CN207056310U - The exhaust gas processing device of sour gas Sulphuric acid - Google Patents
The exhaust gas processing device of sour gas Sulphuric acid Download PDFInfo
- Publication number
- CN207056310U CN207056310U CN201720572112.3U CN201720572112U CN207056310U CN 207056310 U CN207056310 U CN 207056310U CN 201720572112 U CN201720572112 U CN 201720572112U CN 207056310 U CN207056310 U CN 207056310U
- Authority
- CN
- China
- Prior art keywords
- processing device
- exhaust gas
- gas processing
- absorption tower
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
It the utility model is related to sour gas Sulphuric acid field, disclose a kind of exhaust gas processing device of sour gas Sulphuric acid, it is characterized in that, the exhaust gas processing device includes quenching column (1), absorption tower (2) and demister (3), the middle and lower part of the quenching column (1) connects with the middle and lower part of the absorption tower (2), the tower top outlet of the absorption tower (2) connects with the gas access of demister (3), and the liquid outlet of the demister (3) connects with the bottom of the quenching column (1).The utility model can ensure SO in tail gas2And SO3Effective removing and acid mist maximization it is cleared.
Description
Technical field
It the utility model is related to sour gas Sulphuric acid field, and in particular to the exhaust gas processing device of sour gas Sulphuric acid.
Background technology
With the protrusion of China's environmental problem contradiction, country and local government arrange for Petrochemical Enterprises acidity gas recovering device
Put SO in tail gas2Control with acid mist requires more and more stricter.《Petroleum refining industry pollutant emission standard》(GB31570-
2015) provide：From 1 day July in 2015, SO in the acid gas recovering device tail gas of newly-built enterprise2Emission concentration limits are
400mg/m3, acid mist concentration emission limit is 30mg/m3；Key area performs the special emission limit of atmosphere pollution：SO2For
100mg/m3, acid mist 5mg/m3.Provincial standard is for SO2Control requires higher, such as basis《Shandong Province's regionality air is dirty
Contaminate thing comprehensive discharge standard》(DB37/2376-2013), it is desirable to from the year two thousand twenty January 1 (the 4th period), Shandong Province's inner core
Control zone enterprise has to carry out 35mg/m3SO2Exhaust emissions limit value.As can be seen here, both the central and local governments are to SO2And acid mist control
Requirement processed will be more and more stricter.
Sour gas process for preparing sulfuric acid is a kind of sulfur recovery technology, and it is reachable the recovery of various sulfur-containing compounds can be made into concentration
More than the 97% commerical grade concentrated sulfuric acid, because of it, can to handle sour gas concentration range big, and sulfur recovery rate is high and extensive use
In the industries such as petroleum refining, coking, coal chemical industry, chemical fertilizer, electric power, metallurgy.Such device gone into operation at present is carried out greatly《Greatly
Gas pollutant comprehensive discharge standard》(GB16297-1996) SO in2Concentration of emission is not more than 960mg/m3, acid mist is not more than
120mg/m3Requirement, tail gas can not meet new environmental protection standard caused by design.
At present, it is the SO in reduction exhaust emissions2And sulphuric acid mist content, mainly there are following measures：Alkali cleaning is installed additional in afterbody to remove
Mist system uses multi-stage conversion absorption techniques, although these measures can realize the qualified discharge of tail gas to a certain extent,
But respective technical disadvantages be present：Alkaline process carrying out washing treatment tail gas, produce substantial amounts of alkaline residue and be difficult to handle, while running cost occupies height
Under not；Multi-stage conversion absorption techniques containing a large amount of task equipments because greatly improving plant investment cost.
Utility model content
The purpose of this utility model is to overcome the tail gas treatment process of sour gas Sulphuric acid existing for prior art to produce
The problem of raw secondary pollution and high cost, there is provided the exhaust gas processing device of sour gas Sulphuric acid, the exhaust gas processing device will not produce
Raw secondary pollution, and cost is low.
To achieve these goals, the utility model provides a kind of exhaust gas processing device of sour gas Sulphuric acid, wherein, should
Exhaust gas processing device includes quenching column, absorption tower and demister, the middle and lower part of the quenching column with the absorption tower under
Portion connects, and the tower top outlet on the absorption tower connect with the gas access of demister, the liquid outlet of the demister and
The bottom connection of the quenching column.
Preferably, the exhaust gas processing device also includes the first pump and incinerator, and the entrance of first pump swashs with described
The bottom of towe connection of cold tower, the tower body top exported respectively with the incinerator and the quenching column of first pump connect.
Preferably, the bottom in the quenching column and the absorption tower is respectively arranged with vortex breaker.
Preferably, liquid drop separator, the liquid are provided with the connecting pipeline between the quenching column and the absorption tower
The liquid outlet of drop separator connects with the bottom of the quenching column.
Preferably, the exhaust gas processing device also includes the second pump, the entrance of second pump and the tower on the absorption tower
Bottom connects, and the outlet of second pump connects with the tower body top on the absorption tower.
Preferably, the inside on the absorption tower is additionally provided with filling batch and liquid distribution trough, and the filling batch is set
In the middle and upper part on the absorption tower, the liquid distribution trough is arranged on the top of the filling batch.
Preferably, the inside tower top on the absorption tower is additionally provided with primary demister.
Preferably, it is provided with SO on the pipeline of the outlet of the demister2Analyzer and acid mist analyzer.
Preferably, the exhaust gas processing device also includes the 3rd pump and dioxygen water feeder, and the 3rd pump is by described in
Hydrogen peroxide in dioxygen water feeder inputs the top on the absorption tower.
Preferably, the exhaust gas processing device also includes desalination water feeder, the desalination water feeder respectively with
First pump connects with the entrance of second pump.
The utility model has advantages below：
(1) quenching column and absorption tower Combination Design are used, ensures SO in tail gas2Effective removing, SO2Discharge is up to 50mg/
m3Below；
(2) quenching column, absorption tower and demister Combination Design are used, it is ensured that the maximization of acid mist is cleared in tail gas, acid
Mist discharge is up to 5mg/m3Below；
(3) in a preferred embodiment, circulation fluid is sent to incinerator burning after reaching enough high concentrations in a device,
Ensure the abundant recovery of sulphur, while whole process not any acid waste water of by-product, without separately setting wastewater treatment equipment, greatly simplify
Flow, save equipment investment expense and occupation of land.
Brief description of the drawings
Fig. 1 is a kind of exhaust gas processing device of the sour gas Sulphuric acid of embodiment of the present utility model.
Description of reference numerals
1 quenching column；2 absorption towers；
3 demisters；4 first pumps；
5 incinerators；6 vortex breakers；
7 liquid drop separators；8 second pumps；
9 filling batch；10 liquid distribution troughs；
11 primary demisters；12 the 3rd pumps；
13 dioxygen water feeders；14 desalination water feeders；
15 SO2Analyzer；16 acid mist analyzers.
Embodiment
The utility model provides a kind of exhaust gas processing device of sour gas Sulphuric acid, wherein, as shown in figure 1, at the tail gas
Reason device includes quenching column 1, absorption tower 2 and demister 3, the middle and lower part of the middle and lower part of the quenching column 1 and the absorption tower 2
Connection, the tower top outlet on the absorption tower 2 connects with the gas access of demister 3, the liquid outlet of the demister 3 and
The bottom connection of the quenching column 1.
In the utility model, in order that the Quench liquid in quenching column 1 recycles and the sulfuric acid concentration liter when Quench liquid
Height is discharged in time and reclaims sulphur, and under preferable case, the exhaust gas processing device also includes the first pump 4 and incinerator 5, and described first
The entrance of pump 4 connects with the bottom of towe of the quenching column 1, the outlet of first pump 4 respectively with the incinerator 5 and the Quench
The tower body top connection of tower 1.By controlling first pump 4, Quench liquid is recycled or the Quench liquid by high sulfuric acid concentration
Drain into incinerator burning.
In the utility model, in order to prevent the absorbing liquid in the Quench liquid and absorption tower 2 in quenching column 1 from producing whirlpool in tower
Stream, it is preferable that the bottom in the quenching column 1 and the absorption tower 2 is respectively arranged with vortex breaker 6.
A preferred embodiment of the invention, on the connecting pipeline between the quenching column 1 and the absorption tower 2
Liquid drop separator 7 is provided with, the liquid outlet of the liquid drop separator 7 connects with the bottom of the quenching column 1.In the preferred reality
Apply in mode, the drop carried in the tail gas that the liquid drop separator 7 passes through at this is back to the bottom of quenching column 1.
In the utility model, under preferable case, the connecting pipeline between the quenching column 1 and the absorption tower 2 is big mouth
Footpath pipeline, for example, the ratio of the diameter of the connecting pipeline between the quenching column 1 and the absorption tower 2 and the diameter of quenching column 1
For 0.9-1.Connecting pipeline diameter within the range can realize that tail gas minimizes pressure drop circulation.
In the utility model, in order to control recycling for the absorbing liquid in absorption tower 2, the exhaust gas processing device is preferred
Also include the second pump 8, the entrance of second pump 8 connects with the bottom of towe on the absorption tower 2, the outlet of second pump 8 and institute
State the tower body top connection on absorption tower 2.Under the power of the second pump 8, inner-outer circulation of the absorbing liquid on absorption tower 2 flows.
In the utility model, in order to improve absorbing liquid to the SO in tail gas2And SO3Assimilation effect, under preferable case, institute
The inside for stating absorption tower 2 is additionally provided with filling batch 9 and liquid distribution trough 10, and the filling batch 9 is arranged on the absorption tower 2
Middle and upper part, the liquid distribution trough 10 is arranged on the top of the filling batch 9.The filling batch 9 and liquid distribution trough
10 can improve the contact area of tail gas and absorbing liquid and time of contact, be advantageous to carry out depth absorption to tail gas.
According to another preferred embodiment of the present utility model, the inside tower top on the absorption tower 2 is additionally provided with primary
Demister 11.The tail gas that the primary demister 11 can discharge to the tower top on the absorption tower 2 carries out primary demisting, removes
The larger droplet gone in tail gas.The primary demister 11 is preferably mesh mist eliminator.
In the utility model, in the clean tail gas discharged in order to on-line analysis after exhaust gas processing device processing
SO2With the content of acid mist, it is preferable that be provided with SO on the pipeline of the gas vent of the demister 32Analyzer 15 and acid
Mist analyzer 16.
In the utility model, when the sulfuric acid concentration of the absorbing liquid in the Quench liquid and absorption tower 2 in the quenching column 1 increases
To when no longer there is Quench and the effect absorbed, it is necessary to burned by discharging it to incinerator 5, while in order to dilute Quench liquid
And absorbing liquid, and the amount of Quench liquid and absorbing liquid is kept, under preferable case, the exhaust gas processing device also includes demineralized water and supplied
Device 14, entrance of the desalination water feeder 14 respectively with first pump 4 and second pump 8 connect.The desalination
Water feeder 14 is that quenching column 1 and absorption tower 2 provide demineralized water, to dilute Quench liquid and absorbing liquid.
In the utility model, the medicament of the Quench liquid in the quenching column 1 and the absorbing liquid in absorption tower 2 can be quality
Concentration is 20-30% hydrogen peroxide.In order to supplement hydrogen peroxide at any time, the exhaust gas processing device preferably also includes the 3rd pump
12 and dioxygen water feeder 13, the hydrogen peroxide in the dioxygen water feeder 13 is inputted the absorption by the 3rd pump 12
The top of tower 2.Because the quenching column 1 and absorption tower 2 are interconnected, therefore, pipeline and the absorption of hydrogen peroxide are supplied
Tower 2 connects.
In the utility model, the demister 3 is preferably electrostatic precipitator.In order to prevent dilute sulfuric acid corrosion and demister
The accumulation of particulate causes voltage to reduce on electrode in 3, it is preferable that flushing water note is provided with the top of the demister 3
Entrance, all standing flushing can be carried out to electric field electrode.
Quenching column 1, absorption tower 2 and demister 3 in the utility model are preferably using FRP linings PP composite system
Make, the corrosion of dilute sulfuric acid can be prevented, improve service life.
Fig. 1 is a kind of exhaust gas processing device of the sour gas Sulphuric acid of embodiment of the present utility model, at the tail gas
Manage in device, the tail gas (about 100 DEG C or so) of sour gas Sulphuric acid enters quenching column 1, the entrance with tower top from the top of quenching column 1
Quench liquid be sufficiently mixed, by the saturation temperature of the rapid Quench of high-temperature tail gas to 50 DEG C or so, tail gas after Quench is from quenching column 1
Enter absorption tower 2 by liquid drop separator 7 with the middle and lower part pipeline on absorption tower 2, the drop that liquid drop separator 7 is isolated is back to
The bottom of towe of quenching column 1, the Quench liquid that the bottom of towe of quenching column 1 is collected realize the circulation of Quench liquid by the first pump 4, and Quench liquid exists
Sulfuric acid concentration is gradually increasing during circulation, to ensure assimilation effect, keeps the concentration of Quench liquid, desalination water feeder 14
Demineralized water is fed into quenching column 1 by the first pump 4, meanwhile, a part of Quench liquid is delivered into incinerator 5 and burned；
Tail gas from after interface channel enters absorption tower 2, with from liquid distribution trough 10 flow down containing dilute sulfuric acid and hydrogen peroxide
Absorbing liquid counter current contacting in filling batch 9, the SO in tail gas is removed to greatest extent2And SO3, the bottom of towe absorbing liquid on absorption tower 2 leads to
Cross the second pump 8 and realize circulation to tower top, in absorbing liquid the evaporation of moisture demineralized water can be supplemented by desalination water feeder 14,
Being absorbed the tail gas after washing, first the primary demister 11 through tower top carries out one-level demisting to remove before absorption tower 2 is left
Larger droplet, the hydrogen peroxide in dioxygen water feeder 13 is extracted by the 3rd pump 12 and supplemented to absorption tower 2；
The tail gas for leaving absorption tower 2 enters demister 3, the acid-mist-removing in demister 3 from top, and caused liquid enters
Enter the bottom of quenching column 1, the clean tail gas obtained after processing is discharged by follow-up chimney, passes through SO2Analyzer 15 and acid mist point
Analyzer 16 is to the SO in clean tail gas2Monitored in real time with acid mist concentration, it is ensured that the two discharge is up to standard；If demister 3 is
Electrostatic precipitator, the accumulation for particulate on the corrosion of prevention dilute sulfuric acid and electrode cause voltage to reduce, and electrostatic precipitator top is provided with flushing
Water inlet, all standing flushing can be carried out to electric field electrode.
Preferred embodiment of the present utility model described in detail above, still, the utility model is not limited to this.At this
In the range of the technology design of utility model, a variety of simple variants can be carried out to the technical solution of the utility model, including it is each
Technical characteristic is combined with any other suitable method, and these simple variants and combination should equally be considered as the utility model
Disclosure of that, belong to the scope of protection of the utility model.
Claims (10)
- A kind of 1. exhaust gas processing device of sour gas Sulphuric acid, it is characterised in that the exhaust gas processing device include quenching column (1), Absorption tower (2) and demister (3), the middle and lower part of the quenching column (1) connects with the middle and lower part of the absorption tower (2), described The tower top outlet on absorption tower (2) connects with the gas access of demister (3), the liquid outlet of the demister (3) and institute State the bottom connection of quenching column (1).
- 2. exhaust gas processing device according to claim 1, it is characterised in that the exhaust gas processing device also includes the first pump (4) connected with incinerator (5), the entrance of first pump (4) with the bottom of towe of the quenching column (1), the first pump (4) go out Tower body top of the mouth respectively with the incinerator (5) and the quenching column (1) connects.
- 3. exhaust gas processing device according to claim 1 or 2, it is characterised in that the quenching column (1) and the absorption tower (2) bottom in is respectively arranged with vortex breaker (6).
- 4. exhaust gas processing device according to claim 1 or 2, it is characterised in that the quenching column (1) and the absorption tower (2) liquid drop separator (7), liquid outlet and the Quench of the liquid drop separator (7) are provided with the connecting pipeline between The bottom connection of tower (1).
- 5. exhaust gas processing device according to claim 2, it is characterised in that the exhaust gas processing device also includes the second pump (8), the entrance of second pump (8) connects with the bottom of towe of the absorption tower (2), outlet and the suction of second pump (8) Receive the tower body top connection of tower (2).
- 6. exhaust gas processing device according to claim 1 or 2, it is characterised in that the inside of the absorption tower (2) is also set up There are filling batch (9) and liquid distribution trough (10), the filling batch (9) is arranged on the middle and upper part of the absorption tower (2), described Liquid distribution trough (10) is arranged on the top of the filling batch (9).
- 7. exhaust gas processing device according to claim 1 or 2, it is characterised in that the inside tower top of the absorption tower (2) is also It is provided with primary demister (11).
- 8. exhaust gas processing device according to claim 1 or 2, it is characterised in that the gas vent of the demister (3) Pipeline on be provided with SO2Analyzer (15) and acid mist analyzer (16).
- 9. exhaust gas processing device according to claim 1 or 2, it is characterised in that the exhaust gas processing device also includes the Three pumps (12) and dioxygen water feeder (13), the 3rd pump (12) is by the hydrogen peroxide in the dioxygen water feeder (13) Input the top of the absorption tower (2).
- 10. exhaust gas processing device according to claim 5, it is characterised in that the exhaust gas processing device also includes desalination Water feeder (14), the desalination water feeder (14) respectively with first pump (4) and the entrance of second pump (8) Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720572112.3U CN207056310U (en) | 2017-05-22 | 2017-05-22 | The exhaust gas processing device of sour gas Sulphuric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720572112.3U CN207056310U (en) | 2017-05-22 | 2017-05-22 | The exhaust gas processing device of sour gas Sulphuric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207056310U true CN207056310U (en) | 2018-03-02 |
Family
ID=61505879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720572112.3U Active CN207056310U (en) | 2017-05-22 | 2017-05-22 | The exhaust gas processing device of sour gas Sulphuric acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207056310U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224798A (en) * | 2018-10-24 | 2019-01-18 | 北京美斯顿科技开发有限公司 | A kind of desulfurization sulphuric acid plant and vehicular desulphurization plant |
| CN111068495A (en) * | 2019-12-09 | 2020-04-28 | 中国恩菲工程技术有限公司 | Treatment method of sulfur-containing tail gas |
| CN111249888A (en) * | 2020-03-03 | 2020-06-09 | 中国石油集团东北炼化工程有限公司 | Tail gas treatment device and process for wet regeneration of waste sulfuric acid |
-
2017
- 2017-05-22 CN CN201720572112.3U patent/CN207056310U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224798A (en) * | 2018-10-24 | 2019-01-18 | 北京美斯顿科技开发有限公司 | A kind of desulfurization sulphuric acid plant and vehicular desulphurization plant |
| CN111068495A (en) * | 2019-12-09 | 2020-04-28 | 中国恩菲工程技术有限公司 | Treatment method of sulfur-containing tail gas |
| CN111249888A (en) * | 2020-03-03 | 2020-06-09 | 中国石油集团东北炼化工程有限公司 | Tail gas treatment device and process for wet regeneration of waste sulfuric acid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201380039Y (en) | Double-tower flue gas desulphurization device | |
| CN207056310U (en) | The exhaust gas processing device of sour gas Sulphuric acid | |
| CN101934192A (en) | Double-tower ammonia-method desulfurization process | |
| CN104474850B (en) | Molten sulfur pond exhaust gas treating method and device | |
| CN101474528A (en) | Device for removing sulfuric dioxide in exhaust gas | |
| CN104437046A (en) | Catalytic cracking flue gas desulfurization and dust removal process and desulfurization and dust removal device | |
| CN102872709A (en) | Process of efficiently capturing aerosol in desulfurized flue gas | |
| CN101433798A (en) | High-efficient wet-type ammonia recovering method desulfuration method with oxidation and concentration processes outside tower and device thereof | |
| CN104772029B (en) | Coupled double-region type high-efficiency flue gas mercury recovery device and application thereof | |
| CN105542874A (en) | Integrated process and device for semicoke coal gas | |
| CN103540328B (en) | System and method for comprehensive utilization of low-temperature and low-pressure steam discharged from coke quenching tower | |
| CN202070285U (en) | Device for removing sulfur dioxides in sulphuric acid industrial tail gas and recovering sulphuric acid | |
| CN104667726A (en) | Device and method for purifying in treatment of volatile gas of petrochemical coke cooling water tank | |
| CN106039970A (en) | Method for removing sulfur dioxide from sulfuric acid industrial tail gas and recovering sulfuric acid, and apparatus thereof | |
| CN114380435B (en) | Online recovery process for lost organic phase of hydrometallurgical extraction separation system | |
| KR20020016133A (en) | Method for purifying coke oven gas by cooling down to freezing point of water | |
| CN212492322U (en) | Ultra-clean processing apparatus of titanium dioxide acidolysis tail gas | |
| CN205133532U (en) | Coke oven gas purifies and uses deamination device | |
| CN214862443U (en) | Gaseous processing apparatus of VOCs who contains tar sewage | |
| CN201161150Y (en) | Naluminum fluoride waste gas treatment system with dry method | |
| CN212383460U (en) | Treatment system for absorbing tail gas sulfur dioxide gas | |
| CN103143244A (en) | Treatment method for exhaust gases in production of profenofos | |
| CN103285728B (en) | Method and device for treating sulfur dioxide in sulfuric acid tail gas | |
| CN203903981U (en) | Fluorine and chlorine removal and recovery device used in system for making acid by using copper smelting gas | |
| CN202715331U (en) | Venturi washing dust catcher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: COOEC-ENPAL ENGINEERING Co.,Ltd. Address before: 100010 Hai Yuan building, 25 Chaoyangmen North Street, Dongcheng District, Beijing. Co-patentee before: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: COOEC-ENPAL ENGINEERING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180514 Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: CNOOC PETROCHEMICAL ENGINEERING Co.,Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: COOEC-ENPAL ENGINEERING Co.,Ltd. |