CN107617928A - A kind of wire cutting iron powder iron cement separates recursive filter - Google Patents
A kind of wire cutting iron powder iron cement separates recursive filter Download PDFInfo
- Publication number
- CN107617928A CN107617928A CN201711016973.4A CN201711016973A CN107617928A CN 107617928 A CN107617928 A CN 107617928A CN 201711016973 A CN201711016973 A CN 201711016973A CN 107617928 A CN107617928 A CN 107617928A
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- Prior art keywords
- water
- iron powder
- water tank
- coolant
- nylon
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 151
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 51
- 239000004568 cement Substances 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 135
- 239000002826 coolant Substances 0.000 claims abstract description 54
- 238000001914 filtration Methods 0.000 claims abstract description 48
- 238000000926 separation method Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000002173 cutting fluid Substances 0.000 claims abstract description 9
- 239000004677 Nylon Substances 0.000 claims description 53
- 229920001778 nylon Polymers 0.000 claims description 53
- 229910001220 stainless steel Inorganic materials 0.000 claims description 18
- 239000010935 stainless steel Substances 0.000 claims description 18
- 238000011109 contamination Methods 0.000 claims description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000004519 grease Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a kind of wire cutting iron powder iron cement to separate recursive filter, including frame, purifier for running water group, heater, multistage oil water separation filtering, iron powder iron cement separator.Frame lower is provided with water tank and cutting liquid bath；Cutting fluid trench bottom connects with water tank.Purifier for running water group purifies to running water；The temperature of running water is adjusted heater；The delivery port of heater connects with water tank；Multistage oil water separation filtering is connected with water tank and outside lathe respectively by pipeline；Multistage oil water separation filtering carries out water-oil separating filtering to the coolant in water tank；The entrance of iron powder iron cement separator is connected with outside lathe；The outlet of iron powder iron cement separator is connected with water tank.The present invention is rational in infrastructure, by effectively being filtered to the coolant after use, realizes recycling for coolant, reduces the number for changing coolant, improves working efficiency, has saved cost.
Description
Technical field
The present invention relates to automation filter plant field, more particularly to a kind of wire cutting iron powder iron cement separation circulating filtration
Device.
Background technology
Itself wire electrode is also being lost while cutting on line lathe galvanic corrosion workpiece, and it can produce miscellaneous during being lost
Matter and iron powder iron cement, and the filtering measure that existing wire cutting machine tool coolant water tank with strainer uses is fairly simple, it is difficult to line
Caused impurity and iron powder iron cement filtering is clean during cutting off machine work, therefore used work during wire cutting machine tool work
Impurity and iron powder iron cement are carried in liquid, and the more increases the more more as the time of wire cutting machine tool work is longer, and with a large amount of
Its resistance of the coolant of impurity and iron powder iron cement changes significantly, reduces cooling, the rinsing quality of coolant, so as to cause frequently
Fracture of wire；Because wire cutting machine tool is to touch workpiece by wire electrode to carry out electric discharge removal cutting, contain impurity in coolant
And iron powder iron cement is excessive, then wire cutting machine tool is influenceed to electric pulse spark caused by workpiece progress electric discharge removal, cuts line
Cutting mill bed can not normal work, frequently change the number of wire cutting machine tool coolant, waste coolant significantly, containing a large amount of miscellaneous
The coolant of matter is by by conducting block, and the coolant contained on wire electrode is because impurity is excessive after on wire electrode band, so as to reduce
The conductive effect of wire electrode, controller reception signal is reduced, so as to influence the operating efficiency of wire cutting machine tool, precision, finish.
In addition, generally also carrying grease after coolant use, traditional filter can not also filter to grease, influence
Performance after coolant filtering recycling.Meanwhile coolant is mixed using pure water and cutting fluid, running water can not
Reach the standard of pure water, influence the performance of coolant, high using pure water cost, convenience is poor, and the environment that temperature is relatively low
Under, cutting fluid is in paste, can not fully dissolve and mix with pure water, can also influence the performance of coolant.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of wire cutting iron powder iron cement to separate recursive filter, existing
It is improved on some filters, using circulating filtration structure, solves existing coolant water tank with strainer poor filtration effect, together
Shi Wufa filters to grease, and coolant cost is high, the problem of the coolant poor performance that filtering Posterior circle uses.
To reach above-mentioned purpose, technical scheme is as follows：A kind of wire cutting iron powder iron cement separates recursive filter,
Including
Frame；The frame lower is provided with water tank and cutting liquid bath；The cutting fluid trench bottom connects with the water tank
It is logical；
Purifier for running water group；Running water water inlet is provided with the purifier for running water group, running water is carried out net
Change；
Heater；The heater and the delivery port of the purifier for running water group pass through pipeline communication；The heater
The temperature of running water is adjusted；The delivery port of the heater connects with the water tank；
Multistage oil water separation filtering；The multistage oil water separation filtering is installed in the water tank；The multi-grade oil
Water separating filter is connected with the water tank and outside lathe respectively by pipeline；The multistage oil water separation filtering is to described
Coolant in water tank carries out water-oil separating filtering, and coolant is delivered into the outside lathe by water pump；
Iron powder iron cement separator；The entrance of the iron powder iron cement separator is connected with the outside lathe, to the outside
Coolant after lathe use is filtered；The outlet of the iron powder iron cement separator is connected with the water tank.
As a preferred embodiment of the present invention, retractable tank lid is provided with the water tank；The tank lid pair
The water tank is sealed, and prevents external contamination from carrying out water tank.
In order to preferably control to adjust water temperature, temperature regulator is provided with the heater.
As a preferred embodiment of the present invention, the multistage oil water separation filtering includes one-level oil water separation filtering
With two level oil water separation filtering；The one-level oil water separation filtering carries out coarse filtration to the coolant in the water tank；Institute
State two level oil water separation filtering and smart filtering is carried out to the coolant in the water tank.
As a preferred embodiment of the present invention, the outside of the purifier for running water group and heater is coated with for protecting
The chassis shell of shield；Radiator window is provided with the chassis shell.
As a preferred embodiment of the present invention, iron powder iron cement separator includes separator case, magnetic roller, motor, stainless
Steel bushing, nylon rod, disposable box；The entrance of the separator case, the separation are provided with the top of the separator case
The bottom of device casing is provided with the outlet of the separator case；The magnetic roller is cylinder, is installed on the separator case
It is interior；The motor drives the separator case to rotate；The stainless steel sleeve jacket casing is same with the magnetic roller outside the magnetic roller
Step rotates；The nylon rod is located at the side of the stainless steel sleeve, is be arranged in parallel with the stainless steel sleeve, gap coordinates；
The disposable box is located at the lower section of the nylon rod；Opening is provided with above the disposable box, collects the nylon rod from described
The iron powder iron cement that stainless steel sleeve surface scrapes.
The magnetic roller preferably uses following structure：The magnetic roller includes rotating shaft, nylon roll body, magnetic patch；The nylon roll body
It is made up, is sheathed on outside the rotating shaft of nylon material；The nylon roll body is cylinder, in the external spread configuration of the nylon roller
There is a plurality of storage tank；The storage tank is elongated, along the axially arranged of the nylon roll body；Between multiple storage tanks are uniform
Every being distributed in a ring, the nylon roller is external；The magnetic patch is installed in the storage tank.
As a preferred embodiment of the present invention, the nylon rod passes through the supporting plate positioned at the separator case both sides
It is installed in the separator case；The nylon rod is provided at both ends with bolt hole in cylinder in the nylon rod；It is described
Nylon rod is connected by bolt through the bolt hole with the supporting plate；Spring, the spring are provided with the bolt coat
Between the nylon rod and the supporting plate, make axial elasticity sliding of the nylon rod along the bolt.
As a preferred embodiment of the present invention, the disposable box is pullable to be movably installed in the separator with taking out
Lower box.
As a preferred embodiment of the present invention, the backflow pressure-reducing valve connected with the water tank is provided with the water pump.
Pass through above-mentioned technical proposal, the notable beneficial effect of technical solution of the present invention are：The present invention is rational in infrastructure, by right
Coolant after use is effectively filtered, and realizes recycling for coolant, substantially prolongs the usage time of coolant,
Reduce the number for changing coolant, save the usage amount of coolant, improve working efficiency, saved cost, operated simultaneously
Simply, it is the recycling that coolant can be achieved to connect running water, and automaticity is high, and using effect is good.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the internal structure decomposing schematic representation of the present invention.
Fig. 3 is the iron powder iron cement cyclone separator arrangement schematic diagram of the present invention.
Fig. 4 is the internal structure decomposing schematic representation of iron powder iron cement separator of the present invention.
Corresponding component title of the numeral represented by with letter in figure：
1. the water tank 3. of frame 2. cuts liquid bath
4. the radiator window of 5. two level oil water separation filtering of one-level oil water separation filtering 6.
7. the temperature regulator of 8. heater of purifier for running water group 9.
10. the motor of 11. iron powder iron cement separator of water pump 12.
13. the magnetic roller of 14. separator case of disposable box 15.
16. the supporting plate of 17. nylon rod of stainless steel sleeve 18..
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment
With reference to Fig. 1 to Fig. 4, the invention discloses a kind of wire cutting iron powder iron cement to separate recursive filter, for being cut to line
Cut recycling for coolant, mainly include frame 1, purifier for running water group 7, heater 8, multistage oil water separation filtering,
Iron powder iron cement separator 11.Water tank 2 and cutting liquid bath 3 are provided with the bottom of frame 1；The cutting bottom of liquid bath 3 connects with water tank 2.
Cutting fluid and water mix in water tank 2, form coolant.In order to prevent external contamination from carrying out water tank 2, can be set on water tank 2
It is equipped with retractable tank lid；Tank lid seals to water tank 2, prevents external contamination from carrying out water tank 2.Purifier for running water group
Running water water inlet is provided with 7, running water is purified.Heater 8 and the delivery port of purifier for running water group 7 pass through pipe
Road connects；The temperature of running water is adjusted heater 8；The delivery port of heater 8 connects with water tank 2.Heater 8 is by right
Running water after purification is heated, and when facilitating ambient temperature relatively low, cutting fluid fully dissolves with water is mixed to form cooling
Liquid.Temperature regulator 9 can be provided with heater 8, preferably to adjust water temperature.While in order to prevent the accidents such as scald
Generation, can be in purifier for running water group 7 and the outer chassis shell being equipped with for protection of heater 8；Set on chassis shell
There is radiator window 6.Multistage oil water separation filtering is installed in water tank 2；Multistage oil water separation filtering by pipeline respectively with water
Case 2 connects with outside lathe；Multistage oil water separation filtering carries out water-oil separating filtering to the coolant in water tank 2, and passes through
Coolant is delivered to outside lathe by water pump 10.In order to facilitate control hydraulic pressure, the backflow connected with water tank 2 is provided with water pump 10
Pressure-reducing valve.The entrance of iron powder iron cement separator 11 is connected with outside lathe, and the coolant after outside lathe use is filtered；
The outlet of iron powder iron cement separator 11 is connected with water tank 2.Because, easily by greasy dirt, and iron powder iron cement separates during coolant use
Device 11 is degreased, therefore greasy dirt separate removing by multistage oil water separation filtering.Preferably, multistage water-oil separating
Filter includes one-level oil water separation filtering 4 and two level oil water separation filtering 5；One-level oil water separation filtering 4 is to water tank 2
Interior coolant carries out coarse filtration；Two level oil water separation filtering 5 carries out smart filtering to the coolant in water tank 2.
In the present invention, iron powder iron cement separator 11 include separator case 14, magnetic roller 15, motor 12, stainless steel sleeve 16,
Nylon rod 17, disposable box 13.The top of separator case 14 is provided with the entrance of separator case 14, under separator case 14
Portion is provided with the outlet of separator case 14.Coolant to be filtered is carried out from the entrance of separator case 14, after being separated by filtration, from
The outlet outflow of separator case 14.Magnetic roller 15 is cylinder, is installed in separator case 14.Motor 12 drives separator case
Body 14 rotates；Stainless steel sleeve 16 is sheathed on outside magnetic roller 15, with the synchronous axial system of magnetic roller 15.Nylon rod 17 is located at stainless steel sleeve 16
Side, be arranged in parallel with stainless steel sleeve 16, gap coordinate.Nylon rod 17 passes through the support positioned at the both sides of separator case 14
Plate 18 is installed in separator case 14；Nylon rod 17 is provided at both ends with bolt hole in cylinder in nylon rod 17；Nylon rod
17 are connected by bolt passing through bolt hole with supporting plate 18；Spring is provided with bolt coat, spring is located at nylon rod 17 and support
Between plate 18, make axial elasticity sliding of the nylon rod 17 along bolt.Coolant to be filtered flows through the surface of stainless steel sleeve 16, no
The rust adsorption iron powder iron cement of steel bushing 16, iron powder iron cement is stopped by nylon rod 17, falls into disposable box 13, and removes iron power removing iron
The coolant of mud rotates with stainless steel sleeve 16, is flowed out from the outlet of separator case 14.In order that iron powder iron cement and cooling
Liquid preferably separates, and can set a baffle plate on the side of stainless steel sleeve 16.Disposable box 13 is located at the lower section of nylon rod 17.Disposable box
13 tops are provided with opening, collect the iron powder iron cement that nylon rod 17 scrapes from the stainless surface of steel bushing 16.Disposable box 13 can use
Drawer-type structure, it is pullable to be movably installed in the bottom of separator case 14 with taking out.Magnetic roller 15 preferably uses following structure：Magnetic
Roller 15 includes rotating shaft, nylon roll body, magnetic patch；Nylon roll body is made up of nylon material, is sheathed on outside rotating shaft；Nylon roll body is cylinder
Shape, a plurality of storage tank is disposed with vitro in nylon roller；Storage tank is elongated, along the axially arranged of nylon roll body；It is multiple
It is external that storage tank uniform intervals are distributed in nylon roller in a ring；Magnetic patch is installed in storage tank.
The cyclic process of the present invention：Running water is introduced into purifier for running water group 7, and purifier for running water group 7 includes multiple
Purifier for running water, remove impurity, remaining oxidizing agent and partially electronically conductive ion in running water；Then the running water after purifying
Proceeded to by heater 8 in water tank 2, running water can be heated as desired by heater 8；In cutting liquid bath 3
Cutting fluid is added, cutting fluid enters water tank 2 from cutting liquid bath 3, mixed with the liquid in water tank 2, forms coolant；Coolant is led to
Cross water pump 10 and deliver to outside lathe by multistage oil water separation filtering, used for line cutting processing；It is cold after use
But liquid is delivered to iron powder iron cement separator 11, removes the impurity such as iron cement iron powder, is again introduced into water tank 2, is recycled.
By above-mentioned specific embodiment, the beneficial effects of the invention are as follows：The present invention is rational in infrastructure, by cold after use
But liquid is effectively filtered, and realizes recycling for coolant, substantially prolongs the usage time of coolant, reduces replacing
The number of coolant, the usage amount of coolant is saved, improve working efficiency, saved cost, at the same it is simple to operate, and connection is certainly
Water is that the recycling of coolant can be achieved, and automaticity is high, and using effect is good.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of wire cutting iron powder iron cement separates recursive filter, it is characterised in that including
Frame；The frame lower is provided with water tank and cutting liquid bath；The cutting fluid trench bottom connects with the water tank；
Purifier for running water group；Running water water inlet is provided with the purifier for running water group, running water is purified；
Heater；The heater and the delivery port of the purifier for running water group pass through pipeline communication；The heater is to certainly
The temperature of water is adjusted；The delivery port of the heater connects with the water tank；
Multistage oil water separation filtering；The multistage oil water separation filtering is installed in the water tank；The multi-grade oil moisture
It is connected respectively with the water tank and outside lathe by pipeline from filter；The multistage oil water separation filtering is to the water tank
Interior coolant carries out water-oil separating filtering, and coolant is delivered into the outside lathe by water pump；
Iron powder iron cement separator；The entrance of the iron powder iron cement separator is connected with the outside lathe, to the outside lathe
Coolant after use is filtered；The outlet of the iron powder iron cement separator is connected with the water tank.
2. wire cutting iron powder iron cement according to claim 1 separates recursive filter, it is characterised in that is set on the water tank
It is equipped with retractable tank lid；The tank lid seals to the water tank, prevents external contamination from carrying out water tank.
3. wire cutting iron powder iron cement according to claim 1 separates recursive filter, it is characterised in that on the heater
It is provided with temperature regulator.
4. wire cutting iron powder iron cement according to claim 1 separates recursive filter, it is characterised in that the multistage profit
Separator-filter includes one-level oil water separation filtering and two level oil water separation filtering；The one-level oil water separation filtering pair
Coolant in the water tank carries out coarse filtration；The two level oil water separation filtering carries out essence to the coolant in the water tank
Filtering.
5. wire cutting iron powder iron cement according to claim 1 separates recursive filter, it is characterised in that the running water is net
The outside of change device group and heater is coated with the chassis shell for protection；Radiator window is provided with the chassis shell.
6. wire cutting iron powder iron cement according to claim 1 separates recursive filter, it is characterised in that iron powder iron cement separates
Device includes separator case, magnetic roller, motor, stainless steel sleeve, nylon rod, disposable box；The top of the separator case is set
There is the entrance of the separator case, the bottom of the separator case is provided with the outlet of the separator case；The magnetic
Roller is cylinder, is installed in the separator case；The motor drives the separator case to rotate；The stainless steel sleeve
Jacket casing is outside the magnetic roller, with the magnetic roller synchronous axial system；The nylon rod is located at the side of the stainless steel sleeve, with institute
State stainless steel sleeve be arranged in parallel, gap coordinate；The disposable box is located at the lower section of the nylon rod；Set above the disposable box
Opening is equipped with, collects the iron powder iron cement that the nylon rod scrapes from the stainless steel sleeve surface.
7. wire cutting iron powder iron cement according to claim 6 separates recursive filter, it is characterised in that the magnetic roller includes
Rotating shaft, nylon roll body, magnetic patch；The nylon roll body is made up of nylon material, is sheathed on outside the rotating shaft；The nylon roll body is
Cylinder, a plurality of storage tank is disposed with vitro in the nylon roller；The storage tank is elongated, along the nylon roll body
It is axially arranged；It is external that multiple storage tank uniform intervals are distributed in the nylon roller in a ring；The magnetic patch is installed on institute
State in storage tank.
8. wire cutting iron powder iron cement according to claim 7 separates recursive filter, it is characterised in that the nylon rod leads to
The supporting plate positioned at the separator case both sides is crossed to be installed in the separator case；The nylon rod is in cylinder,
The nylon rod is provided at both ends with bolt hole；The nylon rod is connected by bolt through the bolt hole and the supporting plate
Connect；Spring is provided with the bolt coat, the spring makes the nylon rod between the nylon rod and the supporting plate
Slid along the axial elasticity of the bolt.
9. wire cutting iron powder iron cement according to claim 8 separates recursive filter, it is characterised in that the disposable box can
Drawing and pulling type is movably installed in the separator case bottom with taking out.
10. wire cutting iron powder iron cement according to claim 9 separates recursive filter, it is characterised in that on the water pump
It is provided with the backflow pressure-reducing valve connected with the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711016973.4A CN107617928A (en) | 2017-10-26 | 2017-10-26 | A kind of wire cutting iron powder iron cement separates recursive filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711016973.4A CN107617928A (en) | 2017-10-26 | 2017-10-26 | A kind of wire cutting iron powder iron cement separates recursive filter |
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| Publication Number | Publication Date |
|---|---|
| CN107617928A true CN107617928A (en) | 2018-01-23 |
Family
ID=61092843
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711016973.4A Pending CN107617928A (en) | 2017-10-26 | 2017-10-26 | A kind of wire cutting iron powder iron cement separates recursive filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182920A (en) * | 2021-04-12 | 2021-07-30 | 沈阳环境科学研究院 | Comprehensive wastewater recycling system |
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| CN106039832A (en) * | 2016-07-20 | 2016-10-26 | 洛阳信成精密机械有限公司 | Novel full-automatic oil-water separator |
| CN206089320U (en) * | 2016-08-29 | 2017-04-12 | 广州奥拓夫节能科技有限公司 | Cutting fluid purifies energy -conserving environmental protection system |
| CN106584280A (en) * | 2016-11-07 | 2017-04-26 | 成都欧珀琅精密工具有限公司 | Cooling liquid recovery system of flat grinder |
| CN107159454A (en) * | 2017-05-11 | 2017-09-15 | 湖北坚丰科技股份有限公司 | A kind of cutting fluid magnetic separation device |
| CN207289621U (en) * | 2017-10-26 | 2018-05-01 | 苏州红亿方精密机械模具有限公司 | A kind of wire cutting iron powder iron cement separates recursive filter |
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| CN113182920A (en) * | 2021-04-12 | 2021-07-30 | 沈阳环境科学研究院 | Comprehensive wastewater recycling system |
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Application publication date: 20180123 |