CN102746864A - Gas heat carrier multifunctional round furnace - Google Patents
Gas heat carrier multifunctional round furnace Download PDFInfo
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- CN102746864A CN102746864A CN2012102613218A CN201210261321A CN102746864A CN 102746864 A CN102746864 A CN 102746864A CN 2012102613218 A CN2012102613218 A CN 2012102613218A CN 201210261321 A CN201210261321 A CN 201210261321A CN 102746864 A CN102746864 A CN 102746864A
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Abstract
The invention discloses a gas heat carrier multifunctional round furnace. The furnace comprises an ore pocket, a dry distillation section and a generation section, wherein the dry distillation section is connected with the ore pocket and provided with a double-layer gas distribution archway, the generation section is connected with the dry distillation section, and the generation section comprises an air distribution system which is arranged at the bottom and can carry water vapor. According to the furnace, the generation section which is connected with the dry distillation section is added, when oil shale with low oil content is processed, the generation section is opened, main air is led in so as to achieve an oxidation-reduction reaction by using the air distribution system of the generation section, coal gas is produced, part of the heat required by the dry distillation is supplemented, and the automatic balance of the heat us achieved; when oil shale with high oil content is processed, due to the dry distillation section with the double-layer air distribution archway, the generation section can be closed, and full cycling dry distillation is performed; and by the aid of a set of devices, high oil extraction rate from both the oil shale with the high oil content or the low oil content can be obtained, the raw materials have a wide application range, the utilization rate is high, the yield rate of products is high, dry distillation methods can be converted, and the single-furnace processing capacity is large.
Description
Technical field
The present invention relates to the resinous shale manufacture field, in particular, relate to the multi-functional circular furnace of a kind of gaseous heat-carrier.
Background technology
Resinous shale (claiming oil shale again) is a kind of high-ash sedimentogeneous rock that contains flammable organic matter, and it is that ash content surpasses 40% with the key distinction of coal, with the culmiferous key distinction be that oil length is greater than 3.5%.Resinous shale can obtain shale oil through low-temperature pyrolysis, and shale oils can be processed gasoline, diesel oil or the oil that acts as a fuel like crude oil.Except that independent one-tenth was hidden, the also frequent and coal formation association mineral reserve of resinous shale were come out by exploitation together.
The resinous shale of bulk is delivered in a kind of huge stove through broken, screening; Under the condition of secluding air, heat, make organic matter decomposition generate oil gas; Oil gas gets into a refrigerating unit again, and being cooled condenses into buttery liquid, Here it is shale oil.The oleaginousness of resinous shale is different; Corresponding process for extracting is also had any different; Prior art need adopt the different equipment of two covers for the resinous shale that oleaginousness is higher and oleaginousness is lower, and guaranteeing obtaining higher oil-production efficiency, but the multiple facility investment increases production cost undoubtedly.
Summary of the invention
Technical problem to be solved by this invention provides the multi-functional circular furnace of gaseous heat-carrier that a kind of adaptability to raw material is wide, utilization ratio is high, product yield is high.
The objective of the invention is to realize through following technical scheme:
The multi-functional circular furnace of a kind of gaseous heat-carrier comprises ore pocket, the retort section that double-deck gas distribution archway is arranged that is connected with ore pocket, the segment occurred that is connected with retort section; Said segment occurred comprises the cloth wind system of the ability water entrainment steam that is arranged on the bottom.
Further, said segment occurred also comprises the Safety water seal module that is used to intercept source of the gas.
Further, said segment occurred also comprises the skim gate that the slag charge that disposes is removed.
Further, said double-deck gas distribution archway retort section comprises center gas distribution archway and annular gas distribution archway.
Further, said retort section is collected umbrella at the coal gas that ore pocket discharge port correspondence position is provided with umbrella, is provided with the oil gas delivery line with external communications in the umbrella.The coal gas of umbrella is collected umbrella, its outside of arching can let resinous shale uniformly the periphery from stove fall, make resinous shale can be fully, even heating, establish pipeline and be communicated with the outside and collect umbrella inside, a kind of like this structure can realize two kinds of functions.
Further, be provided with the control raw material between said ore pocket and the retort section and get into the double-layer seal intermittent type apparatus for distributing of retort section.
Further, said retort section bottom is provided with the basin that can rotate continuously, and said basin is connected with the burnt residue extraction machine of discharging warehouse of ash.
The present invention is owing to increased the segment occurred that connects with double-deck gas distribution archway retort section; When handling the resinous shale of low oil length; Open segment occurred; Utilize the cloth wind system of segment occurred to import the generation that main air impels redox reaction, produce coal gas and replenish part destructive distillation institute heat requirement, realize the autonomic balance of heat; When handling the resinous shale of higher oil length, close segment occurred, increased the destructive distillation layer thickness and make the raw material destructive distillation more fully can carry out the recycle to extinction destructive distillation owing to have double-deck gas distribution archway; Use a set of equipment like this, no matter be to handle the high oil length or the resinous shale of low oil length, can both obtain higher oil-production efficiency, adaptability to raw material is wide, utilization ratio is high, product yield is high, convertible destructive distillation mode, and single stove processing power is big.
Description of drawings
Fig. 1 is an embodiment of the invention synoptic diagram;
Wherein: 100, storage silo; 200, oil gas delivery line; 300, thermal circulation gas inlet; 400, cloth wind system; 500, coal gas is collected umbrella.
Embodiment
The multi-functional circular furnace of a kind of gaseous heat-carrier, the retort section of the double-deck gas distribution archway that comprise ore pocket, is connected, the segment occurred that is connected with retort section with ore pocket; Said segment occurred comprises the cloth wind system of the ability water entrainment steam that is arranged on the bottom.
The present invention is owing to increased the segment occurred that connects with retort section; When handling the resinous shale of low oil length, open segment occurred, impel the generation of redox reaction with the cloth wind system importing main air of segment occurred; Produce coal gas and replenish part destructive distillation institute heat requirement, realize the autonomic balance of heat; When handling the resinous shale of higher oil length, increased the destructive distillation layer thickness and make the raw material destructive distillation more fully can close segment occurred owing to have double-deck gas distribution archway, carry out the recycle to extinction destructive distillation; Use a set of equipment like this, no matter be the high oil length or the resinous shale of low oil length, can both obtain higher oil-production efficiency, adaptability to raw material is wide, utilization ratio is high, product yield is high, convertible destructive distillation mode, and single stove processing power is big.Below in conjunction with accompanying drawing and preferred embodiment the present invention is described further.
The retort section of the double-deck gas distribution archway that as shown in Figure 1, the multi-functional circular furnace of gaseous heat-carrier of the present invention comprises ore pocket, be connected with ore pocket, the segment occurred that is connected with retort section.Said segment occurred also comprises the Safety water seal module that is used to intercept source of the gas, and the skim gate of the slag charge that disposes removing.Retort section comprises double-deck center gas distribution archway and annular gas distribution archway, and its bottom is provided with the basin that can rotate continuously, and said basin is connected with the burnt residue extraction machine of discharging warehouse of ash.
Retort section is collected umbrella 500 at the coal gas that ore pocket discharge port correspondence position is provided with umbrella, is provided with the oil gas delivery line 200 with external communications in the umbrella.The coal gas of umbrella is collected umbrella 500, its outside of arching can let resinous shale uniformly the periphery from stove fall, make resinous shale can be fully, even heating, establish pipeline and be communicated with the outside and collect umbrella inside, a kind of like this structure can realize two kinds of functions.
Be provided with the control raw material between ore pocket and the retort section and get into the sealing intermittent type apparatus for distributing of retort section.
Introduce the working process of the multi-functional circular furnace of gaseous heat-carrier of the present invention below in detail:
The granularity of coming through broken, screening is that the resinous shale of 10-100 millimeter at first gets into gas retort top ore pocket, gets in the stove through sealing intermittent type apparatus for distributing.The resinous shale that gets into gas retort is collected at coal gas under the effect of umbrella 500, and the periphery from stove falls uniformly.Basin by the gas retort bottom constantly rotates, and by residue extraction machine grey Jiao is transported continuously, and the resinous shale that gas retort is newly advanced on top falls by deadweight slowly naturally.
The initial shale that gets into gas retort on stove top retort section remove the moisture and the wet gas on shale surface earlier by pre-heating temperature elevation.Shale is once, temperature constantly raises in the process that moves down of secondary retort section; Surface-moisture evaporates when temperature is elevated to 120 ℃; When temperature is raised to 150 ℃-180 ℃, emit the inner adsorbed gas of shale, when temperature surpasses 180 ℃ in the shale organic matter begin to decomposite gases such as moisture, carbonic acid gas and hydrogen sulfide.When the shale shale oil that continue to heat up when reaching 500 ℃ in the shale discharges basically and finishes.Become shale semicockes after shale is emitted shale oil this moment; Two-layer thermal circulation gas 300 distribution archways fall into segment occurred continuation whereabouts and main air generation combustion reactions through the middle part, emit a large amount of heat, simultaneously the charcoal of red heat and a large amount of gas of the generation of the water vapor acting in the main air in the semicoke; And absorption heat; Heat by the gas band of reaction generation and rise to the middle part, the hot methane gas of thermal cycling that distributes archways to feed with the two-layer thermal circulation gas 300 in middle part mixes, as the destructive distillation thermal source of the new form advance rock in top.
The multi-functional circular furnace characteristics of the gaseous heat-carrier of present embodiment:
1, adaptability to raw material is wide, utilization ratio is high, product yield is high, convertible destructive distillation mode, and single stove processing power is big.
This stove is applicable to that granularity is the different grade resinous shale of 10mm-100mm: during raw material oil length 3.5%-9%, open the bottom gasification system, realize the heat autonomic balance, oil-production efficiency 80%.The branded oil shale of raw material oil length more than 9% is closed the bottom gasification system, carries out the recycle to extinction destructive distillation, and oil-production efficiency is more than 85%.Single stove processing power is 200-260 ton/sky.
2, can make full use of fixed carbon in the resinous shale.The destructive distillation low grade oil shale can make full use of the fixed carbon in the resinous shale, and gasification produces low-heat value gas, replenishes the destructive distillation heat, realizes the heat supply autonomic balance, improves the energy utilization rate of low grade oil shale, and efficiency is high.
3, furnace binding is simple, and is easy to maintenance, and the cycle of operation is long.
Body of heater is a tubular construction, inner lining refractory, and ash discharge is burnt, gas distribution equipment is the heat resisting iron material.This type of furnace have equipment life long, fault is few, operation factor reaches more than 98%, and easy to maintenance, expense is low.
4, uncontrollable discharge is few
Gas retort top material drain system adopts double-layer seal formula apparatus for distributing, has reduced uncontrollable discharge greatly.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (7)
1. the multi-functional circular furnace of gaseous heat-carrier is characterized in that, comprises ore pocket, the retort section with double-deck gas distribution archway that is connected with ore pocket, the segment occurred that is connected with retort section; Said segment occurred comprises the cloth wind system of the ability water entrainment steam that is arranged on the bottom.
2. the multi-functional circular furnace of a kind of gaseous heat-carrier as claimed in claim 1 is characterized in that said segment occurred also comprises the Safety water seal module that is used to intercept source of the gas.
3. the multi-functional circular furnace of a kind of gaseous heat-carrier as claimed in claim 1 is characterized in that, said segment occurred also comprises the skim gate that the slag charge that disposes is removed.
4. like the multi-functional circular furnace of the arbitrary described a kind of gaseous heat-carrier of claim 1～3, it is characterized in that said retort section comprises center gas distribution archway and double-deck annular gas distribution archway.
5. the multi-functional circular furnace of a kind of gaseous heat-carrier as claimed in claim 4 is characterized in that, said retort section is collected umbrella at the coal gas that ore pocket discharge port correspondence position is provided with umbrella, is provided with the oil gas delivery line with external communications in the umbrella.
6. the multi-functional circular furnace of the described a kind of gaseous heat-carrier of claim 5 is characterized in that, is provided with the control raw material between said ore pocket and the retort section and gets into the sealing intermittent type apparatus for distributing of retort section.
7. the multi-functional circular furnace of the described a kind of gaseous heat-carrier of claim 6 is characterized in that, said retort section bottom is provided with the basin that can rotate continuously, and said basin is connected with the burnt residue extraction machine of discharging warehouse of ash.
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| CN2012102613218A CN102746864A (en) | 2012-07-23 | 2012-07-23 | Gas heat carrier multifunctional round furnace |
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| CN2012102613218A CN102746864A (en) | 2012-07-23 | 2012-07-23 | Gas heat carrier multifunctional round furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104498069A (en) * | 2014-12-30 | 2015-04-08 | 汪清县龙腾能源开发有限公司 | Oil shale distillation process employing dry coke exhaust gas heat carrier |
| CN105802654A (en) * | 2014-12-31 | 2016-07-27 | 北票北塔油页岩综合开发利用有限公司 | Internal heat dry distillation furnace |
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| CN102260509A (en) * | 2011-06-28 | 2011-11-30 | 吴启成 | Methane-circulating retort capable of handling 500 to 1,000 tons of oil shale daily |
| CN102492446A (en) * | 2011-12-16 | 2012-06-13 | 沈阳成大弘晟能源研究院有限公司 | Combined type gas full-cycle gas retort |
| CN202671498U (en) * | 2012-07-23 | 2013-01-16 | 李柯 | Multifunctional furnace for gas heat carrier |
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2012
- 2012-07-23 CN CN2012102613218A patent/CN102746864A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1491645A (en) * | 1975-04-01 | 1977-11-09 | Ni I Slantsev | Vertical retort for thermal processing of lump shale |
| US4066529A (en) * | 1976-05-07 | 1978-01-03 | Paraho Corporation | Method of design for vertical oil shale retorting vessels and retorting therewith |
| CN201258312Y (en) * | 2008-06-06 | 2009-06-17 | 曹祖斌 | Interior heat type multiple layer gas distribution carbonization furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104498069A (en) * | 2014-12-30 | 2015-04-08 | 汪清县龙腾能源开发有限公司 | Oil shale distillation process employing dry coke exhaust gas heat carrier |
| CN105802654A (en) * | 2014-12-31 | 2016-07-27 | 北票北塔油页岩综合开发利用有限公司 | Internal heat dry distillation furnace |
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Application publication date: 20121024 |