Coal mine underground water resource recycling device

Abstract

The utility model relates to the technical field of water resource recycling, and discloses a coal mine underground water resource recycling device which comprises a filtering cavity, the bottom end of the filtering cavity is of a trumpet-shaped structure with an upward opening, a water conveying pipe is arranged over the top of the filtering cavity, and the other end of the water conveying pipe is fixedly connected with a pump body. In order to solve the technical problems that when water resources in an underground coal mine are physically filtered, holes of a filter screen are easily blocked under precipitated floccules, and manual cleaning is needed, so that the filtering effect and the filtering efficiency of equipment are reduced. According to the utility model, the conveyed water body is used as driving force, sediments in the water body can be cleaned to the collecting mechanism along with the conveying of the sediment water body, and the outer wall of the spherical filter screen can be continuously cleaned under the action of the arc-shaped scraping plate component, so that the holes of the spherical filter screen are effectively prevented from being blocked, and the long-term filtering operation capability of the spherical filter screen is improved; the manual cleaning frequency is reduced, and the filtering effect of the equipment is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wide range technical field especially relates to a coal mine underground water resource recycling device. BACKGROUND

[0002] With the improvement of coal mining progress, the behavior of excavating coal mine can cause rock dust, suspended solids, artificial pollution and microorganisms to enter the groundwater, resulting in pollution of the groundwater in the coal mine area. If the wastewater in the groundwater well is directly discharged without treatment, it can cause water pollution, damage to the groundwater system, and make daily water use impossible. Therefore, the polluted coal mine underground water resources need to be treated to meet the discharge standards and ensure the normal recycling of water resources.

[0003] The steps of the coal mine underground water recovery process mainly include pretreatment, biochemical treatment, advanced treatment, and subsequent utilization. In the pretreatment stage, the coal mine underground water resources to be treated need to be collected, precipitated, coagulated, filtered, and disinfected.

[0004] During the filtration operation, the flocculent precipitate in the water body after the coagulation stage can easily cause blockage of the filter screen mesh, so manual cleaning is required to ensure the filtration effect of the filter screen and the filtration efficiency of the equipment. UTILITY MODEL CONTENTS

[0005] To solve the technical problem of easy blockage of the filter screen mesh due to the flocculent precipitate during physical filtration of the coal mine underground water resources and the need for manual cleaning, which reduces the filtration effect and efficiency of the equipment, the utility model provides a coal mine underground water resource recycling device.

[0006] The utility model adopts the following technical scheme: a coal mine underground water resource recycling device, comprising a filter cavity, the bottom end of the filter cavity is a horn-shaped structure with an opening upward, a water delivery pipe is arranged directly above the top of the filter cavity, the other end of the water delivery pipe is fixedly connected with a pump body, a spherical filter screen is fixedly connected to the inner wall of the filter cavity, the spherical filter screen is a spherical structure with an opening downward, an agitating and cleaning mechanism is arranged at the middle of the top end of the spherical filter screen, and a collecting mechanism is arranged on both sides of the lower end of the spherical filter screen matched with the inner wall of the filter cavity.

[0007] The agitating and cleaning mechanism comprises a hemispherical pipe, the hemispherical pipe is fixedly connected to the bottom end of the spherical filter screen, the hemispherical pipe has an upward opening, a top end ring block is fixedly connected to the middle of the top end of the spherical filter screen, the top end ring block is rotatably connected with a top end rotating block, the top end rotating block is fixedly connected with a rotating blade at the middle of the top end, the rotating blade is located directly below the water delivery pipe, a plurality of arc-shaped scrapers are fixedly connected to the outer wall of the spherical filter screen at the bottom end of the top end rotating block.

[0008] Through the technical scheme, the stirring cleaning mechanism can quickly clean the spherical filter screen periodically, and the precipitate can be quickly guided to the collecting mechanism, so that the cleaning is convenient and quick.

[0009] As a further improvement of the above scheme, the collecting mechanism comprises two installation slots symmetrically arranged on two sides of the filter cavity, two collecting boxes are inserted and connected in the installation slots, and the two collecting boxes are attached to two sides of the bottom end of the hemispherical pipe.

[0010] Through the technical scheme, the collecting box is attached to the bottom end of the hemispherical pipe, so that the flocculent and the like can be effectively prevented from entering the filter cavity, and the quality of the water after filtration is guaranteed.

[0011] As a further improvement of the above scheme, two discharge slots are symmetrically arranged on two sides of the bottom end of the hemispherical pipe, and the two discharge slots are located directly above the collecting boxes.

[0012] Through the technical scheme, the collecting, guiding and cleaning to the collecting boxes are facilitated.

[0013] As a further improvement of the above scheme, a plurality of push plates are fixedly connected to the bottom ends of the arc-shaped scrapers, and the plurality of push plates are slidingly connected in the hemispherical pipe.

[0014] Through the technical scheme, the push plate can be attached to the hemispherical pipe, and the flocculent and the like precipitated in the hemispherical pipe can be cleaned to the discharge slots.

[0015] As a further improvement of the above scheme, the inner walls and the bottom ends of the two collecting boxes are provided with through holes, the diameters of the through holes are smaller than the diameters of the holes of the spherical filter screen, and handles are fixedly connected to the outer walls of the two collecting boxes.

[0016] Through the technical scheme, the handles are used to conveniently and quickly pull out the collecting boxes, and the through holes are used to filter the water entering synchronously to the lower part of the inner wall of the filter cavity.

[0017] As a further improvement of the above scheme, a water pipe is connected to the bottom end of the filter cavity, and the other end of the water pipe is connected to a disinfection tank.

[0018] Through the technical scheme, the water filtered by the spherical filter screen can be quickly conveyed to the disinfection tank for disinfection.

[0019] Compared with the prior art, the beneficial effects of the utility model lie in:

[0020] The utility model discloses a kind of water resource recycling devices in coal mine, including filter cavity, water pipe, spherical filter screen, half-sphere pipe, collection box, top ring block, top rotating block, arc-shaped scraper, push plate, discharge notch and rotating blade.

[0021] (II) the utility model discloses a collection mechanism that can be conveniently pulled out, can uniformly process the sediment collection in the collection box after completing single filtration operation, convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the overall structure schematic diagram of a kind of coal mine water resource recycling device provided by the utility model embodiment 1;

[0023] Figure 2 It is the front view cross-sectional structure schematic diagram of the utility model; Figure 1

[0024] Figure 3 It is the structure schematic diagram of the utility model stirring cleaning mechanism;

[0025] Figure 4 It is the connection state schematic diagram of the utility model stirring cleaning mechanism and collection mechanism.

[0026] MAIN SYMBOL EXPLANATION

[0027] 1, filter cavity;2, water pipe;3, spherical filter screen;4, half-sphere pipe;5, collection box;6, top ring block;7, top rotating block;8, arc-shaped scraper;9, push plate;10, discharge notch;11, rotating blade. DETAILED DESCRIPTION

[0028] Below, the utility model is further described in conjunction with the drawings and specific implementation, it is needful to explain that, under the premise of not conflicting, the following description between each embodiment or between each technical feature can be arbitrarily combined to form new embodiment.

[0029] Embodiment 1:

[0030] Please combine Figures 1-4 ​The coal mine underground water resource recycling device provided by the embodiment comprises a filtering cavity 1, the bottom end of the filtering cavity 1 is a horn-shaped structure with an upward opening, a water delivery pipe 2 is arranged directly above the top of the filtering cavity 1, one end of the water delivery pipe 2 is fixedly connected with a pump body, a spherical filter screen 3 is fixedly connected to the inner wall of the filtering cavity 1, specifically, the inner wall of the filtering cavity 1 and the bottom end of the spherical filter screen 3 form a closed state, the spherical filter screen 3 is a spherical structure with a downward opening, an agitating and cleaning mechanism is arranged at the middle of the top end of the spherical filter screen 3, and collecting mechanisms are arranged on the inner wall of the filtering cavity 1 and match the two sides of the lower end of the spherical filter screen 3.

[0031] The agitating and cleaning mechanism comprises a semi-spherical pipe 4, the semi-spherical pipe 4 is fixedly connected to the bottom end of the spherical filter screen 3, the semi-spherical pipe 4 has an upward opening, a top end ring block 6 is fixedly connected to the middle of the top end of the spherical filter screen 3, the top end ring block 6 is rotationally connected with a top end rotating block 7, the top end rotating block 7 is fixedly connected with a rotating blade 11 at the middle of the top end, the rotating blade 11 is located directly below the water delivery pipe 2, a plurality of arc-shaped scrapers 8 are uniformly fixedly connected to the outer wall of the bottom end of the top end rotating block 7, the bottom end of each arc-shaped scraper 8 is tightly attached to the outer wall of the spherical filter screen 3, specifically, a protrusion is arranged at the matching position of the bottom end of each arc-shaped scraper 8 and the hole of the spherical filter screen 3, and the arc-shaped scrapers 8 are made of elastic materials, including but not limited to hard plastic.

[0032] The implementation principle of the coal mine underground water resource recycling device in the embodiment is as follows:

[0033] The pump body delivers the precipitated water to the water delivery pipe 2, and uses the force generated when the water body descends to push and rotate the rotating blade 11, and the rotating connection between the top end rotating block 7 and the top end ring block 6 can realize the rotation of the rotating blade 11 to drive the arc-shaped scrapers 8 to scrape and clean the outer wall of the spherical filter screen 3, and along with the water delivery, the excess precipitates will enter the semi-spherical pipe 4 along the outer wall of the spherical filter screen 3 under the rotating cleaning of the arc-shaped scrapers 8 and the water washing force, and will finally enter the discharge slot 10 under the rotation of the push plate 9.

[0034] Embodiment 2:

[0035] In combination with Figures 1-4 The embodiment further improves the embodiment 1 in that:

[0036] The collecting mechanism comprises two installation slots symmetrically arranged on the two sides of the filtering cavity 1, two collecting boxes 5 are inserted and connected in the two installation slots, and the two collecting boxes 5 are attached to the two sides of the bottom end of the semi-spherical pipe 4.

[0037] The bottom end of the semi-spherical pipe 4 is symmetrically provided with two discharge slots 10, and the two discharge slots 10 are located directly above the two collecting boxes 5.

[0038] The bottom end of each arc-shaped scraper 8 is fixedly connected with a push plate 9, and each push plate 9 is slidingly connected in the hemispherical tube 4.

[0039] The inner wall and the bottom end of each collecting box 5 are provided with a through hole, and the diameter of the through hole is smaller than the diameter of the holes of the spherical filter screen 3.

[0040] The bottom end of the filtering cavity 1 is connected with a water pipe, and the other end of the water pipe is connected with a disinfection tank.

[0041] The implementation principle of the embodiment is as follows:

[0042] When the water body with the precipitates is delivered to the upper side of the rotating blade 11 by the pump body through the water delivery pipe 2, the water body with the precipitates will enter the inner wall of the filtering cavity 1, the water body will directly pass through the spherical filter screen 3 to the bottom of the inner wall of the filtering cavity 1, the precipitates will be attached to the outer wall of the spherical filter screen 3, and will finally enter the collecting box 5 along the discharge slot 10 under the gravity and the cleaning of the arc-shaped scraper 8, the excess water body can be filtered to the filtering cavity 1 through the through hole of the collecting box 5, and finally delivered to the disinfection tank through the water pipe to perform the disinfection operation.

[0043] The above-mentioned embodiment is only a preferred embodiment of the utility model, and cannot be used to limit the range of protection of the utility model, and any non-substantial change and replacement made by the person skilled in the art on the basis of the utility model belongs to the range of protection of the utility model.

Claims

1. A coal mine underground water resource recovery and utilization device, comprising: The filter chamber has a funnel-shaped structure with its bottom opening upwards. A water supply pipe is installed directly above the top of the filter chamber. A pump body is fixedly connected to the other end of the water supply pipe. A spherical filter screen is fixedly connected to the inner wall of the filter chamber. The spherical filter screen has a spherical structure with its opening downwards. An agitation and cleaning mechanism is installed at the top center of the spherical filter screen. Collection mechanisms are installed on both sides of the lower end of the spherical filter screen on the inner wall of the filter chamber. Its features are: The agitation and cleaning mechanism includes a hemispherical tube, which is fixedly connected to the bottom of the spherical filter screen with the opening facing upward. A top ring block is fixedly connected to the middle of the top of the spherical filter screen, and a top rotating block is rotatably connected to the top ring block. A rotating blade is fixedly connected to the middle of the top of the top rotating block, and the rotating blade is located directly below the water supply pipe. Multiple arc-shaped scrapers are evenly fixedly connected to the outer wall of the bottom of the top rotating block, and the bottom ends of the multiple arc-shaped scrapers are in close contact with the outer wall of the spherical filter screen.

2. The coal mine underground water resource recovery and utilization device as described in claim 1, characterized in that, The collection mechanism includes mounting slots symmetrically opened on both sides of the filter cavity, and collection boxes are inserted and connected in the two mounting slots. The two collection boxes are attached to the bottom sides of the hemispherical tube.

3. The coal mine underground water resource recovery and utilization device as described in claim 2, characterized in that, The hemispherical tube has symmetrical feeding slots on both sides of its bottom end, and the two feeding slots are located directly above the collection box.

4. The coal mine underground water resource recovery and utilization device as described in claim 1, characterized in that, Each of the arc-shaped scrapers has a pusher plate fixedly connected to its bottom end, and each of the pushers is slidably connected inside the hemispherical tube.

5. A coal mine underground water resource recovery and utilization device as described in claim 3, characterized in that, Both collection boxes have through holes on their inner walls and bottoms, and the diameter of the through holes is smaller than the diameter of the spherical filter screen. Both collection boxes have handles fixedly connected to their outer walls.

6. The coal mine underground water resource recovery and utilization device as described in claim 2, characterized in that, The bottom of the filter chamber is connected to a water pipe, and the other end of the water pipe is connected to a disinfection pool.

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