CN204806458U - Clean stove of SOx/NOx control - Google Patents
Clean stove of SOx/NOx control Download PDFInfo
- Publication number
- CN204806458U CN204806458U CN201520492013.5U CN201520492013U CN204806458U CN 204806458 U CN204806458 U CN 204806458U CN 201520492013 U CN201520492013 U CN 201520492013U CN 204806458 U CN204806458 U CN 204806458U
- Authority
- CN
- China
- Prior art keywords
- airduct
- furnace
- communicated
- burner hearth
- supply device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002918 waste heat Substances 0.000 claims abstract description 20
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003546 flue gas Substances 0.000 claims abstract description 19
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 17
- 239000000779 smoke Substances 0.000 claims description 36
- 238000011084 recovery Methods 0.000 claims description 18
- 239000003517 fume Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 14
- 239000000446 fuel Substances 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 238000003287 bathing Methods 0.000 abstract description 2
- 230000002459 sustained effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model relates to a clean stove of SOx/NOx control, it includes the furnace body, set up furnace in the furnace body, set up in the adding the feed bin, setting up in the grey storehouse of furnace bottom, setting up air supply device and residual heat from flue gas device in the furnace body of furnace one side, add feed bin bottom and furnace lower part intercommunication, it is provided with sealed lid to add the feed bin top, air supply device's air outlet passes through back cigarette supply duct and adds feed bin upper portion intercommunication, the utility model discloses simple structure is setting up the air feed mouth with the feed bin top, can blow the flue gas that furnace bottom race ease was located and get back to furnace, makes the flue gas fully burn in furnace, avoids the pollution, fuel is filled with to a feed bin, can the sustained combustion more than 8 hours, and satisfy the burning at night and use, the heat exchanger carries out recycle with the waste heat of flue collector, and can heat winter can the bathing in summer, and air supply device makes the burning of whole furnace get into oxygen - rich condition, and the abundant furnace temperature height that burns is promoted.
Description
Technical field
The utility model relates to a kind of civil heating stove and accessory, is specially a kind of desulphurization denitration and cleans stove and accessory.
Background technology
At present, in the vast rural area of China, especially north of china in winter needs the area of heating, cannot central heating be realized, small-sized household heating stove can only be adopted winter to heat voluntarily, existing heating stove have burning insufficient, resource utilization is low, flue dust is large, seriously polluted.Traditional fire-tube type heat exchange mechanisms heat exchange efficiency is low, and heating effect is poor, and the desulfurization and dedusting effect of flue gas is poor, in unburnt situation, carbon monoxide, coal dust etc. are directly discharged in air, on the one hand contaminated environment, cause the waste of resource on the other hand.
Utility model content
Technical problem to be solved in the utility model is to provide a kind ofly has desulphurization denitration, without dust, clean stove and accessory that efficiency of combustion is high.
For solving the problem, technical solution adopted in the utility model is:
A kind of desulphurization denitration cleans stove and accessory, it comprises body of heater, be arranged on the burner hearth in body of heater, be arranged on the feeding chamber of burner hearth side, be arranged on the ash silo of burner hearth bottom, be arranged on the air supply device in body of heater and flue gas waste heat recovery apparatus, be communicated with lower furnace portion bottom described feeding chamber, described feeding chamber top is provided with seal cover, the air outlet of described air supply device passes through back cigarette and is communicated with feeding chamber top for airduct, described roof of the furnace is also provided with fume extractor, the outlet flue of described fume extractor is communicated with the mouth that enters of waste-heat recovery device by drawing smoke pipe, the outlet flue of described waste-heat recovery device is communicated with chimney, described feeding chamber is provided with stock guide, described stock guide is to burner hearth lopsidedness, be provided with ash bucket bottom described ash silo, described ash silo top sidewall is provided with end airduct, and airduct of the described end is communicated with the air outlet of air supply device for airduct by end wind.
Furtherly, described waste-heat recovery device is board-like cigarette water-to-water heat exchanger.
Furtherly, described fume extractor comprises the outer smoke ring of internal flame circle and arc, and the outer wall that described outer smoke ring is fastened on internal flame circle forms smoke ring cavity, and described internal flame circle is provided with multiple exhaust smoke hole, described in draw smoke pipe and be communicated with smoke ring cavity through outer smoke ring.
Furtherly, described feeding chamber outer wall is provided with heat-insulation layer.
Furtherly, described upper furnace is provided with air feed dish, and described air feed dish is annular housing, and described air feed dish inwall is evenly provided with multiple tuyere, described air feed dish is communicated with the air outlet of air supply device for airduct by wind dish, and described air feed dish is positioned at hearth combustion layer top.
Furtherly, the air outlet of described air supply device is communicated with for airduct for airduct and wind dish for airduct, end wind respectively with time cigarette.
Furtherly, described air supply device is also provided with and controls the flow control mechanism that air outlet supplies back cigarette confession airduct, end wind supplies airduct and wind dish air feed manage-style amount.
Furtherly, also deduster is provided with between described waste-heat recovery device and chimney, described deduster is the casing of horizontal, bottom is provided with the ponding layer of adsorption of dust, it is inner close with the water surface that the outlet flue of described waste-heat recovery device is deep into deduster by smoke pipe, described deduster is being provided with throat away from smoke pipe one end, and described throat is communicated with chimney.
The beneficial effect adopting technique scheme to produce is:
The utility model structure is simple, arranges for air port, the flue gas at the burner hearth bottom place of escaping can be blown back burner hearth, make flue gas Thorough combustion in burner hearth at feeding chamber top, avoids polluting; Fuel filled by a feed bin, can sustained combustion more than 8 hours, and the burning meeting night uses, the waste heat of flue collector is recycled by heat exchanger, can heat summer winter can bathing, and air supply device makes whole hearth combustion enter oxygen enrichment state, and sufficient combustion fire box temperature is high to be promoted.
After flue collector, arrange plate type heat exchanger carry out the heat exchange of cigarette water, heat exchanger effectiveness is high, effectively can utilize the heat of high-temperature flue gas, and the smoke temperature reducing flue makes the utilization rate of heat energy improve, thus improves fuel efficiency.
Arranging fume extractor can make flue gas diffuse into smoke ring cavity to surrounding, and smoke does not evenly have dead angle, especially mates with air supply device, the wind in stove is circulated smooth and easy without dead angle.
The heat-insulation layer of feeding chamber outer wall can make the fuel preheating entered in burner hearth, heat-insulation layer can maintain the temperature that feeding chamber is applicable to, wall surface temperature is too low, before entering burner hearth, temperature raises gradually and reaches destructive distillation environment, calcium carbonate in coal can be decomposed into calcium oxide, and the flue gases such as the sulfur dioxide that simultaneously also can generate and hydrogen sulfide are reacted in blowback to burner hearth and with the calcium oxide in burner hearth reaches sulfur fixation.
Air feed dish can make the gasification, and combustion layer of burner hearth inner bottom part carry out oxygen enrichment burning, not only promotes fire box temperature, produces anoxic zone thus limit the generation of nitrogen oxide thus reach denitration object after Thorough combustion at roof of the furnace.
Air supply device to the air quantity of each airduct, can reach wind circulation in body of heater appropriate in order according to the using state adjustment supply of stove.
The ability of sweeping along that dust arrester utilizes reduction wind speed to reduce wind can reach good dust removing effects to the absorption reaching depositing dust object hydrous water.
Accompanying drawing explanation
Fig. 1 is front cross-sectional structural representation of the present utility model.
Fig. 2 is the positive back side of the present utility model cross-sectional view.
Wherein: 2 burner hearths, 21 seal covers, 3 feeding chambers, 31 stock guides, 4 air supply devices, 41 times cigarettes draw smoke pipe, 52 outer smoke rings, 53 smoke ring cavities, 54 exhaust smoke holes, 55 internal flame circles, 6 ash silos, 61 ash buckets, 62 end airducts, 7 waste-heat recovery devices, 8 air feed dishes, 81 tuyeres, 9 dedusters, 91 smoke pipes, 92 throats for airduct, 43 wind dishes for airduct, 5 fume extractors, 51 for airduct, 42 end wind.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-2 and specific embodiment, utility model is described in further detail:
A kind of desulphurization denitration as shown in accompanying drawing 1-2 cleans stove and accessory, it comprises body of heater, be arranged on the burner hearth 2 in body of heater, be arranged on the feeding chamber 3 of burner hearth 2 side, be arranged on the ash silo 6 bottom burner hearth 2, be arranged on the air supply device 4 in body of heater and flue gas waste heat recovery apparatus 7, be communicated with burner hearth 2 bottom bottom described feeding chamber 3, described feeding chamber 3 top is provided with seal cover 21, the air outlet of described air supply device 4 passes through back cigarette and is communicated with feeding chamber 3 top for airduct 41, described burner hearth 2 top is also provided with fume extractor 5, the outlet flue of described fume extractor 5 is communicated with the mouth that enters of waste-heat recovery device 7 by drawing smoke pipe 51, the outlet flue of described waste-heat recovery device 7 is communicated with chimney, described feeding chamber 3 is provided with stock guide 31, described stock guide 31 is to burner hearth 2 lopsidedness, be provided with ash bucket 61 bottom described ash silo 6, described ash silo 6 top sidewall is provided with end airduct 62, and airduct of the described end 62 is communicated with the air outlet of air supply device 4 for airduct 42 by end wind.
During use, coal is added by feeding chamber 3, by gravity and stock guide 31, fuel is sent in burner hearth 2, feeding chamber 3 top is carried out buckle closure and is closed by the seal cover 21 at top, Thorough combustion district from top to bottom in burner hearth, oxygenation combustion zone, gasification, and combustion layer, red heat layer and after-flame layer, partial air is passed through back cigarette and delivers to by feeding chamber 3 internal upper part sealed for airduct 41 by air supply device 4, air pressure raises and pushes in burner hearth 2 by counter for the flue gas of bottom fuel preheating generation, burning in burner hearth 2, avoid polluting, also avoid sending out suddenly and open the pernicious gas that seal cover 21 has a savings and gush out, feeding chamber 3 is avoided to become pollution sources and dangerous matter sources, air is also delivered to ash silo 6 top by end wind for airduct 42 by air supply device 4, air-flow enters burner hearth through fire grate and after-flame layer and participates in burning, increase temperature in burner hearth, improve efficiency of combustion, reduce the generation of pernicious gas.
Waste-heat recovery device 7 is board-like cigarette water-to-water heat exchangers, and the heat conversion of the large reverse heat-exchange of heat exchange area is high, can try one's best by the Btu utilization of flue gas.
Fume extractor 5 in use, high-temperature hot air-flow in burner hearth 2 gushes, the internal flame circle 55 of fume extractor 5 is provided with multiple exhaust smoke hole 54 to be flowed in smoke ring cavity 53, cigarette water-to-water heat exchanger is flowed into via drawing smoke pipe 51, such air-flow multidirectionally enters in the smoke ring cavity 53 of negative pressure nearby, then drain through drawing smoke pipe 51, such flue gas is to surrounding motion at stockhole, makes airflow smooth in solid without dead angle.
It is for coal carbonization wound is in advantage that feeding chamber 3 outer wall is provided with heat-insulation layer, and again it is to be noted the technical program claims in the standing setting of body of heater such as not mentioned water jacket, fire grate, fire grate rocking handle, these are all that stove is all arranged usually and do not relate to this programme inventive point part.
The air outlet of air supply device 4 and return cigarette and be communicated with respectively for airduct 43 for airduct 42 and wind dish for airduct 41, end wind, air supply device 4 is also provided with and controls air outlet and supply back cigarette and supply airduct 42 and wind dish to supply the flow control mechanism of airduct 43 air quantity for airduct 41, end wind.Air supply device 4 regulates and controls the air quantity in more airduct as required, to reach the object of control combustion.Burner hearth 2 top is provided with air feed dish 8, described air feed dish 8 is annular housings, described air feed dish 8 inwall is evenly provided with multiple tuyere 81, and described air feed dish 8 is communicated with the air outlet of air supply device 4 for airduct 43 by wind dish, and described air feed dish 8 is positioned at burner hearth 2 burning zone top.
The flue gas of waste-heat recovery device 7 is through smoke pipe 91, enter deduster 9, the opening of smoke pipe 91 is close to the water surface, the particle beaten after flow surface recoil can be adsorbed with water, then flue gas enters in deduster 9 cavity, air-flow velocity reduce, air-flow sweep along the further adsorption of dust of the ability decline water surface, when arriving throat 92, the dust content in flue gas obviously reduces the flow velocity reaching dedusting object and do not lose flue gas like this.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technical scheme.
Claims (8)
1. a desulphurization denitration cleans stove and accessory, it is characterized in that: it comprises body of heater, be arranged on the burner hearth (2) in body of heater, be arranged on the feeding chamber (3) of burner hearth (2) side, be arranged on the ash silo (6) of burner hearth (2) bottom, be arranged on the air supply device (4) in body of heater and flue gas waste heat recovery apparatus (7), described feeding chamber (3) bottom is communicated with burner hearth (2) bottom, described feeding chamber (3) top is provided with seal cover (21), the air outlet of described air supply device (4) passes through back cigarette and is communicated with feeding chamber (3) top for airduct (41), described burner hearth (2) top is also provided with fume extractor (5), the outlet flue of described fume extractor (5) is communicated with the mouth that enters of waste-heat recovery device (7) by drawing smoke pipe (51), the outlet flue of described waste-heat recovery device (7) is communicated with chimney, described feeding chamber (3) is provided with stock guide (31), described stock guide (31) is to burner hearth (2) lopsidedness, described ash silo (6) bottom is provided with ash bucket (61), and described ash silo (6) top sidewall is provided with end airduct (62), and airduct of the described end (62) is communicated with the air outlet of air supply device (4) for airduct (42) by end wind.
2. a kind of desulphurization denitration according to claim 1 cleans stove and accessory, it is characterized in that: described waste-heat recovery device (7) is board-like cigarette water-to-water heat exchanger.
3. a kind of desulphurization denitration according to claim 1 and 2 cleans stove and accessory, it is characterized in that: described fume extractor (5) comprises the outer smoke ring (52) of internal flame circle (55) and arc, the outer wall that described outer smoke ring (52) is fastened on internal flame circle (55) forms smoke ring cavity (53), described internal flame circle (55) is provided with multiple exhaust smoke hole (54), described in draw smoke pipe (51) and be communicated with smoke ring cavity (53) through outer smoke ring (52).
4. a kind of desulphurization denitration according to claim 3 cleans stove and accessory, it is characterized in that: described feeding chamber (3) outer wall is provided with heat-insulation layer.
5. a kind of desulphurization denitration according to claim 4 cleans stove and accessory, it is characterized in that: described burner hearth (2) top is provided with air feed dish (8), described air feed dish (8) is annular housing, described air feed dish (8) inwall is evenly provided with multiple tuyere (81), described air feed dish (8) is communicated with the air outlet of air supply device (4) for airduct (43) by wind dish, and described air feed dish (8) is positioned at burner hearth (2) burning zone top.
6. a kind of desulphurization denitration according to claim 5 cleans stove and accessory, it is characterized in that: the air outlet of described air supply device (4) is communicated with for airduct (43) for airduct (42) and wind dish for airduct (41), end wind respectively with time cigarette.
7. a kind of desulphurization denitration according to claim 6 cleans stove and accessory, it is characterized in that: described air supply device (4) is also provided with control air outlet and supplies go back to cigarette supplies airduct (43) air quantity for airduct (42) and wind dish flow control mechanism for airduct (41), end wind.
8. a kind of desulphurization denitration according to claim 7 cleans stove and accessory, it is characterized in that: between described waste-heat recovery device (7) and chimney, be also provided with deduster (9), described deduster (9) is the casing of horizontal, bottom is provided with the ponding layer of adsorption of dust, it is inner close with the water surface that the outlet flue of described waste-heat recovery device (7) is deep into deduster (9) by smoke pipe (91), described deduster (9) is being provided with throat (92) away from smoke pipe (91) one end, and described throat (92) is communicated with chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520492013.5U CN204806458U (en) | 2015-07-09 | 2015-07-09 | Clean stove of SOx/NOx control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520492013.5U CN204806458U (en) | 2015-07-09 | 2015-07-09 | Clean stove of SOx/NOx control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204806458U true CN204806458U (en) | 2015-11-25 |
Family
ID=54591276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520492013.5U Expired - Fee Related CN204806458U (en) | 2015-07-09 | 2015-07-09 | Clean stove of SOx/NOx control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204806458U (en) |
-
2015
- 2015-07-09 CN CN201520492013.5U patent/CN204806458U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 |