CN207950719U - A kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill - Google Patents
A kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill Download PDFInfo
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- CN207950719U CN207950719U CN201721833072.XU CN201721833072U CN207950719U CN 207950719 U CN207950719 U CN 207950719U CN 201721833072 U CN201721833072 U CN 201721833072U CN 207950719 U CN207950719 U CN 207950719U
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Abstract
The utility model is related to chemical industry tail gas purification techniques field more particularly to a kind of trimethoxy silane containing hydrogen synthesis tail gas wash mills.Including esterification column, level-one salt is cold, two level salt is cold, Hcl surge tanks, scrubbing tower, the esterification column, level-one salt is cold, two level salt is cold, Hcl surge tanks, scrubbing tower passes sequentially through pipeline connection, the cold top of level-one salt is connected to the cold side of two level salt by pipeline, the scrubbing tower cleaning solution is stored in cleaning solution holding vessel, the top and middle part of scrubbing tower are delivered to by pump, it is provided with cleaning solution receiving tank below the scrubbing tower, the cleaning solution holding vessel is connected to wash tower bottoms, the cleaning solution receiving tank is connected to scrubbing tower by pump discharge conveyance conduit, the scrubbing tower side is provided with trichlorosilane synthetic furnace, the scrubbing tower is connected to trichlorosilane synthetic furnace.The utility model can remove the methanol in tail gas, reduce the frequency of maintenance of trichlorosilane synthetic furnace, reduce maintenance cost.
Description
Technical field
The utility model is related to chemical industry tail gas purification techniques fields more particularly to a kind of trimethoxy silane containing hydrogen to synthesize tail
Gas washing device.
Background technology
Trimethoxy silane containing hydrogen is the important intermediate of silane coupling agent, and subsequent product is widely used in glass, is applied
Material, rubber, adhesive, numerous industries such as waterproofing agent.Silane coupling agent is after three big product of organosilicon, one silicone oil, silicon rubber, silicon
The fourth-largest class organosilicon product after resin, the status in silicone industry is increasingly important, oneself becomes modern organosilicon
Essential mating chemistry helps in industry, organic polymer industry, composite material industry and related high-tech technical field
Agent, since the product is constantly soaring, which has good market prospects.
Prepared by trimethoxy silane containing hydrogen, be that esterification occurs by trichlorosilane and methanol, reaction process generates Hcl
Gas can take away a part of methanol.
The country is mostly used falling liquid film absorber and absorbs to trimethoxy silane containing hydrogen vent gas treatment mode.Having a disadvantage in that can produce
Raw a large amount of acid solution, processing cost are excessively huge.Hcl in tail gas is the important source material of synthesizing trichlorosilane, so public
Department uses the tail gas supply trichlorosilane synthetic furnace recycling of this part, greatly reduces vent gas treatment cost, also variable give up is
Treasured reduces company's cost of material, increases the competitiveness of company.But it has a disadvantage in that and is not all Hcl gases in tail gas, also one
The methanol divided, can be such that trichlorosilane synthetic furnace blocks, and increase the maintenance cost of trichlorosilane synthetic furnace, increase security risk.It adopts
After washing tail gas device, the methanol in tail gas can be effectively removed, ensures that trichlorosilane synthetic furnace continually and steadily produces.To
Ensure that Hcl gases are stablized to recycle, reduce environmental pollution, reduces environmentally friendly cost and bring low cost of material huge to company
Economic benefit.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, adapt to reality and need, provide a kind of trimethoxy
Silane containing hydrogen synthesis tail gas wash mill is removed the methanol in tail gas using physical action and chemical action Combined Treatment mode
It removes.
In order to realize that the purpose of this utility model, the technical solution adopted in the utility model be：
A kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill, including esterification column, level-one salt is cold, and two level salt is cold, Hcl
Surge tank, scrubbing tower, the esterification column, level-one salt is cold, and two level salt is cold, Hcl surge tanks, and scrubbing tower passes sequentially through pipeline connection,
The cold top of level-one salt is connected to the cold side of two level salt by pipeline, and the scrubbing tower cleaning solution is stored in cleaning solution holding vessel
It is interior, it is delivered to the top and middle part of scrubbing tower by pump, cleaning solution receiving tank, the cleaning solution are provided with below the scrubbing tower
Holding vessel is connected to wash tower bottoms, and the cleaning solution receiving tank is connected to scrubbing tower by pump discharge conveyance conduit, described to wash
It washs tower side and is provided with trichlorosilane synthetic furnace, the scrubbing tower is connected to trichlorosilane synthetic furnace.
The level-one salt is cold, and the cold bottom of two level salt is provided with condensate liquid reflux line and is connected to esterification column.
It is provided with cleaning solution nozzle on the scrubbing tower inner top, middle part.
The height of esterification column is 3 ~ 30m, internal diameter DN200 ~ DN1000,5 ~ 80m3 of heating surface (area) (HS.
Level-one salt is cold, the cold film-cooled heat of two level salt is in 5 ~ 100m2.
The volume of the Hcl surge tanks is in 2 ~ 200m3.
The height of the scrubbing tower is 1 ~ 30m, internal diameter DN200 ~ DN1000.
The cleaning solution storage tank volume is 1 ~ 50m3, and it is 1 ~ 50m3 that washing solution, which receives tank volume,.
Material in esterification column, level-one salt is cold, two level salt is cold, branch mode between Hcl surge tanks, scrubbing tower includes pump,
Positive pressure, negative pressure mode.
The beneficial effects of the utility model are：
1. the utility model can remove the methanol in tail gas, the frequency of maintenance of trichlorosilane synthetic furnace is reduced, reduces dimension
Accomplish this.
2. the utility model can reduce the security risk of trichlorosilane synthetic furnace, ensure safety and stability production；
3. the utility model ensures that trichlorosilane synthetic furnace continually and steadily produces, Hcl gases can be allow effective
Recycling, substantially reduce environmentally friendly cost, reduce cost of material, there is huge economic benefit and environmental benefit.
Description of the drawings
The utility model is described further with case study on implementation below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Wherein, 1 esterification column, 2 level-one salt are cold, and 3 two level salt are cold, 4Hcl surge tanks, 5 scrubbing towers, 6 trichlorosilane synthetic furnaces, and 7
Cleaning solution holding vessel, 8 cleaning solution receiving tanks, 9 valves.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples：
Referring to Fig. 1.
The utility model discloses a kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill, including esterification column 1, level-ones
Salt cold 2, cold 3, the Hcl surge tanks 4 of two level salt, scrubbing tower 5, the esterification column 1, level-one salt cold 2, cold 3, the Hcl surge tanks of two level salt
4, scrubbing tower 5 passes sequentially through pipeline connection, and cold 2 top of level-one salt is connected to cold 3 side of two level salt by pipeline, described to wash
It washs 5 cleaning solution of tower to be stored in cleaning solution holding vessel 7, the top and middle part of scrubbing tower is delivered to by pump, under the scrubbing tower
Side be provided with cleaning solution receiving tank 8, the cleaning solution holding vessel 7 is connected to 5 bottom of scrubbing tower, the cleaning solution receiving tank 8 and
Scrubbing tower 5 is connected to by pump discharge conveyance conduit, and 5 side of the scrubbing tower is provided with trichlorosilane synthetic furnace 6, the scrubbing tower
5 are connected to trichlorosilane synthetic furnace 6.
The level-one salt cold 2, cold 3 bottom of two level salt are provided with condensate liquid reflux line and are connected to esterification column 1.
It is provided with cleaning solution nozzle on 5 inner top of the scrubbing tower, middle part.
The height of esterification column 1 is 3 ~ 30m, internal diameter DN200 ~ DN1000,5 ~ 80m3 of heating surface (area) (HS.
Level-one salt is cold 2, cold 3 film-cooled heat of two level salt is in 5 ~ 100m2.
The volume of Hcl surge tanks 4 is in 2 ~ 200m3.
The height of scrubbing tower 5 is 1 ~ 30m, internal diameter DN200 ~ DN1000.
7 volume of cleaning solution holding vessel is 1 ~ 50m3, and it is 1 ~ 50m3 that washing solution, which receives tank volume,.
Material is esterification column 1, level-one salt is cold 2, two level salt is cold 3, the branch mode packet between Hcl surge tanks 4, scrubbing tower 5
Include pump, positive pressure, negative pressure mode..
The use principle of the utility model is summarized as follows：
1. the mixed tail gas of trimethoxy silane containing hydrogen enters level-one salt cold 2 from esterification column 1, the flow of chilled brine is controlled
Carry out the preliminary methanol gas condensed in tail gas, condensed liquid methanol returns to esterification column by the pipeline of cold 2 bottom of level-one salt
1, tail gas then enters two level salt cold 3 from cold 2 top of level-one salt；2. the control cold 3 chilled brine flow of two level salt further condenses first
Alcohol gas so that methanol condensed substantially in this step, condensed liquid methanol returns to esterification column 1, and tail gas is then from two level salt
Cold 3 top enters Hcl surge tanks 4, and tail gas controls certain flow and enters scrubbing tower 5 from Hcl surge tanks 4；3. opening cleaning solution storage
7 outlet valve 9 of tank is deposited, 5 top of scrubbing tower, medium position are delivered to by pump, after reaching certain liquid level, close cleaning solution storage
7 outlet valve 9 of tank opens 5 outlet at bottom valve 9 of scrubbing tower, is then recycled in scrubbing tower 5 by dnockout pumps；4. washing
It washs cleaning solvent in tower 5 to spray downwards from the cleaning solution nozzle at top, middle part, tail gas is flowed up from 5 lower part of scrubbing tower, the two
Methanol when contact in cleaning solution and tail gas chemically reacts, and removes remaining methanol in tail gas.Pure Hcl is from scrubbing tower
5 tops enter 6 reuse of trichlorosilane synthetic furnace, and washing solution is formed after cleaning solution is reacted, will after detection reaches a certain level
A portion is transferred to washing solution receiving tank 8, then supplements new cleaning solution toward scrubbing tower 5 again.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technical field,
It is equally included in the patent within the scope of the utility model.
Claims (9)
1. a kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill, including esterification column（1）, level-one salt is cold（2）, two level salt is cold
（3）, Hcl surge tanks（4）, scrubbing tower（5）, it is characterised in that：The esterification column（1）, level-one salt is cold（2）, two level salt is cold（3）,
Hcl surge tanks（4）, scrubbing tower（5）Pipeline connection is passed sequentially through, the level-one salt is cold（2）Top and two level salt are cold（3）Side is logical
Piping is connected to, the scrubbing tower（5）Cleaning solution is stored in cleaning solution holding vessel（7）It is interior, the top of scrubbing tower is delivered to by pump
Portion and middle part, the scrubbing tower lower section are provided with cleaning solution receiving tank（8）, the cleaning solution holding vessel（7）With scrubbing tower（5）Bottom
Portion is connected to, the cleaning solution receiving tank（8）With scrubbing tower（5）It is connected to by pump discharge conveyance conduit, the scrubbing tower（5）Side
It is provided with trichlorosilane synthetic furnace（6）, the scrubbing tower（5）With trichlorosilane synthetic furnace（6）Connection.
2. a kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill according to claim 1, it is characterised in that：It is described
Level-one salt is cold（2）, two level salt is cold（3）Bottom is provided with condensate liquid reflux line and esterification column（1）Connection.
3. a kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill according to claim 1, it is characterised in that：It is described
Scrubbing tower（5）Cleaning solution nozzle is provided on inner top, middle part.
4. a kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill according to claim 1, it is characterised in that：It is described
Esterification column（1）Height be 3 ~ 30m, internal diameter DN200 ~ DN1000,5 ~ 80m3 of heating surface (area) (HS.
5. a kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill according to claim 1, it is characterised in that：It is described
Level-one salt is cold（2）, two level salt it is cold（3）Film-cooled heat is in 5 ~ 100m2.
6. a kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill according to claim 1, it is characterised in that：It is described
Hcl surge tanks（4）Volume in 2 ~ 200m3.
7. a kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill according to claim 1, it is characterised in that：It is described
Scrubbing tower（5）Height be 1 ~ 30m, internal diameter DN200 ~ DN1000.
8. a kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill according to claim 1, it is characterised in that：It is described
Cleaning solution holding vessel（7）Volume is 1 ~ 50m3, and it is 1 ~ 50m3 that washing solution, which receives tank volume,.
9. a kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill according to claim 1, it is characterised in that：Material
In esterification column（1）, level-one salt it is cold（2）, two level salt it is cold（3）, Hcl surge tanks（4）, scrubbing tower（5）Between branch mode include
Pump, positive pressure, negative pressure mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721833072.XU CN207950719U (en) | 2017-12-25 | 2017-12-25 | A kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721833072.XU CN207950719U (en) | 2017-12-25 | 2017-12-25 | A kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill |
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| CN207950719U true CN207950719U (en) | 2018-10-12 |
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| CN201721833072.XU Active CN207950719U (en) | 2017-12-25 | 2017-12-25 | A kind of trimethoxy silane containing hydrogen synthesis tail gas wash mill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115006967A (en) * | 2022-08-04 | 2022-09-06 | 浙江晨阳新材料有限公司 | Method and device for treating alcohol-containing waste gas in fuel cell production |
-
2017
- 2017-12-25 CN CN201721833072.XU patent/CN207950719U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115006967A (en) * | 2022-08-04 | 2022-09-06 | 浙江晨阳新材料有限公司 | Method and device for treating alcohol-containing waste gas in fuel cell production |
| CN115006967B (en) * | 2022-08-04 | 2022-11-18 | 浙江晨阳新材料有限公司 | Method and device for treating alcohol-containing waste gas in fuel cell production |
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