CN105417802A - Recycling system and recycling method for die-casting waste liquid - Google Patents
Recycling system and recycling method for die-casting waste liquid Download PDFInfo
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- CN105417802A CN105417802A CN201610052543.7A CN201610052543A CN105417802A CN 105417802 A CN105417802 A CN 105417802A CN 201610052543 A CN201610052543 A CN 201610052543A CN 105417802 A CN105417802 A CN 105417802A
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- filtering
- waste liquid
- filtering system
- waste
- mesh bag
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
The invention discloses a recycling system and a recycling method for die-casting waste liquid. The recycling system is provided with a box body, wherein a vacuum filtering system, a waste liquid centralizing pool, a control box, a scraper system, a sterilizing system, a centrifugal filtering system, a net bag filtering system, an electric flocculation system, a bag type filter and a membrane filter are arranged in the box body. The recycling system has the advantages that the processes of suction, filtering, centrifuging (customizing), sterilizing, electric flocculation, gas mixing, recovering of calcium and magnetism ions, bag type filter and membrane filtering are cooperated to use, so the energy-saving and environment-protection effects are realized, and the wealth is created; by using a PLC (programmable logic controller) to control, the high-efficiency operation of equipment is realized, the hourly treatment amount is more than fifty-thousand tons, and the land occupation area is 40 square meters; compared with building of sewage treatment plants, the time, labor and land are saved, the convenience is realized, the physical type is used for treating, the environment-friendly and recycling effects are realized, and the efficiency is high; the treated wastewater can reach the standard of reused water, the equipment is recycled, the energy-saving and emission-reduction effects for oil-containing wastewater are realized, the wastewater is utilized, the resources are protected, and the secondary pollution is prevented.
Description
Technical field
The present invention relates to Industrial Wastewater Treatment and recycle technical field, being specifically related to a kind of die casting waste liquid circulation and using system and using method.
Background technology
The source of oil-containing water body is very wide, be mainly derived from oil production processing, petrochemical complex, metallurgy, mechanical industry, weaving, food-processing industry and sea transport industry etc., main component comprises: light hydrocarbon polymer, heavy hydrocarbon polymer, fuel oil, tar, lubricating oil, fatty oil, cerolein, soap class etc.Numerous oily waste water water sources result in the kind of sewage and character very numerous and diverse.The seriousness of the environmental pollution caused by oily(waste)water just receives showing great attention to of people.In this case, various treatment technologies related to this are also developed.Early stage physics, chemical Treatment effect are not remarkable.Until in recent years, adopted biological degradation method to instead of conventional physics and chemistry method, thus obtained ideal result.But along with the factors such as treatment capacity, place, environmental protection and cost are to the secondary pollution of environment, the simplification of technique becomes crucial.
In all multipaths manufacturing the industry such as field and machining (cold rolling, hot rolling, intermetallic composite coating, acidleach, polishing etc.) all can produce a large amount of oily(waste)waters, especially at the mould water of Die Casting Industry, equipment oil, oil slick, impurity and scrap metal, mix and form waste liquid together, containing a large amount of bacteriums, huge difficulty is brought to aftertreatment, right environmental requirement harsh, the emission standard of waste water is improved constantly, a large amount of waste water is that the wastewater treatment of enterprise brings expensive, and everything all governs the development of enterprise.Traditional treatment process (chemical demulsification method, air-floatation process with, various gravitational separation processes etc.) not only cannot effectively oil removing, produces the secondary pollutions such as a large amount of reluctant waste oil mud, can not reach sewage drainage standard.The shortcomings such as also have treatment process tediously long, processing cost is high, and floor space is large.There is bottleneck in the domestic process to high concentration mechanical processing waste water, its COD successfully can be down to thousands of mg/L by many combined treatment process, but it is but very difficult to want to improve processing efficiency further.
Summary of the invention
The object of the invention is to make up the deficiencies in the prior art, providing a kind of die casting waste liquid circulation of secondary pollution that prevents and using system and recycling method.
In order to reach object of the present invention, technical scheme is as follows:
A kind of die casting waste liquid circulation uses system, there is casing, it is characterized in that, vacuum filtering system, waste liquid centralized pool, controlling box, scraping plates system, disinfection system, centrifuging system, mesh bag filtering system, electric flocculation system, deep bed filter and film filter is provided with in described casing, mesh bag filtering system and scraping plates system lay respectively at the two ends in casing
Vacuum filtering system is connected with waste liquid centralized pool, and waste liquid centralized pool is connected with centrifuging system, is provided with vacuum pumping pump in vacuum filtering system, removes chip and greasy dirt by vacuumizing;
Centrifuging system is also connected with mesh bag filtering system, and centrifuging system comprises the vacuum drawing liquid separating and filtering system of filtration waste residue and the two separating and filtering system of high speed for filtering waste oil and waste residue:
Disinfection system is connected with the two separating and filtering system of high speed, electricity flocculation system is connected with disinfection system, and scraping plates system is connected with electric flocculation system, and mesh bag filtering system is connected with scraping plates system, film filter is connected with mesh bag filtering system, and deep bed filter is connected with film filter.
Preferably, gas-liquid mixed flow system is provided with in described scraping plates system.
Preferably, described mesh bag filtering system is that 12500 order net-bag types filter.
A kind of die casting waste liquid circulation using method, is characterized in that, comprise step:
Described vacuum filtering system extracts chip and greasy dirt out, filter fine solid particles to 0.02mm, with the traffic filtering of 4000 liters per hour, filtering system automatic cleaning, recycle, carry out concentrating cleaning to scrap, realize the recovery of scrap, vacuum filtering system is delivered to waste liquid centralized pool by through the preliminary die casting waste liquid filtered;
After the filtration of vacuum drawing liquid separating and filtering system, in the two separating and filtering system of filtrate 4000L flow hourly feeding high speed, mesh bag filtering system sent into by waste residue, and the solid waste unification gone out from mesh bag filtration system filters processes, filtrate sends into waste liquid centralized pool again; Filtrate after filtering from vacuum drawing liquid separating and filtering system is sent in the two separating and filtering system of high speed, minimum separation particle diameter 0.2 μm, waste oil residual quantity 4 ‰, mesh bag filtering system sent into by the waste oil filtered out and waste residue, realize classification to reclaim, the releasing agent filtered out and mould water send into disinfection system sterilization;
Filtrate after disinfection system sterilization enters in electric flocculation system, the metal ion in water, silicon is decomposed;
Filtrate after electric flocculation system enters in scraping plates system;
Waste liquid feeding mesh bag filtering system after scraping plates system removes the solid waste in waste liquid again, and the waste liquid after filtration sends into film filter, sends into deep bed filter again and filter after filtration.
The beneficial effect that the present invention has:
-every collaborative the use of calcium ions and magnesium ions recovery-deep bed filter-membrane filtration is mixed from extraction-filtration-centrifugal (customization)-sterilization-electricity flocculation-gas, effectively the metallic particles in waste liquid, impurity, waste oil, waste water, releasing agent can be carried out classification process, realize the reuse of waste water, can be used for the aspect such as allotment of mould water, releasing agent.Realization is turned waste into wealth, energy-saving and emission-reduction, for enterprise creates larger wealth.Controlled by PLC, realize the high-efficient operation of equipment, treatment capacity per hour up to five tons, floor space 40 square meter, build sewage work on year-on-year basis, save time, laborsaving, economize ground, convenient, physics mode process, friendly to environment, recycle, high-efficiency environment friendly.
The waste water processed reaches recycle water standard, circulating-use equipment, relates to the energy-saving and emission-reduction of oily(waste)water, water reuse, reserved resource, prevents secondary pollution.
Accompanying drawing explanation
Fig. 1 is the structural representation that die casting waste liquid circulation of the present invention uses system;
Fig. 2 is the main TV structure schematic diagram that die casting waste liquid circulation of the present invention uses system.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but protection scope of the present invention is not only confined to embodiment.
As shown in Figure 1 and Figure 2, a kind of die casting waste liquid circulation uses system, there is casing 10, in casing 10, be provided with controlling box 2, vacuum filtering system, scraping plates system 3, disinfection system 1, centrifuging system 4, mesh bag filtering system 7, electric flocculation system 6, waste liquid centralized pool, deep bed filter 8 and film filter 5.Mesh bag filtering system 7 and scraping plates system 3 lay respectively at the two ends in casing 10, and described mesh bag filtering system is that 12500 order net-bag types filter.Centrifuging system 4 is positioned at the middle part of casing 10, electricity flocculation system 6, deep bed filter 8 and film filter 5 are located between mesh bag filtering system 7 and centrifuging system 4, disinfection system 1 is located at the side of scraping plates system 3, the sidepiece of casing 10 is located at by controlling box 2, controlling box 2 can the running of full-automatic control equipment, comprise the monitoring pH value of metal working fluid, concentration and residual content, and the control treatment time, filter and add metal working fluid etc.
Vacuum filtering system (not illustrating) is connected with waste liquid centralized pool (not illustrating), and waste liquid centralized pool is connected with centrifuging system 4, is provided with vacuum pumping pump in vacuum filtering system, removes chip and greasy dirt by vacuumizing; Described vacuum filtering system is delivered to waste liquid centralized pool by through the preliminary die casting waste liquid filtered;
Centrifuging system 4 is also connected with mesh bag filtering system 7, centrifuging system comprises the vacuum drawing liquid separating and filtering system of filtration waste residue and the two separating and filtering system of high speed for filtering waste oil and waste residue: after vacuum drawing liquid separating and filtering system is filtered, filtrate is sent in the two separating and filtering system of high speed, mesh bag filtering system sent into by waste residue, and the solid waste unification filtered out from mesh bag filtering system 7 processes, filtrate sends into waste liquid centralized pool again;
Disinfection system 1 is connected with the two separating and filtering system of high speed, filtrate after filtering from vacuum drawing liquid separating and filtering system is sent in the two separating and filtering system of high speed, mesh bag filtering system 7 sent into by the waste oil filtered out and waste residue, after mesh bag filtering system 7 is filtered, waste oil processes with above-mentioned the same unification with waste residue, and remaining waste liquid sends into waste liquid centralized pool again.And the releasing agent filtered out through at a high speed two separating and filtering system and mould water send into disinfection system 1 sterilization.By clean liquid sterilization technology, make bacterium in mixed solution be inhibited and kill, sterilant is sustainable carries out anti-bacteria regeneration, realizes life-time service.Sterilization effect can reach the use standard of tap water.
Electricity flocculation system 6 is connected with disinfection system 1, and the filtrate after disinfection system 1 sterilization enters in electric flocculation system 6, the metal ion in water, silicon is decomposed; Calcium ions and magnesium ions in waste liquid is adsorbed, reduces waste water hardness, realize deep clean.
Scraping plates system 3 is connected with electric flocculation system 6, and the filtrate after electric flocculation system 6 enters in scraping plates system 3.Gas-liquid mixed flow system is provided with in described scraping plates system.Waste liquid is processed by gas-fluid mixing systems, the suction port of gas-fluid mixing systems utilizes suction function suction gas, and liquid and gas and vapor permeation stir by the pump impeller of high speed rotating, due to the pressurization mixing in pump, gas and liquid fully dissolve, and dissolved efficiency can reach more than 95%.By the motion of micro-bubble in solution, drive the small suspended particle in solution and bubble incorporation, floating liquid level, by scraper plate, realizes again cleaning of clean liquid.
Mesh bag filtering system 7 is connected with scraping plates system 3, film filter 5 is connected with mesh bag filtering system 7, deep bed filter 8 is connected with film filter 5, waste liquid feeding mesh bag filtering system 7 after scraping plates system 3 removes the solid waste in waste liquid again, waste liquid after filtration sends into film filter 5, sends into deep bed filter again and filter after filtration.
The cutting fluid of oily(waste)water and skim surface oil slick is focused on, carried out to concentrated pressure filtration (the regular backwash of filter bag except the waste liquid (except waste oil) that all process steps is produced, prevent blocking), waste residue is separated with waste water, waste water after separation enters waste liquid tank and carries out art breading again, and the liquid waste disposal amount of every day is no more than 100L.Realize waste oil waste residue to turn waste into wealth, waste liquid discharges less!
According to the water quality requirement to reuse water in " HG/T3923-2007 recirculated cooling water Standard of reclaimed water " and " GB50050-2007 Code for design of industrial recirculating cooling water treatment ".The system of the application of the invention, the detected result after die casting liquid waste disposal is as follows:
Last it is noted that above embodiment only in order to illustrate the present invention and and unrestricted technical scheme described in the invention, therefore, although this specification sheets with reference to each above-mentioned embodiment to present invention has been detailed description, but, those of ordinary skill in the art is to be understood that, still can modify to the present invention or equivalent replacement, and all do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, it all should be encompassed in right of the present invention.
Claims (4)
1. a die casting waste liquid circulation uses system, there is casing (10), it is characterized in that, vacuum filtering system, waste liquid centralized pool, controlling box (2), scraping plates system (3), disinfection system (1), centrifuging system (4), mesh bag filtering system (7), electric flocculation system (6), deep bed filter (8) and film filter (5) is provided with in described casing, mesh bag filtering system and scraping plates system lay respectively at the two ends in casing
Vacuum filtering system is connected with waste liquid centralized pool, and waste liquid centralized pool is connected with centrifuging system, is provided with vacuum pumping pump in vacuum filtering system, removes chip and greasy dirt by vacuumizing;
Centrifuging system is also connected with mesh bag filtering system, and centrifuging system comprises the vacuum drawing liquid separating and filtering system of filtration waste residue and the two separating and filtering system of high speed for filtering waste oil and waste residue:
Disinfection system is connected with the two separating and filtering system of high speed, electricity flocculation system is connected with disinfection system, and scraping plates system is connected with electric flocculation system, and mesh bag filtering system is connected with scraping plates system, film filter is connected with mesh bag filtering system, and deep bed filter is connected with film filter.
2. die casting waste liquid circulation according to claim 1 uses system, it is characterized in that, is provided with gas-liquid mixed flow system in described scraping plates system.
3. die casting waste liquid circulation according to claim 1 uses system, it is characterized in that, described mesh bag filtering system is that 12500 order net-bag types filter.
4. a die casting waste liquid circulation using method, is characterized in that, comprises step:
Described vacuum filtering system extracts chip and greasy dirt out, filter fine solid particles to 0.02mm, with the traffic filtering of 4000 liters per hour, filtering system automatic cleaning, recycle, carry out concentrating cleaning to scrap, realize the recovery of scrap, vacuum filtering system is delivered to waste liquid centralized pool by through the preliminary die casting waste liquid filtered;
After the filtration of vacuum drawing liquid separating and filtering system, in the two separating and filtering system of filtrate 4000L flow hourly feeding high speed, mesh bag filtering system sent into by waste residue, and the solid waste unification gone out from mesh bag filtration system filters processes, filtrate sends into waste liquid centralized pool again; Filtrate after filtering from vacuum drawing liquid separating and filtering system is sent in the two separating and filtering system of high speed, minimum separation particle diameter 0.2 μm, waste oil residual quantity 4 ‰, mesh bag filtering system sent into by the waste oil filtered out and waste residue, realize classification to reclaim, the releasing agent filtered out and mould water send into disinfection system sterilization;
Filtrate after disinfection system sterilization enters in electric flocculation system, the metal ion in water, silicon is decomposed;
Filtrate after electric flocculation system enters in scraping plates system;
Waste liquid feeding mesh bag filtering system after scraping plates system removes the solid waste in waste liquid again, and the waste liquid after filtration sends into film filter, sends into deep bed filter again and filter after filtration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610052543.7A CN105417802B (en) | 2016-01-26 | 2016-01-26 | A kind of die casting waste liquid circulation uses system and recycling method |
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| CN201610052543.7A CN105417802B (en) | 2016-01-26 | 2016-01-26 | A kind of die casting waste liquid circulation uses system and recycling method |
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| CN105417802A true CN105417802A (en) | 2016-03-23 |
| CN105417802B CN105417802B (en) | 2018-08-28 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115999A (en) * | 2016-08-30 | 2016-11-16 | 宁波市法莱欣科技有限公司 | A kind of releasing agent energy-conserving and environment-protective retracting device |
| CN107777811A (en) * | 2016-08-30 | 2018-03-09 | 宜兴市锦桢铸造材料有限公司 | Releasing agent retracting device |
| CN109224609A (en) * | 2018-10-10 | 2019-01-18 | 北京德高洁清洁设备有限公司 | Vacuum solid-liquid separation recovery device |
| CN111943388A (en) * | 2020-09-12 | 2020-11-17 | 张池明 | Release agent recycling equipment |
| CN114772810A (en) * | 2022-03-31 | 2022-07-22 | 东莞市凯瑞科技有限公司 | Automatic filtering and proportioning equipment for waste liquid treatment |
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| CN102115286A (en) * | 2009-12-30 | 2011-07-06 | 凯膜特种分离技术(上海)有限公司 | Treatment method for recycling coking wastewater and assembled treatment system |
| CN203803199U (en) * | 2013-11-07 | 2014-09-03 | 昆山辰芳环保科技有限公司 | Purifier for cutting fluid |
| CN205347060U (en) * | 2016-01-26 | 2016-06-29 | 昆山辰芳环保科技有限公司 | Die -casting waste liquid recycles system |
-
2016
- 2016-01-26 CN CN201610052543.7A patent/CN105417802B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6761820B2 (en) * | 2002-08-13 | 2004-07-13 | Air And Liquid Systems, Inc. | Paint-sludge filtration system featuring pool aeration using high-pressure discharge from filter vacuum producer |
| CN102115286A (en) * | 2009-12-30 | 2011-07-06 | 凯膜特种分离技术(上海)有限公司 | Treatment method for recycling coking wastewater and assembled treatment system |
| CN203803199U (en) * | 2013-11-07 | 2014-09-03 | 昆山辰芳环保科技有限公司 | Purifier for cutting fluid |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115999A (en) * | 2016-08-30 | 2016-11-16 | 宁波市法莱欣科技有限公司 | A kind of releasing agent energy-conserving and environment-protective retracting device |
| CN107777811A (en) * | 2016-08-30 | 2018-03-09 | 宜兴市锦桢铸造材料有限公司 | Releasing agent retracting device |
| CN109224609A (en) * | 2018-10-10 | 2019-01-18 | 北京德高洁清洁设备有限公司 | Vacuum solid-liquid separation recovery device |
| CN111943388A (en) * | 2020-09-12 | 2020-11-17 | 张池明 | Release agent recycling equipment |
| CN114772810A (en) * | 2022-03-31 | 2022-07-22 | 东莞市凯瑞科技有限公司 | Automatic filtering and proportioning equipment for waste liquid treatment |
| CN114772810B (en) * | 2022-03-31 | 2023-10-24 | 东莞市凯瑞科技有限公司 | Automatic filtering proportioning equipment for waste liquid treatment |
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| CN105417802B (en) | 2018-08-28 |
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