CN201969546U - Multiphase chemical reactor - Google Patents
Multiphase chemical reactor Download PDFInfo
- Publication number
- CN201969546U CN201969546U CN201120067065XU CN201120067065U CN201969546U CN 201969546 U CN201969546 U CN 201969546U CN 201120067065X U CN201120067065X U CN 201120067065XU CN 201120067065 U CN201120067065 U CN 201120067065U CN 201969546 U CN201969546 U CN 201969546U
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- heat exchange
- chemical reaction
- reaction device
- reactor
- solid matter
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Abstract
The utility model discloses a multiphase chemical reactor, and includes a reactor body, multi-stage impellers and heat exchanger coils which are arranged in the inner-axial of the body, and at least two parts of close-packed spiral heat exchanger coils which are arranged in the inner-axial of the body, the diameter of the centerline of the heat exchanger coils is greater than the diameter of the described impellers; at least two rectangular side wall baffles are arranged symmetrically along the vertical direction of the side wall in the body; gap is left between the side wall baffles and the close-packed spiral heat exchanger coils; at least one rectangular groove is arranged in the side wall baffles between two adjacent heat exchanger coils; at least two curved baffles are arranged at the bottom of the described body. The utility model can promote the absorption of gases and the process of the reaction, and improve the utilization of volumes and reaction effects of the reactor.
Description
Technical field
The utility model relates to a kind of reactor, particularly relates to a kind of heterogeneous chemical reaction device.
Background technology
The reaction system that the benzene partial hydrogenation that carries out under the solid catalyst effect prepares cyclohexene is a kind of ternary four phase reaction systems: gas phase (hydrogen of gaseous state), oil phase (liquid benzene, cyclohexene etc.), water (liquid water) and be suspended in solid catalyst subparticle in the water.
The reaction unit of existing producing cyclohexenol through benzene plus hydrogen technology mostly be vertical oval tubular, in establish the autoclave of multistage paddle and spiral heat exchange coil.Benzene and hydrogen as reaction raw materials enter conduit of the slotting end by the top mouth of pipe, and the distributor through the bottom enters the circular flow of the multiphase mixture in the reactor again.This circular flow is promoted by multistage paddle, is a kind of circular flow of integral body, promptly in the reactor center zone from top to bottom until the bottom, then from bottom to top rise to the stable region of reactor head in the reactor neighboring area.Because being the distributor through the bottom, hydrogen and benzene enters circular flow, so the central area is significantly on the low side by the ratio of contained bubble and drop in the downward circulation of fluid in top.
The utility model content
The technical problems to be solved in the utility model provides a kind of heterogeneous chemical reaction device, can promote the carrying out of the absorption and the reaction of gas, has improved the capacity utilization and the reaction effect of reactor.
For solving the problems of the technologies described above, the utility model provides a kind of heterogeneous chemical reaction device, comprise reactor body, multistage paddle and heat exchange coil axially are set in the body, at least two sections solid matter formula spiral heat exchange coils axially are set in the described body, and the heat exchange coil centerline diameter is greater than the diameter of described paddle; Vertical direction is symmetrical arranged at least two rectangular side wall baffle plates on the described body madial wall, leaves the gap between sidewall baffle plate and the described solid matter formula spiral heat exchange coil, offers at least one rectangular recess on the sidewall baffle plate between the two neighboring sections heat exchange coil; Described body bottom is provided with at least two curved bottom baffle plates.
Above-mentioned heterogeneous chemical reaction device wherein, is provided with one section solid matter formula spiral heat exchange coil at least between the described adjacent two-stage paddle.
Above-mentioned heterogeneous chemical reaction device wherein, is provided with three grades of paddles in the described body, four sections solid matter formula spiral heat exchange coils are set in the described body.
Above-mentioned heterogeneous chemical reaction device, wherein, the groove on two sidewall baffle plates of described symmetry is for being symmetrical arranged.
Above-mentioned heterogeneous chemical reaction device, wherein, described body interior is symmetrical arranged four sidewall baffle plates.
Above-mentioned heterogeneous chemical reaction device, wherein, described body bottom is provided with 4 bottom baffles.
Heterogeneous chemical reaction device of the present utility model can be obtained following beneficial effect:
Reactor is provided with multistage paddle the reaction system is applied circulating of enough shearing forces and driving a reaction material, the reactor madial wall is provided with the sidewall baffle plate that has rectangular recess, the bottom is provided with bottom baffle and is equipped with segmentation solid matter formula spiral heat exchange coil and circulates state in order to improve the reaction system, bottom baffle can make bottoms guide sidewall into upwards to flow, bubble in the reactor madial wall upwelling and drop have an opportunity to return in the downlink cycle stream of center near the sidewall blind recess, solid matter formula spiral heat exchange coil then can be brought into play the effect of guide shell, thereby near the rising bubble the reactor madial wall is had an opportunity to return the central area and made downlink cycle.This just makes the multistage stirred reactor of the more approaching series connection of basic status that system flows in the reactor of the present invention, thereby has promoted the absorption of hydrogen, has improved the capacity utilization and the reaction effect of reactor, has improved benzene conversion ratio and cyclohexene selectivity.
Description of drawings
Fig. 1 is the utility model heterogeneous chemical reaction device structural representation;
Fig. 2 is a reactor A B section amplification sectional view among the utility model Fig. 1;
Fig. 3 is that vertical view is simplified in the utility model heterogeneous chemical reaction device bottom.
The specific embodiment
Describe the utility model in detail below in conjunction with drawings and Examples.
As illustrated in fig. 1 and 2, the heterogeneous chemical reaction device comprises body 6, body 6 tops are provided with gas-phase feed mouth 14 and oil phase charging aperture 15, gas-phase feed mouth 14 belows are provided with gas phase conduit 12, be connected with the annular gas phase distributor 9 of reactor bottom, oil phase charging aperture 15 belows are provided with oil phase conduit 13, are connected with the annular oil phase distributor 7 of reactor bottom.3 grades of paddles 5 axially are set in the body 6, and paddle 5 is driven by the drive unit 1 at body 6 outer tops, and four sections solid matter formula spiral heat exchange coils 4 axially also are set in the body 6, and the centerline diameter D1 of heat exchange coil 4 is greater than the diameter D2 of screw 5.Vertical direction is symmetrical arranged 4 rectangular side wall baffle plates 3 on reactor body 6 madial walls, leave the gap between sidewall baffle plate 3 and the solid matter formula spiral heat exchange coil 4, referring to shown in Figure 2, offer rectangular recess 11 on the sidewall baffle plate 3 between adjacent two sections solid matter formula spiral heat exchange coils 4, the groove 11 on two sidewall baffle plates 3 of symmetry can be symmetrical arranged.As shown in figs. 1 and 3, body 6 inner bottom parts are provided with 4 bottom baffles 8.On body 6 lateral walls charging aperture 16 is set, be used for another material charging, the top is provided with downflow weir 2 in the body 6, near on body 6 sidewalls of downflow weir 2 product discharging opening 17 is set, body 6 tops are provided with exhaust outlet 18, be used to discharge unreacted gas, body 6 bottoms are provided with liquid outlet 10, are used to out, stop.
As shown in Figure 1, reactor in the course of the work, hydrogen enters in the reactor by gas phase conduit 12 from gas-phase feed mouth 14, distribute by gas phase distributor 9, benzene enters by oil phase conduit 13 from oil phase charging aperture 15 and enters in the reactor, distribute by oil phase distributor 7, the outstanding slurry of catalyst enters in the reactor by charging aperture 16,5 pairs of hydrogen of paddle, reaction masses such as the outstanding slurry of benzene and catalyst apply enough shearing forces, so that oil, the gas two-phase forms enough little the dripping of diameter, bubble is scattered in the outstanding slurry of the catalyst that circulates, mix logistics and flow downward to the bottom in the central area of reactor, the bottom baffle 8 of reactor bottom rotates fluid along stirrer paddle tangential direction guides to the direction of body 6 madial walls, and the effect of bottom baffle 8 is that fluid is guided to upwards flowing near body 6 madial walls by flowing downward of central area.Fluid is in making progress process of flowing along body 6 madial walls, owing on the sidewall baffle plate 3 between the two neighboring sections solid matter formula spiral heat exchange coil groove 11 is set, can strengthen the rotating flow in this section zone, thereby bubble and drop near sidewall are moved under the action of the centrifugal to the central area, turn back in the downlink cycle stream of center, the effect that solid matter formula spiral heat exchange coil can play guide shell simultaneously enters in the downlink cycle stream bubble and drop, so near rising bubble reactor body 6 madial walls and drop are had an opportunity to return the central area and are made downlink cycle, so that hydrogen is fully absorbed.Therefore, the multistage stirred reactor that the flow regime of system approaches to connect in the reactor has improved reactor internal volume utilization rate.By discharging opening 17 extraction, can be discharged by exhaust outlet 18 by unreacted hydrogen by downflow weir 2 for product.
Claims (6)
1. heterogeneous chemical reaction device, comprise reactor body, multistage paddle and heat exchange coil axially are set in the body, it is characterized in that, at least two sections solid matter formula spiral heat exchange coils axially are set in the described body, and the heat exchange coil centerline diameter is greater than the diameter of described paddle; Vertical direction is symmetrical arranged at least two rectangular side wall baffle plates on the described body madial wall, leave the gap between sidewall baffle plate and the described solid matter formula spiral heat exchange coil, on the sidewall baffle plate between the two neighboring sections solid matter formula spiral heat exchange coil, offer at least one rectangular recess; Described body bottom is provided with at least two curved bottom baffle plates.
2. heterogeneous chemical reaction device as claimed in claim 1 is characterized in that, one section solid matter formula spiral heat exchange coil is set between the described adjacent two-stage paddle at least.
3. heterogeneous chemical reaction device as claimed in claim 1 is characterized in that, three grades of paddles are set in the described body, and four sections solid matter formula spiral heat exchange coils are set in the described body.
4. heterogeneous chemical reaction device as claimed in claim 1 is characterized in that, the groove on two sidewall baffle plates of described symmetry is for being symmetrical arranged.
5. heterogeneous chemical reaction device as claimed in claim 1 is characterized in that, described body interior is symmetrical arranged four sidewall baffle plates.
6. heterogeneous chemical reaction device as claimed in claim 1 is characterized in that, described body bottom is provided with 4 bottom baffles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120067065XU CN201969546U (en) | 2011-03-15 | 2011-03-15 | Multiphase chemical reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120067065XU CN201969546U (en) | 2011-03-15 | 2011-03-15 | Multiphase chemical reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201969546U true CN201969546U (en) | 2011-09-14 |
Family
ID=44574653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120067065XU Expired - Lifetime CN201969546U (en) | 2011-03-15 | 2011-03-15 | Multiphase chemical reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201969546U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580629A (en) * | 2012-03-20 | 2012-07-18 | 中国天辰工程有限公司 | Gas-liquid-liquid-solid reaction device |
| CN103769015A (en) * | 2012-10-18 | 2014-05-07 | 中国石油大学(北京) | Segmented circulation reactor with flow guiding component on inner wall of outer barrel |
| CN104128133A (en) * | 2014-07-10 | 2014-11-05 | 中国化学赛鼎宁波工程有限公司 | Swept-back high-efficiency hot-plate diversion rectification multiphase reaction kettle |
| CN112552139A (en) * | 2019-09-10 | 2021-03-26 | 南京延长反应技术研究院有限公司 | System and process for reinforcing cyclohexene prepared by benzene hydrogenation |
-
2011
- 2011-03-15 CN CN201120067065XU patent/CN201969546U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580629A (en) * | 2012-03-20 | 2012-07-18 | 中国天辰工程有限公司 | Gas-liquid-liquid-solid reaction device |
| CN103769015A (en) * | 2012-10-18 | 2014-05-07 | 中国石油大学(北京) | Segmented circulation reactor with flow guiding component on inner wall of outer barrel |
| CN104128133A (en) * | 2014-07-10 | 2014-11-05 | 中国化学赛鼎宁波工程有限公司 | Swept-back high-efficiency hot-plate diversion rectification multiphase reaction kettle |
| CN104128133B (en) * | 2014-07-10 | 2016-04-13 | 中国化学赛鼎宁波工程有限公司 | Swept-back efficient hot plate water conservancy diversion rectification heterogeneous reaction still |
| CN112552139A (en) * | 2019-09-10 | 2021-03-26 | 南京延长反应技术研究院有限公司 | System and process for reinforcing cyclohexene prepared by benzene hydrogenation |
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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: 20110914 |