CN102619984A - Mechanical sealing device for high pressure working condition - Google Patents
Mechanical sealing device for high pressure working condition Download PDFInfo
- Publication number
- CN102619984A CN102619984A CN2012100870532A CN201210087053A CN102619984A CN 102619984 A CN102619984 A CN 102619984A CN 2012100870532 A CN2012100870532 A CN 2012100870532A CN 201210087053 A CN201210087053 A CN 201210087053A CN 102619984 A CN102619984 A CN 102619984A
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- Prior art keywords
- ring
- compensated
- high pressure
- end cover
- mechanical seal
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Abstract
The invention discloses a mechanical sealing device for a high pressure working condition, which comprises an uncompensated ring, a compensated ring, a compensated ring base, a sealing end cover and a shaft sleeve, wherein the shaft sleeve is arranged on a shaft and penetrates through the sealing end cover, one O-shaped ring is installed between the shaft sleeve and the shaft, one O-shaped ring is installed between the uncompensated ring and the shaft sleeve, one O-shaped ring is installed between the compensated ring and the compensated ring base, the uncompensated ring is connected with the compensated ring, one O-shaped ring and a spring are arranged between the compensated ring base and the sealing end cover, the compensated ring, the compensated ring base and the sealing end cover are connected with an anti-rotating pin, and one O-shaped ring is arranged on the sealing end cover. According to the mechanical sealing device for the high pressure working condition, a friction pair is entirely balanced in force bearing at a high pressure environment, and a reliable transmission and anti-rotating mechanism is adopted so as to prevent the device from being disturbed by the high pressure, thereby a stable and reliable operation can be performed.
Description
Technical field
The present invention relates to the mechanical sealing technology field, relate in particular to a kind of mechanical seal device that is used for the high pressure operating mode.
Background technique
Large electric power plant station, nuclear power station, petroleum natural gas pipeline conveying, large-scale petroleum chemical industry and aerospace industry develop rapidly; The relevant with it conveying equipment for example fluid technique parameter of the oil transport pipeline pump in the recycle pump in thermal power station and the nuclear power station and boiler feed pump, the petrochemical industry etc. is also increasingly high; Wherein a fluid parameter is that hydrodynamic pressure is increasingly high, and this just needs supporting with it mechanical sealing technology also will develop to the high pressure direction.Existing mechanical seal arrangement operating life under the high pressure working condition is very short, has had a strong impact on working efficiency, has increased user cost.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, a kind of mechanical seal device that is used for the high pressure operating mode is provided.
The present invention for realizing the technological scheme that above-mentioned purpose adopted is: a kind of mechanical seal device that is used for the high pressure operating mode, comprise uncompensated ring, compensated loop, compensated ring adaptor, end cover and axle sleeve, and described axle sleeve is contained in axle and goes up and pass end cover; Axle sleeve and between centers are equipped with O shape circle; Described uncompensated ring is contained on the axle sleeve, and uncompensated ring and shaft room are equipped with O shape circle, and described compensated loop is contained on the compensated ring adaptor; O shape circle is housed between compensated loop and compensated ring adaptor; Described uncompensated ring is connected with compensated loop, and described compensated ring adaptor is contained on the end cover, and O shape circle and spring are housed between compensated ring adaptor and end cover; Be connected with stop pin on described compensated loop, compensated ring adaptor and the end cover, O shape circle is housed on the described end cover.
Between described O shape circle and uncompensated ring, compensated loop pad is housed.
Described pad is nonmetallic material.
Described uncompensated ring and shaft room adopt the nest kind of drive.
Described compensated loop is contained on the compensated ring adaptor through screw.
Described uncompensated ring is identical with compensated loop sealing part physical dimension.
Between described end cover and O shape circle support ring is housed.
The anti-rotation guide is housed on the described stop pin.
Described anti-rotation guide is nonmetallic material.
The whole stress balance of the present invention's friction pair in hyperbaric environment has adopted reliable transmission and rotation-preventing mechanism, can not receive high pressure and disturb, thereby carry out reliable and stable running.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Wherein: 1, O shape circle 2, pad 3, uncompensated ring 4, screw 5, compensated loop 6, compensated ring adaptor 7, paralysis 8, O shape circle 9, support ring 10, end cover 11, stop pin 12, anti-rotation guide 13, O shape circle 14, axle sleeve 15, O shape circle.
Embodiment
As shown in Figure 1, a kind of mechanical seal device that is used for the high pressure operating mode comprises uncompensated ring 3, compensated loop 5, compensated ring adaptor 6, end cover 10 and axle sleeve 14; Described axle sleeve 14 is contained in axle and goes up and pass end cover 10, and axle sleeve 14 is equipped with O shape circle 15 with between centers, and described uncompensated ring 3 is contained on the axle sleeve 14; Described uncompensated ring 3 and 14 employing nests of axle sleeve kind of drive, 14 on uncompensated ring 3 and axle sleeve are equipped with O shape circle 1, and described compensated loop 5 is contained on the compensated ring adaptor 6 through screw 4; Compensated loop 5 adopts with compensated ring adaptor 6 and divides body structure, reduces metalwork to the influence of friction pair in hyperbaric environment, and adopts screw 4 to prevent that compensated loop 5 from coming off; 6 of compensated loop 5 and compensated ring adaptors are equipped with O shape circle 1, and described uncompensated ring 3 is connected with compensated loop 5, and described uncompensated ring 3 is identical with compensated loop 5 sealing part physical dimensions; On the whole fluid directly acts on this integral body to friction pair as one in hyperbaric environment, and power is balance just in time; Described compensated ring adaptor 6 is contained on the end cover 10, and 10 of compensated ring adaptor 6 and end covers are equipped with O shape circle 8 and spring 7, and described end cover 10 and 8 on O shape circle are equipped with support ring 9; Be connected with stop pin 11 on described compensated loop 5, compensated ring adaptor 6 and the end cover 10, on the described stop pin 11 anti-rotation guide 12 be housed, described anti-rotation guide 12 is nonmetallic material; Can prevent that catching phenomenon from appearring in stop pin 11 in hyperbaric environment; Influence the floatability of mechanical seal device, O shape circle 13 is housed on the described end cover 10, described O shape circle 1 and uncompensated ring 3,5 of compensated loops are equipped with pad 2; Described pad 2 is the high tenacity nonmetallic material, prevents O shape circle 1 release under high pressure.
Claims (9)
1. mechanical seal device that is used for the high pressure operating mode; It is characterized in that: comprise uncompensated ring (3), compensated loop (5), compensated ring adaptor (6), end cover (10) and axle sleeve (14); Described axle sleeve (14) is contained in axle and goes up and pass end cover (10), and axle sleeve (14) is equipped with O shape circle (15) with between centers, and described uncompensated ring (3) is contained on the axle sleeve (14); O shape circle (1) is housed between uncompensated ring (3) and axle sleeve (14); Described compensated loop (5) is contained on the compensated ring adaptor (6), and O shape circle (1) is housed between compensated loop (5) and compensated ring adaptor (6), and described uncompensated ring (3) is connected with compensated loop (5); Described compensated ring adaptor (6) is contained on the end cover (10); O shape circle (8) and spring (7) are housed between compensated ring adaptor (6) and end cover (10), are connected with stop pin (11) on described compensated loop (5), compensated ring adaptor (6) and the end cover (10), O shape circle (13) is housed on the described end cover (10).
2. the mechanical seal device that is used for the high pressure operating mode as claimed in claim 1 is characterized in that: between described O shape circle (1) and uncompensated ring (3), compensated loop (5) pad (2) is housed.
3. the mechanical seal device that is used for the high pressure operating mode as claimed in claim 2 is characterized in that: described pad (2) is nonmetallic material.
4. the mechanical seal device that is used for the high pressure operating mode as claimed in claim 1 is characterized in that: adopt the nest kind of drive between described uncompensated ring (3) and axle sleeve (14).
5. the mechanical seal device that is used for the high pressure operating mode as claimed in claim 1 is characterized in that: described compensated loop (5) is contained on the compensated ring adaptor (6) through screw (4).
6. the mechanical seal device that is used for the high pressure operating mode as claimed in claim 1 is characterized in that: described uncompensated ring (3) is identical with compensated loop (5) sealing part physical dimension.
7. the mechanical seal device that is used for the high pressure operating mode as claimed in claim 1 is characterized in that: between described end cover (10) and O shape circle (8) support ring (9) is housed.
8. the mechanical seal device that is used for the high pressure operating mode as claimed in claim 1 is characterized in that: anti-rotation guide (12) is housed on the described stop pin (11).
9. the mechanical seal device that is used for the high pressure operating mode as claimed in claim 8 is characterized in that: described anti-rotation guide (12) is nonmetallic material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012100870532A CN102619984A (en) | 2012-03-29 | 2012-03-29 | Mechanical sealing device for high pressure working condition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012100870532A CN102619984A (en) | 2012-03-29 | 2012-03-29 | Mechanical sealing device for high pressure working condition |
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CN102619984A true CN102619984A (en) | 2012-08-01 |
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Family Applications (1)
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CN2012100870532A Pending CN102619984A (en) | 2012-03-29 | 2012-03-29 | Mechanical sealing device for high pressure working condition |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106323074A (en) * | 2015-06-18 | 2017-01-11 | 中石化洛阳工程有限公司 | Device used for adjusting heat expansion difference of inner sleeve heat exchanger |
Citations (10)
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---|---|---|---|---|
DE4117138A1 (en) * | 1991-05-25 | 1992-11-26 | Blohm Voss Ag | Sealing system for ship's propeller shaft - has emergency sealing system which operates if main system fails |
CN201129315Y (en) * | 2007-12-10 | 2008-10-08 | 大庆市顺达石油设备制造有限公司 | Ultra-high pressure anti-scaling mechanical sealing device |
CN101463903A (en) * | 2009-01-12 | 2009-06-24 | 浙江大学 | High-pressure controllable slide valve type mechanical combination sealing system |
CN101493145A (en) * | 2009-03-03 | 2009-07-29 | 丹东克隆集团有限责任公司 | High pressure resistant spring type mechanical sealing device |
CN201496250U (en) * | 2009-08-26 | 2010-06-02 | 邬国平 | Mechanical sealing device of high-temperature pump |
CN201554686U (en) * | 2009-10-31 | 2010-08-18 | 邬国平 | Mechanical sealing device for marine pump |
EP2246597A1 (en) * | 2008-02-25 | 2010-11-03 | Eagle Industry Co., Ltd. | Shaft sealing device |
CN201795042U (en) * | 2010-08-04 | 2011-04-13 | 安徽亚兰密封件有限公司 | Mechanical sealing device with positioning seat |
CN201794774U (en) * | 2010-08-03 | 2011-04-13 | 宁波伏尔肯机械密封件制造有限公司 | Mechanical sealing device for hot water pump |
CN202612641U (en) * | 2012-03-29 | 2012-12-19 | 大连华阳光大密封有限公司 | Mechanical sealing device for high-pressure working condition |
-
2012
- 2012-03-29 CN CN2012100870532A patent/CN102619984A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4117138A1 (en) * | 1991-05-25 | 1992-11-26 | Blohm Voss Ag | Sealing system for ship's propeller shaft - has emergency sealing system which operates if main system fails |
CN201129315Y (en) * | 2007-12-10 | 2008-10-08 | 大庆市顺达石油设备制造有限公司 | Ultra-high pressure anti-scaling mechanical sealing device |
EP2246597A1 (en) * | 2008-02-25 | 2010-11-03 | Eagle Industry Co., Ltd. | Shaft sealing device |
CN101463903A (en) * | 2009-01-12 | 2009-06-24 | 浙江大学 | High-pressure controllable slide valve type mechanical combination sealing system |
CN101493145A (en) * | 2009-03-03 | 2009-07-29 | 丹东克隆集团有限责任公司 | High pressure resistant spring type mechanical sealing device |
CN201496250U (en) * | 2009-08-26 | 2010-06-02 | 邬国平 | Mechanical sealing device of high-temperature pump |
CN201554686U (en) * | 2009-10-31 | 2010-08-18 | 邬国平 | Mechanical sealing device for marine pump |
CN201794774U (en) * | 2010-08-03 | 2011-04-13 | 宁波伏尔肯机械密封件制造有限公司 | Mechanical sealing device for hot water pump |
CN201795042U (en) * | 2010-08-04 | 2011-04-13 | 安徽亚兰密封件有限公司 | Mechanical sealing device with positioning seat |
CN202612641U (en) * | 2012-03-29 | 2012-12-19 | 大连华阳光大密封有限公司 | Mechanical sealing device for high-pressure working condition |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106323074A (en) * | 2015-06-18 | 2017-01-11 | 中石化洛阳工程有限公司 | Device used for adjusting heat expansion difference of inner sleeve heat exchanger |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: 116036, 25, Xu Xu Road, Dalian, Ganjingzi, Liaoning Applicant after: DALIAN HUAYANG SEALS CO., LTD. Address before: 116036, 25, Xu Xu Road, Dalian, Ganjingzi, Liaoning Applicant before: Dalian Huayang Seals Co., Ltd. |
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COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: DALIAN HUAYANG GUANGDA SEALING CO., LTD. TO: DALIAN HUAYANG SEALS CO., LTD. |
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C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120801 |