CN110590008A - Waste cutting fluid treatment process - Google Patents

Waste cutting fluid treatment process Download PDF

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Publication number
CN110590008A
CN110590008A CN201910802943.9A CN201910802943A CN110590008A CN 110590008 A CN110590008 A CN 110590008A CN 201910802943 A CN201910802943 A CN 201910802943A CN 110590008 A CN110590008 A CN 110590008A
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CN
China
Prior art keywords
water
cutting fluid
waste
oil
solid impurities
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Pending
Application number
CN201910802943.9A
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Chinese (zh)
Inventor
陈云
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Sichuan Blue Cube Environmental Technology Co Ltd
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Sichuan Blue Cube Environmental Technology Co Ltd
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Priority to CN201910802943.9A priority Critical patent/CN110590008A/en
Publication of CN110590008A publication Critical patent/CN110590008A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/122Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M175/00Working-up used lubricants to recover useful products ; Cleaning
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M175/00Working-up used lubricants to recover useful products ; Cleaning
    • C10M175/0016Working-up used lubricants to recover useful products ; Cleaning with the use of chemical agents
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M175/00Working-up used lubricants to recover useful products ; Cleaning
    • C10M175/04Working-up used lubricants to recover useful products ; Cleaning aqueous emulsion based
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/24Treatment of water, waste water, or sewage by flotation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/38Treatment of water, waste water, or sewage by centrifugal separation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/725Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/16Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

The invention discloses a waste cutting fluid treatment process which comprises the following steps of S1, filtering partial solid impurities in waste cutting fluid by a filtering system, S2, separating oil-water mixture and solid impurities by a separating system, S4, generating fine bubbles after air enters an air floating device along with materialized clear liquid, bringing suspended particles or oil drops in water to the water surface to form floating slag, scraping the floating slag to a sludge tank by using a slag scraping device, pumping the floating slag into a sludge concentration tank by using a pump, automatically pumping clear water into a clear water tank, and then pumping the clear water into a waste water deep treatment system, S5, conveying the solid impurities, thick slurry and floating slag collected by the sludge concentration tank into a plate-and-frame filter press, pressing out the solid impurities, thick slurry and water carried in the floating slag by using the plate-and-frame filter press, and obtaining sludge with the water content of 40 ~ 80% after filter press.

Description

Waste cutting fluid treatment process
Technical Field
The invention relates to the technical field of waste cutting fluid treatment, in particular to a waste cutting fluid treatment process.
Background
In the process of machining parts, a machine tool is needed to finish machining, the machine tool drives a cutter to machine the parts, cutting fluid needs to be sprayed to a machining part in the machining process, and the cutting fluid has the effect of reducing the surface temperature of the parts and the cutter. However, a large amount of waste cutting fluid is generated after use, the waste cutting fluid contains a large amount of substances such as COD and oil stain which are difficult to degrade, and if the cutting fluid is not treated and is directly discharged, serious pollution is undoubtedly caused to the environment. The existing treatment process can only carry out primary treatment on the waste cutting fluid and cannot further treat the waste cutting fluid, namely, the discharged clear water still has the problem that COD is difficult to reach the standard and discharge, and the defect of incomplete treatment exists. In addition, since the waste cutting fluid contains a large amount of oil, the oil is not effectively used. Therefore, there is a need for a waste cutting fluid treatment process that can recycle waste oil and achieve the discharge standard after treatment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the waste cutting fluid treatment process which can recycle waste oil, reduce the treatment cost of the waste cutting fluid, ensure that the treated waste fluid reaches the discharge standard and has simple process.
The purpose of the invention is realized by the following technical scheme: a waste cutting fluid treatment process comprises the following steps:
s1, pumping the waste cutting fluid into a filtering system by using a water pump, and filtering out partial solid impurities in the waste cutting fluid by using the filtering system;
s2, pumping the filtered waste cutting fluid into a separation system with the rotating speed of 10000 ~ 15000r/min, wherein the oil-water mixture and the solid impurities are respectively removed from a solid-liquid outlet of the separation system after the waste cutting fluid runs for 0.5 ~ 8h under the action of centrifugal force due to different densities of oil, water and solid impurities in the waste cutting fluid;
s3, enabling solid impurities separated in the step S2 to automatically flow into a sludge concentration tank, enabling a separated oil-water mixture to automatically flow into a clarification device, naturally layering oil and water after standing for 2 ~ 12h, pumping the oil on the upper layer into a waste oil storage tank for temporary storage, discharging the waste water on the lower layer into a physical and chemical system, adding a pH regulator into the physical and chemical system until the pH of the waste water is 6 ~ 9, adding PAC and PAM into the physical and chemical system after the pH is adjusted to be in place, and flocculating and settling fine impurities and suspended matters in the waste water to form thick slurry;
s4, introducing air into the air flotation device by using an air compressor, introducing the air and clear liquid into the air flotation device, generating micro-bubbles after air pressure relief, carrying suspended particles or oil drops in the clear liquid to the water surface to form scum in the upward floating process of the micro-bubbles, scraping the scum to a sludge tank by using a scum scraping device, pumping the scum into a sludge concentration tank by using a pump, and pumping clear water into a clear water tank by self flow and then into a wastewater deep treatment system;
s5, conveying the solid impurities, the thick slurry and the scum collected by the sludge concentration tank into a plate-and-frame filter press, setting the pressure of the plate-and-frame filter press to be 0.6 ~ 15barA, and the filter pressing time to be 2 ~ 6h, pressing out the water carried in the solid impurities, the thick slurry and the scum by the plate-and-frame filter press, and obtaining the sludge with the water content of 40 ~ 80% after filter pressing.
The sludge in step S5 is subjected to outsourcing.
And in the step S4, the clear water entering the wastewater advanced treatment system is subjected to catalytic oxidation treatment.
The invention has the following advantages: the invention reuses waste oil, reduces the treatment cost of waste cutting fluid, ensures that the treated waste fluid reaches the discharge standard, and has simple process.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
the first embodiment is as follows: as shown in fig. 1, a process for treating a waste cutting fluid, comprising the steps of:
s1, pumping the waste cutting fluid into a filtering system by using a water pump, and filtering out partial solid impurities in the waste cutting fluid by using the filtering system;
s2, pumping the filtered waste cutting fluid into a separation system with the rotating speed of 10000r/min, wherein the oil-water mixture and the solid impurities are respectively removed from a solid-liquid outlet of the separation system after the waste cutting fluid runs for 8 hours under the action of centrifugal force due to different densities of oil, water and solid impurities in the waste cutting fluid;
s3, the solid impurities removed in the step S2 automatically flow into a sludge concentration tank; the separated oil-water mixture automatically flows into a clarifying device, after standing for 2 hours, oil and water are naturally layered, the oil on the upper layer is pumped into a waste oil storage tank for temporary storage, and the wastewater on the lower layer is discharged into a materialization system; adding a pH regulator into the materialization system until the pH of the wastewater is 6, adding PAC and PAM into the materialization system after the pH is regulated to a proper position, and flocculating and settling fine impurities and suspended matters in the wastewater to obtain thick slurry; discharging the thick slurry settled at the bottom of the materialization system into a sludge concentration tank, and automatically flowing the clear liquid at the upper part of the materialization system into an air floatation device;
s4, introducing air into the air flotation device by using an air compressor, allowing the air and clear liquid to enter the air flotation device, releasing pressure by using the air compressor to generate micro bubbles, carrying suspended particles or oil drops in the clear liquid to the water surface to form scum in the upward floating process of the micro bubbles, scraping the scum to a sludge tank by using a scum scraping device, pumping the scum into a sludge concentration tank by using a pump, automatically flowing clear water to the clear water tank, pumping the clear water into a wastewater advanced treatment system, performing catalytic oxidation treatment on the clear water entering the wastewater advanced treatment system, and thoroughly removing pollutants such as COD (chemical oxygen demand), ammonia nitrogen and the like in the wastewater. Therefore, the invention sequentially processes the scrap waste liquid through a filtering system, a separating system, a clarifying device, a physicochemical system, an air flotation device and a wastewater advanced treatment system, recycles oil in the waste liquid in a physical and chemical mode through six-stage treatment, and simultaneously processes pollution factors such as COD (chemical oxygen demand), animal and vegetable oil and the like, thereby ensuring that the finally discharged wastewater meets the national discharge standard;
s5, conveying the solid impurities, the thick slurry and the scum collected by the sludge concentration tank to a plate-and-frame filter press, setting the pressure of the plate-and-frame filter press to be 0.6barA, performing filter pressing for 2 hours, pressing out the water carried in the solid impurities, the thick slurry and the scum by the plate-and-frame filter press, obtaining sludge with the water content of 80% after filter pressing, and performing outsourcing treatment on the sludge.
Example two: a waste cutting fluid treatment process comprises the following steps:
s1, pumping the waste cutting fluid into a filtering system by using a water pump, and filtering out partial solid impurities in the waste cutting fluid by using the filtering system;
s2, pumping the filtered waste cutting fluid into a separation system with the rotation speed of 13000r/min, wherein the oil-water mixture and the solid impurities are respectively removed from a solid-liquid outlet of the separation system after the waste cutting fluid runs for 5 hours under the action of centrifugal force due to different densities of oil, water and solid impurities in the waste cutting fluid;
s3, the solid impurities removed in the step S2 automatically flow into a sludge concentration tank; the separated oil-water mixture automatically flows into a clarifying device, after standing for 6 hours, oil and water are naturally layered, the oil on the upper layer is pumped into a waste oil storage tank for temporary storage, and the wastewater on the lower layer is discharged into a materialization system; adding a pH regulator into the materialization system until the pH of the wastewater is 7, and adding PAC and PAM into the materialization system after the pH is regulated to a proper position, wherein fine impurities and suspended matters in the wastewater are flocculated and settled to become thick slurry; discharging the thick slurry settled at the bottom of the materialization system into a sludge concentration tank, and automatically flowing the clear liquid at the upper part of the materialization system into an air floatation device;
s4, introducing air into the air flotation device by using an air compressor, allowing the air and clear liquid to enter the air flotation device, releasing pressure by using the air compressor to generate micro bubbles, carrying suspended particles or oil drops in the clear liquid to the water surface to form scum in the upward floating process of the micro bubbles, scraping the scum to a sludge tank by using a scum scraping device, pumping the scum into a sludge concentration tank by using a pump, automatically flowing clear water to the clear water tank, pumping the clear water into a wastewater advanced treatment system, performing catalytic oxidation treatment on the clear water entering the wastewater advanced treatment system, and thoroughly removing pollutants such as COD (chemical oxygen demand), ammonia nitrogen and the like in the wastewater. Therefore, the invention sequentially processes the scrap waste liquid through a filtering system, a separating system, a clarifying device, a physicochemical system, an air flotation device and a wastewater advanced treatment system, recycles oil in the waste liquid in a physical and chemical mode through six-stage treatment, and simultaneously processes pollution factors such as COD (chemical oxygen demand), animal and vegetable oil and the like, thereby ensuring that the finally discharged wastewater meets the national discharge standard;
s5, conveying the solid impurities, the thick slurry and the scum collected by the sludge concentration tank to a plate-and-frame filter press, setting the pressure of the plate-and-frame filter press to be 8barA, performing filter pressing for 2 hours, pressing out the solid impurities, the thick slurry and the water carried in the scum by the plate-and-frame filter press to obtain sludge with the water content of 60% after filter pressing, and performing outsourcing treatment on the sludge.
Example three: a waste cutting fluid treatment process comprises the following steps:
s1, pumping the waste cutting fluid into a filtering system by using a water pump, and filtering out partial solid impurities in the waste cutting fluid by using the filtering system;
s2, pumping the filtered waste cutting fluid into a separation system with the rotation speed of 15000r/min, wherein the oil-water mixture and the solid impurities are respectively removed from a solid-liquid outlet of the separation system after the waste cutting fluid runs for 0.5h under the action of centrifugal force due to different densities of oil, water and solid impurities in the waste cutting fluid;
s3, the solid impurities removed in the step S2 automatically flow into a sludge concentration tank; the separated oil-water mixture automatically flows into a clarifying device, after standing for 12h, oil and water are naturally layered, the oil on the upper layer is pumped into a waste oil storage tank for temporary storage, and the wastewater on the lower layer is discharged into a materialization system; adding a pH regulator into the materialization system until the pH of the wastewater is 9, adding PAC and PAM into the materialization system after the pH is regulated to a proper position, and flocculating and settling fine impurities and suspended matters in the wastewater to obtain thick slurry; discharging the thick slurry settled at the bottom of the materialization system into a sludge concentration tank, and automatically flowing the clear liquid at the upper part of the materialization system into an air floatation device;
s4, introducing air into the air flotation device by using an air compressor, allowing the air and clear liquid to enter the air flotation device, releasing pressure by using the air compressor to generate micro bubbles, carrying suspended particles or oil drops in the clear liquid to the water surface to form scum in the upward floating process of the micro bubbles, scraping the scum to a sludge tank by using a scum scraping device, pumping the scum into a sludge concentration tank by using a pump, automatically flowing clear water to the clear water tank, pumping the clear water into a wastewater advanced treatment system, performing catalytic oxidation treatment on the clear water entering the wastewater advanced treatment system, and thoroughly removing pollutants such as COD (chemical oxygen demand), ammonia nitrogen and the like in the wastewater. Therefore, the invention sequentially processes the scrap waste liquid through a filtering system, a separating system, a clarifying device, a physicochemical system, an air flotation device and a wastewater advanced treatment system, recycles oil in the waste liquid in a physical and chemical mode through six-stage treatment, and simultaneously processes pollution factors such as COD (chemical oxygen demand), animal and vegetable oil and the like, thereby ensuring that the finally discharged wastewater meets the national discharge standard;
s5, conveying the solid impurities, the thick slurry and the scum collected by the sludge concentration tank to a plate-and-frame filter press, setting the pressure of the plate-and-frame filter press to be 15barA, performing filter pressing for 2 hours, pressing out the solid impurities, the thick slurry and the water carried in the scum by the plate-and-frame filter press to obtain sludge with the water content of 40%, and performing outsourcing treatment on the sludge.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (3)

1. A waste cutting fluid treatment process is characterized in that: it comprises the following steps:
s1, pumping the waste cutting fluid into a filtering system by using a water pump, and filtering out partial solid impurities in the waste cutting fluid by using the filtering system;
s2, pumping the filtered waste cutting fluid into a separation system with the rotating speed of 10000 ~ 15000r/min, wherein the oil-water mixture and the solid impurities are respectively removed from a solid-liquid outlet of the separation system after the waste cutting fluid runs for 0.5 ~ 8h under the action of centrifugal force due to different densities of oil, water and solid impurities in the waste cutting fluid;
s3, enabling solid impurities separated in the step S2 to automatically flow into a sludge concentration tank, enabling a separated oil-water mixture to automatically flow into a clarification device, naturally layering oil and water after standing for 2 ~ 12h, pumping the oil on the upper layer into a waste oil storage tank for temporary storage, discharging the waste water on the lower layer into a physical and chemical system, adding a pH regulator into the physical and chemical system until the pH of the waste water is 6 ~ 9, adding PAC and PAM into the physical and chemical system after the pH is adjusted to be in place, and flocculating and settling fine impurities and suspended matters in the waste water to form thick slurry;
s4, introducing air into the air flotation device by using an air compressor, introducing the air and clear liquid into the air flotation device, generating micro-bubbles after air pressure relief, carrying suspended particles or oil drops in the clear liquid to the water surface to form scum in the upward floating process of the micro-bubbles, scraping the scum to a sludge tank by using a scum scraping device, pumping the scum into a sludge concentration tank by using a pump, and pumping clear water into a clear water tank by self flow and then into a wastewater deep treatment system;
s5, conveying the solid impurities, the thick slurry and the scum collected by the sludge concentration tank into a plate-and-frame filter press, setting the pressure of the plate-and-frame filter press to be 0.6 ~ 15barA, and the filter pressing time to be 2 ~ 6h, pressing out the water carried in the solid impurities, the thick slurry and the scum by the plate-and-frame filter press, and obtaining the sludge with the water content of 40 ~ 80% after filter pressing.
2. The process according to claim 1, wherein the treatment of the used cutting fluid comprises: the sludge in step S5 is subjected to outsourcing.
3. The process according to claim 1, wherein the treatment of the used cutting fluid comprises: and in the step S4, the clear water entering the wastewater advanced treatment system is subjected to catalytic oxidation treatment.
CN201910802943.9A 2019-08-28 2019-08-28 Waste cutting fluid treatment process Pending CN110590008A (en)

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CN201910802943.9A CN110590008A (en) 2019-08-28 2019-08-28 Waste cutting fluid treatment process

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111548850A (en) * 2020-05-11 2020-08-18 华辰环保能源(广州)有限责任公司 Method for treating and recycling cutting fluid and recovering precipitated sludge product

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110111946A (en) * 2010-04-06 2011-10-12 오씨아이 주식회사 Recycling method for waste sludge formed by solar cell wafer manufacturing and recycling system thereof
US20110272362A1 (en) * 2008-07-23 2011-11-10 Aquero Company, Llc Flotation and Separation of Flocculated Oils and Solids from Waste Waters
CN105540897A (en) * 2016-01-26 2016-05-04 昆山辰芳环保科技有限公司 Cutting fluid cleaning system and method
CN105693015A (en) * 2016-01-27 2016-06-22 山东省环保产业股份有限公司 Treatment method of cutting fluid wastewater of automobile engine
CN107176707A (en) * 2017-06-26 2017-09-19 嘉兴英施特环保科技有限公司 Machine cutting fluid waste liquid treatment for reuse technique and system
CN108911321A (en) * 2018-06-15 2018-11-30 蔡赛泉 The method of cutting fluid waste liquid water-oil separating

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110272362A1 (en) * 2008-07-23 2011-11-10 Aquero Company, Llc Flotation and Separation of Flocculated Oils and Solids from Waste Waters
KR20110111946A (en) * 2010-04-06 2011-10-12 오씨아이 주식회사 Recycling method for waste sludge formed by solar cell wafer manufacturing and recycling system thereof
CN105540897A (en) * 2016-01-26 2016-05-04 昆山辰芳环保科技有限公司 Cutting fluid cleaning system and method
CN105693015A (en) * 2016-01-27 2016-06-22 山东省环保产业股份有限公司 Treatment method of cutting fluid wastewater of automobile engine
CN107176707A (en) * 2017-06-26 2017-09-19 嘉兴英施特环保科技有限公司 Machine cutting fluid waste liquid treatment for reuse technique and system
CN108911321A (en) * 2018-06-15 2018-11-30 蔡赛泉 The method of cutting fluid waste liquid water-oil separating

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
汪德涛: "《润滑技术手册》", 30 April 1999, 机械工业出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111548850A (en) * 2020-05-11 2020-08-18 华辰环保能源(广州)有限责任公司 Method for treating and recycling cutting fluid and recovering precipitated sludge product
CN111548850B (en) * 2020-05-11 2022-06-17 华辰环保能源(广州)有限责任公司 Method for treating and recycling cutting fluid and recovering precipitated sludge product

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