Phthalic anhydride waste recovery device

Abstract

The utility model relates to the technical field of chemical waste recovery, in particular to a phthalic anhydride waste recovery device which comprises a box body and supporting rods, the right side of the lower end of the box body is fixedly connected with the two supporting rods, and the lower ends of the supporting rods on the two sides are movably connected with arc blocks through pin shafts. The lower ends of the arc blocks on the two sides are fixedly connected with a bottom plate, and a pushing device is arranged at the upper end of the bottom plate. According to the phthalic anhydride waste material recovery device, through cooperation of the pushing device and the separation and recovery device, the box body can incline towards one side of the liquid discharge pipe, an operator opens a valve to discharge waste liquid in the box body and opens and collects the discharged waste liquid, a square plate is pulled to drive a frame body to be pulled out, and then the box body is separated and recovered. Solid waste on the surface of the screen plate is collected, the solid waste and liquid waste are independently treated in a targeted mode, solid-liquid separation and temporary storage of the waste can be carried out, and the device is more convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical waste recovery technical field, concretely is a kind of phthalic anhydride waste recovery device. BACKGROUND

[0002] The recycling of waste chemical raw materials effectively recycles chemicals and raw materials that were no longer in use, thereby reducing the waste and loss of resources. This approach helps to extend the service life of existing resources to meet the growing needs of mankind. Recycling of waste chemical raw materials can reduce environmental pollution, especially for those chemical waste that have greater impact on the environment.

[0003] For example, the patent announcement number is "CN216738134U", a kind of phthalic anhydride waste recovery system, more than 99% of phthalic anhydride waste can be recycled and reused, and there is no solid waste pollution to the environment. Secondly, the final residue is calcined, and the generated gas is filtered by multiple stages. The gas discharged into the air has no pollution to the environment. However, the device is not convenient for separating the solid and liquid of the waste material before processing the waste material of phthalic anhydride. At the same time, the device needs to take out the phthalic anhydride waste from the inside of the reaction kettle for temporary storage before processing the waste material. The subsequent concentrated processing is not convenient for the pretreatment process of solid-liquid separation of the waste material, and it is not convenient for temporary storage of the waste material. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that the device is not convenient for solid-liquid separation and temporary storage, and provides a kind of phthalic anhydride waste recovery device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of phthalic anhydride waste recovery device is designed, including box and support rod, the lower end right side of the box is fixedly connected with two support rods, the lower end of the support rod on both sides is movably connected with arc block through pin shaft, the lower end of the arc block on both sides is fixedly connected with bottom plate, the upper end of the bottom plate is equipped with pusher, the inside of the box is equipped with separation recovery device, the lower end left side of the box is fixedly connected with two support legs, the lower end of the support leg on both sides is inlayed with bottom plate.

[0007] Preferably, the pusher includes a vertical plate and a hydraulic cylinder, the lower end of the vertical plate is fixedly connected with the bottom plate, the left end of the vertical plate is fixedly connected with the hydraulic cylinder, the telescopic end of the hydraulic cylinder is fixedly connected with the roller frame, the left end of the roller frame is rotatably connected with the rotating part of the first roller through the bearing, and the lower end of the roller frame is rotatably connected with the rotating part of the second roller through the bearing.

[0008] Preferably, the outer wall of the first roller is attached to the trapezoidal block, the upper end of the trapezoidal block is fixedly connected to the box body, and the outer wall of the second roller is attached to the bottom plate.

[0009] Preferably, the upper end of the box body is fixedly communicated with the feeding pipe, and the upper end of the feeding pipe is provided with a cover body.

[0010] Preferably, the right end of the box body is fixedly communicated with the liquid discharge pipe, and the outer wall of the liquid discharge pipe is provided with a valve.

[0011] Preferably, the separation and recovery device comprises a frame and two lateral plates, one end of each of the two lateral plates is fixedly connected to the box body, the lower end of each of the two lateral plates is fixedly connected to the protruding part of the inner wall of the box body, the upper end of each of the two lateral plates is attached to the frame body, the inner wall of the frame body is fixedly connected with a mesh plate, the right end of the frame body is fixedly connected with a square plate, the square plate is threadedly connected to the box body through a plurality of bolts, the left end of the square plate is abutted against a rubber pad, and the left end of the rubber pad is fixedly connected to the box body.

[0012] The phthalic anhydride waste recovery device has the beneficial effects that: through the cooperation of the pushing device and the separation and recovery device, after the static solid-liquid separation is completed, the operator controls the extension of the telescopic end of the hydraulic cylinder to drive the roller frame to move synchronously, so that the box body can be inclined to one side of the liquid discharge pipe, the operator opens the valve, so that the waste liquid in the box body can be discharged, the discharged waste liquid can be collected, meanwhile, the operator removes the four bolts on the surface of the square plate, pulls the square plate, so that the square plate can pull out the frame body, and the solid waste on the surface of the mesh plate can be collected, the solid waste and the liquid waste can be treated separately through the targeted mode, the solid-liquid separation and the temporary storage of the waste can be realized, and the device is more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a front view of the utility model; Figure 1

[0015] Figure 3 It is a front view of the utility model; Figure 1

[0016] Figure 4 It is a partial top view of the separation and recovery device of the utility model;

[0017] Figure 5 It is a schematic view of part A in the utility model; Figure 3

[0018] ​​​Figure 6 The utility model discloses Figure 3 Part B schematic diagram.

[0019] In the drawing: 1, box, 2, push device, 201, riser, 202, hydraulic cylinder, 203, roller frame, 204, second roller, 205, first roller, 3, support leg, 4, circular block, 5, support rod, 6, valve, 7, liquid discharge pipe, 8, feeding pipe, 9, separation and recovery device, 901, frame, 902, mesh plate, 903, cross plate, 904, bolt, 905, rubber pad, 906, square plate, 10, cover, 11, trapezoidal block, 12, bottom plate. DETAILED DESCRIPTION

[0020] The utility model will be further described below in connection with the drawings:

[0021] Refer to the drawings Figures 1-6 In the embodiment, a phthalic anhydride waste recovery device, including box 1 and support rod 5, the lower end right side of box 1 is fixedly connected with two support rods 5, the lower end of both sides support rod 5 is movably connected with circular block 4 through the pin shaft, the lower end of both sides circular block 4 is fixedly connected with bottom plate 12, the upper end of bottom plate 12 is equipped with push device 2, the inside of box 1 is equipped with separation and recovery device 9,

[0022] The lower end left side of box 1 is fixedly connected with two support legs 3, and the lower ends of the two support legs 3 are attached to the bottom plate 12.

[0023] The outer wall of the first roller 205 is attached to the trapezoidal block 11, the upper end of the trapezoidal block 11 is fixedly connected to the box 1, the outer wall of the second roller 204 is attached to the bottom plate 12, the upper end of the feeding pipe 8 is fixedly connected to the box 1, the upper end of the feeding pipe 8 is provided with a cover 10, the right end of the box 1 is fixedly connected to the liquid discharge pipe 7, and the outer wall of the liquid discharge pipe 7 is provided with a valve 6.

[0024] The push device 2 includes a riser 201 and a hydraulic cylinder 202, the lower end of the riser 201 is fixedly connected to the bottom plate 12, the left end of the riser 201 is fixedly connected to the hydraulic cylinder 202, the hydraulic cylinder 202 can meet the working needs according to actual needs, the telescopic end of the hydraulic cylinder 202 is fixedly connected to the roller frame 203, the left end of the roller frame 203 is rotatably connected to the rotating part of the first roller 205 through a bearing, and the lower end of the roller frame 203 is rotatably connected to the rotating part of the second roller 204 through a bearing.

[0025] The separating and recycling device 9 comprises a frame 901 and a cross plate 903, one end of the two cross plates 903 is fixedly connected with the box 1, the lower end of the two cross plates 903 is fixedly connected with the protruding part of the inner wall of the box 1, the protruding part of the inner wall of the box 1 can support the two cross plates 903, the cross plate 903 is overlapped with the frame 901, the upper end of the two cross plates 903 is attached with the frame 901, the inner wall of the frame 901 is fixedly connected with a mesh plate 902, the mesh plate 902 needs to be selected according to the specific components of the waste, so that the waste does not react with the mesh plate 902, and meanwhile, the surface of the mesh plate 902 needs to be provided with a plurality of through holes with a diameter of 0.2mm, so that the solid and liquid are separated, the right end of the frame 901 is fixedly connected with a square plate 906, the square plate 906 is threadedly connected with the box 1 through a plurality of bolts 904, the left end of the square plate 906 is abutted with a rubber pad 905, and the left end of the rubber pad 905 is fixedly connected with the box 1.

[0026] Working principle:

[0027] When the waste of phthalic anhydride is recycled:

[0028] When the waste of phthalic anhydride after reaction of the reaction kettle is collected and taken out, the cover 10 is removed, the waste of phthalic anhydride is placed into the box 1 through the feeding pipe 8, and after placement, the cover 10 is closed, so that the waste of phthalic anhydride can fall onto the surface of the mesh plate 902, and through the action of gravity, the solid in the waste of phthalic anhydride can be retained on the upper end of the mesh plate 902, and meanwhile, the mesh plate 902 can make the liquid in the waste of phthalic anhydride flow through, so that the solid-liquid separation can be realized after a period of standing.

[0029] Taking-out process:

[0030] After the solid-liquid separation by standing is completed, the stretching end of the hydraulic cylinder 202 is controlled to be elongated to drive the roller frame 203 to move synchronously, so that the roller frame 203 can drive the first roller 205 to push the trapezoidal block 11 to move upwards, the trapezoidal block 11 can drive the box 1 to rotate around the connection between the two supporting rods 3 and the circular arc block 4 as the center, the box 1 can be inclined to one side of the liquid discharge pipe 7, the valve 6 is opened, the waste liquid in the box 1 can be discharged, the discharged waste liquid is collected, meanwhile, the four bolts 904 on the surface of the square plate 906 are turned and removed, the square plate 906 is pulled, the frame 901 can be pulled out, the solid waste on the surface of the mesh plate 902 is collected, and the solid waste and the liquid waste can be treated separately through a targeted mode.

[0031] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. A phthalic anhydride waste recycling device, comprising a housing (1) and support rods (5), wherein two support rods (5) are fixedly connected to the lower right side of the housing (1), characterized in that: The lower ends of the support rods (5) on both sides are movably connected to the arc block (4) through pins. The lower ends of the arc blocks (4) on both sides are fixedly connected to the base plate (12). The upper end of the base plate (12) is provided with a pushing device (2). The inside of the box (1) is provided with a separation and recycling device (9). The lower left side of the box (1) is fixedly connected with two support legs (3). The lower ends of the support legs (3) on both sides are in contact with the base plate (12).

2. The phthalic anhydride waste recovery device according to claim 1, characterized in that: The pushing device (2) includes a vertical plate (201) and a hydraulic cylinder (202). The lower end of the vertical plate (201) is fixedly connected to the base plate (12). The left end of the vertical plate (201) is fixedly connected to the hydraulic cylinder (202). The telescopic end of the hydraulic cylinder (202) is fixedly connected to a roller frame (203). The left end of the roller frame (203) is rotatably connected to the rotating part of the first roller (205) through a bearing. The lower end of the roller frame (203) is rotatably connected to the rotating part of the second roller (204) through a bearing.

3. The phthalic anhydride waste recovery device according to claim 2, characterized in that: The outer wall of the first roller (205) is in contact with the trapezoidal block (11), the upper end of the trapezoidal block (11) is fixedly connected to the box body (1), and the outer wall of the second roller (204) is in contact with the bottom plate (12).

4. The phthalic anhydride waste recovery device according to claim 1, characterized in that: The upper end of the box (1) is fixedly connected to the feeding pipe (8), and the upper end of the feeding pipe (8) is provided with a cover (10).

5. The phthalic anhydride waste recovery device according to claim 1, characterized in that: The right end of the box (1) is fixedly connected to the drain pipe (7), and the outer wall of the drain pipe (7) is provided with a valve (6).

6. The phthalic anhydride waste recovery device according to claim 1, characterized in that: The separation and recycling device (9) includes a frame (901) and a horizontal plate (903). One end of the horizontal plate (903) on both sides is fixedly connected to the box (1). The lower end of the horizontal plate (903) on both sides is fixedly connected to the protruding part of the inner wall of the box (1). The upper end of the horizontal plate (903) on both sides is attached to the frame (901). A mesh plate (902) is fixedly connected to the inner wall of the frame (901). A square plate (906) is fixedly connected to the right end of the frame (901). The square plate (906) is threadedly connected to the box (1) by multiple bolts (904). The left end of the square plate (906) is pressed against a rubber pad (905). The left end of the rubber pad (905) is fixedly connected to the box (1).

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