Coal washing flotation equipment

Abstract

The utility model provides coal washing flotation equipment, and relates to the technical field of coal washing flotation. A mounting frame is mounted on the box body through a bolt, a three-way valve is fixed on the mounting frame, a liquid adding hopper is fixed at the upper end of the three-way valve, a liquid outlet pipe is fixed on the three-way valve, a rotating rod is fixed on a valve core in the three-way valve, and a locking block is locked on the rotating rod through a bolt; the three-way valve structure is adopted and matched with the first hydraulic rod to control the valve element to rotate, the adding path and flow of chemicals can be accurately adjusted, chemical waste is avoided, the production cost is effectively reduced, meanwhile, it is ensured that the chemicals and coal slurry can be mixed according to the accurate proportion, and the flotation effect and the clean coal recovery rate are greatly improved; the barrel, the push rod, the related sliding plate, the rail rod, the second hydraulic rod and other components arranged on the mounting frame work cooperatively, so that uniform dispersion of the reagent in the coal slurry can be further promoted, the flotation separation precision and thoroughness are improved, and the stability of the clean coal product quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coal washing and flotation technical field especially relates to a coal washing and flotation equipment. BACKGROUND

[0002] Coal washing and flotation generally refers to the process of removing gangue or other impurities from coal, and is generally carried out by utilizing the different physical properties of coal and gangue, separating coal and gangue (impurities) in media of different densities or characteristics. The utility model is a coal washing and flotation equipment.

[0003] Traditional coal washing and flotation equipment has many deficiencies in the addition of flotation reagents. For example, the addition amount of reagents is difficult to control accurately, often relying on manual experience, which not only easily causes reagent waste, increases production cost, but also may affect the flotation effect due to the imbalance of reagent proportion, reduces the clean coal recovery rate, and the treatment of foam generated after flotation is not perfect, the foam breaks down not in time, easily accumulates in the equipment, affects the normal operation of the equipment, and may cause subsequent pipeline blockage and other problems. SUMMARY

[0004] The disclosed embodiments relate to a coal washing and flotation equipment to solve the problem that the addition amount of reagents cannot be accurately controlled when using traditional coal washing and flotation equipment, and the foam breaks down not in time, easily accumulates in the equipment, and affects the normal operation of the equipment.

[0005] The first aspect of the present disclosure provides a coal washing and flotation equipment, specifically comprising: a box body;

[0006] The lower end of the box body is provided with four groups of foot bolts, and the upper end of the box body is provided with a mounting frame by bolts, a three-way valve is fixed on the mounting frame, a liquid adding hopper is fixed on the upper end of the three-way valve, and a liquid outlet pipe is fixed on the three-way valve, a rotating rod is fixed on the valve core inside the three-way valve, a locking block is locked on the rotating rod by bolts, a first hydraulic rod is arranged between the locking block and the mounting frame, a cylinder is fixed on the mounting frame, a push rod is movably arranged in the cylinder, the push rod is sealingly connected with the inner wall of the cylinder, a first plate and a second plate are fixed on the mounting frame, a rail is fixed between the first plate and the second plate, a sliding plate is slidably arranged on the rail, a second hydraulic rod is arranged on the second plate by bolts, the piston rod of the second hydraulic rod is fixedly connected with the sliding plate, and the right end of the push rod is fixedly connected with the sliding plate.

[0007] In at least some embodiments,

[0008] The rear end of the box body 1 is connected with a grouting pipe 12 and an air pipe 16, the upper end of the box body 1 is fixedly connected with a top plate 13, the lower end of the top plate 13 is welded with a circular pipe 131, the lower end of the circular pipe 131 is provided with a bottom pipe 132 by bolts, the lower end of the bottom pipe 132 is annularly arranged with a flow divider 1321, and the air pipe 16 is connected with the bottom pipe 132.

[0009] In at least some embodiments,

[0010] The inside of the circular pipe is provided with a rotating column through a bearing, the lower end of the rotating column is fixed with an agitating wheel, the upper end of the rotating column is fixed with a belt pulley, a connecting pipe is connected to the bottom pipe, the upper end of the connecting pipe is communicated with a liquid outlet pipe, and a support is mounted on the top plate through bolts.

[0011] In at least some embodiments,

[0012] The support is a hollow structure, a motor base is mounted on the top plate through bolts, a first motor is mounted on the motor base through bolts, a belt pulley is fixed on the output shaft of the first motor, and a belt is connected between the belt pulley on the output shaft of the first motor and the belt pulley at the upper end of the rotating column.

[0013] In at least some embodiments,

[0014] The right side of the box body is provided with a through slot, a foam box is mounted on the right side of the box body through bolts, a gearbox is mounted on the rear end of the foam box through bolts, and a second motor is mounted on the gearbox through bolts.

[0015] In at least some embodiments,

[0016] Two groups of fixing frames are fixed in the foam box, a piercing roller is mounted between the two groups of fixing frames through a bearing, the rotating shaft of the piercing roller close to the right side of the foam box is connected with the output shaft of the gearbox, and the two groups of piercing rollers are meshed through gears.

[0017] In at least some embodiments,

[0018] Two groups of supports are mounted on the inner wall of the right side of the box body through bolts, a conveying frame is fixed between the two groups of supports, two groups of rollers are mounted on the conveying frame through bearings, a conveying belt is mounted between the two groups of rollers, a filter plate is fixed on the conveying belt, a third motor is mounted on the conveying frame through bolts, and the output shaft of the third motor is connected with the roller close to the right side of the conveying frame.

[0019] The coal washing flotation equipment has the following beneficial effects:

[0020] In the utility model, the three-way valve structure is adopted and cooperates with the first hydraulic rod control valve core rotation, can accurately adjust the adding path and flow of reagent, avoids reagent waste, effectively reduces production cost, simultaneously ensures that reagent and coal slurry can mix according to accurate proportion, greatly improves flotation effect and clean coal recovery rate, the cylinder, push rod and relevant sliding plate, rail and second hydraulic rod and other components arranged on the mounting frame work cooperatively, can further promote the uniform dispersion of reagent in coal slurry, makes every coal particle have greater opportunity to contact with reagent fully, thereby improving the accuracy and thoroughness of flotation separation, and guaranteeing the stability of clean coal product quality.

[0021] Furthermore, in this invention, the rotating column driven by a motor inside the circular tube drives the agitator to rotate, which can effectively control the number and size of bubbles generated, making the bubble distribution more uniform. Appropriately sized and uniformly distributed bubbles can more efficiently lift clean coal particles, significantly improving flotation efficiency and reducing the waste of coal resources. The connecting pipe connects the liquid outlet pipe to the bottom pipe, allowing the reagent and gas to better combine and generate bubbles at the bottom pipe. This structure optimizes the environment and conditions for bubble formation, further enhancing the separation effect of coal and impurities during the flotation process and improving the purity of clean coal.

[0022] Furthermore, in this invention, the puncturing roller installed inside the foam box is driven by a gearbox and a second electric motor, which can promptly and effectively puncture the foam generated by flotation and prevent foam from accumulating inside the equipment. This not only avoids equipment failures caused by foam accumulation, such as pipe blockage, but also helps to maintain smooth operation inside the equipment and reduce downtime and maintenance time and costs. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0024] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0025] In the attached diagram:

[0026] Figure 1 A schematic diagram of the overall front structure of this application is shown;

[0027] Figure 2 A schematic diagram of the overall rear structure of this application is shown;

[0028] Figure 3 A schematic diagram of the puncture roller of this application is shown;

[0029] Figure 4 A schematic diagram of the structure at the lower end of the top plate of this application is shown;

[0030] Figure 5 This application shows Figure 4 A magnified structural diagram of part A in the middle;

[0031] Figure 6 This application shows Figure 4 A magnified structural diagram of part B in the middle section;

[0032] Figure 7 A schematic diagram of the mounting bracket of this application is shown;

[0033] Figure 8An enlarged structural schematic view of part C in the present application is shown. Figure 7 An enlarged structural schematic view of part C in the present application is shown.

[0034] Figure 9 An enlarged structural schematic view of part D in the present application is shown. Figure 7 An enlarged structural schematic view of part D in the present application is shown.

[0035] List of reference signs

[0036] 1, box; 11, foot; 12, grouting pipe; 13, top plate; 131, round pipe; 132, bottom pipe; 1321, flow dividing plate; 1322, connecting pipe; 133, rotating column; 1331, stirring wheel; 134, support; 135, motor base; 1351, No. 1 motor; 14, foam box; 141, gearbox; 1411, No. 2 motor; 142, fixing frame; 1421, piercing roller; 15, support; 151, conveying frame; 1511, No. 3 motor; 1512, conveying belt; 1513, filter plate; 16, aeration pipe;

[0037] 2, mounting frame; 21, three-way valve; 211, rotating rod; 212, locking block; 213, No. 1 hydraulic rod; 214, liquid outlet pipe; 215, cylinder; 216, push rod; 23, No. 1 plate; 24, No. 2 plate; 241, No. 2 hydraulic rod; 25, rail rod; 251, sliding plate; 22, liquid adding hopper. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0039] Embodiment one: please refer to Figures 1 to 9 :

[0040] The utility model provides a coal washing flotation equipment, include: box 1,

[0041] The lower end of the box 1 is bolted with four groups of foot 11, the box 1 is bolted with mounting rack 2, the mounting rack 2 is fixed with three-way valve 21, the upper end of the three-way valve 21 is fixed with liquid adding hopper 22, and the three-way valve 21 is fixed with liquid outlet pipe 214, the valve core in the three-way valve 21 is fixed with rotating rod 211, the rotating rod 211 is bolted with locking block 212, a first hydraulic rod 213 is installed between the locking block 212 and the mounting rack 2, the mounting rack 2 is fixed with cylinder 215, the cylinder 215 is movably provided with push rod 216, the push rod 216 is sealingly connected with the inner wall of the cylinder 215, the mounting rack 2 is fixed with first plate 23 and second plate 24, the first plate 23 and the second plate 24 are fixed with rail 25, the rail 25 is slidably provided with sliding plate 251, the second plate 24 is bolted with second hydraulic rod 241, the piston rod of the second hydraulic rod 241 is fixedly connected with the sliding plate 251, and the right end of the push rod 216 is fixedly connected with the sliding plate 251.

[0042] In the embodiments of the present disclosure,

[0043] The rear end of the box 1 is connected with grouting pipe 12 and air pipe 16, the upper end of the box 1 is fixed with top plate 13, the lower end of the top plate 13 is welded with circular pipe 131, the lower end of the circular pipe 131 is bolted with bottom pipe 132, the lower end of the bottom pipe 132 is annularly arrayed with flow divider 1321, the air pipe 16 is connected with the bottom pipe 132, the inside of the circular pipe 131 is rotatably installed with rotating column 133 through bearing, the lower end of the rotating column 133 is fixed with stirring wheel 1331, the upper end of the rotating column 133 is fixed with belt pulley, the bottom pipe 132 is connected with connecting pipe 1322, the upper end of the connecting pipe 1322 is connected with the liquid outlet pipe 214, the top plate 13 is bolted with support 134, the support 134 is a hollow structure, the top plate 13 is bolted with motor base 135, the motor base 135 is bolted with first motor 1351, the output shaft of the first motor 1351 is fixed with belt pulley, and the belt pulley on the output shaft of the first motor 1351 is connected with the belt pulley on the upper end of the rotating column 133 through belt, which functions as: running the first motor 1351 to drive the rotating column 133 to rotate through the belt, so that the stirring wheel 1331 at the lower end of the rotating column 133 rotates, which can effectively control the number and size of bubbles, and make the bubbles more evenly distributed.

[0044] In the embodiments of the present disclosure,

[0045] The right side of the box body 1 is provided with a through slot, the right side of the box body 1 is provided with a foam box 14 through bolt mounting, the rear end of the foam box 14 is provided with a gearbox 141 through bolt mounting, the gearbox 141 is provided with a second motor 1411 through bolt mounting, the foam box 14 is internally provided with two groups of fixing frames 142, the two groups of fixing frames 142 are provided with a piercing roller 1421 through bearing mounting, the rotating shaft of the piercing roller 1421 close to the right side of the foam box 14 is connected with the output shaft of the gearbox 141, and the two groups of piercing rollers 1421 are meshed through gears, which has the effect that the second motor 1411 is operated to drive the two groups of piercing rollers 1421 to rotate, so that the foam generated in the flotation can be effectively broken in time, and the foam is prevented from accumulating in the equipment.

[0046] In example three, on the basis of example one and example two,

[0047] The inner wall of the right side of the box body 1 is provided with two groups of supports 15 through bolt mounting, the two groups of supports 15 are fixedly provided with a conveying frame 151, the conveying frame 151 is provided with two groups of rollers through bearing mounting, the two groups of rollers are provided with a conveying belt 1512 through mounting, the conveying belt 1512 is fixedly provided with a filter plate 1513, the conveying frame 151 is provided with a third motor 1511 through bolt mounting, the output shaft of the third motor 1511 is connected with the roller close to the right side of the conveying frame 151, which has the effect that the third motor 1511 is operated to drive the conveying belt 1512 to run, and the gas bubbles on the slurry are transported and dewatered through the filter plate 1513 on the conveying belt 1512.

[0048] The working principle of the embodiment is as follows: in use, the ore slurry is added into the box body 1 through the grouting pipe 12, the telescopic first hydraulic rod 213 drives the three-way valve 21 to connect the liquid adding hopper 22 with the cylinder 215, so that the flotation reagent in the hopper enters into the cylinder 215, the telescopic first hydraulic rod 213 drives the three-way valve 21 to connect the cylinder 215 with the liquid outlet pipe 214, the telescopic second hydraulic rod 241 drives the push rod 216 to push the flotation reagent in the cylinder 215 into the box body 1, the first motor 1351 is operated to drive the rotating column 133 to rotate through the belt, the stirring wheel 1331 at the lower end of the rotating column 133 rotates, the number and size of the gas bubbles can be effectively controlled, the distribution of the gas bubbles is more uniform, the air is introduced into the box body 1 through the air inlet pipe 16, when the air is introduced into the ore slurry to form the gas bubbles, because the hydrophobicity of the coal particles is enhanced after the surface of the coal particles is treated by the collecting agent, the coal particles will be attached to the gas bubbles, and the hydrophilic gangue particles remain in the ore slurry, with the gas bubbles floating to the surface of the ore slurry, a foam layer is formed, the foam layer carries a large amount of coal particles, the third motor 1511 is operated to drive the conveying belt 1512 to run, the gas bubbles on the slurry are transported and dewatered through the filter plate 1513 on the conveying belt 1512, the second motor 1411 is operated to drive the two groups of piercing rollers 1421 to rotate, so that the foam generated in the flotation can be effectively broken in time, and the foam is prevented from accumulating in the equipment, finally, the flotation clean coal is obtained.

[0049] In this document, the following points need to be noted:

[0050] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0051] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.

[0052] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure.

Claims

1. A coal washing flotation plant comprising: The utility model discloses a box (1), its characterized in that, The lower end of the box (1) is provided with four groups of foot bolts (11), the box (1) is provided with a mounting rack (2) through bolts, the mounting rack (2) is fixed with a three-way valve (21), the upper end of the three-way valve (21) is fixed with a liquid adding hopper (22), and the three-way valve (21) is fixed with a liquid outlet pipe (214), the valve core in the three-way valve (21) is fixed with a rotating rod (211), the rotating rod (211) is locked with a locking block (212) through bolts, a first hydraulic rod (213) is arranged between the locking block (212) and the mounting rack (2), the mounting rack (2) is fixed with a cylinder (215), the cylinder (215) is movably provided with a push rod (216), the push rod (216) is sealingly connected with the inner wall of the cylinder (215), the mounting rack (2) is fixed with a first plate (23) and a second plate (24), the first plate (23) and the second plate (24) are fixed with a rail (25), the rail (25) is slidably provided with a sliding plate (251), the second plate (24) is provided with a second hydraulic rod (241) through bolts, the piston rod of the second hydraulic rod (241) is fixedly connected with the sliding plate (251), and the right end of the push rod (216) is fixedly connected with the sliding plate (251).

2. The coal washing flotation device according to claim 1, wherein The rear end of the box (1) is connected with a grouting pipe (12) and an air adding pipe (16), the upper end of the box (1) is fixed with a top plate (13), the lower end of the top plate (13) is welded with a circular pipe (131), the lower end of the circular pipe (131) is provided with a bottom pipe (132) through bolts, the lower end of the bottom pipe (132) is annularly arranged with a flow dividing plate (1321), and the air adding pipe (16) is communicated with the bottom pipe (132).

3. The coal washing flotation device according to claim 2, wherein The inside of the circular pipe (131) is provided with a rotating column (133) through a bearing, the lower end of the rotating column (133) is fixed with an agitating wheel (1331), the upper end of the rotating column (133) is fixed with a belt pulley, the bottom pipe (132) is connected with a connecting pipe (1322), the upper end of the connecting pipe (1322) is communicated with the liquid outlet pipe (214), and the top plate (13) is provided with a support (134) through bolts.

4. The coal washing flotation device according to claim 3, wherein The support (134) is a hollow structure, the top plate (13) is provided with a motor base (135) through bolts, the motor base (135) is provided with a first motor (1351) through bolts, the output shaft of the first motor (1351) is fixed with a belt pulley, and the belt pulley on the output shaft of the first motor (1351) is connected with the belt pulley on the upper end of the rotating column (133) through a belt.

5. The coal washing flotation device according to claim 2, wherein The right side of the box (1) is provided with a through slot, the right side of the box (1) is provided with a foam box (14) through bolts, the rear end of the foam box (14) is provided with a gearbox (141) through bolts, the gearbox (141) is provided with a second motor (1411) through bolts.

6. The coal washing flotation device according to claim 5, characterized in that, The foam box (14) is fixed with two groups of fixed frame (142), two groups of fixed frame (142) are installed with a puncture roller (1421) through bearing, the rotation shaft of the puncture roller (1421) near the right side of the foam box (14) is connected with the output shaft of the gearbox (141), and the two groups of puncture roller (1421) are connected through gear meshing.

7. The coal washing flotation device according to claim 5, characterized in that, The inner wall of the right side of the box (1) is provided with two groups of support (15) through bolts, two groups of support (15) are fixed with a conveying frame (151), the conveying frame (151) is provided with two groups of rollers through bearing, two groups of rollers are provided with a conveying belt (1512), the conveying belt (1512) is fixed with a filter plate (1513), the conveying frame (151) is provided with a third motor (1511) through bolts, the output shaft of the third motor (1511) is connected with the roller near the right side of the conveying frame (151).

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