CN204852354U - New installation of sealed heat transfer of reinforcing magnetic fluid - Google Patents
New installation of sealed heat transfer of reinforcing magnetic fluid Download PDFInfo
- Publication number
- CN204852354U CN204852354U CN201520532273.0U CN201520532273U CN204852354U CN 204852354 U CN204852354 U CN 204852354U CN 201520532273 U CN201520532273 U CN 201520532273U CN 204852354 U CN204852354 U CN 204852354U
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- Prior art keywords
- ring
- seal ring
- pole shoe
- shell
- seal
- Prior art date
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- Expired - Fee Related
Links
- 239000011553 magnetic fluid Substances 0.000 title claims description 20
- 238000009434 installation Methods 0.000 title abstract description 5
- 230000003014 reinforcing effect Effects 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 22
- 230000005389 magnetism Effects 0.000 claims description 20
- 239000007788 liquid Substances 0.000 abstract description 14
- 238000001816 cooling Methods 0.000 abstract description 12
- 230000004323 axial length Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 238000011089 mechanical engineering Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000000843 powder Substances 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 description 5
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
一种增强磁性液体密封换热的新装置，属于机械工程密封领域。解决了现有磁性液体高线速度或者高温旋转密封下，采用循环水冷却导致的结构复杂、轴向长度增加的问题，采用肋片风冷散热导致的加工成本、难度增加的问题。该装置由外壳(1)、左极靴(4)、永磁体(5)、右极靴(6)等构成，铁粉(10)吸附在外壳(1)的外圆柱面形成凹凸不平的锯齿状表面，该结构类似翅片形式，同时铁粉相互之间有空隙，大大增加了外壳与空气的换热面积，增强了磁性液体密封的换热。该装置结构简单、易于安装、加工方便，有效解决了现有高线速度或者高温磁性液体密封冷却方式存在的问题，特别适用于安装空间有限时高线速度或高温磁性液体旋转密封的散热。
The invention discloses a new device for enhancing magnetic liquid seal heat exchange, which belongs to the field of mechanical engineering seal. It solves the problem of complex structure and increased axial length caused by circulating water cooling under the high linear velocity or high temperature rotary seal of the existing magnetic liquid, and the problem of increased processing cost and difficulty caused by air cooling and heat dissipation of fins. The device consists of a casing (1), left pole piece (4), permanent magnet (5), right pole piece (6), etc. Iron powder (10) is adsorbed on the outer cylindrical surface of the casing (1) to form uneven sawtooth Shaped surface, the structure is similar to the form of fins, and there are gaps between the iron powders, which greatly increases the heat exchange area between the shell and the air, and enhances the heat exchange of the magnetic liquid seal. The device has a simple structure, is easy to install, and is convenient to process, and effectively solves the problems existing in the existing high-line speed or high-temperature magnetic liquid seal cooling method, and is especially suitable for heat dissipation of high-line speed or high-temperature magnetic liquid rotary seals when the installation space is limited.
Description
Technical field
The invention belongs to sealing field of mechanical engineering.
Background technique
Magnetic fluid sealing has the advantages such as zero leakage, long lifetime, high reliability and is widely used in all trades and professions due to it.But, when magnetic fluid sealing is used for high linear speed or high temperature occasion, its sealability and life-span can be caused because magnetic liquid temperature is higher to decline, therefore, cooling method must be taked to strengthen magnetic fluid sealing heat exchange.Existing magnetic fluid sealing water cooling plant is if publication number is for as described in the patent of CN200943707, CN104165231A and CN204004434U, although improve the problem that the axial length increase that cold rinse bank device exists opened by traditional pole shoe, but complicated integral structure, processing, installation difficulty increase.Existing magnetic fluid sealing air cooling equipment, if publication number is for as described in the patent of CN203963026U, the device avoids water cooling plant Problems existing, but is the increase in radial length, the increase of shell cost.Other magnetic fluid sealing cooling units existing are if publication number is for as described in the patent of CN103925371A, the shortcoming that although this type of cooling avoids magnetic fluid sealing water-cooled noted earlier, air cooling equipment exists, high cost when Peltier refrigeration will meet large diameter magnetic liquid rotary seal by the restriction of power and size.The present invention proposes a kind of new equipment strengthening magnetic fluid sealing heat exchange, solve the heat dissipation problem of magnetic liquid high linear speed or High Temperature Rotating sealing, this device except magnetic liquid sealing structure without any need for other additional structures, structure is simple, save installing space, greatly reduce difficulty and the cost of processing and installation.
Summary of the invention
The technical issues that need to address of the present invention are, in the device of existing enhancing magnetic liquid high linear speed or High Temperature Rotating sealing heat exchange, the problem that water-circulating cooling device also exists complex structure, axial length increases, fin wind-cooling heat dissipating also exists the problem that radial length increase, shell difficulty of processing and cost increase.Therefore a kind of new equipment strengthening magnetic fluid sealing heat exchange is provided.
The technical solution adopted for the present invention to solve the technical problems is:
Strengthen a new equipment for magnetic fluid sealing heat exchange, form this device and comprise:
Shell, left bearing, left magnetism resistent ring, left pole shoe, permanent magnet, right pole shoe, right magnetism resistent ring, right bearing, end cap, the first seal ring, the second seal ring, the 3rd seal ring, jump ring, iron powder, rotating shaft;
Connection between each several part forming this device:
Described 3rd seal ring is arranged in the seal groove of left pole shoe external cylindrical surface, and form the left pole shoe of band seal ring, described second seal ring is arranged in the seal groove of right pole shoe external cylindrical surface, forms the right pole shoe of band seal ring;
Described permanent magnet is arranged on the right side of the left pole shoe of band seal ring, and the right pole shoe of described band seal ring is arranged on the right side at permanent magnet, forms black box;
Described left bearing is arranged on the right side place of the rotating shaft shaft shoulder, described left magnetism resistent ring is arranged on the right side of left bearing, described black box is arranged on the right side of left magnetism resistent ring, described right magnetism resistent ring is arranged on the right side of black box, described right bearing is arranged on the right side of right magnetism resistent ring, described jump ring is arranged in the jump-ring slot of rotating shaft, forms Runner assembly;
Described Runner assembly installs boss right side in the enclosure;
Described end cap is arranged on the right side of right bearing, is threaded connection between end cap and shell, makes Runner assembly axially locating;
Described first seal ring is arranged in the annular groove of shell right side, seals with exterior part;
Described iron powder adsorption, on the external cylindrical surface of shell, forms rough hackly surface, this similar fin configuration, and have space between iron powder, this all considerably increases the heat exchange area of shell simultaneously.
The present invention compares had beneficial effect with prior art:
(1) by iron powder adsorption to be formed the rough hackly surface of similar fin at the external cylindrical surface of shell, increase the heat exchange area of shell, except magnetic fluid seal device, do not need processing, any other additional structure is installed, overall structure is simplified, save installing space, heat transfer effect is remarkable.
(2) sealing effect is reached by injecting magnetic liquid formation magnetic loop in black box and magnetic conductive shell gap, magnetic liquid directly contacts with the shell inner cylindrical surface of absorption iron powder, reduce heat transfer resistance, iron powder heat-conducting property is good simultaneously, enhances magnetic fluid sealing heat exchange.
Accompanying drawing explanation
A kind of new equipment strengthening magnetic fluid sealing heat exchange of Fig. 1.
Embodiment
Be that the invention will be further described for embodiment with accompanying drawing:
A kind of new equipment strengthening magnetic fluid sealing heat exchange, as Fig. 1, this device comprises: shell 1, left bearing 2-1, left magnetism resistent ring 3-1, left pole shoe 4, permanent magnet 5, right pole shoe 6, right magnetism resistent ring 3-2, right bearing 2-2, end cap 7, first seal ring 8-1, the second seal ring 8-2, the 3rd seal ring 8-3, jump ring 9, iron powder 10, rotating shaft 11;
Connection between each several part forming this device:
Described 3rd seal ring 8-3 is arranged in the seal groove of left pole shoe 4 external cylindrical surface, and form the left pole shoe of band seal ring, described second seal ring 8-2 is arranged in the seal groove of right pole shoe 6 external cylindrical surface, forms the right pole shoe of band seal ring;
Described permanent magnet 5 is arranged on the right side of the left pole shoe of band seal ring, and the right pole shoe of described band seal ring is arranged in the right side of permanent magnet 5, forms black box;
Described left bearing 2-1 is arranged on the right side place of rotating shaft 11 shaft shoulder, described left magnetism resistent ring 3-1 is arranged on left bearing 2-1) right side, described black box is arranged on the right side of left magnetism resistent ring 3-1, described right magnetism resistent ring 3-2 is arranged on the right side of black box, described right bearing 2-2 is arranged on the right side of right magnetism resistent ring 3-2, described jump ring 9 is arranged in the jump-ring slot of rotating shaft 11, forms Runner assembly;
Described Runner assembly is arranged on the boss right side in shell 1;
Described end cap 7 is arranged on the right side of right bearing 2-2, is threaded connection between end cap 7 and shell 1, makes Runner assembly axially locating;
Described first seal ring 8-1 is arranged in the annular groove of shell 1 right side, seals with exterior part;
Described iron powder 10 is adsorbed on the external cylindrical surface of shell 1, forms rough hackly surface, and this surperficial similar fin structure, has space between iron powder, considerably increase the heat exchange area of shell;
Left magnetism resistent ring 3-1, right magnetism resistent ring 3-2, end cap 7, jump ring 9 all adopt non-permeable material, as stainless steel;
Shell 1, left pole shoe 4, right pole shoe 6 all select the material that magnetic property is good, as electrical pure iron etc.;
Rotating shaft 11 is non-permeable material, if rotating shaft 11 can add a non-magnetic axle sleeve at its external cylindrical surface for permeability magnetic material.
Strengthen a new equipment for magnetic fluid sealing heat exchange, only need the external cylindrical surface absorption iron powder at magnetic conductive shell, form the rough hackly surface of similar fin configuration, considerably increase shell heat exchange area; Without the need to processing, installing other structures except the self structure of magnetic fluid seal device, save processing, mounting cost, structure is simple, and the installing space taken is little; Magnetic liquid directly contacts with the shell inner cylindrical surface of absorption iron powder, by shell, iron powder and extraneous heat exchange, reduces heat transfer resistance, and iron powder heat-conducting property is good simultaneously, enhances magnetic fluid sealing heat exchange.This apparatus structure is simple, processing, easy for installation, cost-saving, and the installing space taken is little, and heat transfer effect is remarkable, is particularly useful for the heat radiation of the limited high linear speed of installing space or high temperature magnetic liquid seal.
Claims (1)
1. strengthen a new equipment for magnetic fluid sealing heat exchange, form this device and comprise:
Shell (1), left bearing (2-1), left magnetism resistent ring (3-1), left pole shoe (4), permanent magnet (5), right pole shoe (6), right magnetism resistent ring (3-2), right bearing (2-2), end cap (7), the first seal ring (8-1), the second seal ring (8-2), the 3rd seal ring (8-3), jump ring (9), iron powder (10), rotating shaft (11);
Connection between each several part forming this device:
Described 3rd seal ring (8-3) is arranged in the seal groove of left pole shoe (4) external cylindrical surface, form the left pole shoe of band seal ring, described second seal ring (8-2) is arranged in the seal groove of right pole shoe (6) external cylindrical surface, forms the right pole shoe of band seal ring;
Described permanent magnet (5) is arranged on the right side of the left pole shoe of band seal ring, and the right pole shoe of described band seal ring is arranged in the right side of permanent magnet (5), forms black box;
Described left bearing (2-1) is arranged on the right side place of rotating shaft (11) shaft shoulder, described left magnetism resistent ring (3-1) is arranged on the right side of left bearing (2-1), described black box is arranged on the right side of left magnetism resistent ring (3-1), described right magnetism resistent ring (3-2) is arranged on the right side of black box, described right bearing (2-2) is arranged on the right side of right magnetism resistent ring (3-2), described jump ring (9) is arranged in the jump-ring slot of rotating shaft (11), forms Runner assembly;
Described Runner assembly is arranged on the boss right side in shell (1);
Described end cap (7) is arranged on the right side of right bearing (2-2), is threaded connection, makes Runner assembly axially locating between end cap (7) and shell (1);
Described first seal ring (8-1) is arranged in the annular groove of shell (1) right side, seals with exterior part;
It is characterized in that:
Described iron powder (10) is adsorbed on the external cylindrical surface of shell (1), forms rough hackly surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532273.0U CN204852354U (en) | 2015-07-21 | 2015-07-21 | New installation of sealed heat transfer of reinforcing magnetic fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532273.0U CN204852354U (en) | 2015-07-21 | 2015-07-21 | New installation of sealed heat transfer of reinforcing magnetic fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852354U true CN204852354U (en) | 2015-12-09 |
Family
ID=54742900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520532273.0U Expired - Fee Related CN204852354U (en) | 2015-07-21 | 2015-07-21 | New installation of sealed heat transfer of reinforcing magnetic fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852354U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830178A (en) * | 2017-12-13 | 2018-03-23 | 广西科技大学 | A kind of mixed type reciprocating sealing device |
| WO2020150967A1 (en) * | 2019-01-24 | 2020-07-30 | 清华大学 | Magnetic liquid sealing device having function of preventing non-magnetic substance pollution |
| WO2020150966A1 (en) * | 2019-01-24 | 2020-07-30 | 清华大学 | Magnetic-liquid sealing device with heat conduction rods and heat dissipation sleeve |
-
2015
- 2015-07-21 CN CN201520532273.0U patent/CN204852354U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830178A (en) * | 2017-12-13 | 2018-03-23 | 广西科技大学 | A kind of mixed type reciprocating sealing device |
| WO2020150967A1 (en) * | 2019-01-24 | 2020-07-30 | 清华大学 | Magnetic liquid sealing device having function of preventing non-magnetic substance pollution |
| WO2020150966A1 (en) * | 2019-01-24 | 2020-07-30 | 清华大学 | Magnetic-liquid sealing device with heat conduction rods and heat dissipation sleeve |
| US11174947B2 (en) | 2019-01-24 | 2021-11-16 | Tsinghua University | Magnetic liquid sealing device having heat conductive rod and heat dissipating jacket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20200721 |