CN201301294Y - Tube array type epoxy ethane reactor with quench zone - Google Patents
Tube array type epoxy ethane reactor with quench zone Download PDFInfo
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- CN201301294Y CN201301294Y CNU2008201770085U CN200820177008U CN201301294Y CN 201301294 Y CN201301294 Y CN 201301294Y CN U2008201770085 U CNU2008201770085 U CN U2008201770085U CN 200820177008 U CN200820177008 U CN 200820177008U CN 201301294 Y CN201301294 Y CN 201301294Y
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- quench
- quench zone
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Abstract
The utility model relates to a tube array type epoxy ethane reactor with a quench zone. The upper part of the reactor is the tube array type reacting zone while the lower part is the quench zone. Catalyst for the reacting zone is filled in a tube pass while cooling water in a shell pass. The quench tube of a reacting tube is also used as the quench tube for the quench zone. The reacting zone and the quench zone are respectively provided with a high-pressure steam pocket.
Description
One, technical field
The utility model relates to a kind of shell and tube ethylene oxide reactor that has quench zone, belongs to chemical machinery field.
Two, background technology
Oxyethane (EO) is important Organic Chemicals, be mainly used in and produce ethylene glycol, nonionogenic tenside ethylate (antelope ethyl salt) class, ethanolamines, solvent and glycol ether, also can be used as medical material, produce the sterilizing agent of fumigant and medicine etc.
EO is produced by ethene and oxygen direct oxidation, and typical process has U.S. science design (SD) company technology, Shell Co. Ltd's technology and union carbide corporation (Subsidiary Company of Dow Chemical) technology.The technology of this three company accounts for more than 90% of oxyethane overall throughput, and these three kinds of technologies all adopt the multitube catalyticreactor, enter reactor after oxygen, ethene and the circulation gas compressed mixed, and oxidizing temperature is controlled by the boiling of water in the reactor shell side.Because EO production produces a large amount of heats, pre-existing reactors might form EO reactor bottom (head) and the interior temperature of pipeline is too high, has the danger that reaches ignition temperature at these positions; Moreover the EO isomery that might take place owing to the existence of catalyst fines turns to the side reaction of acetaldehyde.The maximization of ethylene oxide reactor in addition also is an important development trend of ethylene oxide production technology.Therefore developing the rapid cooling of EO gas that is suitable for maximizing, can make reaction to obtain is an importance of oxyethane technical development from now on the ethylene oxide reactor that reduces the impurity generation.
Three, summary of the invention
The purpose of this utility model just provides a kind of shell and tube ethylene oxide reactor that has quench zone, and reactor top is the tubular reaction section, and the bottom is a quench zone; The catalyst loading of conversion zone is at tube side, and water coolant is at shell side; The quench tube of reaction tubes and quench zone is a same tubulation, and the tubulation diameter is 25mm～57mm; Conversion zone and quench zone are respectively established a high pressure steam bag; The cooling water inlet tube sheet of conversion zone and quench zone is a doubling plate, and laminate and tubulation full weld are shut up and down, and top plate is a porous plate, and percentage of open area is 2%～30%.
Four, description of drawings
Accompanying drawing Fig. 1 is a shell and tube ethylene oxide reactor structural representation of the present utility model, and accompanying drawing 2 is the structural representation of cooling water inlet tube sheet.
The drawing of accompanying drawing is established bright as follows:
1, reactor inlet 2, upper tubesheet 3, catalyzer 4, tubulation 5, conversion zone 6, cooling water inlet tube sheet 7, chilling tubulation 8, quench zone 9, reactor outlet 10, conversion zone high pressure steam bag 11, quench zone high pressure steam bag 12, top plate 13, lower plywood
Below in conjunction with drawings and Examples in detail constructional feature of the present utility model is described in detail.
Five, embodiment
In actual design with in making, the utility model is that reactor top is conversion zone (5), and the bottom is quench zone (8); The catalyzer (3) of conversion zone (5) is seated in tubulation (4) tube side, and water coolant is at shell side; The quench tube of reaction tube (4) and quench zone (8) is a same tubulation, and tubulation (4) diameter is 25mm～57mm; Conversion zone (5) and quench zone (8) are respectively established a high pressure steam bag; The cooling water inlet tube sheet (6) of conversion zone (5) and quench zone (8) is a doubling plate, and top plate (12) and lower plywood (13) are shut with tubulation (4) full weld, and top plate (12) is a porous plate, and percentage of open area is 2%～30%.
When actually operating, oxygen, ethene and circulation gas enter tubulation (4) tube side of conversion zone (5) from reaction gas inlet (1), generate EO under the effect of catalyzer (3); Generation gas flows through from the tubulation tube side of quench zone (8), and gas cools off rapidly, has avoided the side reaction generation; The water coolant multiple spot of conversion zone (5) injects cooling water inlet tube sheet (6), porous through top plate (12) is distributed, evenly enter the shell side of conversion zone (5), withdraw a large amount of heats inflow conversion zone high pressure steam bags (10) production steam that EO production produces, guarantee to be reflected under the suitable temperature to carry out; The water coolant multiple spot of quench zone (8) injects cooling water inlet tube sheet (6), distributes through the porous of top plate (12), evenly enters the shell side of quench zone (8), flows into quench zone high pressure steam bag (11) behind the cooling EO gas and produces steam, reduces impurity and generates.
Claims (3)
1. shell and tube ethylene oxide reactor that has quench zone, technical characterictic is that reactor top is the tubular reaction section, the bottom is a quench zone; The catalyst loading of conversion zone is at tube side, and water coolant is at shell side; The quench tube of reaction tubes and quench zone is a same tubulation; Conversion zone and quench zone are respectively established a high pressure steam bag; The cooling water inlet tube sheet of conversion zone and quench zone is a doubling plate.
2. according to a kind of shell and tube ethylene oxide reactor that has quench zone that claim 1 provided, it is characterized in that the laminate up and down of cooling water inlet tube sheet and tubulation full weld shut, top plate is a porous plate, percentage of open area is 2%～30%.
3. according to a kind of shell and tube ethylene oxide reactor that has quench zone that claim 1 provided, it is characterized in that the tubulation diameter is 25mm～57mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201770085U CN201301294Y (en) | 2008-11-03 | 2008-11-03 | Tube array type epoxy ethane reactor with quench zone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201770085U CN201301294Y (en) | 2008-11-03 | 2008-11-03 | Tube array type epoxy ethane reactor with quench zone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201301294Y true CN201301294Y (en) | 2009-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201770085U Expired - Fee Related CN201301294Y (en) | 2008-11-03 | 2008-11-03 | Tube array type epoxy ethane reactor with quench zone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201301294Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102905782A (en) * | 2010-03-17 | 2013-01-30 | 陶氏技术投资有限责任公司 | Catalytic fixed bed reactor for producing ethylene oxide by partial oxidation of ethylene |
| CN103537243A (en) * | 2013-10-30 | 2014-01-29 | 天津市化工设计院 | Device and method for removing reaction heat in acrolein oxidation |
| CN103542984A (en) * | 2013-10-30 | 2014-01-29 | 天津市化工设计院 | Simulated work condition detecting method for 50,000 ton/year methionine propylene oxidation reactor |
| CN105582859A (en) * | 2014-10-24 | 2016-05-18 | 中国石油化工股份有限公司 | Method of preparing ethanol amine through catalytic ammoniation |
| CN106732201A (en) * | 2017-01-05 | 2017-05-31 | 中石化上海工程有限公司 | Catalyst for Oxidative Coupling of Methane reactor |
-
2008
- 2008-11-03 CN CNU2008201770085U patent/CN201301294Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102905782A (en) * | 2010-03-17 | 2013-01-30 | 陶氏技术投资有限责任公司 | Catalytic fixed bed reactor for producing ethylene oxide by partial oxidation of ethylene |
| CN102905782B (en) * | 2010-03-17 | 2015-04-08 | 陶氏技术投资有限责任公司 | Catalytic fixed bed reactor for producing ethylene oxide by partial oxidation of ethylene |
| US9073034B2 (en) | 2010-03-17 | 2015-07-07 | Dow Technology Investments Llc | Efficient fixed bed platform for production of ethylene oxide by partial oxidation of ethylene using catalyst of wide selectivity |
| TWI496618B (en) * | 2010-03-17 | 2015-08-21 | Dow Technology Investments Llc | Efficient fixed bed platform for production of ethylene oxide by partial oxidation of ethylene using catalyst of wide selectivity |
| US10010856B2 (en) | 2010-03-17 | 2018-07-03 | Dow Technology Investments Llc | Efficient fixed bed platform for production of ethylene oxide by partial oxidation of ethylene using catalyst of wide selectivity |
| CN103537243A (en) * | 2013-10-30 | 2014-01-29 | 天津市化工设计院 | Device and method for removing reaction heat in acrolein oxidation |
| CN103542984A (en) * | 2013-10-30 | 2014-01-29 | 天津市化工设计院 | Simulated work condition detecting method for 50,000 ton/year methionine propylene oxidation reactor |
| CN103537243B (en) * | 2013-10-30 | 2015-11-11 | 天津市化工设计院 | Acrolein oxidation reaction heat moving-out device and method |
| CN105582859A (en) * | 2014-10-24 | 2016-05-18 | 中国石油化工股份有限公司 | Method of preparing ethanol amine through catalytic ammoniation |
| CN105582859B (en) * | 2014-10-24 | 2019-06-11 | 中国石油化工股份有限公司 | The method of catalytic ammoniation legal system ethanol amine |
| CN106732201A (en) * | 2017-01-05 | 2017-05-31 | 中石化上海工程有限公司 | Catalyst for Oxidative Coupling of Methane reactor |
| CN106732201B (en) * | 2017-01-05 | 2019-11-29 | 中石化上海工程有限公司 | Catalyst for Oxidative Coupling of Methane reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20121103 |