CN101423198B - Method for collecting sulfur dust by using low pressure supersaturated steam - Google Patents
Method for collecting sulfur dust by using low pressure supersaturated steam Download PDFInfo
- Publication number
- CN101423198B CN101423198B CN2008100690073A CN200810069007A CN101423198B CN 101423198 B CN101423198 B CN 101423198B CN 2008100690073 A CN2008100690073 A CN 2008100690073A CN 200810069007 A CN200810069007 A CN 200810069007A CN 101423198 B CN101423198 B CN 101423198B
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- sulfur
- dust
- low
- pressure
- sulfur dust
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Abstract
The invention discloses a method used for collecting sulfur dust by low-pressure supersaturated stream. The method has three specific technical measures as follows: (1) with the proportion of injected stream and water strictly controlled, the low-pressure saturated stream is injected periodically during the transport process of the sulfur so as to collect the sulfur dust in the air; (2) the heat preservation of outdoor stream conveying pipelines is canceled, thus leading the low-pressure steam to reach a supersaturated state, reducing the temperature of water mist and ensuring the injection safety; and (3) during the transport process of the sulfur, the sulfur dust exists and the humidity in the air is large; the selected electric equipment must meet the conditions of being explosion-proof and the protection level not less than IP54. The method used for collecting sulfur dust by the low-pressure supersaturated stream reduces the content of the sulfur dust generated during the long-distance transport or factory transport process of the sulfur, and ensures that the content is less than 35mg/m<3>, thus eliminating the hidden safety trouble of the dust and ensuring the safety of equipment and human during the running process of the device.
Description
Technical field
The present invention is relevant with sulphur, and is particularly relevant with the transportation of sulphur, especially relevant with the method that reduces sulfur dust.
Background technology
Sulphur is the simple substance of sulphur, is one of industrial chemicals of using always.Sulphur can produce sulfur dust in long-distance transport or factory's transport process.When the aerial content of sulfur dust greater than 35mg/m
3The time, meeting Mars can set off an explosion, so must fly upward by strict control sulfur dust in the sulphur transport process.Traditional way is to adopt water spray or add forced ventilation to carry out depositing dust, but still there is big potential safety hazard in the DeGrain of depositing dust.An environment and safety problem that urgency is to be solved when this is the sulphur transportation.
According to retrieval, still there is not the patent of correlation technique application at present to patent database.
Summary of the invention
Purpose of the present invention just is to provide the method for utilizing low pressure supersaturated steam to collect sulfur dust, at sulphur in transit, reduces sulfur dust, thereby eliminates the potential safety hazard that dust brings, and guarantees equipment, personnel safety in the device operational process.
The low pressure supersaturated steam that utilizes that the contriver provides is collected the method for sulfur dust, 3 concrete technical measures are arranged, promptly (1) is regularly sprayed low-pressure saturated steam and is collected airborne sulfur dust under the condition of vapour that strictness control is sprayed, water ratio in the sulphur transport process; (2) insulation of the outdoor steam conveying pipe of cancellation, thus make low-pressure steam reach hypersaturated state, reduce the water smoke temperature, guarantee to spray safety; (3) existing sulfur dust exists in the sulphur transport process, and humidity is bigger again in the air, and selected electric installation must possess following condition: the one, and explosion-proof; The 2nd, degree of protection is answered 〉=IP54.
The vapour of above-mentioned injection, water ratio are 1: 0.05～0.15.
The cycle of above-mentioned injection low-pressure saturated steam can decide according to sulfur dust content; Atmospheric moisture is controlled between 95%～98%.
The contriver points out that vapour, water ratio that strict control is sprayed are in order to ensure the water smoke effect of spraying, can catch dust immediately, make dust moisture absorption as early as possible, near the dust adsorbing simultaneously, boning, volume, the weight of assembling dust constantly increase, to quicken dust settling; Can in air, stop the long period again, to catch more dust; Facts have proved that the many vapour of water form moisture film less, catch effective, but aloft the residence time short; The few vapour multiform of water becomes steam, though aloft the residence time longer, relatively poor to the seizure effect of sulfur dust.
The present invention utilizes low pressure supersaturated steam to collect the method for sulfur dust, and the sulfur dust content that sulphur is produced in long-distance transport or factory's transport process reduces, and guarantees to be lower than 35mg/m
3Thereby, eliminate the potential safety hazard that dust brings, guarantee equipment and personnel safety in the device operational process.
Embodiment
Embodiment
It is raw material that phosphorylcholine group company gas washing in SA production employing sulphur is opened in Guizhou, used sulphur is by outsourcing, the sulfur dust that produces in the vehicle transport process of delivery sulphur, the low-pressure steam of steam that system utilizes our company's waste heat boiler to produce through producing after the power generation assembly, under vapour that strictness control is sprayed, condition that the water ratio is 1: 0.1, in the sulphur transport process, spray low-pressure saturated steam, spray the cycle of low-pressure saturated steam and between 95%～98%, carry out, collect airborne sulfur dust according to control air humidity; Simultaneously, cancel the insulation of outdoor steam conveying pipe, thereby make low-pressure steam reach hypersaturated state, reduce the water smoke temperature, guarantee to spray safety; Electric installations all in the sulphur transport process can both be explosion-proof, and degree of protection 〉=IP54.
Claims (1)
1. utilize low pressure supersaturated steam to collect the method for sulfur dust, it is characterized in that this method has 3 concrete technical measures, promptly (1) is under 1: 0.05～0.15 the condition, regularly to spray low-pressure saturated steam and collect airborne sulfur dust in the sulphur transport process in vapour, water ratio that strictness control is sprayed; The cycle of described injection low-pressure saturated steam carries out between 95%～98% according to control air humidity; (2) insulation of the outdoor steam conveying pipe of cancellation, thus make low-pressure steam reach hypersaturated state, reduce the water smoke temperature, guarantee to spray safety; (3) existing sulfur dust exists in the sulphur transport process, and humidity is bigger again in the air, and selected electric installation must possess following condition: the one, and explosion-proof; The 2nd, degree of protection is answered 〉=IP54.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100690073A CN101423198B (en) | 2008-11-24 | 2008-11-24 | Method for collecting sulfur dust by using low pressure supersaturated steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100690073A CN101423198B (en) | 2008-11-24 | 2008-11-24 | Method for collecting sulfur dust by using low pressure supersaturated steam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101423198A CN101423198A (en) | 2009-05-06 |
| CN101423198B true CN101423198B (en) | 2011-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100690073A Expired - Fee Related CN101423198B (en) | 2008-11-24 | 2008-11-24 | Method for collecting sulfur dust by using low pressure supersaturated steam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101423198B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022339B (en) * | 2015-07-29 | 2018-02-13 | 重庆市南川区庆岩福利碱厂 | Sulfur cream workshop sulfur dust control system |
| CN105136632A (en) * | 2015-07-29 | 2015-12-09 | 重庆市南川区庆岩福利碱厂 | Sulphur dust detection device for sulphur production workshop |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2590642Y (en) * | 2002-05-30 | 2003-12-10 | 刘春� | Vapour fog dust removal device |
| CN101219333A (en) * | 2007-09-14 | 2008-07-16 | 东南大学 | Method and device for cooperation-removal of PM2,5 in flue gas wet desulphurization |
-
2008
- 2008-11-24 CN CN2008100690073A patent/CN101423198B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2590642Y (en) * | 2002-05-30 | 2003-12-10 | 刘春� | Vapour fog dust removal device |
| CN101219333A (en) * | 2007-09-14 | 2008-07-16 | 东南大学 | Method and device for cooperation-removal of PM2,5 in flue gas wet desulphurization |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101423198A (en) | 2009-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUIZHOU KAILIN GROUP CO., LTD. Free format text: FORMER NAME: KAILIN (GROUP) CO., LTD., GUIZHOU |
|
| CP03 | Change of name, title or address |
Address after: No. 237 Jinyang City Kailin Lake District Road 550009 Guizhou city of Guiyang Province Patentee after: Phosphorylcholine group limited-liability company is opened in Guizhou Address before: 550002, Haitian building, No. 203 Zhonghua South Road, Guizhou, Guiyang Patentee before: Guizhou Kailin (Group) Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111026 Termination date: 20181124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |