CN208482455U - A kind of reaction kettle improving contraposition ester production process ethylene oxide utilization rate - Google Patents
A kind of reaction kettle improving contraposition ester production process ethylene oxide utilization rate Download PDFInfo
- Publication number
- CN208482455U CN208482455U CN201821001775.0U CN201821001775U CN208482455U CN 208482455 U CN208482455 U CN 208482455U CN 201821001775 U CN201821001775 U CN 201821001775U CN 208482455 U CN208482455 U CN 208482455U
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- China
- Prior art keywords
- ethylene oxide
- reaction kettle
- kettle ontology
- pipe
- utilization rate
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- 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.)
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- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 91
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 150000002148 esters Chemical class 0.000 title claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 30
- 239000000498 cooling water Substances 0.000 claims description 18
- 238000005276 aerator Methods 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 12
- 239000004593 Epoxy Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- FZERHIULMFGESH-UHFFFAOYSA-N N-phenylacetamide Chemical compound CC(=O)NC1=CC=CC=C1 FZERHIULMFGESH-UHFFFAOYSA-N 0.000 description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000001141 propulsive effect Effects 0.000 description 2
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 description 1
- KJESGYZFVCIMDE-UHFFFAOYSA-N 1-chloroethanol Chemical compound CC(O)Cl KJESGYZFVCIMDE-UHFFFAOYSA-N 0.000 description 1
- CZGCEKJOLUNIFY-UHFFFAOYSA-N 4-Chloronitrobenzene Chemical compound [O-][N+](=O)C1=CC=C(Cl)C=C1 CZGCEKJOLUNIFY-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- -1 ethylene sulfuryl Chemical group 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000985 reactive dye Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000006351 sulfination reaction Methods 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Landscapes
- Epoxy Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to a kind of reaction kettles for improving contraposition ester production process ethylene oxide utilization rate, including reaction kettle ontology, the ethylene oxide distributor pipe and ethylene oxide cycle distributor pipe of the inner cavity lower part difference horizontal layout annular of the reaction kettle ontology, lay ethylene oxide cycle escape pipe in the top of reaction kettle ontology, ethylene oxide cycle escape pipe connects the air intake vent of high pressure blower, and the air outlet of high pressure blower connects ethylene oxide cycle air inlet pipe；Vertical runs agitating shaft in the middle part of the inner cavity of reaction kettle ontology, split type stirrer paddle is set on the axial wall of agitating shaft, split type stirrer paddle includes frame type stirring blade and anchor formula stirrer paddle, anchor formula stirrer paddle is trapezoidal and its lower end surface is arc-shaped, and pushing guidance flowing plate is laid at the middle part of frame type stirring blade and anchor formula stirrer paddle.The utility model effectively improves the utilization rate of ethylene oxide, reduces polluting waste, stirs evenly, and reduces production cost.
Description
Technical field
The utility model relates to para-ester synthesis technical field, in particular to a kind of raising aligns ester production process middle ring oxygen
The reaction kettle of ethane utilization rate.
Background technique
Para-ester is the most important intermediate of ethylene sulfuryl reactive dye, and the synthetic method of para-ester has antifebrin road
Line, paranitrochlorobenzene route and nitrobenzene route, wherein antifebrin route is the main production line of current production para-ester,
Chlorosulfonation sulfination is carried out through chlorosulfonic acid using antifebrin as raw material, ethylene oxide does condensing agent condensation plus sulphuric acid hydrolysis esterification
Obtain para-ester；The advantages of making condensing agent with ethylene oxide has cost economy, reaction temperature low, high income, does compared with chlorethanol
Condensing agent yield improves 10%, but makees condensing agent with following problem to be solved using ethylene oxide: ethylene oxide is gas
Body, once more than bubble floating to liquid level just terminating absorption process in a kettle, utilization rate is lower, and current reaction kettle is usual
It is designed using emptying, excessive gaseous ethylene oxide is discharged by blow-down pipe, causes serious waste.
Summary of the invention
The purpose of the utility model is to provide a kind of utilization rates for improving ethylene oxide, reduce polluting waste, stir evenly,
Reduce the reaction kettle of the raising contraposition ester production process ethylene oxide utilization rate of production cost.
To achieve the goals above, the technical solution of the utility model is:
A kind of reaction kettle improving contraposition ester production process ethylene oxide utilization rate, including reaction kettle ontology, be laid in
Distinguish the inner cavity lower part of the motor of reaction kettle body upper part and the collet for being laid in reaction kettle body outer wall, the reaction kettle ontology
The ethylene oxide distributor pipe and ethylene oxide cycle distributor pipe of horizontal layout annular, ethylene oxide cycle distributor pipe are located at epoxy second
Radial uniformly distributed one group of pipe is distinguished on the lower part of alkane distributor pipe, ethylene oxide distributor pipe and ethylene oxide cycle distributor pipe
Formula aerator, two groups of tube aerators are parallel to the horizontal plane and mutual dislocation, and epoxy is laid in the lower part of reaction kettle ontology respectively
Ethane air inlet pipe and ethylene oxide cycle air inlet pipe, the outlet of ethylene oxide air inlet pipe and ethylene oxide cycle air inlet pipe are protruded into
The inner cavity of reaction kettle ontology and connected respectively with ethylene oxide distributor pipe, ethylene oxide cycle distributor pipe, reaction kettle ontology it is upper
Portion lays ethylene oxide cycle escape pipe, and ethylene oxide cycle escape pipe connects the air intake vent of high pressure blower, and high pressure blower goes out
Air port connects ethylene oxide cycle air inlet pipe；Vertical runs agitating shaft in the middle part of the inner cavity of reaction kettle ontology, the stirring axis connection
Split type stirrer paddle is arranged on the axial wall of agitating shaft in motor, and split type stirrer paddle includes that frame type stirring blade and anchor formula are stirred
Blade is mixed, frame type stirring blade is square, and anchor formula stirrer paddle is trapezoidal and its lower end surface is arc-shaped, frame type stirring blade and anchor
It leaves a blank between formula stirrer paddle, pushing guidance flowing plate, the propulsion are laid in the middle part of frame type stirring blade and anchor formula stirrer paddle
Deflector is in corrugated.
Further, the collet is partly wrapped in the outside of reaction kettle ontology, the top of collet lay cooling water outlet, under
Portion lays cooling water inlet, and the vertical section of collet is in U-shape, and the internal diameter of collet is greater than the outer diameter of reaction kettle ontology, reaction kettle ontology
Outer wall be located at the part in collet lay spiral deflector.
Further, the import of the ethylene oxide air inlet pipe and ethylene oxide cycle air inlet pipe is respectively positioned on reaction kettle ontology
Outside, between ethylene oxide distributor pipe and ethylene oxide cycle distributor pipe it is vertical distance be 300 mm~500mm.
Further, the top of the reaction kettle ontology, lay gas gauge in ethylene oxide cycle air inlet pipe, press from both sides
Manometer is laid on the outer wall of set.
Further, the top of the reaction kettle ontology lays feed inlet, drain and acid respectively and adds mouth, reaction kettle sheet
Lay discharge port in the bottom of body.
Further, maintenance manhole is also laid on the top of the reaction kettle ontology, is repaired to lay to block at manhole and be filled in.
Further, the motor connects speed reducer by shaft coupling, and speed reducer connects agitating shaft.
The utility model has the following beneficial effects:
The utility model is stirred using split type stirrer paddle, and split type stirrer paddle reserves space for placing
Tube aerator, split type stirrer paddle include frame type stirring blade and anchor formula stirrer paddle, and frame type stirring blade is square, anchor
Formula stirrer paddle is trapezoidal and its lower end surface is arc-shaped, and two different form of stirrer paddle improves the stirring to material and divides
Effect is dissipated, makes to stir disadvantage that is more uniform, promoting the setting of deflector to overcome stirrer paddle radial flow weaker, promotes deflector
In corrugated, its Radial Flow propulsive force is increased；
Ethylene oxide cycle escape pipe, high pressure blower and the ethylene oxide cycle air inlet pipe of reaction kettle bodies top make epoxy
Ethane gas cycle operation is back in reaction kettle ontology, and ethylene oxide gas circulation secondary utilizes, and is increased operation rate, and is reduced
Ethylene oxide actual production consumption, reduces production cost, and contained ethylene oxide content is more similar in the exhaust gas for discharging drain
Type reaction kettle discharge amount is few, reduces polluting waste；
Spiral deflector plays guiding function to flow of cooling water direction, improves the utilization rate of cooling water, and to reaction
Kettle ontology plays booster action, improves the intensity and anti-pressure ability of reaction kettle ontology.
Detailed description of the invention
Fig. 1 is that a kind of structure for the reaction kettle for improving contraposition ester production process ethylene oxide utilization rate of the utility model is shown
It is intended to.
Fig. 2 is that a kind of tubular type for the reaction kettle for improving contraposition ester production process ethylene oxide utilization rate of the utility model exposes
The structural schematic diagram of gas device distribution.
Fig. 3 is a kind of agitating shaft for the reaction kettle for improving contraposition ester production process ethylene oxide utilization rate of the utility model
Structural schematic diagram.
Fig. 4 is that a kind of spiral for the reaction kettle for improving contraposition ester production process ethylene oxide utilization rate of the utility model is led
The structural schematic diagram of flowing plate.
Numbering in the drawing are as follows: 1 is reaction kettle ontology, and 2 be cooling water inlet, and 3 be collet, and 4 be ethylene oxide cycle air inlet
Pipe, 5 be ethylene oxide air inlet pipe, and 6 be ethylene oxide cycle distributor pipe, and 7 be spiral deflector, and 8 be cooling water outlet, and 9 are
Agitating shaft, 10 be ethylene oxide distributor pipe, and 11 be gas gauge, and 12 be feed inlet, and 13 be tube aerator, and 14 be deceleration
Machine, 15 be motor, and 16 be drain, and 17 be ethylene oxide cycle escape pipe, and 18 be high pressure blower, and 19 add mouth for acid, and 20 are
Manometer, 21 be maintenance manhole, and 22 be discharge port, and 23 be frame type stirring blade, and 24 be anchor formula stirrer paddle, and 25 be to promote
Deflector.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and specific embodiments:
As shown in Figure 1 to 4, a kind of reaction kettle improving contraposition ester production process ethylene oxide utilization rate, including it is anti-
The collet 3 for answering kettle ontology 1, being laid in the motor 15 on 1 top of reaction kettle ontology and being laid in 1 outer wall of reaction kettle ontology, it is described anti-
The inner cavity lower part of kettle ontology 1 is answered to distinguish the ethylene oxide distributor pipe 10 and ethylene oxide cycle distributor pipe 6 of horizontal layout annular, ring
Oxidative ethane loop distribution pipe 6 is located at the lower part of ethylene oxide distributor pipe 10, ethylene oxide distributor pipe 10 and ethylene oxide cycle point
On stringing 6 distinguish radial uniformly distributed one group of tube aerator 13, two groups of tube aerators 13 be parallel to the horizontal plane and
Ethylene oxide air inlet pipe 5 and ethylene oxide cycle air inlet pipe 4, epoxy second are laid in mutual dislocation, the lower part of reaction kettle ontology 1 respectively
The outlet of alkane air inlet pipe 5 and ethylene oxide cycle air inlet pipe 4 is protruded into the inner cavity of reaction kettle ontology 1 and is divided respectively with ethylene oxide
Stringing 10, ethylene oxide cycle distributor pipe 6 connect, and ethylene oxide cycle escape pipe 17, epoxy are laid in the top of reaction kettle ontology 1
Ethane recycle escape pipe 17 connects the air intake vent of high pressure blower 18, and the air outlet of high pressure blower 18 connects ethylene oxide cycle air inlet
Pipe 4；Vertical runs agitating shaft 9 in the middle part of the inner cavity of reaction kettle ontology 1, the agitating shaft 9 connect motor 15, the axial wall of agitating shaft 9
The upper split type stirrer paddle of setting, split type stirrer paddle includes frame type stirring blade 23 and anchor formula stirrer paddle 24, and frame stirs
It mixes blade 23 to be square, anchor formula stirrer paddle 24 is trapezoidal and its lower end surface is arc-shaped, frame type stirring blade 23 and anchor formula stirring
It leaves a blank between blade 24, the place left a blank is for arranging that ethylene oxide distributor pipe 10, ethylene oxide cycle distributor pipe 6 and tubular type expose
Lay pushing guidance flowing plate 25, the propulsion deflector in the middle part of gas device 13, frame type stirring blade 23 and anchor formula stirrer paddle 24
25 in corrugated.
The collet 3 half is wrapped in the outside of reaction kettle ontology 1, and cooling water outlet 8, lower part cloth are laid in the top of collet 3
If the vertical section of cooling water inlet 2, collet 3 is in U-shape, the internal diameter of collet 3 is 200mm bigger than the outer diameter of reaction kettle ontology 1, reaction kettle
The outer wall of ontology 1 is located at the part in collet 3 and lays spiral deflector 7, and the distance between spiral deflector 7 and collet 3 are
3mm；Spiral deflector 7 plays guiding function to flow of cooling water direction, improves the utilization rate of cooling water, and to reaction kettle sheet
It is equivalent to ring stiffener for body 1, the intensity and anti-pressure ability of reaction kettle ontology 1 can be improved；As a kind of implementable side
Formula, the collet 3 in the present embodiment are connected by fillet weld with reaction kettle ontology 1.
The import of the ethylene oxide air inlet pipe 5 and ethylene oxide cycle air inlet pipe 4 is respectively positioned on the outer of reaction kettle ontology 1
Portion, the vertical distance between ethylene oxide distributor pipe 10 and ethylene oxide cycle distributor pipe 6 is 300 mm~500mm.
Gas gauge 11 is laid on the top of the reaction kettle ontology 1, ethylene oxide cycle air inlet pipe 4, collet 3
Manometer 20 is laid on outer wall, manometer 20 monitors the pressure change in collet 3.
Feed inlet 12, drain 16 and acid are laid respectively and adds mouth 19, reaction kettle ontology in the top of the reaction kettle ontology 1
Discharge port 22 is laid in 1 bottom, and the gas after 16 pairs of drain reactions discharges, as an embodiment, this reality
The top for applying the reaction kettle ontology 1 of example also sets up nitrogen charging mouth, for the nitrogen charging into reaction kettle ontology 1 before the reaction, drains reaction
Air in kettle ontology 1.
Maintenance manhole 21 is also laid on the top of the reaction kettle ontology 1, is repaired to lay to block at manhole 21 and be filled in；It will when maintenance
It blocks plug to extract from maintenance manhole 21, when operation, blocks maintenance manhole 21 by blocking plug；As an embodiment,
Closure plug in the present embodiment is transparent closure plug, can pass through the situation in the direct observing response kettle ontology 1 in transparent place.
The motor 15 connects speed reducer 14 by shaft coupling, and speed reducer 14 connects agitating shaft 9；As a kind of implementable side
Formula, the motor 15 in the present embodiment are Flame-Proof Three-Phase Induction Motors, and speed reducer 14 is cycloidal pin speed reducer, and shaft coupling is steel
Property flange-face coupling, be attached between the output shaft and agitating shaft 9 of speed reducer 14 by magnetic coupling, then drive stirring
Axis 9 rotates, and agitating shaft 9 is connected on reaction kettle ontology 1 by bearing.
As an embodiment, the micro-pore diameter of the tube aerator 13 in the present embodiment is 50um.
It aligns in ester production process, the ethylene oxide cycle escape pipe 17 at 1 top of ethylene oxide gas autoreaction kettle ontology
Discharge, transports to ethylene oxide cycle air inlet pipe 4 by high pressure blower 18, enters back into the epoxy second into 1 inner cavity of reaction kettle ontology
Alkane loop distribution pipe 6 carries out secondary cycle utilization, increases operation rate, and reduces ethylene oxide actual production consumption, makes drain 16
Contained ethylene oxide content is few compared with same type reaction kettle discharge amount in the exhaust gas of discharge, reduces polluting waste；Reaction kettle ontology 1
Interior material alkylated reaction is condensation reaction, as exothermic reaction, therefore collet 3 is laid on 1 outer wall of reaction kettle ontology, cooling
Water enters from cooling water inlet 2, and flowing carries out cooling processing to reaction kettle ontology 1 in collet 3, undesirable when cooling
When, it is located at the raised cooling water of temperature in collet 3 and is discharged from cooling water outlet 8, re-enters cooling water from cooling water inlet 2；
In stirring, split type stirrer paddle applies the initial velocity axially flowed to material, makes up to axial flowing, split type to stir
Mixing blade includes frame type stirring blade 23 and anchor formula stirrer paddle 24, and frame type stirring blade 23 is square, anchor formula stirrer paddle 24
Trapezoidal and its lower end surface is arc-shaped, is sufficiently stirred to material, two different form of stirrer paddle is improved to material
Stirring and dispersion effect, for the disadvantage for overcoming its radial flow weaker, setting promotes deflector 25, and promoting deflector 25 is in wave
Line shape increases stirrer paddle Radial Flow propulsive force, after the completion of operation, intermediate produced is exported from discharge port 22.
The embodiment of the above, the only preferred embodiment of the utility model not limit the utility model
Practical range, therefore all equivalent change or modifications done according to structure, feature and principle described in the utility model patent range,
It should be included in present utility model application the scope of the patents.
Claims (7)
1. a kind of reaction kettle for improving contraposition ester production process ethylene oxide utilization rate, including reaction kettle ontology (1), be laid in
The motor (15) on reaction kettle ontology (1) top and the collet (3) for being laid in reaction kettle ontology (1) outer wall, which is characterized in that described
The ethylene oxide distributor pipe (10) of the inner cavity lower part difference horizontal layout annular of reaction kettle ontology (1) and ethylene oxide cycle distribution
Manage (6), ethylene oxide cycle distributor pipe (6) is located at the lower part of ethylene oxide distributor pipe (10), ethylene oxide distributor pipe (10) and
Radial uniformly distributed one group of tube aerator (13), two groups of tube aerators are distinguished on ethylene oxide cycle distributor pipe (6)
(13) it is parallel to the horizontal plane and ethylene oxide air inlet pipe (5) and ring is laid in mutual dislocation, the lower part of reaction kettle ontology (1) respectively
Oxidative ethane recycles air inlet pipe (4), and reaction is protruded into the outlet of ethylene oxide air inlet pipe (5) and ethylene oxide cycle air inlet pipe (4)
The inner cavity of kettle ontology (1) and respectively with ethylene oxide distributor pipe (10), ethylene oxide cycle distributor pipe (6) connect, reaction kettle sheet
Ethylene oxide cycle escape pipe (17) are laid on the top of body (1), and ethylene oxide cycle escape pipe (17) connects high pressure blower (18)
Air intake vent, the air outlet of high pressure blower (18) connects ethylene oxide cycle air inlet pipe (4)；In the inner cavity of reaction kettle ontology (1)
Portion's vertical runs agitating shaft (9), the agitating shaft (9) connect motor (15), and split type stirring is arranged on the axial wall of agitating shaft (9)
Blade, split type stirrer paddle include frame type stirring blade (23) and anchor formula stirrer paddle (24), and frame type stirring blade (23) is in
Rectangular, anchor formula stirrer paddle (24) is trapezoidal and its lower end surface is arc-shaped, frame type stirring blade (23) and anchor formula stirrer paddle
(24) it leaves a blank between, pushing guidance flowing plate (25), institute are laid in the middle part of frame type stirring blade (23) and anchor formula stirrer paddle (24)
It states and promotes deflector (25) in corrugated.
2. a kind of reaction kettle for improving contraposition ester production process ethylene oxide utilization rate according to claim 1, special
Sign is, the collet (3) is partly wrapped in the outside of reaction kettle ontology (1), the top of collet (3) lay cooling water outlet (8),
Cooling water inlet (2) are laid in lower part, and the vertical section of collet (3) is in U-shape, and the internal diameter of collet (3) is greater than the outer of reaction kettle ontology (1)
Diameter, the outer wall of reaction kettle ontology (1) are located at the part in collet (3) and lay spiral deflector (7).
3. a kind of reaction kettle for improving contraposition ester production process ethylene oxide utilization rate according to claim 1, special
Sign is that the import of the ethylene oxide air inlet pipe (5) and ethylene oxide cycle air inlet pipe (4) is respectively positioned on reaction kettle ontology (1)
Outside, between ethylene oxide distributor pipe (10) and ethylene oxide cycle distributor pipe (6) it is vertical distance be 300 mm~
500mm。
4. a kind of reaction kettle for improving contraposition ester production process ethylene oxide utilization rate according to claim 1, special
Sign is, lays gas gauge (11), presss from both sides on the top of the reaction kettle ontology (1), ethylene oxide cycle air inlet pipe (4)
It covers and lays manometer (20) on the outer wall of (3).
5. a kind of reaction kettle for improving contraposition ester production process ethylene oxide utilization rate according to claim 1, special
Sign is that the top of the reaction kettle ontology (1) lays feed inlet (12), drain (16) and acid respectively and adds mouth (19), instead
The bottom of kettle ontology (1) is answered to lay discharge port (22).
6. a kind of reaction kettle for improving contraposition ester production process ethylene oxide utilization rate according to claim 1, special
Sign is that maintenance manhole (21) is also laid on the top of the reaction kettle ontology (1), lays at maintenance manhole (21) and blocks plug.
7. a kind of reaction kettle for improving contraposition ester production process ethylene oxide utilization rate according to claim 1, special
Sign is that the motor (15) connects speed reducer (14) by shaft coupling, and speed reducer (14) connects agitating shaft (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821001775.0U CN208482455U (en) | 2018-06-27 | 2018-06-27 | A kind of reaction kettle improving contraposition ester production process ethylene oxide utilization rate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821001775.0U CN208482455U (en) | 2018-06-27 | 2018-06-27 | A kind of reaction kettle improving contraposition ester production process ethylene oxide utilization rate |
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| CN208482455U true CN208482455U (en) | 2019-02-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479153A (en) * | 2019-05-17 | 2019-11-22 | 天津科技大学 | It is a kind of can continuous sex work agitating device |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479153A (en) * | 2019-05-17 | 2019-11-22 | 天津科技大学 | It is a kind of can continuous sex work agitating device |
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