CN108081025A - A kind of method that cutting fluid recycles - Google Patents

A kind of method that cutting fluid recycles Download PDF

Info

Publication number
CN108081025A
CN108081025A CN201611046868.0A CN201611046868A CN108081025A CN 108081025 A CN108081025 A CN 108081025A CN 201611046868 A CN201611046868 A CN 201611046868A CN 108081025 A CN108081025 A CN 108081025A
Authority
CN
China
Prior art keywords
filter
cutting fluid
clear liquid
level
filtrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611046868.0A
Other languages
Chinese (zh)
Inventor
吴梦春
何爱国
尤伟杰
张秋虹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUANCHI YUNHE STEEL BALL CO Ltd
Original Assignee
HUANCHI YUNHE STEEL BALL CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HUANCHI YUNHE STEEL BALL CO Ltd filed Critical HUANCHI YUNHE STEEL BALL CO Ltd
Priority to CN201611046868.0A priority Critical patent/CN108081025A/en
Publication of CN108081025A publication Critical patent/CN108081025A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10Arrangements for cooling or lubricating tools or work
    • B23Q11/1069Filtration systems specially adapted for cutting liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • B03C1/30Combinations with other devices, not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The present invention discloses a kind of circulation utilization method of cutting fluid, belongs to and comprises the following steps:Cutting fluid in waste liquid pool, which is flowed into metal cloth filter, carries out coarse filtration;Filtrate after coarse filtration is entered in magnetic separator and is filtered, the filtrate isolated enters transfer pond;Into snakelike filter under the action of pump one, the filtrate passed through from snakelike filter is back in transfer pond filtrate in transfer pond, and the level-one clear liquid after the filtering of snakelike filter flows to reservoir;Opening conduits valve closes pipeline valve two together, the early warning value of detector is set, level-one clear liquid is filtered under the action of pump two into membrane filtration box one, obtains two level clear liquid, two level clear liquid is recycled when up to standard, and pipeline valve opening conduits valve two together is closed when not up to standard.The present invention provide it is a kind of it is applied widely, treatment effeciency is high, good separating effect, cutting fluid circulation utilization method easy to operate.

Description

A kind of method that cutting fluid recycles
Technical field
The present invention relates to a kind of methods that cutting fluid recycles.
Background technology
Cutting fluid is common cooling agent and lubricant in a kind of intermetallic composite coating and mechanical processing, and ingredient is according to using field The difference of conjunction includes oil, oil-water emulsion, paste, gel, water etc., and profit is played to working angles in intermetallic composite coating or machine-building The effects that sliding, cooling, cleaning, antirust.Metalworking operations most important part in the taking during loss of cutting fluid, after use Contain substantial amounts of metal fillings and other impurities in cutting fluid, it is impossible to which direct circulation utilizes, because the impurity in cutting fluid can be very big Ground damages machining tool, destroys machining accuracy.
The cutting fluid that general enterprises use all has environment and human body certain toxic side effect, belongs to hazardous waste ranks, It can be just discharged into after needing specially treated in environment.A large amount of waste emulsified mixtures processing that band large-scale metal is processed and Mechanical Manufacturing Enterprises generate Disposal needs high expense, increases business economic burden, and the processing discharge of a large amount of waste emulsified mixtures may also cause shadow to environment It rings.The prior art is by used cutting liquid natural subsidence some months of pinching, separates used cutting liquid natural subsidence, efficiency and yield It is all relatively low.
The content of the invention
To solve above-mentioned technical problem existing in the prior art, present invention offer one kind is applied widely, treatment effeciency is high, Good separating effect, cutting fluid circulation utilization method easy to operate.
The present invention adopts the following technical scheme that:
A kind of circulation utilization method of cutting fluid, comprises the following steps:
S1, will be in the used cutting fluid of machine tooling be gathered into waste liquid pool, cutting fluid in waste liquid pool flows into metal Coarse filtration is carried out in web filter;
S2, the filtrate after coarse filtration is entered in magnetic separator and is filtered, the filter residue isolated recycles, the filter isolated Liquid enters transfer pond;
Filtrate in S3, transfer pond enters snakelike filter, the filter passed through from snakelike filter under the action of pump one Liquid is back in transfer pond, and the level-one clear liquid after the filtering of snakelike filter flows to reservoir;
S4, opening conduits valve close pipeline valve two together, set the early warning value of detector, level-one clear liquid is in pump two Effect is lower to be filtered into membrane filtration box one, obtains two level clear liquid;
S5, two level clear liquid enter detector detection, and when detector is not up to early warning value, the reflux of two level clear liquid makes for lathe With;When detector reaches early warning value, pipeline valve opening conduits valve two together is closed, replaces the filter in membrane filtration box one Film, at this time level-one clear liquid enter membrane filtration box two and continue to filter.
Preferably, the pore size filter of the metal cloth filter described in step 1 is 1~2mm.
Preferably, magnetic separator described in step 2 uses magnetic roller separator.
Preferably, the detector described in step 4 uses any one of optical sensor or concentration sensor.
Preferably, the filter membrane described in step 4 is miillpore filter.
Preferably, set in the transfer pond described in step 2 by flocculation bag, flocculant is equipped in the flocculation bag, it is described Flocculant includes the raw material of following parts by weight:50~60 parts of zeolite;8~10 parts of polyacrylamide;Sodium Polyacrylate 7~15 Part;5~9 parts of poly-ferric chloride;Surplus is aluminum sulfate.
Preferably, the snakelike filter described in step 3 includes poly- liquid shell and is arranged on snakelike inside poly- liquid shell Pipe, the coiled pipe are the metal mesh of helical pipe shape, filter screen are equipped on the inside of metal mesh, described coiled pipe one end connects transfer Pond, other end connection pump one, the water outlet of the poly- liquid shell is connected with reservoir.
The beneficial effects of the invention are as follows:
(1) all process steps of the present invention pass through multi-stage separation treatment cutting fluid object, applied widely, good separating effect, separation It is efficient, in particular for the cutting fluid of paramagnetic material processing, have better effect.
(2) the plant automation degree used in the present invention is high, and equipment is simple, easy to operate, can work continuously, both can be with Lathe is used in conjunction, and can also be individually used for cutting fluid recycling.
Description of the drawings
Fig. 1 is the structure diagram of the present invention;
Fig. 2 is the structure diagram of the snakelike filter of the present invention.
Symbol description in figure:Poly- liquid shell 1, coiled pipe 2, water outlet 3.
Specific embodiment
Following embodiment further illustrates technical scheme, but not as the limitation of the scope of the present invention.
Embodiment 1
A kind of circulation utilization method of cutting fluid, comprises the following steps:
S1, will be in the used cutting fluid of machine tooling be gathered into waste liquid pool, cutting fluid in waste liquid pool flows into metal Coarse filtration is carried out in web filter, metal cloth filter pore size filter is 1mm;
S2, the filtrate after coarse filtration is entered in magnetic roller separator and is filtered, the filter residue isolated recycles, and isolates Filtrate enters transfer pond;
Filtrate in S3, transfer pond enters snakelike filter, the filter passed through from snakelike filter under the action of pump one Liquid is back in transfer pond, and the level-one clear liquid after the filtering of snakelike filter flows to reservoir;
S4, opening conduits valve close pipeline valve two together, set the early warning value of optical sensor, level-one clear liquid is in pump two Under the action of be filtered into membrane filtration box one, obtain two level clear liquid;
S5, two level clear liquid enter detector detection, and when detector is not up to early warning value, the reflux of two level clear liquid makes for lathe With;When detector reaches early warning value, pipeline valve opening conduits valve two together is closed, replaces the filter in membrane filtration box one Film, at this time level-one clear liquid enter membrane filtration box two and continue to filter.
It is set in transfer pond described in step 2 by flocculation bag, flocculant, the flocculant bag is equipped in the flocculation bag Include the raw material of following parts by weight:50 parts of zeolite;10 parts of polyacrylamide;15 parts of Sodium Polyacrylate;9 parts of poly-ferric chloride;It is remaining It measures as aluminum sulfate.
Snakelike filter described in step 3 includes poly- liquid shell 1 and the coiled pipe 2 being arranged on inside poly- liquid shell 1, described Coiled pipe is the metal mesh of helical pipe shape, is equipped with filter screen on the inside of metal mesh, 2 one end of coiled pipe connection transfer pond, another One end connection pump one, the water outlet 3 of the poly- liquid shell 1 is connected with reservoir, and filter screen aperture is 0.1mm.
Embodiment 2
A kind of circulation utilization method of cutting fluid, comprises the following steps:
S1, will be in the used cutting fluid of machine tooling be gathered into waste liquid pool, cutting fluid in waste liquid pool flows into metal Coarse filtration is carried out in web filter, metal cloth filter pore size filter is 2mm;
S2, the filtrate after coarse filtration is entered in magnetic roller separator and is filtered, the filter residue isolated recycles, and isolates Filtrate enters transfer pond;
Filtrate in S3, transfer pond enters snakelike filter, the filter passed through from snakelike filter under the action of pump one Liquid is back in transfer pond, and the level-one clear liquid after the filtering of snakelike filter flows to reservoir;
S4, opening conduits valve close pipeline valve two together, set the early warning value of concentration sensor, level-one clear liquid is in pump two Under the action of be filtered into membrane filtration box one, obtain two level clear liquid;
S5, two level clear liquid enter detector detection, and when detector is not up to early warning value, the reflux of two level clear liquid makes for lathe With;When detector reaches early warning value, pipeline valve opening conduits valve two together is closed, replaces the micropore in membrane filtration box one Filter membrane, at this time level-one clear liquid enter membrane filtration box two and continue to filter.
It is set in transfer pond described in step 2 by flocculation bag, flocculant, the flocculant bag is equipped in the flocculation bag Include the raw material of following parts by weight:60 parts of zeolite;8 parts of polyacrylamide;7 parts of Sodium Polyacrylate;5 parts of poly-ferric chloride;Surplus For aluminum sulfate.
Snakelike filter described in step 3 includes poly- liquid shell 1 and the coiled pipe 2 being arranged on inside poly- liquid shell 1, described Coiled pipe is the metal mesh of helical pipe shape, is equipped with filter screen on the inside of metal mesh, 2 one end of coiled pipe connection transfer pond, another One end connection pump one, the water outlet 3 of the poly- liquid shell 1 is connected with reservoir, and filter screen aperture is 0.5mm.
Embodiment 3
A kind of circulation utilization method of cutting fluid, comprises the following steps:
S1, will be in the used cutting fluid of machine tooling be gathered into waste liquid pool, cutting fluid in waste liquid pool flows into metal Coarse filtration is carried out in web filter, metal cloth filter pore size filter is 1.5mm;
S2, the filtrate after coarse filtration is entered in magnetic roller separator and is filtered, the filter residue isolated recycles, and isolates Filtrate enters transfer pond;
Filtrate in S3, transfer pond enters snakelike filter, the filter passed through from snakelike filter under the action of pump one Liquid is back in transfer pond, and the level-one clear liquid after the filtering of snakelike filter flows to reservoir;
S4, opening conduits valve close pipeline valve two together, set the early warning value of concentration sensor, level-one clear liquid is in pump two Under the action of be filtered into membrane filtration box one, obtain two level clear liquid;
S5, two level clear liquid enter detector detection, and when detector is not up to early warning value, the reflux of two level clear liquid makes for lathe With;When detector reaches early warning value, pipeline valve opening conduits valve two together is closed, replaces the micropore in membrane filtration box one Filter membrane, at this time level-one clear liquid enter membrane filtration box two and continue to filter.
It is set in transfer pond described in step 2 by flocculation bag, flocculant, the flocculant bag is equipped in the flocculation bag Include the raw material of following parts by weight:55 parts of zeolite;9 parts of polyacrylamide;10 parts of Sodium Polyacrylate;7 parts of poly-ferric chloride;Surplus For aluminum sulfate.
Snakelike filter described in step 3 includes poly- liquid shell 1 and the coiled pipe 2 being arranged on inside poly- liquid shell 1, described Coiled pipe is the metal mesh of helical pipe shape, is equipped with filter screen on the inside of metal mesh, 2 one end of coiled pipe connection transfer pond, another One end connection pump one, the water outlet 3 of the poly- liquid shell 1 is connected with reservoir, and filter screen aperture is 0.4mm.
The operation principle of the present invention:
The present invention purifies cutting fluid by the way of multistage physical separation, first with gravity so that cutting fluid flows through metal Web filter removes large granular impurity, in order to avoid shining the equipment of post-processing into damage, then using Magneto separate, recycles with suitable Magnetic impurity.Cutting fluid after Magneto separate enters snakelike filter under the action of pump one, into cutting in coiled pipe It cuts liquid to penetrate into poly- liquid shell from tube wall under the action of centrifugal force, pressure and gravity, filtered cutting fluid is then returned It flows in transfer pond, impurity richness is gathered in flocculation bag and coiled pipe.Level-one clear liquid in poly- liquid shell is pumped into membrane filtration box by pump two In, pump two causes the pressure differential of film both sides liquid so that filtering is more efficient, on the other hand but also cutting liquid is obtained and returned Stream realizes Xun Huan.

Claims (7)

1. a kind of circulation utilization method of cutting fluid, which is characterized in that comprise the following steps:
S1, will be in the used cutting fluid of machine tooling be gathered into waste liquid pool, cutting fluid in waste liquid pool flows into metal mesh mistake Coarse filtration is carried out in filter;
S2, the filtrate after coarse filtration is entered in magnetic separator and is filtered, the filter residue isolated recycles, the filtrate isolated into Enter transfer pond;
Filtrate in S3, transfer pond into snakelike filter under the action of pump one, return by the filtrate passed through from snakelike filter It flows in transfer pond, the level-one clear liquid after the filtering of snakelike filter flows to reservoir;
S4, opening conduits valve close pipeline valve two together, set the early warning value of detector, level-one clear liquid is in the effect of pump two It is lower to be filtered into membrane filtration box one, obtain two level clear liquid;
S5, two level clear liquid enter detector detection, and when detector is not up to early warning value, the reflux of two level clear liquid is used for lathe;When When detector reaches early warning value, pipeline valve opening conduits valve two together is closed, replaces the filter membrane in membrane filtration box one, at this time Level-one clear liquid enters membrane filtration box two and continues to filter.
A kind of 2. circulation utilization method of cutting fluid according to claim 1, which is characterized in that the gold described in step 1 The pore size filter for belonging to web filter is 1~2mm.
3. the circulation utilization method of a kind of oiliness cutting fluid according to claim 1, which is characterized in that described in step 2 Magnetic separator uses magnetic roller separator.
A kind of 4. circulation utilization method of cutting fluid according to claim 1, which is characterized in that the inspection described in step 4 It surveys device and uses any one of optical sensor or concentration sensor.
A kind of 5. circulation utilization method of cutting fluid according to claim 1, which is characterized in that the filter described in step 4 Film is miillpore filter.
6. the circulation utilization method of a kind of cutting fluid according to claim 1, which is characterized in that in described in step 2 Turn Chi Zhongshe by flocculation bag, be equipped with flocculant in the flocculation bag, the flocculant includes the raw material of following parts by weight:Zeolite 50~60 parts;8~10 parts of polyacrylamide;7~15 parts of Sodium Polyacrylate;5~9 parts of poly-ferric chloride;Surplus is aluminum sulfate.
A kind of 7. circulation utilization method of cutting fluid according to claim 1, which is characterized in that the snake described in step 3 Shape filter includes poly- liquid shell (1) and the coiled pipe (2) for being arranged on (1) portion in poly- liquid shell, and the coiled pipe (2) is helical pipe The metal mesh of shape, metal mesh inside are equipped with filter screen, coiled pipe (2) one end connection transfer pond, other end connection pump one, institute The water outlet (3) for stating poly- liquid shell (1) is connected with reservoir, and the filter screen aperture is 0.1~0.5mm.
CN201611046868.0A 2016-11-23 2016-11-23 A kind of method that cutting fluid recycles Pending CN108081025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611046868.0A CN108081025A (en) 2016-11-23 2016-11-23 A kind of method that cutting fluid recycles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611046868.0A CN108081025A (en) 2016-11-23 2016-11-23 A kind of method that cutting fluid recycles

Publications (1)

Publication Number Publication Date
CN108081025A true CN108081025A (en) 2018-05-29

Family

ID=62170238

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611046868.0A Pending CN108081025A (en) 2016-11-23 2016-11-23 A kind of method that cutting fluid recycles

Country Status (1)

Country Link
CN (1) CN108081025A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109202525A (en) * 2018-11-15 2019-01-15 哈尔滨学院 A kind of machine tool coolant environment-friendly type recycling device
CN109318043A (en) * 2018-09-21 2019-02-12 大连德宇机械有限公司 Lathe emulsification fluid circulation
CN110143681A (en) * 2019-01-29 2019-08-20 广东君道环保科技有限公司 A kind of cutting fluid processing equipment
CN110549774A (en) * 2019-09-06 2019-12-10 西安精雕软件科技有限公司 Centralized processing control method for cutting fluid of engraving center
CN110666584A (en) * 2019-11-26 2020-01-10 温州家泽网络科技有限公司 Concentrated liquid supply cooling liquid circulating system with early warning function

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1721333A (en) * 2004-07-16 2006-01-18 中国科学院大连化学物理研究所 A kind of method of coupling technique processing cutting liquid waste water
CN101444889A (en) * 2007-11-27 2009-06-03 兄弟工业株式会社 Device for filtering cutting fluid
CN104031733A (en) * 2014-06-06 2014-09-10 西安瑞兰环保技术有限公司 Treatment method and separation recovering system of waste cutting liquid
CN104229957A (en) * 2013-06-24 2014-12-24 张家领 Compound flocculant taking natural minerals as main components
JP2015112593A (en) * 2013-12-16 2015-06-22 栗田工業株式会社 Apparatus and method for treating waste water having high hardness
CN205199126U (en) * 2015-12-16 2016-05-04 哈尔滨理工大学 Machining of metals liquid cyclic utilization device
CN205360792U (en) * 2015-12-28 2016-07-06 江苏爱姆欧光电材料有限公司 Automatically cleaning filtration system that connects in parallel
CN105797473A (en) * 2014-12-31 2016-07-27 天津金拓胜科技有限公司 Cutting fluid filtering device
CN205520730U (en) * 2016-04-21 2016-08-31 南安广友五金制品有限公司 Dedicated water tank of digit control machine tool with filtering capability
CN205635237U (en) * 2016-04-08 2016-10-12 四会市格鲁森润滑技术有限公司 Cutting fluid circulation system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1721333A (en) * 2004-07-16 2006-01-18 中国科学院大连化学物理研究所 A kind of method of coupling technique processing cutting liquid waste water
CN101444889A (en) * 2007-11-27 2009-06-03 兄弟工业株式会社 Device for filtering cutting fluid
CN104229957A (en) * 2013-06-24 2014-12-24 张家领 Compound flocculant taking natural minerals as main components
JP2015112593A (en) * 2013-12-16 2015-06-22 栗田工業株式会社 Apparatus and method for treating waste water having high hardness
CN104031733A (en) * 2014-06-06 2014-09-10 西安瑞兰环保技术有限公司 Treatment method and separation recovering system of waste cutting liquid
CN105797473A (en) * 2014-12-31 2016-07-27 天津金拓胜科技有限公司 Cutting fluid filtering device
CN205199126U (en) * 2015-12-16 2016-05-04 哈尔滨理工大学 Machining of metals liquid cyclic utilization device
CN205360792U (en) * 2015-12-28 2016-07-06 江苏爱姆欧光电材料有限公司 Automatically cleaning filtration system that connects in parallel
CN205635237U (en) * 2016-04-08 2016-10-12 四会市格鲁森润滑技术有限公司 Cutting fluid circulation system
CN205520730U (en) * 2016-04-21 2016-08-31 南安广友五金制品有限公司 Dedicated water tank of digit control machine tool with filtering capability

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109318043A (en) * 2018-09-21 2019-02-12 大连德宇机械有限公司 Lathe emulsification fluid circulation
CN109202525A (en) * 2018-11-15 2019-01-15 哈尔滨学院 A kind of machine tool coolant environment-friendly type recycling device
CN109202525B (en) * 2018-11-15 2019-06-11 哈尔滨学院 A kind of machine tool coolant environment-friendly type recycling device
CN110143681A (en) * 2019-01-29 2019-08-20 广东君道环保科技有限公司 A kind of cutting fluid processing equipment
CN110549774A (en) * 2019-09-06 2019-12-10 西安精雕软件科技有限公司 Centralized processing control method for cutting fluid of engraving center
CN110666584A (en) * 2019-11-26 2020-01-10 温州家泽网络科技有限公司 Concentrated liquid supply cooling liquid circulating system with early warning function

Similar Documents

Publication Publication Date Title
CN108081025A (en) A kind of method that cutting fluid recycles
CN202762217U (en) Cutting fluid purifier
US6004470A (en) Apparatus and method for coolant/tramp oil separation
CN203877994U (en) Waste cutting fluid separation and recovery system
CN204976184U (en) Cooling liquid filtering device
CN205838739U (en) A kind of fluorine-contained wastewater treatment system
CN106145253B (en) A kind of multistage high-precision oily-water seperating equipment
CN204619474U (en) A kind of cutting fluid filtration system
CN105498415A (en) Demisting and deoiling apparatus and demisting and deoiling method for oil fog
CN206014525U (en) A kind of exhausting or trade effluent advanced treatment apparatus
CN108946982A (en) Preprocess method and device before a kind of water-oil separating
CN105384216A (en) Separating device of ceramic membrane for waste liquid cycling filtration
CN106045088B (en) A kind of joint multi-grade oil laden water separation process
CN208308805U (en) A kind of cutting fluid regenerative system
CN107470024A (en) A kind of machining center board cooling liquid filtering apparatus
CN106064843A (en) A kind of resistant oily-water seperating equipment
CN106145252B (en) It is a kind of for handling the plural serial stage oil-water separation system of oily wastewater
CN108675480A (en) A kind of stone processed sewage treatment system
CN210048568U (en) Machining factory building effluent treatment plant
CN205287866U (en) A recovery processing device for vacuum pump waste oil
CN101428876B (en) Uses of high-speed dish piece type three-phase centrifuge in treating ternary composite flooding water extraction
CN208747685U (en) A kind of sewage disposal system with except grease function
CN103627508B (en) Processing method and complete equipment of animal grease
CN108504441A (en) A kind of cutting fluid regenerative system
CN205145784U (en) Portable cutting fluid deoiling regenerating unit

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180529

RJ01 Rejection of invention patent application after publication