CN201407639Y - Phase-change furnace for burning pulverized coal - Google Patents
Phase-change furnace for burning pulverized coal Download PDFInfo
- Publication number
- CN201407639Y CN201407639Y CN200820231119XU CN200820231119U CN201407639Y CN 201407639 Y CN201407639 Y CN 201407639Y CN 200820231119X U CN200820231119X U CN 200820231119XU CN 200820231119 U CN200820231119 U CN 200820231119U CN 201407639 Y CN201407639 Y CN 201407639Y
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- Prior art keywords
- heat exchanger
- phase
- steam generator
- change furnace
- combustion chamber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000003245 coal Substances 0.000 title claims abstract description 33
- 238000002485 combustion reaction Methods 0.000 claims abstract description 29
- 239000000779 smoke Substances 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000002893 slag Substances 0.000 abstract 2
- 239000002817 coal dust Substances 0.000 description 9
- 230000008676 import Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a phase-change furnace, in particular to a phase-change furnace for burning pulverized coal. The phase-change furnace comprises a steam generator, a heat exchanger, a pressure controller, a furnace wall, a combustion chamber, a hearth bottom plate, a slag pit, a burner port and a smoke outlet; wherein the upper part of the steam generator is sequentially provided withthe heat exchanger and the pressure controller; the lower side outside a shell of the steam generator is provided with the furnace wall, the internal space of which is the combustion chamber; the bottom of the combustion chamber is provided with the hearth bottom plate, and the slag pit is arranged at the lower part of the hearth bottom plate; and one side of the combustion chamber is provided with the burner port, and the other side thereof is provided with the smoke outlet. The phase-change furnace is characterized in that the burner port is externally connected with a pulverized coal burner. The structure of the phase-change furnace is suitable for taking the pulverized coal as fuel, utilizes the characteristics of small pulverized coal particles, rapid and complete combustion, high capacity and the like, and has the advantages of high thermal efficiency of combustion, low dust content of discharged smoke, no black smoke emission, simple structure, convenient operation, use and maintenance, safe and reliable running, low running cost and energy consumption.
Description
Technical field
The utility model relates to a kind of phase-change furnace, especially relates to a kind of phase-change furnace of combusting coal fines.
Background technology
The present boiler more than 85% of China is a coal-burning boiler, but it is not up to standard low with the thermal efficiency that traditional coal-burning boiler exists environmental protection always, the problem that energy consumption is high, therefore, the inaccurate coal-burning boiler that uses in urban district is all stipulated in domestic many big and medium-sized cities, can only use fuel oil, gas fired-boiler, and fuel oil, gas fired-boiler since the fuel cost height be difficult to large tracts of land and promote the use of.Coal dust firing is one of high performance clean burning mode of the coal of generally acknowledging, and its combustion thermal efficiency is usually more than 90%, even can reach 95%, is that other combustion system institute is unapproachable.The phase-change furnace that utilizes the manufacturing of phase transition of vacuum principle is a kind of thermal efficiency height, safe in utilization, Remarkable Energy Saving New-type boiler, and fuel does not still have the phase-change furnace of suitable combusting coal fines based on oil, gas, lump coal, smalls etc.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of rational in infrastructure, safety and environmental protection, energy-saving effect significantly, be fit to the phase-change furnace of the combusting coal fines of coal dust firing.
The utility model is realized in the following way:
A kind of phase-change furnace of combusting coal fines, comprise steam generator, steam generator top is provided with heat exchanger and pressure controller successively, the steam generator shell outer lower side is provided with furnace wall, and the furnace wall inner space is the combustion chamber, and the bottom, combustion chamber is provided with the burner hearth base plate, pit is established in burner hearth base plate bottom, combustion chamber one side is provided with port, and opposite side is provided with exhaust opening, it is characterized in that: the external coal burner of this port;
Upper space in described steam generator shell is a heat exchanger, is furnished with heat exchanger tube in the heat exchanger, and heat exchanger tube one end stretches out outside the steam generator shell, and described pressure controller is arranged on the top of described steam generator;
Top is connected with heat exchanger by tube connector outside described steam generator shell, is furnished with heat exchanger tube in the heat exchanger, and heat exchanger tube one end stretches out outside the steam generator shell, and described pressure controller is arranged on the top of heat exchanger;
The external deduster of described exhaust opening;
The external air-introduced machine of described deduster;
The external chimney of described air-introduced machine;
Described burner hearth base plate is the burner hearth base plate at band inclination angle.
The utility model has following effect:
The utility model provides a kind of phase-change furnace of combusting coal fines, solved that traditional coal-burning type boiler environmental protection is not up to standard, efficiency of combustion is low and the ever-increasing problem of traditional phase-change furnace burning cost, the employing steam generator is a main body, heat exchanger tube, furnace wall, combustion chamber are set, and the bottom, combustion chamber is provided with the burner hearth base plate at band inclination angle.Compared to existing technology, being fit to the coal dust on the utility model structure is fuel, utilize pulverized coal particle little, burning rapidly, fully, characteristics such as capacity is big, the combustion thermal efficiency height, the smoke evacuation dustiness is low, over-emitting black exhaust not, simple in structure, operation, use, easy to maintenance, safe and reliable to operation, operating cost, energy consumption are low.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the cut-away view of the utility model Fig. 1 along the A-A direction;
Fig. 3 is the structural representation of the utility model embodiment two;
Fig. 4 is the cut-away view of the utility model Fig. 3 along the A-A direction.
The specific embodiment
Embodiment one: a kind of phase-change furnace of combusting coal fines, comprise steam generator 1, steam generator 1 top is provided with heat exchanger 2 and pressure controller 4 successively, steam generator 1 hull outside downside is provided with furnace wall 7, furnace wall 7 inner spaces are combustion chamber 12,12 bottoms, combustion chamber are provided with burner hearth base plate 6, pit 11 is established in burner hearth base plate 6 bottoms, combustion chamber 12 1 sides are provided with port 10, opposite side is provided with exhaust opening 9, as illustrated in fig. 1 and 2: these port 10 external coal burners 16, upper space in described steam generator 1 housing is a heat exchanger 2, be furnished with heat exchanger tube 5 in the heat exchanger 2, heat exchanger tube 5 one ends stretch out outside steam generator 1 housing, and described pressure controller 4 is arranged on the top of described steam generator 1.Burner hearth base plate 6 is the burner hearth base plate at band inclination angle.
As shown in Figure 1, 2, the phase-change furnace of this combusting coal fines, main body is a steam generator 1, steam generator 1 housing internal upper part is provided with heat exchanger tube 5, steam generator 1 hull outside downside is provided with furnace wall 7, the inner space that furnace wall 7 and steam generator 1 bottom constitute is combustion chamber 12, and 12 bottoms, combustion chamber are provided with the burner hearth base plate 6 at band inclination angle, and pit 11 is established in burner hearth base plate 6 bottoms.Steam generator 1 top is provided with pressure controller 4, by the discharge of control steam, makes the steam generator 1 inner vacuum state that forms little negative pressure.Heat exchanger tube 5 is provided with import and outlet, and import and outlet are outside steam generator 1 housing.Combustion chamber 12 1 sides are provided with exhaust opening 9, can external chimney.
During work, the mixture of coal dust 17 and a wind 19 process such as separates out through preheating, drying, volatile matter, at distance coal burner 16 outlet a distance starting point fire burns after coal burner 16 enters combustion chamber 12.Coal dust 17 is under the secondary wind 20 of abundance is supported, the liquid working substance 18 in the burning heating steam generator 1 is discharged by pressure controller 4 behind the up formation pressure of steam that working medium 18 produces, and reaches the balance of internal pressure.Working medium exchanges in steam heat and the heat exchanger tube 5, is used by external equipment.The flue gas band the flying dust of coal dust afterburnt formation and is discharged from exhaust opening 9.The burning back thicker ash of sub-fraction particle forms lime-ash 8 and falls into pit 11, and is discarded.
Embodiment two:
A kind of phase-change furnace of combusting coal fines, comprise steam generator 1, steam generator 1 top is provided with heat exchanger 2 and pressure controller 4 successively, steam generator 1 hull outside downside is provided with furnace wall 7, furnace wall 7 inner spaces are combustion chamber 12,12 bottoms, combustion chamber are provided with burner hearth base plate 6, pit 11 is established in burner hearth base plate 6 bottoms, combustion chamber 12 1 sides are provided with port 10, opposite side is provided with exhaust opening 9, shown in Fig. 3 and 4: these port 10 external coal burners 16, top is connected with heat exchanger 2 by tube connector 3 outside described steam generator 1 housing, be furnished with heat exchanger tube 5 in the heat exchanger 2, heat exchanger tube 5 one ends stretch out outside steam generator 1 housing, and described pressure controller 4 is arranged on the top of heat exchanger 2, exhaust opening 9 external dedusters 13, deduster 13 external air-introduced machines 14, air-introduced machine 14 external chimneys 15.Burner hearth base plate 6 is the burner hearth base plate at band inclination angle.
The phase-change furnace of the combusting coal fines shown in Fig. 3,4, the external heat exchanger 2 in steam generator 1 top, heat exchanger tube 5 is arranged in the heat exchanger 2, heat exchanger tube 5 is provided with import and outlet, import and outlet are outside heat exchanger 2 housings, pressure controller 4 is arranged on heat exchanger 2 tops, heat exchanger 2 and steam generator 1 split setting, between tube connector 3 is set.Pressure controller 4 makes steam generator 1 and the heat exchanger 2 inner vacuum states that form little negative pressure by the discharge of control steam.Exhaust opening 9 external dedusters 13, deduster 13 external air-introduced machines 14, air-introduced machine 14 external chimneys 15.
During work, the mixture of coal dust 17 and a wind 19 process such as separates out through preheating, drying, volatile matter, at distance coal burner 16 outlet a distance starting point fire burns after coal burner 16 enters combustion chamber 12.Coal dust 17 is under the secondary wind 20 of abundance is supported, the liquid working substance 18 in the burning heating steam generator 1, the steam that liquid working substance 18 produces form and uply behind the pressure enter heat exchanger 2 by tube connector 3 and discharge by pressure controller 4, reach the balance of internal pressure.Steam heat and heat exchanger tube 5 interior working medium exchange in the heat exchanger 2, are used by external equipment.The flying dust that the flue gas band the formation of coal dust afterburnt enters deduster 13 from exhaust opening 9, the flying dust sedimentation, and flue gas is discharged along chimneys 15 through air-introduced machine 14 again.The burning back thicker ash of sub-fraction particle forms lime-ash 8 and falls into pit 11, and is discarded.
Claims (7)
1, a kind of phase-change furnace of combusting coal fines, comprise steam generator (1), steam generator (1) top is provided with heat exchanger (2) and pressure controller (4) successively, steam generator (1) hull outside downside is provided with furnace wall (7), furnace wall (7) inner space is combustion chamber (12), bottom, combustion chamber (12) is provided with burner hearth base plate (6), pit (11) is established in burner hearth base plate (6) bottom, combustion chamber (12) one sides are provided with port (10), opposite side is provided with exhaust opening (9), it is characterized in that: the external coal burner of this port (10) (16).
2, the phase-change furnace of combusting coal fines as claimed in claim 1, it is characterized in that: the upper space in described steam generator (1) housing is heat exchanger (2), be furnished with heat exchanger tube (5) in the heat exchanger (2), heat exchanger tube (5) one ends stretch out outside steam generator (1) housing, and described pressure controller (4) is arranged on the top of described steam generator (1).
3, the phase-change furnace of combusting coal fines as claimed in claim 1, it is characterized in that: top is connected with heat exchanger (2) by tube connector (3) outside described steam generator (1) housing, be furnished with heat exchanger tube (5) in the heat exchanger (2), heat exchanger tube (5) one ends stretch out outside steam generator (1) housing, and described pressure controller (4) is arranged on the top of heat exchanger (2).
4, as the phase-change furnace of claim 1 or 3 described combusting coal fines, it is characterized in that: the external deduster of described exhaust opening (9) (13).
5, the phase-change furnace of combusting coal fines as claimed in claim 4 is characterized in that: the external air-introduced machine of described deduster (13) (14).
6, the phase-change furnace of combusting coal fines as claimed in claim 5 is characterized in that: the external chimney of air-introduced machine (14) (15).
7, the phase-change furnace of combusting coal fines as claimed in claim 1 is characterized in that: described burner hearth base plate (6) is the burner hearth base plate at band inclination angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820231119XU CN201407639Y (en) | 2008-12-30 | 2008-12-30 | Phase-change furnace for burning pulverized coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820231119XU CN201407639Y (en) | 2008-12-30 | 2008-12-30 | Phase-change furnace for burning pulverized coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201407639Y true CN201407639Y (en) | 2010-02-17 |
Family
ID=41678573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200820231119XU Expired - Fee Related CN201407639Y (en) | 2008-12-30 | 2008-12-30 | Phase-change furnace for burning pulverized coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201407639Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748744A (en) * | 2012-08-02 | 2012-10-24 | 宁夏三新热超导技术有限公司 | Multi-well-mouth single body assembled type natural gas heating furnace |
| CN112121553A (en) * | 2020-09-03 | 2020-12-25 | 刘思达 | High-efficiency environment-friendly coal-fired power generation device |
-
2008
- 2008-12-30 CN CN200820231119XU patent/CN201407639Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748744A (en) * | 2012-08-02 | 2012-10-24 | 宁夏三新热超导技术有限公司 | Multi-well-mouth single body assembled type natural gas heating furnace |
| CN112121553A (en) * | 2020-09-03 | 2020-12-25 | 刘思达 | High-efficiency environment-friendly coal-fired power generation device |
| CN112121553B (en) * | 2020-09-03 | 2022-02-25 | 烟台亿通生物能源有限公司 | High-efficiency environment-friendly coal-fired power generation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160422 Address after: 750001 No. 6 road, hi tech Industrial Development Zone, the Ningxia Hui Autonomous Region, Yinchuan Patentee after: Ningxia Sanxin vacuum boiler manufacturing Co., Ltd. Address before: 750002 the Ningxia Hui Autonomous Region Fuan Yinchuan city high tech Industrial Development Zone Lane new building Patentee before: Sanxin Heat Superconduction Technology Co., Ltd., Ningxia |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20171230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |