CN201447458U - Multilayer gas distribution full cycle retort furnace - Google Patents
Multilayer gas distribution full cycle retort furnace Download PDFInfo
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- CN201447458U CN201447458U CN200920014854XU CN200920014854U CN201447458U CN 201447458 U CN201447458 U CN 201447458U CN 200920014854X U CN200920014854X U CN 200920014854XU CN 200920014854 U CN200920014854 U CN 200920014854U CN 201447458 U CN201447458 U CN 201447458U
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- gas
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- gas distribution
- dry distillation
- retort section
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Abstract
The utility model discloses a multilayer gas distribution full cycle retort furnace, which comprises a furnace body, an emptying system positioned at the top part of the furnace body, and a deslagging system positioned at the bottom part thereof; wherein, an arched leg at the middle part of the furnace body is divided into an upper dry distillation section and a lower generation section, a dry distillation product outlet is arranged at the upper part of the dry distillation section, and a gas supply system is arranged at the lower part of the generation section; a gas seal section communicated with a gas seal gas inlet is arranged between the dry distillation section and the generation section; an annular gas distribution chamber communicated with a cycling gas inlet and a cavity of the dry distillation section through a gas distribution hole is arranged outside the dry distillation section, and a central gas collection cavity with the upper end sealed, the lower end communicated with the cycling gas inlet and the gas distribution hole formed at the middle part is arranged inside the dry distillation section; and a generation gas outlet is arranged at the upper part of the generation section. The retort furnace has the advantages of small spraying radius of a heat carrier, comparatively uniform gas distribution and heating, high heating and oil recovery efficiencies, and the phenomenon of generation of oil firing can be fundamentally avoided, etc. The utility model makes up blank in the retort furnace, thereby worthing of popularization and application.
Description
One, technical field
The utility model belongs to technical field of coal chemical industry, is specifically related to a kind of multilayer gas distribution full circulation carbonization furnace.
Two, background technology
Along with world energy consumption constantly increases, Nonrenewable energy resources such as coal, oil, Sweet natural gas are in short supply day by day, shale oil more and more causes people's attention as replenishing of the energy, in the intermediary and later stages in 20th century, many countries such as the U.S., Estonia and Brazil are active research exploitation oil shale distillation novel process all, designs novel gas retort.China's shale oil industry also begins to develop in 20 th century later, and the history of decades has been arranged.At present, adopting is at most internally heated retort oven, and it is to be made of material drain system, body of heater and dreg removing system.Body of heater is divided into the retort section on top and the segment occurred of bottom by the arch leg at its middle part, and retort section top is provided with the outlet of destructive distillation product, and the bottom of segment occurred is provided with air feed system.Waist at body of heater is provided with the gas entry that is used to retort section that high temperature circulation coal gas is provided.Because this stove is that high temperature circulation coal gas and the segment occurred coal gas imported by the gas entry of waist are the retort section heat supply, this kind heat-supplying mode is the individual layer gas distribution, and heat supply is difficult to evenly directly influence the destructive distillation effect, has reduced thermo-efficiency and tar productivity.Tar productivity has only about 65%, has caused the waste of resource; When secondly segment occurred coal gas is the retort section heat supply,, very easily cause the retort section oil firing, not only reduced oil-production efficiency, localized hyperthermia " furnace " also takes place easily owing to contain excess oxygen in this coal gas
Three, summary of the invention
The purpose of this utility model provides that a kind of gas distribution is even, and destructive distillation is effective, can improve thermo-efficiency and tar productivity effectively, and the multilayer gas distribution full circulation carbonization furnace that can thoroughly avoid retort section oil firing phenomenon to take place.
For achieving the above object, the technical solution adopted in the utility model is: the utility model is to be made of body of heater and the material drain system and the dreg removing system that are positioned at body of heater top, bottom; Body of heater is divided into the retort section on top and the segment occurred of bottom by the arch leg at its middle part, and the top of retort section is provided with the outlet of destructive distillation product, and the bottom of segment occurred is provided with air feed system; Be characterized in: be provided with the sealing gland section that communicates with the sealing gland gas entry between retort section and the segment occurred; The outside of retort section is provided with and circulating gas inlet and the annular cloth air chamber that communicates with the retort section inner chamber by qi-emitting hole, inside be provided with upper end closed, lower end and circulating gas enter the mouth communicate, center air collecting chamber that the middle part has qi-emitting hole; The top of segment occurred is provided with the generation gas exit.
Advantage of the present utility model is as follows:
1, is respectively equipped with annular cloth air chamber and center air collecting chamber in the outside and the inside of retort section, and be the retort section gas distribution by qi-emitting hole, realized multilayer gas distribution, the thermal barrier radius of spray is little, and gas distribution is even, and material can both be by even heating, destructive distillation is more complete, not only improved thermo-efficiency, and the destructive distillation effect is remarkable, has improved tar productivity and single stove ability.Tar productivity can improve 20%-25%, and single stove ability and retort section cross-sectional strength are respectively 5 times and 2.5 times of existing gas retort.
2, between retort section and segment occurred, be provided with the sealing gland section, utilize circulating gas to carry out sealing gland, stoped on the segment occurred coal gas that contains excess oxygen and scurried, and can only extract out from gas exit takes place to retort section.Fundamentally avoid the generation of oil firing phenomenon, not only improved tar productivity, also prevented the generation of " furnace ".Because segment occurred coal gas no longer is the retort section heat supply, only relying on circulating gas is its heat supply, thereby has realized the recycle to extinction destructive distillation.
Four, description of drawings
Accompanying drawing is a structural representation of the present utility model.
Five, embodiment
As shown in the figure, the utility model is to be made of body of heater and the material drain system and the dreg removing system that are positioned at body of heater top, bottom; The material drain system at body of heater top comprises storage bin 1 and hopper 2, and hopper 2 is 2 up and down that are separated by valve.The dreg removing system of bottom of furnace body comprises ash bucket 15 and ashes water-cooling groove 16, and ash bucket 15 is 2 up and down that are separated by valve.Adopt above-mentioned pair of hopper 2 reinforced, double ash bucket 15 ash discharges, when having guaranteed gas retort blowing or deslagging, coal gas is not revealed in the stove, has improved single stove ability; Body of heater is divided into retort section 5 and the segment occurred 11 that communicates with each other by the arch leg 20 at its middle part.Arch leg 20 is the open tubular column structure, comprises two of horizontal, vertical one-tenth right-angled intersection; The inner chamber top of retort section 5 is provided with the collection umbrella 4 that is fixed on the body of heater top by connecting rod 23, and the top of collecting umbrella 4 is equipped with leads to the outer destructive distillation product export mouth 3 of stove, is used to derive gasiform destructive distillation product; The bottom of segment occurred 11 is provided with by gas distribution and removes ash-pan 13 and main air inlet 14 air feed systems that constitute; Be provided with sealing gland section 24 between retort section 5 and the segment occurred 11, the outside of sealing gland section 24 is provided with the sealing gland cloth air chamber 9 that communicates with sealing gland gas entry 10, and sealing gland cloth air chamber 9 communicates with sealing gland section 24 by sealing gland qi-emitting hole 22.24 effects of sealing gland section are to utilize circulating gas to carry out sealing gland, and retort section 5 and segment occurred 11 are thoroughly separated.The pressure of sealing gland section 24 is larger than segment occurred gas exit 12 pressure, makes segment occurred coal gas can not scurry into retort section 5, causes oil firing; The outside of retort section 5 is provided with and the circulating gas inlet 8 annular cloth air chambers 7 that communicate, and annular cloth air chamber 7 inside communicate with retort section 5 inner chambers by qi-emitting hole 21.Retort section 5 inside are provided with the center air collecting chamber 6 that is installed in above arch leg 20 infalls.Center gas collection 6 is a hollow structure, and the upper end is by 17 sealings of top cap, and the lower end communicates with the inner chamber of arch leg 20.Arch leg 20 outsides have air inlet port 19, so that annular cloth air chamber 7 communicates with arch leg 20 inner chambers.After high temperature circulation coal gas enters annular cloth air chamber 7 from circulating gas inlet 10, the annular cloth air chamber 7 interior qi-emitting holes 21 of leading up to are retort section 5 gas distributions, another road is sent in the center air collecting chamber 6 through the inner chamber of arch leg 20, by qi-emitting hole 21 also is retort section 5 gas distributions, like this, the resinous shale in the retort section 5 is just by upper and lower 21 while of laminates pore gas distribution.Above-mentioned qi-emitting hole 21 can be shutter; The top of segment occurred 11 is provided with collects cap 18, collecting cap 18 is to be fixed on segment occurred 11 inwalls by the connection leg around it, its effect is to be used to collect the coal gas that segment occurred 11 produces, and the generation gas exit 12 of portion is extracted out as process furnace fuel gas from it, is the circulating gas heating.
The utility model multilayer gas distribution full circulation carbonization furnace main technologic parameters is as follows:
1, resinous shale index:
Oil length: %＞6
Granularity: mm 10～75
2, processing condition:
Single stove ability: t/d 500
Unit internal circulating load: Nm
3/ t shale 900～1000
Unit air volume: Nm
3/ t shale 200～260
Heating temperature: ℃ 700～800
Main air saturation ratio: ℃ 70～75
Gas retort temperature out: ℃ 100～120
Retort section temperature: ℃ 500～600
Segment occurred temperature: ℃ 800～1000
Gas retort top hole pressure: Pa 0～100
Circulating gas pressure: Pa 5000～8000
Main air pressure: Pa 4000～6000
3, technical indicator:
Retort section cross-sectional strength: kg/m
2H 1940
Effective residence time of resinous shale: h 6.89
Oil-production efficiency: % 85～90
Claims (4)
1. multilayer gas distribution full circulation carbonization furnace is made of body of heater and the material drain system and the dreg removing system that are positioned at body of heater top, bottom; Body of heater is divided into the retort section (5) on top and the segment occurred (11) of bottom by the arch leg (20) at its middle part, and the top of retort section (5) is provided with destructive distillation product outlet (3), and the bottom of segment occurred is provided with air feed system; It is characterized in that: be provided with the sealing gland section (24) that communicates with sealing gland gas entry (10) between retort section (5) and the segment occurred (11); The outside of retort section (5) is provided with circulating gas inlet (8) and reaches the annular cloth air chamber (7) that communicates with retort section (5) inner chamber by qi-emitting hole (21), and inside is provided with upper end closed, lower end and the circulating gas inlet center air collecting chamber (6) that (8) communicate, the middle part has qi-emitting hole (21); The top of segment occurred (11) is provided with gas exit (12) takes place.
2. multilayer gas distribution full circulation carbonization furnace according to claim 1 is characterized in that: described material drain system comprises 2 hoppers (2) up and down that separated by valve.
3. multilayer gas distribution full circulation carbonization furnace according to claim 1 and 2 is characterized in that: described dreg removing system comprises 2 ash buckets (15) up and down that separated by valve.
4. multilayer gas distribution full circulation carbonization furnace according to claim 1 and 2 is characterized in that: described qi-emitting hole (21) is a shutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920014854XU CN201447458U (en) | 2009-06-25 | 2009-06-25 | Multilayer gas distribution full cycle retort furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920014854XU CN201447458U (en) | 2009-06-25 | 2009-06-25 | Multilayer gas distribution full cycle retort furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201447458U true CN201447458U (en) | 2010-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920014854XU Expired - Lifetime CN201447458U (en) | 2009-06-25 | 2009-06-25 | Multilayer gas distribution full cycle retort furnace |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102250629A (en) * | 2011-06-13 | 2011-11-23 | 山西利华新科技开发有限公司 | Coking furnace capable of recycling heat energy and coking method |
| CN102627975A (en) * | 2012-03-27 | 2012-08-08 | 大庆华凯石油化工设计工程有限公司 | Oil shale multi-section retort furnace |
| CN103045276A (en) * | 2013-01-07 | 2013-04-17 | 陕西华祥能源科技集团有限公司 | Pyrolyzing furnace for powdered coal |
| CN101928582B (en) * | 2009-06-25 | 2013-08-14 | 中国石油集团工程设计有限责任公司抚顺分公司 | Multilayer gas distribution full circulation carbonization furnace |
| CN104109546A (en) * | 2013-04-18 | 2014-10-22 | 武汉华中工建工程技术有限公司 | Multi-point material-feeding retort technology with upper-combustion solid heat carrier |
| CN106047391A (en) * | 2016-07-11 | 2016-10-26 | 神木县三江煤化工有限责任公司 | Gas distribution device of low-temperature carbonization furnace |
| CN112080308A (en) * | 2020-10-08 | 2020-12-15 | 杨松 | Operation method of waste tire pyrolysis reaction furnace feeding system |
-
2009
- 2009-06-25 CN CN200920014854XU patent/CN201447458U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928582B (en) * | 2009-06-25 | 2013-08-14 | 中国石油集团工程设计有限责任公司抚顺分公司 | Multilayer gas distribution full circulation carbonization furnace |
| CN102250629A (en) * | 2011-06-13 | 2011-11-23 | 山西利华新科技开发有限公司 | Coking furnace capable of recycling heat energy and coking method |
| CN102250629B (en) * | 2011-06-13 | 2013-09-04 | 山西利华新科技开发有限公司 | Coking furnace capable of recycling heat energy and coking method |
| CN102627975A (en) * | 2012-03-27 | 2012-08-08 | 大庆华凯石油化工设计工程有限公司 | Oil shale multi-section retort furnace |
| CN102627975B (en) * | 2012-03-27 | 2013-11-20 | 大庆华凯石油化工设计工程有限公司 | Oil shale multi-section retort furnace |
| CN103045276A (en) * | 2013-01-07 | 2013-04-17 | 陕西华祥能源科技集团有限公司 | Pyrolyzing furnace for powdered coal |
| CN103045276B (en) * | 2013-01-07 | 2015-05-27 | 陕西华祥能源科技集团有限公司 | Pyrolyzing furnace for powdered coal |
| CN104109546A (en) * | 2013-04-18 | 2014-10-22 | 武汉华中工建工程技术有限公司 | Multi-point material-feeding retort technology with upper-combustion solid heat carrier |
| CN106047391A (en) * | 2016-07-11 | 2016-10-26 | 神木县三江煤化工有限责任公司 | Gas distribution device of low-temperature carbonization furnace |
| CN112080308A (en) * | 2020-10-08 | 2020-12-15 | 杨松 | Operation method of waste tire pyrolysis reaction furnace feeding system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100505 Effective date of abandoning: 20090625 |
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| RGAV | Abandon patent right to avoid regrant |