CN105004043A - Entrained flow bed hot water boiler - Google Patents
Entrained flow bed hot water boiler Download PDFInfo
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- CN105004043A CN105004043A CN201510422695.7A CN201510422695A CN105004043A CN 105004043 A CN105004043 A CN 105004043A CN 201510422695 A CN201510422695 A CN 201510422695A CN 105004043 A CN105004043 A CN 105004043A
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- convection pass
- burner hearth
- boiler
- convection
- flow bed
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Abstract
The invention discloses an entrained flow bed hot water boiler and belongs to the technical field of energy conservation and consumption reduction of boilers. The entrained flow bed hot water boiler comprises a boiler drum (1), a hearth (2), a front descending pipe (3), a rear descending pipe (16), a convection flue I (21), a convection flue II (23), a turning flue (11) and a combustor (20). The combustor (20) is installed on the top of the hearth (2). The hearth (2), the convection flue I (20) and the convection flue II (23) are of a delta-shaped structure to form a smoke channel. A convection flue partition wall (22) is arranged between the convection flue I (21) and the convection flue II (23). According to the entrained flow bed hot water boiler, the reversal combustion type delta-shaped flues and an angular pipe type entrained flow bed structure are adopted so that the boiler can be simple and compact in overall structure, easy to manufacture, capable of reducing material consumption and reducing occupied area, and capable of reducing the installation workload needed on the field; the boiler can be stable in combustion and not prone to coking, and the thermal efficiency of the boiler is greatly improved.
Description
Technical field
The present invention relates to a kind of air flow bed hot-water boiler, specifically a kind of counter-burning type Chinese character pin-shaped flue corner tube type air flow bed hot-water boiler, belongs to boiler energy-saving consumption-reducing technological field.
Background technology
Air flow bed boiler main will be divided into coal-powder boiler, gas furnace, oil burner, and it has the advantages such as burning is rapid, the thermal efficiency is high, Load adjustment is convenient.The burning feature of air flow bed boiler is that fuel enters burner hearth with air, and burns under suspended state, and before flue gas enters crust block pipe, burning terminates completely.
Traditional air flow bed boiler adopts suspension type π type to arrange and D type arrangement mostly, and π type arrangement is applicable to coal-powder boiler, gas furnace and oil burner, and D type arrangement is applicable to and gas furnace and oil burner and be not suitable for coal-powder boiler.Greatly, complex structure, greatly, floor space is also large for on-site installation work amount, and D type arranges that boiler on-site installation work amount is large, be not suitable for combusting coal fines, inconvenience is overhauled in convection bank for the boiler steel of π type arrangement and refractory consumption rate.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides a kind of air flow bed hot water boiler structure simply compact, manufacture simple, save consumptive material, reduce floor space, reduce on-the-spot required workload of installing, flameholding, not easily coking, significantly improve boiler thermal output.
To achieve these goals, this air flow bed hot-water boiler comprises drum, burner hearth, front down-comer, rear down-comer, convection pass I, convection pass II, turning flue and burner;
Described burner is arranged on the top of described burner hearth;
Described burner hearth, convection pass I and convection pass II, in Chinese character pin-shaped structure, forms exhaust gases passes;
Between described convection pass I and convection pass II, convection pass partition wall is set.
Further, this air flow bed hot-water boiler also comprises the burner hearth upper collecting chamber, burner hearth antetheca lower header and the burner hearth rear wall lower header that are connected to form corner tube type structure with described drum, front down-comer and rear down-comer, left side wall lower header and left side wall upper collecting chamber, mid-board upper collecting chamber and mid-board lower header, wall lower header after convection pass upper collecting chamber and convection pass, right side wall lower header and right side wall upper collecting chamber, and water outlet header and water return header, described corner tube type Structure composing Water, steam circulation passage and boiler supports framework.
Further, the convection heating surface of described convection pass I and convection pass II is Flag pattern heat surface;
Described Flag pattern heat surface is coiled pipe structure, is communicated with wall feed pipe after the burner hearth on wall after burner hearth.
Further, described burner hearth, the fin panel casing supporting construction of convection pass I and convection pass II and front down-comer and rear down-comer formation boiler entirety.
Compared with prior art, this air flow bed hot-water boiler adopts counter-burning type, Chinese character pin-shaped flue, and corner tube type entrained flow configurations, make boiler overall structure simply compact, manufacture simple, save consumptive material, reduce floor space, reduce on-the-spot required workload of installing, and boiler combustion is stablized, not easily coking, significantly improves boiler thermal output.
Accompanying drawing explanation
Fig. 1 is agent structure schematic diagram of the present invention;
Fig. 2 is the A direction view in Fig. 1;
Fig. 3 is along B-B line sectional view in Fig. 1;
Fig. 4 flue gas flow diagram of the present invention;
Fig. 5 is C direction view in Fig. 5;
Fig. 6 is steam flow diagram of the present invention;
In figure: 1, drum, 2, burner hearth, 3, front down-comer, 4, burner hearth antetheca lower header, 5, left side wall lower header, 6, ash bucket, 7, burner hearth rear wall lower header, 8, furnace outlet, 9, wall after burner hearth, 10, burner hearth upper collecting chamber, 11, turning flue, 12, water outlet header, 13, left side wall upper collecting chamber, 14, convection pass upper collecting chamber, 15, Flag pattern heat surface, 16, rear down-comer, 17, inspection door, 18, wall lower header after convection pass, 19, platform staircase, 20, burner, 21, convection pass I, 22, convection pass partition wall, 23, convection pass II, 24, exhanst gas outlet, 25, mid-board upper collecting chamber, 26, mid-board lower header, 27, wall feed pipe after burner hearth, 28, water return header, 29, right side wall lower header, 30, right side wall upper collecting chamber, 31, left side wall, 32, right side wall.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figure 1, Figure 2 and Figure 3, this air flow bed hot-water boiler comprises drum 1, burner hearth 2, front down-comer 3, rear down-comer 16, convection pass I 21, convection pass II 23, turning flue 11 and burner 20;
Described burner 20 is arranged on the top of described burner hearth 2;
Described burner hearth 2, convection pass I 21 and convection pass II 23, in Chinese character pin-shaped structure, forms exhaust gases passes;
Between described convection pass I 21 and convection pass II 23, convection pass partition wall 22 is set.
The burner 20 of fuel through being arranged at burner hearth 2 top of this air flow bed hot-water boiler is lighted and is sprayed into burner hearth 2 and burn away, high-temperature flue gas moves downward and enters convection pass I 21 through furnace outlet 8 and upwards flow and wash away boiler tube bundle, flue gas enters convection pass II 23 through turning flue 11 and flows downward and wash away boiler tube bundle, finally discharge from boiler bottom exhanst gas outlet 24, enter deduster, constitute the boiler structure of counter-burning type, Chinese character pin-shaped flue.
Further, as Fig. 4, shown in Fig. 5 and Fig. 6, this air flow bed hot-water boiler also comprises and described drum 1, front down-comer 3 and rear down-comer 16 are connected to form the burner hearth upper collecting chamber 10 of corner tube type structure, burner hearth antetheca lower header 4 and burner hearth rear wall lower header 7, left side wall lower header 5 and left side wall upper collecting chamber 13, mid-board upper collecting chamber 25 and mid-board lower header 26, wall lower header 18 after convection pass upper collecting chamber 14 and convection pass, right side wall lower header 29 and right side wall upper collecting chamber 30, and water outlet header 12 and water return header 28, described corner tube type Structure composing Water, steam circulation passage and boiler supports framework.
As Fig. 4, shown in Fig. 5 and Fig. 6, this air flow bed hot-water boiler backwater part is divided into two-way, one road backwater from convection pass partition wall upper collecting chamber 16 through mid-board upper collecting chamber 25, mid-board lower header 26, wall lower header 18 after convection pass, another road backwater enters the middle part of drum 1 from water return header 28, three down-comers in the middle part of drum 1 enter burner hearth antetheca lower header 4 and burner hearth rear wall lower header 7, hot water membrane wall before and after burner hearth rises and enters burner hearth upper collecting chamber 10, the connecting pipe that hot water is connected with drum 1 through burner hearth upper collecting chamber 10 again enters the two ends of drum 1, hot water more premenstrual down-comer 3 enters left side wall lower header 5 and right side wall lower header 29, through left side wall 31 and right side wall 32, enter left side wall upper collecting chamber 13 and right side wall upper collecting chamber 30, then hot water wall lower header 18 and first via water bout after down-comer 16 enters convection pass later, then hot water enters convection pass upper collecting chamber 14 through Flag pattern heat surface 15, finally enter water outlet header 9 and supply user.
Further, as shown in Figure 1, the convection heating surface of described convection pass I 21 and convection pass II 23 is Flag pattern heat surface 15; Described Flag pattern heat surface 15 is coiled pipe structure, is communicated with wall feed pipe 27 after the burner hearth on wall after burner hearth 9.
Further, described burner hearth 2, convection pass I 21 and convection pass II 23 and front down-comer 3 and rear down-comer 16 form the fin panel casing supporting construction of boiler entirety.
In sum, this air flow bed hot-water boiler adopts counter-burning type, Chinese character pin-shaped flue, and corner tube type entrained flow configurations, make boiler overall structure simply compact, manufacture simple, save consumptive material, reduce floor space, reduce on-the-spot required workload of installing, and boiler combustion is stablized, not easily coking, significantly improves boiler thermal output.
Claims (4)
1. an air flow bed hot-water boiler, is characterized in that,
Comprise drum (1), burner hearth (2), front down-comer (3), rear down-comer (16), convection pass I (21), convection pass II (23), turning flue (11) and burner (20);
Described burner (20) is arranged on the top of described burner hearth (2);
Described burner hearth (2), convection pass I (21) and convection pass II (23), in Chinese character pin-shaped structure, form exhaust gases passes;
Between described convection pass I (21) and convection pass II (23), convection pass partition wall (22) is set.
2. a kind of air flow bed hot-water boiler according to claim 1, is characterized in that,
Also comprise and described drum (1), front down-comer (3) and rear down-comer (16) are connected to form the burner hearth upper collecting chamber (10) of corner tube type structure, burner hearth antetheca lower header (4) and burner hearth rear wall lower header (7), left side wall lower header (5) and left side wall upper collecting chamber (13), mid-board upper collecting chamber (25) and mid-board lower header (26), wall lower header (18) after convection pass upper collecting chamber (14) and convection pass, right side wall lower header (29) and right side wall upper collecting chamber (30), and water outlet header (12) and water return header (28), described corner tube type Structure composing Water, steam circulation passage and boiler supports framework.
3. a kind of air flow bed hot-water boiler according to claim 1, is characterized in that,
The convection heating surface of described convection pass I (21) and convection pass II (23) is Flag pattern heat surface (15);
Described Flag pattern heat surface (15) is coiled pipe structure, is communicated with wall feed pipe (27) after the burner hearth on wall after burner hearth (9).
4. a kind of air flow bed hot-water boiler according to claim 1, is characterized in that,
Described burner hearth (2), the fin panel casing supporting construction of convection pass I (21) and convection pass II (23) and front down-comer (3) and rear down-comer (16) formation boiler entirety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510422695.7A CN105004043A (en) | 2015-07-17 | 2015-07-17 | Entrained flow bed hot water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510422695.7A CN105004043A (en) | 2015-07-17 | 2015-07-17 | Entrained flow bed hot water boiler |
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| CN105004043A true CN105004043A (en) | 2015-10-28 |
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| CN201510422695.7A Pending CN105004043A (en) | 2015-07-17 | 2015-07-17 | Entrained flow bed hot water boiler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332417A (en) * | 2018-03-23 | 2018-07-27 | 博瑞特热能设备股份有限公司 | Forced-circulation hot water boiler |
| CN108534352A (en) * | 2018-03-23 | 2018-09-14 | 博瑞特热能设备股份有限公司 | The processing method of forced-circulation hot water boiler |
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| CN200943946Y (en) * | 2006-05-18 | 2007-09-05 | 哈尔滨工大格瑞环保能源科技有限公司 | Forced circulation water-heating boiler |
| CN101556076A (en) * | 2009-05-20 | 2009-10-14 | 哈尔滨工业大学 | Large scale water-fire tube hot-water boiler with single drum horizontal vertical spirally corrugated tube |
| CN201396743Y (en) * | 2009-03-27 | 2010-02-03 | 沈阳军区联勤部工程安装大队 | Angle pipe type circulating fluidized bed boiler |
| KR101094142B1 (en) * | 2009-08-25 | 2011-12-14 | 일도바이오테크주식회사 | Hot-water boiler for improving thermal efficiency |
| CN204240339U (en) * | 2014-10-09 | 2015-04-01 | 杭州燃油锅炉有限公司 | A kind of three backhaul powder hot-water boilers |
| CN204987449U (en) * | 2015-07-17 | 2016-01-20 | 江苏四方锅炉有限公司 | Air current bed boiler |
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2015
- 2015-07-17 CN CN201510422695.7A patent/CN105004043A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200943946Y (en) * | 2006-05-18 | 2007-09-05 | 哈尔滨工大格瑞环保能源科技有限公司 | Forced circulation water-heating boiler |
| CN201396743Y (en) * | 2009-03-27 | 2010-02-03 | 沈阳军区联勤部工程安装大队 | Angle pipe type circulating fluidized bed boiler |
| CN101556076A (en) * | 2009-05-20 | 2009-10-14 | 哈尔滨工业大学 | Large scale water-fire tube hot-water boiler with single drum horizontal vertical spirally corrugated tube |
| KR101094142B1 (en) * | 2009-08-25 | 2011-12-14 | 일도바이오테크주식회사 | Hot-water boiler for improving thermal efficiency |
| CN204240339U (en) * | 2014-10-09 | 2015-04-01 | 杭州燃油锅炉有限公司 | A kind of three backhaul powder hot-water boilers |
| CN204987449U (en) * | 2015-07-17 | 2016-01-20 | 江苏四方锅炉有限公司 | Air current bed boiler |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332417A (en) * | 2018-03-23 | 2018-07-27 | 博瑞特热能设备股份有限公司 | Forced-circulation hot water boiler |
| CN108534352A (en) * | 2018-03-23 | 2018-09-14 | 博瑞特热能设备股份有限公司 | The processing method of forced-circulation hot water boiler |
| CN108534352B (en) * | 2018-03-23 | 2020-11-03 | 博瑞特热能设备股份有限公司 | Processing method of forced circulation hot water boiler |
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Application publication date: 20151028 |