CN1064899C - Cocurrent double helix concentrator - Google Patents
Cocurrent double helix concentrator Download PDFInfo
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- CN1064899C CN1064899C CN961194359A CN96119435A CN1064899C CN 1064899 C CN1064899 C CN 1064899C CN 961194359 A CN961194359 A CN 961194359A CN 96119435 A CN96119435 A CN 96119435A CN 1064899 C CN1064899 C CN 1064899C
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Abstract
The present invention relates to a cocurrent double helix concentrator used for squeezing water from pulp in the process of making pulp during papermaking, which comprises a machine frame, a motor, a speed reducer and a water squeezing device. The present invention is characterized in that the water squeezing device is composed of a helix rotor device and a casing device which are mutually engaged and cooperated in parallel and can rotate in the same direction, wherein the helix rotor device is composed of a feeding rotor, rotors for forced feeding and a dewatering rotor, rotors for forced feeding are mutually contained and engaged, the dewatering rotor is a helix rotor having gradually changed diameters and pitches, and pulp in the helix rotor device is forced to convey and extruded for dewatering with the reduction of volume. The present invention has the advantages of small size, low cost, high production capacity, high efficiency, low energy consumption and high pulp concentration as high as 20 to 35%.
Description
What the present invention relates to is the equipment of (water squeezing) that in the paper industry pulping process slurry concentrated, as is used for slurry black liquor (cooking liquor) is extracted or the slurry liquid that adds water washing is dewatered or the low concentration slurry concentrated the pulp thickener of producing high underflow.
At present paper industry specially to slurry carry out machinery that water squeezing concentrates have multiple, if any cylinder dewaterer, Kamyr filter, SD type filter press etc.Also having some is the wash engines with water separation capability, as ZNKZ type drum-type vacuum pulp washing machine, ZNDC type horizontal belt wash engine etc., the structure of various products constitutes different, its oneself characteristics are arranged, its shortcoming deficiency is also arranged, the ubiquitous disadvantage of prior art is that the water squeezing concentrating capacity is low, promptly extract ability, the concentration of the slurry of deviating from is low, and water content is big, the slurry concentration of deviating from generally has only 5-8%, also can only reach 12% individually, and the equipment manufacturing cost height, energy consumption is big, production capacity is little, and production efficiency is also lower.Because it is little to extract ability, the slurry concentration of deviating from is low, water content is big, and this hydrotrope of being not only in the slurry can not fully be excluded as early as possible, and the hydrotrope of pulp fibres inside pipe wall can not be excluded, the grade of influence slurry, and, must increase the slurry amount for reaching the just necessary washing times that increases of washing requirement, get rid of the hydrotrope, the wastewater flow rate of discharging is corresponding also more, causes environmental pollution serious.Occupy slurry amount 40M3 before 1 ton of dried fiber dewatering, with the about 20M3 of prior art products dehydration back occupancy volume, have to be equivalent to 50% and to contain the dense moisture content of separating thing and be not excluded, wash slurry per ton with clear water amount 50-87 ton, effluent sewerage amount 35-80 ton, power consumption 75-77KWH/ ton slurry.The concentration of slurry is low, and water content is big, and it is many to contain the hydrotrope, also subsequent technique such as bleaching process is consumed the increase of chemicals consumption.These make that all the slurrying technological process of production is elongated, and area occupied and space are big, and water consumption is big, nor can adapt to high density bleaching and chlorine-free bleaching to the technological requirement of slurry concentration at 25-30%.
Wash engine of the prior art, with regard to the dehydrating function that it had, it also is to use as the wringing machine that concentrates slurry in some sense, but both are distinguishing, though rinsing maching has the water squeezing ability, it requires, and into slurry concentration is higher, production efficiency is lower when being used as the wringing machine use, the water squeezing concentrating capacity is low, and complex structure, the cost height.
Along with the development of pulping technology for paper-making, efficient pulp washing is produced high concentration slurry and more and more is subject to people's attention over past ten years.Two roller displacement press master (Displace-ment Press that Sweden Sunds company produces, be called for short the DP press master) as shown in Figure 1, its agent structure is to be made of two pair rollers that are installed in the sealing cell body that are parallel to each other, pair roller is by the hollow shaft that has gusset and be enclosed within the roll body on the axle and the filter plate that covers on roll body constitutes, discharge opeing ditch and outage are arranged on the roll body, sump pit in axle, gusset and the roll body position roll, one in two rollers can move horizontally, and another root is fixed.Its operation principle is, slurry enters passage A district, slit with certain pressure from cell body both sides pulp-inlet pipe and dewaters, along with the rotation of roller enters displacement washing district B at the end of profiled sheeting 06, to be clear water enter flushing slurry layer from washing lotion feed tube 09 to the high pressure cleaning solution carries out displacement washing, wash back slurry layer and go into two roller crush zone C with roller strap and carry out extrusion dehydration, the slurry liquid degree behind its extrusion dehydration can reach about 30%.The essence of this machine is a kind of wash engine, and is not to be exclusively used in the thickener (wringing machine) that moisture content that slurry Central Plains is contained dewaters, and its volume is bigger, and structure is complicated, power consumption height, adapted multiple electric motors, motor general power 60-170KW.
Its agent structure of parallel dual-screw pulping equipment (being called for short the BIVIS pulping equipment) of France Ke Laikesi jar (unit of capacitance) (CLEXTRAL) company Development and Production is to be made of the twin-screw that a pair of rotation in the same way that is parallel to each other is installed in the sealing cell body, because the profile of tooth of twin-screw rotor is meshing with each other, the volume that forms sealing moves vertically, tablet and slurry can be forced to advance vertically and send, its opposite direction helical rotor by on axostylus axostyle, being provided with at interval, and on this rotor, offer the helical rotor section of some square grooves, make slurry produce force feed back, produce very high pressure, fiber is rubbed friction and is realized separating under pressure, broken refinement, slurry is extruded from square groove and is advanced afterwards, it also can change section at different spirals and wash, bleaching work, it is to through soaking or moisture after boiling or contain the liquid tablet and carry out defibrination like this, and the slurry after different screw rod sections is to anterior defibrination adds water washing and the dosing bleaching is handled continuously, produce groundwood pulp, it is the associating pulping equipment of a kind of integrated multifunctional in one, this product precision height, the processing cost is also higher, its technology is comparatively advanced, but it is not to be exclusively used in the equipment of handling the slurry thickening.
The objective of the invention is at China's slurry concentration low, at 3-4%, existing pulp thickener volume is big, the energy consumption height, than the low shortcoming of rate, provide a kind of being used for that slurry black liquor (cooking liquor) is extracted, the slurry liquid that adds water washing is dewatered, the low concentration slurry is concentrated the pulp thickener of producing high underflow.
The present invention includes organic frame, motor, decelerator, slurry concentrates squeezing water and constitutes, the major technique solution is to concentrate squeezing water and cooperates homodromal helical rotor device by a pair of being meshing with each other, front housing, the back cabinet device, the filter screen casing device at middle part constitutes, the helical rotor device is by axostylus axostyle, be installed in the feed auger rotor on this axostylus axostyle, the forced conveyance helical rotor, the extrusion dehydration helical rotor constitutes, the two ends of the axostylus axostyle of helical rotor device by bearing arrangement be installed in connect with frame before, on the back cabinet device, before the filter screen casing device at middle part is installed in, in the middle of the back cabinet, the strong square auger rotor and the extrusion dehydration helical rotor part of the corresponding helical rotor device of the screen cover of filter screen casing, corresponding with the rotor profile of two mutual engagement fit and be matched in clearance, the feed auger rotor of helical rotor device places and carries out the charging conveying in the front housing, and the rotor blade of forced conveyance helical rotor part adopts and contains the curved tooth profile of tooth that meshes mutually fully; The extrusion dehydration helical rotor partly dwindles gradually for the helical rotor external diameter, the root footpath increases gradually, the diminishing helical rotor of pitch, and its volume dwindles gradually like this, and the generation extruding that reduces with volume when slurry moves in this part is dewatered to slurry.Because the profile of tooth of two pressure conveyor screw rotor portions is to adopt the curved tooth profile of tooth that contains engagement mutually fully, its volume that forms sealing mutually moves vertically, even the volume of slurry extrusion dehydration rotor portion at its rear portion in by its course of conveying dwindles gradually and produced crush resistance and can not produce drive in the wrong direction to reflux and skid and do not advance, reach and force to be fed forward slurry and finish extrusion dehydration to concentrate work.
Fig. 1 is figure between prior art DP press master structure is shown, wherein: the broken spiral discharging device of 01-; The 02-unloader knife; The 03-pressure roller; The 04-loam cake; 05-cleans the roll surface sparge pipe; The 06-damper for forming; The 07-pulp-inlet pipe; The 08-labial lamina; 09-washing lotion feed tube; The 011-hydraulic lift.
Fig. 2 is a prior art BIVIS pulping equipment structural principle schematic diagram.
Fig. 3 is a structural representation of the present invention.
Fig. 4 is Fig. 3 vertical view.
Fig. 5 is the A-A cutaway view of Fig. 3.
Fig. 6 is the B-B cutaway view of Fig. 3.
Fig. 7 is the C-C cutaway view of Fig. 3.
Below in conjunction with accompanying drawing the present invention is elaborated.
The present invention includes organic frame 1, motor 2, decelerator 3, the concentrated squeezing water formation of slurry, concentrated squeezing water is meshing with each other by pair of parallel and cooperates homodromal helical rotor 5,5 ＇, front housing 6, back cabinet 7, middle part upper filter screen casing device 8, lower filter screen casing device 9 to constitute.Motor 2, decelerator 3, concentrated squeezing water are fixedly mounted on the frame 1.Helical rotor 5/5 ＇ is by axostylus axostyle 51, be fixedly mounted on the feed auger rotor 52 on this axostylus axostyle 51, forced conveyance helical rotor 53, extrusion dehydration helical rotor 54 constitutes, two helical rotors 5, the axostylus axostyle 51 of 5 ＇, 51 ＇ are parallel to each other, its two ends are by bearing arrangement 59 and front housing 6, back cabinet 7 connects to be installed, rotor shaft 51, the output shaft 31 of the decelerator 3 of the front end of 51 ＇ and twin shaft output, 31 ＇ are by shaft coupling 32,32 ＇ connect, feed auger rotor 52, forced conveyance helical rotor 53, extrusion dehydration helical rotor 54 is fixed with axostylus axostyle 51 key connecting, be fixedly mounted on rotor shaft 51 successively backward in the past, on 51 ＇, and at axostylus axostyle 51,51 ＇ rear portions are provided with rotor location clamp nut 55.Feed auger rotor 52 is the helical blade rotor, forced conveyance helical rotor 53 is the spiral curved tooth profile of tooth rotor that contains engagement mutually fully, and extrusion dehydration helical rotor 54 is for the outer spiral shell of rotor footpath dwindles gradually from front to back, the root footpath increases gradually, the diminishing helical blade rotor of pitch.Feed auger rotor 52 places in the front housing 6 and with front housing 6 inner chamber matched in clearance and forms the screw feeder push feed; 7 of mmi machine shell 6 and back cabinets and corresponding forced conveyance helical rotor 53, extrusion dehydration helical rotor 54 are provided with to connect installs filter screen casing device 8 and lower filter screen casing device 9.Upper filter screen casing device 8 and lower filter screen casing device 9 are made of crossbeam and gusset piece support body that constitutes and the rigidity screen cover sheet that is fixedly connected mounted thereto, 7 profiles with helical rotor 5,5 ＇ of the engagement fit that is parallel to each other of filtering net plate mmi machine shell 6 and back cabinet are corresponding, cover in its appearance and be matched in clearance, form the press filtration cavity, filtering net plate its mesh from front to back increases gradually.The upper end of mmi machine shell 6 offers slurry feed mouth 63, offer discharging opening 73 in the lower end of back cabinet 7, be fixedly connected respectively on two rotor shaft, 51,51 ＇ in back cabinet 7 and be provided with two swing fork dispersing devices, 58,58 ＇, on the upper end of back cabinet 7, also can offer the observation panel 76 of a band detachable cap 74.
Shown in accompanying drawing embodiment, the present invention concentrates the upper filter screen casing device 8 at squeezing water middle part by crossbeam bar 81,81 ＇, 81 ", some connect frame plate 82 and rigidity----metal screen sheet 83, and outside jacket plates 84 constitute; Each connects frame plate 82 and distributes and crossbeam bar 81,81 ＇, 81, and " be fixedly connected, filtering net plate 83 cooperates with connection frame plate 82 lower surfaces and is fixedly connected." and connect support body appearance that frame plate 82 the constitutes cover plate 84 that is fixedly connected, be equipped with at each outside jacket plates 48 first line of a couplet that connect 82 of frame plates and be used to the admitting pipe joint 86 of washing by water and cleaning, it shuts down residual slurry on the afterflush filter screen in work by crossbeam bar 81,81 ＇, 81.Lower filter screen casing device 9 by crossbeam bar 91,91 ＇, some connect frame plate 92 and filtering net plate 93, and before and after side outside jacket plates 94,94 ＇ constitute; The two ends of crossbeam bar 91,91 ＇ are fixedly connected with front housing body 6 and back cabinet body 7 respectively, each connects frame plate 92 distributions and is fixedly connected with crossbeam bar 91,91 ＇, filtering net plate 93 with connect frame plate 92 upper surfaces and cooperate connection is installed, outside jacket plates 94,94 ＇ are fixedly connected with the outside of crossbeam bar 91,91 ＇ respectively.The lower surface of upper filter screen casing device 8 and the upper surface of lower filter screen casing device 9 are to cooperate for plane or seam flat seal between crossbeam bar 81,81 ＇ lower surfaces and crossbeam bar 91, the 91 ＇ upper surfaces of both sides before and after it, 9 hinge 80 hinge-coupled that go up setting by side crossbeam bar 81 ＇, 91 ＇ thereafter of upper filter screen casing device 8 and lower filter screen casing device, guard casing device 8 can upwards be raised, help producing assembling like this, the residual slurry of remains is scrubbed in convenient observation maintenance filter screen and cleaning; On the crossbeam bar of its front side 81,91 be provided with by with hinged screw rod 95 of sill bar 91 and the opening fork 85 quick bolt fastening units of forming 90 that are fixedly connected with entablature bar 81, with upper and lower filter casing device 8,9 fastening being linked together, but certain two upper and lower filter casing devices 8,9 are also directly connected by bolted.
Slurry of the present invention enters in the front housing from the charging aperture 63 of front housing 6 upper ends, be arranged on and be meshing with each other in the front housing 6 and form the helical rotor 5 of screw feeder push feed with front housing inner chamber matched in clearance, 5 ' feed auger rotor 52 parts, the slurry that enters front housing 6 inner chambers is flowed to helical rotor 5,5 ' forced conveyance helical rotor 53 parts, because the rotor blade of forced conveyance helical rotor 53 parts is spiral curved tooth profiles of tooth that contain engagement mutually fully that root a tree name envelope theory and molded lines technology are processed into, when its two rotor meshes rotation in the same way, the volume that forms sealing mutually moves vertically, the slurry that enters in it can be pushed ahead conveying by force vertically, because extrusion dehydration helical rotor 54 parts are directly dwindled gradually for the outer spiral shell of rotor from front to back, the root footpath increases gradually, the diminishing helical rotor of pitch, the filtering net plate 83 of extrusion dehydration helical rotor 54 outsides, the 93 press filtration inner chamber dicyclic stavings that constitute are corresponding with the profile of these rotor 54 parts, cover in its appearance, dwindle gradually with rotor 54 external diameter unanimities, and the identical matched in clearance in maintenance front and back, so the inner chamber body that filtering net plate constitutes is diminishing with the outer spiral shell footpath of rotor 54, volume dwindles gradually between extrusion dehydration helical rotor 54 blades like this, reduce to produce compression ratio with volume when slurry moves in this part, slurry is carried out extrusion dehydration, because forced conveyance helical rotor 53 parts are to force to push ahead vertically feeding, even dwindling gradually, slurry extrusion dehydration rotor 54 partial volumes at its rear portion in by its course of conveying produced pressure drag, slurry can not be in rotor particularly produce in the extrusion dehydration rotor 54 drive in the wrong direction reflux and skid not before, it not only can efficiently be finished extrusion dehydration and concentrate work, and slurry is moved forward in the process by extrusion dehydration progressively at it, be to advance by the axial discharge pressure that send rotor 52 by force, it was very little to starching the radially pushing force that is produced when dewatering rotor 54 assisted the propelling movement slurry to advance, and stopped up the filter screen phenomenon so pulp fiber is difficult for generation.Be extruded dewatering rotor 54 part extrusion dehydrations and concentrate the concentrated dry pulp of releasing the back and enter in the back cabinet 7, by rotor shaft 51,51 ' on dispersing device 58,58 ' break up the discharging opening 73 that comes off from back cabinet 7 bottoms to discharge.
Root a tree name inlet slurry concentration of the present invention and outlet slurry concentration require to adjust the rotating speed of motor 1, also can utilize rotating speed of motor control processing output.
The present invention promptly can be used for slurry is dewatered concentrated, also can be used for extracting black liquor, and its volume is little, and cost is low, and is stable, simple to operate, and production capacity is big, the efficient height, and energy consumption is low.With the overall volume is long 3.84 meters, and wide 1.22 meters, high 0.85 meter thickener of the present invention is an example, its adapted power of motor 22KW advances to starch concentration and is 3.5% low underflow material, and once operation is by the dehydration of this machine, pulp concentration: careless plasmoid 20-25%, wood pulp 25-35%; Production capacity: careless plasmoid 20-32T/d oven dry stock, wood pulp 35-40% oven dry stock; Power consumption 15KWH/ ton slurry, not only volume is little to compare it with similar prior art products, pulp concentration height, and economize on electricity 80%.Extract black liquor with it, in the time of 30 ℃, can reach 7.5-9 ° of Bt '.
The relative prior art of the present invention is extremely in the moisture content and the hydrotrope in deviating from slurry, also extrude the hydrotrope of fibre pipe internal chamber wall, therefore concerning paper-making pulping, can accelerate chemical reaction velocity in the bleaching process, reduce the chemicals consumption, reduce the bleaching agent residual quantity, realize reducing slurry amount and sewage effluent amount.
Claims (3)
1, a kind of cocurrent double helix concentrator, especially in the paper industry pulping process slurry being carried out water squeezing, as the slurry cooking liquor being extracted, the slurry liquid that adds water washing being dewatered, the low concentration slurry is carried out the concentrated thickener of producing high underflow of water squeezing, it is characterized in that:
1-1, its by frame (1), motor (2), decelerator (3), concentrate squeezing water and constitute;
1-2, motor (2), decelerator (3), concentrated squeezing water are fixedly mounted on the frame (1);
1-3, concentrated squeezing water are meshing with each other by pair of parallel and cooperate homodromal helical rotor (5,5 ＇), front housing (6), back cabinet (7), upper filter screen casing device (8), lower filter screen casing device (9) to constitute;
1-4, helical rotor (5/5 ＇) are made of axostylus axostyle (51), the feed auger rotor (52), forced conveyance helical rotor (53), the extrusion dehydration helical rotor (54) that are fixedly mounted on this axostylus axostyle (51); Helical rotor (5,5 ＇) axostylus axostyle (51,51 ＇) be parallel to each other, its two ends are by bearing arrangement (59) and front housing (6), back cabinet (7) connects to be installed, axostylus axostyle (51, the output shaft (31 of the decelerator (3) of front end 51 ＇) and twin shaft output, 31 ＇) by shaft coupling (32,32 ＇) connect, feed auger rotor (52), forced conveyance helical rotor (53), extrusion dehydration helical rotor (54) is fixed with axostylus axostyle (51) key connecting, be fixedly mounted on backward on the rotor shaft (51) successively in the past, and be provided with rotor location clamp nut (55) at axostylus axostyle (51) rear portion;
1-5, feed auger rotor (52) are the helical blade rotor, forced conveyance helical rotor (53) is the spiral curved tooth profile of tooth rotor that contains engagement mutually fully, and extrusion dehydration helical rotor (54) is for the outer spiral shell of rotor footpath dwindles gradually from front to back, the root footpath increases gradually, the diminishing helical blade rotor of pitch;
1-5, feed auger rotor (52) place in the front housing (6) and with front housing (6) inner chamber matched in clearance and form the screw feeder push feed; Between mmi machine shell (6) and back cabinet (7) and corresponding forced conveyance helical rotor (53), extrusion dehydration helical rotor (54) be provided with to connect and install filter screen casing device (8) and lower filter screen casing device (9);
1-6, upper filter screen casing device (8) and lower filter screen casing device (9) are made of crossbeam and gusset piece support body that constitutes and the rigidity screen cover sheet that is fixedly connected mounted thereto, corresponding between filtering net plate mmi machine shell (6) and back cabinet (7) with the profile of the helical rotor (5,5 ＇) of the engagement fit that is parallel to each other, cover in its appearance, and the identical matched in clearance in maintenance front and back, form the press filtration cavity, filtering net plate its mesh from front to back increases gradually;
The upper end of 1-7, mmi machine shell (6) offers slurry feed mouth (63), offer discharging opening (73) in the lower end of back cabinet (7), be fixedly connected respectively on two rotor shaft in back cabinet (7) (51,51 ＇) and be provided with two swing fork dispersing devices (58,58 ＇), on the upper end of back cabinet (7), also can offer the observation panel (76) of a band detachable cap (74).
2, the described thickener of root a tree name claim 1 is characterized in that:
2-1, upper filter screen casing device (8) by the crossbeam bar (81,81 ＇, 81 "), some connect frame plate (82) and rigidity----metal screen sheet (83), and outside jacket plates (84) constitute; Each connects, and frame plate (82) distributes and (81,81 ＇, 81 ") are fixedly connected the crossbeam bar, and filtering net plate (83) cooperates with connection frame plate (82) lower surface and is fixedly connected.In that (81,81 ＇, 81 ") and connect support body appearance that frame plate (82) the constitutes cover plate (84) that is fixedly connected connect outside jacket plates (84) first line of a couplet between frame plate (82) and are equipped with and are used to the admitting pipe joint (86) of washing by water and cleaning at each by the crossbeam bar;
2-2, lower filter screen casing device (9) by crossbeam bar (91,91 ＇), some connect frame plate (92) and filtering net plate (93), and before and after side outside jacket plates (94,94 ＇) formation; The two ends of crossbeam bar (91,91 ＇) are fixedly connected with front housing body (6) and back cabinet body (7) respectively, each connects frame plate (92) distribution and is fixedly connected with crossbeam bar (91,91 ＇), filtering net plate (93) with connect frame plate (92) upper surface and cooperate connection is installed, outside jacket plates (94,94 ＇) is fixedly connected with the outside of crossbeam bar (91,91 ＇) respectively;
The lower surface of 2-3, upper filter screen casing device (8) and the upper surface of lower filter screen casing device (9) are to cooperate for plane or seam flat seal between crossbeam bar (81,81 ＇) lower surface and crossbeam bar (91, the 91 ＇) upper surface of both sides before and after it, go up hinge (80) hinge-coupled that is provided with by side crossbeam bar (81 ＇, 91 ＇) thereafter between upper filter screen casing device (8) and lower filter screen casing device (9), guard casing device (8) can upwards be raised; On the crossbeam bar of basic front side (81,91) be provided with by with hinged screw rod (95) of sill bar (91) and the quick bolt fastening unit (90) formed with the opening fork (85) that entablature bar (81) is fixedly connected, with fastening being linked together of upper and lower filter casing device (8,9), certain two upper and lower filter casing devices (8,9) but also directly connect by bolted.
3, root a tree name claim 1 or 2 described thickeners is characterized in that:
3-1, front housing (6) and back cabinet (7) are split along the armature spindle center line by loam cake and base two parts and are formed, the loam cake (61) of front housing (6) is connected by bolted with its base (72) with the loam cake (71) of its base (62) and back cabinet (7), slurry feed mouth (63) is offered in the upper end of the loam cake (61) of mmi machine shell (6), discharging opening (73) is offered in lower end at the base (72) of back cabinet (7), offers the observation panel (76) of band detachable cap (74) on the loam cake (71) of back cabinet (7);
Offer groove (65,65 ＇, 75,75 ＇) on the base body (62) of 3-2, front housing (6) and two outsides, front and back of back cabinet (7) base body (72), the crossbeam bar of lower filter screen casing device (9) (91,91 ＇) cooperates with this groove (65,65 ＇, 75,75 ＇) and front and rear casing machine (6,7) screw is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN961194359A CN1064899C (en) | 1996-09-20 | 1996-09-20 | Cocurrent double helix concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN961194359A CN1064899C (en) | 1996-09-20 | 1996-09-20 | Cocurrent double helix concentrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1159388A CN1159388A (en) | 1997-09-17 |
| CN1064899C true CN1064899C (en) | 2001-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN961194359A Expired - Fee Related CN1064899C (en) | 1996-09-20 | 1996-09-20 | Cocurrent double helix concentrator |
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| Country | Link |
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| CN (1) | CN1064899C (en) |
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| CN101926424B (en) * | 2010-05-13 | 2013-08-07 | 孙仁和 | Multi-level flipping type proteopexy cooking machine and fishmeal machine |
| IT1403736B1 (en) * | 2011-01-14 | 2013-10-31 | Atop Spa | PERFECTED BY AN EQUIPMENT FOR THE SHREDDING OF ORGANIC MATERIAL |
| CN102852018A (en) * | 2012-09-11 | 2013-01-02 | 江苏金沃机械有限公司 | Double-screw washing machine |
| CN103892433B (en) * | 2013-05-29 | 2016-01-06 | 广东金科再造烟叶有限公司 | A kind of pair of roll-in crusher carries out the method for Separation of Solid and Liquid in tobacco material extraction |
| CN104014185B (en) * | 2014-06-23 | 2015-09-30 | 中国计量学院 | Mud centrifugal filter press dewater unit |
| CN105346134B (en) * | 2015-11-30 | 2017-01-04 | 湖南金松汽车有限公司 | Solid-liquid separator for sanitation cart |
| CN105972940A (en) * | 2016-06-27 | 2016-09-28 | 宜兴市格兰特干燥浓缩设备有限公司 | Single-rod spiral drying extruder |
| CN107283899A (en) * | 2017-08-10 | 2017-10-24 | 青岛科技大学 | A kind of latex mixed liquor twin-screw dehydration device |
| CN110936647A (en) * | 2018-09-21 | 2020-03-31 | Cbc株式会社 | Solid-liquid separation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1982003820A1 (en) * | 1981-05-07 | 1982-11-11 | Arthur J Hunt | Screw press with continuous slope feed screw |
| EP0358837A1 (en) * | 1988-09-14 | 1990-03-21 | FRATELLI BABBINI & C. sas | Dehydrating screw press with two or more helical elements with intermeshing profiles |
| CN2093083U (en) * | 1991-03-22 | 1992-01-15 | 冯德林 | Spiral oil press |
| CN2210779Y (en) * | 1994-11-09 | 1995-10-25 | 韩华臣 | Screw shaft assembly for screw oil press |
| CN1123221A (en) * | 1994-11-22 | 1996-05-29 | 金英大 | Press with mutiple spiral for dewaterring waste material |
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- 1996-09-20 CN CN961194359A patent/CN1064899C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1982003820A1 (en) * | 1981-05-07 | 1982-11-11 | Arthur J Hunt | Screw press with continuous slope feed screw |
| EP0358837A1 (en) * | 1988-09-14 | 1990-03-21 | FRATELLI BABBINI & C. sas | Dehydrating screw press with two or more helical elements with intermeshing profiles |
| CN2093083U (en) * | 1991-03-22 | 1992-01-15 | 冯德林 | Spiral oil press |
| CN2210779Y (en) * | 1994-11-09 | 1995-10-25 | 韩华臣 | Screw shaft assembly for screw oil press |
| CN1123221A (en) * | 1994-11-22 | 1996-05-29 | 金英大 | Press with mutiple spiral for dewaterring waste material |
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| Publication number | Publication date |
|---|---|
| CN1159388A (en) | 1997-09-17 |
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