CN1039298A - Remove the equipment that the ferromagnetic metal bits are gone up the method for metalworking coolant and implemented this method - Google Patents
Remove the equipment that the ferromagnetic metal bits are gone up the method for metalworking coolant and implemented this method Download PDFInfo
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- CN1039298A CN1039298A CN 89101367 CN89101367A CN1039298A CN 1039298 A CN1039298 A CN 1039298A CN 89101367 CN89101367 CN 89101367 CN 89101367 A CN89101367 A CN 89101367A CN 1039298 A CN1039298 A CN 1039298A
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- housing
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- metal fillings
- heating
- metalworking coolant
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Abstract
Removing ferromagnetic metal bits, to go up the method for metalworking coolant be such, in heating or park in the process of metal fillings, with rotary electromagnetic field in the scope of 105 °～310 ℃ of temperature to the metal fillings effect.
The equipment of implementing said method comprises the housing 2 that heater 3 is housed, heater 10 and discharger 11.In addition, this equipment is equipped with the inductor 4 that is used for forming rotary electromagnetic field in housing 2, ferromagnetism stock 5, and heating fluid dividing cover 6 is used for discharging the current collector 8 of metalworking coolant, and collects dispensing mechanism 9.
Description
This invention belongs to the scope of reprocessing hard waste material, and specifically, is to belong to the method for removing metalworking coolant on the ferrimagnet metal fillings and the equipment of implementing this method.
This invention can be used for removing the metalworking coolant on the ferromagnetic metal bits in arbitrary field of machine building industry.
The method of having known of removing the last metalworking coolant of ferromagnetic metal bits is in wash solution, perhaps in having the hot water of pressure, metal fillings is washed (A.B. Ion Alexe grace section, " collection of metal fillings and reprocessing ", 1980, Moscow, machine building industry publishing house, 31～32 pages).The shortcoming of these methods is the big and both expensive of the amount of labour, and this situation is owing to consume the expensive composition of price in the cleaning solution, and needs to adopt the wash solution that special device destroys with neutralization and remove decontaminated water and cause.In addition, the cost of basic charge and product is also quite high, nor can prevent the pollution of environment fully.
Also know a kind of method (A.B. Ion Alexe grace section that purifies the ferromagnetic metal bits, " collection of metal fillings and reprocessing ", 1980, Moscow, machine building industry publishing house, 31～33 pages), this method is that the ferromagnetic metal bits are delivered to the thermal treatment zone, metal fillings is heated, and park a period of time under certain heating-up temperature, the metal fillings that will purify is then discharged.
Handle ferromagnetic metal bits according to the method and in the cydariform converter, carry out, be that 700～900 ℃ solder paste comburant is realized heat effect with temperature, and under this temperature, keep 5～6 minutes.Be included in that the composition of the metalworking coolant in the metal fillings is burned to be fallen, then metal fillings discharged, and it is transported reprocess.
The shortcoming of this method is that process efficient is low, the quality that purifies the resulting metal fillings in back is low, because metal fillings is polluted by the comburant of the metalworking coolant organic principle of falling in a jumble, and contain a large amount of oxide (can reach 10～12%), also have the environment of a shortcoming around being by the metalworking coolant composition be used for the poisonous gaseous combustion thing of kerosene composition of heating of metal bits and polluted, this situation makes and must adopt special device absorbing this comburant, and the usefulness of this absorption plant is high not enough now.
Known a kind of equipment (A.B. Ion Alexe grace section, " collection of metal fillings and reprocessing ", 1980, Moscow, machine building industry publishing house, 31～32 pages) of removing metalworking coolant on the metal fillings.This equipment contains filling conveyer, cleaning machine and discharging conveyer.In this equipment, have the washing chamber of the conveyer of metal fillings by cleaning machine, the pressure that metal fillings is flowed in the washing chamber is 3～4 kilograms per centimeter
2The hot water of (0.3～0.4 MPa) (90～95 ℃) washes.
Then, metal fillings is fallen the conveyer outside the washing chamber, and is sent to hothouse.The shortcoming of this equipment is, still leaving about 2% of the original amount of metalworking coolant on the metal fillings of the arbitrary dimension after the purification, will reduce the quality of metal fillings like this.In addition, in this equipment, the efficient that purifies metal fillings is low, and is the course of work of an effort, and the method for this purification metal fillings also can make a large amount of water that contains the metalworking coolant composition pollute environment on every side.
Also has a kind of equipment (A.B. Ion Alexe grace section that the ferromagnetic metal bits are gone up metalworking coolant that removes, " collection of metal fillings and reprocessing ", 1980, Moscow, machine building industry publishing house, 31～33 pages), this equipment contains heater, feeder and discharger have heater on the housing of heater.This equipment is worked as follows.From feeder metal fillings is filled heater, this device is that a diameter is 1.6 meters, and length is 8 meters cydariform converter.Metal fillings was by gas heating 5～6 minutes in converter.Adopt kerosene to make fuel.Heating-up temperature is 700～900 ℃.Metal fillings is introduced into discharger from converter, and is transported the reprocessing of carrying out subsequently.The major defect of this equipment is that efficient is low, and the process time is long, and efficient is low to be big because of loading and unloading the amount of labour of expecting.In addition, the metal fillings that has purified on this equipment has high oxidizability (reaching 10～12%), and the comburant of the organic mixture of skim on falling is in a jumble arranged on the surface, so just greatly reduces the quality of metal fillings.At last, when purifying metal fillings on this equipment, a large amount of losses will take place in the water and the oil that are included in the metalworking coolant.Purify the oil that 1 ton of metal fillings will lose 50 kg of water and about 2.5 kilograms.
In addition, when the work of this equipment, the poisonous comburant of metalworking coolant organic principle gaseous state will pollute environment on every side, because it is high not enough to be installed in the usefulness of the device that is used for absorbing poisonous comburant on this equipment.
The basic task of this invention is to develop a kind of equipment that the ferromagnetic metal bits are gone up method and this method of enforcement of metalworking coolant of removing, and make the condition of this method and apparatus by means of the rapid evaporation metalworking coolant that is provided, the oxidation of metal fillings can be prevented, the quality that purifies metal fillings will be improved like this.
Being proposed of task is to solve like this, the method of removing metalworking coolant from the ferromagnetic metal bits is that metal fillings is delivered to the thermal treatment zone, it is heated, and under given heating-up temperature, park a period of time, the metal fillings that will purify is then discharged, according to this invention, in heating and parking period, will be with rotating excitation field to the metal fillings effect, and in 105～310 ℃ scope, finish heating and park.
When adopting this method, in 1.1～4.0 minutes time, finish the metal fillings heating and to park be suitable.
When adopting this method, it also is suitable in air-flow metal fillings being heated and parks in 0.7～3.1 minute time.
So, realize this method that the ferromagnetic metal bits are gone up metalworking coolant of removing, as mentioned above, can avoid the oxidation of metal fillings, and can guarantee that metal fillings has high quality, this is because purifying metal fillings is to carry out under lower temperature, and the time that purifies is of short duration.
The equipment of implementing this method comprises the heater that heater is housed on the housing, the feeder that is provided with on housing top, discharger in the lower housing portion setting, according to this invention, on this equipment, add inductor, the ferromagnetism stock, the heating fluid dividing cover and the dispensing mechanism of metalworking coolant are suitable, inductor surrounds housing, so that in housing, form rotating excitation field, the ferromagnetism stock be placed in housing Nei ， And and with housing and inductor along same axis, the heating fluid dividing cover is fixed on the below of enclosure interior ferromagnetism stock, in addition, the housing parts on inductor top is made into current collector, is used for getting rid of the steam of metalworking coolant, along the axis of housing dispensing mechanism is installed between feeder and the current collector.
It is useful installing oil eliminator and condenser on this equipment additional, and oil eliminator communicates with current collector, and condenser communicates with oil eliminator.
On this equipment, it is favourable that housing is made into the lining that nonmagnetic substance is housed, and lining is contained in the part that the sensed device of housing is surrounded.
It is useful having air inlet on the housing of this equipment, and open on the housing of heating fluid dividing cover bottom in the air port.
Make the equipment that the ferromagnetic metal bits are gone up metalworking coolant of removing like this, can guarantee that as mentioned above metal fillings has high quality, being convenient to next step utilizes it, can guarantee that also purification process has high productivity ratio, and surrounding environment is able to safety and sound, because the toxic component of metalworking coolant can not be diffused in the surrounding environment.
With the explanation of quoting as proof of the instantiation of implementing this invention and accompanying drawing, the present invention is explained below.In the accompanying drawings:
Fig. 1, according to this invention, schematically the equipment that the ferromagnetic metal bits are gone up metalworking coolant is removed in expression, the total figure that represents with section;
Fig. 2 is II-II section of Fig. 1.
The method that removing ferromagnetic metal bits are gone up metalworking coolant is such, and metal fillings is delivered to the thermal treatment zone, heats in the scope of 105～310 ℃ of temperature, and park 1.1～4.0 minutes in this temperature range.In heating and parking period, be with rotating excitation field to the metal fillings effect.
Rotating excitation field can be so that metal fillings rotates in suspended state under the effect of alternating direction magnetizing force to the effect of a large amount of ferromagnetic metal bits.In rotary course, metal fillings stirs tempestuously, and the metal fillings particle collides mutually, and the result is because the enhancing of mechanism and metal fillings layer gas permeability will speed up the process of removing metalworking coolant drop and steam.Like this, just can be under the situation more much lower than the temperature of existing method, reduction purifies the time of metal fillings greatly.
In the scope of 105 °～310 ℃ of temperature, realize purification process, can strengthen the effect of removing the metalworking coolant composition, because the water in the metalworking coolant can seethe with excitement, pass through mechanical means, can partly remove oil droplet from the metal fillings surface, in addition, also produce the volatilization and the evaporation of metalworking coolant organic principle.Meanwhile, the burning of oil can not take place, so metal fillings is not oxidized in the said temperature scope, not lubricated cooling fluid comburant pollutes, and can not isolate poisonous gaseous combustion thing.In addition, the steam of metalworking coolant can collect the pollution that can prevent like this surrounding environment by the condensation to this steam quite easily and effectively.
The method of removing the last metalworking coolant of ferromagnetic metal bits also can be realized in air-flow, in this case, to in 105 °～310 ℃ scope, heat, and in this temperature range, park 0.7～4.0 minute metal fillings.
When in air-flow, carrying out this purification process, can improve from the condition of the surface evaporation metalworking coolant of metal fillings particle, clarification time can be reduced like this, and correspondingly can improve the productivity ratio of purification process, perhaps in the above-mentioned time interval, reduce temperature, can increase the durability of employed Equipment for Heating Processing like this.
The method of being recommended with several embodiment explanation is than superiority that existing method had below.
The existing method of example 1()
It is 5% metalworking coolant that cast-iron scrap contains weight, and this cast-iron scrap is filled heater, it is heated, and remain to till the metalworking coolant completing combustion, then cast-iron scrap is discharged.In the metalworking coolant combustion process, can determine the composition of waste gas with chromatography.In waste gas, can see CO and SO are arranged
2In removing the iron filings of metalworking coolant, determined a certain amount of oxygen.
The method that example 2～9(is recommended)
It is 5% metalworking coolant that cast-iron scrap contains weight, this cast-iron scrap packed into be used for removing the equipment that the ferromagnetic metal bits are gone up metalworking coolant, in this equipment, set up rotating excitation field, and cast-iron scrap is docked to remove fully till the metalworking coolant therein, close inductor then, and discharge the metal fillings that has purified.Waste gas is analyzed its composition at floss hole then by oil eliminator and condenser.Note the temperature and time that carries out purification process.Purification process can be in passing the suction air stream of equipment, also can carry out under the situation of air not having.The technical characterstic of purification process and test result are listed in preceding table.
Data from table as can be seen, when purifying iron filings according to the method for being declared, under the situation that reduces the purification process operating temperature greatly, clarification time can reduce 1/3～5/6, and when in air stream, purifying, under the situation that reduces the purification process operating temperature greatly, the clarification time can reduce 1/2～15/17(example 7,8,9).The productivity ratio of this method under the identical situation of other condition, is inversely proportional to the time of finishing purification process, compares with the productivity ratio of existing method, can improve 0.5～5 times and 1～7.5 times.Because do not contain the comburant of metalworking coolant in the metal fillings, and the oxidizability of metal fillings reduces 2.4～7.7 times, so the purification quality of metal fillings is improved.When temperature is lower than 105 ℃ of the temperature range lower limits recommended, finishing the time of purification process significantly extends, and productivity ratio will reduce, and this situation is owing to moisture contained in the metalworking coolant no longer boiling, has reduced the effect (example 2) of removing oil droplet with mechanical means.When temperature surpassed 310 ℃ of the temperature range upper limits of being recommended, oil is burning suddenly, can produce toxic component like this in waste gas, and can oxidized metal bits (example 6).Use the method for being recommended to prevent to pollute environment on every side, because waste gas no longer contains toxic component (example 2,3,4,5,6,7,8,9) after by oil eliminator and condenser.
The equipment of removing the last metalworking coolant of ferromagnetic metal bits comprises heater 1(Fig. 1), on the housing 2 of this device heater 3 is housed.Housing 2 sensed devices 4 surround, so that produce rotary electromagnetic field in housing.Same axis along housing 3 and inductor 4 is being fixed ferromagnetism stock 5 in housing 4, and is fixing heating fluid dividing cover 6 below stock 5.Heating fluid dividing cover 6(Fig. 2) be hemispherical or ellipticity, heating element heater 7 is equipped with in its inside, this element and power connection (not shown on the figure).Housing 2(Fig. 1) part that is positioned at above the inductor 4 is made into the annular current collector 8 that is used for getting rid of lubricating cooled fluid steam.Axis along housing 2 is installed dispensing mechanism 9 and feeder 10 on the top of current collector 8, and in the bottom of housing 2 discharger 11 that has conveying worm 12 is installed.Be located at the air outlet 13 of heating below the fluid dividing cover 6 having on the housing 2.In addition, housing 2 also is equipped with the removable lining made from non magnetic high-abrasive material 14.Utilize pipeline 15 that current collector 8 is communicated with oil eliminator 16, semiaxis 17 is housed in the cylindrical drum of oil eliminator, two helical blades 18 are arranged on the semiaxis.Utilize pipeline 19 that oil eliminator 16 is communicated with water cooled condenser 20, the short tube of discharging condensate liquid is housed on the condenser.
The equipment that removing ferromagnetic metal bits are gone up metalworking coolant is to carry out work in the following manner.
Utilize heater 3 and heating fluid dividing cover 6, finish warming the current collector 8 of the working space of housing 2 and heater 1.
After the working space of housing 2 is warmed uniform temperature, open inductor 4, with the formation rotary electromagnetic field, and utilize dispensing mechanism 9, consider the working space of delivering to housing 2 to be worth doing from the ferromagnetic metal that feeder 10 pollutes lubricated cooling fluid.In working space, metal fillings is rotated magnetic field and holds, and is rotated and moves, and will improve the condition of evaporation and removing metalworking coolant like this.
Meanwhile, ferromagnetism stock 5 can homogenizing and is strengthened magnetic field intensity in housing 2 working spaces, and metal fillings like this helps to distribute more equably along the housing cross section.When the metalworking coolant process finishes on removing metal fillings, close inductor 4, and the metal fillings that purified can drop down onto the inlet of discharger 11 by housing 2 and heating the backlash freedom between the fluid dividing cover 6, utilizes conveying worm 12 to reprocess from transporting then here.The metalworking coolant that freely flows down from dispensing mechanism 9 drips and will drop on the heating fluid dividing cover 6, and is evaporated.
In addition, carry gas by air port 13 toward the working space of housings 2, these gases will be heated by by heating fluid dividing cover 6 and housing 2 formed gaps the time.The gas that has heated can improve the evaporation conditions of metalworking coolant.
This equipment also can carry out work under the situation of closing heater 3, in this case, carry hot gas by air port 13, can guarantee to utilize the heat of waste gas like this.
The steam of formed metalworking coolant in purification process, to be extracted out (not shown on the figure) by ventilation blower continuously, and enter oil eliminator 16 by current collector 8 along pipeline 15, the steam of metalworking coolant oil composition will be fallen on the helical blade 18 of oil eliminator 16.Water vapour enters condenser 20 along pipeline 19, and carries out condensation therein.Condensed water will be discharged from condenser 20 by short tube 21.
So, inductor 4 will be set up rotary electromagnetic field in the working space of housing 2.This magnetic field holds metal fillings in the needed clarification time.Simultaneously, metal fillings rotates and moves, thereby improves the condition of evaporating and removing metalworking coolant, thereby has also just improved the productivity ratio of equipment, and has improved the quality of metal fillings.Ferromagnetism stock 5 is with homogenizing and improve the intensity in magnetic field, thereby can strengthen the share of the metal fillings of packing into, improves the productivity ratio of equipment.Heating fluid dividing cover 6 is used for evaporating the metalworking coolant that freely flows down from dispensing mechanism 9.Drop is fallen on the fluid dividing cover, and is evaporated, and steam then takes current collector 8 to for the gas that passes through wraps.If fluid dividing cover 6 is not set, then the metalworking coolant that falls from dispensing mechanism 9 will fall on the discharger 11 that the metal fillings that has purified is housed.Therefore, fluid dividing cover 6 will improve the quality of metal fillings.Fluid dividing cover 6 also has effects: it is the current divider of the air-flow that enters from the bottom.Current collector 8 is used for getting rid of the steam of metalworking coolant, and for the quality of improving metal fillings with guarantee that the operation of entire equipment ability all is necessary.
In addition, this equipment can also guarantee to utilize the composition of metalworking coolant.For this reason, oil eliminator 16 and condenser 20 are housed on equipment.Dispensing mechanism 9 guaranteed in the time interval that equates, supplied with metal fillings with the share of equivalent from the working space of trend housing 2, so also can improve the productivity ratio of equipment.Removable lining 14 can prevent that the housing 2 of equipment from wearing and tearing in advance, thereby can improve the durability and the reliability of housing.
Therefore, realize removing the method that the ferromagnetic metal bits are gone up metalworking coolant like this, to provide advantage to the rapid evaporation of metalworking coolant, and implement the high production rate of the equipment of this method, can be by the automatic loading and unloading metal fillings, and in metal fillings heating, park and remove in the process of metalworking coolant, the agitaion of metal fillings layer is guaranteed.Owing to prevented the oxidation of metal fillings fully, so metal fillings maintains high quality, this is that the time of purification process is of short duration because in the equipment of being recommended, and is to carry out under lower temperature (slightly surpassing oily boiling temperature).Oil eliminator 16 and condenser that employing can separate profit can reach the composition that utilizes metalworking coolant, and can improve the ecological environment.
Claims (7)
1, the method for the last metalworking coolant of removing ferromagnetic metal bits is such, metal fillings is delivered to the thermal treatment zone, it is heated, and under certain heating-up temperature, park a period of time, and the metal fillings that will purify is then discharged, and the characteristics of this method are, in heating and parking period,,, finish the heating of metal fillings and park and in 105 °～310 ℃ temperature range the metal fillings effect with rotary electromagnetic field.
2, according to claim 1, the characteristics of this method are, in 1.1～4.0 minutes time, finish the heating of metal fillings and park.
3, according to claim 1, the characteristics of this method are, in 0.7～3.1 minute time, and heating and park metal fillings in gas-flow.
4, according to claim 1, the equipment of implementing this method comprises the heater 1 that heater 3 is housed on the housing 2, be positioned at the feeder 10 and the discharger 11 that is positioned at housing 2 bottoms on housing 2 tops, the characteristics of this equipment are, on this equipment, add inductor 4, ferromagnetism stock 5, the heating fluid dividing cover 6 of metalworking coolant and dispensing mechanism 9, inductor 4 surrounds housing 2, so that form rotary electromagnetic field in housing, ferromagnetism stock 5 is fixed in the housing 2, and with housing 2 and inductor 4 along same axis, heating fluid dividing cover 6 is fixed on the below of housing 2 inner ferromagnetism stocks 5, in addition, housing 2 parts that are positioned at inductor 4 tops are made into current collector 8, are used for discharging the steam of metalworking coolant, with dispensing mechanism 9 install with housing 2 along same axis, and between feeder 10 and current collector 8.
5, according to claim 4, the characteristics of this equipment are, the oil water separator 16 that is communicated with current collector 8 is housed on this equipment, and the condenser 20 that communicates with oil water separator 16.
6, according to claim 4 and 5, the characteristics of this equipment are, housing 2 is made into the lining 14 that has nonmagnetic substance, and this lining is positioned at the part that housing 2 sensed devices 4 are surrounded.
7, according to any one in the claim 4～6, the characteristics of this equipment are, the combustion gas air inlet is housed on the housing 2, and this air port is positioned at the below of heating fluid dividing cover 6 on the housing 2.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU439229I | 1988-03-15 | ||
| SU4392275 | 1988-03-15 | ||
| SU884392275A RU1768331C (en) | 1988-03-15 | 1988-03-15 | Plant for removal of lubricant-coolant from ferromagnetic metal chips |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1039298A true CN1039298A (en) | 1990-01-31 |
Family
ID=21361219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89101367 Pending CN1039298A (en) | 1988-03-15 | 1989-03-15 | Remove the equipment that the ferromagnetic metal bits are gone up the method for metalworking coolant and implemented this method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1039298A (en) |
| RU (1) | RU1768331C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101201219B (en) * | 2006-12-15 | 2010-07-21 | 辽宁弘光科技集团有限公司 | Continuous heat treatment device |
| CN101201218B (en) * | 2006-12-15 | 2010-07-28 | 辽宁弘光科技集团有限公司 | Continuous heat treatment device |
| CN105149326A (en) * | 2015-10-15 | 2015-12-16 | 宁波金田铜业(集团)股份有限公司 | Non-pollution continuous treatment apparatus for copper scraps containing oil dirt and treatment method thereof |
-
1988
- 1988-03-15 RU SU884392275A patent/RU1768331C/en active
-
1989
- 1989-03-15 CN CN 89101367 patent/CN1039298A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101201219B (en) * | 2006-12-15 | 2010-07-21 | 辽宁弘光科技集团有限公司 | Continuous heat treatment device |
| CN101201218B (en) * | 2006-12-15 | 2010-07-28 | 辽宁弘光科技集团有限公司 | Continuous heat treatment device |
| CN105149326A (en) * | 2015-10-15 | 2015-12-16 | 宁波金田铜业(集团)股份有限公司 | Non-pollution continuous treatment apparatus for copper scraps containing oil dirt and treatment method thereof |
| CN105149326B (en) * | 2015-10-15 | 2017-09-01 | 宁波金田铜业(集团)股份有限公司 | A kind of pollution-free apparatus for continuous treatment and its processing method of oil-containing copper scale |
Also Published As
| Publication number | Publication date |
|---|---|
| RU1768331C (en) | 1992-10-15 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |