CN110694512A - Novel lower mechanical stirrer - Google Patents
Novel lower mechanical stirrer Download PDFInfo
- Publication number
- CN110694512A CN110694512A CN201910792428.7A CN201910792428A CN110694512A CN 110694512 A CN110694512 A CN 110694512A CN 201910792428 A CN201910792428 A CN 201910792428A CN 110694512 A CN110694512 A CN 110694512A
- Authority
- CN
- China
- Prior art keywords
- mechanical seal
- water inlet
- pipeline
- mechanical
- pneumatic diaphragm
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/21—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts
- B01F27/213—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts characterised by the connection with the drive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/322—Construction of driving shafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F2035/35—Use of other general mechanical engineering elements in mixing devices
- B01F2035/351—Sealings
- B01F2035/3512—Fluid sealings, e.g. using liquids or air under pressure which is leaking into the mixing receptacle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F2035/35—Use of other general mechanical engineering elements in mixing devices
- B01F2035/352—Bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/98—Cooling
Abstract
The invention discloses a novel lower mechanical stirrer which comprises a motor device, wherein the motor device is fixed on a motor base of a stirrer, the interior of the motor device is connected with one end of a transmission shaft through a bearing, the other end of the transmission shaft is positioned in a mechanical seal, the rotation shaft penetrates through the interior of the motor base of the stirrer and is fixed through double bearings, the transmission shaft is connected with a stirring paddle fixing shaft through a connector, a stirring paddle is fixed on the stirring paddle fixing shaft, the mechanical seal is provided with a mechanical seal inner cavity, a mechanical seal water inlet and a mechanical seal water outlet, the connector is positioned in the mechanical seal inner cavity, the mechanical seal water inlet is connected with a cooling water treatment device, and the mechanical seal water outlet is connected with a. The cooled pure steam condensate water is used as cooling water for mechanical sealing, so that the cooling water is prevented from deteriorating; the mechanical seal can be sterilized by using pure steam regularly, and the service life of the mechanical seal is prolonged.
Description
Technical Field
The invention relates to the technical field of stirrers, in particular to a novel lower mechanical stirrer.
Background
At present, when a plurality of chemical enterprises and pharmaceutical manufacturers produce products, product raw materials need to be stirred and mixed, and a mechanical stirrer is usually adopted. Mechanical agitator passes through the motor and drives stirring paddle leaf and rotate each raw materials of homogeneous mixing, the motor passes through the connector with stirring paddle leaf and is connected and install in mechanical seal, when the motor drives stirring paddle leaf operation, the inside high temperature that can produce of mechanical seal, need use the coolant liquid to cool off, the more cooling water that adopts of coolant liquid today, but the cooling water that uses now all does not pass through sterilization treatment, long-time use can lead to the cooling water rotten, thereby make and cause the corruption with the connector mechanical seal, thereby reduce mechanical agitator's life, it is hidden to have production simultaneously.
Disclosure of Invention
The invention aims to provide a novel lower mechanical stirrer to solve the problems that cooling water in a mechanical seal is deteriorated and corrodes the mechanical seal and a connector in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: a novel lower mechanical stirrer comprises a motor device, wherein the upper end of the motor device is fixed on a stirrer motor base, the interior of the motor device is connected with one end of a transmission shaft through a bearing, the other end of the transmission shaft is positioned in a mechanical seal after passing through the interior of the stirrer motor base, a rotating shaft positioned in the interior of the stirrer motor base is fixed through double bearings, the transmission shaft positioned in the interior of the mechanical seal is connected with a stirring paddle fixing shaft through a connector, stirring paddles are fixed on the stirring paddle fixing shaft, the stirring paddle fixing shaft and the stirring paddles are positioned in a stirring tank, the bottom of the stirring tank is fixed at the upper end of the mechanical seal, the mechanical seal is provided with a mechanical seal inner cavity, a mechanical seal water inlet and a mechanical seal water outlet, the connector is positioned in the mechanical seal inner cavity, the mechanical seal, the water outlet of the mechanical seal water seal is connected with a drainage system;
the cooling water treatment device comprises a pure steam pipeline, the pure steam pipeline is connected with a pneumatic diaphragm valve I, a heat exchanger is connected with a pipeline of the pneumatic diaphragm valve I, a cooler is arranged inside the heat exchanger, an external connection liquid level sensor is arranged inside the heat exchanger, the cooler is provided with a cooling water outlet pipeline and a cooling water inlet pipeline, a water inlet valve is connected to the bottom of the heat exchanger through a pipeline, a water inlet valve is connected with a mechanical seal water inlet through a pipeline, a drainage system comprises a pneumatic diaphragm valve II, one end of the pneumatic diaphragm valve II is connected with a drain valve through a pipeline, the other end of the pneumatic diaphragm valve is connected with a mechanical seal water seal.
Preferably, the motor device is integrated with a motor and a speed reducer, and the inside of the heat exchanger is provided with a sterilization device.
Preferably, the mechanical seal is a double-ended mechanical seal.
Preferably, the water inlet valve is connected with a mechanical seal water inlet through a metal hose I, and a mechanical seal water outlet is connected with a pneumatic diaphragm valve II through a metal hose II.
The invention has the technical effects and advantages that: the device adopts double-end-face mechanical sealing, and has high sealing performance; the cooled pure steam condensate water is used as cooling water for mechanical sealing, so that the cooling water is prevented from deteriorating; the mechanical seal can be sterilized by using pure steam regularly, and the service life of the mechanical seal is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure of the present invention shown in FIG. 1 at A;
FIG. 3 is a schematic view of the working principle of the cooling water treatment apparatus and the drainage system according to the present invention.
In the figure: 1-motor device, 2-mixer motor base, 3-transmission shaft, 4-mechanical seal, 5-double bearing, 6-connector, 7-stirring blade fixed shaft, 8-stirring blade, 9-stirring tank, 10-mechanical seal internal cavity, 11-mechanical seal water inlet, 12-mechanical seal water outlet, 13-cooling water treatment device, 14-drainage system, 15-pure steam pipeline, 16-pneumatic diaphragm valve I, 17-heat exchanger, 18-cooler, 19-liquid level sensor, 20-cooling water outlet pipeline, 21-cooling water inlet pipeline, 22-water inlet valve, 23-dynamic diaphragm valve II, 24-water drain valve, 25-metal hose I, 26-metal hose II.
Detailed Description
In the description of the present invention, it should be noted that unless otherwise specified or limited, the terms "mounted," "connected," and "connected" are used broadly and can be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected through an intermediate medium, and can communicate between two elements.
Example 1
The novel lower mechanical stirrer shown in fig. 1 ~ and fig. 3 comprises a motor device 1, wherein the upper end of the motor device 1 is fixed on a stirrer motor base 2, the inside of the motor device 1 is connected with one end of a transmission shaft 3 through a bearing, the other end of the transmission shaft 3 is positioned inside a mechanical seal 4 through the inside of the stirrer motor base 2, a rotating shaft 3 positioned inside the stirrer motor base 2 is fixed through a double bearing 5, the transmission shaft 3 positioned inside the mechanical seal 4 is connected with a stirring blade fixing shaft 7 through a connector 6, the stirring blade fixing shaft 7 is fixed with a stirring blade 8, the stirring blade fixing shaft 7 and the stirring blade 8 are positioned inside a stirring tank 9, the bottom of the stirring tank 9 is fixed on the upper end of the mechanical seal 4, the mechanical seal 4 is provided with a mechanical seal inner cavity 10, a mechanical seal water inlet 11 and a mechanical seal water seal outlet 12, the connector 6 is positioned inside the mechanical seal inner cavity 10, the mechanical seal water inlet 11 is connected with a cooling water treatment device 13, and the mechanical seal water outlet 12;
cooling water treatment facilities 13 includes pure steam pipeline 15, pure steam pipeline 15 pipe connection pneumatic diaphragm valve I16, pneumatic diaphragm valve I16 pipe connection heat exchanger 17, heat exchanger 17 is inside to be equipped with cooler 18, external connection level sensor 19, cooler 18 is equipped with cooling water outlet pipeline 20 and cooling water inlet pipeline 21, heat exchanger 17 bottom pipe connection water intaking valve 22, water intaking valve 21 pipe connection mechanical seal water inlet 11, drainage system 14 includes pneumatic diaphragm valve II 23, hydrophobic valve 24 is connected to pneumatic diaphragm valve II 23 one end pipe connection, other end pipe connection mechanical seal water outlet 12, hydrophobic valve 24 pipe connection drain pipe.
Example 2
The novel lower mechanical stirrer shown in fig. 1 ~ and fig. 3 comprises a motor device 1, wherein the upper end of the motor device 1 is fixed on a stirrer motor base 2, the inside of the motor device 1 is connected with one end of a transmission shaft 3 through a bearing, the other end of the transmission shaft 3 is positioned inside a mechanical seal 4 through the inside of the stirrer motor base 2, a rotating shaft 3 positioned inside the stirrer motor base 2 is fixed through a double bearing 5, the transmission shaft 3 positioned inside the mechanical seal 4 is connected with a stirring blade fixing shaft 7 through a connector 6, the stirring blade fixing shaft 7 is fixed with a stirring blade 8, the stirring blade fixing shaft 7 and the stirring blade 8 are positioned inside a stirring tank 9, the bottom of the stirring tank 9 is fixed on the upper end of the mechanical seal 4, the mechanical seal 4 is provided with a mechanical seal inner cavity 10, a mechanical seal water inlet 11 and a mechanical seal water seal outlet 12, the connector 6 is positioned inside the mechanical seal inner cavity 10, the mechanical seal water inlet 11 is connected with a cooling water treatment device 13, and the mechanical seal water outlet 12;
the cooling water treatment device 13 comprises a pure steam pipeline 15, the pure steam pipeline 15 is connected with a pneumatic diaphragm valve I16 through a pipeline, the pneumatic diaphragm valve I16 is connected with a heat exchanger 17 through a pipeline, a cooler 18 is arranged inside the heat exchanger 17, an external connection liquid level sensor 19 is arranged on the cooler 18, the cooler 18 is provided with a cooling water outlet pipeline 20 and a cooling water inlet pipeline 21, the bottom of the heat exchanger 17 is connected with a water inlet valve 22 through a pipeline, the water inlet valve 21 is connected with a mechanical seal water inlet 11 through a pipeline, the drainage system 14 comprises a pneumatic diaphragm valve II 23, one end of the pneumatic diaphragm valve II 23 is connected with a drainage valve 24 through a pipeline, the other end of the pneumatic diaphragm valve II 23 is connected with a mechanical seal water outlet 12 through a pipeline, the drainage valve 24 is connected with a drainage pipe through a pipeline, and when pure steam sterilization is, the steam trap 23 traps the sterilized pure steam and then drains the water normally through a drain pipe.
Preferably, the motor device 1 is integrated with a motor and a speed reducer, and a sterilization device is arranged inside the heat exchanger 17, so that the purified water in the heat exchanger 17 can be sterilized.
Preferably, the mechanical seal 4 is a double-ended mechanical seal.
Preferably, the water inlet valve 22 is connected with a mechanically sealed water seal water inlet 11 through a metal hose I25, and the mechanically sealed water seal water outlet 12 is connected with a pneumatic diaphragm valve II 23 through a metal hose II 26.
The process flow and the working principle of the invention are as follows: when raw materials are stirred, the motor device 1 is started, the transmission shaft 3 drives the stirring blade fixed shaft 7 and the stirring blade 8 to stir through the connector 6, the mechanical seal inner cavity 10 of the mechanical seal 4 flows through the mechanical seal water inlet 11 and the mechanical seal water outlet 12 to be cooled through cooling water in the stirring process, the flowing cooling water is introduced into the heat exchanger 17 through the pure steam pipeline 15 in the cooling water treatment device 13, then is cooled through the cooler 18 in the heat exchanger 17, is generated after sterilization through the sterilization device, and is treated through the drain valve 24 of the drain system 14 after flowing out of the mechanical seal water outlet 12; or when the mechanical seal internal cavity 10 is sterilized by pure steam, the pure steam in the heat exchanger 17 is directly introduced into the mechanical seal internal cavity 10 of the mechanical seal 4 without being cooled for sterilization, the steam trap 23 traps the sterilized pure steam, and normal water drainage is performed through the water drainage pipe.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides a novel lower mechanical agitator, includes motor device, its characterized in that: the upper end of the motor device is fixed on a mixer motor base, the interior of the motor device is connected with one end of a transmission shaft through a bearing, the other end of the transmission shaft is positioned in a mechanical seal after passing through the interior of the mixer motor base, a rotating shaft positioned in the interior of the mixer motor base is fixed through a double bearing, the transmission shaft positioned in the interior of the mechanical seal is connected with a stirring paddle shaft through a connector, the stirring paddle shaft is fixed with a stirring paddle, the stirring paddle shaft and the stirring paddle are positioned in a stirring tank, the bottom of the stirring tank is fixed on the upper end of the mechanical seal, the mechanical seal is provided with a mechanical seal inner cavity, a mechanical seal water inlet and a mechanical seal water outlet, the connector is positioned in the mechanical seal inner cavity, the mechanical seal water inlet, the water outlet of the mechanical seal water seal is connected with a drainage system;
the cooling water treatment device comprises a pure steam pipeline, the pure steam pipeline is connected with a pneumatic diaphragm valve I, a heat exchanger is connected with a pipeline of the pneumatic diaphragm valve I, a cooler is arranged inside the heat exchanger, an external connection liquid level sensor is arranged inside the heat exchanger, the cooler is provided with a cooling water outlet pipeline and a cooling water inlet pipeline, a water inlet valve is connected to the bottom of the heat exchanger through a pipeline, a water inlet valve is connected with a mechanical seal water inlet through a pipeline, a drainage system comprises a pneumatic diaphragm valve II, one end of the pneumatic diaphragm valve II is connected with a drain valve through a pipeline, the other end of the pneumatic diaphragm valve is connected with a mechanical seal water seal.
2. The new lower mechanical agitator of claim 1, wherein: the motor device is integrated with a motor and a speed reducer, and the sterilizing device is arranged in the heat exchanger.
3. The new lower mechanical agitator of claim 1, wherein: the mechanical seal is a double-end mechanical seal.
4. The new lower mechanical agitator of claim 1, wherein: the water inlet valve is connected with a mechanical seal water inlet through a metal hose I, and a mechanical seal water outlet is connected with a pneumatic diaphragm valve II through a metal hose II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910792428.7A CN110694512A (en) | 2019-08-26 | 2019-08-26 | Novel lower mechanical stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910792428.7A CN110694512A (en) | 2019-08-26 | 2019-08-26 | Novel lower mechanical stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110694512A true CN110694512A (en) | 2020-01-17 |
Family
ID=69193482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910792428.7A Pending CN110694512A (en) | 2019-08-26 | 2019-08-26 | Novel lower mechanical stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110694512A (en) |
-
2019
- 2019-08-26 CN CN201910792428.7A patent/CN110694512A/en active Pending
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