CN218910124U - Automatic mud discharging device of mud plate filter press of desulfurization wastewater zero-discharge system - Google Patents
Automatic mud discharging device of mud plate filter press of desulfurization wastewater zero-discharge system Download PDFInfo
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- CN218910124U CN218910124U CN202222836749.2U CN202222836749U CN218910124U CN 218910124 U CN218910124 U CN 218910124U CN 202222836749 U CN202222836749 U CN 202222836749U CN 218910124 U CN218910124 U CN 218910124U
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Abstract
The utility model discloses an automatic mud discharging device of a mud plate filter press of a desulfurization wastewater zero discharge system, which comprises a filter pressing assembly, wherein the filter pressing assembly comprises two plate filter press frames, a plurality of plate filter press filter plates are arranged between the two plate filter press frames, and the filter plates of the plate filter press are in transmission connection with a power part; the automatic mud scraping assembly comprises a support, a guide rail is fixedly connected between two plate filter press frames, the support is connected to the guide rail in a sliding manner, a third motor is fixedly connected to the support, the third motor is in transmission connection with the guide rail, a mud scraping plate and a first motor are arranged on the support, the first motor is in transmission connection with the mud scraping plate, and the first motor is fixedly connected to the support; the conveying assembly comprises a receiving hopper, the receiving hopper is positioned below the filter plate of the plate filter press, the receiving hopper is in transmission connection with a second motor, and the second motor is fixedly connected to the ground. The device uses the mud scraping plate to scrape the mud, reduces the manual participation, reduces the labor cost and improves the mud scraping efficiency.
Description
Technical Field
The utility model relates to the technical field of filter presses, in particular to an automatic mud discharging device of a mud plate filter press of a desulfurization wastewater zero discharge system.
Background
Because the indexes of the high-salt wastewater of the power plant such as salt content, hardness, calcium ions, chloride ions, organic matters and the like are very high, the high-salt wastewater can not be recycled without advanced treatment. If the part of waste water is directly fed into the bypass flue gas for evaporation, the investment cost is huge and the operation cost is extremely high. At present, a wastewater zero discharge technology of pretreatment, evaporative concentration and crystallization or solidification is widely adopted in a power plant, high-salt wastewater is introduced into a bypass concentration tower to be subjected to flue gas evaporative concentration or tempering, and then filter pressing is performed to generate sludge solidification, wherein a low-temperature flue gas concentration system can be adopted for further concentration of high-salt water. The low-temperature flue gas concentration system is used for concentrating desulfurization wastewater, the process is that concentrated slurry is discharged into a thick slurry box from a bypass concentration tower, when the solid content of the slurry in the thick slurry box reaches a certain level, the slurry is conveyed to a conditioning box to adjust the pH value, then conveyed to a filter press to be dehydrated, filtrate is returned to the bypass concentration tower to be evaporated and concentrated continuously, and the dehydrated solid waste can be processed and utilized subsequently. The plate filter press is used as a device for efficiently and quickly separating solids and liquid, so that the plate filter press is used for dehydrating sludge generated by a low-temperature flue gas concentration system.
The water content of the sludge after the plate filter press is dehydrated can reach below 60%, but the sludge can be stuck on a filter plate and is not easy to fall off. Therefore, after the filter pressing of the plate filter press is finished, the sludge between the filter plates is required to be shoveled, and the sludge is transported out of the working area of the filter press. The prior art adopts manual sludge treatment, but the manual sludge treatment has low cleaning efficiency and poor cleaning effect, and a sludge scraping and discharging device with simple structure and easy control is needed. In order to solve the problems that the existing filter cake separation mode of the plate filter press is not effective enough and secondary auxiliary separation is needed.
The patent number CN212789927U provides a pressure filter discharge apparatus, and the device shakes down the material on the clamp plate through the vibrations that gravity whereabouts produced, and the material clearance is advanced into the discharge hopper in rethread equipment's transmission and roof quick unloading function automation. This patent does not further treat the removal of the falling sludge from the platen, and the removal of the sludge by vibration for a long period of time may damage the platen.
Therefore, the utility model aims at the technical problems and provides the automatic mud scraping and discharging device for the plate filter press, which can improve the production efficiency and the sludge dewatering effect.
Disclosure of Invention
The utility model aims to provide an automatic sludge discharging device of a sludge plate filter press of a desulfurization wastewater zero-discharge system, so as to solve the problems of the prior art, replace manual sludge scraping, reduce the labor intensity of workers and clean the scraped sludge.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides an automatic mud discharging device of a mud plate filter press of a desulfurization wastewater zero discharge system, which comprises:
the filter pressing assembly comprises two plate filter press frames, a plurality of plate filter press filter plates are arranged between the two plate filter press frames, and the plurality of plate filter press filter plates are in transmission connection with the power part;
the automatic mud scraping assembly comprises a support, a guide rail is fixedly connected between two plate filter press frames, the support is connected to the guide rail in a sliding mode, a third motor is fixedly connected to the support, the third motor is in transmission connection with the guide rail, a mud scraping plate and a first motor are arranged on the support, the first motor is in transmission connection with the mud scraping plate, and the first motor is fixedly connected to the support;
the conveying assembly comprises a receiving hopper, the receiving hopper is positioned below the filter plate of the plate filter press, the receiving hopper is in transmission connection with a second motor, and the second motor is fixedly connected to the ground.
Preferably, the scraper plate is in sliding connection with the support, a threaded rod is fixedly connected with the output end of the first motor, a nut is fixedly connected to the scraper plate, the threaded rod is in threaded connection with the nut, and the threaded rod is arranged in the nut in a rotating mode.
Preferably, the support is fixedly connected with a plurality of sliding blocks, the sliding blocks are in sliding connection with the guide rails, the third motor is fixedly connected to the sliding blocks, and the third motor is in transmission connection with the guide rails.
Preferably, the second motor is in transmission connection with a traction steel cable, a fixed pulley is fixedly connected to the plate filter press frame, a traction ring is fixedly connected to the receiving hopper, the traction steel cable is fixedly connected with the traction ring, the traction steel cable is wound on the fixed pulley, and the receiving hopper is located between the fixed pulley and the second motor.
Preferably, a laser locator is fixedly connected to the scraper, laser emitted by the laser locator faces the filter plate of the plate filter press, a limit sensor is fixedly connected to the ground, and the laser locator, the limit sensor, the first motor, the second motor and the third motor are electrically connected with a controller (8).
Preferably, a plurality of cross beams are fixedly connected between the two plate filter press frames, a plurality of plate filter press filter plates are slidably connected to a plurality of cross beams, a transmission part is arranged on each cross beam, and the power part is in transmission connection with a plurality of plate filter press filter plates through the transmission part.
The utility model discloses the following technical effects: according to the utility model, after the plate filter press filter plate is used for dewatering sludge, the third motor drives the bracket to move above the plate filter press filter plate, the first motor drives the scraper to scrape the sludge on the plate filter press filter plate, the scraper is restored to the original height position after scraping, the third motor drives the bracket to move continuously, the next plate filter press filter plate is subjected to sludge scraping work until all the plate filter press filter plates complete sludge scraping work, the sludge falls into the receiving hopper, and the sludge is conveyed to the discharging area for discharging after the receiving hopper is filled with the sludge.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an automatic sludge discharging device of a sludge plate filter press of a desulfurization wastewater zero discharge system;
FIG. 2 is a front view of the bracket and the splash guard of the present utility model;
FIG. 3 is a schematic diagram of the structure of the present utility model;
1, a plate filter press frame; 2. a filter plate of a plate filter press; 3. a cross beam; 4. a bracket; 5. a slide block; 6. a guide rail; 7. a laser locator; 8. a third motor; 9. a threaded rod; 10. a first motor; 11. a mud scraping plate; 12. a receiving hopper; 13. a traction ring; 14. a second motor; 15. a fixed pulley; 16. traction steel rope; 17. a limit sensor; 18. and a controller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 3, the utility model provides an automatic sludge discharging device of a sludge plate filter press of a desulfurization wastewater zero discharge system, comprising:
the filter pressing assembly comprises two plate filter press frames 1, a plurality of plate filter press filter plates 2 are arranged between the two plate filter press frames 1, and the plate filter press filter plates 2 are in transmission connection with a power part.
The plate filter plates 2 of the plate filter press are used for dewatering sludge, and a power part (not shown in the figure) drives the plate filter plates 2 of the plate filter press to move, and the part is the prior art and is not described in detail.
The automatic mud scraping assembly comprises a support 4, a slide 6 is fixedly connected between two plate filter press frames 1, the support 4 is slidably connected to the slide 6, a third motor 8 is fixedly connected to the support 4, the third motor 8 is in transmission connection with the slide 6, a mud scraping plate 11 and a first motor 10 are arranged on the support 4, the first motor 10 is in transmission connection with the mud scraping plate 11, and the first motor 10 is fixedly connected to the support 4.
The third motor 8 drives the bracket 4 to move on the slideway 6, when sludge dewatering is completed, the plate filter press filter plates 2 are separated, the third motor 8 drives the bracket 4 to move above one of the plate filter press filter plates 2, the first motor 10 drives the mud scraping plate 11 to move downwards, sludge adhered to the plate filter press filter plates 2 is scraped, after the mud scraping operation of one plate filter press filter plate 2 is completed, the third motor 8 drives the bracket 4 to move continuously, the mud scraping operation is performed on the next plate filter press filter plate 2 until all the plate filter press filter plates 2 are completed, in the embodiment, the mud scraping plate 11 is made of rubber materials, and abrasion of the plate filter press filter plates 2 is reduced.
The conveying assembly comprises a receiving hopper 12, the receiving hopper 12 is positioned below the filter plate 2 of the plate filter press, the receiving hopper 12 is in transmission connection with a second motor 14, and the second motor 14 is fixedly connected to the ground.
The second motor 14 drives the receiving hopper 12 to move, when the mud scraping plate 11 scrapes the mud, the receiving hopper 12 moves to the lower part of the filter plate 2 of the plate filter press, so that the mud falls into the receiving hopper 12, after the receiving hopper 12 is filled with the mud, the mud is conveyed to a discharging area, the opening of the part of the receiving hopper 12 for containing the mud is in an inclined design, and four sides extend upwards in an inclined way, so that the area for receiving the mud is increased, and the mud is prevented from being scattered.
Further optimizing scheme, the scraper plate 11 is in sliding connection with the support 4, the output end of the first motor 10 is fixedly connected with a threaded rod 9, a nut is fixedly connected to the scraper plate 11, the threaded rod 9 is in threaded connection with the nut, and the threaded rod 9 is rotationally arranged in the nut.
The first motor 10 drives to rotate through the threaded rod 9, the threaded rod 9 rotates in the nut to drive the scraper plate 11 to move up and down, in the embodiment, a guide rail is fixedly connected with the bracket 4, rollers are fixedly connected with two sides of the scraper plate, and the rollers slide on the guide rail.
Further optimizing scheme, fixedly connected with a plurality of sliders 5 on the support 4, slider 5 and guide rail 6 sliding connection, third motor 8 fixed connection is on slider 5, and third motor 8 and guide rail 6 transmission are connected.
In this embodiment, the guide rail 6 is provided with a groove, the sliding block 5 slides in the groove, the guide rail 6 is fixedly connected with a rack, the output end of the third motor 8 is fixedly connected with a gear, the gear is meshed with the rack, and the third motor 8 rotates to enable the sliding block 5 to move on the guide rail 6, so that the movement of the bracket 4 is driven.
In a further optimized scheme, a traction steel cable 16 is connected to the second motor 14 in a transmission manner, a fixed pulley 15 is fixedly connected to the plate filter press frame 1, a traction ring 13 is fixedly connected to the receiving hopper 12, the traction steel cable 16 is fixedly connected with the traction ring 13, the traction steel cable 16 is wound on the fixed pulley 15, and the receiving hopper 12 is located between the fixed pulley 15 and the second motor 14.
The second motor 14 drives the traction steel cable 16 to move, the traction steel cable 16 pulls the traction ring 13 through the guiding of the fixed pulley 15, so that the receiving hopper 12 moves, in this embodiment, the output end of the second motor 14 is fixedly connected with a rotating wheel, and the traction steel cable 16 is sleeved on the rotating wheel.
Further optimizing scheme, fixedly connected with laser locator 7 on the scraper 11, the laser of laser locator 7 transmission is towards plate filter press filter plate 2, subaerial fixedly connected with limit sensor 17, laser locator 7, limit sensor 17, first motor 10, second motor 14 and third motor 8 electric connection have controller 18.
The model of the laser locator 7 is LM150, and the model of the limit sensor 17 is HL-5000.
The plate filter press filter plate 2 is provided with a reflecting plate (not shown in the figure), the laser locator 7 emits laser signals, after the laser signals irradiate the reflecting plate on the plate filter press filter plate 2, according to the signals reflected from the plate filter press filter plate 2, the distance and the angle between the plate filter press filter plate 2 and the laser locator 7 are obtained through emitting laser, after the distance and the angle are known, the controller 18 controls the third motor 8 to drive the bracket 4 to move, the bracket 4 drives the scraper 11 to move, when the laser locator 7 on the scraper 11 transmits the position information of the plate filter press filter plate 2 to the controller 18, the controller 18 controls the second motor 14 to operate, and the second motor 14 drives the receiving hopper 12 to move the lower part of the plate filter press filter plate 2, so that sludge can fall into the receiving hopper 12.
The limit sensor 17 is arranged at the maximum stroke of the plate filter press on the ground, when the whole material receiving process is finished, the material receiving hopper 12 moves to the maximum stroke position below the plate filter press and is detected by the limit sensor 17, the limit sensor 17 transmits signals to the controller 18, and the controller 18 immediately cuts off the power supply of the second motor 14.
Further optimizing scheme, fixedly connected with a plurality of crossbeams 3 between two plate filter press frames 1, a plurality of plate filter press filter plates 2 sliding connection are on a plurality of crossbeams 3, are provided with drive portion on the crossbeam 3, and power portion passes through drive portion and is connected with the transmission of a plurality of plate filter press filter plates 2.
The power part drives a plurality of plate filter press filter plates 2 to move on the cross beam 3 through the transmission part, and the dehydration of sludge by the plurality of plate filter press filter plates 2 is the prior art and is not repeated.
According to the working principle of the device, after sludge is dehydrated by a plurality of plate filter press filter plates 2, the third motor 8 is controlled by the controller 18 to operate, the third motor 8 drives the sliding block 5 to move on the guide rail 6, the sliding block 5 drives the support 4 to move, when the sliding block moves to the position above one plate filter press filter plate 2, the position information of the plate filter press filter plates 2 is transmitted to the controller 18 by the laser positioner 7, the controller 18 controls the second motor 14 to operate, the second motor 14 drives the traction steel rope 16 to move, the traction steel rope 16 pulls the traction ring 13, so that the receiving hopper 12 moves, when the receiving hopper 12 moves to the lower part of the corresponding plate filter press filter plate 2, the second motor 14 stops operating, the controller 18 controls the first motor 10 to operate, the first motor 10 drives the mud scraping plate 11 to scrape the sludge, the sludge falls into the receiving hopper 12, after the mud scraping work of one plate filter press filter plate 2 is completed, the third motor 8 drives the support 4 to continue to move to scrape the next plate filter press filter plate 2, and after the receiving hopper 12 is full of the sludge is driven by the second motor 14, and the receiving hopper 12 is transported to a discharging area.
The utility model has the following beneficial effects:
(1) After the sludge is dehydrated through the plate filter press filter plates 2, the sludge enters a sludge unloading stage, the power part drives the transmission part to separate the plate filter press filter plates 2 one by one, the laser locator 7 determines the positions of the plate filter press filter plates 2 through laser, the third motor 8 drives the support 4 to move to the positions of the plate filter press filter plates 2, the first motor 10 starts to rotate, the first motor 10 and the threaded rod 9 are matched in a transmission manner to push the mud scraping plate 11 to move downwards, the sludge adhered to the plate filter press filter plates 2 is scraped from top to bottom, after the sludge scraping is completed, the mud scraping plate 11 returns to the original height position, the support 4 continues to move, and the next sludge scraping program is entered. After the automatic mud scraping device is added to the plate filter press, automatic removal of the dehydrated mud can be realized, manual participation is reduced, labor cost is reduced, and mud scraping efficiency is improved.
(2) The receiving hopper 12 is arranged, the receiving hopper 12 can be driven by the second motor 14 to horizontally move to the lower side of the filter plate 2 of the plate filter press, then the mud scraping plate 11 scrapes the mud on the filter plate 2 of the plate filter press, and the mud falls into the receiving hopper 12, so that the structure is simple, the installation is easy, and the maintenance cost is low.
(3) The mud scraping plate 11 is made of rubber, so that mud scraping operation is performed, abrasion is reduced, and the service life of automatic mud scraping equipment is prolonged.
(4) The automatic mud scraping assembly is matched with the conveying assembly, so that continuous mud removal and mud discharge can be realized, and the time for mud removal and mud discharge is reduced.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (6)
1. An automatic mud discharging device of a mud plate filter press of a desulfurization wastewater zero discharge system, which is characterized by comprising:
the filter pressing assembly comprises two plate filter press frames (1), a plurality of plate filter press filter plates (2) are arranged between the two plate filter press frames (1), and the plate filter press filter plates (2) are in transmission connection with a power part;
the automatic mud scraping assembly comprises a support (4), a guide rail (6) is fixedly connected between two plate filter press frames (1), the support (4) is slidably connected to the guide rail (6), a third motor (8) is fixedly connected to the support (4), the third motor (8) is in transmission connection with the guide rail (6), a mud scraping plate (11) and a first motor (10) are arranged on the support (4), the first motor (10) is in transmission connection with the mud scraping plate (11), and the first motor (10) is fixedly connected to the support (4);
the conveying assembly comprises a receiving hopper (12), the receiving hopper (12) is positioned below the plate filter press filter plate (2), the receiving hopper (12) is connected with a second motor (14) in a transmission manner, and the second motor (14) is fixedly connected to the ground.
2. The automatic sludge discharging device of the desulfurization wastewater zero-discharge system sludge plate filter press according to claim 1, which is characterized in that: the novel scraper comprises a scraper (11) and a support (4), wherein the scraper (11) is in sliding connection with the support, a threaded rod (9) is fixedly connected to the output end of a first motor (10), a nut is fixedly connected to the scraper (11), the threaded rod (9) is in threaded connection with the nut, and the threaded rod (9) is arranged in the nut in a rotating mode.
3. The automatic sludge discharging device of the desulfurization wastewater zero-discharge system sludge plate filter press according to claim 2, which is characterized in that: the support (4) is fixedly connected with a plurality of sliding blocks (5), the sliding blocks (5) are in sliding connection with the guide rail (6), the third motor (8) is fixedly connected to the sliding blocks (5), and the third motor (8) is in transmission connection with the guide rail (6).
4. The automatic sludge discharging device of the desulfurization wastewater zero-discharge system sludge plate filter press according to claim 1, which is characterized in that: the second motor (14) is in transmission connection with a traction steel cable (16), a fixed pulley (15) is fixedly connected to the plate filter press frame (1), a traction ring (13) is fixedly connected to the receiving hopper (12), the traction steel cable (16) is fixedly connected with the traction ring (13), the traction steel cable (16) is wound on the fixed pulley (15), and the receiving hopper (12) is located between the fixed pulley (15) and the second motor (14).
5. The automatic sludge discharging device of the desulfurization wastewater zero-discharge system sludge plate filter press according to claim 4, which is characterized in that: the utility model discloses a plate filter board, including scraper (11), laser locator (7) is fixed connection on scraper (11), laser orientation that laser locator (7) launched plate filter board (2), subaerial fixedly connected with limit sensor (17), laser locator (7 limit sensor (17) first motor (10) second motor (14) with third motor (8) electric connection has controller (18).
6. The automatic sludge discharging device of the desulfurization wastewater zero-discharge system sludge plate filter press according to claim 1, which is characterized in that: a plurality of cross beams (3) are fixedly connected between the two plate filter press frames (1), a plurality of plate filter press filter plates (2) are slidably connected to a plurality of cross beams (3), a transmission part is arranged on each cross beam (3), and the power part is in transmission connection with a plurality of plate filter press filter plates (2) through the transmission part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222836749.2U CN218910124U (en) | 2022-10-27 | 2022-10-27 | Automatic mud discharging device of mud plate filter press of desulfurization wastewater zero-discharge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222836749.2U CN218910124U (en) | 2022-10-27 | 2022-10-27 | Automatic mud discharging device of mud plate filter press of desulfurization wastewater zero-discharge system |
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| Publication Number | Publication Date |
|---|---|
| CN218910124U true CN218910124U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222836749.2U Active CN218910124U (en) | 2022-10-27 | 2022-10-27 | Automatic mud discharging device of mud plate filter press of desulfurization wastewater zero-discharge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218910124U (en) |
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- 2022-10-27 CN CN202222836749.2U patent/CN218910124U/en active Active
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