CN218507819U

CN218507819U - Coke-spraying pulverized coal pipeline device

Info

Publication number: CN218507819U
Application number: CN202222677967.6U
Authority: CN
Inventors: 梅青春; 徐东升; 钮政强; 李光军
Original assignee: Zenith Steel Group Nantong Co Ltd
Current assignee: Zenith Steel Group Nantong Co Ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-02-21
Anticipated expiration: 2032-10-12

Abstract

The utility model relates to a spout burnt buggy piping installation relates to burnt buggy and utilizes technical field, produces the problem of influence to the environment when throwing in order to solve burnt buggy, and it includes the raw coal storehouse, the intercommunication has the raw coal pipe that is used for inputing the raw coal on the raw coal storehouse, the bottom of raw coal storehouse is provided with first coal pulverizer, the bottom and the first coal pulverizer of raw coal storehouse are linked together, one side of raw coal storehouse is provided with the coal storage device who is used for saving burnt buggy, the top of coal storage device and raw coal storehouse is linked together, it has the coking coal pipe still to communicate on the coal storage device, the coking coal pipe is kept away from the one end intercommunication of coal storage device on first coal pulverizer, still be provided with the locking subassembly that is used for controlling and the break-make between the raw coal storehouse on the coal storage device. The method has the effects of improving the working environment and reducing pollution.

Description

Coke-spraying pulverized coal pipeline device

Technical Field

The application relates to the technical field of pulverized coke utilization, in particular to a pulverized coke spraying pipeline device.

Background

The coking coal powder injection pipeline is an important component of a blast furnace coal injection system, coking coal can provide heat, serve as a reducing agent, provide carbon element and serve as a supporting framework in the actual production process, so that a proper amount of coking coal powder is added in the process of preparing coal powder to provide heat and reducing agent for the reaction of a blast furnace, and the production of the blast furnace is facilitated.

In the prior art, coking coal powder is directly thrown into a raw coal bunker from a raw pipeline in a blowing mode, and due to the fact that the top of the raw coal bunker is of an open structure, the coking coal powder can arouse dust in the raw coal bunker to fly in the throwing process, so that the external environment is affected, the working environment is seriously polluted, operation of field workers is not facilitated, meanwhile, the workers can affect the body by sucking the dust for a long time, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the environment is influenced when the coking coal powder is put into, the application provides a coking coal powder spraying pipeline device.

The application provides a spout burnt buggy piping installation adopts following technical scheme:

the utility model provides a spout burnt buggy piping installation, includes the raw coal storehouse, the intercommunication has the raw coal pipe that is used for inputing the raw coal on the raw coal storehouse, the bottom of raw coal storehouse is provided with first coal pulverizer, the bottom and the first coal pulverizer of raw coal storehouse are linked together, one side of raw coal storehouse is provided with the coal storage device who is used for saving the coking coal, the coal storage device is linked together with the top of raw coal storehouse, it has the coking coal pipe still to communicate on the coal storage device, the coking coal pipe is kept away from the one end intercommunication of coal storage device on first coal pulverizer, still be provided with the locking subassembly that is used for control and raw coal storehouse between the break-make on the coal storage device.

Because the coking coal powder is directly thrown into the raw coal bunker from the raw pipeline in a blowing mode, the top of the raw coal bunker is of an open structure, and the coking coal powder can excite dust in the raw coal bunker to fly in the throwing process, so that the external environment is affected, the working environment is seriously polluted, the operation of field workers is not facilitated, and meanwhile, the body can be affected by the dust sucked by the workers for a long time; by adopting the technical scheme, the coal storage device is provided with the coking coal pipe, and the coking coal pipe is communicated with the first coal mill; in the actual production process, raw coal is conveyed to a raw coal bin through a raw coal pipe and finally enters a first coal mill, and coking coal powder directly enters the first coal mill from a coal storage device through a coking coal pipe to be mixed and ground; when the coking coal pipe fails and cannot convey coking coal powder, the stopping assembly is opened at the moment, the coking coal powder is directly conveyed into the raw coal bin from the blowing tank, the actual production is not influenced, and the maintenance by personnel is facilitated; through the setting of coal storage device, coking coal pipe and locking subassembly, help reducing the coking coal powder and blow the possibility that the dust flies upward when to the raw coal storehouse in the actual production, reduce the pollution of site work environment, improved operational environment, guaranteed site work personnel's is healthy, locking subassembly is used for controlling the break-make between coal storage device and the raw coal storehouse simultaneously, guarantees the normal operating of actual production and makes things convenient for personnel to overhaul when the coking coal pipe breaks down.

Optionally, the coal storage device includes jetting jar and storage coal pipe, the jetting jar sets up subaerial, the one end intercommunication of storing up the coal pipe is on the jetting jar, the other end intercommunication of storing up the coal pipe is at the top of raw coal storehouse, the coking coal pipe is close to the one end and the storage coal pipe of jetting jar and is linked together, the setting of locking subassembly is in the coking coal pipe one side of being close to the raw coal storehouse.

By adopting the technical scheme, the coal storage device consists of the injection tank and the coal storage pipe, the coking coal powder is stored in the injection tank, and the coal storage pipe is communicated with the top of the raw coal bin; during actual production, the stop component is in a closed state, the coal storage pipe is not communicated with the raw coal bin, the raw coal is conveyed into the raw coal bin through the raw coal pipe and finally enters the first coal grinding machine, meanwhile, the blowing tank ejects the coking coal powder through the coal storage pipe, and the coking coal powder enters the first grinding machine through the coking coal pipe to be meshed for mixing and grinding; through the arrangement of the injection tank and the coal storage pipe, the output of the coking coal powder is facilitated, the coking coal powder is stably conveyed, and the possibility of flying dust when the coking coal powder is injected into the raw coal bin is reduced.

Optionally, the locking subassembly includes first manual valve and first pneumatic valve, first manual valve and first pneumatic valve all set up on storing up the coal pipe, first manual valve and first pneumatic valve all are located the coking coal pipe and are close to one side in raw coal storehouse.

By adopting the technical scheme, the stop assembly consists of the first manual valve and the first pneumatic valve; when the coking coal pipe fails in actual production, the first manual valve and the first pneumatic valve are opened at the moment, so that the coal storage pipe is communicated with the raw coal bin, and the coking coal powder directly enters the raw coal bin; through the setting of first manual valve and first pneumatic valve, help realizing storing up the break-make between coal pipe and the raw coal storehouse, reduce the coking coal powder simultaneously and put into the possibility that partial coking coal powder directly drops into the raw coal storehouse when the coking coal pipe is imported, it is sealed effectual.

Optionally, a first quantitative coal feeder for mixing the coking coal and the raw coal is arranged between the first coal mill and the raw coal bin, the first quantitative coal feeder is respectively communicated with the raw coal bin and the first coal mill, and the coking coal pipe is communicated with the first coal mill.

By adopting the technical scheme, a first quantitative coal feeder is arranged between the first coal mill and the raw coal bin, and the coking coal pipe is communicated with the first quantitative coal feeder; in actual production, raw coal is conveyed to a raw coal bin through a raw coal pipe and then enters a first quantitative coal feeder through the raw coal bin, meanwhile, coking coal powder is introduced into a coking coal pipe through a coal storage pipe by a blowing tank, the coking coal powder is sucked into the first quantitative coal feeder through the negative pressure effect of the first quantitative coal feeder, and the coking coal powder and the raw coal are controlled to be quantitatively introduced into a first coal mill for grinding and mixing; through the arrangement of the first quantitative coal feeder, the coking coal powder and the raw coal are input into the first quantitative coal feeder, the conveying amount of the coking coal powder and the raw coal powder can be controlled, the coking coal powder and the raw coal are uniformly mixed, and the quality of the coal powder is improved.

Optionally, a second manual valve and a second pneumatic valve for controlling the on-off of the coking coal pipe are arranged on the coking coal pipe.

By adopting the technical scheme, the second manual valve and the second pneumatic valve are arranged on the coke pipe; when the coking coal powder is conveyed through the coking coal pipe, the second manual valve and the second pneumatic valve are both in an open state at the moment; when the coking coal pipe fails, the second manual valve and the second pneumatic valve are closed, the first manual valve and the first pneumatic valve are opened, and coking coal powder is directly put into the raw coal bin through the coal storage pipe, so that normal working production is ensured; through the setting of the manual valve of second and second pneumatic valve, help realizing the jetting of the intraductal coking coal of control coking coal, when equipment was out of work, the manual valve of second and second pneumatic valve all closed simultaneously, had improved the leakproofness of equipment.

Optionally, a second coal mill and a third coal mill are further arranged on one side of the raw coal bunker, the second coal mill and the third coal mill are respectively communicated with a second quantitative coal feeder and a third quantitative coal feeder, the second quantitative coal feeder and the third quantitative coal feeder are both communicated with the raw coal bunker, one end, far away from the coal storage pipe, of the coking coal pipe is provided with a plurality of branch pipes, one of the branch pipes is communicated with the first quantitative coal feeder, and the rest branch pipes are respectively communicated with the second quantitative coal feeder and the third quantitative coal feeder.

By adopting the technical scheme, one side of the raw coal bunker is provided with a second coal mill and a third coal mill, the second coal mill and the third coal mill are communicated with a second quantitative coal feeder and a third quantitative coal feeder, and a coking coal pipe is communicated with a plurality of branch pipes; through the arrangement of the second coal mill, the third coal mill, the second quantitative coal feeder, the third quantitative coal feeder and the branch pipes, the conveying of different coal mills is facilitated, the working efficiency is improved, the possibility of conveying coking coal powder by using a plurality of blowing tanks is reduced, and the production cost is saved.

Optionally, a plurality of the branch pipes are provided with third manual valves and third pneumatic valves for controlling the branch pipes to be switched on and off.

By adopting the technical scheme, a third manual valve and a third pneumatic valve are arranged on each branch pipe; through the setting of manual valve of third and third pneumatic valve, help realizing the control between each branch pipe, when one of them branch pipe broke down, can close the manual valve of third and the pneumatic valve of third on its branch pipe simultaneously, opened first manual valve and first pneumatic valve, the coking coal powder is blown from the coal storage pipe, reduces the influence to normal work production, has improved work efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the coal storage device, the coking coal pipe and the stopping assembly is beneficial to reducing the possibility of flying dust when coking coal powder is injected into the raw coal bin in actual production, reducing the pollution of the field working environment, improving the working environment and ensuring the health of field workers;

2. the arrangement of the first manual valve and the first pneumatic valve is beneficial to realizing the connection and disconnection between the coal storage pipe and the raw coal bin, and simultaneously, the possibility that part of coking coal powder is directly thrown into the raw coal bin when the coking coal powder is input through the coking coal pipe is reduced, and the sealing effect is good;

3. through the arrangement of the first quantitative coal feeder, the coking coal powder and the raw coal are input into the first quantitative coal feeder, the conveying capacity of the coking coal and the raw coal powder can be controlled, the coking coal powder and the raw coal are uniformly mixed, and the quality of the coal powder is improved.

Drawings

FIG. 1 is a schematic structural diagram of a coke-coal powder injection pipeline device in an embodiment of the present application.

FIG. 2 is a schematic structural diagram of the connection relationship between the coking coal pipe and the first quantitative coal feeder in the embodiment of the present application.

Description of reference numerals: 1. a raw coal bunker; 2. a raw coal pipe; 3. a first coal mill; 4. a coal storage device; 41. a blowing tank; 42. a coal storage pipe; 5. a coking coal pipe; 51. a second manual valve; 52. a second pneumatic valve; 6. a stop assembly; 61. a first manual valve; 62. a first pneumatic valve; 7. a first quantitative coal feeder; 8. a second coal mill; 9. a third coal mill; 10. a second quantitative coal feeder; 11. a third quantitative coal feeder; 12. branch pipes; 13. a third manual valve; 14. and a third pneumatic valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a coke-spraying pulverized coal pipeline device. Referring to fig. 1, the pulverized coke injection duct device includes a raw coal bunker 1, in this embodiment, the top of the raw coal bunker 1 is open, the raw coal bunker 1 may be a conical structure, a raw coal pipe 2 is communicated with the raw coal bunker 1, the raw coal pipe 2 is used for inputting raw coal into the raw coal bunker 1, a coal storage device 4 for storing pulverized coke is installed on one side of the raw coal bunker 1, and the coal storage device 4 is communicated with the top of the raw coal bunker 1.

Referring to fig. 1, the coal storage device 4 includes an injection tank 41 and a coal storage pipe 42, the injection tank 41 is placed on the ground, one end of the coal storage pipe 42 is communicated with the injection tank 41, and the other end of the coal storage pipe 42 is communicated with an opening of the raw coal bunker 1, so as to realize that the coking coal powder is put into the raw coal bunker 1; the coal storage pipe 42 is provided with a stopping component 6 for controlling the connection and disconnection between the coal storage pipe 42 and the raw coal bunker 1.

Referring to fig. 1, the stopping assembly 6 includes a first manual valve 61 and a first pneumatic valve 62, the first manual valve 61 and the first pneumatic valve 62 are both installed on the coal storage pipe 42, the first manual valve 61 and the first pneumatic valve 62 are located at one end of the coal storage pipe 42 close to the raw coal bunker 1, and are used for controlling the connection and disconnection between the coal storage pipe 42 and the raw coal bunker 1, and the sealing effect is good.

Referring to fig. 1 and 2, the bottom of the raw coal bunker 1 is communicated with a first quantitative coal feeder 7, a second quantitative coal feeder 10 and a third quantitative coal feeder 11, in this embodiment, the first quantitative coal feeder 7, the second quantitative coal feeder 10 and the third quantitative coal feeder 11 are used for controlling the quantitative transportation of the coking coal and the raw coal powder, the first quantitative coal feeder 7, the second quantitative coal feeder 10 and the third quantitative coal feeder 11 are arranged in sequence, the first quantitative coal feeder 7, the second quantitative coal feeder 10 and the third quantitative coal feeder 11 are respectively communicated with a first coal mill 3, a second coal mill 8 and a third coal mill 9, in this embodiment, the first coal mill 3, the second coal mill 8 and the third coal mill 9 may be the same or different coal mills.

Referring to fig. 1 and 2, the coal storage pipe 42 is communicated with the coking coal pipe 5, and the opening and closing or closing of the first manual valve 61 and the first pneumatic valve 62 of the coal storage pipe 42 does not limit the communication between the coal storage pipe 42 and the coking coal pipe 5 in the embodiment; the second manual valve 51 and the second pneumatic valve 52 for controlling the on-off of the coking coal pipe 5 are installed on the coking coal pipe 5, one end, far away from the coal storage pipe 42, of the coking coal pipe 5 is communicated with the branch pipes 12, the number of the branch pipes 12 is consistent with that of the quantitative coal feeders in the embodiment, the branch pipes 12 are respectively communicated with the first quantitative coal feeder 7, the second quantitative coal feeder 10 and the third quantitative coal feeder 11, the conveying of different quantitative coal feeders is achieved, the working efficiency is improved, the possibility of conveying coking coal powder by using the multiple injection tanks 41 is reduced, and the production cost is saved.

Referring to fig. 1 and 2, a third manual valve 13 and a third pneumatic valve 14 for controlling the on-off of the branch pipes 12 are installed on each of the plurality of branch pipes 12, so as to control the branch pipes 12, and when one of the branch pipes 12 fails, the third manual valve 13 and the third pneumatic valve 14 on the branch pipe 12 can be opened, the first manual valve 61 and the first pneumatic valve 62 are opened, so that pulverized coke is injected from the coal storage pipe 42, the influence on normal work production is reduced, and the work efficiency is improved.

The implementation principle of the coke-spraying pulverized coal pipeline device in the embodiment of the application is as follows: during actual production, the first manual valve 61 and the first pneumatic valve 62 are closed, at this time, the second manual valve 51, the second pneumatic valve 52, the third manual valve 13 and the third pneumatic valve 14 are all in an open state, raw coal enters the raw coal bunker 1 through the raw coal pipe 2, and is finally put into the first quantitative coal feeder 7, the second quantitative coal feeder 10 and the third quantitative coal feeder 11 respectively, meanwhile, the blowing tank 41 works, coking coal powder enters the coking coal pipe 5 through the coal storage pipe 42, the coking coal powder is divided and sequentially enters the branch pipes 12, and is finally put into the first quantitative coal feeder 7, the second quantitative coal feeder 10 and the third quantitative coal feeder 11, and the raw coal and the coking coal powder are quantified in the first quantitative coal feeder 7, the second quantitative coal feeder 10 and the third quantitative coal feeder 11 and then are input into the first coal mill 3, the second coal mill 8 and the third coal mill 9 for grinding and mixing; through the setting of coal storage device 4, coking coal pipe 5 and locking subassembly 6, help reducing the possibility that the coking coal powder flies upward when jetting to raw coal bunker 1 in the actual production, reduce the pollution of site work environment, improved operational environment, the healthy of site work personnel has been guaranteed, locking subassembly 6 is used for controlling the break-make between coal storage device 4 and the raw coal bunker 1 simultaneously, guarantee the normal operating of actual production and make things convenient for personnel to overhaul when coking coal pipe 5 breaks down.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A coke-spraying pulverized coal pipeline device is characterized in that: including raw coal bunker (1), the intercommunication has raw coal pipe (2) that are used for inputing the raw coal on raw coal bunker (1), the bottom of raw coal bunker (1) is provided with first coal pulverizer (3), the bottom and first coal pulverizer (3) of raw coal bunker (1) are linked together, one side of raw coal bunker (1) is provided with stores up coal device (4) that are used for saving the coking coal powder, store up coal device (4) and the top of raw coal bunker (1) and be linked together, it has coking coal pipe (5) still to communicate on coal device (4), the one end intercommunication that coal device (4) were kept away from in coking coal pipe (5) is on first coal pulverizer (3), still be provided with locking subassembly (6) that are used for controlling and make-and-break between raw coal bunker (1) on coal device (4).

2. The coke-injecting pulverized coal piping device according to claim 1, wherein: coal storage device (4) are including jetting jar (41) and coal storage pipe (42), jetting jar (41) set up subaerial, the one end intercommunication of coal storage pipe (42) is on jetting jar (41), the other end intercommunication of coal storage pipe (42) is at the top of raw coal storehouse (1), the one end that coking coal pipe (5) are close to jetting jar (41) is linked together with coal storage pipe (42), stop subassembly (6) set up in coking coal pipe (5) one side that is close to raw coal storehouse (1).

3. The coke-injecting pulverized coal piping device according to claim 2, characterized in that: stop subassembly (6) including first manual valve (61) and first pneumatic valve (62), first manual valve (61) and first pneumatic valve (62) all set up on coal storage pipe (42), first manual valve (61) and first pneumatic valve (62) all are located coking coal pipe (5) and are close to one side of former coal bunker (1).

4. The coke-injecting pulverized coal piping device according to claim 1, wherein: a first quantitative coal feeder (7) used for mixing coking coal and raw coal is arranged between the first coal mill (3) and the raw coal bin (1), the first quantitative coal feeder (7) is respectively communicated with the raw coal bin (1) and the first coal mill (3), and the coking coal pipe (5) is communicated with the first coal mill (3).

5. The coke-injecting pulverized coal piping device according to claim 4, wherein: and a second manual valve (51) and a second pneumatic valve (52) for controlling the on-off of the coking coal pipe (5) are arranged on the coking coal pipe (5).

6. The coke-injecting pulverized coal piping device according to claim 4, wherein: one side of the raw coal bin (1) is further provided with a second coal mill (8) and a third coal mill (9), the second coal mill (8) and the third coal mill (9) are respectively communicated with a second quantitative coal feeder (10) and a third quantitative coal feeder (11), the second quantitative coal feeder (10) and the third quantitative coal feeder (11) are both communicated with the raw coal bin (1), one end, far away from the coal storage pipe (42), of the coking coal pipe (5) is provided with a plurality of branch pipes (12), one of the branch pipes is communicated with the first quantitative coal feeder (7), and the rest branch pipes (12) are respectively communicated with the second quantitative coal feeder (10) and the third quantitative coal feeder (11).

7. The coke-injecting pulverized coal piping device according to claim 6, wherein: third manual valves (13) and third pneumatic valves (14) for controlling the on-off of the branch pipes (12) are arranged on the branch pipes (12).