CN102619984A - Mechanical sealing device for high pressure working condition - Google Patents

Mechanical sealing device for high pressure working condition Download PDF

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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
Authority
CN
China
Prior art keywords
ring
compensated
high pressure
end cover
mechanical 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.)
Pending
Application number
CN2012100870532A
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Chinese (zh)
Inventor
郭超
张宝君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DALIAN HUAYANG SEALS Co Ltd
Original Assignee
DALIAN HUAYANG SEALS Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DALIAN HUAYANG SEALS Co Ltd filed Critical DALIAN HUAYANG SEALS Co Ltd
Priority to CN2012100870532A priority Critical patent/CN102619984A/en
Publication of CN102619984A publication Critical patent/CN102619984A/en
Pending legal-status Critical Current

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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

A kind of mechanical seal device that is used for the high pressure operating mode
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.
CN2012100870532A 2012-03-29 2012-03-29 Mechanical sealing device for high pressure working condition Pending CN102619984A (en)

Priority Applications (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

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

Publications (1)

Publication Number Publication Date
CN102619984A true CN102619984A (en) 2012-08-01

Family

ID=46560103

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012100870532A Pending CN102619984A (en) 2012-03-29 2012-03-29 Mechanical sealing device for high pressure working condition

Country Status (1)

Country Link
CN (1) CN102619984A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (10)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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.

COR Change of bibliographic data

Free format text: CORRECT: APPLICANT; FROM: DALIAN HUAYANG GUANGDA SEALING CO., LTD. TO: DALIAN HUAYANG SEALS CO., LTD.

C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120801