CN103615727B - The different fluidized-bed combustion boiler that recirculates - Google Patents
The different fluidized-bed combustion boiler that recirculates Download PDFInfo
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- CN103615727B CN103615727B CN201310552177.8A CN201310552177A CN103615727B CN 103615727 B CN103615727 B CN 103615727B CN 201310552177 A CN201310552177 A CN 201310552177A CN 103615727 B CN103615727 B CN 103615727B
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- burner hearth
- airduct
- tube connector
- seal cover
- steel pipe
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Abstract
The present invention relates to the different fluidized-bed combustion boiler that recirculates, comprise burner hearth, the sidewall of described burner hearth has a connecting hole, described connecting hole surface thereof is fixed with a steel pipe, the top of described steel pipe is connected with a seal cover, the middle part of described steel pipe is fixedly connected with an airduct, and described airduct is provided with the control device controlling airduct and blow in burner hearth; Advantage of the present invention: be blown into high-pressure blast to burner hearth by airduct control device, high-temperature flue gas in burner hearth is not easily gone out from steel tube inner spray, thus ensure that operating personnel can be removed by steel pipe iron wire of uniting residual in burner hearth, improve the spray Slag treatment efficiency of boiler owing to causing when iron wire is united, the amount of labour is little, effectively ensure that the continuous long period of boiler normally runs, security performance is good, and Practical Performance is good.
Description
Technical field
The present invention relates to the different fluidized-bed combustion boiler that recirculates.
Background technology
Boiler is applicable to the burning disposal of all kinds of house refuse, existing domestic waste collection does not adopt the way of classification, cause in rubbish with incombustible strip articles such as iron wires, moreover in house refuse, be also often with some industrial refuse, although enter the house refuse of boiler by tramp iron separator and artificial separation, but because the iron wire iron bar in case and bag and part packaging bag cannot take out, and the iron wire be intertwined with rubbish also cannot take out, if rubbish per ton one kilogram of iron wire calculates, so one day 500 tons of rubbish has iron wire 500 kilograms of iron wires, a large amount of iron wires is under the inner wind action of boiler furnace, embracing agglomeratingly hangs on blast cap, cause boiler cannot normal deslagging, in order to ensure the normal operation of boiler, boiler operatiopn personnel manually dredge with iron staff in scum pipe, when opening artificial residual cake valve, the thin slag of boiler sprays from slag-drip opening under a high-order wind action, much disclose slag personnel health to be burned, if iron wire cannot be disclosed in the short time, finally cause the bad coking of fluidisation in boiler furnace and blowing out, huge economic loss is caused to user and my company.
Summary of the invention
The technical problem to be solved in the present invention is when burning away the refuse for existing boiler, rubbish iron wire after burning is not easily got rid of, cause boiler cannot normal deslagging, Practical Performance is poor, thus the iron wire solving and unite in the process burner hearth that is in operation of the different fluidized-bed combustion boiler that recirculates is provided, and and need not blowing out, ensure that boiler can continuous continual normal operation, improve economy and the security of boiler, also solve the difficult problem that this type of boiler cannot ensure continuous heat supply.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: the different fluidized-bed combustion boiler that recirculates, comprise burner hearth, the sidewall of described burner hearth has a connecting hole, described connecting hole surface thereof is fixed with the steel pipe for iron wire discharging residual in burner hearth, the top of described steel pipe is connected with a seal cover, and the middle part of described steel pipe is fixedly connected with an airduct, and described airduct is provided with the control device controlling airduct and blow in burner hearth.
Preferably, described steel pipe comprise one be located in the first tube connector in connecting hole, second tube connector fixed for seal cover, for connecting the connecting portion of the first tube connector and the second tube connector, one end of described airduct is fixedly connected on connecting portion by flange, the other end of described airduct connects air-supply arrangement, described control device is provided with the middle part at airduct, connecting portion connects reliable, be convenient to install, air-supply arrangement is blown in airduct, and control its air quantity by control device, Practical Performance is good, safe and reliable, easy to operate.
Preferably, described connecting portion is the T-shaped threeway of cross section, described airduct is fixedly connected on connecting portion vertical portion, described first tube connector, the second tube connector are fixedly connected on connecting portion horizontal part, and threeway is convenient to connect, and structure is simple, Practical Performance is good, ensure that the wind energy in airduct enters burner hearth, ensure that security performance, be convenient to deslagging.
Preferably, the diameter of described connecting portion vertical portion is less than the diameter of connecting portion horizontal part, effectively ensure that air-supply effect, is convenient to the removing of iron wire in burner hearth, and connect reliable, result of use is good.
Preferably, described second tube connector is provided with the terminal pad that seal cover connects, one end of described seal cover is connected on terminal pad by axis of rotation, and the other end of described seal cover is fixed on terminal pad by latch, and the bottom of described seal cover is provided with projection, described projection is provided with sealing ring, the top of described seal cover is provided with handle, is connected on terminal pad by seal cover by axis of rotation, and controls the unlatching of seal cover by latch, connect reliable, Practical Performance is good.
Preferably, described airduct comprises the tilting section, arc section, the vertical section that are connected successively, and described tilting section is fixedly connected on connecting portion, described vertical section is connected with air-supply arrangement, and described control device is fixed in vertical section, and structure is simple, be convenient to air-supply, serviceability is good.
Preferably, the cross section of described connecting hole is rectangle, and the distance of the horizontal center line of described connecting hole and the bottom of burner hearth is 5400 ~ 5600mm, security performance is good, the high temperature avoided in burner hearth makes operating personnel scald, and rectangle is easy to process, is convenient to the first tube connector and wears.
Preferably, described first tube connector becomes 30 ~ 45 ° of angles with connecting hole horizontal center line, described first tube connector is fixedly connected by welding in connecting hole, the described first tube connector degree of depth be built in burner hearth is 100 ~ 150mm, ensure that iron wire can better to enter in the first tube connector and to carry out iron wire removing, Practical Performance is good, when angle be less than 30 ° or be greater than 45 ° time, the wind that airduct enters can not well press down the temperature in burner hearth, easily injury is produced to operating personnel, security performance is low, when the degree of depth that the first tube connector is built in burner hearth is less than 100mm, be unfavorable for fixing, connect unstable, poor safety performance, when the degree of depth that the first tube connector is built in burner hearth is greater than 150mm, be unfavorable for hooking up of iron wire, Practical Performance is low.
Preferably, the extension of axis in burner hearth of described first tube connector passes the scum pipe central point of burner hearth, and be convenient to better remove the iron wire in body of heater scum pipe, Practical Performance is good.
Preferably, described control device comprises choke valve, pressure regulator valve, gate valve, by the flow of wind in throttle valve adjustment airduct, pressure regulator valve regulates the pressure in airduct, and gate valve controls wind flow in airduct, and regulating effect is good, Practical Performance is good, simple to operate, improves security performance.
In sum, advantage of the present invention: be blown into high-pressure blast to burner hearth by airduct control device, high-temperature flue gas in burner hearth is not easily gone out from steel tube inner spray, thus ensure that operating personnel can be removed by steel pipe iron wire of uniting residual in burner hearth, improve the spray Slag treatment efficiency of boiler owing to causing when iron wire is united, the amount of labour is little, effectively ensure that the continuous long period of boiler normally runs, security performance is good, and Practical Performance is good.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the structural representation of the different fluidized-bed combustion boiler that recirculates of the present invention;
Fig. 2 is the structural representation that seal cover is connected with the second tube connector.
Detailed description of the invention
As Fig. 1, shown in Fig. 2, the different fluidized-bed combustion boiler that recirculates, comprise burner hearth 1, the sidewall of described burner hearth 1 has a connecting hole 11, described connecting hole 11 surface thereof is fixed with the steel pipe 2 for iron wire discharging residual in burner hearth 1, the top of described steel pipe 2 is connected with a seal cover 4, the middle part of described steel pipe 2 is fixedly connected with an airduct 3, described airduct 3 is provided with the control device 5 controlling airduct 3 and blow in burner hearth 1, described steel pipe 2 comprises first tube connector 21 be located in connecting hole 11, second tube connector 22 fixed for seal cover 4, for connecting the connecting portion 6 of the first tube connector 21 and the second tube connector 22, one end of described airduct 3 is fixedly connected on connecting portion 6 by flange, the other end of described airduct 3 connects air-supply arrangement 7, described control device 5 is provided with at the middle part of airduct 3, connecting portion 6 connects reliably, be convenient to install, air-supply arrangement 7 is blown in airduct 3, and control its air quantity by control device 5, Practical Performance is good, safe and reliable, easy to operate, described connecting portion 6 is the T-shaped threeway of cross section, described airduct 3 is fixedly connected on connecting portion 6 vertical portion, described first tube connector 21, second tube connector 22 is fixedly connected on connecting portion 6 horizontal part, threeway is convenient to connect, structure is simple, Practical Performance is good, ensure that the wind energy in airduct 3 enters burner hearth, ensure that security performance, be convenient to deslagging, the diameter of described connecting portion 6 vertical portion is less than the diameter of connecting portion 6 horizontal part, effectively ensure that air-supply effect, be convenient to the removing of iron wire in burner hearth, connect reliable, result of use is good, described second tube connector 22 is provided with the terminal pad 221 that seal cover 4 connects, one end of described seal cover 4 is rotatably connected on terminal pad 221 by rotating shaft 8, the other end of described seal cover 4 is fixed on terminal pad 221 by latch 43, the bottom of described seal cover 4 is provided with projection 41, described projection 41 is provided with sealing ring 42, the top of described seal cover 4 is provided with handle, seal cover 4 is rotatably connected on terminal pad 221 by rotating shaft 8, and the unlatching of seal cover is controlled by latch 43, connect reliable, Practical Performance is good, described airduct 3 comprises the tilting section 31 be connected successively, arc section 32, vertical section 33, described tilting section 31 is fixedly connected on connecting portion 6, described vertical section 33 is connected with air-supply arrangement 7, described control device 5 is fixed in vertical section 33, structure is simple, be convenient to air-supply, serviceability is good, the cross section of described connecting hole 11 is rectangle, the distance of the horizontal center line of described connecting hole 11 and the bottom of burner hearth 1 is 5400 ~ 5600mm, security performance is good, the high temperature avoided in burner hearth makes operating personnel scald, rectangle is easy to process, be convenient to the first tube connector wear, described first tube connector 21 becomes 30 ~ 45 ° of angles with connecting hole 11 horizontal center line, described first tube connector 22 is fixedly connected by welding in connecting hole 11, described first tube connector 21 degree of depth be built in burner hearth 1 is 100 ~ 150mm, ensure that iron wire can better to enter in the first tube connector 21 and to carry out iron wire removing, Practical Performance is good, when angle be less than 30 ° or be greater than 45 ° time, the wind that airduct enters can not well press down the temperature in burner hearth, easily injury is produced to operating personnel, security performance is low, when the degree of depth that the first tube connector is built in burner hearth is less than 100mm, be unfavorable for fixing, connect unstable, poor safety performance, when the degree of depth that the first tube connector is built in burner hearth is greater than 150mm, be unfavorable for hooking up of iron wire, Practical Performance is low, the extension of axis in burner hearth of described first tube connector 21 passes scum pipe 12 central point of burner hearth, be convenient to better remove the iron wire in body of heater scum pipe, Practical Performance is good, described control device 5 comprises choke valve 51, pressure regulator valve 52, gate valve 53, the flow of wind in airduct is regulated by choke valve 51, pressure regulator valve 52 regulates the pressure in airduct, gate valve 53 controls wind flow in airduct, regulating effect is good, Practical Performance is good, simple to operate, improve security performance.
Boiler is when burning away the refuse, by seal cover 4, steel pipe 2 is sealed, and it is out-of-blast to control airduct 3 by control device 5, when the scum pipe 12 in boiler remained a certain amount of iron wire cause spray slag time, only control device 5 need be opened, make airduct 3 toward air-supply in burner hearth 1, after open seal cover 4, just can by being arranged in steel pipe 2 with the instrument of cleek, make instrument hook iron wire until thus discharging in steel pipe 2, operate successively, just can will carry out iron wire removing fast.
High-pressure blast is blown into burner hearth by airduct control device, high-temperature flue gas in burner hearth is not easily gone out from steel tube inner spray, thus ensure that operating personnel can be removed by steel pipe iron wire of uniting residual in burner hearth, improve the spray Slag treatment efficiency of boiler owing to causing when iron wire is united, the amount of labour is little, effectively ensure that the continuous long period of boiler normally runs, security performance is good, and Practical Performance is good.
Claims (7)
1. the different fluidized-bed combustion boiler that recirculates, comprise burner hearth (1), it is characterized in that: the sidewall of described burner hearth (1) has a connecting hole (11), described connecting hole (11) surface thereof is fixed with the steel pipe (2) for iron wire discharging residual in burner hearth (1), the top of described steel pipe (2) is connected with a seal cover (4), the middle part of described steel pipe (2) is fixedly connected with an airduct (3), described airduct (3) is provided with the control device (5) controlling airduct (3) air-supply in burner hearth (1), described steel pipe (2) comprises first tube connector (21) be located in connecting hole (11), second tube connector (22) fixed for seal cover (4), for connecting the connecting portion (6) of the first tube connector (21) and the second tube connector (22), one end of described airduct (3) is fixedly connected on connecting portion (6) by flange, the other end of described airduct (3) connects air-supply arrangement (7), described control device (5) is located at the middle part of airduct (3), described first tube connector (22) becomes 30 ~ 45 ° of angles with connecting hole (11) horizontal center line, described first tube connector (22) is fixedly connected by welding in connecting hole (11), described first tube connector (22) degree of depth be built in burner hearth (1) is 100 ~ 150mm, the extension of axis in burner hearth (1) of described first tube connector (22) passes scum pipe (12) central point of burner hearth (1).
2. the different fluidized-bed combustion boiler that recirculates according to claim 1, it is characterized in that: described connecting portion (6) is the T-shaped threeway of cross section, described airduct (3) is fixedly connected on connecting portion (6) vertical portion, and described first tube connector (21), the second tube connector (22) are fixedly connected on connecting portion (6) horizontal part.
3. the different fluidized-bed combustion boiler that recirculates according to claim 2, is characterized in that: the diameter of described connecting portion (6) vertical portion is less than the diameter of connecting portion (6) horizontal part.
4. the different fluidized-bed combustion boiler that recirculates according to claim 2, it is characterized in that: described second tube connector (22) is provided with the terminal pad (221) that seal cover (4) connects, one end of described seal cover (4) is rotatably connected on terminal pad (221) by rotating shaft (8), the other end of described seal cover (4) is fixed on terminal pad (221) by latch (43), the bottom of described seal cover (4) is provided with projection (41), described projection (41) is provided with sealing ring (42), the top of described seal cover (4) is provided with handle.
5. the different fluidized-bed combustion boiler that recirculates according to claim 1, it is characterized in that: described airduct (3) comprises the tilting section (31), arc section (32), the vertical section (33) that are connected successively, described tilting section (31) is fixedly connected on connecting portion (6), described vertical section (33) is connected with air-supply arrangement (7), and described control device (5) is fixed in vertical section (33).
6. the different fluidized-bed combustion boiler that recirculates according to claim 1, it is characterized in that: the cross section of described connecting hole (11) is rectangle, the distance of the horizontal center line of described connecting hole (11) and the bottom of burner hearth (1) is 5400 ~ 5600mm.
7. the different fluidized-bed combustion boiler that recirculates according to claim 5, is characterized in that: described control device (5) comprises choke valve (51), pressure regulator valve (52), gate valve (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310552177.8A CN103615727B (en) | 2013-11-08 | 2013-11-08 | The different fluidized-bed combustion boiler that recirculates |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310552177.8A CN103615727B (en) | 2013-11-08 | 2013-11-08 | The different fluidized-bed combustion boiler that recirculates |
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| Publication Number | Publication Date |
|---|---|
| CN103615727A CN103615727A (en) | 2014-03-05 |
| CN103615727B true CN103615727B (en) | 2016-01-20 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5646919A (en) * | 1979-09-26 | 1981-04-28 | Hitachi Zosen Corp | Agitator for incinerators |
| US4479808A (en) * | 1983-08-08 | 1984-10-30 | Dravo Corporation | Pokehole system for fixed bed gasifier and pokehole unit |
| JPH08285261A (en) * | 1995-04-12 | 1996-11-01 | Cie Generale Des Matieres Nucleares (Cogema) | Fire hook operated at rear of protective wall section |
| CN203517813U (en) * | 2013-11-08 | 2014-04-02 | 长兴新城环保有限公司 | Multilayer circulation fluidized bed boiler |
-
2013
- 2013-11-08 CN CN201310552177.8A patent/CN103615727B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5646919A (en) * | 1979-09-26 | 1981-04-28 | Hitachi Zosen Corp | Agitator for incinerators |
| US4479808A (en) * | 1983-08-08 | 1984-10-30 | Dravo Corporation | Pokehole system for fixed bed gasifier and pokehole unit |
| JPH08285261A (en) * | 1995-04-12 | 1996-11-01 | Cie Generale Des Matieres Nucleares (Cogema) | Fire hook operated at rear of protective wall section |
| CN203517813U (en) * | 2013-11-08 | 2014-04-02 | 长兴新城环保有限公司 | Multilayer circulation fluidized bed boiler |
Non-Patent Citations (1)
| Title |
|---|
| 循环流化床垃圾焚烧锅炉排渣口防堵技术改造;王宏等;《工业锅炉》;20110228;第38卷(第2期);38-39 * |
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| CN103615727A (en) | 2014-03-05 |
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Denomination of invention: Heterogeneous circulating fluidized bed boiler Effective date of registration: 20210720 Granted publication date: 20160120 Pledgee: Changxin Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: CHANGXING XINCHENG ENVIRONMENTAL PROTECTION Co.,Ltd. Registration number: Y2021330000944 |