CN215560402U

CN215560402U - Uniform distribution type distributor for pulverized coal injection of blast furnace

Info

Publication number: CN215560402U
Application number: CN202120957197.3U
Authority: CN
Inventors: 李福胜
Original assignee: Zhiben Mining Dalian Co ltd
Current assignee: Zhiben Mining Dalian Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-01-18
Anticipated expiration: 2031-05-06

Abstract

The utility model relates to the technical field of mechanical equipment, in particular to a uniform distribution type distributor for injecting pulverized coal in a blast furnace, which improves the stability of the equipment; the uniformity of the pulverized coal injected into the blast furnace of the equipment is improved; the device comprises a blowing bin, wherein a cavity is arranged in the blowing bin, and openings are respectively arranged at the upper end and the lower end of the blowing bin to enable the inner cavity to be communicated with the outside; the distribution bin is arranged at the upper end of the injection bin, the sealing cover is arranged at the upper end of the distribution bin and fixed through a bolt, the distribution bin is provided with a plurality of distribution devices at the side ends, the distribution device is arranged at the opening and comprises a connecting block, a first pipeline and a connector, the connecting block is arranged at the side end of the distribution bin, the first pipeline is communicated with a cavity in the distribution bin through the connecting block, and the connector is arranged at the upper end of the first pipeline.

Description

Uniform distribution type distributor for pulverized coal injection of blast furnace

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a uniform distribution type distributor for pulverized coal injection of a blast furnace.

Background

A uniform distribution type distributor for blast furnace coal powder injection is an auxiliary device for uniformly distributing the coal powder injected by a blast furnace, and is widely used in the field of mechanical equipment; the existing uniform distribution type distributor for blast furnace pulverized coal injection comprises an injection bin, wherein a cavity is arranged inside the injection bin, and openings are respectively arranged at the upper end and the lower end of the injection bin to enable the internal cavity to be communicated with the outside; when the existing uniform distribution type distributor for blast furnace coal powder injection is used, firstly, coal powder is input from the lower end of an injection bin under the action of air pressure and then is output to a specified position from the upper end of the injection bin; the existing uniform distribution type distributor for blowing the coal powder into the blast furnace is found in use that the conventional process for blowing the coal powder into the blast furnace needs to be continuously carried out, and the conventional technology mostly uses a one-way pipeline for conveying, so that the pipeline is inevitably blocked in long-term use, and the production is suspended due to the blockage of equipment.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a method for improving the stability of equipment; the uniform distribution type distributor for the blast furnace coal powder injection improves the uniformity of the equipment blast furnace coal powder injection.

The utility model discloses a uniformly distributed distributor for blast furnace pulverized coal injection, which comprises an injection bin, wherein a cavity is arranged in the injection bin, and openings are respectively arranged at the upper end and the lower end of the injection bin to enable the internal cavity to be communicated with the outside; the distribution bin is arranged at the upper end of the injection bin, the sealing cover is arranged at the upper end of the distribution bin and fixed through bolts, the distribution devices are arranged at the side ends of the distribution bin, openings are formed in the side ends of the distribution bin, the distribution devices are arranged at the openings and comprise connecting blocks, first pipelines and connectors, the connecting blocks are arranged at the side ends of the distribution bin, the first pipelines are communicated with cavities in the distribution bin through the connecting blocks, the connectors are arranged at the upper ends of the first pipelines, a vibration motor is fixedly arranged on the outer side wall of the injection bin, and an eccentric wheel is arranged at the output end of the vibration motor; still include the second pipeline, first air pump, first intake pipe, first support, first mounting panel, the curb plate, a pedestal, inlet pipe and hopper, the output at first air pump is installed to the second pipeline, the second pipeline communicates with the inside die cavity in jetting storehouse, first intake pipe is installed to the input of first air pump, first air pump is through the upper end of first support mounting at first mounting panel, the side at the curb plate is installed to first mounting panel, the upper end at the base is installed to the curb plate, install the inlet pipe on the second pipeline, inlet pipe and second pipeline intercommunication, the hopper is installed to the upper end of inlet pipe.

The utility model relates to a uniform distribution type distributor for pulverized coal injection of a blast furnace, which further comprises a third pipeline, a second air pump, a second air inlet pipe, a second support and a second mounting plate, wherein the third pipeline is arranged at the bottom end of a cavity of an injection bin, the third pipeline is communicated with the interior of the cavity of the injection bin, the third pipeline is arranged at the output end of the second air pump, the input end of the second air pump is provided with the second air inlet pipe, the second air pump is arranged at the upper end of the second mounting plate through the second support, and the second mounting plate is arranged at the side end of a side plate.

The utility model relates to a uniformly distributed distributor for pulverized coal injection of a blast furnace, which further comprises an auxiliary fixing frame, wherein the auxiliary fixing frame is arranged at the upper end of a base, and the other end of the auxiliary fixing frame is connected with an injection bin.

The utility model relates to a uniform distribution type distributor for blast furnace pulverized coal injection, which further comprises a filter screen, wherein the filter screen is arranged at the upper end of a third pipeline, and a plurality of openings are formed in the bottom end of an injection bin.

The utility model relates to a uniformly distributed distributor for blast furnace coal powder injection, which also comprises a collector, wherein the collector is arranged at the upper end of a base and is positioned at the lower end of an injection bin.

Compared with the prior art, the utility model has the beneficial effects that: the pulverized coal that rises along with atmospheric pressure carries out even distribution by the effect of blowing storehouse die cavity through a plurality of distributor and discharges, when taking place to block up, opens sealed lid, and the inside opening of the storehouse die cavity of distributing that can be convenient overhauls, and a plurality of distributor's connector passes through the pipeline and is connected with the blast furnace to make pulverized coal constantly provide, improved the convenience and the continuity of equipment.

Drawings

FIGS. 1 and 2 are schematic structural views of the present invention;

FIG. 3 is an enlarged schematic view of the main body of the apparatus;

reference numerals: 1. a blowing bin; 2. a distribution bin; 3. a sealing cover; 4. a bolt; 5. connecting blocks; 6. a first conduit; 7. a connector; 8. a second conduit; 9. a first air pump; 10. a first intake pipe; 11. a first bracket; 12. a first mounting plate; 13. a side plate; 14. a base; 15. a feed pipe; 16. a hopper; 17. a third pipeline; 18. a second air pump; 19. a second intake pipe; 20. a second bracket; 21. a second mounting plate; 22. an auxiliary fixing frame; 23. a filter screen; 24. an opening; 25. a collector.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 to 3, the uniform distribution type distributor for injecting pulverized coal into a blast furnace of the present invention comprises an injection bin 1, wherein a cavity is arranged inside the injection bin 1, and openings are respectively arranged at the upper end and the lower end of the injection bin 1 to communicate the internal cavity with the outside; the spraying and blowing device comprises a spraying and blowing bin 2, a sealing cover 3, a bolt 4 and a plurality of distribution devices, wherein the distribution bin 2 is arranged at the upper end of the spraying and blowing bin 1, the sealing cover 3 is arranged at the upper end of the distribution bin 2, the sealing cover 3 is fixed through the bolt 4, the plurality of distribution devices are arranged at the side end of the distribution bin 2, an opening is formed in the side end of the distribution bin 2, the distribution devices are arranged at the opening and comprise a connecting block 5, a first pipeline 6 and a connector 7, the connecting block 5 is arranged at the side end of the distribution bin 2, the first pipeline 6 is communicated with a cavity in the distribution bin 2 through the connecting block 5, the connector 7 is arranged at the upper end of the first pipeline 6, a vibration motor is fixedly arranged on the outer side wall of the spraying and blowing bin 1, and an eccentric wheel is arranged at the output end of the vibration motor; pulverized coal in a cavity of the injection bin 1, which rises along with air pressure, is uniformly distributed and discharged under the action of the distribution devices, when blockage occurs, the sealing cover 3 is opened, so that an opening in the cavity of the distribution bin 2 can be conveniently and rapidly overhauled, and the connectors 7 of the distribution devices are connected with a blast furnace through pipelines, so that the pulverized coal is continuously provided, and the convenience and the continuity of equipment are improved; and through setting up vibrating motor, vibrating motor drives the eccentric wheel and rotates and form the high frequency vibrations of small displacement on jetting storehouse 1, reduces the accumulational condition of material on the inside lateral wall in jetting storehouse 1.

The utility model relates to a uniform distribution type distributor for pulverized coal injection of a blast furnace, which further comprises a second pipeline 8, a first air pump 9, a first air inlet pipe 10, a first support 11, a first mounting plate 12, a side plate 13, a base 14, a feeding pipe 15 and a hopper 16, wherein the second pipeline 8 is mounted at the output end of the first air pump 9, the second pipeline 8 is communicated with a cavity inside an injection bin 1, the first air inlet pipe 10 is mounted at the input end of the first air pump 9, the first air pump 9 is mounted at the upper end of the first mounting plate 12 through the first support 11, the first mounting plate 12 is mounted at the side end of the side plate 13, the side plate 13 is mounted at the upper end of the base 14, the second pipeline 8 is provided with the feeding pipe 15, the feeding pipe 15 is communicated with the second pipeline 8, and the hopper 16 is mounted at the upper end of the feeding pipe 15; the pulverized coal is input from the hopper 16, enters the second pipeline 8 along the feeding pipe 15, the first air pump 9 is started, the input end of the first air pump 9 sucks air from the first air inlet pipe 10, then the air is sprayed out from the output end of the first air pump 9, the pulverized coal enters the cavity of the spraying and blowing bin 1 along the second pipeline 8 under the action of air pressure, then the pulverized coal is uniformly sprayed and distributed, and the convenience and the stability of the equipment are improved.

The utility model relates to a uniform distribution type distributor for pulverized coal injection of a blast furnace, which further comprises a third pipeline 17, a second air pump 18, a second air inlet pipe 19, a second support 20 and a second mounting plate 21, wherein the third pipeline 17 is installed at the bottom end of a cavity of an injection bin 1, the third pipeline 17 is communicated with the interior of the cavity of the injection bin 1, the third pipeline 17 is installed at the output end of the second air pump 18, the second air inlet pipe 19 is installed at the input end of the second air pump 18, the second air pump 18 is installed at the upper end of the second mounting plate 21 through the second support 20, and the second mounting plate 21 is installed at the side end of a side plate 13; and starting the second air pump 18, sucking air into the input end of the second air pump 18 through the second air inlet pipe 19, outputting the air through the third pipeline 17, allowing the air to enter the bottom end of the cavity inside the injection bin 1 along the third pipeline 17, and providing air pressure for the bottom end of the cavity of the injection bin 1 through the second air pump 18, so that the equipment has stability and controllability.

The utility model relates to a uniform distribution type distributor for pulverized coal injection of a blast furnace, which also comprises an auxiliary fixing frame 22, wherein the auxiliary fixing frame 22 is arranged at the upper end of a base 14, and the other end of the auxiliary fixing frame 22 is connected with an injection bin 1; the blowing bin 1 is fixed in an auxiliary mode through the auxiliary fixing frame 22, and the stability and convenience of the device are improved.

The utility model relates to a uniform distribution type distributor for blast furnace coal powder injection, which also comprises a filter screen 23, wherein the filter screen 23 is arranged at the upper end of a third pipeline 17, and the bottom end of an injection bin 1 is provided with a plurality of openings 24; in the pulverized coal, blocky coal which is not crushed inevitably enters the cavity of the injection bin 1, falls on the side end of the cavity of the injection bin 1 under the blocking effect of the filter screen 23 and is then discharged from the opening 24, so that the convenience of equipment is improved.

The utility model relates to a uniform distribution type distributor for blast furnace coal powder injection, which also comprises a collector 25, wherein the collector 25 is arranged at the upper end of a base 14, and the collector 25 is positioned at the lower end of an injection bin 1; the coal pieces discharged from the opening 24 fall into the collector 25 for collection and reuse, providing the facility with material utilization and environmental friendliness.

The utility model relates to a uniform distribution type distributor for blast furnace coal powder injection, which is characterized in that during operation, coal powder is firstly input from a hopper 16, enters a second pipeline 8 along a feeding pipe 15, a first air pump 9 is opened, the input end of the first air pump 9 sucks gas from a first air inlet pipe 10, then the coal powder is sprayed out from the output end of the first air pump 9, the coal powder enters the cavity of an injection bin 1 along the second pipeline 8 under the action of air pressure, then a second air pump 18 is started, the input end of the second air pump 18 sucks the air from a second air inlet pipe 19, the air is then output from a third pipeline 17, the air enters the bottom end of the cavity of the injection bin 1 along the third pipeline 17, the air pressure is provided for the bottom end of the cavity of the injection bin 1 through the second air pump 18, and then the coal powder rising along with the air pressure in the cavity of the injection bin 1 is uniformly distributed and discharged under the action of a plurality of distribution devices, when the blockage occurs, the sealing cover 3 is opened, the opening inside the cavity of the distribution bin 2 can be conveniently and quickly overhauled, and the connectors 7 of the distribution devices are connected with the blast furnace through pipelines, so that pulverized coal is continuously supplied, and the pulverized coal injection of the blast furnace is completed.

The installation mode, the connection mode or the arrangement mode of the uniformly distributed distributor for the pulverized coal injected into the blast furnace are common mechanical modes, and the uniformly distributed distributor can be implemented as long as the beneficial effects of the uniformly distributed distributor are achieved; the air pressures generated by the first air pump 9 and the second air pump 18 are calculated to be modulated at appropriate intensities; the first air pump 9 and the second air pump 18 of the uniform distribution type distributor for injecting the pulverized coal in the blast furnace are purchased from the market, and technicians in the industry only need to install and operate the distributor according to the attached operating instructions.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A uniform distribution type distributor for pulverized coal injection of a blast furnace comprises an injection bin (1), wherein a cavity is arranged inside the injection bin (1), and openings are respectively arranged at the upper end and the lower end of the injection bin (1) to enable the inner cavity to be communicated with the outside; the device is characterized by further comprising a distribution bin (2), a sealing cover (3), a bolt (4) and a plurality of distribution devices, wherein the distribution bin (2) is installed at the upper end of the blowing bin (1), the sealing cover (3) is installed at the upper end of the distribution bin (2), the sealing cover (3) is fixed through the bolt (4), the distribution devices are installed at the side end of the distribution bin (2), an opening is formed in the side end of the distribution bin (2), the distribution devices are installed at the opening and comprise a connecting block (5), a first pipeline (6) and a connector (7), the connecting block (5) is installed at the side end of the distribution bin (2), the first pipeline (6) is communicated with a cavity in the distribution bin (2) through the connecting block (5), the connector (7) is installed at the upper end of the first pipeline (6), and a vibration motor is fixedly arranged on the outer side wall of the blowing bin (1), an eccentric wheel is arranged at the output end of the vibration motor; also comprises a second pipeline (8), a first air pump (9), a first air inlet pipe (10), a first bracket (11), a first mounting plate (12), a side plate (13), a base (14), a feeding pipe (15) and a hopper (16), the output in first air pump (9) is installed in second pipeline (8), second pipeline (8) and the inside die cavity intercommunication in jetting storehouse (1), first intake pipe (10) are installed to the input of first air pump (9), the upper end in first mounting panel (12) is installed through first support (11) in first air pump (9), the side in curb plate (13) is installed in first mounting panel (12), the upper end in base (14) is installed in curb plate (13), install inlet pipe (15) on second pipeline (8), inlet pipe (15) and second pipeline (8) intercommunication, hopper (16) are installed to the upper end of inlet pipe (15).

2. The uniform distribution type distributor for the pulverized coal injected into the blast furnace according to claim 1, further comprising a third pipeline (17), a second air pump (18), a second air inlet pipe (19), a second support (20) and a second mounting plate (21), wherein the third pipeline (17) is installed at the bottom end of the cavity of the injection bin (1), the third pipeline (17) is communicated with the inside of the cavity of the injection bin (1), the third pipeline (17) is installed at the output end of the second air pump (18), the second air inlet pipe (19) is installed at the input end of the second air pump (18), the second air pump (18) is installed at the upper end of the second mounting plate (21) through the second support (20), and the second mounting plate (21) is installed at the side end of the side plate (13).

3. The equipartition type distributor for injecting pulverized coal into a blast furnace according to claim 1, further comprising an auxiliary fixing frame (22), wherein the auxiliary fixing frame (22) is installed at an upper end of the base (14), and the other end of the auxiliary fixing frame (22) is connected with the injection bin (1).

4. The equipartition type distributor for injecting pulverized coal into a blast furnace according to claim 2, further comprising a filter screen (23), wherein the filter screen (23) is installed at an upper end of the third duct (17), and a plurality of openings (24) are provided at a bottom end of the injection bin (1).

5. The equipartition type distributor for injecting pulverized coal into a blast furnace according to claim 4, further comprising a collector (25), wherein the collector (25) is installed at an upper end of the base (14), and the collector (25) is located at a lower end of the injection silo (1).