A zero-discharge treatment device for wastewater from a power plant

Abstract

The present invention discloses a zero-discharge treatment device for wastewater from a power plant, comprising an auger processor, wherein a mobile filtering mechanism is provided at the bottom of the auger processor, a high-pressure flushing mechanism is provided on the mobile filtering mechanism, a discharge mechanism is provided on one side of the mobile filtering mechanism, a feed port is provided at the top of the auger processor, a pre-filtering mechanism is provided inside the feed port, and the mobile filtering mechanism comprises a bottom box, wherein two inner cavities are provided inside the bottom box, and one end of each of the two inner cavities is provided with a discharge pipe, and the invention belongs to the technical field of wastewater treatment from power plants. The zero-discharge treatment device for wastewater from a power plant filters sludge through a second filter plate. When cleaning is required, a hydraulic cylinder separates the second filter plate from the auger processor, and then a mobile motor drives a cleaning seat to move. The movement of the cleaning seat drives a high-pressure nozzle to move. The high-pressure nozzle sprays high-pressure water to flush the clogged filter holes on the second filter plate, thereby facilitating cleaning and effectively improving the convenience of use.

Description

Technical Field

[0001] The present invention relates to the technical field of power plant wastewater treatment, in particular to a zero-discharge treatment device for power plant wastewater. Background Art

[0002] The wastewater treatment process of a power plant usually includes pretreatment, biochemical treatment, advanced treatment, sludge treatment and wastewater reuse or discharge, and the sludge will be dehydrated. In the existing technology, filter plates are used in the treatment device to separate water and sludge. However, the filter plates are fixed inside the device, and the filter holes on the filter plates are difficult to clean after being clogged, making the convenience of use less than ideal.

[0003] For example, patent publication number CN210193651U is a device for treating wastewater from a thermal power plant with zero discharge, comprising a base, three support frames provided on the base, a plurality of support frames provided with a dehydration device, the dehydration device consisting of a first dehydration device and a second dehydration device, the first dehydration device comprising a dehydration pipe, a motor, a rotating shaft and auger blades, the dehydration pipe is provided on the support frame, a motor is provided on one side of the dehydration pipe, a rotating shaft is provided at the output end of the motor, the rotating shaft is provided in the dehydration pipe, an auger blade is spirally provided on the rotating shaft, and the auger blade is fed The amount of material decreases from left to right, the auger blades fit tightly against the inner wall of the dewatering pipe, and a second dewatering device is provided at the end of the dewatering pipe. The utility model can squeeze and dewater the sludge through the auger blades in conjunction with the dewatering pipe, and then cooperate with the second dewatering device for secondary dewatering. The dewatering effect can be better through multiple dehydrations, and the structure is simple. However, there is a problem in this treatment device that a filter plate is used to separate water and sludge, but the filter plate is fixed inside the device, and the filter holes on the filter plate are difficult to clean after being clogged, making the convenience of use less than ideal. Summary of the Invention

[0004] In response to the shortcomings of the existing technology, the present invention provides a zero-discharge treatment device for power plant wastewater, which solves the problem that filter plates are used to separate water and sludge in the treatment device, but the filter plates are fixed inside the device, and the filter holes on the filter plates are difficult to clean after being clogged, making the convenience of use less than ideal.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a zero-discharge treatment device for wastewater from a power plant, comprising an auger processor, a mobile filtering mechanism provided at the bottom of the auger processor, a high-pressure flushing mechanism provided on the mobile filtering mechanism, a discharge mechanism provided on one side of the mobile filtering mechanism, a feed inlet provided at the top of the auger processor, and a pre-filtering mechanism provided inside the feed inlet;

[0006] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0007] The high-pressure flushing mechanism includes two fixed frames, two guide slides are fixedly connected between the two fixed frames, a cleaning seat is slidably connected between the two guide slides, a cleaning screw is threadedly connected to the inside of the cleaning seat, a cleaning motor is fixedly connected to the end of the cleaning screw, a plurality of high-pressure nozzles are installed at the bottom of the cleaning seat, the ends of the plurality of high-pressure nozzles are connected to water inlet pipes, the end of the water inlet pipe is connected to a water pump, and the end of the water pump is connected to a water source.

[0008] Preferably, the auger processor is arranged at the top of an inner cavity of the bottom box, and the auger processor is fixedly connected to the top frame, so that the wastewater inside the auger processor can enter an inner cavity of the bottom box.

[0009] Preferably, a slot is provided at the bottom of the auger processor, and the slot matches the movable seat and the second filter plate, so that the movable seat can be combined with the auger processor, thereby enabling the auger processor to process the sludge.

[0010] Preferably, the shape of the second filter plate is set to be an arc shape, and the second filter plate matches the auger inside the auger processor, so that the second filter plate can fit the auger, so that the auger can drive the sludge to move and squeeze.

[0011] Preferably, the movable screw is rotatably connected to the top frame, the output shaft of the movable motor is fixedly connected to the movable screw, and the movable motor is fixedly mounted on the top frame, so that the movable motor can drive the movable screw to rotate.

[0012] Preferably, the bottom end of the hydraulic cylinder is fixedly connected to the movable frame, and the output shaft end of the hydraulic cylinder is fixedly connected to the movable seat, so that the hydraulic cylinder can drive the movable seat to move up and down.

[0013] Preferably, one end of the return spring is fixedly connected to the inner wall of the movable seat, and the other end of the return spring is fixedly connected to the movable block, so that the return spring can return the movable block to its original position.

[0014] Preferably, the two fixing frames are fixedly mounted on both sides of the top of the top frame, and the cleaning screw is rotatably connected to the two fixing frames, so that the cleaning screw can rotate.

[0015] Preferably, the discharge mechanism includes an inclined guide plate, which is fixedly installed inside the bottom box. Two arc-shaped guide plates are provided at one end of the top of the inclined guide plate. A vibration plate is fixedly connected to the end of the inclined guide plate away from the arc-shaped guide plate. A vibration motor is fixedly connected to the vibration plate, which can fully discharge the cleaned sludge to avoid residue.

[0016] Preferably, the pre-filter mechanism includes a pre-filter plate, the top of the pre-filter plate is fixedly connected to two upright frames, the two upright frames are rotatably connected inside with locking screws, the locking screws are threadedly connected with locking nuts, the bottom ends of the locking nuts are fixedly connected with locking pins, the ends of the locking pins pass through the upright frames and partially extend to the outside of the upright frames, the ends of the locking screws are fixedly connected with a handle, a limiting pin is inserted into the handle, and a locking socket is provided at the end of the upright frame, which can pre-treat and filter the sludge, thereby filtering large particles of impurities such as stones in the sludge, and preventing impurities from entering the interior of the auger processor.

[0017] The present invention provides a zero-discharge treatment device for wastewater from power plants. Compared with the prior art, it has the following advantages:

[0018] (1) The zero-discharge treatment device for wastewater of the power plant filters the sludge through the second filter plate. When cleaning is required, the hydraulic cylinder separates the second filter plate from the auger processor, and then the moving motor drives the cleaning seat to move. The movement of the cleaning seat drives the high-pressure nozzle to move. The high-pressure nozzle sprays high-pressure water to flush the clogged filter holes on the second filter plate, thereby facilitating cleaning and effectively improving the convenience of use.

[0019] (2) The power plant's wastewater zero-discharge treatment device guides the washed wastewater containing sludge to the discharge pipe through the inclined guide plate and the arc-shaped guide plate. The vibration motor generates vibration and transmits the vibration to the inclined guide plate through the vibration plate, shaking off the sludge and wastewater on the inclined guide plate, which can fully discharge the washed sludge to avoid residue.

[0020] (3) The zero-discharge treatment device for wastewater of the power plant is designed by placing the pre-filter plate into the feed port and then turning the handle. The rotation of the handle drives the locking screw to rotate, and the rotation of the locking screw drives the locking nut. The movement of the locking nut drives the locking pin to move. The locking pin is inserted into the feed port for fixing. The pre-filter plate is used to pre-treat and filter the sludge, thereby filtering out large particles of impurities such as stones in the sludge and preventing the impurities from entering the auger processor. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0022] Figure 2 It is a structural schematic diagram of the mobile filtering mechanism and high-pressure flushing mechanism of the present invention.

[0023] Figure 3 It is a schematic diagram of the connection structure between the movable seat and the movable frame of the present invention.

[0024] Figure 4 It is a structural schematic diagram of the high-pressure flushing mechanism of the present invention.

[0025] Figure 5 It is a schematic diagram of the discharge mechanism structure of the present invention.

[0026] Figure 6 It is a structural schematic diagram of the pre-filtration mechanism of the present invention.

[0027] Figure: 1. Auger processor; 2. Mobile filter mechanism; 201. Bottom box; 202. Discharge pipe; 203. Top frame; 204. First filter plate; 205. Guide rail; 206. Mobile frame; 207. Mobile screw; 208. Mobile motor; 209. Hydraulic cylinder; 210. Movable seat; 211. Second filter plate; 212. Sealing gasket; 213. Movable block; 214. Magnet; 215. Electromagnet; 3. High-pressure flushing mechanism; 301. Fixed frame; 302. Guide rail Slide seat; 303, cleaning screw; 304, cleaning motor; 305, cleaning seat; 306, high-pressure nozzle; 4, discharge mechanism; 401, inclined guide plate; 402, arc-shaped guide plate; 403, vibration plate; 404, vibration motor; 5, feed port; 6, pre-filtering mechanism; 601, stand; 602, pre-filtering plate; 603, locking screw; 604, locking nut; 605, locking pin; 606, handle; 607, limit pin; 608, locking socket. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0029] See also Figure 1-4 The embodiment of the present invention provides a technical solution: a zero-discharge treatment device for wastewater from a power plant, including an auger processor 1. The auger processor 1 can use the internal auger to squeeze the sludge, thereby squeezing out the water in the sludge. This is a prior art and will not be described in detail. A mobile filtering mechanism 2 is provided at the bottom of the auger processor 1, a high-pressure flushing mechanism 3 is provided on the mobile filtering mechanism 2, a discharge mechanism 4 is provided on one side of the mobile filtering mechanism 2, a feed port 5 is provided at the top of the auger processor 1, and a pre-filtering mechanism 6 is provided inside the feed port 5. The sludge can be filtered through the mobile filtering mechanism 2, so that water can be separated from the sludge, and it can be separated from the auger processor 1 when blocked. The high-pressure flushing mechanism 3 is used for high-pressure flushing, which is convenient for cleaning and effectively improves the convenience of use.

[0030] The mobile filtering mechanism 2 includes a bottom box 201, which has two inner cavities, one as a wastewater cavity for sludge treatment, and the other as a wastewater cavity for cleaning. A discharge pipe 202 is provided at one end of each of the two inner cavities. A top frame 203 is fixedly connected to the top of the bottom box 201. The auger processor 1 is arranged on the top of an inner cavity of the bottom box 201, and the auger processor 1 is fixedly connected to the top frame 203, so that the wastewater inside the auger processor 1 can enter an inner cavity of the bottom box 201. A first filter plate 204 is fixedly connected between the top frame 203 and the bottom box 201. The first filter plate 204 can prevent debris from entering the bottom box 201. Two guide rails 205 are fixedly connected to the top of the first filter plate 204. Both guide rails 205 are slidably connected. The movable frame 206 can guide the movement of the movable frame 206 so that the movable frame 206 can move along the guide rail 205. The movable frame 206 is internally threaded with a movable screw 207, and the end of the movable screw 207 is fixedly connected to a movable motor 208. The movable screw 207 is rotatably connected to the top frame 203. The output shaft of the movable motor 208 is fixedly connected to the movable screw 207, and the movable motor 208 is fixedly installed on the top frame 203, so that the movable motor 208 can drive the movable screw 207 to rotate, thereby driving the movable frame 206 to move. A plurality of hydraulic cylinders 209 are fixedly connected to the top of the movable frame 206, and the tops of the plurality of hydraulic cylinders 209 are fixedly connected to movable seats 210. The hydraulic cylinders 209 The bottom end of the auger processor 1 is fixedly connected to the movable frame 206, and the output shaft end of the hydraulic cylinder 209 is fixedly connected to the movable seat 210, so that the hydraulic cylinder 209 can drive the movable seat 210 to move up and down, and the second filter plate 211 is fixedly connected to the movable seat 210. A slot is provided at the bottom of the auger processor 1, and the slot matches the movable seat 210 and the second filter plate 211, so that the movable seat 210 can be combined with the auger processor 1, so that the auger processor 1 can process the sludge, and the shape of the second filter plate 211 is set to be arc-shaped, and the second filter plate 211 matches the auger inside the auger processor 1, so that the second filter plate 211 can fit with the auger, so that the auger can drive the sludge to move and squeeze, and the movable seat 21 A sealing gasket 212 is fixedly connected to the top, and movable blocks 213 are slidably connected to both ends of the movable seat 210. A return spring is provided on one side of the movable block 213. One end of the return spring is fixedly connected to the inner wall of the movable seat 210, and the other end of the return spring is fixedly connected to the movable block 213, so that the return spring can reset the movable block 213. Fixed slots are provided on the inner walls of both sides of the top frame 203, and the fixed slots match the movable block 213. A magnet block 214 is fixedly connected to the movable block 213. Electromagnets 215 are fixedly connected to both ends of the top frame 203. When the electromagnet 215 is energized, a repulsive force is generated on the magnet block 214. The electromagnet 215 pushes the magnet block 214 to move, and the movement of the magnet block 214 drives the movable block 213 to move.Push the movable block 213 into the movable seat 210 to release the constraint between the movable seat 210 and the top frame 203, so that the movable seat 210 can move.

[0031] The high-pressure flushing mechanism 3 includes two fixed frames 301, two guide slides 302 are fixedly connected between the two fixed frames 301, a cleaning seat 305 is slidably connected between the two guide slides 302, and the cleaning seat 305 is internally threaded with a cleaning screw 303, the two fixed frames 301 are fixedly installed on both sides of the top of the top frame 203, the cleaning screw 303 is rotatably connected to the two fixed frames 301, so that the cleaning screw 303 can rotate, and the end of the cleaning screw 303 is fixedly connected to a cleaning motor 304, and a plurality of high-pressure nozzles 306 are installed at the bottom of the cleaning seat 305, and the ends of the plurality of high-pressure nozzles 306 are connected to a water inlet pipe, the end of the water inlet pipe is connected to a water pump, and the end of the water pump is connected to a water source, so that when the second filter plate 211 is in the cleaning position, the filter holes on the second filter plate 211 can be fully cleaned, thereby improving the cleaning effect.

[0032] See also Figure 1 and Figure 5 The discharge mechanism 4 includes an inclined guide plate 401, which is fixedly installed inside the bottom box 201. Two arc-shaped guide plates 402 are provided at one end of the top of the inclined guide plate 401. A vibration plate 403 is fixedly connected to the end of the inclined guide plate 401 away from the arc-shaped guide plate 402. A vibration motor 404 is fixedly connected to the vibration plate 403. The wastewater with sludge washed down can be guided to the discharge pipe 202 through the inclined guide plate 401 and the arc-shaped guide plate 402. The vibration motor 404 generates vibration when it works, and transmits the vibration to the inclined guide plate 401 through the vibration plate 403, shaking off the sludge and wastewater on the inclined guide plate 401, so that the cleaned sludge can be fully discharged to avoid residue.

[0033] See also Figure 1 and Figure 6The pre-filter mechanism 6 includes a pre-filter plate 602, and the top of the pre-filter plate 602 is fixedly connected to two vertical frames 601. The two vertical frames 601 are rotatably connected to the inside of each of the two vertical frames 601. The locking screw 603 is threadedly connected to a locking nut 604. The bottom end of the locking nut 604 is fixedly connected to a locking pin 605. The end of the locking pin 605 passes through the vertical frame 601 and partially extends to the outside of the vertical frame 601, so that it can guide the movement of the locking nut 604. The end of the locking screw 603 is fixedly connected to a handle 606, and a limit pin is inserted inside the handle 606. 607. A locking socket 608 is provided at the end of the stand 601. The pre-filter plate 602 can be placed into the feed port 5, and then the handle 606 is rotated. The rotation of the handle 606 drives the locking screw 603 to rotate, and the rotation of the locking screw 603 drives the locking nut 604. The movement of the locking nut 604 drives the locking pin 605 to move. The locking pin 605 is inserted into the feed port 5 for fixation. The pre-filter plate 602 is used to pre-treat and filter the sludge, so that large particles of impurities such as stones in the sludge can be filtered to prevent impurities from entering the auger processor 1.

[0034] During use, the second filter plate 211 is used to filter the sludge. When cleaning is required, the hydraulic cylinder 209 drives the movable seat 210 to move, and the movable seat 210 moves to drive the second filter plate 211 to move downward, separating the second filter plate 211 from the auger processor 1. Then the moving motor 208 drives the moving screw 207 to rotate, and the moving screw 207 rotates to drive the moving frame 206 to move. The moving frame 206 moves to drive the second filter plate 211 to move, and the second filter plate 211 is placed in the cleaning position. Then the cleaning motor 304 drives the cleaning screw 303 to rotate, and the cleaning screw 303 rotates to drive the cleaning seat 305 to move. The cleaning seat 305 moves to drive the high-pressure nozzle 306 to move. The high-pressure nozzle 306 sprays high-pressure water to flush the clogged filter holes on the second filter plate 211, thereby facilitating cleaning and effectively improving the convenience of use.

[0035] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0037] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A zero-discharge treatment device for wastewater from a power plant, comprising an auger treatment machine (1), characterized in that: The bottom of the auger processor (1) is provided with a mobile filtering mechanism (2), the mobile filtering mechanism (2) is provided with a high-pressure flushing mechanism (3), one side of the mobile filtering mechanism (2) is provided with a discharge mechanism (4), the top of the auger processor (1) is provided with a feed port (5), and the feed port (5) is provided with a pre-filtering mechanism (6); The mobile filtering mechanism (2) comprises a bottom box (201), wherein two inner cavities are provided inside the bottom box (201), and one end of each of the two inner cavities is provided with a discharge pipe (202), a top frame (203) is fixedly connected to the top of the bottom box (201), a first filter plate (204) is fixedly connected between the top frame (203) and the bottom box (201), two guide rails (205) are fixedly connected to the top of the first filter plate (204), and a mobile frame (206) is slidably connected to each of the two guide rails (205), a mobile screw (207) is threadedly connected to the inside of the mobile frame (206), and a mobile motor (208) is fixedly connected to the end of the mobile screw (207), and the top of the mobile frame (206) is fixedly connected to the bottom box (201). The top of the top frame (203) is fixedly connected to a plurality of hydraulic cylinders (209), the top ends of the plurality of hydraulic cylinders (209) are fixedly connected to a movable seat (210), the inside of the movable seat (210) is fixedly connected to a second filter plate (211), the top of the movable seat (210) is fixedly connected to a sealing gasket (212), both ends of the movable seat (210) are slidably connected to a movable clamping block (213), one side of the movable clamping block (213) is provided with a return spring, both sides of the inner wall of the top frame (203) are provided with a fixed clamping groove, the fixed clamping groove matches the movable clamping block (213), a magnet block (214) is fixedly connected to the movable clamping block (213), and both ends of the top frame (203) are fixedly connected to an electromagnet (215); The high-pressure flushing mechanism (3) comprises two fixing frames (301), two guide slides (302) are fixedly connected between the two fixing frames (301), a cleaning seat (305) is slidably connected between the two guide slides (302), a cleaning screw (303) is internally threadedly connected to the cleaning seat (305), a cleaning motor (304) is fixedly connected to the end of the cleaning screw (303), a plurality of high-pressure nozzles (306) are installed at the bottom of the cleaning seat (305), the ends of the plurality of high-pressure nozzles (306) are connected to a water inlet pipe, the end of the water inlet pipe is connected to a water pump, and the end of the water pump is connected to a water source.

2. The zero-discharge treatment device for wastewater from a power plant according to claim 1, characterized in that: The auger processor (1) is arranged on the top of an inner cavity of the bottom box (201), and the auger processor (1) is fixedly connected to the top frame (203).

3. The zero-discharge treatment device for wastewater from a power plant according to claim 1, characterized in that: The bottom of the auger processor (1) is provided with a slot, and the slot matches the movable seat (210) and the second filter plate (211).

4. The zero-discharge treatment device for wastewater from a power plant according to claim 1, characterized in that: The shape of the second filter plate (211) is set to be an arc shape, and the second filter plate (211) matches the auger inside the auger processor (1).

5. The zero-discharge treatment device for wastewater from a power plant according to claim 1, characterized in that: The movable screw (207) is rotationally connected to the top frame (203), the output shaft of the movable motor (208) is fixedly connected to the movable screw (207), and the movable motor (208) is fixedly mounted on the top frame (203).

6. The zero-discharge treatment device for wastewater from a power plant according to claim 1, characterized in that: The bottom end of the hydraulic cylinder (209) is fixedly connected to the movable frame (206), and the output shaft end of the hydraulic cylinder (209) is fixedly connected to the movable seat (210).

7. The zero-discharge treatment device for wastewater from a power plant according to claim 1, characterized in that: One end of the return spring is fixedly connected to the inner wall of the movable seat (210), and the other end of the return spring is fixedly connected to the movable clamping block (213).

8. The zero-discharge treatment device for wastewater from a power plant according to claim 1, characterized in that: The two fixing frames (301) are fixedly mounted on both sides of the top of the top frame (203), and the cleaning screw (303) is rotatably connected to the two fixing frames (301).

9. The zero-discharge treatment device for wastewater from a power plant according to claim 1, characterized in that: The discharge mechanism (4) comprises an inclined guide plate (401), the inclined guide plate (401) being fixedly mounted inside the bottom box (201), two arc-shaped guide plates (402) being provided at one end of the top of the inclined guide plate (401), a vibration plate (403) being fixedly connected to one end of the inclined guide plate (401) away from the arc-shaped guide plates (402), and a vibration motor (404) being fixedly connected to the vibration plate (403).

10. The zero-discharge treatment device for wastewater from a power plant according to claim 1, characterized in that: The pre-filtering mechanism (6) comprises a pre-filtering plate (602), the top of the pre-filtering plate (602) is fixedly connected to two vertical frames (601), the two vertical frames (601) are rotatably connected to the inside of each of the two vertical frames (601), the locking screws (603) are threadedly connected to a locking nut (604), the bottom end of the locking nut (604) is fixedly connected to a locking pin (605), the end of the locking pin (605) passes through the vertical frame (601) and partially extends to the outside of the vertical frame (601), the end of the locking screw (603) is fixedly connected to a handle (606), a limit pin (607) is inserted into the handle (606), and a locking socket (608) is provided at the end of the vertical frame (601).

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