CN109395691A - It is a kind of for producing the pipeline reactor and its application method of surfactant - Google Patents
It is a kind of for producing the pipeline reactor and its application method of surfactant Download PDFInfo
- Publication number
- CN109395691A CN109395691A CN201811575830.1A CN201811575830A CN109395691A CN 109395691 A CN109395691 A CN 109395691A CN 201811575830 A CN201811575830 A CN 201811575830A CN 109395691 A CN109395691 A CN 109395691A
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- raw material
- thermostatic box
- surfactant
- producing
- pipeline reactor
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- 239000004094 surface-active agent Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 45
- 238000005452 bending Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000012856 packing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000036632 reaction speed Effects 0.000 abstract description 5
- 239000002280 amphoteric surfactant Substances 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 16
- 230000036760 body temperature Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000010924 continuous production Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- -1 alkyl carboxyl glycine betaine Chemical compound 0.000 description 3
- 125000005189 alkyl hydroxy group Chemical group 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 3
- 150000003512 tertiary amines Chemical class 0.000 description 3
- 239000002585 base Substances 0.000 description 2
- 229960003237 betaine Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000005157 alkyl carboxy group Chemical group 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/242—Tubular reactors in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/006—Baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00099—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor the reactor being immersed in the heat exchange medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00761—Details of the reactor
- B01J2219/00763—Baffles
- B01J2219/00765—Baffles attached to the reactor wall
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
It is especially a kind of for producing the pipeline reactor and its application method of surfactant the present invention relates to displacement of reservoir oil amphoteric surfactant production technical field.This kind is used to produce the pipeline reactor of surfactant, including multiple thermostatic box and it is set to the intracorporal reaction tube of insulating box, each intracorporal reaction tube of insulating box front and back is provided with multiple rows of tube body, every calandria is disposed as the continuous bending tube of " S " type, it is interconnected between the continuous bending tube of front two rows " S " type of reaction tube, the adjacent intracorporal reaction tube of two insulating boxs interconnects；The thermostatic box positioned at end is connected to heat exchanger, and heat exchanger is connected to products export.Of the invention is a kind of for producing the pipeline reactor and its application method of surfactant, can be realized the successive reaction of multiple temperature sections, improves the continuity and reaction speed of reaction, has many advantages, such as high degree of automation, low energy consumption and yield is big.
Description
Technical field
The present invention relates to displacement of reservoir oil amphoteric surfactant production technical fields, especially a kind of for producing surface-active
The pipeline reactor and its application method of agent.
Background technique
Amphoteric surfactant is the not only table containing anionic hydrophilic base but also containing cationic hydrophilic base in same molecule
Face activating agent.Both sexes class surfactant is common chemical assistant in current tertiary oil production in oil field, with interfacial activity
It is high, with the advantages that anionic surfactant compatibility is good, high-temperature stable, strong resistance to calcium and magnesium ion ability, in the major oil of China
Field is all widely used.Wherein, most common surfactant has alkyl hydroxy sulfo lycine, imidazoline, alkyl carboxyl sweet tea
Dish alkali etc..
Domestic production amphoteric surfactant master reactor to be used, which is still, at present has continued to use chemical product and has commonly stirred
Tank reactor is mixed, the major defect of the reactor is as follows: (1) cannot achieve continuous production, the side of hand feed can only be passed through
Formula Batch Process, production efficiency is low, unstable product quality, high labor cost；(2) since reaction kettle volume is larger, stirring
Speed is slower, and the mass transfer effect of storeroom is poor, causes reaction rate slow, extends the production time；(3) since reaction can only be passed through
The collet of kettle exchanges heat, and heat exchange area is small, heat exchange efficiency is low, for strongly exothermic and highly endothermic reaction, can only pass through control
Feed rate makes up the problem of heat exchange amount deficiency, further extends the production time.
Therefore, how to provide a kind of for producing the pipeline reactor and its application method of surfactant, having both can
The advantages that continuous production, fast high degree of automation and reaction rate is those skilled in the art's urgent problem to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of for producing the pipeline reactor and its application method of surfactant,
Overcome the shortcomings of aforementioned stirred-tank reactor in the prior art, have can continuous production, high degree of automation, low energy consumption, produce
The features such as amount is big, reaction rate is fast.
The technical scheme adopted by the invention to solve the technical problem is that:
It is a kind of for producing the pipeline reactor of surfactant, including multiple thermostatic box and to be set to insulating box intracorporal
Reaction tube, each intracorporal reaction tube of insulating box front and back are provided with multiple rows of tube body, and every calandria is disposed as " S " type company
Continue bending tube, is interconnected between the continuous bending tube of front two rows " S " type of reaction tube, this set-up mode of reaction tube is advantageous
In increasing heat exchange area, heat transfer efficiency is improved, realizes that sufficiently reaction, the adjacent intracorporal reaction tube of two insulating boxs interconnect, it is real
The continuity now reacted improves reaction speed；The thermostatic box positioned at end is connected to heat exchanger, and heat exchanger goes out with product
Mouth connection.
Preferably, the thermostatic box is provided with 3, and the side of the thermostatic box of head end is provided with raw material A and is pumped into
Mouth and raw material B pump intake；Raw material C pump intake is provided between head end thermostatic box and middle part thermostatic box；Middle part thermostatic box
Raw material D pump intake is provided between the thermostatic box of end, this set-up mode realizes differential responses rank by 3 thermostatic box
The temperature gradient of section, and new raw material, regulator and supplement raw material can be added as needed.
Preferably, it is provided with hot water inlet and hot water outlet on the thermostatic box, or is provided with steam inlet and steam
The uniformity of Temperature Distribution in thermostatic box is realized in outlet by hot water or steam.
Preferably, the insulating box body temperature positioned at head end is controlled at 45-60 DEG C；The insulating box positioned at middle part
Body temperature is controlled at 80-90 DEG C；The insulating box body temperature positioned at end is controlled at 100-110 DEG C, by reaction temperature
Stablize in optimal conditions, dramatically avoids product quality as caused by temperature is passive unstable, for strongly exothermic and strong
The endothermic reaction is also capable of providing enough exchange capability of heat, controls heat release without speed is added by control raw material, thus
The production capacity of equipment is provided.
Preferably, dumped packing is added in the reaction tube, or is provided with baffle plate, it is ensured that is mentioned while Flow of Goods and Materials
For enough mass transfers, it is uniformly mixed material, improves reaction speed.
It is a kind of for producing the application method of the pipeline reactor of surfactant, include the following steps: to pump from raw material A
Entrance is pumped into raw material A, is pumped into raw material B from raw material B pump intake, and the insulating box body temperature positioned at head end is controlled at 50-55 DEG C；From
Raw material C pump intake is pumped into raw material C, and the insulating box body temperature positioned at middle part is controlled at 80-90 DEG C；It is pumped into from raw material D pump intake
Raw material D adjusts system pH to 7-8, and the insulating box body temperature positioned at end is controlled at 105-110 DEG C, and product is dropped through heat exchanger
Temperature is discharged to after 70-80 DEG C from products export.
Preferably, the charging rate of the raw material A is 180-220Kg/min, and the charging rate of the raw material B is 35-
The charging rate of 45Kg/min, the raw material C are 80-90Kg/min.
The beneficial effects of the present invention are: compared with prior art, of the invention is a kind of for producing the pipe of surfactant
Road formula reactor and its application method have the advantages that
(1) pipeline reactor of the invention, including multiple groups thermostatic box and it is set to the intracorporal reaction tube of insulating box, Neng Goushi
The successive reaction of existing multiple temperature sections, improves the continuity and reaction speed of reaction；
(2) pipeline reactor of the invention, the design method of reaction tube are conducive to increase heat exchange area, improve heat transfer efficiency,
Realize sufficiently reaction；
(3) design of pipeline reactor of the invention, thermostatic box stablizes reaction temperature in optimal conditions, dramatically
It avoids product quality as caused by temperature is passive unstable, for strongly exothermic and strong endothermic reaction, is also capable of providing enough
Exchange capability of heat controls heat release without speed is added by control raw material, to provide the production capacity of equipment；
(4) pipeline reactor of the invention, the design of dumped packing or baffle plate in reaction tube, it is ensured that in the same of Flow of Goods and Materials
When enough mass transfers are provided, make material be uniformly mixed, improve reaction speed；
(5) new raw material, adjustment can be added in pipeline reactor of the invention, the design of each raw material pump intake as needed
Agent and supplement raw material, high degree of automation.
Detailed description of the invention
Fig. 1 is general structure schematic diagram of the present invention；
Fig. 2 is that the stereochemical structure of reaction tube of the present invention illustrates enlarged drawing；
Fig. 3 is the partial enlarged view of baffle arrangement setting in reaction tube in the embodiment of the present invention 1；
Fig. 4 is the partial enlarged view of filling-material structure setting in reaction tube in the embodiment of the present invention 2；
Wherein, 1 thermostatic box, 2 reaction tubes, 3 heat exchangers, 4 raw material A pump intakes, 5 raw material B pump intakes, 6 raw material C pump intakes, 7 originals
Expect D pump intake, 8 products exports, 9 hot water inlets, 10 hot water outlets, 11 steam inlets, 12 steam (vapor) outlets, 13 dumped packings, 14
Baffle plate.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
Embodiment 1 is a kind of for producing the pipeline reactor of surfactant
It is a kind of for producing the pipeline reactor of surfactant, including 3 thermostatic box 1 in embodiment as shown in Figs. 1-3
With the reaction tube 2 being set in each thermostatic box 1, the front and back of reaction tube 2 in each thermostatic box 1 is provided with multiple rows of
Tube body, every calandria are disposed as the continuous bending tube of " S " type, between the continuous bending tube of front two rows " S " type of reaction tube 2 mutually
It is connected to, the reaction tube 2 in adjacent two thermostatic box 1 interconnects；The thermostatic box 1 positioned at end is connected to heat exchanger 3,
Heat exchanger 3 is connected to products export 8.The side of the thermostatic box 1 of head end is provided with raw material A pump intake 4 and raw material B is pumped into
Mouth 5；Raw material C pump intake 6 is provided between head end thermostatic box 1 and middle part thermostatic box 1；Middle part thermostatic box 1 and end are permanent
Raw material D pump intake 7 is provided between incubator body 1.It is described to be provided with hot water inlet 9 on the thermostatic box 1 at head end and middle part
With hot water outlet 10, steam inlet 11 and steam (vapor) outlet 12 are provided on the thermostatic box 1 of end.It is described positioned at head end
Temperature control is at 45-60 DEG C in thermostatic box 1；Temperature control is at 80-90 DEG C in the thermostatic box 1 positioned at middle part；It is described
Temperature control is at 100-110 DEG C in the thermostatic box 1 of end.
In the present embodiment, baffle plate 14 is provided in the reaction tube 2.
Embodiment 2 is a kind of for producing the pipeline reactor of surfactant
The present embodiment and the setting of embodiment 1 are essentially identical, and difference is: in the present embodiment, being added and dissipate in the reaction tube
Filling material 13.
Embodiment 3 is a kind of for producing the application method of the pipeline reactor of surfactant
The duct type that the application method of the present embodiment is used to produce surfactant mainly for one of embodiment 1 reacts
Device, through this embodiment in 12/14 alkyl hydroxy sulfo lycine of method continuous production, specifically comprise the following steps:
NaHSO is pumped into from raw material A pump intake 43Aqueous solution (25%), charging rate 200Kg/min；It is pumped into from raw material B pump intake 5
Epoxychloropropane, charging rate 42Kg/min；Water temperature in the thermostatic box 1 of head end is controlled at 50-55 DEG C.From raw material
C pump intake 6 is pumped into 12/14 tertiary amine, charging rate 86Kg/min；The temperature being located in the middle in thermostatic box 1 is controlled in 85-90
℃.Na is added from raw material D pump intake 72CO3Aqueous solution (30%) adjusts system pH=7-8, in the thermostatic box 1 of end
Temperature is controlled at 105-110 DEG C, and product is reduced to 70-80 DEG C through heat exchanger 3, is discharged from products export 8.
Through detecting, a kind of application method for producing the pipeline reactor of surfactant through this embodiment is raw
The 12/14 alkyl hydroxy sulfo lycine produced, tertiary amine conversion ratio reach 95.6%, inorganic salt content 7.3%, substance content 42%.Energy
It is enough that oil water interfacial tension is reduced to 6 × 10-3MN/m, product is qualified, has excellent performance.
Embodiment 4 is a kind of for producing the application method of the pipeline reactor of surfactant
The duct type that the application method of the present embodiment is used to produce surfactant mainly for one of embodiment 2 reacts
Device, through this embodiment in 16/18 alkyl carboxyl glycine betaine of method continuous production, specifically comprise the following steps:
Sodium chloroacetate aqueous solution (33%), charging rate 200Kg/min are pumped into from raw material A pump intake 4；It is pumped from raw material B pump intake 5
Enter 16/18 alkyl tertiary amine, charging rate 150Kg/min；Water temperature in the thermostatic box 1 of head end is controlled at 50-55 DEG C.From
Raw material C pump intake 6 is pumped into propylene glycol, charging rate 39Kg/min；The temperature being located in the middle in thermostatic box 1 is controlled in 80-
85℃.Na is added from raw material D pump intake 72CO3Aqueous solution (30%) adjusts system pH=7-8, in the thermostatic box 1 of end
Temperature control at 105-110 DEG C, product is reduced to 70-80 DEG C through heat exchanger 3, from products export 8 discharge.
Through detecting, a kind of application method for producing the pipeline reactor of surfactant through this embodiment is raw
The 16/18 alkyl carboxyl glycine betaine produced, tertiary amine conversion ratio reach 98.1%, inorganic salt content 6.2%, substance content 45%.It can
Oil water interfacial tension is reduced to 8 × 10-3MN/m, product is qualified, has excellent performance.
Above-mentioned specific embodiment is only specific case of the invention, and scope of patent protection of the invention includes but is not limited to
The product form and style of above-mentioned specific embodiment, any claims of the present invention and any technical field of meeting
The appropriate changes or modifications that those of ordinary skill does it, all shall fall within the protection scope of the present invention.
Claims (7)
1. a kind of for producing the pipeline reactor of surfactant, it is characterised in that: including multiple thermostatic box (1) and set
The reaction tube (2) being placed in thermostatic box (1), reaction tube (2) the front and back in each thermostatic box (1) are provided with multiple rows of
Tube body, every calandria are disposed as the continuous bending tube of " S " type, between the continuous bending tube of front two rows " S " type of reaction tube (2) mutually
It is connected, the reaction tube (2) in adjacent two thermostatic box (1) interconnects；The thermostatic box (1) and heat exchange positioned at end
Device (3) connection, heat exchanger (3) are connected to products export (8).
2. as described in claim 1 a kind of for producing the pipeline reactor of surfactant, it is characterised in that: the perseverance
Incubator body (1) is provided with 3, and the side of the thermostatic box (1) of head end is provided with raw material A pump intake (4) and raw material B is pumped into
Mouth (5)；Raw material C pump intake (6) is provided between head end thermostatic box (1) and middle part thermostatic box (1)；Middle part thermostatic box
(1) raw material D pump intake (7) is provided between end thermostatic box (1).
3. as claimed in claim 2 a kind of for producing the pipeline reactor of surfactant, it is characterised in that: the perseverance
It is provided with hot water inlet (9) and hot water outlet (10) on incubator body (1), or is provided with steam inlet (11) and steam (vapor) outlet
(12).
4. as claimed in claim 3 a kind of for producing the pipeline reactor of surfactant, it is characterised in that: institute's rheme
In the interior temperature control of the thermostatic box (1) of head end at 45-60 DEG C；The interior temperature control of the thermostatic box (1) positioned at middle part exists
80-90℃；The interior temperature control of the thermostatic box (1) positioned at end is at 100-110 DEG C.
5. as claimed in claim 4 a kind of for producing the pipeline reactor of surfactant, it is characterised in that: described anti-
It should manage in (2) and dumped packing (13) are added, or be provided with baffle plate (14).
6. as claimed in claim 5 a kind of for producing the application method of the pipeline reactor of surfactant, feature
It is: includes the following steps: to be pumped into raw material A from raw material A pump intake (4), be pumped into raw material B from raw material B pump intake (5), is located at head
The interior temperature control of the thermostatic box (1) at end is at 50-55 DEG C；It is pumped into raw material C from raw material C pump intake (6), the insulating box positioned at middle part
The interior temperature control of body (1) is at 80-90 DEG C；It is pumped into raw material D from raw material D pump intake (7), system pH to 7-8 is adjusted, positioned at end
The interior temperature control of thermostatic box (1) is at 105-110 DEG C, and product is after heat exchanger (3) is cooled to 70-80 DEG C from products export (8)
Discharge.
7. as claimed in claim 6 a kind of for producing the application method of the pipeline reactor of surfactant, feature
Be: the charging rate of the raw material A is 180-220Kg/min, and the charging rate of the raw material B is 35-45Kg/min, described
The charging rate of raw material C is 80-90Kg/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811575830.1A CN109395691A (en) | 2018-12-22 | 2018-12-22 | It is a kind of for producing the pipeline reactor and its application method of surfactant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811575830.1A CN109395691A (en) | 2018-12-22 | 2018-12-22 | It is a kind of for producing the pipeline reactor and its application method of surfactant |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111250027A (en) * | 2020-03-05 | 2020-06-09 | 内蒙古兰格生物科技有限公司 | Drug intermediate reaction tube and production line |
| WO2020207887A1 (en) * | 2019-04-10 | 2020-10-15 | Innoil Ag | Tubular reactor and use thereof |
| CN112090388A (en) * | 2020-09-07 | 2020-12-18 | 浙江大学 | Continuous flow reactor and application thereof in chemical reaction and synthesis |
| CN112191217A (en) * | 2020-11-10 | 2021-01-08 | 中国平煤神马能源化工集团有限责任公司 | Novel continuous flow tube type reaction system and process for synthesizing adipic acid |
| CN113893795A (en) * | 2021-10-14 | 2022-01-07 | 中北大学 | Device and method for uniformly and rapidly heating and continuously aging feed liquid in preparation process of pseudo-boehmite |
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Application publication date: 20190301 |