CN103396432A - Device for producing methyl chlorosilane by utilizing chloromethane - Google Patents
Device for producing methyl chlorosilane by utilizing chloromethane Download PDFInfo
- Publication number
- CN103396432A CN103396432A CN2013103578644A CN201310357864A CN103396432A CN 103396432 A CN103396432 A CN 103396432A CN 2013103578644 A CN2013103578644 A CN 2013103578644A CN 201310357864 A CN201310357864 A CN 201310357864A CN 103396432 A CN103396432 A CN 103396432A
- Authority
- CN
- China
- Prior art keywords
- methyl chloride
- methyl
- pipeline
- fresh
- superheater
- 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.)
- Granted
Links
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 title claims abstract description 112
- YGZSVWMBUCGDCV-UHFFFAOYSA-N chloro(methyl)silane Chemical compound C[SiH2]Cl YGZSVWMBUCGDCV-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 229940050176 methyl chloride Drugs 0.000 claims abstract description 54
- 239000000178 monomer Substances 0.000 claims abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 238000003786 synthesis reaction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 239000007791 liquid phase Substances 0.000 abstract description 4
- 239000012071 phase Substances 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical compound [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Images
Classifications
-
- 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
Abstract
The invention relates to a device for producing methyl chlorosilane and in particular relates to a device for producing methyl chlorosilane by utilizing chloromethane. The device comprises an outlet buffer tank of a fresh methyl chloride compressor, wherein a methyl chloride directly supply pipeline is connected from the outlet of the outlet buffer tank of the fresh methyl chloride compressor; the other end of the methyl chloride directly supply pipeline is connected with an over-heater; the over-heater is connected with a monomer synthesis fluidized bed. Compared with the prior art, gas-phase methyl chloride of a methyl chloride workshop is partially fed to the synthesis fluidized bed by virtue of self-pressure without passing through a condenser, so that gas-liquid phase twice conversion of the partial fresh methyl chloride is reduced, the cooling capacity consumption of the condenser, the power consumption of a methyl chloride transfer pump and vapor consumption of a monomer synthesis process are lowered, and the purposes of saving energy and reducing consumption are achieved.
Description
Technical field
The present invention relates to a kind of device of producing methyl chlorosilane, particularly a kind of device that utilizes methyl chloride to produce methyl chlorosilane.
Background technology
In the methyl chloride synthesis procedure, fresh gas phase methyl chloride is compressed, condensation becomes liquid phase and delivers to the monomer synthesizer: the methyl chloride groove, through vaporizer, use the steam heating vaporization, then after superheater heats up, send into the synthetic fluidized-bed of monomer, the process that middle liquefaction regasifies causes energy dissipation.
Summary of the invention
The object of the present invention is to provide a kind of methyl chloride that utilizes that reduces the consumption of condenser cold to produce the device of methyl chlorosilane.
The present invention adopts following technical scheme:
A kind of device that utilizes methyl chloride to produce methyl chlorosilane, comprise fresh methyl chloride compressor outlet surge tank, it is characterized in that: from fresh methyl chloride compressor outlet surge tank outlet, connect methyl chloride direct-furnish pipeline, the other end of methyl chloride direct-furnish pipeline is connected with superheater, and superheater is connected with the synthetic fluidized-bed of monomer.
Compared with prior art, part fresh gas phase methyl chloride in methyl chloride workshop is without condenser in the present invention, by self pressure, delivers to synthetic fluidized-bed; Reduce twice conversion of the fresh methyl chloride gas, liquid of this part, reduced the cold consumption of condenser, the power consumption of methyl chloride transferpump and the steam consumption of monomer synthesis procedure, reached greatly energy-saving and cost-reducing purpose.
Preferred version of the present invention is:
Superheater adopts thermal oil to carry out heat conduction, and heat conductive oil inlet arranges variable valve.
On methyl chloride direct-furnish pipeline, the nitrogen supply (NS) pipeline is set.
On superheater, also be provided with the nitrogen supply (NS) pipeline.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples in detail this is described in detailInvention
A kind of device that utilizes methyl chloride to produce methyl chlorosilane, referring to accompanying drawing 1, in figure: fresh methyl chloride compressor outlet surge tank 1, house steward 2, methyl chloride direct-furnish pipeline 3, nitrogen supply (NS) pipeline 4, superheater 5, the synthetic fluidized-bed 6 of monomer, the second nitrogen supply (NS) pipeline 7, variable valve 8.
In the present embodiment, from fresh methyl chloride compressor outlet surge tank 1 outlet, by house steward 2, connect methyl chloride direct-furnish pipeline 3, the other end of methyl chloride direct-furnish pipeline 3 is connected with superheater 5, and superheater 5 is connected with the synthetic fluidized-bed 6 of monomer.Direct-furnish methyl chloride flow adopts remote manual to regulate, and is controlled at 1800～5400Nm
3
/ h.
Fresh methyl chloride compressor outlet surge tank 1 arranges the pressure proper value regulating, and maintenance pressure is that 0.72MPa (G) relies on the methyl chloride amount of regulating dechlorination methane synthesis procedure to keep regulating compressor outlet surge tank pressure.Newly-increased superheater heat interchanging area 50m
2
, adopt thermal oil to heat, heat conductive oil inlet arranges variable valve 8, and the thermal oil flow is by the adjusting of interlocking of the methyl chloride temperature of superheater 5 outlets.
On methyl chloride direct-furnish pipeline 3, nitrogen supply (NS) pipeline 4 is set.The second nitrogen supply (NS) pipeline 7 is set on superheater 5; The purging displacement when stopping car or accidental state of nitrogen supply (NS) pipeline 4 and the second nitrogen supply (NS) pipeline 7.
This project compared with prior art has obvious energy conservation and consumption reduction effects, and a year wound effect volume is 62.6 ten thousand yuan as calculated.According to the methyl chloride shop loading, determine that tentatively the methyl chloride direct sending after compressed machine compression synthesizes 6t/h, synthetic whole year operation 300 days.
, methyl chloride workshop water saving calculates:
Save recirculated water 100m
3
/ h, year saving water yield 720000m
3
, 0.15 yuan/ton of recirculated water unit price, 10.8 ten thousand yuan of year benefits.
, methyl chloride workshop economize on electricity calculates:
Methyl chloride line pump (5.5kw) methyl chloride transferpump (6.3kw) the rear methyl chloride transferpump that comes into operation can realize that intermittently start-stop year is saved electric weight 30,000 degree, 0.594 yuan/degree of electric unit price, 1.8 ten thousand yuan of year benefits.
, synthetic workshop joint vapour calculates:
0.185 ton of steam of winter operation liquid phase methyl chloride consumption steam/square methyl chloride, 0.125 ton of steam of summer operation liquid phase methyl chloride consumption steam/square methyl chloride, average 0.155 ton of steam of steam consumption/cube methyl chloride.But transformation steam saving 6696(signature in the year after next 5692) ton, 88 yuan/tons of steam prices, year can be saved 500,000 yuan.
Year benefit total value is 62.6 ten thousand yuan.
Claims (4)
1. device that utilizes methyl chloride to produce methyl chlorosilane, comprise fresh methyl chloride compressor outlet surge tank, it is characterized in that: from fresh methyl chloride compressor outlet surge tank outlet, connect methyl chloride direct-furnish pipeline, the other end of methyl chloride direct-furnish pipeline is connected with superheater, and superheater is connected with the synthetic fluidized-bed of monomer.
2. the device that utilizes methyl chloride to produce methyl chlorosilane according to claim 1, it is characterized in that: superheater adopts thermal oil to carry out heat conduction, and heat conductive oil inlet arranges variable valve.
3. the device that utilizes methyl chloride to produce methyl chlorosilane according to claim 1, is characterized in that: on methyl chloride direct-furnish pipeline, the nitrogen supply (NS) pipeline is set.
4. the device that utilizes methyl chloride to produce methyl chlorosilane according to claim 1, is characterized in that: on superheater, also be provided with the nitrogen supply (NS) pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310357864.4A CN103396432B (en) | 2013-08-16 | 2013-08-16 | Chloromethanes is utilized to produce the device of methylchlorosilane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310357864.4A CN103396432B (en) | 2013-08-16 | 2013-08-16 | Chloromethanes is utilized to produce the device of methylchlorosilane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103396432A true CN103396432A (en) | 2013-11-20 |
| CN103396432B CN103396432B (en) | 2016-08-31 |
Family
ID=49560199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310357864.4A Active CN103396432B (en) | 2013-08-16 | 2013-08-16 | Chloromethanes is utilized to produce the device of methylchlorosilane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103396432B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110590828A (en) * | 2019-09-26 | 2019-12-20 | 合盛硅业股份有限公司 | Methyl chlorosilane synthesis equipment and parking method |
| CN113532020A (en) * | 2021-07-28 | 2021-10-22 | 重庆天原化工有限公司 | Chloromethane compression system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201522413U (en) * | 2009-09-22 | 2010-07-07 | 武汉科技大学 | Micro-size grain fluidizability and crystalline growth velocity measuring device |
| CN201506759U (en) * | 2009-09-30 | 2010-06-16 | 潍坊中业化学有限公司 | Gamma-chloropropyl triethoxysilane preparation apparatus |
| CN102432633B (en) * | 2011-12-07 | 2014-05-07 | 江西晨光新材料有限公司 | Alcoholysis process of chloropropyltriethoxysilane |
-
2013
- 2013-08-16 CN CN201310357864.4A patent/CN103396432B/en active Active
Non-Patent Citations (2)
| Title |
|---|
| 何珊 等: "半间歇反应釜先进控制系统的研究", <化工自动化及仪表>, 31 December 2012 (2012-12-31), pages 711 - 713 * |
| 佟珂，等: "有机硅装置中的除尘分离设备", <化工设计>, 31 December 2005 (2005-12-31), pages 21 - 23 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110590828A (en) * | 2019-09-26 | 2019-12-20 | 合盛硅业股份有限公司 | Methyl chlorosilane synthesis equipment and parking method |
| CN113532020A (en) * | 2021-07-28 | 2021-10-22 | 重庆天原化工有限公司 | Chloromethane compression system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103396432B (en) | 2016-08-31 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 063305 Nanpu Development Zone, Hebei, Tangshan City Patentee after: Tangshan Sanyou Silicon Industry Co.,Ltd. Address before: 063305 Nanpu Development Zone, Hebei, Tangshan City Patentee before: SANYOU SILICON INDUSTRY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |