CN106179038B - Stirring shaft capable of exchanging heat and tubular reactor - Google Patents
Stirring shaft capable of exchanging heat and tubular reactor Download PDFInfo
- Publication number
- CN106179038B CN106179038B CN201610791287.3A CN201610791287A CN106179038B CN 106179038 B CN106179038 B CN 106179038B CN 201610791287 A CN201610791287 A CN 201610791287A CN 106179038 B CN106179038 B CN 106179038B
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- main shaft
- shaft
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- heat
- connecting pipe
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- 238000003756 stirring Methods 0.000 title claims abstract description 48
- 239000002994 raw material Substances 0.000 claims abstract description 31
- 239000000376 reactant Substances 0.000 claims abstract description 30
- 238000004804 winding Methods 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims 8
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 239000003507 refrigerant Substances 0.000 description 31
- 230000000694 effects Effects 0.000 description 14
- 239000000463 material Substances 0.000 description 7
- 238000012546 transfer Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
- B01F27/1921—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements comprising helical elements and paddles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71705—Feed mechanisms characterised by the means for feeding the components to the mixer using belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/93—Heating or cooling systems arranged inside the receptacle
-
- 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
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1812—Tubular reactors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses a heat-replaceable stirring shaft, which belongs to the field of chemical reaction devices and comprises a main shaft, wherein a first cavity and a second cavity which are mutually isolated are arranged in the main shaft, and an opening is formed in one end of the main shaft in each of the first cavity and the second cavity; a first connecting pipe is arranged on the main shaft and communicated with the first cavity, a second connecting pipe is arranged on the main shaft and communicated with the second cavity, and at least one winding pipe is arranged between the first connecting pipe and the second connecting pipe to be communicated; according to the invention, the heat exchange medium is introduced into the area of the internal communicating pipeline, so that the heat exchange in the reactor can be realized; the structure that the winding pipe is spirally wound around the main shaft realizes the stirring function of the reactant raw materials and pushes one axial end of the reactant raw material main shaft to convey the reactant raw materials; according to the invention, the heat exchange pipeline can be more fully contacted with the reactant raw materials through the rotary motion of the stirring column on the main shaft, so that the heat exchange efficiency is greatly improved.
Description
Technical Field
The invention relates to the field of chemical reaction devices, in particular to a heat-replaceable stirring shaft and a tubular reactor.
Background
Chemical reaction usually produces a large amount of heat, so a heat exchange device is often arranged on the reactor, and the heat exchange device with a mechanical stirrer structure can improve the heat exchange and stirring capacity of the reactor, for example, a scraper is additionally arranged on a spiral stirrer to improve the heat transfer coefficient of a jacket, but the method makes the structure of the reactor and the stirrer complicated, and the stirring power increased by the scraper is converted into stirring heat at a certain stirring speed, so that the load of heat exchange is increased.
The heat transfer device structure energy consumption of current mechanical agitator is high, the heat transfer effect is poor, and current mechanical agitator can only play the effect of stirring and heat transfer, when carrying out the chemical reaction in tubular reactor, reactant raw materials need get into from tubular reactor in one end, after intraductal chemical reaction, from tubular reactor's other end output, just require that the mechanical agitator in this tubular reactor not only need stir the function with the heat transfer, still need have the function of carrying the reactant raw materials from tubular reactor's one end to the other end.
Disclosure of Invention
For the problems in the prior art, the heat-replaceable stirring shaft and the tubular reactor provided by the invention can obtain better stirring and heat-exchanging effects under the condition of lower energy consumption, and can realize the conveying function of reactant raw materials in the reactor.
In a first aspect, the invention provides a heat-replaceable stirring shaft, which comprises a main shaft, wherein a first cavity and a second cavity which are isolated from each other are arranged in the main shaft, and an opening is formed in one end of the main shaft of each of the first cavity and the second cavity; the main shaft is provided with a first connecting pipe communicated with the first cavity, the main shaft is provided with a second connecting pipe communicated with the second cavity, and at least one winding pipe is arranged between the first connecting pipe and the second connecting pipe to be communicated. The heat exchange medium can flow in the channel formed by communicating the first cavity, the first connecting pipe, the winding pipe, the second connecting pipe and the second cavity, so that the heat exchange effect is achieved, and meanwhile, the structure formed by the main shaft, the first connecting pipe, the winding pipe and the second connecting pipe has a certain stirring effect and a certain reactant raw material conveying effect.
Preferably, the winding tube is spirally wound around the main shaft. The contact area of a winding pipe can be effectively increased by spirally winding the winding pipe around the main shaft, the heat exchange effect is improved, the spiral structure of the winding pipe has a better stirring effect, and the function of conveying reactant raw materials to one axial end of the main shaft can be better realized while the reactant raw materials are stirred.
As a preferable technical scheme, when the number of the winding pipes is two or more, the adjacent winding pipes are arranged side by side and attached to each other. The combined shape of the plurality of winding pipes can further improve the heat exchange, stirring and reactant raw material conveying effects.
According to the preferable technical scheme, one end, provided with an opening, of the main shaft is connected with a rotary joint, a first refrigerant port and a second refrigerant port are formed in the rotary joint, the first refrigerant port is communicated with the first cavity, and the second refrigerant port is communicated with the second cavity. The first refrigerant port and the second refrigerant port of the rotary joint are used for conveniently realizing the leading-in and leading-out of the heat exchange medium.
Preferably, the swivel joint is sleeved on the inner side of the end of the main shaft or sleeved on the outer side of the end of the main shaft.
According to the preferable technical scheme, an inner pipe is arranged in the rotary joint, one end of the inner pipe is communicated with the first cavity, and the other end of the inner pipe is communicated with the first refrigerant port. The inner pipe can make the communicating region of the first refrigerant port and the second refrigerant port of the rotary joint not be isolated, but the communicating region of the first refrigerant port and the second refrigerant port is isolated through the inner pipe, and the processing difficulty and the manufacturing cost of the rotary joint are reduced.
As a preferable technical scheme, the inner pipe and the first refrigerant port are in interference connection.
As a preferable technical scheme, a communication part of the inner pipe and the first chamber is provided with a separation plate, and the separation plate and the inner pipe separate a communication area of the first chamber and the first refrigerant port and a communication area of the second chamber and the second refrigerant port. The partition plate and the inner tube ensure that the inflow and outflow regions of the heat exchange medium are completely isolated.
As a preferable technical scheme, a plurality of stirring columns are arranged on the main shaft. The stirring column can improve the stirring efficiency of the stirring shaft.
As a preferable technical scheme, the stirring columns are uniformly staggered on the main shaft.
As a preferred technical scheme, one end of the spindle, which is closed, is connected with a coupling, and the coupling is connected with a driving device.
In a second aspect, the invention provides a tubular reactor, which comprises a reactor shell, wherein the heat-exchangeable stirring shaft is arranged in the reactor shell, the heat-exchangeable stirring shaft is rotationally fixed at two ends of the reactor shell, and a sealing assembly is arranged at the rotationally fixed position of the reactor shell and the heat-exchangeable stirring shaft. The sealing assembly is used for ensuring the sealing of the inner part of the reactor shell when the main shaft rotates.
As a preferable technical scheme, at least two raw material inlets are arranged on the reactor shell, and at least one raw material inlet is connected with a distributor component; the reactor shell is also provided with an air vent and a reactant outlet. The distributor component can effectively ensure that the entering reactant raw materials can be fully and uniformly mixed and reacted with other raw materials.
The beneficial effects of the invention are as follows:
1. according to the invention, the heat exchange medium is introduced into the area of the internal communicating pipeline, so that the heat exchange in the reactor can be realized; meanwhile, the structure that the winding pipe is spirally wound around the main shaft can push the reactant raw materials to be conveyed to one axial end of the main shaft while realizing the stirring function of the reactant raw materials.
2. The main shaft structure of the invention occupies smaller space, effectively saves the internal space of the reactor, and is particularly suitable for a tubular reactor with limited internal space.
3. According to the invention, the pipeline realizing the heat exchange function can be more fully contacted with the reactant raw materials through the rotary motion of the stirring column on the main shaft, so that the heat exchange efficiency is greatly improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a heat-exchangeable stirring shaft according to the present invention;
FIG. 2 is a schematic view of the overall structure of a tubular reactor according to the present invention;
in the figure: 1-main shaft, 2-first chamber, 3-second chamber, 4-first connecting pipe, 5-second connecting pipe, 6-winding pipe, 7-stirring column, 8-rotary joint, 9-first refrigerant port, 10-second refrigerant port, 11-inner pipe, 12-partition plate, 13-coupler, 14-reactor shell, 15-first raw material inlet, 16-second raw material inlet, 17-distributor component, 18-sealing component, 19-vent and 20-reactant outlet.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of a heat-replaceable stirring shaft in the present invention, which includes a main shaft 1, a first chamber 2 and a second chamber 3 isolated from each other are provided in the main shaft 1, both the first chamber 2 and the second chamber 3 are provided with an opening at one end of the main shaft 1, the main shaft 1 is provided with a first connecting pipe 4 communicated with the first chamber 2, the main shaft 1 is provided with a second connecting pipe 5 communicated with the second chamber 3, a winding pipe 6 is provided between the first connecting pipe 4 and the second connecting pipe 5 for communication, and the main shaft 1 is provided with a plurality of stirring columns 7.
One end of the opening of the main shaft 1 is connected with a rotary joint 8, a first refrigerant port 9 and a second refrigerant port 10 are arranged on the rotary joint 8, the first refrigerant port 9 is communicated with the first cavity 2, and the second refrigerant port 10 is communicated with the second cavity 3; an inner pipe 11 is arranged in the rotary joint 8, one end of the inner pipe 11 is communicated with the first chamber 2, and the other end of the inner pipe 11 is communicated with the first refrigerant port 9; a partition plate 12 is arranged at the communication position of the inner pipe 11 and the first chamber 2, and the partition plate 12 and the inner pipe 11 separate the first chamber 2 from the second chamber 3; the closed end of the main shaft 1 is connected with a coupling 13.
Fig. 2 is a schematic diagram of the overall structure of a tubular reactor according to the present invention, which includes a reactor shell 14, wherein a heat-exchangeable stirring shaft is disposed in the reactor shell 14, the heat-exchangeable stirring shaft is rotatably fixed at two ends of the reactor shell 14, and a sealing assembly 18 is disposed at a connection between the reactor shell 14 and the heat-exchangeable stirring shaft.
A first raw material inlet 15 and a second raw material inlet 16 are arranged on the reactor shell 1, and the first raw material inlet 15 is connected with a distributor component 17; the reactor housing 14 is provided with a vent 19 and a reactant outlet 20.
The specific working mode of the invention is as follows:
as shown in fig. 1, the first refrigerant port 9, the inner tube 11, the first chamber 2, the first connecting pipe 4, the winding pipe 6, the second connecting pipe 5, the second chamber 3, and the second refrigerant port 10 sequentially form a communicating channel, a heat exchange medium can flow in the channel formed thereby, so as to perform a heat exchange function, the flow direction of the heat exchange medium is forward flow or reverse flow, and meanwhile, a structure formed by the main shaft 1, the first connecting pipe 4, the winding pipe 6, and the second connecting pipe 5 has a certain stirring effect and a reactant raw material conveying effect.
The spiral winding of the winding pipe 6 around the main shaft 1 can effectively increase the contact area of the winding pipe 6 and improve the heat exchange effect, the spiral structure of the winding pipe 6 has better stirring effect, and the function of conveying the reactant raw materials to one axial end of the main shaft 1 can be better realized while stirring the reactant raw materials; when the number of the winding pipes 6 is two or more, the winding pipes 6 are arranged side by side and are mutually attached, and the combined shape of the plurality of winding pipes 6 can further improve the heat exchange, stirring and reactant raw material conveying effects; the rotary joint 8 is provided with a first refrigerant port 9 and a second refrigerant port 10 which are distinguished more obviously, so that the heat exchange medium can be guided in and out more conveniently; the rotary joint 8 is sleeved on the inner side of the end part of the main shaft 1 or the outer side of the end part of the main shaft 1; the inner pipe 11 can ensure that the communication area of the first refrigerant port 9 and the second refrigerant port 10 of the rotary joint 8 is not required to be isolated, the isolation of the communication area of the first refrigerant port 9 and the second refrigerant port 10 can be realized through the inner pipe 11, and the processing difficulty and the manufacturing cost of the rotary joint 8 are reduced; the partition plate 12 and the inner pipe 11 isolate the connection region of the first chamber 2 and the first refrigerant port 9 and the connection region of the second chamber 3 and the second refrigerant port 10, thereby isolating the heat exchange medium flowing in and out; the stirring column 7 rotates along with the main shaft 1, and the reactant raw materials are stirred, so that the stirring efficiency can be effectively improved.
As shown in fig. 2, different reactant materials can be fed into the reactor shell 14 through the first material inlet 15 and the second material inlet 16, wherein the reactant materials are uniformly dispersed and fed through the distributor member 17 through the first material inlet 15 located at a higher position, so that the reactant materials can be fully and uniformly mixed and reacted with other materials; the main shaft 1 is rotationally fixed at two ends of the reactor shell 14, and rotates in the reactor shell 14 under the driving of the driving device, so that the reactant raw materials are stirred and the heat exchange function is realized.
The rotary fixing part of the reactor shell 14 and the main shaft 1 is provided with a sealing assembly 18, and the sealing assembly 18 is used for ensuring the sealing of the inside of the reactor shell 14 when the main shaft 1 rotates.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (12)
1. A heat-replaceable stirring shaft comprises a main shaft and is characterized in that a first cavity and a second cavity which are mutually isolated are arranged at two ends in the main shaft, and an opening is formed in one end of the main shaft in each of the first cavity and the second cavity;
a first connecting pipe is arranged on the main shaft and communicated with the first cavity, a second connecting pipe is arranged on the main shaft and communicated with the second cavity, at least one winding pipe is arranged between the first connecting pipe and the second connecting pipe and communicated with the first connecting pipe and the second connecting pipe, and the winding pipe is spirally wound around the main shaft;
the winding pipe is used for stirring the reactant raw materials and can push the reactant raw materials to be conveyed to one axial end of the main shaft.
2. The interchangeable heat mixing shaft of claim 1, wherein when there are two or more said coils, adjacent said coils are juxtaposed and attached to each other.
3. The mixing shaft as set forth in claim 1, wherein a rotary joint is connected to an end of said main shaft having an opening, said rotary joint having a first coolant port and a second coolant port, said first coolant port communicating with said first chamber, said second coolant port communicating with said second chamber.
4. The interchangeable heat stirring shaft of claim 3, wherein said swivel joint is sleeved inside or outside said end of said main shaft.
5. The mixing shaft as recited in claim 3, wherein an inner tube is disposed within said swivel joint, one end of said inner tube is connected to said first chamber, and the other end of said inner tube is connected to said first coolant port.
6. The heat-replaceable stirring shaft as recited in claim 5, wherein said inner tube is in interference fit with said first coolant port.
7. The mixing shaft as recited in claim 5, wherein a partition plate is disposed at a position where said inner tube communicates with said first chamber, said partition plate and said inner tube separating a communication region between said first chamber and said first coolant port and a communication region between said second chamber and said second coolant port.
8. The interchangeable heat mixer shaft of claim 1 wherein said main shaft has a plurality of mixing pins.
9. The, (meth) agitator of claim 8, wherein said agitator columns are uniformly staggered on said main shaft.
10. The interchangeable heat mixer shaft of claim 1 wherein said closed end of said main shaft is connected to a coupling, said coupling being connected to a drive.
11. A tubular reactor comprises a reactor shell, and is characterized in that the reactor shell is internally provided with the heat-exchanging stirring shaft as claimed in claim 1, the heat-exchanging stirring shaft is rotationally fixed at two ends of the reactor shell, and a sealing assembly is arranged at the rotational fixing position of the reactor shell and the heat-exchanging stirring shaft.
12. A tubular reactor as set forth in claim 11 wherein the reactor shell has at least two feed inlets, at least one of the feed inlets being connected to a distributor element; the reactor shell is also provided with an air vent and a reactant outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791287.3A CN106179038B (en) | 2016-08-31 | 2016-08-31 | Stirring shaft capable of exchanging heat and tubular reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791287.3A CN106179038B (en) | 2016-08-31 | 2016-08-31 | Stirring shaft capable of exchanging heat and tubular reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106179038A CN106179038A (en) | 2016-12-07 |
| CN106179038B true CN106179038B (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610791287.3A Active CN106179038B (en) | 2016-08-31 | 2016-08-31 | Stirring shaft capable of exchanging heat and tubular reactor |
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| Country | Link |
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| CN (1) | CN106179038B (en) |
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|---|---|---|---|---|
| CN106512909B (en) * | 2017-01-10 | 2019-11-12 | 山东豪迈化工技术有限公司 | A kind of sectional temperature-controlled reactor and its agitating shaft |
| CN112209793B (en) * | 2020-09-30 | 2022-04-08 | 广东石油化工学院 | Friedel-crafts alkylation reaction product and continuous synthesis method thereof |
| CN112250590B (en) * | 2020-09-30 | 2022-04-08 | 广东石油化工学院 | Method for continuously preparing methyl anthranilate |
| CN112657363B (en) * | 2020-12-16 | 2022-07-08 | 九江绿为沃特环保科技有限公司 | High-efficient dissolving equipment of industrial chemicals production usefulness |
| CN114957211B (en) * | 2022-05-31 | 2024-04-09 | 山东友道化学有限公司 | Production method of chlorantraniliprole |
| CN117548071B (en) * | 2024-01-11 | 2024-04-02 | 山东豪迈机械制造有限公司 | Reactor and reaction system |
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|---|---|---|---|---|
| US3923097A (en) * | 1973-05-01 | 1975-12-02 | Atlas As | Heat exchanger |
| JPH01218625A (en) * | 1988-02-26 | 1989-08-31 | Kureha Chem Ind Co Ltd | Powdery substance agitating apparatus |
| EP0293271B1 (en) * | 1987-05-29 | 1993-11-10 | Masao Moriyama | Kneader |
| CN202803253U (en) * | 2012-12-18 | 2013-03-20 | 抚顺得济化工有限公司 | High-efficient stirring device for reaction kettle |
| CN203711026U (en) * | 2014-03-18 | 2014-07-16 | 连云港市三联化工有限公司 | Efficient heat exchange device for reaction kettle |
| CN104923110A (en) * | 2015-06-30 | 2015-09-23 | 无锡宝丰石化装备有限公司 | Fast homogenizing equipment |
| CN206152685U (en) * | 2016-08-31 | 2017-05-10 | 山东豪迈机械制造有限公司 | Novel interchangeable thermal agitation axle and tubular reactor |
-
2016
- 2016-08-31 CN CN201610791287.3A patent/CN106179038B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3923097A (en) * | 1973-05-01 | 1975-12-02 | Atlas As | Heat exchanger |
| EP0293271B1 (en) * | 1987-05-29 | 1993-11-10 | Masao Moriyama | Kneader |
| JPH01218625A (en) * | 1988-02-26 | 1989-08-31 | Kureha Chem Ind Co Ltd | Powdery substance agitating apparatus |
| CN202803253U (en) * | 2012-12-18 | 2013-03-20 | 抚顺得济化工有限公司 | High-efficient stirring device for reaction kettle |
| CN203711026U (en) * | 2014-03-18 | 2014-07-16 | 连云港市三联化工有限公司 | Efficient heat exchange device for reaction kettle |
| CN104923110A (en) * | 2015-06-30 | 2015-09-23 | 无锡宝丰石化装备有限公司 | Fast homogenizing equipment |
| CN206152685U (en) * | 2016-08-31 | 2017-05-10 | 山东豪迈机械制造有限公司 | Novel interchangeable thermal agitation axle and tubular reactor |
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| CN106179038A (en) | 2016-12-07 |
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Denomination of invention: A heat exchange stirring shaft and tubular reactor Granted publication date: 20200424 Pledgee: China Construction Bank Corporation Gaomi sub branch Pledgor: HIMILE MECHANICAL MANUFACTURING Co.,Ltd. Registration number: Y2024980023256 |