CN210045687U - Purging device for coal conveying system - Google Patents
Purging device for coal conveying system Download PDFInfo
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- CN210045687U CN210045687U CN201920905054.0U CN201920905054U CN210045687U CN 210045687 U CN210045687 U CN 210045687U CN 201920905054 U CN201920905054 U CN 201920905054U CN 210045687 U CN210045687 U CN 210045687U
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Abstract
The utility model relates to the technical field of auxiliary devices of fuel coal conveying systems, in particular to a purging device for a coal conveying system, which comprises an air source, an air compressor, an air storage tank, a main gas channel and a plurality of branch gas channels; the air source is connected to the air compressor, the air compressor is connected to the air storage tank, the air storage tank is connected with the main air channel, and the main air channel is respectively connected to the plurality of branch air channels; each branch gas channel is connected to an upper blowing head of a three-way baffle through an upper gas inlet pipeline, the upper blowing head of the three-way baffle is arranged on the side wall of the blanking pipe, and the wind direction of the upper blowing head of the three-way baffle is downward along the three-way baffle; the main gas channel is provided with a one-way valve, each branch gas channel is provided with a one-way valve, and the upper gas inlet pipeline is provided with a one-way valve. The utility model discloses mainly glue the coal point to equipment and sweep, compressed gas sweeps and can guarantee that equipment does not receive the damage.
Description
Technical Field
The utility model relates to a fuel coal conveying system auxiliary device technical field, concretely relates to coal conveying system is with sweeping device.
Background
The coal hopper is an important device in a coal conveying system of a power plant, is positioned below an inlet device and a belt conveyor of a coal machine, and is connected with a blanking pipe at the lower part to perform blanking or distribution blanking on coal powder in the coal hopper, wherein the distribution blanking is to distribute the coal powder to two belt conveyors by using a tee joint of the blanking pipe. In the fuel coal conveying system, coal needs to be mixed in the coal hopper, coal is often mixed by coal slime and other coal, under the condition, the mixed coal is conveyed to a blanking pipe at the bottom of the coal hopper, and then is distributed to two downstream rubber belt conveyors through a blanking pipe tee baffle to form a accumulation phenomenon at the position of the blanking pipe tee baffle, so that the blanking pipe is blocked after coal accumulation is caused, and the coal leakage phenomenon is easily caused if the coal is not cleaned in time.
Disclosure of Invention
In view of prior art's defect, the utility model provides a coal conveying system is with sweeping device, it mainly glues the coal point to equipment and sweeps, and compressed gas sweeps and can guarantee that equipment does not receive the damage.
In order to achieve the purpose, the technical scheme provided by the utility model is a purging device for a coal conveying system, wherein the coal conveying system comprises a coal hopper, a blanking pipe and a blanking pipe tee joint which are sequentially connected from top to bottom, and a blanking pipe tee joint baffle is arranged inside the blanking pipe tee joint; the device comprises an air source, an air compressor, an air storage tank, a main gas channel and a plurality of branch gas channels; the air source is connected to the air compressor, the air compressor is connected to the air storage tank, the air storage tank is connected with the main air channel, and the main air channel is respectively connected to the plurality of branch air channels; each branch gas channel is connected to an upper blowing head of a three-way baffle through an upper gas inlet pipeline, the upper blowing head of the three-way baffle is arranged on the side wall of the blanking pipe, and the wind direction of the upper blowing head of the three-way baffle is downward along the three-way baffle; the main gas channel is provided with a one-way valve, each branch gas channel is provided with a one-way valve, and the upper gas inlet pipeline is provided with a one-way valve.
Based on the technical scheme, the coal sticking position is cleaned by utilizing compressed air generated by the air compressor. The specific blowing position is a three-way baffle, and the blowing head on the upper part of the three-way baffle blows the three-way baffle along the three-way baffle. Only need install tee bend baffle upper portion sweeping head additional at blanking pipe lateral wall, need not carry out big transformation to equipment.
Furthermore, two upper air inlet pipelines are arranged and are respectively arranged on two sides of the three-way baffle, and the upper blowing heads of the three-way baffle are symmetrically arranged on two sides of the three-way baffle.
Based on above-mentioned technical scheme, because when the inside flow direction conversion that carries on of blanking pipe tee bend, there are two kinds of states, correspond two exports of tee bend lower part respectively. The upper blowing heads of the three-way baffle are symmetrically arranged, and the one-way valves arranged on the upper air inlet pipeline are utilized to open and close the corresponding upper blowing heads of the three-way baffle.
Furthermore, each branch gas channel is connected to a lower blowing head of the three-way baffle through a lower gas inlet pipeline, the lower blowing head of the three-way baffle is arranged on the side wall of the three-way of the blanking pipe, the wind direction of the lower blowing head of the three-way baffle points to the three-way baffle, and a check valve is arranged on the lower gas inlet pipeline.
Furthermore, two lower air inlet pipelines are arranged and are respectively arranged at two sides of the three-way baffle, and the lower blowing head of the three-way baffle at one side is symmetrically arranged with the lower blowing head of the three-way baffle at the other side.
Furthermore, two outlet positions at the lower part of the blanking pipe tee joint are respectively provided with a valve.
Preferably, the valve is an electric gate valve.
Based on above-mentioned technical scheme, the export is opened at blanking pipe tee bend one side A, the electronic slide valve of B exit position is closed, the tee bend baffle upper portion sweeping head of B side sweeps the tee bend baffle downwards, meanwhile the tee bend baffle lower part sweeping head of B side is in the open mode, sweep to the tee bend baffle, through the check valve that sets up on the lower part intake manifold (specifically can adopt gaseous one-way choke valve, carry out gas flow control, the regulation flow is less, do work less to the tee bend baffle), but can form the malleation in tee bend baffle lower part, play the sealing action of certain degree, the buggy that prevents the peripheral gap of tee bend baffle from falling down, produce and leak the powder.
When the tee bend baffle is adjusted to the outlet B of blanking pipe tee bend one side and is opened, the electronic slide valve of A exit position is closed, the tee bend baffle upper portion sweeping head of A side sweeps the tee bend baffle downwards, meanwhile the tee bend baffle lower part sweeping head of A side is in the open mode, sweep to the tee bend baffle, carry out gas flow through the check valve that sets up on the lower part intake manifold and adjust, it is less to adjust the flow, do work less to the tee bend baffle, nevertheless can form the malleation in tee bend baffle lower part, play the sealing function of certain degree, the buggy that prevents the peripheral gap of tee bend baffle from falling down, produce the hourglass powder.
Furthermore, the main gas channel is respectively connected to a plurality of coal hopper blowing heads arranged on the side wall of the coal hopper through a plurality of coal hopper blowing inlet pipelines.
Furthermore, a one-way valve is arranged on the purging air inlet pipeline of the coal hopper.
Based on above-mentioned technical scheme, can utilize same set of air compressor to sweep the coal hopper lateral wall of gluing the coal easily.
Further, a filter is arranged between the air source and the air compressor.
Based on above-mentioned technical scheme, set up the filter between air supply, the air compressor, filter and purify the air supply, better protection air compressor.
Based on the technical scheme, the main coal sticking points of the equipment are purged.
Furthermore, the coal conveying system also comprises an activation coal feeder arranged between the coal dropping hopper and the coal dropping pipe, the main gas channel is respectively connected to a plurality of coal feeder blowing heads arranged on the activation coal feeder through a plurality of coal feeder blowing gas inlet pipelines, and the coal feeder blowing heads blow activation plates in the activation coal feeder.
Based on the technical scheme, the four corners of the activation plate in the activation coal feeder are seriously bonded with coal. The technical scheme can be adopted to purge the activation plate in the activation coal feeder.
To the utility model discloses carry out further explanation: the utility model can ensure the integrity of the equipment, only needs to install the blowing head, and can not damage other structures of the equipment body; the compressed air is used for multi-point blowing, the blowing area is large, and the pressure of the compressed air is ensured to be in a proper range; install at equipment body outer wall, main pipeline installation is outside at equipment, and furthest's purge cleaning clay coal blocks up the position and reduces the artifical clearance probability of personnel on duty.
The utility model discloses a working process: an outlet A on one side of a three-way pipe of the blanking pipe is opened, a purging head on the upper portion of a three-way baffle on the side B performs downward purging on the three-way baffle, coal sticking or bonded coal is prevented from being blown down on one side of the three-way baffle, the outlet B on one side of the three-way pipe of the blanking pipe is adjusted to be opened when the three-way baffle is adjusted, the purging head on the upper portion of the three-way baffle on the side A performs downward purging on the three-way baffle, and coal sticking or bonded coal is prevented from being blown down on.
The utility model has the advantages that: the compressed gas purging device purges main coal-sticking points of the device, and compressed gas purging can ensure that the device is not damaged.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the present invention;
FIG. 3 is a partial schematic view of the three-way baffle of the present invention adjusted to the other side;
FIG. 4 is a schematic structural view of embodiment 2;
FIG. 5 is a schematic view of embodiment 2;
in the figure: 1. the device comprises a coal dropping hopper, 2, a dropping pipe, 3, a dropping pipe tee joint, 4, a tee baffle, 5, an air source, 6, an air compressor, 7, an air storage tank, 8, a main gas channel, 9, a branch gas channel, 10, an upper air inlet pipeline, 11, a tee baffle upper blowing head, 12, a one-way valve, 13, a lower air inlet pipeline, 14, a tee baffle lower blowing head, 15, a coal dropping hopper blowing air inlet pipeline, 16, a coal dropping hopper blowing head, 17, a filter, 18 and an electric gate valve.
Detailed Description
Example 1
A purging device for a coal conveying system comprises a coal hopper 1, a blanking pipe 2 and a blanking pipe tee joint 3 which are sequentially connected from top to bottom, wherein a blanking pipe tee joint baffle 4 is arranged inside the blanking pipe tee joint 3; the device comprises an air source 5, an air compressor 6, an air storage tank 7, a main gas channel 8 and a plurality of branch gas channels 9; the air source 5 is connected to an air compressor 6, the air compressor 6 is connected to an air storage tank 7, the air storage tank 7 is connected to a main air channel 8, and the main air channel 8 is respectively connected to a plurality of branch air channels 9; each branch gas channel 9 is connected to an upper blowing head 11 of the three-way baffle through an upper gas inlet pipeline 10, the upper blowing head 11 of the three-way baffle is arranged on the side wall of the blanking pipe, and the wind direction of the upper blowing head 11 of the three-way baffle is downward along the three-way baffle 4; the main gas duct 8 is provided with a one-way valve 12, each branch gas duct is provided with a one-way valve 12, and the upper inlet line 10 is provided with a one-way valve 12.
Furthermore, two upper air inlet pipelines 10 are arranged and are respectively arranged on two sides of the three-way baffle 4, and the upper blowing heads 11 of the three-way baffle are symmetrically arranged on two sides of the three-way baffle 4.
Furthermore, each branch gas channel 9 is connected to a three-way baffle lower blowing head 14 through a lower gas inlet pipeline 13, the three-way baffle lower blowing head 14 is arranged on the side wall of the blanking pipe tee 3, the wind direction of the three-way baffle lower blowing head 14 points to the three-way baffle 4, and a one-way valve 12 is arranged on the lower gas inlet pipeline 13.
Furthermore, two lower air inlet pipelines 13 are arranged and respectively arranged at two sides of the three-way baffle 4, and the lower blowing head 14 of the three-way baffle at one side and the lower blowing head 14 of the three-way baffle at the other side are symmetrically arranged.
Furthermore, two outlet positions at the lower part of the blanking pipe tee joint 3 are respectively provided with a valve.
Preferably, the valve is an electric gate valve 18.
Example 2
A purging device for a coal conveying system comprises a coal hopper 1, a blanking pipe 2 and a blanking pipe tee joint 3 which are sequentially connected from top to bottom, wherein a blanking pipe tee joint baffle 4 is arranged inside the blanking pipe tee joint 3; the device comprises an air source 5, an air compressor 6, an air storage tank 7, a main gas channel 8 and a plurality of branch gas channels 9; the air source 5 is connected to an air compressor 6, the air compressor 6 is connected to an air storage tank 7, the air storage tank 7 is connected to a main air channel 8, and the main air channel 8 is respectively connected to a plurality of branch air channels 9; each branch gas channel 9 is connected to an upper blowing head 11 of the three-way baffle through an upper gas inlet pipeline 10, the upper blowing head 11 of the three-way baffle is arranged on the side wall of the blanking pipe, and the wind direction of the upper blowing head 11 of the three-way baffle is downward along the three-way baffle 4; the main gas duct 8 is provided with a one-way valve 12, each branch gas duct is provided with a one-way valve 12, and the upper inlet line 10 is provided with a one-way valve 12.
Furthermore, two upper air inlet pipelines 10 are arranged and are respectively arranged on two sides of the three-way baffle 4, and the upper blowing heads 11 of the three-way baffle are symmetrically arranged on two sides of the three-way baffle 4.
Furthermore, each branch gas channel 9 is connected to a three-way baffle lower blowing head 14 through a lower gas inlet pipeline 13, the three-way baffle lower blowing head 14 is arranged on the side wall of the blanking pipe tee 3, the wind direction of the three-way baffle lower blowing head 14 points to the three-way baffle 4, and a one-way valve 12 is arranged on the lower gas inlet pipeline 13.
Furthermore, two lower air inlet pipelines 13 are arranged and respectively arranged at two sides of the three-way baffle 4, and the lower blowing head 14 of the three-way baffle at one side and the lower blowing head 14 of the three-way baffle at the other side are symmetrically arranged.
Furthermore, two outlet positions at the lower part of the blanking pipe tee joint 3 are respectively provided with a valve.
Preferably, the valve is an electric gate valve 18.
Further, the main gas channel 8 is connected to a plurality of coal hopper blowing heads 16 arranged on the side wall of the coal hopper 1 through a plurality of coal hopper blowing inlet pipelines 15.
Further, a one-way valve 12 is arranged on the coal hopper purging air inlet pipeline 15.
Example 3
A purging device for a coal conveying system comprises a coal hopper 1, a blanking pipe 2 and a blanking pipe tee joint 3 which are sequentially connected from top to bottom, wherein a blanking pipe tee joint baffle 4 is arranged inside the blanking pipe tee joint 3; the device comprises an air source 5, an air compressor 6, an air storage tank 7, a main gas channel 8 and a plurality of branch gas channels 9; the air source 5 is connected to an air compressor 6, the air compressor 6 is connected to an air storage tank 7, the air storage tank 7 is connected to a main air channel 8, and the main air channel 8 is respectively connected to a plurality of branch air channels 9; each branch gas channel 9 is connected to an upper blowing head 11 of the three-way baffle through an upper gas inlet pipeline 10, the upper blowing head 11 of the three-way baffle is arranged on the side wall of the blanking pipe, and the wind direction of the upper blowing head 11 of the three-way baffle is downward along the three-way baffle 4; the main gas duct 8 is provided with a one-way valve 12, each branch gas duct is provided with a one-way valve 12, and the upper inlet line 10 is provided with a one-way valve 12.
Furthermore, two upper air inlet pipelines 10 are arranged and are respectively arranged on two sides of the three-way baffle 4, and the upper blowing heads 11 of the three-way baffle are symmetrically arranged on two sides of the three-way baffle 4.
Furthermore, each branch gas channel 9 is connected to a three-way baffle lower blowing head 14 through a lower gas inlet pipeline 13, the three-way baffle lower blowing head 14 is arranged on the side wall of the blanking pipe tee 3, the wind direction of the three-way baffle lower blowing head 14 points to the three-way baffle 4, and a one-way valve 12 is arranged on the lower gas inlet pipeline 13.
Furthermore, two lower air inlet pipelines 13 are arranged and respectively arranged at two sides of the three-way baffle 4, and the lower blowing head 14 of the three-way baffle at one side and the lower blowing head 14 of the three-way baffle at the other side are symmetrically arranged.
Furthermore, two outlet positions at the lower part of the blanking pipe tee joint 3 are respectively provided with a valve.
Preferably, the valve is an electric gate valve 18.
Further, the main gas channel 8 is connected to a plurality of coal hopper blowing heads 16 arranged on the side wall of the coal hopper 1 through a plurality of coal hopper blowing inlet pipelines 15.
Further, a one-way valve 12 is arranged on the coal hopper purging air inlet pipeline 15.
Further, a filter 17 is disposed between the air source 5 and the air compressor 6.
Preferably, the check valve 12 is a one-way throttle valve.
Furthermore, the coal conveying system also comprises an activation coal feeder arranged between the coal dropping hopper 1 and the coal dropping pipe 2, the main gas channel is respectively connected to a plurality of coal feeder blowing heads arranged on the activation coal feeder through a plurality of coal feeder blowing gas inlet pipelines, and the coal feeder blowing heads blow activation plates in the activation coal feeder.
It should be noted that the technical solution for purging the activation plate inside the activation feeder is not shown in the drawings, and a person skilled in the art can perform the conventional arrangement of the feeder purge head. The coal feeder purging head can purge the activation plate in the activation coal feeder.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A purging device for a coal conveying system comprises a coal hopper, a blanking pipe and a blanking pipe tee joint which are sequentially connected from top to bottom; the method is characterized in that: comprises an air source, an air compressor, an air storage tank, a main gas channel and a plurality of branch gas channels; the air source is connected to the air compressor, the air compressor is connected to the air storage tank, the air storage tank is connected with the main air channel, and the main air channel is respectively connected to the plurality of branch air channels; each branch gas channel is connected to an upper blowing head of a three-way baffle through an upper gas inlet pipeline, the upper blowing head of the three-way baffle is arranged on the side wall of the blanking pipe, and the wind direction of the upper blowing head of the three-way baffle is downward along the three-way baffle; the main gas channel is provided with a one-way valve, each branch gas channel is provided with a one-way valve, and the upper gas inlet pipeline is provided with a one-way valve.
2. The purging device for a coal conveying system according to claim 1, wherein: the upper air inlet pipelines are arranged at two sides of the three-way baffle respectively, and the upper blowing heads of the three-way baffle are symmetrically arranged at two sides of the three-way baffle.
3. A purging device for a coal conveying system according to claim 1 or 2, wherein: each branch gas channel is connected to a lower blowing head of the three-way baffle through a lower air inlet pipeline, the lower blowing head of the three-way baffle is arranged on the side wall of a three-way of the blanking pipe, the wind direction of the lower blowing head of the three-way baffle points to the three-way baffle, and a one-way valve is arranged on the lower air inlet pipeline.
4. A purging device for a coal conveying system according to claim 3, wherein: the lower air inlet pipelines are arranged at two sides of the three-way baffle respectively, and the lower blowing head of the three-way baffle at one side and the lower blowing head of the three-way baffle at the other side are symmetrically arranged.
5. The purging device for a coal conveying system according to claim 4, wherein: and valves are respectively arranged at two outlet positions at the lower part of the blanking pipe tee joint.
6. The purging device for a coal conveying system according to claim 5, wherein: the valve is an electric gate valve.
7. The purging device for a coal conveying system according to claim 1, wherein: the main gas channel is connected to a plurality of coal hopper blowing heads arranged on the side wall of the coal hopper through a plurality of coal hopper blowing inlet pipelines respectively.
8. The purging device for a coal conveying system according to claim 7, wherein: and a one-way valve is arranged on the purging air inlet pipeline of the coal hopper.
9. The purging device for a coal conveying system according to claim 1, wherein: and a filter is arranged between the air source and the air compressor.
10. The purging device for a coal conveying system according to claim 1, wherein: the one-way valve adopts a gas one-way throttle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920905054.0U CN210045687U (en) | 2019-06-17 | 2019-06-17 | Purging device for coal conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920905054.0U CN210045687U (en) | 2019-06-17 | 2019-06-17 | Purging device for coal conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210045687U true CN210045687U (en) | 2020-02-11 |
Family
ID=69397811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920905054.0U Expired - Fee Related CN210045687U (en) | 2019-06-17 | 2019-06-17 | Purging device for coal conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210045687U (en) |
-
2019
- 2019-06-17 CN CN201920905054.0U patent/CN210045687U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 Termination date: 20200617 |
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| CF01 | Termination of patent right due to non-payment of annual fee |