CN208990483U - A kind of exhaust treatment system for lead-acid accumulator - Google Patents
A kind of exhaust treatment system for lead-acid accumulator Download PDFInfo
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- CN208990483U CN208990483U CN201821563664.9U CN201821563664U CN208990483U CN 208990483 U CN208990483 U CN 208990483U CN 201821563664 U CN201821563664 U CN 201821563664U CN 208990483 U CN208990483 U CN 208990483U
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- exhaust
- lead
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- outlet side
- desulphurization
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Abstract
The utility model discloses a kind of exhaust treatment systems and its application method for lead-acid accumulator, the system includes the closed gas gathering system (1) of integration connection and exhaust gas purification system (2), exhaust gas purification system (2) include dust pelletizing system (21), dynamical system (22), desulphurization system (23) and exhaust system (24)；Dust pelletizing system (21) includes multitube settler (211) and bag filter (212)；Desulphurization system (23) includes condensation devulcanizer (231), sodium alkali desulfurization tower (232) and calcium alkali desulfurizing tower (233)；Exhaust system (24) includes the online flue gas inspection instrument (242) of discharge chimney (241) and setting in discharge chimney (241).It can be improved gas cleaning efficiency, substantially reduce Pb concentration of emission, realize the exhaust gas qualified discharge that lead-acid accumulator molten lead generates.
Description
Technical field
The utility model relates to the technical field of waste lead acid battery recycling, and in particular to a kind of for lead-acid accumulator
Exhaust treatment system.
Background technique
After waste lead acid battery abandoned, no matter in an atmosphere or buried in underground, the shell of battery can slowly corrode,
Heavy metal ion therein can gradually be overflowed with sepage, dissolved in soil or water body and absorbed by the root system of plant, work as livestock
When using plant as foodstuff, heavy metal is just had accumulated in vivo.Grain, vegetables and meat, water of the mankind anthropophagy containing heavy metal, along this
Food chain, heavy metal will be enriched in human body.Since heavy metal ion is difficult to drain in human body, eventually damage people's
Nervous system and liver function.Therefore recycling old and useless battery has important meaning to conservation of nature environment and human health
Justice.When recycling waste and old lead acid accumulator, the Plante-type plate of lead-acid accumulator is in the production that smelting reduction is lead bullion raw material
Cheng Zhonghui generates a large amount of harmful exhaust, if being directly discharged to will cause atmosphere pollution in air.Therefore it has to pass through at purification
Reason can just discharge, in this regard, there is stringent discharge standard in country.
Summary of the invention
To solve the above problems, the utility model provides a kind of exhaust treatment system for lead-acid accumulator and its use
Method can be realized exhaust gas qualified discharge.The technical scheme adopted by the utility model is
The utility model provides a kind of exhaust treatment system for lead-acid accumulator, including closed gas gathering system and tail
Gas purification system, the two are integration connection, and each equipment in system can not independent operating.
Exhaust gas purification system includes dust pelletizing system, dynamical system, desulphurization system and exhaust system.The inlet end of dust pelletizing system
Be connected with closed gas gathering system, the outlet side of dust pelletizing system is connected with the inlet end of desulphurization system, the outlet side of desulphurization system with
The inlet end of exhaust system is connected, and dynamical system is arranged inside desulphurization system.Dust pelletizing system includes multitube settler and cloth bag
Deduster, multitube settler inlet end are connected with closed gas gathering system, and outlet side is connected with the inlet end of bag filter；Desulfurization
System includes condensation devulcanizer, sodium alkali desulfurization tower and calcium alkali desulfurizing tower, condenses the outlet of devulcanizer inlet end and bag filter
End is connected, and the outlet side of sodium alkali desulfurization tower is connected with the inlet end of calcium alkali desulfurizing tower；Dynamical system is located at going out for condensation devulcanizer
Between gas end and the inlet end of sodium alkali desulfurization tower；Exhaust system is discharge chimney, is connected with the outlet side of calcium alkali desulfurizing tower, is arranging
It puts and is equipped with online flue gas inspection instrument in chimney.Dust pelletizing system can remove leaded dust and molecule in flue gas, desulphurization system
The pernicious gases such as the sulfur dioxide in exhaust gas can be removed.
Preferably, dynamical system is air-introduced machine, for driving entire exhaust treatment system.
Preferably, the spray equipment for removing sulfur-containing compound is provided in sodium alkali desulfurization tower and calcium alkali desulfurizing tower, with
Cleaning exhaust gas is carried out by the way of direct water spray.The extremely strong soda of activity is first used to absorb the dioxy in exhaust gas as absorbent
Change sulphur, then absorbing liquid is regenerated with calcium alkali again, the regeneration of calcium alkali, soda are realized while reaching high efficiency desulfurization effect
Recycling, greatly reduces operating cost.
Preferably, the exhaust treatment system further includes drying pre- desulphurization plant.The equipment is independently of integration connection
Closed gas gathering system and exhaust gas purification system, purposes are to enter stokehold first for raw material stoving and pre- desulfurization in raw material.
Preferably, the exhaust treatment system is in the state of full negative pressure in the process of running, can effectively prevent operating
Exhaust gas in the process leaks problem.
Preferably, the application method of the exhaust treatment system includes the following steps:
S1, gas sampling: by lead-acid accumulator Plante-type plate after drying pre- desulphurization plant processing, in full negative pressure sealed furnace
It is interior to use clean energy resource heated by natural gas, prevent excessive CO, CO2And nitrogen oxides, molten lead generates flue gas A, in air inducing
Under machine driving, flue gas A enters in multitube settler；
S2, dust removal process: flue gas A baffling first above and below the pipeline of multitube settler falls into setting from great dust
In the flue-dust retainer of device bottom, primary dust removing is completed；It enters back into bag filter, filters out molecule, complete second level
Dedusting, the exhaust gas B for the leaded dust that is removed；
S3, desulfurization process: exhaust gas B initially enters condensation devulcanizer under air-introduced machine driving, and the sulfur dioxide in exhaust gas B is cold
Condensation goes out, and completes first grade desulfurizing；It is successively passed through in sodium alkali desulfurization tower and calcium alkali disconnector and cleans again, complete two, three-level desulfurization, obtain
To exhaust gas C, the sulfur-containing waste water access water treatment system after condensation and washing is handled；
S4, exhaust gas discharge: for exhaust gas C by discharge chimney discharge, the compositional data of exhaust gas C is real by online flue gas inspection instrument
When synchronized upload to possession Environmental Protection Agency.
Preferably, the preprocessing process of the pre- desulphurization plant of drying described in S1 uses counterflow negative sealing technology, can countercurrently hinder
Only exhaust gas leakage makes entire production process be full negative-pressure operation, no any cigarette that leaks by vacuumizing generation inside and outside differential pressure
Gas.
Preferably, the dust removal process of bag filter described in S2 regurgitates blow moulding using pulse, is generated using back draught
Molecule in flue gas is fallen and is collected by Bag filter by the method for pulsating action.Blow moulding is regurgitated in pulse has filtering wind
It is fast fast, high dust collection efficiency, ash-removal effect are good, it is easy to maintain, save the advantages of occupied area.
The utility model is used in use at negative pressure gas collection+multistage dedusting+spray desulfurization+real-time detection exhaust gas
Reason method, can be improved exhaust purification efficiency, substantially reduce Pb concentration of emission, realize that lead-acid accumulator molten lead process generates useless
Gas qualified discharge.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of exhaust treatment system for lead-acid accumulator.
Fig. 2 is the structural schematic diagram of exhaust gas purification system.
Fig. 3 is a kind of processing technological flow figure of exhaust treatment system for lead-acid accumulator.
Appended drawing reference:
1, closed gas gathering system；2, exhaust gas purification system；21, dust pelletizing system；211, multitube settler；212, bag-type dust
Device；22, dynamical system；23, desulphurization system；231, devulcanizer is condensed；232, sodium alkali desulfurization tower；233, calcium alkali desulfurizing tower；24, it arranges
Place system；241, chimney is discharged；242, online flue gas inspection instrument；3, pre- desulphurization plant is dried.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with embodiment, it is clear that retouched
The embodiment stated is only the utility model a part of the embodiment, instead of all the embodiments.
Embodiment 1
The present embodiment provides a kind of exhaust treatment systems for lead-acid accumulator, as shown in Figure 1, including closed gas collection system
System 1 and exhaust gas purification system 2, the two are integration connection, and each equipment in system can not independent operating.In addition to this, this is
System further includes that independently operated can dry pre- desulphurization plant 3, and the equipment before raw material enters furnace for being pre-processed.Pre- place
Reason process uses counterflow negative sealing technology, and entire production process is full negative-pressure operation, no any flue gas that leaks.
Wherein closed gas gathering system 1 is full negative pressure sealed furnace, former in furnace for the Plante-type plate of melting waste and old lead acid accumulator
Material, all in negative pressure state, is caused with preventing from feeding, smash in the operating process such as furnace because opening fire door in entire production process
Exhaust gas leaks.Exhaust gas purification system 2 includes dust pelletizing system 21, dynamical system 22, desulphurization system 23 and exhaust system 24.
Dust pelletizing system 21 is used to remove leaded dust and the molecule in flue gas, and inlet end and full negative pressure sealed furnace connect
Logical, outlet side is connected to desulphurization system 23.As shown in Figure 1, dust pelletizing system 21 includes multitube settler 211 and bag filter
212,211 inlet end of multitube settler is connected with the outlet side of full negative pressure sealed furnace, the outlet side of multitube settler 211 and cloth bag
The inlet end of deduster 212 is connected.Wherein, multitube settler 211 uses vertical multi-pipe structure, the sedimentation of multitube settler 211
Room is divided into several locellus, is connected between each locellus by several sedimentation pipes, and the top of sedimentation pipe is square cone structure
Upper tube, lower part are the down tube of tube-shaped structure；The arrangement form of sedimentation pipe is rectangular array structure, makes the dust in flue gas
Because self weight is detached from and is collected in flue-dust retainer.Bag filter 212 uses the anti-jetting deashing process structure of pulse, using reversed
Molecule in flue gas is fallen and is collected by Bag filter by the method that air-flow generates pulsating action.
Desulphurization system 23 can remove the pernicious gases such as the sulfur dioxide in exhaust gas, and inlet end and dust pelletizing system 21 connect
Logical, outlet side is connected to exhaust system 24.As shown in Figure 1, desulphurization system 23 includes condensation devulcanizer 231, sodium alkali desulfurization tower 232
With calcium alkali desulfurizing tower 233, the inlet end for condensing devulcanizer 231 is connected with the outlet side of bag filter 212, sodium alkali desulfurization tower
232 outlet side is connected with the inlet end of calcium alkali desulfurizing tower 233.Further, sodium alkali desulfurization tower 232 and calcium alkali desulfurizing tower 233
It is interior to be equipped with spray equipment, exhaust gas is cleaned by the way of direct water spray.When operation, first use the extremely strong soda of activity as absorption
Then agent sulfur dioxide absorption again regenerates absorbing liquid with calcium alkali, realize calcium alkali while reaching high efficiency desulfurization effect
Regeneration, soda recycling, greatly reduce operating cost.
Dynamical system 22 be air-introduced machine, positioned at condensation devulcanizer 231 outlet side and sodium alkali desulfurization tower 232 inlet end it
Between, for driving entire exhaust treatment system.
Exhaust system 24 refers to discharge chimney 241, is connected to the outlet side of calcium alkali desulfurizing tower 233, sets in discharge chimney 241
There is online flue gas inspection instrument 242.Flue gas will be by online flue gas inspection instrument 242 at sorting when being discharged by discharge chimney 241
It surveys, and will test real time data synchronization and be uploaded to possession Environmental Protection Agency, so as to flue gas real-time monitoring.
As shown in Fig. 2, the present embodiment is in use, application method is as follows:
S1, gas sampling: the Plante-type plate of waste and old lead acid accumulator is after drying pre- desulphurization plant 3 and handling, in full negative pressure
Clean energy resource heated by natural gas is used in sealed furnace, prevents excessive CO, CO2And nitrogen oxides, molten lead process generate cigarette
Gas A, under the driving of air-introduced machine, flue gas A enters in multitube settler 211；
S2, dust removal process: flue gas A baffling first above and below the pipeline of multitube settler 211 falls into from great dust and sets
It sets in the flue-dust retainer of device bottom, completes primary dust removing；It enters back into bag filter 212, filters out molecule, complete
Two-stage dust removal, the exhaust gas B for the leaded dust that is removed；
S3, desulfurization process: exhaust gas B initially enters condensation devulcanizer 231, the titanium dioxide in exhaust gas B under air-introduced machine driving
Sulphur condensation completes first grade desulfurizing；It is successively passed through sodium alkali desulfurization tower 232 again and calcium alkali is detached from tower 233 using water spray
Mode is cleaned, and is completed two, three-level desulfurization, is obtained exhaust gas C, and the sulfur-containing waste water after condensation and washing is accessed water process
System is handled；
S4, exhaust gas discharge: exhaust gas C is discharged by discharge chimney 241, and the compositional data of exhaust gas C passes through online flue gas inspection
242 real-time synchronization of instrument is uploaded to possession Environmental Protection Agency.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of exhaust treatment system for lead-acid accumulator, including closed gas gathering system (1) and exhaust gas purification system (2),
It is characterized in that, the closed gas gathering system (1) and the exhaust gas purification system (2) are integration connection；
The exhaust gas purification system (2) includes dust pelletizing system (21), dynamical system (22), desulphurization system (23) and exhaust system
(24), the inlet end of the dust pelletizing system (21) is connected to the closed gas gathering system (1), desulphurization system (23) inlet end
It is connected to the outlet side of the dust pelletizing system (21), the air inlet of desulphurization system (23) outlet side and the exhaust system (24)
End connection, it is internal that the dynamical system (22) is located at the desulphurization system (23)；
The dust pelletizing system (21) includes multitube settler (211) and bag filter (212), the multitube settler (211)
Inlet end is connected with the closed gas gathering system (1), and outlet side is connected with the inlet end of the bag filter (212), described
The outlet side of bag filter (212) is connected with the inlet end of the desulphurization system (23)；
The desulphurization system (23) includes condensing devulcanizer (231), sodium alkali desulfurization tower (232) and calcium alkali desulfurizing tower (233), described
The inlet end of condensation devulcanizer (231) is connected with the outlet side of the bag filter (212), the sodium alkali desulfurization tower (232)
Outlet side be connected with the inlet end of the calcium alkali desulfurizing tower (233), the dynamical system (22) is located at the condensation devulcanizer
(231) between the inlet end of outlet side and the sodium alkali desulfurization tower (232)；
The exhaust system (24) is discharge chimney (241), is connected to the outlet side of the calcium alkali devulcanizer (233), described
It discharges and is equipped with online flue gas inspection instrument (242) in chimney (241).
2. a kind of exhaust treatment system for lead-acid accumulator according to claim 1, which is characterized in that the power
System (22) is air-introduced machine.
3. a kind of exhaust treatment system for lead-acid accumulator according to claim 1, which is characterized in that described closed
Gas gathering system (1) is that negative-pressure dense closes device.
4. a kind of exhaust treatment system for lead-acid accumulator according to claim 1, which is characterized in that in the sodium
The spray equipment for removing sulfur-containing compound is equipped with inside alkali desulfurizing tower (232) and the calcium alkali desulfurizing tower (233).
5. a kind of exhaust treatment system for lead-acid accumulator according to claim 1, which is characterized in that the exhaust gas
Processing system further includes drying pre- desulphurization plant (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821563664.9U CN208990483U (en) | 2018-09-21 | 2018-09-21 | A kind of exhaust treatment system for lead-acid accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821563664.9U CN208990483U (en) | 2018-09-21 | 2018-09-21 | A kind of exhaust treatment system for lead-acid accumulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208990483U true CN208990483U (en) | 2019-06-18 |
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ID=66801936
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821563664.9U Expired - Fee Related CN208990483U (en) | 2018-09-21 | 2018-09-21 | A kind of exhaust treatment system for lead-acid accumulator |
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| CN (1) | CN208990483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109078443A (en) * | 2018-09-21 | 2018-12-25 | 宁夏瑞银有色金属科技有限公司 | A kind of exhaust treatment system and its application method for lead-acid accumulator |
-
2018
- 2018-09-21 CN CN201821563664.9U patent/CN208990483U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109078443A (en) * | 2018-09-21 | 2018-12-25 | 宁夏瑞银有色金属科技有限公司 | A kind of exhaust treatment system and its application method for lead-acid accumulator |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 |