CN105546119A - High-temperature and high-pressure sliding sealing structure for steam catapult device - Google Patents

High-temperature and high-pressure sliding sealing structure for steam catapult device Download PDF

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Publication number
CN105546119A
CN105546119A CN201610073108.2A CN201610073108A CN105546119A CN 105546119 A CN105546119 A CN 105546119A CN 201610073108 A CN201610073108 A CN 201610073108A CN 105546119 A CN105546119 A CN 105546119A
Authority
CN
China
Prior art keywords
steam ejection
ring seal
seal
ring
steel cage
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
CN201610073108.2A
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Chinese (zh)
Inventor
高卫华
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.)
Tianzi Environment Protection Investment Holdings Co Ltd
Original Assignee
Tianzi Environment Protection Investment Holdings 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 Tianzi Environment Protection Investment Holdings Co Ltd filed Critical Tianzi Environment Protection Investment Holdings Co Ltd
Priority to CN201610073108.2A priority Critical patent/CN105546119A/en
Publication of CN105546119A publication Critical patent/CN105546119A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/18Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • F16J15/20Packing materials therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • B09B3/45Steam treatment, e.g. supercritical water gasification or oxidation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/18Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • F16J15/24Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings with radially or tangentially compressed packing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Sealing Devices (AREA)

Abstract

The invention relates to a high-temperature and high-pressure sliding sealing structure for a steam catapult device. A steam catapult steel cage is sleeved with a steam catapult steel barrel, a first seal rubber ring and a second seal rubber ring are sleeved with a groove which is located between the steam catapult steel cage and the steam catapult steel barrel and formed in the outer wall of the steam catapult steel cage, a first wearing ring is fixedly installed on the portion, outside the first seal rubber ring, of the outer wall of the steam catapult steel cage, and a second wearing ring is fixedly installed on the portion, outside the second seal rubber ring, of the outer wall of the steam catapult steel cage; the first seal rubber ring and the second seal rubber ring each comprises a seal rubber ring body, wherein an inverted-U-shaped spring is embedded into the seal rubber ring body, a seal contact end is formed on the portion, on one side of the inverted-U-shaped spring, of the seal rubber ring body, an upper slope surface is formed on one side of the seal contact end, a lower slope surface is formed on the other side of the seal contact end, and the seal contact end closely makes contact with the steam catapult steel barrel. The high-temperature and high-pressure sliding sealing structure for the steam catapult device is simple in design, scientific, reasonable, good in seal effect and long in service life, and long-term stable operation of the overall device is effectively guaranteed.

Description

For the slipper seal structure of the High Temperature High Pressure of steam ejection device
Technical field
The invention belongs to slipper seal construction applications, especially a kind of slipper seal structure of the High Temperature High Pressure for steam ejection device.
Background technique
Conventional garbage processing method mainly comprises sanitary landfills, compost fermentation and burning electricity generation.All there is some problems in these three kinds of waste disposal methods.Such as: produce secondary pollution and long processing period etc.The wherein a large amount of land occupation of sanitary landfills, the foul smell of generation is serious, contaminated air, leachate contamination soil and groundwater resource, breed bacteria virus, and the overall resolving time reaches a century.Compost fermentation contaminated air, produce the percolate of high concentration, composting cycle is 30-45 days, and product organic content is unstable, and in composting process, nutrient is discharged degraded in a large number, and effective ingredient is low, kills not thorough, easily cause secondary pollution to the pathogen in rubbish.Burning electricity generation front-end processing has smell pollution, and burning phase produces extremely toxic substance bioxin, and containing a large amount of heavy metals in incineration residue, the particulate matter of generation affects air quality, and treatment cycle is generally 3-5 days.A kind of steam explosive-crushing technology that our company proposes is applied in field of garbage disposal, rubbish can carried out innocuity treatment instantaneously, but processing procedure is high temperature 230 DEG C, carry out under high pressure 2.5MPa, need ensure the slipper seal of steel cage body upper side and cylinder barrel, existing sealing configuration and design cannot meet the demands.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of slipper seal structure of the High Temperature High Pressure for steam ejection device, this slipper seal structural design is simple, scientific and reasonable, good sealing effect, long service life, the effective long-term stability operation ensureing integral device.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind of slipper seal structure of the High Temperature High Pressure for steam ejection device, it comprises steam ejection steel cage, steam ejection steel cylinder, first O-ring seal, second O-ring seal, first wearing ring and the second wearing ring, steam ejection steel cage is sleeved in steam ejection steel cylinder, first O-ring seal and the second O-ring seal are sleeved in the groove of the steam ejection steel cage outer wall between steam ejection steel cage and steam ejection steel cylinder, steam ejection steel cage outer wall outside the first O-ring seal is fixedly mounted with the first wearing ring, steam ejection steel cage outer wall outside the second O-ring seal is fixedly mounted with the second wearing ring, this first O-ring seal and the second O-ring seal include O-ring seal body, setting-in one inverted U spring in O-ring seal body, the O-ring seal body of inverted U spring side integrally makes sealing contact jaw, be shaped with domatic opposite side in sealing contact jaw side and be shaped with Caused by Sloping Surfaces, sealing contact jaw and steam ejection steel cylinder close contact.
And, described inverted U spring opposite side O-ring seal body is shaped with extruding inclined-plane.
And described sealing contact jaw is arranged on the middle part of corresponding inverted U spring side.
And described O-ring seal body is processed by teflon and carbon fiber.
And the material of described inverted U spring is AISI301 stainless steel.
Advantage of the present invention and beneficial effect are:
This is used for the slipper seal structure of the High Temperature High Pressure of steam ejection device, it comprises steam ejection steel cage, steam ejection steel cylinder, first O-ring seal, second O-ring seal, first wearing ring and the second wearing ring, steam ejection steel cage is sleeved in steam ejection steel cylinder, first O-ring seal and the second O-ring seal are sleeved in the groove of the steam ejection steel cage outer wall between steam ejection steel cage and steam ejection steel cylinder, steam ejection steel cage outer wall outside the first O-ring seal is fixedly mounted with the first wearing ring, steam ejection steel cage outer wall outside the second O-ring seal is fixedly mounted with the second wearing ring, this first O-ring seal and the second O-ring seal include O-ring seal body, setting-in one inverted U spring in O-ring seal body, the O-ring seal body of inverted U spring side integrally makes sealing contact jaw, be shaped with domatic opposite side in sealing contact jaw side and be shaped with Caused by Sloping Surfaces, sealing contact jaw and steam ejection steel cylinder close contact, simplicity of design of the present invention, scientific and reasonable, good sealing effect, long service life, the long-term stability of effective guarantee integral device is run.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the present invention first O-ring seal.
Embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A kind of slipper seal structure of the High Temperature High Pressure for steam ejection device, it comprises steam ejection steel cage 1, steam ejection steel cylinder 5, first O-ring seal 3, second O-ring seal 4, first wearing ring 2 and the second wearing ring 6, steam ejection steel cage is sleeved in steam ejection steel cylinder, first O-ring seal and the second O-ring seal are sleeved in the groove of the steam ejection steel cage outer wall between steam ejection steel cage and steam ejection steel cylinder, steam ejection steel cage outer wall outside the first O-ring seal is fixedly mounted with the first wearing ring, steam ejection steel cage outer wall outside the second O-ring seal is fixedly mounted with the second wearing ring, this first O-ring seal and the second O-ring seal include O-ring seal body 7, setting-in one inverted U spring 8 in O-ring seal body, the O-ring seal body of inverted U spring side is integrally made sealing contact jaw 10, be shaped with domatic 9 opposite sides in sealing contact jaw side and be shaped with Caused by Sloping Surfaces 11, sealing contact jaw and steam ejection steel cylinder close contact, described inverted U spring opposite side O-ring seal body is shaped with extruding inclined-plane 12, sealing contact jaw is arranged on the middle part of corresponding inverted U spring side.O-ring seal body is processed by teflon and carbon fiber, and can reach the heat resistance demand of system, compressed shape diminishes.The compactness of teflon own is high, can solve High Temperature High Pressure bubble and to expand the destruction of causing, and have good frictional behavior and wear resistance, all have good sealing effect in Static and dynamic process.Sealing the margin adopts less end contact, and play and reduce friction, the effect increased the service life, the material of inverted U spring is AISI301 stainless steel, and it has excellent ductility, wear resistance and fatigue resistance.
The load required for low pressure lower seal is provided by inverted U spring when the present invention works, strengthened by inverted U spring opening after working pressure and temperature raise and further improve sealing load, make sealing contact jaw and steam ejection cylinder barrel close contact, effectively realize sealing.Simultaneously, when system works is pressurizeed, second is used for the upper domatic and Caused by Sloping Surfaces of slipper seal structure of the High Temperature High Pressure of steam ejection device and first are subject to high pressure steam Vertical direction squeezing action for the Caused by Sloping Surfaces of the slipper seal structure of the High Temperature High Pressure of steam ejection device, make the extension that sealing material occurs to a certain degree in the horizontal direction, seal face contacts more tight with cylinder barrel, further enhanced leaktightness effect.Upper and lower two circle wearing rings, can imbalance in balance exercise process stressed, not only play good leading role, and the effective working life extending sealing material, black box adopts double sealing, effectively raises sealing effect, extends the working life of sealing system.

Claims (5)

1. the slipper seal structure for the High Temperature High Pressure of steam ejection device, it is characterized in that: comprise steam ejection steel cage, steam ejection steel cylinder, first O-ring seal, second O-ring seal, first wearing ring and the second wearing ring, steam ejection steel cage is sleeved in steam ejection steel cylinder, first O-ring seal and the second O-ring seal are sleeved in the groove of the steam ejection steel cage outer wall between steam ejection steel cage and steam ejection steel cylinder, steam ejection steel cage outer wall outside the first O-ring seal is fixedly mounted with the first wearing ring, steam ejection steel cage outer wall outside the second O-ring seal is fixedly mounted with the second wearing ring, this first O-ring seal and the second O-ring seal include O-ring seal body, setting-in one inverted U spring in O-ring seal body, the O-ring seal body of inverted U spring side integrally makes sealing contact jaw, be shaped with domatic opposite side in sealing contact jaw side and be shaped with Caused by Sloping Surfaces, sealing contact jaw and steam ejection steel cylinder close contact.
2. the slipper seal structure of the High Temperature High Pressure for steam ejection device according to claim 1, is characterized in that: on described inverted U spring opposite side O-ring seal body, be shaped with extruding inclined-plane.
3. the slipper seal structure of the High Temperature High Pressure for steam ejection device according to claim 1, is characterized in that: described sealing contact jaw is arranged on the middle part of corresponding inverted U spring side.
4. the slipper seal structure of the High Temperature High Pressure for steam ejection device according to claim 1, is characterized in that: described O-ring seal body is processed by teflon and carbon fiber.
5. the slipper seal structure of the High Temperature High Pressure for steam ejection device according to claim 1, is characterized in that: the material of described inverted U spring is AISI301 stainless steel.
CN201610073108.2A 2016-02-02 2016-02-02 High-temperature and high-pressure sliding sealing structure for steam catapult device Pending CN105546119A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610073108.2A CN105546119A (en) 2016-02-02 2016-02-02 High-temperature and high-pressure sliding sealing structure for steam catapult device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610073108.2A CN105546119A (en) 2016-02-02 2016-02-02 High-temperature and high-pressure sliding sealing structure for steam catapult device

Publications (1)

Publication Number Publication Date
CN105546119A true CN105546119A (en) 2016-05-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610073108.2A Pending CN105546119A (en) 2016-02-02 2016-02-02 High-temperature and high-pressure sliding sealing structure for steam catapult device

Country Status (1)

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85200963U (en) * 1985-04-01 1986-02-05 第二汽车制造厂 Incision type stickiness rotary shaft oil-tight
US5730444A (en) * 1996-03-08 1998-03-24 Skf Usa Inc. Seal with embedded garter spring
CN1294664A (en) * 1999-02-18 2001-05-09 萱场工业株式会社 Seal structure
CN101184940A (en) * 2005-05-27 2008-05-21 Nok株式会社 Lip type seal
CN101317029A (en) * 2005-12-08 2008-12-03 Nok株式会社 Lip type seal
DE102008058087A1 (en) * 2008-11-19 2010-05-20 Sew-Eurodrive Gmbh & Co. Kg Housing and sealing element
CN101900208A (en) * 2010-07-06 2010-12-01 太原煤气化股份有限公司焦化厂 Frame seal of dynamic and static ring type
CN102725568A (en) * 2010-01-26 2012-10-10 Nok株式会社 Sealing device, and pump device using same
CN103433269A (en) * 2013-08-27 2013-12-11 天紫环保投资控股有限公司 Pressure-maintaining ejection structure for steam ejection type organic matter garbage disposer
CN103851192A (en) * 2012-12-07 2014-06-11 沃泰工业阀门(中国)有限公司 U-shaped spring energy accumulation pressurizing sealing ring
CN104500747A (en) * 2014-11-21 2015-04-08 广西智通节能环保科技有限公司 Silica gel filling U-shaped spring seal ring
CN104633127A (en) * 2014-12-29 2015-05-20 东莞市科雷明斯密封科技有限公司 Sealing ring for reaction kettle

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85200963U (en) * 1985-04-01 1986-02-05 第二汽车制造厂 Incision type stickiness rotary shaft oil-tight
US5730444A (en) * 1996-03-08 1998-03-24 Skf Usa Inc. Seal with embedded garter spring
CN1294664A (en) * 1999-02-18 2001-05-09 萱场工业株式会社 Seal structure
CN101184940A (en) * 2005-05-27 2008-05-21 Nok株式会社 Lip type seal
CN101317029A (en) * 2005-12-08 2008-12-03 Nok株式会社 Lip type seal
DE102008058087A1 (en) * 2008-11-19 2010-05-20 Sew-Eurodrive Gmbh & Co. Kg Housing and sealing element
CN102725568A (en) * 2010-01-26 2012-10-10 Nok株式会社 Sealing device, and pump device using same
CN101900208A (en) * 2010-07-06 2010-12-01 太原煤气化股份有限公司焦化厂 Frame seal of dynamic and static ring type
CN103851192A (en) * 2012-12-07 2014-06-11 沃泰工业阀门(中国)有限公司 U-shaped spring energy accumulation pressurizing sealing ring
CN103433269A (en) * 2013-08-27 2013-12-11 天紫环保投资控股有限公司 Pressure-maintaining ejection structure for steam ejection type organic matter garbage disposer
CN104500747A (en) * 2014-11-21 2015-04-08 广西智通节能环保科技有限公司 Silica gel filling U-shaped spring seal ring
CN104633127A (en) * 2014-12-29 2015-05-20 东莞市科雷明斯密封科技有限公司 Sealing ring for reaction kettle

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Application publication date: 20160504