CN105603319A - Crushing device for kitchen waste - Google Patents

Crushing device for kitchen waste Download PDF

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Publication number
CN105603319A
CN105603319A CN201610000119.8A CN201610000119A CN105603319A CN 105603319 A CN105603319 A CN 105603319A CN 201610000119 A CN201610000119 A CN 201610000119A CN 105603319 A CN105603319 A CN 105603319A
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CN
China
Prior art keywords
carbide
blade
rubbish
finished product
average grain
Prior art date
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Granted
Application number
CN201610000119.8A
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Chinese (zh)
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CN105603319B (en
Inventor
张磊
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Huanlian (Shanghai) Environmental Technology Co.,Ltd.
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张磊
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Priority to CN201610000119.8A priority Critical patent/CN105603319B/en
Publication of CN105603319A publication Critical patent/CN105603319A/en
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Publication of CN105603319B publication Critical patent/CN105603319B/en
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/04—Hardening by cooling below 0 degrees Celsius
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/22—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Abstract

The invention relates to a crushing device for kitchen waste and belongs to the field of waste reuse environmental protection. According to the first step of kitchen waste treatment, the crushing device of a specific structure is arranged in a kitchen waste harmless treatment system, the structure of the crushing device is improved, the component content and the microstructure of blades are improved, the crushing device can better adapt to the specific condition of the kitchen waste, and the use durability of the crushing device is improved.

Description

A kind of rubbish from cooking breaker
Technical field
The invention belongs to house refuse recycling process field, particularly relate to a kind of rubbish from cooking breaker.
Background technology
What at present the way of recycling of rubbish from cooking was many is landfill, but more and more along with rubbish quantity, and the drawback of landfill progressively manifests, and owing to wherein containing a lot of organic matters, very easy putrid and deteriorated, and after landfill, easily produce biogas, easily produce safety problem. Also having at present some to rubbish from cooking harmless treatment mode, is mainly first then its fragmentation to be dried, suppressed, and forms discarded object dry and that volume is smaller. Also have and by microorganism, it is carried out a lot of modes such as biogas manufacture. But the device of its fragmentation is not carried out to specially treated, and because fragmentation is usually first step processing, and the comparison of ingredients of rubbish from cooking is many, its corrosion for breaker is larger, and owing to there is the hardness of matter such as some bones in rubbish from cooking, also the hardness of blade is had higher requirement.
Summary of the invention
The object of the invention is to propose a kind of rubbish from cooking breaker.
Specifically realize by following technological means:
A kind of rubbish from cooking breaker, comprise, tubular shell, the motor of tubular shell outer setting, the inner helical form arranging of tubular shell stirs blade and for the axle that stirs blade is installed, described tubular shell top is provided with rubbish from cooking entrance, bottom is provided with the outlet of broken rear rubbish from cooking, and its outlet is connected with follow-up conveying device and/or drying unit, the chemical constituent of described helical form stirring blade sheet material by weight percentage content is counted: C:0.5 ~ 0.8%, Si:0.3 ~ 0.5%, Mn:0.5 ~ 0.8%, P < 0.02%, S < 0.01%, Cr:6 ~ 8%, W:1 ~ 3%, Mo:5.1 ~ 5.9%, V:0.5 ~ 0.8%, Nb:0.1 ~ 0.2%, Co:0.1 ~ 0.25%, Ni:0.1 ~ 0.2%, Ce:0.02 ~ 0.03%, La:0.01 ~ 0.02%, surplus is Fe and inevitable impurity.
Wherein said helical form stirs in blade microstructure, the volume ratio of carbide is 3 ~ 6%, carbide average grain diameter is 0.6 ~ 1.1 μ m, and the carbide ratio of surface is 1.5 ~ 2.1 times of center, surface carbide average grain diameter is 0.6 ~ 0.9 μ m, and center carbide average grain diameter is 0.8 ~ 1.1 μ m.
Described helical form stirs in blade microstructure, the volume ratio of carbide is 3.6 ~ 5.2%, carbide average grain diameter is 0.8 ~ 1.0 μ m, and the carbide ratio of surface is 1.6 ~ 2.0 times of center, surface carbide average grain diameter is 0.6 ~ 0.8 μ m, and center carbide average grain diameter is 0.9 ~ 1.1 μ m; Wherein said surface is from surface to the region of the following 1mm in surface, and described center is the region forming to external diffusion 0.5mm with core.
Described helical form stirs blade moulding and carries out following heat treatment step afterwards:
(1) annealing: the blade semi-finished product after moulding are inserted in annealing furnace and are heated to 850 ~ 880 DEG C, be incubated 3 ~ 5 hours, then stove is chilled to room temperature.
(2) subzero treatment: the semi-finished product after annealing are placed in to deep cooling box and are cooled to-80 ~-110 DEG C, keep this temperature 20 ~ 35min, then go out deep cooling box and return to room temperature.
(3) quench: the semi-finished product after subzero treatment are inserted in glowing furnace and are heated to 1100 ~ 1160 DEG C with stove, after insulation 10 ~ 20min, insert in quenching oil, be cooled to 510 ~ 550 DEG C after water spray be cooled to room temperature.
(4) high tempering: the semi-finished product after quenching are inserted in tempering furnace and are heated to 520 ~ 550 DEG C with stove, be incubated 1 ~ 2 hour, the air cooling of then coming out of the stove is to room temperature.
(5) lonneal: the semi-finished product after high tempering are inserted in tempering furnace and are heated to 180 ~ 210 DEG C with stove, and after insulation 30 ~ 50min, air cooling, to room temperature, obtains helical form and stirs blade finished product.
Effect of the present invention is:
1, because rubbish from cooking composition is very complicated, and water content is very large, organic substance situation complexity in water, also have a lot of materials as higher in hardness such as bones to be mingled in the inside, the present invention is by the device of first step to rubbish from cooking processing---and the material of the respective outer side edges stirring blade of breaker is improved, and makes fragmentation more comprehensive, and blade is improved for the corrosion resistance of specific rubbish from cooking, the durability degree of blade is got a promotion.
2, by the restriction of blade microstructure, its hardness is increased, especially case hardness is improved.
3, by the setting of specific heat treatment mode, especially subzero treatment and the cooling mode of quenching segmentation are improved hardness and intensity.
Detailed description of the invention
Embodiment 1
A kind of rubbish from cooking breaker, comprise, tubular shell, the motor of tubular shell outer setting, the inner helical form arranging of tubular shell stirs blade and for the axle that stirs blade is installed, described tubular shell top is provided with rubbish from cooking entrance, bottom is provided with the outlet of broken rear rubbish from cooking, and its outlet is connected with follow-up conveying device and/or drying unit, the chemical constituent of described helical form stirring blade sheet material by weight percentage content is counted: C:0.6%, Si:0.38%, Mn:0.62%, P:0.012%, S:0.001%, Cr:6.8%, W:2%, Mo:5.6%, V:0.58%, Nb:0.12%, Co:0.15%, Ni:0.16%, Ce:0.028%, La:0.015%, surplus is Fe and inevitable impurity.
Wherein said helical form stirs in blade microstructure, the volume ratio of carbide is 5%, and carbide average grain diameter is 0.9 μ m, and the carbide ratio of surface is 1.6 times of center, surface carbide average grain diameter is 0.8 μ m, and center carbide average grain diameter is 0.9 μ m.
Described helical form stirs blade moulding and carries out following heat treatment step afterwards:
(1) annealing: the blade semi-finished product after moulding are inserted in annealing furnace and are heated to 860 DEG C, be incubated 3.5 hours, then stove is chilled to room temperature.
(2) subzero treatment: the semi-finished product after annealing are placed in to deep cooling box and are cooled to-95 DEG C, keep this temperature 28min, then go out deep cooling box and return to room temperature.
(3) quench: the semi-finished product after subzero treatment are inserted in glowing furnace and are heated to 1151 DEG C with stove, after insulation 16min, insert in quenching oil, be cooled to 530 DEG C after water spray be cooled to room temperature.
(4) high tempering: the semi-finished product after quenching are inserted in tempering furnace and are heated to 530 DEG C with stove, be incubated 1.2 hours, the air cooling of then coming out of the stove is to room temperature.
(5) lonneal: the semi-finished product after high tempering are inserted in tempering furnace and are heated to 192 DEG C with stove, and after insulation 36min, air cooling, to room temperature, obtains helical form and stirs blade finished product.
Embodiment 2
A kind of rubbish from cooking breaker, comprise, tubular shell, the motor of tubular shell outer setting, the inner helical form arranging of tubular shell stirs blade and for the axle that stirs blade is installed, described tubular shell top is provided with rubbish from cooking entrance, bottom is provided with the outlet of broken rear rubbish from cooking, and its outlet is connected with follow-up conveying device and/or drying unit, the chemical constituent of described helical form stirring blade sheet material by weight percentage content is counted: C:0.52%, Si:0.33%, Mn:0.61%, P:0.002%, S:0.002%, Cr:6.2%, W:2.1%, Mo:5.8%, V:0.62%, Nb:0.16%, Co:0.19%, Ni:0.11%, Ce:0.022%, La:0.015%, surplus is Fe and inevitable impurity.
Wherein said helical form stirs in blade microstructure, the volume ratio of carbide is 3.6%, and carbide average grain diameter is 0.8 μ m, and the carbide ratio of surface is 1.9 times of center, surface carbide average grain diameter is 0.66 μ m, and center carbide average grain diameter is 0.92 μ m.

Claims (3)

1. a rubbish from cooking breaker, it is characterized in that, comprise tubular shell, the motor of tubular shell outer setting, the inner helical form arranging of tubular shell stirs blade and for the axle that stirs blade is installed, described tubular shell top is provided with rubbish from cooking entrance, bottom is provided with the outlet of broken rear rubbish from cooking, and its outlet is connected with follow-up conveying device and/or drying unit, the chemical constituent of described helical form stirring blade sheet material by weight percentage content is counted: C:0.5 ~ 0.8%, Si:0.3 ~ 0.5%, Mn:0.5 ~ 0.8%, P < 0.02%, S < 0.01%, Cr:6 ~ 8%, W:1 ~ 3%, Mo:5.1 ~ 5.9%, V:0.5 ~ 0.8%, Nb:0.1 ~ 0.2%, Co:0.1 ~ 0.25%, Ni:0.1 ~ 0.2%, Ce:0.02 ~ 0.03%, La:0.01 ~ 0.02%, surplus is Fe and inevitable impurity,
Wherein said helical form stirs in blade microstructure, the volume ratio of carbide is 3 ~ 6%, carbide average grain diameter is 0.6 ~ 1.1 μ m, and the carbide ratio of surface is 1.5 ~ 2.1 times of center, surface carbide average grain diameter is 0.6 ~ 0.9 μ m, and center carbide average grain diameter is 0.8 ~ 1.1 μ m.
2. rubbish from cooking breaker according to claim 1, it is characterized in that, described helical form stirs in blade microstructure, the volume ratio of carbide is 3.6 ~ 5.2%, carbide average grain diameter is 0.8 ~ 1.0 μ m, and the carbide ratio of surface is 1.6 ~ 2.0 times of center, surface carbide average grain diameter is 0.6 ~ 0.8 μ m, and center carbide average grain diameter is 0.9 ~ 1.1 μ m; Wherein said surface is from surface to the region of the following 1mm in surface, and described center is the region forming to external diffusion 0.5mm with core.
3. according to the rubbish from cooking breaker described in claim 1 or 2 or 3, it is characterized in that, described helical form stirs blade moulding and carries out following heat treatment step afterwards:
(1) annealing: the blade semi-finished product after moulding are inserted in annealing furnace and are heated to 850 ~ 880 DEG C, be incubated 3 ~ 5 hours, then stove is chilled to room temperature;
(2) subzero treatment: the semi-finished product after annealing are placed in to deep cooling box and are cooled to-80 ~-110 DEG C, keep this temperature 20 ~ 35min, then go out deep cooling box and return to room temperature;
(3) quench: the semi-finished product after subzero treatment are inserted in glowing furnace and are heated to 1100 ~ 1160 DEG C with stove, after insulation 10 ~ 20min, insert in quenching oil, be cooled to 510 ~ 550 DEG C after water spray be cooled to room temperature;
(4) high tempering: the semi-finished product after quenching are inserted in tempering furnace and are heated to 520 ~ 550 DEG C with stove, be incubated 1 ~ 2 hour, the air cooling of then coming out of the stove is to room temperature;
(5) lonneal: the semi-finished product after high tempering are inserted in tempering furnace and are heated to 180 ~ 210 DEG C with stove, and after insulation 30 ~ 50min, air cooling, to room temperature, obtains helical form and stirs blade finished product.
CN201610000119.8A 2016-01-01 2016-01-01 A kind of rubbish from cooking breaker Active CN105603319B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106756548A (en) * 2016-12-14 2017-05-31 郭策 A kind of preparation method of flood bank

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5635754A (en) * 1979-08-29 1981-04-08 Daido Steel Co Ltd Low temperature turbine blade steel and its heat treatment
CN1351188A (en) * 2000-10-30 2002-05-29 安徽省当涂冶金机械备件厂 Steel dedicated for tool blade and technology for manufacturing tool blade
WO2007121542A1 (en) * 2006-04-24 2007-11-01 Villares Metals S/A High-speed steel for saw blades
CN101538685A (en) * 2008-03-21 2009-09-23 宝山钢铁股份有限公司 High-toughness ductile blade steel and metallurgical manufacturing method thereof
CN102296167A (en) * 2011-08-11 2011-12-28 南车眉山车辆有限公司 Cryogenic treatment process for 9SiCr die steel used for railway freight cars
CN102776446A (en) * 2012-08-15 2012-11-14 安徽嘉龙锋钢刀具有限公司 Semi-high speed steel copper soldering inlaid steel cutting blade and manufacturing method thereof
CN103386350B (en) * 2013-08-06 2014-12-10 杨仲华 Intelligent household garbage processor
CN204220609U (en) * 2014-11-21 2015-03-25 江苏海事职业技术学院 A kind of family expenses apparatus for disposing of food waste

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5635754A (en) * 1979-08-29 1981-04-08 Daido Steel Co Ltd Low temperature turbine blade steel and its heat treatment
CN1351188A (en) * 2000-10-30 2002-05-29 安徽省当涂冶金机械备件厂 Steel dedicated for tool blade and technology for manufacturing tool blade
WO2007121542A1 (en) * 2006-04-24 2007-11-01 Villares Metals S/A High-speed steel for saw blades
CN101538685A (en) * 2008-03-21 2009-09-23 宝山钢铁股份有限公司 High-toughness ductile blade steel and metallurgical manufacturing method thereof
CN102296167A (en) * 2011-08-11 2011-12-28 南车眉山车辆有限公司 Cryogenic treatment process for 9SiCr die steel used for railway freight cars
CN102776446A (en) * 2012-08-15 2012-11-14 安徽嘉龙锋钢刀具有限公司 Semi-high speed steel copper soldering inlaid steel cutting blade and manufacturing method thereof
CN103386350B (en) * 2013-08-06 2014-12-10 杨仲华 Intelligent household garbage processor
CN204220609U (en) * 2014-11-21 2015-03-25 江苏海事职业技术学院 A kind of family expenses apparatus for disposing of food waste

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106756548A (en) * 2016-12-14 2017-05-31 郭策 A kind of preparation method of flood bank

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