Hazardous waste storage and utilization device

Abstract

The utility model relates to the technical field of hazardous waste treatment equipment, and provides a hazardous waste storage and utilization device. Comprising a rack, a separation box arranged on the rack, a first crushing device arranged in the separation box, two filter screens arranged below the first crushing device, two cleaning devices arranged on the separation box and a crushing box connected to the side wall of the separation box, a feeding port is formed in the top of the separation box, and meshes of the lower filter screen are smaller than those of the upper filter screen. Two through holes are formed in the side wall of the separation box, the through holes are communicated with the crushing box, the cleaning device comprises a push plate, a plurality of rows of cleaning brushes arranged at the bottom of the push plate and an air cylinder connected to the push plate, the push plate can push solid waste on the filter screen into the crushing box from the through holes, and the cleaning brushes can extend into screen holes of the filter screen. The technical problems that an existing hazardous waste storage device does not separate solid and liquid, and follow-up classified recycling is inconvenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of hazardous waste treatment equipment, in particular to a hazardous waste storage and utilization device. Background Art

[0002] Hazardous waste refers to waste that is included in the national hazardous waste list or is identified as having hazardous characteristics according to the national hazardous waste identification and labeling and identification methods. If hazardous waste is discharged at will, it will pollute the environment and groundwater and affect human health. The existing hazardous waste storage devices do not separate solids and liquids during storage, which makes it inconvenient to classify and recycle hazardous waste. Utility Model Content

[0003] Therefore, in view of the above problems, the utility model proposes a hazardous waste storage and utilization device, which solves the technical problem that the existing hazardous waste storage device fails to separate solid and liquid, and is not convenient for subsequent classification and recycling.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A hazardous waste storage and utilization device comprises a frame, a separation box arranged on the frame, a first crushing device arranged in the separation box, two filter screens arranged below the first crushing device, two cleaning devices arranged on the separation box, and a crushing box connected to the side wall of the separation box, wherein a feed port is provided at the top of the separation box, the mesh size of the lower filter screen is smaller than the mesh size of the upper filter screen, the side wall of the separation box is provided with two through openings, the through openings are connected to the crushing box, the cleaning device comprises a push plate, multiple rows of cleaning brushes arranged at the bottom of the push plate, and a cylinder connected to the push plate, the push plate can push solid waste on the filter screen from the through opening into the crushing box, the cleaning brush can extend into the mesh size of the filter screen, a stirring device is provided at the bottom of the separation box, and a second crushing device is provided in the crushing box.

[0006] Further:

[0007] The first crushing device comprises two relatively rotating crushing rollers, one end of the two crushing rollers is connected to a gear box, a first motor is installed on the gear box, and the crushing rollers are provided with staggered crushing knives.

[0008] The second crushing device has the same structure as the first crushing device.

[0009] The separation box is provided with a water outlet pipe, a first control valve is installed on the water outlet pipe, the separation box is provided with a reagent inlet, a second control valve is provided on the reagent inlet, and a water level detection device is provided in the separation box.

[0010] The through port is provided with a valve.

[0011] The stirring device comprises a second motor arranged at the bottom of the separation box, a rotating shaft arranged at the output end of the second motor, and a stirring blade arranged on the rotating shaft.

[0012] The bottom of the cleaning brush is a V-shaped structure or a sloped structure.

[0013] The top of the push plate is arranged to be inclined downward toward the middle of the filter screen.

[0014] The bottom of the crushing box is provided with an inclined discharge port, a collecting box is provided below the discharge port, and casters are provided at the bottom of the collecting box.

[0015] By adopting the above technical solution, the beneficial effects of the utility model are:

[0016] The utility model performs a crushing process before filtering to facilitate subsequent solid-liquid separation, and then performs a secondary solid-liquid separation on hazardous waste through two filter screens, so that the liquid falls into the bottom of the separation box, and the push plate sends the solid to the crushing box to avoid solid accumulation on the filter screen. The cleaning brush can extend into the mesh of the filter screen for cleaning to prevent the mesh from being blocked and affecting the filtering effect, and the stirring device can accelerate the chemical treatment of the wastewater; further, the first crushing device helps to improve the solid-liquid separation effect, and the second crushing device makes the solid waste particles finer and more uniform, which is convenient for subsequent treatment; further, the water level detection device can monitor the liquid water level in the separation box to prevent wastewater from overflowing; further, the valve can prevent wastewater from entering the crushing box from the opening, thereby improving the solid-liquid separation effect; further, the sharp structure at the bottom of the cleaning brush can more easily clean the mesh and avoid mesh blockage; further, the inclined setting of the top of the push plate can make the waste slide and prevent waste accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the crushing roller;

[0019] Figure 3 It is a schematic diagram of the structure of the push plate and the cleaning brush.

[0020] In the figure: 1. frame; 2. separation box; 3. first crushing device; 4. filter; 5. cleaning device; 6. crushing box; 21. feed inlet; 22. through port; 23. valve; 51. push plate; 52. cleaning brush; 53. cylinder; 31. crushing roller; 32. gear box; 33. first motor; 34. crushing knife; 7. second crushing device; 24. water outlet pipe; 25. first control valve; 26. reagent inlet; 27. second control valve; 28. water level detection device; 8. stirring device; 81. second motor; 82. rotating shaft; 83. stirring blade; 61. discharge port; 62. collecting box; 63. caster. DETAILED DESCRIPTION

[0021] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.

[0022] refer to Figures 1 to 3 The utility model provides a hazardous waste storage and utilization device, comprising a frame 1, a separation box 2 arranged on the frame 1, a first crushing device 3 arranged in the separation box 2, two filter screens 4 arranged below the first crushing device 3, two cleaning devices 5 arranged on the separation box 2, and a crushing box 6 connected to the side wall of the separation box 2, wherein the top of the separation box 2 is provided with a feed port 21, the mesh of the lower filter screen 4 is smaller than the mesh of the upper filter screen 4, the side wall of the separation box 2 is provided with two through ports 22, the through ports 22 are connected to the crushing box 6, and a valve 23 is provided on the through ports 22, the cleaning device 5 comprises a push plate 51, a plurality of rows of cleaning brushes 52 arranged at the bottom of the push plate 51, and a cylinder 53 connected to the push plate 51, the top of the push plate 51 is inclined downward toward the middle direction of the filter screen 4, the push plate 51 can push the solid waste on the filter screen 4 into the crushing box 6 from the through port 22, the bottom of the cleaning brush 52 is a V-shaped structure, and the cleaning brush 52 can extend into the mesh of the filter screen 4. The first crushing device 3 includes two crushing rollers 31 that rotate relative to each other. One end of the two crushing rollers 31 is connected to a gear box 32. The gear box 32 is equipped with a first motor 33. The crushing rollers 31 are provided with staggered crushing knives 34. The crushing box 6 is provided with a second crushing device 7, and the second crushing device 7 has the same structure as the first crushing device 3. The separation box 2 is provided with a water outlet pipe 24, and a first control valve 25 is installed on the water outlet pipe 24. The separation box 2 is provided with a reagent inlet 26, and a second control valve 27 is provided on the reagent inlet 26. A water level detection device 28 is provided in the separation box 2. The separation box 2 is provided with a stirring device 8 at the bottom, and the stirring device 8 includes a second motor 81 provided at the bottom of the separation box 2, a rotating shaft 82 provided at the output end of the second motor 81, and a stirring blade 83 provided on the rotating shaft 82. The crushing box 6 is provided with an inclined discharge port 61 at the bottom, and a collection box 62 is provided below the discharge port 61. A caster 63 is provided at the bottom of the collection box 62.

[0023] The second crushing device 7 may also adopt a structure different from that of the first crushing device 3, and may be configured according to specific circumstances.

[0024] The water level detection device 28 may not be provided, but may be provided according to specific circumstances.

[0025] The bottom of the cleaning brush 52 may also be a sloped structure or other structures, which can be configured according to specific circumstances.

[0026] The top of the push plate 51 may also be arranged horizontally, depending on the specific situation.

[0027] The working mode of the utility model is:

[0028] When in use, hazardous waste enters the separation box 2 from the feed port 21, the first crushing device 3 makes the hazardous waste more uniform, the waste passes through two filter screens 4, the liquid flows to the bottom of the separation box 2, the solid accumulates on the filter screen 4, the valve 23 is opened, the solid is sent from the through port 22 to the crushing box 6 through the push plate 51 and the cleaning brush 52, the cleaning brush 52 cleans the impurities in the mesh to prevent blockage, the solid is crushed twice in the crushing box 6 to become smaller, and then falls from the discharge port 61 to the collection box 62, the valve 23 is closed, the reagent is added from the reagent inlet 26, the second motor 81 is started, the stirring blade 83 accelerates the chemical reaction of the wastewater, and after the reaction, the first control valve 25 is opened, and the wastewater flows out from the outlet pipe 24.

[0029] Although the present invention has been specifically demonstrated and described in conjunction with the preferred embodiments, those skilled in the art should understand that various changes may be made to the present invention in form and detail without departing from the spirit and scope of the present invention as defined in the appended claims, all of which are within the scope of protection of the present invention.

Claims

1. A hazardous waste storage and utilization device, characterized in that: The machine comprises a frame, a separation box arranged on the frame, a first crushing device arranged in the separation box, two filter screens arranged below the first crushing device, two cleaning devices arranged on the separation box, and a crushing box connected to the side wall of the separation box, wherein a feed port is arranged on the top of the separation box, the mesh size of the lower filter screen is smaller than the mesh size of the upper filter screen, two through openings are arranged on the side wall of the separation box, the through openings are connected to the crushing box, the cleaning device comprises a push plate, multiple rows of cleaning brushes arranged at the bottom of the push plate, and a cylinder connected to the push plate, the push plate can push the solid waste on the filter screen into the crushing box from the through opening, the cleaning brush can extend into the mesh size of the filter screen, a stirring device is arranged at the bottom of the separation box, and a second crushing device is arranged in the crushing box.

2. A hazardous waste storage and utilization device according to claim 1, characterized in that: The first crushing device comprises two relatively rotating crushing rollers, one end of the two crushing rollers is connected to a gear box, a first motor is installed on the gear box, and the crushing rollers are provided with staggered crushing knives.

3. A hazardous waste storage and utilization device according to claim 2, characterized in that: The second crushing device has the same structure as the first crushing device.

4. A hazardous waste storage and utilization device according to claim 1, characterized in that: The separation box is provided with a water outlet pipe, a first control valve is installed on the water outlet pipe, the separation box is provided with a reagent inlet, a second control valve is provided on the reagent inlet, and a water level detection device is provided in the separation box.

5. The hazardous waste storage and utilization device according to claim 1, characterized in that: The through port is provided with a valve.

6. A hazardous waste storage and utilization device according to claim 1, characterized in that: The stirring device comprises a second motor arranged at the bottom of the separation box, a rotating shaft arranged at the output end of the second motor, and a stirring blade arranged on the rotating shaft.

7. The hazardous waste storage and utilization device according to claim 1, characterized in that: The bottom of the cleaning brush is a V-shaped structure or a sloped structure.

8. The hazardous waste storage and utilization device according to claim 1, characterized in that: The top of the push plate is arranged to be inclined downward toward the middle of the filter screen.

9. The hazardous waste storage and utilization device according to claim 1, characterized in that: The bottom of the crushing box is provided with an inclined discharge port, a collecting box is provided below the discharge port, and casters are provided at the bottom of the collecting box.

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