CN104671617A - Integrated treatment equipment for mixed waste cutting fluid and domestic sewage - Google Patents
Integrated treatment equipment for mixed waste cutting fluid and domestic sewage Download PDFInfo
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- CN104671617A CN104671617A CN201510109736.7A CN201510109736A CN104671617A CN 104671617 A CN104671617 A CN 104671617A CN 201510109736 A CN201510109736 A CN 201510109736A CN 104671617 A CN104671617 A CN 104671617A
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Abstract
The invention discloses integrated treatment equipment for mixed waste cutting fluid and domestic sewage and belongs to the technical field of industrial wastewater treatment. The integrated treatment equipment comprises an aerated biological phosphorus removal regulating pool and an integrated purification device, wherein the integrated purification device comprises a vertical flow sedimentation separation pool, an A/O biochemical reaction pool I, an A/O biochemical reaction pool II and an inclined plate sedimentation adsorption pool. Through the aerated biological phosphorus removal regulating pool and an ozone air flotation separation pool, floating oil, tramp oil and tiny suspended matters in the waste water (the biodegradability of the mixed waste water is improved) obtained by mixing the waste cutting fluid with the domestic sewage are separated; the biodegradability of the waste water is further improved by ozone oxidation, and two levels of A/O biochemical reaction are also beneficial to removing complex pollutants; the comprehensive result shows that the removal rate of pollutants can be greatly increased, and the effluent meets the emission requirements.
Description
Technical field
The present invention relates to a kind of industrial wastewater treatment device, specifically a kind of equipment that the used cutting liquid produced in mechanical processing process such as cutting, grind, cut, roll is processed.
Background technology
Cutting fluid plays cooling, lubrication, cleaning and the effect such as antirust in the processes such as mechanical workout, iron and steel manufacture, bearing machining.Cutting fluid is one of the metal working lubricant of locomotive, automobile industry's large usage quantity, has good oilness, cooling and cleaning concurrently, widely uses in various cutting technology.But its maximum shortcoming is in use easily putrid and deteriorated, working fluid poor stability, work-ing life is short.Particularly only have a week in the life cycle in summer that south is hot, what have even only has couple of days just putrid and deteriorated smelly, in the north, in tens days summers, more than the moon in winter, has to more renew liquid, waste liquid of draining.Both production cost was increased, again contaminate environment.Used cutting liquid (HW09) is one of in the middle of national 47 class industrial dangerous wastes, processing costs is quite expensive, used cutting liquid outward appearance grey black, there is unpleasant stink, its Sodium Nitrite can generate inferior ammonium nitrate after reacting with another kind of rust-preventive agent-hydramine under the effect of microorganism, this is a kind of strong carcinogen be proved, and its hazardness is even more serious.
Can pollute and damage environment and human body just because of cutting fluid, the use of cutting fluid and liquid waste disposal be subject to the management of environmental regulation increasingly stringent.
Existing installation technology also exists equipment complexity usually, and volume is comparatively large, and the high and greasy filth inferior separating effect of energy consumption, water outlet is difficult to reach the weak points such as emission standard.
Summary of the invention
The present invention is directed to existing issue, and a kind of used cutting liquid of research and design and sanitary sewage mixing aftertreatment integration apparatus.The technique means that the present invention adopts is as follows:
A kind of used cutting liquid and sanitary sewage mixing aftertreatment integration apparatus, comprise aeration and biological dephosphorization equalizing tank and integrated purifying device, described integrated purifying device comprises perpendicular stream precipitate and separate pond, ozone air-float separate tank, A/O biochemical reaction tank I, A/O biochemical reaction tank II and sloping plate deposition adsorption tank, used cutting liquid is by flowing into aeration and biological dephosphorization equalizing tank after oil trap, sanitary sewage by flowing into aeration and biological dephosphorization equalizing tank after grating tank, and mixes with used cutting liquid;
The inside of described aeration and biological dephosphorization equalizing tank, A/O biochemical reaction tank I and A/O biochemical reaction tank II is equipped with boring aeration pipe, described boring aeration pipe is connected with blower fan respectively by each self-corresponding pneumatic tube variable valve, is provided with submersible sewage pump bottom described aeration and biological dephosphorization equalizing tank;
Guide shell is provided with in described perpendicular stream precipitate and separate pond, water distributor I is provided with in described guide shell, described submersible sewage pump is connected with water distributor I, and top, described perpendicular stream precipitate and separate pond is provided with overflow weir I, and described overflow weir I is connected with ozone air-float separate tank by line mixer;
Water distributor II is provided with in described A/O biochemical reaction tank I, water distributor III is provided with in described A/O biochemical reaction tank II, biologic packing material is equipped with in A/O biochemical reaction tank I and A/O biochemical reaction tank II, the lower space of described ozone air-float separate tank is connected with water distributor II by effluent collection pipe, described A/O biochemical reaction tank I is connected with water distributor III by overflow weir II, described A/O biochemical reaction tank II is connected with sloping plate deposition adsorption tank by overflow weir III, swash plate is provided with in described sloping plate deposition adsorption tank, the top of described swash plate is provided with adsorption stuffing layer, overflow weir IV is provided with above described sloping plate deposition adsorption tank, described overflow weir IV place is provided with rising pipe,
The bottom of described perpendicular stream precipitate and separate pond, A/O biochemical reaction tank I, A/O biochemical reaction tank II and sloping plate deposition adsorption tank is equipped with bed mud collection tube, and described bed mud collection tube is connected with bed mud transfer lime respectively by the spoil disposal variable valve of correspondence;
The dissolved air water transfer lime goed deep into bottom pond is provided with in described ozone air-float separate tank, the dissolved air water transfer lime the other end is connected with the outlet of air dissolved pump, described air dissolved pump place is provided with ozonizer, and the import of described air dissolved pump is connected with the lower space of sloping plate deposition adsorption tank;
Described line mixer is connected with PAC medicine-chest by PAC volume pump I, and the internal space of described ozone air-float separate tank is connected with PAM medicine-chest by PAM volume pump.
Further, the pipeline between described air dissolved pump and ozone air-float separate tank is provided with under meter and sampling valve.
Further, described bed mud transfer lime runs through the below of described integrated purifying device.
Further, described PAC medicine-chest is also connected with sloping plate deposition adsorption tank by PAC volume pump II
Further, the below of described integrated purifying device is provided with at least three bearings.
Further, PAM adds entrance and is added in bottom in the internal-response district of ozone air-float separate tank by PAM volume pump by pipeline and release shower nozzle, PAM add entrance be positioned at dissolved air water mix with dosing after the top of reaction zone, dissolved air water mixes reaction zone afterwards with dosing be the region by the mixed sewage of line mixer and dissolved air water hybrid reaction.
Further, the ozone gas soakage of described air dissolved pump is suck liquid flow rate less than 8%.
Compared with the prior art, a kind of used cutting liquid of the present invention has the following advantages with sanitary sewage mixing aftertreatment integration apparatus:
1, the present invention is by aeration and biological dephosphorization equalizing tank, integrated purifying device comprises perpendicular stream precipitate and separate pond, ozone air-float separate tank, A/O biochemical reaction tank I, A/O biochemical reaction tank II and sloping plate deposition adsorption tank with the use of, make the oil slick in the mixed waste water of used cutting liquid and sanitary sewage (after mixing, the biodegradability of waste water is promoted), assorted oil and fine suspension separated, the biodegradability of waste water can be made to get a promotion further by ozone oxidation, A/O biochemical reaction is also conducive to the removal of complicated pollutent, synthesis result can realize pollutants removal rate and be greatly enhanced, ensure that water outlet reaches emission request.
2, aeration and biological dephosphorization equalizing tank provided by the invention, adds a large amount of Dephosphorization reagent calcium sulfate, generates calcium phosphate by chemical reaction, phosphorus is removed in pond.
3, the contact reacts pipe arranged in coagulation demulsification ozone air-float separate tank provided by the invention, be communicated with sewage conveying tube by dissolved air water transfer lime with by overflow weir after the molten gas of cutting fluid together to enter wherein, spacing between two pipelines is advisable at 10 centimetres, improve the probability that the oil slick in cutting fluid, assorted oil and fine suspension and micro-bubble touch cohesion, be conducive to the removal of fine suspension; The disengaging zone on coagulation demulsification ozone air-float separate tank top adopts by controlling water outlet height of liquid level, and realize automatically being discharged by oil slick slag, water outlet overflow enters A/O biochemical reaction tank I.
4, the A/O biochemical reaction tank I that adopts of the present invention and A/O biochemical reaction tank II, the bottom of every grade of A/O biochemical reaction tank is hypoxia response district, aerating apparatus is positioned at the middle part of reaction tank, to the aerobic reactor zone oxygen supply on top, by second order reaction pond series design, the selectivity of biochemical reaction can be improved, and improve pollutants removal rate.
5, the sloping plate deposition adsorption tank of the present invention's employing, guide shell is provided with in the middle of in pond, being provided with dividing plate in guide shell can the coagulant polymeric aluminium hybrid reaction added, improve the sedimentation function of suspended substance, also can remove the phosphorus in waste water further, bottom is provided with swash plate, improves deposition efficiency, the top of swash plate is provided with adsorption stuffing layer, removes the pollutent in waste water further.
6, the present invention adopts and once promotes, and utilize liquid level difference to realize the overflow of a unit, until water outlet up to standard, spoil disposal utilizes pressure reduction to realize non-powered spoil disposal.
7, can need to adopt integrated design according to place, reduce floor space, level of automation is high, treatment effect good, is convenient to the plurality of advantages such as routine maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Embodiment
As shown in Figure 1, a kind of used cutting liquid and sanitary sewage mixing aftertreatment integration apparatus, comprise aeration and biological dephosphorization equalizing tank 1 and integrated purifying device 2, described integrated purifying device 2 comprises perpendicular stream precipitate and separate pond 3, ozone air-float separate tank 4, A/O biochemical reaction tank I 5, A/O biochemical reaction tank II 6 and sloping plate deposition adsorption tank 7, ozone air-float separate tank 4 is coagulation demulsification ozone air-float separate tank, used cutting liquid is by flowing into aeration and biological dephosphorization equalizing tank 1 after oil trap 8, sanitary sewage is by flowing into aeration and biological dephosphorization equalizing tank 1 after grating tank 9, and mix with used cutting liquid.
Described aeration and biological dephosphorization equalizing tank 1, the inside of A/O biochemical reaction tank I 5 and A/O biochemical reaction tank II 6 is equipped with boring aeration pipe 10, described boring aeration pipe 10 is connected with blower fan 20 respectively by each self-corresponding pneumatic tube variable valve 11, boring aeration pipe 10 continuous aeration bottom aeration and biological dephosphorization equalizing tank 1 promotes used cutting liquid and the mixing of sanitary sewage and the biological phosphate-eliminating of mixed solution, submersible sewage pump 12 is provided with bottom described aeration and biological dephosphorization equalizing tank 1, waste water in aeration and biological dephosphorization equalizing tank 1 is squeezed in perpendicular stream precipitate and separate pond 3 by submersible sewage pump 12, guide shell I 13 is provided with in described perpendicular stream precipitate and separate pond 3, water distributor I 14 is provided with in described guide shell I 13, described submersible sewage pump 12 is connected with water distributor I 14, top, described perpendicular stream precipitate and separate pond 3 is provided with overflow weir I 15, described overflow weir I 15 is connected with ozone air-float separate tank 4 by line mixer 16, waste water is uniformly distributed in perpendicular stream precipitate and separate pond 3, then the whole section along pond slowly rises, suspended substance under gravity sedimentation enters in the base cone shape sludge bucket of pond, mud is via bed mud collection tube 17 and open corresponding spoil disposal variable valve 18 and flow into bed mud collecting tank 19, primary water is discharged from overflow weir I 15, flows through line mixer 16 and arrives bottom ozone air-float separate tank 4.
Water distributor II 21 is provided with in described A/O biochemical reaction tank I 5, water distributor III 22 is provided with in described A/O biochemical reaction tank II 6, biologic packing material 23 is equipped with in A/O biochemical reaction tank I 5 and A/O biochemical reaction tank II 6, described A/O biochemical reaction tank I 5 is connected with water distributor III 22 by overflow weir II 25, described A/O biochemical reaction tank II 6 is connected with sloping plate deposition adsorption tank 7 by overflow weir III 26, swash plate 27 is provided with in described sloping plate deposition adsorption tank 7, the top of described swash plate 27 is provided with adsorption stuffing layer 28, suspended substance can be trapped in the bottom of sloping plate deposition adsorption tank 7 by swash plate 27 and adsorption stuffing layer 28 effectively, be provided with overflow weir IV 33 above described sloping plate deposition adsorption tank 7, described overflow weir IV 33 place is provided with rising pipe 32, and the water outlet after process is by air dissolved pump 31 reuse or by rising pipe 32 overflow discharge, in ozone air-float separate tank 4, water outlet enters A/O biochemical reaction tank I 5 through effluent collection pipe 24 overflow, be uniformly distributed by water distributor II 22, described A/O biochemical reaction tank I 5 and attached growth of microorganisms in A/O biochemical reaction tank II 6 are on biologic packing material 23, described biologic packing material 23 is urethane macropore floating stuffing, boring aeration pipe 10 bottom urethane macropore floating stuffing is connected with blower fan 20, for microorganism growth provides sufficient oxygen, after A/O biochemical reaction tank I 5 biochemical treatment, water outlet enters A/O biochemical reaction tank II 6 by overflow weir II 25, the guide shell II 34 that after A/O biochemical reaction tank II 6 biochemical treatment, water outlet is entered in sloping plate deposition adsorption tank 7 by overflow weir III 26 carries out coagulating sedimentation separating reaction.
The bottom of described perpendicular stream precipitate and separate pond 3, A/O biochemical reaction tank I 5, A/O biochemical reaction tank II 6 and sloping plate deposition adsorption tank 7 is equipped with bed mud collection tube 17, described bed mud collection tube 17 is connected with bed mud transfer lime 29 respectively by the spoil disposal variable valve 18 of correspondence, bed mud in perpendicular stream precipitate and separate pond 3, A/O biochemical reaction tank I 5, A/O biochemical reaction tank II 6 and sloping plate deposition adsorption tank 7 enters bed mud conveying arm 30 by bed mud collection tube 17 via bed mud transfer lime 29, final inflow mud collecting tank 19;
The dissolved air water transfer lime 35 goed deep into bottom pond is provided with in described ozone air-float separate tank, dissolved air water transfer lime 35 the other end is connected with the outlet of air dissolved pump 31, described air dissolved pump 31 place is provided with ozonizer 36, and the import of described air dissolved pump 31 is connected with the lower space of sloping plate deposition adsorption tank 7;
Described line mixer 16 is connected with PAC medicine-chest 38 by PAC volume pump I 37, the internal space of described ozone air-float separate tank 4 is connected with PAM medicine-chest 40 by PAM volume pump 39, and described PAC medicine-chest 38 is also connected with sloping plate deposition adsorption tank 7 by PAC volume pump II 41.Described PAC medicine-chest 38 is communicated with drug delivery to ozone air-float separate tank 4 bottom by PAC drug delivery pipe 42 with line mixer 16 through PAC volume pump I 37; Described PAM chemical tank 40 passes through PAM drug delivery pipe 43 by drug delivery to ozone air-float separate tank 4 through PAM volume pump 39.
Described dissolved air water transfer lime 35 is provided with under meter 44 and sampling valve 45.
Described bed mud transfer lime 29 runs through the below of described integrated purifying device.
The below of described integrated purifying device 2 is provided with at least three bearings 46.
PAM adds entrance and is added in bottom in the internal-response district of ozone air-float separate tank 4 by PAM volume pump 39 by pipeline and release shower nozzle 47, and PAM adds entrance and is positioned at dissolved air water mixes reaction zone afterwards top with dosing.
The ozone gas soakage of described air dissolved pump is suck liquid flow rate less than 8%.
The present embodiment operationally, should first start air dissolved pump 31, the cutting fluid of the rough purification of sloping plate deposition adsorption tank 7 bottom is sucked the pump housing and suck ozone by ozonizer 36 on suction line, dissolved air water enters ozone air-float separate tank 4 by dissolved air water transfer lime 35, submersible sewage pump 12 squeezes into perpendicular stream precipitate and separate pond 3 needing the waste water of purification, water outlet flows into overflow weir I 15, flow through line mixer 16, ozone air-float separate tank is entered after mixing with the coagulating agent PAC entered by PAC drug delivery pipe 42, complete under the coagulant aids PAM booster action that the mixed solution entered and the dissolved air water entered by dissolved air water transfer lime 35 are entered by PAM drug delivery pipe 43 and mix aggregation, micro-bubble can with the assorted oil in cutting fluid in the process, floating oil, fine particle thing, the greasy filth that microorganism secretion liquid is formed etc. form bubble complex body with it, the density of this complex body is less than 1g/cm
3, automatically can float to ullage, scum silica frost is got rid of by overflow weir, and ozone can play germicidal action simultaneously, water outlet flows into A/O biochemical reaction tank I 5 and A/O biochemical reaction tank II 6 successively by effluent collection pipe 24 and effluent collection groove 47, anaerobic reaction is carried out bottom pond, the air utilizing the boring aeration pipe 10 below urethane macropore floating stuffing and filler to squeeze into carries out aerobic reaction, water outlet flows into sloping plate deposition separate tank 7 through overflow weir III 26, utilize the adsorption stuffing in adsorption stuffing layer 28 that pollutent adsorption cleaning unpleasant for putrid and deteriorated for cutting fluid generation is constantly separated, cutting fluid after purification is discharged by rising pipe 32 after being collected by overflow weir IV 33.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (7)
1. a used cutting liquid and sanitary sewage mixing aftertreatment integration apparatus, it is characterized in that: comprise aeration and biological dephosphorization equalizing tank and integrated purifying device, described integrated purifying device comprises perpendicular stream precipitate and separate pond, ozone air-float separate tank, A/O biochemical reaction tank I, A/O biochemical reaction tank II and sloping plate deposition adsorption tank, used cutting liquid is by flowing into aeration and biological dephosphorization equalizing tank after oil trap, sanitary sewage by flowing into aeration and biological dephosphorization equalizing tank after grating tank, and mixes with used cutting liquid;
The inside of described aeration and biological dephosphorization equalizing tank, A/O biochemical reaction tank I and A/O biochemical reaction tank II is equipped with boring aeration pipe, described boring aeration pipe is connected with blower fan respectively by each self-corresponding pneumatic tube variable valve, is provided with submersible sewage pump bottom described aeration and biological dephosphorization equalizing tank;
Guide shell is provided with in described perpendicular stream precipitate and separate pond, water distributor I is provided with in described guide shell, described submersible sewage pump is connected with water distributor I, and top, described perpendicular stream precipitate and separate pond is provided with overflow weir I, and described overflow weir I is connected with ozone air-float separate tank by line mixer;
Water distributor II is provided with in described A/O biochemical reaction tank I, water distributor III is provided with in described A/O biochemical reaction tank II, biologic packing material is equipped with in A/O biochemical reaction tank I and A/O biochemical reaction tank II, the lower space of described ozone air-float separate tank is connected with water distributor II by effluent collection pipe, described A/O biochemical reaction tank I is connected with water distributor III by overflow weir II, described A/O biochemical reaction tank II is connected with sloping plate deposition adsorption tank by overflow weir III, swash plate is provided with in described sloping plate deposition adsorption tank, the top of described swash plate is provided with adsorption stuffing layer, overflow weir IV is provided with above described sloping plate deposition adsorption tank, described overflow weir IV place is provided with rising pipe,
The bottom of described perpendicular stream precipitate and separate pond, A/O biochemical reaction tank I, A/O biochemical reaction tank II and sloping plate deposition adsorption tank is equipped with bed mud collection tube, and described bed mud collection tube is connected with bed mud transfer lime respectively by the spoil disposal variable valve of correspondence;
The dissolved air water transfer lime goed deep into bottom pond is provided with in described ozone air-float separate tank, the dissolved air water transfer lime the other end is connected with the outlet of air dissolved pump, described air dissolved pump place is provided with ozonizer, and the import of described air dissolved pump is connected with the lower space of sloping plate deposition adsorption tank;
Described line mixer is connected with PAC medicine-chest by PAC volume pump I, and the internal space of described ozone air-float separate tank is connected with PAM medicine-chest by PAM volume pump.
2. used cutting liquid according to claim 1 and sanitary sewage mixing aftertreatment integration apparatus, is characterized in that: the pipeline between described air dissolved pump and ozone air-float separate tank is provided with under meter and sampling valve.
3. used cutting liquid according to claim 1 and sanitary sewage mixing aftertreatment integration apparatus, is characterized in that: described bed mud transfer lime runs through the below of described integrated purifying device.
4. used cutting liquid according to claim 1 and sanitary sewage mixing aftertreatment integration apparatus, is characterized in that: described PAC medicine-chest is also connected with sloping plate deposition adsorption tank by PAC volume pump II.
5. used cutting liquid according to claim 1 and sanitary sewage mixing aftertreatment integration apparatus, is characterized in that: the below of described integrated purifying device is provided with at least three bearings.
6. used cutting liquid according to claim 1 and sanitary sewage mixing aftertreatment integration apparatus, it is characterized in that: PAM adds entrance and is added in bottom in the internal-response district of ozone air-float separate tank by PAM volume pump by pipeline and release shower nozzle, PAM adds entrance and is positioned at dissolved air water mixes reaction zone afterwards top with dosing.
7. used cutting liquid according to claim 1 and sanitary sewage mixing aftertreatment integration apparatus, is characterized in that: the ozone gas soakage of described air dissolved pump is suck liquid flow rate less than 8%.
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| CN201510109736.7A CN104671617B (en) | 2015-03-12 | 2015-03-12 | Used cutting liquid and sanitary sewage mixing aftertreatment integration apparatus |
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| CN201510109736.7A CN104671617B (en) | 2015-03-12 | 2015-03-12 | Used cutting liquid and sanitary sewage mixing aftertreatment integration apparatus |
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| CN104671617B CN104671617B (en) | 2016-04-27 |
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| CN105502808A (en) * | 2015-12-07 | 2016-04-20 | 江苏博大环保股份有限公司 | System for treating oil field effluent by combining double A/O biochemistry with advanced oxidation |
| CN106430862A (en) * | 2016-12-13 | 2017-02-22 | 大庆市海油庆石油科技有限公司 | Oil producing waste water treatment device integrating settling tank, organisms and dissolved air flotation |
| CN108314140A (en) * | 2018-02-08 | 2018-07-24 | 上海船研环保技术有限公司 | A kind of adsorption and dephosphorization apparatus |
| CN108726819A (en) * | 2018-08-13 | 2018-11-02 | 碧沃丰工程有限公司 | A kind of device of purification river black and odorous water |
| CN111592173A (en) * | 2020-04-29 | 2020-08-28 | 临涣焦化股份有限公司 | Ammonia distillation wastewater treatment method |
| CN116903124A (en) * | 2023-08-26 | 2023-10-20 | 北京英诺格林科技有限公司 | Folded plate ozone catalytic integrated device |
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| CN111592173A (en) * | 2020-04-29 | 2020-08-28 | 临涣焦化股份有限公司 | Ammonia distillation wastewater treatment method |
| CN116903124A (en) * | 2023-08-26 | 2023-10-20 | 北京英诺格林科技有限公司 | Folded plate ozone catalytic integrated device |
| CN116903124B (en) * | 2023-08-26 | 2024-04-05 | 北京英诺格林科技有限公司 | Folded plate ozone catalytic integrated device |
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| CN104671617B (en) | 2016-04-27 |
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