CN208526643U - A kind of methylphenylamine catalyst activation constant temperature heating device - Google Patents
A kind of methylphenylamine catalyst activation constant temperature heating device Download PDFInfo
- Publication number
- CN208526643U CN208526643U CN201820859060.2U CN201820859060U CN208526643U CN 208526643 U CN208526643 U CN 208526643U CN 201820859060 U CN201820859060 U CN 201820859060U CN 208526643 U CN208526643 U CN 208526643U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- outlet
- heat
- connect
- reactor
- 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.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 41
- 239000003054 catalyst Substances 0.000 title claims abstract description 39
- 230000004913 activation Effects 0.000 title claims abstract description 33
- AFBPFSWMIHJQDM-UHFFFAOYSA-N N-methylaniline Chemical compound CNC1=CC=CC=C1 AFBPFSWMIHJQDM-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000003507 refrigerant Substances 0.000 claims abstract description 24
- 230000008676 import Effects 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000001994 activation Methods 0.000 description 29
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RZSYLLSAWYUBPE-UHFFFAOYSA-L Fast green FCF Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC(O)=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 RZSYLLSAWYUBPE-UHFFFAOYSA-L 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000986 disperse dye Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003254 gasoline additive Substances 0.000 description 1
- 230000001035 methylating effect Effects 0.000 description 1
- 230000011987 methylation Effects 0.000 description 1
- 238000007069 methylation reaction Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000979 synthetic dye Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a kind of methylphenylamine catalyst activation constant temperature heating device, including at least one heat exchanger, the refrigerant exit of each heat exchanger is connect with the import of reactor；The heating agent outlet of each heat exchanger is connect with the import of heat-conducting oil furnace；The Heating medium of each heat exchanger is connect with the outlet of heat-conducting oil furnace；The refrigerant inlet of each heat exchanger is connect with the outlet of circulating pump, the import of circulating pump is connected by the outlet of surge tank and reactor, wherein temperature sensor is provided between the import of the refrigerant exit and reactor of each heat exchanger, electronic control flow valve is provided between the outlet of the Heating medium and heat-conducting oil furnace of each heat exchanger, the opening size of each electronic control flow valve is controlled by corresponding temperature sensor.The utility model structure is simple, easy to connect, and can protect each catalyst can smoothly activate success, reduces activation risk, to reach reduction production cost, increases benefit, realizes company's sustainable development.
Description
Technical field
The utility model relates to a kind of heating devices, more specifically to a kind of methylphenylamine catalyst activation constant temperature
Heating device.
Background technique
Methylphenylamine is important the intermediate of organic synthetic dye, is widely used in synthesis disperse dyes, cation combustion
The dye fields such as material, while being the important source material of pesticide, medicine, rubber chemicals and explosive stabilizer again, it also acts as unleaded
Advanced and all-purpose gasoline additive and solvent.Methylphenylamine generally is reacted to obtain by aniline with N- methylating reagent.Due to
The methylphenylamine generated in reaction process toward contact can further N- methylation and generate n,N-Dimethylaniline, it is therefore desirable to
A kind of highly selective production methylphenylamine of energy, and reaction condition is mild, the fast green synthesis process of conversion rate, is used to thorough
Bottom replaces the serious conventional production methods of three-waste pollution.
At present in country's methylphenylamine process units, water, methanol activation is usually used in the industrialization of copper system media reductive
Either restored using low hydrogen.The comparison of two kinds of activation protocols was done by my company.Water, methanol activation after catalyst, conversion ratio compared with
Height, selectivity is good, and by-product is less, but service life is relatively weaker, and it is obviously poor just to have started output product coloration；And it is low
Catalyst after hydrogen reduction activation, activity is high, and conversion ratio is good, but selectivity is slightly poor, and by-product is more, and product coloration is good.But regardless of
Using which kind of activation method, in activation process, how stability contorting activation temperature is extremely important.Particularly with big device
For, a furnace catalyst is tens up to a million easily, once generating temperature runaway phenomenon in activation process, loses inestimable.Therefore, for
100,000 tons of big reaction units of methylphenylamine of our company, there is an urgent need to research and develop a kind of methylphenylamine catalyst activation heated at constant temperature work
Skill.
Summary of the invention
1. utility model technical problems to be solved
The purpose of the utility model is to overcome above-mentioned deficiency, provides a kind of methylphenylamine catalyst activation constant temperature and add
Thermal, using the technical solution of the utility model, structure is simple, easy to connect, can be realized to catalyst temperature stability contorting
Purpose, can protect each catalyst can smoothly activate success, reduce activation risk, to reach reduction production cost, increase effect
Benefit realizes company's sustainable development.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of methylphenylamine catalyst activation constant temperature heating device of the utility model, including at least one heat exchanger, often
The refrigerant exit of a heat exchanger is connect with the import of reactor；The heating agent outlet of the heat exchanger with lead
The import of hot oil furnace connects；The Heating medium of each heat exchanger is connect with the outlet of heat-conducting oil furnace；Described in each
The refrigerant inlet of heat exchanger is connect with the outlet of circulating pump, and the import of circulating pump is connected by the outlet of surge tank and reactor
It connects, wherein temperature sensor is provided between the import of the refrigerant exit and reactor of each heat exchanger, each heat exchanger
Electronic control flow valve is provided between Heating medium and the outlet of heat-conducting oil furnace, the aperture of each electronic control flow valve is big
It is small to be controlled by corresponding temperature sensor.
Further, between the Heating medium and heat-conducting oil furnace of the heat exchanger, the outlet of the heating agent of heat exchanger and lead
Between hot oil furnace, between the refrigerant inlet and circulating pump of heat exchanger, between the refrigerant exit and reactor of heat exchanger, reactor with
Flanged joint is all made of between surge tank between surge tank and circulating pump.
Further, there are two heat exchanger settings.
Further, the surge tank is equipped with safety valve.
3. beneficial effect
It is had the following beneficial effects: compared with existing well-known technique using technical solution provided by the utility model
(1) a kind of methylphenylamine catalyst activation constant temperature heating device of the utility model, the import of reactor with change
The refrigerant exit of hot device connects, and the outlet of the Heating medium and heat-conducting oil furnace of heat exchanger connects, wherein the import of reactor with change
Temperature sensor is set between the refrigerant exit of hot device, electronics is set between the outlet of the Heating medium and heat-conducting oil furnace of heat exchanger
Flow valve is controlled, the opening size of electronic control flow valve controls by temperature sensor, and structure is simple, easy to connect, when use
Conduction oil exchanges heat with catalyst, so that catalyst enters activation in reactor, after temperature sensor real-time detection to heat exchange
The temperature that temperature sensor measures is compared with temperature needed for catalyst activation, is controlled according to comparison result by the temperature of catalyst
The opening size of electronic control flow valve realizes manufacture automatic control, production efficiency with higher, it is ensured that catalyst is activating
In the process will not overtemperature to ensure that the safety of catalyst activation realize the reliability of catalyst activation；
(2) a kind of methylphenylamine catalyst activation constant temperature heating device of the utility model, the import of surge tank pass through
The refrigerant inlet of the connection of the refrigerant exit of reactor and heat exchanger, heat exchanger is connected by the outlet of circulating pump and surge tank, is made
It obtains heated conduction oil and returns to surge tank, the loss of circulating pump can not only be reduced, and the oil gas that band comes can be drained, also can
Eliminate the unstability of conveying conduction oil material, it is ensured that the stabilization of conduction oil offer heating amount；
(3) a kind of methylphenylamine catalyst activation constant temperature heating device of the utility model, the Heating medium of heat exchanger
Between heat-conducting oil furnace, between the outlet of the heating agent of heat exchanger and heat-conducting oil furnace, between the refrigerant inlet and circulating pump of heat exchanger, change
Flange company is all made of between the refrigerant exit and reactor of hot device, between reactor and surge tank between surge tank and circulating pump
It connects, easy to disassemble, maintenance and replacement.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of methylphenylamine catalyst activation constant temperature heating device of the utility model.
Label declaration in schematic diagram: 1, heat-conducting oil furnace；2, heat exchanger；3, reactor；4, surge tank；5, circulating pump；6,
Electronic control flow valve；7, temperature sensor；8, safety valve.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
In conjunction with Fig. 1, a kind of methylphenylamine catalyst activation constant temperature heating device of the present embodiment, including at least one heat exchange
Device 2, in the present embodiment there are two the settings of heat exchanger 2；The refrigerant exit of each heat exchanger 2 is connect with the import of reactor 3；Often
The heating agent outlet of a heat exchanger 2 is connect with the import of heat-conducting oil furnace 1；The Heating medium of each heat exchanger 2 with heat-conducting oil furnace 1
Outlet connection；The refrigerant inlet of each heat exchanger 2 is connect with the outlet of circulating pump 5, and the import of circulating pump 5 passes through surge tank
4 connect with the outlet of reactor 3, and the presence of surge tank 4 can not only reduce the loss of circulating pump, and can drain the oil that band comes
Gas can also eliminate the unstability of conveying conduction oil material, it is ensured that the stabilization of conduction oil offer heating amount；Wherein on surge tank 4
Equipped with safety valve 8；It is provided with temperature sensor 7 between the import of the refrigerant exit and reactor 3 of each heat exchanger 2, each
Electronic control flow valve 6, each electronic control stream are provided between the outlet of the Heating medium and heat-conducting oil furnace 1 of heat exchanger 2
The opening size of amount valve 6 is controlled by corresponding temperature sensor 7, and structure is simple, easy to connect, when use conduction oil and catalyst into
Row heat exchange, the catalyst after heating enter in reactor, will be warm by the temperature of catalyst after temperature sensor real-time detection to heat exchange
The temperature that degree sensor measures controls electronic control flow valve compared with temperature needed for catalyst activation, according to comparison result
Opening size, realize manufacture automatic control, production efficiency with higher, it is ensured that catalyst in activation process will not overtemperature,
To ensure that the safety of catalyst activation, the reliability of catalyst activation is realized；The Heating medium and heat-conducting oil furnace of heat exchanger 2
Between 1, between the outlet of the heating agent of heat exchanger 2 and heat-conducting oil furnace 1, between the refrigerant inlet of heat exchanger 2 and circulating pump 5, heat exchanger 2
Refrigerant exit and reactor 3 between, between reactor 3 and surge tank 4 be all made of flange between surge tank 4 and circulating pump 5
Connection, easy to disassemble, maintenance and replacement.
A kind of methylphenylamine catalyst activation constant temperature heating device of the utility model, structure is simple, easy to connect, can
Realize the purpose to catalyst temperature stability contorting, can protect each catalyst can smoothly activate success, activation risk be reduced, to reach
To production cost is reduced, increase benefit, realizes company's sustainable development.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (4)
1. a kind of methylphenylamine catalyst activation constant temperature heating device, it is characterised in that: including at least one heat exchanger (2), often
The refrigerant exit of a heat exchanger (2) is connect with the import of reactor (3)；The heating agent of each heat exchanger (2)
Outlet is connect with the import of heat-conducting oil furnace (1)；The Heating medium of the heat exchanger (2) with heat-conducting oil furnace (1)
Outlet connection；The refrigerant inlet of each heat exchanger (2) is connect with the outlet of circulating pump (5), the import of circulating pump (5)
Connect by surge tank (4) with the outlet of reactor (3), wherein the refrigerant exit of each heat exchanger (2) and reactor (3) into
It is provided with temperature sensor (7) between mouthful, between the outlet of the Heating medium and heat-conducting oil furnace (1) of each heat exchanger (2)
It is provided with electronic control flow valve (6), the opening size of each electronic control flow valve (6) is by corresponding temperature sensor (7)
Control.
2. a kind of methylphenylamine catalyst activation constant temperature heating device according to claim 1, it is characterised in that: described
Between the Heating medium and heat-conducting oil furnace (1) of heat exchanger (2), the heating agent of heat exchanger (2) outlet heat-conducting oil furnace (1) between, change
Between the refrigerant inlet and circulating pump (5) of hot device (2), between the refrigerant exit of heat exchanger (2) and reactor (3), reactor (3)
Flanged joint is all made of between surge tank (4) and circulating pump (5) between surge tank (4).
3. a kind of methylphenylamine catalyst activation constant temperature heating device according to claim 2, it is characterised in that: described
There are two heat exchanger (2) settings.
4. a kind of methylphenylamine catalyst activation constant temperature heating device according to claim 3, it is characterised in that: described
Surge tank (4) is equipped with safety valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820859060.2U CN208526643U (en) | 2018-06-05 | 2018-06-05 | A kind of methylphenylamine catalyst activation constant temperature heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820859060.2U CN208526643U (en) | 2018-06-05 | 2018-06-05 | A kind of methylphenylamine catalyst activation constant temperature heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208526643U true CN208526643U (en) | 2019-02-22 |
Family
ID=65382951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820859060.2U Active CN208526643U (en) | 2018-06-05 | 2018-06-05 | A kind of methylphenylamine catalyst activation constant temperature heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208526643U (en) |
-
2018
- 2018-06-05 CN CN201820859060.2U patent/CN208526643U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103333290B (en) | A kind of micro passage reaction continuous production processes of hydrogenated nitrile-butadiene rubber | |
| CN208526643U (en) | A kind of methylphenylamine catalyst activation constant temperature heating device | |
| CN205740829U (en) | Extend methylamine catalyst and use the catalyst application apparatus in cycle | |
| CN203525676U (en) | Gas-liquid double-cycle reaction device for preparing glyoxylic acid by using oxygen oxidation method | |
| CN107961755A (en) | A kind of azo dyes coupling reaction continuous production device and production method | |
| CN104567440A (en) | Thermal energy recovery device and alignment film curing system | |
| CN203508023U (en) | Production device adopting gas-liquid mixing tubular cooling reaction for preparing glyoxylic acid | |
| CN212215471U (en) | Temperature adjusting system of reaction kettle | |
| CN208819991U (en) | A kind of fuel cell invariable power radiator | |
| CN204656501U (en) | A kind of fixed-bed reactor efficiently preparing 9-Fluorenone | |
| CN203448100U (en) | Residue circulating reaction device for preparing glyoxylic acid by oxygen oxidization method | |
| CN210855262U (en) | Methanol reforming hydrogen production system | |
| CN113578242A (en) | Chemical product production system | |
| CN216890854U (en) | Supercritical energy-saving production system suitable for biodiesel | |
| CN208449317U (en) | A kind of homogeneous plug flow quick reaction device | |
| CN207805585U (en) | A kind of device to heat-sensitive materials heating | |
| CN205340800U (en) | Reation kettle heating control device | |
| CN202361661U (en) | Direct water circulating-type balcony-hanging solar water heater | |
| CN104772102A (en) | Injection reaction device | |
| CN205672898U (en) | A kind of biopharmaceutical containers device | |
| CN105237357B (en) | A kind of hydrogenation reaction device | |
| CN205495552U (en) | Energy -conserving high -efficient type tubular reactor | |
| CN205308311U (en) | Environmental protection electricity heating jacket reation kettle | |
| CN210079486U (en) | Cyaniding continuous reactor | |
| CN216605230U (en) | Chemical product production system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230820 Address after: No. 1 Weihua Road, Xinbei District, Changzhou City, Jiangsu Province, 213127 Patentee after: Jiangsu Jingying Chemical New Materials Co.,Ltd. Address before: No. 1 Weihua Road, Xinbei District, Changzhou City, Jiangsu Province, 213001 Patentee before: CHANGZHOU BAOLONG CHEMICALS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 1 Weihua Road, Xinbei District, Changzhou City, Jiangsu Province, 213127 Patentee after: Jiangsu Jingying New Materials Co.,Ltd. Address before: No. 1 Weihua Road, Xinbei District, Changzhou City, Jiangsu Province, 213127 Patentee before: Jiangsu Jingying Chemical New Materials Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |