Pre-separation device for hazardous waste recovery

Abstract

The utility model relates to the technical field of hazardous waste recovery pretreatment, in particular to a pre-separation device for hazardous waste recovery. The pre-separation device for hazardous waste recovery comprises a separation box, a horizontally-arranged transverse partition plate is fixedly installed in the separation box, the separation box is divided into a separation cavity and a material storage cavity which are distributed up and down through the transverse partition plate, and a filter pressing component and a slag discharging component which are symmetrically distributed are installed in the separation cavity. According to the pre-separation device for hazardous waste recovery, the hydraulic cylinder A drives the filter pressing plate to conduct filter pressing on hazardous waste, liquid in solid waste is effectively squeezed out, the separation efficiency is improved, after filter pressing is completed, the residue discharging component automatically pushes filter pressing residues into the residue storage chamber through the synergistic effect of the hydraulic cylinder B and the spring, manual operation is reduced, and the labor intensity of workers is relieved. The treatment efficiency is improved, filter residues on the filter screen plate can be scraped by the abutting plate in the return stroke process, and the filter screen plate is effectively prevented from being blocked.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of dangerous waste recycling pretreatment technology especially relates to a preseparation device for dangerous waste recycling. BACKGROUND

[0002] Dangerous waste is a kind of solid waste with dangerous characteristics, which has corrosivity, toxicity, flammability and infectivity, and has harmful effects on the environment and human health. In order to better handle the dangerous waste, a separation device is needed for solid-liquid separation. Most separation devices use filter screens to separate solid waste, but the liquid absorbed in the solid waste cannot be effectively separated, which greatly reduces the effect of solid-liquid separation.

[0003] Therefore, it is necessary to provide a new preseparation device for dangerous waste recycling to solve the above technical problems. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a preseparation device for dangerous waste recycling.

[0005] The preseparation device for dangerous waste recycling provided by the utility model comprises a separation tank, a horizontal partition plate fixedly installed in the separation tank, and the separation tank is divided into an upper separation cavity and a lower storage cavity by the partition plate;

[0006] The separation cavity is provided with symmetrically distributed filter pressing components and slag discharging components, which cooperate with each other to realize filter pressing of dangerous waste and separation of filter pressing residue and filter pressing liquid;

[0007] The storage cavity is provided with a vertical partition plate fixedly installed therein, which divides the storage cavity into a left residue storage chamber and a right liquid storage chamber, the top of the residue storage chamber is provided with a slag falling port, and the top of the liquid storage chamber is provided with a stepped liquid falling port, and the slag falling port and the stepped liquid falling port are arranged on the side of the partition plate.

[0008] Preferably, the filter pressing component comprises a mounting bracket fixedly installed on the outer tank wall of the separation tank, and a horizontal hydraulic cylinder A is fixedly installed on the mounting bracket through a rack, the output end of the hydraulic cylinder A extends into the separation cavity and is fixedly installed with a filter pressing plate, and the two side surfaces and the bottom surface of the filter pressing plate are in contact with the inner wall of the separation cavity.

[0009] Preferably, a sliding rail is fixedly installed on the mounting bracket, and a slidingly connected guide rod is inserted into the sliding rail, and the guide rod extends into the separation cavity and is fixedly connected with the filter pressing plate.

[0010] Preferably, the residue discharging component comprises fixed supports fixedly installed on the outer tank wall of the separation tank and symmetrically distributed with the installation support, and a plurality of sliding rods are inserted on the fixed supports in parallel and are slidingly connected, one end of the sliding rod extends into the separation cavity and is fixedly installed with an abutting plate, and the other end of the sliding rod is fixedly installed with a middle connecting plate, and the two side plate surfaces and the bottom plate surface of the abutting plate are in contact with the inner wall of the separation cavity, and a spring is sleeved on the sliding rod;

[0011] A hydraulic cylinder B for pushing the middle connecting plate is fixedly installed on the fixed support through a rack.

[0012] Preferably, a limiting frame is fixedly installed on the top of the middle connecting plate, the output end of the hydraulic cylinder B is installed with a connecting piece, the connecting piece comprises a sliding frame fixedly installed on the output end of the hydraulic cylinder B, an insertion plate is inserted in the sliding frame in sliding connection, and a threaded hole is formed in the sliding frame and is inserted with a fastening screw in threaded connection.

[0013] Preferably, one end of the spring is fixedly connected with the inner plate wall of the middle connecting plate, and the other end of the spring is fixedly connected with the fixed support.

[0014] Preferably, a filter screen is laid in the stepped liquid falling port.

[0015] Preferably, a rotating door is rotatably installed on the corresponding separation tank of the residue storage chamber, a plane lock is installed on the rotating door, and a liquid discharge valve is installed on the corresponding separation tank of the liquid storage chamber.

[0016] Compared with the related art, the pre-separation device for hazardous waste recycling has the following beneficial effects:

[0017] In the utility model, the symmetrically distributed filter pressing component and residue discharging component are internally arranged, the filter pressing plate is driven by the hydraulic cylinder A to press filter the hazardous waste, liquid in the solid waste is effectively squeezed out, and the separation efficiency is improved, after the filter pressing is completed, the residue discharging component automatically pushes the filter pressing residue into the residue storage chamber through the cooperation of the hydraulic cylinder B and the spring, manual operation is reduced, and the processing efficiency is improved, in the filter pressing process, the filter pressing plate and the abutting plate are in close contact with the inner wall of the separation cavity, the filter residue or the filter liquid is prevented from overflowing from the gap, meanwhile, the abutting plate can scrape the filter residue on the filter screen during the return, and the filter screen is effectively prevented from being blocked. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure schematic view of a preferred embodiment of the pre-separation device for hazardous waste recycling is provided.

[0019] Figure 2 The structure schematic view of a preferred embodiment of the pre-separation device for hazardous waste recycling is provided. Figure 1 The sectional structure schematic view of the separation tank is shown.

[0020] Figure 3 As Figure 2 the front view structural schematic diagram of the separation tank shown in the figure;

[0021] Figure 4 As Figure 2 the structural schematic diagram of the filter pressing component shown in the figure;

[0022] Figure 5 As Figure 2 the structural schematic diagram of the residue discharging component shown in the figure;

[0023] Figure 6 As Figure 5 the structural schematic diagram of the connecting piece in the residue discharging component shown in the figure;

[0024] Figure 7 As Figure 2 the structural schematic diagram of the filter screen shown in the figure.

[0025] The figure mark: 1, separation tank; 1a, separation cavity; 1b, storage cavity; 1b1, residue storage chamber; 1b2, liquid storage chamber; 11, transverse partition plate; 11a, residue falling port; 11b, stepped liquid falling port; 12, vertical partition plate; 2, filter screen; 3, filter pressing component; 31, mounting bracket; 32, hydraulic cylinder A; 33, filter pressing plate; 34, sliding rail; 35, guide rod; 4, residue discharging component; 41, fixed bracket; 42, sliding rod; 43, abutting plate; 44, middle connecting plate; 45, spring; 46, hydraulic cylinder B; 47, connecting piece; 471, sliding frame; 472, plug-in plate; 473, fastening screw rod; 48, limiting frame; 5, rotating door; 6, liquid discharging valve. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0027] The specific implementation of the utility model will be described in detail by combining with specific examples.

[0028] Please refer to Figures 1 to 7 , the utility model example provides a kind of pre-separation device for hazardous waste recycling, and the pre-separation device for hazardous waste recycling includes separation tank 1, filter pressing component 3 and residue discharging component 4.

[0029] In the embodiment of the utility model, please refer to Figures 1 to 7The separating tank 1 is fixedly installed with a horizontally arranged transverse partition plate 11, the separating tank 1 is divided into an upper separating cavity 1a and a lower storage cavity 1b by the transverse partition plate 11, the storage cavity 1b is fixedly installed with a vertically arranged vertical partition plate 12, the storage cavity 1b is divided into a left residue storage chamber 1b1 and a right liquid storage chamber 1b2 by the vertical partition plate 12, a residue falling port 11a is formed in the top of the residue storage chamber 1b1, a stepped liquid falling port 11b is formed in the top of the liquid storage chamber 1b2, the residue falling port 11a and the stepped liquid falling port 11b are arranged at the side of the transverse partition plate 11, a filter screen plate 2 is arranged in the stepped liquid falling port 11b, a rotatable door 5 is rotatably arranged on the separating tank 1 corresponding to the residue storage chamber 1b1, a flat lock is arranged on the rotatable door 5, and a liquid discharge valve 6 is arranged on the separating tank 1 corresponding to the liquid storage chamber 1b2;

[0030] The separating cavity 1a is installed with symmetrically arranged pressure filtration components 3 and residue discharge components 4, and the pressure filtration components 3 and the residue discharge components 4 are matched to realize pressure filtration of the hazardous waste and separation of pressure filtration residue and pressure filtration liquid.

[0031] It should be noted that the hazardous waste is put into the separating cavity 1a between the pressure filtration components 3 and the residue discharge components 4, the pressure filtration components 3 and the residue discharge components 4 are matched to realize pressure filtration of the hazardous waste, the pressure filtration liquid formed after filtration of the filter screen plate 2 falls into the liquid storage chamber 1b2, and the pressure filtration residue formed falls into the residue storage chamber 1b1 through the residue falling port 11a under the action of the residue discharge components 4, so that the hazardous waste is effectively pretreated and classified.

[0032] In the embodiment of the utility model, please refer to Figures 1 to 7 The pressure filtration component 3 comprises an installation support 31, the installation support 31 is fixedly installed on the outer tank wall of the separating tank 1, a horizontally arranged hydraulic cylinder A 32 is fixedly installed on the installation support 31 through a rack, and the output end of the hydraulic cylinder A 32 extends into the separating cavity 1a and is fixedly installed with a pressure filtration plate 33.

[0033] The residue discharge component 4 comprises a fixed support 41, the fixed support 41 is fixedly installed on the outer tank wall of the separating tank 1 and is symmetrically distributed with the installation support 31, a plurality of sliding rods 42 are inserted on the fixed support 41 and are arranged side by side and are slidingly connected, one end of the sliding rod 42 extends into the separating cavity 1a and is fixedly installed with an abutting plate 43, the other end of the sliding rod 42 is fixedly installed with a middle connecting plate 44, a spring 45 is sleeved on the sliding rod 42, one end of the spring 45 is fixedly connected with the inner plate wall of the middle connecting plate 44, and the other end of the spring 45 is fixedly connected with the fixed support 41.

[0034] The fixed support 41 is fixedly installed with a hydraulic cylinder B 46 for pushing the middle connecting plate 44 through the frame, the top of the middle connecting plate 44 is fixedly installed with a limiting frame 48, the output end of the hydraulic cylinder B 46 is installed with a connecting piece 47, and the connecting piece 47 comprises a sliding frame 471 which is fixedly installed on the output end of the hydraulic cylinder B 46, and a plug-in plate 472 which is slidingly inserted in the sliding frame 471, and a threaded hole is formed in the sliding frame 471 and a fastening screw 473 is inserted in the threaded hole in threaded connection.

[0035] It should be noted that the hydraulic cylinder A 32 is not opened before the hazardous waste is put in, at this time the filter plate 33 is located on the left side of the slag falling port 11a, and the abutting plate 43 is in close contact with the filter plate 33 under the elastic force of the spring 45 and is located above the slag falling port 11a, at this time the plug-in plate 472 is inserted into the limiting frame 48 and is fixed by the fastening screw 473, then the hydraulic cylinder B 46 is opened to push the middle connecting plate 44 to slide out, until the abutting plate 43 slides to near the filter screen plate 2 (not over the filter screen plate 2), and the spring 45 is stretched, then the hydraulic cylinder A 32 is opened to drive the filter plate 33 to slide through the slag falling port 11a so that it is located on the right side of the slag falling port 11a (as shown in Figure 3

[0036] After completion, the hazardous waste is put into the separation cavity 1a between the filter plate 33 and the abutting plate 43, then the fastening screw 473 is loosened and the plug-in plate 472 is taken out of the limiting frame 48, so that the connection between the hydraulic cylinder B 46 and the middle connecting plate 44 is released.

[0037] Then the hydraulic cylinder A 32 is continuously opened, so that the filter plate 33 pushes the hazardous waste out to push the abutting plate 43, so that the sliding rod 42 slides out and the spring is stretched, until the abutting plate 43 slides through the filter screen plate 2 and abuts the inner wall of the separation cavity 1a, and the filter plate 33 cooperates with the abutting plate 43 to effectively filter the hazardous waste therebetween, and the filter liquid is filtered by the filter screen plate 2 and falls into the liquid storage chamber 1b2, after the filtration is completed, the hydraulic cylinder A 32 is opened to return until the filter plate 33 slides through the slag falling port 11a and abuts the inner wall of the separation cavity 1a, at this time the abutting plate 43 pushes the filter residue into the slag falling port 11a under the elastic force of the spring 45, so that the filter residue is collected.

[0038] Wherein, when the abutting plate 43 slides through the filter screen plate 2, the filter residue on the filter screen plate 2 can be scraped up and pushed into the slag falling port 11a, effectively cleaning the filter screen plate 2, and in order to further improve the filtering effect of the filter screen plate 2, the staff regularly clean or replace it.

[0039] And in this embodiment: the maximum stroke of the hydraulic cylinder B 46 is that the abutting plate 43 slides to near the filter screen plate 2 (not over the filter screen plate 2).

[0040] ​Further, the mounting bracket 31 is fixedly provided with a sliding rail 34, and a guide rod 35 is inserted and connected to the sliding rail 34, the guide rod 35 extends into the separation cavity 1a and is fixedly connected to the filter plate 33, and the guide rod 35 improves the stability of the hydraulic cylinder A32 when driving the filter plate 33 to press the hazardous waste, and avoids the filter plate 33 from being deviated.

[0041] The two side plates and the bottom plate of the filter plate 33 are in contact with the inner wall of the separation cavity 1a, and the two side plates and the bottom plate of the abutting plate 43 are in contact with the inner wall of the separation cavity 1a, so that the overflow of the filter residue or the filtrate from the gap between the filter plate 33 or the abutting plate 43 and the separation cavity 1a is avoided.

[0042] In the present application, the filter plate 33 and the residue discharging component 4 are symmetrically arranged, the filter plate 33 is driven by the hydraulic cylinder A32 to press the hazardous waste, so that the liquid in the solid waste is effectively squeezed out, and the separation efficiency is improved, and after the filtration is completed, the residue discharging component 4 automatically pushes the filter residue into the residue storage chamber 1b1 by the cooperation of the hydraulic cylinder B46 and the spring 45, so that the manual operation is reduced and the processing efficiency is improved, and in the filtration process, the filter plate 33 and the abutting plate 43 are in close contact with the inner wall of the separation cavity 1a, so that the filter residue or the filtrate is prevented from overflowing from the gap, and the filter residue on the filter screen plate 2 is scraped by the abutting plate 43 during the return stroke, so that the filter screen plate 2 is effectively prevented from being blocked.

[0043] It is worth noting that: in order to eliminate the hidden danger of spring 45 due to rusting and loss of elasticity, the spring 45 is made of stainless steel or titanium alloy spring, which improves the corrosion resistance, and the filter screen plate 2, the filter plate 33, the abutting plate 43 and the spring 45 are coated with anti-corrosion and anti-rust paint (the specific paint is selected and sprayed by the technical personnel), which improves the service life.

[0044] The circuit and the control involved in the present application are prior art, and will not be described in detail here.

[0045] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process conversion made by using the content of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A pre-separation device for hazardous waste recovery, comprising a separation tank (1), a horizontal partition plate (11) is fixedly installed in the separation tank (1), the separation tank (1) is divided into an upper separation cavity (1a) and a lower storage cavity (1b) by the partition plate (11), characterized in that: the separation cavity (1a) is provided with symmetrically distributed filter pressing components (3) and residue discharging components (4), the filter pressing components (3) and the residue discharging components (4) cooperate to realize filter pressing of hazardous waste and separation of filter pressing residue and filter pressing liquid; the storage cavity (1b) is provided with a vertical partition plate (12) fixedly installed therein, the storage cavity (1b) is divided into a left residue storage chamber (1b1) and a right liquid storage chamber (1b2) by the vertical partition plate (12), a residue falling port (11a) is formed in the top of the residue storage chamber (1b1), a stepped liquid falling port (11b) is formed in the top of the liquid storage chamber (1b2), and the residue falling port (11a) and the stepped liquid falling port (11b) are arranged on the side of the horizontal partition plate (11).

2. The pre-separation device for hazardous waste recovery according to claim 1, characterized by the filter pressing component (3) comprises a mounting bracket (31) fixedly installed on the outer wall of the separation tank (1), a horizontal hydraulic cylinder A (32) is fixedly installed on the mounting bracket (31) by a rack, the output end of the hydraulic cylinder A (32) extends into the separation cavity (1a) and is fixedly installed with a filter pressing plate (33), and the two side surfaces and the bottom surface of the filter pressing plate (33) are in contact with the inner wall of the separation cavity (1a).

3. The pre-separation device for hazardous waste recovery according to claim 2, characterized by a slide rail (34) is fixedly installed on the mounting bracket (31), a guide rod (35) is inserted and connected to the slide rail (34), the guide rod (35) extends into the separation cavity (1a) and is fixedly connected with the filter pressing plate (33).

4. The pre-separation device for hazardous waste recovery according to claim 2, characterized by the residue discharging component (4) comprises a fixed bracket (41) fixedly installed on the outer wall of the separation tank (1) and symmetrically distributed with the mounting bracket (31), a plurality of slide rods (42) are inserted and connected to the fixed bracket (41) in parallel, one end of the slide rod (42) extends into the separation cavity (1a) and is fixedly installed with an abutting plate (43), the other end of the slide rod (42) is fixedly installed with a middle connecting plate (44), the two side surfaces and the bottom surface of the abutting plate (43) are in contact with the inner wall of the separation cavity (1a), and a spring (45) is sleeved on the slide rod (42); a hydraulic cylinder B (46) for pushing the middle connecting plate (44) is fixedly installed on the fixed bracket (41) by a rack.

5. The pre-separation device for hazardous waste recovery according to claim 4, characterized by a limiting frame (48) is fixedly installed on the top of the middle connecting plate (44), a connecting piece (47) is installed on the output end of the hydraulic cylinder B (46), the connecting piece (47) comprises a sliding frame (471) fixedly installed on the output end of the hydraulic cylinder B (46), a plug-in plate (472) is inserted and connected in the sliding frame (471), and a fastening screw (473) is inserted and connected in the threaded through hole of the sliding frame (471).

6. The pre-separation device for hazardous waste recovery according to claim 5, wherein One end of the spring (45) is fixedly connected with the inner plate wall of the middle plate (44), and the other end of the spring (45) is fixedly connected with the fixed support (41).

7. The pre-separation device for hazardous waste recovery according to claim 1, characterized by The filter screen plate (2) is arranged in the stepped liquid falling port (11b).

8. The pre-separation device for hazardous waste recovery according to claim 1, characterized by A rotating door (5) is rotatably arranged on the corresponding separation tank (1) of the residue storage chamber (1b1), and a flat lock is arranged on the rotating door (5); and a liquid discharge valve (6) is arranged on the corresponding separation tank (1) of the liquid storage chamber (1b2).

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