CN107459214A - A kind of processing method containing mud waste water - Google Patents
A kind of processing method containing mud waste water Download PDFInfo
- Publication number
- CN107459214A CN107459214A CN201710828515.4A CN201710828515A CN107459214A CN 107459214 A CN107459214 A CN 107459214A CN 201710828515 A CN201710828515 A CN 201710828515A CN 107459214 A CN107459214 A CN 107459214A
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- CN
- China
- Prior art keywords
- tank
- sludge
- waste water
- processing method
- sedimentation tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of processing method containing mud waste water, comprise the following steps：（1）Waste water removes suspension larger in waste water first；（2）By waste water lifting to aerated grit chamber, the larger particle of proportion such as sand, cinder in sewage is removed；（3）Subsequent sewage pre-processes into radial-flow preliminary sedimentation tank, removes relatively fine suspended organic matter；（4）Into aeration tank, enter back into Radial Flow Secondary Sedimentation Tank and carry out mud-water separation, amount of activated sludge reflux to aeration tank, water outlet is discharged into water body after chlorination contact tank sterilizes through Pasteur's measuring tank；（5）Sludge enters sludge concentration tank after the mixing of preliminary sedimentation tank, aeration tank and second pond；（6）The supernatant of concentration basin is back to preliminary sedimentation tank and reprocessed, then handles the sludge containing organic matter through sludge digestion tank, and postdigestive sludge is dehydrated through belt filter press again, and sludge is transported outward after drying.The beneficial effect of the invention is：The separation rate of sludge reaches more than 80%, and the discharge content of waste water is higher than discharge standard.
Description
Technical field
The present invention relates to technical field of waste water processing, is specially a kind of processing method containing mud waste water.
Background technology
State Council prints and distributes《Water prevention and cure of pollution plan》, urban wastewater treatment Facilities Construction and transformation will be accelerated by planning expenditure.
Existing urban wastewater treatment facility, to suit measures to local conditions to be transformed, corresponding discharge standard or regeneration are reached before the year two thousand twenty bottom
It is required that.According to the new urbanization planning requirement of country, to the year two thousand twenty, all county towns in the whole nation and emphasis town possess sewage collecting processing
Ability, county town, treatment rate of domestic sewage respectively reach 85%, 95% or so.The regions such as Jing-jin-ji region, the Yangtze River Delta, Pearl River Delta shift to an earlier date one
Year completes.Urban wastewater treatment welcomes investment opportunity.
At present in industry, the method for the processing containing mud waste water is relatively backward, and sludge separation rate is not high.
The content of the invention
It is an object of the invention to provide a kind of processing method containing mud waste water, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the present invention provides following technical scheme：A kind of processing method containing mud waste water, including it is as follows
Step：
（1）Waste water first passes around mechanical grille and removes suspension larger in waste water；
（2）Waste water lifting to aerated grit chamber is removed the larger particle of proportion such as sand, cinder in sewage by boosted pump；
（3）Subsequent sewage pre-processes into radial-flow preliminary sedimentation tank, removes relatively fine suspended organic matter；
（4）Into aeration tank, enter back into Radial Flow Secondary Sedimentation Tank and carry out mud-water separation, amount of activated sludge reflux to aeration tank, go out
Water is discharged into water body after chlorination contact tank sterilizes through Pasteur's measuring tank；
（5）Sludge enters sludge concentration tank after the mixing of preliminary sedimentation tank, aeration tank and second pond；
（6）The supernatant of concentration basin is back to preliminary sedimentation tank and reprocessed, then handles the sludge containing organic matter through sludge digestion tank,
Postdigestive sludge is dehydrated through belt filter press again, and sludge is transported outward after drying.
Preferably, if the mechanical grille includes grid and coarse rack in arterial highway.
Preferably, the sedimentation basin is flat flow.
Preferably, the digester is fixed cover formula digester.
Compared with prior art, the beneficial effects of the invention are as follows：The separation rate of sludge reaches more than 80%, the discharge of waste water
Content is higher than discharge standard.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment one
The present invention provides a kind of technical scheme：A kind of processing method containing mud waste water, comprises the following steps：
（1）Waste water first passes around mechanical grille and removes larger suspension in waste water, if mechanical grille include in arterial highway grid and
Coarse rack, good separating effect；
（2）Waste water lifting to aerated grit chamber is removed the larger particle of proportion such as sand, cinder in sewage by boosted pump；
（3）Subsequent sewage pre-processes into radial-flow preliminary sedimentation tank, and preliminary sedimentation tank is flat flow, and it is organic to remove relatively fine suspension
Thing；
（4）Into aeration tank, enter back into Radial Flow Secondary Sedimentation Tank and carry out mud-water separation, amount of activated sludge reflux to aeration tank, go out
Water is discharged into water body after chlorination contact tank sterilizes through Pasteur's measuring tank；
（5）Sludge enters sludge concentration tank after the mixing of preliminary sedimentation tank, aeration tank and second pond；
（6）The supernatant of concentration basin is back to preliminary sedimentation tank and reprocessed, then handles the sludge containing organic matter through sludge digestion tank,
Digester is fixed cover formula digester, and postdigestive sludge is dehydrated through belt filter press again, and sludge is transported outward after drying.
Waste water after this PROCESS FOR TREATMENT, sludge removal rate reaches more than 80%, even as high as 95%, higher than national standard.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
- A kind of 1. processing method containing mud waste water, it is characterised in that：Comprise the following steps：（1）Waste water first passes around mechanical grille and removes suspension larger in waste water；（2）Waste water lifting to aerated grit chamber is removed the larger particle of proportion such as sand, cinder in sewage by boosted pump；（3）Subsequent sewage pre-processes into radial-flow preliminary sedimentation tank, removes relatively fine suspended organic matter；（4）Into aeration tank, enter back into Radial Flow Secondary Sedimentation Tank and carry out mud-water separation, amount of activated sludge reflux to aeration tank, go out Water is discharged into water body after chlorination contact tank sterilizes through Pasteur's measuring tank；（5）Sludge enters sludge concentration tank after the mixing of preliminary sedimentation tank, aeration tank and second pond；（6）The supernatant of concentration basin is back to preliminary sedimentation tank and reprocessed, then handles the sludge containing organic matter through sludge digestion tank, Postdigestive sludge is dehydrated through belt filter press again, and sludge is transported outward after drying.
- 2. one kind processing method containing mud waste water according to claim 1, it is characterised in that：If the mechanical grille includes Grid and coarse rack in arterial highway.
- 3. one kind processing method containing mud waste water according to claim 1, it is characterised in that：The sedimentation basin is advection Formula.
- 4. one kind processing method containing mud waste water according to claim 1, it is characterised in that：The digester is fixed cover Formula digester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710828515.4A CN107459214A (en) | 2017-09-14 | 2017-09-14 | A kind of processing method containing mud waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710828515.4A CN107459214A (en) | 2017-09-14 | 2017-09-14 | A kind of processing method containing mud waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107459214A true CN107459214A (en) | 2017-12-12 |
Family
ID=60552349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710828515.4A Pending CN107459214A (en) | 2017-09-14 | 2017-09-14 | A kind of processing method containing mud waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107459214A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108840516A (en) * | 2018-06-23 | 2018-11-20 | 安徽拓谷物联科技有限公司 | Solar energy wind light mutual complementing key village sewage disposal technology |
| CN109574409A (en) * | 2019-01-02 | 2019-04-05 | 广州市八达工程有限公司 | A kind of municipal sewage plant processing pipe network and its application method |
-
2017
- 2017-09-14 CN CN201710828515.4A patent/CN107459214A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 韩洪军: "《污水处理构筑物设计与计算》", 30 April 2002, 哈尔滨工业大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108840516A (en) * | 2018-06-23 | 2018-11-20 | 安徽拓谷物联科技有限公司 | Solar energy wind light mutual complementing key village sewage disposal technology |
| CN109574409A (en) * | 2019-01-02 | 2019-04-05 | 广州市八达工程有限公司 | A kind of municipal sewage plant processing pipe network and its application method |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171212 |
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