Exhaust filtering structure of mixing granulator

Abstract

The invention discloses an exhaust filtering structure of a mixing granulator, and belongs to the technical field of granulator exhaust, the exhaust filtering structure comprises an exhaust pipeline, the lower side of the exhaust pipeline is provided with a cleaning chamber, the exhaust pipeline is internally provided with a filtering assembly, the filtering assembly comprises a rotating shaft and four supports, and the rotating shaft is rotatably connected in the cleaning chamber; the four supports are arranged on the rotating shaft in a circumferential array mode, and each support is provided with a filter plate. By arranging the rotating shaft and the support structure, the filter plate can be periodically fed into the exhaust pipeline to execute a filtering task, and after the filtering period is completed, the filter plate is automatically transferred into the cleaning chamber to be subjected to necessary cleaning treatment. The process does not need manual intervention, so that the operation difficulty and the maintenance cost are greatly reduced.

Description

Technical Field

[0001] The invention relates to an exhaust filter structure of a mixing granulator, belonging to the technical field of granulator exhaust. Background Art

[0002] During the operation of the granulator, exhaust treatment is a crucial link, which is directly related to the cleanliness of the production environment and the environmental protection standards of the exhaust gas. Traditional exhaust filtration methods often rely on manual replacement and cleaning of filter plates, which is not only cumbersome to operate and increase maintenance costs, but also difficult to ensure the continuous stability of filtration efficiency and cleanliness. In addition, since the filter plate is prone to clogging during use, if it is not cleaned in time, it will seriously affect its filtration performance and even cause poor exhaust, affecting the normal operation of the granulator. In order to solve the above problems, an exhaust filtration structure for a hybrid granulator is proposed. Summary of the invention

[0003] The object of the present invention is to provide an exhaust filter structure for a mixing granulator to solve the problems raised in the above background technology.

[0004] In order to achieve the above object, the present invention adopts the following technical solution: an exhaust filter structure of a mixing granulator, comprising:

[0005] An exhaust pipe, one end of which is an air inlet and the other end is an air outlet, the exhaust pipe is installed on the exhaust port of the granulator, and the air inlet of the exhaust pipe is connected to the exhaust port of the granulator;

[0006] A cleaning chamber, the cleaning chamber is arranged at the lower side of the exhaust duct, and the cleaning chamber is communicated with the inner cavity of the exhaust duct;

[0007] A filter assembly, the filter assembly is arranged inside the exhaust pipe and is used to filter the exhaust gas in the exhaust pipe;

[0008] Wherein, the filtering component comprises:

[0009] A rotating shaft, the rotating shaft being rotatably connected in the cleaning chamber;

[0010] Four brackets, the four brackets are circumferentially arrayed on the rotating shaft, and each bracket is provided with a filter plate;

[0011] When the rotating shaft is rotated, the four brackets can be rotated alternately to the inside of the exhaust duct.

[0012] Preferably, a plurality of blades are rotatably connected to the side wall of the bracket, and sliding rods are slidably connected to both sides of the bracket via springs, and the sliding rods are meshed and connected with the teeth of the rotating shaft of the blades via teeth;

[0013] The interior of the rotating shaft is hollow, and a fixed roller with an elliptical cross section is arranged inside the rotating shaft, and both ends of the fixed roller extend out of the rotating shaft and are fixed to the side wall of the exhaust pipe through a mounting frame;

[0014] One end of the sliding rod extends to the inner cavity of the rotating shaft and is provided with a roller.

[0015] Preferably, a groove is provided on the side wall of the cleaning chamber, the interior of the groove is connected to a rotating plate through a motor, and a plurality of nozzles are provided on the surface of the rotating plate;

[0016] Among them, a reversing valve is fixed on the side wall of the exhaust pipe, and a pipeline connected to the nozzle is arranged on the reversing valve. A water supply pipe and an air supply pipe are connected to the reversing valve, and the water supply pipe and the air supply pipe are alternately connected with the pipeline through the reversing valve.

[0017] Preferably, a sewage trough is provided at the bottom of the cleaning chamber, and a sewage pipe is connected to the sewage trough.

[0018] Preferably, the rotating plate is arranged on a side close to the blades, and one end of the blades on the bracket directly below that is away from the filter plate is inclined upward.

[0019] Preferably, the filter plate is slidably mounted on the bracket from one side of the bracket, an opening is provided on the side wall of the exhaust duct, and a closed door is rotatably connected to the opening;

[0020] When the bracket is rotated downward, the filter plate faces the opening.

[0021] Preferably, a guide wall for guiding the flowing gas in the main exhaust duct upward is provided on the inner wall of the exhaust duct.

[0022] Preferably, the air inlet and the air outlet of the exhaust duct are both provided with connecting flanges, and the connecting flanges are provided with screw holes.

[0023] Compared with existing technologies:

[0024] The present invention can periodically send the filter plate into the exhaust pipe to perform filtering tasks by setting a rotating shaft and a bracket structure, and automatically transfer the filter plate to the cleaning room for necessary cleaning after completing the filtering cycle. This process does not require manual intervention, greatly reducing the difficulty of operation and maintenance costs.

[0025] Specifically, the four filter plates, driven by the rotating shaft, enter the working state in turn at intervals of 90 degrees, ensuring that the gas in the exhaust pipe is continuously and efficiently filtered, effectively preventing the emission of pollutants such as particulate matter, and meeting environmental protection requirements. At the same time, the setting of the cleaning room cleans the filter plates in time after use, removes impurities attached to the filter plates, maintains the filtration efficiency and air permeability of the filter plates, and avoids the problem of reduced filtration performance due to blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the present invention.

[0027] Figure 2 It is an overall cross-sectional view of the present invention.

[0028] Figure 3 For the present invention Figure 2 Enlarged view of point A.

[0029] Figure 4 It is a schematic diagram of the structure of the blades, sliding rods and rollers of the present invention.

[0030] Figure 5 For the present invention Figure 4 Enlarged view of point B.

[0031] Figure 6 It is a schematic diagram of the state when the filter plate of the present invention is taken out from the opening.

[0032] Figure 7 It is a schematic diagram of the structure of the cleaning chamber, filter plate and rotating plate of the present invention.

[0033] Figure 8 It is a schematic diagram of the structure of the rotating plate and the nozzle of the present invention.

[0034] Fig. 9 It is an exploded view of the support and the filter plate of the present invention.

[0035] Fig.10 It is a schematic diagram of the structure inside the reversing valve of the present invention.

[0036] In the figure:

[0037] 1. Exhaust duct;

[0038] 101, air inlet, 102, air outlet, 103, connecting flange, 104, guide wall;

[0039] 2. Cleaning room;

[0040] 201, groove, 202, drain trough, 203, drain pipe;

[0041] 3. Filter components;

[0042] 301, rotating shaft, 302, bracket, 303, filter plate;

[0043] 4. blade, 5. spring, 6. slide bar, 7. fixed roller, 701. mounting frame, 8. roller;

[0044] 9. Rotating plate, 10. Motor;

[0045] 11. Nozzle, 12. Reversing valve, 13. Water supply pipe, 14. Air supply pipe, 15. Pipeline;

[0046] 16. Open the door. 17. Close the door. DETAILED DESCRIPTION

[0047] The present invention is described below with specific embodiments, but they are not intended to be limiting of the invention.

[0048] Embodiment 1

[0049] like Figure 1-Figure 10 As shown, in this embodiment, an exhaust filtration structure of a mixing granulator is provided, comprising an exhaust pipe 1, one end of the exhaust pipe 1 is an air inlet 101, and the other end is an air outlet 102, the exhaust pipe 1 is installed on the exhaust port of the granulator, and the air inlet 101 of the exhaust pipe 1 is connected with the exhaust port of the granulator; a cleaning chamber 2 is arranged at the lower side of the exhaust pipe 1, and the cleaning chamber 2 is connected with the inner cavity of the exhaust pipe 1; a filter assembly 3 is arranged inside the exhaust pipe 1 for filtering the exhaust gas in the exhaust pipe 1;

[0050] The filter assembly 3 includes a rotating shaft 301 and four brackets 302. The rotating shaft 301 is rotatably connected in the cleaning chamber 2. The four brackets 302 are circumferentially arrayed on the rotating shaft 301, and each bracket 302 is provided with a filter plate 303.

[0051] When the rotating shaft 301 is rotated, the four brackets 302 can be rotated alternately to the inside of the exhaust duct 1;

[0052] like Figure 2 As shown, when in use, the rotating shaft 301 is rotated (the rotating shaft 301 is along Figure 2 The filter plate 303 on the bracket 302 is rotated in the direction of the arrow in the figure, and a bracket 302 is rotated from the cleaning chamber 2 to the inside of the exhaust duct 1. At this time, the bracket 302 is placed horizontally inside the exhaust duct 1. The filter plate 303 on the bracket 302 can filter the exhaust gas in the exhaust duct 1. After filtering for a period of time, the rotating shaft 301 is rotated once, and the rotation angle is ninety degrees. In this way, the filter plate 303 on the next bracket 302 replaces the filter plate 303 on the previous bracket 302 to filter the exhaust gas in the exhaust duct 1. The filtered filter plate 303 will be transferred to the inside of the cleaning chamber 2, and the filter plate 303 will be cleaned in the cleaning chamber 2.

[0053] like Figure 6 and Fig. 9 As shown, in order to facilitate the replacement of the filter plate 303, the filter plate 303 is slidably mounted on the bracket 302 from one side of the bracket 302, and an opening 16 is provided on the side wall of the exhaust duct 1, and a closed door 17 is rotatably connected to the opening 16;

[0054] When the bracket 302 rotates downward, the filter plate 303 faces the opening 16 .

[0055] A guide wall 104 is provided on the inner wall of the exhaust duct 1 for guiding the flowing gas in the main exhaust duct 1 upward.

[0056] The air inlet 101 and the air outlet 102 of the exhaust duct 1 are both provided with connecting flanges 103 , and screw holes are provided on the connecting flanges 103 .

[0057] Embodiment 2

[0058] like Figure 2-Figure 5 As shown, on the basis of the first embodiment, in order to separate the cleaning chamber 2 from the exhaust pipe 1, so as to prevent the process of cleaning the filter plate 303 from affecting the filtering of the exhaust gas in the exhaust pipe 1 by the filter plate 303, a plurality of blades 4 are rotatably connected to the side wall of the bracket 302, and sliding rods 6 are slidably connected to the two sides of the bracket 302 through springs 5, and the sliding rods 6 are meshed with the rotating shaft teeth of the blades 4 through teeth;

[0059] The interior of the rotating shaft 301 is hollow, and a fixed roller 7 with an elliptical cross section is arranged inside the rotating shaft 301. Both ends of the fixed roller 7 extend out of the rotating shaft 301 and are fixed to the side wall of the exhaust pipe 1 through a mounting frame 701.

[0060] One end of the sliding rod 6 extends to the inner cavity of the rotating shaft 301 and is provided with a roller 8 .

[0061] like Figure 2 As shown, among the four brackets 302, one bracket 302 is located in the exhaust duct 1, one bracket 302 is located in the cleaning chamber 2, and the other two brackets 302 are located at the connection between the exhaust duct 1 and the cleaning chamber 2, which play the role of separating the exhaust duct 1 from the cleaning chamber 2;

[0062] like Figure 3 As shown, the center point of the fixed roller 7 is point a, and four points b, c, and de are distributed on the surface of the fixed roller 7, wherein the distance between ca and ea is greater than the distance between ba and da, and the two points ce correspond to the positions of the two brackets 302 that separate the exhaust duct 1 from the cleaning chamber 2, namely:

[0063] When the rotating shaft 301 rotates, the roller 8 will roll on the fixed roller 7. When the roller 8 rolls to the position of point c or e, the roller 8 will drive the slide bar 6 to slide out of the inner cavity of the rotating shaft 301 for a certain length, so that the slide bar 6 compresses the spring 5 to slide. At this time, the slide bar 6 drives the multiple blades 4 to rotate to a closed state, that is, on the two brackets 302 located at the connection between the exhaust duct 1 and the cleaning chamber 2, the multiple blades 4 rotate to a closed state, so that the exhaust duct 1 and the cleaning chamber 2 can be further connected;

[0064] In addition, the rollers 8 corresponding to the other two brackets 302 roll to the position of point b or d. At this time, the blades 4 remain in an open state, thereby preventing the blades 4 from interfering with the filtering and cleaning operations of the filter plate 303.

[0065] Embodiment 3

[0066] like Figure 6-Figure 8 and Fig.10 As shown, on the basis of the second embodiment, in order to realize the cleaning of the filter plate 303, a groove 201 is opened on the side wall of the cleaning chamber 2, and the interior of the groove 201 is connected to a rotating plate 9 through a motor 10, and the motor 10 is fixedly installed on the side wall of the exhaust pipe 1, and the output shaft of the motor 10 is connected to one end of the rotating shaft of the rotating plate 9. When the motor 10 is started, the rotating plate 9 can be rotated out from the inside of the groove 201 to Figure 7 In the state shown, a plurality of nozzles 11 are provided on the surface of the rotating plate 9;

[0067] Among them, a reversing valve 12 is fixed on the side wall of the exhaust pipe 1, and a pipeline 15 connected to the nozzle 11 is arranged on the reversing valve 12. A water supply pipe 13 and an air supply pipe 14 are connected to the reversing valve 12, and the water supply pipe 13 and the air supply pipe 14 are alternately connected to the pipeline 15 through the reversing valve 12.

[0068] When cleaning the filter plate 303, the motor 10 is used to rotate the rotating plate 9 out of the groove 201. At this time, the nozzle 11 on the rotating plate 9 faces the filter plate 303, and then the water supply pipe 13 is connected to the pipeline 15 through the reversing valve 12, and the nozzle 11 will spray water onto the filter plate 303 to clean the filter plate 303. After spraying water for a period of time, the air supply pipe 14 is connected to the pipeline 15 through the reversing valve 12, and the nozzle 11 will spray air to the filter plate 303 to quickly dry the cleaned filter plate 303. After cleaning is completed, the motor 10 is used to rotate the rotating plate 9 into the groove 201, thereby completing the cleaning operation of the filter plate 303.

[0069] A sewage trough 202 is provided at the bottom of the cleaning chamber 2 , and a sewage pipe 203 is connected to the sewage trough 202 .

[0070] The rotating plate 9 is arranged on a side close to the blade 4, and the end of the blade 4 on the bracket 302 directly below is tilted upward away from the filter plate 303;

[0071] like Figure 7 As shown, when the nozzle 11 sprays water toward the filter plate 303, the water falling on the upper surface of the blade 4 will flow along the blade 4 to the filter plate 303 to increase the cleaning efficiency. When spraying, the lower surface of the blade 4 has the function of guiding the gas to the filter plate 303 in a downwardly inclined manner to improve the efficiency of the downward flow of water on the filter plate 303, thereby improving the drying efficiency.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate rather than limit the technical solutions of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the present invention can still be modified or replaced by equivalents. Any modification or partial replacement that does not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An exhaust filter structure for a mixing granulator, characterized in that: include: An exhaust pipe (1), one end of the exhaust pipe (1) being an air inlet (101) and the other end being an air outlet (102), the exhaust pipe (1) being installed on the exhaust port of the granulator, and the air inlet (101) of the exhaust pipe (1) being in communication with the exhaust port of the granulator; A cleaning chamber (2), the cleaning chamber (2) being arranged at the lower side of the exhaust duct (1), the cleaning chamber (2) being in communication with the inner cavity of the exhaust duct (1); A filter assembly (3), the filter assembly (3) being arranged inside the exhaust pipe (1) and used for filtering exhaust gas in the exhaust pipe (1); Wherein, the filtering component (3) comprises: A rotating shaft (301), the rotating shaft (301) being rotatably connected in the cleaning chamber (2); Four brackets (302), the four brackets (302) are arranged in a circumferential array on the rotating shaft (301), and each bracket (302) is provided with a filter plate (303); When the rotating shaft (301) is rotated, the four brackets (302) can be rotated alternately to the inside of the exhaust duct (1).

2. The exhaust filter structure of a mixing granulator according to claim 1, characterized in that: A plurality of blades (4) are rotatably connected to the side wall of the bracket (302), and sliding rods (6) are slidably connected to both sides of the bracket (302) via springs (5), and the sliding rods (6) are meshed with the teeth of the rotating shaft of the blades (4) via teeth; The interior of the rotating shaft (301) is hollow, and a fixed roller (7) with an elliptical cross section is arranged inside the rotating shaft (301), and both ends of the fixed roller (7) extend outside the rotating shaft (301) and are fixed to the side wall of the exhaust pipe (1) through a mounting frame (701); One end of the sliding rod (6) extends to the inner cavity of the rotating shaft (301) and is provided with a roller (8).

3. The exhaust filter structure of a mixing granulator according to claim 2, characterized in that: A groove (201) is provided on the side wall of the cleaning chamber (2); a rotating plate (9) is rotatably connected to the inside of the groove (201) via a motor (10); and a plurality of nozzles (11) are provided on the surface of the rotating plate (9); A reversing valve (12) is fixed on the side wall of the exhaust pipe (1), a pipeline (15) connected to the nozzle (11) is arranged on the reversing valve (12), a water supply pipe (13) and an air supply pipe (14) are connected to the reversing valve (12), and the water supply pipe (13) and the air supply pipe (14) are alternately connected to the pipeline (15) through the reversing valve (12).

4. The exhaust filter structure of a mixing granulator according to claim 3, characterized in that: A sewage trough (202) is provided at the bottom of the cleaning chamber (2), and a sewage pipe (203) is connected to the sewage trough (202).

5. The exhaust filter structure of a mixing granulator according to claim 3, characterized in that: The rotating plate (9) is arranged on a side close to the blade (4), and the end of the blade (4) on the bracket (302) directly below, which is away from the filter plate (303), is inclined upward.

6. The exhaust filter structure of a mixing granulator according to claim 1, characterized in that: The filter plate (303) is slidably mounted on the bracket (302) from one side of the bracket (302); an opening (16) is provided on the side wall of the exhaust duct (1); and a closed door (17) is rotatably connected to the opening (16); When the bracket (302) rotates downward, the filter plate (303) faces the opening (16).

7. The exhaust filter structure of a mixing granulator according to claim 1, characterized in that: A guide wall (104) for guiding the flowing gas in the main exhaust pipe (1) upwards is provided on the inner wall of the exhaust pipe (1).

8. The exhaust filter structure of a mixing granulator according to claim 1, characterized in that: The air inlet (101) and the air outlet (102) of the exhaust pipe (1) are both provided with connecting flanges (103), and the connecting flanges (103) are provided with screw holes.

Images