CN209942867U - Airborne dry type dust removal system for strip mine mining equipment - Google Patents

Airborne dry type dust removal system for strip mine mining equipment Download PDF

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Publication number
CN209942867U
CN209942867U CN201920487220.XU CN201920487220U CN209942867U CN 209942867 U CN209942867 U CN 209942867U CN 201920487220 U CN201920487220 U CN 201920487220U CN 209942867 U CN209942867 U CN 209942867U
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dust
coal
cutting
air
plate
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朱阳阳
赵立峰
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SHANGHAI CHUANGLI GROUP CO Ltd
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SHANGHAI CHUANGLI GROUP CO Ltd
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Abstract

The utility model discloses a strip mine exploitation is equipped with machine carries dry dust pelletizing system, strip mine exploitation is equipped including fuselage portion, cutting units, shovel board and chute transportation portion, and wherein, machine carries dry dust pelletizing system includes: a pair of dust sealing plates which are arranged at two sides of the cutting part and enclose a semi-closed space with the cutting part and the shovel plate part; the coal breaking plate is arranged in the middle of the upper part of the cutting part and is provided with an inclined coal plate which is inclined downwards to the chute conveying part; two sets of suction and purification devices which are arranged on the fuselage part and are positioned at the two sides of the coal breaking plate and used for sucking and purifying dust-containing gas generated during coal mining and cutting; a coal slide plate which is arranged at the upper part of each set of the suction purification device and is used for sliding the coal blocks falling on the suction purification device into the chute conveying part. The utility model discloses an airborne dry-type dust pelletizing system is applicable to the mining area exploitation that the water resource lacks the area or can't utilize water resource area, can equip the produced dust-containing gas of cutting units cutting coal wall with opencut mining in time siphons away and purify, improves dust collection efficiency and conveying efficiency.

Description

Airborne dry type dust removal system for strip mine mining equipment
Technical Field
The utility model relates to a mining machinery equipment technical field especially relates to a hydraulic tank that is used for adaptable extremely cold environment of relevant equipment such as continuous miner, entry driving machine.
Background
At present, when strip mine mining equipment is used for mining operation, a large amount of dust is generated in cutting and loading transportation processes. According to the statistics of the China coal industry Association, 72 million cumulative pneumoconiosis diseases are generated in China, 62% of the pneumoconiosis diseases are originated from coal mines, and the dust pollution of coal mines seriously influences the physical and mental health and social harmony of workers, so that the existing strip mine mining equipment is generally provided with a dust removal system.
However, the wet dust removal system is generally used at present, and has low dust removal efficiency, high energy consumption, serious secondary water pollution and large water resource requirement. However, in some open-pit mining areas in China, such as western coal mining areas, the problems of dry environment and easy dust generation during mining exist, and in addition, the areas are generally lack of water resources and cannot normally use water resources particularly under extremely cold conditions, so that how to develop a dust removal system suitable for open-pit mining equipment under the conditions is a difficult problem which needs to be solved urgently by related research and development personnel.
Disclosure of Invention
The utility model aims at providing a strip mine exploitation is equipped with machine carries dry-type dust pelletizing system.
In order to realize the above object of the utility model, the utility model provides a strip mine mining is equipped with machine carries dry-type dust pelletizing system, and strip mine mining is equipped including fuselage portion, the cutting units that is located fuselage portion front end upper portion, the shovel board that is located fuselage portion front end lower part and the chute transportation portion that is located fuselage portion, wherein, machine carries dry-type dust pelletizing system to include: the pair of dust sealing plates are arranged on two sides of the cutting part and enclose a semi-closed space which is used for preventing dust generated by coal mining and cutting of the cutting part from leaking outwards with the cutting part and the shovel plate part; the coal breaking plate is arranged in the middle of the upper part of the cutting part and is used for breaking coal blocks falling on the cutting part, and the coal breaking plate is provided with an inclined coal plate which is inclined downwards to the chute conveying part; two sets of suction and purification devices which are arranged on the machine body part and are positioned at two sides of the coal breaking plate and used for sucking and purifying dust-containing gas generated during coal mining and cutting; and the coal sliding plate is arranged at the upper part of each set of suction purification device and used for sliding the coal blocks falling on the suction purification device into the chute conveying part.
Wherein the suction purification device comprises: the air suction device is arranged at the upper part of the cutting part and moves along with the cutting part, and a plurality of air inlets for sucking the dust-containing gas are formed in the air suction device; a dust collector installed at an upper portion of the body part for purifying the dust-containing gas; the air suction device and the dust remover are hinged into a whole and are hermetically communicated; and the centrifugal fan is arranged on the upper part of the machine body part and is communicated with the dust remover.
Preferably, the hinge device includes: a connecting plate mounted at the front end of the dust collector and provided with a pair of ear plates; the connecting lug is arranged at the rear end of the air suction device and is hinged with the pair of ear plates; the sealing sleeve is sleeved at the front end of the dust remover and the rear end of the air suction device and is used for sealing the joint of the dust remover and the air suction device.
Preferably, the sealing sleeve is a sealing sleeve with elasticity.
Wherein, the chute transport part is positioned between the two sets of suction purification devices.
Wherein, a pair of coal sliding plates arranged on the two sets of suction purification devices are provided with inclined plates which incline downwards towards the chute transportation part and extend out in opposite directions.
The air suction device comprises a plurality of air inlets, wherein the plurality of air inlets comprise an upper front air inlet positioned at the upper part of the front end of the air suction device and an upper side air inlet positioned at the side wall of the upper part of the air suction device.
Furthermore, the plurality of air inlets of the air suction device also comprise a lower main air inlet positioned at the lower part of the air suction device and a lower front air inlet positioned at the lower part of the front end of the air suction device.
Compared with the prior art, the utility model discloses strip mine exploitation is equipped with machine carries dry-type dust pelletizing system has following advantage:
the airborne dry-type dust removal system of this embodiment is applicable to the mining area exploitation in the area that the water resource lacks or can't utilize water resource area, can equip the mining of strip mine and in time absorb away and purify the produced dust-containing gas of cutting units cutting coal wall, improves dust collection efficiency, has realized the gaseous minimum emission of dust, reduces environmental pollution, and the very big physical injury that leads to the fact the operating personnel that reduces just improves transport efficiency.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of an onboard dry dust removal system for surface mining equipment according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a suction purification device according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1, the embodiment of the present invention provides a schematic structural diagram of an airborne dry dust removal system for strip mine mining equipment. The onboard dry-type dust removal system of the embodiment is used for strip mining equipment, and the strip mining equipment comprises a fuselage part, a cutting part 1 positioned at the upper part of the front end of the fuselage part, a shovel plate part 9 positioned at the lower part of the front end of the fuselage part and a chute transportation part 10 positioned on the fuselage part. As can be seen from fig. 1, the airborne dry dust removal system of the present embodiment includes: a pair of dust sealing plates 8 which are arranged at two sides of the cutting part 1 and enclose a semi-closed space with the cutting part 1 and the shovel plate part 9 for preventing dust generated by coal mining and cutting of the cutting part 1 from leaking; the coal breaking plate 2 is arranged in the middle of the upper part of the cutting part 1 and is used for breaking coal blocks falling on the coal breaking plate, and the coal breaking plate 21 is provided with an inclined coal plate 21 which inclines downwards to the chute conveying part 10; two sets of suction and purification devices which are arranged on the fuselage part and are positioned at the two sides of the coal breaking plate 2 and are used for sucking and purifying dust-containing gas generated during coal mining and cutting; a coal slide 4 arranged at the upper part of each set of the suction purification device and used for sliding the coal blocks falling on the suction purification device into the chute conveying part 10.
The airborne dry-type dust removal system of this embodiment is installed on the fuselage portion that open pit mining was equipped, is a modularization integrated dry-type dust removal system that carries, and it is nimble convenient to mobilize, and it can enclose into anterior, lower part open-ended semi-enclosed space with cutting unit 1, shovel board portion 9 through installing a pair of dust sealing plate 8 in cutting unit 1 both sides to the dust that produces leaks outward when preventing cutting unit 1 coal mining cutting, effectively guarantees dust removal effect. And the gas containing dust generated during coal mining and cutting is sucked away and purified in time through the two sets of suction and purification devices, so that the dust removal efficiency is improved, the ultralow emission of dust gas can be realized, the pollution to the environment is greatly reduced, and the physical injury of operators caused by the suction of a large amount of dust gas is also reduced. In addition, the coal breaking plate can break the coal blocks falling on the coal breaking plate, and the broken coal blocks are conveyed to the chute conveying part 10 by inclining the coal breaking plate, so that the conveying efficiency is improved; the coal slide plate 4 arranged on the upper part of each set of the suction purification device can enable the coal blocks falling on the suction purification device to slide into the chute transportation part 10, thereby not only improving the conveying efficiency of the coal blocks, but also effectively preventing the coal blocks from being accumulated on the upper part of the suction purification device.
It should be noted that the terms of orientation, such as up, down, left, right, front, rear, etc., are used herein with respect to the surface mining equipment in the forward position shown in fig. 1, i.e., the cutting unit is located forward in the forward direction, the chute transport unit is located rearward, and the left and right sides in the forward direction of the surface mining equipment are right.
Wherein, this embodiment machine carries dry-type dust pelletizing system and installs on the fuselage portion upper portion that open-pit mining equipped, be provided with running gear in fuselage portion bottom, whole continuous miner removes the operation under running gear's drive, be provided with cutting unit 1 in fuselage portion front end upper portion, be provided with shovel board 9 in fuselage portion front end lower part, be provided with chute transport portion 10 in fuselage portion middle part and rear portion, open-pit mining is equipped when the construction, cut the coal wall through cutting unit, load the coal wall that cutting unit cut and carry it on chute transport portion 10 through shovel board portion, so that in time carry away the coal through chute transport portion 10.
Broken coal board 2 is installed in 1 upper portion intermediate position of cutting part, and broken coal board 2 top is covered with wedge steel nail, and the bold coal that the coal wall dropped strikes with wedge steel nail under the action of gravity, can carry out the breakage with the bold coal piece that the coal wall dropped, then slides into in chute transport portion 10 through its slope coal board syncline rear.
When the cutting part cuts the coal wall, the gas containing dust generated during coal cutting is timely sucked away and purified by the two sets of suction and purification devices positioned at the left side and the right side of the machine body part, and the suction and purification devices of the embodiment can adopt the structure as shown in fig. 1 and comprise: an air suction device 3 which is arranged at the upper part of the cutting part 1 and moves along with the cutting part 1 and is provided with a plurality of air inlets for sucking dust-containing gas; a dust collector 6 installed at the upper part of the body part for purifying the dust-containing gas; the air suction device 3 and the dust remover 6 are hinged into a whole and are hermetically communicated with each other by a hinge device 7; and a centrifugal fan 5 which is arranged at the upper part of the machine body part and is communicated with the dust remover 6.
The hinge device 7 of the present embodiment may adopt the following structure, including: a connecting plate installed at the front end of the dust collector 6 and having a pair of ear plates; a connecting lug which is arranged at the rear end of the air suction device 3 and is hinged with the pair of ear plates; a sealing sleeve (not shown in the figure) sleeved at the front end of the dust remover 6 and the rear end of the air suction device 3 and used for sealing the joint of the dust remover and the air suction device. During manufacturing, the sealing sleeve is made of elastic materials, such as rubber, so that after the front end of the dust remover 6 is hinged with the rear end of the air suction device 3, when the air suction device 3 moves along with the cutting part 1, the sealing sleeve can stretch and retract correspondingly, the connection part of the dust remover 6 and the air suction device 3 is ensured to be sealed, and dust gas flowing to the dust remover from the air suction device 3 is prevented from leaking.
When the air suction device 3 is connected with the dust remover 6 through the hinge device 7, the other end of the sealing sleeve covers the connecting plate and seals and fixes the periphery of the opening at the front end of the shell of the dust remover 6. The opening of the sealing sleeve is sealed and fixed with the air suction device or the dust remover, and the sealing sleeve can adopt a sticking mode and other modes in the prior art.
Wherein, the chute transport portion 10 of this embodiment is located between two sets of suction purification device, and a pair of coal sliding plate 4 installed on the upper portion of two sets of suction purification device has the inclined plate 41 that inclines downwards and stretches out in opposite directions towards the chute transport portion 10, and the contained angle of inclined plate 41 and vertical direction is greater than 0 degree, less than 90 degrees, preferably is greater than 15 degrees, and during the design, the lower extreme of inclined plate 41 extends to the top of chute transport portion 10 and is suitable. When the coal blocks fall onto the coal sliding plate 4 and are stacked, the coal blocks can slide downwards into the chute conveying part 10 along the inclined plate of the coal sliding plate 4 under the action of the self weight of the coal blocks, and the upper part of the dust remover 6 is ensured to have no coal blocks stacked.
The air suction device 3 of the present embodiment has an air suction duct installed on the upper portion of the machine body, the front end of the air suction duct extends above the cutting unit 1, and the front portion of the air suction duct is provided with a plurality of air inlets, so as to suck away the dust-containing gas generated during the cutting operation of the cutting unit 1 in time. The air suction pipeline comprises an upper part exposed above the dust sealing plate and a lower part hidden below the upper surfaces of the dust sealing plate and the coal breaking plate along the horizontal direction, and the positions of a plurality of air inlets arranged on the air suction pipeline are shown in figure 2 and comprise: an upper front air inlet 31 positioned at the upper part of the front end of the air suction pipeline, an upper side air inlet 32 positioned at the side wall of the upper part of the front end, a lower main air inlet 34 positioned at the lower part of the front end and a lower front air inlet 33 positioned at the lower part of the front end. Wherein, the upper side air inlet 32 is opened at one side of the air suction pipes facing the coal breaking plate 2, that is, the upper side air inlets 32 on the two air suction pipes are oppositely arranged, and the upper front air inlet 31 and the upper side air inlet 32 are arranged at the upper part of the air suction pipes exposed above the dust sealing plate. The lower main air inlet 34 and the lower forward air inlet 33 are arranged at the lower part hidden below the upper surfaces of the dust sealing plate and the coal breaking plate, and the lower main air inlet 34 and the lower forward air inlet 33 also face the cutting part 1.
Through set up a plurality of air intakes respectively on two devices 3 that induced draft for the upper and lower, left and right all directions of cutting unit cylinder all have the air intake, and the gaseous dust-laden that produces of each dust production point can in time be siphoned away from the multiaspect when guaranteeing cutting unit cutting, improves dust collection efficiency. And the device 3 that induced drafts can be along with the linkage of cutting unit 1, guarantees the promptness that each item cutting process removed dust, and the dust board 8 that seals is installed in cutting unit 1 both sides, forms relative enclosure space with cutting unit 1, shovel board 9, and the dust that produces when effectively preventing to cut leaks outward, and then guarantees dust collection efficiency. The dry type dust removal mode is adopted, the influences of low wet type dust removal efficiency, high energy consumption and serious secondary water pollution caused by water resource shortage, easiness in dust generation due to environment drying and incapability of normally using water under extremely cold conditions in western coal mine areas in China are avoided, and the dust removal efficiency of the whole system is further ensured. And the coal wall drops to the big coal on the coal breaking plate 2 and is impacted and broken by the wedge-shaped steel nail above the coal breaking plate 2, then slides into the chute transportation part 10 to the oblique rear through the inclined coal plate, and the coal dropping to the coal sliding plate 4 can slide into the chute transportation part 10 downwards along the inclined plate of the coal sliding plate 4, so that the coal can be timely conveyed out.
Next, the operation of the dust removing system of the present embodiment will be described.
The dust removing system of the embodiment is operated, the centrifugal fan 5 connected with the dust remover 6 is opened, under the negative pressure effect of the fan, air flow enters the air suction pipeline from the air ports of the air suction device 3, and passes through the hinge device hinged with the air suction pipeline to reach the dry type filter dust remover 6, and dust-containing gas generated by cutting and coal transportation at the front end of the continuous mining machine can enter the dust remover 6 along with the air flow and is collected. At this time, the dust-containing gas is controlled in front of the air suction device 3 and does not diffuse to the rear of the whole apparatus, the dust-containing gas is purified after entering the dust remover 6, and the purified clean air is discharged through the outlet of the centrifugal fan 5.
Compared with the prior art, the utility model discloses strip mine exploitation is equipped with machine carries dry-type dust pelletizing system has following advantage:
the airborne dry dust removal system of the embodiment can timely suck away and purify dust-containing gas generated by cutting the coal wall by the cutting part of the strip mine mining equipment, realizes ultralow emission of the dust-containing gas, reduces environmental pollution, and reduces physical damage to operators.
Although the present invention has been described in detail, the present invention is not limited thereto, and those skilled in the art can modify the principle of the present invention, and therefore, various modifications performed according to the principle of the present invention should be understood as falling into the protection scope of the present invention.

Claims (8)

1. The utility model provides a strip mine mining is equipped with machine carries dry dust pelletizing system, strip mine mining is equipped including fuselage portion, the cutting units that is located fuselage portion front end upper portion, be located the shovel board portion of fuselage portion front end lower part and be located the chute transportation portion in fuselage portion, its characterized in that, machine carries dry dust pelletizing system includes:
the pair of dust sealing plates are arranged on two sides of the cutting part and enclose a semi-closed space with the cutting part and the shovel plate part;
the coal breaking plate is arranged in the middle of the upper part of the cutting part and is provided with an inclined coal plate which is inclined downwards to the chute conveying part;
two sets of suction purification devices are arranged on the fuselage part and positioned at two sides of the coal breaking plate;
and the coal sliding plate is arranged at the upper part of each set of suction purification device and used for sliding the coal blocks falling on the suction purification device into the chute conveying part.
2. The on-board dry dedusting system of claim 1, wherein the suction cleaning device comprises:
the air suction device is arranged at the upper part of the cutting part and moves along with the cutting part, and a plurality of air inlets for sucking dust-containing gas are formed in the air suction device;
a dust collector installed at an upper portion of the body part for purifying the dust-containing gas;
the air suction device and the dust remover are hinged into a whole and are hermetically communicated;
and the centrifugal fan is arranged on the upper part of the machine body part and is communicated with the dust remover.
3. The on-board dry dedusting system of claim 2, wherein the articulation device comprises:
a connecting plate mounted at the front end of the dust collector and provided with a pair of ear plates;
the connecting lug is arranged at the rear end of the air suction device and is hinged with the pair of ear plates;
the sealing sleeve is sleeved at the front end of the dust remover and the rear end of the air suction device and is used for sealing the joint of the dust remover and the air suction device.
4. The airborne dry dust extraction system of claim 3, wherein the sealing boot is a resilient sealing boot.
5. An on-board dry dedusting system as claimed in any of claims 1-4 wherein the chute transport section is located between the two sets of suction cleaning devices.
6. The system of claim 5 wherein a pair of coal chutes mounted on two sets of suction cleaning devices have inclined plates that slope downwardly toward the chute transport section and project toward each other.
7. The system of claim 2, wherein the plurality of air intakes of the air draft device includes an upper front air intake at an upper portion of a front end thereof and an upper side air intake at an upper side wall thereof.
8. The system of claim 7, wherein the plurality of air intakes of the air draft device further comprises a lower main air intake at a lower portion thereof and a lower forward air intake at a lower portion of a front end thereof.
CN201920487220.XU 2019-04-11 2019-04-11 Airborne dry type dust removal system for strip mine mining equipment Active CN209942867U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920487220.XU CN209942867U (en) 2019-04-11 2019-04-11 Airborne dry type dust removal system for strip mine mining equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920487220.XU CN209942867U (en) 2019-04-11 2019-04-11 Airborne dry type dust removal system for strip mine mining equipment

Publications (1)

Publication Number Publication Date
CN209942867U true CN209942867U (en) 2020-01-14

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Application Number Title Priority Date Filing Date
CN201920487220.XU Active CN209942867U (en) 2019-04-11 2019-04-11 Airborne dry type dust removal system for strip mine mining equipment

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CN (1) CN209942867U (en)

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