CN202371880U - Novel water coal slurry-fired organic heat transfer material heater - Google Patents
Novel water coal slurry-fired organic heat transfer material heater Download PDFInfo
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- CN202371880U CN202371880U CN2011205333722U CN201120533372U CN202371880U CN 202371880 U CN202371880 U CN 202371880U CN 2011205333722 U CN2011205333722 U CN 2011205333722U CN 201120533372 U CN201120533372 U CN 201120533372U CN 202371880 U CN202371880 U CN 202371880U
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- furnace
- hearth
- wind
- collet
- burner
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- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses a novel water coal slurry-fired organic heat transfer material heater, which comprises a heater foundation, heater walls, a heater body, outer guard plates, a steel frame and platform ladders. The heater body comprises a hearth, an ash outlet system of a cold ash hopper, an oil cooling system, a convection bank, an air flue and an air pre-heater, wherein the hearth is enclosed by a front wall, a left sidewall, a right sidewall and a rear wall; a turbulent burner is arranged on the front wall of the hearth; distances between the turbulent burner and the hearth and between the turbulent burner and the upper edge of the cold ash hopper are greater than the flame airflow width of the turbulent burner; the distribution of the turbulent burner is matched with the shape of the hearth; the hearth is provided with a lower hearth secondary air device; and each of the left sidewall, right sidewall and rear wall of the hearth is provided with a hearth soot blower. The novel water coal slurry-fired organic heat transfer material heater has the advantages that: ash at the heater floor of a combustion chamber is greatly reduced, the heater floor is difficultly coked, and the mechanical incomplete combustion heat loss of the heater is lowered; and water coal slurry is stably combusted and rapidly ignited in the heater, and a burnout ratio is greatly increased.
Description
Technical field
The utility model relates to a kind of novel combusting coal water slurry organic heat carrier furnace.
Background technology
At present, the combusting coal water slurry organic heat carrier furnace is mainly the assembled disc tubular construction.One of which dispatches from the factory from equipment and to say in form, for the upper and lower two big parts assemblings of boiler main frame are dispatched from the factory; Because of receiving effects limit such as lifting, transportation; It is limited to transport big part appearance and size, its two, say stove from performance structure; (1) this structure is only simply applied mechanically common combustion coal chain boiler, causes and can not carry out design arrangement according to the characteristics of coal water slurry fuel burning; (2) burner hearth then is horizontal, the horizontal flame stroke, and long flame travel makes furnace bottom ash and pulverized coal particle at furnace bottom and inferior burning; Cause coking problem, and combustion space is little, is unfavorable for fully burning of water-coal-slurry; Near and high-temperature flue gas makes discharging defective, does not reach the prerequisite of environmental requirement; (3) also aspect burner arrangement more be adopted as the front wall double burner and arrange up and down, and the burner of arranging up and down causes flame to burn partially easily, the flame of a side touches the wall coking, and this burner arrangement make install, all inconvenience of operation; (4) burner hearth ash discharge mode adopts at the bottom of the open hearth, and at the bottom of burner hearth was open hearth, area was big, and the furnace bottom lime-ash is many.Furnace bottom lime-ash end user worker hugs ash, turns over ash, washes in a pan slag with rake the furnace bottom lime-ash is pushed several ash-falling holes, and the stoker works greatly, and condition of work is abominable, and furnace bottom does not have heating surface; Lime-ash is very easily coking under the condition of burner hearth high temperature, and the lime-ash after the coking can't go out clearly at the bottom of burner hearth, make boiler can't be continuously operation normally, flame kernel from the ash-falling hole water surface near (＜2m); Temperature is high, and artificial ash poking under hot conditions can injure the refractory material of burner hearth furnace bottom; Furnace bottom is fragile, the captain that slags tap (＞9m), and major part is immersed in the water; Condition of work is abominable, and equipment dependability is poor, and the maintenance difficulty; (5) also do not have the design of secondary wind on the horizontal assembling furnace structure, can not guarantee that the burning of water-coal-slurry in stove is to stablize, fast, promptly burnout rate can not get improving, and also makes furnace bottom coking situation can not get improving, and the heat loss due to combustibles in refuse of boiler improves; (6) burner hearth internal heating surface pipe is a level trend, cause tube wall to be prone to be stained with ash, dust stratification, heating surface and be prone to pollute and reduce boiler efficiency, and the whole coil pipe of heating surface, solid matter and do not have the gap with furnace wall makes and has no idea its heating surface is overhauled.
Summary of the invention
The utility model has proposed a kind of novel combusting coal water slurry organic heat carrier furnace to the defective of assembling at present on the coil pipe combusting coal water slurry organic heat carrier furnace structural behaviour.
The described novel combusting coal water slurry organic heat carrier furnace of the utility model; Comprise boiler foundation, furnace wall, body of heater, outer casing, steelframe, platform staircase; It is characterized in that: described body of heater comprises that burner hearth, furnace hopper go out ash system, overfire air device, oil cooling system, convection bank, cigarette air channel, air preheater; Described burner hearth is become by front wall, left side wall, right-side wall and back circummure; Said burner hearth front wall is provided with turbulent burner, and the distance of the upper edge of described turbulent burner and burner hearth and said furnace hopper is greater than the flame flow width of said turbulent burner, the distribution of described turbulent burner and the form fit of burner hearth; Said burner hearth is provided with the lower furnace overfire air device; Left side wall, right-side wall and the back side wall of said burner hearth are arranged hearth soot blower respectively;
Described furnace hopper goes out ash system and comprises the furnace hopper that is connected burner hearth bottom, it is characterized in that: said furnace hopper by around side wall surround, said furnace hopper bottom is provided with mucking machine; Said furnace hopper left and right sides side wall is furnished with left and right water screen tube and rear water wall pipe respectively with the back wall;
Described hearth soot blower comprises the computer of soot blower and control soot blower selective sootblowing, and described soot blower is installed in the left and right sides side wall and the Hou Qiang of burner hearth, and blows grey sleeve pipe and be communicated with described burner hearth through said; The computer of said control soot blower selective sootblowing is according to the program of the setting commands for controlling soot blower selective sootblowing of giving an order;
Described lower furnace overfire air device comprises collet wind apparatus, roof pressure wind apparatus and high pressure positive blower; It is characterized in that: said collet wind apparatus is made up of collet wind nozzle and collet airduct; Said roof pressure wind apparatus is made up of roof pressure wind nozzle and roof pressure airduct; Some said collet wind nozzles, some said roof pressure wind nozzles are installed in the inside of lower furnace, and said collet wind arrangement of nozzles is in furnace hopper import department, and wall after blowing to; Said lower furnace outlet corresponding back wall displacement design bridge of the nose shape structure; Said roof pressure wind arrangement of nozzles and blows to front wall on the said bridge of the nose shape structure near lower furnace outlet; On said collet airduct and the said roof pressure airduct first volume damper, second volume damper are set respectively; Described high pressure positive blower is positioned at the outside of said lower furnace, is communicated with described collet wind nozzle, said roof pressure wind nozzle through described collet airduct, said roof pressure airduct respectively.
The number of said turbulent burner is more than or equal to 1; When the number of said turbulent burner during greater than platform, said turbulent burner is symmetrically distributed along the burner hearth central shaft, and is on the same horizontal plane.
The number of said turbulent burner is during greater than 1, and the air-flow rotation direction of described turbulent burner that is positioned at the left side is for counterclockwise, and the air-flow rotation direction that is positioned at the said turbulent burner on right side is a clockwise direction.
The flame kernel that said rotary burner produces leaves the ash-falling hole water surface distance greater than 4.2 meters.
Wall is horizontal by 55 ° of angles around the said furnace hopper.
Said mucking machine is a scraper-type, and length is less than 3 meters.
Said water screen tube vertically is provided with.
Said collet wind nozzle horizontal arrangement, said roof pressure wind nozzle is along said bridge of the nose shape structure distribution.
Described collet wind nozzle upwards is 10 ° of angles with horizontal line; Said collet wind air quantity accounts for 8%～10% of total blast volume, described collet wind jet expansion wind speed 30～35m/s.
Said roof pressure wind nozzle downwards and horizontal line be 10 ° of angles; Said roof pressure wind air quantity accounts for 8%～10% of total blast volume, said roof pressure wind jet expansion wind speed 30～35m/s.
The beneficial effect of the utility model is: 1) can reduce " conglomeration pulverized coal particle " sedimentation at burner hearth bottom, reduce the coking problem that furnace bottom ash and pulverized coal particle cause in the furnace bottom second-time burning; Flue gas is long flow path in burner hearth, and combustion space is big, is beneficial to the abundant after-flame of water-coal-slurry, thereby improves boiler thermal output; 2) burner horizontal arrangement guarantees that flame does not touch wall; 3) can not need manually-operated ground that lime-ash in the burner hearth is discharged automatically, continuously; 4) combustion chamber stove bottom ash slag significantly reduces, and furnace bottom is difficult for coking, and the heat loss due to combustibles in refuse of boiler reduces; Water-coal-slurry is more stablized, is caught fire more fast in the stove internal combustion, burn-off rate is greatly improved; 5) tube wall is difficult for station ash, dust stratification, and heating surface is difficult for polluting and improves boiler efficiency, makes burner hearth be difficult for coking.
Description of drawings
Fig. 1 is that the overall structure sketch map of the utility model is (with YLJ-12000J (1000 * 10
4Kcal/h) be example)
Fig. 2 is that the cutaway view of the utility model is (with YLJ-12000J (1000 * 10
4Kcal/h) be example)
The specific embodiment
Further specify the utility model below in conjunction with accompanying drawing
With reference to accompanying drawing:
The described novel combusting coal water slurry organic heat carrier furnace of the utility model; Comprise boiler foundation, furnace wall, body of heater 1, outer casing, steelframe 2, platform staircase 3; Described body of heater 1 comprises that burner hearth 11, furnace hopper go out ash system 12, oil cooling system 13, convection bank 14, cigarette air channel, air preheater; Described burner hearth 11 is become by front wall, left side wall, right-side wall and back circummure; Said burner hearth 11 front walls are provided with turbulent burner 111, and the distance of the upper edge of described turbulent burner 111 and burner hearth 11 and said furnace hopper 121 is greater than the flame flow width of said turbulent burner 111, the form fit of the distribution of described turbulent burner 111 and burner hearth 11; Said burner hearth 11 is provided with lower furnace overfire air device 112; Left side wall, right-side wall and the back side wall of said burner hearth 11 are arranged hearth soot blower respectively;
Described furnace hopper goes out ash system 12 and comprises the furnace hopper 121 that is connected burner hearth 11 bottoms, it is characterized in that: said furnace hopper 121 by around side wall surround, said furnace hopper 121 bottoms are provided with mucking machine 1211; Said furnace hopper 121 left and right sides side walls are furnished with left and right water screen tube and rear water wall pipe respectively with the back wall;
Described hearth soot blower comprises the computer of soot blower and control soot blower selective sootblowing, and described soot blower is installed in the left and right sides side wall and the Hou Qiang of burner hearth, and blows grey sleeve pipe and be communicated with described burner hearth through said; The computer of said control soot blower selective sootblowing is according to the program of the setting commands for controlling soot blower selective sootblowing of giving an order;
Described lower furnace overfire air device 113 comprises collet wind apparatus 1131, roof pressure wind apparatus 1132 and high pressure positive blower 1133; It is characterized in that: said collet wind apparatus 1131 is made up of collet wind nozzle and collet airduct; Said roof pressure wind apparatus 1132 is made up of roof pressure wind nozzle and roof pressure airduct; Some said collet wind nozzles, some said roof pressure wind nozzles are installed in the inside of lower furnace, and said collet wind arrangement of nozzles is in furnace hopper 121 import departments, and wall after blowing to; Said lower furnace outlet corresponding back wall displacement design bridge of the nose shape structure; Said roof pressure wind arrangement of nozzles and blows to front wall on the said bridge of the nose shape structure near lower furnace outlet; On said collet airduct and the said roof pressure airduct first volume damper, second volume damper are set respectively; Described high pressure positive blower 1133 is positioned at the outside of said lower furnace, is communicated with described collet wind nozzle, said roof pressure wind nozzle through described collet airduct, said roof pressure airduct respectively.
The number of said turbulent burner 111 is more than or equal to 1; When the number of said turbulent burner 111 during greater than platform, said turbulent burner 111 is symmetrically distributed along burner hearth 11 central shafts, and is on the same horizontal plane.
The number of said turbulent burner 111 is during greater than 1, and the air-flow rotation direction of described turbulent burner 111 that is positioned at the left side is for counterclockwise, and the air-flow rotation direction that is positioned at the said turbulent burner 112 on right side is a clockwise direction.
The flame kernel that said rotary burner 111 produces leaves the ash-falling hole water surface distance greater than 4.2 meters.
Wall is horizontal by 55 ° of angles around the said furnace hopper 121.
Said mucking machine 1211 is a scraper-type, and length is less than 3 meters.
Said water screen tube vertically is provided with.
Said collet wind nozzle horizontal arrangement, said roof pressure wind nozzle is along said bridge of the nose shape structure distribution.
Described collet wind nozzle upwards is 10 ° of angles with horizontal line; Said collet wind air quantity accounts for 8%～10% of total blast volume, described collet wind jet expansion wind speed 30～35m/s.
Said roof pressure wind nozzle downwards and horizontal line be 10 ° of angles; Said roof pressure wind air quantity accounts for 8%～10% of total blast volume, said roof pressure wind jet expansion wind speed 30～35m/s.
The described content of this specification embodiment only is enumerating the way of realization of utility model design; Should not being regarded as of the protection domain of the utility model only limits to the concrete form that embodiment states, the protection domain of the utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.
Claims (10)
1. novel combusting coal water slurry organic heat carrier furnace; Comprise boiler foundation, furnace wall, body of heater, outer casing, steelframe, platform staircase; It is characterized in that: described body of heater comprises that burner hearth, furnace hopper go out ash system, oil cooling system, convection bank, cigarette air channel, air preheater; Described burner hearth is become by front wall, left side wall, right-side wall and back circummure; Said burner hearth front wall is provided with turbulent burner, and the distance of the upper edge of described turbulent burner and burner hearth and said furnace hopper is greater than the flame flow width of said turbulent burner, the distribution of described turbulent burner and the form fit of burner hearth; Said burner hearth is provided with the lower furnace overfire air device; Left side wall, right-side wall and the back side wall of said burner hearth are arranged hearth soot blower respectively;
Described furnace hopper goes out ash system and comprises the furnace hopper that is connected burner hearth bottom, it is characterized in that: said furnace hopper by around side wall surround, said furnace hopper bottom is provided with mucking machine; Said furnace hopper left and right sides side wall is furnished with left and right water screen tube and rear water wall pipe respectively with the back wall;
Described hearth soot blower comprises the computer of soot blower and control soot blower selective sootblowing, and described soot blower is installed in the left and right sides side wall and the Hou Qiang of burner hearth, and blows grey sleeve pipe and be communicated with described burner hearth through said; The computer of said control soot blower selective sootblowing is according to the program of the setting commands for controlling soot blower selective sootblowing of giving an order;
Described lower furnace overfire air device comprises collet wind apparatus, roof pressure wind apparatus and high pressure positive blower; It is characterized in that: said collet wind apparatus is made up of collet wind nozzle and collet airduct; Said roof pressure wind apparatus is made up of roof pressure wind nozzle and roof pressure airduct; Some said collet wind nozzles, some said roof pressure wind nozzles are installed in the inside of lower furnace, and said collet wind arrangement of nozzles is in furnace hopper import department, and wall after blowing to; Said lower furnace outlet corresponding back wall displacement design bridge of the nose shape structure; Said roof pressure wind arrangement of nozzles and blows to front wall on the said bridge of the nose shape structure near lower furnace outlet; On said collet airduct and the said roof pressure airduct first volume damper, second volume damper are set respectively; Described high pressure positive blower is positioned at the outside of said lower furnace, is communicated with described collet wind nozzle, said roof pressure wind nozzle through described collet airduct, said roof pressure airduct respectively.
2. novel combusting coal water slurry organic heat carrier furnace as claimed in claim 1, it is characterized in that: the number of said turbulent burner is more than or equal to 1; When the number of said turbulent burner during greater than platform, said turbulent burner is symmetrically distributed along the burner hearth central shaft, and is on the same horizontal plane.
3. novel combusting coal water slurry organic heat carrier furnace as claimed in claim 2; It is characterized in that: the number of said turbulent burner is during greater than 1; The air-flow rotation direction that is positioned at the described turbulent burner in left side is counter clockwise direction, and the air-flow rotation direction that is positioned at the said turbulent burner on right side is a clockwise direction.
4. novel combusting coal water slurry organic heat carrier furnace as claimed in claim 3 is characterized in that: the flame kernel that said rotary burner produces leaves the ash-falling hole water surface distance greater than 4.2 meters.
5. novel combusting coal water slurry organic heat carrier furnace as claimed in claim 1 is characterized in that: wall is horizontal by 55 ° of angles around the said furnace hopper.
6. novel combusting coal water slurry organic heat carrier furnace as claimed in claim 5 is characterized in that: said mucking machine is a scraper-type, and length is less than 3 meters.
7. novel combusting coal water slurry organic heat carrier furnace as claimed in claim 6, it is characterized in that: said water screen tube vertically is provided with.
8. novel combusting coal water slurry organic heat carrier furnace as claimed in claim 1 is characterized in that: said collet wind nozzle horizontal arrangement, said roof pressure wind nozzle is along said bridge of the nose shape structure distribution.
9. novel combusting coal water slurry organic heat carrier furnace as claimed in claim 8 is characterized in that: described collet wind nozzle upwards is 10 ° of angles with horizontal line; Said collet wind air quantity accounts for 8%～10% of total blast volume, described collet wind jet expansion wind speed 30～35m/s.
10. novel combusting coal water slurry organic heat carrier furnace as claimed in claim 9 is characterized in that: said roof pressure wind nozzle downwards and horizontal line be 10 ° of angles; Said roof pressure wind air quantity accounts for 8%～10% of total blast volume, said roof pressure wind jet expansion wind speed 30～35m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205333722U CN202371880U (en) | 2011-12-19 | 2011-12-19 | Novel water coal slurry-fired organic heat transfer material heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205333722U CN202371880U (en) | 2011-12-19 | 2011-12-19 | Novel water coal slurry-fired organic heat transfer material heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202371880U true CN202371880U (en) | 2012-08-08 |
Family
ID=46595579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205333722U Withdrawn - After Issue CN202371880U (en) | 2011-12-19 | 2011-12-19 | Novel water coal slurry-fired organic heat transfer material heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202371880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455057A (en) * | 2011-12-19 | 2012-05-16 | 浙江先创新能源技术开发有限公司 | Novel water-coal-slurry fired organic heat carrier boiler |
| CN105114976A (en) * | 2015-08-19 | 2015-12-02 | 中国能源建设集团天津电力建设有限公司 | Front-back water cooled wall reverse carrying hoisting method for dry bottom hopper section |
-
2011
- 2011-12-19 CN CN2011205333722U patent/CN202371880U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455057A (en) * | 2011-12-19 | 2012-05-16 | 浙江先创新能源技术开发有限公司 | Novel water-coal-slurry fired organic heat carrier boiler |
| CN102455057B (en) * | 2011-12-19 | 2014-09-17 | 浙江先创新能源技术开发有限公司 | Novel water-coal-slurry fired organic heat carrier boiler |
| CN105114976A (en) * | 2015-08-19 | 2015-12-02 | 中国能源建设集团天津电力建设有限公司 | Front-back water cooled wall reverse carrying hoisting method for dry bottom hopper section |
| CN105114976B (en) * | 2015-08-19 | 2017-08-29 | 中国能源建设集团天津电力建设有限公司 | Water-cooling wall has reversely removed hanging method before and after furnace hopper section |
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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: 20120808 Effective date of abandoning: 20140917 |
|
| RGAV | Abandon patent right to avoid regrant |