Environment-friendly waste gas treatment device for double-screw extruder

Abstract

The utility model discloses an environment-friendly waste gas treatment device for a double-screw extruder, which belongs to the technical field of waste gas treatment devices for double-screw extruders and comprises a gas inlet pipe, a treatment box and a gas outlet pipe, an activated carbon net is arranged in the treatment box, a cross rod is fixedly connected in the gas inlet pipe, a motor is fixedly connected to the right side of the cross rod, and a rotating shaft is arranged on the left side of the motor. The air inlet pipe is connected to an air outlet of the environment-friendly double-screw extruder, the motor is started, the rotating shaft drives the crushing blades to rotate, large-particle chippings in waste gas are crushed, after crushing, the waste gas enters the treatment box to be subjected to activated carbon adsorption operation through an activated carbon net, and after treatment is completed, the waste gas is discharged through the air outlet pipe. Large-particle chippings are prevented from entering and blocking the interior of the device for a long time, and the subsequent waste gas treatment efficiency is improved; the arranged filter screen performs filtering operation before and after activated carbon adsorption, the treatment effect is further improved, and clamping blocks and clamping grooves bring convenience to connection and disassembly work of the activated carbon net and the filter screen.

Description

Technical Field

[0001] This utility model belongs to the technical field of exhaust gas treatment devices for twin-screw extruders, specifically relating to an environmentally friendly exhaust gas treatment device for twin-screw extruders. Background Technology

[0002] Twin-screw extruders, developed from single-screw extruders, possess excellent feeding performance, mixing and plasticizing properties, venting performance, and extrusion stability, making them widely used in the molding and processing of extruded products. A twin-screw extruder consists of two meshing, driven screws and a barrel. The screws are typically designed to be parallel or staggered. Both screws are driven by a drive unit and rotatably inserted into the barrel. The barrel is equipped with a feed port, a discharge port, and / or a liquid feed port. Multiple twin-screw extruders can be distributed vertically to form a multi-stage arrangement. The discharge port of each extruder is connected to the feed port of its adjacent extruder, thus achieving multi-stage extrusion.

[0003] Currently, existing environmentally friendly twin-screw extruder exhaust gas treatment devices still have some shortcomings. They are not convenient for crushing large particles mixed in with the incoming exhaust gas. Excessive or insufficient extruder temperature, excessive or insufficient screw speed, and excessive or insufficient feeding speed can all generate large particles during use. Over time, these particles can clog the inside of the device and affect the subsequent exhaust gas treatment effect. Therefore, we propose an environmentally friendly twin-screw extruder exhaust gas treatment device. Utility Model Content

[0004] The purpose of this utility model is to provide an environmentally friendly twin-screw extruder exhaust gas treatment device to solve the problems mentioned in the background art, such as the inconvenience of crushing large particles mixed in the incoming exhaust gas, and the fact that excessively high or low extruder temperature, excessively fast or slow screw speed, and excessively fast or slow feeding speed can all generate large particles during use, which can block the inside of the device over time and affect the subsequent exhaust gas treatment effect.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an environmentally friendly twin-screw extruder exhaust gas treatment device, comprising an inlet pipe, a treatment box, and an outlet pipe. The inlet pipe is located on the left side of the treatment box, and the outlet pipe is located on the right side of the treatment box. An activated carbon mesh is installed inside the treatment box and is clamped in the middle of the treatment box. A crossbar is fixedly connected inside the inlet pipe, and a motor is fixedly connected to the right side of the crossbar. A rotating shaft is located on the left side of the motor and is rotatably connected to the left side of the crossbar. Several crushing blades are fixedly connected to the outside of the rotating shaft.

[0006] Preferably, the activated carbon mesh is provided with filter screens on both sides, and the filter screens are snapped into the inside of the treatment box on both sides.

[0007] Preferably, the filter screen and activated carbon screen are fixedly connected to a locking block at the top and bottom, and the processing box is provided with three locking slots at the top and bottom. The locking block is adapted to the locking slot and is locked inside the locking slot.

[0008] Preferably, the processing box has a door on the front, the door is rotatably connected to the front of the processing box, and the front of the door has an observation window.

[0009] Preferably, the bottom of the processing box is provided with a telescopic device, and the number of telescopic devices is four.

[0010] Preferably, the telescopic device includes a telescopic rod, a telescopic cylinder, and a limiting block. The top of the telescopic rod is fixedly connected to the bottom of the processing box, the telescopic rod is movably connected inside the telescopic cylinder, and the limiting block is disposed on the outside of the telescopic cylinder and extends into the inside of the telescopic cylinder.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. By connecting the air inlet pipe to the outlet of the environmentally friendly twin-screw extruder, starting the motor, the rotating shaft drives the crushing blades to rotate, crushing large particles in the waste gas. After crushing, the waste gas enters the treatment box and undergoes activated carbon adsorption through the activated carbon mesh. After treatment, the waste gas is discharged through the outlet pipe, preventing large particles from entering and clogging the inside of the device for a long time, thus improving the efficiency of subsequent waste gas treatment.

[0013] 2. The filter screen performs filtration before and after activated carbon adsorption, further improving the treatment effect. The set blocks and slots facilitate the connection and disassembly of the activated carbon screen and the filter screen. The set telescopic device makes it easy to adjust the height of the treatment box. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the present invention from the left view;

[0016] Figure 3 This is a schematic diagram of the disassembled card block and card slot structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the air intake pipe of this utility model.

[0018] In the diagram: 1. Processing box; 2. Inlet pipe; 3. Outlet pipe; 4. Activated carbon mesh; 5. Crossbar; 6. Motor; 7. Shaft; 8. Crushing blade; 9. Filter screen; 10. Locking block; 11. Locking slot; 12. Door; 13. Observation window; 14. Telescopic rod; 15. Telescopic cylinder; 16. Limiting block. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-4 This utility model provides a technical solution for an environmentally friendly twin-screw extruder exhaust gas treatment device, including an inlet pipe 2, a treatment box 1, and an outlet pipe 3. The inlet pipe 2 is located on the left side of the treatment box 1, and the outlet pipe 3 is located on the right side of the treatment box 1. An activated carbon mesh 4 is installed inside the treatment box 1 and is snapped into the middle of the inside of the treatment box 1. A crossbar 5 is fixedly connected inside the inlet pipe 2. A motor 6 is fixedly connected to the right side of the crossbar 5. A rotating shaft 7 is located on the left side of the motor 6 and is rotatably connected to the left side of the crossbar 5. A crushing blade 8 is fixedly connected to the outside of the rotating shaft 7. The number of crushing blades 8 is several.

[0021] Specifically, the activated carbon mesh 4 has filter screens 9 on both sides, and the filter screens 9 are snapped into the inside of the treatment box 1 on both sides.

[0022] Specifically, the filter screen 9 and the activated carbon screen 4 are fixedly connected to a locking block 10 at the top and bottom. The processing box 1 has three slots 11 at the top and bottom. The locking block 10 is adapted to the slot 11 and is locked inside the slot 11.

[0023] Specifically, the processing box 1 has a door 12 on the front, which is rotatably connected to the front of the processing box 1, and an observation window 13 is provided on the front of the door 12.

[0024] Specifically, the bottom of the processing box 1 is equipped with a telescopic device, and there are four telescopic devices.

[0025] Specifically, the telescopic device includes a telescopic rod 14, a telescopic cylinder 15, and a limiting block 16. The top of the telescopic rod 14 is fixedly connected to the bottom of the processing box 1, and the telescopic rod 14 is movably connected inside the telescopic cylinder 15. The limiting block 16 is located on the outside of the telescopic cylinder 15 and extends into the inside of the telescopic cylinder 15.

[0026] In this implementation plan, when the waste gas treatment device is in use, the inlet pipe 2 is connected to the outlet of the environmentally friendly twin-screw extruder, the motor 6 is started, and the rotating shaft 7 drives the crushing blades 8 to rotate, crushing large particles in the waste gas. After crushing, the waste gas enters the treatment box 1 and undergoes activated carbon adsorption through the activated carbon mesh 4. After treatment, the waste gas is discharged through the outlet pipe 3, which avoids large particles from entering and clogging the inside of the device for a long time, thus improving the subsequent waste gas treatment effect.

[0027] The filter screen 9 is set to perform filtration operations before and after activated carbon adsorption, further improving the treatment effect. The set block 10 and slot 11 facilitate the connection and disassembly of activated carbon screen 4 and filter screen 9. The set door 12 and observation window 13 make it easy to check the internal condition of the treatment box 1. The set telescopic device makes it easy to adjust the height of the treatment box 1.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An environmentally friendly twin-screw extruder exhaust gas treatment device, comprising an inlet pipe (2), a treatment box (1), and an outlet pipe (3), characterized in that: The air inlet pipe (2) is located on the left side of the processing box (1), and the air outlet pipe (3) is located on the right side of the processing box (1). An activated carbon mesh (4) is provided inside the processing box (1). The activated carbon mesh (4) is snapped into the middle of the processing box (1). A crossbar (5) is fixedly connected inside the air inlet pipe (2). A motor (6) is fixedly connected to the right side of the crossbar (5). A rotating shaft (7) is provided on the left side of the motor (6). The rotating shaft (7) is rotatably connected to the left side of the crossbar (5). A crushing blade (8) is fixedly connected to the outside of the rotating shaft (7). There are several crushing blades (8).

2. The environmentally friendly twin-screw extruder exhaust gas treatment device according to claim 1, characterized in that: The activated carbon mesh (4) is provided with filter screens (9) on both sides, and the filter screens (9) are snapped into the inside of the treatment box (1) on both sides.

3. The environmentally friendly twin-screw extruder exhaust gas treatment device according to claim 2, characterized by: The filter screen (9) and activated carbon screen (4) are fixedly connected to a card block (10) at the top and bottom. The processing box (1) is provided with three card slots (11) at the top and bottom. The card block (10) is adapted to the card slot (11) and the card block (10) is engaged inside the card slot (11).

4. The environmentally friendly twin-screw extruder exhaust gas treatment device according to claim 1, characterized by: The processing box (1) has a door (12) on the front, which is rotatably connected to the front of the processing box (1). The front of the door (12) has an observation window (13).

5. The environmentally friendly twin-screw extruder exhaust gas treatment device according to claim 1, characterized by: The bottom of the processing box (1) is equipped with a telescopic device, and the number of telescopic devices is four.

6. The environmentally friendly twin-screw extruder exhaust gas treatment device according to claim 5, characterized by: The telescopic device includes a telescopic rod (14), a telescopic cylinder (15), and a limiting block (16). The top of the telescopic rod (14) is fixedly connected to the bottom of the processing box (1), and the telescopic rod (14) is movably connected inside the telescopic cylinder (15). The limiting block (16) is located outside the telescopic cylinder (15) and extends into the telescopic cylinder (15).

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