CN114353248A - Fresh air dust-proof protection device and equipment - Google Patents
Fresh air dust-proof protection device and equipment Download PDFInfo
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- CN114353248A CN114353248A CN202111582628.3A CN202111582628A CN114353248A CN 114353248 A CN114353248 A CN 114353248A CN 202111582628 A CN202111582628 A CN 202111582628A CN 114353248 A CN114353248 A CN 114353248A
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Abstract
The invention discloses a fresh air dust-separation protection device and equipment, wherein the fresh air dust-separation protection device comprises a top plate, a plurality of air outlet stand columns and a fresh air assembly, the peripheral edge of the top plate is provided with a dust suction port extending along the circumferential direction of the top plate, the top plate is provided with a top air outlet which penetrates through the top plate along the thickness direction of the top plate, the top air outlet is suitable for blowing airflow to the lower part of the top plate, the air outlet upright post is vertically arranged, the upper ends of the air outlet upright posts are connected with the top plate and are arranged at intervals in the circumferential direction of the top plate, the air outlet upright posts and the top plate can enclose a standing space of a human body, the air outlet upright posts are provided with vertical air outlets extending along the length direction of the air outlet upright posts, the vertical air outlets can blow air flow to form an air curtain surrounding the standing space of the human body, the fresh air component is arranged on the top plate, and the air suction opening of the fresh air component is communicated with the dust suction opening, and the air outlet of the fresh air component is communicated with the top air outlet and the vertical air outlet. The fresh air dust-isolating protection device disclosed by the invention adopts a mode of combining dust collection and air curtain isolation, realizes double protection and has a good dust-isolating effect.
Description
Technical Field
The invention relates to the technical field of dust removing equipment, in particular to a fresh air dust-separation protection device and equipment.
Background
The mechanical and intelligent development of underground coal mines is rapid day by day, the reduction of the number of underground operators, the reduction of labor intensity and the reduction of people and efficiency improvement become a great trend, but the current development level cannot realize the complete unmanned underground coal mine and still needs a small amount of workers for operation and construction. Coal dust is one of five disasters of a mine, so that potential safety hazards such as deflagration and sight obstruction exist in mining production, serious health threats such as occupational diseases such as pneumoconiosis exist on underground operators, and therefore how to create a dust-free and healthy working environment for underground coal mine workers in a coal dust environment becomes one of the problems which need to be solved urgently at present.
The common dust removal modes in the underground coal mine can be divided into a wet dust removal mode and a dry dust removal mode, wherein the air curtain isolation mode in the dry dust removal mode can manufacture a part of dust-free areas by combining strong air flow and a pressure difference principle, and the dust-free areas can be well protected for operators.
However, when the operator has a large concentration of external coal dust or eddy current due to the movement of the operator, the dry dust removal method in the related art has a poor dust separation effect.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a fresh air dust-separation protection device aiming at the defects and shortcomings of the prior art, wherein the fresh air dust-separation protection device adopts a mode of separating and combining dust collection and an air curtain, so that double protection is realized, and the dust-separation effect is good.
The embodiment of the invention also provides equipment.
The fresh air dust-proof protection device of the embodiment of the invention comprises: the dust collection device comprises a top plate, a dust collection hole and a dust collection cover, wherein the dust collection hole extends along the circumferential direction of the top plate, the top plate is provided with a top air outlet penetrating through the top plate along the thickness direction of the top plate, and the top air outlet is suitable for blowing airflow below the top plate; the air outlet upright posts are vertically arranged, the upper ends of the air outlet upright posts are connected with the top plate and are arranged at intervals in the circumferential direction of the top plate, the air outlet upright posts and the top plate can enclose a human body standing space, the air outlet upright posts are provided with vertical air outlets extending along the length direction of the air outlet upright posts, and the vertical air outlets can blow air flow to form an air curtain surrounding the human body standing space; the new trend subassembly, the new trend subassembly is located on the roof, just the inlet scoop of new trend subassembly with the dust absorption mouth intercommunication, the air exit of new trend subassembly with the top air outlet with vertical air outlet all communicates.
According to the fresh air dust-separation protection device, the dust suction port extending along the circumferential direction of the top plate is arranged on the peripheral edge of the top plate, the top air outlet is arranged on the top plate, the vertical air outlets are arranged on the air outlet stand columns connected to the top plate, the air suction port of the fresh air assembly is communicated with the dust suction port, the air exhaust port of the fresh air assembly is communicated with the top air outlet and the vertical air outlets, the fresh air assembly can absorb coal dust in the region where the head of a human body is located through the dust suction port, the vertical air outlets of the air outlet stand columns can form a circumferentially closed air curtain, the dust suction port and the vertical air outlets can achieve the combination of dust suction and airflow dust separation, double protection is achieved, the dust separation effect is improved, the top air outlet can provide fresh air for the human body, and the safety of long-term operation of operators is guaranteed.
In some embodiments, each of the air outlet columns includes two of the vertical air outlets, and the two vertical air outlets are respectively located at two sides of the air outlet column in the arrangement direction of the air outlet columns.
In some embodiments, an angle between the opening direction of the vertical air outlet and the first direction is a, and then 10 ° or less than or equal to a or less than or equal to 45 °, and the first direction is an arrangement direction of the adjacent air outlet posts.
In some embodiments, the air outlet pillar further includes an air deflector connected to the vertical air outlet and extending along the opening direction of the vertical air outlet.
In some embodiments, the fresh air dust-separation protection device further comprises a turbulence cover, the turbulence cover is provided with a cavity, the bottom of the cavity is provided with an open opening, the turbulence cover is connected to the top surface of the top plate, the open opening is opposite to and communicated with the top air outlet, the top of the cavity is provided with an air inlet, the air outlet is communicated with the air inlet, and the sectional area of the cavity is gradually increased along the direction from the air inlet to the open opening.
In some embodiments, the spoiler cover includes a cover plate and a plurality of connected side plates, the cover plate has the air inlet, the plurality of side plates are connected with a bottom surface of the cover plate to enclose the chamber, and the side plates extend obliquely outward in a direction away from the cover plate.
In some embodiments, the dust suction openings are open obliquely downward, and an angle γ between the dust suction opening direction and the vertical direction is 10 ° or less and 45 ° or less.
In some embodiments, the fresh air component comprises a fan and a filter box, the fan can absorb coal dust through the dust absorption opening, the fan can blow air through the top air removal opening and the vertical air outlet, and the filter box can filter the air containing the coal dust sucked through the dust absorption opening.
In some embodiments, the fresh air component further includes an air pressure sensor and an air quantity intelligent adjusting system, the air pressure sensor is connected with the air quantity intelligent adjusting system, the air pressure sensor can detect the air quantity of the roadway, and the air quantity intelligent adjusting system can control the air outlet air quantities of the vertical air outlet and the top air outlet and the dust collection air quantity of the dust collection opening according to the detection information of the air pressure sensor.
The equipment of the embodiment of the invention comprises any one of the fresh air dust-proof protection devices.
The device provided by the embodiment of the invention has the advantages of good dust insulation effect, good operation environment and high safety by adopting the fresh air dust insulation protection device.
Drawings
Fig. 1 is a schematic structural diagram of a fresh air dust-proof protection device according to an embodiment of the invention.
Fig. 2 is a bottom view of the fresh air dust-proof protection device according to the embodiment of the invention.
Fig. 3 is a schematic airflow flow diagram of a fresh air dust-separation protection device according to an embodiment of the invention.
Fig. 4 is a schematic view of turbulence flow of a turbulence flow cover of a fresh air dust-separation protection device according to an embodiment of the invention.
Reference numerals:
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 to 4, the fresh air dust-separation protection device according to the embodiment of the present invention includes a top plate 1, a plurality of air outlet pillars 2, and a fresh air assembly 3. It should be noted that in the coal mine operation process, a working face has a lot of coal dust, and the fresh air dust-separation protection device of the application can separate the coal dust, provides a dust-free space allowing an operator to stand, and is suitable for mining mechanical equipment such as an excavating and bolting machine, a continuous mining machine, an anchor rod machine, a shuttle car and the like.
Specifically, as shown in fig. 1 and fig. 2, the peripheral edge of the top plate 1 is provided with a dust suction port 11 extending along the circumferential direction of the top plate 1, the top plate 1 has a top air outlet 12 penetrating through the top plate 1 along the thickness direction of the top plate, the top air outlet 12 is suitable for blowing out an air flow below the top plate 1, the air outlet pillars 2 are vertically arranged, the upper ends of the air outlet pillars 2 are connected with the top plate 1 and are arranged at intervals in the circumferential direction of the top plate 1, the air outlet pillars 2 and the top plate 1 can enclose a human body standing space, the air outlet pillars 2 have vertical air outlets 21 extending along the length direction of the air outlet pillars 2, and the vertical air outlets 21 can blow out an air flow to form an air curtain surrounding the human body standing space.
It should be noted that, when a human body stands under the top plate 1, the dust suction port 11 can suck the air containing coal dust in the peripheral area of the top plate 1 to reduce the concentration of the coal dust in the area where the head of the human body is located (refer to fig. 3).
Further, a plurality of air outlet columns 2 surround the periphery of the standing space of the human body, and air flows blown out from the plurality of vertical air outlets 21 can be combined into a circumferentially closed air curtain to isolate external coal dust (refer to fig. 3). The top air outlet 12 blows air to the lower portion of the top plate 1, fresh air can be provided for operators, comfort of human bodies is guaranteed, and guarantee is provided for safety of long-term operation of the operators in a coal mine (refer to fig. 4).
Specifically, on new trend subassembly 3 located roof 1, and new trend subassembly 3's inlet scoop and dust absorption mouth 11 intercommunication, new trend subassembly 3's air exit and top air outlet 12 and vertical air outlet 21 all communicate. As shown in fig. 1, the new trend subassembly 3 is located on the up end of roof 1, new trend subassembly 3 still includes dust absorption pipeline 31, top exhaust pipe 32 and wind post exhaust pipe 33, the one end of dust absorption pipeline 31 and the inlet scoop intercommunication of new trend subassembly 3, the other end of dust absorption pipeline 31 passes roof 1 and communicates with dust absorption mouth 11, the one end of top exhaust pipe and the air exit intercommunication of new trend subassembly 3, the other end and top air outlet 12 intercommunication, air-out stand 2 is equipped with vertical air outlet 21 on hollow structure and the outer peripheral face of air-out stand 2, the one end of wind post exhaust pipe 33 and the air exit intercommunication of new trend subassembly 3, the other end and the cavity intercommunication of air-out stand 2, the air current in the cavity blows out through vertical air outlet 21.
It should be noted that the fresh air component 3 includes a fan and a filter box, the fan absorbs coal dust through the dust absorption port 11, then the filter box filters the absorbed air for coal dust, and the filtered air is blown out through the vertical air outlet 21 and the top air outlet 12 to form a circumferentially closed air curtain and supply fresh air to the standing space of the human body.
It should be noted that, although the related art has proposed to form a dust-separation protection device by using a high-speed airflow, the inventor found that, when an operator generates a vortex or has a high concentration of external coal dust due to the movement of the body, the external coal dust still diffuses into the protection area, and the actual dust-separation effect is not good.
And this application is through setting up dust absorption mouth 11, utilizes new trend subassembly 3 and dust absorption mouth 11 to carry out the dust absorption to the region at human head place, can be too big at the coal dust is dense, leads to circumference wind curtain protective capability at times, weakens the coal dust concentration through the mode of dust absorption, and dust absorption and air current separate dirt combine the use promptly, can form the duplicate protection effect, compensate the not enough of air current separate dirt, and simultaneously, dust absorption mouth 11 still possesses dust removal effect.
According to the fresh air dust-separation protection device, the dust suction port extending along the circumferential direction of the top plate is arranged on the peripheral edge of the top plate, the top air outlet is arranged on the top plate, the vertical air outlets are arranged on the air outlet stand columns connected to the top plate, the air suction port of the fresh air assembly is communicated with the dust suction port, the air exhaust port of the fresh air assembly is communicated with the top air outlet and the vertical air outlets, the fresh air assembly can absorb coal dust in the region where the head of a human body is located through the dust suction port, the vertical air outlets of the air outlet stand columns can form a circumferentially closed air curtain, the dust suction port and the vertical air outlets can achieve the combination of dust suction and airflow dust separation, double protection is achieved, the dust separation effect is improved, the top air outlet can provide fresh air for the human body, and the safety of long-term operation of operators is guaranteed.
Further, as shown in fig. 1 and 2, each air outlet pillar 2 includes two vertical air outlets 21, and the two vertical air outlets 21 are respectively located on two sides of the air outlet pillar 2 in the arrangement direction of the air outlet pillars 2. From this, relative vertical air outlet 21 can blow relatively on two adjacent air-out stands 2, compares in the one-way air curtain that single air outlet air-out formed, does not have the not enough problem of air curtain afterbody protection.
Further, as shown in fig. 2, an included angle between the opening direction of the vertical air outlets 21 and the first direction is a, and the first direction is the arrangement direction of the adjacent air outlet pillars 2, where a is not more than 10 ° and not more than 45 °. In other words, the vertical air outlets 21 are inclined outward to blow air, and the inclination angle is between 10 ° and 45 °, so that a reliable protective air curtain can be formed, and a larger dust-free space can be enclosed. Preferably, a is equal to 45 °.
Further, the air outlet pillar 2 further includes an air guiding plate, which is connected to the vertical air outlet 21 and extends along the opening direction of the vertical air outlet 21.
In some embodiments, as shown in fig. 1, 2 and 4, the fresh air dust-separation protection device further includes a flow-disturbing cover 4, the flow-disturbing cover 4 has a cavity, the bottom of the cavity has an open opening, the flow-disturbing cover 4 is connected to the top surface of the top plate 1, the open opening is opposite to and communicated with the top air outlet 12, the top of the cavity has an air inlet, the air outlet is communicated with the air inlet, and the sectional area of the cavity gradually increases along the direction from the air inlet to the open opening.
Specifically, as shown in fig. 1, the spoiler cover 4 includes a cover plate and a plurality of connected side plates, the cover plate has an air inlet, the plurality of side plates are connected with the bottom surface of the cover plate to form a chamber, and the side plates extend obliquely outward along a direction away from the cover plate.
From this, new trend subassembly 3 can flow downwards to the partly of air current that the air intake blew out to form new trend air current, for operating personnel provides fresh air, the inner wall slope downflow of curb plate can be followed to another part air current to form the loss air current in the vortex cover 4 outside, thereby supply the upper portion amount of wind of vertical air outlet 21, avoid the wind curtain intensity that the upper portion of vertical air outlet 21 formed not enough (refer to fig. 4). And the air current that flows downwards aslant can also form a fan housing covering the head of the human body, so that external coal dust is further isolated from entering the space where the head of the human body is located.
Furthermore, new trend dust protection device still includes explosion-proof box, and explosion-proof box is connected with roof 1, and new trend subassembly 3 is located in the explosion-proof box.
Further, the fresh air module 3 further comprises an air pressure sensor (not shown) and an air volume intelligent adjusting system (not shown), the air pressure sensor is connected with the air volume intelligent adjusting system, the air pressure sensor can detect the air volume of the roadway, and the air volume intelligent adjusting system can control the air volume of the air outlet of the vertical air outlet 21 and the top air outlet 12 and the air volume of the dust suction port 11 according to the detection information of the air pressure sensor. In other words, baroceptor and air volume intelligent system can adjust the running state of new trend subassembly 3 according to the actual environment in tunnel to make new trend dust-proof protection device can adapt to the environment of different coal dust concentrations, improve new trend dust-proof protection device's commonality.
In some embodiments, as shown in fig. 1, the dust suction openings 11 are open obliquely downward, and an angle γ between an opening direction of the dust suction openings 11 and a vertical direction is 10 ° or less and 45 ° or less. It should be noted that the effective range of the dust suction port 11 of the present application is generally between 20cm and 30cm, and the dust suction port 11 disposed obliquely downward can effectively suck dust in the region of the head of the human body. Preferably, γ is 45 °.
The equipment comprises the fresh air dust-proof protection device.
The fresh air dust-proof protection device has the advantages of good dust-proof effect, good operation environment and high safety.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. The utility model provides a new trend dust protection device which characterized in that includes:
the dust collection device comprises a top plate, a dust collection hole and a dust collection cover, wherein the dust collection hole extends along the circumferential direction of the top plate, the top plate is provided with a top air outlet penetrating through the top plate along the thickness direction of the top plate, and the top air outlet is suitable for blowing airflow below the top plate;
the air outlet upright posts are vertically arranged, the upper ends of the air outlet upright posts are connected with the top plate and are arranged at intervals in the circumferential direction of the top plate, the air outlet upright posts and the top plate can enclose a human body standing space, the air outlet upright posts are provided with vertical air outlets extending along the length direction of the air outlet upright posts, and the vertical air outlets can blow air flow to form an air curtain surrounding the human body standing space;
the new trend subassembly, the new trend subassembly is located on the roof, just the inlet scoop of new trend subassembly with the dust absorption mouth intercommunication, the air exit of new trend subassembly with the top air outlet with vertical air outlet all communicates.
2. The fresh air dust-separation protection device as claimed in claim 1, wherein each of the air outlet columns includes two of the vertical air outlets, and the two vertical air outlets are respectively located at two sides of the air outlet column in the arrangement direction of the air outlet columns.
3. The fresh air dust-separation protection device according to claim 2, wherein an angle between the opening direction of the vertical air outlets and the first direction is a, and then 10 ° or less than or equal to a or less than or equal to 45 °, and the first direction is an arrangement direction of the adjacent air outlet pillars.
4. The fresh air dust-separation protection device as claimed in claim 2, wherein the air outlet column further comprises an air deflector, and the air deflector is connected to the vertical air outlet and extends along the opening direction of the vertical air outlet.
5. The fresh air dust-separation protection device as claimed in claim 1, further comprising a flow-disturbing cover having a cavity, wherein the bottom of the cavity has an open mouth, the flow-disturbing cover is connected to the top surface of the top plate, the open mouth is opposite to and communicated with the top air outlet, the top of the cavity has an air inlet, the air outlet is communicated with the air inlet, and the cross-sectional area of the cavity is gradually increased along the direction from the air inlet to the open mouth.
6. The fresh air dust-separation protection device as claimed in claim 5, wherein the spoiler cover comprises a cover plate and a plurality of connected side plates, the cover plate has the air inlet, the plurality of side plates are connected with the bottom surface of the cover plate to form the chamber, and the side plates extend obliquely outward in a direction away from the cover plate.
7. The fresh air dust-separation protection device according to any one of claims 1 to 6, wherein the dust suction openings are opened obliquely downward, and an included angle γ between the opening direction of the dust suction openings and the vertical direction is 10 ° or less and 45 ° or less.
8. The fresh air dust-separation protection device as claimed in any one of claims 1 to 6, wherein the fresh air component comprises a fan and a filter box, the fan can absorb coal dust through the dust absorption opening, the fan can blow air through the top air removal opening and the vertical air outlet, and the filter box can filter the air containing the coal dust sucked through the dust absorption opening.
9. The fresh air dust-separation protection device according to claim 8, wherein the fresh air assembly further comprises an air pressure sensor and an intelligent air volume adjusting system, the air pressure sensor is connected with the intelligent air volume adjusting system, the air pressure sensor can detect the air volume of a roadway, and the intelligent air volume adjusting system can control the air volume of the vertical air outlet and the air volume of the top air outlet and the air volume of the dust suction opening according to the detection information of the air pressure sensor.
10. An apparatus, characterized in that it comprises a fresh air dust-proof protection device according to any one of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111582628.3A CN114353248B (en) | 2021-12-22 | 2021-12-22 | Fresh air dust-proof protection device and equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111582628.3A CN114353248B (en) | 2021-12-22 | 2021-12-22 | Fresh air dust-proof protection device and equipment |
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| CN114353248A true CN114353248A (en) | 2022-04-15 |
| CN114353248B CN114353248B (en) | 2023-07-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115253536A (en) * | 2022-04-18 | 2022-11-01 | 陕煤集团神木红柳林矿业有限公司 | Preparation method of dust-free space under mine |
| CN117122995A (en) * | 2023-10-20 | 2023-11-28 | 山东耀华鲁信节能投资有限公司 | Dedusting filter bag |
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| CN111102675A (en) * | 2020-02-28 | 2020-05-05 | 卓宇轩 | Air supply column for dust control device and dust control device with same |
| CN111271806A (en) * | 2020-02-14 | 2020-06-12 | 东南大学 | Local exhaust device based on cyclone air curtain and control system thereof |
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| CN115253536A (en) * | 2022-04-18 | 2022-11-01 | 陕煤集团神木红柳林矿业有限公司 | Preparation method of dust-free space under mine |
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| CN117122995B (en) * | 2023-10-20 | 2024-01-12 | 山东耀华鲁信节能投资有限公司 | Dedusting filter bag |
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| CN114353248B (en) | 2023-07-18 |
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