CN103084237B - Geometric-pitch screw extrusion pulverization lifting box - Google Patents

Geometric-pitch screw extrusion pulverization lifting box Download PDF

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Publication number
CN103084237B
CN103084237B CN201310034247.0A CN201310034247A CN103084237B CN 103084237 B CN103084237 B CN 103084237B CN 201310034247 A CN201310034247 A CN 201310034247A CN 103084237 B CN103084237 B CN 103084237B
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CN
China
Prior art keywords
helical blade
countershaft
helical
main shaft
bevel gear
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Application number
CN201310034247.0A
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Chinese (zh)
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CN103084237A (en
Inventor
李宗武
张兵
孙鹏飞
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山东城矿环保集团有限公司
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Priority to CN201310034247.0A priority Critical patent/CN103084237B/en
Publication of CN103084237A publication Critical patent/CN103084237A/en
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Publication of CN103084237B publication Critical patent/CN103084237B/en

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Abstract

The invention discloses a geometric-pitch screw extrusion pulverization lifting box which comprises a lifting box body, a screw conveying extrusion device, a grinding device and a drive device, wherein the lifting box body is inclined upwards, and the height of a feed inlet of the lifting box body is smaller than that of a feed outlet of the lifting box body; the screw conveying extrusion device is arranged inside the lifting box body, and is used for extruding and dewatering materials simultaneously in the process of conveying the materials; the grinding device is arranged behind the screw conveying extrusion device, and is used for extruding and grinding the materials which are extruded and dewatered by the screw conveying extrusion device; the drive device is arranged at the outer side of the lifting box body, and is used for providing power output for the screw conveying extrusion device and the grinding device; and an opening is formed at a bottom plate at the feed inlet of the lifting box body and a filter screen for filtering out residual liquid in the conveying process is arranged on the bottom plate. The geometric-pitch screw extrusion pulverization lifting box disclosed by the invention can effectively lower the solid humidity of kitchen wastes and meets requirements on the solid kitchen waste humidity in the fermentation process.

Description

Lift tank is pulverized in the extruding of geometric ratio pitch auger
Technical field
The present invention relates to the extruding of a kind of geometric ratio pitch auger and pulverize lift tank.
Background technology
Changing food waste refer to abandon in food processing process food residue, food residues after diet and at washing foodstuff, scrub the raw sewerage produced in the processes such as tableware.Its composition mainly comprises the non-solubility organic matter of smashed peel bone, food particle, insoluble protein, cellulosic and starchiness state, and its composition is very complicated according to the difference of food.Owing to containing abundant nutriment in changing food waste, therefore, directly nature is discharged into if not treated, under the effect of preference temperature and bacterium, namely putrid and deteriorated in a short time, not only surrounding environment polluted, grow mosquitos and flies, occupy a large amount of soils, and cause a large amount of wastes of resource.Based on this, the research and development of food waste treatment equipment, effectively degrade and integrated treatment to changing food waste, and tool is of great significance by the minimizing and the recycling that realize changing food waste.
At present, two kinds are mainly contained to the crushing technology of changing food waste: rotor hammer type crushing technology and double-roll type crushing technology.As shown in Figure 1, solid material enters inside cavity from top to the principle of rotor hammer type crushing, suffer immediately the impact, shearing, grinding etc. of the pendulum 1 of High Rotation Speed act on and broken; Pendulum 101 is contained on disk 102 with hinging manner, and can swing along with the rotation of disk, disk has sieve aperture, the material after fragmentation is excreted by sieve aperture.As shown in Figure 2, material is drawn in crushing chamber 201 inside by frictional force to the principle that double-roll type is pulverized by the transfer roller of rotation, by carrying out fragmentation to the material particles very large extruding force of applying and double direction shear power.Wherein, rotor hammer type crushing technology is breaking method the most frequently used in the process of changing food waste thing, and its disintegrating apparatus industrialization degree is high, and operating efficiency is high.But because the viscosity of changing food waste and concentration are on the impact of crushing effect, often general rotor hammer type crushing equipment is difficult to produce a desired effect, after broken, its solid humidity still reaches 70%, and noise ratio is minimum reaches 5.0P, in order to meet the conditional request in the rubbish fermentation processing procedure of solid meal kitchen, need to extrude pulverization process further to the solid changing food waste after pulverizing.
Summary of the invention
The object of the embodiment of the present invention is that proposing the extruding of a kind of geometric ratio pitch auger pulverizes lift tank, effectively can solve the above-mentioned technical problem existed in prior art, be beneficial to the solid humidity reducing changing food waste, to meet the humidity requirement to solid changing food waste in fermentation treatments.
To achieve these goals, the present invention adopts following technical scheme:
Lift tank is pulverized in the extruding of geometric ratio pitch auger, comprising:
Promote casing, be obliquely installed upward, promote the charging aperture place height of casing lower than discharge outlet height;
Helical feed pressurizing unit, is arranged on described lifting box house, in the process of convey materials, carries out extrusion dehydration operation to material simultaneously;
Reducing mechanism, is arranged on described helical feed pressurizing unit rear, carries out extruding crushing operation to the material after helical feed pressurizing unit extrusion dehydration;
Drive unit, is arranged on the external side of described lift tank, for providing Power output for described helical feed pressurizing unit and reducing mechanism;
Base plate upper shed at the charging aperture place of lifting casing is also provided with screen pack, for leaching the raffinate in material conveying process.
Preferably, described helical feed pressurizing unit, comprise a main shaft and a countershaft, main shaft and countershaft be arranged in parallel, corresponding respectively on main shaft and countershaft two groups of helical blades are set, namely the first helical blade set being positioned at spindle front is with the second helical blade set being positioned at main shaft rear portion and be positioned at the first helical blade set of countershaft front portion and be positioned at second helical blade set at countershaft rear portion, between the inner each helical blade of first helical blade set, pitch is equal, pitch scaled down between the inner each helical blade of the second helical blade set.
Preferably, described reducing mechanism, comprise and be separately positioned on the first bevel gear on main shaft and countershaft and the second bevel gear, disintegrating area is extruded between first bevel gear and the second bevel gear, extruding crushing operation is carried out to the material after described helix transporting device extrusion dehydration, arrange a knife plate respectively in the outside of the first bevel gear and the second bevel gear, described knife plate is fixed on described lifting casing.
Preferably, described drive unit, comprises drive motors and sprocket wheel, and one of them sprocket wheel and described main shaft are connected and drive described main axis.
Advantage of the present invention is:
Lift tank is pulverized in the geometric ratio pitch auger extruding that the present invention addresses, by being arranged on the helical feed pressurizing unit promoting box house, broken to passing through, solid changing food waste after Separation of Solid and Liquid is carried, in course of conveying, extrusion dehydration operation is carried out to solid changing food waste simultaneously, raffinate in extrusion dehydration process flows down along the inner side base plate promoting casing, and discharged by the screen pack promoting casing charging aperture place, and the solid particle be trapped on screen pack, follow spindle operation again to get a promotion conveying, in addition, the rear of helical feed pressurizing unit is provided with reducing mechanism, extruding crushing operation can be carried out further to the solid changing food waste after helical feed pressurizing unit extrusion dehydration, crushing effect is obvious, the solid changing food waste humidity pulverized after lift tank conveying through the extruding of geometric ratio pitch auger reaches 20%, the humidity requirement to solid changing food waste in sweat can be met completely, simultaneously, first, second bevel gear in reducing mechanism has stable drive, advantage that noise is little, geometric ratio pitch auger is extruded pulverize lift tank noise in extruding crushing process low.
Accompanying drawing explanation
Fig. 1 is the structure chart of prior art rotor hammer type crushing device;
Fig. 2 is the structure chart of double-roll type reducing mechanism in prior art;
Fig. 3 is the cut-away view that in the embodiment of the present invention, lift tank is pulverized in the extruding of geometric ratio pitch auger;
Fig. 4 is the top view that in Fig. 3, lift tank is pulverized in the extruding of geometric ratio pitch auger;
Wherein, 1-promotes casing, 11-charging aperture, 12-discharging opening, 13-base plate;
20-main shaft, 21-countershaft;
30-first helical blade set, 31-second helical blade set;
4-screen pack;
5-knife plate;
60-first bevel gear, 61-second bevel gear;
7-sprocket wheel;
101-pendulum, 102-disk;
201-crushing chamber.
Detailed description of the invention
In changing food waste processing procedure, carrying out before solid changing food waste is separated with liquid changing food waste, need first to carry out crushing operation to whole changing food wastes, conventional crushing technology has rotor hammer type crushing technology and double-roll type crushing technology, but be subject to changing food waste oneself viscosity and concentration on the impact of crushing effect, through the solid changing food waste pulverized and after Separation of Solid and Liquid, its solid humidity still cannot meet the humidity requirement to solid changing food waste in fermentation treatments, need to carry out the operation of conveying extruding crushing/dewatering to the solid changing food waste after Separation of Solid and Liquid further.
Shown in composition graphs 3, Fig. 4, lift tank is pulverized in the extruding of geometric ratio pitch auger, comprises and promotes casing 1, helical feed pressurizing unit, reducing mechanism and drive unit.
Promote casing, be obliquely installed upward, promote the charging aperture 11 place height of casing lower than discharging opening 12 place height, in the process of conveying solid substance changing food waste obliquely upward, make the raffinate be mixed with in solid changing food waste, be convenient to automatically flow down from the base plate 13 promoting box inside.
Helical feed pressurizing unit, is arranged on lifting box house, in the process of convey materials, carry out extrusion dehydration operation to material simultaneously.Helical feed pressurizing unit, comprise a main shaft 20 and a countershaft 21, main shaft and countershaft be arranged in parallel, corresponding respectively on main shaft and countershaft two groups of helical blades are set, namely be positioned at the first helical blade set 30 of spindle front and be positioned at second helical blade set 31 at main shaft rear portion and be positioned at the first helical blade set 30 of countershaft front portion and be positioned at second helical blade set 31 at countershaft rear portion, between the inner each helical blade of first helical blade set 30, pitch is equal, pitch scaled down between the inner each helical blade of the second helical blade set 31.Wherein, main shaft or countershaft front portion, referring to the end near promoting casing charging aperture, main shaft or countershaft rear portion, referring to the other end near promoting casing discharging opening.Base plate upper shed at the charging aperture place of lifting casing is also provided with screen pack 4, for leaching the raffinate in material conveying process.
The rotation of main shaft 20, controlled by drive unit, countershaft 21 is driven shaft, in the process that main shaft 20 rotates, be separately positioned on two group of first helical blade set 30 of spindle front and countershaft front portion, play the effect of conveying solid substance changing food waste, because between the inner each helical blade of the first helical blade set, pitch is equal, therefore, the solid changing food waste in course of conveying is not played to the effect of extrusion dehydration, this is because screen pack is arranged on the below of two group of first helical blade set 30 just, if changing food waste just starts extruding at charging aperture place, charging aperture place solid changing food waste is easily made to gather too much, blocking screen pack, affect the osmotic effect of screen pack.
Pitch scaled down between the inner each helical blade of two group of second helical blade set 31 being arranged on main shaft rear portion and countershaft rear portion, solid changing food waste is followed in main axis process and is progressively extruded dehydration, simultaneously, flow down along the raffinate squeezed out in solid changing food waste along the inner side base plate 13 promoting casing, and discharged by the screen pack 4 promoting casing charging aperture place, and the solid particle retained on screen pack, then can follow main axis and again obtain conveying hoisting.
Reducing mechanism, be arranged on helical feed pressurizing unit rear, extruding crushing operation is carried out to the material after helical feed pressurizing unit, due to the solid changing food waste after helical feed pressurizing unit extrusion dehydration, solid humidity obviously reduces, and is beneficial to the crushing effect improving reducing mechanism.Reducing mechanism, comprise the first bevel gear 60 and the second bevel gear 61 be separately positioned on main shaft 20 and countershaft 21, disintegrating area is extruded between first bevel gear and the second bevel gear, extruding crushing operation is carried out to the material after described helix transporting device extrusion dehydration, material after extruding crushing operation, meet fermentation requirement, discharge from the discharging opening promoting casing, in the outside of the first bevel gear and the second bevel gear, a knife plate 5 is set respectively, described in cooperation first, second bevel gear 60, 61 carry out extruding crushing operation, knife plate 5 is fixed on described lifting casing 1.In the process of extruding crushing operation, also can squeeze out a little raffinate, flow down along the inner side base plate 13 promoting casing.
Drive unit, is arranged on and promotes outside casing 1, for providing Power output for helical feed pressurizing unit and reducing mechanism.Drive unit, comprises drive motors and sprocket wheel, and one of them sprocket wheel 7 is connected with main shaft 20, drives described main axis.
Certainly; more than illustrate and be only preferred embodiment of the present invention; the present invention is also not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the instruction of this description; made all equivalently to substitute, obvious variant, within the essential scope all dropping on this description, protection of the present invention ought to be subject to.

Claims (2)

1. lift tank is pulverized in the extruding of geometric ratio pitch auger, it is characterized in that, comprising:
Promote casing, be obliquely installed upward, promote the charging aperture place height of casing lower than discharge outlet height;
Helical feed pressurizing unit, is arranged on described lifting box house, in the process of convey materials, carries out extrusion dehydration operation to material simultaneously;
Reducing mechanism, is arranged on described helical feed pressurizing unit rear, carries out extruding crushing operation to the material after helical feed pressurizing unit extrusion dehydration;
Drive unit, is arranged on the external side of described lift tank, for providing Power output for described helical feed pressurizing unit and reducing mechanism;
Base plate upper shed at the charging aperture place of lifting casing is also provided with screen pack, for leaching the raffinate in material conveying process;
Described helical feed pressurizing unit, comprise a main shaft and a countershaft, main shaft and countershaft be arranged in parallel, corresponding respectively on main shaft and countershaft two groups of helical blades are set, namely the first helical blade set being positioned at spindle front is with the second helical blade set being positioned at main shaft rear portion and be positioned at the first helical blade set of countershaft front portion and be positioned at second helical blade set at countershaft rear portion, between the inner each helical blade of first helical blade set, pitch is equal, pitch scaled down between the inner each helical blade of the second helical blade set;
Described reducing mechanism, comprise and be separately positioned on the first bevel gear on main shaft and countershaft and the second bevel gear, disintegrating area is extruded between first bevel gear and the second bevel gear, extruding crushing operation is carried out to the material after described helix transporting device extrusion dehydration, arrange a knife plate respectively in the outside of the first bevel gear and the second bevel gear, described knife plate is fixed on described lifting casing.
2. lift tank is pulverized in geometric ratio pitch auger extruding according to claim 1, and it is characterized in that described drive unit comprises drive motors and sprocket wheel, one of them sprocket wheel and described main shaft are connected and drive described main axis.
CN201310034247.0A 2013-01-29 2013-01-29 Geometric-pitch screw extrusion pulverization lifting box CN103084237B (en)

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CN103084237B true CN103084237B (en) 2015-06-24

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103301919B (en) * 2013-05-13 2015-12-02 深圳市三盛环保科技有限公司 A kind of organic materials automatic crushing dewaterer and crushing/dewatering method
CN104338595A (en) * 2013-07-30 2015-02-11 杭州金株机电有限公司 Smashing/dehydrating/lifting device of raw organic refuse integrated processor
CN105946268A (en) * 2016-06-24 2016-09-21 江苏省农业科学院 Aquatic plant spiral extrusion dehydrator applied to ecological restoration of water body
CN106391670A (en) * 2016-11-29 2017-02-15 上海溪昌环境工程有限公司 Household kitchen garbage separating device
CN106984630A (en) * 2017-04-06 2017-07-28 苏州美生环保科技有限公司 A kind of comprehensive all-in-one of refuse biochemical processing
CN107570267B (en) * 2017-09-18 2019-06-07 福建省爱善环保科技有限公司 A kind of broken bag sorting screening magnetic separator

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Publication number Priority date Publication date Assignee Title
CN2536545Y (en) * 2002-03-20 2003-02-19 王祥为 Vegetable refuse processors
CN201907212U (en) * 2010-09-03 2011-07-27 北京昊业怡生科技有限公司 Kitchen waste squeezing and dewatering machine
CN201871527U (en) * 2010-11-04 2011-06-22 丁巨国 Garbage sorting and treatment system
CN201959973U (en) * 2010-11-23 2011-09-07 付文舸 Spiral extrusion-washing type solid-liquid separator for garbage
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