CN211537744U - Transmission end for polymerization kettle - Google Patents
Transmission end for polymerization kettle Download PDFInfo
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- CN211537744U CN211537744U CN201922402430.7U CN201922402430U CN211537744U CN 211537744 U CN211537744 U CN 211537744U CN 201922402430 U CN201922402430 U CN 201922402430U CN 211537744 U CN211537744 U CN 211537744U
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Abstract
The utility model provides a transmission end for polymeric kettle, a serial communication port, include: 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 utility model relates to a chemical industry equipment technical field, in particular to a transmission end for polymeric 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.
SUMMERY OF THE UTILITY MODEL
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 utility model provides a transmission end for polymeric kettle, a serial communication port, include: 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 utility model provides an in the transmission end for polymeric kettle, its characterized in that still includes: 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 provided a drive end for a polymerizer, comprising: 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 provided a drive end for a polymerizer, comprising: 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 provided a drive end for a polymerizer, comprising: 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 provided a drive end for a polymerizer, comprising: 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 provided a drive end for a polymerizer, comprising: 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 utility model has the advantages that:
the utility model discloses a transmission end for polymeric kettle is arranged in polymeric kettle, can play good sealed effect, guarantees the interior high vacuum degree requirement of cauldron, prevents outside the solid material outflow cauldron. 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 diagram 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 invention;
fig. 4 is a schematic diagram of a drive end for a polymerizer, in an embodiment of the invention, for a horizontal polymerizer.
Detailed Description
In order to make the technical means, creation characteristics, achievement purpose and efficacy of the present invention easy to understand, the following embodiments are combined with the accompanying drawings to specifically describe the driving end of the polymerization kettle of the present invention.
< example >
FIG. 1 is a schematic diagram 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 stuffing box 52 is internally provided with stuffing to effectively prevent the leakage of materials and ensure the sealing effect. 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 a 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 |
|---|---|---|---|
| CN201922402430.7U CN211537744U (en) | 2019-12-27 | 2019-12-27 | Transmission end for polymerization kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922402430.7U CN211537744U (en) | 2019-12-27 | 2019-12-27 | Transmission end for polymerization kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211537744U true CN211537744U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922402430.7U Active CN211537744U (en) | 2019-12-27 | 2019-12-27 | Transmission end for polymerization kettle |
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| Country | Link |
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| CN (1) | CN211537744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111097354A (en) * | 2019-12-27 | 2020-05-05 | 上海聚友化工有限公司 | Transmission end for polymerization kettle |
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2019
- 2019-12-27 CN CN201922402430.7U patent/CN211537744U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111097354A (en) * | 2019-12-27 | 2020-05-05 | 上海聚友化工有限公司 | Transmission end for polymerization kettle |
| CN111097354B (en) * | 2019-12-27 | 2024-07-09 | 上海聚友化工有限公司 | Transmission end for polymerization kettle |
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