CN202530134U - Pretreatment production line for aluminum scraps - Google Patents

Pretreatment production line for aluminum scraps Download PDF

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Publication number
CN202530134U
CN202530134U CN2012200210203U CN201220021020U CN202530134U CN 202530134 U CN202530134 U CN 202530134U CN 2012200210203 U CN2012200210203 U CN 2012200210203U CN 201220021020 U CN201220021020 U CN 201220021020U CN 202530134 U CN202530134 U CN 202530134U
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CN
China
Prior art keywords
aluminium bits
aluminium
bits
kiln
production line
Prior art date
Application number
CN2012200210203U
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Chinese (zh)
Inventor
陈涧峰
Original Assignee
苏州啸波科技有限公司
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Priority to CN2012200210203U priority Critical patent/CN202530134U/en
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Publication of CN202530134U publication Critical patent/CN202530134U/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The utility model discloses a pretreatment production line for aluminum scraps. The pretreatment production line comprises a vibrating screen classifier, a winding scrap cutting machine, a receiving funnel, a spiral conveyer, a lifting device, an aluminum scrap grinder, a centrifugal drier, a magnetic separator, a rotation drying-preheating kiln, an exhaust gas incinerator, an aluminum scrap melting furnace and an exhaust gas waste heat using system; the lifting device comprises a 1# belt conveyer, a 2# belt conveyer and a 3# belt conveyer, the 1# belt conveyer is connected with the spiral conveyer and the aluminum scrap grinder, the 2# belt conveyer is connected with the aluminum scrap grinder and the centrifugal drier, and the 3# belt conveyer is connected with the magnetic separator and the rotation drying-preheating kiln; and a 1# tubular vibrating conveyer is also arranged between the 3# belt conveyer and the rotation drying-preheating kiln. By the pretreatment production line for the aluminum scraps, the iron content in the aluminum scraps can be controlled to be less than 0.2 percent, the preheating temperature of the aluminum scraps is about 150 DEG C, the burning loss of the aluminum scraps can be controlled to be about 5 percent, and the emission concentration of smoke reaches 0 Ringelmann.

Description

Aluminium bits pre-treatment production line
Technical field
The utility model relates to aluminium alloy casting waste recovery technical field, particularly a kind of aluminium bits pre-treatment production line.
Background technology
Aluminium alloy casting enterprise, particularly automobile, Motorcycle Aluminum Alloy part are made manufacturing enterprise in the manufacturing production process of aluminum alloy part, can produce a large amount of duraluminum smear metals the technological process before the cast blank of part is handled to piece surface.For the processing of these aluminium bits, general way is to reclaim melting again, but these aluminium bits contain a lot of greasy dirts, cutting fluid and impurity mostly through the machine tooling generation; Some aluminium bits are from the aluminum alloy part of band iron inserts, to process, and contain more iron contamination; Some aluminium bits volume ratio is bigger in addition, becomes to twine shape.As these aluminium bits are not carried out pre-treatment and directly melt down remelting, scaling loss is serious in the time of can causing the fusing of aluminium bits, and produces a large amount of obnoxious flavour contaminate environment; In addition, impurity such as iron can produce very big influence to aluminium liquid quality, when later stage aluminium liquid composition is adjusted, need add a large amount of fine aluminium ingots and dilute, and have prolonged the activity duration of aluminium liquid composition adjustment, have reduced productivity.
Existing technology is that the aluminium bits that reclaim are carried out pre-treatment through an aluminium bits pre-treatment production line, removes greasy dirt, cutting fluid and iron contamination etc. in some aluminium bits.Concrete flow process is earlier the aluminium bits to be joined in the aluminium bits receiving hopper; Flowing to scraper lifting machine through the worm conveyor under the funnel again is transported to pulverize in the crusher and is convenient to subsequent disposal; The aluminium pulverized bits are transported to the worm conveyor before the dram opening for feed through scraper lifting machine again; Worm conveyor quantitatively joins the aluminium bits and carries out moisture and cutting fluid oven dry in the dram; Aluminium after oven dry bits get into magnetic separator and carry out the removal of iron contamination, and the aluminium bits that removed iron get in the hopper below the magnetic separator, flow to scraper lifting machine through the worm conveyor below the hopper again and are transported to smelting furnace and melt.
Above-mentioned prior art is that the aluminium bits that reclaim are all joined in the receiving hopper, handles through the link of back again.Structural performance because of worm conveyor and scraper plate lifting; Part volume ratio is bigger; The aluminium bits that become to twine shape get into worm conveyor and scraper lifting machine before the crusher makes these two equipment occur getting stuck and the fault that can't move sometimes; At this moment just need to shut down maintenance, cause to produce and interrupt, influence ordinary production.
The thermal source of the dram oven dry usefulness of using in the above-mentioned prior art is to provide through the burner that is installed on the dram, needs the complete firing system of configuration one cover, and fuel cost is higher.
Above-mentioned prior art is that the aluminium bits are all carried out the oven dry of moisture and cutting fluid through dram, and needing great amount of heat could dry the aluminium bits, and can produce a large amount of obnoxious flavoures, and being discharged into can serious environment pollution in the atmosphere.
Extend in the dram to the reinforced worm conveyor of dram in the above-mentioned prior art,, be easy to cause worm conveyor to break down because the temperature in the dram is higher.
Hot aluminium bits temperature in the above-mentioned prior art after the oven dry is higher, and the permanent magnetic pulley of magnetic separator at high temperature can produce the demagnetization phenomenon and cause magnetic separator to lose efficacy.
The utility model content
For solving the problems of the technologies described above, the utility model provides a kind of pre-treatment production line that is used to cut the aluminium bits.
For achieving the above object, the technical scheme of the utility model is following:
A kind of aluminium bits pre-treatment production line; The involving vibrations sieve apparatus, twine bits stapling machine, receiving hopper, worm conveyor, lifting gear, aluminium bits kibbler, centrigugal swing dryer, magnetic separator, revolution drying and forewarm kiln, waste gas combustion furnace, aluminium bits smelting furnace, and the waste gas heat utilization system; Said lifting gear is a rotary conveyor; It comprises 1# rotary conveyor, 2# rotary conveyor and 3# rotary conveyor; Said 1# rotary conveyor is used for said connection worm conveyor and aluminium bits kibbler; Said 2# rotary conveyor is used to connect said aluminium bits kibbler and centrigugal swing dryer, and said 3# rotary conveyor is used to connect said magnetic separator and revolution drying and forewarm kiln; Also be provided with 1# tubular type shaker conveyer between said 3# rotary conveyor and the revolution drying and forewarm kiln.
Preferably, the worm conveyor between said revolution drying and forewarm kiln and the aluminium bits smelting furnace is a 2# tubular type shaker conveyer.
Preferably, said waste gas heat utilization system comprises that flue gas mixes cold machine automatically, and said flue gas is mixed cold machine automatically and is used to connect said aluminium bits smelting furnace and revolution drying and forewarm kiln.
Compared with prior art, the advantage of the utility model technical scheme is mainly reflected in: 1. rate of breakdown is low, and maintenance cost is low; 2. production efficiency of equipment is high; 3. energy consumption is low, and energy-saving effect is remarkable; 4. obnoxious flavour is eliminated, and fume emission is up to standard; 5. the aluminium bits are handled clean, satisfactory for result; 6. the utility model can be widely used in the aluminium bits recovery that meeting produces the enterprise of a large amount of aluminium bits in process of producing product, has good economic benefit after the popularization, for good pushing effect is played in the development of industry.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below.
Fig. 1 is the disclosed a kind of aluminium bits pre-treatment production line synoptic diagram of the utility model embodiment.
Numeral among the figure:
11. vibrating screen classifier 12. twines bits stapling machine 13. worm conveyors
14. receiving hopper 15. aluminium bits kibbler 16. centrigugal swing dryers
17. magnetic separator 18. waste gas combustion furnaces 19. revolution drying and forewarm kilns
110. flue gas is mixed cooler 111. aluminium bits smelting furnace 112.1# rotary conveyor automatically
113.2# rotary conveyor 114.3# rotary conveyor 115.1# tubular type shaker conveyer
116.2# tubular type shaker conveyer
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment will be carried out clear, intactly description.
According to Fig. 1; The utility model provides is used to cut aluminium and considers pretreated production line to be worth doing, involving vibrations sieve apparatus 11, twines bits stapling machine 12, receiving hopper 14, worm conveyor 13,1# rotary conveyor 112, aluminium bits kibbler 15,2# rotary conveyor 113, centrigugal swing dryer 16, magnetic separator 17,3# rotary conveyor 114,1# tubular type shaker conveyer 115, revolution drying and forewarm kiln 19, waste gas combustion furnace 18,2# tubular type shaker conveyer 116, aluminium bits smelting furnace 111, flue gas and mixes cooler 110 automatically.
The technical process of the utility model is: earlier the aluminium bits are joined in the vibrating screen classifier 11, aluminium bits volume ratio is big, that become to twine shape sieve out, and the down tiny aluminium bits of sieve directly get in the receiving hopper 14; Aluminium bits in the receiving hopper 14 flow to 1# rotary conveyor 112 through the worm conveyor 13 that is arranged under the funnel; Be transported to again and in the aluminium bits kibbler 15 the aluminium bits be ground into more tiny aluminium bits and make things convenient for subsequent disposal; The aluminium bits of having pulverized are transported in the centrigugal swing dryer 16 through 2# rotary conveyor 113 moisture and cutting fluid in the aluminium bits are separated; Aluminium bits after the separation are fallen into the removal of carrying out iron contamination in the magnetic separator 17 that is located at centrigugal swing dryer 16 belows; The aluminium bits that removed iron are transported in the 1# tubular type shaker conveyer 115 that is located at before revolution drying and forewarm kiln 19 opening for feeds through 3# rotary conveyor 114; Certain temperature is dried and be preheating to the aluminium bits further to the aluminium bits in 1# tubular type shaker conveyer 115 quantitative and even join revolution drying and forewarm kiln 19; The aluminium bits that preheating is good are discharged from the feed opening of revolution drying and forewarm kiln 19, are transported in the aluminium bits smelting furnace 111 through 2# tubular type shaker conveyer 116 and melt.
In the utility model; The bits that twine that sieve out from vibrating screen classifier 11 get into and to twine bits stapling machine 12 and be cut into tiny aluminium bits; Aluminium bits after cutting get in the receiving hopper 14 again; Effectively avoid the bigger bits that twine of volume to enter into worm conveyor 13 and produce to get stuck and cause to produce and interrupt, guaranteed ordinary production.
In the utility model, rotary conveyor is real to be corrugated flange blet conveyor, has the function and the characteristic of scraper lifting machine, and its structure is open type, has thoroughly solved the problem that getting stuck appears in the scraper lifting machine of enclosed construction.
In the utility model, the effect of aluminium bits kibbler 15 is that the aluminium bits are crushed to 20-30mm left and right sides length, to improve the effect of subsequent disposal workshop section; This aluminium bits kibbler 15 also has another function; Can get from the sewage draining exit of top and discharge being mixed in the bigger non-aluminium foreign material of proportion in the aluminium bits (first-class like screw, bite), the aluminium liquid of effectively avoiding non-aluminium foreign material to enter into aluminium bits smelting furnace 111 impacts aluminium liquid quality.
In the utility model; The similar drying tube of centrigugal swing dryer 16 principle of work with washing machine; Under action of centrifugal force, will separate attached to moisture and cutting fluid on the aluminium bits; Isolated cutting fluid is reusable through handling after collecting, and has reduced the loss of cutting fluid in producing, and has reduced production cost.
In the utility model, magnetic separator 17 is arranged on centrigugal swing dryer 16 times, and before being positioned at revolution drying and forewarm kiln 19, the aluminium bits belong to cold conditions, and the permanent magnetic pulley that has thoroughly solved magnetic separator 17 at high temperature produces the problem that the demagnetization phenomenon causes magnetic separator 17 to lose efficacy.
In the utility model; Be arranged on the preceding 1# tubular type shaker conveyer 115 of revolution drying and forewarm kiln 19 opening for feeds because of its unique principle and structure; Add transfer lime and adopt stainless steel to make, therefore extend in the revolution drying and forewarm kiln 19 and can not cause fault by Yin Gaowen.
In the utility model; The aluminium bits that get in the revolution drying and forewarm kiln 19 are isolated a large amount of moisture and cutting fluid through centrigugal swing dryer 16 earlier; The aluminium bits moisture of this moment and the content of cutting fluid are few, use a spot of heat just can it be dried, and the obnoxious flavour that oven dry is produced is also less.Revolution drying and forewarm kiln 19 is not provided with burner separately; The used thermal source of oven dry aluminium bits derives from the high-temperature flue gas of follow-up aluminium bits smelting furnace 111 dischargings, and high-temperature flue gas is mixed cooler 110 automatically through the flue gas in the waste gas heat utilization system and flue-gas temperature is adjusted to infeeded revolution drying and forewarm kiln 19 about 400 degree again.Waste gas in the revolution drying and forewarm kiln 19 is discharged through smoke outlet and is got in the waste gas combustion furnace 18, and waste gas combustion furnace 18 is burnt the objectionable constituent in the waste gas, avoids a large amount of obnoxious flavoures, is discharged into serious environment pollution in the atmosphere.
In the utility model; Aluminium bits through 19 preheatings of revolution drying and forewarm kiln are good are discharged from the feed opening of revolution drying and forewarm kiln 19; Be transported in the aluminium bits smelting furnace 111 through 2# tubular type shaker conveyer 116 and melt, the hopper that is provided with in the prior art has been removed in the centre, the high temperature aluminum bits of preheating is sent in the aluminium bits smelting furnace 111 fast melted; Avoid the aluminium bits in hopper, to produce temperature drop, effectively reduce the energy consumption of aluminium bits smelting furnace 111.
Consider through the utility model aluminium that the iron level in the aluminium bits can be controlled in below 0.2% behind the pretreated production line to be worth doing, the preheating temperature of aluminium bits can reach about 150 ℃, and the scaling loss of aluminium bits can be controlled in about 5%, and smoke emissioning concentration reaches 0 grade of Lin Geman.
Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (3)

1. an aluminium is considered the pre-treatment production line to be worth doing; It is characterized in that; The involving vibrations sieve apparatus, twine bits stapling machine, receiving hopper, worm conveyor, lifting gear, aluminium bits kibbler, centrigugal swing dryer, magnetic separator, revolution drying and forewarm kiln, waste gas combustion furnace, aluminium bits smelting furnace, and the waste gas heat utilization system; Said lifting gear is a rotary conveyor; It comprises 1# rotary conveyor, 2# rotary conveyor and 3# rotary conveyor; Said 1# rotary conveyor is used for said connection worm conveyor and aluminium bits kibbler; Said 2# rotary conveyor is used to connect said aluminium bits kibbler and centrigugal swing dryer, and said 3# rotary conveyor is used to connect said magnetic separator and revolution drying and forewarm kiln; Also be provided with 1# tubular type shaker conveyer between said 3# rotary conveyor and the revolution drying and forewarm kiln.
2. aluminium bits pre-treatment production line according to claim 1 is characterized in that the worm conveyor between said revolution drying and forewarm kiln and the aluminium bits smelting furnace is a 2# tubular type shaker conveyer.
3. aluminium according to claim 2 bits pre-treatment production line is characterized in that, said waste gas heat utilization system comprises that flue gas mixes cold machine automatically, and said flue gas is mixed cold machine automatically and is used to connect said aluminium bits smelting furnace and revolution drying and forewarm kiln.
CN2012200210203U 2012-01-17 2012-01-17 Pretreatment production line for aluminum scraps CN202530134U (en)

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Application Number Priority Date Filing Date Title
CN2012200210203U CN202530134U (en) 2012-01-17 2012-01-17 Pretreatment production line for aluminum scraps

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Application Number Priority Date Filing Date Title
CN2012200210203U CN202530134U (en) 2012-01-17 2012-01-17 Pretreatment production line for aluminum scraps

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104711429A (en) * 2015-03-19 2015-06-17 广西平果铝合金精密铸件有限公司 Automatic aluminum shaving conveying and energy-saving drying device
CN104776723A (en) * 2015-03-20 2015-07-15 卢坤 Environment-friendly and energy-saving production method for casting melt by using non-ferrous metal
CN105364080A (en) * 2015-12-11 2016-03-02 大连远东新材料科技有限公司 Oil-containing metal powder treatment system
CN105521852A (en) * 2015-10-08 2016-04-27 镇江裕久智能装备股份有限公司 Pre-treatment device used for recycling aluminum scraps
CN105522434A (en) * 2015-10-08 2016-04-27 镇江裕久智能装备股份有限公司 Aluminum scrap recycling device
CN109930002A (en) * 2019-03-20 2019-06-25 江苏凯特汽车部件有限公司 A kind of aluminum-alloy wheel manufacturing machine processing aluminium skimmings direct reuse preprocessing system
CN111571296A (en) * 2020-06-22 2020-08-25 新昌宠信机械科技有限公司 Numerical control machine tool metal cutting bits waste heat utilization equipment

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104711429A (en) * 2015-03-19 2015-06-17 广西平果铝合金精密铸件有限公司 Automatic aluminum shaving conveying and energy-saving drying device
CN104776723A (en) * 2015-03-20 2015-07-15 卢坤 Environment-friendly and energy-saving production method for casting melt by using non-ferrous metal
CN104776723B (en) * 2015-03-20 2017-06-20 卢坤 A kind of environmental protection, the energy-saving production method of non-ferrous metals casting melt
CN105521852A (en) * 2015-10-08 2016-04-27 镇江裕久智能装备股份有限公司 Pre-treatment device used for recycling aluminum scraps
CN105522434A (en) * 2015-10-08 2016-04-27 镇江裕久智能装备股份有限公司 Aluminum scrap recycling device
CN105522434B (en) * 2015-10-08 2017-11-03 镇江裕久智能装备股份有限公司 A kind of aluminium skimmings retracting device
CN105521852B (en) * 2015-10-08 2018-07-03 镇江裕久智能装备股份有限公司 A kind of pretreatment unit for aluminium skimmings recycling
CN105364080A (en) * 2015-12-11 2016-03-02 大连远东新材料科技有限公司 Oil-containing metal powder treatment system
CN109930002A (en) * 2019-03-20 2019-06-25 江苏凯特汽车部件有限公司 A kind of aluminum-alloy wheel manufacturing machine processing aluminium skimmings direct reuse preprocessing system
CN109930002B (en) * 2019-03-20 2021-01-01 江苏凯特汽车部件有限公司 Pretreatment system for directly recycling aluminum scraps in machining of aluminum alloy wheel production
CN111571296A (en) * 2020-06-22 2020-08-25 新昌宠信机械科技有限公司 Numerical control machine tool metal cutting bits waste heat utilization equipment

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