Air-washing cleaning machine for filter cartridge

Abstract

The utility model relates to the technical field of filter drum cleaning equipment, and discloses a filter drum air-washing cleaning machine which comprises a machine shell, an air-washing chamber is arranged on the machine shell, a filter drum is arranged on a fixing frame, tension springs are symmetrically and fixedly connected between the bottom of the fixing frame and the inner wall of the air-washing chamber, a gland is arranged on the top of the air-washing chamber, and the filter drum is arranged on the gland. An exhaust filter is arranged on one side of the ash discharging channel, the ash removing assembly comprises sliding rods symmetrically and fixedly connected to the bottom of an inner cavity of the air washing chamber, sliding blocks are symmetrically and slidably connected to the outer portions of the sliding rods, connecting rods are hinged between the sliding blocks and the fixing frame through hinge pieces, and connecting frames are fixedly connected to the two sets of sliding blocks on one side; and the tail end of the connecting frame is fixedly connected with a scraping plate. According to the utility model, the problems that the pollution is serious due to the traditional mode of cleaning the filter cartridge and the cost is increased due to direct replacement are effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of filter cartridge cleaning equipment, in particular to a filter cartridge air washing cleaning machine. Background Art

[0002] Cartridge dust collector is a kind of dust collector which is composed of filter cartridge as filter element or adopts pulse jet. Cartridge dust collector is widely used in sandblasting dust removal system of steel structure.

[0003] The filter cartridge is a key component for dust removal. Generally, the sandblasting room needs to be equipped with two main dust collectors, each with 132 filter cartridges. A large shipyard needs to clean nearly 1,000 filter cartridges per year. If mechanical vibration is used to clean it, it is easy to generate dust, which is easy to cause pollution and does not conform to the current environmental protection concept. If it is directly replaced, it will increase the production cost. For this reason, we provide a filter cartridge air washing cleaning machine. Utility Model Content

[0004] In order to solve the problems in the above-mentioned background technology that the traditional method of cleaning the filter cartridge is highly polluting and direct replacement will increase the cost, the utility model provides a filter cartridge air washing cleaning machine.

[0005] The utility model adopts the following technical scheme to realize: the filter cartridge air washing cleaning machine comprises:

[0006] A casing, an air washing chamber is arranged on the casing, a fixing frame is arranged inside the air washing chamber, a filter cartridge is arranged on the fixing frame, a tension spring is symmetrically fixedly connected between the bottom of the fixing frame and the inner wall of the air washing chamber, a pressure cover is arranged on the top of the air washing chamber, a compressed air pipe is arranged on the casing and the compressed air pipe is connected to the air washing chamber, a back-purge air pipe is also arranged on the casing and the back-purge air pipe is connected to the air washing chamber, an ash discharge channel is arranged on the casing and the ash discharge channel is connected to the air washing chamber, and an exhaust filter is arranged on one side of the ash discharge channel;

[0007] A dust cleaning component, the dust cleaning component includes a sliding rod symmetrically fixedly connected to the bottom of the inner cavity of the air washing chamber, the outside of the sliding rod is symmetrically slidably connected to a slider, a connecting rod is hinged between the slider and the fixed frame through a hinge, two groups of sliders on one side are fixedly connected to a connecting frame, and the end of the connecting frame is fixedly connected to a scraper.

[0008] As a further improvement of the above solution, a soot blowing solenoid valve is provided on the compressed air pipe.

[0009] As a further improvement of the above solution, a back-purge solenoid valve is provided on the back-purge air pipe.

[0010] As a further improvement of the above solution, an ash discharge valve is additionally provided inside the ash discharge port of the ash discharge channel.

[0011] As a further improvement of the above solution, the bottom of the ash discharge channel is movably connected to an ash recovery box.

[0012] As a further improvement of the above solution, an electric control box is fixedly connected to the outside of one side of the casing.

[0013] As a further improvement of the above solution, the scraper is in contact with the surface of the exhaust filter.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The utility model fixes the filter cartridge with dust attached to the bracket through a pressure cover, and installs the whole on a closed cleaning machine platform, so as to prevent the occurrence of dust, thereby reducing the pollution of dust to the environment and having strong environmental protection.

[0016] 2. The utility model uses the explosion gas generated by the compressed air discharge to blow and clean the filter cartridge, so that the attached dust can fall off under the explosion and vibration and fall into the dust storage tank. The dust is collected and harmlessly treated, which further improves the environmental protection performance of the device.

[0017] 3. The utility model can use PLC to automatically control different vibration and washing times for filter cartridges with more dust, and has strong applicability.

[0018] 4. The utility model utilizes pulse solenoid valve conversion to quickly realize discharge to form explosion and flushing, which is energy-saving and efficient.

[0019] 5. The gas in the cleaning machine of the utility model is filtered through the exhaust filter port and then discharged, so as to meet the emission standards and increase the environmental protection ability of the device.

[0020] 6. When loading and unloading the filter cartridge, the utility model utilizes the sliding cooperation between the slider and the slide rod, and the hinged action between the slider and the fixed frame and the connecting rod, so that the tension spring can be compressed and automatically reset, thereby driving the two sets of scrapers to move toward or away from each other, and then the dust attached to the surface of the filter can be scraped off, ensuring a good exhaust effect of the device and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the longitudinal structure of the utility model;

[0022] Figure 2 for Figure 1 The enlarged structural diagram at A in the middle;

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the dust cleaning component of the utility model.

[0024] Description of main symbols:

[0025] 1. Casing; 2. Air washing chamber; 3. Fixed frame; 4. Filter cartridge; 5. Tension spring; 6. Pressure cover; 7. Compressed air pipe; 8. Back-purge air pipe; 9. Ash discharge channel; 10. Exhaust filter; 11. Electric control box; 71. Ash blowing solenoid valve; 81. Back-purge solenoid valve; 91. Ash discharge valve; 92. Ash recovery box; 101. Sliding rod; 102. Sliding block; 103. Connecting rod; 104. Connecting frame; 105. Scraper. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0027] Embodiment 1:

[0028] Please combine Figure 1-3 The filter cartridge air washing cleaning machine of this embodiment comprises:

[0029] The casing 1 is provided with an air washing chamber 2, a fixing frame 3 is provided inside the air washing chamber 2, a filter cartridge 4 is provided on the fixing frame 3, a tension spring 5 is symmetrically fixedly connected between the bottom of the fixing frame 3 and the inner wall of the air washing chamber 2, a pressure cover 6 is provided on the top of the air washing chamber 2, a compressed air pipe 7 is provided on the casing 1 and the compressed air pipe 7 is connected to the air washing chamber 2, a back-purge air pipe 8 is also provided on the casing 1 and the back-purge air pipe 8 is connected to the air washing chamber 2, and an ash discharge channel 9 is provided on the casing 1 The ash discharge channel 9 is connected to the air washing chamber 2, an exhaust filter 10 is arranged on one side of the ash discharge channel 9, a soot blowing solenoid valve 71 is added to the compressed air pipe 7 to control the opening and closing of the compressed air pipe 7, a back-purge solenoid valve 81 is added to the back-purge air pipe 8 to control the opening and closing of the back-purge air pipe 8, an ash discharge valve 91 is added inside the ash discharge port of the ash discharge channel 9 to control the opening and closing of the ash discharge channel 9, and an electric control box 11 is fixedly connected to the outside of one side of the casing 1 to facilitate the control of the device;

[0030] The dust cleaning component includes a sliding rod 101 symmetrically fixedly connected to the bottom of the inner cavity of the air washing chamber 2, a sliding block 102 is symmetrically slidably connected to the outside of the sliding rod 101, a connecting rod 103 is hinged between the sliding block 102 and the fixed frame 3 through a hinge, two groups of sliding blocks 102 on one side are fixedly connected to a connecting frame 104, and a scraper 105 is fixedly connected to the end of the connecting frame 104, and the scraper 105 is in contact with the surface of the exhaust filter 10.

[0031] The implementation principle of the filter cartridge air washing cleaning machine in the embodiment of the present application is as follows: first, the filter cartridge 4 is placed on the fixing frame 3 and pressed downward, and then the air washing chamber 2 is closed by the pressure cover 6, and then the soot blowing solenoid valve 71 and the back-purge solenoid valve 81 are opened. The rapid discharge of air can form a burst to blow and wash the filter cartridge 4, and the attached dust can fall off under the explosion and vibration and fall into the ash discharge channel 9 in a concentrated manner. Finally, the ash discharge valve 91 is opened to discharge the dust, and the air will be filtered through the exhaust filter 10 and then discharged. At the same time, when loading and unloading the filter cartridge 4, the sliding cooperation between the slider 102 and the slide rod 101, the hinged action between the slider 102 and the fixing frame 3 and the connecting rod 103 are utilized, so that the tension spring 5 can be compressed and automatically reset, thereby driving the two sets of scrapers 105 to move toward or away from each other, and then the dust attached to the surface of the exhaust filter 10 can be scraped off, thereby ensuring a good exhaust effect of the device.

[0032] Embodiment 2:

[0033] The present embodiment is further improved on the basis of the embodiment 1 in that: the bottom of the dust discharge channel 9 is movably connected with a dust collection box 92 to facilitate the unified dust collection and treatment.

[0034] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A filter cartridge air washing cleaning machine, characterized in that: include: A casing (1), wherein an air washing chamber (2) is arranged on the casing (1), a fixing frame (3) is arranged inside the air washing chamber (2), a filter cartridge (4) is arranged on the fixing frame (3), a tension spring (5) is symmetrically fixedly connected between the bottom of the fixing frame (3) and the inner wall of the air washing chamber (2), a pressure cover (6) is arranged on the top of the air washing chamber (2), a compressed air pipe (7) is arranged on the casing (1), and the compressed air pipe (7) is connected to the air washing chamber (2), a back-purge air pipe (8) is also arranged on the casing (1), and the back-purge air pipe (8) is connected to the air washing chamber (2), an ash discharge channel (9) is arranged on the casing (1), and the ash discharge channel (9) is connected to the air washing chamber (2), and an exhaust filter (10) is arranged on one side of the ash discharge channel (9); A dust cleaning component, the dust cleaning component comprises a sliding rod (101) symmetrically fixedly connected to the bottom of the inner cavity of the air washing chamber (2), the outside of the sliding rod (101) is symmetrically slidably connected to a slider (102), a connecting rod (103) is hinged between the slider (102) and the fixed frame (3) through a hinge, two groups of the sliders (102) on one side are fixedly connected to a connecting frame (104), and the end of the connecting frame (104) is fixedly connected to a scraper (105).

2. The filter cartridge air washing cleaning machine according to claim 1, characterized in that: The compressed air pipe (7) is provided with a soot blowing electromagnetic valve (71).

3. The filter cartridge air washing cleaning machine according to claim 1, characterized in that: The back-purge air pipe (8) is provided with a back-purge solenoid valve (81).

4. The filter cartridge air washing cleaning machine according to claim 1, characterized in that: An ash discharge valve (91) is additionally provided inside the ash discharge port of the ash discharge channel (9).

5. The filter cartridge air washing cleaning machine according to claim 1, characterized in that: The bottom of the ash discharge channel (9) is movably connected to an ash collection box (92).

6. The filter cartridge air washing cleaning machine according to claim 1, characterized in that: An electric control box (11) is fixedly connected to the outside of one side of the casing (1).

7. The filter cartridge air washing cleaning machine according to claim 1, characterized in that: The scraper (105) is in contact with the surface of the exhaust filter (10).

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