Coal washing wastewater purification treatment device and use method thereof

Abstract

The invention discloses a coal washing wastewater purification treatment device and a method of using the same, belonging to the technical field of wastewater treatment equipment, wherein a coagulant cylinder is arranged above the wastewater cylinder, an adjustment mechanism is arranged on the first connecting pipe, a stirring mechanism is arranged inside the wastewater cylinder, the liquid outlet end of the wastewater cylinder is connected to the inlet end of the drain pipe, a support frame connected to the wastewater cylinder is arranged at the bottom, a treatment pool is arranged at the bottom of the support frame, a second slag discharge hole on the support frame is connected to the treatment pool, a filter plate is arranged in the treatment pool, and an extrusion mechanism is arranged inside the connecting cylinder. The invention can reasonably control the amount of coagulant added in the coagulant cylinder according to the liquid level height of the coal washing wastewater in the wastewater cylinder, the stirring rod fully stirs the coagulant and the coal washing wastewater, and has the advantage of good purification effect, and the floccules are transported by the conveyor belt while the first pressing wheel, the second pressing wheel and the third pressing wheel squeeze the floccules and discharge them, so as to facilitate the collection of the floccules.

Description

Technical Field

[0001] The invention belongs to the technical field of wastewater treatment equipment, and specifically relates to a coal washing wastewater purification treatment device and a use method thereof. Background Art

[0002] Coal washing wastewater is the wastewater generated during the raw coal washing and processing process. Its main pollutants are coal and mudstone powders and suspended matter formed after their hydrolysis, as well as a small amount of metal ions and organic agents. Direct discharge will cause serious pollution to the environment, so coal washing wastewater needs to be purified.

[0003] The purification of coal washing wastewater is usually to add coal wastewater to a coal wastewater purification device, and then add a coagulant and stir it to make the coal washing wastewater and the residue of the coagulant contact and collide with each other so as to form a flocculent with a harder texture, so that the coal washing wastewater can be quickly settled and separated. The existing purification device requires manual addition of a coagulant according to the amount of coal washing wastewater, so there is an urgent need for a coal washing wastewater purification device that can automatically control the amount of coagulant added. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the disadvantages of the above-mentioned prior art and provide a coal washing wastewater purification treatment device which can automatically control the amount of coagulant added and has good purification effect, and a method for using the same.

[0005] The technical solution adopted to solve the above technical problems is: coal washing wastewater is added to the wastewater cylinder, a coagulant cylinder is arranged above the wastewater cylinder, a coagulant is added to the coagulant cylinder, the outlet end of the coagulant cylinder is connected to the inlet end of the wastewater cylinder through a first connecting pipe, the first connecting pipe is provided with a regulating mechanism for controlling the flow rate of the coagulant in the coagulant cylinder into the wastewater cylinder, a stirring mechanism is arranged inside the wastewater cylinder, the liquid outlet end of the wastewater cylinder is connected to the inlet end of the drain pipe, first slag discharge holes are respectively processed on both sides of the bottom of the wastewater cylinder, third fixing plates are respectively fixedly installed on both sides of the bottom of the wastewater cylinder, and each third fixing plate is fixedly installed on both sides of the bottom of the wastewater cylinder. The fixed plates are connected to the baffles through the third springs respectively, the baffles cover below the first slag discharge hole, a pushing mechanism for pushing the baffle to move in the third fixed plate is arranged on the wastewater cylinder, the pushing mechanism is connected to the stirring mechanism, a supporting frame interconnected with the wastewater cylinder is arranged at the bottom, a treatment tank is arranged at the bottom of the supporting frame, the second slag discharge hole on the supporting frame is interconnected with the treatment tank, a filter plate is arranged in the treatment tank, a first outlet end of the treatment tank is interconnected with the drain pipe through the second connecting pipe, the second outlet end of the treatment tank is interconnected with the connecting cylinder, and an extrusion mechanism for extruding flocculants is arranged in the connecting cylinder.

[0006] Furthermore, the regulating mechanism is as follows: a first connecting shaft is evenly installed in the waste water cylinder along the vertical direction, and a liquid level sensor for detecting the liquid level of coal washing waste water in the waste water cylinder is respectively arranged on the first connecting shaft, a first motor is arranged on the first connecting shaft, and a first gear is arranged at one end of the first connecting shaft. A fixing frame is evenly installed in the vertical direction on the outer wall of the waste water cylinder, and a rack meshing with the first gear is slidably connected to the fixing frame in the vertical direction. A first fixing plate is arranged on the fixing frame, and the first fixing plate is connected to the rack through a first spring, and the rack is connected to one end of a rope, and the rope is sequentially connected to a third pulley, a second pulley, and a first pulley rotatably installed on the waste water cylinder, a second fixing plate is fixedly installed on the waste water cylinder, a first slide plate is slidably connected to the waste water cylinder, and a first A slide plate is connected to the second fixed plate through a second spring, and the other end of the rope is connected to the first slide plate. A connecting plate is provided on the first slide plate, and a sliding hole is processed on the connecting plate. A second gear and a third gear that are meshed with each other are rotatably installed on the waste water cylinder, and the second eccentric shaft on the second gear is slidably connected to the sliding hole, and the first eccentric shaft on the third gear is fixedly connected to the first connecting rod, the first connecting rod is rotatably connected to the second connecting rod, and multiple second connecting rods are rotatably connected to each other, a second connecting ring is provided on the outer circumference of the first connecting tube, and multiple sliding blocks are slidably connected in the sliding groove on the second connecting ring, each second connecting rod is rotatably connected to the sliding block, each second connecting rod is respectively rotatably connected to the sliding block, each second connecting rod is respectively provided with a first connecting ring, and each first connecting ring is respectively provided with a baffle located in the extrusion mechanism.

[0007] Furthermore, a resistance rod is arranged on the top of the rack, and a warning light is arranged on the outer side wall of the waste water tank, and the switch of the warning light is in resistance with the resistance rod.

[0008] Furthermore, the stirring mechanism is as follows: a turntable is rotatably installed inside the wastewater barrel, a stirring rod is arranged at the bottom of the turntable, a second motor is arranged at the top of the wastewater barrel to drive the eighth gear to rotate, a second meshing rod is evenly arranged on a quarter of the outer circumference of the top of the eighth gear, a ninth gear, a seventh gear, a fifth gear, and a third connecting shaft are rotatably installed on the top of the wastewater barrel, the seventh gear is meshed with the eighth gear for transmission, a first meshing rod is evenly arranged on a quarter of the outer circumference of the top of the seventh gear, the second meshing rod and the first meshing rod are meshed with the ninth gear for transmission in turn, the ninth gear is fixedly connected to the sixth gear, the shaft on the ninth gear is fixedly connected to the turntable, the sixth gear is meshed with the fifth gear for transmission, the fifth gear is meshed with the fourth gear for transmission, the fourth gear is fixedly connected to the third connecting shaft, and a second bevel gear connected to the pushing mechanism is arranged at the bottom of the third connecting shaft.

[0009] Furthermore, the pushing mechanism is as follows: a screw is rotatably installed on the waste water cylinder, one end of the screw is provided with a first bevel gear meshing with the second bevel gear, the screw is threadedly connected to the second slide plate, the second slide plate is connected to the push plate through the second connecting shaft, and the push plate contacts the two baffles respectively.

[0010] Furthermore, a filter screen is provided at the liquid outlet end of the waste water cylinder.

[0011] Furthermore, the extrusion mechanism is as follows: a third motor for driving the eleventh gear to rotate is provided on the connecting cylinder, a first pressure wheel, a second pressure wheel and a third pressure wheel are rotatably installed on the connecting cylinder, the eleventh gear is fixedly connected to the first pressure wheel, the first pressure wheel, the second pressure wheel and the third pressure wheel are connected via a belt transmission, a second conveying roller and a first conveying roller located below the first pressure wheel are rotatably installed on the connecting cylinder, the second conveying roller is fixedly connected to the tenth gear, the tenth gear is meshed with the eleventh gear for transmission, and the second conveying roller and the first conveying roller are connected via a conveyor belt transmission.

[0012] A method for using a coal washing wastewater purification treatment device comprises the following steps:

[0013] S1, add coal washing wastewater to the wastewater cylinder, add coagulant to the coagulant cylinder, when the liquid level of the coal washing wastewater in the wastewater cylinder increases, the liquid level sensor on the first connecting shaft converts the received liquid level information into an electrical signal and sends it to the controller, the controller controls the first motor on the corresponding first connecting shaft to start, the output shaft of the first motor drives the first connecting shaft to rotate, the first connecting shaft drives the first gear to rotate, the first gear drives the rack to move in the vertical direction on the fixed frame, the conflicting rod on the rack conflicts with the switch, the prompt light turns on to prompt the liquid level in the wastewater cylinder, the rack drives the first slide plate to move through the rope, the first slide plate drives the connecting plate to move, the second eccentric shaft slides in the sliding hole in the connecting plate, drives the second gear to rotate, the second gear drives the first connecting rod to move through the third gear and the first eccentric shaft in turn, the first connecting rod drives the multiple second connecting rods connected in rotation to contract, the slider on each second connecting rod slides in the sliding groove of the second connecting ring, each second connecting rod drives the baffle to rotate through the first connecting ring, the multiple baffles are folded, and the coagulant in the coagulant cylinder enters the wastewater cylinder through the first connecting pipe;

[0014] S2, the coagulant and the coal washing wastewater react, the output shaft of the second motor drives the eighth gear to rotate, the eighth gear drives the seventh gear to rotate, the rotation direction of the eighth gear is opposite to that of the seventh gear, the second meshing rod on the eighth gear and the first meshing rod on the seventh gear drive the ninth gear to rotate in turn, the ninth gear drives the stirring rod to rotate clockwise or counterclockwise through the turntable, the stirring rod fully stirs the coagulant and the coal washing wastewater, the liquid enters the drain pipe through the filter screen and flows out, the ninth gear rotates through the sixth gear, the fifth gear, the fourth gear, the third connecting shaft, the second bevel gear, and the first bevel gear in turn, the first bevel gear drives the screw to rotate clockwise or counterclockwise, the second slide plate reciprocates horizontally on the screw rod, the second slide plate drives the push plate to move horizontally through the second connecting shaft, the push plate respectively contacts the baffles in the two third fixed plates, the two baffles are respectively separated from the first slag discharge hole at the bottom of the wastewater cylinder, the flocculated floccules enter the support frame through the first slag discharge hole, and enter the treatment tank through the second slag discharge hole of the support frame;

[0015] S3, the flocculated flocs in the treatment tank are filtered through the filter plate, the water in the flocs enters the drain pipe from the liquid space in the treatment tank through the second connecting pipe, and the flocs enter the connecting cylinder from the solid space in the treatment tank;

[0016] S4, the output shaft of the third motor in the connecting tube drives the eleventh gear to rotate, the eleventh gear drives the first pressure wheel to rotate, the first pressure wheel drives the second pressure wheel and the third pressure wheel to rotate through the belt, the eleventh gear drives the tenth gear to rotate, the tenth gear drives the second conveying roller to rotate, the second conveying roller drives the first conveying roller to rotate through the conveyor belt, and the flocculants are transported by the conveyor belt while the first pressure wheel, the second pressure wheel and the third pressure wheel squeeze the flocculants and discharge them.

[0017] The beneficial effects of the present invention are as follows: (1) The present invention adopts a liquid level sensor on the corresponding first connecting shaft in the wastewater barrel to convert the received liquid level information into an electrical signal and send it to the controller. The controller controls the first motor on the corresponding first connecting shaft to start, and the output shaft of the first motor drives the first connecting shaft, the first gear, the rack, the rope, the first slide plate, and the connecting plate to move in sequence. The second eccentric shaft slides in the sliding hole in the connecting plate to drive the second gear to rotate. The second gear drives multiple rotatably connected second connecting rods to contract in sequence through the third gear, the first eccentric shaft, and the first connecting rod. Each second connecting rod drives the baffle to rotate through the first connecting ring, and the multiple baffles are folded. The coagulant in the coagulant barrel enters the wastewater barrel through the first connecting pipe. The coagulant can form floccules with suspended matter such as coal in the coal washing wastewater. The present invention can reasonably control the amount of coagulant added in the coagulant barrel according to the liquid level height of the coal washing wastewater in the wastewater barrel.

[0018] (2) The present invention uses a method in which the flocculants in the wastewater barrel enter the support frame through the first slag discharge hole, and enter the treatment tank through the second slag discharge hole of the support frame. The condensed flocculants in the treatment tank are filtered through the filter plate, and the water in the flocculants enters the drain pipe through the second connecting pipe. The flocculants enter the connecting barrel, and the flocculants are transported by the conveyor belt while the first pressing wheel, the second pressing wheel and the third pressing wheel squeeze the flocculants and discharge them, which is convenient for collecting the flocculants and has the advantage of good purification effect.

[0019] (3) The present invention adopts a method in which the rotation direction of the eighth gear is opposite to that of the seventh gear. The second meshing rod on the eighth gear and the first meshing rod on the seventh gear drive the ninth gear to rotate in turn. The ninth gear drives the stirring rod to rotate clockwise or counterclockwise through the turntable. The stirring rod fully stirs the coagulant and the coal washing wastewater. At the same time, the second slide plate reciprocates horizontally on the screw rod. The second slide plate drives the push plate to move horizontally through the second connecting shaft. The push plate respectively contacts the baffles in the two third fixed plates. The baffle is separated from the first slag discharge hole. Therefore, the function of opening the first slag discharge hole can be realized while stirring. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of an embodiment of a coal washing wastewater purification treatment device of the present invention.

[0021] Figure 2 yes Figure 1 Schematic diagram of the structure from another angle.

[0022] Figure 3 It is a schematic diagram of the parts structure at the bottom of the wastewater cylinder.

[0023] Figure 4 yes Figure 3 Schematic diagram of the structure of the wastewater cylinder.

[0024] Figure 5 It is a schematic diagram of the structure of the baffle and the third spring.

[0025] Figure 6 It is a schematic diagram of the structure of the drainage pipe, treatment tank, support frame and connecting tube.

[0026] Figure 7 It is a structural diagram of the support frame.

[0027] Figure 8 yes Figure 6 Schematic diagram of some structures in .

[0028] Fig. 9 It is a structural diagram of the regulating mechanism.

[0029] Fig.10 yes Fig. 9 Schematic diagram of part of the structure.

[0030] Fig.11 yes Fig.10 Schematic diagram of part of the structure.

[0031] Fig.12 yes Fig.11 Schematic diagram of the structure from another angle.

[0032] Fig.13 yes Fig.11 Schematic diagram of some structures in .

[0033] Fig.14 yes Fig.13 Schematic diagram of some structures in .

[0034] Fig.15 It is a structural diagram of the pushing mechanism and the stirring mechanism.

[0035] Fig.16 yes Fig.15 Schematic diagram of some structures in .

[0036] Fig.17 yes Fig.16 The structural schematic diagram without the sixth gear.

[0037] Fig.18 It is a structural schematic diagram of the extrusion mechanism.

[0038] Fig.19 yes Fig.18 Schematic diagram of some structures in .

[0039] Figure numerals: 1, coagulant cylinder; 201, first motor; 202, first connecting shaft; 203, rope; 204, fixed frame; 205, first spring; 206, first fixed plate; 207, rack; 208, first gear; 209, warning light; 210, switch; 211, contact rod; 212, first slide plate; 213, second spring; 214, second fixed plate; 215, first pulley; 216, second pulley; 217, third pulley wheel; 218, first connecting rod; 219, first eccentric shaft; 220, connecting plate; 221, sliding hole; 222, second eccentric shaft; 223, second gear; 224, third gear; 225, blocking piece; 226, first connecting ring; 227, slider; 228, slide groove; 229, second connecting rod; 230, second connecting ring; 301, first bevel gear; 302, screw rod; 303, second slide plate; 304, second connecting shaft; 305, push rod plate; 401, fourth gear; 402, third connecting shaft; 403, second bevel gear; 404, stirring rod; 405, turntable; 406, fifth gear; 407, sixth gear; 408, seventh gear; 409, first meshing rod; 410, second motor; 411, eighth gear; 412, second meshing rod; 413, ninth gear; 5, waste water cylinder; 6, drain pipe; 7, treatment tank; 801, tenth gear; 802, third motor; 8 03, the eleventh gear; 804, the first pressure wheel; 805, the belt; 806, the second pressure wheel; 807, the third pressure wheel; 808, the conveyor belt; 809, the first conveyor roller; 810, the second conveyor roller; 9, the first connecting pipe; 10, the first slag discharge hole; 11, the filter screen; 12, the baffle; 13, the third fixed plate; 14, the third spring; 15, the second connecting pipe; 16, the support frame; 17, the second slag discharge hole; 18, the filter plate; 19, the connecting tube. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0041] like Figures 1 to 8 As shown, the coal washing wastewater purification treatment device of this embodiment is composed of a coagulant cylinder 1, an adjusting mechanism, a driving mechanism, a stirring mechanism, a wastewater cylinder 5, a drain pipe 6, a treatment tank 7, an extrusion mechanism, a first connecting pipe 9, a first slag outlet hole 10, a filter screen 11, a baffle 12, a third fixed plate 13, a third spring 14, a second connecting pipe 15, a support frame 16, a second slag outlet hole 17, a filter plate 18, and a connecting cylinder 19.

[0042] Coal washing wastewater is added to the wastewater barrel 5, and a coagulant barrel 1 is arranged above the wastewater barrel 5. Coagulant is added to the coagulant barrel 1. The outlet end of the coagulant barrel 1 is communicated with the inlet end of the wastewater barrel 5 through a first connecting pipe 9. The first connecting pipe 9 is provided with a regulating mechanism for controlling the flow rate of the coagulant in the coagulant barrel 1 flowing into the wastewater barrel 5. A stirring mechanism is arranged inside the wastewater barrel 5. The liquid outlet end of the wastewater barrel 5 is communicated with the inlet end of the drain pipe 6. A filter screen 11 is arranged at the liquid outlet end of the wastewater barrel 5. First slag discharge holes 10 are processed on both sides of the bottom of the wastewater barrel 5, and third fixed plates 13 are fixedly installed on both sides of the bottom of the wastewater barrel 5. Each third fixed plate 13 is connected to the baffle 12 through a third spring 14, and the baffle 12 covers the bottom of the first slag discharge hole 10. A pushing mechanism for pushing the baffle 12 to move in the third fixed plate 13 is provided on the wastewater barrel 5, and the pushing mechanism is connected to the stirring mechanism. A support frame 16 connected to the bottom of the wastewater barrel 5 is provided, and a treatment tank 7 is provided at the bottom of the support frame 16. The second slag discharge hole 17 on the support frame 16 is connected to the treatment tank 7, and a filter plate 18 is provided in the treatment tank 7. The first outlet end of the treatment tank 7 is connected to the drain pipe 6 through the second connecting pipe 15, and the second outlet end of the treatment tank 7 is connected to the connecting cylinder 19. An extrusion mechanism for extruding flocculants is provided in the connecting cylinder 19.

[0043] like Figures 9 to 14 As shown, the adjustment mechanism is composed of a first motor 201, a first connecting shaft 202, a rope 203, a fixing frame 204, a first spring 205, a first fixing plate 206, a rack 207, a first gear 208, a warning light 209, a switch 210, a contact rod 211, a first slide plate 212, a second spring 213, a second fixing plate 214, a first pulley 215, a second pulley 216, a third pulley 217, a first connecting rod 218, a first eccentric shaft 219, a connecting plate 220, a sliding hole 221, a second eccentric shaft 222, a second gear 223, a third gear 224, a baffle 225, a first connecting ring 226, a slider 227, a sliding groove 228, a second connecting rod 229, and a second connecting ring 230.

[0044] The regulating mechanism is as follows: a first connecting shaft 202 is evenly rotated inside the waste water cylinder 5 in the vertical direction, and a liquid level sensor for detecting the liquid level of the coal washing waste water in the waste water cylinder 5 is respectively arranged on the first connecting shaft 202, a first motor 201 is arranged on the first connecting shaft 202, and a first gear 208 is arranged at one end of the first connecting shaft 202, and a fixing frame 204 is evenly arranged on the outer wall of the waste water cylinder 5 in the vertical direction, and a fixing frame 204 is slidably connected in the vertical direction with a gear meshing with the first gear 208 The rack 207 of the transmission is provided, and the first fixed plate 206 is provided on the fixed frame 204. The first fixed plate 206 is connected to the rack 207 through the first spring 205. The rack 207 is connected to one end of the rope 203. The rope 203 is connected to the third pulley 217, the second pulley 216, and the first pulley 215 which are rotatably installed on the waste water barrel 5 in sequence. The second fixed plate 214 is fixedly installed on the waste water barrel 5. The first slide plate 212 is slidably connected to the waste water barrel 5. The first slide plate 212 is connected to the waste water barrel 5 through the second spring. 213 is connected to the second fixed plate 214, the other end of the rope 203 is connected to the first slide plate 212, a connecting plate 220 is provided on the first slide plate 212, a sliding hole 221 is processed on the connecting plate 220, a second gear 223 and a third gear 224 that mesh with each other are rotatably installed on the waste water cylinder 5, the second eccentric shaft 222 on the second gear 223 is slidably connected to the sliding hole 221, the first eccentric shaft 219 on the third gear 224 is fixedly connected to the first connecting rod 218, the first connecting rod 218 is rotatably connected to the second connecting rod 229, and multiple second connecting rods 229 are rotatably connected to each other, a second connecting ring 230 is provided on the outer circumference of the first connecting pipe 9, and multiple sliders 227 are slidably connected in the sliding groove 228 on the second connecting ring 230, each second connecting rod 229 is respectively rotatably connected to the slider 227, each second connecting rod 229 is respectively provided with a first connecting ring 226, and each first connecting ring 226 is respectively provided with a baffle 225 located in the extrusion mechanism.

[0045] A resisting rod 211 is disposed on the top of the rack 207 , and a warning light 209 is disposed on the outer side wall of the waste water barrel 5 . The switch 210 of the warning light 209 resists the resisting rod 211 .

[0046] like Fig.15 As shown, the pushing mechanism is composed of a first bevel gear 301, a screw rod 302, a second slide plate 303, a second connecting shaft 304, and a push plate 305.

[0047] The pushing mechanism is as follows: a screw rod 302 is rotatably installed on the waste water cylinder 5, one end of which is provided with a first bevel gear 301 meshing with the second bevel gear 403, the screw rod 302 is threadedly connected to the second slide plate 303, the second slide plate 303 is connected to the push plate 305 through the second connecting shaft 304, and the push plate 305 is in contact with the two baffles 12 respectively.

[0048] like Figures 15 to 17 As shown, the stirring mechanism is composed of a fourth gear 401, a third connecting shaft 402, a second bevel gear 403, a stirring rod 404, a turntable 405, a fifth gear 406, a sixth gear 407, a seventh gear 408, a first meshing rod 409, a second motor 410, an eighth gear 411, a second meshing rod 412, and a ninth gear 413.

[0049] The stirring mechanism is as follows: a rotating disk 405 is rotatably installed inside the waste water cylinder 5, a stirring rod 404 is arranged at the bottom of the rotating disk 405, a second motor 410 is arranged at the top of the waste water cylinder 5 to drive the eighth gear 411 to rotate, and a second meshing rod 412 is evenly arranged at the top quarter of the outer circumference of the eighth gear 411, a ninth gear 413, a seventh gear 408, a fifth gear 406, and a third connecting shaft 402 are rotatably installed at the top of the waste water cylinder 5, the seventh gear 408 is meshed with the eighth gear 411 for transmission, and the top quarter of the outer circumference of the seventh gear 408 is evenly arranged. The first meshing rod 409 is evenly arranged around the periphery, the second meshing rod 412 and the first meshing rod 409 are meshed with the ninth gear 413 in turn for transmission, the ninth gear 413 is fixedly connected to the sixth gear 407, the shaft on the ninth gear 413 is fixedly connected to the turntable 405, the sixth gear 407 is meshed with the fifth gear 406 for transmission, the fifth gear 406 is meshed with the fourth gear 401 for transmission, the fourth gear 401 is fixedly connected to the third connecting shaft 402, and a second bevel gear 403 connected to the pushing mechanism is arranged at the bottom of the third connecting shaft 402.

[0050] like Figure 18 to Figure 19 As shown, the extrusion mechanism is composed of the tenth gear 801, the third motor 802, the eleventh gear 803, the first pressure wheel 804, the belt 805, the second pressure wheel 806, the third pressure wheel 807, the conveyor belt 808, the first conveyor roller 809, and the second conveyor roller 810.

[0051] The extrusion mechanism is as follows: a third motor 802 for driving the eleventh gear 803 to rotate is arranged on the connecting cylinder 19; a first pressure wheel 804, a second pressure wheel 806 and a third pressure wheel 807 are rotatably mounted on the connecting cylinder 19; the eleventh gear 803 is fixedly connected to the first pressure wheel 804; the first pressure wheel 804, the second pressure wheel 806 and the third pressure wheel 807 are connected through a belt 805 for transmission; a second conveying roller 810 and a first conveying roller 809 located below the first pressure wheel 804 are rotatably mounted on the connecting cylinder 19; the second conveying roller 810 is fixedly connected to the tenth gear 801; the tenth gear 801 is meshed with the eleventh gear 803 for transmission; the second conveying roller 810 and the first conveying roller 809 are connected through a conveyor belt 808 for transmission.

[0052] A method for using a coal washing wastewater purification treatment device comprises the following steps:

[0053] S1, add coal washing wastewater into the wastewater barrel 5, add coagulant into the coagulant barrel 1, when the liquid level of the coal washing wastewater in the wastewater barrel 5 increases, the liquid level sensor on the first connecting shaft 202 converts the received liquid level information into an electrical signal and sends it to the controller, the controller controls the first motor 201 on the corresponding first connecting shaft 202 to start, the output shaft of the first motor 201 drives the first connecting shaft 202 to rotate, the first connecting shaft 202 drives the first gear 208 to rotate, the first gear 208 drives the rack 207 to move in the vertical direction on the fixed frame 204, the conflict rod 211 on the rack 207 conflicts with the switch 210, the warning light 209 turns on to indicate the liquid level in the wastewater barrel 5, and the rack 207 is driven by the rope 203 The first slide plate 212 is driven to move, the first slide plate 212 drives the connecting plate 220 to move, the second eccentric shaft 222 slides in the sliding hole 221 in the connecting plate 220, drives the second gear 223 to rotate, the second gear 223 drives the first connecting rod 218 to move through the third gear 224 and the first eccentric shaft 219 in turn, the first connecting rod 218 drives a plurality of rotatably connected second connecting rods 229 to contract, the slider 227 on each second connecting rod 229 slides in the sliding groove 228 of the second connecting ring 230, each second connecting rod 229 drives the baffle 225 to rotate through the first connecting ring 226, the plurality of baffles 225 are folded, and the coagulant in the coagulant cylinder 1 enters the wastewater cylinder 5 through the first connecting pipe 9;

[0054] S2, the coagulant and the coal washing wastewater react, the output shaft of the second motor 410 drives the eighth gear 411 to rotate, the eighth gear 411 drives the seventh gear 408 to rotate, the rotation direction of the eighth gear 411 is opposite to the rotation direction of the seventh gear 408, the second meshing rod 412 on the eighth gear 411 and the first meshing rod 409 on the seventh gear 408 drive the ninth gear 413 to rotate in turn, the ninth gear 413 drives the stirring rod 404 to rotate clockwise or counterclockwise through the turntable 405, the stirring rod 404 fully stirs the coagulant and the coal washing wastewater, the liquid enters the drain pipe 6 through the filter screen 11 and flows out, the ninth gear 413 passes through the sixth gear 4 07. The fifth gear 406, the fourth gear 401, the third connecting shaft 402, the second bevel gear 403, and the first bevel gear 301 rotate, the first bevel gear 301 drives the screw rod 302 to rotate clockwise or counterclockwise, the second slide plate 303 reciprocates horizontally on the screw rod 302, the second slide plate 303 drives the push plate 305 to move horizontally through the second connecting shaft 304, the push plate 305 respectively contacts the baffles 12 in the two third fixed plates 13, the two baffles 12 are respectively separated from the first slag discharge hole 10 at the bottom of the waste water barrel 5, and the condensed floccules enter the support frame 16 through the first slag discharge hole 10, and enter the treatment tank 7 through the second slag discharge hole 17 of the support frame 16;

[0055] S3, the flocculated flocs in the treatment tank 7 are filtered through the filter plate 18, the water in the flocs enters the drain pipe 6 through the second connecting pipe 15, and the flocs enter the connecting cylinder 19;

[0056] S4, the output shaft of the third motor 802 in the connecting tube 19 drives the eleventh gear 803 to rotate, the eleventh gear 803 drives the first pressure wheel 804 to rotate, the first pressure wheel 804 drives the second pressure wheel 806 and the third pressure wheel 807 to rotate through the belt 805, the eleventh gear 803 drives the tenth gear 801 to rotate, the tenth gear 801 drives the second conveying roller 810 to rotate, the second conveying roller 810 drives the first conveying roller 809 to rotate through the conveyor belt 808, and while the flocs are transported by the conveyor belt 808, the first pressure wheel 804, the second pressure wheel 806 and the third pressure wheel 807 squeeze the flocs and discharge them.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A coal washing wastewater purification treatment device, characterized in that: Coal washing wastewater is added to the wastewater cylinder (5), a coagulant cylinder (1) is arranged above the wastewater cylinder (5), a coagulant is added to the coagulant cylinder (1), the outlet end of the coagulant cylinder (1) is communicated with the inlet end of the wastewater cylinder (5) through a first connecting pipe (9), the first connecting pipe (9) is provided with a regulating mechanism for controlling the flow rate of the coagulant in the coagulant cylinder (1) into the wastewater cylinder (5), a stirring mechanism is arranged inside the wastewater cylinder (5), the liquid outlet end of the wastewater cylinder (5) is communicated with the inlet end of the drain pipe (6), first slag discharge holes (10) are respectively processed on both sides of the bottom of the wastewater cylinder (5), and third fixing plates (13) are respectively fixedly installed on both sides of the bottom of the wastewater cylinder (5), and each third fixing plate (13) is respectively connected to a baffle (12) through a third spring (14). ), the baffle (12) covers below the first slag discharge hole (10), a pushing mechanism for pushing the baffle (12) to move in the third fixed plate (13) is provided on the waste water cylinder (5), the pushing mechanism is connected to the stirring mechanism, a support frame (16) is provided at the bottom of the waste water cylinder (5) and is in communication with the support frame (16), a treatment pool (7) is provided at the bottom of the support frame (16), a second slag discharge hole (17) on the support frame (16) is in communication with the treatment pool (7), a filter plate (18) is provided in the treatment pool (7), a first outlet end of the treatment pool (7) is in communication with the drain pipe (6) through a second connecting pipe (15), a second outlet end of the treatment pool (7) is in communication with the connecting cylinder (19), and an extrusion mechanism for extruding flocculants is provided in the connecting cylinder (19); The regulating mechanism comprises: a first connecting shaft (202) is evenly mounted in a vertical direction in the waste water cylinder (5); a liquid level sensor for detecting the liquid level of coal washing waste water in the waste water cylinder (5) is arranged on the first connecting shaft (202); a first motor (201) is arranged on the first connecting shaft (202); a first gear (208) is arranged at one end of the first connecting shaft (202); a fixing frame (204) is evenly mounted in a vertical direction on the outer wall of the waste water cylinder (5); a gear meshing with the first gear (208) is slidably connected to the fixing frame (204) in a vertical direction; The fixing frame (204) is provided with a first fixing plate (206), the first fixing plate (206) is connected to the rack (207) through a first spring (205), the rack (207) is connected to one end of a rope (203), the rope (203) is sequentially connected to a third pulley (217), a second pulley (216), and a first pulley (215) rotatably mounted on the waste water barrel (5), a second fixing plate (214) is fixedly mounted on the waste water barrel (5), a first slide plate (212) is slidably connected to the waste water barrel (5), and the first slide plate (212) is rotatably mounted on the waste water barrel (5). (213) is connected to the second fixed plate (214), the other end of the rope (203) is connected to the first slide plate (212), a connecting plate (220) is provided on the first slide plate (212), a sliding hole (221) is processed on the connecting plate (220), a second gear (223) and a third gear (224) which are meshed and transmitted with each other are rotatably installed on the waste water cylinder (5), the second eccentric shaft (222) on the second gear (223) is slidably connected to the sliding hole (221), and the first eccentric shaft (219) on the third gear (224) is fixedly connected to the first connecting rod (218), The first connecting rod (218) is rotatably connected to the second connecting rod (229), and the multiple second connecting rods (229) are rotatably connected to each other. A second connecting ring (230) is provided on the outer circumference of the first connecting tube (9), and multiple sliders (227) are slidably connected in the sliding groove (228) on the second connecting ring (230). Each second connecting rod (229) is rotatably connected to the slider (227), and each second connecting rod (229) is provided with a first connecting ring (226), and each first connecting ring (226) is provided with a baffle (225) located in the extrusion mechanism.

2. The coal washing wastewater purification treatment device according to claim 1 is characterized in that: The top of the rack (207) is provided with a resistance rod (211), the outer side wall of the waste water barrel (5) is provided with a warning light (209), and the switch (210) of the warning light (209) is in resistance with the resistance rod (211).

3. The coal washing wastewater purification treatment device according to claim 1, characterized in that: The stirring mechanism comprises: a rotating disk (405) is rotatably installed inside the waste water cylinder (5), a stirring rod (404) is arranged at the bottom of the rotating disk (405), a second motor (410) is arranged at the top of the waste water cylinder (5) to drive the eighth gear (411) to rotate, a second meshing rod (412) is evenly arranged at the top quarter of the outer circumference of the eighth gear (411), a ninth gear (413), a seventh gear (408), a fifth gear (406), and a third connecting shaft (402) are rotatably installed at the top of the waste water cylinder (5), the seventh gear (408) is meshed with the eighth gear (411) for transmission, and the top quarter of the seventh gear (408) is uniformly arranged at the top quarter of the outer circumference of the eighth gear (411). The outer circumference is evenly provided with first meshing rods (409); the second meshing rod (412) and the first meshing rod (409) are meshed with the ninth gear (413) in turn for transmission; the ninth gear (413) is fixedly connected with the sixth gear (407); the shaft on the ninth gear (413) is fixedly connected with the rotating disk (405); the sixth gear (407) is meshed with the fifth gear (406) for transmission; the fifth gear (406) is meshed with the fourth gear (401) for transmission; the fourth gear (401) is fixedly connected with the third connecting shaft (402); and a second bevel gear (403) connected with the pushing mechanism is provided at the bottom of the third connecting shaft (402).

4. The coal washing wastewater purification treatment device according to claim 3 is characterized in that: The pushing mechanism comprises: a screw rod (302) is rotatably mounted on the waste water cylinder (5); one end of the screw rod (302) is provided with a first bevel gear (301) meshing with a second bevel gear (403); the screw rod (302) is threadedly connected to the second slide plate (303); the second slide plate (303) is connected to a push plate (305) via a second connecting shaft (304); and the push plate (305) is in contact with two baffles (12) respectively.

5. The coal washing wastewater purification treatment device according to claim 1 is characterized in that: The liquid outlet end of the waste water barrel (5) is provided with a filter screen (11).

6. The coal washing wastewater purification treatment device according to claim 1, characterized in that: The extrusion mechanism comprises: a third motor (802) for driving an eleventh gear (803) to rotate is arranged on the connecting cylinder (19); a first pressing wheel (804), a second pressing wheel (806) and a third pressing wheel (807) are rotatably mounted on the connecting cylinder (19); the eleventh gear (803) is fixedly connected to the first pressing wheel (804); the first pressing wheel (804), the second pressing wheel (806) and the third pressing wheel (807) are connected by a belt (805); a second conveying roller (810) and a first conveying roller (809) located below the first pressing wheel (804) are rotatably mounted on the connecting cylinder (19); the second conveying roller (810) is fixedly connected to the tenth gear (801); the tenth gear (801) and the eleventh gear (803) are meshed for transmission; the second conveying roller (810) and the first conveying roller (809) are connected by a conveyor belt (808).

7. A method for using the coal washing wastewater purification treatment device according to claim 1, characterized in that: The following steps are involved: S1, coal washing wastewater is added to the wastewater barrel (5), and coagulant is added to the coagulant barrel (1). When the liquid level of the coal washing wastewater in the wastewater barrel (5) increases, the liquid level sensor on the first connecting shaft (202) converts the received liquid level information into an electrical signal and sends it to the controller. The controller controls the first motor (201) on the corresponding first connecting shaft (202) to start, and the output shaft of the first motor (201) drives the first connecting shaft (202) to rotate. The first connecting shaft (202) drives the first gear (208) to rotate. The first gear (208) drives the rack (207) to move in a vertical direction on the fixed frame (204). The abutment rod (211) on the rack (207) abuts against the switch (210), and the warning light (209) turns on to indicate the liquid level in the wastewater barrel (5). The rack (207) drives the first gear (208) to rotate via the rope (203). The plate (212) moves, the first slide plate (212) drives the connecting plate (220) to move, the second eccentric shaft (222) slides in the sliding hole (221) in the connecting plate (220), drives the second gear (223) to rotate, the second gear (223) drives the first connecting rod (218) to move through the third gear (224) and the first eccentric shaft (219) in turn, the first connecting rod (218) drives a plurality of rotatably connected second connecting rods (229) to contract, the slider (227) on each second connecting rod (229) slides in the sliding groove (228) of the second connecting ring (230), each second connecting rod (229) drives the baffle (225) to rotate through the first connecting ring (226), the plurality of baffles (225) fold, and the coagulant in the coagulant cylinder (1) enters the wastewater cylinder (5) through the first connecting pipe (9); S2, the coagulant and the coal washing wastewater react, the output shaft of the second motor (410) drives the eighth gear (411) to rotate, the eighth gear (411) drives the seventh gear (408) to rotate, the rotation direction of the eighth gear (411) is opposite to the rotation direction of the seventh gear (408), the second meshing rod (412) on the eighth gear (411) and the first meshing rod (409) on the seventh gear (408) drive the ninth gear (413) to rotate in turn, the ninth gear (413) drives the stirring rod (404) to rotate clockwise or counterclockwise through the rotating disk (405), the stirring rod (404) fully stirs the coagulant and the coal washing wastewater, the liquid passes through the filter screen (11) into the drain pipe (6) and flows out, the ninth gear (413) passes through the sixth gear (407), the first gear (409) and the second gear (413) in sequence. The fifth gear (406), the fourth gear (401), the third connecting shaft (402), the second bevel gear (403), and the first bevel gear (301) rotate, the first bevel gear (301) drives the screw rod (302) to rotate clockwise or counterclockwise, the second slide plate (303) reciprocates horizontally on the screw rod (302), the second slide plate (303) drives the push plate (305) to move horizontally through the second connecting shaft (304), the push plate (305) respectively contacts the baffles (12) in the two third fixed plates (13), the two baffles (12) are respectively separated from the first slag discharge hole (10) at the bottom of the waste water barrel (5), and the condensed floccules enter the support frame (16) through the first slag discharge hole (10), and enter the treatment tank (7) through the second slag discharge hole (17) of the support frame (16); S3, the flocculated flocs in the treatment tank (7) are filtered through the filter plate (18), the water in the flocs enters the drain pipe (6) from the liquid space in the treatment tank (7) through the second connecting pipe (15), and the flocs enter the connecting cylinder (19) from the solid space in the treatment tank (7); S4, the output shaft of the third motor (802) in the connecting cylinder (19) drives the eleventh gear (803) to rotate, the eleventh gear (803) drives the first pressure wheel (804) to rotate, the first pressure wheel (804) drives the second pressure wheel (806) and the third pressure wheel (807) to rotate through the belt (805), the eleventh gear (803) drives the tenth gear (801) to rotate, the tenth gear (801) drives the second conveying roller (810) to rotate, the second conveying roller (810) drives the first conveying roller (809) to rotate through the conveyor belt (808), and while the flocs are transported by the conveyor belt (808), the first pressure wheel (804), the second pressure wheel (806) and the third pressure wheel (807) squeeze the flocs and discharge them.

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