CN105107222A - Circulating pyrolysis gas quenching device - Google Patents
Circulating pyrolysis gas quenching device Download PDFInfo
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- CN105107222A CN105107222A CN201510592074.3A CN201510592074A CN105107222A CN 105107222 A CN105107222 A CN 105107222A CN 201510592074 A CN201510592074 A CN 201510592074A CN 105107222 A CN105107222 A CN 105107222A
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- acetic acid
- import
- pyrolysis gas
- discharge nozzle
- quencher
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Abstract
The invention relates to a circulating pyrolysis gas quenching device and belongs to the field of chemical engineering processing equipment. The circulating pyrolysis gas quenching device comprises a quencher, and the quencher is provided with an acetic acid pyrolysis gas feeding pipe, an ethenone discharging pipe, a cooling water inlet pipe, a cooling water return pipe and a non-pyrolyzed acetic acid discharging pipe. The other end of the non-pyrolyzed acetic acid discharging pipe is connected with a three-way valve, the three-way valve is further connected with a discharging pipe and a recycling pipe, the recycling pipe is connected with a small resistance furnace for re-processing non-pyrolyzed acetic acid into acetic acid pyrolysis gas, the small resistance furnace is provided with a secondary discharging pipe, and the secondary discharging pipe is connected with the acetic acid pyrolysis gas feeding pipe. The circulating pyrolysis gas quenching device has the advantages that remaining acetic acid in a reaction is re-synthesized into the acetic acid pyrolysis gas to be input into the quencher again, and the whole process does not interfere with the acetic acid pyrolysis gas directly conveyed in the outside world.
Description
Technical field
The invention belongs to chemical industry process equipment field, particularly relate to a kind of circulating pyrolysis gas fast cooling device.
Background technology
Acetic acid cracking gas is used in the synthesis technique of ketenes, and acetic acid cracking gas can not ensure 100% complete reaction in quencher, the acetic acid flowed out from recovery tube so just must carry out recovery and collect, then be again transported in related process and re-use, production efficiency will be reduced like this, so need a kind of acetic acid by recovery of design directly again to apply in synthetic reaction, and do not need the production equipment of temporarily storage.
Summary of the invention
The invention provides a kind of circulating pyrolysis gas fast cooling device for the deficiencies in the prior art part, cracking acetic acid can be recycling as and react, thus improve the reaction efficiency of raw material.
Technical scheme of the present invention is to provide a kind of circulating pyrolysis gas fast cooling device, comprise quencher, described quencher is provided with acetic acid cracking gas feed pipe, ketenes discharge nozzle, cooling water inlet pipe, CWR, uncracked acetic acid discharge nozzle, the other end of described uncracked acetic acid discharge nozzle is connected with triple valve, triple valve described in described triple valve is also connected with discharge pipe and recovery tube, described recovery tube is connected with the miniature resistance stove for uncracked acetic acid being processed into again acetic acid cracking gas, described miniature resistance stove is provided with secondary discharge nozzle, described secondary discharge nozzle is connected with described acetic acid cracking gas feed pipe.
As preferably of the present invention, described secondary discharge nozzle is connected with described acetic acid cracking gas feed pipe by three way type air-pressure type control valve, described three way type air-pressure type control valve is also connected with the carrier pipe for carrying acetic acid cracking gas.
As preferably of the present invention, described three way type air-pressure type control valve comprises main valve body, described main valve body offers the first import, second import and outlet, the first described import and the second described import are oppositely arranged, described outlet is arranged between the first described import and the second described import, be provided with between the first described import and the second described import and rotate movable valve plate to gas flow direction, described the first described import and the second described import be provided with baffle seal portion towards described outlet side, described baffle seal portion is provided with arc rail part towards described outlet side, the radius of described arc rail part is equal with the radius of gyration of described rotation movable valve plate, outlet passageway is provided with between being arranged between the described arc rail part of described first import side and the described arc rail part being arranged on described second import side.
As preferably of the present invention, described quencher is divided into upper, middle and lower segment, and stage casing is cylindric, and upper and lower two sections is hemispherical.
As preferably of the present invention, the stage casing of described quencher is all located at by described acetic acid cracking gas feed pipe and described ketenes discharge nozzle; Described CWR is located at described quencher epimere top; Described cooling water inlet pipe is located at described top, quencher stage casing; Described uncracked acetic acid discharge nozzle is located at bottom described quencher hypomere.
As preferably of the present invention, described ketenes discharge nozzle is provided with thermometer.
As preferably of the present invention, described ketenes discharge nozzle is provided with ball valve.
As preferably of the present invention, described cooling water inlet pipe and CWR are all provided with gate valve.
The present invention has following beneficial effect:
The present invention have effectively to make use of in reaction residual acetic acid again acetic acid synthesized cracking gas re-enter to quencher, and the advantage that the acetic acid cracking gas that whole process is not directly carried with the external world conflicts.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
In figure, 1-quencher; 2-acetic acid cracking gas feed pipe; 3-ketenes discharge nozzle; 4-cooling water inlet pipe; 5-CWR; The uncracked acetic acid discharge nozzle of 6-; 7-triple valve; 8-discharge pipe; 9-recovery tube; 10-miniature resistance stove; 11-No. bis-discharge nozzles; 12-three way type air-pressure type control valve; 13-carrier pipe; 1201-main valve body; 1202-first import; 1203-second import; 1204-exports; 1205-rotates movable valve plate; 1206-baffle seal portion; 1207-arc rail part; 1208-outlet passageway; 14-thermometer; 15-ball valve; 16-gate valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, the embodiment of the present invention comprises quencher 1, quencher 1 is provided with acetic acid cracking gas feed pipe 2, ketenes discharge nozzle 3, cooling water inlet pipe 4, CWR 5, uncracked acetic acid discharge nozzle 6, the other end of uncracked acetic acid discharge nozzle 6 is connected with triple valve 7, triple valve 7 triple valve 7 is also connected with discharge pipe 8 and recovery tube 9, recovery tube 9 is connected with the miniature resistance stove 10 for uncracked acetic acid being processed into again acetic acid cracking gas, miniature resistance stove 10 is provided with secondary discharge nozzle 11, secondary discharge nozzle 11 is connected with acetic acid cracking gas feed pipe 2.Ketenes discharge nozzle 3 is provided with thermometer 14.Ketenes discharge nozzle 3 is provided with ball valve 15.Cooling water inlet pipe 4 and both CWRs 5 are all provided with gate valve 16.
As shown in Figure 1, embodiment of the present invention secondary discharge nozzle 11 is connected with acetic acid cracking gas feed pipe 2 by three way type air-pressure type control valve 12, three way type air-pressure type control valve 12 is also connected with the carrier pipe 13 for carrying acetic acid cracking gas.Three way type air-pressure type control valve 12 comprises main valve body 1201, main valve body 1201 offers the first import 1202, second import 1203 and outlet 1204, first import 1202 and the second import 1203 are oppositely arranged, outlet 1204 is arranged between the first import 1202 and the second import 1203, be provided with between first import 1202 and the second import 1203 and rotate movable valve plate 1205 to gas flow direction, first import 1202 and the second import 1203 be provided with baffle seal portion 1206 towards outlet 1204 side, baffle seal portion 1206 is provided with arc rail part 1207 towards outlet 1204 side, the radius of arc rail part 1207 is equal with the radius of gyration rotating movable valve plate 1205, outlet passageway 1208 is provided with between being arranged between the arc rail part 1207 of the first import 1202 side and the arc rail part 1207 being arranged on the second import 1203 side.
As shown in Figure 1, embodiment of the present invention quencher 1 is divided into upper, middle and lower segment, and stage casing is cylindric, and upper and lower two sections is hemispherical.The stage casing of quencher 1 is all located at by acetic acid cracking gas feed pipe 2 and ketenes discharge nozzle 3; CWR 5 is located at quencher 1 epimere top; Cooling water inlet pipe 4 is located at top, quencher 1 stage casing; Uncracked acetic acid discharge nozzle 6 is located at bottom quencher 1 hypomere.
Embodiment recited above is only be described the preferred embodiment of the present invention, not limits the spirit and scope of the present invention.Under the prerequisite not departing from design concept of the present invention; the various modification that this area ordinary person makes technical scheme of the present invention and improvement; all should drop into protection scope of the present invention, the technology contents of request protection of the present invention, all records in detail in the claims.
Claims (8)
1. a circulating pyrolysis gas fast cooling device, comprise quencher (1), described quencher (1) is provided with acetic acid cracking gas feed pipe (2), ketenes discharge nozzle (3), cooling water inlet pipe (4), CWR (5), uncracked acetic acid discharge nozzle (6), it is characterized in that: the other end of described uncracked acetic acid discharge nozzle (6) is connected with triple valve (7), described triple valve (7) described triple valve (7) is also connected with discharge pipe (8) and recovery tube (9), described recovery tube (9) is connected with the miniature resistance stove (10) for uncracked acetic acid being processed into again acetic acid cracking gas, described miniature resistance stove (10) is provided with secondary discharge nozzle (11), described secondary discharge nozzle (11) is connected with described acetic acid cracking gas feed pipe (2).
2. a kind of circulating pyrolysis gas fast cooling device according to claim 1, it is characterized in that: described secondary discharge nozzle (11) is connected with described acetic acid cracking gas feed pipe (2) by three way type air-pressure type control valve (12), described three way type air-pressure type control valve (12) being also connected with the carrier pipe (13) for carrying acetic acid cracking gas.
3. a kind of circulating pyrolysis gas fast cooling device according to claim 2, it is characterized in that: described three way type air-pressure type control valve (12) comprises main valve body (1201), described main valve body (1201) offers the first import (1202), second import (1203) and outlet (1204), described the first import (1202) and described the second import (1203) are oppositely arranged, described outlet (1204) is arranged between described the first import (1202) and described the second import (1203), be provided with between described the first import (1202) and described the second import (1203) and rotate movable valve plate (1205) to gas flow direction, described described the first import (1202) and described the second import (1203) be provided with baffle seal portion (1206) towards described outlet (1204) side, described baffle seal portion (1206) is provided with arc rail part (1207) towards described outlet (1204) side, the radius of described arc rail part (1207) is equal with the radius of gyration of described rotation movable valve plate (1205), outlet passageway (1208) is provided with between being arranged between the described arc rail part (1207) of described first import (1202) side and the described arc rail part (1207) being arranged on described second import (1203) side.
4. a kind of circulating pyrolysis gas fast cooling device according to claim 1, is characterized in that: described quencher (1) is divided into upper, middle and lower segment, and stage casing is cylindric, and upper and lower two sections is hemispherical.
5. a kind of circulating pyrolysis gas fast cooling device according to claim 4, is characterized in that: the stage casing of described quencher (1) is all located at by described acetic acid cracking gas feed pipe (2) and described ketenes discharge nozzle (3); Described CWR (5) is located at described quencher (1) epimere top; Described cooling water inlet pipe (4) is located at described quencher (1) top, stage casing; Described uncracked acetic acid discharge nozzle (6) is located at bottom described quencher (1) hypomere.
6. a kind of circulating pyrolysis gas fast cooling device according to claim 1, is characterized in that: described ketenes discharge nozzle (3) is provided with thermometer (14).
7. a kind of circulating pyrolysis gas fast cooling device according to claim 1, is characterized in that: described ketenes discharge nozzle (3) is provided with ball valve (15).
8. a kind of circulating pyrolysis gas fast cooling device according to claim 1, is characterized in that: both are provided with gate valve (16) for described cooling water inlet pipe (4) and CWR (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510592074.3A CN105107222B (en) | 2015-09-17 | 2015-09-17 | A kind of circulating pyrolysis gas fast cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510592074.3A CN105107222B (en) | 2015-09-17 | 2015-09-17 | A kind of circulating pyrolysis gas fast cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105107222A true CN105107222A (en) | 2015-12-02 |
| CN105107222B CN105107222B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510592074.3A Expired - Fee Related CN105107222B (en) | 2015-09-17 | 2015-09-17 | A kind of circulating pyrolysis gas fast cooling device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1087163A (en) * | 1964-03-23 | 1967-10-11 | Celanese Corp | Production of ketene |
| US20060041162A1 (en) * | 2004-08-18 | 2006-02-23 | Warner R J | Acetic anhydride and acetate ester co-production |
| CN101161624A (en) * | 2007-11-28 | 2008-04-16 | 上海吴泾化工有限公司 | Cracking gas carbon formation liquid removing method and carbon formation liquid remover |
| CN201744182U (en) * | 2010-07-28 | 2011-02-16 | 湖州新奥特医药化工有限公司 | Cooling separator structure for preparing acetyl acetone |
| CN201744184U (en) * | 2010-07-28 | 2011-02-16 | 湖州新奥特医药化工有限公司 | Quencher structure for preparing acetylacetone |
| CN104402670A (en) * | 2014-09-27 | 2015-03-11 | 安徽金禾实业股份有限公司 | Clean production method of diketene |
| CN104592172A (en) * | 2015-01-08 | 2015-05-06 | 青岛科技大学 | Diketene preparation device and diketene preparation method |
| CN204932922U (en) * | 2015-09-17 | 2016-01-06 | 湖州新奥特医药化工有限公司 | A kind of circulating pyrolysis gas fast cooling device |
-
2015
- 2015-09-17 CN CN201510592074.3A patent/CN105107222B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1087163A (en) * | 1964-03-23 | 1967-10-11 | Celanese Corp | Production of ketene |
| US20060041162A1 (en) * | 2004-08-18 | 2006-02-23 | Warner R J | Acetic anhydride and acetate ester co-production |
| CN101161624A (en) * | 2007-11-28 | 2008-04-16 | 上海吴泾化工有限公司 | Cracking gas carbon formation liquid removing method and carbon formation liquid remover |
| CN201744182U (en) * | 2010-07-28 | 2011-02-16 | 湖州新奥特医药化工有限公司 | Cooling separator structure for preparing acetyl acetone |
| CN201744184U (en) * | 2010-07-28 | 2011-02-16 | 湖州新奥特医药化工有限公司 | Quencher structure for preparing acetylacetone |
| CN104402670A (en) * | 2014-09-27 | 2015-03-11 | 安徽金禾实业股份有限公司 | Clean production method of diketene |
| CN104592172A (en) * | 2015-01-08 | 2015-05-06 | 青岛科技大学 | Diketene preparation device and diketene preparation method |
| CN204932922U (en) * | 2015-09-17 | 2016-01-06 | 湖州新奥特医药化工有限公司 | A kind of circulating pyrolysis gas fast cooling device |
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| Publication number | Publication date |
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| CN105107222B (en) | 2017-03-29 |
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