CN107648927A - Metal grinding fluid ultra-filtration system and its method - Google Patents
Metal grinding fluid ultra-filtration system and its method Download PDFInfo
- Publication number
- CN107648927A CN107648927A CN201710915131.6A CN201710915131A CN107648927A CN 107648927 A CN107648927 A CN 107648927A CN 201710915131 A CN201710915131 A CN 201710915131A CN 107648927 A CN107648927 A CN 107648927A
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- filter
- grinding fluid
- accurate filter
- metal grinding
- accurate
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- 239000002184 metal Substances 0.000 title claims abstract description 121
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 121
- 239000012530 fluid Substances 0.000 title claims abstract description 110
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 118
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000007789 gas Substances 0.000 claims description 75
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 45
- 229910052799 carbon Inorganic materials 0.000 claims description 41
- 239000012535 impurity Substances 0.000 claims description 40
- 239000004744 fabric Substances 0.000 claims description 35
- 238000007599 discharging Methods 0.000 claims description 26
- 239000002245 particle Substances 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 description 14
- 230000007423 decrease Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- -1 exhaust tank Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0066—Use of electrical and magnetical means
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
A kind of metal grinding fluid ultra-filtration system, for filtering metal grinding fluid, metal grinding fluid ultra-filtration system includes water tank, magnetic filter, water pump, first accurate filter, second accurate filter, 3rd accurate filter and filter pipeline, water tank, magnetic filter, water pump, first accurate filter, second accurate filter and the 3rd accurate filter are sequentially connected in series by filter pipeline, the filtering accuracy of second accurate filter and the 3rd accurate filter is more than the filtering accuracy of the first accurate filter, the filtering accuracy of first accurate filter is more than or equal to 1um.The metal grinding fluid ultra-filtration system of the present invention uses physical filtering, and the metal grinding fluid after filtering will not change chemical property, can not only extend the service life of metal grinding fluid, reduces entreprise cost, moreover it is possible to discharge is reduced, it is environmentally friendly.The invention further relates to a kind of metal grinding fluid precision filtering method.
Description
Technical field
The present invention relates to metal grinding fluid Remanufacture technical field, more particularly to a kind of metal grinding fluid secondary filter system
System and its method.
Background technology
Metal grinding fluid has good cleaning permeance property, and instrument grinding tool can be prevented to be passivated, and has well to grinding tool
Sharping by oneself affect, the cutting force of instrument is improved, extend the service life of instrument, shorten the single work pieces process time.Moreover, metal is ground
Cutting liquid also has prominent greasy property, hence it is evident that noise caused by reducing cutting workpiece, pyrophoric behavio(u)r when avoiding workpieces processing,
Reduce the appearance of grinding cut, hence it is evident that improve the surface quality of workpieces processing, increase substantially the finish of workpiece.In addition, can
Effectively suppress various factors to endanger the corrosivity of glass, good non-foam performance, splendid chip sedimentation function, good
Rustless property, moderate performance, it is not easy to make lathe peeling paint.Therefore, metal grinding fluid be mainly used in steel rolling, machine tooling,
The large and medium-sized enterprise such as glass.
But due to that can deposit increasing impurity during metal grinding fluid long-term use, wherein impurity includes gold
Belong to powder, colloidal suspensions, sandstone etc., due to increasing for impurity, the using effect and performance for making metal grinding fluid drastically decline.
In traditional metal grinding fluid filter type, filtering accuracy is mostly all at tens microns to several millimeters, and traditional filtering mode
Need to use a large amount of consumptive materials, use cost is high.After metal grinding fluid is recycled for a long time, the minute impurities particle diameter of deposition can
One micron can be less than, traditional filtering mode more has no idea to filter minute impurities, so these metal grinding fluids can only be returned
Receive emission treatment.And metal grinding fluid not only price, and use cost is very high, pollute the environment.
The content of the invention
It is an object of the present invention to provide a kind of metal grinding fluid ultra-filtration system, using physical filtering, after filtering
Metal grinding fluid will not change chemical property, can not only extend the service life of metal grinding fluid, reduce entreprise cost, also
Discharge can be reduced, it is environmentally friendly.
The present invention, which solves its technical problem, to be realized using following technical scheme.
A kind of metal grinding fluid ultra-filtration system, for filtering metal grinding fluid, metal grinding fluid ultra-filtration system
Including water tank, magnetic filter, water pump, the first accurate filter, the second accurate filter, the 3rd accurate filter and screen pipe
Road, water tank, magnetic filter, water pump, the first accurate filter, the second accurate filter and the 3rd accurate filter pass through filtering
Pipeline is sequentially connected in series, and the filtering accuracy of the second accurate filter and the 3rd accurate filter is more than the first accurate filter
Filtering accuracy, the filtering accuracy of the first accurate filter are more than or equal to 1um.
In the preferred embodiment, above-mentioned first accurate filter is the suction that filtering accuracy is more than or equal to 1um
Oily filter bag type filter；Second accurate filter is the accurate filter that filtering accuracy is more than or equal to 0.3um；3rd secondary filter
Device is the accurate filter that filtering accuracy is more than or equal to 0.1um.
In the preferred embodiment, above-mentioned metal grinding fluid ultra-filtration system also includes coarse filter, thick mistake
Filter is connected on the filter pipeline between magnetic filter and water pump, and coarse filter is that filtering accuracy is more than or equal to 2mm
Filtering cartridge filter.
In the preferred embodiment, above-mentioned metal grinding fluid ultra-filtration system also includes the first source of the gas, second
Source of the gas, exhaust tank, cloth envelop collector, the first discharge opeing air inlet pipe, the first recoil air inlet pipe, the first discharging tube and the first scum pipe,
First discharge opeing air inlet pipe is connected between the first source of the gas and the second accurate filter, and the first recoil air inlet pipe is connected to the second source of the gas
Between the second accurate filter, the first discharging tube is connected between the second accurate filter and exhaust tank, exhaust tank and water tank
Connection, the first scum pipe are connected between the second accurate filter and cloth envelop collector.
In the preferred embodiment, above-mentioned metal grinding fluid ultra-filtration system also includes the second discharge opeing air inlet
Pipe, the second recoil air inlet pipe, the second discharging tube and the second scum pipe, the second discharge opeing air inlet pipe are connected to the first source of the gas and the 3rd essence
Between close filter, the second recoil air inlet pipe is connected between the second source of the gas and the 3rd accurate filter, the connection of the second discharging tube
Between the 3rd accurate filter and exhaust tank, exhaust tank connects with the water tank, and the second scum pipe is connected to the 3rd secondary filter
Between device and cloth envelop collector.
In the preferred embodiment, above-mentioned metal grinding fluid ultra-filtration system also includes carbon filter, carbon mistake
Filter is connected on the filter pipeline between the first accurate filter and the second accurate filter.
In the preferred embodiment, above-mentioned metal grinding fluid ultra-filtration system also includes the 3rd discharge opeing air inlet
Pipe, the 3rd recoil air inlet pipe, the 3rd discharging tube and the 3rd scum pipe, the 3rd discharge opeing air inlet pipe are connected to the first source of the gas and filtered with carbon
Between device, the 3rd recoil air inlet pipe be connected between the second source of the gas and carbon filter, the 3rd discharging tube be connected to carbon filter with
Between exhaust tank, exhaust tank is connected with water tank, and the 3rd scum pipe is connected between carbon filter and cloth envelop collector.
In the preferred embodiment, above-mentioned filter pipeline, the first discharge opeing air inlet pipe, the first recoil air inlet pipe, the
One discharging tube and the first scum pipe are provided with multiple ball valves, and metal grinding fluid ultra-filtration system also includes control filtration system work
The control device of work, control device are electrically connected with respectively at water pump and each ball valve.
Another object of the present invention is to, there is provided a kind of metal grinding fluid precision filtering method, using physical filtering, mistake
Metal grinding fluid after filter will not change chemical property, can extend the service life of metal grinding fluid, reduce entreprise cost, also
Discharge can be reduced, it is environmentally friendly.
A kind of metal grinding fluid precision filtering method, the metal grinding fluid precision filtering method utilize above-mentioned metal removal
Liquid ultra-filtration system, include the step of the metal grinding fluid precision filtering method：
Start water pump, metal grinding fluid is flowed in filter pipeline；
Iron powder and large granular impurity are filtered using magnetic filter；
It is less than or equal to 1um impurity using the first accurate filter filtering particle diameter；
Using the second accurate filter and the 3rd accurate filter filtering minute impurities, the second accurate filter and the 3rd essence
The filtering accuracy of close filter is more than the filtering accuracy of the first accurate filter..
In the preferred embodiment, the step of being backwashed to above-mentioned second accurate filter also includes：
Low-pressure gas is provided for the second accurate filter using the first source of the gas, by the metal removal in the second accurate filter
Liquid is discharged into water tank；And
Gases at high pressure are provided for the second accurate filter using the second source of the gas, the filter residue on the second accurate filter is rushed
Under, and filter residue is discharged into cloth envelop collector.
The metal grinding fluid ultra-filtration system of the present invention is used for filtering metal grinding fluid, water tank, magnetic filter, water
Pump, the first accurate filter, the second accurate filter and the 3rd accurate filter are sequentially connected in series by filter pipeline, and the 3rd
The filtering accuracy of accurate filter is more than the filtering accuracy of the second accurate filter, and the filtering accuracy of the second accurate filter is more than
The filtering accuracy of first accurate filter.The metal grinding fluid ultra-filtration system of the present invention uses physical filtering, after filtering
Metal grinding fluid will not change chemical property, can not only extend the service life of metal grinding fluid, reduce entreprise cost, moreover it is possible to
Discharge is reduced, it is environmentally friendly.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail.
Brief description of the drawings
Fig. 1 is the structural representation of the metal grinding fluid ultra-filtration system of the present invention.
Fig. 2 is the schematic flow sheet of the metal grinding fluid precision filtering method of the present invention.
Fig. 3 is that the flow that the metal grinding fluid precision filtering method of the present invention is backwashed to the second accurate filter is shown
It is intended to.
Fig. 4 is that the flow that the metal grinding fluid precision filtering method of the present invention is backwashed to the 3rd accurate filter is shown
It is intended to.
Fig. 5 is the schematic flow sheet that the metal grinding fluid precision filtering method of the present invention is backwashed to carbon filter.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to according to metal grinding fluid ultra-filtration system proposed by the present invention and metal grinding fluid secondary filter
Embodiment, structure, feature and its effect of method, describe in detail as follows:
For the present invention foregoing and other technology contents, feature and effects, in the following preferable reality coordinated with reference to schema
Applying in the detailed description of example to clearly appear from.By the explanation of embodiment, when predetermined mesh can be reached to the present invention
The technological means taken and effect be able to more deeply and it is specific understand, but institute's accompanying drawings are only to provide with reference to saying
It is bright to be used, not it is used for being any limitation as the present invention.
Fig. 1 is the structural representation of the metal grinding fluid ultra-filtration system of the present invention.As shown in figure 1, metal grinding fluid
It is accurate that ultra-filtration system 100 includes water tank 11, magnetic filter 12, coarse filter 13, water pump 14, carbon filter 15, first
Filter 16a, the second accurate filter 16b, the 3rd accurate filter 16c, the first source of the gas 17a, the second source of the gas 17b, exhaust tank
18th, cloth envelop collector 19, control device (not shown), filter pipeline 21, the first discharge opeing air inlet pipe 22a, the second discharge opeing air inlet pipe
22b, the 3rd discharge opeing air inlet pipe 22c, the first recoil air inlet pipe 23a, the second recoil air inlet pipe 23b, the 3rd recoil air inlet pipe 23c,
First discharging tube 24a, the second discharging tube 24b, the 3rd discharging tube 24c, the first scum pipe 25a, the second scum pipe 25b and the 3rd row
Slag pipe 25c.
Water tank 11, magnetic filter 12, coarse filter 13, water pump 14, the first accurate filter 16a, carbon filter 15,
Two accurate filter 16b and the 3rd accurate filter 16c are sequentially connected in series by filter pipeline 21, that is to say, that water tank 11
In metal grinding fluid can pass through successively magnetic filter 12, coarse filter 13, the first accurate filter 16a, carbon filter 15,
Returned to after second accurate filter 16b and the 3rd accurate filter 16c filterings in water tank 11.Wherein, the second accurate filter 16b
It is more than the first accurate filter 16a filtering accuracy with the 3rd accurate filter 16c filtering accuracy, that is to say, that the second essence
Close filter 16b and the 3rd accurate filter 16c can filter the smaller impurity of particle diameter than the first accurate filter 16a, it is preferable that
3rd accurate filter 16c filtering accuracy is more than the second accurate filter 16b filtering accuracy, the second accurate filter 16b
Filtering accuracy be more than the first accurate filter 16a filtering accuracy, i.e., the 3rd accurate filter 16c is to the second accurate filter
16b can filter the smaller impurity of particle diameter, and it is smaller that the second accurate filter 16b can filter particle diameter to the first accurate filter 16a
Impurity.In the present embodiment, filter pipeline 21 is provided with multiple ball valves, the quantity of ball valve can according to being actually needed free increase and decrease,
Preferably, the filter pipeline 21 between the first accurate filter 16a and carbon filter 15 is provided with the first ball valve；Carbon filter 15
Filter pipeline 21 between the second accurate filter 16b is provided with the second ball valve；Second accurate filter 16b and the 3rd is accurate
Filter pipeline 21 between filter 16c is provided with the 3rd ball valve；Screen pipe between 3rd accurate filter 16c and water tank 11
Road 21 is provided with the 4th ball valve.
Specifically, magnetic filter 12 can sop up iron powder, filter large granular impurity, and water pump 14 can be protected not to be blocked and damaged
It is bad.
Coarse filter 13 is the filtering cartridge filter that filtering accuracy is more than or equal to 2mm, when the filtering accuracy of coarse filter 13
For 2mm when, i.e., coarse filter 13 can filter out particle diameter be more than or equal to 2mm impurity, can protect water pump 14 be blocked damage
It is bad.
The output flow of water pump 14 is 1.5 ton hours, and water pump 14 flows for providing metal grinding fluid in filter pipeline 21
Dynamic power.In the present embodiment, water return pipeline 26 is connected with the water inlet end of water pump 14 and the filter pipeline of water side 21, returned
Water lines 26 are provided with manual ball valve, when the pressure in filter pipeline 21 is excessive, can open manual ball valve, reduce filter pipeline
Pressure in 21.
First accurate filter 16a is the oil suction filtering bag filter that filtering accuracy is more than or equal to 1um filtering accuracies, when the
When one accurate filter 16a filtering accuracy is 1um, i.e. the first accurate filter 16a can filter out particle diameter and be more than or equal to 1mm
Impurity, while the greasy dirt that the first accurate filter 16a can also be in adsorbing metal grinding fluid.
Carbon filter 15 is filtered using activated carbon, there is many carbon-points in carbon filter 15, in adsorbable metal grinding fluid
Minute impurities, it can especially filter out colored impurity in metal grinding fluid.
Second accurate filter 16b is the accurate filter that filtering accuracy is more than or equal to 0.3um, when the second secondary filter
When device 16b filtering accuracy is 0.3um, i.e. it is miscellaneous more than or equal to 0.3um that the second accurate filter 16b can filter out particle diameter
Matter.
3rd accurate filter 16c is the accurate filter that filtering accuracy is more than or equal to 0.1um, when the 3rd secondary filter
When device 16c filtering accuracy is 0.1um, i.e. it is miscellaneous more than or equal to 0.1um that the 3rd accurate filter 16c can filter out particle diameter
Matter, the impurity in metal grinding fluid is set thoroughly to be removed, the metal removal liquid energy after filtering reaches or close to new metal removal
The cleanliness factor of liquid, allows it to continue normal use.Because using physical filtering, the metal grinding fluid after filtering will not change
Property is learned, can not only extend the service life of metal grinding fluid, reduces entreprise cost, moreover it is possible to discharge is reduced, it is environmentally friendly.
Control device respectively with water pump 14, ball valve be electrically connected with, control device can control the unlatching of water pump 14 and ball valve with
Close, realize that the metal grinding fluid ultra-filtration system 100 of the present invention carries out automatic fitration.In the present embodiment, control device
Intelligent control to metal grinding fluid ultra-filtration system 100 is realized using PLC control system, but is not limited thereto.
In the present embodiment, after a period of time is filtered, the second accurate filter 16b, the 3rd accurate filter 16c and carbon
The filter core of filter 15 can adhere to increasing impurity, when impurity more to a certain extent after need automatic backflushing deslagging.
Specifically, the first discharge opeing air inlet pipe 22a is connected between the first source of the gas 17a and the second accurate filter 16b, and first
Recoil air inlet pipe 23a is connected between the second source of the gas 17b and the second accurate filter 16b, and the first discharging tube 24a is connected to second
Between accurate filter 16b and exhaust tank 18, exhaust tank 18 connects with water tank 11, and it is accurate that the first scum pipe 25a is connected to second
Between filter 16b and cloth envelop collector 19.In the present embodiment, the liquid that cloth envelop collector 19 filters can enter water tank 11
In, or be discharged into foul water tank 11, can unrestricted choice according to being actually needed.
Set on first discharge opeing air inlet pipe 22a, the first recoil air inlet pipe 23a, the first discharging tube 24a and the first scum pipe 25a
There are multiple ball valves, the quantity of ball valve can be according to being actually needed free increase and decrease, it is preferable that the first discharge opeing air inlet pipe 22a is provided with the
One pressure sensor 27a and the 5th ball valve；First recoil air inlet pipe 23a is provided with the 6th ball valve；First discharging tube 24a is provided with
7th ball valve；First scum pipe 25a is provided with the 8th ball valve.In the present embodiment, control device senses with first pressure respectively
Device 27a and each ball valve are electrically connected with, when first pressure sensor 27a senses that the pressure in the second accurate filter 16b is more than
During setting value, control device control water pump 14 is stopped, and closes the second ball valve and the 3rd ball valve, opens the 5th ball valve and the 7th
Ball valve, while start the first source of the gas 17a, the first source of the gas 17a and export low-pressure air by the metal mill in the second accurate filter 16b
Liquid is cut to be discharged into water tank 11；The first source of the gas 17a, the 5th ball valve and the 7th ball valve are then shut off, opens the 6th ball valve and the 8th ball
Valve, while start the second source of the gas 17b, the second source of the gas 17b exports pressure-air will be miscellaneous on filter core in the second accurate filter 16b
Matter is sprung back in cloth envelop collector 19.It is noted that when the pressure in cloth envelop collector 19 is more than setting value, it is necessary to temporarily
Stop filtration system, deslagging is carried out to cloth envelop collector 19 manually, and clean filter bag or change filter bag.
Further, turbulent structure is provided with exhaust tank 18, declines air velocity, will not by the air of air filtering core
Workshop air is polluted, contained soiling solution moisture is discharged to downwards in water tank 11 by cyclonic separation in gas.
The filtering accuracy of cloth envelop collector 19 is more than or equal to 1mm, when the filtering accuracy of cloth envelop collector 19 is 1mm,
I.e. cloth envelop collector 19 can filter out the impurity that particle diameter is more than or equal to 1mm.
Second discharge opeing air inlet pipe 22b is connected between the first source of the gas 17a and the 3rd accurate filter 16c, second recoil into
Tracheae 23b is connected between the second source of the gas 17b and the 3rd accurate filter 16c, and the second discharging tube 24b is connected to the 3rd accurate mistake
Between filter 16c and exhaust tank 18, the second scum pipe 25b is connected between the 3rd accurate filter 16c and cloth envelop collector 19.
In the present embodiment, the liquid that cloth envelop collector 19 filters can enter in water tank 11, or be discharged into foul water tank 11, according to reality
Needing can unrestricted choice.
Set on second discharge opeing air inlet pipe 22b, the second recoil air inlet pipe 23b, the second discharging tube 24b and the second scum pipe 25b
There are multiple ball valves, the quantity of ball valve can be according to being actually needed free increase and decrease, it is preferable that the second discharge opeing air inlet pipe 22b is provided with the
Two pressure sensor 27b and the 9th ball valve；Second recoil air inlet pipe 23b is provided with the tenth ball valve；Second discharging tube 24b is provided with
11st ball valve；Second scum pipe 25b is provided with the 12nd ball valve.In the present embodiment, control device respectively with second pressure
Sensor 27b and each ball valve are electrically connected with, and the pressure in the 3rd accurate filter 16c is sensed as second pressure sensor 27b
During more than setting value, control device control water pump 14 is stopped, and closes the 3rd ball valve and the 4th ball valve, open the 9th ball valve and
11st ball valve, while start the first source of the gas 17a, the first source of the gas 17a and export low-pressure air by the 3rd accurate filter 16c
Metal grinding fluid is discharged into water tank 11；The first source of the gas 17a, the 9th ball valve and the 11st ball valve are then shut off, opens the tenth ball valve
With the 12nd ball valve, while start the second source of the gas 17b, the second source of the gas 17b exports pressure-air by the 3rd accurate filter 16c
Impurity on filter core is sprung back in cloth envelop collector 19.It is noted that when the pressure in cloth envelop collector 19 is more than setting
, it is necessary to suspend filtration system during value, deslagging is carried out to cloth envelop collector 19 manually, and cleans filter bag or changes filter bag.
3rd discharge opeing air inlet pipe 22c is connected between the first source of the gas 17a and carbon filter 15, the 3rd recoil air inlet pipe 23c
Be connected between the second source of the gas 17b and carbon filter 15, the 3rd discharging tube 24c be connected to carbon filter 15 and exhaust tank 18 it
Between, the 3rd scum pipe 25c is connected between carbon filter 15 and cloth envelop collector 19.In the present embodiment, cloth envelop collector 19
The liquid of filtering can enter in water tank 11, or be discharged into foul water tank 11, can unrestricted choice according to being actually needed.
Set on 3rd discharge opeing air inlet pipe 22c, the 3rd recoil air inlet pipe 23c, the 3rd discharging tube 24c and the 3rd scum pipe 25c
There are multiple ball valves, the quantity of ball valve can be according to being actually needed free increase and decrease, it is preferable that the 3rd discharge opeing air inlet pipe 22c is provided with the
Three pressure sensor 27c and the 13rd ball valve；3rd recoil air inlet pipe 23c is provided with the 14th ball valve；On 3rd discharging tube 24c
Provided with the 15th ball valve；3rd scum pipe 25c is provided with the 16th ball valve.In the present embodiment, control device is respectively with the 3rd
Pressure sensor 27c and each ball valve are electrically connected with, when the 3rd pressure sensor 27c senses that the pressure in carbon filter 15 is more than
During setting value, control device control water pump 14 is stopped, and closes the first ball valve and the second ball valve, opens the 13rd ball valve and the
15 ball valves, while start the first source of the gas 17a, the first source of the gas 17a and export low-pressure air by the metal removal in carbon filter 15
Liquid is discharged into water tank 11；It is then shut off the first source of the gas 17a, the 13rd ball valve and the 15th ball valve, opens the 14th ball valve and the
16 ball valves, while start the second source of the gas 17b, the second source of the gas 17b exports pressure-air will be miscellaneous on filter core in carbon filter 15
Matter is sprung back in cloth envelop collector 19.It is noted that when the pressure in cloth envelop collector 19 is more than setting value, it is necessary to temporarily
Stop filtration system, deslagging is carried out to cloth envelop collector 19 manually, and clean filter bag or change filter bag.
In the present embodiment, the first accurate filter 16a, the carbon of metal grinding fluid ultra-filtration system 100 of the invention
Filter 15, the second accurate filter 16b and the 3rd accurate filter 16c are provided with the pressure gauge for being used for sensing pressure size.
Set on pipeline between first scum pipe 25a, the second scum pipe 25b and the 3rd scum pipe 25c and exhaust tank 18 and water tank 11
There is hand-operated valve, for manual drainage.
Fig. 2 is the schematic flow sheet of the metal grinding fluid precision filtering method of the present invention.As depicted in figs. 1 and 2, it is of the invention
Metal grinding fluid precision filtering method utilize above-mentioned metal grinding fluid ultra-filtration system 100, the metal grinding fluid is accurate
The step of filter method, includes：
Step S1, start water pump 14, metal grinding fluid is flowed in filter pipeline 21.
Step S2, iron powder and large granular impurity are filtered using magnetic filter 12.
Specifically, iron powder is sopped up using magnetic filter 12, filters large granular impurity, to protect water pump 14 not to be blocked
Damage.
Step S3, impurity of the particle diameter more than or equal to 2mm is filtered using coarse filter 13.
Specifically, coarse filter 13 is the filtering cartridge filter that filtering accuracy is more than or equal to 2mm, when the mistake of coarse filter 13
Precision is filtered when be 2mm, impurity of the particle diameter more than or equal to 2mm is filtered out using coarse filter 13, to protect water pump 14 not by
Block damage.
Step S4,1um impurity is less than or equal to using the first accurate filter 16a filtering particle diameters.
Specifically, the first accurate filter 16a is the oil suction filtering bag filter that filtering accuracy is more than or equal to 1um, when the
When one accurate filter 16a filtering accuracy is 1um, filters out particle diameter using the first accurate filter 16a and be more than or equal to 1mm
Impurity, while utilize the greasy dirt in the first accurate filter 16a adsorbing metal grinding fluids.
Step S5, minute impurities and colored impurity are adsorbed using carbon filter 15.
Specifically, carbon filter 15 is filtered using activated carbon, is had many carbon-points in carbon filter 15, is utilized carbon filter 15
Minute impurities in adsorbing metal grinding fluid, it can especially filter out colored impurity in metal grinding fluid.
Step S6, minute impurities are filtered using the second accurate filter 16b and the 3rd accurate filter 16c, second is accurate
Filter 16b and the 3rd accurate filter 16c filtering accuracy are more than the first accurate filter 16a filtering accuracy.
Specifically, the second accurate filter 16b is the accurate filter that filtering accuracy is more than or equal to 0.3um, when second
When accurate filter 16b filtering accuracy is 0.3um, filters out particle diameter using the second accurate filter 16b and be more than or equal to
0.3um impurity.
3rd accurate filter 16c is the accurate filter that filtering accuracy is more than or equal to 0.1um, when the 3rd secondary filter
When device 16c filtering accuracy is 0.1um, it is miscellaneous more than or equal to 0.1um to filter out particle diameter using the 3rd accurate filter 16c
Matter, the impurity in metal grinding fluid is set thoroughly to be removed, the metal removal liquid energy after filtering reaches or close to new metal removal
The cleanliness factor of liquid, allows it to continue normal use.In the present embodiment, because using physical filtering, the metal after filtering is ground
Chemical property will not be changed by cutting liquid, can not only extend the service life of metal grinding fluid, reduce entreprise cost, moreover it is possible to the row of reduction
Put, it is environmentally friendly.
Fig. 3 is that the flow that the metal grinding fluid precision filtering method of the present invention is backwashed to the second accurate filter is shown
It is intended to.As shown in figure 3, the step of being backwashed to the second accurate filter 16b includes：
Step N1, low-pressure gas is provided for the second accurate filter 16b using the first source of the gas 17a, by the second secondary filter
Metal grinding fluid in device 16b is discharged into water tank 11.
Specifically, it is stopped using control device control water pump 14, closes the second ball valve and the 3rd ball valve, open the 5th
Ball valve and the 7th ball valve, while start the first source of the gas 17a, the first source of the gas 17a and export low-pressure air by the second accurate filter 16b
In metal grinding fluid be discharged into water tank 11；
Step N2, gases at high pressure are provided for the second accurate filter 16b using the second source of the gas 17b, by the second secondary filter
Filter residue on device 16b is swept away, and filter residue is discharged into cloth envelop collector 19.
Specifically, controlled using control device and close the first source of the gas 17a, the 5th ball valve and the 7th ball valve, open the 6th ball
Valve and the 8th ball valve, while start the second source of the gas 17b, the second source of the gas 17b and export pressure-air by the second accurate filter 16b
Impurity on filter core is sprung back in cloth envelop collector 19.
Fig. 4 is that the flow that the metal grinding fluid precision filtering method of the present invention is backwashed to the 3rd accurate filter is shown
It is intended to.As shown in figure 4, the step of being backwashed to the 3rd accurate filter 16c includes：
Step M1, low-pressure gas is provided for the 3rd accurate filter 16c using the first source of the gas 17a, by the 3rd secondary filter
Metal grinding fluid in device 16c is discharged into water tank 11
Specifically, it is stopped using control device control water pump 14, closes the 3rd ball valve and the 4th ball valve, open the 9th
Ball valve and the 11st ball valve, while start the first source of the gas 17a, the first source of the gas 17a and export low-pressure air by the 3rd accurate filter
Metal grinding fluid in 16c is discharged into water tank 11.
Step M2, gases at high pressure are provided for the 3rd accurate filter 16c using the second source of the gas 17b, by the 3rd secondary filter
Filter residue on device 16c is swept away, and filter residue is discharged into cloth envelop collector 19.
Specifically, controlled using control device and close the first source of the gas 17a, the 9th ball valve and the 11st ball valve, open the tenth
Ball valve and the 12nd ball valve, while start the second source of the gas 17b, the second source of the gas 17b and export pressure-air by the 3rd accurate filter
Impurity in 16c on filter core is sprung back in cloth envelop collector 19.
Fig. 5 is the schematic flow sheet that the metal grinding fluid precision filtering method of the present invention is backwashed to carbon filter.
As shown in figure 5, the step of being backwashed to carbon filter 15 includes：
Step K1, it is that carbon filter 15 provides low-pressure gas using the first source of the gas 17a, the metal in carbon filter 15 is ground
Liquid is cut to be discharged into water tank 11.
Specifically, it is stopped using control device control water pump 14, closes the first ball valve and the second ball valve, open the tenth
Three ball valves and the 15th ball valve, while start the first source of the gas 17a, the first source of the gas 17a and export low-pressure air by carbon filter 15
Metal grinding fluid be discharged into water tank 11.
Step K2, it is that carbon filter 15 provides gases at high pressure using the second source of the gas 17b, the filter residue on carbon filter 15 is rushed
Under, and filter residue is discharged into cloth envelop collector 19.
Specifically, controlled using control device and close the first source of the gas 17a, the 13rd ball valve and the 15th ball valve, open the
14 ball valves and the 16th ball valve, while start the second source of the gas 17b, the second source of the gas 17b and export pressure-air by carbon filter 15
Impurity on middle filter core is sprung back in cloth envelop collector 19.
The metal grinding fluid ultra-filtration system 100 of the present invention is used for filtering metal grinding fluid, water tank 11, magnetic filter
12nd, water pump 14, the first accurate filter 16a, the second accurate filter 16b and the 3rd accurate filter 16c pass through filter pipeline
21 are sequentially connected in series, and the second accurate filter 16b and the 3rd accurate filter 16c filtering accuracy are more than the first secondary filter
Device 16a filtering accuracy, the first accurate filter 16a filtering accuracy are more than or equal to 1um.The metal grinding fluid essence of the present invention
Close filtration system 100 uses physical filtering, and the metal grinding fluid after filtering will not change chemical property, can not only extend metal
The service life of grinding fluid, reduce entreprise cost, moreover it is possible to discharge is reduced, it is environmentally friendly.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but the present invention is not limited to above-mentioned implementation
Detail in mode, in the range of the technology design of the present invention, technical scheme can be carried out a variety of simple
Modification, these simple variants belong to protection scope of the present invention.It is each specific described in above-mentioned embodiment
Technical characteristic, in the case of reconcilable, it can be combined by any suitable means.In order to avoid unnecessary weight
Multiple, the present invention no longer separately illustrates to various combinations of possible ways.
Claims (10)
1. a kind of metal grinding fluid ultra-filtration system, it is characterised in that for filtering metal grinding fluid, metal grinding fluid essence
Close filtration system includes water tank (11), magnetic filter (12), water pump (14), the first accurate filter (16a), the second accurate mistake
Filter (16b), the 3rd accurate filter (16c) and filter pipeline (21), the water tank (11), magnetic filter (12), water pump
(14), the first accurate filter (16a), the second accurate filter (16b) and the 3rd accurate filter (16c) pass through the screen pipe
Road (21) is sequentially connected in series, and the filtering accuracy of second accurate filter (16b) and the 3rd accurate filter (16c) is more than
The filtering accuracy of first accurate filter (16a), the filtering accuracy of first accurate filter (16a) are more than or equal to 1um.
2. metal grinding fluid ultra-filtration system as claimed in claim 1, it is characterised in that first accurate filter
(16a) is the oil suction filtering bag filter that filtering accuracy is more than or equal to 1um；Second accurate filter (16b) is filtering accuracy
Accurate filter more than or equal to 0.3um；3rd accurate filter (16c) is filtering accuracy more than or equal to 0.1um's
Accurate filter.
3. metal grinding fluid ultra-filtration system as claimed in claim 1, it is characterised in that the metal grinding fluid secondary filter
System also includes coarse filter (13), and the coarse filter (13) is connected between the magnetic filter (12) and the water pump (14)
On the filter pipeline (21), the coarse filter (13) is the filtering cartridge filter that filtering accuracy is more than or equal to 2mm.
4. metal grinding fluid ultra-filtration system as claimed in claim 1, it is characterised in that the metal grinding fluid secondary filter
System also includes the first source of the gas (17a), the second source of the gas (17b), exhaust tank (18), cloth envelop collector (19), the first discharge opeing air inlet
Manage (22a), the first recoil air inlet pipe (23a), the first discharging tube (24a) and the first scum pipe (25a), the first discharge opeing air inlet pipe
(22a) is connected between first source of the gas (17a) and second accurate filter (16b), and the first recoil air inlet pipe (23a) is even
Be connected between second source of the gas (17b) and second accurate filter (16b), first discharging tube (24a) be connected to this second
Between accurate filter (16b) and the exhaust tank (18), the exhaust tank (18) connects with the water tank (11), first scum pipe
(25a) is connected between second accurate filter (16b) and the cloth envelop collector (19).
5. metal grinding fluid ultra-filtration system as claimed in claim 4, it is characterised in that the metal grinding fluid secondary filter
System also includes the second discharge opeing air inlet pipe (22b), the second recoil air inlet pipe (23b), the second discharging tube (24b) and the second scum pipe
(25b), the second discharge opeing air inlet pipe (22b) are connected between first source of the gas (17a) and the 3rd accurate filter (16c),
The second recoil air inlet pipe (23b) is connected between second source of the gas (17b) and the 3rd accurate filter (16c), and this second
Discharging tube (24b) is connected between the 3rd accurate filter (16c) and the exhaust tank (18), the exhaust tank (18) and the water tank
(11) connect, second scum pipe (25b) is connected between the 3rd accurate filter (16c) and the cloth envelop collector (19).
6. metal grinding fluid ultra-filtration system as claimed in claim 4, it is characterised in that the metal grinding fluid secondary filter
System also includes carbon filter (15), and the carbon filter (15) is connected to first accurate filter (16a) and second precision
On filter pipeline (21) between filter (16b).
7. metal grinding fluid ultra-filtration system as claimed in claim 6, it is characterised in that the metal grinding fluid secondary filter
System also includes the 3rd discharge opeing air inlet pipe (22c), the 3rd recoil air inlet pipe (23c), the 3rd discharging tube (24c) and the 3rd scum pipe
(25c), the 3rd discharge opeing air inlet pipe (22c) are connected between first source of the gas (17a) and the carbon filter (15), and the 3rd is anti-
Rush in tracheae (23c) to be connected between second source of the gas (17b) and the carbon filter (15), the connection of the 3rd discharging tube (24c)
Between the carbon filter (15) and the exhaust tank (18), the exhaust tank (18) connects with the water tank (11), the 3rd scum pipe
(25c) is connected between the carbon filter (15) and the cloth envelop collector (19).
8. metal grinding fluid ultra-filtration system as claimed in claim 4, it is characterised in that filter pipeline (21), first
Discharge opeing air inlet pipe (22a), the first recoil air inlet pipe (23a), the first discharging tube (24a) and the first scum pipe (25a) are provided with more
Individual ball valve, the metal grinding fluid ultra-filtration system also include the control device of control filtration system work, the control device point
It is not electrically connected with the water pump (14) and each ball valve.
9. a kind of metal grinding fluid precision filtering method, it is characterised in that the metal grinding fluid precision filtering method utilizes right
Wrapped it is required that the metal grinding fluid ultra-filtration system described in 1 to 8 any one, the step of the metal grinding fluid precision filtering method
Include：
Start water pump (14), metal grinding fluid is flowed in filter pipeline (21)；
Iron powder and large granular impurity are filtered using magnetic filter (12)；
It is less than or equal to 1um impurity using the first accurate filter (16a) filtering particle diameter；
Utilize the second accurate filter (16b) and the 3rd accurate filter (16c) filtering minute impurities, second accurate filter
The filtering accuracy of (16b) and the 3rd accurate filter (16c) is more than the filtering accuracy of first accurate filter (16a).
10. metal grinding fluid precision filtering method as claimed in claim 9, it is characterised in that to second accurate filter
The step of (16b) is backwashed also includes：
It is that second accurate filter (16b) provides low-pressure gas using the first source of the gas (17a), by second accurate filter
Metal grinding fluid in (16b) is discharged into water tank (11)；And
It is that second accurate filter (16b) provides gases at high pressure using the second source of the gas (17b), by second accurate filter
Filter residue on (16b) is swept away, and filter residue is discharged into cloth envelop collector (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710915131.6A CN107648927A (en) | 2017-09-30 | 2017-09-30 | Metal grinding fluid ultra-filtration system and its method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710915131.6A CN107648927A (en) | 2017-09-30 | 2017-09-30 | Metal grinding fluid ultra-filtration system and its method |
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| Publication Number | Publication Date |
|---|---|
| CN107648927A true CN107648927A (en) | 2018-02-02 |
Family
ID=61116327
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710915131.6A Pending CN107648927A (en) | 2017-09-30 | 2017-09-30 | Metal grinding fluid ultra-filtration system and its method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107648928A (en) * | 2017-09-30 | 2018-02-02 | 东莞安默琳机械制造技术有限公司 | Antirust solution ultra-filtration system and its method |
| CN107661659A (en) * | 2017-09-30 | 2018-02-06 | 东莞安默琳机械制造技术有限公司 | Cleaner for metal ultra-filtration system and its method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546198A (en) * | 2003-11-28 | 2004-11-17 | 邝念曾 | Method and system for purifying hydraulic-oil |
| CN103007616A (en) * | 2012-11-27 | 2013-04-03 | 飞潮（无锡）过滤技术有限公司 | Rotating disk filter |
| CN203525432U (en) * | 2013-09-02 | 2014-04-09 | 深圳市科彩印务有限公司 | Circulating filtering device for water tank of printing press |
| CN205598762U (en) * | 2016-04-20 | 2016-09-28 | 沙伟平 | Cut grinding fluid processing system |
| DE202016103432U1 (en) * | 2016-06-28 | 2017-06-29 | Boll & Kirch Filterbau Gmbh | Filtration system for oil filtration, in particular for ship aggregates such as marine engines |
| CN107648928A (en) * | 2017-09-30 | 2018-02-02 | 东莞安默琳机械制造技术有限公司 | Antirust solution ultra-filtration system and its method |
| CN107661659A (en) * | 2017-09-30 | 2018-02-06 | 东莞安默琳机械制造技术有限公司 | Cleaner for metal ultra-filtration system and its method |
| CN208553377U (en) * | 2017-09-30 | 2019-03-01 | 东莞安默琳机械制造技术有限公司 | Metal grinding fluid ultra-filtration system |
-
2017
- 2017-09-30 CN CN201710915131.6A patent/CN107648927A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546198A (en) * | 2003-11-28 | 2004-11-17 | 邝念曾 | Method and system for purifying hydraulic-oil |
| CN103007616A (en) * | 2012-11-27 | 2013-04-03 | 飞潮（无锡）过滤技术有限公司 | Rotating disk filter |
| CN203525432U (en) * | 2013-09-02 | 2014-04-09 | 深圳市科彩印务有限公司 | Circulating filtering device for water tank of printing press |
| CN205598762U (en) * | 2016-04-20 | 2016-09-28 | 沙伟平 | Cut grinding fluid processing system |
| DE202016103432U1 (en) * | 2016-06-28 | 2017-06-29 | Boll & Kirch Filterbau Gmbh | Filtration system for oil filtration, in particular for ship aggregates such as marine engines |
| CN107648928A (en) * | 2017-09-30 | 2018-02-02 | 东莞安默琳机械制造技术有限公司 | Antirust solution ultra-filtration system and its method |
| CN107661659A (en) * | 2017-09-30 | 2018-02-06 | 东莞安默琳机械制造技术有限公司 | Cleaner for metal ultra-filtration system and its method |
| CN208553377U (en) * | 2017-09-30 | 2019-03-01 | 东莞安默琳机械制造技术有限公司 | Metal grinding fluid ultra-filtration system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107648928A (en) * | 2017-09-30 | 2018-02-02 | 东莞安默琳机械制造技术有限公司 | Antirust solution ultra-filtration system and its method |
| CN107661659A (en) * | 2017-09-30 | 2018-02-06 | 东莞安默琳机械制造技术有限公司 | Cleaner for metal ultra-filtration system and its method |
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