Novel coal crushing device for coal dressing

Abstract

The utility model relates to a novel coal crushing device for coal dressing, and aims to solve the technical problem that the surrounding environment becomes poor due to flying coal dust generated by crushing of a coal mine at the feeding end of a crusher at present, the novel coal crushing device comprises a crushing box, a feeding channel is fixedly arranged at the inlet end of the crushing box, and the novel coal crushing device further comprises a transverse plate and a dust removal structure; the two transverse plates are symmetrically and fixedly arranged on the two sides of the feeding channel. The two dust removal structures are arranged on the two transverse plates correspondingly. The dust removal structure comprises a connecting pipe, an atomizing nozzle and a plugging assembly; the bottom end of the connecting pipe is fixedly arranged on the transverse plate through a plurality of supporting frames. The tail end of the connecting pipe is connected with a water conveying pipe through a connector. A plurality of atomizing nozzles are fixedly arranged on the connecting pipe at equal intervals; the spray dust suppression device has the advantages that spray dust suppression is carried out on the two sides of the feeding position of the crusher, so that coal dust moved out of the feeding channel is adsorbed and settled by atomized water drops, and the content of the coal dust in air is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of coal crushing, in particular to a novel coal crushing device for coal preparation. Background Art

[0002] Coal mines are areas where humans mine coal resources in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. When the coal seam is far from the surface, it is generally chosen to dig tunnels underground to mine coal, which is an underground coal mine. When the coal seam is very close to the surface, it is generally chosen to directly strip the surface soil layer to mine coal, which is an open-pit coal mine.

[0003] In coal preparation production, crushing is a necessary task in coal mine preparation. Coal blocks are broken into smaller pieces suitable for use.

[0004] When a general coal mine crushing device is crushing coal, coal dust is generated at the feed end of the crusher due to the crushing of the coal mine, which causes the surrounding environment to deteriorate.

[0005] In view of this, we propose a new type of coal crushing device for coal preparation. Utility Model Content

[0006] The purpose of the utility model is to overcome the deficiencies of the prior art, meet actual needs, and provide a new type of coal crushing device for coal preparation to solve the current technical problem that the surrounding environment deteriorates due to the coal dust generated by the crushing of the coal mine at the feed end of the crusher.

[0007] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: design a new type of coal crushing device for coal preparation, including a crushing box, the inlet end of the crushing box is fixedly provided with a feed channel, and also includes a horizontal plate and a dust removal structure;

[0008] Two horizontal plates are symmetrically fixed on both sides of the feed channel;

[0009] Two dust removal structures are respectively arranged on the two horizontal plates;

[0010] The dust removal structure includes a connecting pipe, an atomizing nozzle and a plugging component;

[0011] The bottom end of the connecting pipe is fixed on the horizontal plate through a plurality of support frames;

[0012] Wherein, the end of the connecting pipe is connected to a water pipe through a joint;

[0013] A plurality of atomizing nozzles are fixedly arranged on the connecting pipe at equal intervals;

[0014] The plugging component is fixedly arranged at the head end of the connecting pipe.

[0015] Preferably, a plurality of the atomizing nozzles are arranged on the connecting pipe in an outwardly inclined manner.

[0016] Preferably, the plugging assembly comprises a cover plate and a collar;

[0017] The cover plate is disposed at the head end of the connecting pipe;

[0018] The collar is fixedly arranged on the inner side of the cover plate;

[0019] Wherein, the collar is sleeved on the head end of the connecting pipe;

[0020] Among them, three bolts are threadedly penetrated in a circular array on the collar, and the inner ends of the three bolts are respectively plugged into and matched with three sockets opened in a circular array on the outer ring wall of the head end of the connecting pipe.

[0021] Preferably, the inner ring wall of the collar is symmetrically provided with two slots, and the outer ring wall of the head end of the connecting pipe is symmetrically provided with two plug-in blocks, and the plug-in blocks are inserted and matched with the slots;

[0022] Wherein, the two insert blocks are staggered with the three bolts.

[0023] Preferably, a round block A is fixedly arranged on the inner side of the cover plate, and a round block B is fixedly arranged on the inner side of the round block A;

[0024] The round block A and the round block B are inserted and matched with the inner cavity of the first end of the connecting pipe, and the outer ring wall of the round block B is in contact with the inner cavity wall of the first end of the connecting pipe;

[0025] The diameter of the round block A is smaller than the diameter of the round block B.

[0026] Preferably, the outer ring wall of the round block A is sleeved with an annular spring sheet, and the outer ring of the annular spring sheet is sleeved with a sealing ring;

[0027] The cross section of the annular spring piece adopts an arc-shaped structure design, and the arched ends of the annular spring piece and the sealing ring are abutted and matched with the annular groove formed on the inner cavity wall of the first end of the connecting pipe.

[0028] Compared with the prior art, the beneficial effects of the utility model are:

[0029] 1. The utility model has the advantage of spraying dust reduction on both sides of the crusher feed through the arrangement of connecting pipes, atomizing nozzles, water pipes and blocking components, so that the coal dust removed from the feed channel is adsorbed and settled by atomized water droplets, thereby reducing the coal dust content in the air, and solving the problem of the surrounding environment being deteriorated due to the coal dust generated outside due to the crushing of coal mines at the feed end of the crusher.

[0030] 2. The utility model has the advantages of sealing the head end of the connecting pipe by arranging the cover plate, the collar, the bolts and the jack, and at the same time being easy to disassemble, open the head end of the connecting pipe and flush the inner cavity of the connecting pipe with water.

[0031] 3. The utility model provides a slot and an insert block, so that when the collar is sleeved with the head end of the connecting pipe, the insert block and the slot are butted against each other to achieve the positioning of the collar when sleeved, and the bolt and the socket are accurately aligned.

[0032] 4. The utility model has the advantages of further strengthening the sealing of the head end of the connecting pipe by providing an annular spring piece, a sealing ring and an annular groove, and positioning the sleeved ring by abutting the arched ends of the annular spring piece and the sealing ring with the annular groove, which is convenient for fixing the ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0034] Figure 2 This is a schematic diagram of the dust removal structure of the utility model;

[0035] Figure 3 This is a schematic diagram of the cross-sectional connection structure of the plugging component of the utility model;

[0036] Figure 4 For the utility model Figure 3 A magnified schematic diagram of point A;

[0037] Figure 5 This is a schematic diagram of the sleeve connection structure of the utility model;

[0038] In the figure: 1. Crushing box; 2. Feeding channel; 3. Horizontal plate; 4. Dust removal structure; 5. Water pipe;

[0039] 401, connecting pipe; 402, supporting frame; 403, joint; 404, atomizing nozzle; 405, plugging assembly;

[0040] 4011, jack; 4012, annular groove;

[0041] 4051, cover plate; 4052, collar; 4053, round block A; 4054, round block B; 4055, bolt; 4056, annular spring piece; 4057, sealing ring; 4058, plug-in block; 4059, slot. DETAILED DESCRIPTION

[0042] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0043] Example 1: A new type of coal crushing device for coal preparation, see Figures 1 to 5, including a crushing box 1, a feed channel 2 is fixedly provided at the inlet end of the crushing box 1, and also includes a transverse plate 3 and a dust removal structure 4;

[0044] Two transverse plates 3 are symmetrically fixed on both sides of the feed channel 2; two dust removal structures 4 are respectively arranged on the two transverse plates 3;

[0045] The dust removal structure 4 includes a connecting pipe 401, an atomizing nozzle 404 and a blocking component 405;

[0046] The bottom end of the connecting pipe 401 is fixed on the horizontal plate 3 through a plurality of support frames 402; wherein, the end of the connecting pipe 401 is connected to the water pipe 5 through a joint 403; the water pipe 5 is connected to a ground water pumping device; a plurality of atomizing nozzles 404 are fixed on the connecting pipe 401 at equal distances; and a plugging assembly 405 is fixed at the head end of the connecting pipe 401.

[0047] The utility model has the advantage of spraying dust on both sides of the crusher feed point by arranging a connecting pipe 401, an atomizing nozzle 404, a water pipe 5 and a plugging component 405, so that the coal dust removed from the feed channel 2 is adsorbed and settled by atomized water droplets, thereby reducing the coal dust content in the air, and solving the problem of the surrounding environment being deteriorated due to the coal dust generated outside due to the crushing of the coal mine at the feed end of the crusher.

[0048] Specifically, a plurality of atomizing nozzles 404 are arranged on the connecting pipe 401 in an outwardly inclined manner; the atomizing nozzles 404 in an outwardly inclined manner spray a larger range of atomized water droplets.

[0049] Further, the plugging assembly 405 includes a cover plate 4051 and a collar 4052;

[0050] The cover plate 4051 is blocked at the head end of the connecting pipe 401; the collar 4052 is fixed on the inner side of the cover plate 4051; wherein, the collar 4052 is sleeved on the head end of the connecting pipe 401; wherein, three bolts 4055 are threadedly passed through the collar 4052 in a circular array, and the inner ends of the three bolts 4055 are respectively plugged into and matched with three sockets 4011 opened in a circular array on the outer ring wall of the head end of the connecting pipe 401.

[0051] The utility model has the advantages of sealing the head end of the connecting pipe 401 by arranging the cover plate 4051, the collar 4052, the bolt 4055 and the jack 4011, and facilitating disassembly and opening the head end of the connecting pipe 401 to flush the inner cavity of the connecting pipe 401.

[0052] Furthermore, two slots 4059 are symmetrically formed on the inner wall of the collar 4052 , and two plugs 4058 are symmetrically fixed on the outer wall of the head end of the connecting pipe 401 , and the plugs 4058 are inserted and matched with the slots 4059 ; wherein the two plugs 4058 are staggered with the three bolts 4055 .

[0053] The utility model provides the slot 4059 and the plug 4058, so that when the collar 4052 is sleeved with the head end of the connecting pipe 401, the plug 4058 and the slot 4059 are butted together to achieve the positioning of the collar 4052 when sleeved, and the bolt 4055 and the socket 4011 are accurately aligned.

[0054] It is worth mentioning that a round block A4053 is fixedly provided on the inner side of the cover plate 4051, and a round block B4054 is fixedly provided on the inner side of the round block A4053; wherein, the round block A4053 and the round block B4054 are inserted and matched with the inner cavity of the head end of the connecting tube 401, and the outer ring wall of the round block B4054 is in contact and matched with the inner cavity wall of the head end of the connecting tube 401; wherein, the diameter of the round block A4053 is smaller than the diameter of the round block B4054.

[0055] The utility model has the advantage of strengthening the sealing of the head end of the connecting pipe 401 by arranging the round block A4053 and the round block B4054, so that the sealing effect of the head end of the connecting pipe 401 is better.

[0056] It is worth noting that the outer ring wall of the round block A4053 is sleeved with an annular spring piece 4056, and the outer ring of the annular spring piece 4056 is sleeved with a sealing ring 4057; wherein, the cross-section of the annular spring piece 4056 adopts an arc-shaped structure design, and the arched ends of the annular spring piece 4056 and the sealing ring 4057 are abutted and matched with the annular groove 4012 opened on the inner cavity wall of the head end of the connecting tube 401.

[0057] The utility model has the advantages of further strengthening the sealing of the head end of the connecting pipe 401 by providing the annular spring piece 4056, the sealing ring 4057 and the annular groove 4012, and positioning the sleeved ring 4052 by the abutment of the arched ends of the annular spring piece 4056 and the sealing ring 4057 with the annular groove 4012, thereby facilitating the fixing of the ring 4052.

[0058] Working principle: When using the device of the utility model, the water pipe 5 is connected to the ground water pumping device, and the material enters the crushing box 1 from the feed channel 2 for crushing; the water pumped into the water pipe 5 enters the connecting pipe 401 and then sprayed outward in an inclined manner from the atomizing nozzle 404, and the coal dust removed from the feed channel 2 is adsorbed and precipitated by the atomized water droplets, thereby reducing the coal dust content in the air.

[0059] When cleaning the inner cavity of the connecting pipe 401, loosen and remove the bolt 4055, pull off the cover plate 4051 and the collar 4052, remove the round block A4053 and the round block B4054 from the inner cavity of the first end of the connecting pipe 401, and the annular spring piece 4056 and the sealing ring 4057 are squeezed and bent to come out from the annular groove 4012. The water pumped from the water pipe 5 enters the connecting pipe 401 and is flushed and then sprayed out from the opening at the first end of the connecting pipe 401. After cleaning the inner cavity of the connecting pipe 401, the collar 4052 is sleeved on the first end of the connecting pipe 401, the plug 4058 is correspondingly inserted into the slot 4059, and the collar 4052 is pushed in until the cover plate 4051 contacts the first end of the connecting pipe 401. When the annular spring piece 4056 and the sealing ring 4057 are pushed in, they are squeezed and bent until the corresponding annular groove 4012 rebounds and engages, and the inner end of the bolt 4055 is screwed into the socket 4011 to be fixed, and then continue to use.

[0060] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A new type of coal crushing device for coal preparation, comprising a crushing box (1), wherein a feed channel (2) is fixedly provided at the inlet end of the crushing box (1), characterized in that: Also includes: Two transverse plates (3) are symmetrically fixed on both sides of the feed channel (2); Two dust removal structures (4) are respectively arranged on the two horizontal plates (3); The dust removal structure (4) comprises: A connecting pipe (401), the bottom end of which is fixed on the horizontal plate (3) via a plurality of support frames (402); Wherein, the end of the connecting pipe (401) is connected to a water pipe (5) via a joint (403); A plurality of atomizing nozzles (404) are fixedly mounted on the connecting pipe (401) at equal intervals; The plugging assembly (405) is fixedly mounted on the head end of the connecting pipe (401).

2. A new type of coal crushing device for coal preparation as claimed in claim 1, characterized in that: A plurality of atomizing nozzles (404) are arranged on the connecting pipe (401) in an outwardly inclined manner.

3. A new type of coal crushing device for coal preparation as claimed in claim 1, characterized in that: The blocking component (405) comprises: A cover plate (4051) is disposed at the head end of the connecting pipe (401); A collar (4052) is fixedly mounted on the inner side of the cover plate (4051); Wherein, the collar (4052) is sleeved on the head end of the connecting pipe (401); Among them, three bolts (4055) are threadedly penetrated in a circular array on the collar (4052), and the inner ends of the three bolts (4055) are respectively plugged into three insertion holes (4011) opened in a circular array on the outer ring wall of the head end of the connecting pipe (401).

4. A new type of coal crushing device for coal preparation as claimed in claim 3, characterized in that: The inner wall of the collar (4052) is symmetrically provided with two slots (4059), and the outer wall of the head end of the connecting pipe (401) is symmetrically provided with two plug-in blocks (4058), and the plug-in blocks (4058) are inserted and matched with the slots (4059); The two insert blocks (4058) and the three bolts (4055) are staggered.

5. A new type of coal crushing device for coal preparation as claimed in claim 3, characterized in that: A round block A (4053) is fixedly disposed on the inner side of the cover plate (4051), and a round block B (4054) is fixedly disposed on the inner side of the round block A (4053); The round block A (4053) and the round block B (4054) are inserted and matched with the inner cavity of the head end of the connecting tube (401), and the outer ring wall of the round block B (4054) is in contact and matched with the inner cavity wall of the head end of the connecting tube (401); The diameter of the circular block A (4053) is smaller than the diameter of the circular block B (4054).

6. A new type of coal crushing device for coal preparation as claimed in claim 5, characterized in that: The outer ring wall of the round block A (4053) is sleeved with an annular spring piece (4056), and the outer ring of the annular spring piece (4056) is sleeved with a sealing ring (4057); The cross section of the annular spring piece (4056) is designed with an arc-shaped structure, and the arched ends of the annular spring piece (4056) and the sealing ring (4057) are in abutment with the annular groove (4012) provided on the inner cavity wall of the head end of the connecting pipe (401).

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