CN109721204A - Town sewage advanced treatment process - Google Patents

Town sewage advanced treatment process Download PDF

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Publication number
CN109721204A
CN109721204A CN201910172593.2A CN201910172593A CN109721204A CN 109721204 A CN109721204 A CN 109721204A CN 201910172593 A CN201910172593 A CN 201910172593A CN 109721204 A CN109721204 A CN 109721204A
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China
Prior art keywords
water
ore
adsorption
sewage
treatment process
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Pending
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CN201910172593.2A
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Chinese (zh)
Inventor
章亦兵
戴荣继
杨长有
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Hebei Taihe Water Source Science And Technology Development Co Ltd
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Hebei Taihe Water Source Science And Technology Development Co Ltd
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Priority to CN201910172593.2A priority Critical patent/CN109721204A/en
Publication of CN109721204A publication Critical patent/CN109721204A/en
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Abstract

The present invention relates to the technical fields of urban wastewater treatment can use physical method and carry out advanced treating to sewage, reduce occupied area, reduce energy consumption, save the cost more particularly to a kind of town sewage advanced treatment process;The following steps are included: (1) gradient magnetic is activated: be protected from light, not ingress of air under the conditions of the required raw water that handles imported in gradient magnetic module, raw water is activated with graded composite magnetic field;(2) natural crystal adsorption treatment: be protected from light, not ingress of air under the conditions of will through activation processing after sewage import natural crystal adsorption module in, adsorption treatment is carried out to total nitrogen, total phosphorus and the organic matter in sewage by the combination of different ores, and a large amount of negative potential oxonium ions of water are dissolved in by the combination producing of different ores, increase the dissolved oxygen content in water body, and water body exports by treated.

Description

Town sewage advanced treatment process
Technical field
The present invention relates to the technical fields of urban wastewater treatment, more particularly to a kind of town sewage advanced treatment process.
Background technique
With China's Development of China's Urbanization and it is industrialized accelerate development, the discharge amount of town sewage improves year by year, in recent years Come China's waste water, quantity of wastewater effluent to increase with annual 1800000000 cubes of speed, national industrial wastewater and the daily row of sanitary sewage High-volume up to 1.64 billion cubic meters.
For the discharge for controlling town sewage, country and various regions have been built a collection of sewage treatment plant in succession, have been put into effect a series of Standard and regulation, every profession and trade provide a series of technical proposals successively, effectively to control the discharge of town sewage.
Currently, the discharge standard of many old factories is level-one B standard, mentioned according to the policy of country to improve cities and towns water environment High water reuse rate alleviates Water Resources Pressure, and the advanced treating that need to increase sewage can reuse situation.
Advanced treatment of wastewater has been promoted in developed country, or even universal.China's sewage advanced treating starting compared with Evening.Currently, further treatment technique mainly has physical chemistry technology, synchronous denitrification dephosphorizing technology, membrane separation technique.
1, physical chemistry technology
Ozone technology is mainly used, ozone technology, which relies primarily on ozone, has the function of that wide spectrum kills microorganism, and sterilization speed is high In chlorine.With ozone treatment sewage and carry out disinfection, deodorization, decoloration, it is degradable and go water removal in harmful toxic matter, as phenol, arsenic, Cyanide, sulfide, organophosphorus pesticide and metallic iron, zinc, manganese, mercury plasma.
But the power consumption for producing ozone is still higher, per kilogram ozone about power consumption 20-35 degree, needs to continue to improve production, Power consumption is reduced, while needing to reinforce the research to air-water contact mode and contact arrangement, improves the utilization rate of ozone.
2, synchronous denitrification dephosphorizing technology
Synchronous denitrification dephosphorizing technology has very much, and most common includes A2/O, oxidation ditch and SBR technique, these three techniques are main Denitrogenation dephosphorizing is realized with activated sludge.
But the biological treatment of activated sludge is used, it is affected by condition of water quality, and occupation area of equipment is big.
3, membrane separation process
Membrane separation process be using other than film energy or chemical potential difference as motive force Cucumber in aqueous solution is separated Method, be broadly divided into electrodialysis, micro-filtration, ultrafiltration, reverse osmosis and nanofiltration etc..Membrane separation process is as a kind of separation technology, no The utility being only capable of in purifying waste and Recycling of waste liquid, while having many advantages, such as small investment, pollution-free, low energy consumption, but also deposit Fouling membrane, part membrane separation technique is more demanding to waste water quality the problems such as.Membrane separation technique is a pure physics mistake Journey only combines other technologies that can just give full play to its effect, can be only achieved expected separating effect, at present the collection of secondary effluent Film-forming system technique is mature and is widely popularized, and water quality that treated reaches the standard of recycle-water.
But when using membrane separation process processing, there are fouling membrane, part membrane separation technique are more demanding etc. to waste water quality Problem.
Summary of the invention
In order to solve the above technical problems, the present invention, which provides one kind, can use physical method to sewage progress advanced treating, subtract Few occupied area, reduces energy consumption, the town sewage advanced treatment process of save the cost.
Town sewage advanced treatment process of the invention, comprising the following steps:
(1) gradient magnetic is activated: be protected from light, not ingress of air under the conditions of the required raw water that handles imported into gradient In the module of magnetic field, raw water is activated with graded composite magnetic field;
(2) natural crystal adsorption treatment: be protected from light, not ingress of air under the conditions of the sewage after being activated imported it is natural In ore adsorption module, adsorption treatment is carried out to total nitrogen, total phosphorus and the organic matter in sewage by the combination of different ores, and It is dissolved in a large amount of negative potential oxonium ions of water by the combination producing of different ores, increases the dissolved oxygen content in water body, and will place Water body export after reason.
Town sewage advanced treatment process of the invention, the activation processing in the step (1) are included in high-intensity magnetic field Under the action of, raw water molecule cluster is unlocked, and so that cluster water is formed single hydrone state, and in regularly arranged;It further include making water Molecule is separated with pollutants such as total nitrogens, there is it in a free form, is reduced between hydrone and organic and inorganic complex compound Molecular action, be convenient for next step adsorption treatment.
Town sewage advanced treatment process of the invention, the natural crystal in the step (2) be medical stone, anthracite, It is any several in float stone or the strong ore of other suction-operateds.
Town sewage advanced treatment process of the invention, the gradient magnetic module in the step (1) is by water inlet pipe, gradient Magnetic field module device shell and multiple groups magnetization are formed with magnetic stripe, and the gradient magnetic module device shell is stainless steel material, institute It states magnetization and forms strong magnetic, the water-molecule dissociation of conclusion, the water inlet pipe output end and gradient magnetic module device shell with magnetic stripe Connection, the multiple groups magnetization are installed in gradient magnetic module device interior of shell with magnetic stripe.
Town sewage advanced treatment process of the invention, the natural crystal adsorption module in the step (2) is by multiple groups mine Stone adsorption plant shell, ore filler and outlet pipe composition, the multiple groups ore adsorption plant shell is pvc-u material, institute It states ore filler to be formed by a variety of different stone combineds, the ore filler is filled in multiple groups ore adsorption plant shell respectively In, it is sequentially communicated between the gradient magnetic module device shell and multiple groups ore adsorption plant shell and is provided with multiple groups connection Pipe, the outlet pipe are connected to least significant end ore adsorption plant shell.
Compared with prior art the invention has the benefit that
1, treatment process of the invention is directed to sewage quality feature, special process highway route design is carried out, to flowing through at sewage Reason makes equipment water outlet reach " water environment quality standard " (GB 3838-2002) IV class water quality standard, entire technical matters system System be protected from light, not ingress of air under the conditions of, do not add any chemical reagents, two secondary pollutants will not be generated;
2, sewage under the action of high-intensity magnetic field, unlock by raw water molecule cluster, and cluster water is made to form single hydrone state, and In regularly arranged;And separate the pollutants such as hydrone and total nitrogen, there is it in a free form, reduce hydrone with Molecular action between organic and inorganic complex compound, and pass through medical stone, anthracite, float stone or the strong ore of other suction-operateds Suction-operated make water outlet in total nitrogen content reduce, using pure physically activated technology, in use do not use any chemistry Medicament realizes that the total nitrogen in water, total phosphorus effectively remove;
3, treatment process of the invention can make the hydrone of processing keep water body high activity metastable state, reduce water viscosity, Crushing is reduced, it is energy saving;
4, Processing Equipment occupied area of the invention is less, and its ore filtrate used can be according to water quality difference The ore filtrate of difference selection different-grain diameter, and the parallel connection of multiple groups equipment can be carried out according to the requirement of water supply and water quality And series connection.
Detailed description of the invention
Fig. 1 is process flow chart of the invention;
Fig. 2 is process device figure of the invention.
Specific embodiment
With reference to embodiment, the embodiment of the present invention is furthur described in detail.Following embodiment is used for Illustrate the present invention, but is not intended to limit the scope of the invention.
Embodiment
As shown in Figure 1, town sewage advanced treatment process of the invention, comprising the following steps:
Gradient magnetic is activated: be protected from light, not ingress of air under the conditions of the required raw water that handles imported into gradient magnetic In the module of field, raw water is activated with graded composite magnetic field, under the action of high-intensity magnetic field, raw water molecule cluster It unlocks, so that cluster water is formed single hydrone state, and in regularly arranged;It further include carrying out the pollutants such as hydrone and total nitrogen Separation, has it in a free form, reduces the molecular action between hydrone and organic and inorganic complex compound, convenient in next step Adsorption treatment;
Natural crystal adsorption treatment: be protected from light, not ingress of air under the conditions of the sewage after being activated imported into natural mine In stone adsorption module, pass through any several combination pair in medical stone, anthracite, float stone or the strong ore of other suction-operateds Total nitrogen, total phosphorus and organic matter in sewage carry out adsorption treatment, and are made by medical stone, anthracite, float stone or other absorption A large amount of negative potential oxonium ions of water are dissolved in any several combination producing in strong ore, the dissolved oxygen increased in water body contains Amount, and water body exports by treated.
As shown in Figure 2, wherein gradient magnetic module is magnetized by water inlet pipe 1, gradient magnetic module device shell 2 and multiple groups It is formed with magnetic stripe 3, the gradient magnetic module device shell is stainless steel material, and the magnetization forms strong magnetic with magnetic stripe, is concluded Water-molecule dissociation, the water inlet pipe output end is connected to gradient magnetic module device shell, and the multiple groups magnetization magnetic stripe is equal It is mounted on gradient magnetic module device interior of shell.
Wherein, natural crystal adsorption module is made of multiple groups ore adsorption plant shell 4, ore filler 5 and outlet pipe 6, The multiple groups ore adsorption plant shell is pvc-u material, and the ore filler is formed by a variety of different stone combineds, institute It states ore filler to be filled in respectively in multiple groups ore adsorption plant shell, the gradient magnetic module device shell and multiple groups ore It is sequentially communicated between adsorption plant shell and is provided with multiple groups connecting tube, the outlet pipe and least significant end ore adsorption plant shell connect It is logical.
Equipment inlet valve is opened, sewage flows through gradient magnetic Activation Module, under the action of high-intensity magnetic field, raw water point Submanifold group unlocks, and so that cluster water is formed single hydrone state, and in regularly arranged;And divide hydrone and pollutant From having it in a free form, reduce the molecular action between hydrone and organic and inorganic complex compound, convenient for inhaling in next step Attached processing.The water outlet of gradient magnetic module enters filter material layer 5, and the building stones of difference composition have different suction-operateds to total nitrogen, if Total nitrogen content is reduced in standby water outlet.
Compared with prior art the invention has the following advantages that
1, treatment process of the invention is directed to sewage quality feature, special process highway route design is carried out, to flowing through at sewage Reason makes equipment water outlet reach " water environment quality standard " (GB 3838-2002) IV class water quality standard, entire technical matters system System be protected from light, not ingress of air under the conditions of, do not add any chemical reagents, two secondary pollutants will not be generated;
2, sewage under the action of high-intensity magnetic field, unlock by raw water molecule cluster, and cluster water is made to form single hydrone state, and In regularly arranged;And separate the pollutants such as hydrone and total nitrogen, there is it in a free form, reduce hydrone with Molecular action between organic and inorganic complex compound, and pass through medical stone, anthracite, float stone or the strong ore of other suction-operateds Suction-operated make water outlet in total nitrogen content reduce, using pure physically activated technology, in use do not use any chemistry Medicament realizes that the total nitrogen in water, total phosphorus effectively remove;
3, treatment process of the invention can make the hydrone of processing keep water body high activity metastable state, reduce water viscosity, Crushing is reduced, it is energy saving;
4, Processing Equipment occupied area of the invention is less, and its ore filtrate used can be according to water quality difference The ore filtrate of difference selection different-grain diameter, and the parallel connection of multiple groups equipment can be carried out according to the requirement of water supply and water quality And series connection.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made Also it should be regarded as protection scope of the present invention.

Claims (5)

1. a kind of town sewage advanced treatment process, which comprises the following steps:
(1) gradient magnetic is activated: be protected from light, not ingress of air under the conditions of the required raw water that handles imported into gradient In the module of magnetic field, raw water is activated with graded composite magnetic field;
(2) natural crystal adsorption treatment: be protected from light, not ingress of air under the conditions of the sewage after being activated imported it is natural In ore adsorption module, adsorption treatment is carried out to total nitrogen, total phosphorus and the organic matter in sewage by the combination of different ores, and It is dissolved in a large amount of negative potential oxonium ions of water by the combination producing of different ores, increases the dissolved oxygen content in water body, and will place Water body export after reason.
2. town sewage advanced treatment process as described in claim 1, which is characterized in that at the activation in the step (1) Reason is included under the action of high-intensity magnetic field, and raw water molecule cluster is unlocked, and so that cluster water is formed single hydrone state, and in rule Then arrange;Further include separating the pollutants such as hydrone and total nitrogen, there is it in a free form, reduces hydrone and have Next step adsorption treatment is convenient in molecular action between machine, inorganic complex.
3. town sewage advanced treatment process as described in claim 1, which is characterized in that the natural mine in the step (2) Stone is any several in medical stone, anthracite, float stone or the strong ore of other suction-operateds.
4. town sewage advanced treatment process as described in claim 1, which is characterized in that the gradient magnetic in the step (1) Field module is made of water inlet pipe, gradient magnetic module device shell and multiple groups magnetization with magnetic stripe, the gradient magnetic module device Shell is stainless steel material, and the magnetization forms strong magnetic, the water-molecule dissociation of conclusion, the water inlet pipe output end and ladder with magnetic stripe The connection of magnetic field module device shell is spent, the multiple groups magnetization is installed in gradient magnetic module device interior of shell with magnetic stripe.
5. town sewage advanced treatment process as claimed in claim 4, which is characterized in that the natural mine in the step (2) Stone adsorption module is made of multiple groups ore adsorption plant shell, ore filler and outlet pipe, outside the multiple groups ore adsorption plant Shell is pvc-u material, and the ore filler is formed by a variety of different stone combineds, and the ore filler is filled in more respectively In group ore adsorption plant shell, successively connect between the gradient magnetic module device shell and multiple groups ore adsorption plant shell Logical to be provided with multiple groups connecting tube, the outlet pipe is connected to least significant end ore adsorption plant shell.
CN201910172593.2A 2019-03-07 2019-03-07 Town sewage advanced treatment process Pending CN109721204A (en)

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CN110615569A (en) * 2019-10-24 2019-12-27 李书伟 Strontium-rich two-stage activated water system for backwashing continuous water supply
CN111606523A (en) * 2020-07-04 2020-09-01 中科星图(深圳)数字技术产业研发中心有限公司 Water purification device with rain flood diversion function
CN111825260A (en) * 2020-05-22 2020-10-27 西北矿冶研究院 Regulation and control of selective adsorption of Cu from wastewater by carbon nanotubes2+、Pb2+、Zn2+Method (2)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110615569A (en) * 2019-10-24 2019-12-27 李书伟 Strontium-rich two-stage activated water system for backwashing continuous water supply
CN111825260A (en) * 2020-05-22 2020-10-27 西北矿冶研究院 Regulation and control of selective adsorption of Cu from wastewater by carbon nanotubes2+、Pb2+、Zn2+Method (2)
CN111825260B (en) * 2020-05-22 2022-06-24 西北矿冶研究院 Method for regulating and controlling selective adsorption of Cu2+, Pb2+ and Zn2+ from wastewater by carbon nanotubes
CN111606523A (en) * 2020-07-04 2020-09-01 中科星图(深圳)数字技术产业研发中心有限公司 Water purification device with rain flood diversion function

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Application publication date: 20190507