CN104057634A - Two-stage spiral shaft and two-stage spiral squeezing and dewatering machine - Google Patents
Two-stage spiral shaft and two-stage spiral squeezing and dewatering machine Download PDFInfo
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- CN104057634A CN104057634A CN201410272891.6A CN201410272891A CN104057634A CN 104057634 A CN104057634 A CN 104057634A CN 201410272891 A CN201410272891 A CN 201410272891A CN 104057634 A CN104057634 A CN 104057634A
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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
- B30B9/125—Control arrangements
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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
- B30B9/121—Screw constructions
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- Treatment Of Sludge (AREA)
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Abstract
The invention discloses a two-stage spiral shaft and a two-stage spiral squeezing and dewatering machine. The two-stage spiral shaft comprises a core shaft, a low-pressure spiral body and a high-pressure spiral body, wherein the low-pressure spiral body is rotatably installed at one end of the core shaft and the high-pressure spiral body is fixedly arranged at the other end of the core shaft. The two-stage spiral squeezing and dewatering machine comprises the two-stage spiral shaft, a rack, a mesh cage, a low-pressure spiral body driving device and a high-pressure spiral body driving device, wherein a feed tank and a discharge tank which are communicated with the cavity of the mesh cage are respectively arranged at the two ends of the mesh cage, and the two-stage spiral shaft is sheathed in the mesh cage. Since the spiral shaft of the two-stage spiral squeezing and dewatering machine comprises the low-pressure spiral body and the high-pressure spiral body which rotate independently and the two independently rotating spiral bodies can respectively rotate at different rotating speeds, different compression ratios can be obtained, the application scope is wide, and the two-stage spiral squeezing and dewatering machine is applicable to squeezing and dewatering multiple materials and can very quickly meet the process requirement of squeezing the materials.
Description
Technical field
The present invention's invention relates to the water-containing materials pressing dewatering processing device technical field for industries such as paper-making pulping, chemical industry and food, beverage processing, particularly a kind of two-stage screw axle and two-stage screw squeezing dewatering machine.
Background technology
The press dewatering processing of water-containing materials is paper-making pulping, chemical industry and food, beverage processing industry, the visual plant in machining process.At present at home, the press dewatering treatment process of outer water-containing materials mainly contains following three kinds of equipment: common spiral pressing dehydrator, belt filter press, plate and frame type filter-press.
Common spiral pressing dehydrator is made up of material feeding box, feed box, cylinder mould, single spirochetal helical axis.Operation principle: water-containing materials enters material feeding box, under the conveyor screw effect of rotation, water-containing materials is in helicla flute, advanced to fine pitch end by coarse pitch end, due to the variation of pitch, the volume of water-containing materials from large to small, compressed gradually, moisture in material sees through cylinder mould and is extruded, and material enters feed box and flows out.
Belt filter press is made up of cylinder, multiple tracks S shape pressure roller, tightening roller, regulating roller, strainer.Operation principle: material is paved between upper and lower strainer, by the expanding force pressing materials of strainer, the moisture in material is discharged by strainer.
Plate and frame type filter-press, is made up of frame, many prescriptions shape sheet frame, filter cloth.Operation principle: rack-mounted many group sheet frames, liner filter cloth, by actuating unit in frame, every group of sheet frame compressed, make every group of sheet frame form an airtight space, material is injected the airtight space of sheet frame by high-pressure pump, material stops after 50-60 minutes under lasting high pressure, and moisture is discharged sheet frame inner chamber by filter cloth.
, respectively there is certain weak point in above three kinds of press dewatering equipment.Common spiral pressing dehydrator, is according under the specific condition that is extruded material and moisture content because spirochetal pitch changes (compression ratio), and determine.Therefore can not adapt to the press dewatering of various materials, be extruded material as changed, equipment need to be done great technological improvement.So an equipment can only be used for a kind of press dewatering of material.Common spiral pressing dehydrator only has a conveyor screw again.Squeezing and charging are same conveyor screw, under same rotating speed, move, and it is not full that therefore material is filled helicla flute, and material filling coefficient can only reach 50%-60%, and wastes power.Belt filter press can move continuously, but is subject to the restriction of strainer tensile strength and S shape pressure roller rigidity, makes the expanding force of filter screen can not be excessive, and the material mass dryness fraction of squeezing can only reach 20% left and right, can not meet the technological requirement that various materials drains.The material mass dryness fraction that plate and frame type filter-press squeezes can reach 40% left and right, but equipment volume is huge, and equipment work is intermittent operation, can not move continuously, and a working cycles needs 1.5-2.0 hours, inefficiency.Belt filter press and plate and frame type filter-press shell are open type, cannot seal therefore material and pollute workshop condition.
Summary of the invention
Defect and the deficiency existing for prior art of the present invention, provides a kind of two-stage screw axle and two-stage screw squeezing dewatering machine.
Technical scheme of the present invention is: a kind of two-stage screw axle, comprise mandrel, low pressure conveyor screw and high-pressure spiral body, and described low pressure conveyor screw is installed in rotation on described mandrel one end, and described high-pressure spiral body is fixed on the described mandrel other end.
In said structure, described low pressure conveyor screw is arranged on mandrel by bearing, and this low pressure conveyor screw contains low-pressure sleeve and is fixed on the low pressure helical blade on low-pressure sleeve outer surface, and described low-pressure sleeve is that diameter becomes large conically shaped structure gradually.
In said structure, described high-pressure spiral body contains high pressure sleeve and is fixed on the high-pressure spiral blade on high pressure sleeve outer surface, described high pressure sleeve becomes gradually large conically shaped and rear portion cylindrical tube by anterior diameter and forms, this high pressure barrel forward end face external diameter equates with low-pressure sleeve rear end face external diameter, and both ends of the surface are mutually conflicted and are close to.
In said structure, described low pressure conveyor screw pitch is greater than high-pressure spiral body pitch.
A kind of two-stage screw squeezing dewatering machine that contains above-mentioned two-stage screw axle, also containing organic frame and rack-mounted cylinder mould, low pressure conveyor screw drive unit and high-pressure spiral body drive, the two ends of described cylinder mould are respectively equipped with the material feeding box and the feed box that are communicated with its inner chamber, described two-stage screw axle sleeve is contained in described cylinder mould, and the low pressure conveyor screw of this two-stage screw axle and high-pressure spiral body form low pressure feed bin and the high pressure feed bin with spatial accommodation with cylinder mould respectively; The spirochetal low-pressure sleeve front end of described low pressure stretches out material feeding box, and the power output shaft of low-pressure sleeve front end and low pressure conveyor screw drive unit is in transmission connection; The power output shaft of described high-pressure spiral body drive and one end of mandrel are in transmission connection, the high pressure sleeve rear end of this high-pressure spiral body stretches into feed box, described high pressure sleeve rear end outside is set with the material plug in order to shutoff cylinder mould, and described material plug is provided with material plug holding device near a side of feed box.
Above-mentioned two-stage screw squeezing dewatering machine also comprises the control device for controlling high-pressure spiral body drive, described control device contains and is arranged on pressure sensor and the control circuit for detection of material pressure in low pressure feed bin on cylinder mould, described pressure sensor is connected with the signal input part of control circuit, and the signal output part of control circuit is connected with high-pressure spiral body drive.
The material plug holding device of above-mentioned two-stage screw squeezing dewatering machine contains and holds out against spring, spring pressure bar and spring spool, described spring spool is fixed on feed box sidewall, this spring spool one end is provided with spring base, the other end is provided with the clamp nut for pushing up the tight spring that bears down on one, one end of described spring pressure bar is fixed on material beyond the Great Wall, and the other end enters in spring spool through spring base and passes clamp nut; Or described material plug holding device is hydraulic cylinder or the pneumatic cylinder being arranged on feed box sidewall.
The two-stage screw axle of above-mentioned two-stage screw squeezing dewatering machine comprises low pressure conveyor screw and high-pressure spiral body, and described low pressure conveyor screw is installed in rotation on described mandrel one end, and described high-pressure spiral body is fixed on the described mandrel other end.
Further, described low pressure conveyor screw is arranged on mandrel by bearing, and this low pressure conveyor screw contains low-pressure sleeve and is fixed on the low pressure helical blade on low-pressure sleeve outer surface, and described low-pressure sleeve is that diameter becomes large conically shaped structure gradually.
Further, described high-pressure spiral body contains high pressure sleeve and is fixed on the high-pressure spiral blade on high pressure sleeve outer surface, described high pressure sleeve becomes gradually large conically shaped and rear portion cylindrical tube by anterior diameter and forms, this high pressure barrel forward end face external diameter equates with low-pressure sleeve rear end face external diameter, and both ends of the surface are mutually conflicted and are close to.
The invention has the beneficial effects as follows:
1, two-stage screw axle of the present invention contains two independent rotations low, high-pressure spiral body, the conveyor screw of two independent rotations can be rotated with different rotating speeds respectively, thereby obtain different compression ratios, make the very fast mass dryness fraction that reaches technological requirement of water-containing materials being extruded, strengthen press dewatering effect, improve press dewatering efficiency.
2, two-stage screw axle of the present invention contains two independent rotations low, high-pressure spiral body, the conveyor screw of two independent rotations can be rotated with different rotating speeds respectively, thereby obtain different compression ratios, applied widely, be applicable to various materials press dewatering and meet very soon material drain technological requirement.
3, the conveyor screw that the helical axis of two-stage screw squeezing dewatering machine of the present invention contains two independent rotations, can be adjusted into respectively different rotary speeies, obtain different compression ratios, make to be extruded material and reach rapidly the mass dryness fraction of manufacturing technique requirent, improve the efficiency of water-containing materials press dewatering; The low pressure conveyor screw of two-stage screw axle and high-pressure spiral body form low pressure feed bin and the high pressure feed bin with spatial accommodation with cylinder mould respectively, water-containing materials enters low pressure feed bin from material feeding box, in low pressure feed bin, after squeezing, enter high-pressure spiral storehouse, make high-pressure spiral body charging abundance, evenly, improve the activity coefficient of material, overcome material sliding phenomenon backward in the helicla flute of high-pressure spiral body, make the real work compression ratio of high-pressure spiral body consistent with design compression ratio.
4, the two-stage screw axial screw body of two-stage screw squeezing dewatering machine of the present invention is driven by two motors respectively, because high-pressure spiral body and low pressure conveyor screw consumption of power when the rotating operation is different, high-pressure spiral body consumption of power is large, low pressure conveyor screw consumption of power is less, again because the rotary inertia of the high-pressure spiral body of two-stage screw axle is much smaller than the rotary inertia of common spiral pressing dehydrator helical axis, so with the spiral pressing dehydrator of Isoquant, the total output of two-stage screw squeezing dewatering machine can be saved power consumption 15%-20% than common spiral pressing dehydrator.
5, two-stage screw squeezing dewatering machine of the present invention contains material plug and material plug holding device, and when the material in high pressure feed bin reaches certain mass dryness fraction, material pressure is greater than material plug holding device pressure and is, material backs down material plug,
flow tofeed box, and the pressure of adjusting material plug holding device can control the mass dryness fraction of material processing, strengthens press dewatering effect, and easy to use, easy operating.
6, two-stage screw squeezing dewatering machine of the present invention is provided with the pressure sensor for detection of material pressure in low pressure feed bin, in the time that low pressure feed bin reaches certain pressure, high-pressure spiral body is started working, low pressure feed bin does not reach certain pressure high-pressure spiral body and does not work, and saves energy consumption, reduces costs.
7, two-stage screw squeezing dewatering machine volume of the present invention is little and can move continuously, and operating efficiency is high, and power consumption is few, meets the relevant environmental protection policy requirement and simple in structure of country, easy to use, is easy to promotion and implementation.
Brief description of the drawings
Fig. 1 is the perspective view of two-stage screw axle of the present invention;
Fig. 2 is the blast structural representation of two-stage screw of the present invention;
Fig. 3 is the perspective view of the low pressure spiral of two-stage screw of the present invention;
Fig. 4 is the perspective view of the high-pressure spiral of two-stage screw of the present invention;
Fig. 5 is the structural representation of two-stage screw squeezing dewatering machine of the present invention;
Fig. 6 is the structure for amplifying schematic diagram of A in Fig. 5.
The meaning of number in the figure representative is: 1, mandrel, 2, low pressure conveyor screw, 3, high-pressure spiral body, 4, frame, 5, material plug holding device, 6, material plug, 7, high pressure feed bin, 8, low pressure feed bin, 9, low-voltage driving device, 10, material feeding box, 11, pressure sensor, 12, cylinder mould, 13, feed box, 14, high-pressure spiral body drive, 15, bearing, wherein, 2-1, low-pressure sleeve, 2-2, low pressure helical blade, 3-1, high pressure sleeve, 3-2, high-pressure spiral blade, 5-1, spring pressure bar, 5-2, hold out against spring, 5-3, spring spool, 5-4, clamp nut, 5-5, spring base, 5-6, baffle plate.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the present invention is described in further detail:
Embodiment: referring to Fig. 1 to Fig. 4, a kind of two-stage screw axle, comprises mandrel 1, low pressure conveyor screw 2 and high-pressure spiral body 3, and described low pressure conveyor screw 2 is installed in rotation on described mandrel 1 one end, and described high-pressure spiral body 3 is fixed on described mandrel 1 other end.
In said structure, described low pressure conveyor screw 2 is arranged on mandrel by bearing, this low pressure conveyor screw contains low-pressure sleeve 2-1 and is fixed on the low pressure helical blade 2-2 on low-pressure sleeve 2-1 outer surface, and described low-pressure sleeve 2-1 is that diameter becomes large conically shaped structure gradually; Between low-pressure sleeve 2-1 two ends inner surface and mandrel 1, be respectively equipped with bearing, the inner surface of the low-pressure sleeve 2-1 in bearing 15 outsides is also offered the groove for oil sealing is installed.
In said structure, described high-pressure spiral body 3 contains high pressure sleeve 3-1 and is fixed on the high-pressure spiral blade 3-2 on high pressure sleeve 3-1 outer surface, described high pressure sleeve 3-1 becomes gradually large conically shaped and rear portion cylindrical tube by anterior diameter and forms, this high pressure sleeve 3-1 front end face external diameter equates with low-pressure sleeve 2-1 rear end face external diameter, and both ends of the surface are mutually conflicted and are close to prevent that material from clamping between two sleeves forms and stop up.
In said structure, described low pressure conveyor screw 2 pitch are greater than high-pressure spiral body 3 pitch.
Embodiment 2: referring to Fig. 1 to Fig. 6, a kind of two-stage screw squeezing dewatering machine of the two-stage screw axle that contains embodiment 1, also contain organic frame 4 and be arranged on the cylinder mould 12 in frame 4, low pressure conveyor screw drive unit 9 and high-pressure spiral body drive 4, the two ends of described cylinder mould 12 are respectively equipped with the material feeding box 10 and the feed box 13 that are communicated with its inner chamber, described two-stage screw axle sleeve is contained in described cylinder mould 12, the mandrel 1 of double-pole spiral axle run through cylinder mould 12 and by bearing and bearing block be arranged on into, feed box 10, on 13 sidewall, the low pressure conveyor screw 2 of this two-stage screw axle and high-pressure spiral body 3 form low pressure feed bin 8 and the high pressure feed bin 7 with spatial accommodation with cylinder mould 12 respectively, the low-pressure sleeve 2-1 front end of described low pressure conveyor screw 2 stretches out material feeding box 10, and the power output shaft of low-pressure sleeve front end and low pressure conveyor screw drive unit 9 adopts the common mechanical kind of drive to be in transmission connection, such as belt transmission, chain transmission, gear drive etc.Low pressure conveyor screw drive unit 9 comprises motor and reductor, and motor provides power for low pressure conveyor screw 2, and reductor is adjusted low pressure conveyor screw rotation status, and motor and reductor terminal box are led to and connect.When the power output shaft of low-pressure sleeve front end and low pressure conveyor screw drive unit 9 adopts chain transmission, drive sprocket is arranged on the main shaft of reductor, driven sprocket is arranged on low-pressure sleeve 2 and stretches out on material feeding box 10 part outer walls, and the chain (referring to Fig. 5) matching is installed on two sprocket wheels.The power output shaft of described high-pressure spiral body drive 14 and one end of mandrel adopt common mechanical to be in transmission connection, and such as the conventional kinds of drive such as adopting shaft coupling, belt transmission, chain transmission or gear drive connects, do not describe in detail herein.Feed box 13 is stretched in the high pressure sleeve 3-1 rear end of high-pressure spiral body 3, outside, described high pressure sleeve 3-1 rear end is set with the material plug 6 in order to shutoff cylinder mould, described material plug 6 is provided with material plug holding device 5 near a side of feed box 13, and this material plug can be along rectilinear movement before and after the cylindrical tube at high-pressure spiral body 3 rear portions under the driving of holding device.
Above-mentioned two-stage screw squeezing dewatering machine also comprises the control device for controlling high-pressure spiral body drive 14, described control device contains and is arranged on pressure sensor 11 and the control circuit for detection of low pressure feed bin 8 interior material pressures on cylinder mould 12, described pressure sensor 11 is connected with the signal input part of control circuit, and the signal output part of control circuit is connected with high-pressure spiral body drive.Control circuit adopts general control circuit in prior art, sends fill order and drives the motor of high-pressure spiral body drive 14 to rotate thereby this control circuit can receive signal that pressure sensor detects analytic signal.The present invention adopts PLC Programmable Logic Controller, the signal that pressure sensor 11 detects is connected with the signal input part of PLC Programmable Logic Controller through A/D converter or D/A converter, the signal output port of PLC Programmable Logic Controller is connected with motor through the contact of relay, and the coil of relay is connected with another signal output port of PLC control able to programme.
Referring to Fig. 6, the material plug holding device of above-mentioned two-stage screw squeezing dewatering machine contains and holds out against spring 5-2, spring pressure bar 5-1 and spring spool 5-3, described spring spool 5-3 is fixed on feed box 13 sidewalls, this spring spool 5-3 one end is provided with spring base 5-5, the other end is provided with the clamp nut 5-4 for pushing up the tight spring 5-2 that bears down on one, one end of described spring pressure bar 5-2 is fixed on material plug 6, the other end enters in spring spool 5-3 through spring base 5-2 and passes clamp nut 5-4, spring pressure bar 5-1 passes on one end of clamp nut 5-4 and is also fixedly connected with limiting plate 5-6.When the interior material of high pressure feed bin 7 reaches certain mass dryness fraction, material pressure is greater than when holding out against spring 5-2 and applying the pressure of feed plug 6, and material backs down material plug flow and goes out feed box 13, and the pressure of adjusting spring pressure bar 5-1 can be controlled the discharging mass dryness fraction of material.Or described material plug holding device 5 is for being arranged on hydraulic cylinder or the pneumatic cylinder on feed box 13 sidewalls, and described hydraulic cylinder is connected with hydraulic power unit, and described pneumatic cylinder is connected with air pressure pumping plant.
The two-stage screw axle of above-mentioned two-stage screw squeezing dewatering machine comprises mandrel 1, low pressure conveyor screw 2 and high-pressure spiral body 3, and described low pressure conveyor screw 2 is installed in rotation on described mandrel 1 one end, and described high-pressure spiral body 3 is fixed on described mandrel 1 other end.
Further, described low pressure conveyor screw 2 is arranged on mandrel by bearing, described bearing is positioned at the rear and front end of low-pressure sleeve 2-1, the outside of bearing is also provided with oil sealing, described low pressure conveyor screw contains low-pressure sleeve 2-1 and is fixed on the low pressure helical blade 2-2 on low-pressure sleeve 2-1 outer surface, and described low-pressure sleeve 2-1 is that diameter becomes large conically shaped structure gradually; Between low-pressure sleeve 2-1 two ends inner surface and mandrel 1, be respectively equipped with bearing, the inner surface of the low-pressure sleeve 2-1 in bearing 15 outsides is also offered the groove for oil sealing is installed.
Further, described high-pressure spiral body 3 contains high pressure sleeve 3-1 and is fixed on the high-pressure spiral blade 3-2 on high pressure sleeve 3-1 outer surface, described high pressure sleeve 3-1 becomes gradually large conically shaped and rear portion cylindrical tube by anterior diameter and forms, this high pressure sleeve 3-1 front end face external diameter equates with low-pressure sleeve 2-1 rear end face external diameter, and both ends of the surface are mutually conflicted and are close to is that both ends of the surface are bonded to each other, forms and stop up to prevent that material from clamping between two sleeves.
In said structure, described low pressure conveyor screw 2 pitch are greater than high-pressure spiral body 3 pitch.
The charging aperture place, feed box top of two-stage screw squeezing dewatering machine of the present invention is also provided with feed bin (figure does not draw), in order to make charging that feed appliance or agitator evenly can be installed in feed bin.
The course of work of two-stage screw squeezing dewatering machine of the present invention: the low pressure conveyor screw 2 of two-stage screw axle drives rotation by low pressure conveyor screw drive unit 9, be extruded material and promote to enter the cylinder mould 12 of sealing by low pressure conveyor screw 2 in material feeding box 10, after cylinder mould 12 dehydrations, enter low pressure feed bin 8 with certain pressure, in the interior further dehydration of low pressure feed bin 8, when reaching after the pressure of setting, pressure sensor 11 sends signal, control circuit control high-pressure spiral body drive 14 starts to start, high-pressure spiral body 3 starts rotation under high-pressure spiral body drive 14 drives, under the effect of high-pressure spiral body 3, volume of material is again compressed gradually, form powerful extruding force, moisture in material is discharged through cylinder mould 12.After dehydration, material moves on, and enters high pressure feed bin 7, reaches after the mass dryness fraction of setting at the interior material of high pressure feed bin 7, and material backs down material plug 6 and goes out from feed box row 13.
Above detailed description of the invention is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of making, is equal to replacement, improves, within all should being included in protection scope of the present invention.
Claims (10)
1. a two-stage screw axle, comprises mandrel, it is characterized in that: two-stage screw axle also comprises low pressure conveyor screw and high-pressure spiral body, and described low pressure conveyor screw is installed in rotation on described mandrel one end, and described high-pressure spiral body is fixed on the described mandrel other end.
2. two-stage screw axle according to claim 1, it is characterized in that: described low pressure conveyor screw is arranged on mandrel by bearing, this low pressure conveyor screw contains low-pressure sleeve and is fixed on the low pressure helical blade on low-pressure sleeve outer surface, and described low-pressure sleeve is that diameter becomes large conically shaped structure gradually.
3. two-stage screw axle according to claim 1, it is characterized in that: described high-pressure spiral body contains high pressure sleeve and is fixed on the high-pressure spiral blade on high pressure sleeve outer surface, described high pressure sleeve becomes gradually large conically shaped and rear portion cylindrical tube by anterior diameter and forms, this high pressure barrel forward end face external diameter equates with low-pressure sleeve rear end face external diameter, and both ends of the surface are mutually conflicted and are close to.
4. two-stage screw axle according to claim 1, is characterized in that: described low pressure conveyor screw pitch is greater than high-pressure spiral body pitch.
5. a two-stage screw squeezing dewatering machine that contains the two-stage screw axle described in claim 1-4 any one, also containing organic frame and rack-mounted cylinder mould, low pressure conveyor screw drive unit and high-pressure spiral body drive, the two ends of described cylinder mould are respectively equipped with the material feeding box and the feed box that are communicated with its inner chamber, it is characterized in that: described two-stage screw axle sleeve is contained in described cylinder mould, the low pressure conveyor screw of this two-stage screw axle and high-pressure spiral body form low pressure feed bin and the high pressure feed bin with spatial accommodation with cylinder mould respectively; The spirochetal low-pressure sleeve front end of described low pressure stretches out material feeding box, and the power output shaft of low-pressure sleeve front end and low pressure conveyor screw drive unit is in transmission connection; The power output shaft of described high-pressure spiral body drive and one end of mandrel are in transmission connection, the high pressure sleeve rear end of this high-pressure spiral body stretches into feed box, described high pressure sleeve rear end outside is set with the material plug in order to shutoff cylinder mould, and described material plug is provided with material plug holding device near a side of feed box.
6. the two-stage screw squeezing dewatering machine of two-stage screw axle according to claim 5, it is characterized in that: two-stage screw squeezing dewatering machine also comprises the control device for controlling high-pressure spiral body drive, described control device contains and is arranged on pressure sensor and the control circuit for detection of material pressure in low pressure feed bin on cylinder mould, described pressure sensor is connected with the signal input part of control circuit, and the signal output part of control circuit is connected with high-pressure spiral body drive.
7. the two-stage screw squeezing dewatering machine of two-stage screw axle according to claim 5, it is characterized in that: described material plug holding device contains and holds out against spring, spring pressure bar and spring spool, described spring spool is fixed on feed box sidewall, this spring spool one end is provided with spring base, the other end is provided with the clamp nut for pushing up the tight spring that bears down on one, one end of described spring pressure bar is fixed on material beyond the Great Wall, and the other end enters in spring spool through spring base and passes clamp nut; Or described material plug holding device is hydraulic cylinder or the pneumatic cylinder being arranged on feed box sidewall.
8. the two-stage screw squeezing dewatering machine of two-stage screw axle according to claim 5, it is characterized in that: described two-stage screw axle comprises low pressure conveyor screw and high-pressure spiral body, described low pressure conveyor screw is installed in rotation on described mandrel one end, and described high-pressure spiral body is fixed on the described mandrel other end.
9. the two-stage screw squeezing dewatering machine of two-stage screw axle according to claim 8, it is characterized in that: described low pressure conveyor screw is arranged on mandrel by bearing, this low pressure conveyor screw contains low-pressure sleeve and is fixed on the low pressure helical blade on low-pressure sleeve outer surface, and described low-pressure sleeve is that diameter becomes large conically shaped structure gradually.
10. the two-stage screw squeezing dewatering machine of two-stage screw axle according to claim 8, it is characterized in that: described high-pressure spiral body contains high pressure sleeve and is fixed on the high-pressure spiral blade on high pressure sleeve outer surface, described high pressure sleeve becomes gradually large conically shaped and rear portion cylindrical tube by anterior diameter and forms, this high pressure barrel forward end face external diameter equates with low-pressure sleeve rear end face external diameter, and both ends of the surface are mutually conflicted and are close to.
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| CN201410272891.6A CN104057634A (en) | 2014-06-19 | 2014-06-19 | Two-stage spiral shaft and two-stage spiral squeezing and dewatering machine |
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| CN201410272891.6A CN104057634A (en) | 2014-06-19 | 2014-06-19 | Two-stage spiral shaft and two-stage spiral squeezing and dewatering machine |
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| CN104608419A (en) * | 2015-01-30 | 2015-05-13 | 河南百汇环境工程有限公司 | Discharging structure of screw press dehydrator |
| CN104960678A (en) * | 2015-05-20 | 2015-10-07 | 伊春技师学院 | Spiral conveying mechanism for edible fungi bagging machine capable of automatically controlling compactness and conveying method |
| CN107282179A (en) * | 2017-08-24 | 2017-10-24 | 广东惜福环保科技有限公司 | Garbage dewatering device and refuse disposal system |
| CN107498909A (en) * | 2017-08-11 | 2017-12-22 | 苏州妙文信息科技有限公司 | A kind of energy-saving rotary type refuse compressor |
| CN108284635A (en) * | 2018-01-25 | 2018-07-17 | 四川广鑫粮油机械制造有限公司 | A kind of screw oil expeller with circulating cooling system |
| CN112009006A (en) * | 2020-09-10 | 2020-12-01 | 江苏森荣环保科技有限公司 | Grease squeezing equipment for harmless treatment of livestock and poultry |
| CN112046065A (en) * | 2020-08-06 | 2020-12-08 | 国药集团北京华邈药业有限公司 | Massa Medicata Fermentata system piece equipment |
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| CN104608419A (en) * | 2015-01-30 | 2015-05-13 | 河南百汇环境工程有限公司 | Discharging structure of screw press dehydrator |
| CN104960678A (en) * | 2015-05-20 | 2015-10-07 | 伊春技师学院 | Spiral conveying mechanism for edible fungi bagging machine capable of automatically controlling compactness and conveying method |
| CN107498909A (en) * | 2017-08-11 | 2017-12-22 | 苏州妙文信息科技有限公司 | A kind of energy-saving rotary type refuse compressor |
| CN107282179A (en) * | 2017-08-24 | 2017-10-24 | 广东惜福环保科技有限公司 | Garbage dewatering device and refuse disposal system |
| CN108284635A (en) * | 2018-01-25 | 2018-07-17 | 四川广鑫粮油机械制造有限公司 | A kind of screw oil expeller with circulating cooling system |
| CN108284635B (en) * | 2018-01-25 | 2019-12-17 | 四川广鑫粮油机械制造有限公司 | screw oil press with circulating cooling system |
| CN112046065A (en) * | 2020-08-06 | 2020-12-08 | 国药集团北京华邈药业有限公司 | Massa Medicata Fermentata system piece equipment |
| CN112009006A (en) * | 2020-09-10 | 2020-12-01 | 江苏森荣环保科技有限公司 | Grease squeezing equipment for harmless treatment of livestock and poultry |
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Application publication date: 20140924 |