Flue gas treatment machine for plastic smelting furnace

Abstract

The utility model discloses a plastic smelting furnace flue gas treatment machine which comprises a smelting furnace body and a treatment machine box arranged on one side of the smelting furnace body, a guide pipe is fixedly communicated between the treatment machine box and the smelting furnace body, and an exhaust fan is fixedly installed in the middle of the guide pipe. A filtering assembly, a spraying assembly and a turbulent flow mechanism are sequentially installed in the treatment machine box from top to bottom, and the top of the treatment machine box fixedly communicates with an air outlet pipe. According to the utility model, the spoilers can be driven to rotate through the operation of the arranged spoiler mechanism and the motor, so that the flue gas flow flowing from bottom to top is disturbed, the flue gas is not gathered together any more, and the dispersed flue gas flows upwards and is further dispersed through the through hole plate; and the flue gas can stay in the treatment machine box for a longer time, so that the spraying liquid is in more sufficient contact with the flue gas, and the flue gas is more sufficiently purified.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic smelting furnaces, in particular to a fume treatment machine for plastic smelting furnaces. Background Art

[0002] In the production process of plastic products, smelting is a key link, which is related to the quality of plastic products extruded by the subsequent extruder. It is given more attention in the production and life process. During the smelting process of plastic in the smelting furnace, it will produce some toxic and irritating gases, which are mixed in the molten melt. In order to ensure the processing quality of the subsequent plastic melt, it is generally necessary to use a vacuum device to discharge the generated smoke.

[0003] The existing plastic melting furnace flue gas treatment machine generally has a simple structure when treating the extracted flue gas, and only achieves it through simple spraying. The airflow formed when the flue gas is extracted into the treatment machine is gathered together, and the overall airflow passes through the spraying time is short and cannot be fully purified, which has certain defects. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a fume treatment machine for a plastic melting furnace.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fume treatment machine for a plastic smelting furnace, comprising a smelting furnace body and a treatment chassis arranged on one side of the smelting furnace body, a duct being fixedly connected between the treatment chassis and the smelting furnace body, and an exhaust fan being fixedly installed in the middle of the duct, a filter assembly, a spray assembly and a spoiler mechanism being installed in sequence inside the treatment chassis from top to bottom, and an exhaust pipe being fixedly connected to the top of the treatment chassis.

[0006] Furthermore, the filter assembly includes a fixing plate symmetrically fixedly connected to the inner wall of the processing chassis, and the opposite sides of the two fixing plates are slidably connected to a mounting frame, the inner side of the mounting frame is fixedly connected to an activated carbon adsorption net, and the side wall of the mounting frame is symmetrically fixedly connected to a spring, one end of the two springs is fixedly connected to a clamping block, and the outer surfaces of the two clamping blocks extend through and extend to the outside of the mounting frame and are respectively clamped to the side walls of the corresponding fixing plates.

[0007] Furthermore, the spray assembly includes a spray plate fixedly connected to the inner wall of the processing chassis and a water pump fixedly installed at the bottom of the outer surface of the processing chassis, the water inlet pipe of the water pump is connected to the interior of the processing chassis, and the water outlet pipe of the water pump is fixedly connected to a water pipe, one end of the water pipe extends through the interior of the processing chassis and is connected to the interior of the spray plate.

[0008] Furthermore, the spoiler mechanism includes two support rods symmetrically fixedly connected to the inner wall of the processing chassis and a through-hole plate fixedly connected to the inner wall of the processing chassis, the two support rods are located below the through-hole plate, and opposite sides of the two support rods are commonly fixedly connected with a protective cover, a motor is fixedly installed inside the protective cover, the output shaft of the motor extends through and extends to the top of the protective cover and is fixedly connected with a number of spoilers, the outer surfaces of the several spoilers are commonly sleeved with a ring, and the ring is fixedly connected to the inner wall of the processing chassis.

[0009] Furthermore, an opening matching the installation frame is formed on the front of the processing chassis, a sealing strip is fixedly connected to the inner wall of the opening, and a pull plate is fixedly connected to the front of the installation frame.

[0010] Furthermore, a stirring rod is rotatably connected to the top of the inner wall of the smelting furnace body, and a servo motor connected to the stirring rod is fixedly installed at the center position of the upper surface of the smelting furnace body, and a plurality of connecting rods are symmetrically fixedly connected to the outer surface of the stirring rod, and a scraper is commonly fixedly connected to one end of the connecting rod on the same side.

[0011] Furthermore, a feed pipe is fixedly connected to the top of the smelting furnace body, a discharge pipe is fixedly connected to the bottom of the smelting furnace body, and a valve is fixedly installed at the end of the discharge pipe.

[0012] The utility model has the following beneficial effects:

[0013] 1. When the utility model is in use, the fume treatment machine for the plastic smelting furnace can drive the rotation of a plurality of spoiler plates through the spoiler mechanism provided, thereby disturbing the fume flow flowing from bottom to top, so that the fume no longer gathers together, and the dispersed fume will flow upward through the through-hole plate to further disperse, and the fume can stay in the treatment box for a longer time, so that the spray liquid can contact the fume more fully, and the fume can be purified more fully.

[0014] 2. When the utility model is in use, the fume treatment machine for the plastic smelting furnace passes through the filter assembly provided, and when the fume continues to flow upward after being sprayed, the fume then passes through the activated carbon adsorption net to be further purified. When the activated carbon adsorption net needs to be replaced after being used for a period of time, it is only necessary to pull the pull plate outwards, pull out the installation frame outwards, and then remove the activated carbon adsorption net for replacement, and the operation is relatively simple and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 For the utility model Figure 1The enlarged view of point A in the middle;

[0017] Figure 3 A top view of the spoiler and the ring of the utility model;

[0018] Figure 4 It is a three-dimensional diagram of the processing chassis of the present utility model.

[0019] Legend:

[0020] 1. Melting furnace body; 2. Stirring rod; 3. Scraper; 4. Processing chassis; 5. Conduit; 6. Water pump; 7. Spray plate; 8. Through-hole plate; 9. Protective cover; 10. Ring; 11. Spoiler; 12. Fixing plate; 13. Mounting frame; 14. Block; 15. Spring; 16. Activated carbon adsorption net. DETAILED DESCRIPTION

[0021] Figures 1 to 4 As shown, it relates to a fume treatment machine for a plastic smelting furnace, including a smelting furnace body 1 and a treatment chassis 4 arranged on one side of the smelting furnace body 1, a duct 5 is fixedly connected between the treatment chassis 4 and the smelting furnace body 1, and an exhaust fan is fixedly installed in the middle of the duct 5, a filter component, a spray component and a spoiler mechanism are installed in sequence inside the treatment chassis 4 from top to bottom, and an exhaust pipe is fixedly connected to the top of the treatment chassis 4.

[0022] Among them, a heating component is fixedly installed inside the smelting furnace body 1, and the smelting furnace body 1 with a heating component belongs to the common well-known mature technology in this field, which will not be elaborated here. A stirring rod 2 is rotatably connected to the top of the inner wall of the smelting furnace body 1, and a servo motor connected to the stirring rod 2 is fixedly installed at the center position of the upper surface of the smelting furnace body 1, and a plurality of connecting rods are symmetrically fixedly connected to the outer surface of the stirring rod 2, and one end of the connecting rods on the same side is commonly fixedly connected to a scraper 3, wherein, a feed pipe is fixedly connected to the top of the smelting furnace body 1, and a discharge pipe is fixedly connected to the bottom of the smelting furnace body 1, and a valve is fixedly installed at the end of the discharge pipe. When the plastic raw material enters the inside of the smelting furnace body 1 from the feed pipe, along with the heating of the heating component, the servo motor is started to rotate the stirring rod 2 to assist in melting the plastic raw material, and the molten plastic raw material will eventually be discharged through the discharge pipe into subsequent processing equipment.

[0023] The filter assembly includes a fixing plate 12 symmetrically fixedly connected to the inner wall of the processing chassis 4, and the opposite sides of the two fixing plates 12 are slidably connected with the installation frame 13, and the front of the installation frame 13 is fixedly connected with a pull plate, the inner side of the installation frame 13 is fixedly connected with an activated carbon adsorption net 16, and the side wall of the installation frame 13 is symmetrically fixedly connected with a spring 15, one end of the two springs 15 is fixedly connected with a card block 14, the outer surfaces of the two card blocks 14 are extended to the outside of the installation frame 13 and are respectively connected with the side walls of the corresponding fixing plates 12, and the ends of the two card blocks 14 are hemispherical, so that there will be no hindrance when the installation frame 13 is inserted and pulled out, and its main function is to lock the position of the installation frame 13 in the horizontal direction, and the front of the processing chassis 4 is provided with an opening matching the installation frame 13, and the inner wall of the opening is fixedly connected with a sealing strip, and the side wall of the installation frame 13 itself is abutted against the sealing strip in the opening, that is, the longitudinal position of the installation frame 13 is locked, and the sealing strip ensures the sealing of the entire processing chassis 4 when in use.

[0024] The spray assembly includes a spray plate 7 fixedly connected to the inner wall of the processing box 4 and a water pump 6 fixedly installed at the bottom of the outer surface of the processing box 4. A plurality of nozzles are fixedly installed on the lower surface of the spray plate 7, and a water inlet pipe of the water pump 6 is connected to the interior of the processing box 4. A water outlet pipe of the water pump 6 is fixedly connected to a water supply pipe, one end of the water supply pipe extends through the interior of the processing box 4 and is connected to the interior of the spray plate 7. The front and back sides of the processing box 4 are fixedly connected to liquid guide pipes. After the spray liquid is introduced into the interior of the processing box 4, the water pump 6 is started. The water pump 6 can draw the spray liquid upward and pass it into the interior of the spray plate 7 through the water supply pipe, and then spray it downward through the nozzle to spray the flue gas.

[0025] The spoiler mechanism includes two support rods symmetrically fixedly connected to the inner wall of the processing chassis 4 and a through-hole plate 8 fixedly connected to the inner wall of the processing chassis 4, the two support rods are located below the through-hole plate 8, and a protective cover 9 is fixedly connected to the opposite side of the two support rods, a motor is fixedly installed inside the protective cover 9, the output shaft of the motor extends through and extends to the top of the protective cover 9 and is fixedly connected to a plurality of spoiler plates 11, the outer surfaces of the plurality of spoiler plates 11 are jointly sleeved with a circular ring 10, and the circular ring 10 is fixedly connected to the inner wall of the processing chassis 4, wherein the spoiler plate 11 has a certain inclination angle, so that the smoke flow is inclined, and the operation of the motor can drive the rotation of the plurality of spoiler plates 11, thereby disturbing the smoke, and the smoke after the initial disturbance will pass through the through-hole plate 8, and then further dispersed through a plurality of through holes on the side wall of the through-hole plate 8, and fully contact with the spray liquid.

[0026] When the fume treatment device for a plastic melting furnace is used, when the plastic enters the interior of the melting furnace body 1 for melting, the exhaust fan is started, and the exhaust fan extracts the fume from the melting furnace body 1 to the interior of the treatment machine box 4, and then the motor and the water pump 6 are started, and the water pump 6 can extract the spray liquid upward and pass it into the interior of the spray plate 7 through the water pipe, and then spray it downward through the nozzle to spray the fume, and the operation of the motor can drive the rotation of a plurality of spoilers 11, thereby disturbing the fume flow flowing from bottom to top, so that the fume no longer gathers together, but disperses The flue gas will flow upward through the through-hole plate 8 to be further dispersed, and the flue gas can stay in the processing chassis 4 for a longer time, so that the spray liquid can contact the flue gas more fully and purify the flue gas more fully. After the flue gas is sprayed, it will continue to flow upward and then pass through the activated carbon adsorption net 16 to be further purified. When the activated carbon adsorption net 16 needs to be replaced after being used for a period of time, you only need to pull the pull plate outward to pull the mounting frame 13 outward, and then you can remove the activated carbon adsorption net 16 and replace it. The operation is relatively simple and quick.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fume treatment machine for a plastic melting furnace, comprising a melting furnace body (1) and a treatment machine box (4) arranged on one side of the melting furnace body (1), characterized in that: A duct (5) is fixedly connected between the processing chassis (4) and the smelting furnace body (1), and an exhaust fan is fixedly installed in the middle of the duct (5). A filter component, a spray component and a spoiler mechanism are installed in sequence from top to bottom inside the processing chassis (4), and an air outlet pipe is fixedly connected to the top of the processing chassis (4).

2. A fume treatment machine for a plastic melting furnace according to claim 1, characterized in that: The filter assembly comprises a fixing plate (12) symmetrically fixedly connected to the inner wall of the processing box (4); the two fixing plates (12) are slidably connected to a mounting frame (13) on opposite sides; the inner side of the mounting frame (13) is fixedly connected to an activated carbon adsorption net (16); and the inner side of the mounting frame (13) is symmetrically fixedly connected to a spring (15); one end of the two springs (15) is fixedly connected to a clamping block (14); the outer surfaces of the two clamping blocks (14) extend through and to the outside of the mounting frame (13) and are respectively clamped to the side walls of the corresponding fixing plates (12).

3. A fume treatment machine for a plastic melting furnace according to claim 1, characterized in that: The spray assembly comprises a spray plate (7) respectively fixedly connected to the inner wall of the processing box (4) and a water pump (6) fixedly installed at the bottom of the outer surface of the processing box (4); the water inlet pipe of the water pump (6) is connected to the interior of the processing box (4); the water outlet pipe of the water pump (6) is fixedly connected to a water pipe; one end of the water pipe extends through the interior of the processing box (4) and is connected to the interior of the spray plate (7).

4. A fume treatment machine for a plastic melting furnace according to claim 1, characterized in that: The spoiler mechanism comprises two support rods which are symmetrically fixedly connected to the inner wall of the processing box (4) and a through-hole plate (8) which is fixedly connected to the inner wall of the processing box (4); the two support rods are located below the through-hole plate (8), and a protective cover (9) is fixedly connected to the opposite sides of the two support rods; a motor is fixedly installed inside the protective cover (9); the output shaft of the motor extends through the top of the protective cover (9) and is fixedly connected to a plurality of spoilers (11); the outer surfaces of the plurality of spoilers (11) are collectively sleeved with a circular ring (10), and the circular ring (10) is fixedly connected to the inner wall of the processing box (4).

5. A fume treatment machine for a plastic melting furnace according to claim 2, characterized in that: The front of the processing machine box (4) is provided with an opening matching the installation frame (13), the inner wall of the opening is fixedly connected with a sealing strip, and the front of the installation frame (13) is fixedly connected with a pull plate.

6. A fume treatment machine for a plastic melting furnace according to claim 1, characterized in that: A stirring rod (2) is rotatably connected to the top of the inner wall of the smelting furnace body (1), and a servo motor connected to the stirring rod (2) is fixedly installed at the center position of the upper surface of the smelting furnace body (1), and a plurality of connecting rods are symmetrically fixedly connected to the outer surface of the stirring rod (2), and one end of the connecting rods on the same side is commonly fixedly connected to a scraper (3).

7. A fume treatment machine for a plastic melting furnace according to claim 1, characterized in that: The top of the smelting furnace body (1) is fixedly connected to a feed pipe, the bottom of the smelting furnace body (1) is fixedly connected to a discharge pipe, and a valve is fixedly installed at the end of the discharge pipe.

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