase furnace inside is to the contact heating area of air current, and this abundant burning that does benefit to (b) (b) VOC (b) (b) waste gas can improve its purifying effect greatly, the reduction pollutant discharge of maximize. (B, )
Description
Technical field
This utility model relates to a kind of VOC exhaust-gas efficient purification furnace.
Background technology
VOC waste gas refers to the volatile organic compound from waste gas with low content discharged in industrial processes, this type of waste gas is because of its effumability, diffusibility and chemical toxicity, have considerable degree of impact and threat, therefore various feasible means should be taked to implement to purify and remove to it for health.
The mode purifying VOC waste gas at present mainly has burning, catalyst incineration, activated carbon adsorption, wet scrubbing, condensation, photooxidation and biological treatment etc., and the mode wherein burnt is both economical simply, uses also extensive.The existing equipment to VOC waste gas enforcement burning purified treatment is many by conventional resistance furnace repacking, and it connects breather in the bottom of body of heater, and top connection exhaustor, hearth wall adopts embedded resistance wire fire resistant composite panel block to make.During real work, VOC waste gas passes into from bottom, at stove chamber inner combustion, finally discharges from furnace roof.
But existing above-mentioned VOC waste gas purification stove existing defects is as follows:
1.VOC waste gas holdup time in burner hearth is short, with burner hearth within to contact heating surface (area) (HS few, be heated weak effect, this is unfavorable for that it fully burns, and the sufficient VOC toxic emission of unburned still can pollute to air, certain current a kind of way is to reduce the intake of gas, in order to improves clean-up effect, but causes that purification efficiency is substantially reduced；
2. hearth wall adopts embedded resistance wire fire resistant composite panel block to make, and this element is not only fragile, and service life is short, and during due to heating, temperature is slowly to transmit from four circumference stove centers, non-uniform temperature, and partial combustion is insufficient, causing waste gas purification weak effect in stove, efficiency is low.
Summary of the invention
This utility model purpose is: provide a kind of VOC exhaust-gas efficient purification furnace for the deficiency of the existing burning cleaning equipment mentioned in background technology, this purification furnace can increase the contact heating surface (area) (HS inside burner hearth to air-flow, guarantee that VOC waste gas fully burns, be greatly improved clean-up effect.
The technical solution of the utility model is: a kind of VOC exhaust-gas efficient purification furnace, including body of heater be positioned at furnace interior and arrange the burner hearth of heating element heater, body of heater is connected to breather and exhaustor；It is characterized in that being provided with porous ceramics in described burner hearth.
Further, point Spaced in burner hearth of porous ceramics described in this utility model is arranged, every layer is at least made up of one piece of porous ceramics, and arranges up and down when unnecessary one piece of the porous ceramics of every layer.
Further, the thickness h of monolithic porous ceramics described in this utility model is 0.0568 ~ 0.341 with the ratio of furnace height H.
Further, the order number of porous ceramics described in this utility model is 200-600.
Further, the ratio of the sectional area of porose on monolithic porous ceramics described in this utility model surface area summation and burner hearth is 5 ~ 100.The surface area in hole described in this utility model refers to the area of the inwall in each hole.This utility model scheme key issue to be solved is under the premise not too much reducing air-flow velocity, increase as much as possible air-flow internal with burner hearth contact heating surface (area) (HS, and pass through the above-mentioned ratio of restriction, it is possible to realize this target preferably.
Further, heating element heater described in this utility model is the exposed resistance wire heating element of upper and lower multi-tier arrangement, and every layer of exposed resistance wire heating element all includes some heating poles being fixed on hearth wall and being parallel transversely disposed and the exposed resistance wire being spirally wound on these heating poles and being sequentially connected in series.
Comparatively preferred, this utility model has at least the upper and lower of one layer of described exposed resistance wire heating element all adjoin and be provided with one layer of porous ceramics.
Being more highly preferred to, exposed resistance wire heating element and porous ceramics interval alternatively up and down described in this utility model are arranged.
Preferably, the bottom of body of heater described in this utility model is connected to breather, and top is connected to exhaustor.
It is to be appreciated that the porous ceramics in this utility model refers to the pottery in the through hole being densely covered with proper alignment, the distribution arrangement in hole can be longitudinally, laterally or oblique, certainly preferably longitudinally.And the shape in hole can be circular hole, or square hole, or other polygonal hole.
The utility model has the advantages that:
1. this utility model because being provided with porous ceramics in burner hearth, by the multi-pore structure that porous ceramics is special, can block and delay the circulation of gas to a certain extent, increase the contact heating surface (area) (HS to air-flow inside burner hearth, this is beneficial to the abundant burning of VOC waste gas, its clean-up effect, maximized minimizing disposal of pollutants can be greatly improved.
2. the porous ceramics in this utility model is it is preferred that layering interval is arranged, and arranges heating element heater in interval, it is ensured that blocks stage by stage for stratification of hot gas, further increases the contact heating surface (area) (HS to air-flow inside burner hearth, greatly improve clean-up effect.
3. this utility model adopts exposed resistance wire heating element, compare original embedded resistance wire fire resistant composite panel block heating element heater, it is hardly damaged, longer service life, and owing to its structure covers burner hearth lateral cross section, therefore temperature is more uniform during heating, it can be ensured that the burning for VOC waste gas is more abundant, coordinates with the porous ceramics of this case and can significantly improve clean-up effect.During work, when with the gas intake of original cleaning equipment equal flow, the clarification time of the present utility model is short, and speed is fast, and the exhaust-gas treatment amount in the unit interval is bigger, and purification efficiency is higher.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further described:
Fig. 1 is this utility model structure sectional view；
Fig. 2 is the A-A direction view (omission porous ceramics) of Fig. 1.
Wherein: 1, body of heater；2, burner hearth；3, breather；4, exhaustor；5, porous ceramics；6, heating pole；7, exposed resistance wire.
Detailed description of the invention
Embodiment: show a kind of detailed description of the invention of this utility model VOC exhaust-gas efficient purification furnace in conjunction with Fig. 1 and Fig. 2, it has body of heater 1 and is positioned at the internal burner hearth 2 arranging heating element heater of body of heater 1, the bottom of described body of heater 1 is connected to breather 3, and top is connected to exhaustor 4.
Heating element heater described in this example is the exposed resistance wire heating element dividing 6 layers to arrange up and down, every layer of exposed resistance wire heating element collectively forms by the many heating poles being fixed on burner hearth 2 wall and be parallel transversely disposed 6 and the exposed resistance wire 7 being spirally wound on these heating poles 6 and being sequentially connected in series, specifically in conjunction with shown in Fig. 1 and Fig. 2.
Greatest improvement of the present utility model is to arrange porous ceramics 5 in burner hearth 2, this example adopts one layer of porous ceramics 5, this layer is made up of one piece of porous ceramics 5, and specifically as shown in Figure 1, the porous ceramics 5 described in this example is arranged between the exposed resistance wire heating element of two-layer of topmost.And when specifically installing, porous ceramics 5 adopts bracing frame (omitting in figure) to support fixing, and bracing frame then adopts bolt or other securing member to be fixed on burner hearth 2 inwall.
Porous ceramics 5 in this example gathers longitudinally through hole, order number is 300, and in this example, on monolithic porous ceramics 5, the ratio of the surface area summation in hole and burner hearth 2 sectional area is 35.And still in conjunction with shown in Fig. 1, the ratio 0.114 of the thickness h of porous ceramics 5 described in this example and burner hearth 2 height H.
During the present embodiment specific works, as shown in Figure 1, VOC waste gas passes into from bottom ventilation pipe 3 along the direction of arrow indication, enter burner hearth 2, heating through the exposed resistance wire heating element of multilamellar carries out combustion reaction, and the porous ceramics 5 also heated high temperature that produces, due to the multi-pore structure that porous ceramics 5 is special, block and delay the circulation of gas to a certain extent, increase the internal contact heating surface (area) (HS to air-flow of burner hearth 2, guaranteeing the abundant burning of VOC waste gas, burning purified gas discharges burner hearth 2 from the exhaustor 4 at top.
Certain above-described embodiment only for technology of the present utility model design and feature are described, its object is to allow person skilled in the art will appreciate that content of the present utility model and to implement according to this, can not limit protection domain of the present utility model with this.All modifications done according to the spirit of this utility model main technical schemes, all should be encompassed within protection domain of the present utility model.
Claims (9)
1. a VOC exhaust-gas efficient purification furnace, including body of heater (1) be positioned at the internal burner hearth (2) arranging heating element heater of body of heater (1), body of heater (1) is connected to breather (3) and exhaustor (4)；It is characterized in that being provided with in described burner hearth (2) porous ceramics (5).
2. VOC exhaust-gas efficient purification furnace according to claim 1, it is characterized in that described porous ceramics (5) point Spaced in burner hearth (2) is arranged, every layer is at least made up of one piece of porous ceramics (5), and arranges up and down when unnecessary one piece of the porous ceramics (5) of every layer.
3. VOC exhaust-gas efficient purification furnace according to claim 1, it is characterised in that the ratio of the thickness h of described monolithic porous ceramics (5) and burner hearth (2) highly H is 0.0568 ~ 0.341.
4. VOC exhaust-gas efficient purification furnace according to claim 1, it is characterised in that the order number of described porous ceramics (5) is 200-600.
5. VOC exhaust-gas efficient purification furnace according to claim 1, it is characterised in that the ratio of the sectional area of surface area summation porose on described monolithic porous ceramics (5) and burner hearth (2) is 5 ~ 100.
6. VOC exhaust-gas efficient purification furnace according to claim 2, it is characterized in that the exposed resistance wire heating element that described heating element heater is upper and lower multi-tier arrangement, every layer of exposed resistance wire heating element all includes some heating poles (6) being fixed on burner hearth (2) wall and be parallel transversely disposed and is spirally wound on the exposed resistance wire (7) that these heating poles (6) are upper and are sequentially connected in series.
7. VOC exhaust-gas efficient purification furnace according to claim 6, it is characterised in that have at least the upper and lower of one layer of described exposed resistance wire heating element all to adjoin and be provided with one layer of porous ceramics (5).
8. VOC exhaust-gas efficient purification furnace according to claim 7, it is characterised in that described exposed resistance wire heating element and porous ceramics (5) interval alternatively up and down are arranged.
9. VOC exhaust-gas efficient purification furnace according to claim 1, it is characterised in that the bottom of described body of heater (1) is connected to breather (3), and top is connected to exhaustor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620067437.1U CN205372579U (en) | 2016-01-25 | 2016-01-25 | High -efficient stove that purifies of VOC waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620067437.1U CN205372579U (en) | 2016-01-25 | 2016-01-25 | High -efficient stove that purifies of VOC waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205372579U true CN205372579U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620067437.1U Active CN205372579U (en) | 2016-01-25 | 2016-01-25 | High -efficient stove that purifies of VOC waste gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546554A (en) * | 2016-01-25 | 2016-05-04 | 阿尔赛(苏州)无机材料有限公司 | Efficient purification furnace for volatile organic compound (VOC) exhaust gas |
-
2016
- 2016-01-25 CN CN201620067437.1U patent/CN205372579U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546554A (en) * | 2016-01-25 | 2016-05-04 | 阿尔赛(苏州)无机材料有限公司 | Efficient purification furnace for volatile organic compound (VOC) exhaust gas |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |