CN215538702U - Quick automatic filter cloth washs pressure filter - Google Patents

Abstract

The utility model relates to a rapid automatic filter cloth cleaning filter press, which comprises a plurality of filter plates, wherein a cleaning support is arranged above the plurality of filter plates in a lifting way, the middle parts of a left hanging rod and a right hanging rod are respectively hinged on two side beams, the lower parts of the left hanging rod and the right hanging rod can horizontally and rotatably penetrate through a scraping shaft, a residue scraping roller is sleeved on the scraping shaft, and spring furling devices are respectively arranged between the upper parts of the two left hanging rods of a front cleaning frame and the upper parts of the two right hanging rods of a rear cleaning frame, which exceed the side beams, and between the upper parts of the two right hanging rods, which exceed the side beams. This pressure filter draws in device in through the spring and draws in back mutually and draws in the sediment roller of scraping of its lower part in the decline of preceding, back wash rack when scraping the filter cloth, effectively clears away because of the problem that strike off filter cake inefficiency, cleaning efficiency difference that filter plate, filter cloth indent caused.

Description

Quick automatic filter cloth washs pressure filter

Technical Field

The utility model relates to a filter press, in particular to a rapid automatic filter cloth cleaning filter press.

Background

The filter cloth of traditional pressure filter still glues to have partial filter cake after unloading, and the scraper blade that adopts upper portion to go up and down generally strikes off the washing from top to bottom to combine upper portion water spray washing down, nevertheless because the filter pressing face of filter plate is the indent structure usually, directly scrapes down after the filter cloth is unloaded, and the filter cloth is easily pressed in the indent structure, and the effect of scraping of filter cake is relatively poor, directly influences the effective washing of filter cloth.

Disclosure of Invention

The utility model provides a rapid automatic filter cloth cleaning filter press which can effectively improve the slag scraping and cleaning efficiency and effect of filter cloth.

The technical scheme adopted by the utility model is as follows: the utility model provides a quick automatic filter cloth washs pressure filter, includes a plurality of filter plates, and a plurality of filter plates crimping in proper order forms filter pressing chamber, its characterized in that each other: the cleaning device comprises a front cleaning frame and a rear cleaning frame, the front cleaning frame and the rear cleaning frame are in the same structure and respectively comprise a left hanging rod and a right hanging rod, the middle parts of the left hanging rod and the right hanging rod are respectively hinged on the two side beams, the lower parts of the left hanging rod and the right hanging rod are horizontally and rotatably connected with a scraping shaft in a penetrating way, a slag scraping roller is sleeved on the scraping shaft, a spring furling device is respectively arranged between the upper parts of the side beams, which are exceeded by the two left hanging rods of the front cleaning frame and the rear cleaning frame, and between the upper parts of the side beams, which are exceeded by the two right hanging rods, the spring furling device comprises a spring seat, a spring guide rod, a front spring, a rear spring, a front spring block, a rear spring block, a left driving screw rod, a right driving screw rod and a driving motor, the spring seat is arranged on the side beams at the middle positions of the front cleaning frame and the rear cleaning frame, and the spring guide rod is penetrated in the middle part of the spring seat, the front end and the rear end of the spring guide rod are flush with the thickness of the filter plate, the spring guide rod is slidably connected with the front spring block and the rear spring block which are positioned in front of and behind the spring seat in a penetrating manner, the front spring block and the rear spring block are respectively connected with the front spring and the rear spring forwards and backwards, the front spring and the rear spring are parallel and level with the front end and the rear end of the filter plate before and after the non-stressed state of the front spring and the rear spring, the left side and the right side of the lower end of the front spring block and the rear spring block are respectively connected on the left driving screw rod and the right driving screw rod in a penetrating manner, the left driving screw rod and the right driving screw rod penetrate through the spring seat in a clearance manner, the screw threads on the two sides of the spring seat are opposite in rotating direction, and any end of the left driving screw rod and the right driving screw rod is connected with the driving motor.

Furthermore, the scraper device also comprises a water spraying pipe, wherein the water spraying pipe is parallel to and/or parallel to and higher than the scraping shaft and is connected between the left hanging rod and the right hanging rod, and water spraying holes facing the inner side or the inner lower side are arranged on the water spraying pipe.

Furthermore, a plurality of rubber bumps are uniformly distributed or staggered at intervals on the slag scraping roller.

Furthermore, the device also comprises an air injection pipe, wherein the air injection pipe is parallel to and lower than the scraping shaft and is connected between the left hanging rod and the right hanging rod, and the air injection pipe is provided with an inward or inward lower side air injection hole.

After filter pressing is completed, filter cakes on filter cloth need to be removed and cleaned after a filter plate is opened, a cleaning support drives a cleaning device to descend, scrape and clean corresponding to each filter plate, when the condition that slag scraping rollers at the lower parts of front hanging rods and rear hanging rods of the cleaning device are attached to two side surfaces of the filter plate is monitored, a driving motor drives a left driving screw rod and a right driving screw rod, the left driving screw rod and the right driving screw rod drive front spring blocks and rear spring blocks to move outwards along spring guide rods in a back-to-back mode, the front spring and the rear spring are extruded and act between the two left hanging rods or the two right hanging rods of a front cleaning frame and a rear cleaning frame, the two left hanging rods or the two right hanging rods are hinged with an edge beam to rotate outwards, so that the slag scraping rollers at the lower parts of the front cleaning frame and the rear cleaning frame are folded inwards, the slag scraping rollers can elastically abut against the filter cloth along with the concave structure of the filter plate to descend, filter cakes are scraped, and protruding points on the air injection pipe below the slag scraping rollers and rubber patterns on the slag scraping rollers can loosen the filter cakes, the scraping efficiency and effect are improved conveniently; after the filter cake is scraped, when the cleaning support ascends, the filter cloth is cleaned by spraying water through the water spraying pipe, the operation of scraping the filter cake and cleaning the filter cloth can be completed in one lifting stroke, and the operation efficiency is further improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of FIG. 1;

fig. 3 is an enlarged schematic view of the spring furling device in fig. 1.

In the figure: the cleaning device comprises a filter plate 1, filter cloth 2, a cleaning support 3, a side beam 4, a front cleaning frame 5, a rear cleaning frame 6, a left hanging rod 7, a right hanging rod 8, a scraping shaft 9, a scraping roller 10, a spring seat 11, a spring guide rod 12, a front spring 13, a rear spring 14, a front spring block 15, a rear spring block 16, a driving screw rod 17, a driving motor 18, an air ejector pipe 19 and a water spray pipe 20.

Detailed Description

The following is further described with reference to the accompanying drawings.

Shown in FIGS. 1 and 2: a filter press capable of cleaning filter cloth quickly and automatically comprises a plurality of filter plates 1, wherein a filter pressing cavity is formed between every two filter plates which are connected in a left-right pressing mode through the connection of a left filter cloth 2 and a right filter cloth 2 in a pressing mode, and filter cakes on the filter cloth 2 need to be scraped and cleaned after the filter plates are opened. A liftable cleaning support 3 is erected above a plurality of filter plates, a plurality of cleaning devices corresponding to each filter plate are hung below two side beams on the outer side of the cleaning support along the compression joint direction of the filter plates, the cleaning devices comprise a front cleaning support 5 and a rear cleaning support 6, the front cleaning support and the rear cleaning support are identical in structure and respectively comprise a left hanging rod 7 and a right hanging rod 8, the middle parts of the left hanging rod and the right hanging rod are respectively hinged on the two side beams 4 of the cleaning support 3, the lower parts of the left hanging rod and the right hanging rod can horizontally rotate to penetrate through a scraping shaft 9, the scraping shaft is sleeved with a slag scraping roller 10, the lower part of the slag scraping roller 10 is also provided with an air ejector pipe 19 and a water ejector pipe 20 which are penetrated on the left hanging rod piece and the right hanging rod piece, the water ejector pipe is provided with water spray holes facing the inner side or the inner lower side, and the air spray holes facing the inner side or the inner lower side are arranged on the air ejector pipe; spring furling devices are respectively arranged between the two left hanging rods of the front cleaning frame and the two right hanging rods of the rear cleaning frame, which exceed the upper parts of the boundary beams, and comprise spring seats 11, spring guide rods 12, front springs 13, rear springs 14, front spring blocks 15, rear spring blocks 16, driving screw rods 17 and driving motors 18, the spring seats 11 are erected on the boundary beams 4 at the middle positions of the front cleaning frame and the rear cleaning frame, the spring guide rods 12 are connected in the middle parts of the spring seats in a penetrating manner, the front ends and the rear ends of the spring guide rods are flush with the thickness of the filter plate, the front spring blocks and the rear spring blocks 15 and 16 positioned in front of and behind the spring seats are connected in a sliding manner on the spring guide rods, the front spring blocks and the rear spring blocks are respectively connected in front of and behind with the front springs 13 and the rear springs 14, the front ends and the rear ends of the front springs are flush with the front side and the rear side of the filter plate, the left side and the right side of the lower ends of the spring blocks are connected in a penetrating manner on the left driving screw rods 17 and the right side of the spring seats, screw rods pass through gaps of the spring seats, and the screw threads on the two sides of the spring seats are opposite in the opposite directions, either end of the left and right driving screw rods is driven by a driving motor 18 to rotate synchronously through a driving chain wheel set.

In the above embodiment, a plurality of rubber bumps can be uniformly distributed or staggered at intervals on the residue scraping roller for improving the scraping effect on the press-connected filter cake.

Claims (4)

1. The utility model provides a quick automatic filter cloth washs pressure filter, includes a plurality of filter plates, and a plurality of filter plates crimping in proper order forms filter pressing chamber, its characterized in that each other: the cleaning device comprises a front cleaning frame and a rear cleaning frame, the front cleaning frame and the rear cleaning frame are in the same structure and respectively comprise a left hanging rod and a right hanging rod, the middle parts of the left hanging rod and the right hanging rod are respectively hinged on the two side beams, the lower parts of the left hanging rod and the right hanging rod are horizontally and rotatably connected with a scraping shaft in a penetrating way, a slag scraping roller is sleeved on the scraping shaft, a spring furling device is respectively arranged between the upper parts of the side beams, which are exceeded by the two left hanging rods of the front cleaning frame and the rear cleaning frame, and between the upper parts of the side beams, which are exceeded by the two right hanging rods, the spring furling device comprises a spring seat, a spring guide rod, a front spring, a rear spring, a front spring block, a rear spring block, a left driving screw rod, a right driving screw rod and a driving motor, the spring seat is arranged on the side beams at the middle positions of the front cleaning frame and the rear cleaning frame, and the spring guide rod is penetrated in the middle part of the spring seat, the front end and the rear end of the spring guide rod are flush with the thickness of the filter plate, the spring guide rod is slidably connected with the front spring block and the rear spring block which are positioned in front of and behind the spring seat in a penetrating manner, the front spring block and the rear spring block are respectively connected with the front spring and the rear spring forwards and backwards, the front spring and the rear spring are parallel and level with the front end and the rear end of the filter plate before and after the non-stressed state of the front spring and the rear spring, the left side and the right side of the lower end of the front spring block and the rear spring block are respectively connected on the left driving screw rod and the right driving screw rod in a penetrating manner, the left driving screw rod and the right driving screw rod penetrate through the spring seat in a clearance manner, the screw threads on the two sides of the spring seat are opposite in rotating direction, and any end of the left driving screw rod and the right driving screw rod is connected with the driving motor.

2. The rapid automatic filter cloth cleaning filter press according to claim 1, wherein: the scraper device is characterized by further comprising a water spraying pipe, wherein the water spraying pipe is parallel to and/or parallel to and higher than the scraping shaft and is connected between the left hanging rod and the right hanging rod, and water spraying holes facing the inner side or the inner lower side are formed in the water spraying pipe.

3. The rapid automatic filter cloth cleaning filter press according to claim 1, wherein: and a plurality of rubber convex points are uniformly distributed or staggered at intervals on the slag scraping roller.

4. The rapid automatic filter cloth cleaning filter press according to claim 1, wherein: the air injection pipe is parallel to the scraping shaft and connected between the left hanging rod and the right hanging rod, and the air injection pipe is provided with an inward or inward lower side air injection hole.

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