Coal water separation device

Abstract

The utility model discloses a coal water separation device, install vibrating device through in screening box both ends, utilize transmission shaft to drive the rotation of guide wheel and eccentrically arranged connecting rod, promote the up-down movement of connecting frame to drive the up-down movement of sleeve to make screening box vibrate, carry out the primary screening to coal, and the filtered water enters the conveyer belt and continues to handle through pipeline, simultaneously, control the interval between cylinder and filter cloth, realize accurate filtration, with the interval between cylinder and filter cloth narrowing, coal is further separated, and coal water is removed, at the conveyer belt one end, the baffle scrapes coal particles on the surface of filter cloth, keeps filter cloth clean, ensures the filtering efficiency, and the design optimizes the screening, separation and filtration process, improves the operation stability of equipment, environmental protection effect and the working reliability of system.

Description

Technical Field

[0001] This utility model relates to the technical field of coal-water separation equipment, specifically a coal-water separation device. Background Technology

[0002] During drilling operations, especially hydraulic cavity creation, large amounts of water and larger coal particles are typically generated. Although the wastewater is initially screened and pumped into drainage pipes, the solid-liquid separation is often ineffective, leaving some fine coal particles in the water. While larger coal slag is collected through screening, tiny coal particles remain in the water. These particles can cause overload, wear, or blockage of the water pump during processing. Coal particles entering the pump can damage the pump body, reduce efficiency, or even cause complete pump failure. Furthermore, when wastewater containing coal particles passes through drainage pipes, the particles tend to accumulate, gradually forming blockages and restricting pipe flow. In severe cases, this can completely clog the pipes, preventing wastewater from being discharged properly. This not only increases the difficulty of subsequent cleaning and maintenance but also leads to long-term paralysis of the drainage system.

[0003] Furthermore, since the wastewater still contains coal particles, when it is discharged into external water bodies, it will pollute the water quality. The coal particles suspended in the water contain harmful substances, which further aggravates the pollution of the water body, affects the ecological balance of the surrounding environment, and the deterioration of water quality will also bring great difficulties to the subsequent treatment of the water body, increasing the complexity and cost of environmental restoration. Utility Model Content

[0004] The purpose of this invention is to provide a coal-water separation device to solve the problem that due to unsatisfactory solid-liquid separation, fine coal particles in the water are not completely removed. Although larger coal slags are collected through screening, tiny coal particles still remain in the water. These coal particles can cause overload, wear, or blockage of the water pump during the pumping process. Coal particles entering the pump can damage the pump body, reduce efficiency, or even cause the pump to fail completely. At the same time, when wastewater containing coal particles passes through the drainage pipe, the coal particles are prone to deposit in the pipe, gradually forming a blockage, which restricts the smooth flow of the pipe. In severe cases, it can completely block the pipe, preventing the wastewater from being discharged normally. This not only increases the difficulty of subsequent cleaning and maintenance but also causes long-term paralysis of the drainage system.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a coal-water separation device, comprising a vibrating device, a screening box, a conveyor belt, a filter cloth, and a pressing device. The vibrating devices are symmetrically arranged at the front and rear ends of the screening box, and the screening box is connected between the vibrating devices. A conveyor belt is provided at one end of the screening box, and a filter cloth is wound on the conveyor belt. A discharge pipe is connected to the bottom end of the screening box, and the other end of the discharge pipe is located at the top end of the conveyor belt. A plurality of pressing devices are evenly distributed on the conveyor belt.

[0006] The vibration device includes a drive shaft, guide wheel, connecting rod, connecting frame, sleeve, and return spring. The drive shaft is symmetrical about the left and right ends of the screening box, and bearing seats are connected to the left and right drive shafts respectively.

[0007] The input end of any drive shaft is connected to the output end of a drive motor. Guide wheels are connected to corresponding end faces of the drive shafts, and the guide wheels are connected to each other via an eccentrically positioned rotating shaft. A connecting rod is connected to the outer circumference of the rotating shaft, and a connecting frame is hinged to the other end of the connecting rod. A vertically positioned slide rod is provided at the top of the connecting frame, and a sleeve is fitted around the outside of the slide rod, with the slide rod slidably fitted into the sleeve. The top of the sleeve is connected to a screening box. Return springs are provided on both the left and right sides of the sleeve, with one end connected to the screening box and the other end connected to the top of the bearing seat.

[0008] The pressing device includes a housing, a slider, a roller, and a cylinder. The housing is symmetrically arranged on the front and rear end frames of the conveyor belt. The housing has a sliding groove, and the slider is installed in the sliding groove and slides against the housing. The top of the housing is connected to the cylinder. The piston rod of the cylinder passes through the through hole at the top of the housing and is connected to the slider. The two sliders at the front and rear ends are connected by a roller. The outer circumference of the roller abuts against the filter cloth.

[0009] Preferably, a baffle is connected to one end of the conveyor belt corresponding to the discharge pipe, and a fixing plate is connected to both ends of the baffle. The fixing plates are respectively connected to the frame at the front and rear ends. The baffle is set to correspond to the width of the filter cloth, and the bottom end abuts against the filter cloth.

[0010] Preferably, the contact ends of the roller and the slider are respectively connected to bearing seats.

[0011] Preferably, the bottom of the conveyor belt is provided with a collection box, and the four corners of the bottom of the collection box are connected to support frames. The support frames are in contact with the ground, and the end of the collection box away from the discharge pipe is connected to a water outlet pipe.

[0012] Preferably, the input end of the drive roller of the conveyor belt is connected to the output end of the drive motor.

[0013] Preferably, the cylinder is connected to an air inlet pipe and an air outlet pipe, which are respectively connected to an external air source, and solenoid valves are respectively connected to the air inlet pipe and the air outlet pipe.

[0014] Preferably, a screening screen is mounted on the screening box.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] By installing vibration devices at both ends of the screening box, the rotation of the drive shaft drives the guide wheel to rotate, which in turn drives the eccentrically mounted connecting rod to rotate synchronously. The movement of the connecting rod pushes the top of the connecting frame to slide inside the sleeve, and by touching the bottom of the sleeve, it causes the sleeve to shift upward. At this time, the return spring, under the action of both ends, returns the sleeve to its original position, causing the screening box to vibrate, thus performing preliminary screening of the coal. After screening, the filtered water enters the conveyor belt through pipes for further processing.

[0017] During this process, a control cylinder is activated. The piston rod of the cylinder drives the slider to move up and down, thereby synchronously adjusting the position of the rollers. By adjusting the distance between the rollers and the filter cloth, more precise adjustment can be achieved to meet the filtration needs of different coal particle sizes. As the distance between multiple rollers and the filter cloth gradually decreases, the coal is squeezed into the space between the rollers and the filter cloth for further separation. After squeezing, the water falls into the collection box below, while the solid coal is conveyed by a conveyor belt, effectively removing the coal-water mixture.

[0018] In addition, a baffle is installed at one end of the conveyor belt, with its bottom end in contact with the filter cloth surface. When the conveyor belt starts operating, the baffle moves accordingly, scraping off coal particles adhering to the filter cloth surface through its bottom end, thereby keeping the filter cloth clean. This design effectively prevents coal accumulation on the filter cloth surface, ensuring the continuity and efficiency of the filtration process, reducing maintenance workload, and improving the system's operational reliability.

[0019] This design not only enables fine screening and separation of coal, but also ensures efficient operation of the equipment through a reasonable structural arrangement, reduces damage to the equipment from coal particles, improves the accuracy of screening and filtration, and effectively enhances the system's operational stability and environmental performance. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0021] Figure 2 This is a schematic diagram of the vibration device structure of this utility model.

[0022] Figure 3 This is a schematic diagram of the pressing device of this utility model.

[0023] In the diagram: 1. Vibration device; 101. Drive shaft; 102. Guide wheel; 103. Connecting rod; 104. Connecting frame; 105. Sleeve; 106. Return spring; 2. Screening box; 3. Conveyor belt; 4. Filter cloth; 5. Pressing device; 501. Housing; 502. Slider; 503. Drum; 504. Cylinder; 6. Collection box; 7. Water outlet pipe; 8. Baffle. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1: Please refer to Figure 1-2 This utility model provides an embodiment of a coal-water separation device, comprising a vibrating device 1, a screening box 2, a conveyor belt 3, a filter cloth 4, and pressing devices 5. The vibrating devices 1 are symmetrically arranged at the front and rear ends of the screening box 2, and the screening box 2 is connected between the vibrating devices 1. A conveyor belt 3 is provided at one end of the screening box 2, and the filter cloth 4 is wound on the conveyor belt 3. A discharge pipe is connected to the bottom end of the screening box 2, and the other end of the discharge pipe is provided at the top end of the conveyor belt 3. A plurality of pressing devices 5 are evenly distributed on the conveyor belt 3.

[0029] The vibration device 1 includes a drive shaft 101, a guide wheel 102, a connecting rod 103, a connecting frame 104, a sleeve 105, and a return spring 106. The drive shaft 101 is symmetrically positioned on the left and right sides of the screening box 2. A screening screen with several apertures is mounted on the screening box 2 for preliminary separation of coal and water. The drive shaft 101 is the main power source of the vibration device 1, connected to a drive motor. The rotation of the drive shaft 101 drives the entire vibration system. Bearing seats are connected to the left and right sides of the drive shaft 101, respectively. The bearing seats support and position the drive shaft 101 and reduce friction. The bottom ends of the bearing seats are connected to the support frames, and space is provided between the two support frames for the guide wheel 102 to rotate.

[0030] The input end of any one of the drive shafts 101 is connected to the output end of the drive motor. Guide wheels 102 are connected to the corresponding end faces of the drive shafts 101. The guide wheels 102 are mounted on the drive shafts 101. The connecting rod 103 and the drive shaft 101 drive the eccentrically positioned connecting rod 103 to move, thereby ensuring the stability of the motion trajectory. The guide wheels 102 are connected by an eccentrically positioned rotating shaft. The rotating shaft connects the guide wheels 102 on both the left and right sides, connecting the two drive shafts 101 into a single unit. To enhance overall stability, a connecting rod 103 is connected to the outer circumference of the rotating shaft. When the guide wheel 102 rotates, the eccentric arrangement of the connecting rod 103 simultaneously drives the connecting frame 104 at the top to move up and down. The other end of the connecting rod 103 is hinged to the connecting frame 104. A vertically erected slide rod is provided at the top of the connecting frame 104. The slide rod at the top of the connecting frame 104 slides within the sleeve 105, limiting the movement position of the connecting frame 104. The sleeve 105 is fitted around the outside of the slide rod. Connected to the screening box 2, the internal groove guides the sliding rod at the top of the connecting frame 104 to move. The bottom of the sleeve 105 is smaller than the top of the connecting frame 104. When the connecting frame 104 is driven by the connecting rod 103, it moves up and down. Simultaneously, the top of the connecting frame 104 collides with the bottom of the sleeve 105, thereby driving the screening box 2 to vibrate. The sliding rod is slidably engaged with the sleeve 105. The top of the sleeve 105 is connected to the screening box 2. Return springs 1 are respectively provided on the left and right ends of the sleeve 105. 06. The return spring 106 supports the screening box 2. When the top end of the connecting frame 104 collides with the bottom end of the sleeve 105, the elastic potential energy generated by the return spring 106 causes the screening box 2 to reset and vibrate as the connecting frame 104 moves downward. A guide cylinder is provided on the outer side of the return spring 106, connected to the bearing seat. The height of the guide cylinder is flush with the top end of the connecting frame 104. One end of the return spring 106 is connected to the screening box 2, and the other end is connected to the top end of the bearing seat.

[0031] The pressing device 5 includes a housing 501, a slider 502, a roller 503, and a cylinder 504. The housing 501 is symmetrically arranged on the front and rear end frames of the conveyor belt 3. A groove is provided on the housing 501, which cooperates with the slider 502 to ensure and limit the movement of the slider 502. The slider 502 is located within the groove. When the slider 502 moves up and down, it drives the roller 503 connected to it to adjust its height, thereby synchronously adjusting the position of the roller 503, which slides against the housing 501. The top of the housing 501 is connected to the cylinder 504, which is connected to... The system has an inlet pipe and an outlet pipe, each connected to an external air source. Solenoid valves are connected to both the inlet and outlet pipes. A cylinder 504 drives the movement of the slider 502, thereby adjusting the position of the roller 503. The piston rod of the cylinder 504 passes through a through-hole at the top of the outer casing 501, providing a mounting position for the piston rod and connecting it to the slider 502. The two sliders 502 at the front and rear ends are connected by the roller 503. The outer circumference of the roller 503 abuts against the filter cloth 4. By adjusting the distance between the roller 503 and the filter cloth 4, more precise adjustment can be achieved to meet the filtration needs of different coal particle sizes. As the distance between the multiple rollers 503 and the filter cloth 4 gradually decreases, the coal is squeezed into the space between the rollers 503 and the filter cloth 4 for further separation.

[0032] Bearing seats are connected to the contact ends of the roller 503 and the slider 502. The bearing seats are used to provide rotation for the roller 503. When the coal is being squeezed, the roller 503 rotates synchronously to ensure a more uniform coal squeezing process and avoid problems such as over-squeezing or under-squeezing in some areas.

[0033] The bottom end of the conveyor belt 3 is equipped with a collection box 6, which is used to collect wastewater flowing down through the pores of the filter cloth 4 after being squeezed by the roller 503. The wastewater is then discharged through the outlet pipe 7. The interior of the collection box 6 is inclined, with one end of the collection box 6 located higher than the end furthest from the outlet pipe, allowing the water to be discharged by gravity. Support frames are connected to the four corners of the bottom of the collection box 6, and these support frames are in contact with the ground. The end of the collection box 6 furthest from the outlet pipe is connected to the outlet pipe 7. The input end of the drive roller of the conveyor belt 3 is connected to the output end of a drive motor, which controls the transmission of the conveyor belt 3.

[0034] In use, water and coal are poured into the top of the screening box 2. The drive motor is then started, causing the transmission shaft 101 to rotate within the bearing housing. Simultaneously, the guide wheel 102 rotates, which in turn rotates the eccentrically mounted shaft. This, in turn, causes the connecting rod 103 to move up and down, and the top sliding rod of the connecting frame 104 connected to the top of the connecting rod 103 slides within the sleeve 105. At this time, the top of the connecting frame 104 collides with the bottom of the sleeve 105, lifting the screening box 2 and stretching the return spring 106. When the connecting frame 104 moves downwards, the screening box 2 falls under its own weight. The return spring 106 simultaneously pulls the screening box 2 down, providing cushioning and causing the screening box 2 to vibrate, thus initially separating the water and coal. In the first step of separation, large coal particles remain on the screening box 2, while water and coal fall into the pipeline and are transported to the conveyor belt 3. At the same time, the solenoid valve is opened, and the piston rod of the cylinder 504 is activated to drive the slider 502 to move up and down, thereby synchronously adjusting the position of the roller 503. By adjusting the distance between the roller 503 and the filter cloth 4, more precise adjustment can be achieved to meet the filtration requirements of different coal particle sizes. When the distance between multiple rollers 503 and the filter cloth 4 gradually decreases, the coal is squeezed into the space between the roller 503 and the filter cloth 4 for further separation. Water falls through the pores of the filter cloth 4 into the collection box 6 below. After being inclined inside, the water flows into the water outlet pipe 7 under its own gravity and is discharged, thus effectively removing the coal and water.

[0035] Example 2: Please refer to Figure 3 Based on Example 1, it also has the following structure:

[0036] A baffle 8 is connected to one end of the conveyor belt 3 corresponding to the discharge pipe. Fixed plates are connected to both sides of the baffle 8, and these fixed plates are respectively connected to the frame at the front and rear ends. The baffle 8 is designed to correspond to the width of the filter cloth 4, with its bottom end abutting against the filter cloth 4. When the discharge pipe discharges the initially separated water and coal, the baffle 8 prevents coal from falling. When the conveyor belt 3 starts operating, the baffle 8 moves accordingly, scraping off coal particles adhering to the surface of the filter cloth 4 through its bottom end, thus keeping the filter cloth 4 clean. This design effectively prevents coal accumulation on the surface of the filter cloth 4, ensuring the continuity and efficiency of the filtration process, reducing maintenance workload, and improving the system's reliability.

[0037] The above description is merely an embodiment of this utility model, and common knowledge regarding specific structures and characteristics is not described in detail here. It will be apparent to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this utility model is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A coal-water separation device, characterized in that: The device includes a vibrating device (1), a screening box (2), a conveyor belt (3), a filter cloth (4), and a pressing device (5). The vibrating devices (1) are symmetrically arranged on the front and rear ends of the screening box (2). The screening box (2) is connected between the vibrating devices (1). A conveyor belt (3) is provided at one end of the screening box (2). A filter cloth (4) is wound on the conveyor belt (3). A discharge pipe is connected to the bottom end of the screening box (2). The other end of the discharge pipe is located at the top end of the conveyor belt (3). Several pressing devices (5) are evenly distributed on the conveyor belt (3). The vibration device (1) includes a drive shaft (101), a guide wheel (102), a connecting rod (103), a connecting frame (104), a sleeve (105), and a return spring (106). The drive shaft (101) is symmetrical about the left and right ends of the screening box (2), and bearing seats are connected to the drive shaft (101) on the left and right sides respectively. The input end of any one of the drive shafts (101) is connected to the output end of the drive motor. Guide wheels (102) are connected to the corresponding end faces of the drive shafts (101). The guide wheels (102) are connected to each other by an eccentrically set rotating shaft. A connecting rod (103) is connected to the outer circumference of the rotating shaft. A connecting frame (104) is hinged to the other end of the connecting rod (103). A vertically set sliding rod is provided at the top of the connecting frame (104). A sleeve (105) is sleeved on the outside of the sliding rod, and the sliding rod slides in fit with the sleeve (105). The top of the sleeve (105) is connected to the screening box (2). Return springs (106) are provided on the left and right sides of the sleeve (105). One end of the return spring (106) is connected to the screening box (2), and the other end is connected to the top of the bearing seat. The pressing device (5) includes a housing (501), a slider (502), a roller (503), and a cylinder (504). The housing (501) is symmetrically arranged on the front and rear end frames of the conveyor belt (3). A sliding groove is provided on the housing (501), and a slider (502) is provided in the sliding groove and slides in the housing (501). The top of the housing (501) is connected to the cylinder (504). The piston rod of the cylinder (504) passes through the through hole at the top of the housing (501) and is connected to the slider (502). The two sliders (502) at the front and rear ends are connected by the roller (503). The outer circumference of the roller (503) abuts against the filter cloth (4).

2. The coal-water separation device according to claim 1, characterized in that: The conveyor belt (3) is connected to a baffle (8) at one end of the discharge pipe. The baffle (8) is connected to a fixing plate at both ends. The fixing plates are respectively connected to the frame at the front and rear ends. The baffle (8) is set to the width of the filter cloth (4), and the bottom end abuts against the filter cloth (4).

3. The coal-water separation device according to claim 1, characterized in that: The contact ends of the roller (503) and the slider (502) are respectively connected to bearing seats.

4. The coal-water separation device according to claim 1, characterized in that: The bottom end of the conveyor belt (3) is provided with a collection box (6), and the four corners of the bottom end of the collection box (6) are connected to a support frame. The support frame is in contact with the ground, and the end of the collection box (6) away from the discharge pipe is connected to a water outlet pipe (7).

5. The coal-water separation device according to claim 1, characterized in that: The input end of the drive roller of the conveyor belt (3) is connected to the output end of the drive motor.

6. The coal-water separation device according to claim 1, characterized in that: The cylinder (504) is connected to an air inlet pipe and an air outlet pipe, which are respectively connected to an external air source. Solenoid valves are respectively connected to the air inlet pipe and the air outlet pipe.

7. The coal-water separation device according to claim 1, characterized in that: A screening screen is installed on the screening box (2).

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