CN213159536U - High-pressure diaphragm filter press - Google Patents

Abstract

The utility model relates to a high-pressure membrane filter press, which relates to the technical field of filter presses and aims to solve the technical problems that part of filtrate filtered by the existing filter press can not be stably discharged and is not beneficial to clean production; the filter press comprises a frame, wherein a filter press body for realizing solid-liquid separation is arranged above the frame; the two sides of the frame and the lower part of the filter press body are respectively and rotatably connected with a rotating rod, one rotating rod is provided with a first bearing plate, and the other rotating rod is provided with a second bearing plate; the frame is provided with hydraulic oil cylinders which are respectively used for driving the two rotating rods to rotate; the upper surfaces of the first bearing plate and the second bearing plate, which are close to the rotating rod direction, are respectively provided with a liquid discharge groove, and the end walls of the first bearing plate and the second bearing plate, which are close to the liquid discharge groove, are respectively provided with a liquid discharge hole in a penetrating way; the utility model discloses have and to discharge steadily from the filtrating that drips between the adjacent filter plate, realize cleaner production's effect.

Description

High-pressure diaphragm filter press

Technical Field

The utility model belongs to the technical field of the pressure filter technique and specifically relates to a high pressure membrane pressure filter is related to.

Background

The filter press is the main filtering equipment for sludge dewatering, wherein the diaphragm filter press is a filter press which is formed by additionally arranging a layer of elastic membrane between a filter plate and filter cloth, and in the using process, after feeding is finished, high-pressure fluid or gas medium is injected into the diaphragm plate, and the whole diaphragm can be bulged to press a filter cake, so that the further dewatering of the filter cake is realized, namely squeezing and filtering.

The prior Chinese patent with the publication number of CN207101992U discloses a high-pressure polypropylene diaphragm filter press, which comprises a cross beam, wherein an anti-thrust, a filter plate, a pressure plate and a hydraulic cylinder seat are fixedly arranged on the cross beam, filter cloth is arranged on the filter plate, a layer of elastic diaphragm plate is additionally arranged between the filter cloth and the filter plate, and a hydraulic cylinder is hinged on the cross beam; when a certain number of filter plates are tightly arranged in a row under the action of strong mechanical force, a filter chamber is formed between two adjacent filter plate surfaces, a filter material is sent into the filter chamber under the action of high pressure, a solid part of the filter material entering the filter chamber is intercepted by filter cloth to form a filter cake, and a liquid part permeates the filter cloth and is discharged out of the filter chamber; along with the increase of the positive pressure intensity, the compression medium enters the back of the elastic membrane diaphragm to push the extrusion membrane to further dehydrate the extrusion filter cake, and the solid-liquid separation is realized.

The above prior art solutions have the following drawbacks: the above-mentioned material to be filtered can have the condition that partial filtrating drips from between the adjacent filter plate in the in-process that receives adjacent filter plate extrusion to lead to the unable complete stable discharge of filtrating, be unfavorable for cleaner production, so wait to improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high pressure membrane filter press, it has can be with stably discharging from the filtrating that drips between the adjacent filter plate, realizes cleaner production's advantage to prior art exists not enough.

A high-pressure diaphragm filter press comprises a frame, wherein a filter press body for realizing solid-liquid separation is arranged above the frame; rotating rods are respectively rotatably connected to the two sides of the frame and below the filter press body, a first bearing plate is arranged on one rotating rod, and a second bearing plate is arranged on the other rotating rod; the frame is provided with hydraulic oil cylinders which are respectively used for driving the two rotating rods to rotate; the first board and the second of accepting is provided with the flowing back groove respectively near the upper surface of dwang direction, first board and the second of accepting is run through respectively on the end wall that the board is close to flowing back groove department and is provided with the outage.

By adopting the technical scheme, when materials are pressurized through the filter pressing body, the rotating rod connected with the first bearing plate is driven to rotate through the hydraulic oil cylinder, at the moment, the first bearing plate is overturned to the position above the abdicating cavity under the driving of the rotating rod at the corresponding position, and one side of the first bearing plate, which is far away from the abdicating cavity, is obliquely arranged upwards; then, the second bearing plate is turned over through the hydraulic oil cylinder, so that the second bearing plate is attached to the lower surface of the second bearing plate; when the filtrating drips downwards, the first receiving plate and the second receiving plate which are obliquely arranged drain the filtrating into the liquid discharge tank and then discharge the filtrating from the liquid discharge hole, so as to realize the clean production.

Furthermore, the upper surfaces of the first bearing plate and the second bearing plate are respectively provided with a flow guide groove along the width direction.

Through adopting above-mentioned technical scheme, the flow direction of filtrating has been restricted in setting up of water conservancy diversion slot to make filtrating can follow water conservancy diversion slot and stably flow to the outage and discharge from the outage.

Furthermore, one ends of the first bearing plate and the second bearing plate, which are far away from the direction of the liquid discharge hole, are provided with scrapers, and the scrapers are positioned in the liquid discharge grooves at corresponding positions; the lower surfaces of the two liquid discharge grooves, which are close to the liquid discharge holes at the corresponding positions, are provided with cleaning openings in a penetrating manner, and cleaning door plates for closing the cleaning openings are arranged at the cleaning openings; and driving parts for driving the scraper to move along the length direction of the liquid discharge tank are arranged on the outer side walls of the first bearing plate and the second bearing plate.

Through adopting above-mentioned technical scheme, the dirt can appear at its tank bottom of flowing back groove after long-term the use to influence the quick discharge of follow-up filtrating, can open clean mouthful earlier this moment, the rethread driving piece removes the scraper blade along the length direction of flowing back groove, scrapes the dirt of flowing back groove diapire through the scraper blade, and discharge the dirt from clean mouthful department, thereby realize the clearance to flowing back groove diapire dirt, further realize clean production.

Further, the lower surface of the scraper is provided with a wear-resistant layer.

Through adopting above-mentioned technical scheme, the setting of wearing layer can improve the wear resistance of scraper blade, reduces the wearing and tearing that produce when the flowing back groove is scraped to the scraper blade lower surface, prolongs the life of scraper blade.

Further, the scraping plate comprises a fixed frame plate and a cleaning plate inserted in the fixed frame plate, and the wear-resistant layer is positioned on the lower surface of the cleaning plate; and the side wall of the cleaning plate is in threaded connection with a locking bolt for fixedly inserting the cleaning plate into the fixed frame plate.

Through adopting above-mentioned technical scheme, set up to detachable connected mode so that change the cleaning plate under the condition of wearing layer serious wearing and tearing through with the cleaning plate in fixed deckle board, guarantee the scraping effect of cleaning plate to the flowing back groove.

Further, two slide respectively on the clean mouth inside wall and be connected with the butt joint brush board, butt joint brush board top is provided with the cleaning brush, the cleaning plate first accept the board and the second accept the lower surface rotation that the board is close to the clean mouth department that corresponds the position and be connected with the limit baffle who is used for fixed cleaning brush board position.

Through adopting above-mentioned technical scheme, will clean the brush board and shift up along clean mouthful direction of height to through the fixed position of butt joint brush board of limit baffle, clean brush upper end this moment is located clean inslot portion, and when the cleaning board removed to clean mouthful department, clean brush scraped the cleaning board lower surface, strikes off the dirt of adhesion at the cleaning board lower surface, keeps the cleanness of cleaning board lower surface.

Further, the inner side wall of the cleaning port is provided with a sliding groove for the butt joint brush plate to be inserted and arranged, the side wall of the butt joint brush plate is provided with a sliding block sliding along the length direction of the sliding groove, the bottom wall of the sliding groove is provided with a spring, and one end of the spring, which is far away from the bottom wall direction of the sliding groove, is fixedly connected to the sliding block.

Through adopting above-mentioned technical scheme, when the butt joint brush board shifts up and when fixing the position of sliding through limit baffle, the spring is in the extension state, and when limit baffle breaks away from butt joint brush board, the spring kick-backs and drives the butt joint brush board and shake from top to bottom to shake off the dirt of clean brush surface.

Further, the cleaning door plate is fixedly covered above the cleaning opening through bolts, a sealing ring is arranged on the outer side wall, close to the cleaning opening, of the cleaning door plate along the circumferential direction of the cleaning door plate, and the outer side wall of the sealing ring is attached to the inner side wall of the cleaning opening.

Through adopting above-mentioned technical scheme, the setting of sealing ring has improved the leakproofness of clean door plant in clean mouthful seam crossing to make the stable discharge of filtrate can follow drain hole.

To sum up, the utility model discloses a beneficial technological effect does:

1. when materials are pressurized through the filter pressing body, the rotating rod connected with the first bearing plate is driven to rotate through the hydraulic oil cylinder, at the moment, the first bearing plate is driven to overturn to the position above the abdicating cavity under the driving of the rotating rod at the corresponding position, and one side of the first bearing plate, which is far away from the abdicating cavity, is obliquely arranged upwards; then, the second bearing plate is turned over through the hydraulic oil cylinder, so that the second bearing plate is attached to the lower surface of the second bearing plate; when filtrate drops downwards, the first bearing plate and the second bearing plate which are obliquely arranged drain the filtrate into the liquid discharge tank and then discharge the filtrate from the liquid discharge hole to realize clean production;

2. dirt can appear at its tank bottom of flowing back groove after long-term the use to influence the quick discharge of follow-up filtrating, can open clean mouthful earlier this moment, the rethread driving piece removes the scraper blade along the length direction of flowing back groove, scrapes the dirt of flowing back groove diapire through the scraper blade, and discharge the dirt from clean mouthful department, thereby realize the clearance to flowing back groove diapire dirt, further realize cleaner production.

Drawings

FIG. 1 is a schematic structural view of a high-pressure membrane filter press according to an embodiment;

FIG. 2 is an enlarged view of a portion A of the structure shown in FIG. 1;

FIG. 3 is a partial schematic view showing a positional relationship between the squeegee and the cleaning tank in the embodiment;

fig. 4 is a sectional view showing a positional relationship between the cleaning brush and the cleaning port in the embodiment.

In the figure: 1. a frame; 11. a filter press body; 12. a fixing ring; 121. rotating the rod; 1211. a hydraulic cylinder; 13. a first bearing plate; 14. a second bearing plate; 141. a flow guide groove; 142. a liquid discharge tank; 143. a drain hole; 144. cleaning the mouth; 1441. cleaning the door panel; 1442. sealing the ring; 1443. a sliding groove; 145. butting the brush plates; 1451. a sliding block; 1452. a spring; 1453. cleaning the brush; 1454. a limit baffle; 2. a squeegee; 21. fixing the frame plate; 211. a locking hole; 22. cleaning the plate; 221. a wear layer; 222. locking the bolt; 3. a drive member; 31. a motor; 32. and a screw rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a high-pressure membrane filter press disclosed by the utility model comprises a frame 1, a filter press body 11 for realizing solid-liquid separation is fixedly installed above the frame 1, fixing rings 12 are respectively fixedly welded on the outer side wall of the frame 1 and positioned at two ends of the frame, a rotating rod 121 is commonly inserted between the two fixing rings 12 positioned on the same side of the frame 1, a first bearing plate 13 is fixedly welded on the outer side wall of one rotating rod 121, and a second bearing plate 14 is fixedly welded on the outer side wall of the other rotating rod 121; one end of the frame 1 is fixed with two hydraulic oil cylinders 1211 through bolts, piston rods of the two hydraulic oil cylinders 1211 are respectively hinged to the outer side walls of the rotating rods 121 at corresponding positions to be used for driving the rotating rods 121 at corresponding positions to rotate circumferentially, so that the first bearing plate 13 and the second bearing plate 14 are driven by the rotating rods 121 at corresponding positions to be turned over to the lower side of the filter press body 11, one sides of the first bearing plate 13 and the second bearing plate 14 far away from the rotating rods 121 at corresponding positions are both arranged in an upward inclined manner, and the first bearing plate 13 is located above the second bearing plate 14.

Referring to fig. 1 and 2, a plurality of flow guide grooves 141 are formed in the upper surfaces of the first receiving plate 13 and the second receiving plate 14 along the width direction of the upper surfaces, liquid discharge grooves 142 are formed in the upper surfaces, close to the rotating rods 121 at the corresponding positions, of the first receiving plate 13 and the second receiving plate 14, and liquid discharge holes 143 penetrate through the end walls, close to the liquid discharge grooves 142 at the corresponding positions, of the first receiving plate 13 and the second receiving plate 14; the part of the filtrate squeezed and filtered by the filter press body 11 drops downward onto the first receiving plate 13 or the second receiving plate 14, flows into the drainage groove 142 under the guide of the guide grooves 141, and is discharged from the drainage hole 143.

Referring to fig. 1 and 3, a scraper 2 is inserted into the liquid discharge groove 142, the scraper 2 includes a fixed frame plate 21 and a cleaning plate 22 inserted into the fixed frame plate 21, a locking bolt 222 is connected to an outer side wall of the cleaning plate 22 in a threaded manner, and a locking hole 211 fixedly inserted by the locking bolt 222 is formed in a side wall of the fixed frame plate 21; a wear-resistant layer 221 made of steel is fixedly welded on the lower surface of the cleaning plate 22, and the wear-resistant layer 221 is attached to the bottom wall of the liquid discharge groove 142; one end of the fixed frame plate 21 in the direction away from the cleaning plate 22 is located outside the liquid discharge tank 142, and the driving members 3 for driving the scraper 2 to move in the longitudinal direction of the liquid discharge tank 142 are mounted on the outer side walls of the liquid discharge tank 142 at the positions corresponding to the first receiving plate 13 and the second receiving plate 14.

Referring to fig. 2 and 3, the driving member 3 includes a motor 31 and a screw rod 32 fixedly welded to a driving shaft of the motor 31, and the fixed frame plate 21 is threadedly connected to an outer side wall of the screw rod 32 at a corresponding position; a cleaning opening 144 is formed in the bottom wall of the liquid discharge groove 142 close to the liquid discharge hole 143 in a penetrating mode, and in the process that the motor 31 drives the screw rod 32 to rotate, the scraping plate 2 scrapes dirt on the bottom wall of the liquid discharge groove 142 and discharges the dirt from the cleaning opening 144, so that the bottom wall of the liquid discharge groove 142 is cleaned.

Referring to fig. 2 and 3, a cleaning door plate 1441 is arranged at a position, close to the cleaning opening 144, of the liquid discharge groove 142, the cleaning door plate 1441 is fixedly connected to the inner side wall of the liquid discharge groove 142 through bolts, a sealing ring 1442 made of rubber is fixedly adhered to the outer side wall, close to the cleaning opening 144, of the cleaning door plate 1441 along the circumferential direction, the outer side wall of the sealing ring 1442 is tightly attached to the inner side wall of the cleaning opening 144, and when the bottom wall of the liquid discharge groove 142 does not need to be cleaned, the cleaning door plate 1441 is sealed and covered at the cleaning.

Referring to fig. 3 and 4, a sliding groove 1443 is formed in the inner side wall of the cleaning opening 144, the abutting brush plate 145 is connected to the sliding groove 1443 in a sliding manner, a sliding block 1451 is fixedly welded to the side wall of the abutting brush plate 145 facing the direction of the sliding groove 1443, and the sliding block 1451 is inserted into the sliding groove 1443; a cleaning brush 1453 is fixedly adhered to the upper surface of the butt brush plate 145.

Referring to fig. 3 and 4, a spring 1452 is welded between the sliding block 1451 and the bottom wall of the sliding groove 1443, when the spring 1452 is in an initial state, the upper end of the cleaning brush 1453 is located in the cleaning opening 144, and the lower surfaces of the first receiving plate 13 (see fig. 1) and the second receiving plate 14, which are close to the cleaning opening 144 at the corresponding positions, are rotatably connected with a limit baffle 1454 through a rotating shaft; the sliding block 1451 is moved upwards along the height direction of the sliding groove 1443, the spring 1452 is stretched at the moment, then the limit baffle 1454 is rotated along the circumferential direction of the rotating shaft to the position below the cleaning opening 144, the limit baffle 1454 abuts against the lower surface of the butt brush plate 145, the upper end of the cleaning brush 1453 is positioned above the cleaning opening 144 at the moment, and when the scraper 2 passes through the cleaning brush 1453, the cleaning brush 1453 can scrape off dirt on the lower surface of the wear-resistant layer 221; when the supporting force of the limit baffle 1454 to the docking brush plate 145 is removed, the spring 1452 drives the docking brush plate 145 to shake up and down to shake off dirt adhered to the outer surface of the cleaning brush 1453.

The implementation principle of the embodiment is as follows: the two hydraulic oil cylinders 1211 respectively drive the rotating rods 121 at corresponding positions to rotate, so that the first bearing plate 13 and the second bearing plate 14 are obliquely arranged below the filter press body 11; the filtrate generated by the extrusion of the filter press body 11 drops on the inclined first receiving plate 13 and the inclined second receiving plate 14, flows into the drainage groove 142 under the guiding action of the flow guide groove 141, and is finally discharged from the drainage hole 143, so that the stable collection of the filtrate is realized, and the clean production is realized.

After a period of use, the cleaning door plate 1441 is detached from the drain tank 142, and then the opposite brush plate 145 is moved up to position the cleaning brush 1453 above the cleaning opening 144 and fixed by the limit stopper 1454; then respectively starting the motors 31 at the first bearing plate 13 and the second bearing plate 14 to drive the scraper 2 at the corresponding position to scrape and move along the length direction of the liquid discharge tank 142 and scrape the bottom wall of the liquid discharge tank 142; the dirt adhered to the bottom of the drain tank 142 is discharged from the cleaning opening 144, when the scraper 2 moves to above the cleaning brush 1453, the cleaning brush 1453 scrapes off the dirt at the bottom of the scraper 2, and finally the supporting force of the limit baffle 1454 to the butt brush plate 145 is withdrawn, at this time, the spring 1452 rebounds to drive the cleaning brush 1453 to shake off the dirt adhered to the outer surface of the cleaning brush 1453, so that the lower surface of the scraper 2 is cleaned.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a high pressure membrane filter press, includes frame (1), frame (1) top is provided with filter press body (11) that are used for realizing solid-liquid separation, its characterized in that: rotating rods (121) are respectively connected to the two sides of the frame (1) and below the filter press body (11) in a rotating mode, a first bearing plate (13) is arranged on one rotating rod (121), and a second bearing plate (14) is arranged on the other rotating rod (121); the rack (1) is provided with a hydraulic oil cylinder (1211) which is respectively used for driving the two rotating rods (121) to rotate; the upper surfaces of the first bearing plate (13) and the second bearing plate (14) in the direction close to the rotating rod (121) are respectively provided with a liquid discharge groove (142), and the end walls of the first bearing plate (13) and the second bearing plate (14) in the positions close to the liquid discharge grooves (142) are respectively provided with a liquid discharge hole (143) in a penetrating mode.

2. A high pressure membrane filter press according to claim 1, wherein: and flow guide grooves (141) are respectively arranged on the upper surfaces of the first bearing plate (13) and the second bearing plate (14) along the width direction of the first bearing plate and the second bearing plate.

3. A high pressure membrane filter press according to claim 1, wherein: one ends of the first bearing plate (13) and the second bearing plate (14) far away from the direction of the liquid discharge hole (143) are provided with scrapers (2), and the scrapers (2) are positioned in liquid discharge grooves (142) at corresponding positions; the lower surfaces of the two liquid discharging grooves (142) close to the liquid discharging holes (143) at the corresponding positions are provided with cleaning openings (144) in a penetrating manner, and cleaning door plates (1441) used for closing the cleaning openings (144) are arranged at the cleaning openings (144); and driving parts (3) for driving the scraper (2) to move along the length direction of the liquid discharge groove (142) are arranged on the outer side walls of the first bearing plate (13) and the second bearing plate (14).

4. A high pressure membrane filter press according to claim 3, wherein: and the lower surface of the scraper (2) is provided with a wear-resistant layer (221).

5. A high pressure membrane filter press according to claim 4, wherein: the scraping plate (2) comprises a fixed frame plate (21) and a cleaning plate (22) inserted in the fixed frame plate (21), and the wear-resistant layer (221) is positioned on the lower surface of the cleaning plate (22); the side wall of the cleaning plate (22) is in threaded connection with a locking bolt (222) which is used for fixedly inserting the cleaning plate (22) into the fixed frame plate (21).

6. A high pressure membrane filter press according to claim 5, wherein: the two inner side walls of the cleaning openings (144) are connected with butt-joint brush plates (145) in a sliding mode respectively, cleaning brushes (1453) are arranged above the butt-joint brush plates (145), and the lower surfaces, close to the cleaning openings (144) at corresponding positions, of the first bearing plate (13) and the second bearing plate (14) of the cleaning plate (22) are rotatably connected with limit baffles (1454) used for fixing the positions of the cleaning brush plates.

7. A high pressure membrane filter press according to claim 6, wherein: clean mouthful (144) inside wall offer supply to dock brush board (145) and insert slip groove (1443) of establishing, dock brush board (145) side wall is provided with along the sliding block (1451) that slides of slip groove (1443) length direction, the inside diapire of slip groove (1443) is provided with spring (1452), spring (1452) keep away from the one end fixed connection of the groove (1443) diapire direction that slides on sliding block (1451).

8. A high pressure membrane filter press according to claim 7, wherein: the cleaning door plate (1441) is fixedly covered above the cleaning opening (144) through bolts, a sealing ring (1442) is arranged on the outer side wall of the cleaning door plate (1441) close to the cleaning opening (144) along the circumferential direction of the cleaning door plate, and the outer side wall of the sealing ring (1442) is attached to the inner side wall of the cleaning opening (144).

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