CN210945306U

CN210945306U - Belt filtering equipment

Info

Publication number: CN210945306U
Application number: CN201921864075.9U
Authority: CN
Inventors: 林洁丽; 朱豪成; 谢智浩; 林洁玲; 曹健
Original assignee: Foshan University
Current assignee: Foshan University
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-07
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a belt filter equipment, including the frame, still include: the filter device comprises a bottom frame assembly, a side leakage prevention assembly and a mud turning assembly, wherein the mud turning assembly comprises a cross rod arranged on a side leakage prevention shell and a mud turning plate connected to the cross rod, the mud turning plate is positioned on the upper side of the filter cloth, and the mud turning plate is positioned between a mud inlet and a mud outlet; the thickness adjusting assembly comprises a rotatable height limiting plate, and a height limiting balancing weight is arranged on the height limiting plate; and the mud scraping assembly comprises a mud scraping plate which is arranged at the mud outlet and is abutted against the filter cloth. This filtration equipment realizes the tertiary dehydration filtration to mud through setting up the filter cloth, turning over the mud subassembly and adjusting thick subassembly except, sets up rotatable limit for height board in the accent thick subassembly to limit for height mouthful highly changeable sets up the limit for height balancing weight on the limit for height board and carries out the loading, predetermines the limit for height balancing weight that weight is suitable according to the difference of handling mud nature, when can play the dewatering effect to mud, prevents mud polluted environment.

Description

Belt filtering equipment

Technical Field

The utility model relates to a sludge treatment field, in particular to belt filter equipment.

Background

In solid-liquid separation fields such as river course desilting dehydration mummification, sewage treatment plant sludge dewatering, paper mill fibre thick liquid concentration, because moisture content such as initial mud is too high, directly get into dewatering equipment can greatly reduced dewatering equipment's throughput, consequently all can carry out the preshrinking with initial mud before the dehydration to reach the purpose that increases the dehydration rate. At present, a precipitation and concentration treatment mode is usually adopted, such as a large sedimentation tank is constructed for concentration treatment, but the operation mode has fixed pre-shrinking site, long pre-shrinking time and poor flexibility, and concentration equipment with the requirements of large operation load, small floor area, small volume, light operation weight, high treatment precision and the like is required to be adopted in certain use occasions which need intensification, such as river channel dredging, dewatering and drying mobile equipment.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a belt filter equipment.

According to the utility model discloses belt filter equipment, including the frame, still include:

the filtering device comprises a driving mechanism arranged on the frame, a driving roller in driving connection with the driving mechanism, a driven roller in driving connection with the driving roller through filter cloth, and a tensioning mechanism arranged on the frame and used for tensioning the filter cloth;

the bottom frame assembly comprises a support frame positioned on the inner side of the filter cloth and a water receiving tray positioned on the lower side of the support frame, the support frame and the water receiving tray are fixedly connected with the frame, and a first drainage port with an opening at the lower part is arranged on the bottom surface of the water receiving tray;

the side leakage prevention assembly comprises a side leakage prevention shell fixedly connected to the rack, the lower part of the side leakage prevention shell is open, the lower side of the side leakage prevention shell is abutted against the upper side of the filter cloth, one side of the side leakage prevention shell is provided with a slurry inlet, and the other side of the side leakage prevention shell is provided with a slurry outlet;

the mud turning assembly comprises a cross rod arranged on the side leakage prevention shell and a mud turning plate connected to the cross rod, the mud turning plate is positioned on the upper side of the filter cloth, and the mud turning plate is positioned between a mud inlet and a mud outlet;

the thickness adjusting assembly is arranged between the mud turning assembly and the mud outlet and comprises a rotating seat and a height limiting plate, the rotating seat is mounted on the side leakage prevention shell, the height limiting plate is rotatably connected with the rotating seat, a height limiting opening is formed between the height limiting plate and the filter cloth, and a height limiting balancing weight is arranged on the height limiting plate;

and the mud scraping assembly comprises a mud scraping plate which is arranged at the mud outlet and is abutted against the filter cloth.

According to the utility model discloses belt filter equipment has following beneficial effect at least: the filtering equipment realizes three-stage dehydration and filtration of sludge by arranging the filter cloth, the sludge turning assembly and the thickness adjusting assembly, has high treatment precision, can treat continuously input slurry, and has large treatment flux; except that, set up rotatable limit for height board in the accent thick subassembly, thereby the height of limit for height mouth is changeable, set up the limit for height balancing weight and carry out the loading on the limit for height board, predetermine the limit for height balancing weight that weight is suitable according to the difference of handling mud nature, when can play the dewatering effect to mud, reduce because of limit for height mouth department resistance too big and lead to mud from preventing the possibility that the edge leakage casing spills, reduce the possibility that mud pollutes operational environment influence mechanism's function, equipment operation is more reliable and more stable.

When in use, the mud is poured from a mud inlet on the lateral leakage prevention shell and falls on the filter cloth, the mud is extruded to squeeze water under the action of the dead weight and the reaction force provided by the support frame when falling on the filter cloth, the water falls to a water receiving tray positioned at the inner side of the filter cloth through the filter cloth, the slurry is discharged through the first water discharge port, the driving roller is driven by the driving mechanism to drive the filter cloth to move, the sludge turning plate arranged between the slurry inlet and the slurry outlet limits the moving space of the slurry on the lateral leakage prevention shell, the slurry is further dehydrated under pressure and then sent to the thickness adjusting assembly, the thickness adjusting assembly is internally provided with a height limiting port to limit the thickness of the slurry, on one hand, the slurry is compressed and dehydrated, on the other hand, the thickness of the slurry flowing out of the height limiting port is relatively stable, the subsequent complete wrapping of the slurry by another peripheral filter cloth is facilitated, and the possibility that the slurry leaks from the space between the two filter cloths is reduced.

According to the utility model discloses a some embodiments, one side of limit for height board is equipped with the connecting plate that sets up along vertical direction, be equipped with the connecting hole that a plurality of arranged along vertical direction on the connecting plate, be equipped with the screw on the limit for height balancing weight, screw hole department is equipped with the screw, after the screw passes the connecting hole with limit for height balancing weight threaded connection will the limit for height balancing weight is attached on the limit for height board. When limit for height balancing weight and different connecting holes are connected, the distance to limit for height board rotation axis of limit for height balancing weight is different to the moment of torsion that produces the limit for height board is different, and the loading power of limit for height balancing weight is different promptly, has realized adjusting the loading power of limit for height balancing weight, more is favorable to leak protection when to the mud dehydration.

According to the utility model discloses a some embodiments, turn over mud subassembly still including connecting fixed block on the side leakage prevention casing, be equipped with the first hole that changes of horizontal setting on the fixed block, horizontal pole and first hole transitional coupling that changes, stretch out the one end of horizontal pole first hole that changes is connected with the handle. The mud turning plate is in transitional connection with the first rotating hole through the cross rod and is kept fixed. One end of the cross rod is provided with a handle, and the cross rod can be rotated by applying enough force at the handle, so that the installation angle of the mud turning plate can be integrally adjusted. The angle of the mud turning plate can form an acute angle, a right angle or an obtuse angle with the advancing direction of the filter cloth according to requirements, when the angle is formed, no additional component force is generated on mud in the up-down direction, when the mud turning effect needs to be strengthened, the angle is formed into the obtuse angle, otherwise, the angle is formed into the acute angle.

According to some embodiments of the utility model, turn over the mud board include with turn over the mud mainboard that the horizontal pole is connected and with releasable connection turn over the mud welt of turning over mud mainboard downside, turn over the mud welt with turn over the mud mainboard and have a plurality of mounted positions that correspond on the direction of height. Therefore, the height between the mud turning plate and the filter cloth is adjustable, the depth of the mud turning plate extending into the mud is adjustable, when the mud turning plate is used, the resistance of the mud turning plate to the mud can be adjusted according to the property of the mud, and the situation that the mud is difficult to move along with the filter cloth at the mud turning assembly and overflows from the upper side of the side leakage prevention shell is avoided. On the other hand, the dewatering effect of the mud turning plate on the mud can be changed by adjusting the depth of the mud turning plate extending into the mud, so that the dewatering rate of the mud is changed.

According to the utility model discloses a some embodiments, turn over and be connected with solid fixed ring on the mud mainboard, gu be equipped with the angle modulation groove that link up the setting on fixed ring global, the angle modulation groove extends along the circumferencial direction, be equipped with the angle modulation screw on the horizontal pole, be equipped with the angle modulation screw in the angle modulation groove, the angle modulation screw pass the angle modulation groove and with angle modulation screw threaded connection. Therefore, the installation angle of the single mud turning plate can be adjusted by rotating the fixing ring.

According to some embodiments of the utility model, it is V-arrangement to turn over the mud board, turn over the mud board along vertical setting, it includes blind end and open end to turn over the mud board, the blind end face to mud entry sets up. Above setting up for turn over the mud board and reduce gradually in the its opening area of the mud opening of preventing that the edge leakage casing forms, on the one hand can be better including preventing the edge leakage shell and turning over the mud board gradually the extrusion force of increase mud, and on the other hand can mud change and pass through the mud opening, and the dehydration effect of mud is comparatively even.

According to some embodiments of the utility model, the quantity of turning over the mud board is the polylith, the polylith turn over the mud board and set up in preventing the side leakage shell, all with crisscross the mud board that turns over all with the horizontal pole rigid coupling. Set up the crisscross mud board that turns over of polylith, mud is compressing the dehydration many times when through turning over the mud subassembly, and the filter dewatering volume is bigger, and the dehydration treatment precision is higher.

In order to play a role of preventing side leakage, the lower edge of the side leakage preventing shell needs to be abutted against and pressed against the filter cloth, the filter cloth is difficult to move when the pressing force is too large, and mud is easy to side leakage when the pressing force is too small. For this reason, in some embodiments of the invention, the pressing force between the side leakage preventing shell and the filter cloth can be adjusted.

According to some embodiments of the present invention, the side leakage preventing case includes a side leakage preventing main case installed on the rack and a side leakage preventing sub-case slidably coupled to the side leakage preventing main case in a height direction, the side leakage preventing sub-case and the side leakage preventing main case. Therefore, the pressing force of the filter cloth can be changed by adjusting the installation height of the side leakage prevention auxiliary shell, so that the filter cloth is not obviously hindered from moving, and the mud side leakage can be prevented.

Alternatively, according to another embodiment of the present invention, the side leakage prevention casing includes a main side leakage prevention casing installed on the rack and a sub side leakage prevention casing slidably connected to the main side leakage prevention casing in a height direction, and the sub side leakage prevention casing is detachably connected to a height limiting weight. From this, through setting up the limit for height balancing weight, make the vice shell of preventing the edge leakage produce the packing force to the filter cloth, can change the packing force to the filter cloth through changing different limit for height balancing weights, make it reach and not cause obvious hindrance to the motion of filter cloth, can prevent the state of mud edge leakage simultaneously. Adopt limit for height balancing weight to adjust, its advantage is in adjusting comparatively conveniently, and the producer can be equipped with limit for height balancing weight commonly used according to the in service behavior, during the regulation direct change limit for height balancing weight can.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a first schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a second schematic structural diagram of an embodiment of the present invention;

fig. 5 is a partially enlarged view of C in fig. 4.

In the drawings:

110-a drive mechanism; 120-filter cloth; 130-a tensioning mechanism;

210-a support frame; 220-a water pan;

311-side leakage prevention main shell; 312-side leakage prevention sub-shell;

411-mud turning main board; 412-mud turning over lining plate; 420-a fixed ring; 421-angle adjusting groove;

511-a rotating seat; 512-height limiting plate; 513-connecting plates; 514-height limiting balancing weight;

600-a mud scraper.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, a belt filter apparatus according to an embodiment of the present invention includes a frame, and further includes:

the filtering device comprises a driving mechanism 110 arranged on the frame, a driving roller in driving connection with the driving mechanism 110, a driven roller in driving connection with the driving roller through a filter cloth 120, and a tensioning mechanism 130 arranged on the frame and used for tensioning the filter cloth 120;

the underframe assembly comprises a support frame 210 positioned on the inner side of the filter cloth 120 and a water pan 220 positioned on the lower side of the support frame 210, the support frame 210 and the water pan 220 are fixedly connected with the frame, and a first drainage port with an open lower part is arranged on the bottom surface of the water pan 220;

the side leakage prevention assembly comprises a side leakage prevention shell fixedly connected to the rack, the lower part of the side leakage prevention shell is open, the lower side of the side leakage prevention shell is abutted against the upper side of the filter cloth 120, one side of the side leakage prevention shell is provided with a slurry inlet, and the other side of the side leakage prevention shell is provided with a slurry outlet;

the mud turning assembly comprises a cross rod arranged on the side leakage prevention shell and a mud turning plate connected to the cross rod, the mud turning plate is positioned on the upper side of the filter cloth 120, and the mud turning plate is positioned between the mud inlet and the mud outlet; the mud turning plate is V-shaped and vertically arranged, and comprises a closed end and an open end, and the closed end faces the mud inlet. The area of the opening of the formed slurry opening is gradually reduced, and the slurry dewatering is more facilitated. And the thickness adjusting assembly is arranged between the mud turning assembly and the mud outlet.

The thickness adjusting component comprises a rotating seat 511 arranged on the lateral leakage preventing shell and a height limiting plate 512 rotatably connected with the rotating seat 511, a height limiting opening is arranged between the height limiting plate 512 and the filter cloth 120, and a height limiting counterweight 514 is arranged on the height limiting plate 512; set up rotatable limit for height board 512 in the accent thick subassembly, thereby the height of limit for height mouth is changeable, set up limit for height balancing weight 514 and carry out the loading on limit for height board 512, predetermine the suitable limit for height balancing weight 514 of weight according to the difference of handling mud nature, when can play the dewatering effect to mud, reduce because of limit for height mouth department resistance too big and lead to mud to follow the possibility that prevents that the edge leakage casing spills, reduce the possibility that mud pollutes operational environment influence mechanism's function, equipment operation is more reliable and more stable. One side of limit for height board 512 is equipped with along the connecting plate 513 of vertical direction setting, be equipped with the connecting hole that a plurality of was arranged along vertical direction on the connecting plate 513, be equipped with the screw on the limit for height balancing weight 514, screw hole department is equipped with the screw, the screw pass behind the connecting hole with limit for height balancing weight 514 threaded connection, will limit for height balancing weight 514 is attached on limit for height board 512. When limit for height balancing weight 514 and different connecting holes are connected, limit for height balancing weight 514 to the distance of limit for height board 512 rotation axis different to the moment of torsion that produces limit for height board 512 is different, and limit for height balancing weight 514's loading force is different promptly, has realized adjusting limit for height balancing weight 514's loading force, more is favorable to leak protection when to the mud dehydration. Of course, the loading force of the height limiting weight 514 can also be changed by replacing a height limiting weight 514 of a different weight.

A mud scraping assembly comprising a mud scraper 600 arranged at the mud outlet and abutting the filter cloth 120. The wiper blade 600 is rotatable and one end thereof is pulled by a tension spring connected to the frame so that the wiper blade 600 can be kept close to the filter cloth 120, thereby facilitating the thorough wiping of the slurry off the filter cloth 120.

When the mud filter is used, mud is poured from a mud inlet on the lateral leakage preventing shell and falls on the filter cloth 120, the mud is extruded to squeeze water under the action of the reaction force provided by the support frame 210 when falling on the filter cloth 120 under the action of self weight, the water falls to the water receiving tray 220 positioned on the inner side of the filter cloth 120 through the filter cloth 120, and discharged through the first water discharge port, the driving mechanism 110 drives the driving roller to drive the filter cloth 120 to move, the mud-turning plate arranged between the mud inlet and the mud outlet limits the moving space of the mud on the lateral leakage-proof shell, the mud is pressed to further dewater, and, the height limiting opening is arranged in front of the slurry outlet, on one hand, the effect of compressing and dehydrating the slurry is achieved, on the other hand, the thickness of the slurry flowing out of the height limiting opening is relatively stable, the subsequent complete wrapping of the slurry by the other peripheral filter cloth 120 is facilitated, and the possibility that the slurry leaks out from the space between the two filter cloths 120 is reduced.

Specifically, the upper side of the side leakage prevention shell is a slurry inlet, and the left side of the side leakage prevention shell is a slurry outlet. The side leakage preventing case includes a side leakage preventing main case 311 installed on the rack and a side leakage preventing sub-case 312 slidably connected to the side leakage preventing main case 311 in a height direction, the side leakage preventing sub-case 312 and the side leakage preventing main case 311. Specifically, adjust the structure through the elongated hole and realize, the elongated hole is adjusted the structure and is included microscler through-hole and the second through-hole that sets up respectively on preventing the main casing 311 that leaks with the side and preventing the auxiliary casing 312 that leaks to and wear to establish the bolt assembly with microscler through-hole and second through-hole, the second through-hole makes to prevent that the main casing 311 that leaks with the side and prevent the auxiliary casing 312 that leaks and have a plurality of corresponding positions in the direction of height with microscler through-hole, bolt assembly is used for locking to attach prevents the main casing 311 that leaks with the side and prevents the auxiliary casing 312 that leaks, this kind of adjustment structure has the advantage that the regulation precision. By adjusting the installation height of the side leakage prevention sub-shell 312, the pressing force on the filter cloth 120 can be changed, so that the filter cloth 120 is not obviously hindered from moving, and the mud side leakage can be prevented.

The quantity of the mud turning plates is multiple, the multiple mud turning plates are arranged in the side leakage prevention shell in a staggered mode, and all the mud turning plates are fixedly connected with the cross rods. Set up the crisscross mud board that turns over of polylith, mud is compressing the dehydration many times when through turning over the mud subassembly, and the filter dewatering volume is bigger, and the dehydration treatment precision is higher. Each mud turning plate comprises a mud turning main plate 411 connected with the cross rod and a mud turning lining plate 412 detachably connected to the lower side of the mud turning main plate 411, and the mud turning lining plate 412 and the mud turning main plate 411 are provided with a plurality of corresponding mounting positions in the height direction. Therefore, the resistance of the mud turning plate to the mud can be adjusted according to the property of the mud, the depth of the mud turning plate extending into the mud can be adjusted, the dehydration effect of the mud turning plate on the mud can be changed, and the dehydration rate of the mud can be changed.

According to the utility model discloses a some embodiments, turn over and be connected with solid fixed ring 420 on the mud mainboard 411, gu be equipped with the angle modulation groove 421 that link up the setting on fixed ring 420 global, angle modulation groove 421 extends along the circumferencial direction, be equipped with the angle modulation screw on the horizontal pole, be equipped with the angle modulation screw in the angle modulation groove 421, the angle modulation screw pass angle modulation groove 421 and with angle modulation screw threaded connection. Thus, the installation angle of the individual mud flaps can be adjusted by rotating the fixing ring 420.

In another embodiment, the side leakage preventing case includes a side leakage preventing main case 311 installed on the rack and a side leakage preventing sub-case 312 slidably connected to the side leakage preventing main case 311 in a height direction, and a sub-case weight is detachably connected to the side leakage preventing sub-case 312. Therefore, the auxiliary shell counter weight block is arranged, so that the side leakage prevention auxiliary shell 312 generates pressing force on the filter cloth 120, the pressing force on the filter cloth 120 can be changed by replacing different auxiliary shell counter weight blocks, the filter cloth 120 is prevented from obviously blocking movement, and meanwhile, the mud side leakage can be prevented. Adopt the auxiliary casing balancing weight to adjust, its advantage is in adjusting comparatively conveniently, and the producer can be equipped with the auxiliary casing balancing weight commonly used according to the in service behavior, and direct change during the regulation the auxiliary casing balancing weight can.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and changes without departing from the spirit of the invention.

Claims

1. A belt filter apparatus, includes the frame, its characterized in that: further comprising:

2. A belt filter apparatus as claimed in claim 1, wherein: the height limiting device is characterized in that a connecting plate arranged in the vertical direction is arranged on one side of the height limiting plate, a plurality of connecting holes distributed in the vertical direction are formed in the connecting plate, screw holes are formed in the height limiting balancing weight, screws are arranged in the screw holes and penetrate through the connecting holes to be in threaded connection with the height limiting balancing weight, and the height limiting balancing weight is attached to the height limiting plate.

3. A belt filter apparatus as claimed in claim 1, wherein: the mud turning assembly is characterized by further comprising a fixed block connected to the side leakage prevention shell, a first rotating hole transversely formed in the fixed block, the cross rod is in transitional connection with the first rotating hole, and one end of the cross rod extends out of the first rotating hole and is connected with a handle.

4. A belt filter apparatus as claimed in claim 1, wherein: the mud turning plate comprises a mud turning main plate connected with the cross rod and a mud turning lining plate connected with the cross rod and detachably connected to the lower side of the mud turning main plate, and the mud turning lining plate and the mud turning main plate are provided with a plurality of corresponding mounting positions in the height direction.

5. A belt filter apparatus as claimed in claim 4, wherein: the mud turning main board is connected with a fixing ring, angle adjusting grooves are formed in the peripheral face of the fixing ring in a penetrating mode, the angle adjusting grooves extend in the circumferential direction, angle adjusting screw holes are formed in the cross rod, angle adjusting screws are arranged in the angle adjusting grooves, and the angle adjusting screws penetrate through the angle adjusting grooves and are in threaded connection with the angle adjusting screw holes.

6. A belt filter apparatus as claimed in claim 1, wherein: the mud turning plate is V-shaped and vertically arranged, and comprises a closed end and an open end, and the closed end faces the mud inlet.

7. A belt filter apparatus as claimed in claim 1, wherein: the quantity of the mud turning plates is multiple, the mud turning plates are arranged in the side leakage prevention shell in a staggered mode, and all the mud turning plates are fixedly connected with the cross rods.

8. A belt filter apparatus as claimed in claim 1, wherein: the side leakage prevention shell comprises a side leakage prevention main shell installed on the rack and a side leakage prevention sub-shell connected with the side leakage prevention main shell in a sliding mode in the height direction, and the side leakage prevention sub-shell and the side leakage prevention main shell are connected in a sliding mode.

9. A belt filter apparatus as claimed in claim 1, wherein: the side leakage prevention shell comprises a side leakage prevention main shell installed on the rack and a side leakage prevention auxiliary shell connected with the side leakage prevention main shell in a sliding mode in the height direction, and an auxiliary shell balancing weight is detachably connected to the side leakage prevention auxiliary shell.