CN107143655B - Turn round the floating type dynamic sealing device of pyrolysis oven automatic tightening - Google Patents

Turn round the floating type dynamic sealing device of pyrolysis oven automatic tightening Download PDF

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Publication number
CN107143655B
CN107143655B CN201710496398.6A CN201710496398A CN107143655B CN 107143655 B CN107143655 B CN 107143655B CN 201710496398 A CN201710496398 A CN 201710496398A CN 107143655 B CN107143655 B CN 107143655B
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CN
China
Prior art keywords
dynamic sealing
sealing
sealing ring
automatic tightening
pyrolysis oven
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Application number
CN201710496398.6A
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Chinese (zh)
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CN107143655A (en
Inventor
丛宏斌
赵立欣
孟海波
姚宗路
兰珊
霍丽丽
马腾
贾吉秀
张天乐
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Chinese Academy of Agricultural Engineering CAAE
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Chinese Academy of Agricultural Engineering CAAE
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Priority to CN201710496398.6A priority Critical patent/CN107143655B/en
Publication of CN107143655A publication Critical patent/CN107143655A/en
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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
    • F16J15/34Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3436Pressing means
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B47/00Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
    • C10B47/28Other processes
    • C10B47/30Other processes in rotary ovens or retorts
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C10B53/02Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
    • 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
    • F16J15/34Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3404Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
    • 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
    • F16J15/40Sealings between relatively-moving surfaces by means of fluid
    • 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
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/02Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Gasket Seals (AREA)

Abstract

The present invention provides a kind of revolution pyrolysis oven automatic tightening formula dynamic sealing systems, including sealing ring, the sealing ring center is connected to dynamic sealing plate, it is to be slidably connected between the sealing ring and dynamic sealing plate, the sealing ring is equipped with the pretightning force for promoting to seal ring inner surface and dynamic sealing plate outer surface gluing, sealing, dynamic sealing board bottom portion is connected to connection frame, and thermal insulation board is equipped between the dynamic sealing plate and connection frame.Continuous pyrolysis equipment of the invention is as a kind of agriculture and forestry organic waste material processing equipment gently simplified, applied to the vast rural areas, whole equipment requires economical adaptation, in economic whole relatively backward rural area, there is application value, equipment dynamic sealing device structure is simple, easy to maintenance, use cost is low etc. for this, and adapts to the operating environment under equipment hot conditions.

Description

Turn round the floating type dynamic sealing device of pyrolysis oven automatic tightening
Technical field
The present invention relates to technical field of sealing technology more particularly to a kind of revolution pyrolysis oven sealing device, in particular to a kind of times Turn pyrolysis oven automatic tightening formula dynamic sealing system.
Background technique
According to retrieval, there are following the relevant technologies about pyrolysis oven sealing system:
Chinese patent is disclosed application No. is 200610156882.6, a kind of entitled patent of invention of dynamic sealing device, It is installed between shaft and cabinet, and is sheathed in shaft, and the dynamic sealing device includes a pedestal annular in shape and is located at The intracorporal sealing ring group of seat, the sealing ring group includes the inner seal ring and outer seal ring along the radially inner and outer setting of shaft, interior, Multiple flutings are along the circumferential direction evenly equipped on outer seal ring respectively, the fluting is extended through in the inside and outside sealing ring Between inside and outside diameter, and the position slotted on inside and outside sealing ring circumferentially mutually staggers.Dynamic sealing device using the above structure When in running order, it is able to maintain axial direction and moves radially, can be with shaft free floating, therefore, dynamic sealing dress of the present invention The service life set is higher, and sealing performance is preferable, can meet the seal request of high temperature, high pressure.
Chinese patent is disclosed application No. is 201410292555.8, and a kind of entitled invention of floating seal is special Benefit belongs to oily husky, oil shale rotary dry distillation technical field, contains outer simplified, inner cylinder, inner cylinder bearing, conveyance conduit, pipeline Outer wall movable sleeving, seal receptacle, static seal A, dynamic seal, sunk screw, static seal B, sealing gland, spring, spring base, Bolt, nut etc..Inner cylinder is connect with conveyance conduit one end, and pipeline outer wall movable sleeving is housed on conveyance conduit, and pipeline outer wall moves Dynamic set outside cooperates with dynamic seal inner hole spherical cambered surface, and seal receptacle is connect through conveyance conduit with outer barrel, static seal periphery and Seal receptacle fit inside, static seal is combined with dynamic seal makes conveyance conduit and outer barrel confluce can be close in different location Envelope.Dynamic seal of the present invention floats with inner cylinder change in location, and device sealing performance is reliable, installation, adjustment and it is easy to maintenance, It ensure that oily husky, oil shale retorting is gone on smoothly.
Common dynamic sealing mode includes: that cup packing, piston ring sealing, helixseal, pneumostop, waterpower are close at present Envelope, centrifugal seal, packing seal, labyrinth seal, mechanical seal etc..
It is found by above-mentioned retrieval, there are some drawbacks in current equipment, if device structure is complicated, inconvenient maintenance, peace Full performance is poor, and the service life is short, at high cost, the unstable problem of hot operation.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to existing deficiencies in the technology, a kind of revolution pyrolysis is provided Furnace automatic tightening formula dynamic sealing system, the biomass continuous pyrolysis equipment are set as a kind of agriculture and forestry organic waste material processing gently simplified It is standby, it is applied to the vast rural areas, whole equipment requires economical adaptation, in economic whole relatively backward rural area, pushes away Wide application value, equipment dynamic sealing device structure is simple, easy to maintenance, use cost is low etc. for this, and adapts to equipment high temperature item Operating environment under part.
The technical solution of the invention is as follows, provides a kind of following revolution pyrolysis oven automatic tightening formula dynamic sealing system, packet Sealing ring is included, the sealing ring center is connected to dynamic sealing plate, is slidably connected between the sealing ring and dynamic sealing plate, described close Seal ring is equipped with the pretightning force for promoting to seal ring inner surface and dynamic sealing plate outer surface gluing, sealing.
Preferably, dynamic sealing board bottom portion is connected to connection frame, thermal insulation board is equipped between the dynamic sealing plate and connection frame.
Preferably, being to be fixedly connected between the dynamic sealing plate, thermal insulation board and connection frame.
Preferably, the dynamic sealing plate, thermal insulation board or/and connection frame are annular setting.
Preferably, the sealing ring section is wedge shape, the sealing ring bottom is equipped with the section being obliquely installed, further includes The end sleeve being pyrolyzed on furnace body, the end sleeve are equipped with the static seal plate for the section cooperation being obliquely installed with sealing ring.
Preferably, the static seal plate is obliquely installed in a ring, static seal board bottom portion is quiet close equipped with being used to support The support frame of sealing plate, support frame as described above are connect with end sleeve.
Preferably, being additionally provided with pressing device at the top of the sealing ring, the pressing device is clamping hoop, the compression Anchor ear, which is equipped with, provides the regulating device of pretightning force for sealing ring, and the regulating device is that clip and locking adjust bolt.
Preferably, the connection frame bottom is connect with rotating cylinder.
Preferably, the shear-face angle is 37 ± 5 °, the fixed company between the dynamic sealing plate, thermal insulation board and connection frame It is connected in and is bolted.
Preferably, the revolution pyrolysis oven automatic tightening formula dynamic sealing system in symmetrical arrangement in rotating cylinder two sides, Lubricating oil is coated between the sealing ring and quiet, dynamic sealing plate, the lubricating oil simultaneously forms one layer of sealing oil film.
Using the technical program the utility model has the advantages that
1, sealing ring section is wedge shape, general using having the silica gel of certain elasticity to be made, be divided into static sealing surface with move it is close Cover, dynamic sealing face is fitted closely with equipment, after frayed, can automatic tightening, improve sealing performance and service life, and change Into preceding comparing, sealing system service life can be improved 5 times or more;Static sealing surface keeps pressured state, guarantees its leakproofness.
2, the binding face in dynamic sealing face and equipment application is heat-insulated and cooling mechanism makes binding face keep lower temperature, and one As be no more than 200 DEG C, while dynamic sealing face and static sealing surface are all made of oil film and are lubricated sealing, and sealing effect can be improved, prolong Long life.
3, the pretightning force of flexible clip can adjust automatically, can also be by manually adjusting, ensure that system sealing can By property.
Revolving drum operating temperature reaches as high as 700 degree or so in equipment, and cooling fin, benefit are housed in support plate and dynamic sealing plate With the device, it is usually no more than 200 degree.
Reliable using the pyrolysis oven system run all right of the technical program, using peanut shell as raw material, feed throughput is 28.2kg/h, charcoal yield are 29.3%, fuel gases calorific value 15.3MJ/Nm3, temperature control precision is ± 16 DEG C, every technology Index has reached system design goal and has required.The exploitation of the pilot test system is that equipment is amplified and Demonstration Application has established base Plinth.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for turning round pyrolysis oven automatic tightening formula dynamic sealing system on pyrolysis oven.
Fig. 2 is the partial enlarged view of sealing system in Fig. 1.
Fig. 3 is sealing system overlooking structure diagram.
Specific embodiment
For purposes of illustration only, with reference to the accompanying drawing, being done in detail to the revolution pyrolysis oven automatic tightening formula dynamic sealing system of invention Explanation.
For carburizing temperature generally at 700 DEG C or so, the temperature of dynamic sealing plate is usually no more than 200 in the invention patent use DEG C, revolving drum revolving speed is generally in 1 ~ 5r/min;Clamping hoop pretightning force general control generally uses resistance in 4 ~ 7 Nm, thermal insulation board High temperature back-fire relief heat-barrier material, thickness are not less than 20mm in principle;It is secured together by bolt, in such hot environment Under, the temperature distortion already of common silicone gasket or even melt, the present invention can preferably solve the problems, such as thawing.
As shown in Figure 1 to Figure 3, a kind of revolution pyrolysis oven automatic tightening formula dynamic sealing system, including sealing ring 2, it is described 2 center of sealing ring is connected to dynamic sealing plate 3, is slidably connected between the sealing ring 2 and dynamic sealing plate 3, sets on the sealing ring 2 There is the pretightning force for promoting 2 inner surface of sealing ring Yu 3 outer surface gluing, sealing of dynamic sealing plate;3 bottom of dynamic sealing plate is connected to connection frame 5, thermal insulation board 4 is equipped between the dynamic sealing plate 3 and connection frame 5;It is between the dynamic sealing plate 3, thermal insulation board 4 and connection frame 5 It is fixedly connected;The dynamic sealing plate 3, thermal insulation board 4 or/and connection frame 5 are annular setting, and concentric ring structure is arranged;It is described 2 section of sealing ring is wedge shape, and 2 bottom of sealing ring is equipped with the section being obliquely installed, and further includes the end sleeve being pyrolyzed on furnace body Cylinder 10, the end sleeve 10 are equipped with the static seal plate 7 for the section cooperation being obliquely installed with sealing ring 2;The static seal plate 7 Be obliquely installed in a ring, 7 bottom of static seal plate, which is equipped with, is used to support the support frame 6 of static seal plate 7, support frame as described above 6 with End sleeve 10 connects;Pressing device 8 is additionally provided at the top of the sealing ring 2, the pressing device 8 is clamping hoop, the pressure Hugging hoop and being equipped with is that sealing ring 2 provides the regulating device of pretightning force, and the regulating device is that clip and locking adjust bolt;Institute 5 bottom of connection frame is stated to connect with rotating cylinder 9;The shear-face angle is 37 ± 5 °, the dynamic sealing plate 3, thermal insulation board 4 and connection frame 5 Between be fixedly connected as be bolted;The revolution pyrolysis oven automatic tightening formula dynamic sealing system is turning in symmetrical arrangement 9 two sides of cylinder, are coated with lubricating oil between the sealing ring 2 and quiet, dynamic sealing plate 3, the lubricating oil simultaneously forms one layer of sealing oil film.
The thermal insulation board can be a complete ring structure body design, can also be the ring structure with hollow out, It is also designed to that Curved plate structure can also be independent with ring structure jaggy, connection frame and dynamic sealing plate is separated, kept away The high temperature for exempting from connection frame is directly passed to dynamic sealing plate, provides the service life of sealing ring.
In the above-described embodiments, preferred forms of the invention are described, it is obvious that in invention structure of the invention Under think of, many variations can be still made, here, it should be noted that any change made under inventive concept of the invention all will It falls within the scope of protection of the present invention.

Claims (8)

1. a kind of revolution pyrolysis oven automatic tightening formula dynamic sealing system, it is characterized in that: including sealing ring (2), the sealing ring (2) Center is connected to dynamic sealing plate (3), is slidably connected between the sealing ring (2) and dynamic sealing plate (3), on the sealing ring (2) Equipped with the pretightning force for promoting sealing ring (2) inner surface Yu dynamic sealing plate (3) outer surface gluing, sealing;Sealing ring (2) section For wedge shape, sealing ring (2) bottom is equipped with the section being obliquely installed, and further includes the end sleeve (10) being pyrolyzed on furnace body, institute State the static seal plate (7) that end sleeve (10) are equipped with the section cooperation being obliquely installed with sealing ring (2);Dynamic sealing plate (3) bottom Portion is connected to connection frame (5);Connection frame (5) bottom is connect with rotating cylinder (9).
2. revolution pyrolysis oven automatic tightening formula dynamic sealing system according to claim 1, it is characterized in that the dynamic sealing plate (3) thermal insulation board (4) are equipped between connection frame (5).
3. revolution pyrolysis oven automatic tightening formula dynamic sealing system according to claim 2, it is characterized in that: the dynamic sealing plate It (3), is to be fixedly connected between thermal insulation board (4) and connection frame (5).
4. revolution pyrolysis oven automatic tightening formula dynamic sealing system according to claim 2 or 3, it is characterized in that: it is described move it is close Sealing plate (3), thermal insulation board (4) or/and connection frame (5) are annular setting.
5. revolution pyrolysis oven automatic tightening formula dynamic sealing system according to claim 4, it is characterized in that: the static seal plate (7) it is obliquely installed in a ring, static seal plate (7) bottom is equipped with the support frame (6) for being used to support static seal plate (7), described Support frame (6) is connect with end sleeve (10).
6. pyrolysis oven automatic tightening formula dynamic sealing system is turned round according to claim 1 or 5, it is characterized in that: the sealing It is additionally provided with pressing device (8) at the top of ring (2), the pressing device (8) is clamping hoop, and the clamping hoop is equipped with as sealing Ring (2) provides the regulating device of pretightning force, and the regulating device is that clip and locking adjust bolt.
7. revolution pyrolysis oven automatic tightening formula dynamic sealing system according to claim 1, it is characterized in that: the shear-face angle It is 37 ± 5 °, is fixedly connected as being bolted between the dynamic sealing plate (3), thermal insulation board (4) and connection frame (5).
8. revolution pyrolysis oven automatic tightening formula dynamic sealing system according to claim 1, it is characterized in that: the revolution is pyrolyzed Furnace automatic tightening formula dynamic sealing system in symmetrical arrangement in rotating cylinder (9) two sides, the sealing ring (2) and dynamic sealing plate (3) Between be coated with lubricating oil, the lubricating oil simultaneously forms one layer of sealing oil film.
CN201710496398.6A 2017-06-26 2017-06-26 Turn round the floating type dynamic sealing device of pyrolysis oven automatic tightening Active CN107143655B (en)

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Publication number Priority date Publication date Assignee Title
CN108468809B (en) * 2018-04-03 2020-04-21 农业部规划设计研究院 Dynamic sealing mechanism and method for continuous pyrolysis of biomass

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