CN111514675A - Filtering structure for ventilation of coal mine - Google Patents
Filtering structure for ventilation of coal mine Download PDFInfo
- Publication number
- CN111514675A CN111514675A CN202010382586.8A CN202010382586A CN111514675A CN 111514675 A CN111514675 A CN 111514675A CN 202010382586 A CN202010382586 A CN 202010382586A CN 111514675 A CN111514675 A CN 111514675A
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- Prior art keywords
- filter
- pipe
- suction
- filtering
- pipes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 66
- 239000003245 coal Substances 0.000 title claims abstract description 32
- 238000009423 ventilation Methods 0.000 title claims abstract description 31
- 239000002245 particle Substances 0.000 claims abstract description 15
- 239000000428 dust Substances 0.000 claims description 27
- 238000009825 accumulation Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2418—Honeycomb filters
- B01D46/2422—Mounting of the body within a housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
Abstract
The invention discloses a filtering structure for ventilation of coal mine, which forms a filtering channel through densely distributed filtering pipes with different sizes for filtering, thereby filtering impurity particles step by step and being not easy to block, and is characterized in that a suction hood is arranged on a fixed frame, the fixed frame is of a rectangular frame structure, a suction pipe is communicated with the suction hood, two ends of the fixed frame are respectively provided with a fixed plate, at least three No. three filtering pipes are positioned in the fixed frame and close to one side of the fixed frame, a No. three filtering channel is formed between the No. three filtering pipes, at least three No. two filtering pipes are positioned in the fixed frame and close to the middle part of fixed favour, a No. two filtering channel is formed between the No. two filtering pipes, at least three No. one filtering pipes are positioned in the fixed frame and close to the other side of the fixed frame, a No. one filtering channel is formed between the No. one filtering pipes, and the sectional area of the No. two filtering pipes is, the sectional area of the first filter pipe is smaller than that of the second filter pipe.
Description
Technical Field
The invention discloses a filtering structure for ventilation of a coal mine, relates to a filtering structure used on a dustproof ventilation device of the coal mine, and belongs to the field of coal mine equipment. In particular to a filter structure which filters impurity particles step by step and is not easy to block through a filter channel formed by densely distributed filter pipes with different sizes.
Background
At present, the colliery ventilation unit that prevents dust that has used can guarantee to provide fresh clean air for the mine underground, its filtration can filter the air of circulation, reduce the influence of solid dust under the mine, also can avoid the dust to get into the phenomenon that causes the laying dust to block up in the ventilation system to appear simultaneously, and the filtration that the ventilation unit that prevents dust in present colliery used, adopt simple filter screen form mostly, when this kind of filter screen structure filters, because the mesh number of filter screen is fixed, can once block most solid particle in filter screen one side when the filtration blocks the granule, lead to the jam of filter screen easily.
Notice No. CN210152711U discloses a coal mining uses dustproof ventilation unit, including filtering the main part, filter the lower surface middle part fixedly connected with air pipe of main part, air pipe's inside fixed mounting has negative-pressure air fan, air pipe's other end fixedly connected with cooling box, the inside fixed mounting of cooling box has circulating water pump, circulating water pump's upper end fixedly connected with reposition of redundant personnel box body, its filter screen of this dustproof ventilation unit is in when carrying out solid dust and filtering, has set up the multilayer filter screen and has filtered, but because the mesh number change of filter screen is cascaded rather than gradual change formula for filter screen department produces the jam easily, and the clearance of its filter screen department dust is comparatively inconvenient in addition.
The publication No. CN208793026U discloses a safety coal mine electromechanical device for coal mining, which comprises a coal mine ventilator and a fan arranged in the coal mine ventilator, wherein a filter screen is also arranged in the coal mine ventilator, the central shaft of the fan extends outwards and is fixedly sleeved with a first belt pulley, the top of the coal mine ventilator is fixedly connected with a cavity, a rotating rod is transversely and rotatably connected in the cavity, the rotating rod is fixedly sleeved with a second belt pulley, a belt is movably sleeved on the second belt pulley, the belt penetrates through the side wall of the cavity and extends into the coal mine ventilator, one end of the belt extending into the coal mine ventilator is movably sleeved with the first belt pulley, one end of the rotating rod far away from the second belt pulley penetrates through the side wall of the cavity and extends outwards, one end of the rotating rod extending to the outside is fixedly sleeved with a half gear, when the filter screen of the device blocks particles which do not accord with the mesh number of the belt, which can easily cause clogging of the screen and affect the placement of the ventilation air stream into normal flow.
Disclosure of Invention
In order to improve the situation, the invention provides a filtering structure for ventilation of a coal mine, which is a filtering structure that filtering channels are formed by densely distributed filtering pipes with different sizes so as to filter impurity particles step by step and is not easy to block.
The invention relates to a filtering structure for ventilation of a coal mine, which is realized as follows: the invention relates to a filter structure for ventilation of a coal mine, which consists of a suction pipe, a suction hood, a fixing strip, a fixing frame, a fixing plate, a honeycomb filter group, a first filter channel, a second filter channel, a third filter channel, a first filter pipe, a second filter pipe, a third filter pipe and a suction hole, wherein the suction hood is arranged on the fixing frame, the fixing strip is arranged at the edge of the suction hood, the fixing frame is of a rectangular frame structure, the suction pipe is arranged on the suction hood and communicated with the suction hood, the fixing plate is respectively arranged at two ends of the fixing frame, at least three third filter pipes are positioned in the fixing frame and close to one side of the fixing frame, the third filter channel is formed between the three filter pipes, at least three second filter pipes are positioned in the fixing frame and close to the middle part of a fixed favor, the second filter channel is formed between the two filter pipes, at least three first filter pipes are positioned in the fixing frame and close to the other, a first filter channel is formed between the first filter pipes, the sectional area of the second filter pipe is smaller than that of the third filter pipe, the sectional area of the first filter pipe is smaller than that of the second filter pipe, the width of the second filter channel is larger than that of the third filter channel, the width of the first filter channel is larger than that of the second filter channel, the first filter pipe is a regular polygonal pipe, the second filter pipe is a regular polygonal pipe, the first filter pipe is communicated with a suction hood, the second filter pipe is communicated with the suction hood, the third filter pipe is communicated with the suction hood, a suction hole is formed in the first filter pipe, a suction hole is formed in the second filter pipe, a suction hole is formed in the third filter pipe, a fourth filter pipe and a fifth filter pipe are additionally arranged in the fixing frame, and the aperture of the suction hole is gradually increased towards an outlet, the suction hood is funnel-shaped;
further, the suction hole is replaced with an elastic band.
Has the beneficial effects.
One, form the filtration passageway through densely covered big or small filter tube not of uniform size and filter to this air filters step by step, avoids its granule all to gather and causes the jam influence to ventilate in the filter screen one side.
Secondly, can carry out self-cleaning through the suction tube, conveniently handle the granule that filtration blocked.
Drawings
Fig. 1 is a perspective view of a filter structure for ventilation in a coal mine according to the present invention.
Fig. 2 is a schematic structural view of a filter structure for coal mine ventilation according to the present invention.
FIG. 3 is a perspective view of a first filter tube of a filter structure for coal mine ventilation according to the present invention.
Fig. 4 is a perspective view of a filter structure for ventilation in a coal mine according to embodiment 2 of the present invention.
In the attached drawings
Wherein the method comprises the following steps: suction tube (1), suction cover (2), fixed strip (3), mount (4), fixed plate (5), honeycomb filter group (6), No. one filtration way (7), No. two filtration ways (8), No. three filtration ways (9), No. one filter tube (10), No. two filter tubes (11), No. three filter tubes (12), suction hole (13), elastic belt (14).
The specific implementation mode is as follows:
example 1
The invention relates to a filtering structure for ventilation of a coal mine, which is realized as follows: the invention relates to a filtering structure for coal mine ventilation, which comprises a suction pipe (1), a suction hood (2), fixing strips (3), a fixing frame (4), a fixing plate (5), a honeycomb filtering group (6), a first filtering channel (7), a second filtering channel (8), a third filtering channel (9), a first filtering pipe (10), a second filtering pipe (11), a third filtering pipe (12) and suction holes (13), wherein the suction hood (2) is arranged on the fixing frame (4), the fixing strips (3) are arranged at the edge of the suction hood (2), the fixing frame (4) is of a rectangular frame structure, the suction pipe (1) is arranged on the suction hood (2) and communicated with the suction hood (2), the fixing plates (5) are respectively arranged at two ends of the fixing frame (4), at least three third filtering pipes (12) are positioned in the fixing frame (4) and are close to one side of the fixing frame (4), and the third filtering channels (9) are formed between the third filtering pipes (12), at least three second filter pipes (11) are positioned in the fixed frame (4) and are close to the middle part of the fixed frame (4), a second filter channel (8) is formed between the second filter pipes (11), at least three first filter pipes (10) are positioned in the fixed frame (4) and are close to the other side of the fixed frame (4), a first filter channel (7) is formed between the first filter pipes (10), the sectional area of the second filter pipes (11) is smaller than that of the third filter pipes (12), the sectional area of the first filter pipes (10) is smaller than that of the second filter pipes (11), the width of the second filter channels (8) is larger than that of the third filter channels (9), the width of the first filter pipes (7) is larger than that of the second filter pipes (8), the first filter pipes (10) are regular polygonal pipes, the second filter pipes (11) are regular polygonal pipes, and the first filter pipes (10) are regular polygonal pipes, the first filter pipe (10) is communicated with the suction hood (2), the second filter pipe (11) is communicated with the suction hood (2), the third filter pipe (12) is communicated with the suction hood (2), a suction hole (13) is formed in the first filter pipe (10), a suction hole (13) is formed in the second filter pipe (11), a suction hole (13) is formed in the third filter pipe (12), a fourth filter pipe and a fifth filter pipe are additionally arranged in the fixing frame (4), the aperture of the suction hole (13) is gradually increased towards an outlet, and the suction hood (2) is of a funnel shape;
when the device is used, a person firstly fixes the fixing plate (5) on the inner wall of the ventilation channel through connection of a bolt, the first filter pipe (10) faces the air supply direction, and the suction pipe (1) is connected with an external air pump to complete the fixation of the device;
when the ventilation air flow passes through the filtering structure, the air flow passes through a plurality of groups of filtering channels among a plurality of groups of filtering pipes, because the widths of the plurality of groups of filtering channels are sequentially reduced from one side of the fixing frame (4) for another time, the dust particles in the air are blocked to form gradual filtering, and simultaneously the dust particles are prevented from being gathered at one side of the filtering structure to cause blockage; when needs cleared up filtration, personnel start the air pump, aspirate through suction tube (1) for suction cover (2) aspirate the dust of jam in the multiunit filter passage from the top, inhale the completion clearance with the dust granule.
Example 2
The difference between this example and example 1 is: the suction holes (13) are replaced by elastic belts (14); when in use, when in suction, the elastic belt (14) is influenced by the suction force to contract inwards, so that the filter passage is expanded to suck away the dust particles;
the two ends of the fixing frame (4) are respectively provided with the fixing plates (5), so that the fixing frame (4) can be enclosed, and the suction effect is prevented from being influenced;
the width of the second filter channel (8) is greater than that of the third filter channel (9), and the width of the first filter channel (7) is greater than that of the second filter channel (8), so that the width of the filter channels is gradually reduced along with air flow, and classified filtration of dust is realized;
the first filtering pipe (10) is a regular polygon pipe, the second filtering pipe (11) is a regular polygon pipe, and the first filtering pipe (10) is designed as a regular polygon pipe and can form a plurality of groups of branched passages, so that airflow collides with each other to clean attached particles;
the fixed frame (4) is internally and additionally provided with a fourth filter pipe and a fifth filter pipe, so that the screening stage number of dust particles is increased, and the blockage of a channel is avoided;
the aperture of the suction hole (13) is gradually increased towards the outlet, so that the suction range is increased, and the suction effect is good;
the suction hood (2) is in a funnel-shaped design, so that the suction range is enlarged, and the suction effect is good;
the first filter channel (7), the second filter channel (8) and the third filter channel (9) are designed in a matched mode, so that granular dust with different sizes can be filtered step by step, and blockage caused by dust accumulation is avoided;
the suction pipe (1), the suction cover (2) and the suction hole (13) are matched, so that dust blocked in the filter channel can be sucked and cleaned from the upper part at regular intervals, and the filtering effect is ensured;
the air flow passes through a plurality of groups of filter passages among the plurality of groups of filter pipes, and the plurality of groups of filter passages are designed for blocking dust particles in the air in sequence, so that gradual filtering can be realized, and the blockage caused by dust accumulation is avoided;
personnel start the air pump to pump the dust blocked in the multiple groups of filter channels, so that dust particles can be sucked away to finish cleaning, and the use is convenient;
the purpose that a plurality of densely-distributed filter pipes with different sizes form a filter passage for filtering, so that impurity particles are filtered step by step and are not easy to block is achieved.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
It should be further noted that, while the above specific embodiments are described for simplicity and clarity, only the differences from other embodiments are described, but those skilled in the art should understand that the above specific embodiments are independent technical solutions.
Claims (9)
1. The utility model provides a colliery is filtration for ventilation, characterized by: comprises a suction pipe, a suction cover, a fixing strip, a fixing frame, a fixing plate, a honeycomb filter group, a first filter channel, a second filter channel, a third filter channel, a first filter pipe, a second filter pipe, a third filter pipe and a suction hole, wherein the suction cover is arranged on the fixing frame, the fixing frame is of a rectangular frame structure, the suction pipe is communicated with the suction cover, the fixing plate is respectively arranged at two ends of the fixing frame, at least three third filter pipes are positioned in the fixing frame and are close to one side of the fixing frame, the third filter channel is formed between the third filter pipes, at least three second filter pipes are positioned in the fixing frame and are close to the middle part of a fixed favorite, the second filter channel is formed between the second filter pipes, at least three first filter pipes are positioned in the fixing frame and are close to the other side of the fixing frame, the first filter channel is formed between the first filter pipes, and the first filter pipes are communicated with the suction cover, the second filter pipe is communicated with the suction hood, the third filter pipe is communicated with the suction hood, the first filter pipe is provided with a suction hole, the second filter pipe is provided with a suction hole, the third filter pipe is provided with a suction hole, and the fixed frame is internally and additionally provided with a fourth filter pipe and a fifth filter pipe.
2. A filter construction for ventilation in a coal mine as claimed in claim 1, wherein the suction apertures are replaced by resilient bands which, in use, are caused to contract inwardly under the influence of suction when suction is applied, thereby to cause the duct to expand to facilitate the suction of dust particles away.
3. The filter structure for ventilation of coal mines as set forth in claim 1, wherein the cross-sectional area of the second filter pipe is smaller than that of the third filter pipe, the cross-sectional area of the first filter pipe is smaller than that of the second filter pipe, the width of the second filter passage is greater than that of the third filter passage, and the width of the first filter passage is greater than that of the second filter passage.
4. The filtering structure for coal mine ventilation according to claim 1, characterized in that the first filtering pipe is a regular polygon type pipe, the second filtering pipe is a regular polygon type pipe, and the first filtering pipe is a regular polygon type pipe.
5. A filter construction for ventilation in a coal mine as claimed in claim 1, wherein the aperture of the suction opening increases progressively towards the outlet.
6. A filter construction for coal mine ventilation according to claim 1, wherein said suction hood is funnel-shaped.
7. The filter structure for ventilation of the coal mine according to claim 1, wherein the first filter channel, the second filter channel and the third filter channel are designed in a matched manner, so that the filter structure can filter granular dust with different sizes step by step, and the blockage caused by dust accumulation is avoided.
8. A filter construction for coal mine ventilation according to claim 1 wherein the suction pipe, suction hood and suction openings are cooperatively configured to periodically suction and clean dust clogging the filter passage from above.
9. The filter structure for coal mine ventilation according to claim 1, wherein the air flow passes through a plurality of sets of filter channels among the plurality of sets of filter pipes, and the plurality of sets of filter channels are designed to block dust particles in the air in sequence, so that gradual filtration can be realized, and blockage caused by dust accumulation is avoided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010382586.8A CN111514675B (en) | 2020-05-08 | 2020-05-08 | Filtering structure for ventilation of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010382586.8A CN111514675B (en) | 2020-05-08 | 2020-05-08 | Filtering structure for ventilation of coal mine |
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| Publication Number | Publication Date |
|---|---|
| CN111514675A true CN111514675A (en) | 2020-08-11 |
| CN111514675B CN111514675B (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010382586.8A Active CN111514675B (en) | 2020-05-08 | 2020-05-08 | Filtering structure for ventilation of coal mine |
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| CN111514675B (en) | 2022-01-28 |
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Effective date of registration: 20231009 Address after: 221000 south 2nd floor, building 2, Xuzhou Software Park, No. 6, Software Park Road, Quanshan District, Xuzhou City, Jiangsu Province Patentee after: Xuzhou Chuangshe General Technology Industry Research Institute Co.,Ltd. Address before: 221000 No.37, 5th floor, Qianzhang, Zhangzhai Town, Pei County, Xuzhou City, Jiangsu Province Patentee before: Zhang Hang |
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Effective date of registration: 20231020 Address after: Building loftc, West Greenland Business City, Hanyuan Avenue, Yunlong District, Xuzhou City, Jiangsu Province, 221000 Patentee after: XUZHOU XINNANHU TECHNOLOGY Co.,Ltd. Address before: 221000 south 2nd floor, building 2, Xuzhou Software Park, No. 6, Software Park Road, Quanshan District, Xuzhou City, Jiangsu Province Patentee before: Xuzhou Chuangshe General Technology Industry Research Institute Co.,Ltd. |