CN206424777U - A kind of boiler afterheat reclaims desulfuring and denitrifying apparatus - Google Patents
A kind of boiler afterheat reclaims desulfuring and denitrifying apparatus Download PDFInfo
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- CN206424777U CN206424777U CN201720198548.0U CN201720198548U CN206424777U CN 206424777 U CN206424777 U CN 206424777U CN 201720198548 U CN201720198548 U CN 201720198548U CN 206424777 U CN206424777 U CN 206424777U
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Abstract
A kind of boiler afterheat reclaims desulfuring and denitrifying apparatus, including pipe heat exchanger and desulfurization and denitrification reaction device, the lower end side of shown pipe heat exchanger is provided with flue gas hot air inlet, opposite side is provided with the cold air inlet of air, the upper end side of described pipe heat exchanger is provided with the cold gas outlet of flue gas, opposite side is provided with the hot gas outlet of air, be provided between the cold air inlet of described air and the hot gas outlet of air annular disk around heat exchanger tube, described heat exchanger tube layering is set, separated between every layer of heat exchanger tube by lateral partitions, described lateral partitions one end and the inwall of pipe heat exchanger are welded, it is arranged at intervals between the other end and the inwall of pipe heat exchanger, the cold gas outlet of described flue gas is connected by pipeline with the air inlet of desulfurization and denitrification reaction device, described desulfurization and denitrification reaction device is internally provided with vertical baffle, the device can effectively realize the recycling of heat in flue gas, preheating is provided for boiler auxiliary combustion air, reduce air pollution.
Description
Technical field
The utility model is related to boiler technology field, is specifically exactly that a kind of boiler afterheat reclaims desulfuring and denitrifying apparatus.
Background technology
In the industrial production, the use of coal-burning boiler is quite varied, and coal-burning boiler can operationally produce substantial amounts of flue gas,
And dust, sulphur and the nitrogen oxide produced by flue gas are all the materials for polluting air, therefore, the flue dust of coal-burning boiler is dirty
Dye problem annoyings the life of people always, and with expanding economy, nowadays haze weather is increasingly severe, and all parts of the country are
The health of the mankind is drastically influence, and global warming affects the biological living environment on island simultaneously, with to environmental protection
Requirement more and more higher, had strict standard and requirement to the soot emissions of present coal-burning boiler, for chemical plant
For, it is necessary to carry out strict processing to boiler or the flue gas of large-scale chemical products after could discharge in air, in boiler
Fume emission in can carry out neutralization reaction to the sulfide in flue gas and nitride, and dedusting is carried out, in existing technology
In, a part of heat in flue gas is not utilized effectively, and the waste of the energy can be produced in use, while in boiler
The temperature that combustion air enters before boiler is relatively low, into boiler after cause the consumption of calory burning, both can not realize at present
The combination of effect is, it is necessary to a kind of device can not only realize that heat recovery is recycled, while the desulphurization denitration of flue gas can be realized
Effect, reduces air pollution.
The content of the invention
The purpose of this utility model is that providing a kind of boiler afterheat reclaims desulfuring and denitrifying apparatus, and the device can be effectively real
The recycling of heat in existing flue gas, preheating is provided for boiler auxiliary combustion air, and can be realized in flue gas dust and be harmful to
The purification of gas, reduces air pollution.
The technical scheme in the invention for solving the technical problem is：A kind of boiler afterheat reclaims desulphurization denitration dress
Put, including pipe heat exchanger and desulfurization and denitrification reaction device, the lower end side of shown pipe heat exchanger is provided with the hot air inlet of flue gas
Mouthful, opposite side is provided with the cold air inlet of air, and the upper end side of described pipe heat exchanger is provided with the cold gas outlet of flue gas, another
Side is provided with the hot gas outlet of air, be provided between the cold air inlet of described air and the hot gas outlet of air annular disk around heat exchange
Pipe, described heat exchanger tube layering is set, and is separated between every layer of heat exchanger tube by lateral partitions, described lateral partitions one end and pipe
The inwall bolt connection of formula heat exchanger, is arranged at intervals, the cold outlet of described flue gas between the other end and the inwall of pipe heat exchanger
Mouthful be connected by pipeline with the air inlet of desulfurization and denitrification reaction device, described desulfurization and denitrification reaction device be internally provided with vertically every
Plate, the other end that described desulfurization and denitrification reaction device is located at air inlet is provided with flue gas discharge opening.
As optimization, the two sides up and down of described lateral partitions on be provided with electrostatic precipitator.
As optimization, the lateral partitions formation S type smoke flow channels set inside described pipe heat exchanger, every layer it
Between heat exchanger tube be coiled between lateral partitions.
As optimization, vertical baffle one end and reactor wall bolt connection inside described desulfurization and denitrification reaction device,
The other end is arranged at intervals with reactor wall.
As optimization, described desulfurization and denitrification reaction device is internally located on the vertical baffle in left side and is additionally provided with spray head,
Described spray head is connected by slurries pump with alkaline slurry preparation system.
As optimization, the vertical baffle that described desulfurization and denitrification reaction device is internally located at right side plays vapour-liquid phase separation.
The beneficial effects of the utility model are：Compared with prior art, a kind of boiler afterheat of the present utility model reclaims de-
Sulphur denitrification apparatus, the pre- heat effect of combustion air is realized using coiling heat exchanger tube, and set between coiling heat exchanger tube
There is the dividing plate of heat smoke, heat in flue gas formation S type flowings, extension flue gas is exchanged heat with heat exchanger tube, and on dividing plate
Electrostatic equipment is set, electrostatic precipitation is carried out to minute dust in flue gas, the flue gas after heat exchange enters by desulfurization and denitrification reaction device again
Row desulphurization denitration, and the collection of the larger dust of particle is realized, the recycling of heat in flue gas is effectively realized, and it is right
Boiler auxiliary combustion preheating of air, reduces the loss of pot furnace heat, improves operating efficiency, reduces energy waste, reduces air dirty
Dye, while waste heat recovery and the orderly progress of both desulphurization denitrations, desulfurization off sulfide effect are good, is adapted to boiler in various Chemical Manufactures
Using.
Brief description of the drawings
Fig. 1 is the utility model overall construction drawing；
Wherein, 1 pipe heat exchanger, 2 desulfurization and denitrification reaction devices, 3 flue gas hot air inlets, the cold gas outlet of 4 flue gases, 5 air are cold
Air inlet, the hot gas outlet of 6 air, 7 heat exchanger tubes, 8 lateral partitions, 9 vertical baffles, 10 spray heads, 11 flue gas discharge openings, 12 discharge opeings
Mouthful.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.Therefore, below to attached
The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed scope of the present utility model,
But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the model of the utility model protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or
It is the orientation or position relationship usually put when the utility model product is used, is for only for ease of description the utility model and letter
Change description, rather than indicate or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that indicating or implying relative importance.
In embodiment as shown in Figure 1, a kind of boiler afterheat reclaims desulfuring and denitrifying apparatus, including pipe heat exchanger 1 and desulfurization
Benitration reactor 2, the lower end side of shown pipe heat exchanger 1 is provided with flue gas hot air inlet 3, and it is cold that opposite side is provided with air
Air inlet 5, the upper end side of described pipe heat exchanger 1 is provided with the cold gas outlet 4 of flue gas, and opposite side is provided with the hot outlet of air
Mouthfuls 6, be provided between the cold air inlet 5 of described air and the hot gas outlet 6 of air annular disk around heat exchanger tube 7, described heat exchange
The layering of pipe 7 is set, and is separated between every layer of heat exchanger tube by lateral partitions 8, described one end of lateral partitions 8 and pipe heat exchanger 7
Inwall welding, between the other end and the inwall of pipe heat exchanger 7 be arranged at intervals, the cold gas outlet 4 of described flue gas passes through pipeline
It is connected with the air inlet of desulfurization and denitrification reaction device 2, described desulfurization and denitrification reaction device 2 is internally provided with vertical baffle 9, described
Desulfurization and denitrification reaction device 2 be located at air inlet the other end be provided with flue gas discharge opening 11.
The two sides up and down of described lateral partitions 8 on be provided with electrostatic precipitator, electrostatic precipitator may be selected
For small-sized electrostatic precipitator, it is arranged in lateral partitions, or selection static board, realized by electrostatic to molecule in flue gas
Absorption, reach the effect of dedusting.
It is bolted between lateral partitions and heat exchanger, lateral partitions can according to actual needs, when on dividing plate
When dust is more, it can disassemble and realize deashing, pipe heat exchanger carries out periodic maintenance according to the running situation of boiler, and
Regular deashing, is all dismantled by lateral partitions and heat exchanger tube in deashing, then carries out the cleaning of entirety；Set in lateral partitions
Be equipped with activity installation control interval space slide plate, be bolted to connection between slide plate and lateral partitions, link position
Elongated mounting groove is provided with, is easy to left and right adjusting, the big minor adjustment of clearance space is realized, can be according to the size control of flue gas flow
Tobacco curing air-flow leads to.
The lateral partitions 8 that the described inside of pipe heat exchanger 1 is set form changing between S type smoke flow channels, every layer
Heat pipe 7 is coiled between lateral partitions 8, the heat exchange stroke between increase flue gas and heat exchanger tube, improves heat transfer effect, and in cigarette
The efficiency reduction that heat exchanges heat in gas uphill process, by increasing the coiling number of plies of upper strata heat exchanger tube, improves the recovery of heat, can
To be installed according to actual needs.
One end of vertical baffle 9 inside described desulfurization and denitrification reaction device 2 is welded with reactor wall, the other end and reaction
Device inwall is arranged at intervals.
Described desulfurization and denitrification reaction device 2 is internally located on the vertical baffle 9 in left side and is additionally provided with spray head 10, described
Spray head 10 is connected by slurries pump with alkaline slurry preparation system, alkaline slurry preparation system be lime slurry or ammoniacal liquor,
The effect of desulphurization denitration is reached by acid-base neutralization reaction, and spray head can adjust the size of spray flux, pass through flue gas
Uninterrupted adjusts spray flux, reaches the slurries after the optimum efficiency of desulphurization denitration, desulfurization and denitrification reaction device spray after use
By the leakage fluid dram 12 of desulfurization and denitrification reaction device bottom, liquid is recycled, pollution is prevented.
Described desulfurization and denitrification reaction device 2 is internally located at 9 vapour-liquid phase separations of vertical baffle on right side, on right side
The distance between vertical baffle reduces, and heightens the flow velocity of flue gas, makes vapor-liquid separation, and sulfide and nitridation are set in flue gas outlet
Thing device for fast detecting, and be connected with control device, realize the actually detected of desulphurization denitration.
Operation principle：
This boiler afterheat reclaims desulfuring and denitrifying apparatus and separates progress using both waste heat recovery and desulphurization denitration, is returned in waste heat
The pre- heat effect of combustion air is realized using coiling heat exchanger tube in receipts, and heat smoke is provided between coiling heat exchanger tube
Dividing plate, heat in flue gas formation S types flowing, extension flue gas is exchanged heat with heat exchanger tube, in pipe heat exchanger inside smoke
Then rise after turning back repeatedly, by the interval between multilayer insulating panel, realize the preheating of cold air in flue gas exchange heat pipe, preheating
Time or circuit it is longer, more can improve exchange heat effect, be arranged as required to the spacing distance between horizontal line dividing plate, and
Spacing between every layer of heat exchanger tube is adjusted according to the spacing between dividing plate, is effectively increased the heat of exchange, and every
Electrostatic equipment is set on plate, electrostatic precipitation is carried out to minute dust in flue gas, the flue gas after heat exchange passes through desulfurization and denitrification reaction again
Device carries out desulphurization denitration, and electrostatic equipment can be electrostatic precipitation instrument, can select as static board, be realized by electrostatic to small
The absorption of grain, carries out electrostatic precipitation to flue gas repeatedly during flow of flue gas, effectively increases the effect of dedusting；For desulfurization
Denitration reaction, carries out after heat in saying flue gas effectively reclaim, so reduces during desulphurization denitration to flue gas Central Plains
The loss of some heats, causes heat to scatter and disappear, and realizes the collection of the larger dust of particle, effectively realizes heat in flue gas
Recycling, and to boiler auxiliary combustion preheating of air, the loss of pot furnace heat is reduced, operating efficiency is improved, energy is reduced
Source is wasted, and reduces air pollution, while waste heat recovery and the orderly progress of both desulphurization denitrations, desulfurization off sulfide effect are good, is adapted to each
Plant the application of boiler in Chemical Manufacture.
Above-mentioned embodiment is only specific case of the present utility model, and scope of patent protection of the present utility model includes
But it is not limited to the product form and style of above-mentioned embodiment, a kind of any pot for meeting the utility model claims
Appropriate change or repair that stove waste heat recovery desulfuring and denitrifying apparatus and any person of an ordinary skill in the technical field are done to it
Decorations, should all fall into scope of patent protection of the present utility model.
Claims (6)
1. a kind of boiler afterheat reclaims desulfuring and denitrifying apparatus, including pipe heat exchanger（1）With desulfurization and denitrification reaction device（2）, it is special
Levy and be：Shown pipe heat exchanger（1）Lower end side be provided with flue gas hot air inlet（3）, it is cold that opposite side is provided with air
Air inlet（5）, described pipe heat exchanger（1）Upper end side be provided with the cold gas outlet of flue gas（4）, opposite side is provided with air
Hot gas outlet（6）, the cold air inlet of described air（5）With the hot gas outlet of air（6）Between be provided with annular disk around heat exchanger tube
（7）, described heat exchanger tube（7）Layering is set, and lateral partitions are passed through between every layer of heat exchanger tube（8）Separate, described lateral partitions
（8）One end and pipe heat exchanger（7）Inwall bolt connection, the other end and pipe heat exchanger（7）Inwall between be arranged at intervals,
The cold gas outlet of described flue gas（4）Pass through pipeline and desulfurization and denitrification reaction device（2）Air inlet connection, described desulphurization denitration is anti-
Answer device（2）Be internally provided with vertical baffle（9）, described desulfurization and denitrification reaction device（2）The other end positioned at air inlet is set
There is flue gas discharge opening（11）.
2. a kind of boiler afterheat according to claim 1 reclaims desulfuring and denitrifying apparatus, it is characterised in that：It is described laterally every
Plate（8）Two sides up and down on be provided with electrostatic precipitator.
3. a kind of boiler afterheat according to claim 1 reclaims desulfuring and denitrifying apparatus, it is characterised in that：Described tubular type is changed
Hot device（1）The lateral partitions that inside is set（8）The heat exchanger tube formed between S type smoke flow channels, every layer（7）It is coiled in transverse direction
Dividing plate（8）Between.
4. a kind of boiler afterheat according to claim 1 reclaims desulfuring and denitrifying apparatus, it is characterised in that：Described desulfurization takes off
Nitre reactor（2）Internal vertical baffle（9）One end and reactor wall bolt connection, the other end are set with reactor wall interval
Put.
5. a kind of boiler afterheat according to claim 1 reclaims desulfuring and denitrifying apparatus, it is characterised in that：Described desulfurization takes off
Nitre reactor（2）It is internally located at the vertical baffle in left side（9）On be additionally provided with spray head（10）, described spray head（10）Pass through
Slurries pump is connected with alkaline slurry preparation system.
6. a kind of boiler afterheat according to claim 1 reclaims desulfuring and denitrifying apparatus, it is characterised in that：Described desulfurization takes off
Nitre reactor（2）It is internally located at the vertical baffle on right side（9）Play vapour-liquid phase separation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198548.0U CN206424777U (en) | 2017-03-02 | 2017-03-02 | A kind of boiler afterheat reclaims desulfuring and denitrifying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198548.0U CN206424777U (en) | 2017-03-02 | 2017-03-02 | A kind of boiler afterheat reclaims desulfuring and denitrifying apparatus |
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|---|---|
| CN206424777U true CN206424777U (en) | 2017-08-22 |
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| CN201720198548.0U Active CN206424777U (en) | 2017-03-02 | 2017-03-02 | A kind of boiler afterheat reclaims desulfuring and denitrifying apparatus |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800966A (en) * | 2018-09-05 | 2018-11-13 | 安徽磐盛新型材料科技有限公司 | A kind of air-cooled thermal cycle of flue gas utilizes cooling system |
| CN109621710A (en) * | 2018-12-28 | 2019-04-16 | 中国化学工程第六建设有限公司 | Low-temperature denitrifying system and method for denitration |
| CN109999589A (en) * | 2019-05-24 | 2019-07-12 | 鞍山美城城市环境服务有限公司 | A kind of coal furnace flue gas emission processing unit and flue gas treating process |
| CN110145744A (en) * | 2019-05-08 | 2019-08-20 | 未名合一生物环保有限公司 | A kind of incineration firing room aqueous vapor separates recycling-guard device |
| CN110614030A (en) * | 2019-09-25 | 2019-12-27 | 安徽国能亿盛环保科技有限公司 | Low-consumption carbon-based catalytic desulfurization and denitrification device for flue gas purification |
| CN111503709A (en) * | 2020-04-29 | 2020-08-07 | 重庆大学 | Biomass fuel boiler assisted solar hot water heating system and regulation and control method |
| CN111795593A (en) * | 2020-07-20 | 2020-10-20 | 倪浩 | Gas boiler waste heat recycling method |
-
2017
- 2017-03-02 CN CN201720198548.0U patent/CN206424777U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800966A (en) * | 2018-09-05 | 2018-11-13 | 安徽磐盛新型材料科技有限公司 | A kind of air-cooled thermal cycle of flue gas utilizes cooling system |
| CN109621710A (en) * | 2018-12-28 | 2019-04-16 | 中国化学工程第六建设有限公司 | Low-temperature denitrifying system and method for denitration |
| CN109621710B (en) * | 2018-12-28 | 2021-07-13 | 中国化学工程第六建设有限公司 | Low-temperature denitration system and denitration method |
| CN110145744A (en) * | 2019-05-08 | 2019-08-20 | 未名合一生物环保有限公司 | A kind of incineration firing room aqueous vapor separates recycling-guard device |
| CN110145744B (en) * | 2019-05-08 | 2020-10-16 | 未名合一生物环保有限公司 | Water-gas separation circulation protection device of garbage combustion chamber |
| CN109999589A (en) * | 2019-05-24 | 2019-07-12 | 鞍山美城城市环境服务有限公司 | A kind of coal furnace flue gas emission processing unit and flue gas treating process |
| CN110614030A (en) * | 2019-09-25 | 2019-12-27 | 安徽国能亿盛环保科技有限公司 | Low-consumption carbon-based catalytic desulfurization and denitrification device for flue gas purification |
| CN111503709A (en) * | 2020-04-29 | 2020-08-07 | 重庆大学 | Biomass fuel boiler assisted solar hot water heating system and regulation and control method |
| CN111503709B (en) * | 2020-04-29 | 2022-02-11 | 重庆大学 | Biomass fuel boiler assisted solar hot water heating system and regulation and control method |
| CN111795593A (en) * | 2020-07-20 | 2020-10-20 | 倪浩 | Gas boiler waste heat recycling method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 277200 No.1, Yinshan Industrial Park, economic development zone, Shanting District, Zaozhuang City, Shandong Province Patentee after: Shandong tongtaiweirun Food Technology Co., Ltd Address before: 277200 Shandong city of Zaozhuang province Shanting District City Town waterlogging Stephen East Village Patentee before: SHANDONG TONGTAIWEIRUN FOOD SCIENCE TECH Co.,Ltd. |
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| CP03 | Change of name, title or address |