CN102557337A - Pollution-free domestic sewage treating process - Google Patents
Pollution-free domestic sewage treating process Download PDFInfo
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- CN102557337A CN102557337A CN2011104140356A CN201110414035A CN102557337A CN 102557337 A CN102557337 A CN 102557337A CN 2011104140356 A CN2011104140356 A CN 2011104140356A CN 201110414035 A CN201110414035 A CN 201110414035A CN 102557337 A CN102557337 A CN 102557337A
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- sewage
- magnetic kind
- pollution
- flocculation agent
- solid
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Abstract
The invention discloses a pollution-free domestic sewage treating process. The process comprises the following steps of: 1, performing solid and liquid crude separation on sewage in a solid and liquid separator; 2, adding a flocculating agent and magnetic seeds into the sewage subjected to solid and liquid separation, putting into a stirrer, and uniformly stirring; 3, adding a coagulant aid into the stirred sewage; 4, importing the sewage into a biological membrane nitration reaction fluidized bed for biological treatment; 5, introducing ozone for disinfection; and 6, adding into a fiber membrane filter, and finely filtering. By the process, a plurality of processes are used for treating the sewage, so that the sewage can be effectively treated, and the cost can be saved; and in addition, magnetic seed type sewage technologies are organically combined, so that the magnetic seeds can be effectively, quickly and continuously recovered, and the recovered magnetic seeds can be put into a sewage treating system again for recycling.
Description
Technical field
The present invention relates to a kind of pollution-free domestic sewage treatment process, belong to technical field of sewage.
Background technology
Traditional WWT starts from sewage is carried out pre-treatment, and it is implemented in different steps.In the initial period, sewage changes particulate matter into soluble compound through hydrolysis.These soluble compound were decomposed in next stage.
After pre-treatment finished, some traditional method possibly rely on by braking technique, and it relies on gravity to remove the suspended solids in the sewage.Usually use an elementary deposition cellar to precipitate.Deposition is a process slowly, wherein allows relative heavier solid precipitation in the sewage, and like this, they are precipitated to the bottom of cellar, forms to comprise discrete solid-state and discrete liquid or the aquosity of heavy solid.These types solid is easy to from liquid sewage, separate as a result.
After heavy solid was removed, sewage was transported in another big pond and removes organism.In this big pond, microorganic adhesion is in the heavy wall pipe in pond bottom and under suitable light, temperature and surface-area, in the pond, breed.Most of oxygen and organism in these microbial reproduction enormous amount and the consumption sewage.Under the situation that lacks essential maintenance condition, these mikrobes are finally dead, are left to have the abundant nitrogen and the sewage of phosphorus.Traditional method according to the quantity of remaining pollutent with these sewage discharges to soil, pond or pond.
But there are several defectives in traditional sewage water treatment method.For example, it is not only very very long but also very expensive to rely on deposition to remove the solid process.Need special Infrastructure, for example big pond, pipeline and pump all need huge fund cost.
In addition, remove organic process, with removal solid similar process, because will in big pond, operation also be passive and expensive for a long time.
In addition; Pollutent generally all is that form with colloidal exists in the sewage; Wad a quilt with cotton the with fixed attention effective ways of pollutent of the above-mentioned colloidal of existing removing are in sewage, to add flocculation agent, coagulant aids and magnetic kind, and flocculation agent, coagulant aids are that pollutants in sewage is the flocculence pollutent, and the flocculence pollutent that will be mixed with the magnetic kind of the mode through magnetic absorbs then; Make these flocculence pollutent and water sepn, make sewage become clean water again.Adopting aforesaid method problem to be solved how effectively, apace, continuously is to reclaim the magnetic kind and the magnetic kind that reclaims is put in the Sewage treatment systems again, and existing technology also fails to address the above problem.
Summary of the invention
The objective of the invention is to: a kind of minimizing stink, pollution-free is provided; More effectively and the pollution-free domestic sewage treatment process of fast processing sewage; Solve the existing high deficiency of sewage water treatment method input cost, thereby can effectively solve the problem that exists in the above-mentioned prior art.
The object of the invention realizes through following technical proposals: a kind of pollution-free domestic sewage treatment process, and it comprises following treatment step:
The first step: sewage is carried out carrying out in the solid-liquid separator solid-liquid roughing out,
Second step: the sewage after the solid-liquid separation is sneaked into flocculation agent, magnetic kind get into whisking appliance and stir,
The 3rd step: the sewage after above-mentioned steps is sneaked into coagulant aids,
The 4th step: the sewage input microbial film nitration reaction fluidized-bed after above-mentioned steps is carried out a biological disposal upon,
The 5th step: feed ozonization,
The 6th step: get into smart filtration the in the Fibrous membrane filtration device.
As a kind of optimal way: in the 3rd step, sewage is sneaked into to add the coagulant aids aqua in the sewage that into is mixed with the flocculation agent aqua in the process of coagulant aids and evenly spread to through stirring at low speed and is made pollutants in sewage form the throw out that has the magnetic kind in the sewage that is mixed with the flocculation agent aqua.
As a kind of optimal way: in second step, flocculation agent sneaked into sneak into the magnetic kind in the sewage again, with the throw out cleaning that has the magnetic kind of being drawn on the permanent magnet bar.
As a kind of optimal way: in second step; Sneak into flocculation agent, magnetic kind in the sewage simultaneously; Scraper plate through being installed on the permanent magnet bar earlier scrapes the throw out of being drawn on the permanent magnet bar that has the magnetic kind, through being positioned at the outer cleaning balde of tank the throw out of residual have in scraper plate bottom surface magnetic kind is scraped again.
Compared with prior art, beneficial effect of the present invention: the present invention uses through multiple working procedure and disposes of sewage, and can effectively dispose of sewage; And saving cost; In addition, the present invention is owing to organically organizing the magnetic seed type Technology of Sewage, therefore; Can reclaim the magnetic kind effectively, apace, continuously and the magnetic kind that reclaims is put in the Sewage treatment systems again, utilize once more.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Disclosed all characteristics in this specification sheets, or the step in disclosed all methods or the process are except the speciality of mutual repulsion and/or the step; All can make up by any way; Only if special narration all can be replaced by other equivalences or the alternative features with similar purpose, promptly; Only if special narration, an embodiment in a series of equivalences of each characteristic or the similar characteristics.
Embodiment shows the pollution-free domestic sewage treatment process that the embodiment of the invention provides, and for the ease of explanation, only shows the part relevant with the embodiment of the invention.
Embodiment
A kind of pollution-free domestic sewage treatment process, it comprises following treatment step:
The first step: sewage is carried out carrying out in the solid-liquid separator solid-liquid roughing out,
Second step: the sewage after the solid-liquid separation is sneaked into flocculation agent, magnetic kind get into whisking appliance and stir,
The 3rd step: the sewage after above-mentioned steps is sneaked into coagulant aids,
The 4th step: the sewage input microbial film nitration reaction fluidized-bed after above-mentioned steps is carried out a biological disposal upon,
The 5th step: feed ozonization,
The 6th step: get into smart filtration the in the Fibrous membrane filtration device.
In the 3rd step, sewage is sneaked into to add the coagulant aids aqua in the sewage that into is mixed with the flocculation agent aqua in the process of coagulant aids and evenly spread to through stirring at low speed and is made pollutants in sewage form the throw out that has the magnetic kind in the sewage that is mixed with the flocculation agent aqua.
In second step, flocculation agent sneaked into sneak into the magnetic kind in the sewage again, the throw out cleaning that has the magnetic kind of being drawn on the permanent magnet bar.
In second step; Sneak into flocculation agent, magnetic kind in the sewage simultaneously; Scraper plate through being installed on the permanent magnet bar earlier scrapes the throw out of being drawn on the permanent magnet bar that has the magnetic kind, through being positioned at the outer cleaning balde of tank the throw out of residual have in scraper plate bottom surface magnetic kind is scraped again.
Wherein: the process for preparation of flocculation agent is: flocculation agent and water are deployed into the flocculation agent aqua are transported to sewage through volume pump then and sneak in the process of flocculation agent in having the mixed cylinder of stirring;
The process for preparation of coagulant aids is: coagulant aids and water are deployed into the coagulant aids aqua are transported to sewage through volume pump then and sneak in the process of coagulant aids in having the mixed cylinder of stirring;
The process that sewage is sneaked into flocculation agent, magnetic kind is: magnetic kind, flocculation agent aqua are added in the sewage and through whisking appliance stirring, the sewage that will be mixed with magnetic kind, flocculation agent aqua is then delivered to sewage and is sneaked in the process of coagulant aids; Sneak into to add the coagulant aids aqua in the sewage that into is mixed with the flocculation agent aqua in the process of coagulant aids and evenly spread at sewage and make pollutants in sewage form the throw out that has the magnetic kind in the sewage that is mixed with the flocculation agent aqua through stirring at low speed;
Earlier the throw out that has the magnetic kind is stirred into the pollutent fluid through whisking appliance; Pollutent fluid after will stirring then imports and has in the passage of permanent magnet; Magnetic kind in the pollutent fluid is drawn by permanent magnet; Then the magnetic kind on the permanent magnet is taken out and collect in the magnetic kind receiving tank, and be transported to the process that sewage is sneaked into flocculation agent, magnetic kind through e Foerderanlage, pollutent flows in the contaminant collecting groove after through passage and collects.
In the sewage separating contaminants process in second step, permanent magnet bar moves forward and backward in tank, draws the efficient of the throw out that has the magnetic kind to promote permanent magnet bar.
Sewage after separating is imported microbial film nitration reaction fluidized-bed to carry out importing the purification of purification bucket after the biochemical treatment; Feed ozonization then; Filtering the regeneration of back feeding regeneration water tank through the negative-ion fiber film filter; Obtain clear water, the clear water that obtains after the processing is through fresh water pump input toilet stool washing closet, so that recycle.
Therefore the present invention, can reclaim the magnetic kind effectively, apace, continuously and the magnetic kind that reclaims is put into the advantage in the Sewage treatment systems again because the magnetic seed type Technology of Sewage is organically organized.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. pollution-free domestic sewage treatment process is characterized in that: comprise following treatment step:
The first step: sewage is carried out carrying out in the solid-liquid separator solid-liquid roughing out,
Second step: the sewage after the solid-liquid separation is sneaked into flocculation agent, magnetic kind get into whisking appliance and stir,
The 3rd step: the sewage after above-mentioned steps is sneaked into coagulant aids,
The 4th step: the sewage input microbial film nitration reaction fluidized-bed after above-mentioned steps is carried out a biological disposal upon,
The 5th step: feed ozonization,
The 6th step: get into smart filtration the in the Fibrous membrane filtration device.
2. pollution-free domestic sewage treatment process as claimed in claim 1; It is characterized in that: in the 3rd step, sewage is sneaked into to add the coagulant aids aqua in the sewage that into is mixed with the flocculation agent aqua in the process of coagulant aids and evenly spread to through stirring at low speed and is made pollutants in sewage form the throw out that has the magnetic kind in the sewage that is mixed with the flocculation agent aqua.
3. pollution-free domestic sewage treatment process as claimed in claim 1 is characterized in that: in second step, flocculation agent sneaked into sneak into the magnetic kind in the sewage again, with the throw out cleaning that has the magnetic kind of being drawn on the permanent magnet bar.
4. pollution-free domestic sewage treatment process as claimed in claim 1; It is characterized in that: in second step; Sneak into flocculation agent, magnetic kind in the sewage simultaneously; Scraper plate through being installed on the permanent magnet bar earlier scrapes the throw out of being drawn on the permanent magnet bar that has the magnetic kind, through being positioned at the outer cleaning balde of tank the throw out of residual have in scraper plate bottom surface magnetic kind is scraped again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104140356A CN102557337A (en) | 2011-12-13 | 2011-12-13 | Pollution-free domestic sewage treating process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104140356A CN102557337A (en) | 2011-12-13 | 2011-12-13 | Pollution-free domestic sewage treating process |
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| CN102557337A true CN102557337A (en) | 2012-07-11 |
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| CN2011104140356A Pending CN102557337A (en) | 2011-12-13 | 2011-12-13 | Pollution-free domestic sewage treating process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417812A (en) * | 2014-08-21 | 2016-03-23 | 宝山钢铁股份有限公司 | Zero emission method of cold rolled zinc electroplating wastewater |
| CN108178425A (en) * | 2017-12-18 | 2018-06-19 | 张馨予 | A kind of domestic sewage processing system and its processing method |
Citations (3)
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| JP2007175582A (en) * | 2005-12-27 | 2007-07-12 | Kurita Water Ind Ltd | Treatment apparatus and method of organic matter-containing waste water |
| CN102020396A (en) * | 2009-09-18 | 2011-04-20 | 上海华业环保有限公司 | Method for treating domestic sewage |
| CN102206015A (en) * | 2011-04-27 | 2011-10-05 | 李泽 | Sewage treatment method and device |
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2011
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007175582A (en) * | 2005-12-27 | 2007-07-12 | Kurita Water Ind Ltd | Treatment apparatus and method of organic matter-containing waste water |
| CN102020396A (en) * | 2009-09-18 | 2011-04-20 | 上海华业环保有限公司 | Method for treating domestic sewage |
| CN102206015A (en) * | 2011-04-27 | 2011-10-05 | 李泽 | Sewage treatment method and device |
Non-Patent Citations (1)
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| 马放 等: "磁技术在污水处理中的应用现状及发展趋势", 《中国给水排水》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417812A (en) * | 2014-08-21 | 2016-03-23 | 宝山钢铁股份有限公司 | Zero emission method of cold rolled zinc electroplating wastewater |
| CN105417812B (en) * | 2014-08-21 | 2018-03-09 | 宝山钢铁股份有限公司 | A kind of Zero emission method of waste water from electric galvanization in cold rolling |
| CN108178425A (en) * | 2017-12-18 | 2018-06-19 | 张馨予 | A kind of domestic sewage processing system and its processing method |
| CN108178425B (en) * | 2017-12-18 | 2019-01-08 | 张馨予 | A kind of domestic sewage processing system and its processing method |
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Application publication date: 20120711 |