Movable pulverized coal blowback collecting device

Abstract

The utility model relates to the technical field of ferrous metallurgy, in particular to a movable pulverized coal blowback collecting device which comprises a bottom plate and a collecting box located on the bottom plate, trundles are arranged at the lower end of the bottom plate, an obliquely-arranged supporting rod is arranged at the upper end of the bottom plate, a handrail is fixedly connected to the top end of the supporting rod, and a vertically-arranged partition plate is fixedly connected to the inner side of the collecting box. The partition plate divides the interior of the collecting box into the left part and the right part of the reverse blowing box and the negative pressure box, blockage clearing can be conducted on the coal gun in the high-pressure reverse blowing mode and the negative pressure suction mode respectively, the blockage clearing efficiency is high, reverse blowing gas can be directly discharged into the working environment after being filtered through the filter bag, blocked coal powder is left in the box body, and the blockage clearing efficiency is high. Scraper plates are respectively arranged in the back flushing box and the negative pressure box, coal powder in the box body can be concentrated to a coal unloading port through the scraper plates, then a valve on a coal unloading pipe is opened to unload coal, the unloaded coal powder can be reused, and environmental pollution is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of steel metallurgy technology, especially relates to a mobile coal powder back blowing collection device. BACKGROUND

[0002] With the increasingly scarce high-quality coking coal resources in China, the position of blast furnace injection coal in the steel smelting process is increasingly improved. The injection of coal powder instead of part of the coke can save coking investment, build fewer coke ovens and reduce air pollution caused by coking. On the other hand, it can greatly alleviate the tight situation of coking coal supply and demand. However, due to the problem of impurities or coal agglomeration in the coal powder, the phenomenon of coal gun plugging often occurs during the injection process. The direct pressure discharge of the blockage in the coal gun is easy to cause environmental pollution and waste of coal powder. To solve this problem, through observation, it is found that the coal powder is similar to the box ash, and a small box can be built to realize coal powder collection. Through field observation, combined with actual production conditions, a coal powder back blowing collection device is made, which is simple in structure and easy to operate. SUMMARY

[0003] In view of the problems existing in the prior art, the utility model provides a mobile coal powder back blowing collection device to solve the problem of environmental pollution caused by coal powder discharge in the background art, and can realize the recovery of blocked coal powder.

[0004] To achieve the above purpose, the utility model provides the following technical scheme:

[0005] A mobile coal powder back blowing collection device, comprising a bottom plate and a collection box located on the bottom plate, wherein the lower end of the bottom plate is provided with casters, and the upper end is provided with an inclined support rod, the top end of the support rod is fixedly connected with a handrail, the inner side of the collection box is fixedly connected with a vertically arranged partition plate, the partition plate divides the inside of the collection box into two parts, namely a back blowing box and a negative pressure box, the side wall of the back blowing box is connected with a first coal inlet pipe, the first coal inlet pipe is provided with a coal inlet valve and a quick connector, the quick connector is used for connecting a blocked coal gun, a plurality of gas outlet pipes are arranged on the top of the back blowing box, and filter bags are fixedly connected to the pipe openings on the outer side of the collection box.

[0006] The mobile coal powder back blowing collection device, the side wall of the negative pressure box is connected with a negative pressure machine, the suction port of the negative pressure machine is connected with a second coal inlet pipe, the second coal inlet pipe is also provided with a coal inlet valve and a quick connector, and the quick connector is used for connecting the blocked coal gun.

[0007] The movable coal dust back-blowing collecting device, the collecting box is provided with a box cover, the box cover is symmetrically arranged on both sides of the partition plate, and is used for opening and closing the back-blowing box or the negative pressure box, one side of the box cover is connected with the collecting box, and the upper and lower ends of the other side are both fixedly connected with mounting plates, the upper and lower ends of the collecting box are also provided with mounting plates, the mounting plates are provided with threaded round holes, and the two mounting plates are connected through threaded columns and nuts.

[0008] The movable coal dust back-blowing collecting device, the back-blowing box and the negative pressure box are both provided with a coal discharging port, the coal discharging port is located at the bottom of the box and close to one end of the box cover, the back-blowing box and the negative pressure box are both provided with a coal discharging pipe outside, and the coal discharging pipe is provided with a coal discharging valve.

[0009] The movable coal dust back-blowing collecting device, the back-blowing box and the negative pressure box are both provided with a coal discharging port, the coal discharging port is located at the bottom of the box and close to one end of the box cover, the back-blowing box and the negative pressure box are both provided with a coal discharging pipe outside, and the coal discharging pipe is provided with a coal discharging valve.

[0010] The movable coal dust back-blowing collecting device, the back-blowing box and the negative pressure box are both provided with a coal discharging port, the coal discharging port is located at the bottom of the box and close to one end of the box cover, the back-blowing box and the negative pressure box are both provided with a coal discharging pipe outside, and the coal discharging pipe is provided with a coal discharging valve.

[0011] The movable coal dust back-blowing collecting device, the bottom plate is provided with a weighing sensor and a display, the weighing sensor is used for detecting the weight of the collecting box, and the weighing sensor is electrically connected with the display.

[0012] The beneficial effects generated by the above technical scheme are as follows:

[0013] The movable coal dust back-blowing collecting device, the back-blowing box and the negative pressure box are both provided with a coal discharging port, the coal discharging port is located at the bottom of the box and close to one end of the box cover, the back-blowing box and the negative pressure box are both provided with a coal discharging pipe outside, and the coal discharging pipe is provided with a coal discharging valve.

[0014] The movable coal dust back-blowing collecting device, the back-blowing box and the negative pressure box are both provided with a coal discharging port, the coal discharging port is located at the bottom of the box and close to one end of the box cover, the back-blowing box and the negative pressure box are both provided with a coal discharging pipe outside, and the coal discharging pipe is provided with a coal discharging valve. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained in detail below in combination with the drawings and specific embodiments.

[0016] Figure 1 It is the structure schematic diagram (not draw according to the proportion) of the utility model;

[0017] Figure 2 It is the structure schematic diagram (not draw according to the proportion) of the utility model box cover after opening;

[0018] Figure 3 It is the structure schematic diagram (not draw according to the proportion) of the utility model scraper.

[0019] In the drawing: 1, bottom plate;2, trundle;3, support;4, handrail;5, baffle;6, backflushing box;7, negative pressure box;8, first coal inlet pipe;9, filter bag;10, negative pressure machine;11, second coal inlet pipe;12, box cover;13, sealing ring;14, mounting plate;15, coal discharge port;16, coal discharge pipe;17, scraper;18, pull rod;19, handle;20, limit rod;21, display. Specific embodiments

[0020] As Figures 1-3 Indicated, the utility model includes bottom plate 1 and is located on the collection box of bottom plate 1, bottom plate 1 lower extreme is equipped with trundle 2, and upper extreme is equipped with the support 3 of inclination setting, the support 3 top fixedly connected with handrail 4, the collection box inboard fixedly connected with the baffle 5 of vertical setting, the baffle divides the collection box inside into backflushing box 6 and negative pressure box 7 left and right two parts, wherein backflushing box 6 side wall connects first coal inlet pipe 8, and first coal inlet pipe 8 is equipped with coal inlet valve and quick coupling on, and the quick coupling is used to connect the jamming coal gun, and backflushing box 6 top is equipped with a plurality of gas outlet pipes, and the pipe orifice at the outside of collection box of gas outlet pipe is fixedly connected filter bag 9, by connecting the jamming coal gun with quick coupling, utilizes high pressure gas to spray and blow to coal gun, and the jamming coal powder is blown into backflushing box 6, and gas is filtered after filter bag 9 and is discharged into the environment, because filter bag 9 is located in backflushing box 6, when filter bag 9 breathability is poor, can directly change.

[0021] The utility model discloses the negative pressure box 7 side wall connects negative pressure machine 10, and the suction port of negative pressure machine 10 connects second coal inlet pipe 11, and second coal inlet pipe 11 is also equipped with coal inlet valve and quick coupling on, and the quick coupling is used to connect the jamming coal gun, and the suction of negative pressure machine 10 is sucked to coal gun, and the jamming coal powder is sucked into negative pressure box 7.

[0022] As Figure 2As shown, the collecting box is provided with a box cover 12 symmetrically arranged on both sides of the partition plate 5 for opening and closing the back blowing box 6 or the negative pressure box 7, the box cover 12 is provided with a sealing ring 13, which can ensure the sealing of the box when the box cover 12 is closed, one side of the box cover 12 is connected with the collecting box shaft, and the other side is fixedly connected with mounting plates 14 at the upper and lower ends, the upper and lower ends of the collecting box are also provided with mounting plates 14, the mounting plates 14 are provided with threaded round holes, and the two mounting plates are connected through threaded columns and nuts, and the box cover 12 is arranged, so that when the collecting box fails, the box cover 12 can be opened for maintenance.

[0023] As shown in the utility model, the back blowing box 6 and the negative pressure box 7 are both provided with a coal discharging port 15, the coal discharging port 15 is located at the bottom of the box and close to one end of the box cover 12, the back blowing box 6 and the negative pressure box 7 are both provided with a coal discharging pipe 16 outside, and the coal discharging pipe is provided with a coal discharging valve.

[0024] As shown in the utility model, the back blowing box 6 and the negative pressure box 7 are both provided with a coal discharging port 15, the coal discharging port 15 is located at the bottom of the box and close to one end of the box cover 12, the back blowing box 6 and the negative pressure box 7 are both provided with a coal discharging pipe 16 outside, and the coal discharging pipe is provided with a coal discharging valve. Figures 2-3 The scraping plate 17 is provided with brush hairs on the side wall and the top end, the operator pulls the handle 19 to drive the scraping plate 17 to concentrate the coal powder in the collecting box to the coal discharging port 15, and the brush hairs can remove the coal powder adhered to the surface of the collecting box and the partition plate.

[0025] As shown in the utility model, the back blowing box 6 and the negative pressure box 7 are both provided with a coal discharging port 15, the coal discharging port 15 is located at the bottom of the box and close to one end of the box cover 12, the back blowing box 6 and the negative pressure box 7 are both provided with a coal discharging pipe 16 outside, and the coal discharging pipe is provided with a coal discharging valve. Figure 2 The longitudinal section of the coal discharging port 15 is trapezoidal, and the inclined planes on both sides are easy for the coal powder to slide off, one side of the scraping plate 17 close to the coal discharging port 15 is provided with a limiting rod 20, when the scraping plate 17 is pulled to the coal discharging port 15, the limiting rod 20 first contacts the box cover 12 to prevent the scraping plate 17 from further advancing and falling into the coal discharging port 15, when the coal powder in the box needs to be discharged, a collecting bag can be placed under the coal discharging pipe 16, then the coal discharging valve is opened, the coal powder is driven to the coal discharging port 15 by the scraping plate 17, the coal powder slides along the inclined surface of the coal discharging port 15 into the coal discharging pipe 16 and flows into the collecting bag.

[0026] As shown in the utility model, the back blowing box 6 and the negative pressure box 7 are both provided with a coal discharging port 15, the coal discharging port 15 is located at the bottom of the box and close to one end of the box cover 12, the back blowing box 6 and the negative pressure box 7 are both provided with a coal discharging pipe 16 outside, and the coal discharging pipe is provided with a coal discharging valve. Figure 1 The bottom plate 1 is provided with a weighing sensor and a display 21, the weighing sensor is used for detecting the weight of the box, and the weighing sensor is electrically connected with the display 21, and according to the data on the display 21, the amount of coal powder in the box can be judged.

[0027] Work flow:

[0028] 1. Connect the blocked coal gun with the quick connector on one side of the back blowing box 6, and pass high pressure gas through the other side of the coal gun. Use the high pressure gas to spray and blow the blocked coal powder into the back blowing box 6. The gas is filtered by the filter bag 9 and then discharged into the environment;

[0029] 2. Also connect the blocked coal gun with the quick connector on one side of the negative pressure box 7, and open the negative pressure machine 10. Use the negative pressure machine 10 to suck the coal gun and suck the blocked coal powder into the negative pressure box 7.

[0030] 3. When the display 21 shows that the coal powder in the collection box is too much, place a collection bag under the coal discharge pipe 16, then open the coal discharge valve, and use the scraper 17 to push and pull the coal powder to the coal discharge opening 15. The coal powder slides along the inclined surface of the coal discharge opening 15 into the coal discharge pipe 16 and flows into the collection bag for reuse.

[0031] The above examples are only used to illustrate the technical solutions of the present application, and are not limited thereto. Although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions described in the foregoing examples can be modified, or some technical features can be replaced by equivalent features. Such modifications or replacements do not change the essence of the corresponding technical solutions, and do not deviate from the protection scope of the technical solutions of the embodiments of the present application.

Claims

1. A mobile coal dust blowback collection device, characterized by: The utility model relates to a coal collecting device, including bottom plate (1) and be located on bottom plate (1) collection box, bottom plate (1) lower end is equipped with trundle (2), upper end is equipped with the support rod (3) of inclination arrangement, support rod (3) top fixedly connected with handrail (4), collection box inboard fixedly connected with vertical arrangement baffle (5), baffle (5) will be collected in the box and divide into blowback tank (6) and negative pressure tank (7) left and right two parts, wherein blowback tank (6) side wall connects first coal inlet pipe (8), first coal inlet pipe (8) is equipped with coal inlet valve and quick -coupling on, quick -coupling is used for connecting the coal gun of jamming, blowback tank (6) top is equipped with a plurality of gas outlet pipe, the pipe orifice of gas outlet pipe is located collection box outboard all fixedly connected filter bag (9).

2. The mobile coal dust blowback collection device of claim 1, wherein: Negative pressure tank (7) side wall connects negative pressure machine (10), and the suction port of negative pressure machine (10) is connected with second coal inlet pipe (11), and second coal inlet pipe (11) is also equipped with coal inlet valve and quick -coupling, and quick -coupling is used for connecting the coal gun of jamming.

3. The mobile coal dust blowback collection device according to claim 1 or 2, characterized in that: Collection box is equipped with box cover (12), and box cover (12) is symmetrically arranged on both sides of baffle (5), is used for opening and closing blowback tank (6) or negative pressure tank (7), and one side of box cover (12) is connected with collection box, and the upper and lower ends of the other side are all fixedly connected with mounting plate (14), and the upper and lower ends of collection box are also equipped with mounting plate (14), and mounting plate (14) is equipped with threaded round hole, and two mounting plates (14) are connected through threaded column and nut.

4. The mobile coal dust blowback collection device of claim 3, wherein: Blowback tank (6) and negative pressure tank (7) are all equipped with coal discharge port (15), and coal discharge port (15) is located at the bottom of the tank, is close to the end of box cover (12), and blowback tank (6) and negative pressure tank (7) are correspondingly equipped with coal discharge pipe (16) outside, and coal discharge pipe (16) is equipped with coal discharge valve.

5. The mobile coal dust blowback collection device of claim 4, wherein: Blowback tank (6) and negative pressure tank (7) are all equipped with scraper (17), and scraper (17) is located in the inside of the tank, and one side of scraper (17) is equipped with pull rod (18), and one end of pull rod (18) passes through box cover (12) and is connected with handle (19), and the side wall and top end of scraper (17) are all equipped with brush.

6. The mobile coal dust blowback collection device of claim 5, wherein: The longitudinal section of the coal discharge port (15) is trapezoidal, and the side of the scraper (17) close to the coal discharge port (15) is provided with a limiting rod (20).

7. The mobile coal dust blowback collection device of claim 6, wherein: The bottom plate (1) is provided with a weighing sensor and a display (21), the weighing sensor is used for detecting the weight of the collection box, and the weighing sensor is electrically connected with the display (21).

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