CN203540552U - Adipic acid reactor - Google Patents
Adipic acid reactor Download PDFInfo
- Publication number
- CN203540552U CN203540552U CN201320705588.1U CN201320705588U CN203540552U CN 203540552 U CN203540552 U CN 203540552U CN 201320705588 U CN201320705588 U CN 201320705588U CN 203540552 U CN203540552 U CN 203540552U
- Authority
- CN
- China
- Prior art keywords
- reactor
- adipic acid
- pipe
- cooling coil
- interpolation pipe
- 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.)
- Expired - Lifetime
Links
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 235000011037 adipic acid Nutrition 0.000 title claims abstract description 23
- 239000001361 adipic acid Substances 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 239000011148 porous material Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000011938 amidation process Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses an adipic acid reactor which is a kettle type reactor. The adipic acid reactor comprises a cooling coil, a half tubular outer jacket, a material inner insert tube and a stirrer, wherein the cooling coil comprises an inner coil and a bottom inner coil; the cooling coil is arranged inside the reactor, the half tubular outer jacket is arranged on the side wall of the reactor and the outer side of a cone base, reaction mass is fed to the reactor from the top of the reactor through the material inner insert tube, and the stirrer is positioned at the middle of the reactor. In the adipic acid reactor, the cooling coil, the cooling jacket and an open pore of the inner insert tube are optimized, and the capacity, the safety and the stability of the reactor are improved.
Description
Technical field
The utility model relates to chemical industry equipment field, especially a kind of adipic acid reactor.
Background technology
Adipic acid, is commonly called as adipic acid, is loose shape granularity, and wider distribution, has some corrosivity, inflammable, explosive, easily produces static, and excess Temperature is the even rotten a kind of crystalline solid of softening caking easily, 151.9 ℃ of fusing points, 337.5 ℃ of boiling points, 196 ℃ of flash-points.Can there are salt-forming reaction, esterification, amidation process etc. in adipic acid, and can become high molecular polymer etc. with diamine or dihydroxylic alcohols polycondensation.Adipic acid is as a kind of organic synthesis intermediate, be mainly used in synthetic nylon 66(salt), polyurethane and plasticizer, also can be used for producing senior lubricant, food additives, medicine intermediate, essence and flavoring agent controlling agent, novel monocrystal material, plastics blowing agent, coating, adhesive, pesticide, dyestuff etc.
Reaction system belongs to core process in adipic acid production process.The situations such as for adipic acid reactor, its exploitation, to improve, improve what will pay close attention to especially be the factors such as reactor production capacity, stability and safety, as design the unreasonable production declining that may occur, production capacity is unstable.Therefore, the design principle of reactor is to improve as far as possible reliability, reasonability.
Traditional adipic acid reactor is tank reactor, and inside reactor is with inner coil pipe, and shell is without chuck.Perforate on material interpolation pipe concentrates on interpolation pipe bottom.Such design exists reactor heat exchange amount limited, and the mixing of material in reactor disperses more concentrated deficiency.
Utility model content
The problem that the utility model exists in order to solve prior art, provides a kind of production capacity that can improve adipic acid reactor, reduces the adipic acid reactor that adipic acid accessory substance generates simultaneously.
The utility model is achieved by following technical scheme:
An adipic acid reactor, this reactor is tank reactor, comprises cooling coil, half tubular external jacket, material interpolation pipe, agitator, wherein cooling coil comprises inner coil pipe and bottom inner coil pipe; Cooling coil is located at inside reactor, and half tubular external jacket is located at sidewall and the outside, the cone end of reactor, and reaction mass is sent into reactor from reactor head by material interpolation pipe, and agitator is positioned at reactor middle part.
Further, the certain area of being often separated by material interpolation pipe has some apertures, and perforate aperture and quantity are relevant with standoff distance, and simultaneously relevant with the flow pattern of agitator, existing design can make reaction mass effectively be scattered in inside reactor.For the art of this patent, preferred aperture aperture is Φ 1-Φ 4, no more than 50 of single interpolation pipe hole count, and standoff distance is 50～150mm.
Further, half thickness of pipe wall of half tubular external jacket is not less than 3mm.
The beneficial effects of the utility model are:
(1), the original reactor of the utility model contain inner coil pipe basis on, in the bottom of inside reactor, set up inner coil pipe, increased the heat exchange area of reactor, increased the exchange capability of heat of reaction system.
(2), the utility model is provided with semicanal clevis cover at shell of reactor, thereby the flow velocity that adopts semicanal clevis cover can increase cooling water has been strengthened heat transfer; During the operation of simultaneous reactions device, cylindrical shell bears external pressure, adopts semicanal to play certain booster action to housing.
(3), optimize perforate distributed areas, perforate aperture and the number of openings of interpolation pipe, according to the size of reactor and in conjunction with the mixing effect of agitator with stir flow pattern, optimize the perforate of interpolation pipe, can make the more effective inside reactor that is scattered in of reaction mass, make the reaction of inside reactor more rapidly with even.
(4), the optimization of the perforate of heat exchange inner coil pipe, external jacket and interpolation pipe makes the system that removes that heat in reaction system can be more effective, balanced, the more concentrated problem in inside reactor heat part of avoiding, has reduced the generation of accessory substance in system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the induction system of industrial solid adipic acid provided by the utility model.
In figure: 1. reactor; 2. bottom inner coil pipe; 3. half cast external jacket; 4. material interpolation pipe, 5. inner coil pipe; 6. agitator.
The specific embodiment
Below in conjunction with specific embodiment, the invention will be further described, but do not limit protection scope of the present invention.
Implementation plan 1
As shown in Figure 1, the present embodiment has disclosed a kind of adipic acid reactor, and this reactor is tank reactor, comprises cooling coil, half tubular external jacket 3, material interpolation pipe 4, agitator 6, and wherein cooling coil comprises inner coil pipe 5 and bottom inner coil pipe 2; Cooling coil is located at reactor 1 inside, half tubular external jacket 3 is located at sidewall and the outside, the cone end of reactor 1, reaction mass is sent into reactor 1 from reactor 1 top by material interpolation pipe 4, has some apertures on material interpolation pipe 4 in certain area, and agitator 6 is positioned at reactor 1 middle part.
Reactor 1 inside is provided with two row's inner coil pipes 5, and inner coil pipe heat exchange area, also needs to meet the installation requirement of agitator 6 except guaranteeing; In the bottom of reactor, increase by a row bottom inner coil pipe 2; Sidewall and outside, the cone end at reactor are designed with half tubular external jacket 3, and for guaranteeing equipment stress and certain cooling water flow velocity, the wall thickness of semicanal is not less than 3mm.Reaction mass is sent into reactor from reactor 1 top by material interpolation pipe 4, the certain area of being often separated by interpolation pipe, have some apertures, perforate aperture is Φ 1-Φ 4, no more than 50 of single interpolation pipe hole count, standoff distance is 50～150mm, and this design can make reaction mass effectively be scattered in inside reactor.
The utility model is optimized cooling coil, cooling jacket and interpolation pipe perforate, has improved production capacity, the safety and stability of reactor.
Although preferred embodiment of the present utility model is described with preferred embodiment by reference to the accompanying drawings above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing from the scope situation that the utility model aim and claim protect; can also make the concrete conversion of a lot of forms, within these all belong to protection domain of the present utility model.
Claims (4)
1. adipic acid reactor, this reactor is tank reactor, it is characterized in that: comprise cooling coil, half tubular external jacket, material interpolation pipe, agitator, wherein cooling coil comprises inner coil pipe and bottom inner coil pipe; Cooling coil is located at inside reactor, and half tubular external jacket is located at sidewall and the outside, the cone end of reactor, and reaction mass is sent into reactor from reactor head by material interpolation pipe, and agitator is positioned at reactor middle part.
2. adipic acid reactor according to claim 1, is characterized in that: on described material interpolation pipe, have some apertures.
3. adipic acid reactor according to claim 2, is characterized in that: the small aperture of described material interpolation pipe is Φ 1-Φ 4, no more than 50 of single interpolation pipe hole count, and standoff distance is 50～150mm.
4. adipic acid reactor according to claim 1, is characterized in that: half thickness of pipe wall of described half tubular external jacket is not less than 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705588.1U CN203540552U (en) | 2013-11-07 | 2013-11-07 | Adipic acid reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705588.1U CN203540552U (en) | 2013-11-07 | 2013-11-07 | Adipic acid reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203540552U true CN203540552U (en) | 2014-04-16 |
Family
ID=50458722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320705588.1U Expired - Lifetime CN203540552U (en) | 2013-11-07 | 2013-11-07 | Adipic acid reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203540552U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449097A (en) * | 2019-08-16 | 2019-11-15 | 泰兴金江化学工业有限公司 | A kind of Intubaction device for butyl acetate reaction kettle |
| CN111389330A (en) * | 2020-03-25 | 2020-07-10 | 河南神马尼龙化工有限责任公司 | Reaction temperature stability maintaining system of adipic acid production system by nitric acid oxidation method |
| CN115646423A (en) * | 2022-12-28 | 2023-01-31 | 江苏飞宇医药科技股份有限公司 | High-temperature Huffman pipeline reaction kettle |
-
2013
- 2013-11-07 CN CN201320705588.1U patent/CN203540552U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449097A (en) * | 2019-08-16 | 2019-11-15 | 泰兴金江化学工业有限公司 | A kind of Intubaction device for butyl acetate reaction kettle |
| CN111389330A (en) * | 2020-03-25 | 2020-07-10 | 河南神马尼龙化工有限责任公司 | Reaction temperature stability maintaining system of adipic acid production system by nitric acid oxidation method |
| CN115646423A (en) * | 2022-12-28 | 2023-01-31 | 江苏飞宇医药科技股份有限公司 | High-temperature Huffman pipeline reaction kettle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |