Raw coal bunker separating structure capable of improving coal blending flexibility

Abstract

The utility model provides a raw coal bunker separating structure capable of increasing coal blending flexibility, and relates to the field of electric coal bunkers, the raw coal bunker separating structure capable of increasing coal blending flexibility comprises a coal bunker, a partition plate is arranged in the coal bunker, and at least a front group and a rear group of clamping sleeves are fixedly installed on the sides, close to each other, of the partition plate and the coal bunker. An adjusting roller is inserted between the coal bunker and the partition plate in the horizontal direction, the adjusting roller comprises clamping plates which are symmetrically arranged, and threaded sleeves are fixedly installed in the middles of the clamping plates. According to the raw coal bunker separating structure capable of improving the coal blending flexibility, the arranged adjusting rollers are pulled out of the clamping sleeves, the adjusting rollers on one side are subjected to elongation adjustment, the adjusting rollers on the other side are subjected to shortening adjustment, the adjusting rollers can be inserted into the corresponding clamping sleeves again by sliding the partition plates, and therefore the positions of the partition plates can be adjusted; the problem that in the prior art, the size of a sub-bunker in an original coal bunker cannot be adjusted is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal bunker, concretely is a raw coal bunker sub -warehouse structure that increases coal blending flexibility. BACKGROUND

[0002] At present, coal blending is one of important ways to cope with the fuel supply shortage of coal-fired power plant boilers in China, complexity and variability, improve the safety, economy and environmental protection of unit operation. Under normal circumstances, the boiler raw coal bunker is equipped with one coal mill and one coal feeder, and only one kind of coal is stored in one raw coal bunker. In order to save energy and improve efficiency, the technical personnel improves the raw coal bunker, divides the inside of the raw coal bunker into two spaces through the partition, one side is placed with high-quality coal and the other side is placed with low-quality coal. In the power peak period, high-quality coal is transported through the raw coal bunker, and conversely, when the demand for electricity is not very large, low-quality coal is transported through the raw coal bunker.

[0003] The raw coal bunker sub-warehouse structure for increasing peak regulation flexibility disclosed in Chinese invention patent application CN118665877A includes a raw coal storage device, which includes a raw coal bunker support frame, raw coal bunkers rotatably connected to the top of the raw coal bunker support frame on both sides, a raw coal bunker provided with a feed inlet on both sides, a partition connected to the inner wall of the raw coal bunker, and a hopper connected to the bottom of the raw coal bunker support frame.

[0004] The technical scheme can set the raw coal bunker to a shape close to a rhombus, so that when the weight inside is unbalanced, it can automatically rotate to adjust the center of gravity, so that the raw coal bunker support frame can bear force more evenly, effectively solving the problems in the prior art, and the raw coal bunker can also transport different coal types faster according to the peak regulation demand. However, the power consumption in the power supply range is almost the same every day, and the peak value and the valley value are relatively fixed, so the proportion of raw coal can also be adjusted periodically, but the storage space of the high-quality coal and the low-quality coal in the device cannot be adjusted, so a raw coal bunker with adjustable storage space is needed. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model provides a raw coal bunker sub-warehouse structure for increasing coal blending flexibility, which solves the problem that the size of the raw coal bunker sub-warehouse cavity cannot be adjusted in the background art.

[0006] TECHNICAL SCHEME

[0007] The utility model discloses a kind of original coal bunker sub-bunker structures of increasing coal blending flexibility, including coal bunker, the inside of coal bunker is provided with partition plate, the side of partition plate and coal bunker is mutually close and is fixedly installed with collar, collar is at least front and back two groups, adjusting roller is inserted between coal bunker and partition plate in horizontal direction, the adjusting roller includes the symmetrically arranged clamping plate, threaded sleeve is fixedly installed in the middle part of clamping plate, threaded sleeve is threadedly connected with threaded shaft in its inside, threaded shaft is fixedly connected with the other side clamping plate, threaded shaft is sleeved with sliding sleeve on its outer surface, sliding sleeve is fixedly connected with the clamping plate of threaded shaft connection.

[0008] Further, the size of the two clamping plates is the same, a friction groove is formed on the surface of one of the clamping plates, and an internal hexagonal clamping groove is formed on the end face of the other clamping plate.

[0009] Further, a clamping frame is fixedly installed on the rear end of the partition plate, the clamping frame is sleeved above the coal bunker, and an extrusion threaded block is threadedly connected to the rear end of the clamping frame.

[0010] Further, a clamping block is arranged above the partition plate, plug-in frames are inserted into the upper sides of the two sides of the coal bunker, the two plug-in frames are fixedly connected by a threaded rod, a threaded sleeve is threadedly connected to the outer surface of the threaded rod, and the threaded sleeve is rotatably clamped in the middle part of the clamping block.

[0011] Further, the two sides of the discharge end of the coal bunker are folded towards the middle, two symmetrically arranged baffles are rotatably connected to the front end of the partition plate, plug-in holes are formed in the upper surfaces of the baffles and the partition plate, and the two plug-in holes are fixedly connected by a plug-in plate.

[0012] Further, the coal bunker is inclined at the bottom end, and the front end of the coal bunker is lower than the rear end of the coal bunker.

[0013] Further, the bottom end of the partition plate is flush with the bottom surface of the coal bunker, and the side surface of the partition plate is flush with the rear wall of the coal bunker.

[0014] The utility model has the advantages that:

[0015] 1. The original coal bunker sub-bunker structure for increasing coal blending flexibility is extracted from the collar, and the adjusting roller on one side is elongated and adjusted, and the adjusting roller on the other side is shortened and adjusted. The adjusting roller can be inserted into the corresponding collar through the sliding partition plate, so that the position of the partition plate can be adjusted, and the problem that the size of the sub-bunker in the original coal bunker cannot be adjusted in the prior art is solved.

[0016] 2、The coal bin sub-bin structure that increases the flexibility of blending coal, the threaded shaft is arranged in the inside of the threaded sleeve in the adjusting roller arranged, and the sliding sleeve is arranged on the outside to protect, so that the problem of difficult thread adjustment caused by the raw coal entering the threaded connection can be avoided.

[0017] 3、The coal bin sub-bin structure that increases the flexibility of blending coal, the two sides of the discharge end of the coal bin are folded to the middle, the front end of the partition plate is rotationally connected with two symmetrically arranged baffles, the upper surface of the baffle and the upper surface of the partition plate are provided with plug-in holes, and the two plug-in holes are fixedly connected through a plug-in plate. Through such a setting, the baffle can be rotated, and the rotation angle of the baffle can be fixed by plug-in in the corresponding plug-in hole through the plug-in plate. Finally, the discharge speed can be fine-tuned. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a coal bin connection schematic view of the utility model;

[0020] Figure 3 It is a partition plate connection schematic view of the utility model;

[0021] Figure 4 It is a threaded shaft connection schematic view of the utility model;

[0022] Figure 5 It is a threaded rod connection schematic view of the utility model.

[0023] Among them, 1, coal bin; 2, partition plate; 3, clamping sleeve; 4, adjusting roller; 5, clamping plate; 6, threaded sleeve; 7, threaded shaft; 8, sliding sleeve; 9, friction groove; 10, inner hex clamping groove; 11, clamping frame; 12, extruded threaded block; 13, clamping block; 14, plug-in frame; 15, threaded rod; 16, threaded sleeve; 17, baffle; 18, plug-in hole; 19, plug-in plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Reference Figures 1-5The utility model provides a kind of to increase the flexibility of blending coal raw coal bin structure, including coal bunker 1, the inside of coal bunker 1 is provided with partition plate 2, partition plate 2 and the side of mutual close of coal bunker 1 is fixedly installed with collet 3, collet 3 is at least front and rear two groups, and adjusting roller 4 is inserted between coal bunker 1 and partition plate 2 in horizontal direction, for example, periodic daytime electricity consumption is peak value, adjusting good coal bin in raw coal bunker increases at this time, and long time is used, periodic night electricity consumption is valley, and adjusting poor coal bin increases, to be able to avoid using multiple different proportion coal bunker 1, adjusting roller 4 includes symmetrically arranged clamping plate 5, clamping plate 5 is fixedly installed with threaded sleeve 6 in the middle part, threaded sleeve 6 is screw-connected with threaded shaft 7 in the inside, threaded shaft 7 is fixedly connected with the other side clamping plate 5, threaded shaft 7 is sleeved with sliding sleeve 8 on outer surface, and sliding sleeve 8 is fixedly connected with the clamping plate 5 of threaded shaft 7 connection.

[0026] The size of the two clamping plates 5 is the same, a surface of one of the clamping plates 5 is provided with a friction groove 9, and an end surface of the other clamping plate 5 is provided with an internal hexagonal clamping groove 10. Through such a design, one end can be easily held by hand, and the other end can be connected with a power tool, so that the length of the adjusting roller 4 can be quickly adjusted.

[0027] A clamping frame 11 is fixedly installed on the upper end of the partition plate 2, the clamping frame 11 is sleeved on the upper side of the coal bunker 1, and a pressing threaded block 12 is screw-connected with the rear end of the clamping frame 11. Through such a design, the partition plate 2 and the coal bunker 1 can be fixedly connected.

[0028] A clamping block 13 is arranged above the partition plate 2, and a plug-in frame 14 is inserted on the upper side of the two sides of the coal bunker 1. The two plug-in frames 14 are fixedly connected by a threaded rod 15. The outer surface of the threaded rod 15 is screw-connected with a threaded sleeve 16. The two ends of the threaded sleeve 16 are provided with a hexagonal structure that can cooperate with a wrench. The threaded sleeve 16 can be rotated by the wrench. The threaded sleeve 16 is clamped in the middle of the clamping block 13. The clamping block 13 is adjusted in position by rotating the threaded sleeve 16. Then, the device is clamped on the upper side of the partition plate 2 and the coal bunker 1. Through such a design, the partition plate 2 and the coal bunker 1 can be fixed from the top, so that the partition plate 2 can be prevented from tilting.

[0029] The two sides of the discharge end of the coal bunker 1 are gathered to the middle, the front end of the partition plate 2 is rotatably connected with two symmetrically arranged baffles 17, the upper surface of the baffle 17 and the upper surface of the partition plate 2 are provided with plug-in holes 18, and the two plug-in holes 18 are fixedly connected by a plug-in plate 19. Through such a design, the baffle 17 can be rotated, and the rotation angle of the baffle 17 can be fixed by inserting the plug-in plate 19 into the corresponding plug-in hole 18. Finally, the discharge speed can be finely adjusted.

[0030] The bottom end of the coal bunker 1 is inclinedly arranged, the front end of the coal bunker 1 is lower than the rear end of the coal bunker 1, and through the arrangement, the raw coal in the coal bunker 1 can be discharged outward.

[0031] The bottom end of the partition plate 2 is flush with the bottom surface of the coal bunker 1, and the side surface of the partition plate 2 is flush with the rear wall of the coal bunker 1, and through the arrangement, the partition plate 2 can divide the coal bunker 1 into two relatively independent cavities.

[0032] In use, the adjusting roller 4 is pulled out of the sleeve 3, and the adjusting roller 4 on one side is elongated, and the adjusting roller 4 on the other side is shortened, and through the sliding partition plate 2, the adjusting roller 4 can be inserted into the corresponding sleeve 3 again, so that the position of the partition plate 2 can be adjusted.

[0033] In particular, the threaded shaft 7 is arranged on the inner side of the threaded sleeve 6, and the sliding sleeve 8 is arranged on the outer side for protection, so that the problem of difficult thread adjustment caused by the raw coal entering the threaded connection can be avoided.

[0034] It should be noted that the relational terms herein such as first and second and the like are used only to differentiate one entity or operation from another, and do not necessarily require or imply that these entities or operations exist in any actual relationship or order.

[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A raw coal bunker sub-bunker structure for increasing the flexibility of blending coal, comprising a coal bunker (1), the inside of the coal bunker (1) being provided with a partition plate (2), characterized in that: The side close to each other of the partition plate (2) and the coal bunker (1) is fixedly installed with a clamping sleeve (3), the clamping sleeve (3) is at least two groups in front and back, and the adjusting roller (4) is inserted horizontally between the coal bunker (1) and the partition plate (2); The adjusting roller (4) comprises symmetrically arranged clamping plates (5), the middle part of the clamping plate (5) is fixedly installed with a threaded sleeve (6), the inside of the threaded sleeve (6) is threadedly connected with a threaded shaft (7), the threaded shaft (7) is fixedly connected with the other clamping plate (5), the outer surface of the threaded shaft (7) is sleeved with a sliding sleeve (8), and the clamping plate (5) connected with the threaded shaft (7) is fixedly connected with the sliding sleeve (8).

2. The raw coal bunker sub-bunker structure for increasing flexibility of blending coal according to claim 1, characterized in that: The two clamping plates (5) are the same size, one of the clamping plates (5) is provided with a friction groove (9) on the surface, and the other clamping plate (5) is provided with an internal hexagonal clamping groove (10) on the end face.

3. The coal bin structure for increasing flexibility of blending coal according to claim 1, characterized in that: The rear end of the partition plate (2) is fixedly installed with a clamping frame (11), the clamping frame (11) is sleeved above the coal bunker (1), and the rear end of the clamping frame (11) is threadedly connected with an extrusion threaded block (12).

4. The raw coal bunker sub-bunker structure for increasing flexibility of blending coal according to any one of claims 1 to 3, characterized in that: The upper part of the partition plate (2) is provided with a clamping block (13), the upper part of the two sides of the coal bunker (1) is inserted with an insertion frame (14), the two insertion frames (14) are fixedly connected through a threaded rod (15), the outer surface of the threaded rod (15) is threadedly connected with a threaded sleeve (16), and the threaded sleeve (16) is rotatably clamped in the middle part of the clamping block (13).

5. The coal bin structure for increasing flexibility of blending coal according to claim 4, characterized in that: The two sides of the discharge end of the coal bunker (1) are folded to the middle, the front end of the partition plate (2) is rotatably connected with two symmetrically arranged baffle plates (17), the upper surface of the baffle plate (17) and the upper surface of the partition plate (2) are provided with an insertion hole (18), and the two insertion holes (18) are fixedly connected through an insertion plate (19).

6. The coal bin structure for increasing flexibility of blending coal according to claim 5, characterized in that: The bottom end of the coal bunker (1) is inclinedly arranged, and the front end of the coal bunker (1) is lower than the rear end of the coal bunker (1).

7. The coal bin structure for increasing flexibility of blending coal according to claim 6, characterized in that: The bottom end of the partition plate (2) is flush with the bottom surface of the coal bunker (1), and the side surface of the partition plate (2) is flush with the rear wall of the coal bunker (1).

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