CN102992476A - Process, device and system for biological treatment for internal reflux sewage by magnetic-loading magnetic sludge - Google Patents
Process, device and system for biological treatment for internal reflux sewage by magnetic-loading magnetic sludge Download PDFInfo
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- CN102992476A CN102992476A CN2012103827159A CN201210382715A CN102992476A CN 102992476 A CN102992476 A CN 102992476A CN 2012103827159 A CN2012103827159 A CN 2012103827159A CN 201210382715 A CN201210382715 A CN 201210382715A CN 102992476 A CN102992476 A CN 102992476A
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Abstract
The invention discloses a process, a device and a system for biological treatment for internal reflux sewage by magnetic-loading magnetic sludge, wherein the process, the device and the system for the biological treatment adopt a completely-mixed type active sludge aeration basin, common active sludge is inoculated and a certain amount of magnetic powder is poured in the basin before running, and the common active sludge and the magnetic powder are gradually cultured to be magnetic active sludge during running. A weakly-magnetic solid-liquid separator is arranged on the upper part of a magnetic active sludge biological reaction basin and close to a liquid level, the separator has a main function of performing separation for magnetic active sludge and water on a sludge-water mixture in the reaction basin, the separated magnetic active sludge directly returns into the magnetic active sludge biological reaction basin to increase sludge concentration and treatment efficiency, and the treated clean water which reaches the standard is directly drained. Via the process, the device and the system disclosed by the invention, the efficiency of degrading pollutants and the capacity of resisting an impact load of the treatment system are improved; and moreover, a secondary sedimentation basin, a sludge reflux system and a sludge concentration basin which need to be arranged in the conventional active sludge process are omitted, so that the process is small in floor area, high in treatment efficiency, simple in structure and low in construction cost.
Description
Technical field
The invention belongs to the dirty water living creature processing technique field, but be specifically related to a kind of sewage treatment process and apparatus system that is applicable to the high concentrated organic wastewater of biochemical treatment.
Background technology
The beginning of this century, the magnetic loading technique began to be applied to the water treatment aspect, but mainly was to be used in the process of coagulating sedimentation at present.The magnetic loading technique mainly is to add magnetic (Fe in flocculation process
3O
4), magnetic is examined the effect of having played enhanced flocculation as wadding, and the density of floc particle and particle diameter are improved greatly.In follow-up precipitation part, magnetic loads the settling velocity of flco much larger than common flco, has greatly reduced desilting area.The research that the magnetic loading technique is applied in the biological sewage treatment (activated sludge process) is rare in China, and mainly be by in the activated sludge reaction pond, adding magnetic in the research abroad, obtain the magnetic active sludge, improve solid-liquid separation efficiency, indirectly improve the activated sludge concentration of reactive moieties, comparatively ripe magnetic loads active sludge biological reaction tank technique and mainly contains two kinds at present:
The first technique is that the mixing pit after the active sludge biological reaction tank adds magnetic, and active sludge is combined with magnetic as good flocs unit after (visual particular case adds coagulant aids), enters the secondary sedimentation basins rapid precipitation again; The second technique then directly adds magnetic in the active sludge biological reaction tank, and adding a small amount of coagulating agent, the absorption of active sludge flco is attached to the magnetic surface, forms the granule sludge take magnetic as core, improve the biomass in the reaction tank, to improve removal of pollutants efficient; Magnetic mud then after the follow-up secondary sedimentation basins rapid precipitation of biological reaction tank, discharge by clear water, and a part of mud directly refluxes, and excess sludge is through the mud magnetic separator, and magnetic is recycled, and mud is discharged system.
These two kinds of magnetic load the active sludge technology, utilize settling tank to carry out the gravity type boat davit solid-liquid separation.These two kinds of technical approach do not utilize the characteristic of magnetic active sludge well, and solid-liquid separation efficiency is far below the magnetic-type solid-liquid separation, and the activated sludge concentration of bio-reaction zone is also lower.In addition, gravity type boat davit needs that also settling tank is set has increased engineering cost, can not utilize externally-applied magnetic field to improve microbic activity.
Summary of the invention
The object of the invention provides a kind of magnetic and loads magnetic mud internal reflux biologic process for treating sewage and apparatus system, processing method of the present invention and system can overcome the deficiency of above existence, the magnetic that active sludge obtains after not only having utilized well magnetic to load, utilize weak magnetic solid-liquid separator that magnetic mud is directly passed back into biological reaction tank, further improve the activated sludge concentration of reaction tank, and do not need to arrange second pond.Simultaneously, the residue that produces for native system contains the magnetic active sludge, then by being arranged on the ferromagnetism magnetic mud separator of biological reaction tank outside, excess sludge is thoroughly separated with magnetic, magnetic is sent back in the biological reaction tank, and excess sludge then is sent to the sludge dewatering system treatment and disposal.
For realizing that the technical scheme that the object of the invention adopts is: a kind of magnetic loads magnetic mud internal reflux biologic process for treating sewage, and its processing step is as follows:
1, cultivates the domestication process.Magnetic active sludge biological reaction tank adopts complete hybrid active sludge aeration tank, inoculates ordinary activated sludge before the operation and add a certain amount of magnetic in the pond, is in operation and cultivates into gradually the magnetic active sludge.Sewage evenly enters the active sludge aeration tank by water inlet pipe and the water distribution system that is located at the bottom, aeration tank; Above the water distribution system of bottom, active sludge aeration tank, evenly lay airline and air-diffuser, adopt the gas blower air supply and through air-diffuser delivering oxygen in the water, required oxygen when satisfying the microbiological deterioration pollutent, make ordinary activated sludge and magnetic all be in suspended state, said process carries out middle magnetic to be become the wadding karyomorphism by active sludge parcel gradually and becomes the magnetic active sludge, and the magnetic active sludge (micropopulation) of suspended state utilizes the organic pollutant in its huge surface-area absorption sewage.
2, at full capacity normally operation.Near the liquid level place some weak magnetic solid-liquid separators are set on magnetic active sludge biological reaction tank top, weak magnetic solid-liquid separator is comprised of weak magnetic rotation magnetic bucket and semi-cylindrical shaped tank, weak magnetic rotation magnetic bucket its half is submerged in the water all the time during work, second half exposes liquid level, and the rubbernet that it is suitable that the magnetic bucket is selected magneticstrength is made; Tank one side is provided with cleaning shoe along its length, and cleaning shoe is close to weak magnetic rotation magnetic bucket surface, in order to scrape the magnetic active sludge that is attached to magnetic bucket surface.During normal operation is processed at full capacity, one side end face of semi-cylindrical shaped tank is equal with liquid level, so that the mud mixture after degrading in the magnetic active sludge biological reaction tank can enter the clearance space between semi-cylindrical shaped tank and the weak magnetic rotation magnetic bucket, the magnetic active sludge can very rapidly be adsorbed by the rubbernet on magnetic bucket surface, simultaneously since magneticstrength a little less than, magnetic can't separate with active sludge.Rotation along with the magnetic bucket, the magnetic active sludge that is adsorbed produces the water surface and is struck off by the cleaning shoe of side and fall after rise to reaction tank, the clear water pipe that clear water after the solid-liquid separation then arranges from cleaning shoe bottom tank is drawn and is entered clean water basin, and the water outlet concentration of suspension can reach processing requirements.Considering that magnetic active sludge in the mixture that enters in the tank may have under special conditions is not adsorbed by the magnetic bucket on a small quantity and is deposited on bottom of gullet, so be provided with mud-collecting slot and shore pipe at bottom of gullet, regularly the magnetic active sludge of deposition is discharged system.The magnitude setting of weak magnetic solid-liquid separator can according to process the water yield what and process after the size of the concentration of suspension that requires in the water outlet choosing, and be evenly arranged at reaction tank pond face.
3, get rid of mud.Along with constantly carrying out of magnetic active sludge (micropopulation) degradation of organic substances reaction, the magnetic activated sludge concentration constantly increases, when magnetic activated sludge concentration in the magnetic active sludge biological reaction tank surpasses the higher limit that design determines, just must exclusive segment magnetic active sludge to guarantee the optimum operation of reaction tank.When the needs spoil disposal, the magnetic active sludge is entered ferromagnetism mud magnetic separator with a constant static-pressure, magnetic thoroughly separates with active sludge under strong magnetic field action, and magnetic is captured, and residual active sludge is then discharged by the excess sludge discharge pipe and entered follow-up sludge treating system.The magnetic that captures in the separator is regularly gone out with high pressure water, and evenly is back to biological reaction tank to replenish the magnetic amount by the magnetic return line.
The apparatus system of using above-mentioned magnetic loading magnetic mud internal reflux biologic process for treating sewage comprises magnetic active sludge biological reaction tank, weak magnetic solid-liquid separator and ferromagnetism mud magnetic separator.Magnetic active sludge biological reaction tank mainly is comprised of biological reaction tank pond body, water inlet and the activated sludge discharged control valve of water distribution system, air intake duct, air-diffuser and remanence.In body internal upper part position, magnetic active sludge biological reaction tank pond some weak magnetic solid-liquid separators are installed, this weak magnetic solid-liquid separator is comprised of semi-cylindrical shaped tank and weak magnetic rotation magnetic bucket; Semi-cylindrical shaped tank bottom is provided with mud-collecting slot, the mud-collecting slot side is connected with the heavy mud bleed valve of mud-collecting slot, heavy mud delivery pipe, semi-cylindrical shaped sink top one side is equipped with cleaning shoe, is connected with weak magnetic solid-liquid separator rising pipe on the semi-cylindrical shaped tank of cleaning shoe one side; Weak magnetic rotation magnetic bucket by the round shape rubbernet on surface and round shape a little less than magnetic rotation magnetic bucket inner support frame, weak magnetic rotation magnetic bucket transmission shaft, driving motor form.Ferromagnetism mud magnetic separator is comprised of ferromagnetism mud magnetic separator shell, insulation gas cloud, magnetic conduction iron-clad layer, insulation oil reservoir, stainless steel base, iron core, wire coil etc.
Magnetic of the present invention loads magnetic mud internal reflux biologic process for treating sewage and the apparatus system solid-liquid separation efficiency is high, activated sludge concentration is greatly improved in the reaction tank, and secondary sedimentation basins and sludge thickener have been saved, make this technique floor space little, processing efficiency is high, simple in structure, construction cost is low.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is that magnetic loads magnetic mud internal reflux biologic process for treating sewage orthographic plan.
Fig. 2 is that magnetic loads magnetic mud internal reflux biologic process for treating sewage sectional view.
Fig. 3 is weak magnetic solid-liquid separator orthographic plan.
Fig. 4 is weak magnetic solid-liquid separator sectional view.
Fig. 5 is the internal structure profile in plan of ferromagnetism mud magnetic separator.
Fig. 6 is the sectional side elevation of ferromagnetism mud magnetic separator.
1. water inlet and water distribution system, 2. air intake duct, 3. magnetic active sludge biological reaction tanks among the figure, 4. semi-cylindrical shaped tank, 5. weak magnetic rotation magnetic bucket, 6. weak magnetic solid-liquid separator rising pipe, 7. clean water basin, 8. clear water delivery pipe, 9. high pressure washing water pump, 10. high pressure washing pipeline, 11. high pressure washing water control valves, 12. magnetic recycle control valves, 13. the excess sludge discharge valve, 14. ferromagnetism mud magnetic separators, 15. magnetic return lines, 16. the excess sludge discharge pipe, 17. driving motors, 18. weak magnetic rotation magnetic bucket transmission shafts, 19. weak magnetic solid-liquid separator outlet water control valve, 20. the activated sludge discharged control valve of remanence, 21. mud-collecting slots, 22. cleaning shoes, 23. weak magnetic rotation magnetic bucket inner support frame, 24. ferromagnetism mud magnetic separator shell, 25. insulation gas clouds, 26. magnetic conduction iron-clad layers, 27. insulation oil reservoir, 28. stainless steel base, 29. magnetics, the mud separate chamber, 30. iron cores, 31. wire coil, 32. mud-collecting slot sinks the mud bleed valve, 33. heavy mud delivery pipes, 34. air-diffusers.
Embodiment
Can find out that in Fig. 1 to Fig. 5 magnetic loads the apparatus system of magnetic mud internal reflux biologic process for treating sewage, comprise that mainly magnetic active sludge biological reaction tank, weak magnetic solid-liquid separator and ferromagnetism mud magnetic separator form.Magnetic active sludge biological reaction tank (3) mainly is comprised of biological reaction tank pond body, water inlet and water distribution system (1), air intake duct (2), air-diffuser (34) and the activated sludge discharged control valve of remanence (20).In internal upper part position, magnetic active sludge biological reaction tank (3) pond weak magnetic solid-liquid separator is installed, this separator is comprised of semi-cylindrical shaped tank (4) and weak magnetic rotation magnetic bucket (5); Semi-cylindrical shaped tank (4) bottom is provided with mud-collecting slot (21), mud-collecting slot (21) side is connected with the heavy mud bleed valve (32) of mud-collecting slot, heavy mud delivery pipe (33), semi-cylindrical shaped tank (4) top one side is equipped with cleaning shoe (22), is connected with weak magnetic solid-liquid separator rising pipe (6) on the semi-cylindrical shaped tank (4) of cleaning shoe (22) one sides; Weak magnetic rotation magnetic bucket (5) by the round shape rubbernet on surface and round shape a little less than magnetic rotation magnetic bucket inner support frame (23), weak magnetic rotation magnetic bucket transmission shaft (18), driving motor (17) form.Ferromagnetism mud magnetic separator (14) is comprised of ferromagnetism mud magnetic separator shell (24), insulation gas cloud (25), magnetic conduction iron-clad layer (26), insulation oil reservoir (27), stainless steel base (28), iron core (30), wire coil (31) etc.
In Fig. 1 and Fig. 2, magnetic active sludge biological reaction tank (3) will tame process through the cultivation of active sludge first before dropping into commencement of commercial operation and magnetic loads culturing process, reaction tank starts forebay domestic demand inoculation ordinary activated sludge, make the starting point concentration of the interior ordinary activated sludge of magnetic active sludge biological reaction tank (3) be not less than 3500mg/l, then for the first time take manually to dispense and add magnetic (Fe
3O
4), dosage is 4g/L; Through pretreated organic sewage according to design discharge 50% by intaking and water distribution system (1) evenly enters magnetic active sludge biological reaction tank (3), by air intake duct (2) and be evenly arranged in the sewage of air-diffuser (34) in the magnetic active sludge biological reaction tank (3) on pond body bottom and water inlet and the water distribution system (1) and blast air, carry out uniform aeration the required oxygen of bacteria metabolism to be provided and to provide current to stir power, make ordinary activated sludge and magnetic all be in suspended state, said process carries out middle magnetic to be become the wadding karyomorphism by active sludge parcel gradually and becomes the magnetic active sludge, the magnetic active sludge (micropopulation) of suspended state utilizes the organic pollutant in its huge surface-area absorption sewage, and under aerobic environment organic substance decomposing is become carbonic acid gas and water and degraded; Carrying out along with degradation process, it is large that the particle diameter of magnetic active sludge constantly becomes, when magnetic activated sludge concentration in the magnetic active sludge biological reaction tank (3) constantly increases to about 6000mg/l and the degradation effect of organic pollutant is stablized, cultivate the domestication end of processing, after this can access at full capacity organic sewage and carry out normal processing; During normal operation is processed at full capacity, one side end face of semi-cylindrical shaped tank (4) is equal with liquid level, so that the mud mixture after degrading in the magnetic active sludge biological reaction tank (3) can enter the clearance space between semi-cylindrical shaped tank (4) and the weak magnetic rotation magnetic bucket (5), the magnetic active sludge can be very rapidly by the rubbernet absorption on weak magnetic rotation magnetic bucket (5) surface, simultaneously since magneticstrength a little less than, magnetic can't break away from active sludge.At Fig. 3, among Fig. 4, weak magnetic rotation magnetic bucket (5) by the round shape rubbernet on surface and round shape a little less than magnetic rotation magnetic bucket inner support frame (23), weak magnetic rotation magnetic bucket transmission shaft (18), driving motor (17) forms, along with the rotation of magnetic bucket under the effect of driving motor (17) and weak magnetic rotation magnetic bucket transmission shaft (18) (among the figure for clockwise rotating), the magnetic active sludge that is adsorbed produces cleaning shoe (22) that the water surface is installed in semi-cylindrical shaped tank (4) another side with the magnetic bucket and strikes off and fall after rise to magnetic active sludge biological reaction tank (3), clear water after the solid-liquid separation is then drawn from the weak magnetic solid-liquid separator rising pipe (6) that is installed in cleaning shoe (22) bottom semi-cylindrical shaped tank (4) setting and is entered clean water basin (7), the amount of drainage water can be controlled by weak magnetic solid-liquid separator outlet water control valve (19), organism and concentration of suspension can reach processing requirements in this clear water, except storing for a certain amount of clear water of flushing, unnecessary clear water is then by clear water delivery pipe (8) discharge system in the clean water basin (7); Considering in the mud mixture that enters in the semi-cylindrical shaped tank (4) that the magnetic active sludge may have under special conditions is not adsorbed by the magnetic bucket and free setting is deposited on semi-cylindrical shaped tank (4) bottom on a small quantity, so be provided with mud-collecting slot (21) at this bottom of gullet, regularly with the magnetic active sludge of deposition by heavy mud bleed valve (32) control of mud-collecting slot and by heavy mud delivery pipe (33) discharge system.
Along with constantly carrying out of magnetic active sludge (micropopulation) degradation of organic substances reaction, microorganism also constantly breeds, show as the continuous increase of magnetic activated sludge concentration, when magnetic activated sludge concentration in the magnetic active sludge biological reaction tank (3) surpasses the higher limit that design determines, just necessary exclusive segment magnetic active sludge is to guarantee the optimum operation of reaction tank, when the needs spoil disposal, open the activated sludge discharged control valve of remanence (20) and excess sludge discharge valve (13), the mixed solution of magnetic active sludge and water directly enters ferromagnetism mud magnetic separator (14), this process mesohigh wash-water pump (9), high pressure washing water control valve (11), magnetic recycle control valve (12) is in closing condition.
After the magnetic active sludge enters ferromagnetism mud magnetic separator (14) with a constant static-pressure, in the magnetic of this separator, mud separate chamber (29), magnetic thoroughly separates with active sludge under strong magnetic field action, magnetic is captured, and residual active sludge is then discharged by excess sludge discharge pipe (16) and entered follow-up sludge treating system.When magnetic capture time or resistance reach capping in the ferromagnetism mud magnetic separator (14), close the activated sludge discharged control valve of remanence (20) and excess sludge discharge valve (13), open simultaneously magnetic recycle control valve (12), high pressure washing water control valve (11), and startup high pressure washing water pump (9), the clear water that is extracted from clean water basin (7) by high pressure washing water pump (9) directly enters magnetic in the ferromagnetism mud magnetic separator (14) by high pressure washing pipeline (10) and high pressure washing water control valve (11) after pressurization, magnetic is gone out by mud separate chamber (29), and magnetic is by magnetic recycle control valve (12), magnetic return line (15) evenly returns and continues in the magnetic active sludge biological reaction tank (3) to use.
In Fig. 5 and Fig. 6, ferromagnetism mud magnetic separator (14) is comprised of ferromagnetism mud magnetic separator shell (24), insulation gas cloud (25), magnetic conduction iron-clad layer (26), insulation oil reservoir (27), stainless steel base (28), iron core (30), wire coil (31) etc.; During the work of ferromagnetism mud magnetic separator (14), the wire coil (31) that is wrapped on the iron core (30) is switched on the power generation foreign field, at magnetic, the stainless steel base (28) that the surface-area of making of the magnetic stainless steel silk in the mud separate chamber (29) is huge is got involved magnetic field, chaotic Distribution of Magnetic Field, form very high field gradient at regional area, open the activated sludge discharged control valve of remanence (20) and excess sludge discharge valve (13) this moment, the magnetic active sludge enters ferromagnetism mud magnetic separator (14) with certain pressure, magnetic is trapped in the surface of stainless steel base (28), and residual active sludge then passes stainless steel base (28) and enters follow-up sludge treating system by excess sludge discharge pipe (16) discharge; When stainless steel base (28) catches time of magnetic or resistance increment and reaches capping, need close the activated sludge discharged control valve of remanence (20) and excess sludge discharge valve (13) this moment, cut off the electricity supply simultaneously to eliminate foreign field, open magnetic recycle control valve (12), high pressure washing water control valve (11) and start high pressure washing water pump (9), the upper magnetic that captures of stainless steel base (28) is washed and evenly return interior continuation of magnetic active sludge biological reaction tank (3) by magnetic return line (15) and use with high pressure water.
Claims (5)
1. a magnetic loads magnetic mud internal reflux biologic process for treating sewage, and its processing step is as follows:
(1), cultivate the domestication process: magnetic active sludge biological reaction tank adopts complete hybrid active sludge aeration tank, in the pond, inoculate ordinary activated sludge before the operation and add a certain amount of magnetic, be in operation and cultivate into gradually the magnetic active sludge, sewage evenly enters the active sludge aeration tank by water inlet pipe and the water distribution system that is located at the bottom, aeration tank; Above the water distribution system of bottom, active sludge aeration tank, evenly lay airline and air-diffuser, adopt the gas blower air supply and through air-diffuser delivering oxygen in the water, required oxygen when satisfying the microbiological deterioration pollutent, make ordinary activated sludge and magnetic all be in suspended state, said process carries out middle magnetic to be become the wadding karyomorphism by active sludge parcel gradually and becomes the magnetic active sludge, and the magnetic active sludge (micropopulation) of suspended state utilizes the organic pollutant in its huge surface-area absorption sewage;
(2), at full capacity normally operation: near the liquid level place some weak magnetic solid-liquid separators are set on magnetic active sludge biological reaction tank top, weak magnetic solid-liquid separator is comprised of weak magnetic rotation magnetic bucket and semi-cylindrical shaped tank, weak magnetic rotation magnetic bucket its half is submerged in the water all the time during work, second half exposes liquid level, and the rubbernet that it is suitable that the magnetic bucket is selected magneticstrength is made; Tank one side is provided with cleaning shoe along its length, and cleaning shoe is close to weak magnetic rotation magnetic bucket surface, in order to scrape the magnetic active sludge that is attached to magnetic bucket surface; During normal operation is processed at full capacity, one side end face of semi-cylindrical shaped tank is equal with liquid level, so that the mud mixture after degrading in the magnetic active sludge biological reaction tank can enter the clearance space between semi-cylindrical shaped tank and the weak magnetic rotation magnetic bucket, the magnetic active sludge can very rapidly be adsorbed by the rubbernet on magnetic bucket surface, simultaneously since magneticstrength a little less than, magnetic can't separate with active sludge; Rotation along with the magnetic bucket, the magnetic active sludge that is adsorbed produces the water surface and is struck off by the cleaning shoe of side and fall after rise to reaction tank, the clear water pipe that clear water after the solid-liquid separation then arranges from cleaning shoe bottom tank is drawn and is entered clean water basin, and the water outlet concentration of suspension reaches processing requirements;
(3), get rid of mud: when magnetic activated sludge concentration in the magnetic active sludge biological reaction tank surpasses the higher limit that design determines, need exclusive segment magnetic active sludge to guarantee the optimum operation of reaction tank; When getting rid of mud, the magnetic active sludge is entered ferromagnetism mud magnetic separator with a constant static-pressure, magnetic thoroughly separates with active sludge under strong magnetic field action, and magnetic is captured, and residual active sludge is then discharged by the excess sludge discharge pipe and entered follow-up sludge treating system; The magnetic that captures in the separator is regularly gone out with high pressure water, and evenly is back to biological reaction tank to replenish the magnetic amount by the magnetic return line.
2. magnetic according to claim 1 loads the apparatus system of magnetic mud internal reflux biologic process for treating sewage, described apparatus system comprises magnetic active sludge biological reaction tank, weak magnetic solid-liquid separator and ferromagnetism mud magnetic separator, it is characterized in that magnetic active sludge biological reaction tank mainly is comprised of biological reaction tank pond body, water inlet and the activated sludge discharged control valve of water distribution system, air intake duct, air-diffuser and remanence; Some weak magnetic solid-liquid separators are installed in internal upper part position, magnetic active sludge biological reaction tank pond, this separator is comprised of semi-cylindrical shaped tank and weak magnetic rotation magnetic bucket, semi-cylindrical shaped tank bottom is provided with mud-collecting slot, the mud-collecting slot side is connected with the heavy mud bleed valve of mud-collecting slot, heavy mud delivery pipe, semi-cylindrical shaped sink top one side is equipped with cleaning shoe, is connected with weak magnetic solid-liquid separator rising pipe on the semi-cylindrical shaped tank of cleaning shoe one side; Weak magnetic rotation magnetic bucket by the round shape rubbernet on surface and round shape a little less than magnetic rotation magnetic bucket inner support frame, weak magnetic rotation magnetic bucket transmission shaft, driving motor form; Ferromagnetism mud magnetic separator is comprised of ferromagnetism mud magnetic separator shell, insulation gas cloud, magnetic conduction iron-clad layer, insulation oil reservoir, stainless steel base, iron core, wire coil etc.
3. magnetic according to claim 2 loads the apparatus system of magnetic mud internal reflux biologic process for treating sewage, it is characterized in that being provided with mud-collecting slot and shore pipe at the bottom of gullet of weak magnetic solid-liquid separator.
4. magnetic according to claim 2 loads the apparatus system of magnetic mud internal reflux biologic process for treating sewage, the magnitude setting of magnetic solid-liquid separator can be chosen according to the size of the concentration of suspension that requires in the rear water outlet of what and processing of processing the water yield a little less than it is characterized in that, and is evenly arranged at reaction tank pond face.
5. magnetic according to claim 1 loads magnetic mud internal reflux biologic process for treating sewage, it is characterized in that in the step poly-(3), during the work of ferromagnetism mud magnetic separator, the wire coil that is wrapped on the iron core is switched on the power generation foreign field, at magnetic, the stainless steel base that the surface-area of making of the magnetic stainless steel silk in the mud separate chamber is huge is got involved magnetic field, chaotic Distribution of Magnetic Field, form very high field gradient at regional area, open the activated sludge discharged control valve of remanence and excess sludge discharge valve this moment, the magnetic active sludge enters ferromagnetism mud magnetic separator with certain pressure, magnetic is trapped in the surface of stainless steel base, and residual active sludge then passes stainless steel base and enters follow-up sludge treating system by the discharge of excess sludge discharge pipe; When stainless steel base catches time of magnetic or resistance increment and reaches capping, need close the activated sludge discharged control valve of remanence and excess sludge discharge valve this moment, cut off the electricity supply simultaneously to eliminate foreign field, open magnetic recycle control valve, high pressure washing water control valve and start the high pressure washing water pump, the magnetic that captures on the stainless steel base is washed and evenly return in the magnetic active sludge biological reaction tank by the magnetic return line with high pressure water and continue to use.
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| CN105836887A (en) * | 2016-06-08 | 2016-08-10 | 太平洋水处理工程有限公司 | Aerobic heavy medium activated sludge reactor for water treatment |
| CN105836887B (en) * | 2016-06-08 | 2019-06-28 | 太平洋水处理工程有限公司 | A kind of simultaneous oxygen dense media activated sludge reactor of water process |
| CN105948418A (en) * | 2016-07-18 | 2016-09-21 | 汪浩 | Sewage purifying technology and use method thereof |
| CN108046510A (en) * | 2018-01-10 | 2018-05-18 | 安徽普氏生态环境工程有限公司 | A kind of sewage disposal device and its technique based on zeolite powder adsorbent |
| CN108726669A (en) * | 2018-04-20 | 2018-11-02 | 温州大学苍南研究院 | A kind of method that magnetic activated sludge process synchronizes a variety of non-steroidal estrogenics of removal |
| CN112010529A (en) * | 2020-09-16 | 2020-12-01 | 安徽华骐环保科技股份有限公司 | Sludge low-temperature dryer and use method thereof |
| CN116924561A (en) * | 2023-09-18 | 2023-10-24 | 昆山鹿城垃圾发电有限公司 | Household garbage wastewater treatment equipment and method |
| CN116924561B (en) * | 2023-09-18 | 2023-12-29 | 昆山鹿城垃圾发电有限公司 | Household garbage wastewater treatment equipment and method |
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