CN114017506A - Leakage-free sealing device for ABS polymerization kettle - Google Patents
Leakage-free sealing device for ABS polymerization kettle Download PDFInfo
- Publication number
- CN114017506A CN114017506A CN202111492591.5A CN202111492591A CN114017506A CN 114017506 A CN114017506 A CN 114017506A CN 202111492591 A CN202111492591 A CN 202111492591A CN 114017506 A CN114017506 A CN 114017506A
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- Prior art keywords
- oil
- pipe
- seal box
- box body
- sealing device
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- 238000007789 sealing Methods 0.000 title claims abstract description 50
- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000011049 filling Methods 0.000 claims abstract description 24
- 238000002347 injection Methods 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 19
- 230000003068 static effect Effects 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000010559 graft polymerization reaction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/406—Sealings between relatively-moving surfaces by means of fluid by at least one pump
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The invention discloses a leakage-free sealing device for an ABS polymerization kettle, which comprises a kettle body, a first oil seal box, a second oil seal box, an oil storage tank and a controller, wherein the kettle body is provided with a first oil seal box and a second oil seal box; the first oil seal box comprises a first seal box body, a static ring, a dynamic ring and a first L-shaped oil filling pipe, and the first seal box body is provided with a first oil filling hole; the first sealing box body is fixed at the top of the second oil sealing box; the static ring positioned in the first sealing box body is sleeved on the stirring shaft and is fixed at the top of the second oil sealing box; a movable ring positioned in the first sealing box body is sleeved and fixed on the stirring shaft, and the movable ring is attached to a static ring at the bottom of the movable ring; the first L-shaped oil filling pipe is arranged on the first oil filling hole; a first liquid level sensor is arranged in the first L-shaped oil injection pipe and is electrically connected with the controller; the oil storage tank is connected with the extending end of the first L-shaped oil injection pipe through a first hose, a first delivery pump is mounted on the first hose, and the first delivery pump is electrically connected with the controller. The invention has long-term stable and reliable sealing.
Description
Technical Field
The invention relates to the technical field of polymerization kettles, in particular to a leakage-free sealing device for an ABS polymerization kettle.
Background
The ABS polymerization kettle is a place for carrying out emulsion graft polymerization reaction, and comprises an ABS device and core equipment. The polymerization kettle is internally provided with a stirrer which is driven by a motor through a transmission mechanism and a speed reducer, an oil sealing mode is usually adopted between the transmission mechanism and the kettle body, and a sealing liquid medium plays a role of oil sealing in a sealing device and simultaneously lubricates a bearing.
However, the sealing device is usually affected by high temperature and high pressure at the top of the kettle body, and because the sealing medium has the characteristics of low boiling point and high vapor pressure, on one hand, friction heat can vaporize a liquid film between sealing surfaces, dry running is easy to realize, and the isolation effect is reduced; on the other hand, the kinematic viscosity is reduced, resulting in poor bearing lubrication effect.
Therefore, it is an urgent problem to be solved by those skilled in the art to provide a leak-free sealing device for ABS polymerizers.
Disclosure of Invention
In view of the above, the invention provides a leak-free sealing device for an ABS polymerization kettle, which is stable and reliable in sealing for a long time.
In order to achieve the purpose, the invention adopts the following technical scheme:
a leak-free sealing device for an ABS polymerization kettle comprises a kettle body and a stirring mechanism, wherein the stirring mechanism is arranged in the kettle body, the top end of a stirring shaft of the stirring mechanism is in transmission connection with a motor output shaft above the kettle body, the leak-free sealing device also comprises a first oil seal box, a second oil seal box at the bottom of the first oil seal box, an oil storage tank and a controller,
the second oil seal box is fixed on the top of the kettle body; the stirring shaft penetrates through the second oil seal box; the oil storage tank is fixed on the kettle body; the first oil seal box comprises a first seal box body, a static ring, a dynamic ring and a first L-shaped oil filling pipe, and the first seal box body is provided with a first oil filling hole; the first sealing box body is fixed at the top of the second oil sealing box, and the stirring shaft penetrates through the first sealing box body; the static ring positioned in the first sealed box body is sleeved on the stirring shaft and is fixed at the top of the second oil sealed box; the movable ring positioned in the first sealed box body is sleeved and fixed on the stirring shaft, and the movable ring is attached to the static ring at the bottom of the movable ring; the first L-shaped oil filling pipe is arranged on the first oil filling hole; a first liquid level sensor is arranged in the first L-shaped oil injection pipe and is electrically connected with the controller; the oil storage tank with first L shape oiling pipe extends the end and passes through first hose connection, install first delivery pump on the first hose, first delivery pump with controller electric connection.
By adopting the scheme, the invention has the beneficial effects that:
form static seal between quiet ring and the first oil blanket top, form dynamic seal between rotating ring and the (mixing) shaft, rotating ring and quiet ring take place relative rotation, the terminal surface pastes cooperation relative slip's dynamic seal each other, after first level sensor monitors that sealing liquid reduces to a definite value, with data transfer to controller, the first delivery pump of controller drive, the oiling is intraductal to first L shape oiling through first hose to the oil storage tank, thereby guarantee that the sealing oil in the first seal box is sufficient, avoid the dry operation that the vaporization of liquid film leads to between the sealed face between rotating ring and the quiet ring, improve long-term sealed validity.
Further, the second oil seal box comprises a second seal box body, a first bearing, a second bearing and a second L-shaped oil injection pipe, the second seal box body is fixed at the top of the kettle body and fixedly connected with the first seal box body, the stirring shaft penetrates through the second seal box body, the static ring is fixed at the top of the second seal box body, and the second seal box body is provided with a second oil injection hole; the first bearing and the second bearing are both arranged on the stirring shaft and are symmetrically distributed in the second sealed box body; the second L-shaped oil injection pipe is arranged on the second oil injection hole, a second liquid level sensor is arranged in the second L-shaped oil injection pipe, and the second liquid level sensor is electrically connected with the controller; the oil storage tank with second L shape oiling pipe extends the end and passes through the second hose connection, install the second delivery pump on the second hose, the second delivery pump with controller electric connection.
Adopt the beneficial effect that above-mentioned further technical scheme produced to be, after second liquid level sensor monitors that sealing liquid reduces to a definite value, with data transfer to controller, controller drive second delivery pump, the oiling is gone into to second L shape oiling pipe in the oil storage tank through the second hose to guarantee that the sealing liquid in the second sealed box is sufficient, keep bearing lubrication effect.
Further, the first L-shaped oil filling pipe comprises a first transverse pipe and a first longitudinal pipe which are connected into a whole, and the extending end of the first transverse pipe is arranged in the first oil filling hole; the first longitudinal tube extension end is connected with the first hose; the first level sensor is mounted within the first longitudinal tube.
Further, the length of the first transverse pipe is 10cm, and the length of the first longitudinal pipe is 20 cm; the first liquid level sensor is installed on the inner wall of the first longitudinal pipe and located in the middle.
Further, the second L-shaped oil filling pipe comprises a second transverse pipe and a second longitudinal pipe which are connected into a whole, and the extending end of the second transverse pipe is arranged in the second oil filling hole; the second longitudinal tube extension end is connected with the second hose; the second liquid level sensor is mounted within the second longitudinal tube.
Furthermore, the length of the second transverse pipe is 10cm, the length of the second longitudinal pipe is 20cm, and the second liquid level sensor is installed on the inner wall of the second longitudinal pipe and located in the middle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a leak-free sealing device for an ABS polymerization kettle according to the present invention;
FIG. 2 is a schematic view showing the structure of a first L-shaped filler pipe according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figures 1 and 2, the embodiment of the invention discloses a leakage-free sealing device for an ABS polymerization kettle, which comprises a kettle body 1 and a stirring mechanism 2, wherein the stirring mechanism 2 is arranged in the kettle body 1, the top end of a stirring shaft 21 of the stirring mechanism 2 is in transmission connection with a motor output shaft above the kettle body 1, the leakage-free sealing device also comprises a first oil seal box 3, a second oil seal box 4 at the bottom of the first oil seal box 3, an oil storage tank 5 and a controller,
the second oil seal tank 4 is fixed on the top of the kettle body 1; the stirring shaft 21 penetrates through the second oil seal box 4; the oil storage tank 5 is fixed on the kettle body 1; the first oil seal box 3 comprises a first seal box body 31, a static ring 32, a dynamic ring 33 and a first L-shaped oil filling pipe 34, wherein the first seal box body 31 is provided with a first oil filling hole; the first sealing box body 31 is fixed at the top of the second oil seal box 4, and the stirring shaft 21 penetrates through the first sealing box body 31; the static ring 32 positioned in the first sealing box body 31 is sleeved on the stirring shaft 21 and is fixed at the top of the second oil sealing box 4; a movable ring 33 positioned in the first sealed box 31 is sleeved and fixed on the stirring shaft 21, and the movable ring 33 is attached to a static ring 32 at the bottom of the movable ring 33; the first L-shaped filler pipe 34 is mounted on the first filler hole; a first liquid level sensor 35 is arranged in the first L-shaped oil filling pipe 34, and the first liquid level sensor 35 is electrically connected with the controller; the oil storage tank 5 is connected with the extending end of the first L-shaped oil filling pipe 34 through a first hose 36, a first delivery pump 37 is installed on the first hose 36, and the first delivery pump 37 is electrically connected with the controller.
According to the invention, a static seal is formed between the static ring 32 and the top of the first oil seal box 3, a dynamic seal is formed between the dynamic ring 33 and the stirring shaft 21, the dynamic ring 33 and the static ring 32 rotate relatively, the end surfaces of the dynamic seal are attached to each other to form a relative sliding dynamic seal, when the first liquid level sensor 35 detects that the sealing liquid is reduced to a certain value, data is transmitted to the controller, the controller drives the first delivery pump 37, the oil storage tank 5 injects oil into the first L-shaped oil injection pipe 34 through the first hose 36, so that the sufficient sealing oil in the first seal box body 31 is ensured, the dry running caused by vaporization of a sealing surface between a liquid film between the dynamic ring 33 and the static ring 32 is avoided, and the effectiveness of long-term sealing is improved.
Specifically, the second oil seal tank 4 comprises a second seal tank 41, a first bearing 42, a second bearing 43 and a second L-shaped oil injection pipe 44, the second seal tank 41 is fixed on the top of the kettle 1, the second seal tank 41 is fixedly connected with the first seal tank 31, the stirring shaft 21 penetrates through the second seal tank 41, the stationary ring 32 is fixed on the top of the second seal tank 41 through bolts, and the second seal tank 41 is provided with a second oil injection hole; the first bearing 42 and the second bearing 43 are both arranged on the stirring shaft 21 and are symmetrically distributed in the second sealed box 41; the second L-shaped oil filling pipe 44 is arranged on the second oil filling hole, a second liquid level sensor is arranged in the second L-shaped oil filling pipe 44, and the second liquid level sensor is electrically connected with the controller; the oil storage tank 5 is connected with the extending end of the second L-shaped oil filling pipe 44 through a second hose 45, a second delivery pump 46 is installed on the second hose 45, and the second delivery pump 46 is electrically connected with the controller.
Specifically, the first L-shaped filler pipe 34 includes a first transverse pipe 341 and a first longitudinal pipe 342 connected as a whole, and the extending end of the first transverse pipe 341 is installed in the first filler hole; the extended end of the first longitudinal tube 342 is connected to the first hose 36; the first level sensor 35 is mounted within the first longitudinal tube 342.
Specifically, the length of the first transverse tube 341 is 10cm, and the length of the first longitudinal tube 342 is 20 cm; the first level sensor 35 is mounted on the inner wall of the first longitudinal tube 342 at a central position.
Specifically, the second L-shaped filler pipe 44 includes a second transverse pipe and a second longitudinal pipe connected as a whole, and the second transverse pipe extension end is installed in the second filler hole; the second longitudinal tube extension is connected to a second hose 45; a second liquid level sensor is mounted within the second longitudinal tube.
Specifically, the length of the second transverse pipe is 10cm, the length of the second longitudinal pipe is 20cm, and the second liquid level sensor is mounted on the inner wall of the second longitudinal pipe and located in the middle.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A leak-free sealing device for an ABS polymerization kettle comprises a kettle body and a stirring mechanism, wherein the stirring mechanism is arranged in the kettle body, the top end of a stirring shaft of the stirring mechanism is in transmission connection with a motor output shaft above the kettle body, the leak-free sealing device is characterized by further comprising a first oil seal box, a second oil seal box at the bottom of the first oil seal box, an oil storage tank and a controller,
the second oil seal box is fixed on the top of the kettle body; the stirring shaft penetrates through the second oil seal box; the oil storage tank is fixed on the kettle body; the first oil seal box comprises a first seal box body, a static ring, a dynamic ring and a first L-shaped oil filling pipe, and the first seal box body is provided with a first oil filling hole; the first sealing box body is fixed at the top of the second oil sealing box, and the stirring shaft penetrates through the first sealing box body; the static ring positioned in the first sealed box body is sleeved on the stirring shaft and is fixed at the top of the second oil sealed box; the movable ring positioned in the first sealed box body is sleeved and fixed on the stirring shaft, and the movable ring is attached to the static ring at the bottom of the movable ring; the first L-shaped oil filling pipe is arranged on the first oil filling hole; a first liquid level sensor is arranged in the first L-shaped oil injection pipe and is electrically connected with the controller; the oil storage tank with first L shape oiling pipe extends the end and passes through first hose connection, install first delivery pump on the first hose, first delivery pump with controller electric connection.
2. The leakage-free sealing device for the ABS polymerization kettle as claimed in claim 1, wherein the second oil seal box comprises a second seal box body, a first bearing, a second bearing and a second L-shaped oil injection pipe, the second seal box body is fixed on the top of the kettle body and is fixedly connected with the first seal box body, the stirring shaft penetrates through the second seal box body, the static ring is fixed on the top of the second seal box body, and the second seal box body is provided with a second oil injection hole; the first bearing and the second bearing are both arranged on the stirring shaft and are symmetrically distributed in the second sealed box body; the second L-shaped oil injection pipe is arranged on the second oil injection hole, a second liquid level sensor is arranged in the second L-shaped oil injection pipe, and the second liquid level sensor is electrically connected with the controller; the oil storage tank with second L shape oiling pipe extends the end and passes through the second hose connection, install the second delivery pump on the second hose, the second delivery pump with controller electric connection.
3. The leakage-free sealing device for the ABS polymerization kettle of claim 1, wherein the first L-shaped oil injection pipe comprises a first transverse pipe and a first longitudinal pipe which are connected into a whole, and the extension end of the first transverse pipe is installed in the first oil injection hole; the first longitudinal tube extension end is connected with the first hose; the first level sensor is mounted within the first longitudinal tube.
4. The no-leak sealing device for an ABS polymerization kettle according to claim 3, wherein the length of the first transverse pipe is 10cm, and the length of the first longitudinal pipe is 20 cm.
5. The ABS polymerization vessel leak-free sealing device of claim 2 wherein said second L-shaped filler pipe comprises a second transverse pipe and a second longitudinal pipe connected as a single unit, said second transverse pipe extending end being fitted into said second filler hole; the second longitudinal tube extension end is connected with the second hose; the second liquid level sensor is mounted within the second longitudinal tube.
6. The no-leak sealing device for an ABS polymerization kettle according to claim 5, wherein the length of the second transverse pipe is 10cm, and the length of the second longitudinal pipe is 20 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111492591.5A CN114017506A (en) | 2021-12-08 | 2021-12-08 | Leakage-free sealing device for ABS polymerization kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111492591.5A CN114017506A (en) | 2021-12-08 | 2021-12-08 | Leakage-free sealing device for ABS polymerization kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114017506A true CN114017506A (en) | 2022-02-08 |
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ID=80068092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111492591.5A Pending CN114017506A (en) | 2021-12-08 | 2021-12-08 | Leakage-free sealing device for ABS polymerization kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114017506A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2186330Y (en) * | 1994-01-25 | 1994-12-28 | 朱金明 | Machinery sealing device for stillage |
| JP2001065705A (en) * | 1999-08-26 | 2001-03-16 | Koyo Kikai Sangyo Kk | Shaft sealing method for mixing shaft of mixer |
| CN2745643Y (en) * | 2004-08-18 | 2005-12-14 | 浙江新和成股份有限公司 | Chemical agitated reactor |
| CN201078473Y (en) * | 2007-06-27 | 2008-06-25 | 胡滨 | Mechanical seal member for stirrer |
| JP2008149704A (en) * | 2006-12-15 | 2008-07-03 | Obligatory Industrial Co Ltd | Concrete grouting apparatus |
| CN202023927U (en) * | 2011-04-22 | 2011-11-02 | 刘俏良 | Special mechanical seal structure for polymeric kettle |
| CN104667789A (en) * | 2013-12-02 | 2015-06-03 | 逸盛大化石化有限公司 | Efficient stirring tank for PTA (pure terephthalic acid) refining unit |
| CN105276193A (en) * | 2015-01-09 | 2016-01-27 | 淄博三田化工装备有限公司 | Static axial double-end-face mechanical sealing structure, stirrer and stirred tank |
| CN206429657U (en) * | 2016-12-21 | 2017-08-22 | 广东金宗机械有限公司 | A kind of reactor sealing device |
| CN208221169U (en) * | 2018-05-25 | 2018-12-11 | 江西力玛机电科技有限公司 | A kind of water pump bearing fuel tank automatic oil recharging device |
| CN111102356A (en) * | 2020-01-13 | 2020-05-05 | 西安瑞联新材料股份有限公司 | Double-end-face mechanical seal |
| CN213254451U (en) * | 2020-09-15 | 2021-05-25 | 奥格流体工程（三河）有限公司 | Reaction kettle stirring device suitable for viscous liquid |
| CN214578851U (en) * | 2020-12-16 | 2021-11-02 | 河南顺达新能源科技有限公司 | Mechanical sealing device for reaction kettle |
| CN216478934U (en) * | 2021-12-08 | 2022-05-10 | 西安壹波流体科技有限责任公司 | Leakage-free sealing device for ABS polymerization kettle |
-
2021
- 2021-12-08 CN CN202111492591.5A patent/CN114017506A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2186330Y (en) * | 1994-01-25 | 1994-12-28 | 朱金明 | Machinery sealing device for stillage |
| JP2001065705A (en) * | 1999-08-26 | 2001-03-16 | Koyo Kikai Sangyo Kk | Shaft sealing method for mixing shaft of mixer |
| CN2745643Y (en) * | 2004-08-18 | 2005-12-14 | 浙江新和成股份有限公司 | Chemical agitated reactor |
| JP2008149704A (en) * | 2006-12-15 | 2008-07-03 | Obligatory Industrial Co Ltd | Concrete grouting apparatus |
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| CN104667789A (en) * | 2013-12-02 | 2015-06-03 | 逸盛大化石化有限公司 | Efficient stirring tank for PTA (pure terephthalic acid) refining unit |
| CN105276193A (en) * | 2015-01-09 | 2016-01-27 | 淄博三田化工装备有限公司 | Static axial double-end-face mechanical sealing structure, stirrer and stirred tank |
| CN206429657U (en) * | 2016-12-21 | 2017-08-22 | 广东金宗机械有限公司 | A kind of reactor sealing device |
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| CN111102356A (en) * | 2020-01-13 | 2020-05-05 | 西安瑞联新材料股份有限公司 | Double-end-face mechanical seal |
| CN213254451U (en) * | 2020-09-15 | 2021-05-25 | 奥格流体工程（三河）有限公司 | Reaction kettle stirring device suitable for viscous liquid |
| CN214578851U (en) * | 2020-12-16 | 2021-11-02 | 河南顺达新能源科技有限公司 | Mechanical sealing device for reaction kettle |
| CN216478934U (en) * | 2021-12-08 | 2022-05-10 | 西安壹波流体科技有限责任公司 | Leakage-free sealing device for ABS polymerization kettle |
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