CN105180438A - Coal powder burning organic heat carrier boiler - Google Patents
Coal powder burning organic heat carrier boiler Download PDFInfo
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- CN105180438A CN105180438A CN201510696748.4A CN201510696748A CN105180438A CN 105180438 A CN105180438 A CN 105180438A CN 201510696748 A CN201510696748 A CN 201510696748A CN 105180438 A CN105180438 A CN 105180438A
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- burning coal
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Abstract
The invention provides a coal powder burning organic heat carrier boiler which comprises a lower hearth, an upper hearth, a convection region and a waste heat boiler. The coal powder burning organic heat carrier boiler is characterized in that the length of the lower hearth is smaller than the length of flame of a burning region, one side of the lower hearth is provided with an air feeding device, the flame of the burning region is bent to be in an L shape, the cross section of a heat exchange region of the lower hearth is in a U shape, a double-rectangular-coil structure is adopted for the upper hearth, the upper hearth is provided with two rectangular coil assemblies of the same shape and size, the convection region is formed by connecting three sets of coils in parallel, the upper portion of the waste heat boiler is provided with a flue gas collection region, and the cross section of the flue gas collection region is circular and gradually increased from top to bottom.
Description
Technical field
The invention belongs to field of boilers, specifically a kind of organic heat carrier boiler for burning coal powder.
Background technology
Boiler is a kind of energy conversion, and the energy to boiler input has chemical energy, electric energy in fuel, and boiler exports steam, high-temperature water or the organic heat carrier with certain heat energy.The original meaning of pot refers to the water container heated on fire, and stove refers to the place of combustion fuel, and boiler comprises pot and stove two large divisions.The hot water produced in boiler or steam directly for industrial production and people's lives provide required heat energy, also can be converted to mechanical energy by Steam Power Equipment, or by generator, mechanical energy are converted to electric energy again.There is provided the boiler of hot water to be called hot-water boiler, be mainly used in life, in industrial production, also have a small amount of application.The boiler producing steam is called steam boiler, often referred to as boiler, is used for thermal power station, boats and ships, locomotive and industrial and mining enterprises.
Burner hearth is surrounded by furnace wall the solid space supplying fuel combustion.The effect of burner hearth ensures that fuel burns as much as possible, and the temperature making flue gas temperature of hearth outlet be cooled to convection heating surface trouble free service to allow.For this reason, burner hearth should have enough spaces, and arranges enough heating surfaces.In addition, rational shape and size should be had so that and burner coordinate, organize Furnace Aerodynamic Field, make flame not adherent, do not rush wall, degree of filling is high, wall thermic load is even.
Waste heat boiler is a part for boiler, refers to that the heat produced after utilizing the waste heat in the waste gas in various industrial process, waste material or waste liquid and combustible burning thereof is heated to water in the boiler of uniform temperature.There is smoke box, oil burning boiler that flue residue heat is recycled, gas fired-boiler, coal-burning boiler also referred to as waste heat boiler, waste heat boiler can be produced hot water or steam by waste heat recovery and supply other workshop section and use.
Common boiler has following shortcoming: furnace flame is all rectilinear, and burner hearth length is long, and floor space is large, and combustion space is little, and flame combustion is abundant not; Space utilization is abundant not, and radiation heat transfer is inadequate, and furnace exit temperature is too high; Heating surface area is large not, and overall volume is large, and body frame is stable not; Convective region is all adopt cascaded structure, and media flow is even not, arranges compact not; Exhaust-heat boiler flue gas flowing is uneven, and resistance is large, and heat exchange is insufficient.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of organic heat carrier boiler for burning coal powder.
A kind of organic heat carrier boiler for burning coal powder, comprise lower furnace, upper furnace, convective region, waste heat boiler, it is characterized in that the length of lower furnace is less than the length of combustion zone flame, the side of lower furnace is provided with air supply plant, make combustion zone bended by blaze L-shaped, the cross section of the heat transfer zone of lower furnace is U-shaped, upper furnace adopts the coil arrangement of double square, upper furnace is provided with the identical rectangle coil pack of two shape sizes, convective region is formed in parallel by three groups of coil pipes, the top of waste heat boiler is provided with fume collection district, the circular in cross-section in described fume collection district, and increase gradually from top to bottom.
Described a kind of organic heat carrier boiler for burning coal powder, is characterized in that being close in dense distribution between the heat transfer zone pipeline of lower furnace and pipeline.
Described a kind of organic heat carrier boiler for burning coal powder, is characterized in that described two rectangle coil packs are symmetric in upper furnace.
Described a kind of organic heat carrier boiler for burning coal powder, is characterized in that convective region is often organized coil pipe and is formed in parallel by two-tube respectively.
Described a kind of organic heat carrier boiler for burning coal powder, it is characterized in that convective region is often organized coil pipe and is made up of two coil packs respectively, each coil pack forms parallel-connection structure respectively by pipeline and house steward
Described a kind of organic heat carrier boiler for burning coal powder, is characterized in that two, convective region coil pack is symmetric.
Described a kind of organic heat carrier boiler for burning coal powder, is characterized in that the heat transfer zone bottom fume collection district is alveolate texture.
Described a kind of organic heat carrier boiler for burning coal powder, is characterized in that the body arranged outside of waste heat boiler has heat-insulation layer.
Described a kind of organic heat carrier boiler for burning coal powder, is characterized in that the top of waste heat boiler is provided with atmospheric valve and safety valve.
Described a kind of organic heat carrier boiler for burning coal powder, is characterized in that the side bottom of waste heat boiler is provided with blowoff valve interface.
Organic heat carrier boiler for burning coal powder of the present invention, decreases burner hearth length, reduces floor space; Stretching combustion space, flame combustion is abundant; Lower furnace structure, adopts U-shaped heat transfer zone structure, takes full advantage of space, and strengthening radiation heat transfer, reduces furnace exit temperature; Upper furnace structure, adopts the coil arrangement of double square, increases by 1/3 heating surface area, reduce overall volume; Make body frame more stable; Convective region structure, have employed novel large parallel connection and little parallel-connection structure, and make media flow more even, characteristics of compact layout, decreases floor space; Waste heat boiler adopts special fume collection plot structure and heat transfer zone structure, and make flow of flue gas even, resistance is little, and heat exchange is abundant, compact conformation.
Accompanying drawing explanation
Fig. 1 is general front view of the present invention;
Fig. 2 is overall side view of the present invention;
Fig. 3 is lower furnace sectional view of the present invention;
Fig. 4 is upper furnace sectional view of the present invention;
Fig. 5 is convective region of the present invention schematic diagram;
Fig. 6 is furnace wall combustion zone of the present invention schematic diagram;
Fig. 7 is waste heat boiler side view of the present invention;
Fig. 8 is waste heat boiler top view of the present invention;
In figure, 1-outlet header; 2-steel plate; 3-pipe; 4-gather header; 5-bend pipe A; 6-tube connector; 7-bend pipe B; 8-bend pipe C; 9-bend pipe D; 10-bend pipe E; 11-bend pipe F; 12-left coil pack; 13-left side wall; 14-right coil pack; 15-right side wall; 16-rear wall; 17-convective region; 18-body; 19-heat-insulation layer; 20-fume collection district; 21-atmospheric valve; 22-safety valve; 23-blowoff valve interface.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
A kind of organic heat carrier boiler for burning coal powder of the present invention, comprises lower furnace, upper furnace, convective region, waste heat boiler.As shown in Figure 6, the length of lower furnace is less than the length of combustion zone flame, and the side of lower furnace is provided with air supply plant, makes combustion zone bended by blaze L-shaped, decreases burner hearth length, reduce floor space; Stretching combustion space, flame combustion is abundant.As shown in Figure 3, the cross section of the heat transfer zone of lower furnace is U-shaped, is close in dense distribution, takes full advantage of space between the heat transfer zone pipeline of lower furnace and pipeline, and strengthening radiation heat transfer, reduces furnace exit temperature; As shown in Figure 4, upper furnace adopts the coil arrangement of double square, and upper furnace is provided with the identical rectangle coil pack of two shape sizes, and two rectangle coil packs are symmetric in upper furnace, increase by 1/3 heating surface area, reduce overall volume; Make body frame more stable; As shown in Figure 5, convective region is formed in parallel by three groups of coil pipes, often organize coil pipe to be formed in parallel by two-tube respectively, often organize coil pipe to be made up of two symmetrical coil packs respectively, each coil pack forms parallel-connection structure respectively by pipeline and house steward, convective region structure, have employed novel large parallel connection and little parallel-connection structure, make media flow more even, characteristics of compact layout, decreases floor space; As shown in Figure 7 and Figure 8, the top of waste heat boiler is provided with fume collection district, the circular in cross-section in described fume collection district, and increase gradually from top to bottom, heat transfer zone bottom fume collection district is alveolate texture, the body arranged outside of waste heat boiler has heat-insulation layer, the top of waste heat boiler is provided with atmospheric valve and safety valve, the side bottom of waste heat boiler is provided with blowoff valve interface, waste heat boiler adopts special fume collection plot structure and heat transfer zone structure, and make flow of flue gas even, resistance is little, heat exchange is abundant, compact conformation.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., be all included within protection scope of the present invention.
Claims (10)
1. an organic heat carrier boiler for burning coal powder, comprise lower furnace, upper furnace, convective region, waste heat boiler, it is characterized in that the length of lower furnace is less than the length of combustion zone flame, the side of lower furnace is provided with air supply plant, make combustion zone bended by blaze L-shaped, the cross section of the heat transfer zone of lower furnace is U-shaped, upper furnace adopts the coil arrangement of double square, upper furnace is provided with the identical rectangle coil pack of two shape sizes, convective region is formed in parallel by three groups of coil pipes, the top of waste heat boiler is provided with fume collection district, the circular in cross-section in described fume collection district, and increase gradually from top to bottom.
2. a kind of organic heat carrier boiler for burning coal powder as claimed in claim 1, is characterized in that being close in dense distribution between the heat transfer zone pipeline of lower furnace and pipeline.
3. a kind of organic heat carrier boiler for burning coal powder as claimed in claim 1, is characterized in that described two rectangle coil packs are symmetric in upper furnace.
4. a kind of organic heat carrier boiler for burning coal powder as claimed in claim 1, is characterized in that convective region is often organized coil pipe and is formed in parallel by two-tube respectively.
5. a kind of organic heat carrier boiler for burning coal powder as claimed in claim 1, it is characterized in that convective region is often organized coil pipe and is made up of two coil packs respectively, each coil pack forms parallel-connection structure respectively by pipeline and house steward.
6. a kind of organic heat carrier boiler for burning coal powder as claimed in claim 1, is characterized in that two, convective region coil pack is symmetric.
7. a kind of organic heat carrier boiler for burning coal powder as claimed in claim 1, is characterized in that the heat transfer zone bottom fume collection district is alveolate texture.
8. a kind of organic heat carrier boiler for burning coal powder as claimed in claim 1, is characterized in that the body arranged outside of waste heat boiler has heat-insulation layer.
9. a kind of organic heat carrier boiler for burning coal powder as claimed in claim 1, is characterized in that the top of waste heat boiler is provided with atmospheric valve and safety valve.
10. a kind of organic heat carrier boiler for burning coal powder as claimed in claim 1, is characterized in that the side bottom of waste heat boiler is provided with blowoff valve interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510696748.4A CN105180438B (en) | 2015-10-26 | 2015-10-26 | Organic heat carrier boiler for burning coal powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510696748.4A CN105180438B (en) | 2015-10-26 | 2015-10-26 | Organic heat carrier boiler for burning coal powder |
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| CN105180438A true CN105180438A (en) | 2015-12-23 |
| CN105180438B CN105180438B (en) | 2017-09-05 |
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| CN201510696748.4A Active CN105180438B (en) | 2015-10-26 | 2015-10-26 | Organic heat carrier boiler for burning coal powder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106016224A (en) * | 2016-06-30 | 2016-10-12 | 克雷登热能设备(浙江)有限公司 | Steam generator with water volume not exceeding 30 L |
| CN108917430A (en) * | 2018-09-14 | 2018-11-30 | 常州联合锅炉容器有限公司 | The urgent cooler of hot oil |
| CN110174020A (en) * | 2019-05-28 | 2019-08-27 | 山东大学 | A kind of heat exchanger of unsymmetrical arrangement |
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| CN205090613U (en) * | 2015-10-26 | 2016-03-16 | 浙江特富锅炉有限公司 | Coal -fired powder organic heat carrier boiler |
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2015
- 2015-10-26 CN CN201510696748.4A patent/CN105180438B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB631529A (en) * | 1946-01-04 | 1949-11-04 | Babcock & Wilcox Ltd | Improvements in or relating to vapour generators |
| CN201193817Y (en) * | 2008-04-15 | 2009-02-11 | 青岛海众锅炉有限公司 | Vertical coal water slurry industry boiler |
| 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 |
| CN202884878U (en) * | 2012-04-17 | 2013-04-17 | 中国联合水泥集团有限公司南阳分公司 | Waste heat boiler heat exchange tube bundle anti-abrasion device |
| CN203203243U (en) * | 2013-02-07 | 2013-09-18 | 杭州燃油锅炉有限公司 | Vertical coal dust organic heat carrier boiler |
| CN103822357A (en) * | 2014-03-21 | 2014-05-28 | 浙江锅炉有限公司 | Horizontal pulverized coal organic heat carrier boiler |
| CN104697170A (en) * | 2015-03-25 | 2015-06-10 | 广州迪森热能技术股份有限公司 | Biomass double square coil pipe heat conduction oil furnace |
| CN205090613U (en) * | 2015-10-26 | 2016-03-16 | 浙江特富锅炉有限公司 | Coal -fired powder organic heat carrier boiler |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016224A (en) * | 2016-06-30 | 2016-10-12 | 克雷登热能设备(浙江)有限公司 | Steam generator with water volume not exceeding 30 L |
| CN108917430A (en) * | 2018-09-14 | 2018-11-30 | 常州联合锅炉容器有限公司 | The urgent cooler of hot oil |
| CN110174020A (en) * | 2019-05-28 | 2019-08-27 | 山东大学 | A kind of heat exchanger of unsymmetrical arrangement |
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| Publication number | Publication date |
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| CN105180438B (en) | 2017-09-05 |
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Address after: 314423, Kai Feng Road 36, hi tech Zone, Changan Town, Jiaxing, Zhejiang, Haining Patentee after: Zhejiang Tefu Development Co., Ltd Address before: 314423, Kai Feng Road 36, hi tech Zone, Changan Town, Jiaxing, Zhejiang, Haining Patentee before: ZHEJIANG TUFF BOILER Co.,Ltd. |