CN203777920U - Hydrogen sulfide three-stage alkali absorption device - Google Patents
Hydrogen sulfide three-stage alkali absorption device Download PDFInfo
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- CN203777920U CN203777920U CN201420102380.5U CN201420102380U CN203777920U CN 203777920 U CN203777920 U CN 203777920U CN 201420102380 U CN201420102380 U CN 201420102380U CN 203777920 U CN203777920 U CN 203777920U
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- absorption
- hydrogen sulfide
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- alkali
- alkali absorption
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Abstract
The utility model relates to a hydrogen sulfide three-stage alkali absorption device. The hydrogen sulfide three-stage alkali absorption device comprises an exhaust buffer tank, a liquid alkali absorption kettle, a waste material recovery device and an exhaust absorption rinsing device and is characterized in that the liquid alkali absorption kettle comprises three stages, namely, a first-stage absorption kettle, a second-stage absorption kettle and a third-stage absorption kettle; the exhaust buffer tank is connected with the first-stage liquid alkali absorption kettle through a vacuum material suction pipe; the liquid alkali tank is connected with the three stages of liquid alkali absorption kettles respectively; the lower ends of the liquid alkali absorption kettles are all connected with the waste material recovery device; the exhaust produced by a vacuum unit after three-stage alkali absorption is performed is connected with the exhaust absorption rinsing device. Hydrogen sulfide passes through the three liquid alkali absorption kettles in sequence and is subjected to alkali absorption treatment; the treated exhaust is discharged by the exhaust absorption ringing device; the hydrogen sulfide is subjected to alkali absorption in the liquid alkali absorption kettles to generate sodium hydrosulfide; and the sodium hydrosulfide is recovered by the waste material recovery device. The waste gas treatment can meet national standard and prevent hydrogen sulfide leakage accidents; the treatment waste material, namely, the sodium hydrosulfide, can be reused, so that additional economic benefits are created.
Description
Technical field
The utility model relates to three grades of alkali absorption plants of a kind of hydrogen sulfide, and it is the exhaust gas processing device in a kind of sulphur card reaction, belongs to chemical industry manufacturing technology field, particularly vent gas treatment technical field.
Background technology
Factory, carrying out in sulphur card reaction is produced tending to produce hypertoxic gas cure hydrogen, will carry out alkali absorption to hydrogen sulfide according to national standard, prevents hydrogen sulfide contamination environment, more serious causes production accident.
Chinese utility model patent 201020292105.6 discloses a kind of three grades of apparatus for treating hydrogen sulfides, can process the hydrogen sulfide in oil and mineral exploration and exploitation, but the restriction of its structure due to itself and use dryness medium, cause it can not carry out a large amount of hydrogen sulfide treatment, and sealing can not be guaranteed, the therefore hydrogen sulfide treatment of inapplicable and Chemical Manufacture enterprise also.
In process of factory production, hydrogen sulfide must strictly be processed, and not so can affect the healthy of workman, affects whole production link.
Utility model content
In order to solve the problem of above-mentioned existence, the utility model discloses three grades of alkali absorption plants of a kind of hydrogen sulfide, this equipment is a kind of three grades of alkali absorption plants of hydrogen sulfide simple in structure, safe and reliable, easy to use, with low cost, realizes the maximization of functions of the equipments and economic benefit.Make factory after carrying out the reaction of sulphur card, processing for waste gas can meet national standard, prevent that the accident that hydrogen sulfide is revealed from producing, the environment of producing is guaranteed, ensure direct labor's health, and the waste material of its processing is that NaHS can also utilize again, has accomplished resource recycling, has created extra economic benefit.
Three grades of alkali absorption plants of a kind of hydrogen sulfide, comprising: tail gas buffer, absorbing by liquid caustic soda still, alkali liquid tank, waste material recovery device, tail gas absorbs elution device, it is characterized in that: absorbing by liquid caustic soda still is divided into three grades, be respectively one-level absorption kettle, secondary absorption kettle, three grades of absorption kettles, tail gas buffer is connected with one-level absorbing by liquid caustic soda still by vacuum tube, liquid caustic soda tank is connected with three grades of absorbing by liquid caustic soda stills respectively, and absorbing by liquid caustic soda still lower end is all connected with waste material recovery device, and the tail gas producing through vacuum unit after three grades of alkali absorb absorbs elution device with tail gas and is connected.Tail gas buffer stores the hydrogen sulfide gas generating after the reaction of sulphur card, by vacuum tube, hydrogen sulfide gas is transported in one-level absorption kettle, hydrogen sulfide is successively by three absorbing by liquid caustic soda stills, carry out alkali and absorb processing, and absorb elution device by tail gas the exhaust emissions of handling is gone out, hydrogen sulfide carries out alkali absorption in absorbing by liquid caustic soda still can produce NaHS, and recycles by waste material recovery device.Make factory after carrying out the reaction of sulphur card, processing for waste gas can meet national standard, prevent that the accident that hydrogen sulfide is revealed from producing, the environment of producing is guaranteed, ensure direct labor's health, and the waste material of its processing is that NaHS can also utilize again, has accomplished resource recycling, has created extra economic benefit.
As a kind of improvement of the present utility model, three grades of described absorption kettles have one group at least, are preferably two groups.After adopting this design, hydrogen sulfide gas has severe toxicity, therefore must strictly process, can not produce accident, two groups of three grades of absorption kettles, one group of production work, other one group is carried out for subsequent use, in the time that assimilation effect is not good, should change liquid caustic soda, thereby start absorption kettle for subsequent use, former absorption kettle carries out liquid caustic soda replacing, can ensure that like this three grades of alkali absorption plants of hydrogen sulfide can not stop work and operate, ensure production stability.
As a kind of improvement of the present utility model, described waste material recovery device comprises NaHS pump and NaHS storage tank.After adopting this design, by hydrogen sulfide sodium pump, the sodium bisulfide that alkali absorption reaction is generated is extracted out, is transported to sodium bisulfide storage tank, in order to again utilizing.
As a kind of improvement of the present utility model, described tail gas absorbs elution device by air-introduced machine, alkali lye drip washing pump, blast pipe, drip washing road, lye tank (vat) composition.After adopting this design, by air-introduced machine, alkali is absorbed to gas later and extract out, be transported to alkali lye drip washing road, carry out alkali lye drip washing, discharge by blast pipe, drip washing operation is extracted out alkali lye by alkali lye drip washing pump from lye tank (vat), delivers to drip washing road, carries out drip washing.
As a kind of improvement of the present utility model, described drip washing road adopts the structural design of zigzag.After adopting this design, make better outstanding of the effect of drip washing, vent gas treatment is cleaner.
As a kind of improvement of the present utility model, between described three grades of absorption kettles and tail gas elution device, be provided with vacuum buffer tank and water injection vacuum unit.After adopting this design, water sprays vacuum unit and produces vacuum after vacuum buffer tank, vacuumizes to sulphur card reactor forward step by step, guarantees that the hydrogen sulfide gas that the reaction of sulphur card produces is slowly extracted out and absorbed, and makes to process handling safety stable.
As a kind of improvement of the present utility model, each device connection of described three grades of alkali absorption plants of hydrogen sulfide is pointed out and is provided with sealing ring.After adopting this design, can ensure the sealing of this equipment, guarantee hydrogen sulfide is not revealed, and ensures the security of producing.
The hydrogen sulfide gas that in three grades of alkali absorption plants of hydrogen sulfide, tail gas buffer store buffer generates after the reaction of sulphur card, by vacuum tube, hydrogen sulfide gas is transported in one-level absorption kettle, hydrogen sulfide is successively by three absorbing by liquid caustic soda stills, carry out alkali and absorb processing, and absorb elution device by tail gas the exhaust emissions of handling is gone out, hydrogen sulfide carries out alkali absorption in absorbing by liquid caustic soda still can produce NaHS, and recycles by waste material recovery device.Make factory after carrying out the reaction of sulphur card, processing for waste gas can meet national standard, prevent that the accident that hydrogen sulfide is revealed from producing, the environment of producing is guaranteed, ensure direct labor's health, and the waste material of its processing is that NaHS can also utilize again, has accomplished resource recycling, has created extra economic benefit.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model,
Reference numerals list: 1-tail gas buffer, 2-vacuum tube, 3-liquid caustic soda tank, 4-one-level absorption kettle, 5-secondary absorption kettle, 6-three grades of absorption kettles, 7-NaHS pump, 8-NaHS storage tank, 9-vacuum buffer tank, 10-blow-down pipe, 11-water sprays vacuum unit, 12-air-introduced machine, 13-liquid caustic soda groove, 14-alkali lye drip washing pump, 15-drip washing road, 16-blast pipe.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.
Embodiment 1:
Visible by reference to the accompanying drawings, three grades of alkali absorption plants of a kind of hydrogen sulfide, comprising: tail gas buffer 1, absorbing by liquid caustic soda still, alkali liquid tank 3, waste material recovery device, tail gas absorbs elution device, it is characterized in that: absorbing by liquid caustic soda still is divided into three grades, be respectively one-level absorption kettle 4, secondary absorption kettle 5, three grades of absorption kettles 6, tail gas buffer 1 is connected with one-level absorbing by liquid caustic soda still 4 by vacuum tube 2, liquid caustic soda tank 3 is connected with three grades of absorbing by liquid caustic soda stills respectively, absorbing by liquid caustic soda still lower end is all connected with waste material recovery device, after three grades of alkali absorb, spraying 11 groups of tail gas that produce of vacuum machine through water is connected with tail gas absorption elution device.The hydrogen sulfide gas that tail gas buffer 1 store buffer generates after the reaction of sulphur card, by vacuum tube 2, hydrogen sulfide gas is transported in one-level absorption kettle 3, hydrogen sulfide is successively by three absorbing by liquid caustic soda stills, carry out alkali and absorb processing, and absorb elution device by tail gas the exhaust emissions of handling is gone out, hydrogen sulfide carries out alkali absorption in absorbing by liquid caustic soda still can produce NaHS, and recycles by waste material recovery device.Make factory after carrying out the reaction of sulphur card, processing for waste gas can meet national standard, prevent that the accident that hydrogen sulfide is revealed from producing, the environment of producing is guaranteed, ensure direct labor's health, and the waste material of its processing is that NaHS can also utilize again, has accomplished resource recycling, has created extra economic benefit.
Embodiment 2:
As a kind of improvement of the present utility model, three grades of described absorption kettles have one group at least, are preferably two groups.After adopting this design, hydrogen sulfide gas has severe toxicity, therefore must strictly process, can not produce accident, two groups of three grades of absorption kettles, one group of production work, other one group is carried out for subsequent use, in the time that assimilation effect is not good, should change liquid caustic soda, thereby start absorption kettle for subsequent use, former absorption kettle carries out liquid caustic soda replacing, can ensure that like this three grades of alkali absorption plants of hydrogen sulfide can not stop work and operate, ensure production stability.All the other design features are identical with embodiment 1 with advantage.
Embodiment 3:
As a kind of improvement of the present utility model, described waste material recovery device comprises NaHS pump 7 and NaHS storage tank 8.After adopting this design, by hydrogen sulfide sodium pump 7, the sodium bisulfide that alkali absorption reaction is generated is extracted out, is transported to sodium bisulfide storage tank 8, in order to again utilizing.All the other structures are identical with embodiment 1 with advantage.
Embodiment 4:
As a kind of improvement of the present utility model, described tail gas absorbs elution device by air-introduced machine 12, alkali lye drip washing pump 14, and blast pipe 16, drip washing road 15, lye tank (vat) 13 forms.After adopting this design, by air-introduced machine 12, alkali is absorbed to gas later and extract out, be transported to alkali lye drip washing road 15, carry out alkali lye drip washing, discharge by blast pipe 16, drip washing operation is extracted out alkali lye by alkali lye drip washing pump 14 from lye tank (vat) 13, deliver to drip washing road 15, carry out drip washing.All the other structures are identical with embodiment 1 with advantage.
Embodiment 5:
As a kind of improvement of the present utility model, described drip washing road 15 adopts the structural design of zigzag.After adopting this design, make better outstanding of the effect of drip washing, vent gas treatment is cleaner.All the other structures are identical with embodiment 1 with advantage.
Embodiment 6:
As a kind of improvement of the present utility model, between described three grades of absorption kettles and tail gas elution device, be provided with vacuum buffer tank 9 and water injection vacuum unit 11.After adopting this design, water sprays vacuum unit 11 and produces vacuum after vacuum buffer tank 9, vacuumizes to sulphur card reactor forward step by step, guarantees that the hydrogen sulfide gas that the reaction of sulphur card produces is slowly extracted out and absorbed, and makes to process handling safety stable.All the other structures are identical with embodiment 1 with advantage.
Embodiment 7:
As a kind of improvement of the present utility model, each device connection of described three grades of alkali absorption plants of hydrogen sulfide is pointed out and is provided with sealing ring.After adopting this design, can ensure the sealing of this equipment, guarantee hydrogen sulfide is not revealed, and ensures the security of producing.All the other structures are identical with embodiment 1 with advantage.
The utility model can also be combined into new embodiment by the technical characterictic described in embodiment 2,3,4,5,6,7 at least one and embodiment 1.
The utility model, concrete use procedure is as follows: the hydrogen sulfide gas that tail gas buffer store buffer generates after the reaction of sulphur card, by vacuum tube, hydrogen sulfide gas is transported in one-level absorption kettle, hydrogen sulfide is successively by three absorbing by liquid caustic soda stills, carry out alkali and absorb processing, and absorb elution device by tail gas the exhaust emissions of handling is gone out, hydrogen sulfide carries out alkali absorption in absorbing by liquid caustic soda still can produce NaHS, NaHS pump is extracted the NaHS generating out, is transported in sodium bisulfide storage tank.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme being made up of above technical characterictic.
Claims (7)
1. three grades of alkali absorption plants of a hydrogen sulfide, comprising: tail gas buffer (1), liquid caustic soda tank (3), absorbing by liquid caustic soda still, waste material recovery device, tail gas absorbs elution device, it is characterized in that: absorbing by liquid caustic soda still is divided into three grades, be respectively one-level absorption kettle (4), secondary absorption kettle (5), three grades of absorption kettles (6), tail gas buffer (1) is connected with one-level absorbing by liquid caustic soda still (4) by vacuum tube (2), liquid caustic soda tank (3) is connected with three grades of absorbing by liquid caustic soda stills respectively, absorbing by liquid caustic soda still lower end is all connected with waste material recovery device, the tail gas producing through water injection vacuum unit (11) after three grades of alkali absorb absorbs elution device with tail gas and is connected.
2. three grades of alkali absorption plants of hydrogen sulfide according to claim 1, is characterized in that: three grades of described absorption kettles have one group at least.
3. three grades of alkali absorption plants of hydrogen sulfide according to claim 1, is characterized in that: described waste material recovery device comprises NaHS pump (7) and NaHS storage tank (8).
4. three grades of alkali absorption plants of hydrogen sulfide according to claim 1, is characterized in that: described tail gas absorbs elution device by air-introduced machine (12), alkali lye drip washing pump (14), blast pipe (16), drip washing road (15), lye tank (vat) (13) composition.
5. three grades of alkali absorption plants of hydrogen sulfide according to claim 4, is characterized in that: described drip washing road (15) adopts the structural design of zigzag.
6. three grades of alkali absorption plants of hydrogen sulfide according to claim 1, is characterized in that: between described three grades of absorption kettles and tail gas elution device, be provided with vacuum buffer tank (9) and water sprays vacuum unit (11).
7. three grades of alkali absorption plants of hydrogen sulfide according to claim 1, is characterized in that: each device connection of described three grades of alkali absorption plants of hydrogen sulfide is pointed out and is provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420102380.5U CN203777920U (en) | 2014-03-07 | 2014-03-07 | Hydrogen sulfide three-stage alkali absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420102380.5U CN203777920U (en) | 2014-03-07 | 2014-03-07 | Hydrogen sulfide three-stage alkali absorption device |
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| Publication Number | Publication Date |
|---|---|
| CN203777920U true CN203777920U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420102380.5U Expired - Fee Related CN203777920U (en) | 2014-03-07 | 2014-03-07 | Hydrogen sulfide three-stage alkali absorption device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141948A (en) * | 2019-06-27 | 2019-08-20 | 山东清沂山石化科技有限公司 | A kind of amic H of sulfur-bearing2S tail gas three-level absorbs processing method |
-
2014
- 2014-03-07 CN CN201420102380.5U patent/CN203777920U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141948A (en) * | 2019-06-27 | 2019-08-20 | 山东清沂山石化科技有限公司 | A kind of amic H of sulfur-bearing2S tail gas three-level absorbs processing method |
| CN110141948B (en) * | 2019-06-27 | 2021-11-12 | 山东清沂山石化科技有限公司 | H containing sulfur amide2S tail gas three-stage absorption treatment method |
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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: 20140820 Termination date: 20150307 |
|
| EXPY | Termination of patent right or utility model |