CN108211478A - A kind of novel band vibrating roller press filtering device - Google Patents

A kind of novel band vibrating roller press filtering device Download PDF

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Publication number
CN108211478A
CN108211478A CN201810159036.2A CN201810159036A CN108211478A CN 108211478 A CN108211478 A CN 108211478A CN 201810159036 A CN201810159036 A CN 201810159036A CN 108211478 A CN108211478 A CN 108211478A
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CN
China
Prior art keywords
roller
strainer
extrusion dehydration
filter
motorized pulleys
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CN201810159036.2A
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Chinese (zh)
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CN108211478B (en
Inventor
贾守民
贾中瑞
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
    • B01D33/042—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering whereby the filtration and squeezing-out take place between at least two filtering bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
    • B01D33/64—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression
    • B01D33/646—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression by pressure rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
    • B01D33/66—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating
    • B01D33/663—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating by direct contact with a fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding

Abstract

The present invention provides a kind of novel band vibrating roller press filtering device,The belt vibrating roller pressure filter being oppositely arranged including left and right,Filter includes rack,Rack includes upper,Lower support frame,Upper braced frame upstream end is equipped with layer-by-layer distribution device,Along the flow direction of material,Guide roller is equipped in rack successively,Vibration section,Driven roller splenium and idler roller,Around guide roller,Vibration section,Driven roller splenium and idler roller are equipped with ring-shaped filtering belt,Left driven roller splenium includes the second driving motorized pulleys of the first extrusion dehydration roller and lower support frame positioned at upper braced frame,Right driven roller splenium includes the first driving motorized pulleys of the second extrusion dehydration roller and upper braced frame positioned at lower support frame,Between first extrusion dehydration roller and the first driving motorized pulleys,Between two strainers of left side and right side driven roller splenium,Top clearance is respectively formed between second extrusion dehydration roller and the second driving motorized pulleys.Make filter cake liquid content low, improve production capacity.

Description

A kind of novel band vibrating roller press filtering device
Technical field
The invention belongs to the technical fields of separation of solid and liquid filtering, and in particular to a kind of novel band vibrating roller press filtration dress It puts.
Background technology
Separation of solid and liquid is the important process procedure of the industries such as mine, metallurgy, chemical industry, papermaking, food, environmental protection.It is energy-efficient Solid-liquid separating equipment be the key that ensure that technological process is stable, reliability service.The master of separation of solid and liquid is carried out to microfine mud It is filter to want equipment, and existing various filters at present, in the prevalence of efficiency is low, high energy consumption, filter cake liquid content is big, filters The shortcomings of liquid is muddy.
Current existing filter mainly has vacuum filter, pressing filter, filter centrifugal and band filter.Its In, vacuum filter is dehydrated by negative pressure of vacuum, carries out separation of solid and liquid, but vacuum filter high energy consumption, unit production capacity is low, fine Granule materials slurry filter cake liquid content is big, and filtrate is muddy, and operating cost is high；Pressing filter is using slush pump or compressed air Power carries out separation of solid and liquid, and pressing filter can make the equipment that unit specification is big, production capacity is high, but pressing filter filtrate is mixed Turbid, filter cloth consumption is big, and energy consumption is larger；Filter centrifugal has the continous way and intermittent, vertical, horizontal peaceful Spiral disk formula etc. several Form, but the production capacity of general filter centrifugal is smaller, and filter cloth cleaning is difficult.
Current belt filter press is a kind of efficient filter, have it is simple in structure, easy to operate, low energy consumption, can be continuous The advantages that operating, be efficient, but it need to preliminarily flocculation treatment, addition flocculant make microfine solid particle form wadding to slurry Group, is distributed on filter cloth, and floc sedimentation first through gravity dehydration, is then run among two strainers, passes through extruding and shearing force And the liquid in slurry is removed, and filter cake is formed, is detached later by two idler wheels, filter cake discharge.But the drawback is that flocculant disappears Consumption is big, of high cost, and cleaning filter cloth water consumption is big, and filter cloth abrasion is big, and cake moisture is higher, it is impossible to wash filter cake.
In recent years, as mill tailings does the popularization of row's technique, it is de- that belt filter press is gradually applied to mill tailings filtering It is waterborne, therefore, a kind of band filter energy saving, efficient, production capacity is high, at low cost is researched and developed, is current urgent problem to be solved.
Invention content
Simple and compact for structure the purpose of the present invention is to provide a kind of novel band vibrating roller press filtering device, operation is flat Surely, low energy consumption, low noise, cake moisture are low, good filtration effect, can work continuously, and improves production capacity and working efficiency, reduces Production cost.
The present invention adopts the following technical scheme that：A kind of novel band vibrating roller press filtering device is oppositely arranged including left and right Belt vibrating roller pressure filter, belt vibrating roller pressure filter respectively include rack, rack include horizontally disposed upper branch Support frame frame and lower support frame, upper braced frame upstream end thereof are provided with layer-by-layer distribution device, along the flow direction of material, in rack according to It is secondary to be provided with guide roller, vibration section, driven roller splenium and idler roller, guide roller, vibration section, driven roller splenium in rack The surface of idler roller is provided with ring-shaped filtering belt, layer-by-layer distribution device slurry is uniformly arranged onto strainer, upper braced frame upstream end Lower section is provided with the filtrate receiving slit for receiving filtrate, is provided with to receive washing for washing lotion below upper braced frame downstream Liquid receiving slit, the downstream of filtrate receiving slit and the upstream end of washing lotion receiving slit are in the same position phase of upper braced frame middle part Connection, the top of washing lotion receiving slit and is provided with washing pipe for washing material above the strainer, in lower support frame Top, the dead band top of two strainers of left and right are respectively provided with the pressure cleaning showers water pipe of cleaning strainer；
Include be arranged in upper braced frame first positioned at the driven roller splenium of the belt vibrating roller pressure filter in left side to squeeze Dehydration roller and the second driving motorized pulleys being arranged in lower support frame, the belt vibrating roller pressure filter positioned at right side Driven roller splenium includes the second extrusion dehydration roller being arranged in lower support frame and be arranged in braced frame first Motorized pulleys are driven, the first extrusion dehydration roller drives motorized pulleys to be oppositely arranged with first, the second extrusion dehydration roller and the Two driving motorized pulleys are oppositely arranged, and are formed between the first extruding between the first extrusion dehydration roller and the first driving motorized pulleys Gap forms the second top clearance around the strainer of left side driven roller splenium and between the strainer of right side driven roller splenium, the Third top clearance is formed between two extrusion dehydration rollers and the second driving motorized pulleys.Extrusion dehydration roller and the electronic rolling of driving Cylinder main shaft line and horizontal angle are between 40 ° ~ 50 °, and two strainer overlapping portions of left and right are with horizontal angle at 40 ° ~ 50 ° Between.
Be provided with above the second driving downstream of motorized pulleys, left side strainer for strainer blowing make solid material with it is left The left side blow-off tube of side strainer separation is provided with above the downstream of the second extrusion dehydration roller, right side strainer for filter Make the solid right side blow-off tube for expecting to detach with right side strainer with blowing, in the lower section of lower support frame, corresponding filter cake exhaust position, if It is equipped with the filter cake receiving slit for receiving solid material.
Between two-stage squeezing dehydration device, two filter bag overlapping portions of left and right are provided with the blowing for drying to filter cake Cover, blowing cover are bound up in rack, and spring is equipped between blowing cover and rack, ensure that blowing cover is compressed to filter bag.
The surface of first extrusion dehydration roller is uniformly distributed with through-hole, and the first extrusion dehydration roller has not to be squeezed with first The first of press-dehydrating roller rotation fixes hollow shaft, is fixed on axis in the first extrusion dehydration roller and is additionally provided with the first exhausting Slot, in the first extrusion dehydration roller in the radial direction, the bottom end of the first exhausting groove is connected with the first hollow shaft, the first exhausting The inlet scoop of the slot other end is set close to the inner surface of the first extrusion dehydration roller and opposite first top clearance inlet, and first Felt seal pad, the outer end of the first hollow shaft are provided between the inner surface of the inlet scoop of exhausting groove and the first extrusion dehydration roller The first exhaust column is communicated with, the second extrusion dehydration roller is identical with the first extrusion dehydration roller frame, the second extrusion dehydration roller It is provided with the second fixation hollow shaft, the second exhausting groove and the second exhaust column, the centre-height of the first extrusion dehydration roller is less than the The centre-height of one driving motorized pulleys, the centre-height of the second extrusion dehydration roller drive the center of motorized pulleys less than second Highly.
The two end axles bearing of first main shaft of the first driving motorized pulleys be linked with respectively for push the first main shaft the One cylinder, the two end axles bearing of the second main shaft of the second driving motorized pulleys are linked with respectively for the second of the second main shaft of promotion Cylinder, the two end axles bearing of the axis of the idler roller of left side belt vibrating roller pressure filter are linked with to push tensioning roll shaft respectively Third cylinder, the two end axles bearing of the axis of the idler roller of right side belt vibrating roller pressure filter is linked with to push respectively 4th cylinder of tight roll shaft；Motorized pulleys both ends spindle bearing holder bottom plate is driven, equipped with dovetail groove phase on dovetail groove, with rack Connection；Idler roller both ends spindle bearing holder bottom plate is equipped with dovetail groove on dovetail groove, with rack and is connected.
On the direction vertical with strainer width levels, layer-by-layer distribution device is set, layer-by-layer distribution device is that top is wide, lower part is narrow Groove body, upper tank body opposing lower portions groove body extends to the downstream direction of strainer, is provided in the lower part of the layer-by-layer distribution device Screw agitation shaft, screw agitation shaft extend along the width direction of strainer, and screw agitation shaft has from centre position to end positions The blade of different rotation directions, the both ends of screw agitation shaft, which are mounted on, to be arranged on the Sliding bush seat of lower groove body inner end, spiral Coaxial lower sprocket is provided on one end of agitating shaft, motor and speed reducer are provided with above layer-by-layer distribution device upper tank body, Upper sprocket wheel is provided on speed reducer output shaft, upper sprocket wheel is connected with lower sprocket by chain drive, and upper tank body is transported with respect to strainer The side in dynamic direction is provided with the top discharge gate extended along screw agitation shaft length direction, and top is connected with top discharge gate Discharge deflector chute, lower groove body are provided with the lower part extended along screw agitation shaft length direction with respect to the side of the strainer direction of motion Discharge gate is connected with lower part discharge deflector chute with lower part discharge gate, and the height of lower part discharge gate and the axle center of screw agitation shaft are high Spend essentially identical, the length of lower part discharge gate is less than the width of strainer, and the length of top discharge gate is less than the length of lower part discharge gate Degree.
The vibration section includes the high-frequency electromagnetic vibrator being mounted in upper braced frame, is set on high-frequency electromagnetic vibrator There is the exciting carrying roller contacted with strainer, vibration section is provided with multiple, high-frequency vibration and machine between guide roller and driven roller splenium Isolation rubber snubber block is provided between frame.
Further include matched auxiliaring equipment automatic drain cylinder and screw air compressor, the automatic drain cylinder respectively with the first exhausting Pipe is connected with the second exhaust column, and the screw air compressor is connected with automatic drain cylinder, and the screw air compressor also has and first The third air hose of the 4th cylinders of first air hose of cylinders and the second air hose of the second cylinders and third cylinder The 5th air hose that the 4th air hose being connected with blowing cover is connected with blow-off tube on the right side of the blow-off tube of left side, the first air hose, the second wind Numerical control pressure-control valve is respectively arranged on pipe, third air hose, usual pressure is respectively arranged on the 4th air hose and the 5th air hose Flow control valve, the squeeze pressure between the second extrusion dehydration roller and the second driving motorized pulleys are rolled more than the first extrusion dehydration Squeeze pressure between cylinder and the first driving motorized pulleys.
In the upper braced frame, being additionally provided between guide roller and driven roller splenium multiple prevents the anti-of strainer sideslip Inclined carrying roller, anti-bias carrying roller be provided at both ends with diameter more than idler diameter, there is constant slope, circle for correcting strainer position Disk；The guide roller and the first extrusion dehydration roller, that the both ends of the second extrusion dehydration roller are respectively provided with diameter is big In diameter of cylinder, there is constant slope, disk for correcting strainer position, the rotation linear velocity of the disk and strainer Movement velocity is identical.The movement velocity of the left side belt vibrating roller pressure filter strainer and right side belt vibrating roller pressure filter The movement velocity of strainer is identical, and in the lower support frame, multiple be used for is additionally provided between driven roller splenium and idler roller Support the flat carrier roller of strainer；Drive motorized pulleys, can with frequency control, using realize filter bag horizontal movement speed as 0.15m/s ~ Continuous speed adjustment between 0.5m/s.
The guide roller, exciting carrying roller, idler roller, the first driving motorized pulleys, the surface of the second driving motorized pulleys are equal Rubber layer is respectively arranged with, driving motorized pulleys glue-line has netted ditch to increase the friction drive of driving filter bag in glue-line Slot, so that liquid is discharged in time to both ends and lower part.
Adherent layer is coated between upper flat carrier roller and lower flat carrier roller.
Cleaning spray header is equipped in the dead band of double-side filtering band lower part, dead band strainer is rinsed.
Beneficial effects of the present invention are as follows：
（1）On left side strainer and right side strainer simultaneously cloth, filtering layer is relatively thin, be conducive to vibration dehydration and gravity dehydration；It is squeezing Press-dehydrating and drying drying zone, two filter bag superpositions, filter cake superposition are conducive to extrusion dehydration.Due to the object close to filter bag Expect for that compared with coarse granule and floc sedimentation, can prevent subparticle from being squeezed out from strainer, prevent filtrate from running mixed；Due between two filter bags It is thicker to wrap up in the filter cake taken, does not generate fretting wear between two filter bags, extends strainer service life；
（2）Compared with conventional belt filter press, the machine filter bag movement locus is easier, and winding crush zone is shorter, filter bag The tensile force born is smaller, uniform using annular filter belt wear, and filter belt life extends one times or more；
（3）Compared with conventional belt filter press, due to left side and two, right side filter bag cloth, and filter bag operation speed simultaneously Degree can improve, more than production capacity doubles；
（4）As a result of multiple technologies such as flocculation, precoat, vibration, vacuum filtration, roll-in, dryings, filter cake liquid content is low, Filtrate impurity content is low, and separation of solid and liquid efficiency greatly improves；
（5）Layer-by-layer distribution " precoat " filtering technique is employed, using the flocculation and gravity of mud from graded characteristics, being deposited in The coarse granule and floc sedimentation substance of layer-by-layer distribution device bottom are used as " precoat " material, eliminate non-slurry material paving in the prior art The use of underbed material reduces energy consumption and cost, particularly with the smaller subparticle mud of viscosity ratio, as a result of layering cloth Expect " precoat " filtering technique, can not also add or add flocculant less, reduce flocculant use cost；
（6）Energy consumption is far below traditional vacuum filter and chamber filter press；
（7）Due to taking off filter cake technology using pressure wind, and what is be in close contact with strainer is larger particles solid material, filter bag It is less to be bonded filter residue, is easier to clean, it is possible to reduce strainer cleaning water consumption；
（8）Since using automatic charging, automatic discharge and automatic cleaning, automatic program control, hand labor intensity is low, operation ring Border condition is good.
（9）Spiral layer-by-layer distribution device, which ensures to be fed on strainer, does not uniformly generate weighting load, ensure filter bag not sideslip, Even running.
（10）Due to being provided with filter bag positioning disk, performance is oriented to edger roll better than filter bag, avoids filter bag sideslip, rubs Tear phenomenon is wiped, greatly improves filter bag service life
（11）When filter cake is by between extrusion dehydration roller and driving motorized pulleys, press-dehydrating is squeezed, extrusion dehydration roller is with driving Squeeze pressure between dynamic motorized pulleys is adjustable, in the surface through-hole of extrusion dehydration roller, exhausting groove, hollow shaft and exhaust column Under effect, cake dewatering efficiency can be further improved, reduces the liquid content of filter cake.
（12）Motorized pulleys rotating speed is adjusted using frequency control, makes drum movement speed can be between 0.15m/s-0.5m/s Speed is adjustable.
Therefore the machine, which has, to continuously run, capacity efficiency is high, solid-liquid separation efficiency is high, washable, strainer long lifespan, energy Consume the advantages such as low, flocculant usage amount is few, cleaning water consumption is few, labor intensity is low, production cost is low.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be apparent that, the accompanying drawings in the following description is only the embodiment of the present invention, common for this field For technical staff, without having to pay creative labor, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the vertical view of the present invention.
Specific embodiment
In order to make the technical purpose of the present invention, technical solution and advantageous effect clearer, below in conjunction with the accompanying drawings and specifically Embodiment is further illustrated technical scheme of the present invention.
As depicted in figs. 1 and 2, novel band vibrating roller press filtering device of the present invention is oppositely arranged side by side including left and right Belt vibrating roller pressure filter, belt vibrating roller pressure filter respectively includes rack 1, including horizontally disposed upper braced frame 101 and lower support frame 102, upper 101 upstream end thereof of braced frame is provided with layer-by-layer distribution device 2, along the flow direction of material, rack Guide roller 3, vibration section 4, driven roller splenium 5 and idler roller 6 are disposed on 1, layer-by-layer distribution device 2 is located at the upper of guide roller 3 Trip, layer-by-layer distribution device 2 close to guide roller 3, guide roller 3, vibration section 4, driven roller splenium 5 and idler roller 6 in rack 1 Surface is provided with annular filter band 7.
The filter bag of left side belt vibrating roller pressure filter moves from left to right in upper braced frame upper edge arrow W, right side The filter bag of belt vibrating roller pressure filter moves from right to left in upper braced frame upper edge arrow P.In gravity and vibration Under effect, the liquid in slurry is filtered to by the filter opening on strainer 7 under strainer 7, below upper 101 upstream end of braced frame The filtrate receiving slit 8 for receiving filtrate is provided with, is provided with to receive washing for washing lotion below upper 101 downstream of braced frame Liquid receiving slit 9, the downstream of filtrate receiving slit 8 is with the upstream end of washing lotion receiving slit 9 in the same of upper 101 middle part of braced frame Position is connected, and the top of washing lotion receiving slit 9 is provided with washing pipe 10 for washing material positioned at the top of strainer 7, in slurry Liquid in the upstream end of strainer 7（Upper 101 upstream end of braced frame）It is filtered, in the position of upper 101 middle part of braced frame Place is put, is sprayed water on strainer 7 by washing pipe 10, it is remaining in filter cake to clean the filter cake that is formed after material-mud tentatively filtering Liquid and fine particle under the action of ejected wash water by strainer hole enter lower section washing lotion receiving slit 9.
The downstream of the filtrate receiving slit 8 is with the upstream end of washing lotion receiving slit 9 in the same of upper 101 middle part of braced frame One position is connected so that the liquid in material all flows into filtrate receiving slit 8 and washing lotion receiving slit 9, without flowing directly to ground Pollution is formed on face.Filtrate and washing lotion enter the sedimentation basin of device external by pipeline respectively.
Preferably, the washing pipe 10 be arranged side by side have it is multiple, fully to clean filter cake, it is furthermore preferred that washing pipe 10 are arranged on the position above the upstream end of washing lotion receiving slit 9, make filter cake be cleaned after and before reaching driven roller splenium 5, It has enough time so that remaining liquid and fine particle in ejected wash water and filter cake are filtered by filter opening, is formed smaller aqueous The filter cake of amount.
Primary filter cake subsequently enters driven roller splenium 5, and the filter cake formed on the filter strainer 7 in left side enters first order drive Dynamic roll-in portion 5 forms superposition filter cake in driven roller splenium inlet, into first order extrusion dehydration.
Driven roller splenium positioned at the belt vibrating roller pressure filter in left side includes be arranged in upper braced frame 101 the One extrusion dehydration roller 51 and the second driving motorized pulleys 52 being arranged in lower support frame 102, the belt positioned at right side are shaken The driven roller splenium of dynamic roll-in filter includes the second extrusion dehydration roller 53 being arranged in lower support frame 102 and is arranged on The first driving motorized pulleys 54 in upper braced frame 101.
The first order drives roll-in by the first extrusion dehydration roller 51 in braced frame 101 upper on the left of being arranged on and is arranged on The first driving motorized pulleys 54 on right side in braced frame 101 are formed, and the second level drives roll-in, and by being arranged on, left side is lower to be supported Second on frame 102 the second extrusion dehydration roller 53 for driving motorized pulleys 52 and being arranged in the lower support frame 102 of right side It forms, the first extrusion dehydration roller 51 is oppositely arranged with the first driving motorized pulleys 54, the second extrusion dehydration roller 53 and second Driving motorized pulleys 52 are oppositely arranged, and forming first between the first extrusion dehydration roller 51 and the first driving motorized pulleys 54 squeezes Gap forms the second top clearance around the strainer of left side driven roller splenium and between the strainer of right side driven roller splenium, Third top clearance is formed between second extrusion dehydration roller 53 and the second driving motorized pulleys 52.
In the present embodiment, the driving wheel of left side strainer 7 is the second driving motorized pulleys 52, and the driving wheel of right side strainer 7 is First driving motorized pulleys 54, in the width direction of strainer 7, the second driving motorized pulleys 52 and first drive motorized pulleys 54 Special elongate structure is respectively adopted, axial length is up to 2~4 meters, therefore, can increase the width of strainer, make the width of strainer can Up to 2~4 meters, production efficiency is improved so as to increase filter area.
First driving motorized pulleys 54 and second drive the lower part of 52 two end axles bearing of motorized pulleys to be respectively equipped with dovetail Slot couples with rack, compact-sized, and occupied space is few, is conducive to translate in the case where squeezing cylinder and pushing.First driving motorized pulleys 54 and second drive the surface of motorized pulleys 52 encapsulated, increase the driving frictional force to filter bag, and imitate with buffering is squeezed Fruit.By the driving motor of motorized pulleys 52 being driven to carry out frequency control the first driving motorized pulleys 54 and second, can make The continuous arbitrary adjustment between 0.15m/s~0.5m/s of the speed of service of filter bag, can be according to the different situations tune of filtering mud Whole belt speed, to reach best filter effect.
In the present embodiment, the first extrusion dehydration roller 51, the second extrusion dehydration roller 53, first driving motorized pulleys 54, The diameter of second driving motorized pulleys 52 is identical.
Filter cake forms superposition filter cake between the first top clearance, and superposition filter cake is between the first top clearance, second squeeze By sequence extrusion dehydration between gap and third top clearance, after third top clearance, the water content in superposition filter cake is very It is small.
It is provided with to make solid material to strainer blowing in the top in the downstream of the second driving motorized pulleys 52, left side strainer 7 The left side blow-off tube 12 detached with left side strainer 7 is set in the top of the downstream of the second extrusion dehydration roller 53, right side strainer 7 The right side blow-off tube 13 for solid material being made to be detached with right side strainer 7 to strainer blowing is useful for, is set in the lower section of lower support frame 102 Be useful for receiving the filter cake receiving slit of discharge, wind blows to filter cake by left side blow-off tube 12 and right side blow-off tube 13, make filter cake with Strainer 7 detaches, and filter cake is fallen into solid material receiving slit.Preferably, multiple left side blow-off tubes 12 and right side blow-off tube are respectively arranged with 13, filter cake is effectively ensured and is detached with strainer 7.
After filter cake is detached with strainer 7, remaining solid material is seldom on strainer 7, is set in the top of lower support frame 102 The pressure cleaning showers water pipe 11 of cleaning strainer 7 is useful for, the ejected wash water cleaned in water pipe 11 sprays to strainer 7 to clean strainer, So as to which strainer 7 be made preferably to enter next filtration cycle operation, therefore, the utility model belt vibrating roller press filtering device can have The realization of effect is worked continuously.
Preferably, multiple cleaning water pipes 11 are provided on the dead band strainer of lower support frame 102.
The blowing cover 14 for drying to strainer is provided at the second top clearance, blowing cover 14 is bound up in rack 1, Between setting holddown spring ensure blowing cover be adjacent to filter bag.Wind is blowed to by cover 14 of drying between left side strainer and right side strainer On the filter cake at the second top clearance formed, accelerate cake dewatering, reduce the water content of filter cake.
Pressure wind is carried out to the filter cake after the extruding of the first top clearance to do, and can further exclude the liquid in filter cake, The pore channel in filter cake can also be improved, in favor of the discharge of filter cake filtrate when third top clearance squeezes.Using pressure wind Stripping filter cake reduces strainer slag inclusion phenomenon, reduces the dosage of ejected wash water.
The whole surface of the first extrusion dehydration roller 51 is uniformly distributed with through-hole, and the first extrusion dehydration roller 51 has Have and do not fix hollow shaft 55 with first that the first extrusion dehydration roller 51 rotates, hollow shaft is fixed in the first extrusion dehydration roller 51 On be additionally provided with the first exhausting groove 56, in the first extrusion dehydration roller 51 in the radial direction, the bottom end of the first exhausting groove 56 with First fixation hollow shaft 55 is connected, and the inlet scoop of 56 other end of the first exhausting groove is close to the interior table of the first extrusion dehydration roller 51 Face and opposite first top clearance inlet setting, the inlet scoop of the first exhausting groove 56 and the interior table of the first extrusion dehydration roller 51 Felt seal pad is provided between face, the outer end of the first hollow shaft 55 is communicated with the first exhaust column 15, the first exhausting by flange Pipe 15 is connected with automatic drain cylinder.Ensure that the liquid that the first order squeezes is discharged in time.
Second driving motorized pulleys 52 drive strainer rotation, and strainer drives the first extrusion dehydration roller 51 to rotate, and first squeezes Press-dehydrating roller 51 is connected with the first fixation hollow shaft 55 by bearing, and the first fixation hollow shaft 55 does not rotate, and both ends are fixed In rack.
In the present embodiment, an outer end of the first hollow shaft 55 is communicated with the first exhaust column 15, however, the present invention is not limited thereto, When filter bag is wide, those skilled in the art can also be respectively communicated with described first in two outer ends of the first hollow shaft 55 and take out Air hose 15.
Second extrusion dehydration roller 53 is identical with 51 structure of the first extrusion dehydration roller, and the second extrusion dehydration roller 53 is set There are the second fixation hollow shaft 57, the second exhausting groove 58 and the second exhaust column 16, the second exhaust column 16 is connected with automatic drain cylinder.
In the present embodiment, a diameter of Ф of 53 surface through-hole of the first extrusion dehydration roller 51 and the second extrusion dehydration roller 3mm~Ф 5mm, 56 and second exhausting groove 58 of the first exhausting groove are respectively sector structure, the first exhausting groove 56 and second The inlet scoop angle of exhausting groove 58 is respectively 30 ° or so.
Less than the centre-height of the first driving motorized pulleys 54, second squeezes the centre-height of first extrusion dehydration roller 51 Centre-height of the centre-height less than the second driving motorized pulleys 52 of roller 53 is dehydrated, filter cake is squeezed by the first top clearance During press-dehydrating, it is hollow that the water in filter cake passes sequentially through the through-hole on 51 surface of the first extrusion dehydration roller, the first exhausting groove 56, first 55 and first exhaust column 15 of axis is discharged；When filter cake is squeezed press-dehydrating by third top clearance, the water in filter cake passes sequentially through The through-hole on 53 surface of the second extrusion dehydration roller, the second exhausting groove 58, the second hollow shaft 57 and the second exhaust column 16 are discharged.
Inner surface and opposite first top clearance of the inlet scoop of first exhausting groove 56 close to the first extrusion dehydration roller 51 Inlet is set, and when the first extrusion dehydration roller 51 rotates, the first hollow shaft 55 and the first exhausting groove 56 do not rotate, and are conducive to filter Liquid is all entered by the through-hole on 51 surface of the first extrusion dehydration roller in the first exhausting groove 56 opposite with the first top clearance, The exhausting area of first exhausting groove 56 is only limitted near the first top clearance, and the inlet scoop of the first exhausting groove 56 squeezes de- with first Felt seal pad is provided between the inner surface of water roller 51, it is therefore desirable to which less exhausting amount can generate larger vacuum and bear Pressure, can in time aspirate the liquid squeezed out the liquid content for into automatic drain cylinder, reducing filter cake.Furthermore, it is possible to according to first The installation position of top clearance adjusts position and the angle of the first exhausting groove 56 manually.
Likewise, the inlet scoop of the second exhausting groove 58 is squeezed close to the inner surface of the second extrusion dehydration roller 53 and opposite third Gap inlet setting is pressed, when the second extrusion dehydration roller 53 rotates, the second hollow shaft 57 and the second exhausting groove 58 do not rotate, and have Second exhausting opposite with third top clearance is all entered by the through-hole on 53 surface of the second extrusion dehydration roller conducive to filtrate In slot 58,58 exhausting area of the second exhausting groove is only limitted near third top clearance, the inlet scoop and second of the second exhausting groove 58 Felt seal pad is provided between the inner surface of extrusion dehydration roller 53, it is therefore desirable to which less exhausting amount can generate larger Negative pressure of vacuum can in time aspirate the liquid squeezed out the liquid content for into automatic drain cylinder, reducing filter cake.Furthermore, it is possible to root According to the installation position of third top clearance, position and the angle of the second exhausting groove 58 are adjusted manually.
The two end axles bearing of first main shaft of the first driving motorized pulleys 54 is linked with to push the first master respectively Axis moves the first cylinder 18 to adjust the squeeze pressure between the first extrusion dehydration roller 51 and the first driving motorized pulleys 54, It is described second driving motorized pulleys 52 the second main shaft two end axles bearing be linked with respectively for push the second motion of main shaft with Adjust the second cylinder 17 of the squeeze pressure between the second extrusion dehydration roller 53 and the second driving motorized pulleys 52, left side belt The two end axles bearing of the axis of the idler roller 6 of vibrating roller pressure filter is linked with that tensioning roll shaft is pushed to move to adjust a left side respectively The third cylinder 19 of side strainer rate of tension, the both ends of the axis of the idler roller 6 of right side belt vibrating roller pressure filter are respectively arranged with For tensioning roll shaft to be pushed to move the 4th cylinder 20 to adjust right side strainer rate of tension.
First driving motorized pulleys 54, second are driven between motorized pulleys 52 and the pedestal base and rack of idler roller 6 Respectively coupled by dovetail groove, under cylinder promotion, can relative motion in the lateral direction, so as to adjust squeeze it is flexible It is flexible with tensioning.
It can be by between the first cylinder 18 of operation adjusting the first driving 54 and first extrusion dehydration roller 51 of motorized pulleys Top clearance pressure, by operate the second cylinder 17 adjust the second driving motorized pulleys 52 and second extrusion dehydration roller 53 it Between top clearance pressure；Squeeze pressure determines the pressure and de- liquid effect to filter cake, it is preferred that the second driving motorized pulleys 52 and the second squeeze pressure between extrusion dehydration roller 53 be more than the first driving 54 and first extrusion dehydration roller of motorized pulleys Squeeze pressure between 51.
The tensile force of left side strainer is adjusted by the pressure control in third cylinder 19, passes through the air pressure in the 4th cylinder 20 Control to adjust the tensile force of right side strainer, it is preferred that the tensile force of left side strainer is identical with the tensile force of right side strainer.Cylinder 19th, 20 by an air hose air feed, and same pressure-control valve 107 controls wind pressure identical, and both cylinders 19,20 specification is identical, Ensure that tensile force is identical.
The layer-by-layer distribution device 2 is spiral layer-by-layer distribution device, is arranged on the direction vertical with strainer width levels, spiral Layer-by-layer distribution device 2 is the groove body that top is wide, lower part is narrow, and upper tank body opposing lower portions groove body extends to the downstream direction of strainer, institute It states and screw agitation shaft 21 is provided in the lower part of layer-by-layer distribution device 2, screw agitation shaft 21 extends along the width direction of strainer 7, Fig. 1 The direction of middle arrow W is the length direction of strainer 7, and the direction with the length direction horizontal vertical of strainer 7 is the width side of strainer 7 To.
Screw agitation shaft 21 has the blade of different rotation directions from centre position to end positions, is more conducive to material-mud Stirring and to filter bag width direction uniform distribution, the rear and front end of screw agitation shaft 21, which is mounted on, to be arranged in lower groove body On the Sliding bush of end, coaxial lower sprocket 22, layer-by-layer distribution device upper tank body are provided on one end of screw agitation shaft 21 Top is provided with motor 23 and speed reducer, and upper sprocket wheel 24 is provided on speed reducer output shaft, and upper sprocket wheel 24 and lower sprocket 22 are logical It crosses chain 25 to be sequentially connected, the driving force of motor 23 is transferred to upper sprocket wheel 24 by speed reducer, and upper sprocket wheel 24 drives chain 25 Rotation, chain 25 drive lower sprocket 22 to rotate, and lower sprocket 22 drives screw agitation shaft 21 to rotate.It is stirred in screw agitation shaft 21 Under, by the mud that feed pipe 110 enters in the middle part of the groove body to conveying in entire groove body length, i.e., to filter bag width direction Uniform distribution, the feed inlet of the feed pipe 110 are located at the centre position of lower groove body left side wall or bottom.
On the right side of upper tank body（I.e. with respect to the side of the strainer direction of motion）It is provided with the length direction along screw agitation shaft 21 （That is strainer width direction）The top discharge gate of extension is connected with top discharge deflector chute 26, top discharge with top discharge gate The material of mouth discharge is drained by top discharge deflector chute 26 on strainer, on the right side of lower groove body（I.e. with respect to the one of the strainer direction of motion Side）The lower part discharge gate extended along 21 length direction of screw agitation shaft is provided with, being connected with lower part discharge with lower part discharge gate leads Hopper 27, the material of lower part discharge gate discharge are drained by lower part discharge deflector chute 27 on strainer, the height and spiral shell of lower part discharge gate The axle center height for revolving agitating shaft 21 is essentially identical, and the material of discharge is made to be evenly distributed on strainer, in strainer width direction, under The length of portion's discharge gate is less than the width of strainer 7, makes all to drain on strainer from the material that lower part discharge gate is discharged, it is preferred that on The length of portion's discharge gate is less than the length of lower part discharge gate.The grout of top discharge gate discharge is evenly distributed in lower part discharge The upper strata of the thick slurry material of mouth discharge.Distance of the top deflector chute away from filter bag is more than distance of the lower part deflector chute away from filter bag.
In the present embodiment, upper tank body and lower groove body are integrally formed, from the lower position of the top discharge gate of upper tank body to Lower groove body, the width of the upper tank body taper into.
In the present embodiment, top discharge deflector chute is arranged in parallel with lower part discharge deflector chute.
The discharge port of top discharge deflector chute 26 is located at the downstream of 27 discharge port of lower part discharge deflector chute, is deposited under groove body The coarse granule and floc sedimentation material in portion are discharged into beforehand through lower part discharge deflector chute 27 on strainer, are formed " precoat ", not flocculated Mud the top of filter bag " precoat " is discharged by top discharge deflector chute 26.
The present embodiment uses flocculation and gravity of the spiral layer-by-layer distribution device using mud from graded characteristics, advance on strainer One layer of discharge forms " precoat " filter layer compared with the material of coarse granule and floc sedimentation substance, then again slurry drainage to " precoat " Top is filtered, and can form stable filter cake, reduces impurity content in filtrate.
The vibration section 4 includes the high-frequency electromagnetic vibrator 41 being mounted in upper braced frame 101, high-frequency electromagnetic vibrator The exciting carrying roller 42 contacted with strainer 7 is provided on 41, vibration section 4 is provided with more between guide roller 3 and driven roller splenium 5 It is a.High-frequency electromagnetic vibrator 41 vibrates, and makes 42 up-down vibration of exciting carrying roller, so as to drive 7 up-down vibration of strainer, accelerates to mud The dewatering and filtering of material.
The electric current and frequency of electromagnetic high-frequency vibrator 41 can continuously adjust, by adjusting current control amplitude, and it is automatic Tracking frequency is realized to work in resonance region, to realize stronger vibration dehydrating effect with smaller power consumption.Using feedback fixed ampllitude skill Art and stepping limiting technology stabilized amplitude, with low energy consumption, the effect of amplitude stability, low noise.Electromagnetic high-frequency vibrator 41 with Equipped with damping rubber plate between rack 1, reduce noise, reduce frame vibration.
Under being acted in vibration section 4, dehydration efficiency height, the dewatering speed of material-mud are fast, are also taken off again for the washing of primary filter cake Water creates condition.The extrusion dehydration of next step can easier be entered through dewatered primary filter cake.
Novel band vibrating roller press filtering device further includes matched auxiliaring equipment automatic drain cylinder 103 and screw air compressor 104, the automatic drain cylinder 103 is connected respectively with the first exhaust column 15 and the second exhaust column 16, passes through 15 He of the first exhaust column The filtrate of second exhaust column 16 discharge is discharged after draining into automatic drain cylinder 103.
The screw air compressor 104 is connected with automatic drain cylinder 103, and the screw air compressor 104 also has and the first gas The first connected air hose of cylinder 18 and connected the second air hose of the second cylinder 17 be connected with third cylinder 19, the 4th cylinder 20 the The 5th air hose that three air hoses are connected with the 4th air hose that blowing cover 14 is connected with 12 right side blow-off tube 13 of left side blow-off tube.
Screw air compressor 104 provides wind pressure by the first air hose to the first cylinder 18, and the first cylinder 18 is pushed to move, and first The first numerical control pressure-control valve 106 is provided on air hose, for regulating and controlling wind pressure, controls the pressure in the first cylinder 18.
The screw air compressor 104 provides wind pressure by the second air hose to the second cylinder 17, and the second cylinder 17 is pushed to move, The second numerical control pressure-control valve 105 is provided on second air hose, for regulating and controlling wind pressure, controls the pressure in the second cylinder 17.It is logical The adjusting of the first numerical control pressure-control valve 106 and the adjusting of the second numerical control pressure-control valve 105 are crossed, control second squeezes de- Water roller 53 and second drives the squeeze pressure between motorized pulleys 52 to be more than the first extrusion dehydration roller 51 and the first driving electricity Squeeze pressure between dynamic roller 54.
Preferably, the wind pressure in the first cylinder 18 and the second cylinder 17 can respectively by pressure control force control valve 0.4 ~ It is continuously adjusted between 0.8MPa.
The screw air compressor 104 provides wind pressure by third air hose to 19 and the 4th cylinder 20 of third cylinder, pushes the Three cylinders 19 and the 4th cylinder 20 move, and third numerical control pressure-control valve is provided on third air hose, for regulating and controlling wind pressure, regulation and control Tensile force makes third cylinder 19 identical with the pressure in the 4th cylinder 20, so as to make the tensile force of left side strainer and right side strainer It is identical.
The main shaft two end axles bearing bottom of idler roller 6 is connect equipped with dovetail groove with rack, third cylinder 19, the 4th cylinder 20 By the way that idler roller 6 is promoted to translate the tensioning realized respectively to left side and right side filter bag, to ensure the stable operation of filter bag.This In embodiment, idler roller 6 can arbitrarily adjust the tensile force of strainer between 2kN/m ~ 5kN/m.
Idler roller 6 has the function of to be tensioned strainer and changed course strainer simultaneously so that structure of the present invention is simpler, compact.
The screw air compressor 104 covers 14 air feeds by the 4th air hose to blowing, and usual pressure is provided on the 4th air hose Flow control valve 107 for controlling wind pressure and exhaust air rate, is provided on blowing cover 14 and is connect for the air hose being connect with the 4th air hose Mouth 141；The screw air compressor 104 is by the 5th air hose 12 right side blow-off tube of blow-off tube, 13 air feed to the left, on the 5th air hose Usual pressure flow control valve is provided with, for controlling wind pressure and exhaust air rate.Blowing cover is equipped with pressure bullet between being coupled with rack Spring ensures that blowing cover is adjacent to filter bag, reduces blowing cover surrounding and leaks out.
Preferably, regulated and controled by numerical control pressure-control valve, pressure in the first cylinder 18 is made to be more than third cylinder 19 and the The pressure of four cylinders 20.
Therefore, it is aspirated from screw air compressor 104 from the first extrusion dehydration roller 51 and the second extrusion dehydration roller 53 Air, on the one hand to the first cylinder 18, the second cylinder 17, third cylinder 19, the 4th cylinder 20 provide wind pressure, give full play to it Power acts on, and the filtrate extracted out through the first exhaust column 15 and the second exhaust column 16 enters automatic drain cylinder 103 and excludes, and gas enters Screw air compressor 104 generates pressure wind；On the other hand to blowing cover 14 and 12 right side blow-off tube of left side blow-off tube, 13 air feed, lead to Usual pressure flow valve is crossed, adjusts air draft pressure and exhaust air rate, ensure the exhaust air rate of screw air compressor 104 and takes out air balance.
In the upper braced frame 101, being additionally provided between guide roller 3 and driven roller splenium 5 multiple prevents strainer from running Inclined anti-bias carrying roller 108 in the lower support frame 102, is additionally provided with multiple use between driven roller splenium 5 and idler roller 6 In the flat carrier roller 109 of support strainer 7.
The guide roller 3 be provided at both ends with diameter more than 3 diameter of guide roller, have constant slope, for entangling The rolling fin of positive strainer position.The both ends of the first extrusion dehydration roller 51 and the second extrusion dehydration roller 53 are respectively set Be equipped with diameter more than extruding drum diameter, there is constant slope, rolling fin for correcting strainer position, strainer is carried out Sequence is oriented to correction, while has the function of to prevent from squeezing filtrate along roller axial leakage.The velocity of rotation of the rolling fin with The velocity of rotation of strainer is identical, phenomena such as preventing strainer generation friction, fold, tear.The left side belt vibrating roller press filtration The velocity of rotation of machine filter band is identical with the velocity of rotation of right side belt vibrating roller pressure filter strainer.
In the present embodiment, the both ends of idler roller 6 are equally respectively arranged with rolling fin, prevent strainer sideslip.
In the present embodiment, the first driving motorized pulleys 54 and second drive motorized pulleys 52 to make respectively by frequency control Strainer speed can continuously adjust between 0.15 ~ 0.5m/s.Above-mentioned two driving wheel uses a set of frequency conversion speed-adjusting system, to ensure Left side strainer and right side strainer speed sync.
The guide roller 3, exciting carrying roller 42, idler roller 6, first drive motorized pulleys 54, second to drive motorized pulleys 52 Surface be respectively provided with rubber layer, have vibration damping and cushioning effect.Anti-bias carrying roller 108,109 surface of flat carrier roller, which is coated with, does not glue Layer, prevents bonding slurry.
In the present embodiment, strainer 7 uses polypropylene woven net, and string diameter and aperture can be thick according to the different slurries of filtering and filter cake Degree selection can weave by thermal welding or directly, form endless belt, ensure that connector uniform force, connection are smooth.
In the present embodiment, wash spray water and dead band filter cloth ejected wash water are provided by workshop pressure water, it is desirable that the pressure of water ≥0.25MPa.Wash spray water pipe, dead band strainer cleaning water pipe, blower three's structure are identical.
In the present embodiment, first driving motorized pulleys 54, second drive motorized pulleys 52, the first extrusion dehydration roller 51, Second extrusion dehydration roller 53, idler roller 6, guide roller 3, anti-bias carrying roller 108, flat carrier roller 109, exciting carrying roller 42 bearing adopt With bearing is sealed, to prevent mud from entering.
In the present embodiment, square steel welding is respectively adopted in left side rack and right side rack, passes through bolt or weldering after mounting and adjusting It connects and is connected.With higher intensity and vibration resistance.
In the present embodiment, it is also equipped with centralized Control operation console and is controlled into line program, can also realize remote control, be set in rack There is urgent protection cut-off switch, it can be achieved that accident emergency shutdown.
It, need to be to institute if the utility model belt vibrating roller press filtering device is filtered dehydration for the mud to high acid-base value There are parts using corrosion protection design, carry out preservative treatment.
During work, it is concentrated after mud and flocculant enter spiral layer-by-layer distribution device 2 in the middle part of the distributing device groove body, through institute It states screw agitation shaft 21 to be mixed and convey to filter bag width direction, lower part coarse granule and floc sedimentation material pass through spiral successively The lower part discharge gate and lower part discharge deflector chute 27 of layer-by-layer distribution device 2 are uniformly arranged onto filter cloth 7, coarse granule and floc sedimentation material edge The width direction arrangement of strainer 7, forms " precoat " filtering layer；Fine grained and flocculated mud is had not enough time to, arranged successively through top Material mouth and top discharge deflector chute 26 are discharged on filter cloth 7, and positioned at the top of coarse fodder layer " precoat ".
In the case where driving motorized pulleys drive, continuous moving, filter cloth 7 and mud shake slurry in high-frequency electromagnetic forward on strainer 7 Dynamic device 41 and exciting carrying roller 42 do the small size up-down vibration of high frequency under driving, and liquid is under the action of vibration force and gravity, by giving Coating filtering layer and strainer 7 are discharged to filtrate receiving slit 8 and arrange at home and abroad.
The washed water spray of water pipe 10 washing of filter cake after preliminary hydro-extraction, then slough cleaning solution through vibration and (do not need to That washs does not have to the washing of the water spray of washing pipe 10), washing lotion enters outer row after washing lotion receiving slit 9.
On left side strainer and right side strainer it is washed after primary filter cake, with strainer 7 in the first extrusion dehydration roller 51 and first drive 54 junction of motorized pulleys to form superposition, and the first driving motorized pulleys 54 are being connected to main shaft bearings at both ends It under 18 pressure of the first cylinder on seat pushes, is squeezed to the first extrusion dehydration roller 51, makes filter cake compression dehydration.
The filtrate squeezed out is deposited in the contact line front left of the first extrusion dehydration roller 51 and the first driving motorized pulleys 54 In filter cake between side strainer and right side strainer, 51 surface of the first extrusion dehydration roller is dropped onto, in the pumping of screw air compressor 104 Under wind effect, liquid is successively through fixed in the through-hole, the first extrusion dehydration roller 51 on 51 surface of the first extrusion dehydration roller First exhausting groove 56, the first hollow shaft 55 and the first exhaust column 15 enter automatic drain cylinder 103, discharge filter (washing) liquid, and wind enters Screw air compressor 104 compresses, and pressure wind-power is provided to the first cylinder 18, the second cylinder 17, third cylinder 19, the 4th cylinder 20, It is discharged simultaneously to blowing cover 14 and left side blow-off tube 12,13 air feed of right side blow-off tube.
Later, filter cake two strainers take wrap up in it is lower to the second extrusion dehydration roller 53 and the second driving motorized pulleys 52 it Between the movement of third top clearance, 14 done therebetween by blowing cover by wind, the partially liq in filter cake can be discharged, then passed through again It crosses the second extrusion dehydration roller 53 to be dehydrated, through-hole of the liquid of extrusion through 53 surface of the second extrusion dehydration roller, second, which squeeze, to be taken off Fixed second exhausting groove 58, the second hollow shaft 57 and the second exhaust column 16 enter automatic drain cylinder 103, discharge in water roller 53 (washing) liquid is filtered, wind enters screw air compressor 104 and compresses, to the first cylinder 18, the second cylinder 17, third cylinder 19, the 4th cylinder 20 provide pressure wind-power, while discharge to blowing cover 14 and left side blow-off tube 12,13 air feed of right side blow-off tube.
Then, filter cake is after two strainers separate, by 13 stripping of left side blow-off tube 12 and right side blow-off tube, filter cake and strainer After disengaging, the receiving slit (or receiving conveyer belt) of lower part is fallen into.
Dead band strainer after discharging is after cleaned 11 spraying-rinsing of water pipe, after idler roller 6 and guide roller 3 are adjusted, into Enter next cycle operation.
Left side of the invention and two, right side filter bag carry mud load, are laminated into roll-in phase, form filter cake Compared with it is thick, belt wear is few for filtering, utilization ratio is high.The present invention is since left side and two, right side driven roller splenium are simple in structure, wind Number is few, can be run with higher belt speed, can improve production capacity and efficiency.
Filtering belt lacing uniform force, connection are smooth；Ensure that feed does not uniformly generate weighting by spiral layer-by-layer distribution device Load；Ensure the first driving motorized pulleys, the second driving motorized pulleys, left side idler roller, right side by numerical control pressure-control valve The cylinder wind pressure at the respective main shaft both ends of idler roller is identical, travel synchronization；It may therefore be assured that filter bag not sideslip, steady Operation.
The layered distributing device of slurry uniformly in arrangement to ring-shaped filtering belt, forms primary filter cake, so through gravity and vibration dehydration It is done by first time extrusion dehydration, pressure wind, second of extrusion dehydration, forms filter cake, continuously decrease filter cake liquid content, reach The purpose of separation of solid and liquid.
It should be noted last that：Technical scheme of the present invention that the above embodiments are only illustrative and not limiting is any right The equivalent replacement and do not depart from the modification of spirit and scope of the invention or part replacement that the present invention carries out, should all cover in this hair Within bright protective scope of the claims.

Claims (10)

1. a kind of novel band vibrating roller press filtering device, which is characterized in that vibrate roll-in including the belt that left and right is oppositely arranged Filter, belt vibrating roller pressure filter respectively include rack, and rack includes horizontally disposed upper braced frame and lower support Frame, upper braced frame upstream end thereof are provided with layer-by-layer distribution device, and along the flow direction of material, guiding is disposed in rack Roller, vibration section, driven roller splenium and idler roller, the table of guide roller, vibration section, driven roller splenium and idler roller in rack Face is provided with ring-shaped filtering belt, and layer-by-layer distribution device slurry is uniformly in arrangement to strainer, and setting is useful below upper braced frame upstream end The washing lotion receiving slit for receiving washing lotion, filter are provided with below the filtrate receiving slit for receiving filtrate, upper braced frame downstream The downstream of liquid receiving slit is connected with the upstream end of washing lotion receiving slit in the same position of upper braced frame middle part, and washing lotion connects It receives the top of slot and the washing pipe for washing material is provided with above strainer, in the top of lower support frame, left and right two The dead band top of strainer is respectively provided with the pressure cleaning showers water pipe of cleaning strainer；
Include be arranged in upper braced frame first positioned at the driven roller splenium of the belt vibrating roller pressure filter in left side to squeeze Dehydration roller and the second driving motorized pulleys being arranged in lower support frame, the belt vibrating roller pressure filter positioned at right side Driven roller splenium includes the second extrusion dehydration roller being arranged in lower support frame and be arranged in braced frame first Motorized pulleys are driven, the first extrusion dehydration roller drives motorized pulleys to be oppositely arranged with first, the second extrusion dehydration roller and the Two driving motorized pulleys are oppositely arranged, and are formed between the first extruding between the first extrusion dehydration roller and the first driving motorized pulleys Gap forms the second top clearance around the strainer of left side driven roller splenium and between the strainer of right side driven roller splenium, the Third top clearance, extrusion dehydration roller and the electronic rolling of driving are formed between two extrusion dehydration rollers and the second driving motorized pulleys Cylinder main shaft line and horizontal angle are between 40 ° ~ 50 °, and two strainer overlapping portions of left and right are with horizontal angle at 40 ° ~ 50 ° Between.
2. a kind of novel band vibrating roller press filtering device according to claim 1, which is characterized in that in the second driving electricity The left side stripping for solid material being made to be detached with left side strainer to strainer blowing is provided with above the downstream of dynamic roller, left side strainer Pipe is provided with solid material to be made to filter with right side to strainer blowing above the downstream of the second extrusion dehydration roller, right side strainer Right side blow-off tube with separation, in the lower section of lower support frame, corresponding filter cake exhaust position is provided with the filter for receiving solid material Cake receiving slit.
3. a kind of novel band vibrating roller press filtering device according to claim 2, which is characterized in that squeezed in two-stage de- Between water installations, two filter bag overlapping portions of left and right are provided with the blowing cover for drying to filter cake, and blowing cover is bound up in rack, Spring is equipped between blowing cover and rack, ensures that blowing cover is compressed to filter bag.
A kind of 4. novel band vibrating roller press filtering device according to claim 3, which is characterized in that the first extrusion dehydration The surface of roller is uniformly distributed with through-hole, and the first extrusion dehydration roller has not with the first of the rotation of the first extrusion dehydration roller Hollow shaft is fixed, is fixed on axis in the first extrusion dehydration roller and is additionally provided with the first exhausting groove, in the first extrusion dehydration roller In the radial direction, the bottom end of the first exhausting groove is connected with the first hollow shaft, and the inlet scoop of the first exhausting groove other end is close The inner surface of first extrusion dehydration roller and opposite first top clearance inlet setting, the inlet scoop of the first exhausting groove and first Felt seal pad is provided between the inner surface of extrusion dehydration roller, the outer end of the first hollow shaft is communicated with the first exhaust column, the Two extrusion dehydration rollers are identical with the first extrusion dehydration roller frame, and it is hollow that the second extrusion dehydration roller is provided with the second fixation Axis, the second exhausting groove and the second exhaust column, the centre-height of the first extrusion dehydration roller is less than in the first driving motorized pulleys Heart height, the centre-height of the second extrusion dehydration roller drive the centre-height of motorized pulleys less than second.
5. a kind of novel band vibrating roller press filtering device according to claim 4, which is characterized in that the first driving is electronic The two end axles bearing of first main shaft of roller is linked with the first cylinder for pushing the first main shaft, the second electronic rolling of driving respectively The two end axles bearing of second main shaft of cylinder is linked with the second cylinder for pushing the second main shaft, the vibration roll-in of left side belt respectively The two end axles bearing of the axis of the idler roller of filter is linked with the third cylinder for pushing tensioning roll shaft respectively, and right side belt is shaken The two end axles bearing of the axis of the idler roller of dynamic roll-in filter is linked with the 4th cylinder for pushing tensioning roll shaft respectively；Driving Motorized pulleys both ends spindle bearing holder bottom plate, is connected equipped with dovetail groove on dovetail groove, with rack；Idler roller both ends spindle bearing holder Bottom plate is equipped with dovetail groove on dovetail groove, with rack and is connected.
6. a kind of novel band vibrating roller press filtering device according to claim 5, which is characterized in that with strainer width On the direction of horizontal vertical, layer-by-layer distribution device is set, layer-by-layer distribution device is the groove body that top is wide, lower part is narrow, and upper tank body is opposite Lower groove body extends to the downstream direction of strainer, and screw agitation shaft, auger are provided in the lower part of the layer-by-layer distribution device Axis extends along the width direction of strainer, and screw agitation shaft has the blade of different rotation directions, spiral from centre position to end positions The both ends of agitating shaft are mounted on and are arranged on the Sliding bush seat of lower groove body inner end, are provided on one end of screw agitation shaft Coaxial lower sprocket, layer-by-layer distribution device upper tank body top are provided with motor and speed reducer, are provided on speed reducer output shaft Upper sprocket wheel, upper sprocket wheel and lower sprocket are connected by chain drive, and upper tank body is provided with edge with respect to the side of the strainer direction of motion The top discharge gate of screw agitation shaft length direction extension, top discharge deflector chute, lower groove body are connected with top discharge gate Side with respect to the strainer direction of motion is provided with the lower part discharge gate that extends along screw agitation shaft length direction, with lower part discharge gate It is connected with lower part discharge deflector chute, the height of lower part discharge gate and essentially identical, the lower part discharge of axle center height of screw agitation shaft The length of mouth is less than the width of strainer, and the length of top discharge gate is less than the length of lower part discharge gate.
A kind of 7. novel band vibrating roller press filtering device according to claim 6, which is characterized in that the vibration section packet The high-frequency electromagnetic vibrator in upper braced frame is included, the exciting support contacted with strainer is provided on high-frequency electromagnetic vibrator Roller, vibration section are provided with multiple between guide roller and driven roller splenium, and isolation rubber is provided between high-frequency vibration and rack Snubber block.
8. a kind of novel band vibrating roller press filtering device according to claim 7, which is characterized in that further include mating auxiliary Equipment automatic drain cylinder and screw air compressor are helped, the automatic drain cylinder is connected respectively with the first exhaust column and the second exhaust column, The screw air compressor is connected with automatic drain cylinder, the screw air compressor also have and the first cylinders the first air hose, The 4th wind being connected with the second air hose of the second cylinders with the third air hose of the 4th cylinders of third cylinder with blowing cover It manages and is set respectively on third air hose with the 5th air hose that is connected of blow-off tube on the right side of the blow-off tube of left side, the first air hose, the second air hose There is numerical control pressure-control valve, usual pressure flow control valve is respectively arranged on the 4th air hose and the 5th air hose, the second extruding is de- Squeeze pressure between water roller and the second driving motorized pulleys is more than the first extrusion dehydration roller and the first driving motorized pulleys Between squeeze pressure.
9. according to a kind of novel band vibrating roller press filtering device of claim 1 to 8 any one of them, which is characterized in that institute It states in braced frame, multiple anti-bias carrying rollers for preventing strainer sideslip is additionally provided between guide roller and driven roller splenium, prevent Inclined carrying roller be provided at both ends with diameter more than idler diameter, there is constant slope, disk for correcting strainer position；It is described to lead It is straight more than roller that diameter is respectively provided with to roller and the first extrusion dehydration roller, the both ends of the second extrusion dehydration roller Diameter has constant slope, disk for correcting strainer position, the rotation linear velocity of the disk and the movement velocity of strainer It is identical, the movement velocity of the left side belt vibrating roller pressure filter strainer and the fortune of right side belt vibrating roller pressure filter strainer Dynamic speed is identical, in the lower support frame, is additionally provided between driven roller splenium and idler roller and multiple is used to support strainer Flat carrier roller；Drive motorized pulleys, can with frequency control, using realize filter bag horizontal movement speed as 0.15m/s ~ 0.5m/s it Between continuous speed adjustment.
10. a kind of novel band vibrating roller press filtering device according to claim 9, which is characterized in that the guide roller, Exciting carrying roller, idler roller, the first driving motorized pulleys, second drive the surface of motorized pulleys to be respectively provided with rubber layer, drive Dynamic motorized pulleys glue-line has netted groove to increase the friction drive of driving filter bag in glue-line, so that liquid is to both ends It is discharged in time with lower part.
CN201810159036.2A 2018-02-26 2018-02-26 Novel belt vibration roll-in filter equipment Active CN108211478B (en)

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CN108211478A true CN108211478A (en) 2018-06-29
CN108211478B CN108211478B (en) 2023-08-18

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CN109011799A (en) * 2018-09-20 2018-12-18 杭州新蓝科技有限公司 A kind of dedicated vibration-type filter aid of horizontal vacuum band-type filter machine
CN109621527A (en) * 2019-01-03 2019-04-16 湖州核源机械设备有限公司 A kind of rubber belt type vacuum filter
CN112873963A (en) * 2021-02-23 2021-06-01 张思磊 Dry-wet separation device for environment-friendly machinery
CN113842868A (en) * 2021-10-11 2021-12-28 东燊新材料科技(深圳)有限公司 Preparation process and device of aramid fiber composite material
CN113842700A (en) * 2021-09-23 2021-12-28 包头市佳蒙泰环保科技有限公司 Suction filtration equipment for efficiently separating magnesium sulfate from rare earth production wastewater mother liquor

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CN109011799A (en) * 2018-09-20 2018-12-18 杭州新蓝科技有限公司 A kind of dedicated vibration-type filter aid of horizontal vacuum band-type filter machine
CN109621527A (en) * 2019-01-03 2019-04-16 湖州核源机械设备有限公司 A kind of rubber belt type vacuum filter
CN112873963A (en) * 2021-02-23 2021-06-01 张思磊 Dry-wet separation device for environment-friendly machinery
CN113842700A (en) * 2021-09-23 2021-12-28 包头市佳蒙泰环保科技有限公司 Suction filtration equipment for efficiently separating magnesium sulfate from rare earth production wastewater mother liquor
CN113842700B (en) * 2021-09-23 2022-07-05 包头市佳蒙泰环保科技有限公司 Suction filtration equipment for efficiently separating magnesium sulfate from rare earth production wastewater mother liquor
CN113842868A (en) * 2021-10-11 2021-12-28 东燊新材料科技(深圳)有限公司 Preparation process and device of aramid fiber composite material

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