CN102600656A - Novel high-performance belt pressure filter - Google Patents
Novel high-performance belt pressure filter Download PDFInfo
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- CN102600656A CN102600656A CN201210022863XA CN201210022863A CN102600656A CN 102600656 A CN102600656 A CN 102600656A CN 201210022863X A CN201210022863X A CN 201210022863XA CN 201210022863 A CN201210022863 A CN 201210022863A CN 102600656 A CN102600656 A CN 102600656A
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Abstract
The invention relates to a novel high-performance belt pressure filter, wherein a main pressure roller is orderly and spirally arranged from low to high in a vertical direction of a plane in a pressure filter area, horizontal position on the top of the previous roller ot two adjacent main pressure roller is higher or equal to the horizontal position at bottom of the next roller; a lower filter belt is overlaied with an upper filter belt to clamp the pressure filter materials so as to make the materials enter the pressure filter area from the main pressure roller at the lowest position; each main pressure roller of the upper filter belt and the lower filter belt in the pressure filter area is wrapped from lower part and leaves from upper part. Because of reasonable arrangement of the pressure rollers, the water produced by extruding the materials during pressure filter process automatically falls into a water catcher below a roller barrel so as to prevent the water reflowing into the extruded or to-be-extruded materials and to greatly increase the dehydration efficiency of the belt pressure filter.
Description
Technical field
The present invention relates to the belt filter press in dehydration equipment field, particularly relate to a kind of new and effective belt filter press.
Background technology
In industrial and agricultural productions such as metallurgy, chemical industry, papermaking, process hides, alcohol sewage disposal, livestock culture, urban catering rubbish, usually need carry out Separation of Solid and Liquid to the waste liquid and the waste residue of association; And be that the moisture content of waste residue is low more after separating; The processing of waste residue is also easier, and the integrated treatment cost also can be lower.Therefore, in various dehydration equipments since have can be continuously uninterruptedly production, characteristics such as simple to operate, operation expense is low, and solid-liquid separation efficiency is higher.At present, used belt filter press in the production practices of above-mentioned industry at home and abroad morely.But on the whole; The efficient of existing belt filter press Separation of Solid and Liquid is still waiting further raising; The water content of separating the back waste residue also has big gap from the requirement of subsequent treatment process, has adapted to not social development and resource has been made full use of the requirement that improves day by day with environmental protection.
Why not ideal enough existing belt filter press dehydrating effect is, mainly is that the reason of the following aspects causes:
1. the mounting arrangements of pressure roll is scientific and reasonable inadequately.Because it is unreasonable that pressure roll is arranged; The trend of strainer and spatial constraints; Cause belt filter press in when operation, the moisture that is extruded out in the material can't be accomplished with strainer with roller automatically and separate, and through modes such as installation drip trays moisture is fully collected and to be drained; But wherein a large portion reflux again or drop onto be extruded or material to be extruded in; So all some becomes invalid dehydration to the moisture that each pressure roll is extruded, thereby has had a strong impact on the dewatering efficiency of belt filter press, causes dehydrating effect undesirable.
2. strainer is carried the press filtration material secretly to get into the direction of pressure roll unreasonable.It is the top entering from pressure roll mostly that existing belt filter press strainer is carried material secretly, and go out the bottom, and such moisture that can cause pressure roll to push out that is provided with reduces significantly, and separative efficiency obviously reduces.Because when being provided with like this, material receives maximum pressure on pressure roll zone is the middle and upper part of pressure roll, and is also maximum at this moisture that is extruded out; But this part is extruded the moisture that comes and also can't realizes separating with material; Consistent because of its flow direction with the traffic direction of pressure roll and strainer, can flow to the roller bottom along the strainer surface, yet when it flow to the middle and lower part of pressure roll; The pressure that material receives reduces gradually; Wherein quite a few is absorbed by material again and goes back, and what be not absorbed back that part ofly just can fall from pressure roll, realizes separating.
3. there is defective in drive system, and operation stability and reliability are not high.The driving technology that existing belt filter press is adopted basically all be drive unit through chaindriven mode, give last strainer driven roller and the transmission of lower filter belt driven roller simultaneously, and on no longer include any transmission between strainer driven roller and the lower filter belt driven roller or be connected.Owing to be the chain transmission; And be the driven sprocket that the drive unit sprocket for main drive drives strainer driven roller and lower filter belt driven roller simultaneously, the restriction on the locus tends to cause the engagement double team angle of chain and one of them driven roller driven sprocket less, adds in addition that chaindriven long-play is easy to wear and tear to make the intrinsic deficiency of chain slack; When band filter work operating load is big; Driven roller driven sprocket and chain engages place tend to take place slippage phenomenon, thereby cause the operation of strainer and lower filter belt speed difference, asynchronous to occur, and the loose of discontinuity takes place; Filter cake loses pressure, and dehydrating effect is seriously influenced.Simultaneously, loose strainer taking place also occur sideslip and gauffer easily, both influenced the stability of belt filter press operation, influences the service life of strainer again.
4. cracking, phenomenon of rupture appear in roller machinery insufficient strength easily.The structural design and the manufacture craft of existing belt filter press roller are: roller is made up of a roller cylindrical shell, two end face disc and a single mandrel; The end face disc is positioned at two ends of roller cylindrical shell; Its excircle and the welding of roller cylindrical shell inner periphery, inner periphery and axle welding.Facts have proved that when all S-type layout of the pressure roll of belt filter press, the pressure that pressure roll bore only comes under the situation of strainer tensile force, this structure can satisfy instructions for use basically.But work as pressure roll except S-type layout; Increasing pair roller simultaneously arranges; And when setting the pair roller extruding force greatlyyer; The defective of this construction machine insufficient strength will show very obviously, is easy to ftracture at the weld of end face disc and axle, thereby causes belt filter press normally to use.
5. permeable forming roll tube design is reasonable inadequately, and water outlet efficient is not high.What existing belt filter press first pressure roll on feedstock direction was generally installed all is a permeable type pressure roll; Its design feature is: roller is made up of a cylindrical shell with holes, two end face disc, two to three tube inner bushing rings and a single mandrel; Have delivery port on the end face disc excircle, be welded in two ends of cylindrical shell with holes, tube inner bushing ring excircle is not left the mouth of a river; Be welded between barrel with holes, the end face disc end face disc inner periphery and axle welding.Facts have proved; Such design exists comparatively significantly not enough; The roller inside upper part is pushed out and is gone forward side by side into the inner moisture of roller when being press filtration work; Can not directly discharge apace from the two ends of tube roller, but flow to from top to bottom be in the bottom just in the material of press filtration and not press filtration, cause the loss of dewatering efficiency.Simultaneously; Do not have delivery port on the tube inner bushing ring excircle, the part moisture that also can cause flowing in the roller can't flow out from the two ends of roller, forms higher little " pond " of water level; Get into the material dilution in roller press filtration district and press to rear and both sides being about to; Cause the final filter cake that extrudes middle very thin, even do not have material, also can influence the dewatering efficiency of belt filter press.
6. the pair roller crush-zone is too little, and material dewatering is insufficient.In order to strengthen the extruding force that material receives in pressure-filtering process, strengthen the dehydrating effect of belt filter press, existing belt filter press generally adopts a partial pressure roller to be designed to man-to-man pair roller and installs, and obtains effect preferably.But since be one to one, the extruding force of material on the just line that receives on every pair of pressure roll, the zone of the pair roller extruding force that therefore receives is too little, does not realize that also dehydration is just left the press filtration district fully, dehydrating effect also receives bigger restriction.
7. it is too big to go up lower filter belt and horizontal plane angle, and charging is inhomogeneous.Basically do not consider when existing belt filter press manufactures and designs lower filter belt and horizontal plane before getting into first pressure roll of band filter press filtration district angle and on the angle of strainer and lower filter belt to the influence of dehydrating effect, mainly having problems is that two angles all are excessive.Lower filter belt and horizontal plane angle are excessive, can make this taken place to slide or roll by evenly the pave material of lower filter belt of distribution device or material distributing machine, and the material thing has produced variation mutually; Become uneven, inhomogeneous, can cause material cake became uneven behind the entering press filtration district, the pressure distribution that receives everywhere is also inhomogeneous; The water content of material cake is unstable after the press filtration; Can cause strainer asynchronous when serious, gauffer occur, reduce the strainer life-span.And last strainer and lower filter belt angle are excessive; Material does not receive any pressure of lower filter belt before getting into the press filtration district, when arriving first pressure roll, receive very big pressure suddenly, and phenomenon just can appear retreating in material; Can't make the material cake reach due thickness, have a strong impact on the output of equipment.
8. distribution device is treating that the press filtration material is arranged into strainer, and the cloth effect is bad.Existing belt filter press often all is that distribution device is installed in the strainer top, treating that the press filtration material is arranged on the strainer, is arranged on the lower filter belt via last strainer again.Though arrange the length increased some gravity dehydrations district like this, can appear at strainer and be arranged uniform material, fall lower filter belt after thing change mutually; It is uneven, inhomogeneous to become again, can cause material cake became uneven behind the entering press filtration district, and the pressure distribution that receives everywhere is also inhomogeneous; The water content of material cake is unstable after the press filtration; Can cause strainer asynchronous when serious, gauffer occur, reduce the strainer life-span.
9. the kiss-coating layer thickness of pressure roll and driven roller is not enough.The pressure roll of existing belt filter press and driven roller outer surface kiss-coating layer thickness are generally between 5-6mm; Because rubber is too thin, roller surface is very hard, elasticity is little, and " engagement " degree of depth that can't form with the contact-making surface of strainer is not enough; Therefore and the frictional force that forms between the strainer also will be smaller; When increasing the strainer tensile force in order to improve the belt filter press dewatering efficiency, when driven roller will bear bigger load, strainer tended to occur skidding; And then causing strainer asynchronous, the band filter can't normally dewater.
Therefore; Having pressed for a kind of roller and strainer layout installs more scientific and reasonable; The roller Design and Machining is more scientific and reasonable, mechanical strength is high, can bear big pressure, and it is higher to drive stability and reliability, the more even reasonably novel band filter press of cloth; Thereby really reach further raising press filtration material dewatering efficient, reduce the purpose of the follow-up dried cost of material.In view of above argumentation, the inventor studies, designs through continuous, and after repeated validation, founds finally and provide the present invention with practical value.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists on the existing belt filter press Design and Features, a kind of new and effective belt filter press is provided, the existing belt filter press of its dewatering efficiency is improved largely.
Goal of the invention of the present invention also is to provide a kind of new and effective belt filter press, the stability of its running and reliability, and existing belt filter press is improved largely.
The objective of the invention is to realize: a kind of new and effective belt filter press through following technical scheme; Comprise frame, drive unit, roller, strainer, strainer tensioning apparatus, strainer deviation correcting device, pair roller pressue device, distribution device, strainer cleaning device, unloader knife and drip tray, roller comprises driven roller, pressure roll, idler roller, guide roller, regulating roller, carrying roller; Pressure roll comprises principal pressure roller and squeeze pressure roller; It is characterized in that: in the press filtration district principal pressure roller on the vertical direction of horizontal plane, by low to the height shape arranged that rises in the shape of a spiral successively; Adjacent two principal pressure rollers, previous roller top horizontal level are greater than or equal to horizontal level at the bottom of back one roller; The overlapping press filtration material of carrying secretly of last strainer and lower filter belt gets into the press filtration district from the principal pressure roller that is in lowest order; Each principal pressure roller that last strainer and lower filter belt get in the press filtration district all is to twine from its underpart to get into, and top is left.
Described last strainer and the angle of going up between strainer idler roller incision inferius to first principal pressure roller incision inferius between the horizontal plane spent less than 20, and the angle between the lower filter belt between lower filter belt idler roller incision superius to first principal pressure roller incision inferius is less than 10 degree.
It is high permeable type pressure rolls that described pressure roll has one or more.
The permeable type pressure roll of described height is characterized in that: comprise cylindrical shell with holes, axial liner plate, main shaft, main shaft is positioned at cylindrical shell with holes, and axially liner plate is welded between cylindrical shell with holes and the main shaft.
Described axial liner plate becomes 0～miter angle to be welded between cylindrical shell with holes and the main shaft with main-shaft axis.
Described main shaft is the combination multidiameter.
Described combination multidiameter comprises support cylindrical shell, disc, axle.
Described disc comprises disc in end face disc, the tube.
Be welded with the reinforcement gusset on the described disc.
Hole on the described cylindrical shell with holes is up big and down small circular hole or elliptical aperture, is " article " font or " plum blossom " shape or other geometries and distributes.
It is that a principal pressure roller is arranged installation to an above squeeze pressure roller that described pressure roll pair roller has a pair of or a pair of above installation form.
Described and principal pressure roller provides extruding force to a plurality of squeeze pressure rollers of adorning by same pair roller pressurizing unit.
A plurality of squeeze pressure rollers of dress are equated by quantity with it for described and a principal pressure roller or unequal a plurality of pair roller pressurizing unit provides extruding force respectively.
Described pressure roll, driven roller outer surface kiss-coating layer thickness are more than 10mm.
It is reinforced rollers that described roller has one or more.
Described reinforced roller comprises cylindrical shell, end face disc and axle, it is characterized in that: also comprise disc in the tube that is installed between the end face disc.
Be welded with the reinforcement gusset on the disc in described end face disc or the tube.
Described distribution device is installed in the lower filter belt top between first principal pressure roller of lower filter belt idler roller to press filtration district, will treat that directly the press filtration material is arranged on the lower filter belt.
The hopper of described distribution device is last young, prismatoid or other geometrical body that end opening is big.
The described transmission device that is separately installed with the transmission that cooperatively interacts on strainer driven roller and the lower filter belt driven roller of going up.
Described transmission device is meshing gear or chimeric friction pulley, band and belt wheel, chain and sprocket wheel.
Described drive unit is through strainer driven roller or lower filter belt driven roller on the mode single driving of chain transmission or gear drive, frictional drive, band transmission, shaft coupling.
Innovative point of the present invention and beneficial effect are:
1. propose and adopted " in the press filtration district principal pressure roller on the vertical direction of horizontal plane, by low to the height shape arranged that rises in the shape of a spiral successively; adjacent two principal pressure rollers; previous roller top horizontal level is greater than or equal to horizontal level at the bottom of back one roller " the innovative technology scheme; Fundamentally overcome and solved the moisture that existing belt filter press pushes out and wander everywhere, can't collect, dewatering efficiency is low, a critical defect and a difficult problem that can't cleaner production, makes material can only compile and all flow in the drip tray below the roller to its roller bottom at the moisture that is extruded out on any pressure roll; Can can't not flow back to or wander in the press filtration material again along strainer yet; Realize whole separation and collection, the dewatering efficiency of arbitrary pressure roll does not all have loss, has improved the dewatering efficiency of filter press greatly.
2. propose and adopted and " gone up strainer and the overlapping press filtration material of carrying secretly of lower filter belt from being in the principal pressure roller entering press filtration district of lowest order; Each principal pressure roller that last strainer and lower filter belt get in the press filtration district all is to twine from its underpart to get into; Top is left " the innovative technology scheme; the zone that makes material on pressure roll, receive maximum pressure also is the middle and lower part that high exhalant region is in pressure roll; and the flow direction of the moisture that material is extruded out on this zone in the opposite direction with strainer operation just, helps separating of moisture and material more.Simultaneously, the moisture that material is extruded out in the pressure roll middle and upper part is in the process of flowing of middle and lower part, because the pressure of middle and lower part is greater than the pressure of middle and upper part, moisture the resorption phenomenon can not take place, and can only flow downward and compile yet.Therefore, overcome moisture that extruding that the prior art scheme exists comes out by the material resorption, dewatering efficiency receives the defective of heavy losses, and the dewatering efficiency of pressure roll has obtained significantly improving.
3. adopt " go up last strainer and the angle between the horizontal plane between strainer idler roller incision inferius to first principal pressure roller incision inferius less than 20 degree; and the angle between the lower filter belt between lower filter belt idler roller incision superius to first principal pressure roller incision inferius is spent less than 10 " the innovative technology scheme; The material thing that distribution device is evenly paved on the lower filter belt is not destroyed mutually; Get into the press filtration district equably, effectively avoid occurring because of material cake gage distortion, the discontinuous moisture that causes is unstable, strainer is asynchronous and loose gauffer phenomenon, and make strainer and lower filter belt before overlapping, form the tapered region of a fair-sized; Material receives the precompression of lower filter belt before getting into the press filtration district; Clamp gradually and begin to take shape the material cake, avoid the appearance of " material of vomitting " phenomenon, this precompression and material gravity stack simultaneously; Also further improve this regional dehydrating amount, helped reducing material moisture after the press filtration.
4. propose and adopt the innovative technology scheme of " a principal pressure roller is to two or the installation of two above squeeze pressure rollers layouts "; Make material on each group pressure roll, all receive pair roller extruding repeatedly; Pair roller crush-zone in the press filtration district can become the increase of several times; The dehydration of material is longer, dehydration is more abundant, dehydration rate is higher, thereby makes the dewatering efficiency of belt filter press be able to obvious raising.
5. the employing of " efficient permeable type pressure roll " technical scheme also efficiently solves the deficiency that has the moisture backflow material that is extruded out in the permeable type pressure roll course of work now, has obviously improved the dewatering efficiency of permeable type pressure roll.
6. the employing of " reinforced roller " technical scheme; The mechanical strength of roller is increased substantially; Be that strainer regulates bigger tensile force, adopt pair roller that material is carried out the pair roller extruding of big pressure simultaneously, further reduce the moisture after the material press filtration; Create necessary condition, also improved the belt filter press reliability of operation.
7. adopt the technical scheme of " distribution device is installed in the lower filter belt top between first principal pressure roller of lower filter belt idler roller to press filtration district; will treat that directly the press filtration material is arranged on the lower filter belt "; Can make through the good material thing before entering press filtration district of the even cloth of distribution device and remain unchanged mutually; Not only guarantee integrality, uniformity and the continuity of filter cake, helped guaranteeing stable dehydration rate and output, also helped the stable operation of equipment.
8. the employing of " pressure roll, driven roller outer surface kiss-coating layer thickness are more than 10mm " technical scheme; Make roller surface have higher elasticity, can form darker " engagement " with the contact-making surface of strainer during work, increased substantially mutual frictional force; When increasing the strainer tensile force in order to improve the belt filter press dewatering efficiency; When driven roller will bear bigger load, can effectively avoid skidding of strainer, guarantee the synchronous and steady of strainer operation.
9. the employing of novel drive system; Solve and overcome exist in the existing drive system cause the operation of strainer and lower filter belt speed difference, asynchronous to occur because of jumping tooth; The loose of discontinuity takes place; Filter cake loses pressure, and the deficiency that dehydrating effect is seriously influenced has guaranteed stability and reliability that strainer turns round.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention, understands technological means of the present invention in order can more to know, and can implement according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. specify as after.
The specific embodiment of the present invention is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 a is the structural representation of the high permeable type pressure roll of the present invention;
Fig. 2 b is the structural representation of the high permeable type pressure roll of the present invention;
Fig. 2 c is the left TV structure sketch map of the high permeable type pressure roll of the present invention;
Fig. 3 a is the structural representation of the high permeable type pressure roll main shaft of the present invention;
Fig. 3 b is the A-A sectional structure sketch map of accompanying drawing 3a of the present invention;
Fig. 4 a is the sketch map that pair roller of the present invention is installed embodiment;
Fig. 4 b is the sketch map that pair roller of the present invention is installed embodiment;
Fig. 4 c is the sketch map that pair roller of the present invention is installed embodiment;
Fig. 5 a is the main TV structure sketch map of pressure roll of the present invention and driven roller surface kiss-coating layer thickness;
Fig. 5 b is the left TV structure sketch map of pressure roll of the present invention and driven roller surface kiss-coating layer thickness;
Fig. 6 a is the main TV structure sketch map of the reinforced pressure roll of the present invention;
Fig. 6 b is the left TV structure sketch map of the reinforced pressure roll of the present invention;
Fig. 7 a is the partial structurtes sketch map of drive system embodiment one of the present invention;
Fig. 7 b is the partial structurtes sketch map of drive system embodiment one of the present invention;
Fig. 7 c is the partial structurtes sketch map of drive system embodiment one of the present invention;
Fig. 8 a is the partial structurtes sketch map of drive system embodiment two of the present invention;
Fig. 8 b is the partial structurtes sketch map of drive system embodiment two of the present invention;
Fig. 8 c is the partial structurtes sketch map of drive system embodiment two of the present invention;
Wherein:
1: frame 2: drive unit
3: go up strainer 4: lower filter belt
5: principal pressure roller 6: the principal pressure roller
7: principal pressure roller 8: the principal pressure roller
9: squeeze pressure roller 10: the squeeze pressure roller
11: squeeze pressure roller 12: the pair roller pressurizing unit
13: pair roller pressurizing unit 14: the pair roller pressurizing unit
15: drip tray 16: drip tray
17: drip tray 18: drip tray
19: drip tray 20: guide roller
21: guide roller 22: guide roller
23: guide roller 24: guide roller
25; Last strainer idler roller 26: lower filter belt idler roller
27: go up strainer driven roller 28: the lower filter belt driven roller
29: distribution device 30: go up the strainer regulating roller
31: lower filter belt regulating roller 32: go up the strainer deviation correcting device
33: lower filter belt deviation correcting device 34: go up the strainer cleaning device
35: lower filter belt cleaning device 36: go up the strainer tensioning apparatus
37: lower filter belt tensioning apparatus 38: carrying roller
39: loading and unloading material scraper 40: following unloader knife
41: drip tray drainpipe 42: cylindrical shell with holes
43: axial liner plate 44: main shaft
45: support cylindrical shell 46: the end face disc
47: disc 48 in the tube: axle
49: strengthen gusset 50: cylindrical shell
51: end face disc 52: disc
53: strengthen gusset 54: axle
55: drive unit drive sprocket 56: driving chain
57: go up strainer driven roller drive sprocket 58: go up strainer driven roller travelling gear
59: lower filter belt driven roller travelling gear 60: shaft coupling
The specific embodiment
Reach technological means and the effect that predetermined utility model purpose is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To the specific embodiment, structure, characteristic and the effect thereof of a kind of new and effective belt filter press of proposing according to the present invention, specify as after.
As shown in Figure 1; A kind of new and effective belt filter press of preferred embodiment of the present invention, comprise frame 1, drive unit 2, go up strainer 3 and lower filter belt 4, four principal pressure rollers are principal pressure roller 5, principal pressure roller 6, principal pressure roller 7, principal pressure roller 8, three squeeze pressure rollers are squeeze pressure roller 9, squeeze pressure roller 10, squeeze pressure roller 11, three pair roller pressurizing units are pair roller pressurizing unit 12, pair roller pressurizing unit 13, pair roller pressurizing unit 14, five drip trays are drip tray 15, drip tray 16, drip tray 17, drip tray 18, drip tray 19, five guide rollers promptly 20, guide roller 21, guide roller 22, guide roller 23, guide roller 24, go up strainer idler roller 25 and lower filter belt idler roller 26, go up strainer driven roller 27 and lower filter belt driven roller 28, distribution device 29, go up strainer regulating roller 30 and lower filter belt regulating roller 31, go up strainer deviation correcting device 32 and lower filter belt deviation correcting device 33, go up strainer cleaning device 34 and lower filter belt cleaning device 35, go up strainer tensioning apparatus 36 and lower filter belt tensioning apparatus 37, carrying roller 38, loading and unloading material scraper 39 and following unloader knife 40, drip tray drainpipe 41.Described principal pressure roller be meant strainer and lower filter belt overlapping around the pressure roll of its running.Described squeeze pressure roller be meant with the principal pressure roller to dress, and can implement the squeezing pressure roller to the principal pressure roller.Described press filtration district is meant that the overlapping press filtration material of carrying secretly of strainer and lower filter belt begins to contact first principal pressure roller to leaving last principal pressure roller, accomplishes by the zone of pressure roll extrusion dehydration process.
Of the present invention " in the press filtration district principal pressure roller on the vertical direction of horizontal plane, by low to the height shape arranged that rises in the shape of a spiral successively; adjacent two principal pressure rollers; previous roller top horizontal level is greater than or equal to horizontal level at the bottom of back one roller "; As shown in Figure 1; Load onto in the shape of a spiral successively from low to high in the present embodiment and rise shape and be arranged in order principal pressure roller 5, principal pressure roller 6, principal pressure roller 7, principal pressure roller 8, and the roller top horizontal level of principal pressure roller 5 is greater than or equal to horizontal level at the bottom of the roller of principal pressure roller 6, the roller top horizontal level of principal pressure roller 6 is greater than or equal to horizontal level at the bottom of the roller of principal pressure roller 7; The roller top horizontal level of principal pressure roller 7 is greater than or equal to horizontal level at the bottom of the roller of principal pressure roller 8, and the like.Such technical scheme mainly is to make moisture that material is extruded out on any principal pressure roller in the lower process of flowing in order to ensure reaching, and can only compile and the purpose of drip tray below this falls into it to the roller bottom.If frame 1 installing space does not allow; Horizontal level at grade at the bottom of bottom line also will guarantee the roller of roller top horizontal level and a back principal pressure roller of previous principal pressure roller; Like horizontal level at the bottom of the roller of the roller top horizontal level of principal pressure roller 5 and a principal pressure roller 6 thereafter at grade; Avoiding in the course of work extruding is come out on the back principal pressure roller 6 moisture can't be all compiling at the bottom of its roller and falling in the drip tray 16 below it, but flow back to the front again by the material of principal pressure roller 5 press filtrations be about to get in the material in press filtration district along strainer.
As shown in Figure 1; In actual manufacturing is produced; After the principal pressure roller has satisfied above-mentioned mounting arrangements requirement; Be installed in the both sides in the press filtration district that is made up of principal pressure roller 5 and 8 to the last strainer driven roller 27 of belt filter press, lower filter belt driven roller 28 and last strainer idler roller 25, lower filter belt idler roller 26 respectively, the quantity of principal pressure roller is even number, and the described strainer 3 of going up is carried the press filtration material secretly with lower filter belt 4 and got into the press filtration districts from the principal pressure roller 3 that is in lowest order; Can reach the specification requirement of " going up strainer 3 and lower filter belt, to advance 4 each fixation pressure roller of going in the press filtration district all be to twine from the bottom to get into, and top is left ".The zone that such Technical arrangements can make material on the principal pressure roller, receive maximum pressure also is that high exhalant region is in its middle and lower part all the time; And the flow direction of the moisture that material is extruded out on this zone in the opposite direction with strainer operation just helps separating of moisture and material more.Simultaneously, the moisture that material is extruded out in principal pressure roller middle and upper part is in the process of flowing of middle and lower part, because the pressure of middle and lower part is greater than the pressure of middle and upper part, moisture the resorption phenomenon can not take place, and can only flow downward and compile yet.Therefore, can finely overcome moisture that extruding that the prior art scheme exists comes out by the material resorption, dewatering efficiency receives the heavy losses defective.
As shown in Figure 1; Described last strainer 4 and the angle of going up between strainer idler roller 25 incision inferiuses to first principal pressure roller 5 incision inferiuses between the horizontal plane spent less than 20; And the angle between the lower filter belt between lower filter belt idler roller 26 incision superiuses to first principal pressure roller 5 incision inferiuses is less than 10 degree; Be a angle less than 20 degree, the b angle is less than 10 degree.Such layout not only can make the lower filter belt that is in this section milder, and the material thing that distribution device evenly paves on it can not be destroyed mutually, gets into the press filtration district equably.And can make strainer 3 and lower filter belt 4 tapered region in a fair-sized of this section formation before overlapping; Material receives the precompression of strainer and lower filter belt before getting into the press filtration district; The clamped gradually material cake that begins to take shape is avoided the appearance of " material of vomitting " phenomenon, this precompression and material gravity stack simultaneously; Also further improve this regional dehydrating amount, helped reducing the moisture of material after the press filtration.During practical implementation; Can also press down through strainer on installation guide roller handle between last strainer idler roller and first principal pressure roller; Perhaps even simultaneously the mode that guide roller is pressed on lower filter belt is being installed between lower filter belt idler roller and first principal pressure roller; Further regulate the operation route that goes up between strainer and the lower filter belt, make the angle value at a angle and b angle meet above-mentioned specification requirement.
Described pressure roll has at least one to be high permeable type pressure roll.Because moisture content of material is very high during the beginning press filtration; Moisture has enough spaces and passage from material, to flow out when material is extruded; Acceleration moisture separates with material; Thereby the raising dewatering efficiency, first principal pressure roller in the general press filtration district, promptly the principal pressure roller 5 among Fig. 1 all is processed into high permeable type pressure roll.Simultaneously, press filtration material original water content can also be second principal pressure roller than higher, and promptly the principal pressure roller 6 among Fig. 1 also is processed into high permeable type pressure roll.As shown in Figure 2, the permeable type pressure roll of described height comprises cylindrical shell with holes 42, axially liner plate 43, main shaft 44.This main shaft 44 is positioned at cylindrical shell 42 with holes, and axially liner plate 43 is welded between cylindrical shell 42 with holes and the main shaft 44.Described axial liner plate 43 becomes 0～miter angle to be welded between cylindrical shell 42 with holes and the main shaft 44 with the axis of main shaft 44.Become 5 degree angles like axial liner plate 43 with the axis of main shaft 44; No matter pressure roll runs to unspecified angle; By cylindrical shell with holes 42, axially the drainage channel that constitutes jointly of liner plate 43 and main shaft 44 all be one a head taller low skewed; Get into the moisture in the roller because drop has been arranged, can discharge from the two ends of pressure roll at faster speed.In order to quicken the discharge of moisture; By cylindrical shell with holes 42, axially the height of the drainage channel that constitutes jointly of liner plate 43 and main shaft 44 can not design De Taigao, generally be controlled between the 50-80mm comparatively desirable, therefore; Require the diameter of axle of main shaft 44 bigger; In order both to save cost, to alleviate roller weight, satisfy requirement of mechanical strength again, described main shaft can be designed as the combination multidiameter.As shown in Figure 3, described combination multidiameter comprises support cylindrical shell 45, disc, axle 48.Described disc comprises disc 47 in end face disc 46, the tube.For further increasing the mechanical strength of roller, gusset 49 is strengthened in welding on described disc, welding 3-6 piece on the general every disc.For ease of anticorrosion with increase the service life, the manufactured materials of described cylindrical shell 42 with holes is the common iron of stainless steel or surperficial coating anti-corrosion material layer.For avoiding the hole along too sharp, scratch strainer easily, also be more conducive to the separation flow of moisture, the hole on the described cylindrical shell 42 with holes is that up big and down small circular hole or elliptical aperture is " article " font or " plum blossom " shape, perhaps other geometries distribute.
In order to increase the pair roller crush-zone of material in pressure-filtering process, can even all be arranged to the installation of pair roller with the partial pressure roller in the press filtration district.In design with during definite pair roller, if the roller of principal pressure roller footpath is less, perhaps the pair roller crush-zone is required more after a little while, pair roller can be designed as a principal pressure roller to a squeeze pressure roller to dress.As shown in Figure 1, principal pressure roller 6 and 9 pairs of dresses of squeeze pressure roller, principal pressure roller 7 and 10 pairs of dresses of squeeze pressure roller, principal pressure roller 8 and 11 pairs of dresses of squeeze pressure roller.As shown in Figure 4; With principal pressure roller 6 is example; If its roller footpath is bigger; And described belt filter press design function is when requiring more pair roller crush-zone is arranged, and pair roller can be designed as 6 pairs two on a principal pressure roller (shown in Fig. 4 a) or three (shown in Fig. 4 b, c), even 9 pairs of dresses of three above squeeze pressure rollers.During like 9 pairs of dresses of 6 pairs of three squeeze pressure rollers of a principal pressure roller, for ease of installation and attractive in appearance, three squeeze pressure rollers (9) all are designed to identical roller footpath, are installed on the same circular arc bearing block, by same pair roller pressurizing unit 12 controls (shown in Fig. 4 b).Its circular arc is on the reference circle in the center of circle in the center of circle with principal pressure roller 6 during described circular arc bearing block design and installation.Shown in Fig. 4 c; When 6 pairs of three squeeze pressure rollers of a principal pressure roller 9 are installed; Three squeeze pressure rollers 9 also can be respectively with 12 controls of three pair roller pressurizing units; Through regulating the different pressures of each pair roller pressurizing unit 12, can on a principal pressure roller 6, form the pair roller crush-zone that a plurality of pressure increase gradually, the raising of more favourable dewatering efficiency from low to high like this.For the efficient of pair roller extruding of bringing into play, no matter take which kind of form to install, the pressure direction that pair roller pressurizing unit 12 acts on squeeze pressure roller 9 and principal pressure roller 6 must pass through the center of circle of squeeze pressure roller 9 and the center of circle of principal pressure roller 6.The structure of principal pressure roller 6 and squeeze pressure roller 10, pair roller pressurizing unit 13 and principal pressure roller 8 and squeeze pressure roller 11, pair roller pressurizing unit 14 and annexation are identical with principal pressure roller 6 squeeze pressure rollers 9, pair roller pressurizing unit 12.
Shown in Fig. 5 a, Fig. 5 b; In order to improve coefficient of friction, to increase frictional force; Avoid strainer and pressure roll and driven roller to skid, the thickness d＞10mm of described pressure roll, driven roller such as principal pressure roller 6,7,8, squeeze pressure roller 9,10,11, last strainer driven roller 27 and lower filter belt driven roller 28 outer surface kiss-coating layers.In the practice; From satisfying effect needs and cost control; Kiss-coating layer thickness like principal pressure roller 6, principal pressure roller 7, principal pressure roller 8, last strainer driven roller 27 and lower filter belt driven roller 28 is comparatively suitable at 15-20mm, and roll surface elasticity is moderate like this, both enough frictional force can be provided; Can avoid the roller face too soft again, make that strainer gives a discount easily, gauffer.The kiss-coating layer thickness of squeeze pressure roller 9,10,11 is then even more ideal at 30-50mm; Roller surface has bigger elasticity like this; When carrying out pair roller when extruding, roller surface can produce suitable strain, helps receiving material; Avoid material to be extruded from the both sides of strainer, dehydrating effect is even more ideal.In order better to cooperate and to satisfy above-mentioned specification requirement, add man-hour at above-mentioned roller kiss-coating layer, driven roller and principal pressure roller are selected the higher relatively elastomeric material of hardness for use, and the squeeze pressure roller is then selected the relatively low elastomeric material of hardness for use.
Shown in Fig. 6 a, Fig. 6 b, in order to the pair roller extruding of material being carried out big pressure implementation condition to be provided, described roller is processed as reinforced roller.Described reinforced roller comprises cylindrical shell 50, end face disc 51 and axle 54, and it also comprises disc 52 in the tube that is welded between the end face disc 51.Roller plate 52 is installed the 2-3 piece in the general tube.If a disc is installed 3 in the tube, then wherein two mounting distances with end face disc 51 are axle 54 length of shaft 1.5-2 times, a centre position that is installed in axle 54.In the actual production,, also can in described end face disc 51 or tube, weld on the disc 52 and strengthen gusset 53 in order further to improve its mechanical strength.Welding 3-6 piece is strengthened gusset 53 on the general every disc 51.
As shown in Figure 1, distribution device 29 of the present invention is installed in the top of this section lower filter belt 4 between first principal pressure roller 5 of lower filter belt idler roller 26 to press filtration district, will treat that directly the press filtration material is arranged on the lower filter belt 4.Described distribution device 29 can be one and go up the prismatoid hopper young, that end opening is big that lower filter belt 4 operations are taken material out of through frictional force during work, are provided with the material scraping plate of scalable fabric thickness at the discharging opening place.This design is very simple and practical, has both avoided ramming material, the putty of the up big and down small hopper-bottomed bin of routine, need not increase feed power again.Simultaneously, described distribution device 29 also can be one and go up the trapezoidal hopper young, that end opening is big, and a toothed binder axle dynamic driving, surperficial is installed at the discharging opening place, regulates the high and low position of binder axle, can regulate the thickness of cloth.Through the binder axle is installed, also can realize the broken function of certain material.In addition,, make the designing requirement of cloth wide, the screw feeding axle that a two ends hand of spiral is opposite, difference is outside can also be installed in the hopper for its both sides that distribute the material that falls from hopper central authorities equably.
To the easy jumping tooth that exists on the existing belt filter press drive system, the shortcomings and deficiencies that operational reliability is not high; The present invention has adopted new Driving technique scheme, the promptly described transmission device that is separately installed with the transmission that cooperatively interacts on strainer driven roller 27 and the lower filter belt driven roller 28 of going up.Described transmission device is meshing gear or chimeric friction pulley, band and belt wheel, chain and sprocket wheel; Described drive unit 2 is through strainer driven roller 27 or lower filter belt driven roller 28 on the mode single driving of chain transmission or gear drive, frictional drive, band transmission, shaft coupling.The present technique scheme has some kinds of embodiments, below enumerates two examples:
Example one: shown in Fig. 7 a, Fig. 7 b, Fig. 7 c, be installed in drive unit 2 on the belt filter press frame 1, drive unit drive sprocket 55, driving chain 56, go up strainer driven roller 27, go up strainer driven roller drive sprocket 57, go up strainer driven roller travelling gear 58, lower filter belt driven roller 28, lower filter belt driven roller travelling gear 59, go up strainer 3 and lower filter belt 4.Last strainer driven roller drive sprocket 57 and last strainer driven roller travelling gear 58 are installed in the axle two ends of strainer driven roller 27 respectively; Last strainer driven roller travelling gear 58 and 59 engagements of lower filter belt driven roller travelling gear; Drive unit drive sprocket 55 drives through driving chain 56 and goes up 57 rotations of strainer driven roller drive sprocket; Last strainer driven roller travelling gear 58 drives lower filter belt driven roller travelling gear 59 and rotates, and last strainer driven roller 27 drives strainer 3 and lower filter belt 4 runnings respectively with lower filter belt driven roller 28.In the running, can regulate the degree of tightness of driving chain 56 through the adjusting device on drive unit 2 hold-down supports.
Example two: shown in Fig. 8 a, Fig. 8 b, Fig. 8 c, be installed in the drive unit 2 on the belt filter press frame 1, last strainer driven roller 27, last strainer driven roller travelling gear 58, lower filter belt driven roller 28, lower filter belt driven roller travelling gear 59, go up strainer 3 and lower filter belt 4.The shaft coupling 60 of drive unit 2 is connected with the axle of lower filter belt driven roller 28; Last strainer driven roller travelling gear 58 and 59 engagements of lower filter belt driven roller travelling gear; Drive unit 2 drives lower filter belt driven roller 28 and rotates; Lower filter belt driven roller travelling gear 59 drives goes up upwards rotation of strainer driven roller travelling gear 58, and last strainer driven roller 27 drives goes up upwards running of strainer 3, and lower filter belt driven roller 28 drive lower filter belts 4 turn round downwards.
New drive system of the present invention also comprises: during the same side that described drive sprocket and the travelling gear of going up on strainer driven roller 27 or the lower filter belt driven roller 28 is installed in roller, sprocket wheel in the outside, gear is in the inboard; Described drive unit 2 can be installed on the frame 1, also can be installed in outside the frame 1; Drive unit 2 can also drive through the mode of gear drive, frictional drive, band transmission except the mode through chain transmission and shaft coupling transmission drives strainer driven roller 27 and lower filter belt driven roller 28; Transmission between last strainer driven roller 27 and the lower filter belt driven roller 28, interlock can also be adopted chimeric friction pulley, belt and belt wheel, chain and sprocket wheel etc. except adopting meshing gear; According to different operating environments; Described drive unit 2 is a kind of in variable-frequency motor, electromagnetic adjustable speed motor, common electric machine, bavin (vapour) oil turbine, or a kind of combination in wherein a kind of and cycloidal planetary gear speed reducer, hard flank of tooth cylinder stud wheel reductor, helical speed reduction gear, the helical gear worm-gear speed reducer.
Described strainer tensioning apparatus is the governor motion of cylinder or air bag, hydraulic jack, spring.
Strainer and lower filter belt are respectively installed more than one at least on the described strainer cleaning device; Described strainer cleaning device with water under high pressure or pressure-air as cleansing medium.
Described strainer deviation correcting device is regulated with cylinder or air bag, and correction valve or optoelectronic switch are adopted in the tuningout induction; Described filter deviation correcting device is respectively installed one at least at last strainer and lower filter belt.
Described pair roller pressurizing unit is cylinder or air bag.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (22)
1. new and effective belt filter press; Comprise frame, drive unit, roller, strainer, strainer tensioning apparatus, strainer deviation correcting device, pair roller pressue device, distribution device, strainer cleaning device, unloader knife and drip tray, roller comprises driven roller, pressure roll, idler roller, guide roller, regulating roller, carrying roller; Pressure roll comprises principal pressure roller and squeeze pressure roller; It is characterized in that: in the press filtration district principal pressure roller on the vertical direction of horizontal plane, by low to the height shape arranged that rises in the shape of a spiral successively; Adjacent two principal pressure rollers, previous roller top horizontal level are greater than or equal to horizontal level at the bottom of back one roller; The overlapping press filtration material of carrying secretly of last strainer and lower filter belt gets into the press filtration district from the principal pressure roller that is in lowest order; Each principal pressure roller that last strainer and lower filter belt get in the press filtration district all is to twine from its underpart to get into, and top is left.
2. a kind of new and effective belt filter press according to claim 1; It is characterized in that: described last strainer and the angle of going up between strainer idler roller incision inferius to first principal pressure roller incision inferius between the horizontal plane spent less than 20, and the angle between the lower filter belt between lower filter belt idler roller incision superius to first principal pressure roller incision inferius is less than 10 degree.
3. a kind of new and effective belt filter press according to claim 1 is characterized in that: described pressure roll has at least one to be high permeable type pressure roll.
4. a kind of new and effective belt filter press according to claim 3 is characterized in that: the permeable type pressure roll of described height, comprise cylindrical shell with holes, axial liner plate, main shaft, and main shaft is positioned at cylindrical shell with holes, and axially liner plate is welded between cylindrical shell with holes and the main shaft.
5. a kind of new and effective belt filter press according to claim 4 is characterized in that: described axial liner plate is angled with main-shaft axis or parallel to be welded between cylindrical shell with holes and the main shaft.
6. new and effective belt filter press according to claim 5 is characterized in that: described main shaft is the combination multidiameter.
7. a kind of new and effective belt filter press according to claim 6 is characterized in that: described combination multidiameter comprises support cylindrical shell, disc, axle.
8. a kind of new and effective belt filter press according to claim 7 is characterized in that: described disc comprises disc in end face disc, the tube.
9. a kind of new and effective belt filter press according to claim 8 is characterized in that: be welded with the reinforcement gusset on the described disc.
10. a kind of new and effective belt filter press according to claim 9 is characterized in that: the hole on the described cylindrical shell with holes is up big and down small circular hole or elliptical aperture, is " article " font and distributes.
11. a kind of new and effective belt filter press according to claim 1 is characterized in that: described pressure roll pair roller installation form is that a principal pressure roller is to two or the installation of two above squeeze pressure rollers layouts.
12. a kind of new and effective belt filter press according to claim 11 is characterized in that: described and principal pressure roller provides extruding force to a plurality of squeeze pressure rollers of adorning by same pair roller pressurizing unit.
13. a kind of new and effective belt filter press according to claim 11 is characterized in that: described and a principal pressure roller provide extruding force to a plurality of squeeze pressure rollers of dress respectively by a plurality of pair roller pressurizing units that quantity with it equates.
14. a kind of new and effective belt filter press according to claim 1 is characterized in that: described pressure roll, driven roller outer surface kiss-coating layer thickness are more than 10mm.
15. a kind of new and effective belt filter press according to claim 1 is characterized in that: described roller is reinforced roller.
16. according to any described a kind of new and effective belt filter press among the claim 14-15, it is characterized in that: described reinforced roller comprises cylindrical shell, end face disc and axle, also comprises disc in the tube that is installed between the end face disc.
17. a kind of new and effective belt filter press according to claim 16 is characterized in that: be welded with the reinforcement gusset on the disc in described end face disc or the tube.
18. a kind of new and effective belt filter press according to claim 1; It is characterized in that: described distribution device is installed in the lower filter belt top between first principal pressure roller of lower filter belt idler roller to press filtration district, will treat that directly the press filtration material is arranged on the lower filter belt.
19. a kind of new and effective belt filter press according to claim 18 is characterized in that: the hopper of described distribution device be shaped as young, that end opening is big is trapezoidal.
20. a kind of new and effective belt filter press according to claim 1 is characterized in that: described driven roller comprises strainer driven roller and lower filter belt driven roller, is separately installed with the transmission device of the transmission that cooperatively interacts on this on strainer driven roller and the lower filter belt driven roller.
21. a kind of new and effective belt filter press according to claim 20 is characterized in that: described transmission device is meshing gear or chimeric friction pulley, band and belt wheel, chain and sprocket wheel.
22. a kind of new and effective belt filter press according to claim 1 is characterized in that: described drive unit is through strainer driven roller or lower filter belt driven roller on the mode single driving of chain transmission or gear drive, frictional drive, band transmission, shaft coupling.
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| CN201210022863.XA CN102600656B (en) | 2012-01-10 | 2012-01-10 | Novel high-performance belt pressure filter |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611354A (en) * | 2013-11-29 | 2014-03-05 | 广西大学 | Multistage filtering squeezer for cassava residues |
| CN103785217A (en) * | 2014-02-27 | 2014-05-14 | 北京中矿环保科技股份有限公司 | Cascade pressurization belt type pressure filter |
| CN104524847A (en) * | 2015-01-05 | 2015-04-22 | 浙江华章科技有限公司 | Sludge processor |
| CN104986938A (en) * | 2015-07-17 | 2015-10-21 | 东莞理文造纸厂有限公司 | Sludge concentrator |
| CN105058834A (en) * | 2015-07-20 | 2015-11-18 | 广西力源宝科技有限公司 | Belt-type fermented material sheeter |
| CN105107251A (en) * | 2015-09-22 | 2015-12-02 | 无锡市金禾环保工程有限公司 | Belt filter press for sludge dehydration |
| CN106001069A (en) * | 2016-07-01 | 2016-10-12 | 宜昌力帝环保机械有限公司 | Complete waste orange treatment equipment and waste orange treatment process |
| CN107050971A (en) * | 2017-03-30 | 2017-08-18 | 通山新知力环保设备机械厂（普通合伙） | Roller is filtered in a kind of press filtration for belt type sludge filter press |
| CN108211478A (en) * | 2018-02-26 | 2018-06-29 | 贾守民 | A kind of novel band vibrating roller press filtering device |
| CN110078345A (en) * | 2019-05-31 | 2019-08-02 | 南京泰宏环境设备有限公司 | Sludge deep dehydrator |
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| CN202460265U (en) * | 2012-01-10 | 2012-10-03 | 广西力源宝农林科技发展有限责任公司 | Novel high-efficient belt type filter press |
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| CN202460265U (en) * | 2012-01-10 | 2012-10-03 | 广西力源宝农林科技发展有限责任公司 | Novel high-efficient belt type filter press |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103611354A (en) * | 2013-11-29 | 2014-03-05 | 广西大学 | Multistage filtering squeezer for cassava residues |
| CN103785217A (en) * | 2014-02-27 | 2014-05-14 | 北京中矿环保科技股份有限公司 | Cascade pressurization belt type pressure filter |
| CN104524847A (en) * | 2015-01-05 | 2015-04-22 | 浙江华章科技有限公司 | Sludge processor |
| CN104986938A (en) * | 2015-07-17 | 2015-10-21 | 东莞理文造纸厂有限公司 | Sludge concentrator |
| CN105058834A (en) * | 2015-07-20 | 2015-11-18 | 广西力源宝科技有限公司 | Belt-type fermented material sheeter |
| CN105107251A (en) * | 2015-09-22 | 2015-12-02 | 无锡市金禾环保工程有限公司 | Belt filter press for sludge dehydration |
| CN106001069A (en) * | 2016-07-01 | 2016-10-12 | 宜昌力帝环保机械有限公司 | Complete waste orange treatment equipment and waste orange treatment process |
| CN106001069B (en) * | 2016-07-01 | 2019-01-18 | 宜昌力帝环保机械有限公司 | Useless citrus processing complete set of equipments and technique |
| CN107050971A (en) * | 2017-03-30 | 2017-08-18 | 通山新知力环保设备机械厂（普通合伙） | Roller is filtered in a kind of press filtration for belt type sludge filter press |
| CN108211478A (en) * | 2018-02-26 | 2018-06-29 | 贾守民 | A kind of novel band vibrating roller press filtering device |
| CN108211478B (en) * | 2018-02-26 | 2023-08-18 | 贾守民 | Novel belt vibration roll-in filter equipment |
| CN110078345A (en) * | 2019-05-31 | 2019-08-02 | 南京泰宏环境设备有限公司 | Sludge deep dehydrator |
| CN110078345B (en) * | 2019-05-31 | 2020-11-27 | 瑞美智能设备江苏有限公司 | Deep dehydration device for sludge |
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