CN209475892U - A kind of dust removing treatment system for gas burner - Google Patents
A kind of dust removing treatment system for gas burner Download PDFInfo
- Publication number
- CN209475892U CN209475892U CN201821976650.XU CN201821976650U CN209475892U CN 209475892 U CN209475892 U CN 209475892U CN 201821976650 U CN201821976650 U CN 201821976650U CN 209475892 U CN209475892 U CN 209475892U
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- China
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- gas
- water
- combustion furnace
- gas burner
- treatment system
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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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
The utility model provides a kind of dust removing treatment system for gas burner, including combustion furnace, cyclone dust collectors, heat exchange unit, water dust scrubber and gas washing unit, combustion furnace has air inlet and exhaust outlet, gas burner flue gas discharge opening is connected to by cyclone dust collectors with combustion furnace air inlet, combustion furnace exhaust outlet is connected to after being sequentially connected in series heat exchange unit, gas washing unit with water dust scrubber, among water dust scrubber outlet access atmospheric environment.Using the technical solution of the utility model, separation and the dustproof function of cyclone dust collectors are first passed around by the tail gas that gas burner generates, after inciting somebody to action wherein big partial size solid particle separation, using after exchanging heat with high-temperature steam be sent into combustion furnace in full combustion, solid particulate matter burning therein is set to become ashes, sufficiently solid particulate matter is filtered out after being washed again by gas washing unit later, solid particulate matter content in the gas being discharged into atmospheric environment is made to be less than 80mg/m3, reached national emission standard, protected environment.
Description
Technical field
The utility model relates to tail gas treatment process equipment technology field, particularly relate at a kind of dedusting for gas burner
Reason system.
Background technique
In current nitric acid chemical company, gas burner is widely used as burner, is generated after gas burner burning
Contain a large amount of solid particulate matter in a large amount of tail gas, it is very big to the destruction of ecological environment if being expelled directly out.Existing cigarette
In gas processing system, generally handled only with processing modes such as filtering, separation, it, can will be in flue gas in oepration at full load
Solid particulate matter content be reduced to 140-150mg/m3Left and right, and solid particulate matter in flue gas as defined in national emission standard
Content should be less than 80mg/m3.Therefore, in order to reduce the content of solid particulate matter in flue gas, flue gas ash removal efficiency is improved, to dedusting
Treatment process and its system improve extremely urgent.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of dust removing treatment system for gas burner.
The utility model is achieved by the following technical programs.
The utility model provides a kind of dust removing treatment system for gas burner, mainly includes combustion furnace, cyclone dust removal
Device, heat exchange unit, water dust scrubber and gas washing unit, the combustion furnace have air inlet and exhaust outlet, the discharge of coal gas kiln gas
Mouth is connected to by cyclone dust collectors with the combustion furnace air inlet, and the combustion furnace exhaust outlet is sequentially connected in series heat exchange unit, gas washing
It is connected to after unit with the water dust scrubber, among the water dust scrubber outlet access atmospheric environment.
The cyclone dust collectors quantity is at least two, after the connection of multiple cyclone dust collectors inlet parallels with coal gas kiln gas
Outlet is connected, and multiple cyclone entrances are connected to after being connected in parallel with the combustion furnace air inlet.
The heat exchange unit includes the water cooler being sequentially connected in series, high-temperature air preheater, steam superheater, steam hair
Raw device, soft water heater, low-temperature air preheater, the water cooler import are connected to the combustion furnace exhaust outlet, the low temperature
Air preheater is connected to the water dust scrubber.
The low-temperature air preheater also passes through air blower and obtains air from atmospheric environment, then passes through connecting pipe
Acquired air is sent within the combustion furnace by the high-temperature air preheater.
The soft water heater also obtains desalted water by water supply pump, then is sent acquired desalted water by connecting pipe
Enter the steam generator.
The steam that the steam generator is also generated is recycled within the steam superheater to be sent out after heating.
The gas washing unit includes that circulating water pool, baffle-box and multiple aeration towers being arranged in juxtaposition, each aeration tower have
There is the air inlet for being set to its tower body lower part and be set to the gas outlet of its tower top, the heat exchange unit outlet is washed with each respectively
The connection of gas tower air inlet, each aeration tower gas outlet are connected to the water dust scrubber again after accessing baffle-box, recirculated water
Ejected wash water is supplied to each aeration tower tower body top by water circulating pump in pond, then is recycled in aeration tower tower bottom by making by ditch
Ejected wash water after.
The aeration tower air inlet is not less than 1 meter relative to the distance between its tower bottom.
Space is additionally provided with demisting plate within aeration tower tower body top.
The water dust scrubber outlet accesses among atmospheric environment after being sequentially connected in series air-introduced machine, chimney.
The utility model has the beneficial effects that: using the technical solution of the utility model, by the tail gas of gas burner generation
Separation is discharged in separation and the dustproof function for first passing around cyclone dust collectors, the particulate matter by partial size in tail gas greater than 15um or more,
Burn in feeding combustion furnace after the tail gas after separation is carried out mixed heat transfer with high-temperature vapor again, due to sending
Tail gas have passed through preheating before entering combustion furnace, keep its burning more abundant, and solid particulate matter burning therein becomes ashes, force it
Partial size reduces, then will be sent into gas washing unit by burning treated tail gas and clean, and makes solid particulate matter and water therein
It after being attached together, is discharged by aeration tower tower bottom, and passes through gas washing treated that tail gas is transformed to clean gas, by moisture film
Deduster is discharged in atmospheric environment after further refining filtering, has achieved the purpose that thoroughly to understand the solid particulate matter in tail gas,
Solid particulate matter content in gas is discharged and is less than 80mg/m3, reach national emission standard, it is harmless, be conducive to protect environment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 2- cyclone dust collectors, 5- buffer, 7- Safety water seal, 8- separator, 9- combustion furnace, 10- water cooler, 11-
High-temperature air preheater, 12- steam superheater, 13- steam generator, 14- soft water heater, 15- low-temperature air preheater,
16- blind plate, 17- water dust scrubber, 18- aeration tower, 20- baffle-box, 21- air-introduced machine, 22- chimney, 23- water supply pump, 26- circulation
Water pump, 27- circulating water pool, 28- air blower.
Specific embodiment
Be described further below the technical solution of the utility model, but claimed range be not limited to it is described.
As shown in Figure 1, the utility model provides a kind of dust removing treatment system for gas burner, including combustion furnace 9, rotation
Wind deduster 2, heat exchange unit, water dust scrubber 17 and gas washing unit, combustion furnace 9 have air inlet and exhaust outlet, gas burner cigarette
Gas outlet is connected to by cyclone dust collectors 2 with 9 air inlet of combustion furnace, and 9 exhaust outlet of combustion furnace is sequentially connected in series heat exchange unit, gas washing
It is connected to after unit with water dust scrubber 17, among the outlet of water dust scrubber 17 access atmospheric environment.
Using the technical solution of the utility model, by the tail gas that gas burner generates first pass around cyclone dust collectors separation and
Dustproof function, by partial size in tail gas greater than 15um or more particulate matter be discharged separation, then by by separation after tail gas and high temperature
Vapor carry out mixed heat transfer after burn in feeding combustion furnace, due to be sent into combustion furnace before tail gas have passed through it is pre-
Heat keeps its burning more abundant, and solid particulate matter burning therein becomes ashes, forces its partial size to reduce, then will be by burning
Tail gas after reason is sent into gas washing unit and is cleaned, and after being attached together solid particulate matter therein and water, passes through aeration tower
Tower bottom discharge, and pass through gas washing treated that tail gas is transformed to clean gas, after water dust scrubber further refine and is filtered
It is discharged in atmospheric environment, has achieved the purpose that thoroughly to understand the solid particulate matter in tail gas, solid particulate matter in gas is discharged and contains
Amount is less than 80mg/m3, reach national emission standard, it is harmless, be conducive to protect environment.
Further, 2 quantity of cyclone dust collectors is at least two, after the connection of multiple 2 inlet parallels of cyclone dust collectors with coal gas
Kiln gas outlet is connected, and multiple outlets of cyclone dust collectors 2 are connected to after being connected in parallel with 9 air inlet of combustion furnace.It is practical using this
The utility model processing system can be improved to the processing energy of tail gas by the way that multiple cyclone dust collectors 2 are arranged in novel technical solution
Power increases tail gas and passes through flow.
Further, heat exchange unit includes the water cooler 10 being sequentially connected in series, high-temperature air preheater 11, steam superheating
Device 12, steam generator 13, soft water heater 14, low-temperature air preheater 15,10 import of water cooler and 9 exhaust outlet of combustion furnace connect
Logical, low-temperature air preheater 15 is connected to water dust scrubber 17.By heat exchange unit, the tail gas after separation is made to be sent into combustion
By having reached enough preheating temperatures with high-temperature steam heat exchange before burning furnace, so that it is made to burn in combustion furnace more sufficiently,
Making the solid particulate matter full combustion of greater particle size therein becomes ashes, to reduce its partial size.
It is preferred that low-temperature air preheater 15 also obtains air by air blower 28 from atmospheric environment, then pass through connection
Acquired air is sent within combustion furnace 9 by pipeline by high-temperature air preheater 11.It is preferred that soft water heater 14 also passes through
Water supply pump 23 obtains desalted water, then acquired desalted water is sent into steam generator 13 by connecting pipe.For generating height
The water of warm steam avoids wherein salt and is mixed within combustion furnace from desalted water, sufficiently to remove the solid in tail gas
Grain object is laid a good foundation.
It is sent out after heating it is preferred that the steam that steam generator 13 is also generated is recycled within steam superheater 12.
The steam that the part is sent out can be used in other technique processes in nitric acid production enterprise using, and be imitated with improving utilizing for steam
Rate.
Further, gas washing unit includes circulating water pool 27, baffle-box 20 and multiple aeration towers 18 being arranged in juxtaposition, each
The gas outlet that aeration tower 18 all has the air inlet for being set to its tower body lower part and is set to its tower top, heat exchange unit outlet difference
Be connected to each 18 air inlet of aeration tower, each 18 gas outlet of aeration tower access after baffle-box 20 again with water dust scrubber 17
Connection, circulating water pool 27 supplies ejected wash water to each 18 tower body top of aeration tower by water circulating pump 26, then is being washed by ditch
18 tower bottom of gas tower recycles the ejected wash water after using.Using the technical solution of the utility model, containing largely solid compared with small particle
The flue gas of body particulate matter is sent by aeration tower tower body lower part, and the ejected wash water being sent into then moves from top to bottom, ejected wash water and flue gas
Flow direction is exactly the opposite, comes into full contact with ejected wash water with the solid particulate matter in flue gas, to thoroughly make solid particulate matter attached
Be sent after Yu Shuizhong, improve the separative efficiency of solid particulate matter.
It is preferred that 18 air inlet of aeration tower is not less than 1 meter relative to the distance between its tower bottom.18 tower body top of aeration tower with
Interior space is additionally provided with demisting plate.Can further process of refinement it be made by separation, gas washing treated flue gas by demisting plate
Discharge gas more cleans.
Further, 17 import of water dust scrubber is also installed together with heat exchange unit outlet and is separated by blind plate 16.
Using the technical solution, the big quantity space of equipment installation can be saved, 18 quantity of aeration tower is 2.The outlet of steam generator 13 is also
It is connected to by sewage pipe with external environment, blowdown valve 25 is provided on sewage pipe.
It is preferred that the outlet of water dust scrubber 17 be sequentially connected in series after air-introduced machine 21, chimney 22 access atmospheric environment it
In.Using the technical solution, there is backflow effeet in discharge in the clean gas that can avoid after treatment.
It further, further include bypass air supply unit for the dust removing treatment system of gas burner, bypass air supply unit includes
Buffer 5, Safety water seal 7 and the separator 8 being sequentially connected in series, separator 8 access 9 air inlet of combustion furnace, and buffer 5 is distinguished
It is connected in all kinds of flue gases.Using the technical solution, the processing energy of the utility model flue gas ash removal processing system can be further promoted
Power, and be capable of handling the various tail gas from various processes, focuses on various tail gas, for enterprise improve through
Ji benefit, protects environment.
Claims (10)
1. a kind of dust removing treatment system for gas burner, it is characterised in that: including combustion furnace (9), cyclone dust collectors (2), change
Hot cell, water dust scrubber (17) and gas washing unit, the combustion furnace (9) have air inlet and exhaust outlet, coal gas kiln gas row
Outlet is connected to by cyclone dust collectors (2) with the combustion furnace (9) air inlet, and combustion furnace (9) exhaust outlet, which is sequentially connected in series, to be changed
It is connected to after hot cell, gas washing unit with the water dust scrubber (17), water dust scrubber (17) outlet access is extraneous big
Among compression ring border.
2. the dust removing treatment system according to claim 1 for gas burner, it is characterised in that: the cyclone dust collectors
(2) quantity is at least two, is connected after multiple cyclone dust collectors (2) inlet parallel connections with gas burner flue gas discharge opening, Duo Gexuan
Wind deduster (2) outlet is connected to after being connected in parallel with the combustion furnace (9) air inlet.
3. the dust removing treatment system according to claim 1 for gas burner, it is characterised in that: the heat exchange unit includes
It is the water cooler (10) that is sequentially connected in series, high-temperature air preheater (11), steam superheater (12), steam generator (13), soft
Water heater (14), low-temperature air preheater (15), water cooler (10) import are connected to the combustion furnace (9) exhaust outlet,
The low-temperature air preheater (15) is connected to the water dust scrubber (17).
4. the dust removing treatment system according to claim 3 for gas burner, it is characterised in that: the Cryogenic air preheating
Device (15) also obtains air by air blower (28) from atmospheric environment, then is passed through acquired air by connecting pipe
The high-temperature air preheater (11) are crossed to be sent within the combustion furnace (9).
5. the dust removing treatment system according to claim 3 for gas burner, it is characterised in that: the soft water heater
(14) desalted water also is obtained by water supply pump (23), then acquired desalted water is sent by the steam generation by connecting pipe
Device (13).
6. the dust removing treatment system according to claim 3 for gas burner, it is characterised in that: the steam generator
(13) steam also generated is recycled within the steam superheater (12) to be sent out after heating.
7. the dust removing treatment system according to claim 1 for gas burner, it is characterised in that: the gas washing unit includes
Circulating water pool (27), baffle-box (20) and multiple aeration towers (18) being arranged in juxtaposition, each aeration tower (18), which all has, to be set to
The air inlet of its tower body lower part and the gas outlet for being set to its tower top, the heat exchange unit outlet respectively with each aeration tower (18)
Air inlet connection, each aeration tower (18) gas outlet is accessed after baffle-box (20) to be connected with the water dust scrubber (17) again
Logical, circulating water pool (27) supplies ejected wash water to each aeration tower (18) tower body top by water circulating pump (26), then passes through ditch
The ejected wash water after using is recycled in aeration tower (18) tower bottom.
8. the dust removing treatment system according to claim 7 for gas burner, it is characterised in that: the aeration tower (18) into
Port is not less than 1 meter relative to the distance between its tower bottom.
9. the dust removing treatment system according to claim 7 for gas burner, it is characterised in that: aeration tower (18) tower
Space is additionally provided with demisting plate within body.
10. the dust removing treatment system according to claim 7 for gas burner, it is characterised in that: the water dust scrubber
(17) outlet accesses among atmospheric environment after being sequentially connected in series air-introduced machine (21), chimney (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821976650.XU CN209475892U (en) | 2018-11-28 | 2018-11-28 | A kind of dust removing treatment system for gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821976650.XU CN209475892U (en) | 2018-11-28 | 2018-11-28 | A kind of dust removing treatment system for gas burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209475892U true CN209475892U (en) | 2019-10-11 |
Family
ID=68116857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821976650.XU Expired - Fee Related CN209475892U (en) | 2018-11-28 | 2018-11-28 | A kind of dust removing treatment system for gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209475892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364669A (en) * | 2018-11-28 | 2019-02-22 | 贵州开磷息烽合成氨有限责任公司 | A kind of gas burner blowing-out gas flue gas ash removal processing system |
-
2018
- 2018-11-28 CN CN201821976650.XU patent/CN209475892U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364669A (en) * | 2018-11-28 | 2019-02-22 | 贵州开磷息烽合成氨有限责任公司 | A kind of gas burner blowing-out gas flue gas ash removal processing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191011 Termination date: 20201128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |