CN104163497A - Low-dissolved-oxygen magnetic biochemical treatment system and process - Google Patents
Low-dissolved-oxygen magnetic biochemical treatment system and process Download PDFInfo
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- CN104163497A CN104163497A CN201410186520.6A CN201410186520A CN104163497A CN 104163497 A CN104163497 A CN 104163497A CN 201410186520 A CN201410186520 A CN 201410186520A CN 104163497 A CN104163497 A CN 104163497A
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Abstract
The invention discloses a low-dissolved-oxygen magnetic biochemical treatment system and process. The low-dissolved-oxygen magnetic biological treatment system comprises an oxygen-poor pond, an oxygen-rich pond, a settling pond, a magnetic drum separator and an inner reflux pump, wherein the oxygen-poor pond, the oxygen-rich pond and the settling pond are connected in sequence; the inside of the settling pond is partitioned into a sludge-water separation area and a water outlet area; the water outlet area is connected with a water outlet pipe; the oxygen-poor pond is connected with a water inlet pipe; the bottom of the oxygen-rich pond is provided with an aeration device; a fan is connected outside the aeration device; the inlet of the magnetic drum separator is connected to the bottom of the sludge-water separation area through a residual sludge pipe, and the outlet of the magnetic drum separator is connected to the oxygen-poor pond through a magnetic substance reflux pipe; and the inlet of the inner reflux pump is connected with the tail end of the oxygen-rich pond, and the outlet of the inner reflux pump is connected with the front end of the oxygen-poor pond. The advanced technologies of magnet carriers, magnetic separation and low-dissolved-oxygen nitrosation are combined on the basis of an original biochemical treatment system, so that the denitrification and dephosphorization effects of waste water are improved, and meanwhile the effluent quality of waste water is improved.
Description
Technical field
The present invention relates to material and field of environment engineering technology, relate in particular to a kind of low dissolved oxygen magnetic biochemical treatment system and technique.
Background technology
Sewage treatment area mesophytization treatment system use range is wider, and working life is also longer.Biochemical system mainly can be divided into activated sludge process and biomembrance process, and wherein biomembrance process is a kind of biological process of wastewater treatment efficiently, and bio-carrier is the core of biomembrance process.
The Chinese invention patent application document that for example publication number is CN103319054AA discloses a kind of microbial film treatment process of organic waste water, comprise the steps: 1) one-level biological treatment: adopt MBBR technique to carry out Aerobic-anaerobic biological degradation processing to pretreated organic waste water, the specific surface area of reactor inner suspension filler is 200～500m
2/ m
3, density is 0.92～1.0g/L, the stacking volume of floating stuffing is 20～70% with the useful volume of reactor ratio; 2) two stage biological processing: adopt static bed biomembrane reactor technique to carry out Aerobic-anaerobic degree of depth biological degradation processing to organic waste water, organic waste water is from top to bottom serpentine flow through fixing filler in reactor.
Publication number is that the Chinese invention patent application document of CN103232144A discloses a kind of organic waste-water treating apparatus, be mainly catalytic oxidation+artificial swamp+artificial floating island combination unit, comprise: flexible biological film contact-oxidation pool, hanging flexible biological membrane carrier in pond, pond inner bottom part is laid aeration head, and this aeration head is connected with air blast machine room; Flexible biological film contact-oxidation pool connects settling tank, is provided with the sewage submersible pump of suction filtration precipitation in settling tank; The water outlet of settling tank connects artificial swamp, and the end of artificial swamp is provided with water outlet, and artificial floating island is set in the middle of artificial swamp.
Publication number is microbial film treatment process and the equipment thereof that the Chinese invention patent application document of CN103319054A discloses a kind of organic waste water, and this technique comprises the steps: 1) one-level biological treatment: with the pretreated waste water of MBBR art breading; 2) two stage biological processing: with static bed biomembrane reactor art breading waste water.Equipment comprises the biofilm packing of pond body and Qi Nei, pond body left side opening water-in, right side opening water outlet, baffled on the body longitudinal section of pond, aerating apparatus is established in the body bottom, pond in baffle plate left side, and swash plate is established in baffle plate below, between baffle plate bottom and swash plate, leaves gap, on the water outlet of pond body, be connected with tower body, tower body top has water-in, and bottom has water outlet, in it, is interval with polylith back up pad along top to bottom, the tack centrum of tiling in back up pad, and interleavedly in adjacent back up pad have an overflow port.
But the bio-carrier of current most biomembrance process is all taking the filler of fixed or semi-fixed type as main, and such filler is main mainly with plastics, fiber-like material, and easily aging, has again working life.Biomembrance process mainly contains biological filter, blodisc, biological contact oxidation process, biological fluidized bed etc.Various biomembrance process all adopt the bio-carrier of fixed or semi-fixed type, make biomembrance process have the advantages such as shock-resistant, high loading, high-biomass, higher position reason efficiency, volume are little.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of low dissolved oxygen magnetic biochemical treatment system and technique are provided, by low dissolved oxygen content, when improving water treatment effect, also can reach the object of denitrogenation of waste water and mud decrement.
A kind of low dissolved oxygen magnetic biochemical treatment system, comprise the oxygen deprivation pond, oxygen enrichment pond and the settling tank that connect successively, in described settling tank, be divided into mud-water separation district and exhalant region, described exhalant region connects rising pipe, described oxygen deprivation pond connects water inlet pipe, bottom, described oxygen enrichment pond arranges aerating apparatus, the external blower fan of this aerating apparatus; Also comprise:
Magnetic drum separator, the entrance of this magnetic drum separator is connected to bottom, described mud-water separation district by excess sludge pipe, and outlet is connected to described oxygen deprivation pond by magnetic substance return line;
Internal reflux pump, the entrance of this internal reflux pump connects oxygen enrichment pond end, and outlet connects oxygen deprivation pond front end.
On the basis of the tangible original biochemical treatment system of the present invention, mix magnetic carrier, magnetic and separated and low dissolved oxygen nitrosification modern technique, when improving the Nitrogen/Phosphorus Removal of waste water, also improved the effluent quality of waste water.Several to magnetic carrier biochemistry, low dissolved oxygen nitrosification and biochemical treatment treatment technologies are merged a system, this system can effectively be removed ammonia nitrogen and the total phosphorus in waste water, also can improve the settling property of waste water, can also reduce the generation of mud, make on biochemical treatment system to a new epoch.
Native system can be used for the biochemical treatment facility of various sewage.Can be used for the biochemical treatment system of urban wastewater treatment firm, make the town sewage can better qualified discharge, reduce the pollution to environment; Can be used for again the biochemical treatment system of the sewage plant of various industrial enterprises, improve the clearance of waste water, reduce the production rate of mud, improve environmental benefit and the economic benefit of enterprise.
Magnetic drum separator of the present invention is to improve on the basis of conventional magnetic drum separator, adopts the magneticstrength of varying strength according to the different qualities of waste water, and the organic efficiency of magnetic substance is more than 90%.For example, sanitary sewage magneticstrength can be selected 240mT, and dyeing waste water magneticstrength can be selected 480mT etc.
As preferably, in described exhalant region, be divided into upper and lower two outlet areas, rising pipe described in upper water-out joint area, lower outlet area connects an external reflux pump, and the other end of this external reflux pump is connected to oxygen deprivation pond.
Further preferably, the volume ratio of Yu Xia outlet area, described upper water-out region is 1:1.
As preferably, described mud-water separation arranges inclined plate packing in district.
As preferably, the outlet of described magnetic drum separator also connects a road excess sludge discharge pipe.
System of the present invention is under the combination of above-mentioned each optimum condition, better to the treatment effect of waste water.
The present invention also provides a kind of technique of utilizing described low dissolved oxygen magnetic biochemical treatment system to carry out wastewater treatment, comprises the steps:
In oxygen deprivation pond and oxygen enrichment pond, add magnetic carrier, in debug process, active sludge loads on and on this magnetic carrier, forms magnetic carrier supported active mud;
Described waste water enters mud-water separation district successively after oxygen deprivation pond and the processing of oxygen enrichment pond, and after mud-water separation, clear water enters exhalant region, is finally got rid of by rising pipe;
Mud after mud-water separation is sent in magnetic drum separator and is separated, and separates the magnetic carrier obtaining and is back in oxygen deprivation pond, excess sludge discharge;
In reaction process by blower fan and aerating apparatus to oxygen supply in oxygen enrichment pond, the oxygen capacity maintaining in oxygen enrichment pond is 1～2mg/L; By internal reflux pump by the sludge reflux of oxygen enrichment pond end to oxygen deprivation pond, external reflux pump by the sludge reflux of exhalant region bottom to oxygen deprivation pond.
The present invention, owing to having loaded magnetic substance, not only can reduce the oxygen capacity in oxygen enrichment pond, reduces energy consumption.Lower dissolved oxygen can impel the nitrifier of waste water and the breeding of denitrifying bacteria simultaneously, improves the clearance of the ammonia nitrogen of waste water, reaches the effect that waste water is denitrogenated.In addition, because active sludge has become the active sludge of magnetic carrier load, when having improved active sludge active, also can improve the load of active sludge, so just can greatly reduce the generation of mud.
Oxygen capacity in the pond of oxygen enrichment described in the present invention is 1～2mg/L.The oxygen capacity in general oxygen enrichment pond is at 2～4mg/L, and it is 1～2mg/L that the present invention selects oxygen capacity, is conducive to reduce energy consumption.
As preferably, the dosage of magnetic carrier in oxygen deprivation pond and oxygen enrichment pond is 1～3g/L.
As preferably, described waste water is 2～4h at the hydraulic detention time in oxygen deprivation pond, and the hydraulic detention time in oxygen enrichment pond is 8～24h.
Hydraulic detention time is according to different wastewater properties and difference, and in general, the oxygen deprivation pond residence time is about 2～4h, approximately 8～24h of the oxygen enrichment pond residence time.
Further preferably, the oxygen capacity in described oxygen enrichment pond is 1～2mg/L; The dosage of magnetic carrier in oxygen deprivation pond and oxygen enrichment pond is 1～3g/L; Described waste water is 2～4h at the hydraulic detention time in oxygen deprivation pond, and the hydraulic detention time in oxygen enrichment pond is 8～24h.
The oxygen level in the more common oxygen enrichment of the oxygen level pond in described oxygen enrichment pond is low, is beneficial to the breeding of nitrifier and denitrifying bacteria, improves the clearance of the ammonia nitrogen of waste water, reaches the effect that waste water is denitrogenated; Active sludge in this technique is the active sludge after magnetic carrier load, and magnetic carrier can not only improve the activity of active sludge, also can improve the load of active sludge, can greatly reduce the generation of mud.Reach the object of reduction of discharging.
As preferably, described magnetic substance particle diameter is 500 order～800 orders, and proportion is 2.5.Magnetic carrier of the present invention is beneficial to microorganism growth.
The magnetic substance using in this technique is a kind of catalyzer of assisting biological growth, can adopt the conventional magnetic substance in this area, also can adopt the magnetic carrier of improveing through voluntarily, the magnetic carrier better effects if after improveing voluntarily.Strengthen the absorption degradation effect of some degradation bacteria by the action of a magnetic field of magnetic carrier, thereby improve the Pollutant Treatment effect of waste water.
Magnetic substance particle diameter is controlled at 500 order～800 orders, and proportion is about 2.5, needs through surfactivity modification, and method of modifying is that the magnetic substance after modification, can add high surface area and roughness, is more conducive to microbial growth by means such as magnetization and calcinations.In addition under powerful magneticstrength effect, the settling property of mud is effectively improved, sludge structure is made moderate progress, because magnetic surface is with electric charge, make magnetic have stronger adsorption to the zoogloea in mud, form gradually magnetic crumb structure closely, reduce the loss of free bacteria, biomass gathers way comparatively fast, make in bio-reactor sludge concentration increase, overcome sludge bulking, magnetic active sludge proportion than different activities mud than great, settlement separate effective, improve effluent quality.
Oxygen in water is the key of organic substance decomposing in water, and the water sample of processing through magnetization is higher than the product oxygen rate of former water sample, and reason is that magnetic has reduced organic oxygen-consuming capacity in waste water, therefore also contributes to dissolved oxygen to reduce adding of magnetic.
The beneficial effect that the present invention compared with prior art has is:
1) native system set magnetic carrier, magnetic separation, the several processing methodes of low dissolved oxygen nitrosification.
2) magnetic carrier of native system reclaims magnetic carrier in system by magnetic drum separator, and therefore the consumption of magnetic carrier is few, reduces cost of sewage disposal.
3) native system uses the growing carrier of magnetic material as bacterial classification, is a kind of mobile membrane biological process.
4) native system uses the growing carrier of magnetic material as bacterial classification, can improve the growth cycle of bacterial classification, reduces the generation of excess sludge, reduces the generation of biochemical sludge, reduces the secondary pollution of mud to environment.
5) native system adopts low dissolved oxygen nitrosification technology, and utilizes magnetic carrier as intermediate, makes the Nitrogen/Phosphorus Removal of waste water reach optimum regime.In oxygen enrichment pond, low dissolved oxygen remains on 1～2mg/L.
6) native system adopts the growing carrier of magnetic carrier as bacterial classification, utilizes the density difference of magnetic carrier, makes muddy water more easily separated, improves effluent quality thereby improve subsidence rate.
7) native system can be used for the biochemical treatment system of urban wastewater treatment firm, can be used for again the biochemical sewage treatment system of enterprise's sewage plant, applied range.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Shown in figure, Reference numeral is as follows:
3-oxygen enrichment pond, 1-water inlet pipe 2-oxygen deprivation pond
4-internal reflux pump 5-internal reflux pipe 6-aerating apparatus
7-aeration tube 8-blower fan 9-mud-water separation district
10-inclined plate packing 11-effluent trough 12-residual sludge pump
13-excess sludge pipe 14-magnetic drum separator 15-excess sludge discharge pipe
16-magnetic substance return line 17-exhalant region 18-rising pipe
19-external reflux pump 20-external reflux pipe.
Embodiment
As shown in Figure 1, a kind of low dissolved oxygen magnetic biochemical treatment system, comprises the oxygen deprivation pond 2, oxygen enrichment pond 3 and the settling tank that connect successively, and settling tank is divided into mud-water separation district 9 and exhalant region 17, and mud-water separation district 9 is connected with oxygen enrichment pond 3.
Oxygen deprivation pond 2 connects water inlet pipe 1, the bottom in oxygen enrichment pond 3 arranges aerating apparatus 6, the outer blower fan 8 that arranges in oxygen enrichment pond 3, blower fan 8 connects aerating apparatus 6 by aeration tube 7, between the front end in the end in oxygen enrichment pond 3 and oxygen deprivation pond 2, be connected the front end by the sludge reflux of oxygen enrichment pond end to oxygen deprivation pond by internal reflux pump 4 and internal reflux pipe 5.
The interior inclined plate packing 10 that arranges in mud-water separation district 9, the top of inclined plate packing 10 is provided with effluent trough 11, this effluent trough is communicated to exhalant region 17, in exhalant region 17, be divided into upper and lower outlet area, the volume ratio of upper and lower outlet area is 1:1, upper water-out joint area rising pipe 18, lower outlet area is connected to oxygen deprivation pond 2 by external reflux pump 19 and external reflux pipe 20.
The bottom in mud-water separation district 9 is connected a magnetic drum separator 14 with excess sludge pipe 13 by a residual sludge pump 12, the outlet of this magnetic drum separator 14 divides two-way, it is excess sludge discharge pipe 15 that the magnetic substance return line 16 of leading up to is connected to 2, one tunnels, oxygen deprivation pond.
Technical process of the present invention is as follows:
Waste water is after pre-treatment or from entering native system after the gathering system of workshop, first water inlet pipe enters oxygen deprivation pond, and oxygen deprivation pond also has internal reflux liquid and external reflux liquid or magnetic substance to inject oxygen deprivation pond simultaneously simultaneously.Waste water enters oxygen enrichment pond after the reaction of the oxygen deprivation bacterium in oxygen deprivation pond, and oxygen enrichment pond utilizes gas blower and aerating apparatus to provide dissolved oxygen to oxygen enrichment pond, and the condition of oxygen enrichment bacterium existence is provided.
Waste water enters mud-water separation district stop the organism in certain hour degrading waste water in oxygen enrichment pond after, waste water enters from bottom, inclined plate packing by mud-water separation district carries out mud-water separation, and sludge settling is in bottom, and supernatant liquor enters follow-up exhalant region from the effluent trough on top.Wherein bottom, mud-water separation district is provided with excess sludge discharge system, comprise the residual sludge pump, excess sludge pipe, magnetic drum separator, excess sludge discharge pipe and the magnetic substance return line that connect successively, excess sludge pumps into magnetic drum separator by residual sludge pump by excess sludge pipe, magnetic drum separator separates excess sludge with magnetic substance, excess sludge goes subsequent disposal to dispose, and magnetic substance is back to oxygen deprivation pond.
Wherein magnetic drum separator, magnetic substance organic efficiency is more than 90%.Waste water supernatant liquor after mud-water separation enters exhalant region and is provided with two outlet areas, and one is that top is provided with rising pipe, and subsequent disposal is discharged or gone in part water outlet.Another one outlet area is that bottom is provided with external reflux device, comprises external reflux pump and external reflux pipe.External reflux water outlet is back to oxygen deprivation pond by external reflux pump and external reflux pipe.Wherein the ratio of two of exhalant region outlet areas is 1:1.
Oxygen capacity in oxygen enrichment pond is 1～2mg/L; The dosage of magnetic carrier in oxygen deprivation pond and oxygen enrichment pond is 1～3g/L; Waste water is 2～4h at the hydraulic detention time in oxygen deprivation pond, and the hydraulic detention time in oxygen enrichment pond is 8～24h; Magnetic substance particle diameter is 500 order～800 orders, and proportion is 2.5.
Embodiment 1
By this process application in certain printing and dyeing enterprise sewage works, this enterprise's sewage plant has 2 cover parallel processing systems, the common biochemical processing process of a set of employing, a set of this technique of employing in addition, the treatment scheme of two cover techniques is: oxygen deprivation pond-oxygen enrichment pond-second pond, and common group does not add magnetic carrier, and dissolved oxygen is controlled at 2～4mg/L, other one group for adding magnetic carrier, and dissolved oxygen is controlled at 1～2mg/L.Two groups of processing effluent index are as shown in the table:
Two groups for the treatment of system effluent index unit: mg/L of table 1 sewage plant
Note: this art breading is than COD, ammonia nitrogen improvement 20% relative to SS index in common biochemical treatment effluent quality.
Claims (9)
1. one kind low dissolved oxygen magnetic biochemical treatment system, comprise the oxygen deprivation pond, oxygen enrichment pond and the settling tank that connect successively, in described settling tank, be divided into mud-water separation district and exhalant region, described exhalant region connects rising pipe, described oxygen deprivation pond connects water inlet pipe, bottom, described oxygen enrichment pond arranges aerating apparatus, the external blower fan of this aerating apparatus; It is characterized in that, also comprise:
Magnetic drum separator, the entrance of this magnetic drum separator is connected to bottom, described mud-water separation district by excess sludge pipe, and outlet is connected to described oxygen deprivation pond by magnetic substance return line;
Internal reflux pump, the entrance of this internal reflux pump connects oxygen enrichment pond end, and outlet connects oxygen deprivation pond front end.
2. low dissolved oxygen magnetic biochemical treatment system according to claim 1, it is characterized in that, in described exhalant region, be divided into upper and lower two outlet areas, rising pipe described in upper water-out joint area, lower outlet area connects an external reflux pump, and the other end of this external reflux pump is connected to oxygen deprivation pond.
3. low dissolved oxygen magnetic biochemical treatment system according to claim 2, is characterized in that, the volume ratio of Yu Xia outlet area, described upper water-out region is 1:1.
4. low dissolved oxygen magnetic biochemical treatment system according to claim 1, is characterized in that, described mud-water separation arranges inclined plate packing in district.
5. low dissolved oxygen magnetic biochemical treatment system according to claim 1, is characterized in that, the outlet of described magnetic drum separator also connects a road excess sludge discharge pipe.
6. utilize the technique that low dissolved oxygen magnetic biochemical treatment system carries out wastewater treatment described in the arbitrary claim of claim 1～5, it is characterized in that, comprise the steps:
In oxygen deprivation pond and oxygen enrichment pond, add magnetic carrier, in debug process, active sludge loads on and on this magnetic carrier, forms magnetic carrier supported active mud;
Described waste water enters mud-water separation district successively after oxygen deprivation pond and the processing of oxygen enrichment pond, and after mud-water separation, clear water enters exhalant region, is finally got rid of by rising pipe;
Mud after mud-water separation is sent in magnetic drum separator and is separated, and separates the magnetic carrier obtaining and is back in oxygen deprivation pond, excess sludge discharge;
In reaction process by blower fan and aerating apparatus to oxygen supply in oxygen enrichment pond, the oxygen capacity maintaining in oxygen enrichment pond is 1～2mg/L; By internal reflux pump by the sludge reflux of oxygen enrichment pond end to oxygen deprivation pond, external reflux pump by the sludge reflux of exhalant region bottom to oxygen deprivation pond.
7. technique according to claim 6, is characterized in that, the dosage of magnetic carrier in oxygen deprivation pond and oxygen enrichment pond is 1～3g/L.
8. technique according to claim 6, is characterized in that, described waste water is 2～4h at the hydraulic detention time in oxygen deprivation pond, and the hydraulic detention time in oxygen enrichment pond is 8～24h.
9. technique according to claim 6, is characterized in that, described magnetic substance particle diameter is 500 order～800 orders, and proportion is 2.5.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105967335A (en) * | 2016-07-18 | 2016-09-28 | 王伟 | Solar sewage treatment system |
| CN106315969A (en) * | 2015-06-25 | 2017-01-11 | 麦王环境技术股份有限公司 | Integrated wastewater treatment equipment of IBR (integral biological reactor) and treatment process |
| CN112830572A (en) * | 2021-02-25 | 2021-05-25 | 江苏联合创业环保有限公司 | Sewage treatment tank and sewage treatment method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101597105A (en) * | 2009-06-11 | 2009-12-09 | 浙江省环境保护科学设计研究院 | A kind of preparation method who is used for the magnetic carrier of processing technique of sewage biological fluidized bed |
| CN202054705U (en) * | 2011-04-11 | 2011-11-30 | 北京工业大学 | Magnetic loading A2/O sewage treatment device |
| CN102775019A (en) * | 2012-07-25 | 2012-11-14 | 华南理工大学 | Coupling type sewage de-phosphorization purification regeneration treatment technique |
-
2014
- 2014-05-05 CN CN201410186520.6A patent/CN104163497B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101597105A (en) * | 2009-06-11 | 2009-12-09 | 浙江省环境保护科学设计研究院 | A kind of preparation method who is used for the magnetic carrier of processing technique of sewage biological fluidized bed |
| CN202054705U (en) * | 2011-04-11 | 2011-11-30 | 北京工业大学 | Magnetic loading A2/O sewage treatment device |
| CN102775019A (en) * | 2012-07-25 | 2012-11-14 | 华南理工大学 | Coupling type sewage de-phosphorization purification regeneration treatment technique |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315969A (en) * | 2015-06-25 | 2017-01-11 | 麦王环境技术股份有限公司 | Integrated wastewater treatment equipment of IBR (integral biological reactor) and treatment process |
| CN105967335A (en) * | 2016-07-18 | 2016-09-28 | 王伟 | Solar sewage treatment system |
| CN112830572A (en) * | 2021-02-25 | 2021-05-25 | 江苏联合创业环保有限公司 | Sewage treatment tank and sewage treatment method |
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| CN104163497B (en) | 2016-03-02 |
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