CN111097354A - Transmission end for polymerization kettle - Google Patents
Transmission end for polymerization kettle Download PDFInfo
- Publication number
- CN111097354A CN111097354A CN201911378645.8A CN201911378645A CN111097354A CN 111097354 A CN111097354 A CN 111097354A CN 201911378645 A CN201911378645 A CN 201911378645A CN 111097354 A CN111097354 A CN 111097354A
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- Prior art keywords
- bearing
- shaft body
- polymerizer
- assembly
- sealing
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title abstract description 18
- 238000006116 polymerization reaction Methods 0.000 title abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 238000012856 packing Methods 0.000 claims abstract description 17
- 230000000712 assembly Effects 0.000 claims description 23
- 238000000429 assembly Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 15
- 239000000498 cooling water Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0073—Sealings
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sealing Devices (AREA)
Abstract
The present invention provides a drive end for a polymerizer, comprising: a shaft body having a first end and a second end; the cylinder is arranged on the periphery of the middle part of the shaft body; the end cover is correspondingly arranged at the first end part of the shaft body and is connected with the cylinder body; the connecting flange is correspondingly arranged at the second end part of the shaft body and is provided with a first end surface connected with the cylinder body and a second end surface used for being connected with the kettle body; the packing sealing assembly is arranged on the periphery of the second end part of the shaft body and is connected with the second end face of the connecting flange; the mechanical sealing assembly is arranged on the periphery of the shaft body, is positioned in the barrel body and is adjacent to the packing sealing assembly; and the sealing ring component comprises a plurality of sealing rings. The transmission end used for the polymerization kettle can play a good role in sealing when used in the polymerization kettle, and the requirement of high vacuum degree in the kettle is ensured; the replacement work of the wearing parts is convenient.
Description
Technical Field
The invention relates to the technical field of chemical equipment, in particular to a transmission end for a polymerization kettle.
Background
The polymerization kettle generally comprises a kettle body, a kettle cover, a jacket, a stirrer, a transmission device, a shaft seal device and the like. The shaft seal device plays a role in sealing the polymerization kettle. The shaft seal device is usually provided with wearing parts such as rubber sealing components, the polymerizer needs to be periodically overhauled, and the wearing parts need to be replaced during the overhauling process to ensure the normal operation of the polymerizer. However, when the existing polymerization kettle is used for overhauling or replacing a vulnerable part, a transmission device (a motor, a speed reducer and the like) and a kettle body need to be moved, so that the operation is very inconvenient, the operation difficulty is increased, and the overhauling time is prolonged.
In addition, in the horizontal polymerization kettle, the normal work of the sealing component can be influenced due to the deflection generated by the self weight of the shaft, so that the sealing performance in the kettle is influenced to a certain extent, and the sealing performance is ensured to be good during production, thereby ensuring that the high vacuum degree in the kettle meets the requirement, and the defect needs to be solved urgently.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a driving end for a horizontal polymerizer.
The invention provides a driving end for a polymerization kettle, which is characterized by comprising: a shaft body having a first end and a second end; the cylinder is arranged on the periphery of the middle part of the shaft body; the end cover is correspondingly arranged at the first end part of the shaft body and is connected with the cylinder body; the connecting flange is correspondingly arranged at the second end part of the shaft body and is provided with a first end surface connected with the cylinder body and a second end surface used for being connected with the kettle body; the packing sealing assembly is arranged on the periphery of the second end part of the shaft body and is connected with the second end face of the connecting flange; the mechanical sealing assembly is arranged on the periphery of the shaft body, is positioned in the barrel body and is adjacent to the packing sealing assembly; and the sealing ring component comprises a plurality of sealing rings.
In the driving end for a polymerizer according to the present invention, it is characterized by further comprising: and the bearing assembly is arranged on the periphery of the shaft body and positioned in the barrel body.
In the drive end for a polymerizer, provided by the present invention, there is also a feature that: the bearing assembly comprises a first group of bearing assemblies and a second group of bearing assemblies, wherein the first group of bearing assemblies are arranged adjacent to the mechanical sealing assembly, the second group of bearing assemblies are arranged adjacent to the end cover, and each group of bearing assemblies comprises a bearing seat and a bearing, the bearing seats are installed between the outer peripheral wall of the shaft body and the inner wall of the cylinder body in a matched mode, and the bearings are installed on the bearing.
In the drive end for a polymerizer, provided by the present invention, there is also a feature that: the bearing comprises a barrel, a bearing seat cavity, a cooling water pipeline, a water inlet, a water outlet and a cooling water pipeline, wherein each bearing seat is provided with an annular groove on the outer peripheral surface corresponding to the inner wall of the barrel, the annular grooves and the inner wall of the barrel form the bearing seat cavity, the barrel wall of the barrel is provided with the cooling water pipeline, the cooling water pipeline is provided with the water inlet.
In the drive end for a polymerizer, provided by the present invention, there is also a feature that: and an oil seal ring is arranged between the mechanical seal assembly and the first group of bearing assemblies.
In the drive end for a polymerizer, provided by the present invention, there is also a feature that: wherein, a mechanical seal cavity is formed in the mechanical seal component and the inner wall of the cylinder body, a mechanical seal liquid pipeline is arranged on the cylinder wall of the cylinder body, the mechanical seal liquid pipeline is provided with a liquid inlet and a liquid outlet, and the mechanical seal liquid pipeline is communicated with the mechanical seal cavity.
In the drive end for a polymerizer, provided by the present invention, there is also a feature that: the packing sealing assembly comprises a shaft sleeve and a packing box, the shaft sleeve is sleeved on the second end portion of the shaft body, sealing packing is arranged in the packing box, the packing box is sleeved on the periphery of the shaft sleeve and is fixedly connected with the second end face of the connecting flange.
The invention has the beneficial effects that:
the transmission end for the polymerization kettle is used in the polymerization kettle, can play a good role in sealing, ensures the requirement of high vacuum degree in the kettle, and prevents solid materials from flowing out of the kettle. Especially used in a horizontal polymerization kettle, can overcome the deflection influence of a shaft and ensure that the stirring effect is better. In addition, when equipment overhauls, no longer need move transmission and the cauldron body, only need take off the transmission end, open its inside change that can carry out vulnerable part for it becomes convenient high-efficient to overhaul work.
Drawings
FIG. 1 is a schematic structural view of a drive end for a polymerizer, in an embodiment of the invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic view of a seal ring assembly in an embodiment of the present invention;
FIG. 4 is a schematic illustration of a drive end for a polymerizer used in a horizontal polymerizer, in an embodiment of the invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the following embodiments are specifically described for the driving end of the polymerization kettle of the invention with reference to the attached drawings.
< example >
FIG. 1 is a schematic diagram of the structure of a drive end for a polymerizer, in an embodiment of the invention. The upper part of the figure illustrates the internal structure and the lower part illustrates the external structure. As shown in fig. 1, the driving end 100 for a polymerizer in this embodiment comprises: the shaft body 1, the cylinder body 2, the end cover 3, the connecting flange 4, a packing seal assembly (comprising a shaft sleeve 51 and a packing box 52), a mechanical seal assembly 6, a seal ring assembly 7 (shown in fig. 3), bearing assemblies (comprising a first group of bearing assemblies 81 and a second group of bearing assemblies 82) and a positioning cylinder 9.
The shaft body 1 is a stub shaft, and has a first end (a right end as viewed in fig. 1) and a second end (a left end as viewed in fig. 1). The barrel 2 is arranged in the middle of the periphery of the shaft body 1. The end cover 3 is correspondingly arranged at the first end part of the shaft body 1 and is connected with the cylinder body 1. The connecting flange 4 is correspondingly arranged at the second end part of the shaft body 1, the first end face of the connecting flange 4 is connected with the cylinder body 1, and the second end face of the connecting flange 4 is connected with the packing sealing component arranged on the periphery of the second end part of the shaft body 1. The mechanical seal assembly 6 is arranged at the periphery of the shaft body 1 and located inside the cylinder body 2, and is adjacent to the packing seal assembly. The bearing assemblies are disposed on the outer circumference of the shaft body 1 and inside the cylinder body 2, and include a first group of bearing assemblies 81 and a second group of bearing assemblies 82.
As shown in fig. 2, the stuffing seal assembly includes a bushing 51 and a stuffing box 52. The shaft sleeve 51 is fitted over the second end of the shaft body 1. The stuffing box 52 is of a cylindrical structure, a sealing stuffing 521 is arranged in the stuffing box 52, the stuffing box 52 is sleeved on the periphery of the shaft sleeve 51 and is fixedly connected with the second end face of the connecting flange 4 through bolts. The filler arranged in the filler box 52 effectively prevents the material from leaking, and the sealing effect is ensured. The end face of the shaft sleeve 51 is further provided with an annular groove, and a packing ring for collision avoidance is installed in the annular groove. The surface of the stuffing box 52 also begins with an annular groove and a packing ring 522 is installed in the annular groove for impact resistance.
As shown in fig. 2, the mechanical seal assembly 6 in the present embodiment employs a double mechanical seal. This mechanical seal subassembly 6 reaches sealed effect through the compressing tightly of rotating ring and quiet ring section, and wherein the rotating ring is connected with axis body 1, and quiet ring is connected with barrel 2. The moving ring and the static ring in the mechanical seal assembly 6 are made of materials which can bear the working temperature of 320 ℃ and are corrosion-resistant in the prior art. A mechanical seal cavity (a shown in fig. 2) is formed in the mechanical seal assembly 6 and the inner wall of the cylinder body, a mechanical seal liquid pipeline 61 is arranged on the cylinder wall of the cylinder body 1, the mechanical seal liquid pipeline 61 is provided with a liquid inlet pipeline and a liquid outlet pipeline, and the mechanical seal liquid pipeline is communicated with the mechanical seal cavity, so that the mechanical seal assembly 6 is cooled and lubricated.
As shown in fig. 1, a first set of bearing assemblies 81 is provided adjacent the mechanical seal assembly 6 and a second set of bearing assemblies 82 is provided adjacent the end cap 3, the bearing assemblies being positioned by the locating cylinders 9. The locating cylinder 9 is sleeved and fixed on the periphery of the shaft body 1, provides axial supporting force for the bearing and locates the positions of two groups of bearing assemblies, and the specific positions of the two groups of bearing assemblies are arranged to play a good supporting role for the shaft body 1. The structure of the horizontal-type structure equipment has natural gravity, the deflection of the shaft generated by the gravity can influence the work of the shaft, and when the transmission end 100 for the polymerization kettle of the embodiment is used in the horizontal-type polymerization kettle, the shaft body 1 is well supported due to the arrangement of the specific positions of the two groups of bearing assemblies, so that the influence caused by the deflection of the shaft generated by the gravity is overcome, and the normal work of a moving ring and a static ring in the mechanical sealing assembly 6 is ensured.
As shown in fig. 1, each set of bearing assembly includes a bearing seat installed between the outer circumferential wall of the shaft body 1 and the inner wall of the cylinder body 2 in a matching manner, and a bearing installed on the bearing seat correspondingly, each bearing seat is provided with an annular groove on the outer circumferential surface corresponding to the inner wall of the cylinder body 2, and the annular groove and the inner wall of the cylinder body 2 form a bearing seat cavity. As illustrated in fig. 3 for the bearing housings 811 and 812 of the first set of bearing assemblies 81, the bearing housing cavity formed between the bearing housing 811 and the inner wall of the cylinder 2 is shown as b in fig. 2. As shown in fig. 1 and 2, a cooling water pipeline 83 is disposed on the wall of the barrel 2, the cooling water pipeline 83 is provided with a water inlet and a water outlet, and the cooling water pipeline 83 is communicated with the two bearing seat cavities to cool the two bearing seats through the circulation of cooling water. In addition, an oil seal ring 84 is disposed between the bearing 812 and the mechanical seal assembly 6 to prevent bearing oil from entering the mechanical seal cavity.
The seal ring assembly 7 includes a plurality of seal rings 71 to 77 disposed at a plurality of positions inside the driving end 100 for the polymerizer as shown in FIG. 3, to achieve a sealing effect.
The drive end 100 in this embodiment is used in a horizontal polymerizer. The horizontal polymerizers are usually supported on a support frame (not shown) below. As shown in FIG. 4, two driving terminals 100 are used in the horizontal polymerizer, the driving terminal 100 located at the left position as shown in FIG. 4 is used as the main driving terminal, and the driving terminal 100 located at the right position as shown in FIG. 4 is used as the driven terminal. The first end connection transmission 200 of the axis body in the final drive end, the one end of agitating unit is connected to the second end of the axis body of final drive end, and the flange connection of final drive end is at the left side tip of cauldron body 300. The second end of the shaft body in the driven end is connected with the other end of the stirring device, and the connecting flange in the driven end is connected with the left end of the kettle body 300. The working principle is as follows: when equipment heaies up to operating temperature, start transmission 100, it is rotatory to drive the axis body of main drive end by transmission 100, and the axis body is rotatory to drive agitating unit, plays the effect of stirring material, and the axis body from the drive end is rotatory along with agitating unit, provides good support for it. In the horizontal polymerization kettle, two driving ends 100 for the polymerization kettle are arranged as a main driving end and a driven end, so that a good sealing effect is realized, the requirement of high vacuum degree in the kettle is ensured, and material leakage is also prevented; the shaft transmission overcomes the deflection of the shaft, so that the transmission effect is better, the stirring is more stable, and the effect is better; and, when overhauing transmission end 100, no longer need move transmission and the cauldron body, only need take off transmission end 100, open its inside change that can carry out the vulnerable part for overhaul work becomes convenient high-efficient.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. A drive end for a polymerizer, comprising:
a shaft body having a first end and a second end;
the cylinder is arranged on the periphery of the middle part of the shaft body;
the end cover is correspondingly arranged at the first end part of the shaft body and is connected with the cylinder body;
the connecting flange is correspondingly arranged at the second end part of the shaft body and is provided with a first end surface connected with the cylinder body and a second end surface used for being connected with the kettle body;
the packing sealing assembly is arranged on the periphery of the second end part of the shaft body and is connected with the second end face of the connecting flange;
the mechanical sealing assembly is arranged on the periphery of the shaft body, is positioned in the cylinder body and is adjacent to the packing sealing assembly; and
the sealing ring assembly comprises a plurality of sealing rings.
2. The drive end for a polymerizer vessel, according to claim 1, further comprising:
a bearing assembly for a bearing, the bearing assembly comprising,
the bearing assembly is arranged on the periphery of the shaft body and located inside the barrel body.
3. The drive end for a polymerizer, according to claim 2, wherein:
wherein the bearing assembly comprises a first set of bearing assemblies disposed adjacent the mechanical seal assembly and a second set of bearing assemblies disposed adjacent the end cap,
each group of bearing assemblies respectively comprise a bearing seat which is matched and installed between the peripheral wall of the shaft body and the inner wall of the cylinder body and a bearing which is correspondingly installed on the bearing seat.
4. The drive end for a polymerizer, according to claim 3, wherein:
wherein, each bearing seat is provided with an annular groove on the peripheral surface corresponding to the inner wall of the cylinder body, the annular groove and the inner wall of the cylinder body form a bearing seat cavity,
and a cooling water pipeline is arranged on the cylinder wall of the cylinder body, the cooling water pipeline is provided with a water inlet and a water outlet, and the cooling water pipeline is communicated with the two bearing seat cavities.
5. The drive end for a polymerizer, according to claim 3 or 4, wherein:
wherein an oil seal ring is disposed between the mechanical seal assembly and the first set of bearing assemblies.
6. The drive end for a polymerizer, according to claim 1, wherein:
wherein the mechanical seal assembly is a double mechanical seal.
7. The drive end for a polymerizer, according to claim 1, wherein:
wherein a mechanical seal cavity is formed in the mechanical seal assembly and the inner wall of the cylinder body,
the cylinder wall of the cylinder body is provided with a mechanical sealing liquid pipeline, the mechanical sealing liquid pipeline is provided with a liquid inlet and a liquid outlet, and the mechanical sealing liquid pipeline is communicated with the mechanical sealing cavity.
8. The drive end for a polymerizer, according to claim 1, wherein:
wherein the stuffing seal assembly comprises a shaft sleeve and a stuffing box,
the shaft sleeve is sleeved on the second end part of the shaft body,
and a sealing filler is arranged in the stuffing box, sleeved on the periphery of the shaft sleeve and fixedly connected with the second end face of the connecting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911378645.8A CN111097354B (en) | 2019-12-27 | 2019-12-27 | Transmission end for polymerization kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911378645.8A CN111097354B (en) | 2019-12-27 | 2019-12-27 | Transmission end for polymerization kettle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111097354A true CN111097354A (en) | 2020-05-05 |
| CN111097354B CN111097354B (en) | 2024-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911378645.8A Active CN111097354B (en) | 2019-12-27 | 2019-12-27 | Transmission end for polymerization kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111097354B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2585479A1 (en) * | 2005-01-26 | 2006-08-03 | Kompogas Ag | Fermenter comprising an agitator |
| TW200734039A (en) * | 2006-03-10 | 2007-09-16 | Borealis Tech Oy | Hybrid bearings |
| CN101392028A (en) * | 2008-11-05 | 2009-03-25 | 无锡力马化工机械有限公司 | Horizontal type etherifying reactor |
| WO2010006044A2 (en) * | 2008-07-08 | 2010-01-14 | Gala Industries, Inc. | Method and apparatus to achieve formulation and reactive polymerization utilizing a thermally and atomspherically controlled feeding system for thermoplastic materials |
| CN101683597A (en) * | 2008-09-23 | 2010-03-31 | 中国石油化工股份有限公司 | Horizontal mixing kettle |
| CN203235485U (en) * | 2013-04-24 | 2013-10-16 | 青岛元基再生资源科技有限公司 | Hollow shaft sealing device of horizontal type reaction still |
| WO2016058457A1 (en) * | 2014-10-15 | 2016-04-21 | 邢宇 | Bushing for cooling dual-side mechanical seal friction pair and centrifugal pump cooling system thereof |
| CN105597652A (en) * | 2016-03-22 | 2016-05-25 | 张维俊 | Non-contact sealed type reaction kettle |
| CN205517569U (en) * | 2016-04-15 | 2016-08-31 | 广州市大川机械有限公司 | A (mixing) shaft for among food class horizontal mixer |
| CN206746551U (en) * | 2017-05-04 | 2017-12-15 | 安徽立兴化工有限公司 | A kind of reactor for being used to produce diethylene glycol b-butyl ether |
| CN108458052A (en) * | 2018-03-18 | 2018-08-28 | 唐山山岛石油化学有限公司 | The power transfer mechanism of organic slag charge mixing homogenizing equipment |
| CN209067844U (en) * | 2018-09-11 | 2019-07-05 | 无锡全世全流体科技有限公司 | A kind of horizontal autoclave Split type mechanical seal device |
| CN211537744U (en) * | 2019-12-27 | 2020-09-22 | 上海聚友化工有限公司 | Transmission end for polymerization kettle |
-
2019
- 2019-12-27 CN CN201911378645.8A patent/CN111097354B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2585479A1 (en) * | 2005-01-26 | 2006-08-03 | Kompogas Ag | Fermenter comprising an agitator |
| TW200734039A (en) * | 2006-03-10 | 2007-09-16 | Borealis Tech Oy | Hybrid bearings |
| WO2010006044A2 (en) * | 2008-07-08 | 2010-01-14 | Gala Industries, Inc. | Method and apparatus to achieve formulation and reactive polymerization utilizing a thermally and atomspherically controlled feeding system for thermoplastic materials |
| CN101683597A (en) * | 2008-09-23 | 2010-03-31 | 中国石油化工股份有限公司 | Horizontal mixing kettle |
| CN101392028A (en) * | 2008-11-05 | 2009-03-25 | 无锡力马化工机械有限公司 | Horizontal type etherifying reactor |
| CN203235485U (en) * | 2013-04-24 | 2013-10-16 | 青岛元基再生资源科技有限公司 | Hollow shaft sealing device of horizontal type reaction still |
| WO2016058457A1 (en) * | 2014-10-15 | 2016-04-21 | 邢宇 | Bushing for cooling dual-side mechanical seal friction pair and centrifugal pump cooling system thereof |
| CN105597652A (en) * | 2016-03-22 | 2016-05-25 | 张维俊 | Non-contact sealed type reaction kettle |
| CN205517569U (en) * | 2016-04-15 | 2016-08-31 | 广州市大川机械有限公司 | A (mixing) shaft for among food class horizontal mixer |
| CN206746551U (en) * | 2017-05-04 | 2017-12-15 | 安徽立兴化工有限公司 | A kind of reactor for being used to produce diethylene glycol b-butyl ether |
| CN108458052A (en) * | 2018-03-18 | 2018-08-28 | 唐山山岛石油化学有限公司 | The power transfer mechanism of organic slag charge mixing homogenizing equipment |
| CN209067844U (en) * | 2018-09-11 | 2019-07-05 | 无锡全世全流体科技有限公司 | A kind of horizontal autoclave Split type mechanical seal device |
| CN211537744U (en) * | 2019-12-27 | 2020-09-22 | 上海聚友化工有限公司 | Transmission end for polymerization kettle |
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| Publication number | Publication date |
|---|---|
| CN111097354B (en) | 2024-07-09 |
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