CN1158825A - Alternative integral biological treater and treatment method - Google Patents
Alternative integral biological treater and treatment method Download PDFInfo
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- CN1158825A CN1158825A CN96117237A CN96117237A CN1158825A CN 1158825 A CN1158825 A CN 1158825A CN 96117237 A CN96117237 A CN 96117237A CN 96117237 A CN96117237 A CN 96117237A CN 1158825 A CN1158825 A CN 1158825A
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- Prior art keywords
- gallery
- aeration
- water inlet
- water outlet
- keep
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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
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Activated Sludge Processes (AREA)
Abstract
The present invention features that during waste water treatment, aeration basin and aftersettling basin are combined in construction, and the combined structure is divided into several corridors with the first and the last ones being designed as advectional flow settling basin and the rest ones being active-sludge aeration basin. In the first corridor for water intake and last corridor for water effluent mode, the last corridor is used as aftersettling basin and the rest as aeration basin. When the first and the last corridor are exchanged, their functions are also changed over.
Description
The present invention relates to field of waste water treatment.
At present, for wastewater treatment, conventional biological treatment flow process is: water inlet → aeration tank → second pond → water outlet.The existing three kinds of forms of second pond are width of cloth streaming 1., though width of cloth stream pond effluent quality is good, be only applicable to the big yield wastewater treatment, and the mud equipment of scraping has wherein significantly increased one-time investment and routine servicing workload; 2. vertical-flow, be applicable to little water yield wastewater treatment, and because the cause of bucket, deeply generally all more than 6～7m, the native land is built very expensive in the pond, and, the phenomenon that spoil disposal does not freely cause the corrupt come-up of mud very easily appears in the static pressure sludge drainage system of vertical flow tank, influences effluent quality; 3. flat flow, though all be suitable for for large, medium and small water yield wastewater treatment, effluent quality is also better, but it is on the sludge drainage system design problem, first, adopt the multibucket sludge drainage system to still have civil engineering costs big, the shortcoming of daily running management difficulty, second, adopt monobucket or twin-bucket to add the mud scraper sludge drainage system, also once the property investment is excessive because of having increased mud-scraping mechanism, the shortcoming that the routine servicing workload is bigger, the 3rd, adopt the perforated pipe sludge drainage system, still exist spoil disposal not smooth, part mud is corrupt and the phenomenon of come-up finally influences effluent quality.
The present invention's purpose is to provide the integrated biological treatment device of a kind of aeration tank and second pond and the circular treatment method of Inlet and outlet water aeration alternately thereof.
For realizing above-mentioned purpose, the present invention builds aeration tank in the wastewater treatment process and second pond jointly, sets up a plurality of gallerys separately, and wherein all by the rectangular sedimentation tank design, sludge drainage system adopts the perforated pipe sludge drainage system to the initial and end gallery; Each gallery is set up the perforated pipe aerating regulation system at the bottom of the pond in addition, adopts blast aeration system, and initial and end gallery sludge drainage system and aerating system are built together like this, and middle gallery is active sludge aeration tank or catalytic oxidation aeration tank.The present invention is by four gallerys designs, and the alternate cycles treatment scheme is: the first, 1. gallery water inlet, 4. gallery water outlet, aeration mode for 1., 2., the 3. equal aeration of gallery, this moment 1., 2., 3. gallery embodies the aeration tank function, 4. gallery embodiment second pond function; The second, 4. gallery water inlet, 1. gallery water outlet, aeration side for 4., 3., the 2. equal aeration of gallery, this moment 4., 3., 2. gallery embodies the aeration tank function, 1. gallery embodiment second pond function; So alternate cycles is handled.
The present invention has following superiority:
1. do not set up independently second pond; the second pond of building jointly adopts the pattern of horizontal flow basin; sludge drainage system adopts the perforated pipe sludge drainage system; the one side pond is 2～3m deeply only; civil engineering costs is lower, and does not design special mud discharge machine or mud scraper, has saved expensive mechanical means expense and heavy daily maintenance work; therefore, one-time investment is very low.With Q=20～40M
3The Sewage Plant of the such scale of/h is calculated, and adopts the comparable employing ordinary method of this method to reduce investment outlay 3～60,000 yuan.
2. the method for alternate run can not solve because of the perforated pipe spoil disposal does not freely cause part mud and accumulate the corrupt problem that floats of anoxic for a long time, makes stable effluent quality.
3. the present invention has saved the mud return-flow system, and running expense is low.
4. the present invention has kept the advantage of flat flow aeration tank, and the mode of alternate run makes full pond load more become evenly again, has significantly improved the biological activity in full pond, thereby can improve effluent quality and processing power.
Accompanying drawing 1 is alternative expression integration biological treatment device top plan view of the present invention.
Accompanying drawing 3 is schema of alternative expression integral biological facture of the present invention.
Accompanying drawing 4 is alternative expression integral biological facture second flow path figure of the present invention.
Accompanying drawing 5 is the first transition flow process after flow process of alternative expression integral biological facture of the present invention.
Accompanying drawing 6 is the second transition flow process after flow process of alternative expression integral biological facture of the present invention.
Accompanying drawing 7 is the first transition flow process behind the alternative expression integral biological facture second flow path of the present invention.
Accompanying drawing 8 is the second transition flow process behind the alternative expression integral biological facture second flow path of the present invention.
Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, represents that aerating system closes among Fig. 8.
The present invention can further implement by following scheme:
In order further to improve effluent quality, can in the alternate cycles process, respectively increase by two road transition cycles processes, promptly in 1. gallery water inlet, 4. after the gallery water outlet, at first change by in the water inlet of 2.-3. gallery mid-transition point, 4. gallery water outlet, keep 1., 2., the 3. equal aeration of gallery, close 4. gallery aerating system, next keeps transition point water inlet, 4. gallery water outlet, and close 1., 4. gallery aerating system, only make 2., 3. gallery aeration, make the waste water handled well quiet therein heavy, for next procedure is prepared; Again in 4. gallery water inlet, 1. after the gallery water outlet, at first, change by transition point water inlet, keep 4., 3., 2. equal aeration, close 1. gallery aerating system, secondly, keep the transition point water inlet, close 1., 4. gallery aerating system, only make 2., 3. gallery aeration, make the waste water handled well quiet therein heavy, prepare for next procedure, so constantly hocket, thereby realize the repertoire of biological wastewater treatment.
Claims (4)
1. an alternative expression integration biological treatment device is characterized in that aeration tank in the wastewater treatment process and second pond are built jointly, sets up a plurality of gallerys separately, and wherein all by the rectangular sedimentation tank design, sludge drainage system adopts the perforated pipe sludge drainage system to the initial and end gallery; Each gallery is set up the perforated pipe aerating regulation system at the bottom of the pond in addition, adopts blast aeration system, and initial and end gallery sludge drainage system and aerating system are built together like this, and middle gallery is active sludge aeration tank or contact-oxidation pool.
2. alternative expression integral biological facture according to claim 1, it is characterized in that the alternate cycles treatment scheme is: first, 1. gallery water inlet, 4. gallery water outlet, aeration mode for 1., 2., the 3. equal aeration of gallery, the second, 4. gallery water inlet, 1. gallery water outlet, aeration mode for 4., 3., the 2. equal aeration of gallery.
3. alternative expression integral biological facture according to claim 2, it is characterized in that the alternate cycles treatment scheme is: 1. gallery water inlet, 4. after the gallery water outlet, at first, change by in the water inlet of 2.-3. gallery mid-transition point, 4. gallery water outlet, keep 1., 2., the 3. equal aeration of gallery, secondly, keep the transition point water inlet, 4. 1. gallery water outlet closes, 4. gallery aerating system, only makes 2., 3. gallery aeration.
4. alternative expression integral biological facture according to claim 2, it is characterized in that alternately following treatment scheme is: 4. gallery water inlet, 1. after the gallery water outlet, at first, change by transition point water inlet, keep 4., 3., the 2. equal aeration of gallery, secondly, keep the transition point water inlet, close 1., 4. gallery aerating system, only make 3., 3. gallery aeration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96117237A CN1158825A (en) | 1996-12-30 | 1996-12-30 | Alternative integral biological treater and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96117237A CN1158825A (en) | 1996-12-30 | 1996-12-30 | Alternative integral biological treater and treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1158825A true CN1158825A (en) | 1997-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96117237A Pending CN1158825A (en) | 1996-12-30 | 1996-12-30 | Alternative integral biological treater and treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1158825A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765854A (en) * | 2012-07-12 | 2012-11-07 | 中国矿业大学 | Treating process for sewage settled in middle position |
-
1996
- 1996-12-30 CN CN96117237A patent/CN1158825A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765854A (en) * | 2012-07-12 | 2012-11-07 | 中国矿业大学 | Treating process for sewage settled in middle position |
| CN102765854B (en) * | 2012-07-12 | 2013-10-30 | 中国矿业大学 | Treating process for sewage settled in middle position |
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |