CN216778154U

CN216778154U - Flat-disc filter cloth water distributor and flat-disc filter

Info

Publication number: CN216778154U
Application number: CN202220454525.2U
Authority: CN
Inventors: 高敏; 李萌; 牛家兴
Original assignee: Luoyang Baonuo Heavy Machinery Co ltd
Current assignee: Luoyang Baonuo Heavy Machinery Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-06-21
Anticipated expiration: 2032-03-04

Abstract

The utility model relates to a cloth water distributor of a flat disc filter and the flat disc filter, which comprises a fixed frame, a plurality of feeding pipes, an overflow water tank and two lifting adjusting mechanisms, wherein the two lifting adjusting mechanisms are respectively positioned at two ends of the overflow water tank, the overflow water tank is adjustably arranged below the fixed frame through the two lifting adjusting mechanisms, a plurality of through holes for the feeding pipes to pass through from top to bottom are formed in a top plate, the overflow water tank is used for receiving and buffering slurry supplied by the feeding pipes, and the feeding pipes are provided with flow adjusting valves. The flow of each position of the cloth water distributor can be flexibly and real-timely adjusted by adjusting the flow of the feeding pipe and/or the lifting adjusting mechanism, and the water quantity demand of the inner ring and the outer ring of the flat disc filter can be timely met.

Description

Flat-disc filter cloth water distributor and flat-disc filter

Technical Field

The utility model relates to the technical field of solid-liquid separation equipment, in particular to a flat disc filter cloth water distributor and a flat disc filter.

Background

The flat disc filter is a vacuum solid-liquid separation device, and the purpose of solid-liquid separation is achieved by sequentially passing through a back blowing area, a material distribution area, a washing area and a spiral discharging area in the rotating process of a flat disc surface, wherein the performances of the material distribution water distributors arranged at the material distribution area and the washing area are crucial to the uniformity of filter cake formation and washing, and the technical indexes of the subsequent spiral discharging machine, such as the cake discharging effect and the filtered product, are influenced.

The conventional cloth water distributor of a flat disc filter comprises a spray pipe type, an open tank type and a sawtooth opening box type, wherein a disc of spray branch pipes are arranged at the bottom of a feeding main pipe, the structure cannot adapt to the characteristics of conveying various slurry and washing liquid, the spray pipe type cloth water distributor is easy to block when encountering easily scabbed materials, the flow of each spray branch pipe cannot be adjusted, and filter cakes are easy to flush when the flow is large. The top of the open groove type distribution water distributor is open, so that the inner material scab can be conveniently cleaned, but the problem that the filter cake is easy to disperse can not be solved. The sawtooth box type cloth water distributor (such as an easy-to-clean overflow washing liquid distributor disclosed in the Chinese utility model patent document with the publication number of CN 211025298U) has a complex structure and comprises a buffer hopper, a movable turning plate, a damper, overflow sawteeth and other components, the distributor can reduce the liquid flow rate and solve the problem that a filter cake is impacted, and the outflow water quantity at different positions of the distributor can be different by adjusting the opening and distance of the overflow sawteeth so as to solve the problem that the required water quantity is different due to different linear speeds of inner and outer rings of a flat disc; but the movable flap damper can scab after the structure is used for a period of time, cannot rotate, and has poor durability, and the overflow saw teeth are inconvenient to adjust and cannot meet the water quantity adjusting requirement in real time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cloth water distributor of a flat disc filter, which can solve the technical problem that the cloth water distributor of the existing flat disc filter cannot adjust water quantity in real time to meet different water quantity requirements of inner and outer rings of a flat disc surface;

the utility model also aims to provide a flat disc filter, which can solve the technical problem that the water distribution water distributor of the conventional flat disc filter cannot adjust the water quantity in real time to meet different water quantity requirements of inner and outer rings of the flat disc surface.

The utility model provides the following technical scheme: a flat disc filter cloth water distributor is used for being radially erected above a flat disc surface along the flat disc surface and comprises a fixing frame, a plurality of feeding pipes, an overflow water tank and two lifting adjusting mechanisms, wherein the fixing frame mainly comprises a top plate and two reinforcing pipes fixed on the lower side of the top plate;

the lifting adjusting mechanism comprises a threaded base, a screw and a lifting base, the lifting base comprises two parallel vertical plates and connecting pieces which are assembled on the two parallel vertical plates in a rotating mode around a horizontal rotating axis, a through hole is formed in the top plate, the threaded base is fixed on the top plate and provided with a through hole, the screw threads are arranged in the threaded base in a penetrating mode, the lower end of the screw extends to the lower portion of the top plate and is connected with the connecting pieces in a rotating mode, and the heights of two ends of the overflow groove are adjusted through the screw in and the screw out.

Has the beneficial effects that: when the cloth water distributor of the flat disc filter is used, slurry is supplied into the overflow water tank through the inlet pipe, the upper end of the overflow water tank is open, the slurry liquid level rises and then flows out from the overflow side plate, the overflow water tank can preliminarily realize the buffer effect on incoming materials, the impact force of the slurry is reduced, and therefore the filter cake is prevented from being dispersed by too large cloth flow. The overflow water tank is hung below the fixing frame through the lifting adjusting mechanisms at the two ends, and the heights of the two ends of the overflow water tank can be adjusted by rotating the screw rod, so that the overflow water tank is in a proper inclination angle, and the material distribution flow meets the requirement of different flow required by the inner ring and the outer ring of the flat disc; the structure is novel, the flow regulating method is particularly attractive, and the flow of different positions of the overflow water tank can be conveniently regulated on line in real time; in addition, all set up flow control valve on the inlet pipe to the overflow launder feed, can compensate the not enough of overflow launder flow control under the special circumstances, play dual regulation effect to reach better filter effect. In conclusion, in the use process of the flat disc filter cloth water distributor, the flow at each position of the overflow water tank can be adjusted in real time by changing the heights of the two ends of the overflow water tank and/or adjusting the opening degree of the flow adjusting valve, so that different water quantity requirements of the inner ring and the outer ring of the flat disc surface are fully and timely met.

Furthermore, the lifting adjusting mechanism also comprises a hand wheel fixed at the upper end of the screw rod.

Has the beneficial effects that: the overflow water tank is convenient to adjust in height and humanized in structural design.

Further, the feed end of the feed pipe is communicated with the feed main pipe through a metal braided hose.

Has the advantages that: the pipeline connection mode is flexible, and the position of the distribution water distributor can be conveniently adjusted.

The utility model also provides the following technical scheme: a flat-disk filter comprises a flat-disk filter cloth water distributor, the flat-disk filter cloth water distributor is radially arranged above the disk surface of a flat disk, and comprises a fixing frame, a plurality of feeding pipes, an overflow water tank and two lifting adjusting mechanisms, the fixing frame mainly comprises a top plate and two reinforcing pipes fixed on the lower side of the top plate, the two lifting adjusting mechanisms are respectively positioned at two ends of the overflow water tank, the overflow water tank is arranged below the fixing frame through the two lifting adjusting mechanisms, the top plate is provided with a plurality of through holes for the feeding pipe to pass through from top to bottom, the overflow water tank comprises a bottom plate, two end side plates, an overflow side plate and a water retaining side plate, the overflow side plate is lower than the water retaining side plate, the lower end of the feeding pipe is lower than the upper end of the overflow side plate, the overflow water tank is used for receiving and buffering slurry supplied by the feeding pipe, and the feeding pipe is provided with a flow regulating valve;

Has the advantages that: when the flat disc filter is used, slurry is supplied into the overflow water tank through the feeding pipe, the upper end of the overflow water tank is open, the slurry flows out from the overflow side plate after the liquid level of the slurry rises, and the overflow water tank can preliminarily realize the buffer effect on the incoming material and reduce the impact force of the slurry so as to prevent the filter cake from being scattered by overlarge distribution flow. The overflow water tank is hung below the fixing frame through the lifting adjusting mechanisms at the two ends, and the heights of the two ends of the overflow water tank can be adjusted by rotating the screw rod, so that the overflow water tank is in a proper inclination angle, and the material distribution flow meets the requirement of different flow required by the inner ring and the outer ring of the flat disc; the structure is novel, the flow regulating method is particularly attractive, and the flow of different positions of the overflow water tank can be conveniently regulated on line in real time; in addition, all set up flow control valve on the inlet pipe to the overflow launder feed, can compensate the not enough of overflow launder flow control under the special circumstances, play dual regulation effect to reach better filter effect. In conclusion, in the use process of the cloth water distributor of the flat disc filter, the flow at each position of the overflow water tank can be adjusted in real time by changing the heights of the two ends of the overflow water tank and/or adjusting the opening of the flow regulating valve, so that the different water quantity requirements of the inner ring and the outer ring of the flat disc surface are fully and timely met.

Drawings

FIG. 1 is a schematic perspective view of a cloth water distributor of a flat pan filter according to an embodiment 1 of the present invention;

FIG. 2 is a front view of a cloth distributor of a flat disk filter in the embodiment 1 of the flat disk filter of the present invention;

FIG. 3 is a cross-sectional view at C-C of FIG. 2;

FIG. 4 is a top view of FIG. 2;

reference numerals: 1-a fixed mount; 11-a reinforced pipe; 12-a top plate; 2-overflow water tank; 21-overflow side plates; 22-water retaining side plates; 3-feeding pipe; 41-a threaded base; 42-screw rod; 43-a connector; 44-a riser; 45-hand wheel; 5-first stage baffle plate; 51-primary vertical section; 52-a primary incline buffer section; 53-first level horizontal segment; 6-secondary baffle plate; 61-a secondary vertical section; 62-a secondary inclined buffer section; 63-secondary horizontal segment; 7-water curtain former; 8-hand hole cover plate; 9-reinforcing ribs; 10-flow regulating valve.

Detailed Description

The present invention is described in detail below with reference to the attached drawings.

Specific example 1 of the flat disc filter of the present invention:

the flat disc filter comprises a flat disc filter cloth water distributor with the structure shown in figures 1-4, when in use, the flat disc filter cloth water distributor is radially erected above a flat disc surface along the flat disc surface and is used for distributing water and cloth to the flat disc surface, the flat disc filter cloth water distributor mainly comprises a fixing frame 1, a plurality of feeding pipes 3, an overflow water tank 2 and two lifting adjusting mechanisms, the fixing frame 1 comprises a top plate 12 and two reinforcing pipes 11 fixed on the lower side of the top plate 12, the overflow water tank 2 is arranged below the fixing frame 1 in a lifting manner through the lifting adjusting mechanisms at two ends, the top plate 12 is provided with a plurality of through holes for the feeding pipes 3 to pass through from top to bottom, and the feeding pipes 3 are used for supplying slurry to the overflow water tank 2. Overflow launder 2 includes bottom plate, both ends curb plate, overflow curb plate 21, manger plate curb plate 22, and both ends curb plate, overflow curb plate 21, manger plate curb plate 22 all perpendicular to bottom plate set up, enclose into the open inner space in upper end, and overflow curb plate 21 sets up with manger plate curb plate 22 relatively, and overflow curb plate 21 highly is less than manger plate curb plate 22 and the lower extreme of inlet pipe 3 is less than overflow curb plate 21 upper end. When the device is used, slurry enters the overflow water tank 2 from the feeding pipe and overflows from the overflow water tank 2 through the overflow side plate 21, the overflow water tank 2 performs preliminary speed reduction buffering on the slurry, the water inlet end of the feeding pipe 3 is communicated with the feeding main pipe through the metal woven hose, and the feeding pipe 3 is provided with a flow regulating valve.

The lifting adjusting mechanism comprises a threaded base 41, a screw rod 42 and a lifting base, wherein the lifting base mainly comprises two parallel vertical plates 44 fixed on the overflow water tank 2 and a connecting piece 43 rotatably assembled between the two parallel vertical plates around a horizontal rotating axis, a through hole is formed in the top plate 12, the threaded base 41 is fixed on the top plate 12 and provided with a through hole, the upper end of the screw rod 42 is threaded in the threaded base 41, the lower end of the screw rod 42 extends to the lower part of the top plate 12 and is rotatably connected with the connecting piece 43, the screw rod 42 is screwed in and screwed out, the overall length of the lifting adjusting mechanism can be shortened, and then the height positions of two ends of the overflow water tank 2 are changed. A hand wheel 45 which is convenient for an operator to screw the screw rod 42 is arranged at the part of the upper end of the screw rod 42 penetrating through the thread base 41.

The cloth water distributor of the flat disc filter further comprises a first-level baffle plate 5 and a second-level baffle plate 6, the first-level baffle plate 5 comprises a first-level vertical section 51, a first-level inclined buffer section 52, a first-level horizontal section 53, the first-level inclined buffer section 52 is in transition connection between the first-level vertical section 51 and the first-level horizontal section 53, the first-level inclined buffer section 52 and the first-level horizontal section 53 are in transition through cambered surfaces, the upper end of the first-level vertical section 51 is fixed on the fixing frame 1, the first-level baffle plate 5 is located on the outer side of the overflow side plate 21 and is arranged towards the overflow water tank 2, the first-level horizontal section 53 is in overhang towards the lower portion of the overflow water tank 2, and the included angle between the first-level inclined buffer section 52 and the first-level vertical section 51 is 95 degrees.

The secondary baffle plate 6 comprises a secondary vertical section 61, a secondary inclined buffer section 62 and a secondary horizontal section 63, the upper end of the secondary vertical section 61 is fixed on the fixed frame 1, the secondary baffle plate 6 is positioned on the outer side of the water retaining side plate 22 and arranged towards the overflow water tank 2, and the secondary horizontal section 63 overhangs towards the lower part of the primary baffle plate 5; the secondary inclined buffer section 62 and the secondary horizontal section 63, and the secondary inclined buffer section 62 and the secondary vertical section 63 are in transition through cambered surfaces, and the included angle between the secondary vertical section 61 and the secondary inclined buffer section 62 is 100 degrees. One-level baffling board 5, second grade baffling board 6 flow equalize to ground paste one-level buffering respectively with the second grade buffering, set up unique low-angle inclined plane, cooperate the cambered surface transition effect, be difficult to the scaling and depositing of scabbing when guaranteeing that the ground paste receives cushioning effect, even flow.

The overhanging end of the second-level horizontal section 63 of the second-level baffle plate 6 is provided with a water curtain former 7, and the water curtain former 7 mainly comprises a semi-circular arc plate with a downward inner arc surface. The slurry that cushions through preliminary overflow, one-level baffling board, second grade baffling board flows to water curtain formation ware 7 and need cross the semicircle board and just can fall to the quotation, plays final flow equalizing, slow-down effect on the one hand, and on the other hand can guarantee that the feed liquid is the water curtain form and vertically falls to the quotation, and cloth water distribution is effectual.

After long-time use, the inside jam that scars of 2 inside overflow water tanks, for solving 2 clearance problems in overflow water tanks, seted up two clearance hand holes on the one-level vertical section 51 of one-level baffling board 5, the clearance hand hole outside is equipped with hand hole apron 8, in other embodiments, can set up three, four, five or other quantity hand hole clearance hand holes according to the demand, conveniently in time clears up the scar, guarantees that the overflow water tank normally works. In order to ensure that the cloth water distributor of the flat disc filter has firmer structure and better impact resistance, a plurality of reinforcing ribs 9 are arranged on the outer side of the primary baffle plate 5.

When the cloth water distributor of the flat disc filter is used, slurry enters the overflow water tank 2 through the water inlet pipe 3, overflows from the overflow side plate 21 after being subjected to preliminary speed reduction buffering of the overflow water tank 2, and then flows to the water curtain former 7 through the primary baffle plate 5 and the secondary baffle plate 6 in sequence to form a uniform water curtain and then flows into the flat disc surface. In the process, the heights of the two ends of the overflow water tank can be changed by rotating the hand wheel 45 and adjusting the overall length of the lifting adjusting mechanism, so that the slurry flowing out of different positions of the overflow water tank has different flow rates; generally, in the use process of a flat disc filter, the flow velocity of the cloth and water distribution required by the inner ring is low, the flow velocity of the cloth and water distribution required by the outer ring is high, the flow velocity of an outlet of an overflow water tank can be adjusted in real time by an operator through a hand wheel, and in addition, the feeding flow can be adjusted through a flow adjusting valve, so that the defect of flow adjustment of the overflow water tank is overcome under special conditions, and the technical problem that the water quantity demand of different inner and outer rings of a flat disc surface cannot be met by the cloth and water distributor of the conventional flat disc filter in real time is solved. The cloth water distributor of the flat disc filter is provided with a multi-stage buffer structure, so that filter cakes are prevented from being washed out to the greatest extent, the filtering quality is ensured, the angles of the first-stage baffle plate and the second-stage baffle plate are ingeniously arranged, the two-stage baffle plates are matched with the cambered surface for transition, and slurry scabbing is avoided while the two-stage baffle plates are decelerated and flow equalized. In conclusion, in the use process of the flat disc filter cloth water distributor, the flow at each position of the overflow water tank can be adjusted in real time by changing the heights of the two ends of the overflow water tank and/or adjusting the opening degree of the flow adjusting valve, so that different water quantity requirements of the inner ring and the outer ring of the flat disc surface are fully and timely met.

The utility model relates to a flat disc filter cloth water distributor, which comprises the following specific embodiments:

the cloth water distributor of the flat disc filter has the same structure as the cloth water distributor of the flat disc filter in the flat disc filter disc, and the details are not repeated here.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. A flat disc filter cloth water distributor is used for radially erecting above a flat disc surface along the flat disc surface and is characterized by comprising a fixing frame, a plurality of feeding pipes, an overflow water tank and two lifting adjusting mechanisms, wherein the fixing frame mainly comprises a top plate and two reinforcing pipes fixed on the lower side of the top plate;

2. The cloth distributor of a flat-disk filter as claimed in claim 1, wherein the lifting adjusting mechanism further comprises a hand wheel fixed on the upper end of the screw.

3. The cloth water distributor of flat-disk filter as claimed in claim 1 or 2, wherein the feed end of the feed pipe is used for communicating with the feed header pipe through a metal woven hose.

4. A flat-disk filter, characterized in that it comprises a cloth distributor of a flat-disk filter according to any one of claims 1 to 3.