CN201921610U - Acid mist purification droplet separator - Google Patents
Acid mist purification droplet separator Download PDFInfo
- Publication number
- CN201921610U CN201921610U CN2010206426927U CN201020642692U CN201921610U CN 201921610 U CN201921610 U CN 201921610U CN 2010206426927 U CN2010206426927 U CN 2010206426927U CN 201020642692 U CN201020642692 U CN 201020642692U CN 201921610 U CN201921610 U CN 201921610U
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- acid mist
- separator
- cavity
- liquid drop
- acid
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Abstract
The utility model relates to a droplet separator which is used to conduct a further purification and separation on acid mist on a pickling acid mist purification exhaust chimney, so as to reduce the acid mist discharge concentration. The acid mist purification droplet separator comprises a separator body, wherein the separator body is a cavity, and an acid removal and filtration unit is arranged in the cavity; and one end of the cavity is connected with a chimney body, and the other end of the cavity is connected with another chimney body. The droplet separator has the following beneficial effects: 1, the separator has a simple and reasonable structure, so as to facilitate popularization; 2, the separator effectively reduces the discharge concentration of acid mist, and lessens the pollution to the air caused by acid mist; 3, the utility model has simple operation and maintenance, and does not need extra increase in energy consumption.
Description
Technical field
The utility model relates to and a kind ofly is used for acid mist is further purified and separating treatment on pickling unit acid mist emission abatement chimney, reduces the liquid drop separator of acid mist emission concentration.
Background technology
Concentration of emission about the saliferous acid mist, regulation maximal emission 100 mg/m3(mark condition in " discharge standard of air pollutants " GB16297-1996), the highest permission rate of discharge 0.43kg/h(part engineering project chimney height of 20m chimney stack is 26m).Condition is all marked by foreign standard (as European Union, Japan etc.) concentration of emission 10 mg/m3(as Baosteel, Wuhan Iron and Steel Plant etc. by domestic large-scale iron and steel enterprise).The pickling unit in process of production, descaling bath, potcher and circulating slot, spent acid wastewater trough etc. produce hydrochloric gas.The descaling bath acid mist concentration is higher, and potcher and circulating slot isoconcentration are lower, therefore the processing that contains acid mist gas is also carried out respectively, high-concentration waste gas to descaling bath (contains acid concentration 1000～1500mg/m3) and is introduced into the prerinse device, (contain acid concentration 500～800mg/m3) and enter the acid mist scrubbing tower with the back of joining from the low concentration gas of potcher and circulating slot etc. after the preliminary purification, through after such processing, concentration of emission can reach 10 mg/m3(mark condition).Since the specific position of cold rolling mill, present domestic most owner's requirements, acid mist emission concentration is marked condition less than 5mg/m3().Therefore, adopt usual manner in the past can not satisfy the requirement of concentration of emission, must adopt new technological means, improve purification efficiency.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of liquid drop separator that can reduce acid mist emission concentration at the deficiency of above-mentioned prior art existence.
The utility model is that the technical scheme that problem adopted of the above-mentioned proposition of solution is: acid mist purifies liquid drop separator, and it includes the separator body, and described separator body is a cavity, is provided with the deacidification filter element in the cavity; One end of cavity is connected with chimney body, and the other end of cavity is connected with another chimney body.
Press such scheme, described deacidification filter element is fixed in the separator body by grid.
Press such scheme, described deacidification filter element is the polytetrafluoroethylene (PTFE) wire mesh demister.
Press such scheme, the filtration velocity of described polytetrafluoroethylene (PTFE) wire mesh demister is 7-7.5m/s.
Press such scheme, described deacidification filter element is an acid resistance filler.
Press such scheme, described chimney body is provided with and detects the hole.
Press such scheme, described separator body is made by fiberglass.
Press such scheme, the centre of described separator body is that cylinder, two are round platform.
Press such scheme, the angle a of the side of described round platform and chimney body is 25 °-45 °.
The beneficial effects of the utility model are: 1, simple in structure, rationally, be convenient to promote.2, effectively reduced the concentration of emission of acid mist, reduced the pollution of acid mist atmosphere.3, the utility model operation maintenance is simple, does not need additionally to increase energy consumption.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
The specific embodiment
Further specify embodiment of the present utility model below in conjunction with accompanying drawing.
Embodiment 1, referring to Fig. 1, acid mist purifies liquid drop separator, it includes the centre of being made by fiberglass is that cylinder, two are the separator body 1 of round platform, separator body 1 is a cavity, one end of cavity is connected with chimney body 4, and the other end of cavity is connected with another chimney body 4, and the angle a of the side of described round platform and chimney body 4 is 30 °; Add one deck grid 3 in the cavity, the polytetrafluoroethylene (PTFE) wire mesh demister 2 of packing into then, above polytetrafluoroethylene (PTFE) wire mesh demister 2, add one deck grid 3 again, grid 3 tops are fixed by locating ring, after treating grid 3 and polytetrafluoroethylene (PTFE) wire mesh demister 2 fix in position, with stainless steel bolt locating ring is fixed on the separator body 1, the filtration velocity of polytetrafluoroethylene (PTFE) wire mesh demister 3 is 7-7.5m/s; Described chimney body 4 is provided with and detects hole 5.
Polytetrafluoroethylene (PTFE) wire mesh demister 2 size Selection mainly according to following some: 1, diameter dimension is handled Wind Coverage Calculation according to the polytetrafluoroethylene (PTFE) wire mesh demister, and filtration velocity is controlled at 7-7.5m/s; 2, length dimension is mainly considered drop separation benefit and the comprehensive resistance loss of demister on its filtration velocity basis, treatment effeciency〉90%, resistance loss＜55Pa.
Acid mist purifies liquid drop separator through entering acid mist behind the chimney body 4, is blocked the acid solution of getting off and drains into effluent pit by the drainpipe of chimney body 4 bottoms and focus on.
When polytetrafluoroethylene (PTFE) wire mesh demister 2 is changed, only need bolt is unclamped, take off locating ring and grid 3 gets final product.
In a word, this acid mist purifies liquid drop separator and has solved the high problem of Pickling Line of Cold Rolling Mill Plant acid mist emission concentration, significantly reduces the acid mist emission amount, and does not need additionally to increase energy consumption, has promoted the energy-saving and emission-reduction in this field.This production development has a extensive future.
Claims (9)
1. an acid mist purifies liquid drop separator, includes the separator body, and it is characterized in that: described separator body is a cavity, is provided with the deacidification filter element in the cavity; One end of cavity is connected with chimney body, and the other end of cavity is connected with another chimney body.
2. acid mist as claimed in claim 1 purifies liquid drop separator, and it is characterized in that: described deacidification filter element is fixed in the separator body by grid.
3. acid mist as claimed in claim 1 or 2 purifies liquid drop separator, and it is characterized in that: described deacidification filter element is the polytetrafluoroethylene (PTFE) wire mesh demister.
4. acid mist as claimed in claim 3 purifies liquid drop separator, and it is characterized in that: the filtration velocity of described polytetrafluoroethylene (PTFE) wire mesh demister is 7-7.5m/s.
5. acid mist as claimed in claim 1 or 2 purifies liquid drop separator, and it is characterized in that: described deacidification filter element is an acid resistance filler.
6. acid mist as claimed in claim 1 purifies liquid drop separator, it is characterized in that: described chimney body is provided with and detects the hole.
7. acid mist as claimed in claim 1 purifies liquid drop separator, and it is characterized in that: described separator body is made by fiberglass.
8. purify liquid drop separator as claim 1 or 7 described acid mists, it is characterized in that: the centre of described separator body is that cylinder, two are round platform.
9. acid mist as claimed in claim 8 purifies liquid drop separator, and it is characterized in that: the angle a of the side of round platform and chimney body is 25 °-45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206426927U CN201921610U (en) | 2010-12-06 | 2010-12-06 | Acid mist purification droplet separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206426927U CN201921610U (en) | 2010-12-06 | 2010-12-06 | Acid mist purification droplet separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201921610U true CN201921610U (en) | 2011-08-10 |
Family
ID=44425482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206426927U Expired - Fee Related CN201921610U (en) | 2010-12-06 | 2010-12-06 | Acid mist purification droplet separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201921610U (en) |
-
2010
- 2010-12-06 CN CN2010206426927U patent/CN201921610U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20131206 |