CN106321503A - Mechanical seal for food equipment - Google Patents
Mechanical seal for food equipment Download PDFInfo
- Publication number
- CN106321503A CN106321503A CN201610782055.1A CN201610782055A CN106321503A CN 106321503 A CN106321503 A CN 106321503A CN 201610782055 A CN201610782055 A CN 201610782055A CN 106321503 A CN106321503 A CN 106321503A
- Authority
- CN
- China
- Prior art keywords
- sealing
- medium
- media
- ring
- seal
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 241000894006 Bacteria Species 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract 2
- 238000009395 breeding Methods 0.000 abstract 1
- 230000001488 breeding effect Effects 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention discloses a mechanical seal for food equipment. The mechanical seal for the food equipment comprises a sealing seat, a medium end static ring installed at the end part of the sealing seat, a medium end movable ring seat fixedly installed on an equipment pump shaft and a medium end movable ring installed in the medium end movable ring seat; medium end sealing rings, each of which is composed of an embedding part and a medium contact part, are arranged between the sealing seat and the medium end static ring, between the medium end movable ring seat and an equipment impeller and between the sealing seat and equipment pump housingrespectively; each embedding part is installed in a component needing to be sealed; each medium contact part is provided with a first sealing plane wall which clings to the sealing wall of one component needing to be sealed, a second sealing plane wall which clings to the sealing wall of one component needing to be sealed and a single-sided medium contact wall for connecting the corresponding first sealing plane wall and the corresponding second sealing plane wall; and each embedding part and each medium contact part are provided with an embedding part steel wire mesh and a medium contact part steel wire mesh respectively. According to the mechanical seal, the medium end sealing rings can prevent a food medium from permeating into a sealing position so as to prevent bacteria from breeding.
Description
Technical field
The present invention relates to food apparatus technical field of mechanical, specifically refer to a kind of food apparatus mechanical seal.
Background technology
For mechanical seal currently for food apparatus pump shaft, because of the particularity of food media, it is in media end
Sealing ring carries out the sealing between parts such as the sealing ring using conventional cross section rounded, then can there is gap at sealing, lead
Cause food media to penetrate into and breed bacteria.Therefore how to design the concrete structure of sealing ring, close effectively to prevent food media from penetrating into
At envelope, the always design focal point of food apparatus mechanical seal.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of food apparatus mechanical seal, this food apparatus machinery
Sealing is in the sealing ring of media end and can effectively prevent food media from penetrating at sealing, thus avoids growing of antibacterial.
The technical solution of the present invention is to provide a kind of food apparatus mechanical seal, including seal receptacle, is loaded on sealing
The media end stationary ring that in seat end and gap is linked on equipment pump shaft, the media end rotating seat being packed on equipment pump shaft, dress
The media end rotating ring that media end end face seal coordinates, described seal receptacle is formed in media end rotating seat and with media end stationary ring
And between media end stationary ring, between described media end rotating seat and equipment impeller, between described seal receptacle and equipment pump case
Being provided with media end sealing ring, described media end sealing ring includes setting-in portion and medium contact site, described setting-in portion setting-in
In needing obturator, described medium contact site is provided with and needs the sealed wall of one of them part in obturator to be close to
First seal planomural, described medium contact site be provided with and need the sealed wall of another part in obturator to be close to second
Sealing planomural, described medium contact site is provided with for connecting the first sealing planomural and the second sealing planomural and forming list with medium
The single face medium contact wall of face contact, is respectively equipped with setting-in portion steel wire in described setting-in portion and medium contact site and medium connects
Contact portion steel wire.
Described setting-in portion is rectangle, and described medium contact site is the most rectangular, and the size in rectangle setting-in portion is more than square
The size of shape medium contact site, rectangle setting-in portion setting-in is firm, and Rectangular Enclosure with Participating Media contact site easy to set up first, second seals flat
Wall and single face medium contact wall.
Described setting-in portion steel wire and medium contact site steel wire connect into an entirety, and after connecting into entirety, intensity is more
Good.
Described seal receptacle is positioned in the end of atmosphere end and is also equipped with atmosphere end stationary ring, and this atmosphere end stationary ring sets with being packed in
Atmosphere end rotating ring on standby pump shaft forms atmosphere end end face seal and coordinates, and this atmosphere end end face seal cooperation is close with media end end face
Envelope cooperation together form double mechanical seal and coordinates, and seals relatively reliable, stable.
Being provided with sealing ring between described seal receptacle and atmosphere end stationary ring, described seal receptacle is provided with and atmosphere end end
The high pressure water injection passage that face seal die cavity is connected, is additionally provided with between described seal receptacle and atmosphere end stationary ring and prevents sealing ring
The back-up ring of extrusion, when flushing pressure is big, back-up ring can prevent the sealing ring between seal receptacle and atmosphere end stationary ring to be extruded.
A kind of food apparatus mechanical seal of the present invention, by the setting of media end sealing ring, adds that media end seals
Circle is provided with setting-in portion and medium contact site, and medium contact site is provided with the first sealing planomural, the second sealing planomural and one side and is situated between
Matter contact wall, this is after needing to arrange between obturator the media end sealing ring of the type, seals the close of planomural and obturator
Envelope wall energy realizes being close to, and produces almost without gap, can effectively prevent food media from penetrating into, it is to avoid growing of antibacterial, and
Being additionally provided with steel wire in setting-in portion and medium contact site, entirety adds the intensity of sealing ring, extends the use of sealing ring
Life-span.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of a kind of food apparatus mechanical seal of the present invention.
Fig. 2 is structure for amplifying schematic diagram at the I in Fig. 1.
As shown in the figure: 1 seal receptacle, 2 equipment pump shafts, 3 media end stationary rings, 4 media end rotating seats, 5 media ends move
Ring, 6 media end sealing rings, 6.1 setting-in portions, 6.11 setting-in portion steel wires, 6.2 medium contact sites, 6.21 first sealings are flat
Wall, 6.22 second sealing planomurals, 6.23 single face medium contact walls, 6.24 medium contact site steel wires, 7 atmosphere end stationary rings, 8
Atmosphere end rotating ring, 9 sealing rings, 10 atmosphere end end face seal die cavities, 11 high pressure water injection passages, 12 back-up rings.
Detailed description of the invention
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings:
As it can be seen, a kind of food apparatus mechanical seal of the present invention, including seal receptacle 1, it is loaded in seal receptacle 1 end
And gap be linked on equipment pump shaft 2 media end stationary ring 3, the media end rotating seat 4 being packed on equipment pump shaft 2, be contained in Jie
The media end rotating ring 5 that media end end face seal coordinates is formed in matter end rotating seat 4 and with media end stationary ring 3.
Between described seal receptacle 1 and media end stationary ring 3, between described media end rotating seat 4 and equipment impeller, described
Seal receptacle 1 and equipment pump case between be provided with media end sealing ring 6.
Described media end sealing ring 6 includes that setting-in portion 6.1 and medium contact site 6.2, described setting-in portion 6.1 are inlaid in
Need in obturator.The sealed wall that described medium contact site 6.2 is provided with one of them part needed in obturator is close to
First sealing planomural 6.21.Described medium contact site 6.2 is provided with and needs the sealed wall of another part in obturator
The the second sealing planomural 6.22 being close to.Described medium contact site 6.2 is provided with for connecting the first sealing planomural 6.21 and second
Seal planomural 6.22 and the single face medium with medium formation single-contact contacts wall 6.23.Described setting-in portion 6.1 and medium connect
Setting-in portion steel wire 6.11 and medium contact site steel wire 6.24 it is respectively equipped with in contact portion 6.2.
Described setting-in portion 6.1 is rectangle, and described medium contact site 6.2 is the most rectangular, and the size in rectangle setting-in portion
Size more than Rectangular Enclosure with Participating Media contact site.
Described setting-in portion steel wire 6.11 connects into an entirety with medium contact site steel wire 6.24.
Described seal receptacle 1 is positioned in the end of atmosphere end and is also equipped with atmosphere end stationary ring 7, this atmosphere end stationary ring 7 be fixedly mounted with
Atmosphere end rotating ring 8 on equipment pump shaft 2 forms atmosphere end end face seal and coordinates.Described seal receptacle 1 and atmosphere end stationary ring 7 it
Between be provided with sealing ring 9, described seal receptacle 1 is provided with the high pressure water injection passage being connected with atmosphere end end face seal die cavity 10
11, it is additionally provided with the back-up ring 12 preventing sealing ring 9 from extruding between described seal receptacle 1 and atmosphere end stationary ring 7.The one of the present invention
Food apparatus mechanical seal defines double mechanical seal and coordinates, and under the setting of high pressure water injection passage 11, can be timely
Reduce the temperature sealing the Double End coordinated, so that the double mechanical seal of the present invention is suitable for the operating mode of high temperature, high pressure, and
The setting of back-up ring, moreover it is possible to effectively prevent the extrusion of sealing ring, has ensured the reliability of mechanical seal.
Claims (5)
1. a food apparatus mechanical seal, including seal receptacle (1), is loaded in seal receptacle (1) end and gap is linked in and sets
Media end stationary ring (3), the media end rotating seat (4) being packed on equipment pump shaft (2) on standby pump shaft (2), it is contained in media end and moves
Form, in ring seat (4) and with media end stationary ring (3), the media end rotating ring (5) that media end end face seal coordinates, it is characterised in that: institute
Between seal receptacle (1) and the media end stationary ring (3) stated, between described media end rotating seat (4) and equipment impeller, described close
Being provided with media end sealing ring (6) between envelope seat (1) and equipment pump case, described media end sealing ring (6) includes setting-in portion
(6.1) and medium contact site (6.2), described setting-in portion (6.1) is inlaid in and needs in obturator, described medium contact site
(6.2) be provided with and need the sealed wall of one of them part in obturator to be close to first sealing planomural (6.21), described
The second sealing planomural that medium contact site (6.2) is provided with and needs the sealed wall of another part in obturator to be close to
(6.22), described medium contact site (6.2) is provided with for connecting the first sealing planomural (6.21) and the second sealing planomural
(6.22) single face medium and forming single-contact with medium contacts wall (6.23), and described setting-in portion (6.1) contacts with medium
Setting-in portion steel wire (6.11) and medium contact site steel wire (6.24) it is respectively equipped with in portion (6.2).
A kind of food apparatus mechanical seal the most according to claim 1, it is characterised in that: described setting-in portion (6.1)
For rectangle, described medium contact site (6.2) is the most rectangular, and the size in rectangle setting-in portion is more than the chi of Rectangular Enclosure with Participating Media contact site
Very little.
A kind of food apparatus mechanical seal the most according to claim 1, it is characterised in that: described setting-in portion steel wire
(6.11) entirety is connected into medium contact site steel wire (6.24).
A kind of food apparatus mechanical seal the most according to claim 1, it is characterised in that: described seal receptacle (1) position
Being also equipped with atmosphere end stationary ring (7) in the end of atmosphere end, this atmosphere end stationary ring (7) is big be packed on equipment pump shaft (2)
Gas end rotating ring (8) forms atmosphere end end face seal and coordinates.
A kind of food apparatus mechanical seal the most according to claim 4, it is characterised in that: described seal receptacle (1) with
Being provided with sealing ring (9) between atmosphere end stationary ring (7), described seal receptacle (1) is provided with and atmosphere end end face seal die cavity
(10) the high pressure water injection passage (11) being connected, be additionally provided with between described seal receptacle (1) and atmosphere end stationary ring (7) prevent close
The back-up ring (12) that seal (9) is extruded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782055.1A CN106321503B (en) | 2016-08-30 | 2016-08-30 | A kind of food apparatus mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782055.1A CN106321503B (en) | 2016-08-30 | 2016-08-30 | A kind of food apparatus mechanical seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106321503A true CN106321503A (en) | 2017-01-11 |
| CN106321503B CN106321503B (en) | 2019-05-17 |
Family
ID=57788601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610782055.1A Active CN106321503B (en) | 2016-08-30 | 2016-08-30 | A kind of food apparatus mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321503B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020210464A1 (en) * | 2019-04-10 | 2020-10-15 | A.W. Chesterton Company | Method of forming sealing elements for use in mechanical seal |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5605436A (en) * | 1995-05-24 | 1997-02-25 | Apv Fluid Handling Horsens A/S | Centrifugal pump |
| CN201461527U (en) * | 2009-08-21 | 2010-05-12 | 石家庄强大密封有限公司 | Immobile compensation type pump shaft sealing device |
| CN201474952U (en) * | 2009-08-18 | 2010-05-19 | 邬国平 | Food pump mechanical sealing device |
| CN202531481U (en) * | 2012-04-20 | 2012-11-14 | 宁波精科机械密封件制造有限公司 | Mechanical seal device for pipeline pump |
| CN202867841U (en) * | 2012-10-25 | 2013-04-10 | 中冶华天工程技术有限公司 | Combined seal mechanism |
| CN203548317U (en) * | 2013-09-13 | 2014-04-16 | 东山县飞腾机电设备有限公司 | L-shaped sealing ring structure for pump shell of centrifugal pump |
| CN104412014A (en) * | 2012-06-14 | 2015-03-11 | Aes工程有限公司 | Hygienic seal system |
| DE202015102503U1 (en) * | 2014-05-15 | 2015-09-04 | Johnson Electric S.A. | Sealing ring and water pump with sealing ring |
-
2016
- 2016-08-30 CN CN201610782055.1A patent/CN106321503B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5605436A (en) * | 1995-05-24 | 1997-02-25 | Apv Fluid Handling Horsens A/S | Centrifugal pump |
| CN201474952U (en) * | 2009-08-18 | 2010-05-19 | 邬国平 | Food pump mechanical sealing device |
| CN201461527U (en) * | 2009-08-21 | 2010-05-12 | 石家庄强大密封有限公司 | Immobile compensation type pump shaft sealing device |
| CN202531481U (en) * | 2012-04-20 | 2012-11-14 | 宁波精科机械密封件制造有限公司 | Mechanical seal device for pipeline pump |
| CN104412014A (en) * | 2012-06-14 | 2015-03-11 | Aes工程有限公司 | Hygienic seal system |
| CN202867841U (en) * | 2012-10-25 | 2013-04-10 | 中冶华天工程技术有限公司 | Combined seal mechanism |
| CN203548317U (en) * | 2013-09-13 | 2014-04-16 | 东山县飞腾机电设备有限公司 | L-shaped sealing ring structure for pump shell of centrifugal pump |
| DE202015102503U1 (en) * | 2014-05-15 | 2015-09-04 | Johnson Electric S.A. | Sealing ring and water pump with sealing ring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020210464A1 (en) * | 2019-04-10 | 2020-10-15 | A.W. Chesterton Company | Method of forming sealing elements for use in mechanical seal |
| US11835140B2 (en) | 2019-04-10 | 2023-12-05 | A.W. Chesterton Company | Method of forming sealing elements for use in a mechanical seal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106321503B (en) | 2019-05-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 65, Mingke Road, Jiangshan Town, Yinzhou District, Ningbo City, Zhejiang Province, 315191 Patentee after: Ningbo Tiangong Fluid Technology Co.,Ltd. Country or region after: China Address before: No. 18 High Voltage Road, Jiangshan Science and Technology Park, Jiangshan Town, Yinzhou District, Ningbo City, Zhejiang Province, 315191 Patentee before: NINGBO TIANGONG MACHINERY SEALING CO.,LTD. Country or region before: China |
|
| CP03 | Change of name, title or address |