CN108468809A - A kind of biomass continuous pyrolysis dynamic sealing mechanism and method - Google Patents
A kind of biomass continuous pyrolysis dynamic sealing mechanism and method Download PDFInfo
- Publication number
- CN108468809A CN108468809A CN201810303629.1A CN201810303629A CN108468809A CN 108468809 A CN108468809 A CN 108468809A CN 201810303629 A CN201810303629 A CN 201810303629A CN 108468809 A CN108468809 A CN 108468809A
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- China
- Prior art keywords
- pyrolysis
- biomass
- dynamic sealing
- furnace body
- refractory seals
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/26—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings
- F16J15/30—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings with sealing rings made of carbon
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Gasket Seals (AREA)
Abstract
The present invention is a kind of biomass continuous pyrolysis dynamic sealing mechanism and method, including compresses compensation mechanism, refractory seals packing layer.The refractory seals packing layer ensures to have both preferable lubricant effect while with good sealing property using the method for graphite packing coating graphited oil, the compensation mechanism that compresses fetters the compression for restraining piece by compression edge strip, the close contact for ensureing refractory seals filler and biomass pyrolytic furnace body, to ensure that the excellent sealing effect of device.The present invention uses unique compression compensation mechanism, the decline of sealing performance caused by preferably resolving the biomass pyrolysis furnace phenomenon of expanding with heat and contract with cold that furnace body is generated due to the variation of temperature in process of production, the addition of graphited oil further enhances sealing effect simultaneously, it ensure that the lubricant effect of contact site simultaneously, solve pyrolysis gas in pyrolysis oven leak and the entrance of extraneous air this problem, improve the yield of pyrolysis gas and the safety of device to a certain extent.
Description
Technical field
The invention patent relates to a kind of biomass continuous pyrolysis dynamic sealing mechanism and methods, especially for biomass pyrolysis furnace
Feed end and discharge end etc. need the dynamic sealing for completely cutting off air position.
Background technology
China is as a traditional agriculture big country, and the biomass resources such as agricultural crop straw rice husk are abundant, type is various, according to having
Statistics is closed, annual agricultural crop straw yield is up to more than 900,000,000 tons.China can be exchanged into the potentiality of the energy using marine stock biomass at present
About 500,000,000 tons of mark coals, with the expansion of afforestation area and the development of economic society, China's biomass resource is converted to the potentiality of the energy
1,000,000,000 tons of mark coals are can reach, account for the 28% of AND ENERGY RESOURCES CONSUMPTION IN CHINA total amount, but it has a large capacity and a wide range due to biomass resource, utilizes cost
Height, Resource Density is low, still has major part stalk resource to be not fully utilized.In recent years, country puts into effect a series of policy drums
Biomass energyization utilization is encouraged, it is the products such as pyrolysis gas, tar, biomass pyrolytic carbon that biomass, which is passed through converting, is being solved
Biomass arbitrarily burn discarding caused by environmental pollution while, also bring objective economic benefit.
In process of production, solution furnace interior usually requires that be kept still needing to while hypoxemia or anoxybiotic state biomass pyrolysis furnace
Keep micro-positive pressure, due to biomass pyrolysis furnace special structure and working condition, feed end and discharge end are poorly sealed, air into
Enter in reactor on the one hand to cause detonation even explosion accident, on the other hand can cause produced combustion gas high oxygen content, calorific value compared with
It is low, while reducing the safety of produced gas storage；Institute's heat production, which is vented one's spleen, inside pyrolysis oven leaks into air, serious to reduce pyrolysis
The yield of gas, while workshop environmental pollution is caused, the serious generation that can cause explosion accident.
For the above situation, the special working condition requirement of analysis biomass pyrolysis furnace, in conjunction with the reality encountered in production process
Problem redesigns a kind of high temperature resistant dynamic sealing mechanism.The mechanism is designed with unique compression compensation mechanism, gives full play to graphite material
Expect that outstanding high temperature resistant lubrication feature is also pyrolysis oven feed end and discharge end mistake while preferably solving sealing problem
The place of crossing provides good lubricant effect.
Invention content
Patent of the present invention is to provide a kind of efficient dynamic sealing mechanism for bionass continuous pyrolysis oven, which uses graphite plate
Root is lubricated position in sealing contact with graphited oil and reinforces sealing effect as refractory seals packing layer, auxiliary,
Refractory seals packing layer is combined closely with biomass pyrolytic furnace body and feed end and discharge end outer sleeve respectively.
Patent of the present invention is to provide a kind of efficient dynamic sealing mechanism for bionass continuous pyrolysis oven, the mechanism in feed end and
It is equipped with ring baffle in discharge end outer sleeve, prevents biomass pyrolysis furnace high temperature resistant packing layer in operation process from moving
Position, at the same sleeve with packing layer contact site be equipped with graphited oil inlet, facilitate device operating after a certain period of time and
When add graphited oil.
Patent of the present invention is to provide a kind of efficient dynamic sealing mechanism for bionass continuous pyrolysis oven, which is equipped with convergence piece
Group, overlapping is installed on feed end and discharge end cartridge exterior to head and the tail successively between restraining piece, is fixed by bolt, restrains piece
Lap is processed into different-thickness as needed, so that convergence piece lap is combined closely, convergence piece squeezes after being installed in place
Refractory seals packing layer is pressed, the ring-shaped baffle in barrel and realization packing layer and furnace body under the common squeezing action of convergence piece
Close contact, to ensure that feed end and discharge end sleeve have excellent sealing effect with furnace body contact site.
Patent of the present invention is to provide a kind of efficient dynamic sealing mechanism for bionass continuous pyrolysis oven, and the mechanism is in convergence piece group
End, which is equipped with, compresses compensation edge strip, compresses edge strip and is equipped with earrings, and hold-down bolt is equipped in earrings, and bolt, which is equipped with, compresses bullet
Spring adjusts holddown spring elasticity by screw on nut, and then adjusts the pressure size for compressing edge strip to restraining piece, compresses simultaneously
Spring can make corresponding adjustment to the phenomenon of expanding with heat and contract with cold that furnace body generates in operation process automatically.
Patent of the present invention use dynamic sealing self-tightening compensation technique, overcome biomass pyrolysis furnace in the actual production process by
The problems such as not close is contacted in the displacement of airtight and watertight padding layer caused by phenomenon of expanding with heat and contract with cold of the variation generation of temperature, with furnace body.
Graphite packing and graphited oil are employed together, simultaneous while ensureing sleeve with furnace body contact site with good sealing property
Has good lubricant effect.
The innovation point of patent of the present invention：
1) application of the graphite material as airtight and watertight padding layer and graphited oil, it is right under high-temperature condition preferably to realize
The sealing of device, while graphite packing layer preferably high temperature resistant, anti-oxidant, corrosion resistance extend the maintenance period of equipment.
2) the unique compensation mechanism that compresses can adapt to the generated volume change of expanding with heat and contract with cold of furnace body automatically, realize
Sealing mechanism still has good sealing performance at different conditions.
Description of the drawings
Fig. 1 is biomass continuous pyrolysis dynamic sealing mechanism front view.
Fig. 2 is the sectional view at Ι in Fig. 1.
Fig. 3 is that biomass continuous pyrolysis dynamic sealing mechanism compresses compensation edge strip shaft side figure.
As shown in the figure：1, discharge end sleeve, 2, biomass pyrolytic furnace body, 3, compress compensation edge strip, 4, convergence piece, 5, material
Bucket, 6, feed end sleeve, 7, pyrolysis gas outlet, 8, ring baffle, 9, graphited oil inlet, 10, fixing bolt, 11, resistance to
Elevated-temperature seal packing layer, 12, hold-down bolt, 13, holddown spring.
Specific implementation mode
For purposes of illustration only, below in conjunction with the accompanying drawings, elaborating to biomass continuous pyrolysis dynamic sealing mechanism and method.
Since furnace body 2 can ceaselessly rotate in the biomass pyrolysis furnace course of work, feed end and discharge end sleeve are fixed not
It is dynamic, therefore cannot be rigidly connected between sleeve and furnace body and there are a degree of gaps.As shown in Figure 1 to Figure 3, a kind of biology
Matter continuous pyrolysis dynamic sealing mechanism, mainly between biomass pyrolytic furnace body 2 and feed end sleeve 6 and discharge end sleeve 1
The dynamic sealing of gap, feed end sleeve are connect with hopper 5, and there are pyrolysis gas outlet 7 and and subsequent processings on discharge end sleeve
Process pipe connects.Ring baffle 8 is welded on feed end and discharge end sleeve, function is to refractory seals packing layer 11
It is positioned.Consider actual condition environment in production process, airtight and watertight padding must have good high temperature resistant, corrosion-resistant
Property, and have certain inoxidizability, in summary situation chooses graphite packing as airtight and watertight padding layer material.Resistance to height is being installed
When warm airtight and watertight padding layer 11, graphite packing coats enough graphited oils, to ensure to have between airtight and watertight padding layer 11 and furnace body 2
There is good lubricity, the graphite packing for having coated graphited oil is wrapped in stove by the opposite direction rotated when working with furnace body
On body 2, the airtight and watertight padding layer wound is crowded with the gap between sleeve and furnace body using external force such as percussions.Refractory seals filler
It after layer installs, is installed on sleeve and restrains piece 4, head and the tail are overlapped successively between each convergence piece in installation process, and make overlapping
Position is in close contact, and adjusts the bolt 10 that is tightened afterwards carefully and convergence piece group is fixed.It restrains after piece group is fixed at its end
End installation compresses compensation edge strip 3, compresses compensation edge strip 3 and is equipped with hold-down bolt 12 and holddown spring 13, by screwing compression spiral shell
Bolt 12 adjusts the pressure for restraining piece 4 to refractory seals packing layer 11 in turn to adjust the elasticity of holddown spring 13, to adjust
The sealing effect of engagement positions.It is equipped with graphited oil inlet 9 in sleeve and refractory seals packing layer contact position, so as to equipment
Graphited oil is replenished in time after a certain period of time in production work, ensures the good sealing property and airtight and watertight padding layer of dynamic sealing mechanism
Lubrication between 11 and furnace body 2.
In the above-described embodiment, the structure composition of device is described, it is clear that not yet occur and phase of the present invention at present
Same appliance arrangement, here, it should be noted that any technological innovation made under the design of patent of the present invention falls within this
In the protection domain of patent of invention.
Claims (5)
1. a kind of biomass continuous pyrolysis dynamic sealing mechanism and method keep airtight and watertight padding and pyrolysis furnace body close using compensation is compressed
The method of contact ensures that the sealing performance of device, mechanism include refractory seals packing layer, compress compensation mechanism, it is characterized in that：
The refractory seals packing layer uses high temperature resistant graphite material, the compression compensation mechanism to squeeze fixed resistance to height using convergence piece
Warm airtight and watertight padding layer.
2. biomass continuous pyrolysis dynamic sealing according to claim 1 mechanism and method, it is characterized in that：The high temperature resistant is close
For the packing bed of material using graphite packing as filler layer material, graphite packing winds pyrolysis furnace body from level to level, and graphite packing is being wound
Graphited oil is coated in the process, and refractory seals packing layer is in close contact with furnace body.
3. biomass continuous pyrolysis dynamic sealing according to claim 1 mechanism and method, it is characterized in that：The compression compensation
Mechanism carries out refractory seals packing layer with convergence piece group to compress constraint fixation, and convergence piece group is bolted on charging
On end cap cylinder and discharge end sleeve, head and the tail are overlapped successively between each convergence piece, and convergence piece lap is processed into not as needed
Stack pile ensures combining closely for lap.
4. biomass continuous pyrolysis dynamic sealing according to claim 1 or 3 mechanism and method, it is characterized in that：In convergence piece
The end of group, which is equipped with, compresses compensation edge strip, compresses compensation edge strip and is equipped with bolt and holddown spring, is adjusted and pressed by turn bolt
The elasticity of tight spring, holddown spring further adjust the pressure size for compressing edge strip to restraining piece group.
5. biomass continuous pyrolysis dynamic sealing according to claim 3 mechanism and method, it is characterized in that：Feed end and discharging
End cap cylinder is internally provided with ring-shaped baffle, and is being equipped with graphited oil inlet with filler contact position, by inlet to resistance to height
Warm airtight and watertight padding layer supplements graphited oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810303629.1A CN108468809B (en) | 2018-04-03 | 2018-04-03 | Dynamic sealing mechanism and method for continuous pyrolysis of biomass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810303629.1A CN108468809B (en) | 2018-04-03 | 2018-04-03 | Dynamic sealing mechanism and method for continuous pyrolysis of biomass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108468809A true CN108468809A (en) | 2018-08-31 |
| CN108468809B CN108468809B (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810303629.1A Expired - Fee Related CN108468809B (en) | 2018-04-03 | 2018-04-03 | Dynamic sealing mechanism and method for continuous pyrolysis of biomass |
Country Status (1)
| Country | Link |
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| CN (1) | CN108468809B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360801A (en) * | 2020-10-14 | 2021-02-12 | 陈钲仁 | High leakproofness centrifugal pump based on double containment formula is packed |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB455474A (en) * | 1936-02-27 | 1936-10-21 | Gustav Huhn | Packing for the revolving parts of rotary machines |
| CN2699065Y (en) * | 2004-05-13 | 2005-05-11 | 黄石市建材节能设备总厂 | Graphite lubrication sheet steel sealing device |
| CN202597683U (en) * | 2011-12-23 | 2012-12-12 | 青岛强龙电力石化配件有限公司 | Reinforced high-pressure sealing filler |
| CN103867724A (en) * | 2014-04-01 | 2014-06-18 | 大连容大资源循环利用咨询设计有限公司 | Multipoint compression high-temperature-resistant dynamic sealing device |
| CN107143655A (en) * | 2017-06-26 | 2017-09-08 | 农业部规划设计研究院 | Turn round the floating type dynamic sealing device of pyrolysis oven automatic tightening |
-
2018
- 2018-04-03 CN CN201810303629.1A patent/CN108468809B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB455474A (en) * | 1936-02-27 | 1936-10-21 | Gustav Huhn | Packing for the revolving parts of rotary machines |
| CN2699065Y (en) * | 2004-05-13 | 2005-05-11 | 黄石市建材节能设备总厂 | Graphite lubrication sheet steel sealing device |
| CN202597683U (en) * | 2011-12-23 | 2012-12-12 | 青岛强龙电力石化配件有限公司 | Reinforced high-pressure sealing filler |
| CN103867724A (en) * | 2014-04-01 | 2014-06-18 | 大连容大资源循环利用咨询设计有限公司 | Multipoint compression high-temperature-resistant dynamic sealing device |
| CN107143655A (en) * | 2017-06-26 | 2017-09-08 | 农业部规划设计研究院 | Turn round the floating type dynamic sealing device of pyrolysis oven automatic tightening |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360801A (en) * | 2020-10-14 | 2021-02-12 | 陈钲仁 | High leakproofness centrifugal pump based on double containment formula is packed |
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| Publication number | Publication date |
|---|---|
| CN108468809B (en) | 2020-04-21 |
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Granted publication date: 20200421 Termination date: 20210403 |