CN-121993808-A - Front bottom dust collection cleaning device of boiler tail flue gas waste heat recovery equipment

Abstract

The application provides a dust collection cleaning device at the front bottom of boiler tail flue gas waste heat recovery equipment, which comprises a dust collection assembly and a cleaning assembly, wherein the dust collection assembly comprises a dust collection box, a dust collection bin and a negative pressure bin are arranged in the dust collection box, an air inlet and an air outlet are formed in the side wall of the dust collection box, a filtering piece is arranged between the dust collection bin and the negative pressure bin, a negative pressure fan is arranged in the negative pressure bin, the cleaning assembly comprises a dust collection hose, a hard tube, a handheld tube, an equipment bin, a dust collection cover, a servo motor and a brush head, the output end of the hard tube is communicated with the air inlet through the dust collection hose, the handheld tube is connected with the hard tube through a connecting piece, the equipment bin is arranged at the end of the handheld tube, the dust collection cover is arranged in the equipment bin, the servo motor is arranged in the equipment bin, the brush head is arranged in the dust collection cover and is connected with the servo motor, and the input end of the hard tube is communicated with the inner cavity of the dust collection cover. The device can obviously reduce the labor intensity of manual cleaning, solves the problem that the dead angle is difficult to reach in the traditional mode, and improves the thoroughness and the operation efficiency of cleaning.

Inventors

• YOU LIANG
• ZHANG ZHIXIANG
• XU DANGQI
• XUE NING
• JI HAIMIN
• LEI YU
• WANG BO
• ZHENG DI
• SHI LILONG
• JI JIEHONG
• XIE HUANBIAO
• CHEN SHAOHUA
• XU XINGGUO
• WU ZHENHAI
• DU YANCHENG
• ZHANG JIFANG
• LIU YUQIN

Assignees

• 华能汕头海门发电有限责任公司
• 西安热工研究院有限公司

Dates

Publication Date

20260508

Application Date

20260312

Claims (10)

1. 1. The utility model provides a boiler afterbody flue gas waste heat recovery equipment front bottom deposition cleaning device which characterized in that includes: The dust collection assembly comprises a dust collection box, a dust collection bin and a negative pressure bin are arranged in the dust collection box, an air inlet communicated with the dust collection bin and an air outlet communicated with the negative pressure bin are arranged on the side wall of the dust collection box, a filter piece is arranged between the dust collection bin and the negative pressure bin, and a negative pressure fan is arranged in the negative pressure bin; The cleaning assembly comprises a dust collecting hose, a hard pipe, a handheld pipe, an equipment bin, a dust collecting cover, a servo motor and a brush head, wherein the output end of the hard pipe is communicated with the air inlet through the dust collecting hose, the handheld pipe is connected with the hard pipe through a connecting piece, the equipment bin is arranged at the end part of the handheld pipe, the dust collecting cover is arranged in the equipment bin, the servo motor is arranged in the equipment bin, and the brush head is arranged in the dust collecting cover and is detachably connected with the driving end of the servo motor, and the input end of the hard pipe is communicated with the inner cavity of the dust collecting cover.
2. 2. The device for cleaning ash deposited at the front bottom of a tail flue gas waste heat recovery device of a boiler according to claim 1, wherein the exhaust port is provided with a check valve.
3. 3. The dust cleaning apparatus for the front bottom of a boiler tail gas waste heat recovery device according to claim 1, wherein the exhaust port is provided with a dust screen.
4. 4. The device for cleaning the dust deposited at the front bottom of the tail flue gas waste heat recovery device of the boiler according to claim 1, wherein a first top cover in sealing connection with the dust collection bin and a second top cover in sealing connection with the negative pressure bin are arranged at the top of the dust collection bin.
5. 5. The dust collection device at the front bottom of the tail flue gas waste heat recovery device of the boiler according to claim 1, wherein universal wheels with locking structures are arranged at four corners of the bottom of the dust collection box.
6. 6. The ash collection cleaning device at the front bottom of the boiler tail flue gas waste heat recovery equipment according to claim 1, wherein a six-edge jack is arranged at the driving end of the servo motor, and a six-edge inserted bar which is in shape with the six-edge jack and can magnetically attract the brush head is arranged on the brush head.
7. 7. The ash removal device for the front bottom of the boiler tail flue gas waste heat recovery equipment according to claim 1, wherein the cleaning assembly further comprises a lithium battery, the lithium battery is arranged in the equipment bin, and the lithium battery is electrically connected with the servo motor and the negative pressure fan.
8. 8. The boiler tail flue gas waste heat recovery device front bottom ash deposition cleaning device according to claim 7, wherein the lithium battery is provided with a charging port, and the charging port is arranged on the side wall of the device bin.
9. 9. The boiler tail flue gas waste heat recovery device front bottom ash collection cleaning device according to claim 1, wherein the cleaning assembly further comprises a controller, the controller is arranged on the handheld pipe, the controller is electrically connected with the servo motor and the negative pressure fan, and the controller is configured to control the start and stop and the rotating speed of the servo motor and the negative pressure fan.
10. 10. The device for cleaning ash deposited at the front bottom of the tail flue gas waste heat recovery equipment of a boiler according to claim 9, wherein the controller is provided with a display screen and an operation button, the operation button is used for inputting control instructions by an operator to control the start-stop and the rotating speed of the servo motor and the negative pressure fan, and the display is used for displaying running state information of the servo motor and the negative pressure fan in real time.

Description

Front bottom dust collection cleaning device of boiler tail flue gas waste heat recovery equipment Technical Field The application relates to the technical field of dust collection cleaning equipment, in particular to a dust collection cleaning device at the front bottom of boiler tail flue gas waste heat recovery equipment. Background The boiler tail flue gas waste heat recovery device is important energy-saving equipment in a boiler system, and has the core effects of recovering waste heat in flue gas discharged from the tail of the boiler, reducing the flue gas discharge temperature, improving the thermal efficiency of the boiler and reducing energy waste. In the long-term operation process of the boiler, a large amount of dust, ash and other impurities mixed in the flue gas can continuously settle at the front bottom of the flue gas waste heat recovery device at the tail of the boiler due to the action of gravity, so that accumulated ash is formed and accumulated. The long-term accumulation of deposited ash can bring multiple hidden troubles, on one hand, the smoke circulation channel at the front bottom of the equipment can be blocked, the smoke circulation efficiency is reduced, the waste heat recovery effect is further weakened, the energy utilization rate is reduced, on the other hand, acidic and other corrosive substances contained in the deposited ash can be attached to the inner wall of the equipment and related parts for a long time, the corrosion of the parts is accelerated, the service life of the equipment is shortened, and the maintenance cost of the equipment is increased. At present, the cleaning mode of the deposited dust at the part in the industry mostly adopts a manual handheld cleaning tool for cleaning, the mode is high in labor intensity and low in cleaning efficiency, a plurality of dead angle areas exist at the front bottom of the equipment, and the deposited dust is difficult to clean thoroughly. Disclosure of Invention The embodiment of the application at least provides a cleaning device for dust deposition at the front bottom of a boiler tail flue gas waste heat recovery device, which can remarkably reduce the labor intensity of manual cleaning, solve the problem that dead corners are difficult to reach in the traditional mode, and improve the cleaning thoroughness and the working efficiency. The embodiment of the application provides a front bottom ash deposition cleaning device of a boiler tail flue gas waste heat recovery device, which comprises the following components: The dust collection assembly comprises a dust collection box, a dust collection bin and a negative pressure bin are arranged in the dust collection box, an air inlet communicated with the dust collection bin and an air outlet communicated with the negative pressure bin are arranged on the side wall of the dust collection box, a filter piece is arranged between the dust collection bin and the negative pressure bin, and a negative pressure fan is arranged in the negative pressure bin; The cleaning assembly comprises a dust collecting hose, a hard pipe, a handheld pipe, an equipment bin, a dust collecting cover, a servo motor and a brush head, wherein the output end of the hard pipe is communicated with the air inlet through the dust collecting hose, the handheld pipe is connected with the hard pipe through a connecting piece, the equipment bin is arranged at the end part of the handheld pipe, the dust collecting cover is arranged in the equipment bin, the servo motor is arranged in the equipment bin, and the brush head is arranged in the dust collecting cover and is detachably connected with the driving end of the servo motor, and the input end of the hard pipe is communicated with the inner cavity of the dust collecting cover. In an alternative embodiment, the exhaust port is provided with a non-return valve. In an alternative embodiment, the exhaust port is provided with a dust screen. In an alternative embodiment, the top of the dust collection box is provided with a first top cover in sealing connection with the dust collection bin and a second top cover in sealing connection with the negative pressure bin. In an alternative embodiment, four corners of the bottom of the dust box are provided with universal wheels with locking structures. In an alternative embodiment, the driving end of the servo motor is provided with a hexagonal jack, and the brush head is provided with a hexagonal inserted bar which is in shape with the hexagonal jack and can magnetically attract the hexagonal inserted bar. In an alternative embodiment, the cleaning assembly further comprises a lithium battery, wherein the lithium battery is arranged in the equipment bin and is electrically connected with the servo motor and the negative pressure fan. In an alternative embodiment, the lithium battery has a charging port, which is disposed on the equipment compartment sidewall. In an alternative embodiment, the cleaning assembly further c