CN-121623492-B - Fire grate furnace incineration fly ash collecting and purifying device

CN121623492BCN 121623492 BCN121623492 BCN 121623492BCN-121623492-B

Abstract

The invention relates to the technical field of fire grate furnaces and discloses a fire grate incineration fly ash collecting and purifying device, which comprises a box body, wherein an air inlet end is formed in the upper side wall of the box body, an atomization nozzle is fixedly arranged in the air inlet end, a filter chamber is rotatably connected in the box body, a partition plate is fixedly arranged in the filter chamber to divide the interior of the filter chamber into two chambers, flow channels are formed in the surfaces of the partition plate and the filter chamber, two collecting assemblies with opposite directions are respectively arranged in the two chambers, each collecting assembly comprises a compression chamber and an impeller, the compression chambers are fixedly arranged at positions, corresponding to the flow channels, of the inner walls of the partition plate, a filter bag is rotatably arranged at one end of each compression chamber, and a pressing piece is fixedly arranged at the other end of each filter bag. The invention can realize the ash removal without stopping the machine, and the driving equipment drives the filter chamber to rotate and switch the two collection assemblies with opposite directions, so that the other group of normal use is not influenced during ash removal, the problem that the traditional ash removal needs to be stopped is solved, and the working efficiency is improved.

Inventors

LIU JUNMING
HU GANG
XIAO WEN
ZHAO DENGQUAN
ZOU YANHONG
ZHU XIANQIANG
YAN CHANGDE
LIU HUANHUAN
CHEN TINGBIN
WANG HAILONG
ZHANG ZHONGWU
YANG YANG
WANG QIANWEI
DONG JIA
GAO YONGBO

Assignees

四川能投节能环保投资有限公司
四川师范大学

Dates

Publication Date: 20260508
Application Date: 20260203

Claims (3)

1. The utility model provides a fire grate incineration fly ash collection and purification device, includes box (1), the upper side wall of box (1) has seted up the inlet end, and atomizer (2) have been set firmly to the inside of inlet end, wherein, box (1) inside rotates and is connected with filter chamber (3), the inside of filter chamber (3) has set firmly baffle (4) separates out two cavities with the inside of filter chamber (3), the circulation passageway has all been seted up to the surface of baffle (4) and filter chamber (3), two collection subassembly (5) that are opposite in orientation are provided with respectively in the cavity inside, collection subassembly (5) are including setting firmly compression chamber (501) and impeller (504) in baffle (4) inner wall corresponding circulation passageway department, compression chamber (501) one end rotates and is provided with filter bag (502), the other end of filter bag (502) has set firmly compact piece (503), the outside of compact piece (503) runs through and is provided with support piece (506), the both ends of support piece (506) are connected with compression chamber (504) and baffle (4) rotation respectively, collection subassembly (5) that are opposite in orientation, collection subassembly (5) are including the compression piece (502) through the joint body (503) of the rotation of the baffle (4) and filter bag (1), a plurality of groups of pull ropes (5024) are fixedly arranged on the surface of the bag body (5021) from top to bottom, a plurality of hard ring bodies (5022) are fixedly arranged on the outer side wall of the bag body (5021), limiting ropes (5023) are fixedly arranged on the opposite sides of two adjacent ring bodies (5022) together, the supporting piece (506) penetrates through the ring body (5022), the other end of the pull rope (5024) is connected with the ring body (5022) through a connecting piece (5025), the pull rope (5024) adopts an inelastic rope body, the connecting piece (5025) is arranged into an I shape and is transversely connected with the ring body (5022) in a sliding manner, and the surface of the connecting piece (5025) is sleeved with an elastic piece II (5026), the outer side of the connecting piece (5025) is provided with a mounting ring (5027) fixedly arranged in the filtering chamber (3), a plurality of bulges (5028) are fixedly arranged on the inner wall of the mounting ring (5027), an annular member (507) is provided inside the compression chamber (501), two sides of the annular piece (507) are respectively connected with a semicircular cover plate (508) through a torsion spring rotating shaft in a rotating way, an electric pushing cylinder II (509) is fixedly embedded in the annular piece (507), an annular groove (510) is formed in the inner side wall of the compression chamber (501), an activated carbon plate (521) is fixedly arranged in the annular piece (507), and the clamping piece (505) comprises a mounting cavity (5051), Cavity (5053) and electric push cylinder one (5059), install cavity (5051) and set firmly inside clamp rod (5052) that elasticity is scalable in compressing tightly piece (503), cavity (5053) are seted up at impeller (504) axle top, clamp groove (5054) has been seted up to the lateral wall of cavity (5053) corresponding to clamp rod (5052) department, electric push cylinder one (5059) sets firmly in the top of box (1) corresponding to cavity (5053) department, open fluting (5031) on the surface of compressing tightly piece (503), the inside of fluting (5031) is provided with counter weight ring (5032) that ferromagnetic material made, rotatable expansion piece (5033) have been set firmly between counter weight ring (5032) and fluting (5031), the lateral wall of baffle (4) has set firmly electro-magnet (5034), install mounting hole (516) have been seted up to inside clamp rod (5052), the inside slip of mounting hole (516) is provided with limit bit (517), the surface of limit bit (517) is equipped with three clamp members (5053) and is provided with the counter weight ring (5033) that ferromagnetic material made, the lateral wall (5053) has the counter weight of connecting with one end (5053) is seted up perpendicularly to the lateral wall (519), the inside of cavity (5053) is connected with card lid (5056) along vertical direction sliding, set firmly between card lid (5056) and cavity (5053) elastic component one (5057).
2. The incineration fly ash collecting and purifying device of the grate furnace, according to claim 1, is characterized in that the pull rope (5024) is made of an elastic material rope body, and the connecting piece (5025) is fixedly connected with the ring body (5022).
3. The incineration fly ash collecting and purifying device of the grate furnace, which is characterized in that a first cylinder (511) which is vertically arranged is fixedly arranged on the lower side of the box body (1) and below the compression chamber (501), a second cylinder (514) is transversely and fixedly arranged on the lower side of the box body (1), a push plate (515) is fixedly arranged at the driving end of the second cylinder (514), and a conveyor (6) is arranged on one side of the box body (1).

Description

Fire grate furnace incineration fly ash collecting and purifying device Technical Field The invention relates to the technical field of fire grate furnaces, in particular to a fire grate furnace incineration fly ash collecting and purifying device. Background The grate type incinerator (simply referred to as grate) can adopt two feeding modes according to different feeding materials, such as coal or garbage, and the like, wherein one feeding mode is to convey materials into a hopper of the grate through a conveyor and then convey the materials into the grate through the hopper, and the other feeding mode is to convey fuels into the hopper through a trolley and then convey the fuels into the grate through the hopper, and a large amount of fly ash is generated in the incineration process, and the fly ash contains various harmful substances, such as dioxin and heavy metals, which seriously threatens the environment, so that effective collection and purification treatment are required. Traditional fly ash collection mainly relies on a dust remover, but long-term use can lead to dust accumulation of a cloth bag, periodic cleaning is needed, and the process is time-consuming and laborious and requires shutdown operation. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a device for collecting and purifying incineration fly ash of a grate furnace, which solves the problems that cloth bag cleaning is time-consuming and labor-consuming and shutdown operation is required in the prior art. The invention aims at achieving the purposes, and the technical scheme is that the incineration fly ash collecting and purifying device of the grate furnace comprises a box body, wherein an air inlet end is formed in the upper side wall of the box body, an atomization nozzle is fixedly arranged in the air inlet end, a filtering chamber is rotatably connected in the box body, a partition plate is fixedly arranged in the filtering chamber to divide the inside of the filtering chamber into two chambers, flow channels are formed in the surfaces of the partition plate and the filtering chamber, two collecting assemblies with opposite directions are respectively arranged in the two chambers, each collecting assembly comprises a compression chamber and an impeller, the compression chambers are fixedly arranged at the positions of the inner walls of the partition plate corresponding to the flow channels, one end of each compression chamber is rotatably provided with a filter bag, the other end of each filter bag is fixedly provided with a compressing piece, a supporting piece penetrates through the outer side of each compressing piece, two ends of each supporting piece are rotatably connected with the compression chamber and the partition plate, each impeller is rotatably arranged on the surface of the partition plate, and a shaft of each impeller is clamped with each compressing piece through a clamping piece. Preferably, the filter bag comprises a bag body, a plurality of groups of pull ropes are fixedly arranged on the surface of the bag body from top to bottom, a plurality of hard ring bodies are fixedly arranged on the outer side wall of the bag body, limiting ropes are fixedly arranged on the opposite sides of two adjacent ring bodies together, the supporting piece penetrates through the ring bodies, and the other ends of the pull ropes are connected with the ring bodies through connecting pieces. Preferably, the stay cord adopts the inelastic rope body, the connecting piece is established to the worker shape and transversely with ring body sliding connection, and the surface cover of connecting piece is equipped with the elastic component two, the outside of connecting piece is provided with the collar of setting firmly in the filter chamber inside, the inner wall of collar has set firmly a plurality of arch. Preferably, the pull rope is made of an elastic material rope body, and the connecting piece is fixedly connected with the ring body. Preferably, the surface of the pressing piece is provided with a slot, a counterweight ring made of ferromagnetic materials is arranged in the slot, a rotary telescopic piece is fixedly arranged between the counterweight ring and the slot, and an electromagnet is fixedly arranged on the outer side wall of the partition plate. Preferably, an annular part is arranged in the compression chamber, semicircular cover plates are respectively connected to two sides of the annular part through torsion spring rotating shafts in a rotating mode, an electric pushing cylinder II is fixedly embedded in the annular part, an annular groove is formed in the inner side wall of the compression chamber, and an activated carbon plate is fixedly arranged in the annular part. Preferably, the clamping piece comprises a mounting cavity, a cavity and an electric pushing cylinder I, the mounting cavity is formed in the pressing piece and fixedly provided with an elastic telescopic clamp