CN105114354A - Mechanical seal for desulphurization pump - Google Patents
Mechanical seal for desulphurization pump Download PDFInfo
- Publication number
- CN105114354A CN105114354A CN201510523709.4A CN201510523709A CN105114354A CN 105114354 A CN105114354 A CN 105114354A CN 201510523709 A CN201510523709 A CN 201510523709A CN 105114354 A CN105114354 A CN 105114354A
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- Prior art keywords
- ring
- gland
- axle sleeve
- mechanical seal
- annular
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- Mechanical Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a mechanical seal for a desulphurization pump. The mechanical seal comprises a movable ring assembly and a static ring assembly. The movable ring assembly comprises a shaft sleeve, a movable ring and a transmission pin. The static ring assembly comprises a gland, a static ring seat, a static ring, an anti-rotation pin, a push ring and a spring. A shaft is sleeved with the gland. The end, facing the movable ring assembly, of the gland is recessed to form an annular step part. The shaft is sleeved with the static ring seat. The right end of the static ring seat is installed on the step part in a matched mode. An annular installation cavity is recessed in the inner side of the step part of the gland. The static ring, the anti-rotation pin, the push ring and the spring are arranged in the installation cavity. An annular sealing face is formed between the static ring and the movable ring. The push ring is tightly attached to the right end face of the static ring. An anti-rotation pin hole is formed in the bottom of the installation cavity. One end of the anti-rotation pin is connected to the push ring and the other end of the anti-rotation pin is located in the anti-rotation pin hole. The spring is located between the push ring and the bottom of the installation cavity. The mechanical seal for the desulphurization pump has the following advantages that energy consumption is reduced, leakage is decreased, zero leakage is reached, maintenance cost is reduced, and service life is greatly prolonged.
Description
Technical field
The application relates to a kind of desulfur pump, particularly relates to a kind of desulfur pump mechanical seal.
Background technique
Desulfur pump is a kind of pump that can adapt to various different working condition, as transport acid, alkaline clear liquid or slip; The various corrosive ore pulp of smelting industry; All kinds of diluted acid of sulfuric acid industry; All kinds of sewage of environmental protection industry (epi) etc.This pump is not only corrosion-resistant but also wear-resistant, and using scope is very extensive.There is following features: 1) powerful wear resistance; 2) powerful impact resistance; 3) excellent corrosion resistance; 4) noise free; 5) safe and reliable; 6) friction factor is low; 7) resistance to bond is good.
Traditional desulfur pump is when sealing axle; normally elastic seal ring is set between axle and axle sleeve; in use for some time; due to the friction between axle and seal ring; space between axle and seal ring is increased, and sealing effect weakens, and therefore needs regularly to shut down to change seal ring; acquisition adds plug sealing ring, and maintenance cost is high.
Summary of the invention
The object of the present invention is to provide a kind of desulfur pump mechanical seal, to overcome deficiency of the prior art.
For achieving the above object, the invention provides following technological scheme:
The embodiment of the present application discloses a kind of desulfur pump mechanical seal, comprising:
Moving ring assembly, comprise axle sleeve, rotating ring and driving pin, described axle sleeve is sheathed on axle, the recessed groove being formed with annular in its one end towards static components, the left end of described rotating ring is embedded in described groove, and described driving pin is positioned at groove, and its left end is connected to described axle sleeve, the end of described rotating ring is formed with transmission pin-and-hole, and the right-hand member of described driving pin is positioned at transmission pin-and-hole;
Static components, comprise gland, stationary seat, stationary ring, stop pin, throw-out collar and spring, described gland is sheathed on the outside of axle, the recessed stepped part being formed with an annular in its one end towards moving ring assembly, described stationary seat is sheathed on the outside of axle, the right-hand member cooperation of described stationary seat is installed in described stepped part, described gland is arranged with the installation cavity of an annular in the inner side of stepped part, described stationary ring, stop pin, throw-out collar and spring are arranged in described installation cavity, the sealing surface of an annular is formed between described stationary ring and rotating ring, described throw-out collar is close on the right side of stationary ring, the bottom of described installation cavity is formed with anti-rotation pin-and-hole, one end of described stop pin is connected to throw-out collar, the other end is positioned at described anti-rotation pin-and-hole, described spring is between described throw-out collar and the bottom of installing cavity.
Preferably, in above-mentioned desulfur pump mechanical seal, between described rotating ring and the inwall of groove, be provided with two rotating ring O-ring seals.
Preferably, in above-mentioned desulfur pump mechanical seal, be formed with gland O shape between the outer surface of described stationary seat and gland and enclose, be formed with stationary ring O shape between the inner surface of described stationary seat and stationary ring and enclose.
Preferably, in above-mentioned desulfur pump mechanical seal, described gland deviates from the recessed stepped part being formed with an annular in one end of described moving ring assembly, coordinate in this stepped part and be provided with tetrafluoro cover, the outside and sealing with the outer side wall of axle sleeve that this tetrafluoro cover is sheathed on described axle sleeve contacts, described tetrafluoro cover is fixed on gland by hexagon socket cap head screw, the end face of described gland is fixed with positioning block by hexagon socket cap head screw, the end face that described positioning block and tetrafluoro overlap is fitted, and the outer side surface of described axle sleeve is recessed is formed with the annular groove holding positioning block edge.
Preferably, in above-mentioned desulfur pump mechanical seal, be provided with two axle sleeve O shapes between described axle sleeve and axle and enclose.
Preferably, in above-mentioned desulfur pump mechanical seal, between described stationary ring and axle sleeve, water proof cover is also provided with.
Preferably, in above-mentioned desulfur pump mechanical seal, the end of described axle sleeve is also arranged with fastening ring, the outside of described fastening ring is arranged with grommet and hold-down ring, fixed by hex head bolt between described grommet and hold-down ring, described fastening ring has leg-of-mutton surface, described grommet and hold-down ring lay respectively at two of triangular surface domatic on.
Compared with prior art, the invention has the advantages that:
1, energy consumption is reduced;
2, reduce leakage, reach zero leakage;
3, reduce maintenance cost, greatly promote working life.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the sectional view of desulfur pump mechanical seal in the specific embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be described in detail the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, belongs to the scope of protection of the invention.
Shown in ginseng Fig. 1, desulfur pump mechanical seal comprises moving ring assembly and static components.
Moving ring assembly comprises axle sleeve 23, rotating ring 22 and driving pin 2, axle sleeve 23 is sheathed on axle, the recessed groove being formed with annular in its one end towards static components, the left end of rotating ring 22 is embedded in groove, driving pin 2 is positioned at groove, its left end is connected to axle sleeve 23, and the end of rotating ring 22 is formed with transmission pin-and-hole, and the right-hand member of driving pin 2 is positioned at transmission pin-and-hole.
Two rotating ring O-ring seals 3 are provided with between rotating ring 22 and the inwall of groove.
Static components comprises gland 16, stationary seat 5, stationary ring 21, stop pin 6, throw-out collar 18 and spring 17.Gland 16 is sheathed on the outside of axle, the recessed stepped part being formed with an annular in its one end towards moving ring assembly, and stationary seat 5 is sheathed on the outside of axle, and the right-hand member cooperation of stationary seat 5 is installed in stepped part.Gland 16 is arranged with the installation cavity of an annular in the inner side of stepped part, stationary ring 21, stop pin 6, throw-out collar 18 and spring 17 arrange and install in cavity, form the sealing surface of an annular between stationary ring 21 and rotating ring 22.Throw-out collar 18 is close on the right side of stationary ring 21; The bottom of installing cavity is formed with anti-rotation pin-and-hole further, and one end of stop pin 6 is connected to throw-out collar 18, and the other end is positioned at anti-rotation pin-and-hole; Spring 17 is between throw-out collar 18 and the bottom of installing cavity.
Be formed with gland O shape between the outer surface of stationary seat 5 and gland 16 and enclose 20.Be formed with stationary ring O shape between the inner surface of stationary seat 5 and stationary ring 21 and enclose 4.
Fixed by hexagon socket cap head screw between stationary seat 5 and gland 16.
Gland 16 deviates from the recessed stepped part being formed with an annular in one end of moving ring assembly, coordinate in this stepped part and be provided with tetrafluoro cover 15, the outside and seal with the outer side wall of axle sleeve 23 that this tetrafluoro cover 15 is sheathed on axle sleeve 23 contacts, and tetrafluoro is overlapped 15 and is fixed on gland 16 by hexagon socket cap head screw 8.The end face of gland 16 is fixed with positioning block 14 by hexagon socket cap head screw 13, and the end face that positioning block 14 and tetrafluoro overlap is fitted, and the outer side surface of axle sleeve 23 is recessed is formed with the annular groove holding positioning block 14 edge.
Be provided with two axle sleeve O shapes between axle sleeve 23 and axle and enclose 1,24.
Water proof cover 19 is also provided with between stationary ring 21 and axle sleeve 23.
The end of axle sleeve 23 is also arranged with fastening ring 12, and the outside of fastening ring 12 is arranged with grommet 9 and hold-down ring 11, is fixed between grommet 9 and hold-down ring 11 by hex head bolt 10.Fastening ring 12 has leg-of-mutton surface, grommet 9 and hold-down ring 11 lay respectively at two of triangular surface domatic on.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or control panel, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the embodiment of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.
Claims (7)
1. a desulfur pump mechanical seal, is characterized in that, comprising:
Moving ring assembly, comprise axle sleeve, rotating ring and driving pin, described axle sleeve is sheathed on axle, the recessed groove being formed with annular in its one end towards static components, the left end of described rotating ring is embedded in described groove, and described driving pin is positioned at groove, and its left end is connected to described axle sleeve, the end of described rotating ring is formed with transmission pin-and-hole, and the right-hand member of described driving pin is positioned at transmission pin-and-hole;
Static components, comprise gland, stationary seat, stationary ring, stop pin, throw-out collar and spring, described gland is sheathed on the outside of axle, the recessed stepped part being formed with an annular in its one end towards moving ring assembly, described stationary seat is sheathed on the outside of axle, the right-hand member cooperation of described stationary seat is installed in described stepped part, described gland is arranged with the installation cavity of an annular in the inner side of stepped part, described stationary ring, stop pin, throw-out collar and spring are arranged in described installation cavity, the sealing surface of an annular is formed between described stationary ring and rotating ring, described throw-out collar is close on the right side of stationary ring, the bottom of described installation cavity is formed with anti-rotation pin-and-hole, one end of described stop pin is connected to throw-out collar, the other end is positioned at described anti-rotation pin-and-hole, described spring is between described throw-out collar and the bottom of installing cavity.
2. desulfur pump mechanical seal according to claim 1, is characterized in that: be provided with two rotating ring O-ring seals between described rotating ring and the inwall of groove.
3. desulfur pump mechanical seal according to claim 1, is characterized in that: be formed with gland O shape between the outer surface of described stationary seat and gland and enclose, and is formed with stationary ring O shape and encloses between the inner surface of described stationary seat and stationary ring.
4. desulfur pump mechanical seal according to claim 1, it is characterized in that: described gland deviates from the recessed stepped part being formed with an annular in one end of described moving ring assembly, coordinate in this stepped part and be provided with tetrafluoro cover, the outside and sealing with the outer side wall of axle sleeve that this tetrafluoro cover is sheathed on described axle sleeve contacts, described tetrafluoro cover is fixed on gland by hexagon socket cap head screw, the end face of described gland is fixed with positioning block by hexagon socket cap head screw, the end face that described positioning block and tetrafluoro overlap is fitted, the outer side surface of described axle sleeve is recessed is formed with the annular groove holding positioning block edge.
5. desulfur pump mechanical seal according to claim 1, is characterized in that: be provided with two axle sleeve O shapes between described axle sleeve and axle and enclose.
6. desulfur pump mechanical seal according to claim 1, is characterized in that: be also provided with water proof cover between described stationary ring and axle sleeve.
7. desulfur pump mechanical seal according to claim 1, it is characterized in that: the end of described axle sleeve is also arranged with fastening ring, the outside of described fastening ring is arranged with grommet and hold-down ring, fixed by hex head bolt between described grommet and hold-down ring, described fastening ring has leg-of-mutton surface, described grommet and hold-down ring lay respectively at two of triangular surface domatic on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510523709.4A CN105114354B (en) | 2015-08-25 | 2015-08-25 | Desulfurization pump mechanical sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510523709.4A CN105114354B (en) | 2015-08-25 | 2015-08-25 | Desulfurization pump mechanical sealing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105114354A true CN105114354A (en) | 2015-12-02 |
| CN105114354B CN105114354B (en) | 2017-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510523709.4A Active CN105114354B (en) | 2015-08-25 | 2015-08-25 | Desulfurization pump mechanical sealing |
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| Country | Link |
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| CN (1) | CN105114354B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396561A (en) * | 2020-04-01 | 2020-07-10 | 安徽亚兰密封件有限公司 | Mechanical sealing device for powder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01120487A (en) * | 1983-03-01 | 1989-05-12 | Borg Warner Corp | Mechanical seal assembly |
| CN2692387Y (en) * | 2004-03-05 | 2005-04-13 | 胡滨 | Desulfur pump packaging type mechanical sealing element |
| CN201225316Y (en) * | 2008-07-18 | 2009-04-22 | 李学庆 | Assembling type mechanical seal apparatus for multi-point flushing desulfurization device |
| CN201412386Y (en) * | 2009-06-30 | 2010-02-24 | 蒋敏 | Desulfurization peripheral pump mechanical seal |
| CN203604243U (en) * | 2013-11-08 | 2014-05-21 | 江苏大唐国际吕四港发电有限责任公司 | Anhydrous mechanical sealing structure for desulfuration slurry circulating pump |
| CN204921458U (en) * | 2015-08-25 | 2015-12-30 | 张家港市三利密封合金材料有限公司 | Desulfurization pump mechanical seal |
-
2015
- 2015-08-25 CN CN201510523709.4A patent/CN105114354B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01120487A (en) * | 1983-03-01 | 1989-05-12 | Borg Warner Corp | Mechanical seal assembly |
| CN2692387Y (en) * | 2004-03-05 | 2005-04-13 | 胡滨 | Desulfur pump packaging type mechanical sealing element |
| CN201225316Y (en) * | 2008-07-18 | 2009-04-22 | 李学庆 | Assembling type mechanical seal apparatus for multi-point flushing desulfurization device |
| CN201412386Y (en) * | 2009-06-30 | 2010-02-24 | 蒋敏 | Desulfurization peripheral pump mechanical seal |
| CN203604243U (en) * | 2013-11-08 | 2014-05-21 | 江苏大唐国际吕四港发电有限责任公司 | Anhydrous mechanical sealing structure for desulfuration slurry circulating pump |
| CN204921458U (en) * | 2015-08-25 | 2015-12-30 | 张家港市三利密封合金材料有限公司 | Desulfurization pump mechanical seal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396561A (en) * | 2020-04-01 | 2020-07-10 | 安徽亚兰密封件有限公司 | Mechanical sealing device for powder |
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| Publication number | Publication date |
|---|---|
| CN105114354B (en) | 2017-09-12 |
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