CN210344300U - YGMJ series mechanical sealed motor for high temperature furnace - Google Patents
YGMJ series mechanical sealed motor for high temperature furnace Download PDFInfo
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- CN210344300U CN210344300U CN201921313811.1U CN201921313811U CN210344300U CN 210344300 U CN210344300 U CN 210344300U CN 201921313811 U CN201921313811 U CN 201921313811U CN 210344300 U CN210344300 U CN 210344300U
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Abstract
The YGMJ series high temperature furnace uses the mechanical sealed motor. Most furnace high temperature anticorrosive motors in the market at present adopt double water-cooling structure, stator casing internally mounted stainless steel shield cover, and this kind of anticorrosive structure has seriously reduced the power factor of motor, does not accord with the energy-concerving and environment-protective requirement of national requirement. A YGMJ series mechanical sealed motor for high temperature furnace, comprising: cooling water jacket (3), front end housing (4), take stator casing (7), rear end cap machine cooling fan subassembly (8), mechanical seal quiet ring A (2), mechanical seal rotating ring A (1), mechanical seal quiet ring B (6) and mechanical seal rotating ring B (5), mechanical seal quiet ring A and mechanical seal rotating ring A install in motor cooling water cavity front end, and mechanical seal quiet ring B and mechanical seal rotating ring B install in the inside in motor cooling water cavity. The utility model discloses be applied to the high temperature furnace motor.
Description
The technical field is as follows:
the utility model relates to a YGMJ series mechanical seal motor for high temperature furnace.
Background art:
in spite of the high-speed development of Chinese induction heat treatment equipment for sixty years, the process level is continuously improved and basically reaches the foreign level, the technical requirements on a furnace motor are more and more, and particularly in the technical field of high-temperature sealing, the design not only responds to the national call for energy conservation and environmental protection, but also considers the special use environments of high temperature, high working pressure, high-concentration steam, corrosive gas, high rotating speed and the like of the motor.
Most of high-temperature anticorrosive motors for furnaces in the current market adopt a double water-cooling structure and stainless steel shielding sleeves are arranged inside stator casings, the power factor of the motors is seriously reduced by the anticorrosive structure, the high-temperature anticorrosive motors do not meet the energy-saving and environment-friendly requirements of national requirements, and the bearings and other parts of the motors cannot be protected from being corroded by gas in the furnaces. And a structure that a coupler and a belt pulley are sealed by using packing is adopted, so that the sealing structure is very easy to leak and cannot be applied to the environment with high sealing requirements. Magnetic seals are also used but are limited by line speeds and are cost prohibitive and complex to install.
The invention content is as follows:
the utility model aims at providing a YGMJ series mechanical seal motor for high temperature furnace.
The above purpose is realized by the following technical scheme:
a YGMJ series mechanical sealed motor for high temperature furnace, comprising: the cooling water jacket, the front end cover, the housing with the stator and the cooling fan component of the rear end cover machine comprise a mechanical seal static ring A, a mechanical seal moving ring A, a mechanical seal static ring B and a mechanical seal moving ring B, wherein the mechanical seal static ring A and the mechanical seal moving ring A are installed at the front end of a cooling water cavity of the motor, the mechanical seal static ring B and the mechanical seal moving ring B are installed in the cooling water cavity of the motor, the cooling water jacket is fixedly connected with the front end cover through a bolt component, the housing with the stator is fixedly connected with the rear end cover and the cooling fan component through a bolt component, and the front end cover is fixedly connected with the housing with the stator through a bolt component.
In the YGMJ series mechanical seal motor for the high-temperature furnace, the mechanical seal static ring A and the front end cover static ring box are matched for processing or are installed in a clearance fit manner, and are fixed on the static ring box by using a positioning pin and then are axially fixed by using a pressing plate during installation; the mechanical seal rotating ring A is installed in a clearance fit mode with the shaft, a set screw is fixed on the shaft after the distance is adjusted by a spring on the mechanical seal rotating ring A, the mechanical seal static ring B is machined in a matched mode with a front end cover static ring box or fixedly installed in a clearance fit mode, the mechanical seal rotating ring B is installed in a clearance fit mode with the shaft, and the set screw is fixed on the shaft after the distance is adjusted by the spring on the mechanical seal rotating ring B.
The mechanical seal motor for the YGMJ series high temperature furnace is characterized in that a mechanical seal static ring A is provided with a seal ring, a shaft seal is a static seal, friction surfaces of the mechanical seal static ring A and the mechanical seal dynamic ring A are radial dynamic seals, the mechanical seal dynamic ring A is also provided with the seal ring which is an axial dynamic seal, the mechanical seal static ring B is provided with the seal ring, the shaft seal is a static seal, the friction surfaces of the mechanical seal static ring B and the mechanical seal dynamic ring B are radial dynamic seals, and the mechanical seal dynamic ring B is also provided with the seal ring which is an axial dynamic seal.
The utility model has the advantages that:
1. the utility model discloses YGMJ series high temperature furnace is with mechanical seal motor mainly used highest operating temperature is at 950 ℃, highest operating pressure is under 6.3Mpa environment, plays the stirring circulation effect to the temperature and the atmosphere in the thermal treatment equipment, thereby makes the temperature keep even unanimous messenger heat treatment process can go on by safe efficient in the equipment.
2. The utility model discloses change the motor rotation axis into direct-connected type, mechanical seal system can the direct mount to the rotation axis promptly, and directly be connected with the load, the axle of having avoided improper leading to the fact because of the coupling joint is flexible, the big problem of radial run-out, through with mechanical seal system mount motor and furnace body contact surface foremost (cooling water cavity front end), corrosive gas gets into the motor in can effectual prevention stove like this, reach the totally enclosed effect, (stainless steel housing alright remove, the casing also need not water cooling mechanism), utilize the special cooling water route of design, can also can take away mechanical seal face because of the high heat that rotary friction produced with the outside heat transfer of temperature in the effectual resistance stove, improve mechanical seal's security and life.
3. The mechanical sealing system of the utility model is designed by combining 2 groups of moving rings and static rings; the cooling water channel is designed to take away high heat generated by the mechanical sealing surface due to rotary friction, so that the safety of the mechanical seal is improved, and the service life of the mechanical seal is prolonged; the other group is designed to be arranged in the cooling water cavity (the front end of the bearing) and used for sealing the cooling water to prevent the cooling water from leaking and damaging the motor.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a partially enlarged view of a portion I in fig. 1.
Fig. 4 is a partially enlarged view of a portion II in fig. 3.
In the figure: 1. the mechanical sealing static ring cooling device comprises mechanical sealing dynamic rings A and 2, mechanical sealing static rings A and 3, a cooling water jacket, 4, a front end cover, 5, mechanical sealing dynamic rings B and 6, mechanical sealing static rings B and 7, a stator-provided shell, 8, a rear end cover machine cooling fan assembly, 9, sealing friction surfaces A and 10, sealing friction surfaces B and 11, a cooling water channel, 12 and a pressing plate.
The specific implementation mode is as follows:
example 1:
a YGMJ series mechanical sealed motor for high temperature furnace, comprising: a cooling water jacket 3, a front end cover 4, a stator-carrying machine shell 7, a rear end cover machine cooling fan assembly 8, a mechanical seal static ring A2, a mechanical seal dynamic ring A1, a mechanical seal static ring B6 and a mechanical seal dynamic ring B5, the mechanical seal static ring A and the mechanical seal moving ring A are arranged at the front end of a cooling water cavity of the motor to prevent the furnace body from sealing harmful gas which corrodes the motor, the mechanical seal static ring B and the mechanical seal dynamic ring B are arranged in the cooling water cavity of the motor, namely the front end position of the bearing is used for sealing cooling water to prevent leakage, the cooling water jacket is fixedly connected with the front end cover through a bolt assembly, the stator-equipped casing is fixedly connected with the rear end cover and the cooling fan assembly through the bolt assembly, and the front end cover is fixedly connected with the stator-equipped casing through the bolt assembly.
Example 2:
according to the YGMJ series mechanical seal motor for the high temperature furnace in the embodiment 1, the mechanical seal static ring A and the front end cover static ring box are processed in a matched mode or installed in a clearance fit mode, the mechanical seal static ring A is fixed on the static ring box through a positioning pin during installation, and then the mechanical seal static ring A is axially fixed through the pressing plate 12 to prevent the mechanical seal static ring A from moving; the mechanical seal rotating ring A is installed in a clearance fit mode with the shaft, a set screw is fixed on the shaft after the distance is adjusted by a spring on the mechanical seal rotating ring A, the mechanical seal static ring B is machined in a matched mode with a front end cover static ring box or fixedly installed in a clearance fit mode, the mechanical seal rotating ring B is installed in a clearance fit mode with the shaft, and the set screw is fixed on the shaft after the distance is adjusted by the spring on the mechanical seal rotating ring B.
Example 3:
the YGMJ series mechanical seal motor for high temperature furnaces, as per embodiment 1 or 2, wherein the stationary mechanical seal ring a is provided with a seal ring, and the shaft seal is a stationary seal, the friction surfaces with the stationary mechanical seal ring a and the moving mechanical seal ring a are radial dynamic seals, the moving mechanical seal ring a is provided with a seal ring, and the axial dynamic seal, the stationary mechanical seal ring B is provided with a seal ring, and the shaft seal is a stationary seal, the friction surfaces with the stationary mechanical seal ring B and the moving mechanical seal ring B are radial dynamic seals, and the moving mechanical seal ring B is provided with a seal ring, and the axial dynamic seal.
Example 4:
according to the mechanical seal motor for the YGMJ series high-temperature furnace described in embodiment 1, 2, or 3, the cooling water path takes away water by the high temperature generated when the mechanical seal stationary ring a and the shaft are subjected to rotational friction by using the gap between the mechanical seal stationary ring a and the shaft, and the mechanical seal moving ring B and the mechanical seal stationary ring B prevent water from entering the motor to perform sealing.
Example 5:
the cooling water jacket, the front end cover, the machine shell with the stator, the mechanical seal static ring A, the mechanical seal moving ring A, the mechanical seal static ring B and the mechanical seal moving ring B form a mechanical seal system, the mechanical seal static ring B and the mechanical seal moving ring B in the mechanical seal system can be directly installed on a rotating shaft and are directly connected with a load, and the mechanical seal static ring A and the mechanical seal moving ring A in the mechanical seal system are installed at the foremost end of the contact surface of a motor and a furnace body, so that the front end of a cooling water cavity is prevented from corrosive gas in the furnace from entering the motor, and the complete seal effect is achieved.
Claims (3)
1. A YGMJ series mechanical sealed motor for high temperature furnace, comprising: cooling water jacket, front end housing, take stator casing, rear end cap machine cooling fan subassembly, mechanical seal quiet ring A, mechanical seal rotating ring A, mechanical seal quiet ring B and mechanical seal rotating ring B, characterized by: the mechanical seal static ring A and the mechanical seal moving ring A are arranged at the front end of a motor cooling water cavity, the mechanical seal static ring B and the mechanical seal moving ring B are arranged in the motor cooling water cavity, a cooling water jacket is fixedly connected with a front end cover through a bolt component, a stator-provided shell is fixedly connected with a rear end cover and a cooling fan component through a bolt component, and the front end cover is fixedly connected with the stator-provided shell through a bolt component.
2. The YGMJ series mechanical seal motor for high temperature furnace according to claim 1, wherein: the mechanical seal static ring A and the front end cover static ring box are processed in a matched mode or installed in a clearance fit mode, and are fixed on the static ring box through a positioning pin and then are axially fixed through a pressing plate during installation; the mechanical seal rotating ring A is installed in a clearance fit mode with the shaft, a set screw is fixed on the shaft after the distance is adjusted by a spring on the mechanical seal rotating ring A, the mechanical seal static ring B is machined in a matched mode with a front end cover static ring box or fixedly installed in a clearance fit mode, the mechanical seal rotating ring B is installed in a clearance fit mode with the shaft, and the set screw is fixed on the shaft after the distance is adjusted by the spring on the mechanical seal rotating ring B.
3. The YGMJ series mechanical seal motor for high temperature furnace according to claim 2, wherein: the mechanical seal static ring A is provided with a sealing ring, the shaft seal is static seal, the friction surfaces of the mechanical seal static ring A and the mechanical seal moving ring A are radial dynamic seal, the mechanical seal moving ring A is also provided with a sealing ring which is axial dynamic seal, the mechanical seal static ring B is provided with a sealing ring, the shaft seal is static seal, the friction surfaces of the mechanical seal static ring B and the mechanical seal moving ring B are radial dynamic seal, and the mechanical seal moving ring B is also provided with a sealing ring which is axial dynamic seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921313811.1U CN210344300U (en) | 2019-08-14 | 2019-08-14 | YGMJ series mechanical sealed motor for high temperature furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921313811.1U CN210344300U (en) | 2019-08-14 | 2019-08-14 | YGMJ series mechanical sealed motor for high temperature furnace |
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| Publication Number | Publication Date |
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| CN210344300U true CN210344300U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921313811.1U Active CN210344300U (en) | 2019-08-14 | 2019-08-14 | YGMJ series mechanical sealed motor for high temperature furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440004A (en) * | 2019-08-14 | 2019-11-12 | 哈尔滨滨大科技有限公司 | YGMJ series of high temperature furnace mechanical seal motor and encapsulating method |
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2019
- 2019-08-14 CN CN201921313811.1U patent/CN210344300U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440004A (en) * | 2019-08-14 | 2019-11-12 | 哈尔滨滨大科技有限公司 | YGMJ series of high temperature furnace mechanical seal motor and encapsulating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ygmj series mechanical seal motor for high temperature furnace Effective date of registration: 20220104 Granted publication date: 20200417 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: HARBIN BINDA TECHNOLOGY Co.,Ltd. Registration number: Y2022230000001 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230128 Granted publication date: 20200417 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: HARBIN BINDA TECHNOLOGY Co.,Ltd. Registration number: Y2022230000001 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |