CN105084316B - A kind of HF recovery systems - Google Patents
A kind of HF recovery systems Download PDFInfo
- Publication number
- CN105084316B CN105084316B CN201510503332.6A CN201510503332A CN105084316B CN 105084316 B CN105084316 B CN 105084316B CN 201510503332 A CN201510503332 A CN 201510503332A CN 105084316 B CN105084316 B CN 105084316B
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- CN
- China
- Prior art keywords
- acid
- bucket
- recovery
- recycled
- filter
- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims (5)
- A kind of 1. HF recovery systems, it is characterised in that including:For accommodating the bucket to be recycled of undressed acid solution to be recycled;It is connected by sour force (forcing) pump with the bucket to be recycled, for receiving acid solution to be recycled from sour force (forcing) pump and increasing pressure Make the acid fracturing filter of dialysis HF in acid solution to be recycled;For the recovery acid bucket for the discarded acid solution for receiving the non-HF exported in acid fracturing filter, for receiving what is exported in acid fracturing filter HF experiment gelled acid bucket, the recovery acid bucket and the experiment gelled acid bucket pass through the first air driven pump and the acid fracturing filter Connection;Pass through the second air driven pump and experiment gelled acid bucket, impurity for the filtering HF tube type filter membrance;The tube type filter membrance and the experiment gelled acid bucket are also connected by the first valve with the recovery acid bucket;It is fully sealed during the acid fracturing filter work;The material of the tube type filter membrance is PVDF, and PVDF external sheaths PVDF or PE;When carrying out HF recovery, by following process:1)The pending spent acid containing HF is first placed in bucket to be recycled;2)Pressure-increasing unit of the spent acid containing HF through peracid booster pump is into acid fracturing filter;3)Increase pressure in acid fracturing filter so that the separation of solid and liquid in spent acid, namely dialysis go out the HF of liquid and giving up for solid-state Slag;4)First air driven pump is opened, first causes liquid HF to flow to experiment gelled acid bucket, then causes waste residue to enter recovery acid bucket;5)After recovery acid bucket is handled waste residue, product is emitted into waste residue storage device;6)After being handled in the gelled acid bucket of laboratory HF concentrations, HF will be concentrated to be delivered to tubular type micro- by opening the second air driven pump Filter membrane is filtered, and obtains the HF of high-purity, and by the waste residue being filtrated to get again by the first Valved discharge of opening to recovery Sour bucket, and waste residue storage device is emitted into after being handled.
- 2. HF recovery systems according to claim 1, it is characterised in that the acid fracturing filter is by pneumatic diaphragm pump driving Plate and frame filter press.
- 3. HF recovery systems according to claim 1, it is characterised in that the tube type filter membrance is driven by pneumatic diaphragm pump.
- 4. HF recovery systems according to claim 1, it is characterised in that the experiment gelled acid bucket also by the second valve with The bucket connection to be recycled.
- 5. HF recovery systems according to claim 1, it is characterised in that the tube type filter membrance also passes through the 3rd valve and institute State bucket connection to be recycled.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510503332.6A CN105084316B (en) | 2015-08-17 | 2015-08-17 | A kind of HF recovery systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510503332.6A CN105084316B (en) | 2015-08-17 | 2015-08-17 | A kind of HF recovery systems |
Publications (2)
Publication Number | Publication Date |
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CN105084316A CN105084316A (en) | 2015-11-25 |
CN105084316B true CN105084316B (en) | 2018-02-09 |
Family
ID=54565774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510503332.6A Active CN105084316B (en) | 2015-08-17 | 2015-08-17 | A kind of HF recovery systems |
Country Status (1)
Country | Link |
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CN (1) | CN105084316B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107720698A (en) * | 2017-11-03 | 2018-02-23 | 深圳市纯水号水处理科技有限公司 | A kind of hydrofluoric acid recovery process |
CN108751133A (en) * | 2018-07-02 | 2018-11-06 | 北京宝迪华禹科技发展有限公司 | A kind of technology for efficiently removing silicon recycling hydrofluoric acid |
CN110468423B (en) * | 2019-08-07 | 2021-10-22 | 江苏斯德雷特通光光纤有限公司 | HF residual liquid recovery device of pickling equipment and use method |
CN111135616B (en) * | 2020-01-03 | 2020-10-16 | 第一环保(深圳)股份有限公司 | High-pressure double-diaphragm filter plate |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6191003A (en) * | 1984-10-06 | 1986-05-09 | Tokuyama Soda Co Ltd | Method of recovering hydrofluoric acid |
JPS62235218A (en) * | 1986-04-04 | 1987-10-15 | Unitika Ltd | Method for separating and recovering uranium and hydrofluoric acid |
JP2013123673A (en) * | 2011-12-14 | 2013-06-24 | Sasakura Engineering Co Ltd | Method for treating hydrofluoric acid wastewater |
CN102921227A (en) * | 2012-11-09 | 2013-02-13 | 大连山元机械制造有限公司 | Waste acid treatment device and waste acid treatment method |
CN204039181U (en) * | 2014-09-02 | 2014-12-24 | 南京大学环境规划设计研究院有限公司 | A kind of fluoride wastewater treatment and fluorine-containing sludge resource utilization system |
CN104192805B (en) * | 2014-10-10 | 2016-06-15 | 上海清瑞环保科技有限公司 | The process of Fluohydric acid. is recovered by filtration from etching machine production line |
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2015
- 2015-08-17 CN CN201510503332.6A patent/CN105084316B/en active Active
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Publication number | Publication date |
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CN105084316A (en) | 2015-11-25 |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: 518034, 9 floor, Sunshine Golf tower, No. 7008 Shennan Avenue, Shenzhen, Guangdong, Futian District Applicant after: Shenzhen first environmental protection Limited by Share Ltd Address before: 518034, 9 floor, Sunshine Golf tower, No. 7008 Shennan Avenue, Shenzhen, Guangdong, Futian District Applicant before: SHENZHEN HDN WATER TREATMENT EQUIPMENT CO., LTD. |
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COR | Change of bibliographic data | ||
CB02 | Change of applicant information |
Address after: 518034, 9 floor, Sunshine Golf tower, No. 7008 Shennan Avenue, Shenzhen, Guangdong, Futian District Applicant after: First, environmental protection (Shenzhen) Limited by Share Ltd Address before: 518034, 9 floor, Sunshine Golf tower, No. 7008 Shennan Avenue, Shenzhen, Guangdong, Futian District Applicant before: Shenzhen first environmental protection Limited by Share Ltd |
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COR | Change of bibliographic data | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder |
Address after: 518000, six, Guoxin Securities Building, 1012 Hongling Middle Road, Guiyuan Road, Luohu District, Shenzhen, Guangdong. Patentee after: First, environmental protection (Shenzhen) Limited by Share Ltd Address before: 518034, 9 floor, Sunshine Golf building, 7008 Shennan Road, Futian District, Shenzhen, Guangdong. Patentee before: First, environmental protection (Shenzhen) Limited by Share Ltd |
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CP02 | Change in the address of a patent holder |