CN217410184U

CN217410184U - Boiler ash humidifying spraying dust-settling device

Info

Publication number: CN217410184U
Application number: CN202220726121.4U
Authority: CN
Inventors: 刘瑞会; 张庆海; 刘鑫; 邵永飞; 卢振林; 柳兴龙; 王培清; 郝振华
Original assignee: Jiu Tai Energy Ordos Co ltd; Jiutai Energy Jungle Co ltd; Inner Mongolia Jiutai New Material Technology Co ltd
Current assignee: Jiu Tai Energy Ordos Co ltd; Jiutai Energy Jungle Co ltd; Inner Mongolia Jiutai New Material Technology Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-09-13
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a boiler ash humidifying spraying dust-settling device, which comprises a slag bin, a lower slag pipe, an annular water pipe, a water storage tank, a dust hood, a dust remover and a filtering device; a filter device is fixed at the dust outlet of the dust hood. The advantages are that: the atomizing nozzle is arranged towards the ash discharging direction, ash can be vertically sprinkled on a vehicle to generate raised dust under the action of gravity, the atomizing nozzle can humidify and reduce dust of the raised dust, and meanwhile, a water film is formed on the surface of the ash of the vehicle, so that the dust can be conveniently hung subsequently, the problem of raised dust can be prevented in the transportation process, and the subsequent treatment of the ash is not influenced; the dust collector used by the dust hood and the slag bin is used for sucking the flying dust generated in the slag discharging process, and meanwhile, the flying dust which is not completely solved by the atomizing nozzle is treated; the problems of on-site environmental sanitation and personnel health and safety are solved under the cooperation of the annular water pipe, the atomizing spray head and the dust hood.

Description

Boiler ash humidifying spraying dust-settling device

The technical field is as follows:

the utility model relates to a dust removal technical field, concretely relates to boiler ash humidification sprays dust device.

Background art:

the boiler slag bin is a boiler slag storage device, boiler slag is lifted to the top of the slag bin through a boiler slag cooler to a conveying belt and enters the slag bin through a lifter, generated dust is sucked through a dust collector arranged at the top of the slag bin in the slag conveying process, the dust is conveyed to the slag bin, the slag in the slag bin is periodically conveyed to a designated area of a park through a special transport vehicle for treatment, but when the slag bin discharges slag to the vehicle, as most of the slag discharged by the boiler is particles, but part of fine ash also exists, and the part of fine ash can generate part of dust in the slag bin slag discharging vehicle process, so that the environmental pollution can be caused, and along with the stricter environmental protection requirements, no dust is generated in the slag bin conveying process; secondly, the health of field operators is threatened, and the later cleaning work is not facilitated.

The utility model has the following contents:

an object of the utility model is to provide a boiler lime-ash humidification sprays dust device.

The utility model discloses by following technical scheme implement: the boiler ash humidifying and spraying dust-settling device comprises a slag bin, a slag discharging pipe, an annular water pipe, a water storage tank, a dust hood, a dust remover and a filtering device;

the outlet of the slag bin is connected with the slag discharging pipe, the slag discharging pipe is provided with a flow valve, the pipe wall of the bottom end of the slag discharging pipe is fixedly provided with an annular water pipe which is coaxial with the slag discharging pipe, the inlet of the annular water pipe is connected with the outlet pipeline of the water storage tank, the bottom end of the annular water pipe is fixedly provided with a plurality of atomizing nozzles, the water inlets of the atomizing nozzles are communicated with the inside of the annular water pipe, the atomizing nozzles are arranged towards the discharging direction of ash slag, the dust hood is fixedly arranged on the slag discharging pipe above the annular water pipe, and the dust hood is covered outside the annular water pipe; a dust outlet is formed in the dust collection cover, the dust outlet of the dust collection cover is fixedly connected with an inlet of the dust remover through a dust collection pipe, and an outlet of the dust remover is communicated with the interior of the slag bin;

the filter device is arranged in the dust hood and is fixedly connected with the dust outlet of the dust hood.

Furthermore, an observation window is arranged on the outer wall of the dust hood.

Furthermore, a stop valve and a water pump are arranged on a pipeline between the inlet of the annular water pipe and the outlet of the water storage tank.

Furthermore, the filtering device comprises a mesh-shaped filter cylinder arranged inside the dust hood, the top end of the mesh-shaped filter cylinder is open, the bottom end of the mesh-shaped filter cylinder is closed, the top end of the mesh-shaped filter cylinder is connected with a dust outlet of the dust hood through a bolt, and a filter cylinder cleaning device is arranged in the dust suction pipe.

Furthermore, the filter cartridge cleaning device comprises a guide pipe and a blowing nozzle, the guide pipe is arranged in the dust collection pipe along the length direction of the dust collection pipe, the inlet end of the guide pipe penetrates through the dust collection pipe and is communicated with an air source outlet arranged outside the dust collection pipe, and the outlet end of the guide pipe is connected with the blowing nozzle facing the mesh filter cartridge.

Further, the air source is a compressed air source.

The utility model has the advantages that: the atomizing nozzle is arranged towards the ash discharging direction, ash can be vertically sprinkled on a vehicle to generate raised dust under the action of gravity, the atomizing nozzle can humidify and reduce dust of the raised dust, and meanwhile, a water film is formed on the surface of the ash of the vehicle, so that the dust can be conveniently hung subsequently, the problem of raised dust can be prevented in the transportation process, and the subsequent treatment of the ash is not influenced; the dust collector used by the dust hood and the slag bin sucks raised dust generated in the slag discharging process, and simultaneously treats the raised dust which is not completely solved by the atomizing nozzle; the problems of on-site environmental sanitation and personnel health and safety are solved under the cooperation of the annular water pipe, the atomizing spray head and the dust hood.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1;

in the figure: the device comprises a slag bin 1, a slag discharging pipe 2, an annular water pipe 3, a water storage tank 4, a dust hood 5, a dust remover 6, a filtering device 7, a stop valve 8, a water pump 9, an atomizing nozzle 10, a dust suction pipe 11, a net-shaped filter cylinder 12, a bolt 13, a filter cylinder cleaning device 14, a guide pipe 15, an air source 17, a blowing nozzle 16, an observation window 18 and a flow valve 19.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-2, the boiler ash humidifying, spraying and dust-settling device comprises a slag bin 1, a slag discharging pipe 2, an annular water pipe 3, a water storage tank 4, a dust hood 5, a dust remover 6 and a filtering device 7;

the outlet of the slag bin 1 is connected with a slag discharging pipe 2, a flow valve 19 is arranged on the slag discharging pipe 2, an annular water pipe 3 which is coaxial with the slag discharging pipe 2 is fixed on the pipe wall at the bottom end of the slag discharging pipe 2, the annular water pipe 3 is connected with the pipe wall of the slag discharging pipe 2 through a support, the inlet of the annular water pipe 3 is connected with the outlet pipeline of the water storage tank 4, a stop valve 8 and a water suction pump 9 are arranged on the pipeline between the inlet of the annular water pipe 3 and the outlet of the water storage tank 4, the sprayed water quantity is convenient to control through the stop valve 8 and the water suction pump 9, the water in the water storage tank 4 is recycled boiler water, the water resource is saved, and the waste water is utilized; the bottom end of the annular water pipe 3 is fixedly provided with a plurality of atomizing nozzles 10, water inlets of the atomizing nozzles 10 are communicated with the interior of the annular water pipe 3, the atomizing nozzles 10 are arranged towards the discharging direction of ash slag, the ash slag can vertically fall on a vehicle under the action of gravity to generate raised dust, moisture sprayed by the atomizing nozzles 10 can humidify and reduce the raised dust, meanwhile, a water film is formed on the surface of the ash slag of the vehicle, so that the subsequent hanging of the dust is facilitated, the problem of raising the dust can be prevented in the transportation process, and the subsequent treatment of the ash slag is not influenced; a dust hood 5 is fixed on the lower slag pipe 2 above the annular water pipe 3, and the dust hood 5 is covered outside the annular water pipe 3; a dust outlet is formed in the dust hood 5, the dust outlet of the dust hood 5 is fixedly connected with an inlet of the dust remover 6 through a dust suction pipe 11, the dust remover 6 is fixed on the outer wall of the slag bin 1 in the embodiment, an outlet of the dust remover 6 is communicated with the interior of the slag bin 1, and the dust remover 6 recovers dust into the slag bin 1 after falling; the dust collector 6 and the dust hood 5 are used for sucking the flying dust generated in the slag discharging process, the flying dust which is not completely solved by the atomizer 10 is treated, and the problems of site environmental sanitation and personnel safety are solved under the cooperation of the atomizer 10.

The inside of suction hood 5 is equipped with filter equipment 7, filter equipment 7 and suction hood 5's dust outlet fixed connection, suction hood 5 is under the effect of suction, some granule lime-ash also can be smugglied secretly to the raise dust, get into suction hood 5 together, filter equipment 7 can intercept this part lime-ash, the pipe 11 jam of dust absorption and the problem of gluing the wall have effectively been solved, the maintenance time has been prolonged, filter equipment 7 is including setting up the netted section of thick bamboo 12 of straining in suction hood 5 inside, the top of netted section of thick bamboo 12 is uncovered, the bottom is sealed, the top of netted section of thick bamboo 12 is connected with suction hood 5's dust outlet bolt 13, the convenience is strained netted section of thick bamboo 12 and is pulled down the clearance.

A filter cartridge cleaning device 14 is arranged in the dust collection pipe 11, the filter cartridge cleaning device 14 comprises a guide pipe 15 and a blowing nozzle 16, the guide pipe 15 arranged along the length direction of the dust collection pipe 11 is arranged in the dust collection pipe 11, the inlet end of the guide pipe 15 penetrates through the dust collection pipe 11 and is communicated with an outlet of an air source 17 arranged outside the dust collection pipe 11, the air source 17 is a compressed air source, the outlet end of the guide pipe 15 is connected with the blowing nozzle 16 arranged towards the net-shaped filter cartridge 12, the blowing nozzle 16 can be a rotary nozzle, a switch of the air source 17 is periodically opened, compressed air enters the dust collection pipe 11 through the guide pipe 15, the net-shaped filter cartridge 12 is blown from top to bottom through the blowing nozzle 16, and dust and impurities hung on the net-shaped filter cartridge 12 are cleaned.

The outer wall of the dust hood 5 is provided with an observation window 18, in the slag discharging process, the dust raising amount, the spray nozzle atomization condition, the slag discharging condition and the like can be conveniently observed through the observation window 18, and the water spray pressure and the water spray amount of the spray nozzle and the slag discharging amount of the slag discharging pipe 2 can be adjusted according to actual conditions.

Preferably, the slag discharging pipe 2 and the dust suction pipe 11 are telescopic pipes, and a pipeline between an inlet of the annular water pipe 3 and an outlet of the water storage tank 4 and a pipeline between an inlet of the conduit 15 and an outlet of the air source 17 are hoses, so that the adjustment is convenient according to the loading height.

Instructions for use:

after a transport vehicle reaches the lower part of the slag discharging pipe 2, a flow valve 19 is opened, ash residues are filled into the transport vehicle through the slag discharging pipe 2, a stop valve 8 and a water pump 9 are opened at the same time, water in a water storage tank 4 enters an annular water pipe 3 through the water pump 9 and the stop valve 8, dust falling treatment is carried out on dust generated in the loading process through an atomizing nozzle 10, for the large dust, the power of the water pump 9 and the opening degree of the stop valve 8 can be controlled, the water spraying pressure and the water spraying quantity of the atomizing nozzle 10 are adjusted, a switch of a dust remover 6 is opened at the same time, the dust generated in the slag discharging process is sucked into the dust remover 6 through a dust hood 5, and then the dust enters a slag bin 1 through the dust remover 6; for some wet dust or particles with larger particle size, the filter device 7 intercepts the wet dust and ash, the air source 17 is periodically opened, compressed air enters the dust absorption pipe 11 through the conduit 15, and the mesh-shaped filter cylinder 12 is blown from top to bottom through the blowing nozzle 16.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The boiler ash humidifying and spraying dust-settling device is characterized by comprising a slag bin, a slag discharging pipe, an annular water pipe, a water storage tank, a dust hood, a dust remover and a filtering device;

the outlet of the slag bin is connected with the slag discharging pipe, the slag discharging pipe is provided with a flow valve, the pipe wall at the bottom end of the slag discharging pipe is fixedly provided with an annular water pipe which is coaxial with the slag discharging pipe, the inlet of the annular water pipe is connected with the outlet pipeline of the water storage tank, the bottom end of the annular water pipe is fixedly provided with a plurality of atomizing nozzles, the water inlets of the atomizing nozzles are communicated with the inside of the annular water pipe, the atomizing nozzles are arranged towards the discharging direction of the ash slag, the slag discharging pipe above the annular water pipe is fixedly provided with the dust hood, and the dust hood is covered outside the annular water pipe; a dust outlet is formed in the dust collection cover, the dust outlet of the dust collection cover is fixedly connected with an inlet of the dust remover through a dust collection pipe, and an outlet of the dust remover is communicated with the interior of the slag bin;

2. The boiler ash humidifying, spraying and dust falling device according to claim 1, wherein an observation window is arranged on the outer wall of the dust hood.

3. The boiler ash humidifying, spraying and dust falling device according to claim 1, wherein a stop valve and a water pump are arranged on a pipeline between an inlet of the annular water pipe and an outlet of the water storage tank.

4. The boiler ash humidifying, spraying and dust falling device according to any one of claims 1 to 3, wherein the filtering device comprises a mesh-shaped filter cylinder arranged inside the dust hood, the mesh-shaped filter cylinder is open at the top end and closed at the bottom end, the top end of the mesh-shaped filter cylinder is connected with a dust outlet of the dust hood through a bolt, and a filter cylinder cleaning device is arranged in the dust pipe.

5. The boiler ash humidifying, spraying and dust falling device according to claim 4, wherein the filter cartridge cleaning device comprises a guide pipe and a purging nozzle, the guide pipe is arranged in the dust suction pipe along the length direction of the dust suction pipe, the inlet end of the guide pipe penetrates through the dust suction pipe and is communicated with an air source outlet arranged outside the dust suction pipe, and the outlet end of the guide pipe is connected with the purging nozzle arranged towards the mesh filter cartridge.

6. The boiler ash humidifying, spraying and dust falling device according to claim 5, wherein the air source is a compressed air source.