CN106477596B - A kind of ammonium acid fluoride wind-cooling crystallization synthesizer and technique - Google Patents
A kind of ammonium acid fluoride wind-cooling crystallization synthesizer and technique Download PDFInfo
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- CN106477596B CN106477596B CN201610817456.6A CN201610817456A CN106477596B CN 106477596 B CN106477596 B CN 106477596B CN 201610817456 A CN201610817456 A CN 201610817456A CN 106477596 B CN106477596 B CN 106477596B
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/16—Halides of ammonium
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Abstract
The present invention relates to a kind of ammonium acid fluoride wind-cooling crystallization synthesizer and techniques, including air cooling tower, bottom is equipped with air inlet in the air cooling tower, the air cooling tower inner top is equipped with filler Despumation device and spray equipment, air outlet is equipped at the top of the air cooling tower, the air outlet, filler Despumation device and spray equipment are set gradually from top to bottom, the spray equipment is connected with feed inlet and recycle feed mouth, the air-cooled tower bottom is additionally provided with circulation port, the circulation port is connect with recycle feed mouth by pipeline, the pipeline that the circulation port is connect with recycle feed mouth is equipped with pump；The configuration of the present invention is simple, while benefit is big, solves the problems such as current wet process design high pollution, high energy consumption, maximum discharge.
Description
Technical field
The present invention relates to a kind of ammonium acid fluoride wind-cooling crystallization synthesizer and techniques.
Background technique
In recent years, fluorine material is due to good property, such as fire resistance, strong alkali-acid resistance corrosion and excellent
Surface-active property is widely used in military project, chemical industry, the fields such as machinery, it has also become and it is with fastest developing speed in chemical industry, it is most high
The product of new technology content.
Ammonium acid fluoride is mainly used for the etching agent of the siliceous product of electronics industry, is also used for chemical reagent, fermentation industry disinfection
Agent, preservative, glass etching agent (are often used in combination with hydrofluoric acid), and the ammonium acid fluoride of high-purity is mainly used for IC design, with
And LED and photovoltaic industry.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of ammonium acid fluoride wind-cooling crystallization synthesizer and techniques, realize
Setting improves existing process units and method.
The technical scheme to solve the above technical problems is that
One aspect of the present invention provides a kind of ammonium acid fluoride wind-cooling crystallization synthesizer, including air cooling tower, the air cooling tower
Interior bottom is equipped with air inlet, and the air cooling tower inner top is equipped with filler Despumation device and spray equipment, sets at the top of the air cooling tower
There is air outlet, the air outlet, filler Despumation device and spray equipment are set gradually from top to bottom, and the spray equipment is connected with
Feed inlet and recycle feed mouth, the air-cooled tower bottom are additionally provided with circulation port, and the circulation port and recycle feed mouth pass through pipe
Road connection, the pipeline that the circulation port is connect with recycle feed mouth are equipped with pump.
Further, the air inlet is multiple, and is uniformly arranged in the bottom sidewall of air cooling tower.
Beneficial effect using above-mentioned further scheme is the more convenient and accurate sky for adjusting air velocity and entrance
Tolerance.
Further, the air inlet is equipped with PVC or PP net.
Beneficial effect using above-mentioned further scheme is to prevent the dust in air from entering, and pollutes Synthesis liquid.
Further, bottom is provided with the well word reinforcement being obliquely installed in the air cooling tower.
Beneficial effect using above-mentioned further scheme is to maintain the stabilization of air-cooled tower structure.
On the other hand, a kind of ammonium acid fluoride wind-cooling crystallization synthesis technology is provided.
Step S1: ammonium acid fluoride Synthesis liquid is imported into air cooling tower from feed inlet.
Step S2: persistently importing air from air inlet, persistently exports air from air outlet.
Step S3: ammonium acid fluoride Synthesis liquid is sprayed by spray equipment.
Step S4: air-cooled tower bottom is passed through into pump guiding recycle feed from circulation port through cooling ammonium acid fluoride Synthesis liquid
Mouthful.
Step S5: it is sprayed by spray equipment and is synthesized by the ammonium acid fluoride after cooling that guiding recycle feed mouth imports
Liquid.
Step S6: the ammonium acid fluoride crystallization in air derived from air outlet is collected.
Further, in the step S1 ammonium acid fluoride Synthesis liquid be pH be 1.0~4.0, specific gravity is 5.0~21.0 Baumes
The Synthesis liquid of degree, the liquefied ammonia that temperature is 65~95 DEG C and hydrofluoric acid.
Further, air inlet importing air makes wind flow 500L/h in air cooling tower in the step S2.
Beneficial effect using above-mentioned further scheme is to guarantee that ammonium acid fluoride crystallizes the efficiency to be formed.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of ammonium acid fluoride wind-cooling crystallization synthesizer.
Fig. 2 is a kind of ammonium acid fluoride wind-cooling crystallization synthesis process flow diagram.
In attached drawing, parts list represented by the reference numerals are as follows:
1. air cooling tower, 2. air inlets, 3. filler Despumation devices, 4. spray equipments, 5. air outlets, 6. feed inlets, 7. circulations
Feed inlet, 8. circulation ports, 9. well word reinforcements.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment 1, shown in Figure 1, the present invention provides a kind of ammonium acid fluoride wind-cooling crystallization synthesizer, including air cooling tower
1, bottom is equipped with air inlet 2 in the air cooling tower 1, and 1 inner top of air cooling tower is equipped with filler Despumation device 3 and spray equipment 4,
The filler Despumation device 3 is made of Pall ring, and air outlet 5, the air outlet 5, filler foam removal are equipped at the top of the air cooling tower 1
Device 3 and spray equipment 4 are set gradually from top to bottom, and the spray equipment 4 is connected with feed inlet 6 and recycle feed mouth 7, described
1 bottom of air cooling tower is additionally provided with circulation port 8, and the circulation port 8 is connect with recycle feed mouth 7 by pipeline, the circulation port 8 with
The pipeline that recycle feed mouth 7 connects is equipped with pump.
The air inlet 2 is multiple, and is uniformly arranged in the bottom sidewall of air cooling tower, more convenient and accurate tune
Save the air capacity of air velocity and entrance；It is equipped with PVC or PP net at the air inlet 2, prevents the dust in air from entering, pollutes
Synthesis liquid；Bottom is provided with the well word reinforcement 9 being obliquely installed in the air cooling tower 1, maintains the stabilization of 1 structure of air cooling tower.
Embodiment 2, it is shown in Figure 2, the present invention provides a kind of ammonium acid fluoride wind-cooling crystallization synthesis technology, including it is following
Step:
Step S1: ammonium acid fluoride Synthesis liquid is imported into air cooling tower from feed inlet；
Step S2: persistently importing air from air inlet, persistently exports air from air outlet；
Step S3: ammonium acid fluoride Synthesis liquid is sprayed by spray equipment；
Step S4: air-cooled tower bottom is passed through into pump guiding recycle feed from circulation port through cooling ammonium acid fluoride Synthesis liquid
Mouthful；
Step S5: it is sprayed by spray equipment and is synthesized by the ammonium acid fluoride after cooling that guiding recycle feed mouth imports
Liquid.
Step S6: the ammonium acid fluoride crystallization in air derived from air outlet is collected.
In the step S1 ammonium acid fluoride Synthesis liquid be pH be 1.0~4.0, specific gravity is 5.0~21.0 Baume degrees, temperature is
65~95 DEG C of liquefied ammonia and the Synthesis liquid of hydrofluoric acid；Air inlet 2, which imports air, in the step S2 makes wind flow in air cooling tower
500L/h。
A kind of ammonium acid fluoride wind-cooling crystallization synthesizer and process structure provided by the invention are simple, while benefit is big, solution
The problems such as current wet process of having determined designs high pollution, high energy consumption, maximum discharge.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of ammonium acid fluoride wind-cooling crystallization synthesizer, which is characterized in that including air cooling tower, bottom is equipped in the air cooling tower
Air inlet, the air cooling tower inner top are equipped with filler Despumation device and spray equipment, are equipped at the top of the air cooling tower for exporting
The air outlet of ammonium acid fluoride crystallization in air and air；Air is persistently imported from the air inlet, is held from the air outlet
Continuous export air, and collect the crystallization of the ammonium acid fluoride in air derived from the air outlet；The air outlet, filler Despumation device
It is set gradually from top to bottom with spray equipment, the spray equipment is connected with feed inlet and recycle feed mouth, the air cooling tower bottom
Portion is additionally provided with circulation port, and the circulation port is connect with recycle feed mouth by pipeline, and the circulation port and recycle feed mouth connect
The pipeline connect is equipped with pump.
2. a kind of ammonium acid fluoride wind-cooling crystallization synthesizer according to claim 1, which is characterized in that the air inlet is
It is multiple to be uniformly arranged in the bottom sidewall of air cooling tower.
3. a kind of ammonium acid fluoride wind-cooling crystallization synthesizer according to claim 1, which is characterized in that the air inlet
Equipped with PVC or PP net.
4. a kind of ammonium acid fluoride wind-cooling crystallization synthesizer according to claim 1, which is characterized in that in the air cooling tower
Bottom is provided with the well word reinforcement being obliquely installed.
5. a kind of ammonium acid fluoride wind-cooling crystallization synthesis technology, which is characterized in that using the fluorine as described in any one of Claims 1-4
Change hydrogen ammonium wind-cooling crystallization synthesizer and carry out technique, comprising the following steps:
Step S1: ammonium acid fluoride Synthesis liquid is imported into air cooling tower from feed inlet；
Step S2: persistently importing air from air inlet, persistently exports air from air outlet；
Step S3: ammonium acid fluoride Synthesis liquid is sprayed by spray equipment；
Step S4: air-cooled tower bottom is passed through into pump guiding recycle feed mouth from circulation port through cooling ammonium acid fluoride Synthesis liquid；
Step S5: the ammonium acid fluoride Synthesis liquid after cooling imported by guiding recycle feed mouth is sprayed by spray equipment；
Step S6: the ammonium acid fluoride crystallization in air derived from air outlet is collected.
6. a kind of ammonium acid fluoride wind-cooling crystallization synthesis technology according to claim 5, which is characterized in that in the step S1
Ammonium acid fluoride Synthesis liquid be pH be 1.0~4.0, specific gravity is 5.0~21.0 Baume degrees, the liquefied ammonia that temperature is 65~95 DEG C and hydrogen fluorine
The Synthesis liquid of acid.
7. a kind of ammonium acid fluoride wind-cooling crystallization synthesis technology according to claim 5, which is characterized in that in the step S2
Air inlet, which imports air, makes wind flow 500L/h in air cooling tower.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610817456.6A CN106477596B (en) | 2016-09-12 | 2016-09-12 | A kind of ammonium acid fluoride wind-cooling crystallization synthesizer and technique |
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| CN201610817456.6A CN106477596B (en) | 2016-09-12 | 2016-09-12 | A kind of ammonium acid fluoride wind-cooling crystallization synthesizer and technique |
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| CN106477596B true CN106477596B (en) | 2019-04-02 |
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| CN107879360B (en) * | 2017-12-19 | 2023-09-05 | 浙江朗泰环境工程有限公司 | Ammonium bifluoride mother liquor cooling system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201543264U (en) * | 2009-11-23 | 2010-08-11 | 岳阳市钾盐科学研究所 | Air cooling crystallization tower |
| CN102992362A (en) * | 2012-12-27 | 2013-03-27 | 青岛奥盖克化工股份有限公司 | Process for producing magnesium sulfate via air-cooling crystallization manner |
| CN204694103U (en) * | 2015-04-03 | 2015-10-07 | 东至天孚化工有限公司 | A kind of ammonium acid fluoride water cooling tower |
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2016
- 2016-09-12 CN CN201610817456.6A patent/CN106477596B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201543264U (en) * | 2009-11-23 | 2010-08-11 | 岳阳市钾盐科学研究所 | Air cooling crystallization tower |
| CN102992362A (en) * | 2012-12-27 | 2013-03-27 | 青岛奥盖克化工股份有限公司 | Process for producing magnesium sulfate via air-cooling crystallization manner |
| CN204694103U (en) * | 2015-04-03 | 2015-10-07 | 东至天孚化工有限公司 | A kind of ammonium acid fluoride water cooling tower |
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Address after: 067500 dongsanjia village, Pingquan Town, Pingquan City, Chengde City, Hebei Province Patentee after: Chengde Yingke Fine Chemical Co.,Ltd. Address before: 067500 dongsanjia village, Pingquan Town, Pingquan County, Chengde City, Hebei Province Patentee before: CHENGDE YINGKE FINE CHEMICAL CO.,LTD. |
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