CN104772102A - Injection reaction device - Google Patents
Injection reaction device Download PDFInfo
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- CN104772102A CN104772102A CN201410020289.3A CN201410020289A CN104772102A CN 104772102 A CN104772102 A CN 104772102A CN 201410020289 A CN201410020289 A CN 201410020289A CN 104772102 A CN104772102 A CN 104772102A
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- preheater
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- pipe
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention belongs to the technical field of chemical equipment and relates to an injection reaction device. The injection reaction device comprises a reactor, a jet pump, a circulating pump, a preheater and a pipe mixture. The jet pump is installed in the reactor. The bottom of the reactor is connected to the circulating pump by a discharge pipe. The circulating pump is connected to an inlet of the preheater with a heat-conducting oil heating function by a conveying pipe. An outlet of the preheater is connected to an inlet of the pipe mixer. An outlet of the pipe mixer is connected to the jet pump. The side wall of the reactor is provided with a gas inlet. The outer wall of the preheater is provided with a heat exchange jacket. The heat exchange jacket is provided with a heat-conducting oil inlet and a heat-conducting oil outlet. Through vacuum negative pressure produced by the jet pump, introduced gas is fully mixed with a liquid so that mass transfer and heat transfer are improved, a reaction rate is accelerated, concentration and temperature distribution is improved, side effects are inhibited and reaction selectivity is improved.
Description
Technical field
The invention belongs to technical field of chemical, be specifically related to a kind of injection reaction unit.
Background technology
Gas liquid reaction is widely used in the chemical industry manufacturing industry of organic intermediate, and comprise alkoxylate, amination, carbonylation, hydrogenation and oxidation reaction etc., the reactor adopted has mechanical stirred-tank reactor, fixed bed reactors and injection reactor.
Traditional industrial reactor, as stirred tank reactor and fixed bed reactors all exist certain defect.The mixing speed of stirred tank reactor has certain restriction to the mixability of material in reactor, and mass transfer effect is general, containing moving component, requires higher to the sealing property of reactor; And fixed bed reactors there is reaction time length, mass transfer and heat-transfer effect is poor, easily the inevitable shortcomings such as temperature runaway occur.
Summary of the invention
The object of the invention is to solve the problems of the technologies described above and a kind of injection reaction unit is provided.
For achieving the above object, the present invention adopts lower technical scheme:
A kind of injection reaction unit, comprises reactor, jet pump, circulating pump, preheater, pipe-line mixer; Described jet pump is arranged in described reactor, the bottom of described reactor connects described circulating pump by discharge tube, described circulating pump connects the described preheater import with heat-conducting oil heating by carrier pipe, described preheater outlet connects described pipe-line mixer entrance, described pipe-line mixer outlet connects described jet pump, described reactor sidewall is provided with gas feed, and described preheater outer wall is provided with heat exchange jacket, and described heat exchange jacket has heat conductive oil inlet and outlet.
The front end of the described preheater with heat-conducting oil heating arranges material and catalyst feeds.
Described injection reaction unit comprises filter, described filter comprises shell, is provided with plate filter element in described shell, and the inlet of described filter connects with described circulating pump liquid outlet, described filter liquid outlet connects with described preheater import, and described filter is provided with purified liquor outlet.
The present invention is by being arranged in described reactor by jet pump, the bottom of described reactor connects described circulating pump by discharge tube, described circulating pump connects the import of described preheater by carrier pipe, the outlet of described preheater connects the entrance of described pipe-line mixer, the outlet of described pipe-line mixer connects described jet pump, the sidewall of described reactor is provided with gas feed, the described preheater with heat-conducting oil heating comprises heat exchanger tube, described heat exchanger tube outer wall is provided with heat exchange jacket, described heat exchange jacket has heat conductive oil inlet and conduction oil outlet, the gas of introducing fully mixes with liquid by the negative pressure of vacuum that can make full use of the generation of described jet pump, be conducive to strengthening heat and mass transport, accelerate reaction rate, improve concentration and Temperature Distribution, suppress side reaction, improve the selective of reaction.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the injection reaction unit that the embodiment of the present invention provides.
Detailed description of the invention
Below, in conjunction with example, substantive distinguishing features of the present invention and advantage are further described, but the present invention is not limited to listed embodiment.
Refer to Fig. 1, a kind of injection reaction unit, comprises reactor 1, jet pump 2, circulating pump 3, preheater 5, pipe-line mixer 9; Described jet pump 2 is arranged in described reactor 1, the bottom of described reactor 1 connects described circulating pump 3 by discharge tube, described circulating pump 3 connects the import of described preheater 5 by carrier pipe, the outlet of described preheater 5 connects the entrance of described pipe-line mixer 9, the outlet of described pipe-line mixer 9 connects described jet pump 2, and the sidewall of described reactor 1 is provided with gas feed 6.
Described preheater 5 comprises heat exchanger tube, outside described heat exchanger tube, there is heat exchange jacket, described heat exchange jacket is provided with heat conductive oil inlet and conduction oil outlet, the conduction oil of constant temperature is introduced by described heat conductive oil inlet, preheating is carried out to the liquid entered in Tube Sheet of Heat Exchanger, conduction oil after heat exchange flows back to hot oil heater through conduction oil outlet circulation, forms circulation.
The front end of described preheater 5 arranges material and catalyst feeds 8.
Further, the outer wall of the connecting line of described heat exchanger 5 and described jet pump 2 is provided with adiabator layer.
Described injection reaction unit comprises filter 4, described filter 4 comprises shell, plate filter element is provided with in described shell, the inlet of described filter connects with described circulation delivery side of pump, the liquid outlet of described filter connects with the import of described preheater, and described filter is provided with purified liquor outlet 7.
When carrying out gas-liquid-solid reaction, the discharging of described reactor is through the filtering and concentrating of described filter, and after filtering, outlet clear liquid is products obtained therefrom, and concentrate enters conduction oil preheater and enters cyclic process; When only carrying out gas liquid reaction, the discharging of reactor directly enters heat exchanger after circulating pump.
The present invention is by being arranged in described reactor by jet pump, the bottom of described reactor connects described circulating pump by discharge tube, described circulating pump connects the import of described preheater by carrier pipe, the outlet of described preheater connects the entrance of described pipe-line mixer, the outlet of described pipe-line mixer connects described jet pump, the sidewall of described reactor is provided with gas feed, the described preheater with heat-conducting oil heating comprises heat exchanger tube, described heat exchanger tube outer wall is provided with heat exchange jacket, described heat exchange jacket has heat conductive oil inlet and conduction oil outlet, the gas of introducing fully mixes with liquid by the negative pressure of vacuum that can make full use of the generation of described jet pump, be conducive to strengthening heat and mass transport, accelerate reaction rate, improve concentration and Temperature Distribution, suppress side reaction, improve the selective of reaction.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. spray a reaction unit, it is characterized in that, comprise reactor, jet pump, circulating pump, preheater, pipe-line mixer; Described jet pump is arranged in described reactor, the bottom of described reactor connects described circulating pump by discharge tube, described circulating pump connects the described preheater import with heat-conducting oil heating by carrier pipe, described preheater outlet connects described pipe-line mixer entrance, described pipe-line mixer outlet connects described jet pump, described reactor sidewall is provided with gas feed, and described preheater outer wall is provided with heat exchange jacket, and described heat exchange jacket has heat conductive oil inlet and outlet.
2. one sprays reaction unit according to claim 1, and it is characterized in that, the front end of described preheater arranges material and catalyst feeds.
3. a kind of injection reaction unit according to claim 1 or 2, it is characterized in that, comprise filter, described filter comprises shell, plate filter element is provided with in described shell, the inlet of described filter connects with the liquid outlet of described circulating pump, and the liquid outlet of described filter connects with the import of described preheater, and described filter is provided with purified liquor outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410020289.3A CN104772102A (en) | 2014-01-15 | 2014-01-15 | Injection reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410020289.3A CN104772102A (en) | 2014-01-15 | 2014-01-15 | Injection reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104772102A true CN104772102A (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410020289.3A Pending CN104772102A (en) | 2014-01-15 | 2014-01-15 | Injection reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104772102A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106008142A (en) * | 2016-06-29 | 2016-10-12 | 山东道可化学有限公司 | Device and method for preparing 1,3-bromochloropropane |
| CN108772030A (en) * | 2018-08-10 | 2018-11-09 | 林德添 | A kind of chemical industry equipment temperature control device with warning device |
-
2014
- 2014-01-15 CN CN201410020289.3A patent/CN104772102A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106008142A (en) * | 2016-06-29 | 2016-10-12 | 山东道可化学有限公司 | Device and method for preparing 1,3-bromochloropropane |
| CN106008142B (en) * | 2016-06-29 | 2018-09-07 | 山东道可化学有限公司 | A kind of device and method preparing 1,3- bromo-chloropropanes |
| CN108772030A (en) * | 2018-08-10 | 2018-11-09 | 林德添 | A kind of chemical industry equipment temperature control device with warning device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150715 |
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| WD01 | Invention patent application deemed withdrawn after publication |