CN213779542U

CN213779542U - Self-cleaning device of coal sampling system

Info

Publication number: CN213779542U
Application number: CN202022766884.5U
Authority: CN
Inventors: 孙伟生; 陈炳江; 洪利丰; 乔桂; 蔡炎州; 陈思琦
Original assignee: Shantou Power Plant Of Huaneng Power International Inc
Current assignee: Shantou Power Plant Of Huaneng Power International Inc
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-23
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a coal sampling system self-cleaning device, including a plurality of collection devices, dust collecting system, collection device includes collection conveyer belt, breaker, divider, sample collector, clout conveyer belt, the collection conveyer belt is gathered raw coal, through the breaker is broken to the sub appearance of collection, and send into in the divider, by the divider divides broken sub appearance into analysis appearance and clout, and send into respectively sample collector, clout conveyer belt; the dust collection system is respectively connected with the collection device and is used for sucking dust generated by the collection device. The utility model discloses simple structure, simple to operate, dust fall are effectual, the dust absorption amount of wind is adjustable, the maintenance cost is low.

Description

Self-cleaning device of coal sampling system

Technical Field

The utility model relates to a technical field that the sampling removed dust, in particular to coal sampling system automatically cleaning device.

Background

In the power industry, the material of a coal sampling system is raw coal, the existing coal sampling system is basically designed to be closed, but because a sampling device cannot be completely sealed, when equipment runs and the raw coal is crushed and transported in the equipment, each equipment of the sampling device generates micro positive pressure in a local space, dust generated by a crusher of the sampling device and dust generated by height difference of a coal dropping pipe can be scattered into the air through air flow, the field environment is polluted, and the sampling accuracy is influenced. Most of the existing dust removing devices, such as dust removing equipment for electric dust removal, bag dust removal and the like, not only have large investment cost in the early stage, but also have unobvious use effect, and have the defects of large later maintenance work and the like. An effective dust removal device is needed to solve the problem of dust generated by the operation of the sampling device.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a technical problem that will solve provides a coal sampling system automatically cleaning device, and the raise dust that produces in simple structure, simple to operate, the effective solution sampling work process avoids the dust to waft in the air.

In order to achieve the purpose, the utility model discloses a coal sampling system self-cleaning device, which comprises a plurality of collecting devices and a dust collection system, wherein each collecting device comprises a collecting conveyor belt, a crusher, a splitter, a sample collector and a residual material conveyor belt, the collecting conveyor belt collects raw coal, the collected sub-samples are crushed by the crusher and are sent into the splitter, and the crushed sub-samples are split into analysis samples and residual materials by the splitter and are respectively sent into the sample collector and the residual material conveyor belt;

the dust collection system is respectively connected with the collection device and is used for sucking dust generated by the collection device.

Preferably, the dust collection system comprises a dust collector, a dust collection female pipe and a dust collection water tank, the dust collection female pipe is fixedly connected with an air suction opening of the dust collector, an air outlet of the dust collector is provided with a dust inlet pipeline between the dust collection water tank, and a first dust collection pipeline and a second dust collection pipeline are arranged on the dust collection pipeline, so that the first dust collection pipeline and the second dust collection pipeline are respectively connected with the collection device.

Preferably, the first dust absorption pipelines are provided with a first valve and a second valve, and the second dust absorption pipelines are provided with a third valve and a fourth valve.

Preferably, a grid net is arranged at the top of the dust removal water tank.

Preferably, the collecting device further comprises a feeding machine, the feeding machine is arranged between the collecting conveyor belt and the crusher, the collecting conveyor belt sends the subsample into the feeding machine, and the subsample is continuously and uniformly sent into the crusher through the feeding machine to be crushed.

Preferably, the collecting device further comprises a coal dropping pipe, wherein the coal dropping pipe is arranged at the tail end of the excess material conveying belt, so that the excess material on the excess material conveying belt is fed into the coal dropping pipe for stacking.

Preferably, a plurality of collecting heads are arranged on the collecting conveyor belt, so that the conveyor belt drives the collecting heads to collect coal.

Implement the embodiment of the utility model provides a, following beneficial effect has:

the utility model has the characteristics of simple structure, simple to operate, dust fall are effectual, the dust absorption amount of wind is adjustable, the maintenance cost low grade, through the dust catcher with the sampling process in the dust suction water tank, make it filter out the dust from the air, make clear air escape to improve operational environment greatly, avoided the dust to waft in the air.

Drawings

Fig. 1 is a schematic view of the cleaning process of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings of fig. 1.

Referring to fig. 1, the self-cleaning device of the coal sampling system comprises a plurality of collecting devices 1, a dust collection system 2 and an electric control system.

The utility model discloses a plurality of collection system are preferred to adopt four groups, and collection system 1 is including gathering conveyer belt, batcher, breaker, division ware, sample collector, clout conveyer belt 11, coal breakage pipe, and band conveyer, batcher, breaker, division ware, coal breakage pipe are the equipment among the prior art, consequently the utility model discloses do not repeat the explanation.

The collecting and conveying belt is provided with a plurality of collecting heads, when the collecting and conveying belt works, the collecting and conveying belt drives the collecting heads to rotate for a circle at intervals of a certain time according to the time set by an electric control system, one sub-sample is collected and sent into the feeder, the sub-sample is continuously and uniformly sent into the crusher by the feeder, the crusher crushes the sub-sample according to the specified force, the material crushed by the crusher is reduced by the reducing divider to form an analysis sample and a residual material, and the analysis sample falls into the sample collecting tank for use in a laboratory; the coal dropping pipe is arranged at the tail end of the excess material conveying belt 11, so that the reduced excess material is poured into the coal dropping pipe through the excess material conveying belt 11, and the excess material is conveyed to a specified position to be stacked, thereby completing the collection work.

The dust collection system 2 comprises a dust collector 21, a dust collection main pipe 22 and a dust removal water tank 23, wherein the dust collection main pipe 22 is fixedly connected with an air suction opening of the dust collector 21, a dust inlet pipeline 24 is arranged between an air outlet of the dust collector 21 and the dust removal water tank 23, and a first dust collection pipeline 221 and a second dust collection pipeline 222 are arranged on the dust collection main pipe 22.

A first dust suction branch pipe 223 and a second dust suction branch pipe 224 are respectively arranged between the first dust suction pipeline 221 and the excess material conveyor belts 11 of the first collection device and the second collection device, a first valve 223A and a second valve 224A are respectively arranged on the first dust suction branch pipe 223 and the second dust suction branch pipe 224, a third dust suction branch pipe 225 and a fourth dust suction branch pipe 226 are respectively arranged between the second dust suction pipeline 222 and the excess material conveyor belts 11 of the third collection device and the fourth collection device, a third valve 225A and a fourth valve 226A are respectively arranged on the third dust suction branch pipe 225 and the fourth dust suction branch pipe 226, and the air flow rates of the first dust suction branch pipe 223, the second dust suction branch pipe 224, the third dust suction branch pipe 225 and the fourth dust suction branch pipe 226 are controlled by controlling the rotation angles of the first valve 223A, the second valve 223A, the third dust suction branch pipe 224, the fourth dust suction branch pipe 225 and the fourth dust suction branch pipe 226A.

When the excess material conveyor belt 11 generates dust in the transportation process, the electric control system controls the dust collector 21 to start, so that the first dust collection pipeline 221 and the second dust collection pipeline 222 absorb the dust on the excess material conveyor belt 11 under the action of the dust collector 21, the dust enters the dust collection water tank 23 through the dust inlet pipeline 24 and is immersed in the dust collection water tank 23, the grid plate 231 is arranged at the top of the dust collection water tank 23, the dust in the air is separated through the grid plate 231, the dust in the air is filtered, the clean air is discharged into the atmosphere, and the dust generated in the collection work cannot overflow and scatter outside.

Meanwhile, the dust collection main pipe 22 can also be connected with a crusher, a coal dropping pipe and other places which are easy to enter and generate dust, so that the dust generated by the crusher and the dust generated by the height drop of the coal dropping pipe during collection can be floated in the air through air flow, the dust generated by the dust collector 21 can be effectively extracted, and the dust can be effectively prevented from being raised during working.

Of course, the above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention, and all modifications made according to the spirit of the main technical solution of the present invention should be covered within the protection scope of the present invention.

Claims

1. A self-cleaning device of a coal sampling system is characterized by comprising a plurality of collecting devices and a dust collection system, wherein each collecting device comprises a collecting conveyor belt, a crusher, a splitter, a sample collector and a residual conveyor belt, the collecting conveyor belt collects coal, the crusher crushes collected sub-samples and sends the sub-samples into the splitter, and the splitter divides the crushed sub-samples into analysis samples and residual materials which are respectively sent into the sample collector and the residual conveyor belt;

2. The self-cleaning device of a coal sampling system as claimed in claim 1, wherein the dust collection system comprises a dust collector, a dust collection main pipe and a dust collection water tank, the dust collection main pipe is fixedly connected with the suction inlet of the dust collector, a dust inlet pipe is arranged between the air outlet of the dust collector and the dust collection water tank, and the dust collection main pipe is provided with a first dust collection pipe and a second dust collection pipe, so that the first dust collection pipe and the second dust collection pipe are respectively connected with the collection device.

3. The self-cleaning device of claim 2, wherein the first dust suction pipe is provided with a first valve and a second valve, and the second dust suction pipe is provided with a third valve and a fourth valve.

4. A coal sampling system self-cleaning device as claimed in claim 2, characterized in that the top of the dust removal water tank is provided with a grid mesh.

5. The self-cleaning device of claim 2, wherein the collecting device further comprises a feeding machine, the feeding machine is arranged between the collecting conveyor belt and the crusher, the collecting conveyor belt feeds the subsample into the feeding machine, and the feeding machine continuously and uniformly feeds the subsample into the crusher for crushing.

6. The self-cleaning device of claim 5, wherein the collecting device further comprises a coal dropping pipe, and the coal dropping pipe is arranged at the end of the excess material conveyor belt, so that the excess material on the excess material conveyor belt is fed into the coal dropping pipe for stacking.

7. The self-cleaning device of claim 6, wherein the collection belt has a plurality of collection heads, such that the collection heads are driven by the collection belt to collect coal.