CN105800829A - Treatment system for magnetic and muddy waste water - Google Patents

Treatment system for magnetic and muddy waste water Download PDF

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Publication number
CN105800829A
CN105800829A CN201610273030.9A CN201610273030A CN105800829A CN 105800829 A CN105800829 A CN 105800829A CN 201610273030 A CN201610273030 A CN 201610273030A CN 105800829 A CN105800829 A CN 105800829A
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CN
China
Prior art keywords
waste water
water
filtration unit
sedimentation tank
ultra filtration
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
CN201610273030.9A
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Chinese (zh)
Inventor
洪阳
曾亿青
孙林森
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.)
Anhui Baibang Environment Engineering Co Ltd
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Anhui Baibang Environment Engineering 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
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Priority to CN201610273030.9A priority Critical patent/CN105800829A/en
Publication of CN105800829A publication Critical patent/CN105800829A/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
    • C02F9/00Multistage treatment of water, waste water or sewage
    • 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
    • C02F1/40Devices 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
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • 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
    • 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
    • C02F1/5281Installations for water purification using chemical 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
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention discloses a treatment system for magnetic and muddy waste water. The treatment system comprises an oil separation tank, a dissolved-air flotation machine, a sedimentation tank and an ultrafiltration unit which are arranged in sequence, wherein oil-removed waste water which is generated after oil in the magnetic and muddy waste water is removed by the oil separation tank is conveyed into the dissolved-air flotation machine by a lifting pump; a water inlet and a water outlet 32 of the sedimentation tank are respectively communicated with a sewage outlet of the dissolved-air flotation machine and a liquid inlet of the ultrafiltration unit; water generated by ultrafiltration of the ultrafiltration unit is recycled for reuse. In practical use, the magnetic and muddy waste water is firstly introduced into the oil separation tank for oil removing treatment, impurities in oil-removed waste water after oil removal are removed by coagulating reaction of the dissolved-air flotation machine, sedimentation of the sedimentation tank and ultrafiltration of the ultrafiltration unit in sequence, and then the water finally discharged from a permeating-liquid outlet of the ultrafiltration unit can be directly discharged or recycled for reuse. The treatment system disclosed by the invention has the advantages that the structure is simple, the magnetic and muddy waste water generated from processing of the magnetic material can be effectively treated, and the use effect is good.

Description

The process system of magnetic mud waste water
Technical field
The present invention relates to magnetic material manufacture field, be specifically related to the process system of a kind of magnetic mud waste water.
Background technology
Magnet material needs to spray saponification liquor (i.e. releasing agent) in the mould of magnet before extrusion forming, to facilitate the complete demoulding of magnet material, this allows for magnet material in adding magnetic mud waste water produced by man-hour containing iron powder, saponification liquor and wet goods, therefore directly environment not only can be caused severe contamination by outer row, and will also result in the waste of resource.For this, magnet processing enterprise in process of production, is necessarily required to build the process system of a set of magnetic mud waste water, to ensure that cleaning produces.
Summary of the invention
It is an object of the invention to provide a kind of simple in construction, rationally distributed and can effectively process the process system of magnetic mud waste water.
To achieve these goals, the technical solution used in the present invention is: the process system of a kind of magnetic mud waste water, it is characterized in that: include the oil interceptor, dissolved gas floatator, sedimentation tank and the ultra filtration unit that are sequentially arranged, the oil removing waste water that magnetic mud waste water produces after oil interceptor oil removing is delivered in dissolved gas floatator by elevator pump, the water inlet of sedimentation tank, outlet are respectively communicated with the outlet of sewer of dissolved gas floatator and the inlet of ultra filtration unit, row or recycling outside the water that ultra filtration unit ultrafiltration produces.
Adopt having the beneficial effects that of technique scheme generation: time actually used, magnetic mud waste water is first passed in oil interceptor and carry out oil removal treatment, the oil removing waste water produced after oil removing passes sequentially through the ultrafiltration remove impurity of the coagulating remove impurity of dissolved gas floatator, the removing impurity by means of precipitation of sedimentation tank and ultra filtration unit again, the so last discharge standard that can meet environment from the water of the permeate outfall drain of ultra filtration unit, it is possible to directly outer row or recycling.Present configuration is simple, and can be effectively acted upon by the magnetic mud waste water that processing magnet material produces, and result of use is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of one-level, second-level settling pond;
Fig. 3 is the I portion enlarged drawing of Fig. 2.
Detailed description of the invention
A kind of process system of magnetic mud waste water, it includes the oil interceptor 10, dissolved gas floatator 20, sedimentation tank 30 and the ultra filtration unit 40 that are sequentially arranged, the oil removing waste water that magnetic mud waste water produces after oil interceptor 10 oil removing is delivered in dissolved gas floatator 20 by elevator pump 50, the water inlet 31 of sedimentation tank 30, outlet 32 are respectively communicated with the outlet of sewer 21 of dissolved gas floatator 20 and the inlet 41 of ultra filtration unit 40, row or recycling outside the water that ultra filtration unit 40 ultrafiltration produces.nullAs shown in Figure 1,Time actually used,Magnetic mud waste water is first passed in oil interceptor 10 and carry out oil removal treatment,The oil removing Waste Water Centralized produced after oil removing is in the water cavity of oil interceptor 10,So by elevator pump 50, the oil removing waste water in its water cavity is delivered to the preliminary eliminating carrying out coagulation and scum silica frost in dissolved gas floatator 20,Specifically,It is add PAC and PAM to carry out hybrid reaction in the coagulation district of dissolved gas floatator 20,The debirs in oil removing waste water are made to flocculate,Flocculate in such waste water can be scraped off floating on the water surface by molten gas coating function,Waste water after dissolved gas floatator 20 preliminary treatment arrives sedimentation tank 30 and makes further precipitation,To ensure that flocculate therein is precipitated removing,Then the clear liquid in sedimentation tank 30 is delivered to ultra filtration unit 40 again and carries out ultrafiltration,The filtrate so obtained can meet the discharge standard of environment,Directly outer row or recycling.Present configuration is simple, and can effectively the magnetic mud waste water that processing magnet material produces be acted upon, result of use is good, and the mud produced in the waste residue that dissolved gas floatator 20 strikes off and sedimentation tank 30 can be delivered to sludge treating block and focus on, very convenient.
As further preferred version: as shown in Figure 1-2, the cell cavity of sedimentation tank 30 separates the slow pond 33 of composition and Sedimentation tank 34 by dividing plate, and dividing plate is near side, dissolved gas floatator 20 place layout, the bottom of dividing plate offers the water stream channel 35 of through slow pond 33 and Sedimentation tank 34, the slow wastewater inlet in pond 33, Sedimentation tank 33 purified liquor outlet be respectively communicated with the outlet of sewer 21 of dissolved gas floatator 20 and the inlet 41 of ultra filtration unit 40.The waste water produced after dissolved gas floatator 20 preliminary treatment is entered back into Sedimentation tank 34 by slow pond 33, waste water is so made to enter from the bottom of Sedimentation tank 34 lentamente, so not only avoid the water in Sedimentation tank 34 is produced disturbance, and be possible to prevent the water containing flocculated impurities directly to enter in ultra filtration unit 40 from the purified liquor outlet on Sedimentation tank 34 top.
In order to improve the sedimentation effect of Sedimentation tank 34 further, as shown in Figure 1-2, it is covered with in the cell cavity of Sedimentation tank 34 middle and upper part and has oblique and spaced apart guide rod 60.Time actually used, waste water in Sedimentation tank 34 is to flow gradually from bottom to top generally, then the purified liquor outlet in portion drains in ultra filtration unit 40 from it, and the layout passed through, so make waste water when flowing from bottom to top flocculated impurities therein be subject to the inhibition of guide rod 60 and naturally sink, preferably, it is arranged at intervals with mud guard 61 along bar length direction bottom the shaft of each guide rod 60, described mud guard 61 self-retaining one end on guide rod 60 is downward, and extend gradually to the direction away from guide rod 60 in suspension shape, layout by mud guard 61, the flocculate in waste water is so made to meet with multi-faceted obstruction and sink, thus further increasing the removal effect of impurity.
As further preferred version, described sedimentation tank 30 is to be sequentially arranged constituted by one-level, two grades of two sedimentation tanks 30a, 30b, the Chi Kou place of the Sedimentation tank 34 of first stage precipitation tank 30a offers overfall 36, and the supernatant in first stage precipitation tank 30a is in the slow pond 33 of overfall 36 overflow to second-level settling pond 30b.Arranged continuously by one-level, two grades of two sedimentation tanks 30a, 30b, so may further ensure that the suspended impurity in waste water is able to reliably precipitation process.
After actually used a period of time, membrane component in ultra filtration unit 10 inevitably blocks, for this, preferably, as shown in Figure 1, the permeate outlet of ultra filtration unit 10 is connected to counter-flushing pipeline, counter-flushing pipeline is connected to water tank 70 and water pump 80, the water inlet pipe of water tank 70 is connected on the permeate outlet conduit of ultra filtration unit 10 by three-way valve, water in water tank 70 is pumped to recoil ultra filtration unit 10 by water pump 80, after so using a period of time, can the water that ultra filtration unit 10 ultrafiltration produces be introduced in water tank 70, then pass through water pump 80 and the water in water tank 70 is recoiled in ultra filtration unit 40, so that tamper therein is washed out, additionally, time actually used, abluent can also be put in water tank 70, to improve the elimination effect of the tamper in ultra filtration unit 10.Moreover, preferably, the permeate exit of ultra filtration unit 10 connects the air pump 90 of blowback air in oriented ultra filtration unit 10 by pipeline, that is, except recoiling with the water containing abluent, ultra filtration unit 40 can also be blown with air sky, remove the tamper in ultra filtration unit 40 with multi-faceted, to improve the service life of ultra filtration unit 40.Concrete, the molecular cut off of the membrane component of described ultra filtration unit is 1000-5000D.

Claims (8)

1. the process system of a magnetic mud waste water, it is characterized in that: include the oil interceptor (10) being sequentially arranged, dissolved gas floatator (20), sedimentation tank (30) and ultra filtration unit (40), the oil removing waste water that magnetic mud waste water produces after oil interceptor (10) oil removing is delivered to dissolved gas floatator (20) by elevator pump (50)) in, the water inlet (31) of sedimentation tank (30), outlet (32) is respectively communicated with the outlet of sewer (21) of dissolved gas floatator (20) and the inlet (41) of ultra filtration unit (40), row or recycling outside the water that ultra filtration unit (50) ultrafiltration produces.
2. the process system of magnetic mud waste water according to claim 1, it is characterized in that: the cell cavity of sedimentation tank (30) separates the slow pond (33) of composition and Sedimentation tank (34) by dividing plate, and dividing plate is near dissolved gas floatator (20) side, place layout, the bottom of dividing plate offers the water stream channel (35) of through slow pond (33) and Sedimentation tank (34), the wastewater inlet in slow pond (33), the purified liquor outlet of Sedimentation tank (33) is respectively communicated with the outlet of sewer (21) of dissolved gas floatator (20) and the inlet (41) of ultra filtration unit (40).
3. the process system of magnetic mud waste water according to claim 2, it is characterised in that: it is covered with in the cell cavity of Sedimentation tank (30) middle and upper part and has oblique and spaced apart guide rod (60).
4. the process system of magnetic mud waste water according to claim 3, it is characterized in that: be arranged at intervals with mud guard (61) along bar length direction bottom the shaft of each guide rod (60), described mud guard (61) self-retaining one end on guide rod (60) extends downwards and to the direction away from guide rod (60) gradually in suspension shape.
5. the process system of the magnetic mud waste water according to Claims 2 or 3 or 4, it is characterized in that: described sedimentation tank (30) is to be sequentially arranged constituted by one-level, two grades two sedimentation tanks (30a, 30b), the Chi Kou place of the Sedimentation tank (34) of first stage precipitation tank (30a) offers overfall (36), and the supernatant in first stage precipitation tank (30a) is in the slow pond (33) of overfall (36) overflow to second-level settling pond (30b).
6. the process system of magnetic mud waste water according to claim 5, it is characterized in that: the permeate outlet of ultra filtration unit (10) is connected to counter-flushing pipeline, counter-flushing pipeline is connected to water tank (70) and water pump (80), the water inlet pipe of water tank (70) is connected on the permeate outlet conduit of ultra filtration unit (10) by three-way valve, and the water in water tank (70) is pumped to recoil ultra filtration unit (10) by water pump (80).
7. the process system of magnetic mud waste water according to claim 5, it is characterised in that: the permeate exit of ultra filtration unit (10) connects the air pump (90) of oriented ultra filtration unit (10) interior blowback air by pipeline.
8. the process system of magnetic mud waste water according to claim 5, it is characterised in that: the molecular cut off of the membrane component of described ultra filtration unit is 1000-5000D.
CN201610273030.9A 2016-04-27 2016-04-27 Treatment system for magnetic and muddy waste water Pending CN105800829A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610273030.9A CN105800829A (en) 2016-04-27 2016-04-27 Treatment system for magnetic and muddy waste water

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Application Number Priority Date Filing Date Title
CN201610273030.9A CN105800829A (en) 2016-04-27 2016-04-27 Treatment system for magnetic and muddy waste water

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111320304A (en) * 2020-03-17 2020-06-23 海口海关技术中心 A kind of laboratory oil waste liquid treatment equipment

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Publication number Priority date Publication date Assignee Title
CN111320304A (en) * 2020-03-17 2020-06-23 海口海关技术中心 A kind of laboratory oil waste liquid treatment equipment

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Application publication date: 20160727