A water filtering device for use in a mine

Abstract

The utility model discloses a kind of water filter devices for underground mine, it is related to underground mine drainage field, the device includes frame, filter screen and water-permeable hole, the filter screen is respectively arranged on the side wall of the front and rear side of frame, the water-permeable hole is respectively arranged on the side wall of left and right side, the water pump or the water inlet pipe of water pump is equipped in the frame.The utility model is by setting filter screen and water-permeable hole, effectively filter gravel, silt and other sundries in water, prevent its into water filter device inside, to protect drainage pump from sundries jam and abrasion, reduce the failure rate of drainage pump, prolong the service life of drainage pump, improve drainage efficiency.

Description

Technical Field

[0001] This utility model relates to the field of underground drainage in mines, specifically to a water filtration device for filtering gravel and silt in underground mines. Background Technology

[0002] In underground mining operations, the drainage system is a crucial component for ensuring safe production. Underground water often contains solid impurities such as mud, sand, and gravel. During routine drainage, pumps are typically used to remove the accumulated water. However, due to a lack of effective pre-filtration measures, mud, sand, and gravel easily enter the pumps, causing impeller wear, blockage, and even motor burnout. This leads to frequent pump failures, high maintenance and replacement costs, severely impacting drainage efficiency and increasing mining costs. Existing filtration devices use screen structures, which are prone to clogging and have low filtration efficiency. Therefore, further optimization of underground mining filtration devices is needed to achieve better filtration, effective protection of the drainage pumps, and improved drainage efficiency. Utility Model Content

[0003] This utility model provides a water filtration device for underground mining to solve the problems mentioned above.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A water filtration device for underground mining includes a frame, a filter screen, and water permeable holes. The filter screen is installed on the front and rear side walls of the frame, and the water permeable holes are installed on the left and right side walls. A water pump or a water pump inlet pipe is installed inside the frame.

[0006] Furthermore, the water filter screen consists of several steel bars arranged vertically in parallel, with gaps between the steel bars for water filtration.

[0007] Furthermore, at least one reinforcing bar should be installed on the filter screen.

[0008] Furthermore, the lowest position of the permeable hole is lower than the height of the bottom surface of the water tank to which it is connected.

[0009] Furthermore, the reinforcing bar is arranged perpendicular to the steel bar.

[0010] Furthermore, the steel bar is a rebar or a round bar.

[0011] Furthermore, the steel bars are spaced 5-10 mm apart.

[0012] Furthermore, the permeable holes are circular or square, with a single hole area of ​​25-30 mm².

[0013] Furthermore, several steel bars are arranged vertically in parallel on both sides of the frame, with gaps between the steel bars for water filtration.

[0014] The beneficial effects of this utility model are:

[0015] 1. The water filtration device has a simple and robust structure. By setting filter screens on the front and rear side walls of the frame and water permeable holes on the left and right side walls, it can efficiently intercept gravel and silt while ensuring a large flow of water. A water pump or water pump inlet pipe is installed inside the frame to prevent the water pump from being worn, blocked or damaged due to the intake of impurities, thus extending the service life of the water pump and ensuring the stable operation of the drainage system.

[0016] 2. The water filter screen is made of vertically parallel steel bars, which are sturdy, durable and not easily damaged. The gaps between the steel bars can effectively filter larger particles of gravel and debris. At the same time, the vertical arrangement helps to reduce the accumulation of debris on the screen and reduce the risk of clogging.

[0017] 3. The addition of reinforcing bars to the filter screen enhances the overall structural strength and stability of the filter screen, effectively preventing the steel bars from deforming or being damaged by water flow or impact from large debris, thus improving the durability and reliability of the water filtration device.

[0018] 4. The lowest point of the permeable hole is lower than the bottom surface of the water tank to which it is connected, which ensures that the water in the water tank or collection pit can flow more thoroughly into the water filter device for treatment, avoiding the problem of water accumulating at the bottom of the water tank and not being able to drain, thus improving drainage efficiency and water resource utilization.

[0019] 5. The reinforcing bars are set perpendicular to the steel bars. This connection method can more effectively distribute and withstand the external pressure and impact applied to the filter screen, and maximize the reinforcing effect of the reinforcing bars.

[0020] 6. The steel bars are made of threaded steel or round steel. These two materials have high strength and certain corrosion resistance, and are relatively low in cost and easy to process and weld, thereby reducing the manufacturing cost of the water filtration device and ensuring that the water filtration screen is sturdy and durable, and adaptable to the harsh working environment in underground mines.

[0021] 7. The spacing between adjacent steel bars is controlled at 5-10mm. This gap size has been optimized to effectively intercept most of the impurities such as gravel and large mud and sand particles that threaten the operation of the water pump, while ensuring sufficient water flow area. It takes into account both the filtration effect and filtration efficiency, and is not prone to frequent clogging due to too small a gap, nor is it prone to poor filtration effect due to too large a gap.

[0022] 8. The permeable holes are set to be round or square, and the area of ​​a single hole is controlled at 25-30mm². This design can not only ensure a certain amount of auxiliary water intake, share the pressure of the main filter screen, and improve the overall water intake efficiency, but also block impurities from the water flow entering from the side by limiting the hole size.

[0023] 9. The left and right side walls of the frame are equipped with filter screens made of vertically parallel steel bars, which significantly increases the overall effective filtration area and water inlet channel of the device, greatly improving the water intake capacity and filtration efficiency of the water filtration device. It is especially suitable for drainage environments with large water volume or rapid water flow, and can discharge accumulated water more quickly and effectively. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0025] In the attached image:

[0026] 1. Frame; 2. Filter screen; 21. Reinforcing bars; 3. Water permeable holes. Detailed Implementation

[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0028] like Figure 1 As shown, a water filtration device for underground mining mainly includes a frame 1, a filter screen 2, and permeable holes 3. Before processing each component, the specific dimensions of the water filtration device usually need to be determined according to the size and depth of the actual installation location. In this invention, filter screens 2 are respectively installed on the front and rear side walls of the frame 1, and permeable holes 3 are respectively installed on the left and right side walls. A water pump or a water pump inlet pipe is installed inside the frame 1. The frame 1 preferably uses 40mm to 50mm equilateral angle steel as the main load-bearing component. The angle steel is first cut according to the designed length, width, and height, and then welded into a cuboid frame. During welding, the inside corners of the angle steel face inwards, and the faces of the outside corners are parallel or perpendicular to the faces of the welded cuboid. Then, steel plates with a thickness of 2mm to 3mm are welded to the bottom and both sides of the cuboid frame to form a box structure with an open top.

[0029] The filter screen 2 of this utility model is preferably made of Φ18 threaded steel or round steel. After all the threaded steel or round steel is cut according to the height of the filter box, it is vertically welded to the edge of the frame 1. All the threaded steel or round steel are parallel to each other, and the filter gap between them is preferably 5mm to 10mm. The size of the gap needs to take into account both the water filtration effect and the ability to block impurities. If it is too large, it will cause mud, sand and stones to enter the box. If it is too small, it will affect the water filtration speed or easily cause blockage.

[0030] The reinforcing bars 21 of this invention are used to reinforce the filter screen 2. They are installed at the upper and lower 1 / 3 of the filter screen 2 on both sides of the filter tank to improve its overall strength and prevent the threaded steel or round steel from deforming due to impact or compression. The reinforcing bars 21 are preferably made of flat steel with a width of 20mm to 25mm and a thickness of 4mm to 5mm, but they can also be made of the same threaded steel or round steel as the filter screen.

[0031] The permeable holes 3 of this invention are formed on the steel plates at both ends of the frame 1. The holes can be rectangular or circular, and their size and number are determined according to the water flow rate of the connected water tank or collection pit to ensure that water can smoothly enter the filter tank. For example, the hole size can be 25mm² to 30mm². To facilitate the complete flow of water from the water tank into the filter tank, the lowest hole is slightly lower than the bottom of the water tank. The spacing between the holes should not be too small to avoid connection between the holes due to collision, compression, or deformation, which would affect the strength of the side panels. In cases of particularly large water volume, the steel plates at both ends can be omitted, and a filter screen structure can be directly made to increase the water inlet area.

[0032] The connection between the components of this utility model is preferably made by full welding. After welding, appropriate grinding can be performed to facilitate handling and use.

[0033] When in use, this utility model can be placed in the water collection pits on both sides of the floor of an underground mine roadway, or used in conjunction with a water trough and placed in the water collection pocket formed at the end of the trough. By placing the drainage pump inside the water filtration device, or placing the suction port of the drainage pump inside the water filtration device, the incoming water flow can be initially filtered through the filter screen and permeable holes, effectively blocking most of the gravel and silt, thereby protecting the drainage pump.

[0034] This utility model has a robust structure, reasonable design, readily available materials, simple manufacturing, and is economical and practical. It can effectively solve the problem of high consumption of underground drainage pumps in mines, reduce mining costs, and its size can be adjusted according to actual site needs. It has great potential for widespread application and is therefore a highly practical device.

Claims

1. A water filtration device for underground mining, characterized in that: It includes a frame (1), a water filter screen (2) and water permeable holes (3). The frame (1) is provided with water filter screens (2) on the front and rear side walls and water permeable holes (3) on the left and right side walls. The frame (1) is provided with a water pump or a water pump inlet pipe.

2. The water filtration device for underground mining as described in claim 1, characterized in that: The water filter screen (2) consists of several steel bars arranged vertically in parallel, with gaps between the steel bars for water filtration.

3. A water filtration device for underground mining as described in claim 2, characterized in that: At least one reinforcing bar (21) shall be installed on the water filter screen (2).

4. A water filtration device for underground mining as described in claim 1, characterized in that: The lowest position of the permeable hole (3) is lower than the bottom surface of the water tank to which it is connected.

5. A water filtration device for underground mining as described in claim 3, characterized in that: The reinforcing bar (21) is set perpendicular to the steel bar.

6. A water filtration device for underground mining as described in claim 2, characterized in that: The steel bar is either threaded steel or round steel.

7. A water filtration device for underground mining as described in claim 2, characterized in that: The steel bars are spaced 5-10 mm apart.

8. A water filtration device for underground mining as described in claim 1, characterized in that: The permeable holes (3) are circular or square, with a single hole area of ​​25-30 mm².

9. A water filtration device for underground mining as described in claim 1, characterized in that: The left and right side walls of the frame (1) are provided with several steel bars arranged vertically in parallel, and gaps are left between the steel bars for water filtration.

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