CN218033107U - Hot air recirculation system for boiler of thermal power plant - Google Patents

Hot air recirculation system for boiler of thermal power plant Download PDF

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Publication number
CN218033107U
CN218033107U CN202221062124.9U CN202221062124U CN218033107U CN 218033107 U CN218033107 U CN 218033107U CN 202221062124 U CN202221062124 U CN 202221062124U CN 218033107 U CN218033107 U CN 218033107U
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pipe
boiler
power plant
thermal power
transverse
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CN202221062124.9U
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鲁海龙
窦伟国
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Tianjin Lanchao Power Maintenance Co ltd
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Tianjin Lanchao Power Maintenance Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

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Abstract

Boiler hot air recirculation system of thermal power plant. Dust remover (1), chimney (2), the dust remover with the chimney between connect through passageway (3), the passageway connect draught fan (4), the passageway in set up preceding horizontal bottom tube (5), preceding horizontal bottom tube connect end right return bend (6), end right return bend connect back horizontal bottom tube (7), back horizontal bottom tube connect end connecting pipe (8), end connecting pipe connect back horizontal well pipe (9), back horizontal well union coupling well return bend (10), well return bend connect preceding horizontal well pipe (11), preceding horizontal well union coupling well connecting pipe (12), well connecting pipe connect top circulation combination pipe. The utility model is used for hot-blast recirculation system of boiler of thermal power plant.

Description

Hot air recirculation system for boiler of thermal power plant
The technical field is as follows:
the utility model relates to a hot-blast recirculation system of boiler of thermal power plant.
Background art:
the heat that the boiler of thermal power plant produced is very high, has a lot of heats to release along with the tail gas in the operation process, and the heat that these tail gas that release have discharges can be more extravagant, and how can carry out the recycle with these tail gas that have heat to be the problem that needs the solution.
The invention content is as follows:
the utility model aims at providing a can have thermal tail cigarette with these and carry out recycle, excellent in use effect's hot-blast recirculation system of boiler of thermal power plant.
The above purpose is realized by the following technical scheme:
the utility model provides a hot air recirculation system of boiler of thermal power plant, its constitution includes dust remover 1, chimney 2, the dust remover with the chimney between connect through passageway 3, the channel connection draught fan 4, the passageway in set up preceding horizontal bottom tube 5, preceding horizontal bottom tube connect end right side return bend 6, end right side return bend connect the horizontal bottom tube 7 in back, the horizontal bottom tube of back connect end connecting pipe 8, the horizontal well pipe 9 in back of end connecting pipe connection, the horizontal well pipe connection well return bend 10 in back, well return bend connect preceding horizontal well pipe 11 in the front, preceding horizontal well pipe connection well connecting pipe 12, well connecting pipe connect a circulation combination pipe.
The hot air recirculation system of the boiler of the thermal power plant comprises a top circulation combined pipe, a front horizontal jacking pipe 13 and a rear horizontal jacking pipe 14, wherein the front horizontal jacking pipe and the rear horizontal jacking pipe are connected through a top right bent pipe 15, a middle connecting pipe is connected with the front horizontal jacking pipe, and the rear horizontal jacking pipe is connected with an outer through pipe 16.
The hot air recirculation system of the boiler of the thermal power plant is characterized in that the outer through pipe penetrates through the chimney and is connected with the circulating pipe 17, the circulating pipe is connected with the circulating pump 18, the circulating pipe is connected with the economizer 19, the economizer is connected with the boiler 20 of the thermal power plant, the circulating pipe is connected with the heat exchanger 21, and the circulating pump is arranged between the outer through pipe and the heat exchanger.
The hot air recycling system of the boiler of the thermal power plant, the front transverse bottom pipe passes through the channel, the front transverse bottom pipe is connected with the pipe hoop 22, the pipe hoop is connected with the water inlet pipe 23, the water inlet pipe is connected with the control valve 24, and the water inlet pipe is connected with the tap water pipe 25.
The hot air recycling system for the boiler of the thermal power plant is characterized in that a front transverse bottom pipe, a front transverse middle pipe and a front transverse top pipe are respectively buckled with a front opening sleeve 26, two sides of the opening end of the front opening sleeve are respectively connected with a front clamping plate 27, the front clamping plates are clamped and connected with a front right-angle pulling plate 28 and fixed through bolts, the front right-angle pulling plate is connected with expansion bolts 29 and fixed on a channel, a rear transverse bottom pipe, a rear transverse middle pipe and a rear transverse top pipe are respectively buckled with a rear opening sleeve 30, two sides of the opening end of the rear opening sleeve are respectively connected with a rear clamping plate 31, the rear clamping plates are clamped and connected with a rear right-angle pulling plate 32 and fixed through bolts, and the rear right-angle pulling plate is connected with the expansion bolts and fixed on the channel.
Has the beneficial effects that:
1. the utility model discloses a preceding horizontal bottom tube, preceding horizontal well pipe, preceding horizontal push pipe, the horizontal bottom tube in back, the horizontal well pipe in back, the horizontal push pipe in back, end right side return bend, well right side return bend, top right side return bend, end connecting pipe, well connecting pipe all are detained in the passageway, can all absorb remaining abandoning heat of thermal power plant boiler exhaust, can fully utilize remaining abandoning heat.
2. The utility model discloses a preceding horizontal bottom tube, preceding horizontal well pipe, preceding horizontal pipe, back horizontal bottom tube, back horizontal well pipe, back horizontal pipe, end right return bend, well right return bend, top right return bend, end connecting pipe, well connecting pipe form the dish bar structure, and the endless is effectual, can absorb remaining abandoning heat fully, neither extravagant also can the heated cycle water, saving heat that can be fine.
3. The utility model discloses a preceding horizontal bottom tube, preceding horizontal well pipe, preceding horizontal pipe, the horizontal bottom tube in back, the horizontal well pipe in back, the horizontal pipe in back, end right side return bend, well right side return bend, top right side return bend, end connecting pipe, the absorption heat of well connecting pipe water-logging ensure to arrange the cigarette in the chimney and do not have the heat basically, do not have a little waste of heat.
4. The utility model discloses a preceding base pipe, preceding horizontal well pipe, preceding horizontal pipe, back horizontal well pipe, back horizontal pipe are fixed through preceding opening cover and back opening cover, ensure preceding horizontal base pipe, preceding horizontal well pipe, preceding horizontal pipe, back horizontal base pipe, back horizontal well pipe, back horizontal pipe safe in utilization.
Description of the drawings:
fig. 1 is a schematic structural diagram of the product.
Figure 2 is a cross-sectional view of the product channel.
Fig. 3 is a schematic diagram of the whole structure of the product.
The specific implementation mode is as follows:
the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.
Example 1:
the utility model provides a thermal power plant boiler hot air recirculation system, its constitution includes dust remover 1, chimney 2, dust remover (the dust remover that thermal power plant boiler used) with the chimney between connect through passageway 3, through the thermal cigarette that has that needs to discharge in the passageway, passageway connection draught fan 4, the draught fan can be assisted the cigarette when needing and discharge in the chimney, the passageway in set up preceding horizontal bottom tube 5, preceding horizontal bottom tube connect end right return bend 6, end right return bend connect back horizontal bottom tube 7, back horizontal bottom tube connect end connecting pipe 8, end connecting pipe connect back horizontal well pipe 9, back horizontal well union coupling well return bend 10, well union coupling preceding horizontal well pipe 11, preceding horizontal well union coupling well connecting pipe 12, the circulation effect is good, well connecting pipe connect a circulation combination pipe.
The top circulation combined pipe comprises a front horizontal jacking pipe 13 and a rear horizontal jacking pipe 14, the front horizontal jacking pipe and the rear horizontal jacking pipe are connected through a top right elbow 15, the middle connecting pipe is connected with the front horizontal jacking pipe, and the rear horizontal jacking pipe is connected with an outer through pipe 16 and can smoothly circulate.
The external pipe penetrates through the chimney and is sealed, the external pipe is connected with a circulating pipe 17, the circulating pipe is connected with a circulating pump 18, the circulating pipe is connected with an economizer 19, the economizer is connected with a boiler 20 of a thermal power plant, the circulating pipe is connected with a heat exchanger 21, and the circulating pump is arranged between the external pipe and the heat exchanger. The waste heat heating water with heat can be placed into the heat exchanger, the amount of hot water can be increased, heat can be saved, and waste heat can be prevented.
The front transverse bottom pipe passes through the channel, the front transverse bottom pipe is connected with a pipe hoop 22, the pipe hoop is connected with a water inlet pipe 23, the water inlet pipe is connected with a control valve 24, and the water inlet pipe is connected with a tap water pipe 25. The water inflow of the water inlet pipe can be controlled.
The front transverse bottom pipe, the front transverse middle pipe and the front transverse top pipe are all buckled with a front opening sleeve 26, two sides of the opening end of the front opening sleeve are connected with front clamping plates 27, the front clamping plates are clamped and connected with a front right-angle pulling plate 28 and fixed through bolts, the front right-angle pulling plate is connected with expansion bolts 29 and fixed on the channel, the rear transverse bottom pipe, the rear transverse middle pipe and the rear transverse top pipe are all buckled with a rear opening sleeve 30, two sides of the opening end of the rear opening sleeve are connected with rear clamping plates 31, the rear clamping plates are clamped and connected with a rear right-angle pulling plate 32 and fixed through bolts, and the rear right-angle pulling plate is connected with the expansion bolts and fixed on the channel. The front transverse bottom pipe, the front transverse middle pipe, the front transverse top pipe, the rear transverse bottom pipe, the rear transverse middle pipe and the rear transverse top pipe can be firmly fixed, and the use safety of the product is ensured.
The working principle is as follows:
the front horizontal bottom pipe, the front horizontal middle pipe, the front horizontal top pipe, the rear horizontal bottom pipe, the rear horizontal middle pipe and the rear horizontal top pipe are fixed in the channel, the water inlet pipe is connected with the tap water pipe, the outer through pipe is connected with the circulating pipe, and the waste heat before entering the chimney heats the water in the front horizontal bottom pipe, the front horizontal middle pipe, the front horizontal top pipe, the rear horizontal bottom pipe, the rear horizontal middle pipe and the rear horizontal top pipe to thoroughly absorb the heat of the tail smoke.

Claims (5)

1. The hot air recirculation system of the boiler in the thermal power plant comprises a dust remover (1) and a chimney (2) and is characterized in that the dust remover is connected with the chimney through a channel (3), the channel is connected with an induced draft fan (4), a front transverse bottom pipe (5) is arranged in the channel, the front transverse bottom pipe is connected with a bottom right elbow pipe (6), the bottom right elbow pipe is connected with a rear transverse bottom pipe (7), the rear transverse bottom pipe is connected with a bottom connecting pipe (8), the bottom connecting pipe is connected with a rear transverse middle pipe (9), the rear transverse middle pipe is connected with a middle elbow pipe (10), the middle elbow pipe is connected with a front transverse middle pipe (11), the front transverse middle pipe is connected with a middle connecting pipe (12), and the middle connecting pipe is connected with a top circulation combined pipe.
2. The hot air recirculation system of the boiler in the thermal power plant as claimed in claim 1, wherein the top circulation combined pipe comprises a front horizontal jacking pipe (13) and a rear horizontal jacking pipe (14), the front horizontal jacking pipe and the rear horizontal jacking pipe are connected through a top right elbow (15), the middle connecting pipe is connected with the front horizontal jacking pipe, and the rear horizontal jacking pipe is connected with an outer through pipe (16).
3. The hot air recirculation system of the boiler of the thermal power plant as claimed in claim 2, wherein the external pipe passes through the chimney, the external pipe is connected with a circulation pipe (17), the circulation pipe is connected with a circulation pump (18), the circulation pipe is connected with an economizer (19), the economizer is connected with the boiler (20) of the thermal power plant, the circulation pipe is connected with a heat exchanger (21), and the circulation pump is arranged between the external pipe and the heat exchanger.
4. The hot air recycling system of the boiler of the thermal power plant as claimed in claim 1, wherein the front transverse bottom pipe passes through the channel, the front transverse bottom pipe is connected with a pipe hoop (22), the pipe hoop is connected with an inlet pipe (23), the inlet pipe is connected with a control valve (24), and the inlet pipe is connected with a tap water pipe (25).
5. The hot air recirculation system of the boiler of the thermal power plant as claimed in claim 1, wherein the front transverse bottom tube, the front transverse middle tube and the front transverse top tube are respectively fastened with a front opening sleeve (26), two sides of an opening end of the front opening sleeve are respectively connected with a front clamping plate (27), the front clamping plates are clamped and connected with a front right-angle pulling plate (28) and fixed through bolts, the front right-angle pulling plate is connected with expansion bolts (29) and fixed on the channel, the rear transverse bottom tube, the rear transverse middle tube and the rear transverse top tube are respectively fastened with a rear opening sleeve (30), two sides of an opening end of the rear opening sleeve are respectively connected with a rear clamping plate (31), the rear clamping plates are clamped and connected with a rear right-angle pulling plate (32) and fixed through bolts, and the rear right-angle pulling plate is connected with the expansion bolts and fixed on the channel.
CN202221062124.9U 2022-05-06 2022-05-06 Hot air recirculation system for boiler of thermal power plant Active CN218033107U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221062124.9U CN218033107U (en) 2022-05-06 2022-05-06 Hot air recirculation system for boiler of thermal power plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221062124.9U CN218033107U (en) 2022-05-06 2022-05-06 Hot air recirculation system for boiler of thermal power plant

Publications (1)

Publication Number Publication Date
CN218033107U true CN218033107U (en) 2022-12-13

Family

ID=84371655

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221062124.9U Active CN218033107U (en) 2022-05-06 2022-05-06 Hot air recirculation system for boiler of thermal power plant

Country Status (1)

Country Link
CN (1) CN218033107U (en)

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