CN104118934B - A kind of air water co-flow magnetic force enhanced biological filters water cleaning systems and process for purifying water - Google Patents

A kind of air water co-flow magnetic force enhanced biological filters water cleaning systems and process for purifying water Download PDF

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CN104118934B
CN104118934B CN201410313376.8A CN201410313376A CN104118934B CN 104118934 B CN104118934 B CN 104118934B CN 201410313376 A CN201410313376 A CN 201410313376A CN 104118934 B CN104118934 B CN 104118934B
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filter material
material layer
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CN104118934A (en
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冯岩
汪少华
冯升
苏宁
王博
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University of Jinan
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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    • Y02W10/10Biological treatment of water, waste water, or sewage

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Abstract

本发明公开了一种气水同向流磁力强化生物过滤净水系统及净水方法。气水同向流磁力强化生物过滤净水系统的磁性生物滤料层位于净水系统内部,磁性生物滤料层外部被电磁场发生装置的螺旋线圈缠绕,螺旋线圈通过阳极线、阴极线与直流电源相连,磁性生物滤料层底部与溶气配水室通过塑料多孔板的形式相连接,溶气配水室接有曝气装置和反冲洗装置,整个系统的气水流同向,均由下而上。本发明的净水方法,包括如下步骤:(1)原水在溶气配水室里与气体混合;(2)磁场强化;(3)物理过滤、截留;(4)好氧生物处理;(5)出净水。本发明的净水系统将磁场和生物作用耦合在一个反应器内,加强了整体的处理效果,出水水质稳定。

The invention discloses a water purification system and a water purification method of air-water co-current flow magnetic force enhanced biological filtration. The magnetic biological filter material layer of the air-water co-flow magnetic force enhanced biological filtration water purification system is located inside the water purification system, and the outside of the magnetic biological filter material layer is wound by the helical coil of the electromagnetic field generator, and the helical coil passes through the anode wire, cathode wire and DC power supply The bottom of the magnetic biological filter material layer is connected with the dissolved air water distribution chamber through a plastic porous plate. The dissolved air water distribution chamber is connected with an aeration device and a backwash device. The air and water flow of the entire system are in the same direction, from bottom to top. The water purification method of the present invention includes the following steps: (1) raw water is mixed with gas in the dissolved air water distribution chamber; (2) magnetic field strengthening; (3) physical filtration and interception; (4) aerobic biological treatment; (5) out of clean water. The water purification system of the present invention couples the magnetic field and the biological action in one reactor, which enhances the overall treatment effect and stabilizes the water quality of the effluent.

Description

一种气水同向流磁力强化生物过滤净水系统及净水方法 Air-water co-flow magnetic force enhanced biological filtration water purification system and water purification method

技术领域 technical field

本发明属于废水处理技术领域,特别是涉及一种可用于污水处理的气水同向流磁力强化生物过滤净水系统及净水方法。 The invention belongs to the technical field of waste water treatment, and in particular relates to an air-water co-flow magnetically enhanced biological filtration water purification system and a water purification method that can be used for sewage treatment.

背景技术 Background technique

目前我国污水处理排放量与排放总量的严重失调,大量污水进入自然水体导致了严 At present, there is a serious imbalance between the amount of sewage treatment discharge and the total discharge in my country, and a large amount of sewage enters natural water bodies, which has caused severe pollution.

重的水环境污染,使已十分严重的水资源短缺状况更加严峻。众所周知,城市污水常用物化加生化法进行处理,生物法如:氧化沟、改良SBR 以及传统活性污泥法等工艺在污水处理中比比皆是,但这些方法流程长、投资高,占地面积大。鉴于此,急需开发一种处理效率高、操作方便、体积小且能就地安装的反应器。 Heavy water pollution has made the already serious water shortage situation even more severe. As we all know, urban sewage is often treated by physicochemical and biochemical methods. Biological methods such as oxidation ditch, improved SBR and traditional activated sludge methods are common in sewage treatment, but these methods have long process, high investment and large area . In view of this, it is urgent to develop a reactor with high processing efficiency, convenient operation, small volume and in-situ installation.

本发明在同一个反应器内通过电磁强化技术,提高生物滤池的去除污染物能力,达到互补和增强处理效果的目的,从而实现提高污水的去除效率,降低设备投资,占地面积小,易于就地安装。 The present invention uses electromagnetic strengthening technology in the same reactor to improve the pollutant removal ability of the biofilter, achieve the purpose of complementing and enhancing the treatment effect, thereby realizing the improvement of sewage removal efficiency, reducing equipment investment, occupying a small area, and being easy to use. Install in place.

发明内容 Contents of the invention

本发明的目的在于解决上述的问题,提供了一种气水同向流磁力强化生物滤池净水系统及净水方法。 The purpose of the present invention is to solve the above problems, and provides a water purification system and a water purification method of an air-water co-flow magnetically enhanced biological filter.

为解决上述问题,本发明包括气水同向流磁力强化生物滤池,溶气配水室。 In order to solve the above-mentioned problems, the present invention includes an air-water co-flow magnetic force enhanced biological filter and a dissolved air water distribution chamber.

所述的气水同向流磁力强化生物滤池包括磁性生物滤料层和电磁场产生装置,磁性生物滤料层位于净水系统内部,磁性生物滤料层外部被电磁场发生装置的螺旋线圈缠绕,电磁场发生装置主要包括直流电源、阳极线、阴极线、螺旋线圈和滑动电阻,直流电源通过阳极线、阴极线分别和螺旋线圈上下端相连,磁性生物滤料层底部与承托层连接,承托层通过塑料多孔板与溶气配水室相连通,气水同向,均由下向上在净水系统中流动。 The air-water co-flow magnetically enhanced biological filter includes a magnetic biological filter material layer and an electromagnetic field generating device, the magnetic biological filter material layer is located inside the water purification system, and the magnetic biological filter material layer is externally wound by a helical coil of the electromagnetic field generating device, The electromagnetic field generating device mainly includes DC power supply, anode wire, cathode wire, helical coil and sliding resistance. The DC power supply is connected to the upper and lower ends of the helical coil through the anode wire and cathode wire respectively, and the bottom of the magnetic biological filter layer is connected to the supporting layer. The layer is connected with the dissolved air water distribution chamber through a plastic porous plate, and the air and water flow in the same direction in the water purification system from bottom to top.

所述的气水同向磁力强化生物滤池为圆柱型,装填3-5mm钢渣基磁性滤料,高度1200mm。 The air-water co-directional magnetically enhanced biological filter is cylindrical, filled with 3-5mm steel slag-based magnetic filter material, and has a height of 1200mm.

所述的溶气配水室安装有曝气盘、曝气管、反冲洗进水管、污水管、空气压缩机和曝气管连接,反冲洗水泵和反冲洗进水管连接。 The dissolved air water distribution room is equipped with an aeration pan, an aeration pipe, a backwash water inlet pipe, a sewage pipe, an air compressor and an aeration pipe, and a backwash water pump is connected with a backwash water inlet pipe.

一种采用上述所述的一种气水同向流磁力强化生物滤池净水方法,包括如下步骤:(1)向高位水箱引入污水,经过计量泵计量,进入溶气配水室;(2)向溶气配水室通入压缩空气,气水体积比为5:1-3:1;(3)溶气后的水,流入磁性生物滤料层,气水流以向上形式流过滤料层;(4)直流电源通过阳极线、阴极线分别和螺旋线圈上下端相连,提供0-30V电压,通过调节滑动电阻提供不同的磁力强度;(6)在磁场作用下,通过磁性生物滤料层的水从净水出水管排出;(7)运行一段时间后对气水同向流磁力强化生物滤池净水系统进行反冲洗,先气洗3分钟,然后同时水洗和气洗5分钟,再水洗8分钟。 A water purification method using the above-mentioned air-water co-current flow magnetically enhanced biological filter, comprising the following steps: (1) introducing sewage into the high-level water tank, metering it through a metering pump, and entering the dissolved air water distribution chamber; (2) Inject compressed air into the dissolved air water distribution chamber, and the air-to-water volume ratio is 5:1-3:1; (3) The water after dissolved air flows into the magnetic biological filter material layer, and the air-water flow flows upward into the filter material layer; ( 4) The DC power supply is connected to the upper and lower ends of the helical coil through the anode wire and the cathode wire respectively, providing a voltage of 0-30V, and providing different magnetic strengths by adjusting the sliding resistance; (6) Under the action of a magnetic field, the water passing through the magnetic biological filter layer Discharge from the clean water outlet pipe; (7) After running for a period of time, backwash the water purification system of the air-water co-flow magnetic enhanced biological filter, first air wash for 3 minutes, then simultaneously wash with water and air for 5 minutes, and then wash with water for 8 minutes .

本发明的有益效果:在电磁场的作用下,生物滤池能大幅度提高反应器对BOD、COD、N、P、重金属等污染物,从而提高整个反应器的处理效果。 Beneficial effects of the present invention: under the action of the electromagnetic field, the biological filter can greatly improve the reactor's treatment of BOD, COD, N, P, heavy metals and other pollutants, thereby improving the treatment effect of the entire reactor.

附图说明 Description of drawings

图1为本发明一种气水同向流磁力强化生物过滤净水系统流程图,结合本图做进一步的说明。 Fig. 1 is a flow chart of an air-water co-flow magnetic force enhanced biological filtration water purification system of the present invention, which will be further explained in conjunction with this figure.

附图1为本发明的流程示意图。 Accompanying drawing 1 is the schematic flow chart of the present invention.

图1中: 1直流电源,2阳极线,3阴极线,4螺旋线圈,5空气压缩机,6曝气管,7曝气盘,8塑料多孔板,9反冲洗进水管,10反冲洗泵,11高位水箱,12污水管,13污水计量泵,14滑动电阻,15净水出水管,16反冲洗出水管,17磁性生物滤料层,18承托层,19溶气配水室。 In Figure 1: 1. DC power supply, 2. Anode line, 3. Cathode line, 4. Helical coil, 5. Air compressor, 6. Aeration tube, 7. Aeration disc, 8. Plastic porous plate, 9. Backwashing water inlet pipe, 10. Backwashing pump , 11 high water tank, 12 sewage pipe, 13 sewage metering pump, 14 sliding resistance, 15 clean water outlet pipe, 16 backwash outlet pipe, 17 magnetic biological filter layer, 18 supporting layer, 19 dissolved air water distribution room.

具体实施方式 detailed description

实施例一:Embodiment one:

附图为本发明的一种具体实施例,该实施例包括高位水箱11中的污水通过污水计量泵13经污水管12进入溶气配水室19,溶气配水室19设有曝气盘7,曝气盘7通过曝气管6与空气压缩机5相连接,以及反冲洗进水管16与反冲洗泵10相连接, 通过空气压缩机5向溶气配水室19充气,为微生物提供充足的氧气,在溶气配水室19内空气和污水进行充分混合后一起经塑料多孔板8进入承托层18,然后进入磁性生物滤料层17,直流电源1通过阳极线2、阴极线3分别和螺旋线圈4上下端相连,通过调节滑动电阻14提供不同的磁力强度,在磁场作用下,通过磁性生物滤料层17的水从净水出水管15排出。 Accompanying drawing is a kind of specific embodiment of the present invention, and this embodiment comprises that the sewage in the high-level water tank 11 enters the dissolved air water distribution chamber 19 through the sewage pipe 12 through the sewage metering pump 13, and the dissolved air water distribution chamber 19 is provided with an aeration pan 7, The aeration pan 7 is connected to the air compressor 5 through the aeration pipe 6, and the backwash water inlet pipe 16 is connected to the backwash pump 10, and the air compressor 5 is used to inflate the dissolved air water distribution chamber 19 to provide sufficient oxygen for microorganisms After the air and sewage are fully mixed in the dissolved air water distribution chamber 19, they enter the supporting layer 18 through the plastic porous plate 8, and then enter the magnetic biological filter material layer 17. The DC power supply 1 passes through the anode wire 2, the cathode wire 3 and the spiral The upper and lower ends of the coil 4 are connected, and different magnetic strengths are provided by adjusting the sliding resistor 14. Under the action of the magnetic field, the water passing through the magnetic biological filter material layer 17 is discharged from the water purification outlet pipe 15.

将高位水箱11中的污水通过污水计量泵13经污水管12进入溶气配水室19,溶气配水室19设有曝气盘7,曝气盘7通过曝气管6与空气压缩机5相连接,以及反冲洗进水管16与反冲洗泵10相连接, 通过空气压缩机5向电溶气配水室19充气,为微生物提供充足的氧气,在溶气配水室19内空气和污水进行充分混合后一起经塑料多孔板8进入承托层18,然后进入磁性生物滤料层17,内填钢渣基磁性滤料17,高度1200mm,直流电源1通过阳极线2、阴极线3分别和螺旋线圈4上下端相连,通过调节滑动电阻14提供不同的磁力强度,在磁场作用下,通过磁性生物滤料层17的水从净水出水管15排出。当达到预定的水头损失时,对气水同向流磁力强化生物过滤系统进行反冲洗,首先由空气压缩机5进行气洗,然后打开反冲洗水泵10加压对气水同向流磁力强化生物过滤净水系统进行气水联合冲洗,之后关闭空气压缩机5,再用反冲洗水泵10加压对气水同向流磁力强化生物过滤净水系统进行水洗,反冲洗的水经反冲洗出水管16排出。 The sewage in the high-level water tank 11 enters the dissolved air water distribution chamber 19 through the sewage metering pump 13 through the sewage pipe 12. The dissolved air water distribution chamber 19 is provided with an aeration pan 7, and the aeration pan 7 communicates with the air compressor 5 through the aeration pipe 6. connection, and the backwash water inlet pipe 16 is connected to the backwash pump 10, and the air compressor 5 is used to inflate the electro-dissolved air water distribution chamber 19 to provide sufficient oxygen for microorganisms, and the air and sewage are fully mixed in the dissolved air water distribution chamber 19 Finally, they enter the supporting layer 18 through the plastic porous plate 8, and then enter the magnetic biological filter material layer 17, which is filled with steel slag-based magnetic filter material 17, with a height of 1200mm. The DC power supply 1 passes through the anode wire 2, cathode wire 3 and the spiral coil 4 respectively The upper and lower ends are connected, and different magnetic strengths are provided by adjusting the sliding resistance 14. Under the action of the magnetic field, the water passing through the magnetic biological filter material layer 17 is discharged from the water purification outlet pipe 15. When the predetermined water head loss is reached, backwash the air-water co-flow magnetic force enhanced biological filtration system. Firstly, the air compressor 5 is used for air washing, and then the backwash water pump 10 is turned on to pressurize the air-water co-flow magnetic force enhanced biological filtration system. The air-water purification system is combined with air-water flushing, and then the air compressor 5 is turned off, and then the backwash water pump 10 is used to pressurize the air-water flow in the same direction and the magnetic force-enhanced biological filtration water purification system is washed, and the backwash water passes through the backwash outlet pipe 16 discharge.

采用上述一种气水同向流磁力强化生物过滤净水方法包括如下步骤:(1)进水水力负荷为8m3/m2·h,经过污水计量泵计量13,通过污水管12进入溶气配水室9;(2)向溶气配水室9通入压缩空气,空气压缩机5压力0.3MPa,气水体积比为5:1;(3)溶气后的水,流入磁性生物滤料层9,气水流以向上形式流过滤料层;(4)直流电源1通过阳极线2、阴极线3分别和螺旋线圈4上下端相连,提供20V电压,调节滑动电阻14提供磁力强度;(5)在磁场作用下,通过磁性生物滤料层17的水从净水出水管15排出;(6)运行一段时间后对气水同向流磁力强化生物滤池净水系统进行反冲洗,先气洗3分钟,然后同时水洗和气洗5分钟,再水洗8分钟。 Using the above-mentioned air-water co-current flow magnetic force enhanced biological filtration water purification method includes the following steps: (1) The hydraulic load of the influent water is 8m 3 /m 2 h, measured by the sewage metering pump 13, and enters the dissolved air through the sewage pipe 12 Water distribution chamber 9; (2) Compressed air is introduced into the dissolved air water distribution chamber 9, the pressure of the air compressor 5 is 0.3MPa, and the air-to-water volume ratio is 5:1; (3) The water after the dissolved air flows into the magnetic biological filter material layer 9. The air-water flow flows upwards through the filter material layer; (4) The DC power supply 1 is connected to the upper and lower ends of the helical coil 4 through the anode wire 2 and the cathode wire 3 respectively, providing 20V voltage, and adjusting the sliding resistance 14 to provide magnetic strength; (5) Under the action of a magnetic field, the water passing through the magnetic biological filter material layer 17 is discharged from the water purification outlet pipe 15; (6) After running for a period of time, backwash the water purification system of the air-water co-flow magnetic force enhanced biological filter, and first air wash 3 minutes, then wash with water and air for 5 minutes at the same time, and then wash with water for 8 minutes.

实施例 Embodiment two :

本具体实施例的气水同向流磁力强化生物滤池净水系统与具体实施例一的气水同向流磁力强化生物滤池净水系统相同。 The water purification system of the air-water co-current flow magnetic force enhanced biological filter in this specific embodiment is the same as the air-water co-current magnetic force enhanced biological filter water purification system in the first embodiment.

本净水方法与具体实施例一净水方法区别在于:曝气的气水体积比为4:1。 The difference between this water purification method and the water purification method in Embodiment 1 is that the air-to-water volume ratio of the aeration is 4:1.

实施例三: Embodiment three:

本具体实施例的气水同向流磁力强化生物滤池净水系统与具体实施例一的气水同向流磁力强化生物滤池净水系统相同。 The water purification system of the air-water co-current flow magnetic force enhanced biological filter in this specific embodiment is the same as the air-water co-current magnetic force enhanced biological filter water purification system in the first embodiment.

本净水方法与具体实施例一净水方法区别在于:曝气的气水体积比为3:1。 The difference between this water purification method and the water purification method in Embodiment 1 is that the air-to-water volume ratio of the aeration is 3:1.

Claims (4)

1.一种气水同向流磁力强化生物过滤净水系统,其特征在于:该系统由气水同向流磁力强化生物滤池,溶气配水室(19)构成;气水同向流磁力强化生物滤池设磁性生物滤料层(17)、电磁场发生装置,磁性生物滤料层(17)位于净水系统内部,磁性生物滤料层(17)外部被电磁场发生装置的螺旋线圈(4)缠绕;磁性生物滤料层(17)底部与承托层(18)连接,承托层(18)通过塑料多孔板(8)与溶气配水室(19)相连通;气水在净水系统中同向流动,均由下向上,当达到预定的水头损失时,对净水系统进行反冲洗。 1. An air-water codirectional flow magnetic force enhanced biological filtration water purification system is characterized in that: the system is composed of an air-water codirectional flow magnetic force enhanced biofilter and a dissolved air water distribution chamber (19); the air-water codirectional flow magnetic force The enhanced biological filter is equipped with a magnetic biological filter material layer (17) and an electromagnetic field generating device. The magnetic biological filter material layer (17) is located inside the water purification system, and the magnetic biological filter material layer (17) is externally surrounded by the helical coil (4) of the electromagnetic field generating device. ) winding; the bottom of the magnetic biological filter material layer (17) is connected with the support layer (18), and the support layer (18) is connected with the dissolved air water distribution chamber (19) through the plastic porous plate (8); The flow in the same direction in the system is from bottom to top. When the predetermined head loss is reached, the water purification system will be backwashed. 2.一种如权利要求1所述的气水同向流磁力强化生物过滤净水系统,其特征在于:磁性生物滤料层(17)填充为钢渣基磁性滤料。 2. An air-water co-current flow magnetic force enhanced biological filtration water purification system according to claim 1, characterized in that: the magnetic biological filter material layer (17) is filled with steel slag-based magnetic filter material. 3.一种如权利要求1所述的气水同向流磁力强化生物过滤净水系统,其特征在于:磁性生物滤料层(17)被电磁场发生装置的螺旋线圈(4)缠绕,在螺旋线圈(4)通电的情况下,将磁场和生物作用耦合在一个反应器内,加强了整体的处理效果。 3. An air-water co-flow magnetic force enhanced biological filtration water purification system as claimed in claim 1, characterized in that: the magnetic biological filter material layer (17) is wound by the helical coil (4) of the electromagnetic field generating device, and in the helical When the coil (4) is energized, the magnetic field and biological action are coupled in one reactor, which enhances the overall treatment effect. 4.一种如权利要求1所述的气水同向流磁力强化生物过滤净水系统的净水方法,其特征在于: (1)进水水力负荷为8m3/m2·h,经过污水计量泵计量,通过污水管进入溶气配水室;(2)向溶气配水室通入压缩空气,空气压缩机(5)压力0.3MPa,气水体积比为5:1;(3)溶气后的水,流入磁性生物滤料层,气水流以向上形式流过滤料层;(4)直流电源通过阳极线、阴极线分别和螺旋线圈上下端相连,提供20V电压,调节滑动电阻提供磁力强度;(5)在磁场作用下,通过磁性生物滤料层的水从净水出水管排出;(6)运行一段时间后对气水同向流磁力强化生物滤池净水系统进行反冲洗,先气洗3分钟,然后同时水洗和气洗5分钟,再水洗8分钟。 4. A water purification method of the air-water co-current flow magnetic force enhanced biological filtration water purification system as claimed in claim 1, characterized in that: (1) the hydraulic load of the incoming water is 8m 3 /m 2 h, and the sewage The metering pump is metered and enters the dissolved air water distribution room through the sewage pipe; (2) The compressed air is fed into the dissolved air water distribution room, the pressure of the air compressor (5) is 0.3MPa, and the air-water volume ratio is 5:1; (3) The dissolved air The final water flows into the magnetic biological filter material layer, and the air-water flow flows upward into the filter material layer; (4) The DC power supply is connected to the upper and lower ends of the helical coil through the anode wire and the cathode wire respectively, providing 20V voltage, and adjusting the sliding resistance to provide magnetic strength (5) Under the action of a magnetic field, the water passing through the magnetic biological filter material layer is discharged from the water purification outlet pipe; (6) After a period of operation, backwash the water purification system of the air-water co-flow magnetic force enhanced biological filter, first Air wash for 3 minutes, then simultaneously water wash and air wash for 5 minutes, then water wash for 8 minutes.
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