CN208642244U - Boron chloride exhaust gas processing device - Google Patents
Boron chloride exhaust gas processing device Download PDFInfo
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- CN208642244U CN208642244U CN201821137383.7U CN201821137383U CN208642244U CN 208642244 U CN208642244 U CN 208642244U CN 201821137383 U CN201821137383 U CN 201821137383U CN 208642244 U CN208642244 U CN 208642244U
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Abstract
The utility model discloses a kind of boron chloride exhaust gas processing devices, belong to boron chloride tail gas disposal technique field.Including water wash system, air supply system, Venturi tube and induced draught system；The water wash system includes the buffering water scrubber, one-stage water wash tower and second level water scrubber being sequentially connected in series, the buffering water scrubber, the one-stage water wash tower, second level washing tower bottom are equipped with the water tank communicated therewith, and buffering water scrubber, one-stage water wash tower are additionally provided with the circulation pipe and circulating pump for being connected to upper part with the water tank on second level water scrubber；The air supply system includes sequentially connected filter, air compressor machine, drier and gas surge tank, and the gas buffer tank is connected to by pipeline with Venturi tube；The induced draught system includes gas-liquid separator and air-introduced machine, and gas-liquid separator at the top of pipeline and second level water scrubber by being connected to.Installation Venturi tube is avoided blocking and be liquefied, and use is three tower cascade connected, makes to absorb thoroughly, and safety high reliablity.
Description
Technical field
The utility model relates to a kind of boron chloride exhaust gas processing devices, belong to boron chloride tail gas disposal technique field.
Background technique
It in the factory of purifying or production plant's boron chloride, needs to handle boron chloride tail gas, handle
Process has following features:
1, the amount of tail gas boron chloride is generally relatively more a large amount of, and concentration is higher.
2, boron chloride is easy to react generation hydrochloric acid with the moisture content in air and boric acid, boric acid belong to solid acid, blocks
Pipeline.
3 and BCl3With the product Na after alkaline reaction2B4O7Solubility in water only has 32g/L, in addition generates
Product Na2B4O7It is very easy to blocking pipeline.
4, the boiling point of boron chloride only has 12.5 °, and heat of gasification is small, it is easy to liquefy.
Summary of the invention
Technical problem to be solved by the utility model is to provide a kind of boron chloride exhaust gas processing devices, it is solved
Liquefaction is easy when boron chloride vent gas treatment, generating solid product with the reaction of moisture in pipeline leads to asking for line clogging
Topic.
Technical problem to be solved in the utility model takes following technical scheme to realize:
Boron chloride exhaust gas processing device, including water wash system, air supply system, Venturi tube and induced draught system；
The water wash system includes the buffering water scrubber, one-stage water wash tower and second level water scrubber being sequentially connected in series, the buffering
Water scrubber, the one-stage water wash tower, second level washing tower bottom are equipped with the water tank communicated therewith, buffer water scrubber, level-one
The circulation pipe and circulating pump for being connected to upper part with the water tank, one-stage water wash tower, two are additionally provided on water scrubber, second level water scrubber
Hollow sphere filler is filled in grade water scrubber, buffering washing top of tower is connected to by pipeline with one-stage water wash tower bottom, level-one
Tower bottom is washed with second level by pipeline at the top of water scrubber to be connected to；
Described Venturi tube one end is connected to tail gas and enters pipe, and the other end is connected to buffering washing tower bottom；
The air supply system includes sequentially connected filter, air compressor machine, drier and gas surge tank, the gas
Body surge tank is connected to by pipeline with Venturi tube；
The induced draught system includes gas-liquid separator and the air-introduced machine that connect with the gas-liquid separator, and gas-liquid separator is logical
It is connected at the top of piping and second level water scrubber.
By using above-mentioned technical proposal, this programme is had a characteristic that
It reduces blocking: venturi is installed at the inlet port of boron chloride, dilute boron chloride, and increase pipeline flow, use
Dry air is blown into a small amount of solid boric acid in water scrubber, prevents blocking pipeline.Purge gass use dry air, further
Reduce the generation of solid boric acid.
It avoids the liquefaction of boron chloride: taking out discharge tube by the way of venturi, avoid boron chloride in delivery pipe
Liquefaction in road, and the driver using dry air as venturi, reduce cost.
Absorb thoroughly and reduce blocking: the present apparatus is by the way of three tower cascade connected, and tempering tower is that void tower avoids blocking, level-one
Plastic hollow ball filler is loaded in water scrubber, second level water scrubber and increases reaction contact area, to react thorough.
The pressure drop for reducing water scrubber, facilitates operation: in water scrubber operation, the pressure drop of water scrubber influences whether the fortune of technique
Row, increases operation difficulty, and the present apparatus, in outlet end air inducing, is reduced the pressure drop of water column in three water scrubbers, made using air-introduced machine
Operation difficulty reduce.
Safety high reliablity: the mode that the present apparatus had both been vacuumized in the Venturi tube of front end installation to discharge tube is kept away
The water column for having exempted to generate when the operating of water scrubber builds the pressure to discharge tube, has an impact to technique.Increase air inducing in rear end again
Machine further decreases pressure drop, and the influence to technique further decreases.By the way of totally-enclosed and three tower cascade connected, absorb completely,
It is highly-safe.
As preferred embodiment, the water tank bottom is additionally provided with sedimentation basin, and precipitating bottom of pond portion is equipped with blowdown valve.
As preferred embodiment, the tail gas, which enters, is additionally provided with valve on pipe.
As preferred embodiment, flowmeter is additionally provided on the pipeline that the air cushion tank is connected to the Venturi tube.
The beneficial effects of the utility model are: installation Venturi tube is avoided blocking and be liquefied, use is three tower cascade connected, makes to absorb
Thoroughly, and safety high reliablity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: Venturi tube 1 buffers water scrubber 2, one-stage water wash tower 3, second level water scrubber 4, water tank 5, circulation pipe 6, circulation
Pump 7, hollow sphere filler 8, tail gas enters pipe 9, filter 10, air compressor machine 11, drier 12, gas buffer tank 13, gas-liquid separation
Device 14, air-introduced machine 15, sedimentation basin 16, blowdown valve 17, valve 18, flowmeter 19.
Specific embodiment
In order to which the technical means, creative features, achievable purpose and effectiveness to the utility model are easy to understand, tie below
Conjunction is specifically illustrating, and the utility model is further described.
As shown in Figure 1, boron chloride exhaust gas processing device, including water wash system, air supply system, 1 and of Venturi tube
Induced draught system；
The water wash system includes the buffering water scrubber 2, one-stage water wash tower 3 and second level water scrubber 4 being sequentially connected in series, described slow
It rushes 2 bottom of water scrubber and is equipped with the water tank 5 communicated therewith, 3 bottom of one-stage water wash tower is equipped with the water tank 5 communicated therewith, described
4 bottom of second level water scrubber is equipped with the water tank 5 that communicates therewith, and buffering water scrubber 2, one-stage water wash tower 3 are also set on second level water scrubber 4
There are the circulation pipe 6 and circulating pump 7 for being connected to upper part with the water tank 5, circulation pipe 6 protrudes into water scrubber, by the liquid in water tank 5
Body is sprayed in tower, and hollow sphere filler 8 is filled in one-stage water wash tower 3, second level water scrubber 4, is buffered and is passed through at the top of water scrubber 2
Pipeline is connected to 3 bottom of one-stage water wash tower, is connected to by pipeline with 4 bottom of second level water scrubber at the top of one-stage water wash tower 3, water tank 5
It is inside equipped with the NaOH solution that content is 10%, boron chloride reacts completion with NaOH solution and absorbs after being passed through；
Described 1 one end of Venturi tube is connected to tail gas and enters pipe 9, and the other end is connected to buffering 2 bottom of water scrubber；
The air supply system includes sequentially connected filter 10, air compressor machine 11, drier 12 and gas surge tank
13, the gas buffer tank 13 is connected to by pipeline with Venturi tube 1.Air supply system by the moisture in air take off to
0.5ppm；
The induced draught system includes gas-liquid separator 14 and the air-introduced machine 15 that connect with the gas-liquid separator 14, gas-liquid point
From device 14 by being connected at the top of pipeline and second level water scrubber 4.
In a kind of embodiment wherein, 5 bottom of water tank is additionally provided with sedimentation basin 16, and 16 bottom of sedimentation basin is equipped with blowdown
Valve 17.
In a kind of embodiment wherein, the tail gas, which enters on pipe 9, is additionally provided with valve 18.
In a kind of embodiment wherein, it is additionally provided on the pipeline that the air cushion tank is connected to the Venturi tube 1
Flowmeter 19.
The utility model has the advantages that
It reduces blocking: venturi is installed at the inlet port of boron chloride, dilute boron chloride, and increase pipeline flow, use
Dry air is blown into a small amount of solid boric acid in water scrubber, prevents blocking pipeline.Purge gass use dry air, further
Reduce the generation of solid boric acid.
It avoids the liquefaction of boron chloride: taking out discharge tube by the way of venturi, avoid boron chloride in delivery pipe
Liquefaction in road, and the driver using dry air as venturi, reduce cost.
Absorb thoroughly and reduce blocking: the present apparatus is by the way of three tower cascade connected, and tempering tower is that void tower avoids blocking, level-one
Plastic hollow ball filler 8 is loaded in water scrubber 3, second level water scrubber 4 and increases reaction contact area, to react thorough.
The pressure drop for reducing water scrubber, facilitates operation: in water scrubber operation, the pressure drop of water scrubber influences whether the fortune of technique
Row increases operation difficulty, and the present apparatus, in outlet end air inducing, reduces the pressure drop of water column in three water scrubbers using air-introduced machine 15,
The operation difficulty made reduces.
Safety high reliablity: the mode that the present apparatus had both been vacuumized in the Venturi tube 1 of front end installation to discharge tube is kept away
The water column for having exempted to generate when the operating of water scrubber builds the pressure to discharge tube, has an impact to technique.Increase air inducing in rear end again
Machine 15 further decreases pressure drop, and the influence to technique further decreases.By the way of totally-enclosed and three tower cascade connected, absorb
Entirely, highly-safe.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry it should be appreciated that the present utility model is not limited to the above embodiments, do not depart from the spirit of the present invention and
Under the premise of range, the utility model also has various changes and improvements, these changes and improvements both fall within the utility model and want
In the range of asking protection.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (4)
1. boron chloride exhaust gas processing device, it is characterised in that: including water wash system, air supply system, Venturi tube and draw
Wind system；
The water wash system includes the buffering water scrubber, one-stage water wash tower and second level water scrubber being sequentially connected in series, the buffering washing
Tower, the one-stage water wash tower, second level washing tower bottom are equipped with the water tank communicated therewith, buffer water scrubber, one-stage water wash
The circulation pipe and circulating pump for being connected to upper part with the water tank, one-stage water wash tower, second level water are additionally provided on tower, second level water scrubber
It washes filled with hollow sphere filler in tower, buffering washing top of tower is connected to by pipeline with one-stage water wash tower bottom, one-stage water wash
Top of tower is washed tower bottom with second level by pipeline and is connected to；
Described Venturi tube one end is connected to tail gas and enters pipe, and the other end is connected to buffering washing tower bottom；
The air supply system includes sequentially connected filter, air compressor machine, drier and gas surge tank, and the gas is slow
Tank is rushed to be connected to by pipeline with Venturi tube；
The induced draught system includes gas-liquid separator and the air-introduced machine that connect with the gas-liquid separator, and gas-liquid separator passes through pipe
It is connected at the top of road and second level water scrubber.
2. boron chloride exhaust gas processing device according to claim 1, it is characterised in that: it is heavy that the water tank bottom is additionally provided with
Shallow lake pond, precipitating bottom of pond portion are equipped with blowdown valve.
3. boron chloride exhaust gas processing device according to claim 1, it is characterised in that: the tail gas, which enters on pipe, also to be set
There is valve.
4. boron chloride exhaust gas processing device according to claim 1, it is characterised in that: the air cushion tank with it is described
Flowmeter is additionally provided on the pipeline of Venturi tube connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821137383.7U CN208642244U (en) | 2018-07-18 | 2018-07-18 | Boron chloride exhaust gas processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821137383.7U CN208642244U (en) | 2018-07-18 | 2018-07-18 | Boron chloride exhaust gas processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208642244U true CN208642244U (en) | 2019-03-26 |
Family
ID=65784765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821137383.7U Active CN208642244U (en) | 2018-07-18 | 2018-07-18 | Boron chloride exhaust gas processing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116966705A (en) * | 2023-09-22 | 2023-10-31 | 宁津禾洁生物科技有限公司 | Waste gas treatment device for preparing furfural and waste gas treatment assembly thereof |
-
2018
- 2018-07-18 CN CN201821137383.7U patent/CN208642244U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116966705A (en) * | 2023-09-22 | 2023-10-31 | 宁津禾洁生物科技有限公司 | Waste gas treatment device for preparing furfural and waste gas treatment assembly thereof |
| CN116966705B (en) * | 2023-09-22 | 2023-11-28 | 宁津禾洁生物科技有限公司 | Waste gas treatment device for preparing furfural and waste gas treatment assembly thereof |
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