CN207646059U - A kind of sewage gas fluidized gasification stove - Google Patents
A kind of sewage gas fluidized gasification stove Download PDFInfo
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- CN207646059U CN207646059U CN201721580185.3U CN201721580185U CN207646059U CN 207646059 U CN207646059 U CN 207646059U CN 201721580185 U CN201721580185 U CN 201721580185U CN 207646059 U CN207646059 U CN 207646059U
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- reaction zone
- sewage gas
- gasification stove
- additive
- fluidizer
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Abstract
The utility model is related to a kind of sewage gas fluidized gasification stoves, including furnace body, the furnace body sets gradually clinker area from bottom to up, first reaction zone and second reaction zone, first reaction zone is equipped with additive Fluidizer and predrying sludge inlet, the predrying sludge inlet is located at additive Fluidizer top, the additive Fluidizer is connect with fluidized air blower, the second reaction zone includes outer barrel and inner cylinder, the top of the inner cylinder is straight panel, lower part is different setback plate, the top of the second reaction zone is equipped with gas outlet, the lower part of first reaction zone is equipped with reserved gasifying agent import.The utility model solves the problems, such as that the characteristics such as the gasification furnaces such as existing fixed bed are high with dewatered sludge content of ashes, ash fusion point is low do not match that coking and blocking problem is effectively controlled.
Description
Technical field
The utility model is related to chemical industry, field of environment protection, more specifically to a kind of sewage gas fluidized gasification stove.
Background technology
Sludge is the product after sewage disposal, and not only water content is high, perishable, has strong odor, and contain a large amount of diseases
The heavy metals such as opportunistic pathogen, parasitic ovum and chromium, mercury and dioxin etc. are difficult to the poisonous and harmful and carcinogen degraded.Sludge without
Processing is arbitrarily stacked, and is acted on by the erosion of rainwater and leakage, is easily caused secondary pollution to underground water, soil etc., is directly endangered
Evil human health.
Pyrolyzing sludge reaction environment is anaerobic or anoxic, and the discharge of the pollutants such as NOx, SOx and heavy metal is much low
Discharge capacity in burning process can get carbide, tar and combustion gas from pyrolysis, they have higher calorific value and exploitation value
Value.Being burned compared to traditional drying has carbon emission amount extremely low, place small compared to land uses technique floor spaces such as anaerobism and compost
It is thoroughly the important development direction for solving sludge problem to set.
The engineer application of pyrolyzing sludge concentrates on high temperature pyrolysis charring at present, and there is high energy consumption in the application causes to run
Enterprise of high cost, charcoal finally are difficult to get through using path, the problems such as there are coking and blocking.And in pyrolytic gasification, sludge
In organic matter be thoroughly decomposed into biogas and inorganic lime-ash, at the stabilisation for realizing the organic matter and heavy metal in sludge
It sets and is utilized with sludge energyization.The pyrolysis gas generated using pyrolytic gasification is used for the predrying of sludge as fuel, and supplements few
Biomass fuel is measured, substantially achievable sludge energy is controlled oneself, and lime-ash physicochemical property can be used as building material additives and auxiliary after gasification
Material, final disposal path mature and reliable is the future thrust of pyrolyzing sludge.
The organic solid wastes such as sludge pyrolysis at present mostly uses the conventional equipments such as external-heating revolving formula stove, fixed bed, dirty with dehydration
The characteristics such as mud content of ashes is high, ash fusion point is low do not match that gasification yield low (＜ 50%) gasification is not thorough, biogas calorific value
(generally 6~8MJ) low utility value is limited.Therefore, sludge gasification furnace how to effectively improve the thermal efficiency, improve gasification yield and
Biogas quality, it is the key that scale engineer application to reduce operating cost and raising stabilization of equipment performance, reliability.
Invention content
The technical problem to be solved by the present invention is to provide a kind of sewage gas fluidized gasification stove, solve existing solid
The characteristics such as the gasification furnaces such as fixed bed are high with dewatered sludge content of ashes, ash fusion point is low do not match that and lead to that rate of gasification is low, biomass
The low problem of gas calorific value.
Technical solution adopted by the utility model to solve its technical problems is：A kind of sewage gas fluidized gasification stove is constructed,
Including furnace body, the furnace body sets gradually clinker area, the first reaction zone and second reaction zone, first reaction zone from bottom to up
Equipped with additive Fluidizer and predrying sludge inlet, the predrying sludge inlet is located at additive Fluidizer top,
The additive Fluidizer is connect with fluidized air blower, and the second reaction zone includes outer barrel and inner cylinder, and the top of the inner cylinder is
Straight panel, lower part are different setback plate, and the top of the second reaction zone is equipped with gas outlet, and the lower part of the first reaction zone is equipped with reserved gas
Agent import.
In said program, the bottom ashe outlet of the clinker area is equipped with blocking valve.
In said program, the furnace body barrel uses thermal insulation material, and the anti-corrosion material that liner is smooth.
In said program, the lower part of first reaction zone is equipped with multiple combustion supporting burners.
In said program, the second reaction zone outer barrel diameter is 1.2~1.4 times of the first reaction zone, and described second is anti-
It is 2~4 to answer the ratio of height to diameter in area.
In said program, the inner diameter of steel flue of the second reaction zone is the 0.7~0.85 of outer barrel diameter, inner cylinder top and stove
The spacing of body top plate is 0.3~0.6 times of outer barrel diameter, and inner cylinder lower part is 0.3~0.4 times of outer barrel with second reaction zone bottom spacing
Diameter.
In said program, the bending angle of the different setback plate is 60 °~90 °.Straight panel and the height ratio of different setback plate are
1:2~2:3.
The sewage gas fluidized gasification stove for implementing the utility model, has the advantages that：
1, it is special to solve that the gasification furnaces such as existing fixed bed and dewatered sludge content of ashes are high, ash fusion point is low etc. for the utility model
The problem of property does not match that, coking and blocking problem is effectively controlled.
2, the utility model, which solves adjunct and sludge grain size, calorific value difference, leads to sludge flash burn or sludge
The problem of coking conglomeration, realize synergistic effect.
3, the utility model air-flow gasification furnace, gasification yield compare conventional fixed-bed gasification furnace and improve 20~30%.Gas
Change aerogenesis calorific value and can reach 12~15MJ, improves biogas utility value.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is the structural schematic diagram of the utility model sewage gas fluidized gasification stove.
Specific implementation mode
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.
As shown in Figure 1, the furnace body of the sewage gas fluidized gasification stove of the utility model include clinker area 5, the first reaction zone 7,
The outer barrel 8 of second reaction zone, the inner cylinder 9 of second reaction zone, additive Fluidizer 6, fluidized air blower 11, predrying sludge import 3,
Reserved gasifying agent import 1, combustion supporting burner 2, predrying sludge import 3, blocking valve 4, gas outlet 10.
Wherein sewage gas fluidized gasification stove is divided into clinker area 5, the first reaction zone 7, the region of second reaction zone three, and barrel is adopted
With thermal insulation material, and lined ceramics or smooth anti-corrosion material, it can be effectively prevent the corrosion of equipment, improve service life of equipment.
The ratio of height to diameter of 1.2~1.4 times of 8 a diameter of first reaction zone, 7 diameter of second reaction zone outer barrel, outer barrel 8 is 2~4.
The spacing of the 0.7~0.85 of 9 a diameter of outer barrel 8 of inner cylinder, 9 top of inner cylinder and furnace body top plate is the diameter of 0.3~0.6 times of outer barrel 8,
9 lower part of inner cylinder and the diameter that 8 bottom spacing of outer barrel is 0.3~0.4 times of outer barrel 8.Above structure overcomes as gasification carries out, gas
Agent gradually consumes, and gasification gas stream in the stove speed gradually increases, and unvaporized material web is caused to go out the defect outside gasification furnace.
9 structure of inner cylinder is that top is straight panel, and lower part is different setback plate, and the bending angle of different setback plate is 60 °~90 °, directly
Plate is 1 with different setback plate height ratio:2~2:3.It is acted on by the baffling of inner cylinder, realizes cycle, the gas of gasification zone in gasification furnace
Agent, uniform distribution of temperature field, improve rate of gasification.
The lower part of first reaction zone 7 is equipped with reserved gasifying agent import 1, and the first reaction zone 7 is equipped with additive Fluidizer 6 and in advance
Dry sludge inlet 3, Fluidizer are furnished with fluidized air blower 11.Predrying sludge is by pneumatic transport equipment predrying sludge inlet
3.Additive is sent into the layering of predrying sludge, and avoiding adjunct and sludge grain size, calorific value difference leads to sludge flash burn,
Or more materials cooperations gasification problems such as sludge coking conglomeration.Predrying sludge inlet 3 is located at 6 top of additive Fluidizer.
It is sent into above structure and additive is sent by additive Fluidizer 6 by high pressure draught, by centrifugation in additive Fluidizer 6 and again
Force effect is sent into gasification furnace, forms gas fluidization conditions, gasification reaction contact area is the several times of conventional fixed bed, gasification reaction
Rapidly, thoroughly, the vapor of generation of gasifying generates autocatalysis, forms air and the cooperation-gasified environment of vapor, improves
Fuel gases calorific value.
It is several that first reaction zone, 7 lower part is evenly arranged 2 combustion supporting burners, is arranged using symmetrical equilibrium, for startup stage
Gasification furnace preheats and initial operating stage is combustion-supporting.Burner can be controlled according to material calorific value situation starts quantity.Avoid existing single burning
Mouth causes uneven heating to weigh, the uncontrollable problem of gasification temperature field in furnace.
Biogas is used as predrying heat source after being sent into the processing of the clean units such as dehydration by top gas outlet 10 after gasification.
Gasification furnace slag discharge is intermittent discharge mode, and lime-ash is stored in clinker area 5 after gasification, and follow-up lime-ash profit is sent into through slag conveyer
Use link.Blocking valve 4 is arranged in 5 lower part of clinker area, avoids gasification furnace gas during deslagging excessive.
The embodiments of the present invention are described above in conjunction with attached drawing, but the utility model is not limited to
The specific implementation mode stated, the above mentioned embodiment is only schematical, rather than restrictive, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the protection of the utility model.
Claims (7)
1. a kind of sewage gas fluidized gasification stove, including furnace body, which is characterized in that the furnace body sets gradually lime-ash from bottom to up
Area, the first reaction zone and second reaction zone, first reaction zone are equipped with additive Fluidizer and predrying sludge inlet, institute
It states predrying sludge inlet and is located at additive Fluidizer top, the additive Fluidizer is connect with fluidized air blower, and described
Two reaction zones include outer barrel and inner cylinder, and the top of the inner cylinder is straight panel, and lower part is different setback plate, the top of the second reaction zone
Portion is equipped with gas outlet, and the lower part of the first reaction zone is equipped with reserved gasifying agent import.
2. sewage gas fluidized gasification stove according to claim 1, which is characterized in that the bottom ashe of the clinker area exports
Equipped with blocking valve.
3. sewage gas fluidized gasification stove according to claim 1, which is characterized in that the barrel of the furnace body uses thermal insulating material
Material, and the anti-corrosion material that liner is smooth.
4. sewage gas fluidized gasification stove according to claim 1, which is characterized in that the lower part of first reaction zone is equipped with
Multiple combustion supporting burners.
5. sewage gas fluidized gasification stove according to claim 1, which is characterized in that the second reaction zone outer barrel diameter is
The ratio of height to diameter of 1.2~1.4 times of first reaction zone, the second reaction zone is 2~4.
6. sewage gas fluidized gasification stove according to claim 1, which is characterized in that the inner diameter of steel flue of the second reaction zone
Be the 0.7~0.85 of outer barrel diameter, the spacing of inner cylinder top and furnace body top plate is 0.3~0.6 times of outer barrel diameter, inner cylinder lower part with
Second reaction zone bottom spacing is 0.3~0.4 times of outer barrel diameter.
7. sewage gas fluidized gasification stove according to claim 1, which is characterized in that the bending angle of the different setback plate is
60 °~90 °, the height ratio of straight panel and different setback plate is 1:2~2:3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580185.3U CN207646059U (en) | 2017-11-21 | 2017-11-21 | A kind of sewage gas fluidized gasification stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580185.3U CN207646059U (en) | 2017-11-21 | 2017-11-21 | A kind of sewage gas fluidized gasification stove |
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| Publication Number | Publication Date |
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| CN207646059U true CN207646059U (en) | 2018-07-24 |
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ID=62890728
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| CN201721580185.3U Active CN207646059U (en) | 2017-11-21 | 2017-11-21 | A kind of sewage gas fluidized gasification stove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811596A (en) * | 2022-04-29 | 2022-07-29 | 江苏锦明再生资源有限公司 | Dry sludge treatment cleaning incinerator |
-
2017
- 2017-11-21 CN CN201721580185.3U patent/CN207646059U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811596A (en) * | 2022-04-29 | 2022-07-29 | 江苏锦明再生资源有限公司 | Dry sludge treatment cleaning incinerator |
| CN114811596B (en) * | 2022-04-29 | 2023-01-31 | 江苏锦明再生资源有限公司 | Dry sludge treatment cleaning incinerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sewage gas fluidization gasifier Effective date of registration: 20181228 Granted publication date: 20180724 Pledgee: Wuhan rural commercial bank Limited by Share Ltd Optics Valley branch Pledgor: Hubei Jiade Technology Co., Ltd. Registration number: 2018420000080 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191224 Granted publication date: 20180724 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co., Ltd. Pledgor: Hubei Jiade Technology Co., Ltd. Registration number: 2018420000080 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sewage gas fluidization gasifier Effective date of registration: 20191227 Granted publication date: 20180724 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co., Ltd. Pledgor: Hubei Jiade Technology Co., Ltd. Registration number: Y2019420000042 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201222 Granted publication date: 20180724 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: HUBEI JIADE TECHNOLOGY Co.,Ltd. Registration number: Y2019420000042 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A sludge gasification gasifier Effective date of registration: 20201230 Granted publication date: 20180724 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: HUBEI JIADE TECHNOLOGY Co.,Ltd. Registration number: Y2020420000088 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |