Zero-discharge treatment device for wastewater of power plant

Abstract

The invention discloses a power plant wastewater zero-discharge treatment device which comprises an auger treatment machine, a movable filtering mechanism is arranged at the bottom of the auger treatment machine, a high-pressure flushing mechanism is arranged on the movable filtering mechanism, a discharge mechanism is arranged on one side of the movable filtering mechanism, a feeding port is formed in the top of the auger treatment machine, and a discharging port is formed in the bottom of the auger treatment machine. A pre-filtering mechanism is arranged in the feeding port, the movable filtering mechanism comprises a bottom box, two inner cavities are formed in the bottom box, and a discharge pipe is arranged at one end of each of the two inner cavities. According to the power plant wastewater zero-discharge treatment device, sludge is filtered through a second filter plate, when cleaning is needed, a hydraulic cylinder separates the second filter plate from an auger treatment machine, then a moving motor drives a cleaning seat to move, the cleaning seat moves to drive a high-pressure spray head to move, and the high-pressure spray head sprays high-pressure water flow to flush filter holes blocked in the second filter plate; and therefore, cleaning can be facilitated, and the use convenience is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of power plant wastewater treatment, and 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, deep treatment, sludge treatment and wastewater reuse or discharge, and the sludge will be dehydrated. In the prior art, a filter plate is used in the treatment device to separate water from the 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.

[0003] For example, patent publication number CN210193651U specifically discloses a zero-discharge treatment device for wastewater in a thermal power plant, including a base, three support frames are arranged on the base, a dehydration device is arranged on the multiple support frames, the dehydration device is composed of a first dehydration device and a second dehydration device, the first dehydration device includes a dehydration pipeline, a motor, a rotating shaft and auger blades, the dehydration pipeline is arranged on the support frame, a motor is arranged on one side of the dehydration pipeline, a rotating shaft is arranged at the output end of the motor, the rotating shaft is arranged in the dehydration pipeline, an auger blade is spirally arranged on the rotating shaft, and the auger blade is fed The material amount decreases from left to right, the auger blades fit tightly against the inner wall of the dehydration pipe, and a second dehydration device is provided at the end of the dehydration pipe. The utility model can squeeze and dehydrate the sludge through the auger blades in conjunction with the dehydration pipe, and then cooperate with the second dehydration device for secondary dehydration. Multiple dehydrations can achieve better dehydration effects, and the structure is simple. However, this treatment device uses a filter plate 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 view of the shortcomings of the prior art, the present invention provides a zero-discharge treatment device for wastewater from a power plant, which solves the problem that a filter plate is used to separate water from sludge in the treatment device, 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.

[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 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 inlet is provided at the top of the auger processor, and a pre-filtering mechanism is provided inside the feed inlet; The movable filter mechanism comprises a bottom box, wherein two inner cavities are provided inside the bottom box, and one end of the two inner cavities is provided with a discharge pipe, the top of the bottom box is fixedly connected with a top frame, a first filter plate is fixedly connected between the top frame and the bottom box, the top of the first filter plate is fixedly connected with two guide rails, the two guide rails are slidably connected with a movable frame, the movable frame is internally threadedly connected with a movable screw, the end of the movable screw is fixedly connected with a movable motor, a plurality of hydraulic cylinders are fixedly connected with the top of the movable frame, the tops of the plurality of hydraulic cylinders are fixedly connected with a movable seat, the second filter plate is fixedly connected inside the movable seat, a sealing gasket is fixedly connected with the top of the movable seat, both ends of the movable seat are slidably connected with movable blocks, a return spring is provided on one side of the movable block, fixed slots are provided on the inner walls of both sides of the top frame, the fixed slots match the movable blocks, a magnet block is fixedly connected to the movable block, and both ends of the top frame are fixedly connected with an electromagnet; 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.

[0006] 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 into an inner cavity of the bottom box.

[0007] Preferably, a groove is provided at the bottom of the auger processor, and the groove 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.

[0008] 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.

[0009] 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.

[0010] 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.

[0011] 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 clamping block, so that the return spring can return the movable clamping block.

[0012] 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.

[0013] Preferably, the discharge mechanism includes an inclined guide plate, which is fixedly installed inside the bottom box, and 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, and a vibration motor is fixedly connected to the vibration plate, which can fully discharge the cleaned sludge and avoid residue.

[0014] Preferably, the pre-filter mechanism includes a pre-filter plate, the top of which is fixedly connected to two upright frames, both of which are rotatably connected with locking screws, the locking screws are threaded with locking nuts, the bottom of the locking nut is fixedly connected with a locking pin, the end of the locking pin passes through the upright frame and partially extends to the outside of the upright frame, the end of the locking screw is fixedly connected to a handle, a limit pin is inserted into the handle, and a locking hole 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.

[0015] The present invention provides a zero-discharge treatment device for wastewater from a power plant. Compared with the prior art, it has the following beneficial effects: (1) The zero-discharge treatment device for wastewater from 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 mobile 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.

[0016] (2) The zero-discharge wastewater treatment device of the power plant guides the washed wastewater with 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, thereby shaking off the sludge and wastewater on the inclined guide plate, so that the washed sludge can be fully discharged to avoid residue.

[0017] (3) The zero-discharge treatment device for wastewater from the power plant is configured by placing a pre-filter plate into the feed port and then turning a handle. The rotation of the handle drives the locking screw to rotate, which drives the locking nut to rotate. 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 treatment machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is a schematic diagram of the structure of the mobile filtering mechanism and the high-pressure flushing mechanism of the present invention.

[0020] Figure 3 It is a schematic diagram of the connection structure between the movable seat and the movable frame of the present invention.

[0021] Figure 4 It is a schematic diagram of the structure of the high-pressure flushing mechanism of the present invention.

[0022] Figure 5 It is a schematic diagram of the discharge mechanism structure of the present invention.

[0023] Figure 6 It is a schematic diagram of the structure of the pre-filtering mechanism of the present invention.

[0024] In the figure: 1, auger processor; 2, mobile filtering 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 block; 215, electromagnet; 3, high-pressure washing 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 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

[0025] The technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] 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, comprising an auger processor 1. The auger processor 1 can use the internal auger to squeeze the sludge, so as to squeeze 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 by the mobile filtering mechanism 2, so that water can be separated from the sludge, and 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.

[0027] The mobile filtering mechanism 2 includes a bottom box 201, and the bottom box 201 has two inner chambers, one as a wastewater chamber for sludge treatment, and the other as a wastewater chamber for cleaning. A discharge pipe 202 is provided at one end of each of the two inner chambers. 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 chamber 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 chamber 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, and two guide rails 205 are slidably connected to each other. 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, and 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 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 inside the movable seat 210. A groove is provided at the bottom of the auger processor 1, and the groove 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 an arc shape, 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 at both ends of the movable seat 210. A return spring is arranged 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 at both ends of the top frame 203. When the electromagnets 215 are energized, a repulsive force is generated on the magnet block 214. The electromagnets 215 push 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.

[0028] 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 a cleaning screw 303 is internally threadedly connected to the cleaning seat 305. The two fixed frames 301 are fixedly installed on both sides of the top of the top frame 203, and the cleaning screw 303 is rotatably connected to the two fixed frames 301 so that the cleaning screw 303 can rotate. A cleaning motor 304 is fixedly connected to the end of the cleaning screw 303, and 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 water inlet pipes, and the end of the water inlet pipes 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 to improve the cleaning effect.

[0029] 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 arranged at one end of the top of the inclined guide plate 401. A vibration plate 403 is fixedly connected to one 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 working, and transmits the vibration to the inclined guide plate 401 through the vibration plate 403, so as to shake off the sludge and wastewater on the inclined guide plate 401, so as to fully discharge the washed sludge and avoid residue.

[0030] See also Figure 1 and Figure 6The pre-filter mechanism 6 includes a pre-filter plate 602, and two vertical frames 601 are fixedly connected to the top of the pre-filter plate 602. The two vertical frames 601 are rotatably connected with locking screws 603. The locking screws 603 are threadedly connected with locking nuts 604. The bottom of the locking nuts 604 is fixedly connected with 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 with a handle 606, and a limit pin is inserted in the handle 606 607, a locking socket 608 is provided at the end of the stand 601, by placing the pre-filter plate 602 into the feed port 5, and then turning the handle 606, the handle 606 rotates to drive the locking screw 603 to rotate, the locking screw 603 rotates to drive the locking nut 604, the locking nut 604 moves to drive the locking pin 605 to move, the locking pin 605 is inserted into the feed port 5 for fixing, and 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.

[0031] 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, so that the second filter plate 211 is separated 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, and the moving frame 206 moves to drive the second filter plate 211 to move, so that the second filter plate 211 is 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, and the cleaning seat 305 moves to drive the high-pressure nozzle 306 to move, and the high-pressure nozzle 306 sprays high-pressure water to flush the blocked filter holes on the second filter plate 211, so that cleaning can be conveniently performed, effectively improving the convenience of use.

[0032] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present 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 inlet (5), and the feed inlet (5) is provided with a pre-filtering mechanism (6); The mobile filtering mechanism (2) comprises a bottom box (201), the bottom box (201) has two inner cavities, one end of each of the two inner cavities is provided with a discharge pipe (202), the top of the bottom box (201) is fixedly connected to a top frame (203), a first filter plate (204) is fixedly connected between the top frame (203) and the bottom box (201), the top of the first filter plate (204) is fixedly connected to two guide rails (205), the two guide rails (205) are slidably connected to a mobile frame (206), the mobile frame (206) is internally threadedly connected to a mobile screw (207), the end of the mobile screw (207) is fixedly connected to a mobile motor (208), the top of the mobile frame (206) is fixedly connected to a mobile motor (208), and the top of the mobile frame (206) is fixedly connected to a mobile screw (207). A plurality of hydraulic cylinders (209) are fixedly connected to the top of the plurality of hydraulic cylinders (209), a movable seat (210) is fixedly connected to the inside of the movable seat (210), a sealing gasket (212) is fixedly connected to the top of the movable seat (210), both ends of the movable seat (210) are slidably connected to movable clamping blocks (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 fixed clamping grooves, the fixed clamping grooves match the movable clamping blocks (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 electromagnets (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. A zero-discharge treatment device for wastewater from a power plant according to claim 1, characterized in that: The auger processor (1) is arranged at 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. A 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. A 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 processing machine (1).

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

6. A 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 end of the output shaft of the hydraulic cylinder (209) is fixedly connected to the movable seat (210).

7. A 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 is characterized by: 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. A 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 which is fixedly connected to two vertical frames (601), the two vertical frames (601) are both rotatably connected with locking screws (603), the locking screws (603) are threadedly connected with locking nuts (604), the bottom of the locking nut (604) is fixedly connected with 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 with a handle (606), the handle (606) is internally inserted with a limit pin (607), and the end of the vertical frame (601) is provided with a locking socket (608).

Images