KR20120080451A - Filtering system of a rolling oil and cutting oil - Google Patents

Filtering system of a rolling oil and cutting oil Download PDF

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Publication number
KR20120080451A
KR20120080451A KR1020110001928A KR20110001928A KR20120080451A KR 20120080451 A KR20120080451 A KR 20120080451A KR 1020110001928 A KR1020110001928 A KR 1020110001928A KR 20110001928 A KR20110001928 A KR 20110001928A KR 20120080451 A KR20120080451 A KR 20120080451A
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KR
South Korea
Prior art keywords
rolling
oil
filtering
filtering means
grinding
Prior art date
Application number
KR1020110001928A
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Korean (ko)
Inventor
이희성
Original Assignee
주식회사 그린코어 이엔씨
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Priority to KR1020110001928A priority Critical patent/KR20120080451A/en
Publication of KR20120080451A publication Critical patent/KR20120080451A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

PURPOSE: A rolling and grinding oil filtering system is provided to prevent the generation of bad odor due to the generation or the decomposition of sludge based on precipitates by preventing the generation of the precipitates. CONSTITUTION: A rolling and grinding oil filtering system includes a first filtering unit(20), a second filtering unit(30), and a third filtering unit(40). The first filtering unit primarily filters rolling or grinding oil containing iron components. The rolling or grinding oil is discharged from a machine(M) equipped with a roller or a grinder. The second filtering unit secondarily filters the rolling or grinding oil. The third filtering unit supplies regenerated rolling or grinding oil to the machine. The filtering units are composed of oil tanks(21, 41), magnetic members(22, 42), and scraper conveyors(23, 43). The rolling and grinding oil with the iron components is introduced into the oil tanks. The magnetic members are arranged at bottoms of the oil tanks and separate the iron components form the rolling and grinding oil. The scraper conveyors are embedded in the oil tanks and scrape and discharge the separated iron components.

Description

Filtering system of a rolling oil and cutting oil

The present invention relates to a rolling and grinding oil filtering system, and more particularly, to a compact structure and at the same time is provided to immediately process the iron components contained in the rolling or grinding oil can minimize the installation space as well as multi-stage The present invention relates to a rolling and grinding oil filtering system which is provided to filter over and can greatly increase the regeneration effect of oil.

In general, cold rolled steel sheets produced in steel mills are manufactured to have a uniform thickness and a smooth surface. Such cold rolled steel sheets are produced by passing a hot rolled steel sheet between rolling rolls of a rolling mill, and are mainly used for automobile bodies, measuring instruments, and electrical appliances. Done.

When producing such cold rolled steel sheets, rolling oil is usually used for cooling or lubricating the rolling roll of the rolling mill, and grinding oil is used in a grinding machine for grinding the rolling roll for polishing and regeneration of the rolling roll of the rolling mill. This rolling or grinding oil is usually pumped from the oil tank and used in a rolling mill or grinding machine, and then flows back into the oil tank again, containing iron, foreign matter and grinding chips.

An example of a conventional rolling and grinding oil filtering system for repeatedly using such rolling or grinding oil will be described with reference to the drawings. As shown in FIG. 1, conventionally, the oil is supplied from the oil tank 10 filled with the rolling or grinding oil to the apparatus M such as a rolling mill or a grinding machine by the pump 11. In the rolling or grinding oil discharged from the apparatus (M), the iron chips and foreign matters are separated by the magnetic separator 12 and discharged to the chip box 13, and then included in the rolling or grinding oil. The fine chips or grindstones of relatively small particles are filtered by the filter means 14, and then the rolling or grinding oil is refilled with the oil tank 10.

However, according to the conventional rolling and grinding oil filtering system, the magnetic separator 12 and the filter means 14 partially filter the iron component, but the magnetic separator 12 and the filter means 14. Is just a low-efficiency filtering means provided for the purpose of reducing the amount of deposits accumulated in the oil tank 10, the conventional rolling or grinding oil regeneration method to allow the iron component to precipitate in the oil tank (10) In the sedimentation method of reusing oil, the oil tank 10 is largely formed to sufficiently accommodate the amount of the sediment, so that the oil tank 10 has a disadvantage of occupying a large installation area accordingly, and sediment accumulated in the oil tank 10. The work for processing by the post-processing work is a very cumbersome disadvantage.

In addition, according to the conventional oil tank 10, as the precipitate is left for a predetermined time, not only sediment sludge caused by the iron component and the oil component is generated, but also the sediment is decayed and odor is generated at the same time, resulting in treatment problems. .

The present invention is to solve the problems described above, the present invention is made of a compact structure not only minimizes the installation space, but also non-precipitating treatment provided to immediately process the iron component contained in the rolling or grinding oil It is possible to provide a rolling and grinding oil filtering system that can prevent odor generation due to sludge generation or sediment decay in advance, and is equipped to filter in multiple stages, which can greatly increase the regeneration effect of oil. .

According to a feature of the invention, the first filtering means for first filtering the rolling or grinding oil containing the iron component discharged from the apparatus (M) including a rolling mill or grinding machine;

The first filtering means 20, the first filtered rolling or grinding oil is introduced into the secondary filtering, the closed chamber consisting of an upper housing (31a) and a lower housing (31b) that can be mutually coupled to maintain the airtight ( 31 and second filtering means (30) including a filter roll (33) through which a part of the filter is installed between the upper housing (31a) and the lower housing (31b);

And a third filtering means (40) provided to finally supply the regenerated rolling or grinding oil to the apparatus (M) by filtering the secondary filtered rolling or grinding oil from the second filtering means (30). ;

The first and third filtering means (20, 40) are provided in the oil tank (21, 41) and the bottom surface of the oil tank (21, 41) provided so that rolling or grinding oil containing the iron component flows in And scraping the magnetic components 22 and 42 which are used to magnetically separate the iron components from the rolling or grinding oil, and the iron components which are embedded in the oil tanks 21 and 41 and separated by the magnetic bodies 22 and 42. A rolling and grinding oil filtering system is provided which comprises scraper conveyors 23 and 43 adapted to be discharged.

According to another feature of the invention, the scraper conveyor (23, 43) is provided with a plurality of scrapers (24, 44) on the track, the scraper (24, 44) is the progress of the scraper conveyor (23, 43) A rolling and grinding oil filtering system is provided which is formed obliquely rearward with respect to the direction.

According to another feature of the present invention, the third filtering means 40 is characterized in that the cooler 45 is provided with a cooler 45 to lower the temperature of the rolling or grinding oil filled in the housing 41 And a grinding oil filtering system.

According to another feature of the present invention, the first filtering means (20) and the third filtering means (40) are the oil tanks (21, 41) are partitioned by partitions (60) arranged in parallel;

The second filtering means 30 is provided with a rolling and grinding oil filtering system, characterized in that disposed on top of the first filtering means 20 and the third filtering means (40).

As described above, according to the present invention, the iron component contained in the rolling or grinding oil discharged from the apparatus M including the rolling mill or the grinding machine is magnetically separated by the magnetic bodies 22 and 42 to the scraper conveyor 23 and 43. By being immediately discharged by the treatment, there is an advantage in preventing the generation of sediment as in the prior art, and at the same time to prevent the generation of odor due to sludge generation or decay by the precipitate.

In addition, the present invention is not to regenerate the rolling or grinding oil by the precipitation method as in the prior art, it is provided to immediately process the iron component by a plurality of filtering means (20, 30, 40), thereby increasing the installation area as conventional Since the oil tank 10 to occupy is unnecessary, there is an advantage that can reduce the installation area according to the configuration.

In addition, the present invention is to filter by a plurality of filtering means (20, 30, 40) in a plurality of stages, thereby making it possible to immediately reuse the rolling or grinding oil discharged from the device (M) to improve the oil regeneration effect There is an advantage that can be greatly increased.

In addition, the present invention is provided with a plurality of scrapers (24, 44) on the track of the scraper conveyor (23, 43) is provided to scrape the iron components separated by the magnetic body (22, 42), the scraper ( 24 and 44 are formed to be inclined backward with respect to the advancing (orbital movement) directions of the scraper conveyors 23 and 43, so that the scraped iron component is introduced into the oil tank 21 when the scraper conveyors 23 and 43 proceed. The operation of the scraper conveyors 23 and 43 may not be performed smoothly or the ends of the scrapers 24 and 44 may be damaged due to the load generated between the bottom surface of the 41 and the ends of the scrapers 24 and 44. There is an advantage to reduce the scraping efficiency is reduced by being spaced apart from the bottom surface of the oil tank (21, 41).

In addition, the cooler 45 is provided in the third filtering means 40 to finally filter the rolling or grinding oil to supply the device M to lower the temperature of the rolling or grinding oil filled in the oil tank 43. As a result, the rolling or grinding oil in the oil tank 41 is finally filtered and cooling is performed at the same time, so that a separate device or time for cooling the rolling or grinding oil separately is more compact. Yet there is an advantage that the supply of rolling or grinding oil can be more smoothly and quickly.

In addition, in the present invention, the first filtering means 20 and the third filtering means 40 are arranged in parallel with each oil tank 21 and 41 partitioned by the partition wall 60, and the second filtering means 30. ) Is disposed on top of the first filtering means 20 and the third filtering means 40, so that the area occupied by the device can be minimized, and thereby the installation area according to the configuration can be more compact. There is an advantage.

1 is a block diagram showing a regeneration structure of a conventional rolling or grinding oil
2 is a block diagram according to an embodiment of the present invention
3 is a front view showing the configuration according to an embodiment of the present invention
Figure 4 is a side view showing the configuration according to an embodiment of the present invention

The objects, features and advantages of the present invention will become more apparent from the following detailed description. Hereinafter, description will be made with reference to the accompanying drawings.

2 to 4 show a configuration according to a preferred embodiment of the present invention. As shown in FIG. 2, the present invention includes a first filtering means 20 for primarily filtering the rolling or grinding oil containing iron components discharged from the apparatus M including a rolling mill or a grinding machine, The first filtering means 20 is connected to the second filtering means 30 for secondarily filtering the first filtered rolling or grinding oil, and the second filtering means 30 is the second filtered rolling or grinding oil. And finally filtering the third filtering means 40 connected to supply the regenerated rolling or grinding oil to the device (M) side.

When explaining a more specific configuration of the present invention as follows. The first filtering means 20 is provided with an oil tank 21 so that the rolling or grinding oil discharged from the device (M) is introduced, the oil tank 21 is iron component from the rolling or grinding oil on the bottom surface The magnetic body 22 is provided to magnetically separate the inside, and the scraper conveyor 23 is built into the oil tank 21 to scrape and discharge the iron component separated by the magnetic body 22. have.

In the first filtering means 20 including such a configuration, the oil tank 21 is provided in a substantially needle-shaped shape, the waste iron outlet 25 is formed on one side of the upper end, the scraper conveyor 23 is the waste Through the iron outlet 25 is provided to scrape and discharge the grinding chips or foreign matter and grindstone included in the rolling or grinding oil.

In addition, the scraper conveyor 23 is provided in the shape of a needle-shaped so as to correspond to the shape of the oil tank 21 is provided with a plurality of scrapers 24 on its track, the outer side of the oil tank 21 In order to correspond to the waste iron powder outlet 25, a waste iron conveyor 26 and a collection box 27 for storing the waste iron transported by the waste iron are further provided.

Here, the scraper 24 is formed to be inclined at a predetermined angle with respect to the bottom surface of the oil tank 21, the scraper 24 is the traveling direction (orbital movement direction) of the scraper conveyor 23 It is provided in the form of a plate formed to be inclined rearward with respect to the end surface of the oil tank 21 in close contact with or in contact with the scrap iron waste.

According to the shape of the scraper 24, the scraper 24 is perpendicular to the bottom surface of the oil tank 21 or inclined forward when the scraper conveyor 23 proceeds (orbital movement). The scraped iron component is minimized between the bottom surface of the oil tank 21 and the end of the scraper 24, so that the load generated by the waste iron is pinched or the end of the scraper 24 is the oil tank 21. It is possible to prevent the operation of the scraper conveyor 23 is not smooth or the scraping efficiency is lowered by the occurrence of load by preventing the space from the bottom surface of the.

In addition, an oil outlet 28 is formed in the oil tank 21 of the first filtering means 20 so as to transfer the rolling or grinding oil to the second filtering means 30 on one side close to the lower end thereof. The oil outlet 28 is provided with a pipe connected to the second filtering means 20 and a pump 29 provided on the pipe.

In addition, the second filtering means 30 is provided so that the first filtering means by the rolling or grinding oil filtered by the first filtering means 20 to perform the secondary filtering, for this purpose, the second filtering means 30 Silver is provided with a closed chamber 31 formed with an oil inlet 34 and outlet 35 at the top and bottom, respectively, the sealed chamber 31 is the outside of the filter roll 33 is built in a part of the filter is installed It is provided in the state built in by the housing 32.

In the second filtering means 30, the hermetically sealed chamber 31 is provided in a hermetically sealed container configured to filter the filling flow rate by a high pressure pressing force while the rolling or grinding oil is filled, and the filter Roll 33 is installed so that a portion of the filter extends in the horizontal direction in the center portion of the closed chamber 31, the filter of the filter roll 33 is provided with a filter cloth of approximately 120 mesh, rolling or grinding The fine iron contained in the oil can also be filtered.

Here, the hermetic chamber 31 is composed of an upper housing 31a and a lower housing 31b that are separable from each other, and are spaced or pressed by the pressing means 31c, and the hermetic chamber 31 is the upper housing ( 31a) and the lower housing 31b are pressurized and filled with an oil amount corresponding to the volume, and filtering is performed by applying a separate air pressure, and then the upper housing (b) is pressed by the pressurizing means 31c. The filter position of the filter roll 33 is changed in a state in which 31a) and the lower housing 31b are spaced apart from each other, and the closed chamber 31 is filtered by sufficiently filling the oil amount even in a small area and filtering the oil. The amount can be increased.

In addition, in the outer housing 32, the waste iron powder outlet 37 is formed at one lower end of the waste iron powder filtered by the filter roll 33 to remove and discharge the waste iron powder by the injection nozzle 36, and the outer housing 32 The outer side of the) is provided with a waste iron conveyor (38) and a collection box (39) for collecting waste iron to transfer waste iron corresponding to the waste iron powder outlet 37.

In addition, the third filtering means 40 is the second filtering means 30 by the second filtering means 30 is introduced into the rolling mill or grinding oil after the final filtering, the recycled rolling or grinding oil to the device (M) side The third filtering means 40 for this purpose is similar to the configuration of the first filtering means 20 described above, the oil tank 41 and the oil tank 41 to be filled with the grinding oil or the oil tank 41 of the It includes a magnetic body 42 provided on the bottom surface and a scraper conveyor 43 for scraping out the waste iron powder magnetically separated by the magnetic body 42 to be discharged.

In addition to the above-described configuration, the third filtering means 40 includes a cooler 45 having a cooling coil 46 built therein so as to lower the temperature of the rolling or grinding oil filled in the oil tank 41. This cooler 45 is provided to cool the rolling or grinding oil to be supplied to the apparatus M side during the final filtering of the rolling or grinding oil, so that the supply of oil can be made quickly and smoothly. Not only can it be possible to provide a separate cooling device, it is possible to configure the device more compact.

The present invention is preferably provided to minimize the installation area by a compact configuration, as shown in Figs. 3 and 4, each of the first filtering means 20 and the third filtering means 40 The oil tanks 21 and 41 are partitioned by partition walls 60 and arranged in parallel to each other, and the second filtering means 30 is disposed on the upper ends of the first filtering means 20 and the third filtering means 40. It is.

At this time, the first filtering means 20 and the third filtering means 40 may be provided so as to be buried in the bottom surface of the installation place, by the arrangement of this configuration can not only minimize the installation area When the scraper conveyors 23 and 43 provided in the first filtering means 20 and the third filtering means 40 are driven, they may be driven by one driving means, thereby making the configuration simpler.

Reference numerals not described above indicate waste iron powder outlets 51 formed at one side of the upper end of the oil tank 41 of the third filtering means 40 and the oil tank 41 so as to correspond to the waste iron powder outlets 51. The waste iron conveyor 47 and the collection box 48 provided at one side of the outer side, and the other sign is an oil outlet 49 formed on one side of the oil tank 41 of the third filtering means 40 and this outlet ( 49 is shown on the tubing connected to 49 and extending to the apparatus M. FIG.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of.

Claims (4)

First filtering means (20) for firstly filtering the rolling or grinding oil containing the iron component discharged from the apparatus (M) including a rolling mill or a grinding machine;
The first filtering means 20, the first filtered rolling or grinding oil is introduced into the secondary filtering, the closed chamber consisting of an upper housing (31a) and a lower housing (31b) that can be mutually coupled to maintain the airtight ( 31 and second filtering means (30) including a filter roll (33) through which a part of the filter is installed between the upper housing (31a) and the lower housing (31b);
And a third filtering means (40) provided to finally supply the regenerated rolling or grinding oil to the apparatus (M) by filtering the secondary filtered rolling or grinding oil from the second filtering means (30). ;
The first and third filtering means (20, 40) are provided in the oil tank (21, 41) and the bottom surface of the oil tank (21, 41) provided so that rolling or grinding oil containing the iron component flows in And scraping the magnetic components 22 and 42 which are used to magnetically separate the iron components from the rolling or grinding oil, and the iron components which are embedded in the oil tanks 21 and 41 and separated by the magnetic bodies 22 and 42. Rolling and grinding oil filtering system, characterized in that it comprises a scraper conveyor (23,43) to be discharged.
The scraper conveyor (23, 43) is provided with a plurality of scrapers (24, 44) on the track, the scraper (24, 44) in the direction of travel of the scraper conveyor (23, 43) Rolling and grinding oil filtering system, characterized in that formed to be inclined rearward.
The cooler 45 of claim 1 or 2, wherein the third filtering means 40 includes a cooler 45 to lower the temperature of the rolling or grinding oil filled in the housing 41. Rolling and grinding oil filtering system.
According to claim 1 or 2, wherein the first filtering means (20) and the third filtering means (40) are the oil tanks (21, 41) are partitioned by partition walls (60) arranged in parallel;
The second filtering means (30) is a rolling and grinding oil filtering system, characterized in that arranged on top of the first filtering means (20) and the third filtering means (40).
KR1020110001928A 2011-01-07 2011-01-07 Filtering system of a rolling oil and cutting oil KR20120080451A (en)

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KR1020110001928A KR20120080451A (en) 2011-01-07 2011-01-07 Filtering system of a rolling oil and cutting oil

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Application Number Priority Date Filing Date Title
KR1020110001928A KR20120080451A (en) 2011-01-07 2011-01-07 Filtering system of a rolling oil and cutting oil

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KR20120080451A true KR20120080451A (en) 2012-07-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101669543B1 (en) * 2015-12-10 2016-10-26 (주)엔에스케이 엔지니어링 Skin pass oil recycling equipment
KR101958982B1 (en) * 2017-11-14 2019-03-15 주식회사포스코 Apparatus and method for purifying aqueous solution in steelworks
CN114949998A (en) * 2022-06-14 2022-08-30 江苏大学镇江流体工程装备技术研究院 Emulsion online preparation and cyclic regeneration complete equipment in steel rolling production process

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101669543B1 (en) * 2015-12-10 2016-10-26 (주)엔에스케이 엔지니어링 Skin pass oil recycling equipment
WO2017099330A1 (en) * 2015-12-10 2017-06-15 (주)엔에스케이 엔지니어링 Device for recycling skin pass rolling oil
KR101958982B1 (en) * 2017-11-14 2019-03-15 주식회사포스코 Apparatus and method for purifying aqueous solution in steelworks
WO2019098590A1 (en) * 2017-11-14 2019-05-23 주식회사 포스코 Apparatus and method for purifying waste water from steel mills
CN114949998A (en) * 2022-06-14 2022-08-30 江苏大学镇江流体工程装备技术研究院 Emulsion online preparation and cyclic regeneration complete equipment in steel rolling production process

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