CN202152288U - Acid water storage tank and acid water treatment system - Google Patents
Acid water storage tank and acid water treatment system Download PDFInfo
- Publication number
- CN202152288U CN202152288U CN2011202754378U CN201120275437U CN202152288U CN 202152288 U CN202152288 U CN 202152288U CN 2011202754378 U CN2011202754378 U CN 2011202754378U CN 201120275437 U CN201120275437 U CN 201120275437U CN 202152288 U CN202152288 U CN 202152288U
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- sour water
- storage tank
- jar
- water storage
- hydrogen sulphide
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Abstract
The utility model discloses an acid water storage tank and an acid water treatment system. The acid water storage tank comprises a tank body and is provided with a hydrogen sulfide removing tank, a waste gas exhaust opening is arranged at the top of the tank body and is communicated with the lower part of the hydrogen sulfide removing tank, an absorption liquid inlet is arranged at the upper part of the hydrogen sulfide removing tank and is communicated with an ammonia-rich segregation tank outlet of an acid water stripping system, and the waste gas exhaust opening is arranged at the top of the hydrogen sulfide removing tank. The acid water treatment system comprises an acid water storage tank, an acid water drainage and waste gas treatment system as well as the acid water stripping system. Compared with the prior art, the acid water storage tank and the acid water treatment system synthesize acid water storage, waste gas treatment and acid water stripping systems and can reduce the complexity of waste gas exhaust of the acid water storage tank.
Description
Technical field
The utility model relates to a kind of storage tank and sour water treatment system, particularly reduces the sour water storage tank and the sour water treatment system of sour water storage tank discharging waste gas component complexity.
Background technology
The sour water Tank Farm exhaust gas discharged of industries such as oil refining, chemical industry is important foul gas source of pollution; The pollutent such as volatile hydrocarbon, hydrogen sulfide, organic sulfide, ammonia that wherein contains higher concentration; Component is very complicated; If do not take effectively to administer method, can cause serious pollution, can cause a large amount of wastings of resources simultaneously.
The existing improvement method of this type of waste gas has several types of the combination techniques of combustion method, condensation method, biological process, absorption method, chemical absorption method and aforesaid method etc.Sour water discharging foul waste gas is handled and is selected which kind of treatment technology actually, can take all factors into consideration according to gas source, pollutent composition, concentration, tolerance, processing requirements, operation, security and technological adaptability.In general, because acid water pot discharging waste gas component is complicated, adopts simple a kind of method to give very much various ingredients is effectively handled simultaneously.
The purifying treatment method of the raw material water tank discharging gas of Daqing Petrochemical Company refinery sulphur recovery workshop acidic water stripping device introduced in " refining of petroleum and chemical industry " 2003 02 phase P15 " sulfur-bearing, contain the technological transformation of ammonia sewage jar exhaust deodorization " literary composition, and mainly adopting with the iron complexes is the sweetening agent adsorption desulfurize processing of staple.The iron complexes sweetening agent generally has removal effect preferably to sulfide, and is limited in one's ability to removing of other odorant pollutants such as ammonia and volatile organic matter.The more important thing is; Because the factors such as variation of the inside and outside gaseous tension of sour water storage tank, temperature variation and liquid level, storage tank often is in certain " breathing " state, and consequently oxygen concn is higher in the storage tank discharging gas; And iron complexes absorbs the sulfide that will change iron behind the sulfide into; Oxygenizement can take place in the sulfide of iron in the presence of oxygen, with spontaneous combustion, and then cause other security incident when serious.Therefore, this method has bigger potential safety hazard." petrochemical complex environment protection " 2005 the 04th phase P32 ~ 33 " the airtight deodorizing of the acid water pot of sewage stripping " literary composition introduction is adopted two-stage to absorb and is handled; The discharging gas of the acid water pot of the stripper plant of purifying waste water; The high-efficiency absorbent of its employing special use (unexposed composition, but can find out from the reaction formula that provides, comprising catalyzer, oxygenant etc.); Through repugnant substances such as secondary eddy flow tower absorbing and removing hydrogen sulfide, mercaptan, thioethers, do not remove the function of volatile organic matter.This method flow is comparatively complicated, needs to use special absorption agent.
CN200910011767 discloses a kind of device that reduces acid water pot discharging waste gas amount, at acid water pot upper space the gas phase temperature regulation system is set, and reduces discharge amount of exhaust gas through controlled temperature.But this method can not reduce the complexity that discharging waste gas is formed.
Sour water in the acid water pot generally adopts stripping process to purify, and the sour water stripping is handled the waste water of pollutents such as sulfide hydrogen, ammonia in stripping tower, wherein hydrogen sulfide and ammonia are separated, and discharge water reaches emission standard or recycles.The sour water stripping generally adopts double tower stripping flow process and single tower stripping flow process.
Summary of the invention
To the deficiency of prior art, the utility model provides a kind of sour water storage tank, and this storage tank can reduce the complexity of sour water storage tank discharging waste gas.
The utility model sour water storage tank comprises tank body; The depriving hydrogen sulphide jar is set simultaneously; The tank body top is provided with Waste gas outlet, and Waste gas outlet communicates with depriving hydrogen sulphide jar bottom, and depriving hydrogen sulphide jar top is provided with the absorption liquid import; The import of depriving hydrogen sulphide jar absorption liquid is connected with the rich ammonia fractional condensation jar outlet of sour water stripping system, and the depriving hydrogen sulphide tank top is provided with Waste gas outlet.
In the utility model sour water storage tank, the depriving hydrogen sulphide jar can be fixedly installed on the sour water tank top, and the Waste gas outlet at tank body top flows to the opening of the acid water pot in bottom simultaneously certainly as the depriving hydrogen sulphide absorption liquid.Perhaps can be fixedly installed on sour water storage tank exterior side wall top, the depriving hydrogen sulphide pot bottom is provided with reflux the back pipeline of acid water pot of depriving hydrogen sulphide absorption liquid.The depriving hydrogen sulphide jar can adopt suitable forms such as bed of packings or trickle bed.When adopting trickle bed, the depriving hydrogen sulphide jar is the slack tank structure, and the bottom is provided with gas distributor in the depriving hydrogen sulphide jar, and top is provided with liquid distributor.When the depriving hydrogen sulphide jar adopted bed of packings, the bed of packings bottom was provided with gas distributor.
In the utility model sour water storage tank, the rich ammonia fractional condensation jar of sour water stripping system is rich ammonia fractional condensation jar of one-level or the rich ammonia fractional condensation of secondary jar.
The sour water treatment system of the utility model comprises sour water storage tank, sour water storage tank discharging waste gas treatment system and sour water treatment system.The sour water storage tank that the sour water storage tank uses the reduction discharging gas of the utility model to form, the sour water treatment system adopts single tower stripping or double tower stripper plant, comprises rich ammonia fractional condensation jar in the sour water treatment system.Sour water storage tank discharging waste gas treatment system can be the emission-control equipment of the combination technique of combustion method, condensation method, biological process, absorption method, chemical absorption method and aforesaid method.
The sour water storage tank of the utility model; Through simple depriving hydrogen sulphide jar is set, fully combine acid steam to put forward the rich ammonia fractional condensation system of system, utilize sour water stripping system ammonia branch lime set that discharging waste gas is washed; Because the absorption liquid ammonia content is high; Hydrogen sulfide in the absorbing waste gas is simplified the component of sour water storage tank discharging waste gas fully, helps follow-up purifying treatment.Ammoniacal liquor behind the absorbing hydrogen sulphide flows back to the sour water storage tank, follow-up sour water stripping is handled not producing any disadvantageous effect.
Description of drawings
Fig. 1 is a kind of concrete structure synoptic diagram of the utility model sour water storage tank;
Fig. 2 is the another kind of concrete structure synoptic diagram of the utility model sour water storage tank.
Wherein: 1-tank body, 2-depriving hydrogen sulphide jar, the rich ammonia fractional condensation jar in the 3-sour water stripping system, 4-soul water stripper.
Embodiment
Further specify the structure and the principle of work of the utility model sour water storage tank below through accompanying drawing.
As shown in Figure 1, tank body 1 upper outside fixedly installs depriving hydrogen sulphide jar 2, and the storage tank discharging waste gas is introduced depriving hydrogen sulphide jar 2, contacts with absorption liquid through gas distributor, removes further processing as required behind the hydrogen sulfide.The absorption liquid of depriving hydrogen sulphide jar 2 be the rich ammoniacal liquor fractional condensation of sour water stripping system jar 3 contain ammonia branch lime set.Sour water in the sour water storage tank is handled in soul water stripper 4.Depriving hydrogen sulphide jar 2 bottoms are provided with reflux the back pipeline of acid water pot of depriving hydrogen sulphide liquid.
As shown in Figure 2, tank body 1 top fixedly installs depriving hydrogen sulphide jar 2, and the storage tank discharging waste gas is introduced depriving hydrogen sulphide jar 2, contacts with absorption liquid through gas distributor, removes further processing as required behind the hydrogen sulfide.The absorption liquid of depriving hydrogen sulphide jar 2 be the rich ammoniacal liquor fractional condensation of sour water stripping system jar 3 contain ammonia branch lime set.Sour water in the sour water storage tank is handled in soul water stripper 4.
The utility model sour water storage tank combines the processing of storage, sour water stripping and the storage tank discharging gas of sour water; Utilize rich ammonia branch lime set in the sour water stripping system to the rough handling of storage tank discharging waste gas row; The hydrogen sulfide that will from waste gas, discharge is all transferred in the sour water; Carry out Unified Treatment at the sour water stripping system, the storage tank discharging gas component is simplified, and helps further processing.
Claims (10)
1. sour water storage tank; Comprise tank body, it is characterized in that: the depriving hydrogen sulphide jar is set, and the tank body top is provided with Waste gas outlet; Waste gas outlet communicates with depriving hydrogen sulphide jar bottom; Depriving hydrogen sulphide jar top is provided with the absorption liquid import, and the import of depriving hydrogen sulphide jar absorption liquid is connected with the rich ammonia fractional condensation jar outlet of sour water stripping system, and the depriving hydrogen sulphide tank top is provided with Waste gas outlet.
2. according to the described sour water storage tank of claim 1, it is characterized in that: the depriving hydrogen sulphide jar is fixedly installed on the sour water tank top, and the Waste gas outlet at tank body top flows to the opening of the acid water pot in bottom simultaneously certainly as the depriving hydrogen sulphide absorption liquid.
3. according to the described sour water storage tank of claim 1, it is characterized in that: the depriving hydrogen sulphide jar is fixedly installed on sour water storage tank exterior side wall top, and the depriving hydrogen sulphide pot bottom is provided with reflux the back pipeline of acid water pot of depriving hydrogen sulphide absorption liquid.
4. according to claim 1,2 or 3 described sour water storage tanks, it is characterized in that: the depriving hydrogen sulphide jar adopts bed of packings or trickle bed.
5. according to the described sour water storage tank of claim 4, it is characterized in that: the depriving hydrogen sulphide jar adopts bed of packings, and the bed of packings bottom is provided with gas distributor.
6. according to the described sour water storage tank of claim 4, it is characterized in that: the depriving hydrogen sulphide jar adopts trickle bed, and for the depriving hydrogen sulphide jar is the slack tank structure, the bottom is provided with gas distributor in the depriving hydrogen sulphide jar, and top is provided with liquid distributor.
7. according to the described sour water storage tank of claim 1, it is characterized in that: in the sour water storage tank, the rich ammonia fractional condensation jar of sour water stripping system is rich ammonia fractional condensation jar of one-level or the rich ammonia fractional condensation of secondary jar.
8. a sour water treatment system is characterized in that: comprise sour water storage tank, sour water storage tank discharging waste gas treatment system and sour water treatment system, the described sour water storage tank of sour water storage tank use claim 1 to 7.
9. according to the described sour water treatment system of claim 8, it is characterized in that: the sour water treatment system adopts single tower stripping or double tower stripper plant, comprises rich ammonia fractional condensation jar in the sour water treatment system.
10. according to the described sour water treatment system of claim 8, it is characterized in that: sour water storage tank discharging waste gas treatment system is the emission-control equipment of absorption process, combustion method, condensation method, biological process, absorption method or aforesaid method combination technique.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202754378U CN202152288U (en) | 2011-08-01 | 2011-08-01 | Acid water storage tank and acid water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202754378U CN202152288U (en) | 2011-08-01 | 2011-08-01 | Acid water storage tank and acid water treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202152288U true CN202152288U (en) | 2012-02-29 |
Family
ID=45692791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202754378U Expired - Lifetime CN202152288U (en) | 2011-08-01 | 2011-08-01 | Acid water storage tank and acid water treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202152288U (en) |
-
2011
- 2011-08-01 CN CN2011202754378U patent/CN202152288U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120229 |
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| CX01 | Expiry of patent term |