Flue gas filter capable of being automatically cleaned

Abstract

The utility model discloses a smoke filter capable of being automatically cleaned, which comprises a filter main body and a filter assembly, and the filter assembly is longitudinally arranged in the filter main body; the cleaning assembly is used for cleaning adhesive substances on the filtering assembly, and the outer end face of the cleaning assembly is in contact with the surface of the filtering assembly; the driving assembly is used for driving the cleaning assembly to rotate around the axis of the cleaning assembly so as to circularly clean the filtering assembly in a reciprocating manner. The filtering assembly is arranged in the filter and used for filtering some substances with large particle sizes in the kiln flue gas, the driving assembly drives the cleaning assembly to rotate at a constant speed after working for a period of time every time, and then flue gas adhesion substances on the filtering assembly are repeatedly cleaned; smooth proceeding of the smoke filtering procedure can be guaranteed, and the smoke filtering effect can be improved. Automatic cleaning is time-saving and labor-saving, constant-speed mild cleaning is achieved, and the filter assembly cannot be

Description

Technical Field

[0001] The utility model relates to the technical field of kiln smoke filters, and mainly relates to a smoke filter that can be automatically cleaned. Background Art

[0002] The flue gas emitted by the kiln contains dust, particulate matter, and invisible SO2 and nitrogen oxides. These substances need to be filtered through the flue gas filter before entering the heat exchanger for heat exchange treatment.

[0003] The existing flue gas filter is provided with a simple filter net for filtering, which will be clogged after being used for a period of time; the filter needs to be manually disassembled at regular intervals and cleaned after the filter net is removed, which is very time-consuming and laborious; when the filter net is cleaned, the filter stops working, affecting the progress of flue gas treatment and reducing the work efficiency of the entire process. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an automatically cleanable smoke filter which can not only ensure the smooth progress of the smoke filtering process, but also improve the smoke filtering effect and save time and effort in automatic cleaning.

[0005] The technical problem to be solved by the present invention can be achieved by adopting the following technical solutions:

[0006] A smoke filter capable of automatic cleaning, characterized by comprising:

[0007] A filter body and a filter assembly, wherein the filter assembly is longitudinally arranged inside the filter body;

[0008] A cleaning component, used for cleaning adhered matter on the filter component, wherein the outer end surface of the cleaning component contacts the surface of the filter component;

[0009] The driving assembly is used to drive the cleaning assembly to rotate around its own axis, thereby cyclically cleaning the filter assembly.

[0010] In a preferred embodiment of the utility model, the filter body includes a filter cartridge, a smoke inlet pipe, and a smoke outlet pipe. The filter cartridge is longitudinally arranged, the smoke inlet pipe is horizontally connected to the lower part of the outer ring surface of the filter cartridge, and the smoke outlet pipe is horizontally connected to the upper part of the outer ring surface of the filter cartridge.

[0011] In a preferred embodiment of the present utility model, the flue gas filter further includes a guiding assembly for guiding particulate matter in the flue gas and the adherents on the filtering assembly. The guiding assembly includes a guiding hopper, a guiding shell, a guiding screw, and a guiding pipe. The guiding hopper is connected to the bottom end of the filtering cylinder, one end of the guiding shell is horizontally connected to the bottom outlet of the guiding hopper, the guiding screw is horizontally arranged in the guiding shell, and the guiding pipe is longitudinally connected to the bottom of the guiding screw and at the other end of the guiding shell.

[0012] In a preferred embodiment of the present utility model, the filtering assembly includes a pair of filtering support rings, a plurality of filtering support rods, and a filter mesh. The pair of filtering support rings are respectively arranged in the middle and lower parts of the inner wall of the filtering cylinder, a plurality of the filtering support rods are vertically connected in a circumferential array between the pair of filtering support rings, the filter mesh is fixedly laid on the plurality of filtering support rods, and the filter mesh seals the smoke inlet pipe.

[0013] In a preferred embodiment of the present utility model, the cleaning assembly includes a cleaning frame and a scraper. The cleaning frame is longitudinally arranged inside the filter mesh, the scraper is longitudinally fixed on the cleaning frame, and the outer end face of the scraper contacts the inner wall of the filter mesh.

[0014] In a preferred embodiment of the present utility model, the driving assembly includes a driving motor and a speed reducer. The output shaft of the driving motor is in transmission connection with the speed reducer, and the bottom end of the output part of the speed reducer is longitudinally and fixedly connected to the central axis of the cleaning frame. The driving motor drives the speed reducer in sequence, and then drives the cleaning frame and the scraper. The scraper scrapes the adherents on the filter mesh.

[0015] In a preferred embodiment of the present utility model, the guiding shell is an uncovered shell with a U-shaped cross-section. A servo motor is arranged at the outer end of the guiding screw, and the servo motor drives the guiding screw to rotate around the horizontal axis, so as to guide the adherents from right to left to the top of the guiding pipe.

[0016] In a preferred embodiment of the present utility model, the cleaning frame has a cross-section in the shape of a Chinese character "zhong" without a tail at the end; the cross-section of the scraper is in the shape of a Chinese character "hui".

[0017] The beneficial effects of the present utility model are as follows: A flue gas filter capable of automatic cleaning. The filtering assembly is arranged inside the filter to filter some substances with larger particle sizes in the flue gas of the kiln. After working for a period of time, the driving assembly drives the cleaning assembly to rotate at a constant speed, and then repeatedly cleans the adherents of the flue gas on the filtering assembly. It can not only ensure the smooth progress of the flue gas filtering process, but also improve the flue gas filtering effect. The automatic cleaning saves time and effort, and the cleaning at a constant speed is gentle and will not damage the filtering assembly. Description of the Drawings

[0018] Figure 1 The utility model is a three-dimensional diagram of a smoke filter capable of automatic cleaning.

[0019] Figure 2 The utility model is an exploded structural diagram of a smoke filter capable of automatic cleaning.

[0020] Figure 3 It is a structural schematic diagram of the guide assembly of the utility model.

[0021] Figure 4 It is a structural schematic diagram of the filter component and the cleaning component of the utility model.

[0022] Label:

[0023] Filter body 10; filter cartridge 11, smoke inlet pipe 12, smoke outlet pipe 13.

[0024] The filter assembly 20 comprises a filter support ring 21, a filter support rod 22, and a filter net. The guide assembly 30 comprises a guide bucket 31, a guide shell 32, a guide spiral 33, and a guide tube 34.

[0025] Cleaning assembly 40 : cleaning frame 41 , scraper 42 . Driving assembly 50 : driving motor 51 , reducer 52 . DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below with reference to specific illustrations.

[0027] See also Figure 1 to Figure 2 , the figure shows a flue gas filter that can be automatically cleaned, including: a filter body 10, a filter assembly 20, the filter assembly 20 is longitudinally arranged inside the filter body 10; a cleaning assembly 40, used to clean the adhesion on the filter assembly 20, the outer end surface of the cleaning assembly 40 is in contact with the surface of the filter assembly 20; a driving assembly 50, used to drive the cleaning assembly 40 to rotate around its own axis, and then cyclically clean the filter assembly 20. The filter assembly 20 of the utility model is arranged inside the filter to filter certain substances with larger particle sizes in the kiln flue gas. After working for a period of time, the driving assembly 50 drives the cleaning assembly 40 to rotate at a constant speed, and then repeatedly cleans the flue gas adhesion on the filter assembly 20; it can not only ensure the smooth progress of the flue gas filtration process, but also improve the flue gas filtration effect; automatic cleaning saves time and labor, and cleans gently at a constant speed without damaging the filter assembly 20.

[0028] Combination Figure 4The filter body 10 includes a filter cartridge 11, a smoke inlet pipe 12, and a smoke outlet pipe 13. The filter cartridge 11 is arranged longitudinally, the smoke inlet pipe 12 is horizontally docked at the lower part of the outer ring surface of the filter cartridge 11, and the smoke outlet pipe 13 is horizontally docked at the upper part of the outer ring surface of the filter cartridge 11. Specifically, the filter cartridge 11 is cylindrical, and the material of the filter cartridge is provided with heat-insulating material; the overall shape of the smoke inlet pipe 12 is a whistle-shaped square tube; the smoke outlet pipe 13 is a round tube, and a sealing ring is provided at the connection of the smoke outlet pipe 13. The above filter body 10 filters the smoke in a bottom-in and top-out manner, and the particles in the smoke will automatically fall along the guide bucket 31.

[0029] Combination Figure 3 The smoke filter also includes a guide assembly 30, which is used to guide particulate matter in the smoke and adhesions on the filter assembly 20; the guide assembly 30 includes a guide bucket 31, a guide shell 32, a guide screw 33, and a guide tube 34. The guide bucket 31 is connected to the bottom end of the filter cartridge 11, one end of the guide shell 32 is horizontally connected to the bottom outlet of the guide bucket 31, the guide screw 33 is horizontally arranged in the guide shell 32, and the guide tube 34 is longitudinally connected to the bottom of the guide screw 33 and the other end of the guide shell 32.

[0030] Specifically, the guide bucket 31 is in an inverted cone shape as a whole; the guide shell 32 is a coverless shell with a U-shaped cross-section; a drive motor 51 is provided at the outer end of the guide screw 33, and the drive motor 51 drives the guide screw 33 to rotate around the horizontal axis, thereby guiding the adhesion from right to left to the top of the guide tube 34, and then discharged; the above double guiding effect is better.

[0031] See also Figures 1 to 4 The filter assembly 20 includes a pair of filter support rings 21, a plurality of filter support rods 22, and a filter net. The pair of filter support rings 21 are respectively arranged at the middle and lower parts of the inner wall of the filter cartridge 11, and the pair of filter support rings 21 are respectively located at the upper end face and the lower end face of the smoke inlet pipe 12; a plurality of filter support rods 22 are vertically connected in a circumferential array between the pair of filter support rings 21, and the filter net is fixedly laid on the plurality of filter support rods 22, and the filter net seals the smoke inlet pipe 12. Preferably, the pair of filter support rings 21 are respectively located at the upper end face of the smoke outlet pipe 13 and the lower end face of the smoke inlet pipe 12, and the filter net seals the pipe openings of the smoke inlet pipe 12 and the smoke outlet pipe 13, so as to achieve two filtrations; the above ensures that all smoke is filtered at least once.

[0032] The cleaning component 40 includes a cleaning frame 41 and a scraper 42. The cleaning frame 41 is longitudinally arranged inside the filter screen, and the scraper 42 is longitudinally fixed on the cleaning frame 41. The outer end face of the scraper 42 is in close contact with the inner wall of the filter screen. Specifically, the longitudinal section of the cleaning frame 41 is in the shape of a Chinese character 'zhong' without a tail; the longitudinal section of the scraper 42 is in the shape of a square with a hole in the middle; the above cleaning component 40 has a good cleaning effect on the adhesions on the filter screen. Preferably, the cleaning frame 41 and the scraper 42 of the cleaning component 40 can also be arranged between the outer wall of the filter screen and the inner wall of the filter cylinder 11, which is convenient for cleaning the inner and outer walls of the filter screen simultaneously.

[0033] The driving component 50 includes a driving motor 51 and a speed reducer 52. The output shaft of the driving motor 51 is in transmission connection with the speed reducer 52, and the bottom end of the output part of the speed reducer 52 is longitudinally and fixedly connected to the central axis of the cleaning frame 41; the driving motor 51 drives the speed reducer 52 in sequence, and then drives the cleaning frame 41 and the scraper 42, and the scraper 42 scrapes the adhesions on the filter screen. Specifically, the driving component 50 is arranged on the top of the filter cylinder 11 through a driving bracket; the driving motor 51 is a servo motor; the speed reducer 52 is a worm and worm gear transmission structure; the above driving component 50 realizes the automatic cyclic rotation of the cleaning component 40 to clean the adhesions on the filter screen.

[0034] The above has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-cleaning smoke filter, characterized in that: Comprising: A filter body and a filtering component, the filtering component being longitudinally arranged inside the filter body; A cleaning component for cleaning the adhesions on the filtering component, the outer end face of the cleaning component being in contact with the surface of the filtering component; A driving component for driving the cleaning component to rotate around its own axis, and thus cyclically cleaning the filtering component.

2. The self-cleaning smoke filter according to claim 1, characterized in that: The filter body includes a filter cylinder, a smoke inlet pipe, and a smoke outlet pipe. The filter cylinder is longitudinally arranged. The smoke inlet pipe is horizontally connected to the lower part of the outer ring surface of the filter cylinder, and the smoke outlet pipe is horizontally connected to the upper part of the outer ring surface of the filter cylinder.

3. The self-cleaning smoke filter according to claim 2, characterized in that: The flue gas filter further includes a guiding component for guiding the particulate matter in the flue gas and the adhesions on the filtering component; the guiding component includes a guiding hopper, a guiding shell, a guiding spiral, and a guiding pipe. The guiding hopper is connected to the bottom end of the filter cylinder. One end of the guiding shell is horizontally connected to the bottom outlet of the guiding hopper. The guiding spiral is horizontally arranged inside the guiding shell. The guiding pipe is longitudinally connected to the bottom of the guiding spiral and at the other end of the guiding shell.

4. The self-cleaning smoke filter according to claim 3, characterized in that: The filtering component includes a pair of filtering support rings, a plurality of filtering support rods, and a filter net. A pair of the filtering support rings are respectively arranged in the middle and lower parts of the inner wall of the filter cylinder. A plurality of the filtering support rods are vertically connected in a circumferential array between the pair of filtering support rings. The filter net is fixedly laid on the plurality of filtering support rods, and the filter net seals the smoke inlet pipe.

5. The self-cleaning smoke filter according to claim 4, characterized in that: The cleaning component includes a cleaning frame and a scraping plate. The cleaning frame is longitudinally arranged inside the filter net. The scraping plate is longitudinally fixed on the cleaning frame, and the outer end face of the scraping plate is in contact with the inner wall of the filter net.

6. A self-cleaning smoke filter as claimed in claim 5, characterized in that: The driving component includes a driving motor and a speed reducer. The output shaft of the driving motor is in transmission connection with the speed reducer. The bottom end of the output part of the speed reducer is longitudinally fixedly connected to the central axis of the cleaning frame; the driving motor drives the speed reducer in sequence, and thus drives the cleaning frame and the scraping plate. The scraping plate scrapes the adhesions on the filter net.

7. The self-cleaning smoke filter according to claim 3, characterized in that: The guiding shell is an uncovered shell with a U-shaped cross-section; a servo motor is arranged at the outer end of the guiding spiral, and the servo motor drives the guiding spiral to rotate around the horizontal axis, and thus guides the adhesions from right to left to the top of the guiding pipe.

8. The self-cleaning smoke filter according to claim 5, characterized in that: The cleaning frame has a cross-section in the shape of a Chinese character "zhong" without a tail; the cross-section of the scraping plate is in the shape of a square frame.

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