Filter cake cleaning mechanism of plate and frame type filter

Abstract

The utility model relates to the technical field of plate-and-frame filters, in particular to a filter cake cleaning mechanism of a plate-and-frame filter, which comprises a filter shell and a support fixedly arranged at the bottom of the filter shell, a plurality of filter plates are fixedly arranged in the filter shell, and a motor is fixedly arranged at the upper end of the filter shell. The output end of the motor penetrates through the filter shell and then is fixedly provided with a rotating shaft, the rotating shaft sequentially penetrates through the multiple through holes, the shaft wall of the rotating shaft is provided with a scraping plate located on the upper side of the filter plate, one side of the upper end of the scraping plate is provided with an inclined plane, and the other side of the upper end of the scraping plate is provided with a collecting groove; a locking mechanism is arranged between the fixing plate and the collecting groove and comprises a rectangular rod, a rectangular hole is formed in the upper end of the fixing plate, and the rectangular rod is arranged in the rectangular hole in a sliding mode. According to the utility model, not only can the filter cake on the filter plate be scraped, but also the scraped filter cake can be collected, and the collected filter cake can be conveniently cleaned after the collection is finished.

Description

TECHNICAL FIELD

[0001] The utility model relates to plate and frame filter technical field, concretely to a kind of filter cake cleaning mechanism of plate and frame filter. BACKGROUND

[0002] Closed stack liquid plate and frame filter is composed of multiple filter plate frames and filter screen plates, the liquid to be filtered is pressurized by pump and enters the inside of filter from feed port, after accumulating certain flow, from the small hole on filter plate frame, then pass through filter medium (filter cloth) on screen plate, come out from the small hole on screen plate, product remains on filter screen plate, filtered liquid is discharged and then recycled, until filtered liquid is clear, stop circulation, then filter device can be disassembled, and product is collected.

[0003] In the prior art, after the filter cake on the filter plate is scraped by the scraper, the scraped filter cake is not easy to collect, the filter cake is easy to fall off the scraper again, and after collection is completed, the collected filter cake is not easy to clean, therefore, we provide a filter cake cleaning mechanism of plate and frame filter. SUMMARY

[0004] The utility model discloses a kind of filter cake cleaning mechanism of plate and frame filter, not only can the filter cake on the filter plate be scraped, but also the scraped filter cake can be collected, after collection is completed, the collected filter cake can be cleaned, to solve the problem proposed in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of filter cake cleaning mechanism of plate and frame filter, including filter housing and the support fixedly arranged at the bottom of filter housing, the inside of filter housing is fixed with multiple filter plates, motor is fixedly arranged on the upper end of filter housing, the output end of motor is fixed with shaft after penetrating to filter housing, the shaft passes through multiple through holes in turn, the shaft wall of the shaft is located at the upper side of filter plate and is equipped with scraper, the upper end of scraper is equipped with inclined plane on one side, the upper end of scraper is equipped with collection groove on the other side, the shaft wall of the shaft is fixed with fixed plate at the upper side of scraper, locking mechanism is arranged between fixed plate and collection groove.

[0007] As a further scheme of the utility model, the locking mechanism includes rectangular rod, the upper end of fixed plate is equipped with rectangular hole, the rectangular rod is slidably arranged in rectangular hole, the lower end of rectangular rod is clamped with the groove wall of collection groove, the rod wall of rectangular rod is equipped with strip hole, fixed rod is slidably arranged in the upper side of strip hole, the both ends of fixed rod are fixedly connected with the hole wall of rectangular hole, spring is fixedly arranged at the lower end of fixed rod.

[0008] As a further scheme of the utility model, the rectangular rod upper end is fixedly provided with a pull ring.

[0009] As a further scheme of the utility model, the spring is always in compression state.

[0010] As a further scheme of the utility model, the filter shell upper end is provided with a liquid inlet pipe.

[0011] As a further scheme of the utility model, the filter shell lower end is provided with a liquid outlet pipe.

[0012] As a further scheme of the utility model, the filter shell side wall is provided with a cleaning port, and the cleaning port is provided with a cover plate.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The filter cake cleaning mechanism of the plate-and-frame filter, through the filter shell, motor, liquid inlet pipe, cover plate, support, liquid outlet pipe, filter plate, pull ring, rotating shaft, fixed rod, fixed plate, scraper, spring, collecting groove and rectangular rod, the motor is started, the output end of the motor drives the rotating shaft to rotate, the rotating shaft drives the fixed plate to rotate, the fixed plate and the locking mechanism drive the scraper to rotate on the filter plate, the scraper lifts the filter cake on the filter plate and falls into the collecting groove, when the filter cake collected in the collecting groove on the scraper is too much and needs to be cleaned, the cover plate is opened, the pull ring is pulled upward, the pull ring drives the rectangular rod to extrude the spring and move to the rectangular hole, at this time, the rectangular rod is no longer clamped with the groove wall of the rectangular groove, the scraper can be taken out from the fixed plate through the cleaning port, and the filter cake in the cleaning port can be cleaned, the filter cake on the filter plate can be scraped, the scraped filter cake can be collected, and the collected filter cake can be cleaned after collection. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the filter cake cleaning mechanism of a plate-and-frame filter.

[0016] Figure 2 It is an internal structure schematic view of the filter cake cleaning mechanism of a plate-and-frame filter.

[0017] Figure 3 It is Figure 2 It is an enlarged schematic view of part A.

[0018] In the figure: 1, filter shell; 2, motor; 3, liquid inlet pipe; 4, cover plate; 5, support; 6, liquid outlet pipe; 7, filter plate; 8, pull ring; 9, rotating shaft; 10, fixed rod; 11, fixed plate; 12, scraper; 13, spring; 14, collecting groove; 15, rectangular rod. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0020] Please refer to Figures 1 to 3 The present application provides a technical scheme:

[0021] A filter cake cleaning mechanism of a plate-and-frame filter, comprising a filter housing 1 and a support 5 fixedly arranged at the bottom of the filter housing 1, a plurality of filter plates 7 fixedly arranged inside the filter housing 1, a motor 2 fixedly arranged at the upper end of the filter housing 1, a rotating shaft 9 fixedly arranged at the output end of the motor 2 and penetrating through the filter housing 1, the rotating shaft 9 sequentially penetrating through a plurality of through holes, a scraper 12 arranged at the upper side of the filter plate 7, an inclined surface arranged at one side of the upper end of the scraper 12, a collecting groove 14 arranged at the other side of the upper end of the scraper 12, a fixed plate 11 fixedly arranged at the upper side of the scraper 12, and a locking mechanism arranged between the fixed plate 11 and the collecting groove 14.

[0022] The locking mechanism comprises a rectangular rod 15, a rectangular hole arranged at the upper end of the fixed plate 11, the rectangular rod 15 being slidingly arranged in the rectangular hole, the lower end of the rectangular rod 15 being clamped with the groove wall of the collecting groove 14, a strip-shaped hole arranged at the rod wall of the rectangular rod 15, a fixed rod 10 slidingly arranged at the upper side of the strip-shaped hole, both ends of the fixed rod 10 being fixedly connected with the hole wall of the rectangular hole, a spring 13 fixedly arranged at the lower end of the fixed rod 10, and the spring 13 being always in a compressed state.

[0023] Referring to Figure 3 A pull ring 8 is fixedly arranged at the upper end of the rectangular rod 15, and the pull ring 8 facilitates upward pulling of the rectangular rod 15.

[0024] Referring to Figure 1 and Figure 2 An inlet pipe 3 is arranged at the upper end of the filter housing 1, and unfiltered liquid can be poured into the filter housing 1 through the inlet pipe 3.

[0025] Referring to Figure 1 and Figure 2 An outlet pipe 6 is arranged at the lower end of the filter housing 1, and filtered liquid can be discharged through the outlet pipe 6.

[0026] Referring to Figure 1 A cleaning port is arranged at the side wall of the filter housing 1, a cover plate 4 is arranged at the cleaning port, and the cover plate 4 can facilitate taking out of the scraper 12 and pouring out of the collected filter cake after being opened.

[0027] In use, the motor 2 is started, the output end of the motor 2 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the fixed plate 11 to rotate, the fixed plate 11 and the locking mechanism drive the scraper 12 to rotate on the filter plate 7, the scraper 12 lifts the filter cake on the filter plate 7 and falls into the collecting groove 14, when the filter cake collected in the collecting groove 14 on the scraper 12 is too much and needs to be cleaned, the cover plate 4 is opened, the pull ring 8 is pulled upward, the pull ring 8 drives the rectangular rod 15 to press the spring 13 and moves to the rectangular hole, at this time the rectangular rod 15 is no longer clamped with the slot wall of the rectangular slot, the scraper 12 can be taken out from the fixed plate 12 for cleaning, and the filter cake in the cleaning port can be cleaned, not only the filter cake on the filter plate 7 can be scraped, but also the scraped filter cake can be collected, and after the collection is completed, the collected filter cake can be conveniently cleaned.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A filter cake cleaning mechanism for a plate and frame filter, comprising a filter housing (1) and a bracket (5) fixedly disposed at the bottom of the filter housing (1), characterized in that: Multiple filter plates (7) are fixedly installed inside the filter housing (1). A motor (2) is fixedly installed at the upper end of the filter housing (1). The output end of the motor (2) passes through the filter housing (1) and is fixedly installed with a rotating shaft (9). The rotating shaft (9) passes through multiple through holes in sequence. A scraper (12) is provided on the shaft wall of the rotating shaft (9) above the filter plate (7). A slope is provided on one side of the upper end of the scraper (12). A collection groove (14) is provided on the other side of the upper end of the scraper (12). A fixing plate (11) is fixedly installed on the shaft wall of the rotating shaft (9) above the scraper (12). A locking mechanism is provided between the fixing plate (11) and the collection groove (14).

2. The filter cake cleaning mechanism of a plate and frame filter according to claim 1, characterized in that: The locking mechanism includes a rectangular rod (15), the upper end of the fixing plate (11) is provided with a rectangular hole, the rectangular rod (15) is slidably disposed in the rectangular hole, the lower end of the rectangular rod (15) is engaged with the wall of the collection groove (14), the rod wall of the rectangular rod (15) is provided with a strip hole, a fixing rod (10) is slidably disposed on the upper side of the strip hole, both ends of the fixing rod (10) are fixedly connected to the hole wall of the rectangular hole, and a spring (13) is fixedly disposed at the lower end of the fixing rod (10).

3. The filter cake cleaning mechanism of a plate and frame filter according to claim 2, characterized in that: A pull ring (8) is fixedly provided at the upper end of the rectangular rod (15).

4. The filter cake cleaning mechanism of a plate and frame filter according to claim 3, characterized in that: The spring (13) is always in a compressed state.

5. The filter cake cleaning mechanism of a plate and frame filter according to claim 4, characterized in that: The filter housing (1) is provided with an inlet pipe (3) at the upper end.

6. The filter cake cleaning mechanism of a plate and frame filter according to claim 5, characterized in that: The filter housing (1) is provided with an outlet pipe (6) at the lower end.

7. The filter cake cleaning mechanism of a plate and frame filter according to claim 6, characterized in that: The filter housing (1) has a cleaning port on its side wall, and the cleaning port is provided with a cover plate (4).

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