CN205684018U - A kind of hydrolysis device processing trichlorosilane - Google Patents
A kind of hydrolysis device processing trichlorosilane Download PDFInfo
- Publication number
- CN205684018U CN205684018U CN201620580569.4U CN201620580569U CN205684018U CN 205684018 U CN205684018 U CN 205684018U CN 201620580569 U CN201620580569 U CN 201620580569U CN 205684018 U CN205684018 U CN 205684018U
- Authority
- CN
- China
- Prior art keywords
- trichlorosilane
- reactor
- tail gas
- pipeline
- storage tank
- 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.)
- Expired - Fee Related
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- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000005052 trichlorosilane Substances 0.000 title claims abstract description 42
- 230000007062 hydrolysis Effects 0.000 title claims abstract description 20
- 238000006460 hydrolysis reaction Methods 0.000 title claims abstract description 20
- 238000012545 processing Methods 0.000 title claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 46
- 238000003860 storage Methods 0.000 claims abstract description 31
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000010521 absorption reaction Methods 0.000 claims description 26
- 238000012546 transfer Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000001802 infusion Methods 0.000 claims description 3
- -1 nitrogen system (1) Chemical compound 0.000 claims description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 abstract description 10
- 229910000041 hydrogen chloride Inorganic materials 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 abstract description 3
- 229910000077 silane Inorganic materials 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000005046 Chlorosilane Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
A kind of hydrolysis device processing trichlorosilane, belongs to technical field of chemical.Including nitrogen system, it is characterized in that this device is added storage tank, reactor and device for absorbing tail gas by trichlorosilane storage tank, water droplet and connects and composes；The pipeline of nitrogen system is connected with trichlorosilane storage tank, reactor and device for absorbing tail gas respectively, provides source of the gas for device gas displacement；Trichlorosilane storage tank, water droplet add storage tank and are positioned at reactor top, are connected with reactor pipeline respectively, and reactor is connected with device for absorbing tail gas pipeline.Advantage is simple in construction, and cost of investment is low, and a small amount of trichlorosilane does early stage hydrolysis process, and tail gas hydrogen chloride is absorbed, and has fewer environmental impacts；Reduce the cost that discarded trichlorosilane is processed by production of silane enterprise, and the tail gas of final discharge is little to environment, has certain social benefit.
Description
Technical field
This utility model belongs to technical field of chemical, particularly relates to a kind of hydrolysis device processing trichlorosilane.
Background technology
Trichlorosilane, is the important intermediate of synthesizing organo-silicon, easily flows easily for having zest stench under normal temperature and pressure
The colourless transparent liquid of volatilization, chemical property is very active, runs into water and hydrolyzes immediately, the product after hydrolysis have hydrogen chloride and
Polymer, causes bigger corrosion to working environment and corresponding hardware, and it stores and transport is required for paying special attention to.Three
Chlorosilane usually has a small amount of waste liquid as research and development, production silane product raw material, it is impossible to meet research and development, production requirement, needs as endangering
Danger offal treatment, the processing mechanism of this hazardous chemical product needed trust specialty, but the discarded trichlorosilane amount processed
Cost time less, store, transport, processed is of a relatively high.
Summary of the invention
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide a kind of hydrolysis dress processing trichlorosilane
Putting, trichlorosilane discarded on a small quantity is carried out early stage hydrolysis process, the product danger after hydrolysis is little, and elimination is reclaimed, stores, transported
Potential safety hazard in defeated, alleviates pollution on the environment.
A kind of hydrolysis device processing trichlorosilane, including nitrogen system, be characterized in this device by trichlorosilane storage tank,
Water droplet adds storage tank, reactor and device for absorbing tail gas and connects and composes；The pipeline of described nitrogen system stores up with trichlorosilane respectively
Tank, reactor and device for absorbing tail gas connect, and provide source of the gas for gas displacement in device；Described trichlorosilane storage tank, water droplet
Adding storage tank and be positioned at above reactor, be connected with reactor respectively, reactor is connected with device for absorbing tail gas.
Improving further, described trichlorosilane storage tank uses corrosion-proof lining, and outside sets liquidometer, and top sets feeding pipe
Being connected with infusion pump, if atmospheric valve, bottom is connected with reactor pipeline；Described feeding pipe and selection for pipeline anti-corrosion material.
Improving further, described water droplet adds storage tank top and sets water inlet pipe, and outside sets the pipe that liquidometer is connected with reactor
Flow control valve is set on road.
Improving further, described reactor uses corrosion-proof lining, if agitating device, thermometer, Pressure gauge, bottom sets puts
Material valve, outside sets cooling water jecket, appendix at offgas outlet, and at offgas outlet, appendix is connected with device for absorbing tail gas, defeated
Gasing pump is set on trachea.
Improving further, described device for absorbing tail gas includes that level Four holds the transfer tank of hydrochloric acid, and and transfer respectively
The level Four absorption tower of tank one_to_one corresponding connection, level Four absorption tower is sequentially communicated, and wherein first order absorption tower connects input tail gas
Appendix, fourth stage absorption tower is contained with alkali liquor and fourth stage absorption tower and connects and have by the exhaustor of tail gas after absorbing, often
It is connected to condenser, delivery pump, the wherein input of third level transfer tank between level transfer tank and each self-corresponding absorption tower
Mouth accesses the water inlet pipe having input pure water, and third level delivery pump accesses second level condenser by pipeline, and second level delivery pump is logical
Crossing pipeline and access first order condenser, first order condenser delivery pump delivery outlet connects drain pipe.
During use, first the trichlorosilane in trichlorosilane storage tank is put into reactor, open in opening agitating device, chuck
Cooling water, regulation water droplet adds the Flux Valve Control trichlorosilane hydrolysis rate of storage tank, when hydrochloric acid produces from reactor,
Through device for absorbing tail gas, hydrogen chloride tail gas is absorbed, finally the gas of purification is discharged by exhaustor, close at the end of reaction
Closing water droplet and add storage tank valve and flow-controlling meter valve, equipment is purged, replaces by the nitrogen valve opened on reactor.
Compared with prior art, advantage is simple in construction, and cost of investment is low, does a small amount of trichlorosilane at early stage hydrolysis
Reason, tail gas hydrogen chloride is absorbed, and has fewer environmental impacts；Reduce the one-tenth that discarded trichlorosilane is processed by production of silane enterprise
This, and the tail gas of final discharge is little to environment, environmental pollution is little, has certain social benefit.
Accompanying drawing explanation
Fig. 1 is a kind of hydrolysis device structural representation processing trichlorosilane.
In figure: 1, nitrogen system 2, trichlorosilane storage tank 3, water droplet add tank 3-1, water inlet pipe 3-2, flow control valve
4, reactor 5, device for absorbing tail gas.
Detailed description of the invention
Illustrate that this utility model does a new step to be described below in conjunction with the accompanying drawings.
As seen from Figure 1, a kind of hydrolysis device processing trichlorosilane, including nitrogen system 1, it is characterized in this device
Added storage tank 3, reactor 4 and device for absorbing tail gas 5 by trichlorosilane storage tank 2, water droplet to constitute；The pipeline of described nitrogen system 1
It is connected with trichlorosilane storage tank 2, reactor 4 and device for absorbing tail gas 5 respectively, provides source of the gas for device gas displacement；Described
Trichlorosilane storage tank 2, water droplet add storage tank 3 and are positioned at reactor 4 top, are connected with reactor 4 pipeline respectively, reactor 4 and tail gas
Absorption plant 5 pipeline connects.
As seen from Figure 1, described trichlorosilane storage tank 2 uses corrosion-proof lining, outside to set liquidometer, and top sets charging
Pipeline and infusion pump, if atmospheric valve, bottom is connected with reactor pipeline；Described feeding pipe and selection for pipeline anti-corrosion material.
As seen from Figure 1, described water droplet adds that storage tank 3 outside sets liquidometer, bottom is connected with reactor pipeline, pipeline
On set flow control valve.
As seen from Figure 1, described reactor 4 uses corrosion-proof lining, if agitating device, thermometer, Pressure gauge, bottom
If baiting valve, outside sets cooling water jecket, and at offgas outlet, appendix is connected with device for absorbing tail gas, and appendix sets gas transmission
Pump.
As seen from Figure 1, described device for absorbing tail gas 5 includes that level Four holds the transfer tank of hydrochloric acid, Yi Jiyu respectively
The level Four absorption tower of transfer tank one_to_one corresponding connection, level Four absorption tower is sequentially communicated, and wherein first order absorption tower connects input
The appendix of tail gas, is contained with alkali liquor and fourth stage absorption tower and connects and have by the aerofluxus of tail gas after absorbing in fourth stage absorption tower
Pipe, be connected to condenser, delivery pump between every grade of transfer tank and each self-corresponding absorption tower, wherein third level transfer tank
The water inlet pipe having input pure water is accessed in input port, and third level delivery pump accesses second level condenser by pipeline, and the second level carries
Pump accesses first order condenser by pipeline, and first order condenser delivery pump delivery outlet connects drain pipe.
During use, first the trichlorosilane in trichlorosilane storage tank is put into reactor, open in opening agitating device, chuck
Cooling water, regulation water droplet adds the Flux Valve Control trichlorosilane hydrolysis rate of storage tank, when hydrogen chloride produces from reactor 4
Time, hydrogen chloride gas enters device for absorbing tail gas 5 through delivery pump and passes through first order absorption tower, and the most unabsorbed hydrogen chloride enters
Entering absorption tower, the second level, remaining hydrogen chloride is again by the third level and fourth stage absorption tower, time finally to fourth stage absorption tower,
Use alkali liquor absorption；Meanwhile, process water first adds in third level transfer tank, the liquid after absorption, then by third level transfer
Tank, to second level transfer tank, again by second level transfer tank to first order transfer tank, turns in tank in the first stage, uses concentration relatively
High hydrochloric acid liquid absorbs the hydrogen chloride gas of high concentration, it is ensured that the hydrogen cloride concentration contained in hydrochloric acid liquid reach 30% with
On, the hydrochloric acid solution after again absorbing is transferred to hydrochloric acid tank, is absorbed by hydrogen chloride tail gas, finally tail gas is passed through exhaustor
Discharge, close water droplet at the end of reaction and add storage tank valve and flow-controlling meter valve, open the nitrogen valve on reactor to equipment
Carry out purging, replacing.
Claims (5)
1. process a hydrolysis device for trichlorosilane, including nitrogen system (1), it is characterised in that this device is stored up by trichlorosilane
Tank (2), water droplet add storage tank (3), reactor (4) and device for absorbing tail gas (5) and constitute；The pipeline of described nitrogen system (1) divides
It is not connected with trichlorosilane storage tank (2), reactor (4) and device for absorbing tail gas (5), provides source of the gas for device gas displacement；Institute
Trichlorosilane storage tank (2), the water droplet stated add storage tank (3) and are positioned at reactor (4) top, are connected, instead with reactor (4) pipeline respectively
Still (4) is answered to be connected with device for absorbing tail gas (5) pipeline.
A kind of hydrolysis device processing trichlorosilane the most according to claim 1, it is characterised in that described trichlorosilane
Storage tank (2) uses corrosion-proof lining, and outside sets liquidometer, and top sets feeding pipe and infusion pump, if atmospheric valve, bottom and reactor
Pipeline connects；Described feeding pipe and selection for pipeline anti-corrosion material.
A kind of hydrolysis device processing trichlorosilane the most according to claim 1, it is characterised in that described water droplet adds storage
Tank (3) outside sets liquidometer, bottom is connected with reactor pipeline, and pipeline sets flow control valve.
A kind of hydrolysis device processing trichlorosilane the most according to claim 1, it is characterised in that described reactor (4)
Using corrosion-proof lining, if agitating device, thermometer, Pressure gauge, bottom sets baiting valve, and outside sets cooling water jecket, offgas outlet
Place's appendix is connected with device for absorbing tail gas, and appendix sets gasing pump.
A kind of hydrolysis device processing trichlorosilane the most according to claim 1, it is characterised in that described tail gas absorption
Device (5) includes that level Four holds the transfer tank of hydrochloric acid, and the level Four absorption tower connected with transfer tank one_to_one corresponding, level Four respectively
Absorption tower is sequentially communicated, and wherein first order absorption tower connects the appendix having input tail gas, and the fourth stage is contained with alkali in absorption tower
Liquid and fourth stage absorption tower connect to be had by the exhaustor of tail gas after absorbing, between every grade of transfer tank and each self-corresponding absorption tower point
Lian Jie not have condenser, delivery pump, wherein the water inlet pipe having input pure water is accessed in the input port of third level transfer tank, and the third level is defeated
Sending pump to pass through pipeline and access second level condenser, second level delivery pump accesses first order condenser by pipeline, and the first order condenses
Connect on device delivery pump delivery outlet and have drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580569.4U CN205684018U (en) | 2016-06-08 | 2016-06-08 | A kind of hydrolysis device processing trichlorosilane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580569.4U CN205684018U (en) | 2016-06-08 | 2016-06-08 | A kind of hydrolysis device processing trichlorosilane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205684018U true CN205684018U (en) | 2016-11-16 |
Family
ID=57428658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620580569.4U Expired - Fee Related CN205684018U (en) | 2016-06-08 | 2016-06-08 | A kind of hydrolysis device processing trichlorosilane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205684018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113372373A (en) * | 2021-06-09 | 2021-09-10 | 江西蓝星星火有机硅有限公司 | Device and method for purifying hydrolysate of dimethyl hydrochlorosilane |
-
2016
- 2016-06-08 CN CN201620580569.4U patent/CN205684018U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113372373A (en) * | 2021-06-09 | 2021-09-10 | 江西蓝星星火有机硅有限公司 | Device and method for purifying hydrolysate of dimethyl hydrochlorosilane |
| CN113372373B (en) * | 2021-06-09 | 2022-05-17 | 江西蓝星星火有机硅有限公司 | Device and method for purifying hydrolysate of dimethyl hydrochlorosilane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 243000 fine chemical base of Wujiang Town, Ma'anshan and Anhui Province Patentee after: ANHUI GB SILICONES NEW MATERIAL CO.,LTD. Address before: 243000 fine chemical base of Wujiang Town, Ma'anshan and Anhui Province Patentee before: GBXF SILICONES Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |