CN105757656A - Novel supporting slag cooling device of boiler - Google Patents
Novel supporting slag cooling device of boiler Download PDFInfo
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- CN105757656A CN105757656A CN201410792516.4A CN201410792516A CN105757656A CN 105757656 A CN105757656 A CN 105757656A CN 201410792516 A CN201410792516 A CN 201410792516A CN 105757656 A CN105757656 A CN 105757656A
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- slag
- equipment
- heat exchange
- ash
- lime
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Abstract
The invention discloses a novel supporting slag cooling device of a boiler. The slag cooling device is characterized in that the slag cooling device comprises a heat exchange device 1; the lower part of the heat exchange device 1 is connected to a coal slag and ash feeding pipe 2; the outlet of the coal slag and ash feeding pipe 2 is disposed at the lower part of the heat exchange device 1; the inlet of a coal slag and ash discharging pipe 4 is disposed at the upper part of the heat exchange device 1; the heat exchange device 1 is connected to a gas guide pipe 5 and a matched bottom slag conveying system; compared with the prior art, the slag cooling device is reasonable in structure and simple and convenient in operation, effectively increases the heat exchange efficiency, prolongs the service lifetime of heat exchange pipes, completely overcomes the water leakage problem of dynamic and static sealing parts, and avoids water leakage due to abrasion of sealing rings at the dynamic and static connecting parts for feeding and discharging water or abrasion of fillers because of long-term running; and novel cold-drawn hexagon seamless steel tubes are adopted as heat exchange paths, and far wings are welded from inside by adopting an automatic welding manner, and therefore the heat exchange coefficient is increased, the heat exchange area is increased, abrasion of the heat exchange paths is greatly reduced, and the service lifetime of the slag cooling device is effectively prolonged.
Description
Technical field
The present invention relates to a kind of lime-ash waste heat recovery recycling equipment technical field that can improve lime-ash heat recovery rate, a kind of supporting cold slag equipment of New-type boiler specifically.
Background technology
Recirculating fluidized bed (CFB) boiler is the existing novel boiler of power plant of one attempting carrying out of China, and can slag cooler effect in CFBB is fairly heavy to be wanted, be allow the capital equipment of the normal deslagging of boiler.
High-temperature coking is that bed abnormal combustion is fierce, and temperature steeply rises owing in running, temperature is too high, when temperature exceedes the fusion temperature of ash, high-temperature coking will occur.Bed clinkering is because bad the making of fluidisation and locally reaches ignition temperature, but air quantity now is enough to make material burn rapidly, causes this place's temperature of charge to exceed ash fusion point, as processed not in time, coking will occur.The dreg removing system of CFBB is made up of bottom ash cooling, bottom ash conveying, slag storehouse and supporting slag dumping equipment.The capital equipment of cold slag system is made up of high-temperature slap discharging valves and slag cooler etc., the capital equipment of bottom ash conveying system buries the compositions such as scraper slag removing machine (or belt conveyor), bucket elevator, and slag storehouse and supporting slag dumping equipment are mainly made up of pulsed jet cloth filter, dry slag bulk machine, Double shaft stirring humidifier, vacuum pressure relief valve etc..But the situation that slag cooler coking results in blockage often occurs, and being a technical difficult problem, the unreliability of slag cooler also just determines the unstability of boiler.
In order to well solve the problems referred to above, the present invention provides a kind of supporting cold slag equipment of New-type boiler.
Summary of the invention
It is an object of the invention to provide a kind of supporting cold slag equipment of New-type boiler, adopt novel cold-drawn hexagon seamless steel pipe as heat exchanger channels, and adopt automatic welding mode by the remote fin of interior welding, both improve the coefficient of heat transfer, increase heat exchange area, the abrasion of heat exchanger channels is greatly reduced again, effectively extends service life of equipment.Lag cooler water inlet pipe and water outlet pipe is Double-layer clamp sleeve pipe, select at the widely used high-speed joint manufactured by Johnson's Technology design of weaving drying apparatus, it is fully solved static and dynamic sealing seepy question, it is to avoid Inlet and outlet water sound junction sealing ring or flavoring agent longtime running wear and tear and leak.
The solved technical problem of the present invention be the technical scheme is that a kind of supporting cold slag equipment of New-type boiler, it is characterized in that: include heat transmission equipment 1, the bottom of described heat transmission equipment 1 is connected with cinder lime-ash inlet pipe 2, the exit of described cinder lime-ash inlet pipe 2 is positioned at the bottom of heat transmission equipment 1, the porch that described cinder lime-ash goes out pipe 4 is positioned at the top of heat transmission equipment 1, and described heat transmission equipment 1 is connected to airway 5 and the bottom ash conveying system cooperated.
The method for designing of described cold-rolling equipment is that difference in flow calculates method, namely according to thermo parameters method, tube side (slag side) 6 and shell-side (water side) 3 heat transfer characteristics in cinder heat exchanging equipment and flow behavior, shell-side water-flow equation uniformity, tube pitch person of outstanding talent's space, subregion is made to make tube side center reduce the process of difference in flow with neighboring area by optimizing structure.
Described lag cooler cinder lime-ash inlet pipe 2, cinder lime-ash go out pipe 4 for multilayer sleeve and high-speed joint, solve static and dynamic sealing seepy question, it is to avoid Inlet and outlet water sound junction sealing ring or flavoring agent longtime running wear and tear and leak.
Described airway 5 is internal is provided with chiller, it is possible to separates in cylinder, applies cluster of grains heat-transfer mechanism, improves the heat transfer coefficient of lime-ash.
Mainly bury scraper slag removing machine (or belt conveyor), the bucket elevator etc. of described bottom ash conveying system form, and slag storehouse and supporting slag dumping equipment are mainly made up of pulsed jet cloth filter, dry slag bulk machine, Double shaft stirring humidifier etc..Producer can select different systems and equipment according to being actually needed of oneself scene.
The invention has the beneficial effects as follows: 1, due to the supporting cold slag equipment of New-type boiler, adopt novel cold-drawn hexagon seamless steel pipe as heat exchanger channels, and adopt automatic welding mode by the remote fin of interior welding, both improve the coefficient of heat transfer, increase heat exchange area, the abrasion of heat exchanger channels is greatly reduced again, effectively extends service life of equipment.Lag cooler water inlet pipe and water outlet pipe is Double-layer clamp sleeve pipe, select at the widely used high-speed joint manufactured by Johnson's Technology design of weaving drying apparatus, it is fully solved static and dynamic sealing seepy question, it is to avoid Inlet and outlet water sound junction sealing ring or flavoring agent longtime running wear and tear and leak；
2, owing to the method for designing of described cold-rolling equipment is that difference in flow calculates method, namely according to thermo parameters method, tube side (slag side) 6 and shell-side (water side) 3 heat transfer characteristics in cinder heat exchanging equipment and flow behavior, shell-side water-flow equation uniformity, tube pitch person of outstanding talent's space, subregion is made to make tube side center reduce the process of difference in flow with neighboring area by optimizing structure.Improve the coefficient of heat transfer, increase heat exchange area, the abrasion of heat exchanger channels is greatly reduced；
3, owing to described lag cooler cinder lime-ash inlet pipe 2, cinder lime-ash go out pipe 4 for multilayer sleeve and high-speed joint, static and dynamic sealing seepy question is solved, it is to avoid Inlet and outlet water sound junction sealing ring or flavoring agent longtime running wear and tear and leak；
4, it is provided with chiller owing to described airway 5 is internal, it is possible to separate in cylinder, applies cluster of grains heat-transfer mechanism, improve the heat transfer coefficient of lime-ash, improve the heat transfer coefficient of lime-ash, maintain again the activity of lime-ash, improve utilization of ash and slag and be worth；
5, burying the compositions such as scraper slag removing machine (or belt conveyor), bucket elevator due to the capital equipment of bottom ash conveying system, slag storehouse and supporting slag dumping equipment are mainly made up of pulsed jet cloth filter, dry slag bulk machine, Double shaft stirring humidifier etc..Producer can select different systems and equipment, effectively save manufacturing cost according to being actually needed of oneself scene.
Accompanying drawing explanation
Below in conjunction with specific embodiment, the present invention is further illustrated:
Fig. 1 is the structural representation of the embodiment of the present invention；
In figure: 1, heat transmission equipment；2, cinder lime-ash inlet pipe；3, shell-side (water side)；4, cinder lime-ash goes out pipe；5, airway；6, tube side (slag side).
Detailed description of the invention
The supporting cold slag equipment of 1 one kinds of New-type boilers of embodiment, it is characterized in that: include heat transmission equipment 1, the bottom of described heat transmission equipment 1 is connected with cinder lime-ash inlet pipe 2, the exit of described cinder lime-ash inlet pipe 2 is positioned at the bottom of heat transmission equipment 1, the porch that described cinder lime-ash goes out pipe 2 is positioned at the top of heat transmission equipment 1, and described heat transmission equipment 1 is connected to airway 5 and the bottom ash conveying system cooperated.
Embodiment 2 is as shown in Figure 1, it is to improve on the basis of embodiment 1, the method for designing of its described cold-rolling equipment is that difference in flow calculates method, namely according to thermo parameters method, tube side (slag side) 6 and shell-side (water side) 3 heat transfer characteristics in cinder heat exchanging equipment and flow behavior, shell-side water-flow equation uniformity, tube pitch person of outstanding talent's space, subregion is made to make tube side center reduce the process of difference in flow with neighboring area by optimizing structure.Improve the coefficient of heat transfer, increase heat exchange area, the abrasion of heat exchanger channels is greatly reduced.
Embodiment 3 is as shown in Figure 1, it is to improve on the basis of embodiment 1, its lag cooler cinder lime-ash inlet pipe 2, cinder lime-ash go out pipe 4 for multilayer sleeve and high-speed joint, solve static and dynamic sealing seepy question, avoid Inlet and outlet water sound junction sealing ring or flavoring agent longtime running abrasion and leak, heat transmission equipment 1 is placed on cinder lime-ash inlet pipe 2, cinder lime-ash go out the parallel upper end of pipe 4 obtained by drip carry from heat transmission equipment 1 cinder lime-ash.
Embodiment 4 is as it is shown in figure 1, it is to improve on the basis of embodiment 1, and its described airway 5 is internal is provided with chiller, it is possible to separates in cylinder, applies cluster of grains heat-transfer mechanism, improves the heat transfer coefficient of lime-ash.Chiller passes through compressed-air supply system, carry out cooling technique, cooling fluid box fluid box is provided with compressed air inlet port and compressed air outlet port, compressed-air supply system is filled with compression air by compressed air hose road direction fluid box air inlet, discharging compression air by fluid box gas outlet, compression air forms convection current in fluid box.
Embodiment 5 is as shown in Figure 1, it is to improve on the basis of embodiment 1, mainly bury scraper slag removing machine (or belt conveyor), the bucket elevator etc. of its bottom ash conveying system form, and slag storehouse and supporting slag dumping equipment are mainly made up of pulsed jet cloth filter, dry slag bulk machine, Double shaft stirring humidifier etc..Producer can select different systems and equipment according to being actually needed of oneself scene.
The supporting cold slag equipment of this New-type boiler of embodiment 6, including heat transmission equipment 1, the bottom of described heat transmission equipment 1 is connected with cinder lime-ash inlet pipe 2, the exit of described cinder lime-ash inlet pipe 2 is positioned at the bottom of heat transmission equipment 1, the porch that described cinder lime-ash goes out pipe 2 is positioned at the top of heat transmission equipment 1, and described heat transmission equipment 1 is connected to airway 5 and the bottom ash conveying system cooperated；The method for designing of its cold-rolling equipment is that difference in flow calculates method, namely according to thermo parameters method, tube side (slag side) 6 and shell-side (water side) 3 heat transfer characteristics in cinder heat exchanging equipment and flow behavior, shell-side water-flow equation uniformity, tube pitch person of outstanding talent's space, subregion is made to make tube side center reduce the process of difference in flow with neighboring area by optimizing structure；Described lag cooler cinder lime-ash inlet pipe 2, cinder lime-ash go out pipe 4 for multilayer sleeve and high-speed joint, solve static and dynamic sealing seepy question, it is to avoid Inlet and outlet water sound junction sealing ring or flavoring agent longtime running wear and tear and leak；Described airway 5 is internal is provided with chiller, it is possible to separates in cylinder, applies cluster of grains heat-transfer mechanism, improves the heat transfer coefficient of lime-ash；Mainly bury scraper slag removing machine (or belt conveyor), the bucket elevator etc. of described bottom ash conveying system form, and slag storehouse and supporting slag dumping equipment are mainly made up of pulsed jet cloth filter, dry slag bulk machine, Double shaft stirring humidifier etc..Producer can select different systems and equipment according to being actually needed of oneself scene.
Claims (5)
1. the supporting cold slag equipment of New-type boiler, it is characterized in that: include heat transmission equipment (1), the bottom of described heat transmission equipment (1) is connected with cinder lime-ash inlet pipe (2), the exit of described cinder lime-ash inlet pipe (2) is positioned at the bottom of heat transmission equipment (1), described cinder lime-ash goes out the porch of pipe (4) and is positioned at the top of heat transmission equipment (1), and described heat transmission equipment (1) is connected to airway (5) and the bottom ash conveying system cooperated.
2. a kind of supporting cold slag equipment of New-type boiler according to claim 1, it is characterized in that: the method for designing of described cold-rolling equipment is that difference in flow calculates method, namely according to thermo parameters method, tube side (slag side) (6) and shell-side (water side) (3) heat transfer characteristic in cinder heat exchanging equipment and flow behavior, shell-side water-flow equation uniformity, tube pitch person of outstanding talent's space, subregion is made to make tube side center reduce the process of difference in flow with neighboring area by optimizing structure.
3. a kind of supporting cold slag equipment of New-type boiler according to claim 1, it is characterized in that: it is multilayer sleeve and high-speed joint that described lag cooler cinder lime-ash inlet pipe (2), cinder lime-ash go out pipe (4), solve static and dynamic sealing seepy question, it is to avoid Inlet and outlet water sound junction sealing ring or flavoring agent longtime running wear and tear and leak.
4. a kind of supporting cold slag equipment of New-type boiler according to claim 1, is characterized in that: described airway (5) is internal is provided with chiller, it is possible to separates in cylinder, applies cluster of grains heat-transfer mechanism, improves the heat transfer coefficient of lime-ash.
5. a kind of supporting cold slag equipment of New-type boiler according to claim 1, it is characterized in that: mainly bury scraper slag removing machine (or belt conveyor), the bucket elevator etc. of described bottom ash conveying system form, slag storehouse and supporting slag dumping equipment are mainly made up of pulsed jet cloth filter, dry slag bulk machine, Double shaft stirring humidifier etc., and producer can select different systems and equipment according to being actually needed of oneself scene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410792516.4A CN105757656A (en) | 2014-12-19 | 2014-12-19 | Novel supporting slag cooling device of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410792516.4A CN105757656A (en) | 2014-12-19 | 2014-12-19 | Novel supporting slag cooling device of boiler |
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| Publication Number | Publication Date |
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| CN105757656A true CN105757656A (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410792516.4A Withdrawn CN105757656A (en) | 2014-12-19 | 2014-12-19 | Novel supporting slag cooling device of boiler |
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| CN (1) | CN105757656A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120643A (en) * | 2017-06-13 | 2017-09-01 | 中国华电科工集团有限公司 | A kind of CFBB slag storage is deposited and discharge system |
-
2014
- 2014-12-19 CN CN201410792516.4A patent/CN105757656A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120643A (en) * | 2017-06-13 | 2017-09-01 | 中国华电科工集团有限公司 | A kind of CFBB slag storage is deposited and discharge system |
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Application publication date: 20160713 |