CN203203246U - Circulating bed organic heat carrier furnace capable of coproducing hot oil and water vapor - Google Patents
Circulating bed organic heat carrier furnace capable of coproducing hot oil and water vapor Download PDFInfo
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- CN203203246U CN203203246U CN 201320163234 CN201320163234U CN203203246U CN 203203246 U CN203203246 U CN 203203246U CN 201320163234 CN201320163234 CN 201320163234 CN 201320163234 U CN201320163234 U CN 201320163234U CN 203203246 U CN203203246 U CN 203203246U
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Abstract
The utility model discloses a circulating bed organic heat carrier furnace capable of coproducing hot oil and water vapor, and is used for realizing a low-pressure and high-temperature heat utilization system. The circulating bed organic heat carrier furnace capable of coproducing hot oil and water vapor comprises a coal feeding device, a combustion bed, heating surfaces, a water side boiler barrel, a separator, a material returning device, a water side coal economizer, an air preheater, an ash falling device, a cloth bag dust catcher, an induced draft fan and a chimney, wherein the combustion bed adopts a circulating fluidized bed; a first heat conduction oil radiating heating surface is arranged on the smoke rising section of the vertical section of the combustion bed; a second heat conduction oil radiating heating surface is arranged on the vertical surface of the front section of a tail flue; a heat conduction oil convection heating surface is arranged in the front section of the tail flue; a vapor roof tube heating surface is arranged on a smoke outlet section on the upper part of the circulating fluidized bed; a vapor convection heating surface is arranged on the middle section of the tail flue; fuel releases heat after being burnt in a heat insulation combustion bed; high-temperature smoke passes through the heat conduction oil radiating heating surfaces and the vapor roof tube heating surface and enters the tail flue after being subjected to smoke and dust separation via a separator; and then, the high-temperature smoke successively passes through the heat conduction oil radiating heating surfaces, the heat conduction oil convection heating surface, the vapor convection heating surface, the water side coal economizer and the air preheater to enter a smoke processing system. The circulating bed organic heat carrier furnace disclosed by the utility model has the advantages of wide fuel adaptability, simple pre-processing system and high combined efficiency and can be widely used in various fields, the higher-temperature smoke discharged from the traditional heat conduction oil furnace is fully utilized, and vapor is a by-product.
Description
Technical field
The utility model relates to the heat-exchange system of a kind of deep fat and steam coproduction, is the CFBC heat-conducting oil furnace, belongs to the using energy source Apparatus and method for and improves the field.
Background technology
The principle of heat-conducting oil furnace is with organic carrier (conduction oil) heating, and the conduction oil that will be undertaken after liquid phase circulation will heat by high temperature oil pump is transported to the hot equipment of using, and heats by get back to heat-conducting oil furnace with hot equipment oil-out again, forms a complete heat circulating system.
Mostly the coal-fired thermal oil furnace that uses at present is grate furnace or coal-powder boiler, and grate furnace efficient is relatively low, and coal adaptability is relatively poor.The fuel pulverized coal preparation complexity that coal-powder boiler is required is not suitable for middle-size and small-size equipment.Recently someone continues to use existing circulation fluidized-bed combustion boiler technological development circulating fluidized bed combustion coal heat-conducting oil furnace; general circulation fluidized-bed combustion boiler is better than chain furnace and coal-powder boiler; existing circulating fluidized bed combustion coal stove relies on backflow of particles to take the temperature stabilization that emulsion zone burning heat more than needed is realized emulsion zone out of; more stable than traditional grate furnace and coal-powder boiler operation, the thermal efficiency also increases.But the heat that existing fluid-bed combustion boiler produces exchanges away with single working medium usually, causes the heat of considerable part to be difficult to take full advantage of, and exist to produce the single problem of heat mode, and overall thermal efficient remains further to be improved.
The utility model content
The purpose of this utility model is to provide the circulation fluidized bed organic heat-carrying agent stove of deep fat and water vapour coproduction, overcome the shortcoming of existing heat-conducting oil furnace technology, by adopting conduction oil and two kinds of working medium of water, and multiple, multistage heating surface is set, in different temperature ranges different heating surfaces is set, adopt different heat exchange modes, produce simultaneously deep fat, water vapour.
The technical solution adopted in the utility model is:
The circulation fluidized bed organic heat-carrying agent stove of a kind of deep fat and steam coproduction, comprise coal feeder, burning bed, heating surface, water side drum, separator, feeding back device, back-end ductwork, water side economizer, air preheater and ash dropped unit, it is characterized in that: described burning bed adopts recirculating fluidized bed, the flue gas ascent stage of the vertical section of burning bed is arranged the first conduction oil radiating surface, back-end ductwork leading portion facade is arranged the second conduction oil radiation heating-surface, the leading portion internal placement conduction oil convection heating surface of back-end ductwork; The exhanst gas outlet section on recirculating fluidized bed top is arranged steam roof tube heating surface, the steam convection heating surface is arranged in the back-end ductwork stage casing, high-temperature flue gas passes through the first conduction oil radiation heating-surface and steam roof tube heating surface in burning bed, carry out entering back-end ductwork after flue dust separates through separator, successively by the second conduction oil radiation heating-surface, conduction oil convection heating surface, steam convection heating surface, water side economizer and air preheater, finally enter flue gas emission along the flue direction.
In the technique scheme, described the first conduction oil radiation heating-surface and the second conduction oil radiation heating-surface 3b adopt the spiral fashion oil pipe, and described steam roof tube heating surface adopts water pipe.
The utlity model has following advantage and high-lighting effect: the utility model coal adaptability is good, by adopting conduction oil and two kinds of working medium of water, and multiple, multistage heating surface is set and adopts different heat exchange modes in different temperature ranges, produce simultaneously deep fat and water vapour, significantly improved integrated heat efficiency, have good economic benefit and environmental benefit, application prospect is very wide.
Description of drawings
Fig. 1 is the schematic diagram of the circulation fluidized bed organic heat-carrying agent stove of a kind of deep fat of relating to of the utility model and steam coproduction.
Among the figure: 1-coal feeder, 2-burning bed, 3a-the first conduction oil radiation heating-surface, 3b-the second conduction oil radiation heating-surface, 4a-conduction oil lower header, header in the 4b-conduction oil, 4c-conduction oil lower header, 5-steam roof tube heating surface, 6-water side drum, 7-separator, 8-feeding back device, the 9-back-end ductwork, 10-conduction oil convection heating surface, 11-steam convection heating surface, 12-water side economizer, 13-air preheater, 14-ash dropped unit, the 15-sack cleaner, 16-air-introduced machine, 17-chimney.
The specific embodiment
Describe concrete technology of the present utility model and operational process in detail below in conjunction with accompanying drawing:
The circulation fluidized bed organic heat-carrying agent stove of a kind of deep fat described in the utility model and steam coproduction, main device comprises coal feeder 1, burning bed 2, the first conduction oil radiation heating-surface 3a, the second conduction oil radiation heating-surface 3b, conduction oil lower header 4a, header 4b in the conduction oil, conduction oil upper collecting chamber 4c, steam roof tube heating surface 5, water side drum 6, separator 7, feeding back device 8, back-end ductwork 9, conduction oil convection heating surface 10, steam convection heating surface 11, water side economizer 12, air preheater 13, ash dropped unit 14, sack cleaner 15, air-introduced machine 16 and chimney 17.Described burning bed 2 adopts recirculating fluidized bed, the flue gas ascent stage of burning bed 2 vertical sections is arranged the first conduction oil radiating surface 3a, back-end ductwork 9 leading portion facades are arranged the second conduction oil radiation heating-surface 3b, the leading portion internal placement conduction oil convection heating surface 10 of back-end ductwork 9; The exhanst gas outlet section on recirculating fluidized bed top is arranged steam roof tube heating surface 5, and steam convection heating surface 11 is arranged in the back-end ductwork stage casing.
The method that organic heat-carrying agent stove under the utility model adopts is: fuel is sent into burning bed 2 through coal feeder 1 and is carried out adiabatic combustion, by low-cost desulfurization of realization such as interpolation lime stones, ignition temperature is controlled at 850～900 ℃ and realizes low NOx combustion, and efficiency of combustion can reach more than 97%.The high-temperature flue gas that burning produces is at first by the first conduction oil radiation heating-surface 3a, and organic carrier is drawn by conduction oil header 4 after heating, delivers to the hot equipment of using; Enter the high-temperature flue gas of furnace roof by steam roof tube heating surface 5, inhale thermogenetic steam and advance water inlet side drum 6 with the form of steam water interface, carry out carbonated drink separation and draw by live steam pipe, be sent to gas utilization unit; The high-temperature flue gas of dust-laden efficiently separates through separator 7, and solid particle returns combustion system through feeding back device 8.High-temperature part at back-end ductwork 9 leading portions arranges the second conduction oil radiation heating-surface 3b and conduction oil convection heating surface 10, and the flue stage casing arranges steam convection heating surface 11, and the flue back segment arranges water side economizer 12 and air preheater 13.High-temperature flue gas enters back-end ductwork 9 through behind the separator, along flue gas flow direction successively with the second conduction oil radiation heating-surface 3b, conduction oil convection heating surface 10, steam convection heating surface 11, water side economizer 12 and air preheater 13 heat exchange, the heat in the flue gas is fully used.The lower end of back-end ductwork 9 all arranges ash dropped unit 14, collects flue gas and deposits the ash that gets off.After the back-end ductwork heat exchange, high-temperature flue gas becomes low-temperature flue gas, after sack cleaner 15 carries out dedusting, delivers to chimney 17 dischargings by air-introduced machine 16.
Conduction oil is at first sent into conduction oil convection heating surface 10 by conduction oil lower header 4a, the deep fat that is heated after heating up enters the second conduction oil radiation heating-surface 3b and the first conduction oil radiation heating-surface 3a successively by header 4b in the conduction oil, through further drawing the hot equipment of using of delivering to by the conduction oil upper collecting chamber 4c above the first conduction oil radiation heating-surface 3a behind the heat temperature raising, low temperature conduction oil after the heat exchange enters conduction oil convection heating surface 10 by conduction oil lower header 4a again, finishes once circulation.Simultaneously, the conduction oil that 10 heat exchange heat up through the conduction oil convection heating surface also can enter the first conduction oil radiation heating-surface 3a and the second conduction oil radiation heating-surface 3b heat exchange simultaneously with parallel way, the conduction oil of process heat temperature raising is drawn by conduction oil upper collecting chamber 4c and is delivered to respectively the hot equipment of using, low temperature conduction oil after the heat exchange enters conduction oil convection heating surface 10 by conduction oil lower header 4a again, finishes once circulation.
Claims (2)
1. the circulation fluidized bed organic heat-carrying agent stove of a deep fat and steam coproduction, comprise coal feeder (1), burning bed (2), heating surface, water side drum (6), separator (7), feeding back device (8), back-end ductwork (9), water side economizer (12), air preheater (13) and ash dropped unit (14), it is characterized in that: described burning bed (2) adopts recirculating fluidized bed, the flue gas ascent stage of the vertical section of burning bed (2) is arranged the first conduction oil radiating surface (3a), back-end ductwork (9) leading portion facade is arranged the second conduction oil radiation heating-surface (3b), the leading portion internal placement conduction oil convection heating surface (10) of back-end ductwork (9); The exhanst gas outlet section on recirculating fluidized bed top is arranged steam roof tube heating surface (5), steam convection heating surface (11) is arranged in back-end ductwork (9) stage casing, high-temperature flue gas passes through the first conduction oil radiation heating-surface (3a) and steam roof tube heating surface (5) in burning bed, carry out entering back-end ductwork (9) after flue dust separates through separator (7), pass through successively the second conduction oil radiation heating-surface (3b) along the flue direction, conduction oil convection heating surface (10), steam convection heating surface (11), water side economizer (12) and air preheater (13) finally enter flue gas emission.
2. the circulation fluidized bed organic heat-carrying agent stove of a kind of deep fat as claimed in claim 1 and steam coproduction, it is characterized in that: described the first conduction oil radiation heating-surface (3a) and the second conduction oil radiation heating-surface (3b) adopt the spiral fashion oil pipe, and described steam roof tube heating surface (5) adopts water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320163234 CN203203246U (en) | 2013-04-03 | 2013-04-03 | Circulating bed organic heat carrier furnace capable of coproducing hot oil and water vapor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320163234 CN203203246U (en) | 2013-04-03 | 2013-04-03 | Circulating bed organic heat carrier furnace capable of coproducing hot oil and water vapor |
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| Publication Number | Publication Date |
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| CN203203246U true CN203203246U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320163234 Withdrawn - After Issue CN203203246U (en) | 2013-04-03 | 2013-04-03 | Circulating bed organic heat carrier furnace capable of coproducing hot oil and water vapor |
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| CN (1) | CN203203246U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216937A (en) * | 2013-04-03 | 2013-07-24 | 清华大学 | Circulating bed organic heat carrier furnace capable of co-producing hot oil and water vapour |
| WO2016078177A1 (en) * | 2014-11-19 | 2016-05-26 | 武汉江河长能源科技有限公司 | Biomass micron fuel high-temperature industrial boiler |
| CN107816801A (en) * | 2017-11-20 | 2018-03-20 | 江苏太湖锅炉股份有限公司 | π type fuel vapor organic heat carrier furnaces |
| CN109268811A (en) * | 2018-10-12 | 2019-01-25 | 扬州正宇锅炉有限公司 | A kind of step-by-step movement combined fire grate boiler |
| CN110220181A (en) * | 2019-06-05 | 2019-09-10 | 山东东能动力科技有限公司 | Organic heat carrier and the double heat supply working medium burning coal powder low emission boilers of steam and its method |
| CN113983467A (en) * | 2021-12-09 | 2022-01-28 | 北京四维天拓技术有限公司 | Secondary air distribution device and heat conduction oil and steam co-production TFB gasification incinerator |
-
2013
- 2013-04-03 CN CN 201320163234 patent/CN203203246U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216937A (en) * | 2013-04-03 | 2013-07-24 | 清华大学 | Circulating bed organic heat carrier furnace capable of co-producing hot oil and water vapour |
| WO2014161396A1 (en) * | 2013-04-03 | 2014-10-09 | 清华大学 | Circulating bed organic heat carrier furnace for co-producing hot oil and water vapour |
| WO2016078177A1 (en) * | 2014-11-19 | 2016-05-26 | 武汉江河长能源科技有限公司 | Biomass micron fuel high-temperature industrial boiler |
| CN107816801A (en) * | 2017-11-20 | 2018-03-20 | 江苏太湖锅炉股份有限公司 | π type fuel vapor organic heat carrier furnaces |
| CN109268811A (en) * | 2018-10-12 | 2019-01-25 | 扬州正宇锅炉有限公司 | A kind of step-by-step movement combined fire grate boiler |
| CN110220181A (en) * | 2019-06-05 | 2019-09-10 | 山东东能动力科技有限公司 | Organic heat carrier and the double heat supply working medium burning coal powder low emission boilers of steam and its method |
| CN110220181B (en) * | 2019-06-05 | 2024-02-09 | 山东东能动力科技有限公司 | Low-emission boiler for burning pulverized coal by using organic heat carrier and steam dual-heating working medium and method thereof |
| CN113983467A (en) * | 2021-12-09 | 2022-01-28 | 北京四维天拓技术有限公司 | Secondary air distribution device and heat conduction oil and steam co-production TFB gasification incinerator |
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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: 20130918 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |