CN205473196U - Device of benzene zha beite waste water under processing low temperature condition - Google Patents
Device of benzene zha beite waste water under processing low temperature condition Download PDFInfo
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- CN205473196U CN205473196U CN201620032518.8U CN201620032518U CN205473196U CN 205473196 U CN205473196 U CN 205473196U CN 201620032518 U CN201620032518 U CN 201620032518U CN 205473196 U CN205473196 U CN 205473196U
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- 239000002351 wastewater Substances 0.000 title claims abstract description 16
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 title abstract 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000005611 electricity Effects 0.000 claims abstract 4
- IIBYAHWJQTYFKB-UHFFFAOYSA-N bezafibrate Chemical compound C1=CC(OC(C)(C)C(O)=O)=CC=C1CCNC(=O)C1=CC=C(Cl)C=C1 IIBYAHWJQTYFKB-UHFFFAOYSA-N 0.000 claims description 35
- 229960000516 bezafibrate Drugs 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 27
- 238000005273 aeration Methods 0.000 claims description 19
- 238000006065 biodegradation reaction Methods 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000005672 electromagnetic field Effects 0.000 claims description 6
- 244000005700 microbiome Species 0.000 claims description 6
- 229910021536 Zeolite Inorganic materials 0.000 claims description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 4
- 238000003487 electrochemical reaction Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 239000010457 zeolite Substances 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 238000011001 backwashing Methods 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 2
- 239000000706 filtrate Substances 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 238000005728 strengthening Methods 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 239000005416 organic matter Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- 239000010865 sewage Substances 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 230000000813 microbial effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000003741 agents affecting lipid metabolism Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 231100000085 chronic toxic effect Toxicity 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Biological Treatment Of Waste Water (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
Description
技术领域 technical field
本实用新型属于废水处理技术领域，特别是涉及一种处理低温条件下苯扎贝特废水的装置。 The utility model belongs to the technical field of waste water treatment, in particular to a device for treating bezafibrate waste water under low temperature conditions.
背景技术 Background technique
随着经济的发展，我国已成为世界上最大的药品和个人护理用品(PPCPs)的生产和使用国，城市污水中含有的 PPCPs污染物不断增多。苯扎贝特（Bezafibrate）是一种调节血脂药，适用范围广泛，属于典型的酸性药物。近年来陆续有研究报道在城市污水、地表水，甚 With the development of the economy, my country has become the world's largest producer and user of pharmaceuticals and personal care products (PPCPs), and the PPCPs pollutants contained in urban sewage are increasing. Bezafibrate is a lipid-regulating drug with a wide range of applications and is a typical acidic drug. In recent years, there have been research reports on urban sewage, surface water, and even
至是饮用水中检测出不同浓度水平的苯扎贝特，尽管有研究显示，环境浓度水平的苯扎贝特不会对非靶标生物造成急性或慢性毒性作用，但这并不能排除苯扎贝特在生物体内的累积放大效应 。而一方面以去除有机物及营养物质为目的的传统污水处理工艺不能完全将其去除，造成受纳水体及剩余污泥接收地的污染，进而影响城市水厂水源水和地下水水质；另一方面，常规混凝、沉淀、过滤给水处理工艺对苯扎贝特的去除效果达不到令人满意的程度。因此，寻求一种新的技术装置降解苯扎贝特对水环境具有重要的现实意义。 As for the detection of bezafibrate at different concentrations in drinking water, although studies have shown that bezafibrate at environmental concentrations does not cause acute or chronic toxic effects on non-target organisms, this does not rule out that bezafibrate Special cumulative amplification effect in organisms. On the one hand, the traditional sewage treatment process for the purpose of removing organic matter and nutrients cannot completely remove them, resulting in the pollution of the receiving water body and the remaining sludge receiving area, which in turn affects the quality of source water and groundwater of urban water plants; on the other hand, Conventional coagulation, sedimentation, and filtration feedwater treatment processes are not satisfactory for the removal of bezafibrate. Therefore, seeking a new technical device to degrade bezafibrate has important practical significance for the water environment.
我国北方气候寒冷，冬春季节水温常降至0—2℃，由于低温水粘度大，含有的颗粒数量少，颗粒发生碰撞机会少，发生混凝的机率降低；而且由于水化膜内的水粘度和重度增大，影响了颗粒之间粘附度，水温对混凝剂的水解反应有明显的影响，温度低使水解反应速率减缓，影响混凝效果，且低温低浊水不利于水中微生物的生长，更加影响水环境中苯扎贝特的去除，因此处理低温环境下的苯扎贝特成为目前的难题。 The climate in northern my country is cold, and the water temperature often drops to 0-2°C in winter and spring. Due to the high viscosity of low-temperature water, the number of particles contained is small, the chance of particle collision is small, and the probability of coagulation is reduced; and because the water in the hydration film Viscosity and gravity increase, which affects the degree of adhesion between particles. Water temperature has a significant impact on the hydrolysis reaction of the coagulant. Low temperature slows down the hydrolysis reaction rate and affects the coagulation effect. Moreover, low temperature and low turbidity water is not conducive to microorganisms in water. The growth of bezafibrate affects the removal of bezafibrate in water environment, so the treatment of bezafibrate in low temperature environment has become a difficult problem at present.
电生物耦合技术是在同一个装置内将电化学反应与微生物降解耦合起来，彼此发挥各自的长处，达到互补和增强处理效果的目的，用这种技术来降解难生物降解有机物，能够大大提高难生物降解有机物的去除效率。在此技术下，苯扎贝特会通过电催化氧化反应分解成为可生物降解的小分子有机物，然后利用生物降解进一步变成CO2和H2O，使得去除效果大大增加，因此用此技术处理苯扎贝特具有更好的处理效果。 The electro-biocoupling technology is to couple the electrochemical reaction and microbial degradation in the same device, and give full play to each other's strengths to achieve the purpose of complementing and enhancing the treatment effect. Using this technology to degrade refractory organic matter can greatly improve Removal efficiency of biodegradable organic matter. Under this technology, bezafibrate will be decomposed into biodegradable small molecular organic substances through electrocatalytic oxidation reaction, and then further converted into CO 2 and H 2 O through biodegradation, which greatly increases the removal effect, so it is treated with this technology Bezafibrate has a better handling effect.
磁生物耦合技术是在同一个装置内通过磁强化技术，磁絮凝能有效去除水中的浊度，提高生物滤池的去除污染物能力，同时培养磁性微生物，进一步针对性的降解有机物，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。但是仅仅通过线圈缠绕产生的电磁场会因为其缠绕线圈电阻小，故而导致线圈容易发热，能量散失，不能做到能源化，资源化。 Magnetic biocoupling technology uses magnetic strengthening technology in the same device. Magnetic flocculation can effectively remove turbidity in water and improve the ability of biofilter to remove pollutants. At the same time, magnetic microorganisms are cultivated to further degrade organic matter in a targeted manner, thereby achieving improvement. Sewage removal efficiency, reduce equipment investment, small footprint, easy to install on site. However, the electromagnetic field generated only by winding the coil will cause the coil to heat up easily and the energy will be lost because of the small resistance of the winding coil, so it cannot be converted into energy and resources.
本实用新型在同一个装置内利用电化学反应、磁强化技术和生物降解三种技术来降解低温环境下的苯扎贝特，该系统不但将生物降解处理成本低、电化学反应分解苯扎贝特效果好、磁强化技术处理悬浮物效率高的优点综合在一起，而且可将磁强化反应中产生磁场的螺旋线圈产生的热传递到低温水中，提高含苯扎贝特污水的温度，提供适宜微生物生长的环境，提高了低温环境下苯扎贝特的处理效果，同时解决了磁强化反应中线圈发热导致能量散失的缺点，将热量做到合理的利用。 The utility model uses three technologies of electrochemical reaction, magnetic strengthening technology and biodegradation in the same device to degrade bezafibrate in low temperature environment. The advantages of good special effects and high efficiency of magnetic strengthening technology for treating suspended solids are combined together, and the heat generated by the helical coil that generates a magnetic field in the magnetic strengthening reaction can be transferred to low temperature water to increase the temperature of sewage containing bezafibrate and provide suitable The environment for microbial growth improves the treatment effect of bezafibrate in a low-temperature environment, and at the same time solves the shortcomings of energy loss caused by coil heating in the magnetic strengthening reaction, and makes reasonable use of heat.
发明内容 Contents of the invention
本实用新型的目的在于解决低温环境下苯扎贝特废水的处理，提供了一种处理低温条件下苯扎贝特废水的装置。 The purpose of the utility model is to solve the treatment of bezafibrate wastewater under low temperature environment, and provide a device for treating bezafibrate wastewater under low temperature condition.
为解决上述问题，本装置由溶气室、磁力强化生物滤池、电—生物降解反应池（电催化氧化和微生物降解共同作用处理废水的装置）组成。电—生物降解反应池包括阳极板、阴极板和填充粒子电极层，主电极阳极板和主电极阴极板分别为钛网和石墨板，填充粒子电极层填充在阳极板和阴极板之间；磁力强化生物滤池位于电—生物降解反应池的下部，由电—生物降解反应池处理后的水进入磁力强化生物滤池，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装置内部，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与电—生物降解反应池的阳极板连接，阴极线通过滑动电阻和螺旋线圈下端相连，然后电—生物降解反应池的阴极板和螺旋线圈上端连接，构成一个串联回路，磁性生物滤料层底部与承托层连接，承托层通过曝气板与溶气室相连通，气水异向，水从上向下流动，气从下向上流动。装置包括高位水箱（17），高位水箱中的低温苯扎贝特废水经进水管（18）向装置内进水，同时溶气室（19）设有曝气盘（6），曝气盘（6）通过曝气管（20）与空气压缩机（7）相连接，以及反冲洗进水管（8）与反冲洗泵（9）相连接, 溶气室（19）通过曝气盘（6）与承托层（16）相连，磁性生物滤料层（5）位于承托层（16）上部，磁性生物滤料层（5）外部被电磁场发生装置的螺旋线圈（11）缠绕，螺旋线圈（11）上下端分别与电—生物降解反应池的阴极板（13）、阴极线（2）相连，在阴极线上设调节滑动电阻（10），磁性生物滤料层（5）内部装填钢渣基磁性滤料，填充粒子电极层（4）位于磁性生物滤料层（5）上部，内部装填滤料是陶粒、颗粒活性炭、沸石、火山岩的一种，由阴极板（13）与磁性生物滤料层（5）分隔开。 In order to solve the above problems, this device is composed of a dissolved air chamber, a magnetically enhanced biological filter, and an electro-biodegradation reaction pool (a device for treating wastewater through the combined action of electrocatalytic oxidation and microbial degradation). The electric-biodegradation reaction pool includes an anode plate, a cathode plate and a filled particle electrode layer. The main electrode anode plate and the main electrode cathode plate are titanium mesh and graphite plate respectively, and the filled particle electrode layer is filled between the anode plate and the cathode plate; the magnetic force The enhanced biological filter is located in the lower part of the electro-biodegradation reaction tank, and the water treated by the electro-biodegradation reaction tank enters the magnetic enhanced biological filter, which includes a magnetic biological filter layer and an electromagnetic field generating device, and the magnetic biological The filter material layer is located inside the device, and the outside of the magnetic biological filter material layer is wound by the helical coil of the electromagnetic field generator. The electromagnetic field generator mainly includes a DC power supply, an anode wire, a cathode wire, a helical coil and a sliding resistor. The DC power supply passes through the anode wire and the electric- The anode plate of the biodegradation reaction pool is connected, the cathode line is connected to the lower end of the helical coil through a sliding resistor, and then the cathode plate of the electro-biodegradation reaction pool is connected to the upper end of the helical coil to form a series circuit, and the bottom of the magnetic biological filter layer is connected to the support Layers are connected, the supporting layer is connected with the dissolved air chamber through the aeration plate, the air and water are in different directions, the water flows from top to bottom, and the gas flows from bottom to top. The device includes a high-level water tank (17). The low-temperature bezafibrate waste water in the high-level water tank enters the device through the water inlet pipe (18). 6) Connect the air compressor (7) through the aeration pipe (20), and connect the backwash water inlet pipe (8) to the backwash pump (9), and the aeration chamber (19) passes through the aeration pan (6) Connected with the supporting layer (16), the magnetic biological filter material layer (5) is located on the upper part of the supporting layer (16), and the magnetic biological filter material layer (5) is externally wound by the helical coil (11) of the electromagnetic field generating device, and the helical coil ( 11) The upper and lower ends are respectively connected to the cathode plate (13) and the cathode line (2) of the electro-biodegradation reaction tank, and the adjustment sliding resistance (10) is set on the cathode line, and the magnetic biological filter material layer (5) is filled with steel slag base Magnetic filter material, particle-filled electrode layer (4) is located on the upper part of the magnetic biological filter material layer (5), and the internal filter material is one of ceramsite, granular activated carbon, zeolite, and volcanic rock. The cathode plate (13) and the magnetic biological filter material Material layers (5) are separated.
所述的装置为气水异向流，水从上向下流动，气从下向上流动，增大了水气接触面积，提高了苯扎贝特废水的处理效果。 The device is a gas-water counterflow, water flows from top to bottom, and gas flows from bottom to top, which increases the contact area of water and gas and improves the treatment effect of bezafibrate wastewater.
所述的降解装置为圆柱型，磁性生物滤料层装填3-5mm钢渣基磁性滤料，高度1200mm；填充粒子电极层内部装填滤料是陶粒、颗粒活性炭、沸石、火山岩的一种，高度500mm。 The degradation device is cylindrical, and the magnetic biological filter material layer is filled with 3-5 mm steel slag-based magnetic filter material, with a height of 1200 mm; the filter material filled inside the particle electrode layer is a kind of ceramsite, granular activated carbon, zeolite, and volcanic rock, with a height of 1200 mm. 500mm.
所述的溶气室安装有曝气盘、曝气管、反冲洗进水管、出水管，空气压缩机和曝气管连接，反冲洗泵和反冲洗进水管连接。 The aeration chamber is equipped with an aeration pan, an aeration pipe, a backwash water inlet pipe, and a water outlet pipe. The air compressor is connected to the aeration pipe, and the backwash pump is connected to the backwash water inlet pipe.
将电—生物降解反应池的阴极板、阳极板与螺旋线圈和滑动电阻串联，再与直流电源连接。 The cathode plate and the anode plate of the electro-biodegradation reaction pool are connected in series with the helical coil and the sliding resistance, and then connected with a DC power supply.
磁力强化生物滤池外部缠绕的螺旋线圈通电产生磁场时散发的热量传递到内部流动的低温水中，提高低温水的温度，提供适宜微生物生长的环境，提高了低温环境下苯扎贝特的处理效果，同时减少热量的浪费，提高利用率。 The heat dissipated when the helical coil wound outside the magnetically enhanced biological filter is energized to generate a magnetic field is transferred to the low-temperature water flowing inside, increasing the temperature of the low-temperature water, providing an environment suitable for microbial growth, and improving the treatment effect of bezafibrate in a low-temperature environment , At the same time reduce the waste of heat and improve the utilization rate.
本实用新型结构紧凑，模块化结构便于后期改扩建，适用于低温环境下苯扎贝特的处理。在电场、磁场和微生物的作用下，既能有效解决螺旋线圈易发热散失能量的问题，有能有效提高低温水的温度，做到了资源化，能源化；还能大幅度提高装置对苯扎贝特的处理效果。 The utility model has a compact structure, and the modular structure is convenient for later reconstruction and expansion, and is suitable for treating bezafibrate in a low-temperature environment. Under the action of electric field, magnetic field and microorganisms, it can not only effectively solve the problem that the helical coil is easy to heat and lose energy, but also can effectively increase the temperature of low-temperature water, so as to realize resource utilization and energy utilization; Special processing effect.
附图说明 Description of drawings
图1为本实用新型一种处理低温条件下苯扎贝特废水的装置示意图，结合本图做进一步的说明。 Fig. 1 is a schematic diagram of a device for treating bezafibrate wastewater under low temperature conditions of the present invention, which will be further described in conjunction with this figure.
图1中： 1 直流电源；2 阴极线；3 阳极线；4 填充粒子电极层；5 磁性生物滤料层；6 曝气盘；7 空气压缩机；8 反冲洗进水管；9 反冲洗泵；10 滑动电阻；11 螺旋线圈；12 出水管；13 阴极板；14 阳极板；15 反冲洗出水管；16 承托层；17 高位水箱；18 进水管；19 溶气室；20 曝气管。 In Figure 1: 1. DC power supply; 2. Cathode line; 3. Anode line; 4. Filled particle electrode layer; 5. Magnetic biological filter material layer; 6. Aeration disc; 7. Air compressor; 10 sliding resistance; 11 spiral coil; 12 outlet pipe; 13 cathode plate; 14 anode plate; 15 backwash outlet pipe;
具体实施方式 detailed description
实施例一：Embodiment one:
附图为本实用新型的一种具体实施例，该实施例包括高位水箱17中的含苯扎贝特的低温水经进水管18进入电—生物降解反应池，同时溶气室19设有曝气盘6，曝气盘6通过曝气管20与空气压缩机7相连接，以及反冲洗进水管8与反冲洗泵9相连接，通过空气压缩机7向溶气室19充气，为微生物提供充足的氧气，气由下向上，水由上向下流动，含苯扎贝特的低温水在电—生物降解反应池中经填充粒子电极层4，在电化学反应下将苯扎贝特降解为小分子有机物，含小分子有机物的低温水再进入磁性生物滤料层5，对小分子有机物进行生物吸附和降解，直流电源1通过阳极线3、阴极线2分别和阳极板14和螺旋线圈11下端相连，阴极板13和螺旋线圈11上端相连，通过调节滑动电阻10提供不同的磁力强度和电流密度，在磁场和电场的作用下，苯扎贝特废水先后通过填充粒子电极层4，磁性生物滤料层5的水从出水管12排出。 Accompanying drawing is a kind of concrete embodiment of the present utility model, and this embodiment comprises that the low-temperature water containing bezafibrate in the high-level water tank 17 enters the electric-biodegradation reaction tank through the water inlet pipe 18, and the dissolved air chamber 19 is provided with aeration tank simultaneously. The air tray 6 and the aeration tray 6 are connected with the air compressor 7 through the aeration pipe 20, and the backwash water inlet pipe 8 is connected with the backwash pump 9, and the gas dissolving chamber 19 is inflated by the air compressor 7 to provide microorganisms Sufficient oxygen, the gas flows from bottom to top, and the water flows from top to bottom. The low-temperature water containing bezafibrate is filled with the particle electrode layer 4 in the electro-biodegradation reaction pool, and the bezafibrate is degraded under the electrochemical reaction. It is small molecular organic matter, and the low-temperature water containing small molecular organic matter enters the magnetic biological filter material layer 5 to biosorb and degrade the small molecular organic matter. 11 is connected to the lower end, and the cathode plate 13 is connected to the upper end of the helical coil 11. By adjusting the sliding resistance 10, different magnetic force strengths and current densities are provided. The water in the biological filter material layer 5 is discharged from the outlet pipe 12 .
实施例二：Embodiment two:
将高位水箱17中的含苯扎贝特的低温水经进水管18进入电—生物降解反应池，同时溶气室19设有曝气盘6，曝气盘6通过曝气管20与空气压缩机7相连接，以及反冲洗进水管8与反冲洗泵9相连接，通过空气压缩机7向溶气室19充气，为微生物提供充足的氧气，气由下向上，水由上向下流动，含苯扎贝特的低温水在电—生物降解反应池中经填充粒子电极层4，内填滤料是陶粒、颗粒活性炭、沸石、火山岩的一种，高度500mm，在电化学反应下将苯扎贝特降解为小分子有机物，含小分子有机物的低温水再进入磁性生物滤料层5，内填钢渣基磁性滤料，高度1200mm，对小分子有机物进行生物吸附和降解，直流电源1通过阳极线3、阴极线2分别和阳极板14和螺旋线圈11下端相连，阴极板13和螺旋线圈11上端相连，通过调节滑动电阻10提供不同的磁力强度和电流密度，在磁场和电场的作用下，苯扎贝特废水先后通过填充粒子电极层4，磁性生物滤料层5的水从出水管12排出。当达到预定的水头损失时，对系统进行反冲洗，首先由空气压缩机7进行气洗，然后打开反冲洗泵9加压对装置进行气水联合冲洗，之后关闭空气压缩机7，再用反冲洗泵9加压对装置进行水洗，反冲洗的水经反冲洗出水管15排出。 The low-temperature water containing bezafibrate in the high-level water tank 17 enters the electro-biodegradation reaction tank through the water inlet pipe 18. At the same time, the dissolved air chamber 19 is equipped with an aeration pan 6, and the aeration pan 6 is compressed with air through the aeration tube 20. The machine 7 is connected, and the backwash water inlet pipe 8 is connected with the backwash pump 9, and the air compressor 7 is used to inflate the dissolved air chamber 19 to provide sufficient oxygen for the microorganisms. The gas flows from bottom to top, and the water flows from top to bottom. The low-temperature water containing bezafibrate is filled with the particle electrode layer 4 in the electro-biodegradation reaction pool, and the inner filter material is one of ceramsite, granular activated carbon, zeolite, and volcanic rock, with a height of 500 mm. Bezafibrate is degraded into small molecular organic matter, and the low-temperature water containing small molecular organic matter enters the magnetic biological filter material layer 5, filled with steel slag-based magnetic filter material, with a height of 1200mm, for biosorption and degradation of small molecular organic matter, DC power supply 1 The anode wire 3 and the cathode wire 2 are respectively connected to the lower end of the anode plate 14 and the helical coil 11, and the cathode plate 13 is connected to the upper end of the helical coil 11. By adjusting the sliding resistance 10, different magnetic force strengths and current densities are provided. Next, the bezafibrate wastewater passes through the filled particle electrode layer 4 successively, and the water in the magnetic biological filter material layer 5 is discharged from the outlet pipe 12 . When the predetermined water head loss is reached, the system is backwashed. First, the air compressor 7 is used for air washing, and then the backwash pump 9 is turned on to pressurize the device for combined air-water flushing. After that, the air compressor 7 is turned off, and then the reverse The flushing pump 9 is pressurized to wash the device with water, and the backwashed water is discharged through the backwashing outlet pipe 15 .
Claims (4)
- null1. one kind processes the device of bezafibrate waste water under cryogenic conditions，Device includes elevated tank (17)，Low temperature bezafibrate waste water in elevated tank is intake in reactor through water inlet pipe (18)，The most molten air chamber (19) is provided with aeration plate (6)，Aeration plate (6) is connected with air compressor (7) by aeration tube (20)，And backwash water inlet pipe (8) is connected with backwashing pump (9),Molten air chamber (19) is connected with supporting layer (16) by aeration plate (6)，Magnetic bio filter material layer (5) is positioned at supporting layer (16) top，Magnetic bio filter material layer (5) is outside to be wound around by the spiral winding (11) of electromagnetic field generator，Spiral winding (11) upper and lower side respectively with electricity bio-degradation reactions pond minus plate (13)、Cathode line (2) is connected，Cathode line sets regulation swept resistance (10)，Magnetic bio filter material layer (5) internal filling slag base magnetic filtrate，Particle filled composite electrode layer (4) is positioned at magnetic bio filter material layer (5) top，Internal filling filtrate is haydite、Granular active carbon、Zeolite、The one of volcanic rock，Separated with magnetic bio filter material layer (5) by minus plate (13).
- The most according to claim 1 a kind of process the device of bezafibrate waste water under cryogenic conditions, it is characterized in that: magnetic bio filter material layer (5) is positioned at particle filled composite electrode layer (4) bottom, DC source (1) is connected with spiral winding (11) lower end with positive plate (14) respectively by anode line (3), cathode line (2), minus plate (13) is connected with spiral winding (11) upper end, and spiral winding magnetic strengthization reacted is cascaded with the cathode-anode plate of electrochemical reaction.
- The most according to claim 1 a kind of process the device of bezafibrate waste water under cryogenic conditions, it is characterized in that: main electrode positive plate and the main electrode minus plate in electricity bio-degradation reactions pond are respectively titanium net and graphite cake.
- The most according to claim 1 a kind of process the device of bezafibrate waste water under cryogenic conditions, it is characterized in that: the heat of the winding coil generation that magnetic bio filter material layer (5) is outside is delivered in inner cryogenic water, for the environment that the growth offer of microorganism is good, improve the treatment effect of bezafibrate.
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| CN201620032518.8U CN205473196U (en) | 2016-01-14 | 2016-01-14 | Device of benzene zha beite waste water under processing low temperature condition |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502835A (en) * | 2016-01-14 | 2016-04-20 | 济南大学 | Device and method for treating bezafibrate waste water under low temperature environment |
| CN110395858A (en) * | 2019-05-31 | 2019-11-01 | 盐城工学院 | An electrocatalytic experimental device for downflow subsurface flow constructed wetland |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502835A (en) * | 2016-01-14 | 2016-04-20 | 济南大学 | Device and method for treating bezafibrate waste water under low temperature environment |
| CN110395858A (en) * | 2019-05-31 | 2019-11-01 | 盐城工学院 | An electrocatalytic experimental device for downflow subsurface flow constructed wetland |
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