CN105084316B - A kind of HF recovery systems - Google Patents
A kind of HF recovery systems Download PDFInfo
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- 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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- acid
- bucket
- recovery
- recycled
- filter
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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
The invention discloses a kind of HF recovery systems, 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, makes the acid fracturing filter of dialysis HF in acid solution to be recycled for receiving acid solution to be recycled from sour force (forcing) pump and increasing pressure；For the recovery acid bucket for the discarded acid solution for receiving the non-HF exported in acid fracturing filter, for receiving the HF exported in acid fracturing filter experiment gelled acid bucket, the recovery acid bucket and the experiment gelled acid bucket are connected by the first air driven pump with the acid fracturing filter；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.The HF recovery systems of the present invention can efficiently separate HF and waste residue in spent acid, reclaim the HF of high-purity, while improve recycling efficiency.
Description
Technical field
The present invention relates to material recycle technical field, more particularly to a kind of HF recovery systems.
Background technology
There is HF（That is hydrofluoric acid）In the industry used, discarded HF, its concentration are produced by inevitable after HF uses
High or low, these discarded HF are then danger wastes, if directly discharge will cause greatly to pollute to environment.If will be useless
The HF abandoned delivers to Sewage Disposal and handled, and on the one hand can produce processing cost cost, and on the other hand processing spent acid is produced
Raw waste residue also needs to do after-treatment, substantially increases processing cost, reduces treatment effeciency.
In the prior art, separation of solid and liquid typically is carried out to spent acid using bag filter or using plate and frame filter press, this
If kind of a technique normal operation can reach preliminary treatment effect, but its defect is as follows：First, filtering accuracy is not high, influence to reclaim HF
Reuse effect；If second, there is filter bag or filter screen breakage, the particulate matter in spent acid directly pollutes later collection equipment, even
Pollution uses equipment.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of HF recovery systems, it is intended to solves existing
Have by bag filter in technology or not high, and the filter bag that carries out separation of solid and liquid filtering accuracy to spent acid using plate and frame filter press
Or the easy contaminated equipment of particulate matter after filter screen breakage in spent acid, and HF recycles the defects of cost is high, and efficiency is low.
Technical scheme is as follows：
A kind of HF recovery systems, wherein, 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 makes the acid fracturing filter of dialysis HF in acid solution to be recycled；
It is defeated in acid fracturing filter for receiving for the recovery acid bucket for the discarded acid solution for receiving the non-HF exported in acid fracturing filter
The HF gone out 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 connects；
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.
The HF recovery systems, wherein, the acid fracturing filter is the plate and frame filter press driven by pneumatic diaphragm pump.
The HF recovery systems, wherein, the material of the tube type filter membrance is PVDF, and PVDF external sheaths PVDF or
PE。
The HF recovery systems, wherein, the tube type filter membrance is driven by pneumatic diaphragm pump.
The HF recovery systems, wherein, the experiment gelled acid bucket is also connected by the second valve with the bucket to be recycled.
The HF recovery systems, wherein, the tube type filter membrance is also connected by the 3rd valve with the bucket to be recycled.
HF recovery systems provided by the present invention, 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, makes to treat for receiving acid solution to be recycled from sour force (forcing) pump and increasing pressure
Reclaim the acid fracturing filter of dialysis HF in acid solution；For the recovery acid bucket for the discarded acid solution for receiving the non-HF exported in acid fracturing filter,
For receiving the HF exported in acid fracturing filter experiment gelled acid bucket, the recovery acid bucket and the experiment gelled acid bucket pass through
First air driven pump is connected with the acid fracturing filter；By the second air driven pump with it is described experiment gelled acid bucket, for filtering HF's
The tube type filter membrance of impurity；The tube type filter membrance and the experiment gelled acid bucket also pass through the first valve and the recovery acid
Bucket connection.The HF recovery systems of the present invention can efficiently separate HF and waste residue in spent acid, reclaim the HF of high-purity, improve simultaneously
Recycle efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of heretofore described HF recovery systems preferred embodiment.
Embodiment
The present invention provides a kind of HF recovery systems, to make the purpose of the present invention, technical scheme and effect clearer, bright
Really, referring to the drawings and give an actual example that the present invention is described in more detail.It should be appreciated that specific embodiment described herein
Only to explain the present invention, it is not intended to limit the present invention.
As shown in figure 1, HF recovery systems provided by the invention, including：
For accommodating the bucket to be recycled 10 of undressed acid solution to be recycled；
Be connected by sour force (forcing) pump 20 with the bucket 10 to be recycled, for received from sour force (forcing) pump 20 acid solution to be recycled,
And increase pressure and make the acid fracturing filter 30 of dialysis HF in acid solution to be recycled；
For the recovery acid bucket 40 for the discarded acid solution for receiving the non-HF exported in acid fracturing filter 30, for receiving acid fracturing filter
The HF exported in 30 experiment gelled acid bucket 50, the recovery acid bucket 40 and the experiment gelled acid bucket 50 are pneumatic by first
Pump 61 is connected with the acid fracturing filter；
The tube type filter membrance of impurity be connected by the second air driven pump 62 with the experiment gelled acid bucket, for filtering HF
70；
The tube type filter membrance 70 and the experiment gelled acid bucket 50 also pass through the first valve 81 and the recovery acid bucket 40
Connection.
In embodiments of the invention, when carrying out HF recovery, by following process：
1）The spent acid containing HF of tape handling is first placed in bucket 10 to be recycled；
2）Pressure-increasing unit of the spent acid containing HF through peracid booster pump 20 is into acid fracturing filter 30；
3）Increase pressure in acid fracturing filter 30 so that the separation of solid and liquid in spent acid, namely dialysis go out the HF of liquid and consolidated
The waste residue of state；
4）First air driven pump 61 is opened, first causes liquid HF to flow to experiment gelled acid bucket 50, then waste residue is entered
Recovery acid bucket 40；
5）After 40 pairs of waste residues of recovery acid bucket are handled, product is emitted into waste residue storage device；
6）After being handled in laboratory gelled acid bucket 50 HF concentrations, opening the second air driven pump 62 will concentration HF conveying
Filtered to tube type filter membrance 70, obtain the HF of high-purity, and the waste residue being filtrated to get is led to again and opens the first valve 81
Recovery acid bucket 40 is emitted into, and waste residue storage device is emitted into after being handled.
It can be seen that HF recovery systems of the invention, effectively separate HF and waste residue, the high-purity of recoverable is extracted
HF, and avoid the waste residue containing contaminated equipment in HF.Meanwhile also improve the efficiency of recycling.
Further, the acid fracturing filter 30 is the plate and frame filter press driven by pneumatic diaphragm pump.It is when it is implemented, described
Acid fracturing filter 30 need to be fully sealed, and corrosion-resistant.
Further, the material of the tube type filter membrance 70 is PVDF, and PVDF external sheath PVDF or PE, and the pipe
The filter membrane 70 that declines is driven by pneumatic diaphragm pump.
Further, the experiment gelled acid bucket 50 is also connected by the second valve 82 with the bucket 10 to be recycled；It is described
Tube type filter membrance 70 is also connected by the 3rd valve 83 with the bucket 10 to be recycled.
In summary, HF recovery systems provided by the present invention, including for accommodating undressed acid solution to be recycled
Bucket 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 makes the acid fracturing filter of dialysis HF in acid solution to be recycled；For time for the discarded acid solution for receiving the non-HF exported in acid fracturing filter
Sour bucket is received, for receiving the HF exported in acid fracturing filter experiment gelled acid bucket, the recovery acid bucket and the experiment gelled acid
Bucket is connected by the first air driven pump with the acid fracturing filter；By the second air driven pump with it is described experiment gelled acid bucket, be used for
Filter the tube type filter membrance of HF impurity；The tube type filter membrance and the experiment gelled acid bucket also pass through the first valve and institute
State the connection of recovery acid bucket.The HF recovery systems of the present invention can efficiently separate HF and waste residue in spent acid, reclaim the HF of high-purity, together
When improve recycling efficiency.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, wanted for example, all these modifications and variations should all belong to right appended by the present invention
The protection domain asked.
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 |
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| CN105084316A CN105084316A (en) | 2015-11-25 |
| CN105084316B true CN105084316B (en) | 2018-02-09 |
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Families Citing this family (5)
| 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 |
| CN111959965A (en) * | 2020-08-13 | 2020-11-20 | 迪缇艾斯(杭州)创意科技有限公司 | A soup storage material distribution bucket |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6191003A (en) * | 1984-10-06 | 1986-05-09 | Tokuyama Soda Co Ltd | Hydrofluoric acid recovery method |
| 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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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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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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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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