CN-116658919-B - Boiler ash cleaning method and device

CN116658919BCN 116658919 BCN116658919 BCN 116658919BCN-116658919-B

Abstract

The invention discloses a method and a device for cleaning boiler ash, which comprise the steps of putting a cleaning device into a boiler, enabling a cleaning part in the cleaning device to contact and prop against the inner wall of the boiler, pushing the cleaning part to move relative to the inner wall of the boiler by the cleaning device to clean the ash on the inner wall of the boiler, and collecting and uniformly treating the scraped ash by a collecting part in the cleaning device. According to the boiler ash cleaning method and device, the cleaning device advances in the boiler pipeline, the cleaning part of the cleaning device is in contact with the inner wall of the boiler, the inner wall of the boiler can be scraped and cleaned when the cleaning device advances, and meanwhile, the cleaned ash can be scooped up and collected by the collecting part moving along with the cleaning device, and the ash is uniformly processed.

Inventors

RUAN JIAN
Zang Guozhuang
Geng Yanming
CHEN JIAN
ZHANG JIAN
MEI LING
CHEN LEI
Bu Jianchang
LU QUN
LIN MENG
ZHANG PANFENG
BAI SHOUYOU

Assignees

华能(浙江)能源开发有限公司玉环分公司

Dates

Publication Date: 20260508
Application Date: 20230321

Claims (8)

1. The boiler ash cleaning device is characterized by comprising a cleaning device (M) which comprises; The cleaning unit (100) comprises a driving box (101), a driving shaft (102) arranged in the driving box (101), a cleaning assembly (103) arranged at the end part of the driving shaft (102), and travelling wheels (104) arranged at two sides of the driving box (101); a water spraying unit (200) comprising a high-pressure water tank (201) arranged at the top end of the driving box (101), a transfer assembly (202) arranged on the driving shaft (102) and connected with the high-pressure water tank (201), and a spraying assembly (203) arranged between the transfer assembly (202) and the cleaning assembly (103), and The collecting unit (300) comprises a collecting box (301) arranged at the bottom end of the driving box (101) and abutted against the cleaning component (103) in a rotating way, and a grinding component (302) arranged between the collecting box (301) and the transferring component (202); The transfer assembly (202) comprises a first transfer box (202 a) sleeved on the driving shaft (102), a connecting pipe (202 b) arranged between the first transfer box (202 a) and the high-pressure water tank (201), and a second transfer box (202 c) arranged at the end part of the driving shaft (102) and rotationally sealed with the first transfer box (202 a), wherein the second transfer box (202 c) is connected with the cleaning assembly (103); the crushing assembly (302) comprises a mounting frame (302 a) which is arranged at the top end of the collecting box (301) and is 匚 -shaped, a rolling part (302 b) which is arranged on the mounting frame (302 a) in the collecting box (301) in a sliding manner, a first elastic piece (302 c) which is arranged between the mounting frame (302 a) and the rolling part (302 b), and a driving part (302 d) which is arranged between the mounting frame (302 a) and the second transfer box (202 c) and is used for driving the rolling part (302 b).
2. The boiler ash cleaning device according to claim 1, characterized in that said injection assembly (203) comprises a plurality of support pipes (203 a) provided on said second transfer box (202 c), and an injection head (203 b) provided at an end of said support pipes (203 a); The cleaning assembly (103) comprises a cleaning ring (103 a) arranged on the supporting tube (203 a), a plurality of slag leakage grooves (103 b) obliquely arranged on the cleaning ring (103 a), a plurality of arc-shaped scraping plates (103 c) arranged on the sides of the slag leakage grooves (103 b), and a scraping ring (103 d) arranged on the outer side of the cleaning ring (103 a).
3. The boiler ash cleaning device according to claim 2, characterized in that said driving part (302 d) comprises a mounting cylinder (302 d-1) provided at the top end of said mounting frame (302 a), a telescopic rod (302 d-2) slidably provided at the bottom end of said mounting cylinder (302 d-1) and passing through said mounting frame (302 a) to abut against said rolling part (302 b), a plurality of air injection pipes (302 d-3) provided at the top end of said mounting cylinder (302 d-1), an extrusion member (302 d-4) provided on said air injection pipe (302 d-3), a connecting pressing plate (302 d-5) provided on a plurality of said extrusion members (302 d-4), a moving block (302 d-6) provided on said connecting pressing plate (302 d-5), and a wave-shaped slope (302 d-7) provided outside said second transfer box (202 c) and slidably fitted with said moving block (302 d-6).
4. The boiler ash cleaning device according to claim 3, characterized in that said rolling portion (302 b) comprises a slide column (302 b-1) disposed at the bottom end of said first elastic member (302 c) and abutting against the bottom end of said telescopic rod (302 d-2), and an arc-shaped pressing plate (302 b-2) disposed at the lower end of said slide column (302 b-1).
5. The boiler ash cleaning device according to claim 4, characterized in that a plurality of arc-shaped mounting pipes (302 b-3) are arranged on the arc-shaped pressing plate (302 b-2), and bending claws (302 b-4) are elastically arranged in the arc-shaped mounting pipes (302 b-3), and the bending direction of the bending claws (302 b-4) is in the same direction as the cleaning assembly (103).
6. A method for cleaning boiler ash is characterized by comprising the boiler ash cleaning device as set forth in claim 5, Placing the cleaning device (M) into a boiler to enable a cleaning unit in the cleaning device to contact and prop against the inner wall of the boiler; The cleaning unit can be pushed to move relative to the inner wall of the boiler by the cleaning device (M) to move in the boiler so as to clean ash residues on the inner wall of the boiler, and The scraped ash is collected and uniformly treated by a collecting unit in the cleaning device (M).
7. The boiler ash cleaning method according to claim 6, wherein the cleaning unit of the cleaning device (M) can rotate, an arc-shaped scraping plate which is obliquely arranged is arranged on the outer side of the cleaning unit, the arc-shaped scraping plate can drive the cleaning device (M) to advance and scrape ash when rotating to contact with the inner wall of the boiler, a slag leakage groove for removing ash is formed in the cleaning unit, the ash falls into the collecting unit from the slag leakage groove, a grinding assembly for beating and grinding the ash is arranged on the collecting unit, and occupied space of the ash is reduced.
8. The method for cleaning ash in a boiler according to claim 6 or 7, wherein the cleaning device (M) is further provided with a water spraying unit, a water outlet of the water spraying unit is positioned in front of the cleaning unit, and ash to be cleaned is sprayed with water for softening, so that cleaning is facilitated.

Description

Boiler ash cleaning method and device Technical Field The invention relates to the technical field of boiler cleaning, in particular to a boiler ash cleaning method and device. Background The boiler is energy conversion equipment, and the energy input to the boiler has chemical energy and electric energy in fuel, and the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy, and in the use of the boiler, ash can be adhered in the inner wall pipeline of the boiler, and the ash can influence the energy conversion of the boiler, and the existing manual work that adopts is shoveled the ash in the boiler, is shoveled ash into the shallow and is carried out, and workman intensity of labour is big, and ash clearance is difficult. Therefore, the invention provides a boiler ash cleaning method and a boiler ash cleaning device. Disclosure of Invention This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application. The invention is provided in view of the problem that the existing boiler ash cleaning adopts manual work to remove ash in the boiler and is difficult to clean. Therefore, one of the purposes of the invention is to provide a boiler ash cleaning method, which aims to automatically scoop out boiler ash and improve the cleaning efficiency. The boiler ash cleaning method comprises the following steps that a cleaning device is placed into a boiler, the cleaning portion of the boiler ash cleaning device is contacted and abutted with the inner wall of the boiler, the cleaning portion can be pushed to move relative to the inner wall of the boiler to clean ash on the inner wall of the boiler by the cleaning device advancing in the boiler, and the scraped ash is collected and uniformly treated by a collecting portion in the cleaning device. The boiler ash cleaning method is characterized in that a cleaning part of the cleaning device can rotate, a scraper blade which is obliquely arranged is arranged on the outer side of the cleaning part, the scraper blade can drive the cleaning device to advance when rotating to contact with the inner wall of a boiler and simultaneously scrape ash, a leakage groove for removing ash is arranged on the cleaning part, the ash falls into a collecting part from the leakage groove, and a grinding piece for beating and grinding the ash is arranged on the collecting part, so that the occupied space of the ash is reduced. As an optimal scheme of the boiler ash cleaning method, the cleaning device is also provided with the water spraying part, the water outlet of the water spraying part is positioned in front of the cleaning part, and the ash to be cleaned is sprayed with water to be softened, so that the cleaning is facilitated. The method has the advantages that the cleaning part of the cleaning device contacts with the inner wall of the boiler by the cleaning device advancing in the boiler pipeline, the inner wall of the boiler can be scraped and cleaned when the cleaning device advances, and meanwhile, the cleaned ash slag can be scooped up and collected by the collecting part moving along with the cleaning device to be uniformly treated. The invention further aims to provide a boiler ash cleaning device which aims to automatically scoop out boiler ash and collect and clean the boiler ash so as to improve cleaning efficiency. The boiler ash cleaning device comprises a cleaning device, a cleaning unit, a cleaning device and a cleaning device, wherein the cleaning device comprises a driving box, a driving shaft arranged in the driving box, a cleaning assembly arranged at the end part of the driving shaft and travelling wheels arranged at two sides of the driving box; The water spraying unit comprises a high-pressure water tank arranged at the top end of the driving box, a transfer assembly arranged on the driving shaft and connected with the high-pressure water tank, a spraying assembly arranged between the transfer assembly and the cleaning assembly, a collecting unit comprising a collecting box arranged at the bottom end of the driving box and abutted against the cleaning assembly in a rotating way, and a grinding assembly arranged in the collecting box and the transfer assembly. As a preferable scheme of the boiler ash cleaning device, the transfer assembly comprises a first transfer box sleeved on the driving shaft, a connecting pipe arranged between the first transfer box and the high-pressure water tank, and a second transfer box arranged at the end part of the driving shaft and rotationally sealed with the first transfer box, wherein the second transfer box is connected with the cleaning assembly. The injection assembly comprises a plurality of support pipes arranged