A roller briquetting machine for low-rank coal modification

By using a crushing blade in a press-roller briquetting machine to crush coal and spray the catalyst solution, the problem of poor thermal stability of low-order coal is solved, and the quality of coal cakes and the convenience of processing and application are improved.

CN110385880BActive Publication Date: 2024-12-13张皓
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Patent Information

Application Number
CN201910589340.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-07-02
Publication Date
2024-12-13
Estimated Expiration
2039-07-02

AI Technical Summary

Technical Problem

The existing low-order coal is compacted into coal cakes by heavy hammers. It has poor thermal stability, low ignition point, strong reaction activity, easy oxidation and self-ignition, and easy to pulverize after drying, which limits its processing application.

Method used

A press-roller type briquetting machine is designed, using a structure that combines a walking device and a press-roller walking vehicle. By crushing the blade and spraying the catalyst solution, it promotes the full stirring and fusion of the coal material and the catalyst, and improves the quality of the coal cake. .

Benefits of technology

The quality of coal cakes is improved, its thermal stability and convenience of processing and application are enhanced, and the problems of poor thermal stability and easy powdering of low-level coal are solved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a roller briquetting machine for low-rank coal modification, and relates to the technical field of coal processing equipment. A traveling device is arranged on one side of the briquetting machine body, and a roller traveling vehicle is arranged on the other side of the briquetting machine body. The traveling device is located in a track, and a fixed suspension rod is arranged on the top of the traveling device, and a cross bar is arranged on one side of the fixed suspension rod, and a movable hanger is arranged on one end of the cross bar, and a connecting hanger is installed on the bottom end of the movable hanger. A top plate is arranged on the top of the roller traveling vehicle, and a scraper is arranged on the bottom end of the top plate. A roller is arranged between the scrapers, and a rotating shaft is arranged on the roller, and clamps are arranged at both ends of the rotating shaft. In the present invention, the roller device is placed in the coal trough, so that the roller traveling vehicle moves with the traveling device, wherein the rotating shaft and the crushing blade are driven by a driving motor, and the crushing blade first crushes the coal in the coal trough to loosen it, so that the roller can compact the coal later, which is beneficial to improve the quality of coal cakes.
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Description

Technical Field

[0001] The present invention relates to the technical field of coal processing equipment, and in particular to a roller briquetting machine for modifying low-rank coal. Background Art

[0002] Coke, a key raw material for blast furnace ironmaking, is produced by the high-temperature dry distillation of coal in a coke oven (950-1050°C). Ramming coking involves compacting the pulverized coal in the hopper of a loading car with a hammer. The pulverized coal is then transported from the loading car into the coke oven's carbonization chamber for high-temperature dry distillation. However, existing low-rank coal, directly compacted into briquettes using hammers, suffers from poor thermal stability, a low ignition point, high reactivity, and susceptibility to oxidation and spontaneous combustion. Furthermore, it cracks and pulverizes easily after drying, limiting its processing and application. Summary of the Invention

[0003] The purpose of the present invention is to provide a roller-type briquetting machine for modifying low-rank coal, which has the advantage of being convenient for the later processing of low-rank coal, and solves the problem that the existing low-rank coal is directly compacted into coal cakes by heavy hammer impact, which has poor thermal stability, low ignition point, strong reaction activity, easy oxidation and spontaneous combustion, and easy cracking and powdering after drying, which limits its processing and application.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a roller briquetting machine for low-rank coal modification, wherein a walking device is provided on one side of the briquetting machine body, and a roller trolley is provided on the other side of the briquetting machine body, the walking device is located in the track, a fixed hanger is provided on the top of the walking device, a cross bar is provided on one side of the fixed hanger, a movable hanger is provided at one end of the cross bar, a connecting hanger is installed at the bottom end of the movable hanger, a roller trolley is installed at the bottom end of the connecting hanger, a top plate is provided on the top of the roller trolley, a scraper is provided at the bottom end of the top plate, a roller is provided between the scrapers, a rotating shaft is provided on the roller, and clamping members are provided at both ends of the rotating shaft. A plate, a stirring shaft is installed on one side of the bottom of the top plate, a crushing blade is provided on the rotating shaft, a driven gear is installed at one end of the rotating shaft, the driven gear is connected to the driving gear through a chain, and the driving gear is located on the driving shaft, a driving motor is provided at one end of the driving shaft, a stirring box is installed on one side of the driving motor, a stirring motor is installed on one side of the stirring box, a stirring shaft is provided at one end of the stirring motor, a stirring blade is installed on the stirring shaft, a feeding port and a liquid feeding port are installed at the top of the stirring box, a first water pump and a second water pump are installed at the bottom end of the stirring box, a bottom pipe is provided between the first water pump and the second water pump, and a plurality of spray heads are installed on the bottom pipe.

[0005] Furthermore, the traveling device is a rail vehicle, the top end of the traveling device is connected to the cross bar through the fixed hanger, one end of the cross bar is fixedly connected to the movable hanger, and the movable hanger is fixedly connected to the pressure roller traveling vehicle through the connecting hanger.

[0006] By adopting the above technical solution, it is convenient for the traveling device to drive the pressure roller traveling vehicle to travel in the coal chute through the fixed hanger, the cross bar, the movable hanger and the connecting hanger.

[0007] Furthermore, the pressure roller is connected to the clamping plate via the rotating shaft, and the top end of the clamping plate is fixedly connected to the top plate.

[0008] By adopting the above technical solution, it is convenient to fix the pressing roller to the bottom end of the top plate through the clamping plate.

[0009] Furthermore, the stirring shaft is connected to the bottom end of the top plate through the clamping plate.

[0010] By adopting the above technical solution, it is convenient to fix the stirring shaft to the bottom end of the top plate through the clamping plate.

[0011] Furthermore, the mixing box is fixedly connected to the top plate, and the top plate is connected to the bottom pipe through the first water pump and the second water pump.

[0012] By adopting the above technical solution, it is convenient to fix the stirring box, and the catalyst solution is sprayed into the coal material through the bottom pipe by the first water pump and the second water pump.

[0013] Furthermore, the stirring motor is connected to the stirring blade via the stirring shaft.

[0014] By adopting the above technical solution, it is convenient to stir the catalyst solution.

[0015] Compared with the existing technology, this device has the following beneficial effects:

[0016] 1. In the present invention, a pressure roller device is placed in the coal trough, and the pressure roller vehicle moves following the vehicle. The driving motor drives the rotating shaft and the crushing blade. The crushing blade first crushes the coal in the coal trough to loosen it, which is convenient for the pressure roller to compact the coal, which is beneficial to improving the quality of the coal cake. At the same time, while the crushing device crushes the coal, the first water pump and the second water pump transport the catalyst solution in the mixing box to the coal. When the coal is crushed, the catalyst solution and the coal are fully stirred together, which is beneficial to the full fusion of the coal and the catalyst solution.

[0017] 2. The present invention can be replaced according to the height of the coal trough by connecting the hanger and the movable hanger, so it is suitable for coal troughs of various heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention;

[0019] Figure 2 This is a schematic structural diagram of the pressure roller traveling vehicle of the present invention;

[0020] Figure 3 It is a schematic diagram of the side structure of the pressure roller traveling vehicle of the present invention.

[0021] In the figure: 1-briquetting machine body, 2-traveling device, 3-track, 4-pressing roller traveling vehicle, 5-connecting hanger, 6-movable hanger, 7-cross bar, 8-fixed hanger, 9-scraper, 10-clamping plate, 11-top plate, 12-pressing roller, 13-rotating shaft, 14-driven gear, 15-bottom tube, 16-first water pump, 17-chain, 18-driving shaft, 19-driving gear, 20-driving motor, 21-feeding port, 22-mixing box, 23-mixing blade, 24-liquid adding port, 25-mixing shaft, 26-mixing motor, 27-second water pump, 28-spraying head, 29-crushing blade, 30-rotating shaft. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-3The present invention provides a technical solution: a roller briquetting machine for low-rank coal modification, comprising a briquetting machine body 1, a walking device 2 is provided on one side of the briquetting machine body 1, a roller traveling vehicle 4 is provided on the other side of the briquetting machine body 1, the traveling device 2 is located in a track 3, a fixed boom 8 is provided on the top of the traveling device 2, a cross bar 7 is provided on one side of the fixed boom 8, a movable hanger 6 is provided on one end of the cross bar 7, a connecting hanger 5 is installed at the bottom end of the movable hanger 6, a roller traveling vehicle 4 is installed at the bottom end of the connecting hanger 5, a top plate 11 is provided on the top of the roller traveling vehicle 4, a scraper 9 is provided at the bottom end of the top plate 11, a roller 12 is provided between the scrapers 9, a rotating shaft 13 is provided on the roller 12, a clamping plate 10 is provided at both ends of the rotating shaft 13, and a clamping plate 10 is installed on one side of the bottom of the clamping plate 10 There is a rotating shaft 30, on which a crushing blade 29 is provided. A driven gear 14 is installed at one end of the rotating shaft 30. The driven gear 14 is connected to the driving gear 19 through a chain 17. The driving gear 19 is located on the driving shaft 18. A driving motor 20 is provided at one end of the driving shaft 18. A mixing box 22 is installed on one side of the driving motor 20. A stirring motor 26 is installed on one side of the stirring box 22. A stirring shaft 25 is provided at one end of the stirring motor 26. A stirring blade 23 is installed on the stirring shaft 25. A feeding port 21 and a feeding port 24 are installed at the top of the stirring box 22. A first water pump 16 and a second water pump 27 are installed at the bottom end of the stirring box 22. A bottom pipe 15 is provided between the first water pump 16 and the second water pump 27, and a plurality of spray heads 28 are installed on the bottom pipe 15.

[0024] The traveling device 2 is a rail vehicle. The top of the traveling device 2 is connected to the cross bar 7 through a fixed hanger 8. One end of the cross bar 7 is fixedly connected to a movable hanger 6. The movable hanger 6 is fixedly connected to the roller traveling vehicle 4 through a connecting hanger 5.

[0025] The pressure roller 12 is connected to the clamping plate 10 via a rotating shaft 13 , and the top end of the clamping plate 10 is fixedly connected to the top plate 11 .

[0026] The stirring shaft 25 is connected to the bottom end of the top plate 11 through the clamping plate 10.

[0027] The mixing box 22 is fixedly connected to the top plate 11 , and the top plate 11 is connected to the bottom pipe 15 via the first water pump 16 and the second water pump 27 .

[0028] The stirring motor 26 is connected to the stirring blade 23 via the stirring shaft 25 .

[0029] The first fastening member 26 and the second fastening member 28 form a ring therebetween.

[0030] During use, first move the roller carriage 4 into the coal trough, and then drive the roller carriage 4 to move in the coal trough through the fixed hanger 8, cross bar 7, movable hanger 6 and connecting hanger 5. First, the driving motor 20 drives the rotating shaft 30 through the driving gear 19 and the chain 17, and the rotating shaft 30 rotates the crushing blade 29. The coal in the coal trough is crushed by the crushing blade 29 to achieve the purpose of loosening. At the same time, an appropriate amount of catalyst and solution are injected into the mixing box 22 through the liquid filling port 24 and the feeding port 21, and the stirring motor 26 stirs it evenly through the stirring shaft 25 and the stirring blade 23. Then, the first water pump 16 and the second water pump 27 spray it into the coal through the spray head 28, and then it is crushed by the roller 12.

[0031] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A roller briquetting machine for low-rank coal modification, comprising a briquetting machine body (1), characterized in that: A walking device (2) is provided on one side of the briquetting machine body (1), and a roller walking vehicle (4) is provided on the other side of the briquetting machine body (1). The walking device (2) is located in the track (3). A fixed suspension rod (8) is provided at the top of the walking device (2). A cross bar (7) is provided on one side of the fixed suspension rod (8). A movable hanger (6) is provided at one end of the cross bar (7). A connecting hanger (5) is installed at the bottom end of the movable hanger (6). A roller travel vehicle (4) is installed at the bottom end of the hanger (5), a top plate (11) is provided at the top end of the roller travel vehicle (4), a scraper (9) is provided at the bottom end of the top plate (11), a roller (12) is provided between the scrapers (9), a rotating shaft (13) is provided on the roller (12), clamping plates (10) are provided at both ends of the rotating shaft (13), a rotating shaft (30) is installed on one side of the bottom of the clamping plate (10), and a crushing device (30) is provided on the rotating shaft (30). A blade (29), a driven gear (14) is installed at one end of the rotating shaft (30), the driven gear (14) is connected to a driving gear (19) through a chain (17), the driving gear (19) is located on a driving shaft (18), a driving motor (20) is arranged at one end of the driving shaft (18), a stirring box (22) is installed at one side of the driving motor (20), a stirring motor (26) is installed at one side of the stirring box (22), the stirring motor ( A stirring shaft (25) is provided at one end of the stirring box (26), and a stirring blade (23) is installed on the stirring shaft (25). A feeding port (21) and a liquid feeding port (24) are installed at the top end of the stirring box (22). A first water pump (16) and a second water pump (27) are installed at the bottom end of the stirring box (22). A bottom pipe (15) is provided between the first water pump (16) and the second water pump (27), and a plurality of spray heads (28) are installed on the bottom pipe (15).

2. The roller briquetting machine for low-rank coal modification according to claim 1, characterized in that: The traveling device (2) is a rail vehicle, the top end of the traveling device (2) is connected to a cross bar (7) via the fixed hanger (8), one end of the cross bar (7) is fixedly connected to the movable hanger (6), and the movable hanger (6) is fixedly connected to the roller traveling vehicle (4) via the connecting hanger (5).

3. The roller briquetting machine for low-rank coal modification according to claim 1, characterized in that: The pressure roller (12) is connected to the clamping plate (10) via the rotating shaft (13), and the top end of the clamping plate (10) is fixedly connected to the top plate (11).

4. The roller briquetting machine for low-rank coal modification according to claim 1, characterized in that: The stirring shaft (25) is connected to the bottom end of the top plate (11) through the clamping plate (10).

5. The roller briquetting machine for low-rank coal modification according to claim 1, characterized in that: The mixing box (22) is fixedly connected to the top plate (11), and the top plate (11) is connected to the bottom pipe (15) via the first water pump (16) and the second water pump (27).

6. The roller briquetting machine for low-rank coal modification according to claim 2, characterized in that: The stirring motor (26) is connected to the stirring blade (23) via the stirring shaft (25).