CN204296066U - A kind of screw extrusion dewater unit for changing food waste processed - Google Patents
A kind of screw extrusion dewater unit for changing food waste processed Download PDFInfo
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- CN204296066U CN204296066U CN201420652355.4U CN201420652355U CN204296066U CN 204296066 U CN204296066 U CN 204296066U CN 201420652355 U CN201420652355 U CN 201420652355U CN 204296066 U CN204296066 U CN 204296066U
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- food waste
- changing food
- helical axis
- sieve cage
- screw extrusion
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Abstract
The utility model discloses a kind of screw extrusion dewater unit for changing food waste processed, it is by adopting varying pitch, becoming the helical axis of diameter of axle structure, the wedge wire screen net of sieve basket structure form, and set up the series technique means such as anti-backpressure device in sieve cage assembly rear end, when helical axis is rotated, in the impetus of helical axis, material is progressively squeezed along discharge end direction, and along with the progressively reduction of the material volume between pitch, suffered extruding force is also increasing, thus effectively can slough the moisture in changing food waste; The dehydration mediators of dewaterer is wedge wire screen web frame, is conducive to the liquid part that squeezes out and the thin slag of part is flowed out by wedge wire screen net in time, and solid content is then discharged by discharging opening.The utility model has that structure is simple, dehydrating effect good, dewatering efficiency high.
Description
Technical field
The utility model relates to a kind of screw extrusion dewater unit, particularly relates to a kind of screw extrusion dewater unit for changing food waste processed.
Background technology
Both containing moisture in changing food waste, also containing grease.According to statistics, the water content in changing food waste is about 65 ~ 95%, and this part moisture is present in again in rubbish by different way, and wherein, free water accounts for 20 ~ 40% of rubbish total amount, and this water is easily removing.In addition, also having 15 ~ 30 is an intergranular water, and this part water is present between granulated garbage, due to intergranular active force, needs larger power to remove; Remaining is then intermolecular Bound moisture, and it is intermolecular that this part water is present in material, remove the active force that this part water then needs between saboteur, and because molecular separating force is comparatively large, remove this part water needs very large effect to realize.
In addition, after kitchen garbage pulverizing, particle increases, thus its Free water is reduced, and an intergranular water increases.
Further, the complicated of changing food waste, dewater, outside solid content also containing a large amount of lubricant components, moisture in changing food waste be sloughed and oil content needs larger operating pressure to realize.
And due to a large amount of existence of the irregular and lubricant component of solid rubbish in changing food waste, general filter medium is difficult to realize changing food waste dehydration.
In a word, in changing food waste processed, the processed aspect of changing food waste particularly after pulverizing, various dehydration equipment of the prior art is all difficult to ensure taking into account of dehydrating effect and dewatering efficiency simultaneously.That is, ensureing that good dehydrating effect often there is the low shortcoming of dewatering efficiency, or often occurring again the deficiency that moisture content clearance is not high, dehydrating effect is bad when account for dewatering efficiency.
Utility model content
The purpose of this utility model is, provides the screw extrusion dewater unit for changing food waste processed that a kind of structure is simple, dehydrating effect good, dewatering efficiency is high.
The technical scheme that the utility model is adopted for achieving the above object is, for a screw extrusion dewater unit for changing food waste processed, comprise reductor, dewaterer and frame, wherein, dewaterer is arranged in frame, passes through chain drive between reductor and dewaterer; It is characterized in that,
Described dewaterer comprises case, sieve cage assembly and helical axis from outside to inside successively;
Described sieve cage assembly is fixedly connected with described case by flange;
Described case is respectively arranged with charging aperture and discharging opening;
The front end of described sieve cage is provided with a material inlet;
The central axis of described material inlet and described charging aperture is on same straight line;
Described helical axis comprises spiral mandrel and is welded on the blade on spiral mandrel;
Described spiral mandrel is with tapering being welded with in blade sections, and from charging aperture to the direction of discharging opening, its diameter increases successively;
The pitch of described blade, reduces successively from charging aperture to the direction of discharging opening.
The technique effect that technique scheme is directly brought is, helical axis adopts reducing varying pitch structure, this version, material volume between pitch is progressively reduced, when helical axis rotates, in the impetus of helical axis, material is progressively squeezed along discharge end direction, and extruding force is also increasing, thus effectively can slough the moisture in changing food waste.
As preferred embodiment, above-mentioned case is two-part structure, comprises front end and back segment, and described back segment is positioned at the rear of described sieve cage assembly;
Described rear intersegmental part is also provided with an anti-backpressure device;
Described backpressure device comprises and is sleeved on adjustment cone on described helical axis and adjusting sleeve from left to right successively;
The taper end of described adjustment cone towards described sieve cage assembly, and stretches into the cylinder interior of described sieve cage assembly, and the outside diameter of described adjustment cone is greater than the barrel bore of described sieve cage assembly;
Described adjusting sleeve is approximate hubbed flange version, and threaded and be equipped with adjusting nut on the neck of described hubbed flange, the neck between the flange face of described adjusting nut and described hubbed flange is set with spring;
Flange face and the described case of described hubbed flange are bolted to connection.
The technique effect that this optimal technical scheme is directly brought is, by the pressure of the nut adjustable springs in adjustment adjusting sleeve, thus adjustment back-pressure cone and the distance with sieve cage discharging opening, reach the object of adjustment discharging opening size;
Backpressure device by adjustment discharging opening size, and then reaches the effect of speed governing dewaterer internal pressure, thus the moisture be more conducive in material is fully extruded.
Further preferably, a paddle agitating device is also provided with below above-mentioned charging aperture; The axle head of described paddle agitating device is provided with sprocket wheel, and described sprocket wheel passes through chain drive by the drive sprocket of described helical axis.
The technique effect that this optimal technical scheme is directly brought is, arranges a paddle agitating device below charging aperture, can effectively prevent feed end from occurring material extrusion.
Further preferably, the grating on the cylinder of above-mentioned sieve cage assembly is wide outside and narrow inside trapezoidal on the cross section along sieve cage radial direction.
The technique effect that this optimal technical scheme is directly brought is, according to the characteristic of changing food waste, the grating of this version, the fine particle be conducive in changing food waste is discharged, not easily blocking, easy cleaning.
Further preferably, above-mentioned helical axis is also welded with a back-up ring near described encloser inner wall position.
The technique effect that this optimal technical scheme is directly brought is, this bearing link mainly in order to prevent the water in changing food waste from entering helical axis.
Further preferably, angle at 45 ° between the stirrer paddle of above-mentioned paddle agitating device and shaft; The outer bore being diametrically more than or equal to described charging aperture of described stirrer paddle.
The technique effect that this optimal technical scheme is directly brought is, stirs leaf and shaft installation at 45 °, the outer bore being diametrically more than or equal to described charging aperture of its stirrer paddle, can not form the generation of the material material extrusion phenomenon caused by dead angle.
Further preferably, the blade of above-mentioned helical axis is welded with some catch.
The technique effect that this optimal technical scheme is directly brought is, because the oil content contained in changing food waste can play the effect of lubrication thus the motive force of reduction conveying worm, therefore on blade, welds uneven catch, effectively can improve the motive force of conveying worm.
For understanding the utility model better, the operation principle now in conjunction with screw extrusion dewaterer of the present utility model is described in detail:
During the work of screw extrusion dewaterer, after material is entered by charging aperture, part free water is wherein separated with solid rubbish under gravity, is discharged by sieve cage.Remaining rubbish then drives helical axis to rotate by buncher, and material is promoted to discharge end.Helical axis is a varying pitch, and become diameter of axle structure, the volume between its pitch diminishes gradually.When auger material travels forward, along with diminishing of pitch, material is squeezed.Simultaneously in order to increase pressure, having a taper adjustment disk except material mouth place, regulate the size of discharging opening.Under the effect of reducing, varying pitch and adjustment block plate, the material in dewaterer is subject to very large pressure, and liquid part is wherein squeezed out.The dehydration mediators of dewaterer selects wedge wire screen net, and sieve kerf spacing is 0.5 ~ 1mm, the wedge wire screen net that the technique of dewatering as required can select different seam wide.The liquid part squeezed out and the thin slag of part, flowed out by wedge wire screen net, solid content is then discharged in fermentation tank by discharging opening.In dewaterer outside, shell is housed, after the liquid collection that bar sieve mesh flows out, is discharged by delivery port.
In sum, the utility model, relative to prior art, has the beneficial effects such as structure is simple, dehydrating effect good, dewatering efficiency is high.
Accompanying drawing explanation
Fig. 1 is that axle of the present utility model surveys perspective view;
Fig. 2 is dewaterer internal structure schematic diagram of the present utility model;
Fig. 3 is screw shaft structure schematic diagram of the present utility model;
Fig. 4 is the cross-sectional view of the grating of sieve cage assembly of the present utility model;
Fig. 5 is backpressure device structural representation of the present utility model.
Description of reference numerals: 1 reductor, 2 chains, 3 dewaterers, 4 frames, 5 cases, 6 sieve cage assemblies, 7 helical axis, 8 flanges, 9 charging apertures, 10 discharging openings, 11 material inlets, 12 spiral mandrels, 13 blades, 14 backpressure devices, 15 adjusting sleeves, 16 back-pressure cones, 17 springs, 18 adjusting nuts, 19 paddle agitating devices, 20 sprocket wheels, 21 chains, 22 back-up rings, 23 gratings.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figure 1, the screw extrusion dewater unit for changing food waste processed of the present utility model, comprises reductor 1, dewaterer 3 and frame 4, and wherein, dewaterer 3 is arranged in frame 4, by chain 2 transmission between reductor 1 and dewaterer 3; It is characterized in that,
As shown in Figure 2 and Figure 3, above-mentioned dewaterer comprises case 5, sieve cage assembly 6 and helical axis 7 from outside to inside successively;
Above-mentioned sieve cage assembly 6 is fixedly connected with above-mentioned case 5 by flange 8;
Above-mentioned case 5 is respectively arranged with charging aperture 9 and discharging opening 10;
The front end of above-mentioned sieve cage is provided with a material inlet 11;
The central axis of above-mentioned material inlet 11 and above-mentioned charging aperture 9 is on same straight line;
The blade 13 that above-mentioned helical axis 7 comprises spiral mandrel 12 and is welded on spiral mandrel;
Above-mentioned spiral mandrel 12 is with tapering being welded with in blade sections, and from charging aperture to the direction of discharging opening, its diameter increases successively;
The pitch of above-mentioned blade, reduces successively from the direction of charging aperture 9 to discharging opening 10.
Above-mentioned case 5 is two-part structure, comprises front end and back segment, and above-mentioned back segment is positioned at the rear of above-mentioned sieve cage assembly 6;
As shown in Fig. 2, Fig. 5, above-mentioned rear intersegmental part is also provided with an anti-backpressure device 14;
Above-mentioned backpressure device 14 comprises and is sleeved on adjustment cone 16 on above-mentioned helical axis and adjusting sleeve 15 from left to right successively;
The taper end of above-mentioned adjustment cone towards above-mentioned sieve cage assembly 6, and stretches into the cylinder interior of above-mentioned sieve cage assembly, and the outside diameter of above-mentioned adjustment cone 16 is greater than the barrel bore of above-mentioned sieve cage assembly;
Above-mentioned adjusting sleeve 15 is approximate hubbed flange version, and threaded and be equipped with adjusting nut 18 on the neck of described hubbed flange, the neck between described adjusting nut 18 and the flange face of described hubbed flange is set with spring 17;
Flange face and the described case of above-mentioned hubbed flange are bolted to connection.
Be preferably, below above-mentioned charging aperture 9, be also provided with a paddle agitating device 19;
The axle head of above-mentioned paddle agitating device is provided with sprocket wheel 20, and above-mentioned sprocket wheel 20 passes through chain 21 transmission by the drive sprocket of above-mentioned helical axis.
As shown in Figure 4, being preferably, the grating 23 on the cylinder of above-mentioned sieve cage assembly, the cross section along sieve cage radial direction is wide outside and narrow inside trapezoidal.
Be preferably, above-mentioned helical axis 7 is also welded with a back-up ring 22 near above-mentioned encloser inner wall position.
Be preferably, angle at 45 ° between the stirrer paddle of above-mentioned paddle agitating device and shaft;
The outer bore being diametrically more than or equal to above-mentioned charging aperture of above-mentioned stirrer paddle.
Be preferably, the blade 13 of above-mentioned helical axis is welded with some catch (not shown)s.
Claims (7)
1. for a screw extrusion dewater unit for changing food waste processed, comprise reductor, dewaterer and frame, wherein, dewaterer is arranged in frame, passes through chain drive between reductor and dewaterer; It is characterized in that,
Described dewaterer comprises case, sieve cage assembly and helical axis from outside to inside successively;
Described sieve cage assembly is fixedly connected with described case by flange;
Described case is respectively arranged with charging aperture and discharging opening;
The front end of described sieve cage is provided with a material inlet;
The central axis of described material inlet and described charging aperture is on same straight line;
Described helical axis comprises spiral mandrel and is welded on the blade on spiral mandrel;
Described spiral mandrel is with tapering being welded with in blade sections, and from charging aperture to the direction of discharging opening, its diameter increases successively;
The pitch of described blade, reduces successively from charging aperture to the direction of discharging opening.
2. the screw extrusion dewater unit for changing food waste processed according to claim 1, it is characterized in that, described case is two-part structure, comprises front end and back segment, and described back segment is positioned at the rear of described sieve cage assembly;
Described rear intersegmental part is also provided with an anti-backpressure device;
Described backpressure device comprises and is sleeved on adjustment cone on described helical axis and adjusting sleeve from left to right successively;
The taper end of described adjustment cone towards described sieve cage assembly, and stretches into the cylinder interior of described sieve cage assembly, and the outside diameter of described adjustment cone is greater than the barrel bore of described sieve cage assembly;
Described adjusting sleeve is approximate hubbed flange version, and threaded and be equipped with adjusting nut on the neck of described hubbed flange, the neck between the flange face of described adjusting nut and described hubbed flange is set with spring;
Flange face and the described case of described hubbed flange are bolted to connection.
3. the screw extrusion dewater unit for changing food waste processed according to claim 1, is characterized in that, is also provided with a paddle agitating device below described charging aperture;
The axle head of described paddle agitating device is provided with sprocket wheel, and described sprocket wheel passes through chain drive by the drive sprocket of described helical axis.
4. the screw extrusion dewater unit for changing food waste processed according to claim 1, is characterized in that, the grating on the cylinder of described sieve cage assembly, the cross section along sieve cage radial direction is wide outside and narrow inside trapezoidal.
5. the screw extrusion dewater unit for changing food waste processed according to claim 1, is characterized in that, described helical axis is also welded with a back-up ring near described encloser inner wall position.
6. the screw extrusion dewater unit for changing food waste processed according to claim 1, is characterized in that, angle at 45 ° between the stirrer paddle of described paddle agitating device and shaft;
The outer bore being diametrically more than or equal to described charging aperture of described stirrer paddle.
7. the screw extrusion dewater unit for changing food waste processed according to claim 1, is characterized in that, the blade of described helical axis is welded with some catch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420652355.4U CN204296066U (en) | 2014-11-04 | 2014-11-04 | A kind of screw extrusion dewater unit for changing food waste processed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420652355.4U CN204296066U (en) | 2014-11-04 | 2014-11-04 | A kind of screw extrusion dewater unit for changing food waste processed |
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| Publication Number | Publication Date |
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| CN204296066U true CN204296066U (en) | 2015-04-29 |
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| CN201420652355.4U Expired - Fee Related CN204296066U (en) | 2014-11-04 | 2014-11-04 | A kind of screw extrusion dewater unit for changing food waste processed |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739085A (en) * | 2016-12-07 | 2017-05-31 | 上海迈正环境科技有限公司 | A kind of kitchen garbage is dehydrated deslagging device |
| CN107599477A (en) * | 2017-10-27 | 2018-01-19 | 淄博昱明通风设备有限公司 | A kind of dehydration reducing device for kitchen garbage |
| CN109249637A (en) * | 2018-11-26 | 2019-01-22 | 蓝德环保科技集团股份有限公司 | Spiral shell pressing dehydrator and dewatering |
| CN110749165A (en) * | 2019-10-26 | 2020-02-04 | 广西大学 | Grass powder water press |
| CN111678296A (en) * | 2020-05-20 | 2020-09-18 | 广州伟烨船舶设备有限公司 | High water content garbage dewatering device |
| CN113405325A (en) * | 2021-06-22 | 2021-09-17 | 上海诚权环保科技有限公司 | Extrusion dewatering device |
-
2014
- 2014-11-04 CN CN201420652355.4U patent/CN204296066U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739085A (en) * | 2016-12-07 | 2017-05-31 | 上海迈正环境科技有限公司 | A kind of kitchen garbage is dehydrated deslagging device |
| CN107599477A (en) * | 2017-10-27 | 2018-01-19 | 淄博昱明通风设备有限公司 | A kind of dehydration reducing device for kitchen garbage |
| CN109249637A (en) * | 2018-11-26 | 2019-01-22 | 蓝德环保科技集团股份有限公司 | Spiral shell pressing dehydrator and dewatering |
| CN110749165A (en) * | 2019-10-26 | 2020-02-04 | 广西大学 | Grass powder water press |
| CN111678296A (en) * | 2020-05-20 | 2020-09-18 | 广州伟烨船舶设备有限公司 | High water content garbage dewatering device |
| CN111678296B (en) * | 2020-05-20 | 2024-03-29 | 广东伟烨船舶设备有限公司 | High-water-content garbage dewatering device |
| CN113405325A (en) * | 2021-06-22 | 2021-09-17 | 上海诚权环保科技有限公司 | Extrusion dewatering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20161104 |