Waste slurry filter pressing device for concrete processing

Abstract

The utility model relates to a waste slurry filter pressing device for concrete processing, which is characterized in that when a filter cake obtained by filter pressing needs to be discharged, a linear driving piece can be operated to drive a filter assembly to move through a pressing plate, and the filter assembly drives other filter assemblies to move through a telescopic connecting piece; the filter assemblies are separated, then filter cakes filtered out by the filter assemblies fall out of the device from the filter assemblies, and when the filter cakes adhering to the filter assemblies need to be discharged, the linkage driving assembly can be operated to drive the lead screw lifting machine to operate; the lead screw lifter drives the scraper to descend to the position between the filtering assemblies through the lifting frame, then the first rotating driving part is operated, the first rotating driving part drives the scraper to unfold through the rotating shaft, the lower portion of the scraper is attached to the filtering assemblies, and then the lead screw lifter continues to be operated to drive the scraper to descend; therefore, a filter cake adhered to the filter assembly is scraped off.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete waste slurry pressure filtration, in particular to a waste slurry pressure filtration device for concrete processing. Background Art

[0002] With the wide application of commercial concrete, a large amount of sewage and waste are generated while concrete mixing plants produce commercial concrete. The discharge of these wastes mainly comes from the wastewater and waste slurry generated by cleaning the mixing transport trucks, mixing main engines, and flushing the production sites, as well as the remaining concrete from factory inspection sampling, the remaining and scrapped concrete caused by irresistible factors.

[0003] To reduce the impact of waste slurry water discharge on the environment, concrete enterprises need to treat the wastewater through a pressure filtration device to reduce the concrete content in the wastewater. However, since the fine substances in the wastewater adhere to the pressure filtration device after being pressed into filter cakes and cannot fall off naturally, it will greatly affect the subsequent wastewater pressure filtration and the quality of the subsequent wastewater pressure filtration. Content of the Utility Model

[0004] (I) Technical Problems to be Solved

[0005] To solve the above problems of the prior art, the utility model provides a waste slurry pressure filtration device for concrete processing, which can more conveniently and efficiently perform pressure filtration on the wastewater for concrete processing, enable the filter cakes filtered by the pressure filtration device to better detach from the pressure filtration device, make the subsequent wastewater better perform pressure filtration operations, and improve the pressure filtration quality.

[0006] (II) Technical Solutions

[0007] To achieve the above purpose, the main technical solutions adopted by the utility model include:

[0008] A waste slurry pressure filtration device for concrete processing includes a pressure filter body and a discharging mechanism, and the discharging mechanism is connected to the pressure filter body;

[0009] The pressure filter body includes a linear driving member, a mounting frame, a thrust plate, a telescopic connecting member, a filtering component, and a pressing plate. The discharging mechanism is arranged on the upper part of the mounting frame. One end of the mounting frame is provided with the thrust plate. A plurality of the filtering components are slidably connected to the mounting frame from left to right. The filtering components are connected to each other through the telescopic connecting member. The filtering component closest to the thrust plate on the mounting frame is connected to the thrust plate. The pressing plate is arranged on the filtering component farthest from the thrust plate on the mounting frame. The linear driving member is drivingly connected to the pressing plate;

[0010] The discharging mechanism includes a frame, a linkage driving assembly, and a plurality of scraping assemblies. The frame is disposed on the upper part of the mounting frame. One scraping assembly is arranged between each of the filtering assemblies. Each scraping assembly is connected to the frame, and the scraping assemblies are connected to each other through the linkage driving assembly;

[0011] Each scraping assembly includes a screw jack, a lifting frame, a first rotation driving member, a rotating shaft, and two scraping plates. The upper part of the screw jack is connected to the frame. The lower part of the screw jack is provided with the lifting frame. The lower part of the lifting frame is provided with a mounting groove adapted to the scraping plate. The scraping plates are oppositely arranged inside the mounting groove. The upper part of one scraping plate is rotatably connected to the inside of the mounting groove through one rotating shaft. One first rotation driving member is drivingly connected to one rotating shaft. The lower part of the scraping plate is movably connected to the filtering assembly. The linkage driving assembly is drivingly connected to the screw jack.

[0012] Further, the linkage driving assembly includes a second rotation driving member and a transmission rod. The screw jacks are drivingly connected through the transmission rod. The second rotation driving member is drivingly connected to one of the screw jacks.

[0013] Further, it further includes a sliding rod. One sliding rod is arranged on each side of the lifting frame. The frame is provided with a sliding hole adapted to the sliding rod. One sliding rod is slidably connected to one sliding hole.

[0014] Further, the filtering assembly includes a filter frame and a filter cloth. The filter frame is slidably connected to the mounting frame. The filter cloth is arranged in the middle of the filter frame. The scraping plate is movably connected to the filter cloth. The middle part of the thrust plate is provided with a first liquid inlet. The middle part of the filter cloth is provided with a second liquid inlet. The first liquid inlet and the second liquid inlet are arranged on the same axis. The lower part of the thrust plate is provided with a first liquid outlet. The lower part of the filter frame is provided with a second liquid outlet. One end of the second liquid outlet is communicated with the lower part of the filter cloth, and the other end of the second liquid outlet is communicated with the first liquid outlet.

[0015] Further, it further includes a liquid collecting tank. The first liquid outlet is communicated with the upper part of the liquid collecting tank. The lower part of the liquid collecting tank is provided with a sewage outlet.

[0016] Further, it further includes a slag collecting tank. The slag collecting tank is arranged below the filter frame. The slag collecting tank is connected to the mounting frame. The lower part of the slag collecting tank is provided with a slag discharge port.

[0017] Further, it further includes a PLC controller. The PLC controller is electrically connected to the filter press body and the discharging mechanism respectively.

[0018] (III) Beneficial effects

[0019] The beneficial effects of the present utility model are as follows: During the actual production and use process, when it is necessary to filter press the wastewater used for concrete processing, the wastewater can be introduced into the interior of the filter press body. Subsequently, the filter press body is operated to filter press the incoming wastewater. When it is necessary to discharge the filter cake filtered out, the linear drive member can be operated, so that the linear drive member drives a filtering component to move through the pressing plate, and the filtering component drives the remaining filtering components to move through the telescopic connecting member, causing the filtering components to separate from each other. Subsequently, the filter cake filtered out by the filtering components falls from the filtering components to the outside of the device. When it is necessary to unload the filter cake adhered to the filtering components, the linkage drive component can be operated, so that the linkage drive component drives the screw jack to operate. The screw jack drives the scraper to descend between the filtering components through the lifting frame. Subsequently, the first rotation drive member is operated, so that the first rotation drive member drives the scraper to expand through the rotating shaft, so that the lower part of the scraper fits the filtering components. Subsequently, the screw jack is continuously operated, so that the screw jack drives the scraper to descend, so as to scrape off the filter cake adhered to the filtering components. Therefore, it is possible to more conveniently and efficiently filter press the wastewater used for concrete processing, enable the filter cake filtered out by the filter press device to better separate from the filter press device, and enable the subsequent wastewater to better perform the filter pressing operation, improving the filter pressing quality. Description of the Drawings

[0020] Figure 1 It is a schematic diagram of the overall structure of the waste slurry filter press device for concrete processing according to the embodiment of the present utility model;

[0021] Figure 2 It is a front view of the overall structure of the waste slurry filter press device for concrete processing according to the embodiment of the present utility model;

[0022] Figure 3 It is a cross-sectional view of the overall structure of the waste slurry filter press device for concrete processing according to the embodiment of the present utility model;

[0023] Figure 4 It is a schematic diagram of the unloading mechanism of the waste slurry filter press device for concrete processing according to the embodiment of the present utility model;

[0024] Figure 5 It is a front view of the unloading mechanism of the waste slurry filter press device for concrete processing according to the embodiment of the present utility model;

[0025]

Description of the Reference Numerals

[0026] Discharging mechanism 1, linear drive member 2, pressing plate 3, telescopic connecting member 4, slider 5, filter assembly 6, thrust plate 7, slag collection box 8, liquid collection box 9, feed pump 10, mounting frame 11, machine frame 101, screw jack 102, transmission rod 103, first rotation drive member 104, transmission belt 105, rotating shaft 106, scraper 107, second rotation drive member 108, slide bar 109, lifting frame 110, second liquid inlet 601, filter frame 602, filter cloth 603, second liquid outlet 604, first liquid outlet 605, first liquid inlet 606. Specific embodiments

[0027] In order to better explain the present invention for easy understanding, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] Please refer to Figures 1 to 5 As shown, a waste slurry pressure filtration device for concrete processing according to the present invention includes a pressure filtration machine body and a discharging mechanism 1, and the discharging mechanism 1 is connected to the pressure filtration machine body;

[0029] The pressure filtration machine body includes a linear drive member 2, a mounting frame 11, a thrust plate 7, a telescopic connecting member 4, a filter assembly 6 and a pressing plate 3. The discharging mechanism 1 is arranged on the upper part of the mounting frame 11. One end of the mounting frame 11 is provided with the thrust plate 7. A plurality of the filter assemblies 6 are slidably connected to the mounting frame 11 from left to right. The filter assemblies 6 are connected to each other through the telescopic connecting member 4. The filter assembly 6 closest to the thrust plate 7 on the mounting frame 11 is connected to the thrust plate 7. A pressing plate 3 is arranged on the filter assembly 6 farthest from the thrust plate 7 on the mounting frame 11. The linear drive member 2 is drivingly connected to the pressing plate 3;

[0030] The discharging mechanism 1 includes a machine frame 101, a linkage drive assembly and a plurality of scraping assemblies. The machine frame 101 is arranged on the upper part of the mounting frame 11. One scraping assembly is arranged between the filter assemblies 6. The scraping assemblies are all connected to the machine frame 101. The scraping assemblies are connected to each other through the linkage drive assembly;

[0031] The scraping component includes a screw jack 102, a lifting frame 110, a first rotation driving member 104, a rotating shaft 106, and two scraping plates 107. The upper part of the screw jack 102 is connected to the frame 101. The lower part of the screw jack 102 is provided with the lifting frame 110. The lower part of the lifting frame 110 is provided with an installation groove adapted to the scraping plate 107. The scraping plates 107 are oppositely arranged inside the installation groove. The upper part of each scraping plate 107 is rotatably connected to the inside of the installation groove through a rotating shaft 106. A first rotation driving member 104 is drivingly connected to a rotating shaft 106. The lower part of the scraping plate 107 is movably connected to the filtering component 6. The linkage driving component is drivingly connected to the screw jack 102.

[0032] The working principle of the present utility model is as follows: During actual production and use, when it is necessary to press-filter the wastewater for concrete processing, the wastewater can be introduced into the inside of the filter press body. Subsequently, the filter press body is operated to press-filter the incoming wastewater. When it is necessary to discharge the filter cake filtered out, the linear driving member 2 can be operated, so that the linear driving member 2 drives a filtering component 6 to move through the pressing plate 3, and the filtering component 6 drives the remaining filtering components 6 to move through the telescopic connecting member 4, so that the filtering components 6 are separated from each other. Subsequently, the filter cake filtered out by the filtering component 6 falls from the filtering component 6 to the outside of the device. When it is necessary to unload the filter cake adhered to the filtering component 6, the linkage driving component can be operated, so that the linkage driving component drives the screw jack 102 to operate, and the screw jack 102 drives the scraping plate 107 to descend between the filtering components 6 through the lifting frame 110. Subsequently, the first rotation driving member 104 is operated, so that the first rotation driving member 104 drives the scraping plate 107 to expand through the rotating shaft 106, so that the lower part of the scraping plate 107 fits the filtering component 6. Subsequently, the screw jack 102 is continuously operated, so that the screw jack 102 drives the scraping plate 107 to descend, so as to scrape off the filter cake adhered to the filtering component 6.

[0033] Further, the linkage driving component includes a second rotation driving member 108 and a transmission rod 103. The screw jacks 102 are drivingly connected through the transmission rod 103. The second rotation driving member is drivingly connected to a screw jack 102.

[0034] As can be seen from the above description, when it is necessary to unload the filter cake adhered to the filtering component 6, the second rotation driving member can be operated, so that the second rotation driving member drives a screw jack 102 to operate. Subsequently, the screw jack 102 drives the remaining screw jacks 102 to operate synchronously through the transmission rod 103, so that the scraping plate 107 extends between the filtering components 6 to perform the scraping and unloading action.

[0035] Further, it further includes a sliding rod 109. One sliding rod 109 is arranged on each of the two sides of the lifting frame 110. A sliding hole adapted to the sliding rod 109 is arranged on the frame 101, and one sliding rod 109 is slidably connected to one sliding hole.

[0036] As can be seen from the above description, it is beneficial for the lifting frame 110 to slide more stably on the frame 101 through the sliding rod 109 during lifting.

[0037] Further, the filtering assembly 6 includes a filter frame 602 and a filter cloth 603. The filter frame 602 is slidably connected to the mounting frame 11. The filter cloth 603 is arranged in the middle of the filter frame 602. The scraping plate 107 is movably connected to the filter cloth 603. A first liquid inlet 606 is arranged in the middle of the thrust plate 7. A second liquid inlet 601 is arranged in the middle of the filter cloth 603. The first liquid inlet 606 and the second liquid inlet 601 are arranged on the same axis. A first liquid outlet 605 is arranged at the lower part of the thrust plate 7. A second liquid outlet 604 is arranged at the lower part of the filter frame 602. One end of the second liquid outlet 604 is communicated with the lower part of the filter cloth 603, and the other end of the second liquid outlet 604 is communicated with the first liquid outlet 605.

[0038] As can be seen from the above description, it is beneficial that when pressure filtration is carried out, the linear driving member 2 can be operated to drive a plurality of filtering assemblies 6 to move towards the thrust plate 7 through the pressing plate 3, so that the filter frames 602 are mutually attached. Then, the waste slurry is introduced between the filter cloths 603 through the first liquid inlet 606, and is introduced between other filter cloths 603 through the second liquid inlet 601 for pressure filtration. The filtered clear water passes through the filter cloth 603 and flows into the second liquid outlet 604, and then is discharged outside the device through the first liquid outlet 605.

[0039] Further, it further includes a liquid collecting box 9. The first liquid outlet 605 is communicated with the upper part of the liquid collecting box 9, and a sewage outlet is arranged at the lower part of the liquid collecting box 9.

[0040] As can be seen from the above description, it is beneficial for the waste liquid filtered out by pressure filtration to enter the liquid collecting box 9 through the first liquid outlet 605 for centralized collection, so as to better treat the waste water in the liquid collecting box 9 subsequently.

[0041] Further, it further includes a slag collecting box 8. The slag collecting box 8 is arranged below the filter frame 602. The slag collecting box 8 is connected to the mounting frame 11, and a slag discharging port is arranged at the lower part of the slag collecting box 8.

[0042] As can be seen from the above description, it is beneficial for the filter cake to be centrally collected through the slag collecting box 8.

[0043] Further, it further includes a PLC controller, and the PLC controller is electrically connected to the filter press body and the discharging mechanism 1 respectively.

[0044] As can be seen from the above description, it is beneficial to adjust the parameters of the waste slurry filter press device for concrete processing through the PLC controller, and it makes the operation of the waste slurry filter press device for concrete processing more convenient for the operator.

[0045] Embodiment 1

[0046] Please refer to Figures 1 to 5 , a waste slurry filter press device for concrete processing, including a filter press body and a discharging mechanism 1, and the discharging mechanism 1 is connected to the filter press body;

[0047] The filter press body includes a linear driving member 2, a mounting frame 11, a thrust plate 7, a telescopic connecting member 4, a filtering assembly 6 and a pressing plate 3. The discharging mechanism 1 is arranged on the upper part of the mounting frame 11. One end of the mounting frame 11 is provided with the thrust plate 7. A plurality of the filtering assemblies 6 are slidably connected to the mounting frame 11 from left to right. The filtering assemblies 6 are connected to each other through the telescopic connecting member 4. The filtering assembly 6 closest to the thrust plate 7 on the mounting frame 11 is connected to the thrust plate 7. The pressing plate 3 is arranged on the filtering assembly 6 farthest from the thrust plate 7 on the mounting frame 11. The linear driving member 2 is drivingly connected to the pressing plate 3;

[0048] The linear driving member 2 adopts a hydraulic cylinder;

[0049] It further includes a feed pump 10, and the feed pump 10 is connected to the first liquid inlet 606;

[0050] The discharging mechanism 1 includes a frame 101, a linkage driving assembly and a plurality of scraping assemblies. The frame 101 is arranged on the upper part of the mounting frame 11. One scraping assembly is arranged between the filtering assemblies 6. The scraping assemblies are all connected to the frame 101. The scraping assemblies are connected to each other through the linkage driving assembly;

[0051] The scraping component includes a screw jack 102, a lifting frame 110, a first rotation driving member 104, a rotating shaft 106, and two scraping plates 107. The upper part of the screw jack 102 is connected to the frame 101. The lower part of the screw jack 102 is provided with the lifting frame 110. The lower part of the lifting frame 110 is provided with a mounting groove adapted to the scraping plate 107. The scraping plates 107 are oppositely arranged inside the mounting groove. The upper part of each scraping plate 107 is rotatably connected to the inside of the mounting groove through a rotating shaft 106. A first rotation driving member 104 is drivingly connected to a rotating shaft 106 through a transmission belt 105. The lower part of the scraping plate 107 is movably connected to the filtering component 6. The linkage driving component is drivingly connected to the screw jack 102;

[0052] The first rotation driving member 104 adopts a stepping motor, which is beneficial to better self-lock the rotating shaft 106 through the stepping motor, so that the scraping plate 107 can better discharge the filter cake adhered to the filter cloth 603;

[0053] The linkage driving component includes a second rotation driving member 108 and a transmission rod 103. The screw jacks 102 are drivingly connected through the transmission rod 103. The second rotation driving member is drivingly connected to a screw jack 102;

[0054] The second rotation driving member adopts a servo motor;

[0055] It further includes a sliding rod 109. One sliding rod 109 is arranged on each side of the lifting frame 110. The frame 101 is provided with a sliding hole adapted to the sliding rod 109. One sliding rod 109 is slidably connected to one sliding hole;

[0056] The filtering component 6 includes a filter frame 602 and a filter cloth 603. The filter frame 602 is slidably connected to the mounting frame 11. The filter cloth 603 is arranged in the middle of the filter frame 602. The scraping plate 107 is movably connected to the filter cloth 603. The middle of the thrust plate 7 is provided with a first liquid inlet 606. The middle of the filter cloth 603 is provided with a second liquid inlet 601. The first liquid inlet 606 and the second liquid inlet 601 are arranged on the same axis. The lower part of the thrust plate 7 is provided with a first liquid outlet 605. The lower part of the filter frame 602 is provided with a second liquid outlet 604. One end of the second liquid outlet 604 is communicated with the lower part of the filter cloth 603. The other end of the second liquid outlet 604 is communicated with the first liquid outlet 605;

[0057] It further includes a slider 5. One slider 5 is arranged on each side of the filter frame 602. The mounting frame 11 is provided with a sliding groove adapted to the slider 5. The slider 5 is slidably connected to the sliding groove;

[0058] It further includes a liquid collecting tank 9, the first liquid outlet 605 is communicated with the upper part of the liquid collecting tank 9, and a sewage outlet is arranged at the lower part of the liquid collecting tank 9;

[0059] It further includes a slag collecting tank 8, the slag collecting tank 8 is arranged below the filter frame 602, the slag collecting tank 8 is connected to the mounting frame 11, and a slag discharge port is arranged at the lower part of the slag collecting tank 8;

[0060] It further includes a PLC controller, and the PLC controller is electrically connected to the filter press body and the discharging mechanism 1 respectively;

[0061] The model of the PLC controller is DATA-7311, and the PLC controller is electrically connected to the linear driving member 2, the first rotational driving member 104, the second rotational driving member and the feeding pump 10 respectively.

[0062] The above shows and describes the basic principles, main features and advantages of the present invention. The standard parts used in the present invention can all be purchased from the market. The special-shaped parts can be customized according to the records in the specification and the drawings. The specific connection methods of each part all adopt the mature conventional means such as bolts, rivets and welding in the prior art. The machines, parts and equipment all adopt the conventional models in the prior art. Plus, the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here.

[0063] The above is only the embodiment of the present invention, and thus does not limit the patent scope of the present invention. All equivalent transformations made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in the related technical fields, are equally included in the patent protection scope of the present invention.

Claims

1. A waste slurry pressure filtration device for concrete processing, characterized in that: It comprises a filter press body and a discharge mechanism, wherein the discharge mechanism is connected to the filter press body; The filter press body comprises a linear drive member, a mounting frame, a thrust plate, a telescopic connection member, a filter assembly and a clamping plate, the unloading mechanism is arranged on the upper part of the mounting frame, one end of the mounting frame is provided with the thrust plate, the mounting frame is slidably connected with a plurality of filter assemblies from left to right, the filter assemblies are connected with each other through the telescopic connection member, the filter assembly on the mounting frame closest to the thrust plate is connected with the thrust plate, the filter assembly on the mounting frame farthest from the thrust plate is provided with the clamping plate, and the linear drive member is drivingly connected with the clamping plate; The unloading mechanism includes a frame, a linkage drive assembly and a plurality of scraper assemblies, wherein the frame is arranged on the upper part of the mounting frame, a scraper assembly is arranged between each of the filter assemblies, each of the scraper assemblies is connected to the frame, and the scraper assemblies are connected to each other through a linkage drive assembly; The scraper assembly includes a screw lift, a lifting frame, a first rotating drive member, a rotating shaft and two scrapers. The upper part of the screw lift is connected to the frame, the lower part of the screw lift is provided with the lifting frame, the lower part of the lifting frame is provided with a mounting groove adapted to the scraper, the scraper is relatively arranged inside the mounting groove, the upper part of each scraper is rotatably connected to the inside of the mounting groove through the rotating shaft, the first rotating drive member is drivingly connected to the rotating shaft, the lower part of the scraper is movably connected to the filter assembly, and the linkage drive assembly is drivingly connected to the screw lift.

2. The waste slurry pressure filtration device for concrete processing according to claim 1, wherein: The linkage drive assembly includes a second rotating drive member and a transmission rod. The screw lifters are connected to each other through the transmission rod. The second rotating drive member is connected to one of the screw lifters.

3. The waste slurry pressure filtration device for concrete processing according to claim 1, wherein: It also includes a slide rod, wherein each of the two sides of the lifting frame is provided with a slide rod, and the frame is provided with a slide hole matched with the slide rod, and one slide rod is slidably connected with one slide hole.

4. The waste slurry pressure filtration device for concrete processing according to claim 1, characterized in that: The filter assembly includes a filter frame and a filter cloth, the filter frame and the mounting frame are slidably connected, the filter cloth is arranged in the middle of the filter frame, the scraper is movably connected to the filter cloth, the middle of the thrust plate is provided with a first liquid inlet, the middle of the filter cloth is provided with a second liquid inlet, the first liquid inlet and the second liquid inlet are arranged on the same axis, the lower part of the thrust plate is provided with a first liquid outlet, the lower part of the filter frame is provided with a second liquid outlet, one end of the second liquid outlet is connected to the bottom of the filter cloth, and the other end of the second liquid outlet is connected to the first liquid outlet.

5. The waste slurry pressure filtration device for concrete processing according to claim 4, characterized in that: It also includes a liquid collecting box, wherein the first liquid outlet is communicated with the upper part of the liquid collecting box, and a sewage outlet is arranged at the lower part of the liquid collecting box.

6. The waste slurry pressure filtration device for concrete processing according to claim 4, wherein: It also includes a slag collecting box, which is arranged below the filter frame, connected to the mounting frame, and a slag discharge port is arranged at the lower part of the slag collecting box.

7. The waste slurry pressure filtration device for concrete processing according to claim 1, characterized in that: It also includes a PLC controller, which is electrically connected to the filter press body and the discharge mechanism respectively.

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