CN215310568U - Big filter surface self-cleaning filter for underground coal mine spraying device - Google Patents
Big filter surface self-cleaning filter for underground coal mine spraying device Download PDFInfo
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- CN215310568U CN215310568U CN202121663298.6U CN202121663298U CN215310568U CN 215310568 U CN215310568 U CN 215310568U CN 202121663298 U CN202121663298 U CN 202121663298U CN 215310568 U CN215310568 U CN 215310568U
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- 238000005507 spraying Methods 0.000 title claims abstract description 26
- 239000003245 coal Substances 0.000 title claims abstract description 24
- 238000004140 cleaning Methods 0.000 title claims abstract description 21
- 239000012535 impurity Substances 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 241001417527 Pempheridae Species 0.000 claims abstract description 27
- 230000000694 effects Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 11
- 230000009471 action Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000005065 mining Methods 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a large-filtering-surface self-cleaning filter for a coal mine underground spraying device, which belongs to the technical field of coal mining and coal mine safety and comprises a vertical or inclined barrel, wherein a water inlet is formed in the upper end of the barrel, a water outlet is formed in the middle of the barrel, an impurity bin is formed in the lower end of the barrel, an annular filter element is arranged in the barrel, and a spiral sweeper capable of rotating under the action of water flow is arranged in the annular filter element to clean a filter screen of the annular filter element. According to the utility model, the spiral sweeper capable of rotating under the impact of water flow is arranged, so that the automatic cleaning of the filter screen is realized under the condition of no external power, the normal operation of the spraying device is ensured, and the overhaul and maintenance period of the filter can be effectively prolonged.
Description
Technical Field
The utility model belongs to the technical field of coal mining and coal mine safety, and relates to a large-filtering-surface self-cleaning filter for a coal mine underground spraying device.
Background
The aperture of the spray nozzle for underground spraying of the coal mine is small, the spray nozzle is usually about 1 mm-2 mm, the impurities of underground production water are more, and the spray nozzle is often out of work due to the blockage of the impurities, so that a filter is often additionally arranged at the water inlet of the spraying device and used for purifying the impurities in the water. The traditional filter screen usually adopts a steel wire mesh, and impurities in water are easily deformed and lose efficacy along with the aggregation of the impurities on the mesh surface. The filter screen form is straight formula, and effective filter area is equivalent with the rivers cross-section, leads to the filter to overhaul maintenance cycle short to need to pull down the filter from the pipeline and wash, spray the place many in the pit, lead to overhauing to maintain work load big. And the electric self-cleaning filter and the like have complex structures, high maintenance cost and difficult miniaturization, and are difficult to adapt to severe underground working environments.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application provides a large filtering surface self-cleaning filter for a coal mine underground spraying device, so as to achieve automatic cleaning of a filtering net and prolong a maintenance period of the filter.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a colliery is big filter surface automatically cleaning filter for atomizer in pit, is including being the barrel that vertical or slope set up, and the upper end of barrel is equipped with the water inlet, and the middle part is equipped with the delivery port, and the lower extreme is equipped with the dirty storehouse, is equipped with annular filter core in the barrel, is equipped with the spiral sweeper that can rotate under the rivers effect in the annular filter core in order to clean the filter screen of annular filter core.
Optionally, the lower end of the spiral sweeper is connected with the impurity bin.
Optionally, the filter screen of the annular filter element is supported by a rigid framework.
Optionally, the barrel includes the barrel body and can dismantle the top connection and the lower clutch of connecting both ends about the barrel body respectively, and the upper and lower both ends of annular filter core are fixed respectively on top connection and lower clutch, and the upper and lower both ends of spiral sweeper stretch out annular filter core and are connected with top connection and lower clutch respectively.
Optionally, the spiral sweeper includes a central shaft and blades arranged in a spiral along the central shaft, and a brush arranged along the blades.
Optionally, the central shaft includes a central shaft body rotatably connected to the barrel through a support frame and a blade shaft sleeved on the central shaft body and used for fixing the blade.
Optionally, the support frame includes outer loop and the inner ring that sets up with one heart to and 3 connecting rods that the equipartition was in inner ring circumference and rather than fixed connection, the other end and the outer loop fixed connection of connecting rod, outer loop and barrel fixed connection, the inner ring rotates with the center pin body and is connected.
Optionally, the impurity bin is provided with an impurity discharge port, and a valve is arranged at the impurity discharge port.
Optionally, a valve is arranged at the water outlet.
The utility model has the beneficial effects that: the service and maintenance period of the filter can be effectively prolonged, and the normal operation of the spraying device is ensured; meanwhile, the filter is simple and reliable in structure, suitable for severe operation environments in different underground places, small in maintenance workload and capable of reducing the labor intensity of workers.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the utility model, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a large filtering surface self-cleaning filter for a coal mine underground spraying device according to the utility model;
FIG. 2 is a first schematic structural view of the spiral sweeper;
fig. 3 is a schematic structural diagram of a spiral sweeper.
Reference numerals: the device comprises an upper joint 1, an O-shaped sealing ring 2, a sealing washer 3, a cylinder body 4, a filter element 5, a spiral sweeper 6, a lower joint 7, a central shaft body 8, a blade shaft 9, blades 10 and a brush 11.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the utility model only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the utility model thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 3, the large-filtering-surface self-cleaning filter for the underground coal mine spraying device comprises a vertical or inclined barrel, a water inlet is formed in the upper end of the barrel, a water outlet is formed in the middle of the barrel, an impurity bin is formed in the lower end of the barrel, an annular filter element 5 is arranged in the barrel, and a spiral cleaner 6 capable of rotating under the action of water flow is arranged in the annular filter element 5 to clean a filter screen of the annular filter element 5.
According to the utility model, the spiral sweeper 6 capable of rotating under the impact of water flow is arranged, so that the filter element 5 is cleaned under the condition of no external power, the normal operation of the spraying device is ensured, and the service and maintenance period of the filter can be effectively prolonged.
The lower end of the spiral sweeper 6 is connected with the impurity bin, and the arrangement mode can fully play the flow guiding role of the spiral groove of the spiral sweeper 6 and is beneficial to quickly gathering impurities in the impurity bin below.
The filter screen of the annular filter element 5 is supported by the hard framework, so that the filter screen is not deformed under high pressure. The hard skeleton can be made of seamless steel tubes.
The barrel comprises a barrel body 4, an upper joint 1 and a lower joint 7 which are detachably connected to the upper end and the lower end of the barrel body 4 respectively, the upper end and the lower end of an annular filter element 5 are fixed on the upper joint 1 and the lower joint 7 respectively, and the upper end and the lower end of a spiral cleaner 6 extend out of the annular filter element 5 and are connected with the upper joint 1 and the lower joint 7 respectively.
The two ends of the spiral cleaner 6 of the utility model extend out of the annular filter element 5 and are connected with the cylinder body. The spiral sweeper 6 comprises a central shaft, blades 10 spirally arranged along the central shaft and a brush 11 arranged along the blades 10. The center pin includes the center pin body 8 of being connected through support frame and barrel rotation and overlaps the blade axle 9 that is used for fixed blade 10 on center pin body 8. The support frame includes outer loop and the inner ring that sets up with one heart to and the equipartition is in inner ring circumference and rather than 3 connecting rods of fixed connection, the other end and the outer loop fixed connection of connecting rod, outer loop and the top connection 1 or the lower clutch 7 fixed connection of barrel, the inner ring rotates with center pin body 8 and is connected. The blades 10 and the blade shafts 9 are easily made of materials with low density so as to reduce self weight.
The impurity bin is provided with the impurity discharging port, and the valve is arranged at the impurity discharging port, so that impurities can be conveniently discharged, and the workload of maintenance personnel is reduced. The valve may be manually or automatically controlled.
The water outlet of the utility model is provided with a valve to realize automatic flushing of the annular filter element 5 by high-pressure water and automatic discharge of impurities, namely, the valve is closed, the valve at the impurity discharge outlet is opened, high-pressure water is introduced from the water inlet, the spiral cleaner 6 is driven to rotate rapidly by the impact force of the high-pressure water, the impurities on the filter screen of the filter are cleaned thoroughly, and meanwhile, the impurities in the impurity bin are automatically discharged under the action of water flow.
The utility model is mainly applied to filtering water for dust-proof spraying and the like in the underground coal mine, has simple and compact structure and small workload of overhaul and maintenance, and can adapt to filtering of different spraying places in the underground coal mine.
Examples
A large-filtering-surface self-cleaning filter for a coal mine underground spraying device mainly comprises an upper connector 1, an O-shaped sealing ring 2, a sealing washer 3, a cylinder body 4, a filter element 5, a spiral sweeper 6 and a lower connector 7. The cylindrical stainless steel filter screen is adopted, water flows in the axial direction and flows out laterally, the filtering area is greatly increased, the aperture of the filter screen is 0.5mm and is smaller than that of the nozzle, and the nozzle is prevented from being blocked by impurities; meanwhile, the filter screen is fixed on the framework made of the seamless steel tube, so that the filter screen is prevented from deforming under high pressure. Aiming at impurities accumulated on the filter screen, high-pressure axial water inflow impacts blades 10 of a spiral sweeper 6 to push the spiral sweeper 6 to rotate slowly, the filter screen is continuously swept by using a brush 11 positioned at the tail end of the blades of the spiral sweeper in the rotating process, and the impurities are guided into an impurity bin at the bottom to be temporarily stored; when the filter needs to be maintained, a water outlet valve of the filter is closed, a valve at an impurity discharge port is opened, the spiral blade 10 is impacted by continuous outflow of high-pressure water, the rotation speed of the spiral sweeper 6 is improved, impurities on a filter screen of the filter can be thoroughly swept, and the impurities are discharged along with water flow. Or the impurity discharge port valve can be opened by closing the water inlet valve and the water outlet valve of the filter, and impurities can be manually taken out.
The spiral sweeper 6 mainly comprises a central shaft body 8, a blade shaft 9, a spiral blade 10 and a brush 11 positioned at the tail end of the spiral blade. Because the water for underground spraying is pressure water, the spiral blades 10 of the sweeper have water flow speed difference at the inlet and the outlet under the impact action of the pressure water, so that torque is generated, the sweeper is caused to rotate, and the brush 11 is driven to sweep the filter screen.
During installation, the filter needs to be vertically or obliquely installed, the water inlet is arranged at the upper part and the impurity outlet is arranged at the lower part, impurities on the filter screen are swept down by the brush 11 at the end part of the spiral blade of the spiral sweeper 6, and finally enter the lower impurity bin to be gathered under the gravity action of the impurities and the flow guide action of the spiral blade 10.
According to the utility model, the spiral sweeper is arranged, so that the filter screen is automatically cleaned, impurities automatically enter the impurity bin, the filter screen is not easy to block, the service and maintenance period of the filter can be effectively prolonged, and the normal operation of the spraying device is ensured. Meanwhile, the filter is simple and reliable in structure, suitable for severe operation environments in different underground places, small in maintenance workload and capable of reducing the labor intensity of workers.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (9)
1. A big filter surface self-cleaning filter for a coal mine underground spraying device is characterized in that: including being the barrel of vertical or slope setting, the upper end of barrel is equipped with the water inlet, and the middle part is equipped with the delivery port, and the lower extreme is equipped with the impurity storehouse, is equipped with annular filter core in the barrel, is equipped with the spiral sweeper that can rotate under the rivers effect in the annular filter core in order to clean the filter screen of annular filter core.
2. The large-filtering-surface self-cleaning filter for the underground coal mine spraying device according to claim 1, which is characterized in that: the lower end of the spiral sweeper is connected with the impurity bin.
3. The large-filtering-surface self-cleaning filter for the underground coal mine spraying device according to claim 1, which is characterized in that: the filter screen of the annular filter element is supported by a hard framework.
4. The large-filtering-surface self-cleaning filter for the underground coal mine spraying device according to claim 1, which is characterized in that: the barrel includes the barrel body and can dismantle the top connection and the lower clutch of connecting both ends about the barrel body respectively, and the upper and lower both ends of annular filter core are fixed respectively on top connection and lower clutch, and the upper and lower both ends of spiral sweeper stretch out annular filter core and are connected with top connection and lower clutch respectively.
5. The large-filtering-surface self-cleaning filter for the underground coal mine spraying device according to claim 1, which is characterized in that: the spiral sweeper comprises a central shaft, blades and a brush, wherein the blades are spirally arranged along the central shaft, and the brush is arranged along the blades.
6. The large-filtering-surface self-cleaning filter for the underground coal mine spraying device according to claim 5, which is characterized in that: the central shaft comprises a central shaft body and a blade shaft, wherein the central shaft body is rotatably connected with the cylinder body through a support frame, and the blade shaft is sleeved on the central shaft body and used for fixing the blades.
7. The large-filtering-surface self-cleaning filter for the underground coal mine spraying device according to claim 6, which is characterized in that: the support frame includes outer loop and the inner ring that sets up with one heart to and the equipartition is at inner ring circumference and rather than 3 connecting rods of fixed connection, the other end and the outer loop fixed connection of connecting rod, outer loop and barrel fixed connection, the inner ring is connected with the rotation of center pin body.
8. The large-filtering-surface self-cleaning filter for the underground coal mine spraying device according to claim 1, which is characterized in that: the impurity bin is provided with an impurity discharge port, and a valve is arranged at the impurity discharge port.
9. The large-filtering-surface self-cleaning filter for the underground coal mine spraying device according to claim 1, which is characterized in that: and a valve is arranged at the water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121663298.6U CN215310568U (en) | 2021-07-21 | 2021-07-21 | Big filter surface self-cleaning filter for underground coal mine spraying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121663298.6U CN215310568U (en) | 2021-07-21 | 2021-07-21 | Big filter surface self-cleaning filter for underground coal mine spraying device |
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| Publication Number | Publication Date |
|---|---|
| CN215310568U true CN215310568U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121663298.6U Active CN215310568U (en) | 2021-07-21 | 2021-07-21 | Big filter surface self-cleaning filter for underground coal mine spraying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113384938A (en) * | 2021-07-21 | 2021-09-14 | 陕西小保当矿业有限公司 | Big filter surface self-cleaning filter for underground coal mine spraying device |
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- 2021-07-21 CN CN202121663298.6U patent/CN215310568U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113384938A (en) * | 2021-07-21 | 2021-09-14 | 陕西小保当矿业有限公司 | Big filter surface self-cleaning filter for underground coal mine spraying device |
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