CN107570104B - Reaction kettle with non-contact anti-swing support - Google Patents
Reaction kettle with non-contact anti-swing support Download PDFInfo
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- CN107570104B CN107570104B CN201711098116.3A CN201711098116A CN107570104B CN 107570104 B CN107570104 B CN 107570104B CN 201711098116 A CN201711098116 A CN 201711098116A CN 107570104 B CN107570104 B CN 107570104B
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- supporting
- stirring shaft
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- 238000003756 stirring Methods 0.000 claims abstract description 71
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 59
- 239000000498 cooling water Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000011344 liquid material Substances 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention relates to the technical field of manufacturing of chemical machinery reaction kettles, in particular to a reaction kettle with a non-contact anti-swing support, which comprises a kettle body, a stirring transmission device, a stirring shaft and a stirrer.
Description
Technical Field
The invention relates to the technical field of chemical machinery reaction kettle manufacturing, in particular to a reaction kettle with a non-contact anti-swing support, which has the advantages of simple structure, convenient manufacture and reliable work, can avoid damage of granular liquid materials to the support, and is convenient to install and overhaul.
Background
It is well known that a stirring reaction kettle is an indispensable bearing pressure vessel in the production process in the fields of chemical industry and petrochemical industry, the stirring reaction kettle is composed of a kettle body of the reaction kettle, a stirring transmission device, a stirring shaft, a stirrer and the like, power is transmitted to the stirring shaft by the stirring transmission device, the stirring shaft drives the stirrer to operate so as to achieve the purpose of stirring materials, the stirring shaft adopts an cantilever beam type structure, the stirring shaft is convenient to install and maintain, the radial deflection of the stirring shaft in the operation is overlarge due to continuous operation of the stirring shaft in the actual operation and use process, the radial deflection allowed by the sealing part of the stirring shaft is exceeded, the equipment is difficult to normally operate, and the stirring effect is influenced.
At present, in order to stabilize the stirring shaft, the stirring shaft is prevented from shifting, the stirring shaft is generally fixed, the lower end of the stirring shaft is generally fixed on a supporting seat, the lower end of the stirring shaft penetrates into a shaft sleeve arranged on the supporting seat to fix the stirring shaft, but the stirring shaft is inserted into the shaft sleeve of the supporting seat, friction is generated on the shaft sleeve in the supporting seat in the operation process of the stirring shaft, the service life of the supporting seat is further influenced, the shaft sleeve of a wearing part in contact with the stirring shaft needs to be replaced periodically, and the maintenance operation is troublesome, and the maintenance and replacement cost are high in the reaction kettle.
Disclosure of Invention
The invention aims to solve the defects of the prior art, and provides the reaction kettle with the non-contact anti-swing support, which has the advantages of simple structure, convenient manufacture, reliable operation, no damage to the support by the liquid material with particles, and convenient installation and maintenance.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a take non-contact anti-swing support's reation kettle, includes the cauldron body, stirring transmission, (mixing) shaft and agitator, stirring transmission establish in the top of the cauldron body, stirring transmission's output shaft stretches into the cauldron internal and is connected with the (mixing) shaft, be equipped with the agitator on the (mixing) shaft, its characterized in that cauldron body bottom be equipped with the anti-swing supporting mechanism that is used for fixed (mixing) shaft, anti-swing supporting mechanism constitute by outer supporting seat, interior supporting seat, outer magnet, interior magnet, outer supporting seat fix on the cauldron body bottom flange through the bolt fastening, the middle part of outer supporting seat is equipped with the cylindrical recess that supplies the (mixing) shaft to pass into, the recess inner wall of outer supporting seat on inlay annular outer magnet, be equipped with interior supporting seat in the cylindrical recess of outer supporting seat, the outer warp of interior supporting seat is less than the diameter of outer supporting seat cylindrical recess, the outer wall of interior supporting seat on inlay have the interior magnet that corresponds with the outer magnet position, interior magnet is the same with the magnetism of outer magnet, the middle part of interior supporting seat be equipped with the (mixing) shaft and pass through the hole, the inner supporting seat is equipped with the radial side of holding down magnet of holding down the screw in the inner supporting seat and holding down the magnet in the mutual holding down the inner supporting seat.
The anti-swing support mechanism is characterized in that a shaft seal mechanism is arranged above the anti-swing support mechanism and consists of a shaft sleeve and an annular baffle plate, the shaft sleeve is in clearance fit with a stirring shaft, the lower end of the shaft sleeve is connected with the inner diameter of the annular baffle plate, the plate surface of the annular baffle plate is connected with an outer support seat through bolts, and large-particle materials are prevented from entering the inside of a cylindrical groove of the outer support seat through the functions of the annular baffle plate and the shaft sleeve.
The outer side of the outer supporting seat is provided with the cooling mechanism, the cooling mechanism consists of the cooling water jacket and the annular guide plate, the cooling water jacket is sleeved on the outer surface of the outer supporting seat, the annular guide plate is arranged inside the cooling water jacket, and the cooling water jacket is provided with the cooling water inlet and outlet to prevent the magnet from demagnetizing due to overhigh temperature of the anti-swing supporting mechanism.
The temperature controller is arranged on the outer supporting seat, the flow of cooling water is controlled through the data fed back by the temperature controller, the temperature of the anti-swing supporting mechanism is ensured to be within a certain range, the magnet is prevented from demagnetizing due to the overhigh temperature of the anti-swing supporting mechanism, and the stable operation of the anti-swing supporting mechanism is ensured.
The bottom of the outer supporting seat of the anti-swing supporting mechanism is provided with a liquid outlet communicated with the cylindrical groove, the liquid outlet is provided with a screw plug, and liquid in the outer supporting seat is discharged through the liquid outlet.
The middle part of the stirring shaft is provided with a middle supporting mechanism, the middle supporting mechanism consists of an outer supporting sleeve, an inner supporting sleeve, a length adjusting rod and a fixing frame, an annular outer magnet is embedded on the inner wall of the outer supporting sleeve, an annular inner magnet which corresponds to the outer magnet in position and has the same polarity is embedded on the outer wall of the inner supporting sleeve, a locking hole is formed in the inner supporting sleeve, a locking nail is arranged in the locking hole, the locking nail penetrates through the locking hole to be connected with the stirring shaft so as to fix the inner supporting sleeve on the stirring shaft, at least three length adjusting rods are arranged on the outer supporting sleeve, one end of each length adjusting rod is connected with the outer supporting sleeve, the other end of each length adjusting rod is connected with the fixing frame, the fixing frame is fixed on the inner wall of the kettle body, the axis of the outer magnet is adjusted to be the same as the axis of the kettle body through the length adjusting rod, the outer magnet is further fixed, and the stirring shaft is prevented from swinging through homopolar mutual repulsive interaction of the outer magnet and the inner magnet.
The outer magnet is sealed on the outer support seat or the outer support sleeve through the stainless steel plate, and the inner magnet is sealed on the inner support seat or the inner support sleeve through the stainless steel plate, so that materials are isolated, and the materials are prevented from being contacted with the magnet.
The anti-swing support mechanism for fixing the stirring shaft is arranged at the bottom of the kettle body, the shaft seal mechanism, the cooling mechanism and the temperature controller are arranged on the anti-swing support, and the middle support mechanism is arranged at the middle part of the stirring shaft.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partial enlarged view of the portion a in fig. 1.
Fig. 3 is a schematic diagram of the middle support mechanism of fig. 1.
FIG. 4 is a schematic structural view of a reaction kettle with an anti-swing support mechanism.
FIG. 5 is a schematic structural view of a reaction kettle with a middle support mechanism.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in the drawing, a reaction kettle with a non-contact anti-swing support comprises a kettle body 1, a stirring transmission device 2, a stirring shaft 3 and a stirrer 4, wherein the stirring transmission device 2 is arranged above the kettle body 1, an output shaft of the stirring transmission device 2 extends into the kettle body 1 to be connected with the stirring shaft 3, the stirring shaft 3 is provided with the stirrer 4, the structures of the components and the mutual connection relation between the components are the same as those in the prior art, and the non-contact anti-swing support is not repeated, the non-contact anti-swing support is characterized in that the bottom of the kettle body 1 is provided with an anti-swing support mechanism 22 for fixing the stirring shaft 3, the anti-swing support mechanism 22 consists of an outer support seat 5, an inner support seat 6, an outer magnet 7 and an inner magnet 8, the outer support seat 2 is fixed on a flange at the bottom of the kettle body 1 through bolts, the middle part of the outer support seat 5 is provided with a cylindrical groove 9 for the stirring shaft 3 to penetrate, the inner wall of the groove 9 of the outer support seat 5 is embedded with an annular outer magnet 7, the cylindrical groove 9 of the outer support seat 5 is internally provided with an inner support seat 6, the outer diameter of the inner support seat 6 is smaller than the diameter of the cylindrical groove 9 of the outer support seat 5, the outer wall of the inner support seat 6 is embedded with an inner magnet 8 corresponding to the outer magnet 7, the magnetism of the inner magnet 8 is the same as that of the outer magnet 7, the middle part of the inner support seat 6 is provided with a stirring shaft penetrating hole, the side surface of the inner support seat 6 is radially provided with a fastening hole, the fastening hole is internally provided with a fastening screw, the inner support seat 6 is fixed on the stirring shaft 3 through the fastening hole, the stirring shaft 3 is prevented from swinging through the mutual repulsion action of the homopolar inner magnet 8 on the outer magnet 7 and the inner magnet 8 on the inner support seat 6 on the outer support seat 5, a shaft seal mechanism is arranged above the anti-swing support mechanism 22 and consists of a shaft sleeve 10 and an annular baffle plate 11, the shaft sleeve 10 is in clearance fit with the stirring shaft 3, the lower end of the shaft sleeve 10 is connected with the inner diameter of the annular baffle plate 11, the plate surface of the annular baffle plate 11 is connected with the outer supporting seat 5 through bolts, large particle materials are prevented from entering the cylindrical groove 9 of the outer supporting seat 5 through the actions of the annular baffle plate 11 and the shaft sleeve 10, a cooling mechanism is arranged on the outer side of the outer supporting seat 5 and consists of a cooling water jacket 12 and an annular guide plate 13, the cooling water jacket 12 is sleeved on the outer surface of the outer supporting seat 5, the annular guide plate 13 is arranged inside the cooling water jacket 12, a cooling water inlet and outlet 14 is arranged on the cooling water jacket 12 to prevent the temperature of the anti-swing supporting mechanism 22 from being too high, a temperature controller 15 is arranged on the outer supporting seat 5 to demagnetize a magnet, the flow of the cooling water is controlled through data fed back by the temperature controller 15, ensuring the temperature of the anti-swing supporting mechanism 22 to be within a certain range, preventing the magnet from demagnetizing due to overhigh temperature of the anti-swing supporting mechanism, ensuring the stable operation of the anti-swing supporting mechanism, arranging a liquid outlet 16 communicated with the cylindrical groove 9 at the bottom of the outer supporting seat 5 of the anti-swing supporting mechanism 22, arranging a screw plug 17 on the liquid outlet 16, discharging the liquid in the outer supporting seat 5 through the liquid outlet 16, arranging a middle supporting mechanism in the middle of the stirring shaft 3, arranging a middle supporting mechanism 23 consisting of an outer supporting sleeve 18, an inner supporting sleeve 19, a length adjusting rod 20 and a fixing frame 21, arranging an annular outer magnet on the inner wall of the outer supporting sleeve 18, arranging an annular inner magnet corresponding to the outer magnet in position and with the same polarity on the outer wall of the inner supporting sleeve 19, arranging a locking hole in the inner supporting sleeve 19, the locking nail passes through the locking hole to be connected with the (mixing) shaft and then fix the (mixing) shaft on (mixing) shaft 3, outer support sleeve 19 on be equipped with three piece at least length adjustment pole 20, length adjustment pole 20's one end be connected with outer support sleeve 19, the other end is connected with mount 21, mount 21 is fixed on the inner wall of cauldron body 1, adjusts the axle center of outer magnet to the same and then fixed outer magnet with the axle center of cauldron body 1 through adjusting length adjustment pole 20, and then prevents (mixing) shaft swing through outer magnet homopolar mutual repulsion action with the inner magnet, outer magnet seal on outer supporting seat 5 or outer support sleeve 18 through corrosion resistant plate, inner magnet seal on inner supporting seat 6 or inner support sleeve 19 through corrosion resistant plate, the isolated material prevents material and magnet contact.
When the invention is used, the anti-swing support mechanism 22 can be independently arranged in the reaction kettle, the middle support mechanism 23 can also be independently arranged in the reaction kettle, when the length-diameter ratio of a projection strand exceeds 3, the anti-swing support mechanism 22 and the middle support mechanism 23 of the reaction kettle can be simultaneously applied in the reaction kettle, the stirring shaft 3 is ensured to run under small swing, the inner magnet can be directly inlaid on the stirring shaft 3 without the support of the inner support seat 6 and the inner support sleeve 19, the anti-swing support mechanism 22 for fixing the stirring shaft 3 is arranged at the bottom of the kettle body 1, the anti-swing support mechanism 22 consists of an outer support seat 5, an inner support seat 6, an outer magnet 7 and an inner magnet 8, the outer support seat 2 is fixed on the bottom flange of the kettle body 1 through bolts, the middle part of the outer support seat 5 is provided with a cylindrical groove 9 for the stirring shaft 3 to penetrate in, the inner wall of the groove 9 of the outer support seat 5 is embedded with an annular outer magnet 7, the cylindrical groove 9 of the outer support seat 5 is internally provided with an inner support seat 6, the outer diameter of the inner support seat 6 is smaller than the diameter of the cylindrical groove 9 of the outer support seat 5, the outer wall of the inner support seat 6 is embedded with an inner magnet 8 corresponding to the outer magnet 7, the magnetism of the inner magnet 8 is the same as that of the outer magnet 7, the middle part of the inner support seat 6 is provided with a stirring shaft penetrating hole, the side surface of the inner support seat 6 is radially provided with a fastening hole, the fastening hole is internally provided with a fastening screw, the inner support seat 6 is fixed on the stirring shaft 3 through the fastening hole, the stirring shaft 3 is prevented from swinging through the homopolar mutual repulsive interaction of the outer magnet 7 on the outer support seat 5 and the inner magnet 8 on the inner support seat 6, the upper part of the anti-swinging support mechanism 22 is provided with a shaft seal mechanism, the shaft seal mechanism consists of a shaft sleeve 10 and an annular baffle plate 11, the shaft sleeve 10 is in clearance fit with the stirring shaft 3, the lower end of the shaft sleeve 10 is connected with the inner diameter of the annular baffle plate 11, the plate surface of the annular baffle plate 11 is connected with an outer supporting seat 5 through bolts, large particle materials are prevented from entering the cylindrical groove 9 of the outer supporting seat 5 through the actions of the annular baffle plate 11 and the shaft sleeve 10, the outer side of the outer supporting seat 5 is provided with a cooling mechanism, the cooling mechanism consists of a cooling water jacket 12 and an annular guide plate 13, the cooling water jacket 12 is sleeved on the outer surface of the outer supporting seat 5, the annular guide plate 13 is arranged inside the cooling water jacket 12, a cooling water inlet and outlet 14 is arranged on the cooling water jacket 12 to prevent the excessive temperature of the anti-swing supporting mechanism 22 from causing magnet demagnetization, the outer supporting seat 5 is provided with a temperature controller 15, the flow of cooling water is controlled through the data fed back by the temperature controller 15, the temperature of the anti-swing supporting mechanism 22 is ensured to be within a certain range, the excessive temperature of the anti-swing supporting mechanism is prevented, magnet demagnetization is caused, the stable operation of the anti-swing supporting mechanism is ensured, the bottom of the outer supporting seat 5 of the anti-swing supporting mechanism 22 is provided with a liquid outlet 16 communicated with the cylindrical groove 9, the liquid outlet 16 is provided with a screw plug 17, liquid in the outer supporting seat 5 is discharged through the liquid outlet 16, the middle part of the stirring shaft 3 is provided with a middle supporting mechanism, the middle supporting mechanism 23 consists of an outer supporting sleeve 18, an inner supporting sleeve 19, a length adjusting rod 20 and a fixing frame 21, the inner wall of the outer supporting sleeve 18 is embedded with an annular outer magnet, the outer wall of the inner supporting sleeve 19 is embedded with an annular inner magnet which corresponds to the outer magnet in position and has the same polarity, the inner supporting sleeve 19 is provided with a locking hole, the inside of the locking hole is provided with a locking nail, the locking nail penetrates through the locking hole to be connected with the stirring shaft so as to fix the inner supporting sleeve 19 on the stirring shaft 3, the outer supporting sleeve 19 is provided with at least three length adjusting rods 20, one ends of the length adjusting rods 20 are connected with the outer supporting sleeve 19, the other ends of the length adjusting rods are connected with a fixing frame 21, the fixing frame 21 is fixed on the inner wall of the kettle body 1, the axis of the outer magnet is adjusted to be the same as the axis of the kettle body 1 through the length adjusting rods 20 so as to fix the outer magnet, and then the stirring shaft is prevented from swinging through homopolar mutual repulsive interaction of the outer magnet and the inner magnet, the outer magnet is sealed on the outer supporting seat 5 or the outer supporting sleeve 18 through a stainless steel plate, the inner magnet is sealed on the inner supporting seat 6 or the inner supporting sleeve 19 so as to isolate materials from contacting with the magnet, and the advantages of simple structure, convenience in manufacturing, reliability in operation, capability of avoiding damage of the liquid materials with particles to the support, convenience in installation and maintenance and the like are achieved.
Claims (3)
1. The reaction kettle with the non-contact anti-swing support comprises a kettle body, a stirring transmission device, a stirring shaft and a stirrer, wherein the stirring transmission device is arranged above the kettle body, an output shaft of the stirring transmission device extends into the kettle body to be connected with the stirring shaft, and the stirrer is arranged on the stirring shaft;
the upper part of the anti-swing supporting mechanism is provided with a shaft seal mechanism, the shaft seal mechanism consists of a shaft sleeve and an annular baffle plate, the shaft sleeve is in clearance fit with the stirring shaft, the lower end of the shaft sleeve is connected with the inner diameter of the annular baffle plate, and the plate surface of the annular baffle plate is connected with the outer supporting seat through a bolt;
the middle part of the stirring shaft is provided with a middle supporting mechanism, the middle supporting mechanism consists of an outer supporting sleeve, an inner supporting sleeve, a length adjusting rod and a fixing frame, an annular outer magnet is embedded on the inner wall of the outer supporting sleeve, an annular inner magnet which corresponds to the outer magnet in position and has the same polarity is embedded on the outer wall of the inner supporting sleeve, a locking hole is formed in the inner supporting sleeve, a locking nail is arranged in the locking hole, the locking nail penetrates through the locking hole to be connected with the stirring shaft so as to fix the inner supporting sleeve on the stirring shaft, at least three length adjusting rods are arranged on the outer supporting sleeve, one end of each length adjusting rod is connected with the outer supporting sleeve, the other end of each length adjusting rod is connected with the fixing frame, the fixing frame is fixed on the inner wall of the kettle body, the axis of the outer magnet is adjusted to be the same as the axis of the kettle body through the length adjusting rod, the outer magnet is further fixed, and the stirring shaft is prevented from swinging through homopolar repulsive interaction of the outer magnet and the inner magnet;
the outer side of the outer supporting seat is provided with a cooling mechanism, the cooling mechanism consists of a cooling water jacket and an annular guide plate, the cooling water jacket is sleeved on the outer surface of the outer supporting seat, the annular guide plate is arranged inside the cooling water jacket, and a cooling water inlet and a cooling water outlet are formed in the cooling water jacket;
the bottom of the outer supporting seat of the anti-swing supporting mechanism is provided with a liquid outlet communicated with the cylindrical groove, the liquid outlet is provided with a screw plug, and liquid in the outer supporting seat is discharged through the liquid outlet.
2. The reaction kettle with the non-contact anti-swing support according to claim 1, wherein the temperature controller is arranged on the outer support seat.
3. The reaction kettle with the non-contact anti-swing support according to claim 1, wherein the outer magnet is sealed on the outer support seat or the outer support sleeve through a stainless steel plate, and the inner magnet is sealed on the inner support seat or the inner support sleeve through a stainless steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711098116.3A CN107570104B (en) | 2017-11-09 | 2017-11-09 | Reaction kettle with non-contact anti-swing support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711098116.3A CN107570104B (en) | 2017-11-09 | 2017-11-09 | Reaction kettle with non-contact anti-swing support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107570104A CN107570104A (en) | 2018-01-12 |
| CN107570104B true CN107570104B (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711098116.3A Active CN107570104B (en) | 2017-11-09 | 2017-11-09 | Reaction kettle with non-contact anti-swing support |
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| Country | Link |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110465256A (en) * | 2019-09-02 | 2019-11-19 | 兴宇伟业（天津）科技有限公司 | One kind producing reaction kettle for synthetic rubber |
| CN111097333A (en) * | 2020-03-18 | 2020-05-05 | 恒天重工股份有限公司 | Anti-swing supporting device suitable for bottom of vertical stirring equipment |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2368646A1 (en) * | 2002-01-21 | 2003-07-21 | Nova Chemicals Corporation | Suspended reactor stirrer |
| US20030198128A1 (en) * | 2002-04-19 | 2003-10-23 | Carlson Roger W. | Mixing system having non-contacting bearings |
| CN201332350Y (en) * | 2008-12-10 | 2009-10-21 | 威海化工机械有限公司 | High pressure magnetic driving device |
| CN101539166B (en) * | 2009-04-16 | 2010-12-22 | 王铮 | Magnetic suspension bearing |
| CN102420493A (en) * | 2011-12-16 | 2012-04-18 | 杭州英若飞科技有限公司 | Flywheel battery |
| CN202860470U (en) * | 2012-08-08 | 2013-04-10 | 上海森松混合技术工程装备有限公司 | Detachable bottom bearing device |
| CN204469704U (en) * | 2015-03-18 | 2015-07-15 | 南昌来捷尔新材料技术有限公司 | A kind of reactor being applied to processing ink material |
| CN105032240A (en) * | 2015-06-25 | 2015-11-11 | 浙江成汉思创化工设备有限公司 | Vertical discharger |
| CN106246742A (en) * | 2016-09-26 | 2016-12-21 | 南京磁谷科技有限公司 | A kind of water-cooling structure of magnetic suspension motor auxiliary bearing |
| CN207413416U (en) * | 2017-11-09 | 2018-05-29 | 威海化工机械有限公司 | A kind of reaction kettle of the contactless anti-sway support of band |
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2017
- 2017-11-09 CN CN201711098116.3A patent/CN107570104B/en active Active
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| CN107570104A (en) | 2018-01-12 |
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