Polyester polyol product filtering device

Abstract

The utility model discloses a polyester polyol product filtering device, which relates to the technical field of filtering devices and comprises a shell, a boss arranged at the bottom of the shell, a deslagging structure arranged on the boss, a scraping and sweeping structure arranged on the deslagging structure and used for improving the deslagging effect, a filter cartridge connected to the boss, and a cover plate connected to the upper end of the shell. An input pipe penetrates through the cover plate, an output pipe is arranged at the lower end of the shell, and a cleaning structure for cleaning the filter cartridge is arranged on the cover plate. According to the utility model, the scraping and sweeping structure is arranged, so that impurities accumulated on the boss are swept into the deslagging opening during deslagging, and the deslagging effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter device technical field, concretely is a kind of polyester polyol product filter device. BACKGROUND

[0002] When producing and manufacturing polyester polyol, it needs to be filtered, and the impurities therein are cleaned, such as the patent document with the announcement number CN220460022U records polyester polyol production filter, the filter is pulled by rope heavy block, high-pressure nozzle on heavy block sprays high-pressure gas to blow off the impurities attached on filter screen, the impurities separated from filter screen are accumulated at the bottom of filter, when opening control valve to discharge residue, there is still impurity remaining in the bottom of filter. SUMMARY

[0003] The utility model aims at providing a kind of polyester polyol product filter device, to solve the problem that there is still impurity remaining in the bottom of filter when discharging residue in the production process of polyester polyol product.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of polyester polyol product filter device, including shell, the shell bottom is equipped with boss, the boss is equipped with residue discharge structure, the residue discharge structure is equipped with the scraping structure of improving residue discharge effect, the boss is connected with filter cartridge, the shell upper end is connected with cover plate, the cover plate is equipped with input pipe, the shell lower end is equipped with output pipe, the cover plate is equipped with the cleaning structure for cleaning filter cartridge.

[0006] Based on the above technical scheme, the utility model further provides the following optional technical scheme:

[0007] In an optional scheme: the residue discharge structure includes residue discharge opening opened in boss, the boss is rotatably connected with rotating column through penetration, the rotating column is rotatably connected with blocking plate through penetration, the blocking plate is in close contact with boss, the rotating column lower end is connected with force rod.

[0008] In an optional scheme: the scraping structure includes transmission shaft, which is coaxially rotatably arranged in the rotating column through penetration, one end of the transmission shaft is connected with scraper, the scraper is in contact with boss, the other end of the transmission shaft is connected with first gear, the force rod is provided with scraping drive assembly for driving transmission shaft to rotate.

[0009] In an optional scheme: the scraping drive assembly includes rack, which is slidably arranged on the force rod through guide module, the rack is engaged with the first gear, the force rod is connected with driving motor, the output end of the driving motor is connected with second gear, the second gear is engaged with the rack.

[0010] In an alternative, the guide module comprises a sliding groove formed on the force applying rod, and a sliding block is slidably arranged in the sliding groove, and the rack is connected to the sliding block.

[0011] In an alternative, the cleaning structure comprises a fixing frame connected to the cover plate, a rotating shaft is rotatably connected to the fixing frame, the rotating shaft is coaxial with the input pipe, a fan blade is connected to one end of the rotating shaft, and a cleaning module for cleaning the filter cartridge is connected to the circumferential side of the rotating shaft.

[0012] In an alternative, the filter cartridge is in a cylindrical shape, the filter cartridge is coaxial with the input pipe, the cleaning module comprises a connecting rod connected to the rotating shaft, a cleaning plate is connected to the end of the connecting rod away from the rotating shaft, and the cleaning plate is in contact with the filter cartridge.

[0013] In an alternative, the filter cartridge is made of stainless steel.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] The present application has the advantages that the impurities accumulated on the convex platform are swept into the slag discharge opening during slagging by the scraping structure, thereby improving the slagging effect.

[0016] The present application has the advantages that the cleaning structure is driven by the flowing polyester polyol to clean the filter cartridge, without the need for external power, and the sealing property of the shell is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The present application has the advantages that the impurities accumulated on the convex platform are swept into the slag discharge opening during slagging by the scraping structure, thereby improving the slagging effect.

[0018] Figure 2 The present application has the advantages that the impurities accumulated on the convex platform are swept into the slag discharge opening during slagging by the scraping structure, thereby improving the slagging effect.

[0019] Figure 3 The present application has the advantages that the impurities accumulated on the convex platform are swept into the slag discharge opening during slagging by the scraping structure, thereby improving the slagging effect. Figure 2 The present application has the advantages that the impurities accumulated on the convex platform are swept into the slag discharge opening during slagging by the scraping structure, thereby improving the slagging effect.

[0020] Figure 4 The present application has the advantages that the impurities accumulated on the convex platform are swept into the slag discharge opening during slagging by the scraping structure, thereby improving the slagging effect.

[0021] Reference signs: 101, shell; 102, convex platform; 103, filter cartridge; 104, cover plate; 105, input pipe; 106, output pipe; 201, slag discharge opening; 202, blocking plate; 203, slag discharge hole; 204, rotating column; 205, force applying rod; 301, transmission shaft; 302, scraper; 303, first gear; 304, rack; 305, sliding groove; 306, driving motor; 307, second gear; 308, sliding block; 401, fixing frame; 402, rotating shaft; 403, fan blade; 404, connecting rod; 405, cleaning plate. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will make further detailed description to the utility model in combination with the drawings and examples.

[0023] In one embodiment, as shown in Figures 1-4 A polyester polyol product filtering device, including shell 101, the bottom of shell 101 is equipped with boss 102, and the boss 102 is equipped with slagging structure, and the slagging structure is equipped with scraping structure for improving slagging effect, and the boss 102 is connected with filter cartridge 103, and the upper end of shell 101 is connected with cover plate 104, and the cover plate 104 is equipped with input pipe 105, and the lower end of shell 101 is equipped with output pipe 106, and the cover plate 104 is equipped with cleaning structure for cleaning filter cartridge 103.

[0024] In the embodiment, the filter cartridge 103 filters the polyester polyol, and the impurities in the polyester polyol adhere to the filter cartridge 103, and the cleaning structure cleans the impurities adhering to the filter cartridge 103, so as to prevent the filter cartridge 103 from being blocked and affecting the filtering efficiency, and the impurities are finally accumulated on the boss 102, and the slagging structure discharges the impurities accumulated on the boss 102, and the scraping structure scrapes the surface of the boss 102 during discharging, so as to improve the slagging effect.

[0025] In one embodiment, as shown in Figure 2 and Figure 4 The slagging structure includes slagging opening 201 opened on the boss 102, and rotating column 204 is rotatably connected on the boss 102, and sealing plate 202 is connected on the rotating column 204, and the sealing plate 202 is tightly attached to the boss 102, and force rod 205 is connected on the lower end of the rotating column 204, and the rotating column 204 is driven to rotate by the force rod 205, and the sealing plate 202 on the rotating column 204 rotates synchronously with the rotating column 204, and the slagging hole 203 on the sealing plate 202 is aligned with the slagging opening 201, and the impurities accumulated on the boss 102 are discharged through the slagging opening 201 and the slagging hole 203.

[0026] In one embodiment, as shown in Figures 1-4As shown, the scraping structure comprises a transmission shaft 301 coaxially rotating through the rotating column 204, the transmission shaft 301 is connected with a scraper 302 at one end, the scraper 302 is in contact with the boss 102, the transmission shaft 301 is connected with a first gear 303 at the other end, the force rod 205 is provided with a scraping drive assembly for driving the transmission shaft 301 to rotate, the scraping drive assembly comprises a rack 304 slidingly arranged on the force rod 205 through a guide module, the rack 304 is engaged with the first gear 303, the force rod 205 is connected with a drive motor 306, the drive motor 306 is connected with a second gear 307 at the output end, the second gear 307 is engaged with the rack 304, the guide module comprises a sliding groove 305 opened on the force rod 205, a sliding block 308 is slidingly arranged in the sliding groove 305, the rack 304 is connected with the sliding block 308, the drive motor 306 drives the rack 304 to reciprocate, the rack 304 drives the rotating column 204 to move forward and backward in a circular manner through the first gear 303, and the impurities accumulated on the boss 102 are pushed into the slag discharge opening 201 to improve the slag discharge effect.

[0027] In one embodiment, as shown in Figure 4 As shown, the cleaning structure comprises a fixed frame 401 connected to the cover plate 104, a rotating shaft 402 is connected through the fixed frame 401, the rotating shaft 402 is coaxial with the input pipe 105, the rotating shaft 402 is connected with a fan blade 403 at one end, the rotating shaft 402 is connected with a cleaning module for cleaning the filter cartridge 103 at the side, the filter cartridge 103 is in the shape of a cylinder, the filter cartridge 103 is coaxial with the input pipe 105, the cleaning module comprises a connecting rod 404 connected to the rotating shaft 402, the connecting rod 404 is connected with a cleaning plate 405 at the end away from the rotating shaft 402, the cleaning plate 405 is in contact with the filter cartridge 103, the filter cartridge 103 is made of stainless steel, the polyester polyol flowing in the input pipe 105 drives the fan blade 403 to rotate when passing through the fan blade 403, the rotating shaft 402 rotates synchronously, the rotating shaft 402 drives the cleaning plate 405 to move in a circular manner through the connecting rod 404, and the filter cartridge 103 is cleaned to prevent the filter cartridge 103 from being blocked.

[0028] The above embodiment discloses a polyester polyol product filtering device, wherein the filter cartridge 103 filters the polyester polyol, and the impurities in the polyester polyol flowing in the input pipe 105 are attached to the filter cartridge 103; when the polyester polyol flowing in the input pipe 105 drives the fan blade 403 to rotate, the rotating shaft 402 rotates synchronously, the rotating shaft 402 drives the cleaning plate 405 to make a circular motion through the connecting rod 404, and the filter cartridge 103 is cleaned to prevent the filter cartridge 103 from being blocked; the impurities are finally accumulated on the boss 102; the blocking plate 202 on the rotating column 204 rotates synchronously with the rotating column 204; the slag outlet hole 203 on the blocking plate 202 is aligned with the slag outlet opening 201; the impurities accumulated on the boss 102 are discharged through the slag outlet opening 201 and the slag outlet hole 203; at the same time, the driving motor 306 drives the rack 304 to move back and forth through positive and negative rotation; the rack 304 drives the rotating column 204 to make a forward and reverse circular motion through the first gear 303, and the impurities accumulated on the boss 102 are pushed into the slag outlet opening 201 and discharged, so that the slag discharge effect is improved.

[0029] The above merely provides a specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A polyester polyol product filtration apparatus comprising a housing (101), characterised in that, The bottom of the shell (101) is provided with a boss (102), the boss (102) is provided with a slag discharge structure, the slag discharge structure is provided with a scraping structure for improving the slag discharge effect, the boss (102) is connected with a filter cartridge (103), the upper end of the shell (101) is connected with a cover plate (104), the cover plate (104) is provided with an input pipe (105) penetrating through, the lower end of the shell (101) is provided with an output pipe (106), and the cover plate (104) is provided with a cleaning structure for cleaning the filter cartridge (103).

2. A polyester polyol product filtration apparatus according to claim 1, wherein, The slag discharge structure comprises a slag discharge opening (201) formed in the boss (102), a rotating column (204) is rotatably connected to the boss (102) in penetration, and a blocking plate (202) is connected to the rotating column (204) in penetration.

3. A polyester polyol product filtration apparatus according to claim 2, wherein, The scraping structure comprises a transmission shaft (301) coaxially penetrating and arranged in the rotating column (204), one end of the transmission shaft (301) is connected with a scraper (302), the scraper (302) is in contact with the boss (102), the other end of the transmission shaft (301) is connected with a first gear (303), and the scraping drive assembly for driving the transmission shaft (301) to rotate is arranged on the force applying rod (205).

4. A polyester polyol product filtration apparatus according to claim 3, wherein, The scraping drive assembly comprises a rack (304) slidingly arranged on the force applying rod (205) through a guide module, the rack (304) is meshed with the first gear (303), a drive motor (306) is connected to the force applying rod (205), a second gear (307) is connected to the output end of the drive motor (306), and the second gear (307) is meshed with the rack (304).

5. A polyester polyol product filtration apparatus according to claim 4, wherein, The guide module comprises a sliding groove (305) formed in the force applying rod (205), a sliding block (308) is slidingly arranged in the sliding groove (305), and the rack (304) is connected to the sliding block (308).

6. The polyester polyol product filtration apparatus of claim 1, wherein, The cleaning structure comprises a fixing frame (401) connected to the cover plate (104), a rotating shaft (402) is rotatably connected to the fixing frame (401) in penetration, the rotating shaft (402) is coaxial with the input pipe (105), a fan blade (403) is connected to one end of the rotating shaft (402), and a cleaning module for cleaning the filter cartridge (103) is connected to the side of the rotating shaft (402).

7. A polyester polyol product filtration apparatus according to claim 6, wherein, The filter cartridge (103) is in a cylindrical shape, the filter cartridge (103) is coaxial with the input pipe (105), the cleaning module comprises a connecting rod (404) connected to the rotating shaft (402), a cleaning plate (405) is connected to the end of the connecting rod (404) away from the rotating shaft (402), and the cleaning plate (405) is in contact with the filter cartridge (103).

8. The polyester polyol product filtration apparatus of claim 1, wherein, The filter cartridge (103) is made of stainless steel.

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