CN210434122U - Device for collecting, purifying and recycling rolling oil mist of rolling mill - Google Patents
Device for collecting, purifying and recycling rolling oil mist of rolling mill Download PDFInfo
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- CN210434122U CN210434122U CN201921056576.4U CN201921056576U CN210434122U CN 210434122 U CN210434122 U CN 210434122U CN 201921056576 U CN201921056576 U CN 201921056576U CN 210434122 U CN210434122 U CN 210434122U
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Abstract
The utility model provides a device for collecting, purifying and recovering rolling oil mist of a rolling mill, which comprises a smoke exhaust fan communicated with the inside of the rolling mill, wherein the smoke exhaust fan is communicated with an inlet of an oil mist filtering device, the oil mist filtering device comprises a gas outlet and a rolling oil outlet, the gas outlet of the oil mist filtering device is communicated with the outside, the rolling oil outlet is communicated with a purifying tank internally provided with metal adsorbent particles, and a stirring device is arranged in the purifying tank; during operation, in the purifying tank: the rolling oil and the metal adsorbent particles are uniformly stirred and mixed, and are layered after standing, the upper layer is a rolling oil layer, the lower layer is a solid phase layer containing the metal adsorbent particles and iron mud, and the rolling oil layer in the purification tank is communicated with an oil consumption device of the rolling mill through a first liquid pump. The utility model discloses not only can collect rolling oil mist, can also adsorb the iron powder of adulteration in the oil mist and get rid of, the cyclic utilization of rolling oil in the oil mist just can be realized to the low cost, improves production efficiency.
Description
Technical Field
The utility model belongs to stainless steel cold rolling production line rolling mill equipment field, especially a collect the device that purifies the recovery to rolling oil mist of rolling mill.
Background
The rolling mill is used for rolling stainless steel strips in a stainless steel cold rolling production line. When an X-HIGH type rolling mill of a cold rolling plant rolls a stainless steel strip, rolling oil is usually adopted as lubricating liquid and cooling liquid, and is sprayed on the surface of the steel strip through a HIGH-pressure nozzle in the rolling process to generate a large amount of oil mist, and the HIGH temperature generated in the rolling process can increase the concentration of the oil mist in the rolling mill, so that the factory building is polluted due to the overflow of the oil mist, and meanwhile, a large amount of waste of the rolling oil can be caused. Chinese patent No. CN201410491Y discloses a rolling oil mist collecting and purifying device for a double-stand cold rolling mill, which collects rolling oil mist by arranging oil mist collecting covers at an inlet and an outlet of the cold rolling mill, separates the rolling oil mist by an oil mist separator to obtain rolling oil, and recycles the obtained rolling oil. Although the device can solve the problem of oil mist overflow, the residual iron powder in rolling oil and oil drops of the oil mist is difficult to remove, and the friction between a rolling mill and a steel strip in the rolling process of the rolling mill can generate a large amount of fine particle impurities such as iron powder, the impurities are doped in the oil mist to make the oil product worse and worse, in addition, in the prior art, special magnetic force scraping type oil tank cleaning equipment is mostly adopted to scrape the iron mud at the bottom of an oil collecting tank to be removed, the price of the whole set of equipment is more than million yuan and is very easy to damage, the input cost of the rolling process is high, and meanwhile, the production stop caused by the damage of the equipment also influences the production efficiency.
Disclosure of Invention
The utility model aims at providing a collect the device that purifies the recovery to rolling oil mist of rolling mill, the device not only can collect rolling oil mist, can also adsorb the iron powder of doping in the oil mist and get rid of, and low-cost just can realize the cyclic utilization of rolling oil in the oil mist, improves production efficiency.
A device for collecting, purifying and recovering rolling oil mist of a rolling mill comprises a smoke exhaust fan communicated with the inside of the rolling mill, the smoke exhaust fan is communicated with an inlet of an oil mist filtering device, the oil mist filtering device comprises a gas outlet and a rolling oil outlet, the gas outlet of the oil mist filtering device is communicated with the outside, the rolling oil outlet is communicated with a purifying tank filled with metal adsorbent particles, and a stirring device is arranged in the purifying tank; during operation, in the purifying tank: the rolling oil and the metal adsorbent particles are uniformly stirred and mixed, and are layered after standing, the upper layer is a rolling oil layer, the lower layer is a solid phase layer containing the metal adsorbent particles and iron mud, and the rolling oil layer in the purification tank is communicated with an oil consumption device of the rolling mill through a first liquid pump.
The utility model discloses a purification tank of metal adsorbent granule is equipped with in setting up for rolling oil that obtains through oil mist filter equipment filtration all can adsorb impurity such as iron powder in the rolling oil with metal adsorbent granule, form thick solid phase layer in the bottom of purification tank, and simultaneously, the upper oil reservoir becomes limpid, make impurity such as iron powder in the rolling oil significantly reduce, effectively improve the oil quality, the low cost just can realize the cyclic utilization of rolling oil in the oil mist, improves production efficiency.
Preferably, oil mist filter equipment is for the filter equipment who contains at least two-stage filter, every stage filter all contains oil and drips and holds back the filter screen, all filters communicate the setting in proper order, the filter screen aperture that the filter screen was held back to oil that drips along each filter of smog flow direction diminishes gradually, every filter all contains rolling oil export and gas outlet, the gas outlet of each stage filter except that last one-stage filter all communicates with the entry of the filter of back one-level, the gas outlet and the external world intercommunication of last one-level filter, the rolling oil export of each stage filter all communicates with the purifying tank, such structural design makes oil mist filter equipment be difficult to block up, and simultaneously, the rate of recovery of rolling oil is greatly improved. In the specific implementation process, the oil mist filtering device is a filtering device comprising a three-level filter, and the filter mesh diameters of oil drop intercepting filter meshes of the first, second and third-level filters are respectively 10 microns, 5 microns and 1 micron. After the three-stage filtration, the rolling oil in the pressed oil mist can be well removed, and the recovery rate of the rolling oil reaches over 95 percent.
Preferably, oil mist filter equipment's rolling oil export communicate with buffer tank, liquid control valve, purge tank in proper order, the utility model discloses an add buffer tank, liquid control valve between oil mist filter equipment and purge tank, play the purpose of the rolling oil mass in the control purge tank through the liquid control valve. In the specific implementation process, the buffer tank and the oil consumption device of the rolling mill are communicated through the second liquid pump, when equipment behind the buffer tank normally operates, the second liquid pump is closed, and when the equipment behind the buffer tank breaks down, the second liquid pump is opened, so that the normal oil consumption of the rolling mill is ensured, and the production stop is avoided.
Preferably, the bottom of the purification tank is provided with a discharge opening, the discharge opening is communicated with a filter press, the filter press comprises a liquid outlet, and the liquid outlet of the filter press is communicated with the inlet of the purification tank through a third liquid pump. The utility model discloses a rolling oil of pressure filter extrusion gets back to again and utilizes in the purifying tank.
Preferably, the utility model discloses a plurality of smoke exhaust fan, smoke exhaust fan set up along the rolling direction interval of rolling mill, and such structure can be collected fast to the oil mist in the rolling mill.
Preferably, the purification tank is filled with diatomite particles and clay particles, iron powder particle impurities larger than 5 microns can be filtered by the diatomite particles, and iron powder particle impurities smaller than 5 microns can be adsorbed by the clay particles, so that the optimal effect of removing iron powder is achieved.
Drawings
Fig. 1 is the structure schematic diagram of the device for collecting, purifying and recycling rolling oil mist of the rolling mill of the utility model.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1, a device for collecting, purifying and recovering rolling oil mist of a rolling mill comprises a smoke exhaust fan 20 communicated with the inside of the rolling mill 10, wherein the smoke exhaust fan 20 is further communicated with an inlet of an oil mist filter device 30, the oil mist filter device 30 comprises a gas outlet 312 and a rolling oil outlet 313, the gas outlet 312 of the oil mist filter device 30 is communicated with the outside, the rolling oil outlet 313 is communicated with a purification tank 40 filled with metal adsorbent particles 43, and a stirring device 41 is arranged in the purification tank 40; in operation, in the purification tank 40: the rolling oil and the metal adsorbent particles are uniformly stirred and mixed, and are layered after standing, wherein the upper layer is a rolling oil layer 42, the lower layer is a solid phase layer containing the metal adsorbent particles 43 and iron mud, and the rolling oil layer 42 in the purification tank 40 is communicated with an oil consumption device 11 of the rolling mill through a first liquid pump 50.
The utility model discloses a purification tank 40 of metal adsorbent granule is equipped with in the setting for rolling oil that obtains through the filtration of oil mist filter equipment 30 all can adsorb impurity such as iron powder in the rolling oil with the metal adsorbent granule, form thick solid phase layer in purification tank 40's bottom, and simultaneously, upper oil layer 42 becomes limpid, make impurity such as iron powder in the rolling oil significantly reduce, effectively improve the oil quality, the cyclic utilization of rolling oil in the oil mist just can be realized to the low cost, and the production efficiency is improved.
Preferably, as shown in fig. 1, the oil mist filtering device 30 is a filtering device including at least two filters 31, each filter 31 includes an oil drop intercepting filter 311, all the filters 31 are sequentially communicated, the filter mesh size of the oil drop intercepting filter of each filter 31 gradually decreases along the smoke flowing direction, each filter 31 includes a rolling oil outlet and a gas outlet, the gas outlet of each filter 31 except the last filter 31 is communicated with the inlet of the next filter 31, the gas outlet 312 of the last filter 31 is communicated with the outside, and the rolling oil outlet 313 of each filter 31 is communicated with the purifying tank 40. In a specific implementation process, the oil mist filtering device 30 is a filtering device including a third-stage filter 31, and the filter mesh diameters of the oil drop intercepting filter mesh 311 of the first, second, and third-stage filters 31 are 10 microns, 5 microns, and 1 micron, respectively. After the three-stage filtration, the rolling oil in the pressed oil mist can be well removed, and the recovery rate of the rolling oil reaches over 95 percent.
Preferably, as shown in fig. 1, the rolling oil outlet 313 of the oil mist filtering device 30 is sequentially communicated with the buffer tank 60, the liquid control valve 70 and the purification tank 40, and the buffer tank 60 and the liquid control valve 70 are additionally arranged between the oil mist filtering device 30 and the purification tank 40, so as to control the rolling oil amount in the purification tank 40 through the liquid control valve 70. In the specific implementation process, as shown in fig. 1, the buffer tank 60 is communicated with the oil consumption device 11 of the rolling mill through the second liquid pump 80, when the equipment behind the buffer tank 60 normally operates, the second liquid pump 80 is closed, and when the equipment behind the buffer tank 60 fails, the second liquid pump 60 is opened, so that the normal oil consumption of the rolling mill 10 is ensured, and the production stop is avoided. Of course, the rolling oil outlet 313 of the oil mist filter device 30 may be directly connected to the purge tank 40.
Preferably, as shown in fig. 1, the bottom of the purge tank 40 is provided with a discharge port 44, the discharge port 44 is communicated with a filter press 90, the filter press 90 comprises a liquid outlet 91, and the liquid outlet 91 of the filter press is communicated with the inlet of the purge tank 40 through a third liquid pump 100. The rolling oil pressed out by the filter press of the utility model is returned to the purifying tank 40 again for utilization.
Preferably, as shown in fig. 1, the present invention includes a plurality of smoke exhaust fans 20, the smoke exhaust fans 20 are disposed at intervals along the rolling direction of the rolling mill 10, and such a structure can rapidly collect the oil mist in the rolling mill 10.
Preferably, the purification tank 40 is filled with two kinds of metal adsorbent particles, namely diatomite particles and clay particles, so that iron powder particle impurities larger than 5 micrometers can be filtered by the diatomite particles, and iron powder particle impurities smaller than 5 micrometers can be adsorbed by the clay particles, thereby playing the best role of removing iron powder.
The utility model discloses an oil mist filter equipment 30 and filter 31 all adopt current, common filter screen formula's filtration equipment, for example: a filter screen 311 is arranged in the middle of the filter 31, the upper end of the filter 31 is an oil mist inlet, the lower end of the filter 31 is a gas outlet 312, a rolling oil outlet 313 is arranged on the side wall, and at the moment, the gas outlet 312 of the filter 31 is communicated with the outside through the fan 110; or the lower end of the filter 31 is an oil mist inlet, the upper end of the filter is a gas outlet, and the side wall of the filter is provided with a rolling oil outlet, at the moment, the gas outlet of the filter can be directly communicated with the outside. The respective flow directions can be formed by providing a height difference or a liquid pump between the rolling oil outlet 313 of the filter 31 and the buffer tank 60, between the buffer tank 60 and the purification tank 40, and between the purification tank 40 and the filter press 90. The press filter 90 places the press dried metal sorbent particulates at a fixed point of disposal.
Claims (8)
1. The utility model provides a device to rolling oil mist of rolling mill is collected and is purified recovery, includes the smoke exhaust fan who sets up with the inside intercommunication of rolling mill, and smoke exhaust fan communicates with oil mist filter's entry again, and oil mist filter contains gas outlet and rolling oil export, its characterized in that: the gas outlet of the oil mist filtering device is communicated with the outside, the rolling oil outlet is communicated with a purifying tank filled with metal adsorbent particles, and a stirring device is arranged in the purifying tank; during operation, in the purifying tank: the rolling oil and the metal adsorbent particles are uniformly stirred and mixed, and are layered after standing, the upper layer is a rolling oil layer, the lower layer is a solid phase layer containing the metal adsorbent particles and iron mud, and the rolling oil layer in the purification tank is communicated with an oil consumption device of the rolling mill through a first liquid pump.
2. The device for collecting, purifying and recovering rolling oil mist of the rolling mill as claimed in claim 1, wherein: the oil mist filter device is the filter equipment who contains at least two-stage filter, every level of filter all contains oil and drips and holds back the filter screen, all filters communicate the setting in proper order, the filter screen aperture that the filter screen was held back to oil dripping along each filter of smog flow direction diminishes gradually, every filter all contains rolling oil export and gas outlet, the gas outlet of each level of filter except last level of filter all communicates with the entry of the filter of back one-level, the gas outlet and the external world of last level of filter communicate, the rolling oil export of each level of filter all communicates with the purifying tank.
3. The device for collecting, purifying and recovering rolling mill oil mist of the rolling mill as claimed in claim 2, wherein: the oil mist filtering device is a filtering device comprising a three-level filter, and the filter mesh diameters of oil drop intercepting filter meshes of the first, second and third-level filters are respectively 10 microns, 5 microns and 1 micron.
4. The device for collecting, purifying and recovering rolling oil mist of the rolling mill as claimed in claim 1, wherein: and a rolling oil outlet of the oil mist filtering device is sequentially communicated with the buffer tank, the liquid control valve and the purification tank.
5. The device for collecting, purifying and recovering rolling mill oil mist of the rolling mill as claimed in claim 4, wherein: the buffer tank is communicated with the oil consumption device of the rolling mill through the second liquid pump, when equipment behind the buffer tank normally operates, the second liquid pump is closed, and when the equipment behind the buffer tank breaks down, the second liquid pump is opened.
6. The device for collecting, purifying and recovering rolling oil mist of the rolling mill as claimed in claim 1, wherein: the bottom of the purifying tank is provided with a discharge opening which is communicated with a filter press, the filter press comprises a liquid outlet, and the liquid outlet of the filter press is communicated with the inlet of the purifying tank through a third liquid pump.
7. The device for collecting, purifying and recovering rolling oil mist of the rolling mill as claimed in claim 1, wherein: the rolling mill comprises a plurality of smoke exhaust fans which are arranged at intervals along the rolling direction of the rolling mill.
8. The device for collecting, purifying and recovering rolling oil mist of the rolling mill as claimed in claim 1, wherein: and the purification tank is internally filled with two metal adsorbent particles, namely diatomite particles and clay particles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921056576.4U CN210434122U (en) | 2019-07-08 | 2019-07-08 | Device for collecting, purifying and recycling rolling oil mist of rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921056576.4U CN210434122U (en) | 2019-07-08 | 2019-07-08 | Device for collecting, purifying and recycling rolling oil mist of rolling mill |
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| CN210434122U true CN210434122U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921056576.4U Active CN210434122U (en) | 2019-07-08 | 2019-07-08 | Device for collecting, purifying and recycling rolling oil mist of rolling mill |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113201393A (en) * | 2021-05-31 | 2021-08-03 | 内蒙古联晟新能源材料有限公司 | Environment-friendly pollution-free aluminum coil rolling oil recovery system |
| CN114797355A (en) * | 2022-05-07 | 2022-07-29 | 武汉钢铁有限公司 | Cold rolling five-stand rolling mill oil mist treatment system |
-
2019
- 2019-07-08 CN CN201921056576.4U patent/CN210434122U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113201393A (en) * | 2021-05-31 | 2021-08-03 | 内蒙古联晟新能源材料有限公司 | Environment-friendly pollution-free aluminum coil rolling oil recovery system |
| CN114797355A (en) * | 2022-05-07 | 2022-07-29 | 武汉钢铁有限公司 | Cold rolling five-stand rolling mill oil mist treatment system |
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