Industrial solid waste crushing and screening device

Abstract

The utility model discloses an industrial solid waste crushing and screening device which comprises a feeding conveyor, a material returning conveyor, a material transferring and conveying machine, a crusher and a screening machine, a rack is arranged at the bottom of the feeding conveyor, the conveying direction of the feeding conveyor inclines upwards, and a dustproof discharging cover is arranged on the output side of the feeding conveyor; the crusher is provided with a crushing bin, a crushing hammer and a material receiving cover, the material receiving cover is connected to the top side of the crushing bin, and an opening part of the top side of the material receiving cover directly faces the output side of the feeding conveyor; the crushing bin is internally provided with a crushing hammer, the crushing hammer is driven by an external power device, the lower side of the crushing bin is provided with a discharge port, the input side of the transfer feeder is connected with the discharge port, and the output side of the transfer feeder inclines upwards and is connected with the screening machine. The device integrates industrial solid waste feeding, crushing, screening, discharging, material returning and the like, batch treatment of the solid waste can be achieved, and the continuous machining effect is better.

Description

Technical Field

[0001] The utility model relates to the field of industrial solid waste treatment, and particularly relates to an industrial solid waste crushing and screening device. Background Technique

[0002] With the development of industrial production, the quantity of industrial solid waste is increasing day by day. These industrial solid wastes will not only pile up and occupy a large amount of land, but also cause environmental pollution. Therefore, generally, pre-crushing treatment is carried out on industrial solid waste. After pre-crushing, the volume of industrial solid waste can be reduced, and the industrial solid waste with reduced volume is convenient for subsequent treatment.

[0003] In view of this, Chinese Patent CN202122811392.8 discloses a crushing device for industrial solid waste treatment. By improving the crushing device, the industrial solid waste can be effectively crushed, and at the same time, the situation of the feeding pipe being blocked is avoided. Since solid waste recycling and treatment also need to be screened, this kind of crushing device is not equipped with a screening device, resulting in the presence of relatively large solid wastes after crushing, making the subsequent screening effect complicated. Based on this, the utility model provides an industrial solid waste crushing and screening device, which integrates functions such as industrial solid waste feeding, crushing, screening, discharging, and material returning, can realize batch treatment of solid wastes, and has a better continuous processing effect. Content of the Utility Model

[0004] The purpose of the utility model is to provide an industrial solid waste crushing and screening device to solve the problems put forward in the above background technique. [[ID=I7]]

[0005] To achieve the above purpose, the utility model provides the following technical solution: An industrial solid waste crushing and screening device, including a feeding conveyor, a material returning conveyor, a transfer conveyor, a crusher and a screening machine. A frame is arranged at the bottom of the feeding conveyor, the conveying direction of the feeding conveyor is inclined upward, and a dust-proof discharging cover is installed on the output side of the feeding conveyor; The crusher has a crushing chamber, crushing hammers and a receiving cover. The receiving cover is connected to the top side of the crushing chamber, and the open part on the top side of the receiving cover is directly opposite to the output side of the feeding conveyor; Crushing hammers are arranged in the crushing chamber, and the crushing hammers are driven by an external power device. An outlet is arranged on the lower side of the crushing chamber, and the input side of the transfer conveyor is connected to this outlet. The output side of the transfer conveyor is inclined upward and is connected to the screening machine; The screening machine includes a main frame, a sieve plate assembly, a pneumatic pushing assembly, a discharging hopper, a material returning hopper and a receiving hopper. The receiving hopper is fixed on the top side of the main frame, and the receiving hopper is used to receive the crushed material output by the transfer conveyor; The sieve plate assembly includes an open sieve frame, a movable rod, a swing rod, a motor, a driving wheel, a transmission wheel, a rotating shaft and a shaft sleeve. The open sieve frame is arranged inside the main frame, and the upper open side of the open sieve frame is directly opposite to the outlet of the receiving hopper. The upper end of the open sieve frame is hinged to the movable rod, and the end of the movable rod is connected to the upper end of the main frame.

[0006] Preferably, the motor is fixed on the main frame, the end of the motor shaft is connected to the driving wheel, the rotating shaft is installed in the middle of the transmission wheel, and the driving wheel and the transmission wheel are linked by a belt; the shaft sleeve is arranged on the rotating shaft, a swing rod is pinned on the shaft sleeve, and the free end of the swing rod is movably connected to the lower end of the open sieve frame.

[0007] Preferably, there are multiple discharge hoppers, all of which are installed on the main frame, and the multiple discharge hoppers are located directly below the open sieve frame.

[0008] Preferably, the pneumatic pusher assembly is installed in the open sieve frame. The pneumatic pusher assembly is used to push the large particle crushed materials that have not been sieved to the rear end of the open sieve frame. The pneumatic pusher assembly includes two pusher cylinders and a pusher plate connected to the ends of the two pusher cylinders.

[0009] Preferably, the return hopper is installed at the side end of the main frame and its opening corresponds to the rear end of the open sieve frame. A return conveyor is installed below the return hopper. The return conveyor is used to return the large particle crushed materials pushed by the pneumatic pusher assembly to the feeding conveyor.

[0010] Compared with the prior art, the beneficial effects of the present utility model are:

[0011] The device of the present utility model integrates functions such as industrial solid waste feeding, crushing, screening, discharging, and returning, can realize batch processing of solid waste, has a better continuous processing effect, the particle size of the treated solid waste is uniform, and it can be added as an auxiliary material to other industries. Description of the Drawings

[0012] Figure 1 is the overall structural schematic diagram of the present utility model;

[0013] Figure 2 is the structural schematic diagram of the screening machine of the present utility model.

[0014] In the figure: 1. Feeding conveyor; 2. Dust-proof discharge cover; 3. Material receiving cover; 4. Crushing chamber; 5. Transfer conveyor; 6. Screening machine; 601. Main frame; 602. Discharge hopper; 603. Return hopper; 604. Material receiving hopper; 605. Open sieve frame; 606. Movable rod; 607. Swing rod; 608. Driving wheel; 609. Transmission wheel; 610. Rotating shaft; 611. Shaft sleeve; 612. Pneumatic pusher assembly; 7. Return conveyor. Detailed Embodiments

[0015] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0016] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0017] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0018] Please refer to Figure 1-2 , the present utility model provides a technical solution: an industrial solid waste crushing and screening device, including a feeding conveyor 1, a return conveyor 7, a transfer conveyor 5, a crusher and a screening machine 6. The bottom of the feeding conveyor 1 is provided with a frame, the conveying direction of the feeding conveyor 1 is inclined upward, and a dust-proof discharge hood 2 is installed on the output side of the feeding conveyor 1; the crusher has a crushing chamber 4, crushing hammers and a receiving hood 3, wherein the receiving hood 3 is connected to the top side of the crushing chamber 4, and the open part on the top side of the receiving hood 3 faces the output side of the feeding conveyor 1; crushing hammers are arranged in the crushing chamber 4, and the crushing hammers are driven by an external power device. An outlet is provided on the lower side of the crushing chamber 4, and the input side of the transfer conveyor 5 is connected to this outlet. The output side of the transfer conveyor 5 is inclined upward and is connected to the screening machine 6; the screening machine 6 includes a main frame 601, a screen plate assembly, a pneumatic pusher assembly 612, a discharge hopper 602, a return hopper 603 and a receiving hopper 604. The receiving hopper 604 is fixed on the top side of the main frame 601, and the receiving hopper 604 is used to receive the crushed material output by the transfer conveyor 5; the screen plate assembly includes an open screen frame 605, a movable rod 606, a swing rod 607, a motor, a driving wheel 608, a transmission wheel 609, a rotating shaft 610 and a shaft sleeve 611. The open screen frame 605 is arranged inside the main frame 601, and the upper open side thereof is directly opposite to the outlet of the receiving hopper 604. The upper end of the open screen frame 605 is hinged to the movable rod 606, and the end of the movable rod 606 is connected to the upper end of the main frame 601.

[0019] In this embodiment, the motor is fixed on the main frame 601. The end of the motor shaft is connected to the driving wheel 608. The middle part of the transmission wheel 609 is provided with a rotating shaft 610. The driving wheel 608 and the transmission wheel 609 are linked by a belt. The shaft sleeve 611 is arranged on the rotating shaft 610. A swing rod 607 is pinned on the shaft sleeve 611, and the free end of the swing rod 607 is movably connected to the lower end of the open sieve frame 605.

[0020] In this embodiment, there are multiple discharge hoppers 602, and all of them are installed on the main frame 601. The multiple discharge hoppers 602 are located directly below the open sieve frame 605.

[0021] In this embodiment, the pneumatic pusher assembly 612 is installed inside the open sieve frame 605. The pneumatic pusher assembly 612 is used to push the large particle crushed materials that have not been sieved out to the rear end of the open sieve frame 605. The pneumatic pusher assembly 612 includes two pusher cylinders and a pusher plate connected to the ends of the shafts of the two pusher cylinders.

[0022] In this embodiment, the return hopper 603 is installed at the side end of the main frame 601, and its opening corresponds to the rear end of the open sieve frame 605. A return conveyor 7 is installed below the return hopper 603. The return conveyor 7 is used to return the large particle crushed materials pushed by the pneumatic pusher assembly 612 to the feeding conveyor 1.

[0023] In this embodiment, the above device integrates functions such as industrial solid waste feeding, crushing, screening, discharging, and returning, etc. It can realize the batch treatment of solid waste, has a better continuous processing effect, the particle size of the treated solid waste is uniform, and it can be added as auxiliary materials to other industries.

[0024] In this embodiment, the specific operation process of the above crushing and screening device is as follows: The solid waste is fed to the crusher through the feeding conveyor 1. The crusher performs crushing treatment through the crushing hammers inside it. The crushed materials after the crushing treatment are discharged to the transfer conveyor 5. The transfer conveyor 5 transfers the crushed materials to the screening machine 6. The screening machine 6 uses a swing type screening. The crushed materials that meet the requirements leak onto the discharge hopper 602 and are discharged through the discharge hopper 602. While the crushed materials that do not meet the requirements are pushed to the rear end of the open sieve frame 605 and discharged through the pneumatic pusher assembly 612. The return hopper 603 receives the crushed materials that do not meet the requirements, and returns them to the feeding conveyor 1 through the return conveyor 7 for re-crushing.

[0025] It should be noted that: The entire device is controlled by a total control system. Since the devices matched by the control system are common devices and belong to the existing mature technologies, the electrical connection relationships and the specific circuit structures are not described in detail here.

[0026] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An industrial solid waste crushing and screening device, characterized in that, It includes a feeding conveyor (1), a return conveyor (7), a transfer conveyor (5), a crusher and a screening machine (6). A frame is provided at the bottom of the feeding conveyor (1), the conveying direction of the feeding conveyor (1) is inclined upward, and a dust-proof discharge hood (2) is installed on the output side of the feeding conveyor (1); the crusher has a crushing chamber (4), a crushing hammer and a receiving hood (3), wherein the receiving hood (3) is connected to the top side of the crushing chamber (4), and the open part on the top side of the receiving hood (3) faces the output side of the feeding conveyor (1); a crushing hammer is arranged in the crushing chamber (4), the crushing hammer is driven by an external power device, and a discharge port is provided on the lower side of the crushing chamber (4), the input side of the transfer conveyor (5) is connected to this discharge port, and the output side of the transfer conveyor (5) is inclined upward and is connected to the screening machine (6); the screening machine (6) includes a main frame (601), a sieve plate assembly, a pneumatic pushing component (612), a discharge hopper (602), a return hopper (603) and a receiving hopper (604), wherein the receiving hopper (604) is fixed on the top side of the main frame (601), and the receiving hopper (604) is used for receiving the crushed material output by the transfer conveyor (5); the sieve plate assembly includes an open sieve frame (605), a movable rod (606), a swing rod (607), a motor, a driving wheel (608), a transmission wheel (609), a rotating shaft (610) and a shaft sleeve (611), wherein the open sieve frame (605) is arranged inside the main frame (601) and the upper open side thereof faces the outlet of the receiving hopper (604), the upper end of the open sieve frame (605) is hinged to the movable rod (606), and the end of the movable rod (606) is connected to the upper end of the main frame (601).

2. An industrial solid waste crushing and screening device according to claim 1, characterized in that: The motor is fixed on the main frame (601), the driving wheel (608) is connected to the end of the motor shaft, the rotating shaft (610) is installed in the middle of the transmission wheel (609), and the driving wheel (608) and the transmission wheel (609) are linked by a belt; the shaft sleeve (611) is arranged on the rotating shaft (610), the swing rod (607) is pinned on the shaft sleeve (611), and the free end of the swing rod (607) is movably connected to the lower end of the open sieve frame (605).

3. An industrial solid waste crushing and screening device according to claim 1, characterized in that: There are multiple discharge hoppers (602) and they are all installed on the main frame (601), and the multiple discharge hoppers (602) are located directly below the open sieve frame (605).

4. An industrial solid waste crushing and screening device according to claim 1, characterized in that: The pneumatic pushing component (612) is installed in the open sieve frame (605), and the pneumatic pushing component (612) is used to push the large particle crushed material that has not been screened out to the rear end of the open sieve frame (605). The pneumatic pushing component (612) includes two pushing cylinders and a pushing plate connected to the ends of the two pushing cylinders' shafts.

5. An industrial solid waste crushing and screening device according to claim 1, characterized in that: The return hopper (603) is installed at the side end of the main frame (601) and its opening corresponds to the rear end of the open sieve frame (605). A return conveyor (7) is installed below the return hopper (603), and the return conveyor (7) is used to return the large particle crushed material pushed by the pneumatic pushing component (612) to the feeding conveyor (1).

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