CN202096810U - Vertical screw dehydrator with vertical screen screw shaft and vertical outer screen in differential - Google Patents
Vertical screw dehydrator with vertical screen screw shaft and vertical outer screen in differential Download PDFInfo
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- CN202096810U CN202096810U CN 201020677922 CN201020677922U CN202096810U CN 202096810 U CN202096810 U CN 202096810U CN 201020677922 CN201020677922 CN 201020677922 CN 201020677922 U CN201020677922 U CN 201020677922U CN 202096810 U CN202096810 U CN 202096810U
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/128—Vertical or inclined screw presses
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Abstract
The utility model provides a vertical screw dehydrator with a vertical screen screw shaft and a vertical outer screen in differential, relates to solid-liquid separating machinery and belongs to dehydrators in a filtering device. The vertical screw dehydrator mainly comprises the vertical screen screw shaft, the vertical outer screen and a driving device; the vertical screen screw shaft is concentric with the vertical outer screen; two groups of inner and outer screens with different diameters are arrayed in a straight slit manner and opposite in vertical inclination direction so that a vertical filtering cavity and a squeezing cavity of the differential inner and outer screens are formed; the volumes of sections of each cavity are sequentially arranged from large to small; and the vertical screen screw shaft rotates to lift materials from bottom to top and simultaneously perform gravity filtration, differential radial displacement and squeezing dehydration. The vertical screw dehydrator has the advantages of small size, low energy consumption, large filtering area, high filtering speed, high dehydration efficiency and realization of closed self-cleaning, no blocking and omission of cleaning of the inner and outer screens through external force such as rotary squeezing and the like. The vertical screw dehydrator is applicable to sludge dehydration of a sewage treatment plant, filtering and squeezing dehydration of organic and inorganic filter cakes in the fields of food, chemical industry, papermaking, mining industry and the like, and dehydration of oily sticky materials.
Description
Technical field
The utility model provides vertical filter screen helical axis and the differential vertical helical dewaterer of vertical outer leaching net, relates to solid-liquid separation mechanics, belongs to the dewaterer in the filter.Be applicable to the filtration extrusion dehydration of field organic-inorganic filter cakes such as sludge of sewage treatment plants dehydration and food, chemical industry, papermaking, mining industry.More can be applicable to the dehydration of oiliness viscous material.
Background technology
Existing dehydration equipment mainly contains: belt filter pressing dehydrator, plate and frame filter pressing dehydrator, centrifugal dehydrator and spiral dewater etc.Screen pack generally adopts filter cloth (fiber) or round metal hole pattern etc., and the said equipment by widespread usage, has been brought into play very big effect in each field.But, along with the dehydration rate specific energy consumption of the existing dehydration equipment of the development in market, prevent materials such as filter screen obstructions, rinse water consumption, outlet moisture content, odor pollution, occupation area of equipment, solution oiliness viscosity or band particle dewatering, reduce operation and maintenance cost etc. newly problem caused and shown great attention to.
Existing spiral dehydration equipment has solved subproblem in updating.But; Since adopt monolateral filter structure relative cross-section filter area little, generally adopt the semi-open operating mode of accumbency or horizontally-inclined; Therefore the rate of filtration is slow and insufficient, will solve from filtrating being difficult to along axial wall distributes that filter chamber is brought extrusion chamber into to discharge phenomenon, reduce the dehydration rate specific energy consumption and receive certain limitation.Solve that filter screen be prone to stop up, the outlet moisture content is high, the rinse water consumption is big, odor pollution is big, floor space is big, will solve oiliness viscosity or be with the problem difficulty such as dewatering of materials such as particle big.
The utility model is intended to solve the problem of above-mentioned limitation and concern.It is the vertical helical dewaterer of filter structure that the vertical helical axle is provided, and mainly is made up of vertical filter screen helical axis, vertical outer leaching net, drive unit etc.The filter screen of vertical filter screen helical axis is concentric with vertical outer leaching net, and the vertical masonry joint orientation that has a down dip on the different filter screen of two groups of diameters is opposite, constitutes the vertical filter chamber and the extrusion chamber of outer leaching net in the differential type.Vertical filter screen helical axis low speed rotation; Vertical outer leaching net is fixed on the outer leaching net support of frame; The descending order of the vertical filter chamber of outer leaching net and each section of extrusion chamber volume is arranged in the differential type, and gravity filtration when the rotation of vertical filter screen helical axis promotes material from bottom to top, differential radial displacement, extrusion dehydration carry out simultaneously.The maximum characteristics of the utility model are modes of utilizing gravity and the inside and outside strainer filtering of differential type and transfiguration extruding to combine from bottom to top, inside and outside differential filter screen gravity dehydration filter fully, bar shaped seam shape gap filterability is high, realized that small size low energy consumption, high efficiency dewater.Filtration insufficient and solid (hollow) helical axis of having broken through filter chamber under the monolateral outer leaching net of existing spiral dehydration equipment, accumbency or the horizontally-inclined operating mode was discharged and is influenced the key subject of outlet moisture content along filtrating being difficult to that axial wall distributes.
The utility model utilizes gravity to adopt to have a down dip on vertical vertical masonry joint to arrange that the strainer filtering area is big, the rate of filtration is fast, filterability is high.Not having obstruction by outer leaching net closure in the realization of external force such as rotation extrusion from cleaning function exempts to clean.Totally-enclosed body structure does not have foul smell and pollutes.Not only simple and reasonable but also solved the limitation of existing equipment and the problem of concern.Be applicable to the filtration extrusion dehydration of field organic-inorganic filter cakes such as sludge of sewage treatment plants dehydration and food, chemical industry, papermaking, mining industry.More can be applicable to the dehydration of oiliness viscous material.
Summary of the invention
The utility model is intended to solve the problem of the common concern that following existing equipment exists.The dehydration rate specific energy consumption, prevent that filter screen from stopping up, the rinse water consumption is big, reduce the outlet moisture content, reduce odor pollution, the dewatering of materials such as occupation area of equipment, solution oiliness viscosity or band particle, reduce problems such as operation and maintenance cost.
The technical scheme of the utility model: the vertical helical dewaterer that constitutes by vertical filter screen helical axis, vertical outer leaching net, drive unit.The vertical filter screen screw shaft structure; Different with hollow (or solid) helical axis that existing spiral dewater adopts; Be between vertical filter screen helical axis external diameter and propeller blade; Be that the external diameter of helical axis and the contact-making surface of material are equipped with filter screen, vertical filter screen helical axis external diameter surface whole (or part) is made up of filter screen.Realized the inside and outside dual large tracts of land filtration of relative propeller blade.Solved the limitation of the monolateral outer leaching net of existing spiral dewater, the problem that promptly existing spiral dewater was discharged in filtrating being difficult to along axial wall distributes of bringing extrusion chamber from filter chamber into.
Two groups of different concentric filter screen incline directions of diameter form differential on the contrary.It is opposite that the vertical masonry joint that has a down dip on the filter screen of vertical outer leaching net and vertical filter screen helical axis is arranged incline direction; With the concentric vertical filter screen helical axis of vertical outer leaching net when the low speed rotation; The two groups of concentric screen surface that diameter is different and the frictional force of material since incline direction opposite form differential; Make the material that is filtered and pushes between the helical axis blade that radial displacement take place in the lifting process from bottom to top, gravity filtration, differential radial displacement, extrusion dehydration are carried out simultaneously.Solved the problem that existing spiral dewater was discharged in filtrating being difficult to of blade and blade central distribution.
The filter screen of vertical filter screen helical axis and outer leaching net constitute vertical filter chamber and the extrusion chamber that utilizes gravity.The axis direction of vertical filter chamber and extrusion chamber is the filter screen of vertical filter screen helical axis; Its external diameter direction is vertical outer leaching net; Propeller blade is fixed on the vertical filter screen helical axis; With the concentric vertical filter screen helical axis of vertical outer leaching net when the low speed rotation, the two groups of concentric screen surface that diameter is different and the frictional force of material make the material that is filtered and pushes between the helical axis blade that radial displacement take place in the lifting process from bottom to top because incline direction is opposite forms differentially; Material is raised along the descending extremely outlet of filter chamber extrusion chamber of volume from bottom to top, has realized the mode of utilizing inside and outside strainer filtering of gravity and transfiguration extruding to combine from bottom to top.Be distributed in blade and blade center and bring the problem that filtrating being difficult to along axial wall of extrusion chamber discharge into from filter chamber and created condition for solving existing spiral dewater.
The descending from bottom to top order of vertical filter chamber and each section of extrusion chamber volume is arranged.The vertical filter chamber and the extrusion chamber of the interior outer leaching net that forms by the filter screen and the vertical outer leaching net of vertical filter screen helical axis; Propeller blade in the vertical filter chamber of interior outer leaching net and the extrusion chamber is fixed on the vertical filter screen helical axis; With its circumferential segment around one week of vertical filter screen helical axis is the unit section; Constituent parts spacer segment length order is from long to short arranged from bottom to top, makes the descending order variation of each section volume from bottom to top of vertical filter chamber and extrusion chamber.Vertical filter screen helical axis and blade rotate jointly; Material is raised along the descending extremely outlet of filter chamber extrusion chamber of volume from bottom to top; Form the mode of utilizing inside and outside strainer filtering of gravity and transfiguration extruding to combine from bottom to top, twice power consumption phenomenon having avoided existing spiral dehydration equipment to be detained or to reflux flat operating mode lower edge axial plane filtrating for sleeping in or horizontally-inclined.
The filter screen of vertical filter screen helical axis and vertical outer leaching net all adopt the vertical masonry joint that has a down dip to arrange the bar shaped that forms and stitch the gap of shape and can make its closure from clear filter screen by external force.The filter screen of the vertical filter screen helical axis that the utility model the adopts vertical masonry joint that has a down dip on being is arranged filter screen; The filter screen section is the zigzag circumferential arrangement; The adjacent zigzag of filter screen section bottom is the time of filtration that is in strip the seam shape, and time of filtration is to be the bar shaped seam shape that vertical masonry joint rearranges that has a down dip on the zigzag silk by metal (or engineering plastics) section.The gap length (0.1 to 0.6mm) of bar shaped seam shape can be selected according to the proterties of material, and big with respect to filter areas such as circular hole filter screens, material is difficult for outflow, and filterability is high.Biggest characteristic is that the section of metal (or engineering plastics) material under the external force effect of rotation or extruding is a zigzag silk generation strain; Make the time of filtration of bar shaped seam shape produce closing motion; Adjacent zigzag silk closing motion is extruded the residual material of time of filtration; The vertical outer leaching net that the adopts vertical masonry joint that has a down dip on also being is arranged, and the residual material that is extruded time of filtration is difficult for being detained in the zigzag silk outer that tilts, and gravity falls more easily.Repeatedly closing motion has formed the anhydrous cleaning of filter screen self physics in rapid succession, has solved filter screen and has been difficult for the problem being stopped up and exempt to clean by material.Can be applicable to the dehydration of oiliness viscous material.The utility model claims that this kind filter screen is closed certainly clear differential type filter screen.
Totally-enclosed casing does not have the foul smell pollution structure.With the outside of the concentric vertical outer leaching net of the filter screen of vertical filter screen helical axis be frame; Frame is made up of top-down column (3 or 4); The corrosion resistant plate of circular arc (or dull and stereotyped) (or engineering plastics are thin pull) outer cover is installed on the frame; Be set to the visual totally-enclosed form of partially transparent, its transparent material is not only attractive in appearance, also has visual and is convenient to observe at any time the characteristics of ruuning situation.Be provided with exhaust outlet in the totally enclosed structure, foul smell is collected fully after can joining with the foul smell gathering system, and it is excessive not have foul smell during running, solves the problem of the existing semi-open operating mode odor pollution of spiral dewater, and operating environment is more optimized.
Vertical filter screen helical axis lower support is with the wear-resistant engineering plastics axle sleeve of plug-in type, and the water lubrication band is kept away dirty cover structure.At the center, lower end of vertical filter screen helical axis is plug-in type metal (or engineering plastics) axle head, and the plug-in type axle head is fixed on the helical axis lower central, and the plug-in type axle head is peripheral to be covered for keeping away of bolt is dirty.Vertical helical dewaterer frame bottom centre is for supporting with plug-in type engineering plastics axle sleeve; The axle head of vertical filter screen helical axis cooperates with plug-in type engineering plastics axle sleeve; Lubricated water pipe is inner from keeping away the interior axle sleeve that imports of dirty cover; Make axle head and plug-in type engineering plastics shaft room form lubricated water seal, constitute lower support is kept away dirty cover with plug-in type engineering plastics axle sleeve, water lubrication band structure.The maximum characteristic of the utility model is that bearing is not used in a bottom, adopts axle head and the wear-resistant engineering plastics axle sleeve of plug-in type, utilizes a small amount of clear water to form lubricated water seal, and the water after lubricated the cleaning is discharged through filtrate pipe.Solve the easy fouling corrosion, the grease contamination that cause when existing spiral dewater uses bearing arrangement, must establish problems such as lubricating system, manufacturing and maintenance cost height in addition.
Central upper portion in the filter screen of vertical filter screen helical axis is provided with the scavenge pipe nozzle downwards.Driven wheel center, top is provided with top-down inner scavenge pipe and nozzle arrangements.Fixing top-down inner scavenge pipe is set at the driven wheel center as drive unit on vertical filter screen helical axis top; Dispose washer jet on the scavenge pipe; The vertical filter screen helical axis can realize that in rotation 360 ° of filter screen inner faces in-plant urgent (or maintenance) clean; More can regularly clean vertical filter screen helical axis bottom leakage fluid dram, avoid occurring packing phenomenon.Water after the cleaning is discharged with filtrating in frame lower.
The vertical outer leaching net cleaning structure that annular pipe arrangement and nozzle constitute.Peripheral at outer leaching net; Be that upper rack is provided with the annular pipe arrangement of radius greater than the outer leaching net radius; 2 (or a plurality of) aproll nozzles have been installed in annular pipe arrangement bottom; The angle of inclination of aproll nozzle is over against the outer leaching net center, the outer surface that the effective aproll coverage distance of nozzle is the outer leaching net extrusion chamber, and (urgent or maintenance) rinse water is closely cleaned the outer surface of outer leaching net extrusion chamber through nozzle in case of necessity; Solve existing spiral dewater and used the artificial outer leaching net that cleans of on-the-spot leather hose, influenced the problem of operating environment.
Inlet and filtrating outlet are established in the bottom, make the rationally distributed convenience of pipe arrangement.Inlet and filtrating outlet are arranged on fuselage bottom, and the feed mode is the bottom feed, gravity filtration when utilizing the rotation of vertical filter screen helical axis that material is promoted from bottom to top, and the filtrating behind the material extrusion dehydration is discharged from the filtrating outlet that is arranged on the bottom.All pipe arrangements all are arranged on the frame back lower place with outside interface, the direction-agile of pipe arrangement adpting flange, the connecting pipings operation easily, make frame positive observation and Operation and Maintenance orientation accessible, the layout of operating environment is more rationally with clean and tidy.When needs are provided with many during with equipment; The configuration layout only need laterally become to be listed as with the Operation and Maintenance orientation by the positive observation of frame side by side, is that the back lower place of frame is provided with main pipe arrangement at its reverse side, is connected with individual device with each branched pipe of main pipe arrangement; Layout is advantages of simple more, and operating environment is more optimized.
The advantage of the utility model:
1. the differential vertical helical dewaterer of the filter screen of vertical filter screen helical axis and vertical outer leaching net; The mode of utilizing inside and outside strainer filtering of gravity and transfiguration extruding to combine from bottom to top; Inside and outside differential filter screen gravity dehydration filter fully, realized small size low energy consumption, high efficiency dehydration.The delay filtrating that filtration insufficient and solid (hollow) helical axis of having broken through filter chamber under the monolateral outer leaching net of existing spiral dehydration equipment, accumbency or the horizontally-inclined operating mode distributes along axial wall is difficult to discharge and influences the key subject of outlet moisture content.
2. the vertical filter screen screw shaft structure has realized that the inside and outside dual large tracts of land of relative propeller blade is filtered.Overcome the insufficient phenomenon of filtration that the monolateral outer leaching net of existing spiral dewater causes, significantly increased filter area, utilized gravity to cut down the consumption of energy, accelerated the rate of filtration, reduced the outlet moisture content, improved dewatering efficiency.Solved the problem that existing spiral dewater was discharged in filtrating being difficult to along axial wall distributes of bringing extrusion chamber from filter chamber into.
3. two groups of different concentric filter screen incline directions of diameter form differential on the contrary; Make the material that is filtered and pushes between the helical axis blade that radial displacement take place in the lifting process from bottom to top; Gravity filtration, differential radial displacement, extrusion dehydration are carried out simultaneously; Improved the uniformity of filtering and pushing, same commentaries on classics and dead angle phenomenon in effectively avoiding filtering and pushing have reduced the dehydration rate specific energy consumption, have improved dewatering efficiency.More solved the problem that existing spiral dewater was discharged in filtrating being difficult to of blade and blade central distribution.
4. the filter screen of vertical filter screen helical axis and outer leaching net constitute vertical filter chamber and the extrusion chamber that utilizes gravity.Because of vertical filter chamber and the descending from bottom to top orderly variation of each section of extrusion chamber volume.Formation utilizes inside and outside strainer filtering of gravity and the mode that the transfiguration extruding combines from bottom to top, has realized utilizing that gravity cuts down the consumption of energy, the little filter area of volume big, bar shaped gap filterability height.Effectively reduce unit dehydration rate energy consumption, improved dewatering efficiency, simple and reasonable.Avoided existing spiral dehydration equipment to crouch or the operating mode lower edge axial plane filtrating delay of horizontally-inclined or the twice power consumption phenomenon that refluxes flat.Having solved existing spiral dewater is distributed in blade and blade center and brings the key subject that filtrating being difficult to along axial wall of extrusion chamber discharge into from filter chamber.Created condition for solving the problem that has spiral dewater minimizing unit dehydration rate energy consumption now.
5. the vertical masonry joint that has a down dip on the filter screen of vertical filter screen helical axis and vertical outer leaching net adopt is arranged the bar shaped seam shape time of filtration that forms, and big with respect to filter areas such as circular hole filter screens, material is difficult for outflow, and filterability is high.Biggest advantage is that the section of filter screen metal (or engineering plastics) material under the external force effect of rotation or extruding is a zigzag silk generation strain; Make the time of filtration of bar shaped seam shape produce closing motion; Adjacent zigzag silk closing motion is extruded the residual material of time of filtration; The residual material that is extruded time of filtration is difficult for being detained in the zigzag silk outer that tilts, and gravity falls more easily, and repeatedly closing motion has formed the anhydrous cleaning of filter screen self physics in rapid succession; Practice thrift a large amount of filter screen water for cleaning, solved the difficult problem of being stopped up and exempting to clean by material of filter screen.
Have visual and be convenient to observe at any time the characteristics of ruuning situation.In totally enclosed structure, be provided with exhaust outlet, and be collected fully with the foul smell gathering system back foul smell that joins, it is excessive not have foul smell during running, solves the problem of the existing semi-open operating mode odor pollution of spiral dewater.
7. the center, lower end of vertical filter screen helical axis is plug-in type metal (or engineering plastics) axle head; Its periphery is the dirty cover of keeping away of bolt, and frame bottom centre cooperates with the axle head of vertical filter screen helical axis for supporting with plug-in type engineering plastics axle sleeve; Lubricated water pipe is inner from keeping away the interior axle sleeve that imports of dirty cover; Make axle head and plug-in type engineering plastics shaft room form lubricated water seal, constitute lower support with plug-in type engineering plastics axle sleeve, the water lubrication band is kept away the structure of dirty cover.Great advantage is that bearing is not used in a bottom; Adopt axle head and the wear-resistant engineering plastics axle sleeve of plug-in type; Utilize a small amount of clear water to form lubricated water seal; Water after lubricated the cleaning is directly discharged through the filtrating outlet that is arranged at the machine bottom, simple in structure, corrosion-resistant pollution-free, need not to establish lubricating system, manufacturing and maintenance cost in addition low.Solve the easy fouling corrosion, the grease contamination that cause when existing spiral dewater uses bearing arrangement, must establish problems such as lubricating system, manufacturing and maintenance cost height in addition.
8. the driven wheel center, top in the vertical filter screen helical axis is provided with fixing top-down inner scavenge pipe; The nozzle that configuration is cleaned on the scavenge pipe; Realized that 360 ° of the filter screen inner faces of vertical filter screen helical axis urgent (or maintenance) clean; Closely cleaning performance good, need not a large amount of water for cleaning, need not ad hoc high-pressure wash pump and complicated pipe arrangement.More can regularly clean vertical filter screen helical axis bottom leakage fluid dram, avoid occurring packing phenomenon, because be the cleaning in sealing frame, the water after the cleaning is discharged with filtrating in frame lower, not operating environment of pollution.
9. upper rack is provided with the annular pipe arrangement of radius greater than the outer leaching net radius; In annular pipe arrangement bottom 2 (or a plurality of) aproll nozzles have been installed, the angle of inclination of aproll nozzle has constituted the cleaning structure of outer leaching net over against the outer leaching net center; Realized that vertical outer leaching net effectively closely cleans; Need not a large amount of water for cleaning and ad hoc high-pressure wash pump and complicated pipe arrangement, and the water after cleaning discharges with filtrating in frame lower, not operating environment of pollution.Solve existing spiral dewater and used the artificial outer leaching net that cleans of on-the-spot leather hose, influenced the problem of operating environment.
10. inlet and filtrating outlet are arranged on fuselage bottom; All pipe arrangements and outside interface also all are arranged on the back lower place of frame; The direction-agile of pipe arrangement adpting flange; The connecting pipings operation easily, make frame positive observation and Operation and Maintenance orientation accessible, the layout of operating environment is more rationally with clean and tidy.Having changed existing spiral dehydration equipment has the operating environment of pipe arrangement electric wire on every side up and down.When needs are provided with many during with equipment; The configuration layout only need laterally become row with the Operation and Maintenance orientation by the positive observation of frame side by side; At its reverse side is that the back lower place of frame is provided with main pipe arrangement, is connected with individual device with each branched pipe of main pipe arrangement, and layout is advantages of simple more; Effectively utilized floor space, operating environment is more optimized.
Description of drawings
Accompanying drawing is the general structure sketch map of the utility model
The reference numeral explanation
Pipe arrangement, 21 back pressure assemblies are cleaned in 1 vertical filter screen helical axis, 2 vertical outer leaching nets, 3 propeller blades, 4 filter chambers, 5 extrusion chambers, 6 drive units, 7 inlets, 8 filtrating outlets, 9 material outlets, 10 driven wheels, 11 frames, 12 upper plates, 13 base plates, 14 axle sleeves, 15 axle heads, 16 outer leaching net supports, 17 frame pin, 18 upper bearing assemblies, 19 bottom water seal pipe arrangements, 20 tops
The specific embodiment
The utility model as shown in the figure is the vertical helical dewaterer that is made up of vertical filter screen helical axis 1 and vertical outer leaching net 2.Mainly form by vertical filter screen helical axis 1, vertical outer leaching net 2 and propeller blade 3, drive unit 6 etc.The filter screen of vertical filter screen helical axis 1 is connected with propeller blade 3, and with vertical outer leaching net 2 concentric arrangement, and can freely rotate.Upper plate 12 is fixed on the frame 11 with base plate 13; Frame 11 is made up of top-down column (3 or 4); The corrosion resistant plate of circular arc (or dull and stereotyped) (or engineering plastics are thin pull) outer cover is installed on the frame 11, is set to the visual totally-enclosed form of partially transparent, is provided with exhaust outlet in the totally enclosed structure; Foul smell is collected fully after can joining with the foul smell gathering system, and it is excessive not have foul smell during running.The below of frame 11 is provided with the frame pin 17 that plays the running stabilization, between vertical filter screen helical axis 1 external diameter and propeller blade 3, the filter screen that the vertical masonry joint that has a down dip is arranged is installed.It is opposite that the vertical masonry joint that has a down dip on the filter screen of vertical outer leaching net 2 and vertical filter screen helical axis 1 is arranged incline direction, constitutes the vertical filter chamber 4 and extrusion chamber 5 that utilize gravity.In vertical helical dewaterer central upper portion fixing top-down top is set and cleans pipe arrangement 20; Clean on the pipe arrangement and dispose washer jet; Vertical filter screen helical axis 1 can be realized urgent (or maintenance) cleaning of 360 ° of filter screen inner faces in rotation; More can regularly clean vertical filter screen helical axis bottom leakage fluid dram, avoid occurring packing phenomenon.This vertical helical dewaterer only is provided with upper bearing assembly 18 in the upper end of machine.Because of inlet 7 and filtrating outlet 8 all are arranged on fuselage bottom; So the lower end of machine is not used and is prone to fouling corrosion and by the bearing arrangement of grease contamination; But be provided with the axle head 15 of plug-in type metal (or engineering plastics) at the center, lower end of vertical filter screen helical axis 1; Plug-in type axle head 15 is fixed on helical axis lower flange center, and its peripheral dirt that keeps away for bolt is covered.Vertical helical dewaterer frame 11 bottom centre are for supporting with plug-in type engineering plastics axle sleeve 14; Plug-type axle head 15 cooperates with axle sleeve 14; Lubricate with bottom water seal pipe arrangement 19 and cover interior axle sleeve 14 inside that import, make 14 formation of axle head 15 and axle sleeve lubricate water seal from keeping away dirt.
Drive manner is: will need the material input of filter-press dehydration to be arranged in the inlet 7 of fuselage bottom; Drive driven wheel 10 runnings through drive unit 6; Vertical filter screen helical axis 1 and propeller blade 3 common low speed rotation; Vertical outer leaching net 2 is fixed on the outer leaching net support 16, and the two groups of concentric screen surface that external diameter is different and the frictional force of material make 3 materials that are filtered and push of helical axis blade that radial displacement take place in the lifting process from bottom to top because incline direction is opposite forms differentially.Because with the circumferential segment of propeller blade 3 around 1 one weeks of vertical filter screen helical axis is the unit section, constituent parts spacer segment length order is from long to short arranged from bottom to top, makes vertical filter chamber 4 and the extrusion chamber 5 descending order variation of each section volume from bottom to top.During low speed rotation, material is raised along in descending filter chamber 4 extrusion chambers 5 of volume from bottom to top, behind gravity filtration, differential radial displacement, extrusion dehydration, is promoted to material outlet 9.The filtrating that material is extruded after the dehydration is discharged from the filtrating outlet 8 that is arranged on fuselage bottom.
The filter screen of vertical filter screen helical axis 1 and vertical outer leaching net 2 vertical masonry joint that has a down dip on being is arranged filter screen; The strainer filtering gap is to be the bar shaped seam shape that vertical masonry joint rearranges (gap length of bar shaped seam shape be 0.1 to 0.6mm) that has a down dip on the zigzag silk by metal (or engineering plastics) section; The section of metal (or engineering plastics) material is a zigzag silk generation strain under the external force effect of helical axis 1 rotary lifting or extruding; Make the time of filtration of bar shaped seam shape produce closing motion; Adjacent zigzag silk closing motion is extruded the residual material of time of filtration, and the residual material that is extruded time of filtration is difficult for being detained in the zigzag silk outer that tilts, and gravity falls.Discharge from the filtrating outlet 8 that is arranged on fuselage bottom with filtrating.
Be provided with exhaust outlet in the totally enclosed structure, foul smell is focused on after joining with the foul smell gathering system, and it is excessive not have foul smell during running.
Top driven wheel 10 centers in the vertical filter screen helical axis are provided with fixing top-down inner scavenge pipe 20, and the nozzle that configuration is cleaned on the scavenge pipe 20 has realized that urgent (or maintenance) of 360 ° of vertical filter screen helical axis 1 rotary filter screen inner faces cleaned.More can regularly clean vertical filter screen helical axis bottom leakage fluid dram, avoid occurring packing phenomenon, because be the cleaning in sealing frame, the water after the cleaning is discharged with filtrating in frame lower.
Vertical filter screen helical axis 1 lower support is with the wear-resistant engineering plastics axle sleeve 14 of plug-in type, and the water lubrication band is kept away dirty cover structure.Lubricated water pipe 19 imports axle sleeve 14 inside from keeping away in the dirty cover, makes 14 on axle head 15 and plug-in type engineering plastics axle sleeve form lubricated water seal.Utilize a small amount of clear water to form lubricated water seal, the water after lubricated the cleaning is discharged through filtrate pipe 8.
Outer leaching net 2 cleaning structures that annular pipe arrangement 20 and nozzle constitute.(urgent or maintenance) rinse water is closely cleaned the outer surface of outer leaching net 2 extrusion chambers 5 through nozzle in case of necessity, and the water after the cleaning is discharged with filtrating in frame 11 bottoms.
Claims (10)
1. the differential vertical helical dewaterer of a utility model vertical filter screen helical axis and vertical outer leaching net; Mainly form by vertical filter screen helical axis, vertical outer leaching net, drive unit etc.; It is characterized in that: the filter screen of vertical helical axle is concentric with vertical outer leaching net, and diameter is different, constitutes the vertical filter chamber and the extrusion chamber of outer leaching net in the differential type; Vertical filter screen helical axis low speed rotation; Vertical outer leaching net is fixed on the outer leaching net support of frame, and the descending order of the vertical filter chamber of helical axis filter screen and each section of extrusion chamber volume is arranged, and the rotation direction of propulsion of vertical filter screen helical axis is for from bottom to top.
2. vertical helical dewaterer as claimed in claim 1; It is characterized in that: the vertical filter screen screw shaft structure; Be between vertical filter screen helical axis external diameter and propeller blade; Be that the external diameter of helical axis and the contact-making surface of material are equipped with the filter screen that the vertical masonry joint that has a down dip is arranged, vertical filter screen helical axis external diameter surface all is made up of filter screen.
3. vertical helical dewaterer as claimed in claim 1 is characterized in that: two groups of different concentric filter screen incline directions of diameter form differential on the contrary, and it is opposite that the vertical masonry joint that has a down dip on the filter screen of vertical outer leaching net and vertical filter screen helical axis is arranged incline direction.
4. vertical helical dewaterer as claimed in claim 1; It is characterized in that: the filter screen of vertical filter screen helical axis and outer leaching net constitute the vertical filter chamber and the extrusion chamber of the volume-variation of utilizing gravity; The vertical filter chamber and the extrusion chamber of the interior outer leaching net that forms by the filter screen and the vertical outer leaching net of vertical filter screen helical axis; Blade in the vertical filter chamber of interior outer leaching net and the extrusion chamber is fixed on the vertical filter screen helical axis; Circumferential segment with around one week of vertical filter screen helical axis is the unit section, and constituent parts spacer segment length order is from long to short arranged from bottom to top, makes the descending order variation of each section volume from bottom to top of vertical filter chamber and extrusion chamber.
5. vertical helical dewaterer as claimed in claim 1; It is characterized in that: the vertical masonry joint arrangement that has a down dip on vertical helical axle filter screen and vertical outer leaching net adopt forms differential and can make its closure from clear filter screen by external force; The filter screen of the vertical filter screen helical axis that the utility model the adopts vertical masonry joint that has a down dip on being is arranged filter screen; The filter screen section is the zigzag circumferential arrangement; The adjacent zigzag of filter screen section bottom is the time of filtration that is in strip the seam shape, and time of filtration is to be the bar shaped seam shape that vertical masonry joint rearranges that has a down dip on the zigzag silk by metal or engineering plastics section, the gap length 0.1 to 0.6mm of bar shaped seam shape.
6. vertical helical dewaterer as claimed in claim 1; It is characterized in that: totally-enclosed casing does not have the foul smell pollution structure; With the outside of the concentric vertical outer leaching net of the filter screen of vertical filter screen helical axis be frame; Frame is made up of top-down 3 or 4 root posts, and circular arc or dull and stereotyped corrosion resistant plate or engineering plastics are thin to be pulled outer cover and be installed on the frame, is set to the visual totally-enclosed form of partially transparent; Be provided with exhaust outlet in the totally enclosed structure, foul smell is collected fully after can joining with the foul smell gathering system.
7. vertical helical dewaterer as claimed in claim 1; It is characterized in that: vertical filter screen helical axis lower support is with the wear-resistant engineering plastics axle sleeve of plug-in type; The water lubrication band is kept away dirty cover structure, is plug-in type metal or engineering plastics axle head at the center, lower end of vertical filter screen helical axis, and the plug-in type axle head is fixed on helical axis lower support flange center; The plug-in type axle head is peripheral to be covered for keeping away of bolt is dirty; Vertical helical dewaterer frame bottom centre is for supporting with plug-in type engineering plastics axle sleeve, and the axle head of vertical filter screen helical axis cooperates with plug-in type engineering plastics axle sleeve, lubricates water pipe from keeping away importing axle sleeve inside in the dirty cover; Make axle head and plug-in type engineering plastics shaft room form lubricated water seal, constitute lower support is kept away dirty cover with plug-in type engineering plastics axle sleeve, water lubrication band structure.
8. vertical helical dewaterer as claimed in claim 1; It is characterized in that: the central upper portion in the filter screen of vertical filter screen helical axis is provided with the scavenge pipe nozzle downwards; Driven wheel center, top is provided with top-down inner scavenge pipe and nozzle arrangements; At the driven wheel center as drive unit on vertical helical axle filter screen top fixing top-down inner scavenge pipe is set, disposes washer jet on the scavenge pipe.
9. vertical helical dewaterer as claimed in claim 1; It is characterized in that: the outer leaching net cleaning structure that annular pipe arrangement and nozzle constitute; Peripheral at outer leaching net; Be that upper rack is provided with the annular pipe arrangement of radius greater than the outer leaching net radius, 2 or a plurality of aproll nozzle have been installed in annular pipe arrangement bottom, and the angle of inclination of aproll nozzle is over against the outer leaching net center; The outer surface that the effective aproll coverage distance of nozzle is the outer leaching net extrusion chamber, urgent or maintenance washes water closely cleans the outer surface of outer leaching net extrusion chamber through nozzle.
10. vertical helical dewaterer as claimed in claim 1; It is characterized in that: bottom feed and discharge filtrating, make the rationally distributed convenience of pipe arrangement, inlet and filtrating discharging opening are arranged on fuselage bottom; The external tapping of all pipe arrangements all is arranged on the back lower place of frame, the direction-agile of pipe arrangement adpting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020677922 CN202096810U (en) | 2010-12-21 | 2010-12-21 | Vertical screw dehydrator with vertical screen screw shaft and vertical outer screen in differential |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020677922 CN202096810U (en) | 2010-12-21 | 2010-12-21 | Vertical screw dehydrator with vertical screen screw shaft and vertical outer screen in differential |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202096810U true CN202096810U (en) | 2012-01-04 |
Family
ID=45382846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020677922 Expired - Fee Related CN202096810U (en) | 2010-12-21 | 2010-12-21 | Vertical screw dehydrator with vertical screen screw shaft and vertical outer screen in differential |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202096810U (en) |
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| CN104947387A (en) * | 2014-03-27 | 2015-09-30 | 海尔集团公司 | Washing machine and circulating water-saving filter device with self-cleaning function for washing machine |
| CN105753286A (en) * | 2016-02-29 | 2016-07-13 | 普利资环境科技（苏州）有限公司 | Sludge drying equipment |
| CN108201744A (en) * | 2016-12-20 | 2018-06-26 | 上海东冠纸业有限公司 | A kind of conduit assembly for facilitating paper injection vacuum cleaning |
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| CN104947387A (en) * | 2014-03-27 | 2015-09-30 | 海尔集团公司 | Washing machine and circulating water-saving filter device with self-cleaning function for washing machine |
| CN104947387B (en) * | 2014-03-27 | 2019-06-28 | 青岛海尔洗衣机有限公司 | A kind of water-saving filter device of washing machine cycles with self-cleaning function and washing machine |
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| CN108201744A (en) * | 2016-12-20 | 2018-06-26 | 上海东冠纸业有限公司 | A kind of conduit assembly for facilitating paper injection vacuum cleaning |
| CN108332546A (en) * | 2018-01-29 | 2018-07-27 | 江苏贝尔机械有限公司 | A kind of material drying machine |
| CN108211450A (en) * | 2018-03-19 | 2018-06-29 | 冷应杰 | A kind of sewage water filtration processing unit |
| CN108404473A (en) * | 2018-05-18 | 2018-08-17 | 广州蒙迪欧化学有限公司 | A kind of continuous feed formula filter press |
| CN108525372A (en) * | 2018-05-21 | 2018-09-14 | 深圳市朗坤环境集团股份有限公司 | Percolate cleaner and leachate collection system |
| CN108525372B (en) * | 2018-05-21 | 2024-04-12 | 中山市朗坤环境科技有限公司 | Percolate blocking remover and percolate collecting system |
| CN111672189B (en) * | 2020-04-30 | 2022-08-09 | 洛阳市奇航化工有限公司 | Sodium silicate continuous production filter equipment |
| CN111672189A (en) * | 2020-04-30 | 2020-09-18 | 洛阳市奇航化工有限公司 | Sodium silicate continuous production filter equipment |
| CN112591923B (en) * | 2021-03-02 | 2021-05-18 | 诸城市中裕机电设备有限公司 | Breeding wastewater treatment device |
| CN112591923A (en) * | 2021-03-02 | 2021-04-02 | 诸城市中裕机电设备有限公司 | Breeding wastewater treatment device |
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| CN114908828A (en) * | 2022-02-14 | 2022-08-16 | 牛亚豪 | Desilting device of reservoir among hydraulic engineering |
| CN114908828B (en) * | 2022-02-14 | 2024-04-05 | 牛亚豪 | Desilting device of reservoir in hydraulic engineering |
| CN114644438A (en) * | 2022-03-31 | 2022-06-21 | 浙江科力尔环保设备股份有限公司 | Vertical sludge concentration device |
| CN116874102A (en) * | 2023-06-28 | 2023-10-13 | 江西省科学院能源研究所 | Sewage sectional type multi-stage treatment device |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20151221 |
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| EXPY | Termination of patent right or utility model |