CN2899918Y - Device for purifying waste gas containing chloride - Google Patents
Device for purifying waste gas containing chloride Download PDFInfo
- Publication number
- CN2899918Y CN2899918Y CN 200620200449 CN200620200449U CN2899918Y CN 2899918 Y CN2899918 Y CN 2899918Y CN 200620200449 CN200620200449 CN 200620200449 CN 200620200449 U CN200620200449 U CN 200620200449U CN 2899918 Y CN2899918 Y CN 2899918Y
- Authority
- CN
- China
- Prior art keywords
- lime
- milk
- tower
- exhaust gas
- outlet
- 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.)
- Expired - Lifetime
Links
- 239000002912 waste gas Substances 0.000 title claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title 1
- 239000007921 spray Substances 0.000 claims abstract description 17
- 239000000920 calcium hydroxide Substances 0.000 claims description 58
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 53
- 239000007789 gas Substances 0.000 claims description 24
- 238000005201 scrubbing Methods 0.000 claims description 21
- 239000000460 chlorine Substances 0.000 claims description 15
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 14
- 229910052801 chlorine Inorganic materials 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 10
- 235000011941 Tilia x europaea Nutrition 0.000 abstract description 10
- 239000004571 lime Substances 0.000 abstract description 10
- 238000000746 purification Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000005406 washing Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000008267 milk Substances 0.000 abstract 7
- 210000004080 milk Anatomy 0.000 abstract 7
- 235000013336 milk Nutrition 0.000 abstract 7
- 238000000034 method Methods 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a chlorinous exhaust gas purification device which comprises two washing towers and a separating tower; wherein the washing tower and the separating tower are respectively provided with an exhaust gas inlet, an exhaust gas outlet and a lime milk outlet, the gas outlet and inlet between the three towers is connected with the series connection from head to tail through a pipeline, the exhaust gas outlet of the separating tower is provided with a blower, the lime milk outlets of the three towers are respectively connected with a lime milk circulating groove, the bottom of the lime milk circulating groove is connected with the inlet of the lime milk circulating pump, the outlet of the lime milk circulating pump is respectively connected with the lime milk inlet of the upper part of two washing towers and sprays out through a lime mild spray orifice. The utility model can continuously operates in the production process, and have good purification effect; after purification, the purification ratio of Cl2 in the chlorinous exhaust gas is 95 percent, and the purification ratio of HCl is 99 percent. The device need not be maintained basically or can be properly maintained, which greatly reduces the labor intensity and working conditions of the workers, and can also save maintenance costs.
Description
Technical field
The utility model relates to a kind of purifier of chlorine contained exhaust gas, belongs to chlorine contained exhaust gas purified treatment environmental technology field.
Background technology
In the production process of electrolytic method magnesium smelting, can produce chlorine contained exhaust gas.Chlorine is pernicious gas, can produce serious harm to environment, and according to the regulation of national environmental protection, pernicious gas can not directly be discharged in the atmosphere, and after waste gas must purify, content of harmful gas must be lower than state specified standards in the waste gas, just can discharge.The refining magnesium factory that has at present adopts packed tower or tubulent contact tower spray milk of lime that waste gas is purified to the processing of chlorine contained exhaust gas, but milk of lime, tubulent contact tower sieve plate hole are stopped up by milk of lime again easily because the filler in the packed tower bonds, if untimely the product that produces in the tower is cleared up, device just can not well purify waste gas so, even can not purify waste gas fully, the waste gas of discharging can not reach national specified discharge standard, it is illusory that cleaning equipment equals, and environment has been caused great harm.Therefore just need often clear up cleaning equipment, to guarantee clean-up effect, also be a very thing of trouble and the product in the tower is cleared up, and labour intensity is big again, and is dirty again, spend very big manpower and materials, the maintenance cost height.
Summary of the invention
The purpose of this utility model is: the purifier that a kind of chlorine contained exhaust gas is provided, it can move aborning continuously, good purification, equipment need not be safeguarded or less maintenance substantially, to alleviate working strength of workers and working condition, saving maintenance cost, to overcome the deficiencies in the prior art.
The utility model is to constitute like this: it comprises two scrubbing towers 1 and a knockout tower 2, scrubbing tower and knockout tower are respectively equipped with exhaust gas entrance 3, waste gas outlet 4 and milk of lime outlet 5, gas inlet-outlet between three towers is connected in series from beginning to end through pipeline, the waste gas outlet of knockout tower is provided with blower fan 6, milk of lime outlet 5 on three towers is connected respectively to milk of lime circulating slot 7, the bottom of milk of lime circulating slot is connected with the inlet of pipeline with milk of lime circulating pump 9 through valve 8, the outlet of milk of lime circulating pump 9 is connected respectively to the milk of lime inlet 10 on two scrubbing tower tops through 11 ejections of milk of lime mouth spray through valve and pipeline, the top of two scrubbing towers also is provided with shower water inlet 12 and spray header 13.
In the purifier of above-mentioned chlorine contained exhaust gas, the height of scrubbing tower and knockout tower is respectively greater than 10 meters, and the inwall of tower is equipped with anticorrosive coat, and milk of lime circulating slot 7 and milk of lime circulating pump 9 can be provided with more than two or two.
Owing to adopted technique scheme, compared with prior art, the utility model can move aborning continuously, good purification, and after purifying, Cl in the chlorine contained exhaust gas
2Purifying rate be 95%, the purifying rate of HCl is 99%.And the utility model need not be safeguarded or less maintenance in process of production substantially, has alleviated working strength of workers and working condition greatly, also can save maintenance cost.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model;
Being labeled as in the accompanying drawing: 1-scrubbing tower, 2-knockout tower, 3-exhaust gas entrance, the 4-waste gas outlet, the outlet of 5-milk of lime, 6-blower fan, 7-milk of lime circulating slot, 8-valve, 9-milk of lime circulating pump, 10-milk of lime inlet, 11-milk of lime mouth spray, 12-shower water inlet, the 13-spray header, waste gas before 14-purifies, the waste gas after 15-purifies, 16-is to Sewage Disposal
The specific embodiment
Embodiment of the present utility model: as shown in Figure 1, this device comprises two scrubbing towers 1 and a knockout tower 2, on scrubbing tower and knockout tower, be respectively equipped with exhaust gas entrance 3, waste gas outlet 4 and milk of lime outlet 5, gas inlet-outlet between three towers is connected in series from beginning to end through pipeline, the waste gas outlet of knockout tower is provided with blower fan 6, blower fan 6 preferably adopts the titanium blower fan, milk of lime on three towers outlet 5 is connected respectively to milk of lime circulating slot 7, the bottom of milk of lime circulating slot is connected with the inlet of pipeline with milk of lime circulating pump 9 through valve 8, the outlet of milk of lime circulating pump 9 is connected respectively to the milk of lime inlet 10 on two scrubbing tower tops through 11 ejections of milk of lime mouth spray through valve and pipeline, the top of two scrubbing towers also is provided with shower water inlet 12 and spray header 13.The height of scrubbing tower and knockout tower all should be greater than 10 meters, and the inwall of tower is equipped with anticorrosive coat, and milk of lime circulating slot 7 and milk of lime circulating pump 9 can be provided with more than two or two.In the whole device, the milk of lime carrier pipe can be used steel pipe.Gas pipeline adopts resistant material, as glass reinforced plastic pipe or pvc pipe etc.
When using the utility model, the waste gas 14 before it will purify enters from first order scrubbing tower 1 bottom, and coming out in top, enters second level scrubbing tower 1 and knockout tower 2 in turn; Waste gas comes out from knockout tower 2 tops, and the waste gas 15 after will being purified by blower fan 6 is sent into chimney; First and second grade scrubbing tower 1 spray milk of lime is sent milk of lime into tower top with pump, and spray gets off; The up and down two-layer milk of lime mouth spray 11 that the certain altitude of being separated by is arranged in the tower, the sprinkle density of milk of lime be every square metre hour be 70 cubic metres, spray header 13 is arranged, regularly hydroblasting milk of lime nozzle above the milk of lime mouth spray 11; Milk of lime goes out from tower bottom flow, returns circulating slot; Knockout tower 2 does not spray milk of lime, as gas-liquid separation; Through the washing of secondary tower milk of lime, the Cl2 purifying rate reaches 95% in the waste gas, and the HCL purifying rate reaches 99%.Purify through secondary milk of lime for the chlorine contained exhaust gas that produces in the electrolytic method magnesium smelting process, reached environmental emission standard.When CaO concentration is reduced to 20g/l in the milk of lime circulating slot 7, be the spent lime breast, the milk of lime of scrapping is handled by tubing pump to Sewage Disposal 16 by the valve conversion that is connected with the milk of lime circulating pump; Add new milk of lime again; The new lime Ruzhong CaO content that replenishes is 100g/l, determines the tower diameter of scrubbing tower 1 according to exhausted air quantity and air velocity, the air velocity in the tower should≤4m/s.According to scrubbing tower sectional area and tower height, determine the flow and the lift of milk of lime circulating pump 9.Determine the volume of milk of lime circulating slot 7 according to the flow of a circulation of milk of lime.Generally speaking, the volume of milk of lime circulating slot 7 be a circulation milk of lime flow 1/4-1 doubly.
Claims (3)
1. the purifier of a chlorine contained exhaust gas, it is characterized in that: it comprises two scrubbing towers (1) and a knockout tower (2), scrubbing tower and knockout tower are respectively equipped with exhaust gas entrance (3), waste gas outlet (4) and milk of lime outlet (5), gas inlet-outlet between three towers is connected in series from beginning to end through pipeline, the waste gas outlet of knockout tower is provided with blower fan (6), milk of lime outlet (5) on three towers is connected respectively to milk of lime circulating slot (7), the bottom of milk of lime circulating slot is connected with the inlet of pipeline with milk of lime circulating pump (9) through valve (8), the outlet of milk of lime circulating pump (9) is connected respectively to the milk of lime inlet (10) on two scrubbing tower tops through milk of lime mouth spray (11) ejection through valve and pipeline, the top of two scrubbing towers also is provided with shower water inlet (12) and spray header (13).
2. the purifier of chlorine contained exhaust gas according to claim 1, it is characterized in that: the height of scrubbing tower and knockout tower is respectively greater than 10 meters, the inwall of tower is equipped with anticorrosive coat, and milk of lime circulating slot (7) and milk of lime circulating pump (9) can be provided with more than two or two.
3. the purifier of chlorine contained exhaust gas according to claim 1, it is characterized in that: blower fan (6) is the titanium blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620200449 CN2899918Y (en) | 2006-05-19 | 2006-05-19 | Device for purifying waste gas containing chloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620200449 CN2899918Y (en) | 2006-05-19 | 2006-05-19 | Device for purifying waste gas containing chloride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2899918Y true CN2899918Y (en) | 2007-05-16 |
Family
ID=38084084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620200449 Expired - Lifetime CN2899918Y (en) | 2006-05-19 | 2006-05-19 | Device for purifying waste gas containing chloride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2899918Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101703882B (en) * | 2009-12-04 | 2012-02-08 | 河北科技大学 | A method for treating malodorous gas produced by wastewater in the pharmaceutical industry |
| CN107261799A (en) * | 2017-07-20 | 2017-10-20 | 湖南辰州矿业有限责任公司 | A kind of device and method for preventing from smelting desulphurization system milk of lime fouling |
| CN108636064A (en) * | 2018-06-01 | 2018-10-12 | 青海盐湖工业股份有限公司 | One kind is to containing HCl and MgCl2The method and system that is handled of exhaust gas |
-
2006
- 2006-05-19 CN CN 200620200449 patent/CN2899918Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101703882B (en) * | 2009-12-04 | 2012-02-08 | 河北科技大学 | A method for treating malodorous gas produced by wastewater in the pharmaceutical industry |
| CN107261799A (en) * | 2017-07-20 | 2017-10-20 | 湖南辰州矿业有限责任公司 | A kind of device and method for preventing from smelting desulphurization system milk of lime fouling |
| CN107261799B (en) * | 2017-07-20 | 2020-11-13 | 湖南辰州矿业有限责任公司 | Device and method for preventing lime milk of smelting desulfurization system from scaling |
| CN108636064A (en) * | 2018-06-01 | 2018-10-12 | 青海盐湖工业股份有限公司 | One kind is to containing HCl and MgCl2The method and system that is handled of exhaust gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUIYANG ALUMINIUM AND MAGNESIUM DESIGN INSTITUTE C Free format text: FORMER OWNER: GUIYANG ALUMINIUM AND MAGNESIUM DESIGN INST. Effective date: 20110524 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 550004 NO. 208, BEIJING ROAD, GUIYANG CITY, GUIZHOU PROVINCE TO: 550081 NO.2, JINZHU ROAD, JINYANG NEW DISTRICT, GUIYANG CITY, GUIZHOU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110524 Address after: 550081 Guiyang Province, Jinyang New District, Zhu Zhu Road, No. 2 Patentee after: Guiyang Aluminum & Magnesium Design Institute Co., Ltd. Address before: 550004 No. 208, Beijing Road, Guiyang, Guizhou Patentee before: Guiyang Aluminium and Magnesium Design Inst. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070516 |
|
| EXPY | Termination of patent right or utility model |