CN203639431U - Flue gas purification system for thermolysis gasification furnace - Google Patents
Flue gas purification system for thermolysis gasification furnace Download PDFInfo
- Publication number
- CN203639431U CN203639431U CN201320860463.6U CN201320860463U CN203639431U CN 203639431 U CN203639431 U CN 203639431U CN 201320860463 U CN201320860463 U CN 201320860463U CN 203639431 U CN203639431 U CN 203639431U
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- flue gas
- tower
- flue
- gas outlet
- waste heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a flue gas purification system for a thermolysis gasification furnace. The flue gas purification system for the thermolysis gasification furnace comprises a thermolysis gasification furnace, a combustion furnace, a waste heat boiler, a quench tower, a neutralization reaction tower, a bag-type dust remover, a draught fan, a washing tower and a chimney, wherein the flue gas outlet of the thermolysis gasification furnace is connected into an injection combustion furnace of the combustion furnace by virtue of a flue gas pipeline, the flue gas outlet of the combustion furnace is connected into the waste heat boiler by virtue of a flue gas pipeline, the flue gas outlet of the waste heat boiler is connected into the top of the quench tower by virtue of a flue gas pipeline, the flue gas outlet of the quench tower is connected into the neutralization reaction tower by virtue of a flue gas pipeline, the flue gas outlet of the neutralization reaction tower is connected into the flue gas inlet of the bag-type dust remover, the flue gas outlet of the bag-type dust remover is connected with the draught fan, and the draught fan is connected into the washing tower and the chimney by virtue of a flue gas pipeline. The flue gas purification system for the thermolysis gasification furnace has the advantages that the combustion furnace is utilized for carrying out secondary combustion, heat is supplied to the waste heat boiler, waste heat is utilized, and acid gas in flue gas is washed by the washing tower again before entering the chimney, so that further neutralization treatment is carried out, flue gas evacuation temperature is reduced, and less dew is formed.
Description
Technical field
The utility model relates to a kind of pyrolytic gasification stove flue gas purification system of disposing Biohazard Waste.
Background technology
the processing of the clinical refuse of medical treatment, Pharmaceutical wastes and useless medicine, medicine is that modern society needs one of problem of solution badly.Above-mentioned treatment of wastes produced is the needs of protection of the environment on the one hand, and above-mentioned refuse may contain a large amount of toxic substances on the other hand, can produce secondary pollution if do not process.Existing technology is normally directly burned, and waste gas directly enters atmosphere, for fear of secondary pollution, the flue gas of generation need be carried out to purifying treatment, makes it reach emission standard.A solution is now provided.
Utility model content
The purpose of this utility model is to provide a kind of pyrolytic gasification stove flue gas purification system.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of pyrolytic gasification stove flue gas purification system, comprise pyrolytic gasification stove, roasting kiln, waste heat boiler, quench tower, neutralization reaction tower, sack cleaner, induced draft fan, washing tower and chimney, the exhanst gas outlet of described pyrolytic gasification stove accesses by flue in the spray burner of roasting kiln, the exhanst gas outlet of roasting kiln accesses in waste heat boiler by flue, the exhanst gas outlet of waste heat boiler accesses quench tower top by flue, the exhanst gas outlet of quench tower accesses neutralization reaction tower by flue, the exhanst gas outlet of neutralization reaction tower accesses the gas approach of sack cleaner by flue, the exhanst gas outlet of sack cleaner connects induced draft fan by flue, induced draft fan accesses washing tower and chimney by flue, wherein in washing tower, be provided with shower, washing tower and chimney are to be made up of glass steel material.
In the utility model: described neutralization reaction tower is connected with activated-carbon device with slaked lime device by pipeline.
In the utility model: described quench tower is connected with alkali lye circulatory pool by drainage pipeline.
In the utility model: described alkali lye circulatory pool is connected by NaOH solution circulating pump chimney lower wash tower, and washing tower bottom water outlet is connected with alkali lye circulatory pool by drainage pipeline.
The beneficial effects of the utility model: the utility model utilizes roasting kiln to carry out secondary combustion on the one hand, heat is offered to waste heat boiler, by carrying out heat exchange in waste heat boiler, make full use of waste heat, flue gas after secondary combustion is simultaneously by entering quench tower, neutralization reaction tower and sack cleaner, can carry out filtration, purification to the gas of burning, qualified discharge, sour gas in flue gas washs again through washing tower before entering chimney on the other hand, further carry out neutralizing treatment and reduce the emptying temperature of flue gas, reduce dewfall, not only be conducive to the recycle of resource, and be conducive to the protection of environment.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Wherein: 1, pyrolytic gasification stove, 2, roasting kiln, 3, waste heat boiler, 4, quench tower, 5, neutralization reaction tower, 6, sack cleaner,, 7, induced draft fan, 8, chimney, 9, spray burner, 10, slaked lime device, 11, activated-carbon device, 12, alkali lye circulatory pool, 13, NaOH solution circulating pump, 14, alkali lye pond, 15, shower, 16, washing tower.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of pyrolytic gasification stove flue gas purification system, comprise pyrolytic gasification stove 1, roasting kiln 2, waste heat boiler 3, quench tower 4, neutralization reaction tower 5, sack cleaner 6, induced draft fan 7, washing tower 16 and chimney 8, the exhanst gas outlet of described pyrolytic gasification stove 1 accesses by flue in the spray burner 9 of roasting kiln 2, the exhanst gas outlet of roasting kiln 2 accesses in waste heat boiler 3 by flue, the exhanst gas outlet of waste heat boiler 3 accesses quench tower 4 tops by flue, the exhanst gas outlet of quench tower 4 accesses neutralization reaction tower 5 by flue, the exhanst gas outlet of neutralization reaction tower 5 accesses the gas approach of sack cleaner 6 by flue, the exhanst gas outlet of sack cleaner 6 connects induced draft fan 7 by flue, air inducing 7 machines access washing tower 16 chimneys 8 by flue, wherein in washing tower 16, be provided with shower 15, washing tower 16 and chimney 8 are to be made up of glass steel material.Described neutralization reaction tower 5 is connected with activated-carbon device 11 with slaked lime device 10 by pipeline; Described quench tower 4 is connected with alkali lye circulatory pool 12 by drainage pipeline; Described alkali lye circulatory pool 2 is connected with chimney 8 lower wash towers 16 by NaOH solution circulating pump 13, and washing tower 16 bottoms are connected with alkali lye circulatory pool 12 by drainage pipeline by water outlet.
When work, the clinical waste gas of pyrolytic gasification stove 1 pyrolysis enters roasting kiln 2, and the gas after roasting kiln 2 burning enters waste heat boiler 3, and waste heat boiler 3 exports that high-temperature flue gas is cooling rapidly to be completed in quench tower 4.Waste heat boiler 3 exit gas temperatures are at 550～580 DEG C, quench tower 4 inwall brushing acid-resistant anticorrosion paints, then join the corrosion-resistant dual mould material of resistance to erosion.At the utility model, the injection flow rate 800kg/h(Max that quench tower 4 needs), select 55 ° of spray gun atomization angles.The Ca (OH) of the interior employing of alkali lye circulatory pool 12 3%-5% left and right
2alkali lye is for purifying absorption agent, by Ca (OH)
2drop into stirred pot, add cold water, stir, drop into after filtering in alkali lye circulatory pool 12, make liquid pH value ≈ 8 in alkali lye circulatory pool 12, just can reach the same effect of utilizing NaOH alkali lye disacidify, reduced running cost simultaneously.Flue gas enters in absorption tower from quench tower 4 tops, fully mixes with the alkali lye of atomization ejection at spray gun lower zone flue gas.First stage: flue gas is at Ta Nei and Ca (OH)
2solution droplet mixes, the sour gas in flue gas and Ca (OH)
2the reaction of solution generation acid-base neutralisation; Subordinate phase: the heat of flue gas makes the moisture evaporation in alkali lye droplet, alkali lye and smoke reaction resultant become solid-state particulate matter, these particulate matter are attached on the bottom and the follow-up interior cloth bag of sack cleaner 6 surface of tower, again, with gaseous pollutant generation chemical reaction, total pollutant purification reaction efficiency is improved.Effect through the gas of sack cleaner 6 through induced draft fan 7, enter chimney 8 with by carrying out harmless discharge after NaOH solution circulating pump 13 expel liquid hybrid reactions.
Claims (4)
1. a pyrolytic gasification stove flue gas purification system, it is characterized in that, comprise pyrolytic gasification stove, roasting kiln, waste heat boiler, quench tower, neutralization reaction tower, sack cleaner, induced draft fan, washing tower and chimney, the exhanst gas outlet of described pyrolytic gasification stove accesses by flue in the spray burner of roasting kiln, the exhanst gas outlet of roasting kiln accesses in waste heat boiler by flue, the exhanst gas outlet of waste heat boiler accesses quench tower top by flue, the exhanst gas outlet of quench tower accesses neutralization reaction tower by flue, the exhanst gas outlet of neutralization reaction tower accesses the gas approach of sack cleaner by flue, the exhanst gas outlet of sack cleaner connects induced draft fan by flue, induced draft fan accesses washing tower and chimney by flue, wherein in washing tower, be provided with shower, washing tower and chimney are to be made up of glass steel material.
2. a kind of pyrolytic gasification stove flue gas purification system according to claim 1, is characterized in that, described neutralization reaction tower is connected with activated-carbon device with slaked lime device by pipeline.
3. a kind of pyrolytic gasification stove flue gas purification system according to claim 1, is characterized in that, described quench tower is connected with alkali lye circulatory pool by drainage pipeline.
4. a kind of pyrolytic gasification stove flue gas purification system according to claim 3, is characterized in that, described alkali lye circulatory pool is connected with chimney lower wash tower by NaOH solution circulating pump, and washing tower bottom water outlet is connected with alkali lye circulatory pool by drainage pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320860463.6U CN203639431U (en) | 2013-12-25 | 2013-12-25 | Flue gas purification system for thermolysis gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320860463.6U CN203639431U (en) | 2013-12-25 | 2013-12-25 | Flue gas purification system for thermolysis gasification furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203639431U true CN203639431U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320860463.6U Expired - Fee Related CN203639431U (en) | 2013-12-25 | 2013-12-25 | Flue gas purification system for thermolysis gasification furnace |
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| CN (1) | CN203639431U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655010A (en) * | 2017-10-18 | 2018-02-02 | 厦门东江环保科技有限公司 | Industrial waste destructive gasifying is pyrolyzed disposal system |
| CN109806758A (en) * | 2019-03-17 | 2019-05-28 | 袁家彬 | One kind is industrially desulfurized to use exhaust treating purifier |
-
2013
- 2013-12-25 CN CN201320860463.6U patent/CN203639431U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655010A (en) * | 2017-10-18 | 2018-02-02 | 厦门东江环保科技有限公司 | Industrial waste destructive gasifying is pyrolyzed disposal system |
| CN107655010B (en) * | 2017-10-18 | 2024-04-05 | 厦门东江环保科技有限公司 | Industrial waste dry distillation gasification pyrolysis treatment system |
| CN109806758A (en) * | 2019-03-17 | 2019-05-28 | 袁家彬 | One kind is industrially desulfurized to use exhaust treating purifier |
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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: 20140611 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |