CN109365476A - Waxy leaves decomposition apparatus and operating method - Google Patents

Waxy leaves decomposition apparatus and operating method Download PDF

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Publication number
CN109365476A
CN109365476A CN201811271564.3A CN201811271564A CN109365476A CN 109365476 A CN109365476 A CN 109365476A CN 201811271564 A CN201811271564 A CN 201811271564A CN 109365476 A CN109365476 A CN 109365476A
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CN
China
Prior art keywords
case
degradation
fixed
broken
blade
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811271564.3A
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Chinese (zh)
Inventor
宋垚彬
张卫军
段俊鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Normal University
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Hangzhou Normal University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Normal University filed Critical Hangzhou Normal University
Priority to CN201811271564.3A priority Critical patent/CN109365476A/en
Publication of CN109365476A publication Critical patent/CN109365476A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/24Drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90Apparatus therefor
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90Apparatus therefor
    • C05F17/964Constructional parts, e.g. floors, covers or doors

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

Waxy leaves decomposition apparatus and operating method, for the convenient degradation to water plant waxy leaves, research.It includes feed hopper, fragmentation cell, sieve unit and degradation unit, and material toggling roller is rotatably equipped in feed hopper, several shift forks are fixed on the outer wall of material toggling roller, and the material toggling motor of driving material toggling roller rotation is fixed on the outer wall of material-falling hopper;Fragmentation cell include broken case below material-falling hopper is set, the broken motor that is fixed on broken case, the cutter shaft for being fixed on broken motor output end, the first blade and the second blade being fixed on cutter shaft;Sieve unit includes the sieve being fixedly connected around the undertaking case being crushed below case, the support rod being fixed on undertaking case side wall, the newel being rotatably installed on support rod, centrally disposed column and with newel;Degradation unit includes degradation case, the UV lamp that degradation box top is arranged in and buffer bucket and the first buret and the second buret.The decomposition apparatus is conducive to the degradation of waxy leaves.

Description

Waxy leaves decomposition apparatus and operating method
Technical field
The present invention relates to water plant Litter-fall degradation technique field, specifically a kind of waxy leaves decomposition apparatus and Operating method.
Background technique
Water plant Leaf Litter is the important nutrients source of wetlands ecosystems.However, water plant waxy leaves It is easy that wetlands ecosystems are polluted and endangered due to difficult to degrade, the photosynthesis of submerged plant is not only influenced, is also easy to Breed the harmful organisms such as green alga.Therefore, the degradation for promoting wetlands ecosystems waxy leaves Litter-fall, with important ecology meaning Justice and application value.However, currently, due to lacking efficient apparatus and artificial degradation waxy leaves is cumbersome, inefficiency, resistance The efficiency of artificial degradation water plant waxy leaves Litter-fall is hindered.The present invention provides a kind of waxy leaves decomposition apparatus, tools There is the function of degradation water plant waxy leaves Litter-fall, it is easy to operate and multiple functional, and waxy leaves degradation can be improved Efficiency provides important equipment and condition for the purification of wetlands ecosystems and the supply of wetland water plant natural nutrient.
Summary of the invention
The purpose of the present invention is to provide a kind of waxy leaves decomposition apparatus and operating methods, for convenient to wetland wax Degradation, the research of blade.
The technical scheme adopted by the invention to solve the technical problem is that: waxy leaves decomposition apparatus, characterized in that it is wrapped Feed hopper, fragmentation cell, sieve unit and degradation unit are included, material toggling roller is rotatably equipped in feed hopper, in the outer of material toggling roller It is fixed with several shift forks being uniformly arranged in the circumferential direction on wall, the material toggling of driving material toggling roller rotation is fixed on the outer wall of material-falling hopper Motor;
Fragmentation cell include broken case below material-falling hopper is set, the broken motor that is fixed on broken bottom portion, fixation In the cutter shaft for being crushed motor output end and being placed in broken case, the first blade for being fixed on cutter shaft top, it is fixed on cutter shaft lower part The second blade, be fixed on the scraper plate of the second insert bottom, be equipped with the material-dropping hole of annular in the bottom of broken case;
Sieve unit includes that the undertaking case being crushed below case is fixedly connected with and be located at broken case, is fixed on and accepts case side wall On support rod, be rotatably installed on support rod newel, be fixedly connected around centrally disposed column and with newel Sieve, the handle being fixed at the top of newel;
The degradation unit include degrade case, degradation box top is set UV lamp and buffer bucket and the first buret and the Two burets, the degradation knob for being rotatably installed in degradation box top, the agitating shaft and stirring blade that degradation knob bottom is set, It degrades and is equipped with guidance case between case and undertaking case.
Further, the shift fork is metal straight rod, and shift fork is arranged radially along material toggling roller, per two adjacent shift forks it Between surround the clamp areas of fallen leaves.
Further, more connecting rods are equipped between broken case and the outer wall for accepting case, are realized by connecting rod broken Being fixedly connected between case and undertaking case.
Further, the number of the second blade is greater than the number of the first blade, and the first, second blade is circumferentially uniform Setting.
Further, accepting has gap between case and broken case, and the thickness in gap is equal with the thickness of sieve;It is sieving Sealing ring is equipped at the top and bottom of net, sealing ring and undertaking case, sealing ring and broken case are tight when sieve is placed in gap Contiguity touching.
Further, the cross section of the first, second blade is triangle.
The operating method of waxy leaves decomposition apparatus, characterized in that it the following steps are included:
(1) fallen leaves are added into feed hopper, start material toggling motor, so that fallen leaves progress into brokenly under the drive of material toggling roller In broken case;
(2) start broken motor, break process is carried out to fallen leaves;
(3) UV lamp is opened, buffer, enzyme are added into degradation case, Stirring knob as needed accelerates the drop of fallen leaves Solution;
(4) after the completion of degrading, ball valve is opened, so that the liquid outflow in degradation case, and realized by filter basket to degradation The filtering of liquid in case.
The beneficial effects of the present invention are: waxy leaves decomposition apparatus provided by the invention and operating method, may be implemented pair Water plant fallen leaves are crushed, and the fallen leaves particle that can according to need the required partial size of screening is degraded.When degradation, and can be with Buffer, various enzymes is added into degradation case as needed, to promote the degradation of fallen leaves.Stirring blade on agitating shaft and agitating shaft Setting, can make various enzymes and buffer degradation case in be uniformly distributed, to guarantee degrading quality.Apparatus structure letter It is single, easy to use, be conducive to the degradation and research of wetland waxy leaves.
Detailed description of the invention
Fig. 1 is appearance schematic diagram of the invention;
Fig. 2 is feed hopper schematic diagram of internal structure;
Fig. 3 is the assembling schematic diagram of fragmentation cell and sieve unit;
Fig. 4 is the schematic diagram of internal structure of fragmentation cell;
Fig. 5 is the structural schematic diagram of sieve unit;
Fig. 6 is the appearance schematic diagram of degradation unit;
Fig. 7 is the schematic diagram of internal structure of degradation unit;
Fig. 8 is the scheme of installation of the first blade and the second blade on cutter shaft;
Fig. 9 is the cross-sectional view of the first blade;
In figure: 1 feed hopper, 11 end caps, 12 material toggling rollers, 13 shift forks, 14 clamp areas, 2 broken casees, 21 protecting crusts, 22 is broken Motor, 23 cutter shafts, 24 first blades, 25 second blades, 26 scraper plates, 27 material-dropping holes, 28 connecting rods, 29 undertaking casees, 3 guidance casees, 4 Degradation case, 41 through-holes, 42UV lamp, 43 stirring knobs, 431 agitating shafts, 432 stirring blades, 44 buffer buckets, 45 first burets, 46 second burets, 47 valves, 5 delivery pipes, 51 upper knobs, 52 ball valves, 521 circular holes, 53 cushion blocks, 531 guide holes, 54 lower knobs, 55 filter baskets, 551 fixed rings, 6 newels, 61 support rods, 62 handles, 63 link blocks, 64 sieves.
Specific embodiment
As shown in Figures 1 to 9, the invention mainly comprises feed hopper 1, fragmentation cell, sieve unit and degradation unit, below In conjunction with attached drawing, the present invention will be described in detail.
As shown in Figure 1 to Figure 2, feed hopper 1 is the hollow structure that upper end is big, lower end is small, is equipped with side in the big end of feed hopper Just the end cap 11 opened is rotatably equipped with material toggling roller 12 on the inside of feed hopper, and material toggling roller is on being fixed on material-falling hopper outer wall It is rotated under the drive of material toggling motor.It is radially secure on the outer wall of material toggling roller to have six roots of sensation shift fork 13, the substantially metal of shift fork Straight-bar, six roots of sensation shift fork are uniformly arranged on the same circumference.The clamp area 14 of fallen leaves is formed between per two adjacent shift forks.It uses When, fallen leaves are poured into feed hopper, falls leaves and is pushed down under drive in rotating counterclockwise for material toggling roller, and in each clamp area All it is mingled with fallen leaves.
It is equipped with fragmentation cell 2 in the lower section of feed hopper, as shown in Figure 3, Figure 4, fragmentation cell is small including being fixed on feed hopper The broken case 2 at end, the cutter shaft 23 for being fixed on broken motor output end, is fixed on knife at the broken motor 22 being fixed in broken case Several first blades 24 on axis top, several second blades 25 for being fixed on cutter shaft lower part are equipped with protecting crust 21 in broken case, In the cavity that protecting crust is arranged in broken motor and broken bottom portion surrounds.As shown in figure 8, above and below the first blade and the second blade Setting, the fallen leaves fallen into broken case carry out level-one by the first blade and are crushed, through the smashed fallen leaves of level-one in the second blade Effect is lower to carry out two-stage crushing.First blade is different from the number of the second blade, and the number of the second blade is greater than the first blade Number may be implemented by the second blade to the fine crushing of fallen leaves in this way.Scraper plate 26, the second knife are fixed in the bottom of the second blade Piece can drive the movement of scraper plate when rotating, scraper plate scrapes broken fallen leaves particle or powder, and make it through broken bottom portion Circular ring shape material-dropping hole 27 fall.As shown in figure 9, the cross section of the first blade and the second blade is triangle, i.e., first, Second blade is triangular prism shaped, the side formation blade of triangular prism.
It is equipped with sieve unit in the lower part of broken case, as shown in figs. 3 and 5, sieve unit includes accepting case 29, being fixed on Accept support rod 61, the newel 6 for being rotatably installed in support bar top, the handle being fixed at the top of newel on case side wall 62, the link block 63 being fixed on the column outer wall of center, the sieve 64 being fixed on link block, several link blocks are circumferentially uniformly set It sets.Sieve is equipped with multiple sieve pores of annular setting, and the screen-aperture on different sieves is different.It accepts case to realize and is crushed Being fixedly connected between case, it is upper equipped with more connecting rods 28 between case and the outer wall of broken case accepting.In use, can basis Rotating handle is needed, accepts between case and broken case, may be implemented at this time to broken so that the sieve in required aperture is placed in The screening of fallen leaves particle or powder passes through so that being less than the fallen leaves particle of screen-aperture or powder on sieve.In the case where accepting case End is fixed with guidance case 3, guides the upper end of case upwardly opening, guides the lower end of case towards right opening, guiding the effect of case is to realize The transition that case is accepted between case of degrading.It accepts and is equipped with gap, the thickness in the gap and the thickness of sieve between case and broken case It is equal.To realize sieve and accepting the sealing between case, between sieve and broken case, it is equipped at the top and bottom of sieve close Seal, sealing ring are in close contact with undertaking case, broken case, to guarantee leakproofness, avoid the leakage of dust.
As shown in Figure 6, Figure 7, degradation unit includes the degradation case 4 fixed and be connected to the lower end for accepting case, is fixed on drop Solve the UV lamp 42 of box top, the stirring knob 43 for being rotatably installed in degradation box top, the agitating shaft for being fixed on stirring knob bottom 431, it is fixed on the stirring blade 432 of shaft bottom, the degradation buffer bucket 44 of box top, the first buret 45 and the is set Two burets 46 are equipped with valve 47 in the lower part of buffer bucket, the first buret, the second buret.Buffering is held in buffer bucket Liquid holds enzyme required for degradation in the first, second buret, such as proteolytic enzyme, phosphatase, after opening valve, buffer Buffer in bucket, the enzyme in the first, second buret enter in degradation case.By buffer, various enzymatics into fallen leaves degradation, Stirring knob, accelerated degradation can also be rotated during degradation.Through-hole 41, the setting of through-hole are equipped in the left end of degradation case It realizes degradation case and accepts the connection between case.
Delivery pipe 5, which is equipped with, in the bottom of degradation case is rotatably equipped with upper rotation on the top of delivery pipe as shown in Figure 6, Figure 7 Button 51 is fixed with ball valve 52 in the end of upper knob, and circular hole 521 is equipped on ball valve, pad is fixed in the inner cavity of delivery pipe Block 53, the outer wall of ball valve are contacted with the spherical inner wall of cushion block, and the upper end of cushion block is equipped with guide hole 531, and rotation upper knob to justify After hole is connected to guide hole, the liquid in case of degrading flows downward after can passing through ball valve.It is installed in the lower rotational of delivery pipe There is lower knob 54, be fixed with fixed ring 551 in the end of lower knob, hemispheric filter basket 55, filtering are equipped in fixed ring Basket is hollow structure, and fixed ring is a part of filter basket, and the setting of filter basket is for filtering out fallen leaf powder or particle.It uses When, upper knob is rotated first, so that the liquid outflow in degradation case, while the opening of filter basket is upward, can filter degradation shape At product or residue.After closing ball valve, lower knob can be rotated, so that filter basket is opening down, by the production in filter basket Object or residue are poured out.
Use of the invention is described below:
(1) fallen leaves are added into feed hopper, start material toggling motor, so that fallen leaves are under the drive of material toggling roller
It progresses into broken case;
(2) start broken motor, break process is carried out to fallen leaves;
(3) UV lamp is opened, buffer, enzyme are added into degradation case, Stirring knob as needed accelerates the drop of fallen leaves Solution;
(4) after the completion of degrading, ball valve is opened, so that the liquid outflow in degradation case, and pass through filter basket
Realize the filtering to liquid in degradation case.

Claims (7)

1. waxy leaves decomposition apparatus, characterized in that it include feed hopper, fragmentation cell, sieve unit and degradation unit, into It is rotatably equipped with material toggling roller in hopper, several shift forks being uniformly arranged in the circumferential direction are fixed on the outer wall of material toggling roller, in blanking The material toggling motor of driving material toggling roller rotation is fixed on the outer wall of bucket;
Fragmentation cell includes that broken case below material-falling hopper is arranged in, the broken motor that is fixed on broken bottom portion, is fixed on brokenly Broken motor output end and the cutter shaft being placed in broken case, the first blade for being fixed on cutter shaft top, be fixed on cutter shaft lower part Two blades, the scraper plate for being fixed on the second insert bottom are equipped with the material-dropping hole of annular in the bottom of broken case;
Sieve unit includes that the undertaking case being crushed below case is fixedly connected with and be located at broken case, is fixed on and accepts on case side wall Support rod, the newel being rotatably installed on support rod, around centrally disposed column and be fixedly connected with newel sieve, The handle being fixed at the top of newel;
The degradation unit includes degradation case, the UV lamp that degradation box top is arranged in and buffer bucket and the first buret and the second amount Manage, be rotatably installed in degradation box top degradation knob, be arranged in degrade knob bottom agitating shaft and stirring blade, degrading Guidance case is equipped between case and undertaking case.
2. waxy leaves decomposition apparatus according to claim 1, characterized in that the shift fork is metal straight rod, shift fork edge Material toggling roller is arranged radially, and the clamp area of fallen leaves is surrounded between every two adjacent shift forks.
3. waxy leaves decomposition apparatus according to claim 1, characterized in that between broken case and the outer wall for accepting case Equipped with more connecting rods, being fixedly connected between broken case and undertaking case is realized by connecting rod.
4. waxy leaves decomposition apparatus according to claim 1, characterized in that the number of the second blade is greater than the first blade Number, and the first, second blade is uniformly arranged in the circumferential direction.
5. waxy leaves decomposition apparatus according to claim 3, characterized in that accept between having between case and broken case Gap, and the thickness in gap is equal with the thickness of sieve;Sealing ring is equipped at the top and bottom of sieve, sieve is placed in gap When sealing ring with accept case, sealing ring is in close contact with broken case.
6. waxy leaves decomposition apparatus according to claim 4, characterized in that the cross section of the first, second blade is Triangle.
7. the operating method of any waxy leaves decomposition apparatus of claim 1 to 6, characterized in that it includes following step It is rapid:
(1) fallen leaves are added into feed hopper, start material toggling motor, so that fallen leaves progress into broken case under the drive of material toggling roller In;
(2) start broken motor, break process is carried out to fallen leaves;
(3) UV lamp is opened, buffer, enzyme are added into degradation case, Stirring knob as needed accelerates the degradation of fallen leaves;
(4) after the completion of degrading, ball valve is opened, so that the liquid outflow in degradation case, and realized by filter basket in degradation case The filtering of liquid.
CN201811271564.3A 2018-10-29 2018-10-29 Waxy leaves decomposition apparatus and operating method Pending CN109365476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811271564.3A CN109365476A (en) 2018-10-29 2018-10-29 Waxy leaves decomposition apparatus and operating method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811271564.3A CN109365476A (en) 2018-10-29 2018-10-29 Waxy leaves decomposition apparatus and operating method

Publications (1)

Publication Number Publication Date
CN109365476A true CN109365476A (en) 2019-02-22

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CN201811271564.3A Pending CN109365476A (en) 2018-10-29 2018-10-29 Waxy leaves decomposition apparatus and operating method

Country Status (1)

Country Link
CN (1) CN109365476A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002282732A (en) * 2001-03-27 2002-10-02 Mitsubishi Heavy Ind Ltd Garbage supplier in garbage disposal facilities
CN202297405U (en) * 2011-09-16 2012-07-04 上海复旦水务工程技术有限公司 Improving device for aerobic fermentation of urban garbage
CN206635347U (en) * 2017-03-24 2017-11-14 青岛瑞思德生物科技有限公司 A kind of cell culture breaker
CN107350039A (en) * 2017-07-11 2017-11-17 贵州智强羊业发展有限公司 A kind of feed grinder of adjustable filtering screen pore size for goat cultivation
CN107813406A (en) * 2017-12-16 2018-03-20 钦州市窑宝坭兴陶艺有限公司 A kind of discharging mechanism of Nixing pottery blank extruder
CN207310485U (en) * 2017-10-16 2018-05-04 东莞市瑞能塑胶科技有限公司 A kind of quick net-changing device
CN207533346U (en) * 2017-10-11 2018-06-26 深圳市山海园林有限公司 A kind of afforestation waste crushing system
CN207608557U (en) * 2017-10-11 2018-07-13 深圳市山海园林有限公司 A kind of afforestation waste fermentation system
CN209206015U (en) * 2018-10-29 2019-08-06 杭州师范大学 Waxy leaves decomposition apparatus

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002282732A (en) * 2001-03-27 2002-10-02 Mitsubishi Heavy Ind Ltd Garbage supplier in garbage disposal facilities
CN202297405U (en) * 2011-09-16 2012-07-04 上海复旦水务工程技术有限公司 Improving device for aerobic fermentation of urban garbage
CN206635347U (en) * 2017-03-24 2017-11-14 青岛瑞思德生物科技有限公司 A kind of cell culture breaker
CN107350039A (en) * 2017-07-11 2017-11-17 贵州智强羊业发展有限公司 A kind of feed grinder of adjustable filtering screen pore size for goat cultivation
CN207533346U (en) * 2017-10-11 2018-06-26 深圳市山海园林有限公司 A kind of afforestation waste crushing system
CN207608557U (en) * 2017-10-11 2018-07-13 深圳市山海园林有限公司 A kind of afforestation waste fermentation system
CN207310485U (en) * 2017-10-16 2018-05-04 东莞市瑞能塑胶科技有限公司 A kind of quick net-changing device
CN107813406A (en) * 2017-12-16 2018-03-20 钦州市窑宝坭兴陶艺有限公司 A kind of discharging mechanism of Nixing pottery blank extruder
CN209206015U (en) * 2018-10-29 2019-08-06 杭州师范大学 Waxy leaves decomposition apparatus

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