CN212663566U - Multistage continuous reaction tower - Google Patents
Multistage continuous reaction tower Download PDFInfo
- Publication number
- CN212663566U CN212663566U CN202021616316.0U CN202021616316U CN212663566U CN 212663566 U CN212663566 U CN 212663566U CN 202021616316 U CN202021616316 U CN 202021616316U CN 212663566 U CN212663566 U CN 212663566U
- Authority
- CN
- China
- Prior art keywords
- reaction
- stirring shaft
- multistage continuous
- continuous reaction
- tower
- 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
Images
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a multistage continuous reaction tower, including skirt and the perpendicular body that sets up on the skirt, this internal agitator that is provided with, the agitator comprises (mixing) shaft and the multilayer paddle of setting on the (mixing) shaft, the body top is provided with transmission, the (mixing) shaft upper end is connected with transmission through flexible shaft coupling, this internal fixation is provided with a plurality of reaction compartments with the body inner space cut apart into with a plurality of partition boards, be provided with material passageway on the partition board, the stirring shaft runs through the partition board through material passageway, the reaction compartment is provided with outward and presss from both sides the cover, be provided with a plurality of baffling boards in the reaction compartment. The utility model has the advantages of simple structure, high reaction efficiency, large operation elasticity, safety and stability.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field, concretely relates to multistage continuous reaction tower.
Background
The device is suitable for the existing synthesis device for large-scale continuous production, and a reaction system is mostly formed by a continuous pipeline type reactor, such as the production devices and processes described in Chinese patent publication numbers CN109608418A, CN109535102A and CN 109912541A; or a reaction system consisting of a plurality of kettles connected in series, such as the production device and the process described in Chinese patent publication Nos. CN205556506U, CN109810074A and CN 110540177A.
The continuous pipeline type reactor has less side reaction and high product quality, but is only suitable for the production process which needs short reaction residence time and high reaction speed, and is not suitable for the material synthesis process with longer reaction residence time. In addition, the continuous pipeline reactor also needs larger pushing kinetic energy to overcome the pipeline resistance and consume more electric energy.
The reaction system composed of multiple kettles connected in series and arranged in series is suitable for the process with longer reaction residence time, but has the following disadvantages:
(1) the reaction kettle with larger volume and a plurality of single reaction kettles are connected in series to form an array, so that the effective conversion rate can be achieved.
(2) The multi-kettle series connection and permutation has the defect of complex DCS and SIS system control systems, corresponding control valves and safety facilities are matched on each single kettle, more control points coexist, and the probability of false alarm is high.
(3) The multi-kettle series-connection permutation has more movable and static sealing points and larger safety risk, and particularly has larger potential safety hazard on a connecting pipeline between the kettles for a continuous production process requiring high temperature and high pressure.
(4) The multi-kettle series arrangement needs a larger factory building and more occupied space.
In order to overcome the defects of a continuous pipeline type reactor and a reaction system formed by connecting a plurality of kettles in series and arraying, researchers develop a tower type reactor for multi-stage continuous reaction.
For example, chinese patent publication No. CN1517299A discloses a device for preparing chlorine dioxide, which is a tower reactor, the tower includes a bottom plate and multiple layers of trays, each layer of tray is provided with a gas distributor and a downcomer, the reaction liquid fed from the top of the tower descends layer by layer through the downcomer overflow layer, and a certain liquid level is maintained in each layer of tray to form a continuous multi-stage reactor, the materials are subjected to continuous multi-stage reaction in the tower, the utilization rate of the materials is greatly improved, the conversion rate of sodium chlorate is over 95%, and the mole ratio of chlorine dioxide to chlorine in the product is 1.9: 1.
Also, for example, chinese patent publication No. CN101653711A discloses a multistage flow guide bubble column reactor and a production process, wherein the reaction section is formed by connecting a reaction column with a flow guide plate; the liquid phase distributor is positioned at the upper end in the tower body, and the micro-bubble generator is positioned at the lower end in the tower body; the top of the tower is provided with an exhaust port, the bottom of the tower is provided with a liquid outlet, the upper end of the reaction section is provided with a liquid phase feed inlet, and the lower end of the reaction section is provided with a gas phase feed inlet; the reaction section is more than two stages. Pumping liquid-phase raw materials into a tower through a liquid-phase distributor by a pump, and enabling the raw materials to flow downwards and sequentially through each stage of reaction section under the action of gravity; the gas-phase raw materials are pumped into the tower through the micro-bubble generator by the compressor, micro-bubbles move upwards under the action of buoyancy and are in countercurrent contact with the liquid-phase raw materials, corresponding reaction is carried out under the guide action of the guide plate, liquid-phase reaction products are discharged from the bottom of the tower, and gas-phase reaction products are discharged from the top of the tower.
For example, chinese patent publication No. CN102585191A discloses a novel tower reactor and its application in continuous production of polyester polyol, and more particularly, to a multistage bubble tower reactor, which is mainly formed by nesting an outer tower and a tower core, and can be applied to the esterification stage and polycondensation stage of continuous production of polyester polyol, or to the ester exchange between dicarboxylic ester and polyol, etc. By adopting the continuous production process and the continuous production device, the residence time in the process is uniform and controllable, the heat transfer and mass transfer in the process are enhanced, the operation cost is effectively reduced, and the flexible production requirement is met.
Also, as disclosed in chinese patent publication No. CN104130140A, a process for producing 3-amino-1, 2-propanediol and a reaction apparatus thereof, the reaction apparatus is a multistage tower fluidized bed continuous reaction apparatus for reacting 3-chloro-1, 2-propanediol with an aqueous ammonia solution to produce 3-amino-1, 2-propanediol, and comprises a mixer, a multistage tower reactor, an evaporator, a crystallization kettle, a condenser, an absorption tower and a circulation pump, the multistage tower reactor is a tower reactor with an internal member, the production process comprises the steps of mixing raw materials, reacting, dehydrating by deamination, removing salt by crystallization and the like, the invention uses the multistage tower reactor with an internal member to realize high-efficiency continuous production, not only ensures sufficient reaction volume, but also realizes a continuous reaction similar to plug flow, the whole apparatus is relatively simple, the operability is strong, the productivity is large, and the process conditions in the process of synthesizing the 3-amino-1, 2-propylene glycol are adjusted by the device, so that the reaction yield is improved to over 90 percent.
For another example, chinese patent publication No. CN210885872U discloses a production apparatus for continuously preparing anhydrous formaldehyde alcoholic solution for glyphosate, comprising: the system comprises a paraformaldehyde transferring device, a multistage reactor communicated with the paraformaldehyde transferring device, and a dehydration tower communicated with the multistage reactor, wherein the top of the dehydration tower is communicated with a condenser, and the bottom of the dehydration tower is communicated with a reboiler; wherein the multistage reactor is a horizontal barrel reactor, comprising: the material feeding hole is arranged at the head end of the reactor, and the material discharging hole is arranged at the tail end of the reactor; a plurality of partition plates which are arranged in the reactor at intervals along the longitudinal direction and divide the interior of the reactor into a plurality of reaction chambers which are arranged transversely; wherein, a liquid channel is arranged between the adjacent reaction chambers. The production device can be used for continuously preparing the anhydrous formaldehyde alcohol solution, can effectively reduce the water content of the solution, meets the production requirement of glyphosate, and is favorable for realizing the continuous production of the glyphosate.
For another example, chinese patent publication No. CN111097358A discloses a reaction recovery system for continuous synthesis of polyamide, which comprises a multistage internal circulation tower reactor and a diamine recovery tower, wherein the reactor is favorable for promoting liquid phase circulation mixing inside each stage of reaction unit, and the diamine recovery tower can timely separate and recover diamine components in mixed vapor. The whole reaction recovery system has the advantages of high heat exchange efficiency, low energy requirement, low investment and maintenance expenditure of equipment and the like.
The tower reactors of the multi-stage continuous reaction have the defects of complex structure, large equipment investment, large operation difficulty, difficult control of the reaction process, short reaction retention time and low conversion rate. Therefore, the development of a tower reactor for multistage continuous reaction which has the advantages of long reaction residence time, high conversion rate, less occupied area and small safety risk is urgently needed.
Disclosure of Invention
The utility model aims at the not enough of prior art, provide a simple structure, reaction efficiency is high, and operation elasticity is big, the multistage continuous reaction tower of safety and stability.
In order to realize the purpose, the utility model discloses a technical scheme be: a multistage continuous reaction tower comprises a skirt and a body vertically arranged on the skirt, wherein a stirrer is arranged in the body, the stirrer is composed of a stirring shaft and a plurality of layers of blades arranged on the stirring shaft, a transmission device is arranged at the top end of the body, the upper end of the stirring shaft is connected with the transmission device through a flexible coupling, a plurality of partition boards are fixedly arranged in the body to divide the space in the body into a plurality of reaction partitions, material channels are arranged on the partition boards, the stirring shaft penetrates through the partition boards through the material channels, a jacket is arranged outside the reaction partitions, and a plurality of baffle plates are arranged in the reaction partitions.
Preferably, the bottom of the interior of the body is fixedly provided with a lower support, and the lower end of the stirring shaft is supported on the lower support.
Preferably, a plurality of intermediate shaft support frames are arranged in the body in parallel along the axial direction of the stirring shaft, the intermediate shaft support frames are fixedly arranged on the inner wall of the body, and limit holes are arranged on the intermediate shaft support frames and sleeved on the stirring shaft for limiting the radial swinging of the stirring shaft.
Preferably, the stirring shaft consists of a plurality of stirring shaft units, and the stirring shaft units are connected through a coupler.
Preferably, the lower part of the body is also provided with at least one material inlet.
Preferably, the upper part of the body is also provided with at least one material outlet.
Preferably, the bottom of the body is also provided with a material discharge port.
Preferably, the body is further provided with a temperature measuring interface, a pressure detecting interface and a connecting pipe interface.
Preferably, a manhole is further arranged on the reaction compartment.
The utility model discloses a fixed a plurality of compartment boards that are provided with in the body straight section of thick bamboo portion of multistage continuous reaction tower, cut apart into a plurality of reaction compartments with the body inner space, constitute multistage series reaction space, the effectual efficiency that has improved the reaction.
The utility model discloses a be provided with a plurality of baffling boards in multistage continuous reaction tower's the reaction compartment, played and increased the hydroturbulence, promoted reactant stream misce bene, prevent that the fluid from taking place the effect of horizontal circumference flow, effectively stopped the dead angle district that reactant stream stops. The baffle plate is matched with the multiple layers of blades arranged on the stirring shaft, so that materials in the reaction compartment form longitudinal circulation, the reaction materials move quickly and are fully mixed, the quick reaction of the materials is facilitated, the effect of quickly exchanging heat with a heating medium in the jacket arranged outside the reaction compartment is achieved, and the reaction efficiency is further improved.
The utility model discloses a still be provided with temperature measurement interface, pressure measurement mouth and takeover mouth on the body of multistage continuous reaction tower. The temperature measurement interfaces distributed outside the cylinder body can facilitate installation of temperature measurement sensors, so that automatic control of a DCS and an SIS system is conveniently realized, the effect of continuously and dynamically monitoring the temperature in each reaction compartment is achieved, and the opening degree of a heating medium in the jacket is fed back and controlled by the DCS through the temperature value of each reaction compartment, so that the temperature of each compartment is controlled. The connecting pipe port can be conveniently connected with an air release pressure release valve, the pressure detection port and the air release pressure release valve connected with the connecting pipe port play a role in adjusting the pressure balance in the tower. The pressure detection port can be convenient for install pressure sensor to convenient realization DCS and SIS system automated control, according to pressure detection's data feedback, by the opening and close operation of DCS and SIS system control evacuation pressure discharge valve.
The utility model discloses an axial along the (mixing) shaft is provided with a plurality of intermediate shaft support frames side by side in multistage continuous reaction tower's this body, and the intermediate shaft support frame is fixed to be set up on the body inner wall, is provided with spacing hole on the intermediate shaft support frame, and spacing pot head is established and is used for restricting the radial swing of (mixing) shaft on the (mixing) shaft, has effectively improved the stability and the reliability of device operation. The stirring shaft is composed of a plurality of stirring shaft units, the stirring shaft units are connected through a coupler, and the upper end of the stirring shaft is connected with a transmission device through a flexible coupler, so that the problem of thermal expansion of the stirring shaft is effectively solved, and the stability and reliability of the operation of the multistage continuous reaction tower are further improved.
The utility model discloses a still be provided with a plurality of manholes on multistage continuous reaction tower's the reaction compartment, conveniently assemble (mixing) shaft and paddle to and the routine maintenance is maintained.
According to the actual production condition, the utility model discloses a body of multistage continuous reaction tower can be formed by a plurality of tower sections adoption integral welding, does not need flange between each section of tower body, is showing to have reduced and moves, static seal point, has effectively improved the security when equipment operation.
Compared with the prior art, the utility model has the advantages of it is following:
1. the multistage continuous reaction tower has the advantages that the structure is simple, the operation is convenient, the temperature measuring interfaces, the pressure detecting ports, the pipe connecting ports and the manholes are arranged on the body of the multistage continuous reaction tower, the temperature measuring interfaces distributed outside the cylinder body can facilitate the installation of temperature measuring sensors, and the effect of continuously and dynamically monitoring the temperature in each reaction compartment is achieved; the connecting pipe port can be conveniently connected with an air relief and pressure discharge valve, and the pressure detection port can be conveniently provided with a pressure sensor; therefore, the DCS and the SIS are conveniently controlled automatically, the opening and closing operation of the air release and exhaust pressure valve is controlled by the DCS and the SIS according to the data feedback of pressure detection, and the opening degree of the heating medium in the jacket to enter and exit the regulating valve is controlled by the temperature value feedback of each reaction compartment, so that the temperature of each compartment is controlled.
2. The reaction efficiency is high, the multi-stage continuous reaction tower of the utility model has the advantages that the plurality of compartment plates are fixedly arranged in the straight barrel part of the body, the space in the body is divided into a plurality of reaction compartments to form a multi-stage series reaction space, and the reaction efficiency is effectively improved; a plurality of baffle plates are arranged in the reaction compartment, so that liquid turbulence is increased, reactant flow is promoted to be uniformly mixed, the transverse circumferential flow of fluid is prevented, and a dead angle area where the reactant flow stays is effectively avoided; the baffle plate is matched with the multiple layers of blades arranged on the stirring shaft, so that materials in the reaction compartment form longitudinal circulation, the effects of quick reaction of the materials and quick heat exchange with a heating medium are facilitated, and the reaction efficiency and the running stability are further improved.
3. The multistage continuous reaction tower has the advantages that the multistage continuous reaction tower is safe and stable, the plurality of intermediate shaft support frames are arranged in parallel along the axial direction of the stirring shaft in the body of the multistage continuous reaction tower, the intermediate shaft support frames are fixedly arranged on the inner wall of the body, the intermediate shaft support frames are provided with limiting holes, and the limiting holes are sleeved on the stirring shaft and used for limiting the radial swing of the stirring shaft, so that the stability and the reliability of the operation of the device are effectively improved; the stirring shaft is composed of a plurality of stirring shaft units, the stirring shaft units are connected through a coupler, and the upper end of the stirring shaft is connected with a transmission device through a flexible coupler, so that the problem of thermal expansion of the stirring shaft is solved, and the stability and reliability of the operation of the multistage continuous reaction tower are further improved.
4. The operation elasticity is big, the utility model discloses a multistage continuous reaction tower has combined the advantage separately of pipeline reactor and many cauldron series connection permutation, can satisfy the requirement that needs different synthetic reactions of different reaction dwell time, has improved application scope greatly.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
FIG. 2 is a schematic view showing the flow direction of the reaction liquid in the reaction compartment of the present invention.
Fig. 3 is a schematic top view of the position of the blades and baffles of the present invention.
Wherein; 1 is transmission, 2 is the pressure detection mouth, 3 is the material export, 4 is the cover that presss from both sides, 5 is the temperature measurement interface, 6 is the paddle, 7 is the compartment board, 8 is the baffling board, 9 is the skirt, 10 is the material drain-off mouth, 11 is the under bracing, 12 is the material import, 13 is the manhole, 14 is intermediate shaft strut, 15 is the material passageway, 16 is the (mixing) shaft, 17 is the reaction compartment, 18 is flexible shaft coupling, 19 is the mouth of pipe, 20 is the body, 21 is spacing hole.
Detailed Description
As shown in the attached drawing, the utility model discloses a multistage continuous reaction tower, be in including skirt 9 and perpendicular setting body 20 on the skirt 9, be provided with the agitator in the body 20, the agitator comprises (mixing) shaft 16 and the paddle 6 of setting on (mixing) shaft 16, body 20 top is provided with transmission 1, the (mixing) shaft 16 upper end is connected with transmission 1 through flexible coupling 18, body 20 straight barrel internal fixation is provided with a plurality of compartment boards 7 and splits into a plurality of reaction compartments 17 with the body 20 inner space, be provided with material passageway 15 on the compartment board 7, (mixing) shaft 16 runs through compartment board 7 through material passageway 15, reaction compartment 17 is provided with outward and presss from both sides cover 4, be provided with a plurality of baffling boards 8 in the reaction compartment 17. The bottom of the inside of the body 20 is fixedly provided with a lower support 11, and the lower end of the stirring shaft 16 is supported on the lower support 11. A plurality of intermediate shaft support frames 14 are arranged in parallel in the axial direction of the stirring shaft 16 in the body 20, the intermediate shaft support frames 14 are fixedly arranged on the inner wall of the body 20, the intermediate shaft support frames 14 are provided with limiting holes 21, and the limiting holes 21 are sleeved on the stirring shaft 16 and used for limiting the radial swing of the stirring shaft 16. The stirring shaft 16 is composed of a plurality of stirring shaft units, and the stirring shaft units are connected through a coupler. The lower part of the body 20 is also provided with at least one material inlet 12, the upper part of the body 20 is also provided with at least one material outlet 3, the bottom of the body 20 is also provided with a material exhaust port 10, the body 20 is also provided with a temperature measuring interface 5, a pressure detecting port 2 and a pipe connecting port 19, and the reaction compartment 17 is also provided with at least one manhole 13.
The utility model discloses a multistage continuous reaction tower operation flow does: the reaction materials continuously enter a plurality of reaction compartments 17 from a material inlet 12 in sequence for reaction, in the reaction compartments 17, the reaction material flow forms longitudinal circulation under the matching action of a baffle plate 8 and blades 6 arranged on a stirring shaft 16, so that the reaction materials rapidly move and are fully mixed, the materials rapidly react and rapidly exchange heat with a heating medium in a jacket 4 arranged outside the reaction compartments 17, after one reaction compartment 17 finishes part of reaction, the reaction materials sequentially enter the next reaction compartment through a material channel 15 for continuous reaction, and after all the reaction is finished, the reaction materials continuously flow out from a material outlet 3. The heat medium in the jacket 4 plays a role of transferring heat, and the reaction temperature of each reaction chamber is controlled by adjusting the flow rate of the heat medium.
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the examples.
Example 1
Multistage continuous reaction tower, be in including skirt 9 and perpendicular setting body 20 on the skirt 9, be provided with the agitator in the body 20, the agitator comprises (mixing) shaft 16 and fourteen layers of paddle 6 of setting on (mixing) shaft 16, body 20 top is provided with transmission 1, the (mixing) shaft 16 upper end is connected with transmission 1 through flexible coupling 18, body 20 internal fixation is provided with six compartment boards 7 and divides the space into seven reaction compartments 17 with body 20 inner space, be provided with material passageway 15 on the compartment board 7, (mixing) shaft 16 runs through compartment board 7 through material passageway 15, reaction compartment 17 is provided with outward and presss from both sides cover 4, all be provided with four baffling boards 8 in every reaction compartment 17. The bottom of the inside of the body 20 is fixedly provided with a lower support 11, and the lower end of the stirring shaft 16 is supported on the lower support 11. Two middle shaft support frames 14 are arranged in parallel in the axial direction of the stirring shaft 16 in the body 20, the middle shaft support frames 14 are fixedly arranged on the inner wall of the body 20, limiting holes 21 are arranged on the middle shaft support frames 14, and the limiting holes 21 are sleeved on the stirring shaft 16 and used for limiting radial swing of the stirring shaft 16. The stirring shaft 16 consists of seven stirring shaft units, and the stirring shaft units are connected through a coupler. The lower part of the body 20 is also provided with a material inlet 12, the upper part of the body 20 is also provided with a material outlet 3, the bottom of the body 20 is also provided with a material discharge port 10, the body 20 is also provided with a temperature measuring interface 5, a pressure detecting port 2 and a pipe connecting port 19, and each reaction compartment 17 is also provided with a manhole 13.
Example 2
A multistage continuous reaction tower comprises a skirt 9 and a body 20 vertically arranged on the skirt 9, wherein a stirrer is arranged in the body 20 and consists of a stirring shaft 16 and twelve layers of blades 6 arranged on the stirring shaft 16, a transmission device 1 is arranged at the top end of the body 20, the upper end of the stirring shaft 16 is connected with the transmission device 1 through a flexible coupling 18, five partition boards 7 are fixedly arranged in the body 20 to divide the space in the body 20 into six reaction partitions 17, a material passage 15 is arranged on each partition board 7, the stirring shaft 16 penetrates through the partition boards 7 through the material passage 15, a jacket 4 is arranged outside each reaction partition 17, and three baffle plates 8 are arranged in each reaction partition 17. The bottom of the inside of the body 20 is fixedly provided with a lower support 11, and the lower end of the stirring shaft 16 is supported on the lower support 11. Three intermediate shaft support frames 14 are arranged in the body 20 in parallel along the axial direction of the stirring shaft 16, the intermediate shaft support frames 14 are fixedly arranged on the inner wall of the body 20, limiting holes 21 are arranged on the intermediate shaft support frames 14, and the limiting holes 21 are sleeved on the stirring shaft 16 and used for limiting the radial swing of the stirring shaft 16. The stirring shaft 16 consists of six stirring shaft units, and the stirring shaft units are connected through a coupler. The lower part of the body 20 is also provided with two material inlets 12, the upper part of the body 20 is also provided with two material outlets 3, the bottom of the body 20 is also provided with a material drainage port 10, the body 20 is also provided with a temperature measurement interface 5, a pressure detection port 2 and a pipe connection port 19, and each reaction compartment 17 is also provided with a manhole 13.
Example 3
Multistage continuous reaction tower, be in including skirt 9 and perpendicular setting body 20 on the skirt 9, be provided with the agitator in the body 20, the agitator comprises (mixing) shaft 16 and fifteen layers of paddle 6 of setting on (mixing) shaft 16, body 20 top is provided with transmission 1, the (mixing) shaft 16 upper end is connected with transmission 1 through flexible coupling 18, body 20 internal fixation is provided with four partition boards 7 and divides the space into five reaction compartments 17 with body 20 inner space, be provided with material passageway 15 on the partition board 7, (mixing) shaft 16 runs through partition board 7 through material passageway 15, reaction compartment 17 is provided with outward and presss from both sides cover 4, all be provided with two baffling boards 8 in every reaction compartment 17. The bottom of the inside of the body 20 is fixedly provided with a lower support 11, and the lower end of the stirring shaft 16 is supported on the lower support 11. Four intermediate shaft support frames 14 are arranged in parallel in the axial direction of the stirring shaft 16 in the body 20, the intermediate shaft support frames 14 are fixedly arranged on the inner wall of the body 20, limiting holes 21 are arranged on the intermediate shaft support frames 14, and the limiting holes 21 are sleeved on the stirring shaft 16 and used for limiting radial swing of the stirring shaft 16. The stirring shaft 16 consists of five stirring shaft units, and the stirring shaft units are connected through a coupler. The lower part of the body 20 is also provided with three material inlets 12, the upper part of the body 20 is also provided with three material outlets 3, the bottom of the body 20 is also provided with a material drainage port 10, the body 20 is also provided with a temperature measurement interface 5, a pressure detection port 2 and a pipe connection port 19, and each reaction compartment 17 is also provided with two manholes 13.
Example 4
A multistage continuous reaction tower comprises a skirt 9 and a body 20 vertically arranged on the skirt 9, wherein a stirrer is arranged in the body 20 and comprises a stirring shaft 16 and eight layers of blades 6 arranged on the stirring shaft 16, a transmission device 1 is arranged at the top end of the body 20, the upper end of the stirring shaft 16 is connected with the transmission device 1 through a flexible coupling 18, seven partition boards 7 are fixedly arranged in the body 20 to divide the space in the body 20 into eight reaction partitions 17, a material passage 15 is arranged on each partition board 7, the stirring shaft 16 penetrates through the partition boards 7 through the material passage 15, a jacket 4 is arranged outside each reaction partition 17, and five baffle plates 8 are arranged in each reaction partition 17. The bottom of the inside of the body 20 is fixedly provided with a lower support 11, and the lower end of the stirring shaft 16 is supported on the lower support 11. Two middle shaft support frames 14 are arranged in parallel in the axial direction of the stirring shaft 16 in the body 20, the middle shaft support frames 14 are fixedly arranged on the inner wall of the body 20, limiting holes 21 are arranged on the middle shaft support frames 14, and the limiting holes 21 are sleeved on the stirring shaft 16 and used for limiting radial swing of the stirring shaft 16. The stirring shaft 16 consists of eight stirring shaft units, and the stirring shaft units are connected through a coupler. The lower part of the body 20 is also provided with three material inlets 12, the upper part of the body 20 is also provided with two material outlets 3, the bottom of the body 20 is also provided with a material drainage port 10, the body 20 is also provided with a temperature measurement interface 5, a pressure detection port 2 and a pipe connection port 19, and each reaction compartment 17 is also provided with two manholes 13.
Claims (9)
1. A multistage continuous reaction tower comprises a skirt and a body vertically arranged on the skirt, and is characterized in that a stirrer is arranged in the body and consists of a stirring shaft and a plurality of layers of blades arranged on the stirring shaft, a transmission device is arranged at the top end of the body, the upper end of the stirring shaft is connected with the transmission device through a flexible coupling, a plurality of partition plates are fixedly arranged in the body to divide the space in the body into a plurality of reaction partitions, material channels are arranged on the partition plates, the stirring shaft penetrates through the partition plates through the material channels, a jacket is arranged outside the reaction partitions, and a plurality of baffle plates are arranged in the reaction partitions.
2. The multistage continuous reaction column according to claim 1, wherein a lower support is fixedly provided at the bottom of the inside of the body, and the lower end of the stirring shaft is supported on the lower support.
3. The multistage continuous reaction tower as claimed in claim 1, wherein a plurality of intermediate shaft supports are arranged in the body in parallel along the axial direction of the stirring shaft, the intermediate shaft supports are fixedly arranged on the inner wall of the body, and limit holes are arranged on the intermediate shaft supports and are sleeved on the stirring shaft for limiting the radial swing of the stirring shaft.
4. The multistage continuous reaction column according to claim 1, wherein the stirring shaft is composed of a plurality of stirring shaft units, and the stirring shaft units are connected through a coupling.
5. The multistage continuous reaction column according to claim 1, wherein the lower part of the body is further provided with at least one material inlet.
6. The multistage continuous reaction column according to claim 1, wherein the upper part of the body is further provided with at least one material outlet.
7. The multistage continuous reaction column according to claim 1, wherein a material discharge port is further provided at the bottom of the body.
8. The multistage continuous reaction tower as claimed in claim 1, wherein the body is further provided with a temperature measuring interface, a pressure detecting interface and a connecting pipe interface.
9. The multistage continuous reaction column according to claim 1, wherein the reaction compartments are further provided with manholes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021616316.0U CN212663566U (en) | 2020-08-06 | 2020-08-06 | Multistage continuous reaction tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021616316.0U CN212663566U (en) | 2020-08-06 | 2020-08-06 | Multistage continuous reaction tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212663566U true CN212663566U (en) | 2021-03-09 |
Family
ID=74821134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021616316.0U Active CN212663566U (en) | 2020-08-06 | 2020-08-06 | Multistage continuous reaction tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212663566U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499749A (en) * | 2021-07-20 | 2021-10-15 | 浙江工业大学 | Method and device for continuously preparing biodiesel by multiple towers in series connection |
| CN113842858A (en) * | 2021-09-24 | 2021-12-28 | 中国科学院山西煤炭化学研究所 | Reaction tower with reaction shallow pool and method for preparing ethylene carbonate by using reaction tower |
-
2020
- 2020-08-06 CN CN202021616316.0U patent/CN212663566U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499749A (en) * | 2021-07-20 | 2021-10-15 | 浙江工业大学 | Method and device for continuously preparing biodiesel by multiple towers in series connection |
| CN113842858A (en) * | 2021-09-24 | 2021-12-28 | 中国科学院山西煤炭化学研究所 | Reaction tower with reaction shallow pool and method for preparing ethylene carbonate by using reaction tower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212663566U (en) | Multistage continuous reaction tower | |
| CN1208237C (en) | Method for preparing an aqueous hydrogen peroxide solution directly from hydrogen and oxygen and implementing device | |
| US20130129576A1 (en) | Multiphase catalytic tower-type impinging-stream reactor | |
| AU2020267320A1 (en) | Built-in micro interfacial enhanced reaction system and process for pta production with px | |
| CN101531588B (en) | The manufacture method of a kind of new pure terephthalic acid | |
| CN103007862A (en) | Gas-liquid stirring reactor for synthesizing acrylic acid and ester through acetylene carbonylation method | |
| US3316064A (en) | Apparatus for continuous polycondensation reaction | |
| CN212092235U (en) | Phenyl silicone rubber production device for quickly separating hydrogen chloride gas | |
| CN111087378A (en) | Method for preparing ethylene carbonate | |
| CN111672405A (en) | Multi-material fluid self-stirring and grading mixing reaction device | |
| KR20040015133A (en) | Reactor for gas/liquid or gas/liquid/solid reactions | |
| CN113908786A (en) | 2B acid crude production system | |
| CN111974330A (en) | Multistage continuous reaction tower | |
| CN111013497B (en) | Tube array reactor | |
| WO2013143248A1 (en) | Continuous ozonation reaction device and operating method therefor | |
| CN101831063A (en) | Combined type polyester reaction tower | |
| CN100572520C (en) | Horizontal baffled alcohol fermentation tank | |
| CN100460051C (en) | Double circumfluence composite type reaction device | |
| CN212894539U (en) | Reaction system for producing high molecular weight polyester by continuous melt polycondensation | |
| WO2022148162A1 (en) | Reaction device, and system and method for synthesizing acetic acid from carbonyl | |
| CN212595615U (en) | Reaction unit and system for synthesizing acetic acid by methanol carbonyl | |
| RU2330715C1 (en) | Reactor | |
| CN115041106B (en) | Reactor for preparing trichlorotoluene and preparation method | |
| CN112915933A (en) | Large-flux continuous gas-liquid heterogeneous reactor | |
| CN107497374B (en) | Cyclohexane oxidation reactor and using method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |