CN104645763A - Method for treating waste gas produced by indium refining - Google Patents
Method for treating waste gas produced by indium refining Download PDFInfo
- Publication number
- CN104645763A CN104645763A CN201410167434.0A CN201410167434A CN104645763A CN 104645763 A CN104645763 A CN 104645763A CN 201410167434 A CN201410167434 A CN 201410167434A CN 104645763 A CN104645763 A CN 104645763A
- Authority
- CN
- China
- Prior art keywords
- gas
- indium
- waste gas
- refinery
- spray scrubber
- 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.)
- Granted
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention discloses a method for treating waste gas produced by indium refining, and relates to the technical field of waste gas treatment. A device for treating the waste gas produced by indium refining is used by the method; the method comprises the steps of A. collecting waste gas to be treated by suction hoods arranged above a plurality of pot bodies; B. inputting the collected waste gas to be treated into a filter through an exhaust pipe, and carrying out adsorption treatment on the waste gas by filter material in the filter; C. carrying out spray washing treatment and cooling treatment on the gas subjected to adsorption treatment by a water solution in a primary spray washing tower; D. carrying out activated carbon adsorption treatment on the washed and cooled gas by activated carbon in an activated carbon adsorption tower; and E. carrying out spray washing treatment on the gas which is adsorbed by the activated carbon by washing liquid in a secondary spray washing tower to complete the treatment for the waste gas produced by indium refining. Compared with the prior art, the method is capable of absorbing the waste gas produced in the indium refining process, and the treated gas is in accordance with the relevant regulation of emission in China and can be directly discharged into the atmosphere.
Description
Technical field
The present invention relates to waste gas pollution control and treatment technical field, especially a kind of for the administering method producing waste gas in indium refining process.
Background technology
Indium refining is one of important step of indium ingot ingot casting production, and smart indium refining is the process of being carried out by low-purity finished product indium purifying; By electrolysis low-purity finished product indium is out placed in the pot body of molten indium pot, add the organic solvents such as glycerine, KI, sal-ammoniac and inolrganic chemicals and finished product indium and carry out refining, make indium in the molten state with cast highly purified indium ingot after magazins' layout; But indium is in molten indium pot heating refining process, the waste gas be made up of gas and vapor permeation such as glycerine, iodine vapor, hydrogen chloride and ammonias in a large number can be produced, the current governance approach to indium refining generation waste gas on the factory building wall laying multiple molten indium pot, installs the exhaust duct being provided with air exhauster, by exhaust duct directly to outer discharging waste gas.Due to by waste gas directly to outer discharge, these waste gas volatilize in atmosphere disperse produce foul odour, not only can endanger the health of operator, also can cause severe contamination to environment.
Summary of the invention
The object of this invention is to provide a kind of indium refinery-off gas administering method, to solve in existing indium refining process directly to the problem of outer discharging waste gas to environment.
In order to solve the problem, the technical solution used in the present invention is: a kind of indium refinery-off gas administering method, use a kind of indium refinery-off gas controlling device, this indium refinery-off gas controlling device includes the multiple molten indium pot and the exhaust duct that are provided with pot body, an air-suction cover be communicated with described exhaust duct is equipped with above multiple described pot body, described exhaust duct is connected with by the air inlet of filter with one-level spray scrubber, the described gas outlet of one-level spray scrubber is connected with the air inlet of activated carbon adsorber, the gas outlet of described activated carbon adsorber is connected by the air inlet of centrifugal blower with secondary spray scrubber,
Operating procedure comprises:
A, collect pending waste gas by the described air-suction cover be located at above multiple described pot body;
B, inputting described filter by collecting pending waste gas by described exhaust duct, using the filtering material in described filter to carry out adsorption treatment to waste gas;
C, use the aqueous solution in described one-level spray scrubber to the gas completing adsorption treatment carry out spray washing process and cooling process;
D, use the active carbon in described activated carbon adsorber to washing cooling after gas carry out charcoal absorption process;
E, the cleaning solution in described secondary spray scrubber is used to carry out to the gas completing charcoal absorption process the improvement that namely spray washing process completes indium refinery-off gas.
In technique scheme, technical scheme is more specifically: the described filtering material in step B is non-woven fabrics of synthetic fiber; The sodium hydroxide solution of to be concentration the be 0.25mol/L ~ 1.25mol/L of the described cleaning solution in E step.
Further, the described one-level spray scrubber in described indium refinery-off gas controlling device and described secondary spray scrubber include cylindrical shell and are located at the liquid reserve tank of described cylinder body bottom; Described cylindrical shell is divided into upper spray chamber and lower spray chamber by the baffle for separating with through hole, the shower tray be communicated with successively by water pipe is equipped with on the top of each spray chamber, the below of the described shower tray in each spray chamber is equipped with adsorption stuffing, and the described shower tray be communicated with successively by water pipe is communicated with described liquid reserve tank by water pump; The air inlet of described one-level spray scrubber and described secondary spray scrubber is all located at the top of described liquid reserve tank, and the gas outlet of described one-level spray scrubber and described secondary spray scrubber is all located at the top of described cylindrical shell.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect: administer the waste gas that indium refining process produces owing to employing a kind of indium refinery-off gas controlling device of crossing at indium refining process, first the waste gas that molten refining produces is collected, by filter, the waste gas of collection is carried out adsorption treatment successively and remove flue dust and water smoke, by the aqueous solution of one-level spray scrubber, EGT is reduced to gas shower washing, the stench in waste gas is removed by activated carbon adsorber adsorption treatment, the odor molecules of poisoning, by the washing of secondary spray scrubber washing agent, the malodorous elements in waste gas gas phase is transferred to liquid phase, wherein concentration is that the washing agent of the sodium hydroxide solution of 0.25mol/L ~ 1.25mol/L and malodorous elements occur to neutralize and chemical reaction removes stench smell substance in waste gas, gas after improvement meets the relevant regulations of country's discharge, can directly be discharged in air, eliminates waste gas pollution on the environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the structural representation of one-level spray scrubber of the present invention.
Fig. 3 is the structural representation of secondary spray scrubber of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the invention will be further described:
Embodiment 1:
A kind of indium refinery-off gas administering method, use indium refinery-off gas controlling device as shown in Figure 1, this indium refinery-off gas controlling device includes molten indium pot and the exhaust duct 3 that three are provided with pot body 1, the present embodiment is equipped with an air-suction cover 2 be communicated with exhaust duct 3 by pipeline above three molten indium pot pot bodies 1, exhaust duct 3 is connected by the air inlet 401 of pipe-and-filter 4, the gas outlet 402 of filter 4 is connected with the air inlet 501 of one-level spray scrubber 5 by pipeline, the gas outlet 502 of one-level spray scrubber 5 is connected with the air inlet 701 of activated carbon adsorber 7 by pipeline, the gas outlet 702 of activated carbon adsorber 7 is connected with the air inlet 901 of secondary spray scrubber 9 by centrifugal blower 8, volume damper 6 is connected with by pipeline between activated carbon adsorber 4 and the air inlet 901 of secondary spray scrubber 9, the aperture of control valve 6 is regulated according to the condition of production of molten indium pot.The liquid reserve tank 505 that one-level spray scrubber 5 as shown in Figure 2 includes cylindrical shell 506 and is contained in bottom cylindrical shell 506, fills the aqueous solution that scrubbing exhaust gas is used in liquid reserve tank 505; Cylindrical shell 506 is divided into upper spray chamber and lower spray chamber by two pieces of dividing plates 511 with multiple through hole respectively, the upper shower tray 510 and lower shower tray 508 that are communicated with successively by water pipe are housed respectively on upper spray chamber and the top of lower spray chamber, below the upper shower tray 510 in upper spray chamber and in lower spray chamber and below lower shower tray 508, all adsorption stuffing are housed; The upper shower tray 510 be communicated with successively by water pipe is communicated with water pump 12 by the water pipe be communicated with water inlet 503 with lower shower tray 508, and water pump 12 is communicated with the delivery port 504 of liquid reserve tank 505 by water pipe; The air inlet 501 of one-level spray scrubber is arranged on the top of liquid reserve tank 505, and the gas outlet 502 of one-level spray scrubber is arranged on the top of cylindrical shell 506.
The liquid reserve tank 905 that secondary spray scrubber 9 as shown in Figure 3 includes cylindrical shell 906 and is contained in bottom cylindrical shell 906, fills the NaOH washing liquid that scrubbing exhaust gas is used in liquid reserve tank 905; Cylindrical shell 906 is divided into upper spray chamber and lower spray chamber by two pieces of dividing plates 911 with multiple through hole respectively, the upper shower tray 910 and lower shower tray 908 that are communicated with successively by water pipe are housed respectively on upper spray chamber and the top of lower spray chamber, below the upper shower tray 910 in upper spray chamber and in lower spray chamber and below lower shower tray 908, all adsorption stuffing are housed; The upper shower tray 910 be communicated with successively by water pipe is communicated with water pump 10 by the water pipe be communicated with water inlet 903 with lower shower tray 908, water pump 10 is communicated with the delivery port 904 of liquid reserve tank 905 by water pipe, the sodium hydroxide solution of to be concentration the be 0.25mol/L of the washing agent in liquid reserve tank 905; The air inlet 901 of secondary spray scrubber is arranged on the top of liquid reserve tank 905, and the gas outlet 902 of secondary spray scrubber is arranged on the top of cylindrical shell 906.
Indium refinery-off gas is administered operating procedure and is comprised:
A, collect pending waste gas by the air-suction cover 2 be contained in above three pot bodies 1;
B, will collect pending waste gas by exhaust duct 3 input filter 4, use the filtering material in filter 4 to carry out adsorption treatment to waste gas, the filtering material of the present embodiment is non-woven fabrics of synthetic fiber;
The aqueous solution in C, use one-level spray scrubber 5 carries out spray washing process and cooling process to the gas completing adsorption treatment;
Active carbon in D, use activated carbon adsorber 7 carries out charcoal absorption process to the gas after washing cooling;
The sodium hydroxide solution that concentration in E, use secondary spray scrubber 5 is 0.25mol/L carries out to the gas completing charcoal absorption process the improvement that namely spray washing process completes indium refinery-off gas.
Embodiment 2:
The sodium hydroxide solution of to be concentration the be 0.25mol/L of the washing agent in liquid reserve tank 905; Other features are identical with embodiment 1.
Indium refinery-off gas is administered operating procedure and is comprised:
A, collect pending waste gas by the air-suction cover 2 be contained in above three pot bodies 1;
B, will collect pending waste gas by exhaust duct 3 input filter 4, use the filtering material in filter 4 to carry out adsorption treatment to waste gas, the filtering material of the present embodiment is non-woven fabrics of synthetic fiber;
The aqueous solution in C, use one-level spray scrubber 5 carries out spray washing process and cooling process to the gas completing adsorption treatment;
Active carbon in D, use activated carbon adsorber 7 carries out charcoal absorption process to the gas after washing cooling;
The sodium hydroxide solution that concentration in E, use secondary spray scrubber 9 is 0.25mol/L carries out to the gas completing charcoal absorption process the improvement that namely spray washing process completes indium refinery-off gas.
Claims (3)
1. an indium refinery-off gas administering method, is characterized in that:
Use a kind of indium refinery-off gas controlling device, this indium refinery-off gas controlling device includes the multiple molten indium pot and the exhaust duct (3) that are provided with a pot body (1), an air-suction cover (2) be communicated with described exhaust duct (3) is equipped with in the top of multiple described pot body (1), described exhaust duct (3) is connected with by the air inlet of filter (4) with one-level spray scrubber (5), the gas outlet of described one-level spray scrubber (5) is connected with the air inlet of activated carbon adsorber (7), the gas outlet of described activated carbon adsorber (7) is connected by the air inlet of centrifugal blower (8) with secondary spray scrubber (9),
Operating procedure comprises:
A, collect pending waste gas by the described air-suction cover (2) being located at multiple described pot body (1) top;
B, inputting described filter (4) by collecting pending waste gas by described exhaust duct (3), using the filtering material in described filter (4) to carry out adsorption treatment to waste gas;
C, use the aqueous solution in described one-level spray scrubber (5) to the gas completing adsorption treatment carry out spray washing process and cooling process;
D, use the active carbon in described activated carbon adsorber (7) to washing cooling after gas carry out charcoal absorption process;
E, the cleaning solution in described secondary spray scrubber (5) is used to carry out to the gas completing charcoal absorption process the improvement that namely spray washing process completes indium refinery-off gas.
2. according to claim 1 at indium refinery-off gas administering method, it is characterized in that: the described filtering material in step B is non-woven fabrics of synthetic fiber; The sodium hydroxide solution of to be concentration the be 0.25mol/L ~ 1.25mol/L of the described cleaning solution in E step.
3. according to claim 1 at indium refinery-off gas administering method, it is characterized in that: the described one-level spray scrubber in described indium refinery-off gas controlling device and described secondary spray scrubber include cylindrical shell and be located at the liquid reserve tank of described cylinder body bottom; Described cylindrical shell is divided into upper spray chamber and lower spray chamber by the baffle for separating with through hole, the shower tray be communicated with successively by water pipe is equipped with on the top of each spray chamber, the below of the described shower tray in each spray chamber is equipped with adsorption stuffing, and the described shower tray be communicated with successively by water pipe is communicated with described liquid reserve tank by water pump; The air inlet of described one-level spray scrubber and described secondary spray scrubber is all located at the top of described liquid reserve tank, and the gas outlet of described one-level spray scrubber and described secondary spray scrubber is all located at the top of described cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410167434.0A CN104645763B (en) | 2014-04-24 | 2014-04-24 | Indium refinery-off gas administering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410167434.0A CN104645763B (en) | 2014-04-24 | 2014-04-24 | Indium refinery-off gas administering method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104645763A true CN104645763A (en) | 2015-05-27 |
| CN104645763B CN104645763B (en) | 2017-04-05 |
Family
ID=53237704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410167434.0A Active CN104645763B (en) | 2014-04-24 | 2014-04-24 | Indium refinery-off gas administering method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104645763B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169894A (en) * | 2015-07-21 | 2015-12-23 | 天津霍普环保科技有限公司 | Sulfur-containing exhaust gas disposal system |
| CN108355459A (en) * | 2017-12-08 | 2018-08-03 | 中国电子科技集团公司第十三研究所 | The processing unit of gas soot dust granule tail gas |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0848640B1 (en) * | 1995-09-07 | 1999-03-31 | AUSTRIAN ENERGY & ENVIRONMENT SGP/WAAGNER-BIRO GmbH | Process and device for scrubbing acidic gases |
| CN202224049U (en) * | 2011-09-15 | 2012-05-23 | 常州天兴环保科技有限公司 | Acid and hydrocarbon mixed waste gas treatment equipment |
| CN202538579U (en) * | 2012-03-09 | 2012-11-21 | 贝格工业涂料（广州）有限公司 | Industrial coating waste gas treatment system |
| CN202683025U (en) * | 2012-06-04 | 2013-01-23 | 遵化市北方锅炉有限公司 | Garbage incineration flue gas purification device |
| CN203139853U (en) * | 2013-01-31 | 2013-08-21 | 绍兴新宇环保设备有限公司 | Water spray purification tower |
-
2014
- 2014-04-24 CN CN201410167434.0A patent/CN104645763B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0848640B1 (en) * | 1995-09-07 | 1999-03-31 | AUSTRIAN ENERGY & ENVIRONMENT SGP/WAAGNER-BIRO GmbH | Process and device for scrubbing acidic gases |
| CN202224049U (en) * | 2011-09-15 | 2012-05-23 | 常州天兴环保科技有限公司 | Acid and hydrocarbon mixed waste gas treatment equipment |
| CN202538579U (en) * | 2012-03-09 | 2012-11-21 | 贝格工业涂料（广州）有限公司 | Industrial coating waste gas treatment system |
| CN202683025U (en) * | 2012-06-04 | 2013-01-23 | 遵化市北方锅炉有限公司 | Garbage incineration flue gas purification device |
| CN203139853U (en) * | 2013-01-31 | 2013-08-21 | 绍兴新宇环保设备有限公司 | Water spray purification tower |
Non-Patent Citations (1)
| Title |
|---|
| 何长顺等编著: "《突发性环境污染事故应急处置手册》", 30 April 2011, article "第十七节 铟冶炼工艺环境污染事故及应急" * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169894A (en) * | 2015-07-21 | 2015-12-23 | 天津霍普环保科技有限公司 | Sulfur-containing exhaust gas disposal system |
| CN108355459A (en) * | 2017-12-08 | 2018-08-03 | 中国电子科技集团公司第十三研究所 | The processing unit of gas soot dust granule tail gas |
| CN108355459B (en) * | 2017-12-08 | 2024-05-03 | 中国电子科技集团公司第十三研究所 | Treatment device for tail gas of gas smoke dust particles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104645763B (en) | 2017-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206746314U (en) | A kind of foul gas processing unit | |
| CN202893157U (en) | Movable waste gas collecting and treating device | |
| CN204395758U (en) | The waste gas treatment device of a kind of VOCs | |
| CN202224049U (en) | Acid and hydrocarbon mixed waste gas treatment equipment | |
| CN206793295U (en) | A kind of industrial mix waste gas processing equipment | |
| CN105582804B (en) | A kind of organic exhaust gas biological treatment reactor and its application method | |
| CN204816223U (en) | Industrial waste gas purifies drying device | |
| CN104645763A (en) | Method for treating waste gas produced by indium refining | |
| CN211358269U (en) | Kitchen garbage leachate odour removal device | |
| CN206535372U (en) | New waste gas filtration and adsorption treatment device | |
| CN211025674U (en) | Exhaust emission device for printing and dyeing | |
| CN204429042U (en) | A kind of active carbon inhales circulated sprinkling air peculiar smell scavenge unit | |
| CN211753956U (en) | Ozone catalytic tower for treating industrial waste gas | |
| CN210079234U (en) | Deodorization equipment for garbage disposal | |
| CN205570096U (en) | Circulation exhaust -gas treatment equipment | |
| CN203842490U (en) | Indium refining waste gas treatment device | |
| CN105413419B (en) | Refuse landfill odor treating device | |
| CN205095624U (en) | Low concentration waste gas pollution control and treatment and deodorization system | |
| CN210993566U (en) | Water smoke oil smoke air purifier | |
| CN107551786A (en) | A kind of deodorization treatment device for exhaust | |
| CN208694662U (en) | A kind of photooxidation catalytic waste gas processing unit | |
| CN207928933U (en) | A kind of non-woven fabric production equipment emission-control equipment | |
| CN204261548U (en) | Poultry farms waste gas photocatalysis treatment device | |
| CN206715663U (en) | A kind of environmentally friendly exhaust gas processing device for factory of painting | |
| CN205235730U (en) | Landfill odor treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210928 Address after: 510700 public space office card booth B030 of youth home innovation and entrepreneurship incubation base, unit 1004, No. 182, science Avenue, Huangpu District, Guangzhou, Guangdong Province Patentee after: Guangzhou Hanpu Technology Co.,Ltd. Address before: 545212 No.1 Jian'an Road, Liutang Industrial Zone, Liutang Town, Liucheng County, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI YINTAI TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221117 Address after: 510670 room 229, annex building, No. 111, Kexue Avenue, Huangpu District, Guangzhou City, Guangdong Province (office only) Patentee after: Hanwa Technology Co.,Ltd. Address before: 510700 public space office card booth B030 of youth home innovation and entrepreneurship incubation base, unit 1004, No. 182, science Avenue, Huangpu District, Guangzhou, Guangdong Province Patentee before: Guangzhou Hanpu Technology Co.,Ltd. |