CN104986850A - Bf oxidation tower - Google Patents
Bf oxidation tower Download PDFInfo
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- CN104986850A CN104986850A CN201510343627.1A CN201510343627A CN104986850A CN 104986850 A CN104986850 A CN 104986850A CN 201510343627 A CN201510343627 A CN 201510343627A CN 104986850 A CN104986850 A CN 104986850A
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- tower
- oxidizing tower
- filler
- oxidizing
- tower body
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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
Abstract
The invention relates to a waste water BF oxidation tower good in processing biochemistry. The BF oxidation tower comprises a water inlet pump, an oxidation tower body, a water inlet pipeline, a water inlet valve, a water outlet pipeline, a water outlet valve, BF filler in the oxidation tower body and an aeration system, wherein the water outlet pipeline and the water outlet valve are located at the upper portion of the side wall of the oxidation tower body, and the aeration system is located below the BF filler. An inner circulation baffle is arranged on the periphery of the BF filler in a surrounding mode. An outer circulation pump is arranged at the lower portion of the BF filler. A backflow pipeline is connected with the outer circulation pump. The outlet end of the backflow pipeline is connected with a water distribution pipe. Inner circulation, with upward flow in the middle and downward flow at the periphery, of waste water is formed through the aeration system. Meanwhile, outer circulation and inner circulation are combined, waste water makes repeated contact with the filler, the waste water purification rate is increased, and the function of bubble removing can be achieved while backflow is achieved. According to the waste water BF oxidation tower, the processing technology can be simplified, the water processing effect is improved, the investment running cost is reduced, and the waste water BF oxidation tower has the advantages of being small in occupied space, high in impact resistance and the like.
Description
Technical field
The present invention relates to technical field of sewage, be specifically related to a kind of BF oxidizing tower.
Background technology
For aerobe reaction unit, there are reports at present, wherein, and the patent " a kind of modified form integrated sewage treating apparatus " (number of applying for a patent CN201210029089.5) of China Environmental Science Research Institute's application in 2012.This device mainly contains swinging bed reactor and up-flow reactor composition; Wherein: the water outlet on swinging bed reactor top connects a settling tank, the bottom of this settling tank is connected with in swinging bed reactor by recycle pump, is back to by the mud in settling tank in swinging bed reactor; Swinging bed reactor is connected with aeration pump, carries out nitrosification process to the former water in swinging bed reactor; Be filled with BF filler in swinging bed reactor, make mud be attached on this BF filler; Up-flow reactor is cylindrical, is bilayer structure, and skin is thermal insulation layer, and internal layer is responding layer; Responding layer top is closed state and is provided with air outlet, is provided with a water distributor bottom it, is installed on a circular baffle plate above water distributor, and responding layer is divided into upper strata reaction chamber and lower floor's reaction chamber by this circular baffle plate, and upper strata reaction chamber is an oxidizing tower; Be equipped with triphase separator between water distributor and circular baffle plate, water, vapour are separated with granule sludge; Upper strata reaction chamber is filled with BF filler, is that denitrifying bacteria is attached on this BF filler; Lower floor's reaction chamber vertical row shows polyvinyl sponge filler, makes anaerobic ammonium oxidation sludge be attached on polyvinyl sponge filler; The bottom of up-flow reactor is water-in, is connected with the water outlet on settling tank top.This integrated reacting pool structure is simple, low cost of manufacture, easy to maintenance, but its upper strata reaction chamber does not have internal recycling, and therefore waste water contacts with packing layer not fully, thus affects effluent quality.
Summary of the invention
The object of the invention is the novel process exploring the good wastewater treatment disposal of a series of biochemicals such as breeding wastewater, simplify processes technique, improves water treatment efficiency, reduces investment running cost.There is provided a kind of efficient biochemical oxidation tower integrating biological oxidation channel and filter vat, the characteristics such as have floor space little, efficiency is high, and shock resistance is strong.
For achieving the above object, the invention provides a kind of BF oxidizing tower, comprise intake pump, oxidizing tower tower body, suction culvert, inlet valve, be positioned at the outlet pipeline of oxidizing tower tower body side wall upper part, flowing water Valve, BF filler and the aerating system be positioned at below BF filler of oxidizing tower tower body inside, described suction culvert inlet end is connected with described intake pump, described suction culvert exit end is positioned at the top of oxidizing tower tower body sidewall, suction culvert arranges inlet valve, the surrounding of described BF filler is with internal recycle baffle plate, during such aeration, air-flow rises in filler inside, water outside internal recycle baffle plate is taken advantage of a situation and is entered filler, make while in oxidizing tower tower body, aqueous vapor mixes mutually completely, carry out internal recycle, ensure that water inlet mixes with water in tower.
Preferably outer circulation pump is set in the bottom of described oxidizing tower, return line inlet end is connected with described outer circulation pump, the exit end of return line connects water distributor, it is inner that described water distributor is positioned at oxidizing tower tower body, and be positioned at the top of outlet pipeline, make liquid in oxidizing tower tower body via return line, water distributor is back to this oxidizing tower tower body, described return line arranges return valve, the combination of this outer circulation and internal recycle, sewage and filler is made to repeat to contact, improve the purification rate of sewage, and outer circulation is while backflow, the effect of froth breaking can be played.
Described aerating system comprises: aerating pipelines, tube aerator, Aeration fan, air inlet magnetic flow meter.
In order to strengthen the swimming performance of BF filler, preferably filler support is set in oxidizing tower tower body, BF filler 8 is fixed on filler support, the biological bacteria of such growth on BF filler, by the swimming of internal recycle and BF filler, renewal is shed in water, increases biological zoogleic amount and activity, improves the processing power of sewage.
In oxidizing tower tower body, close to outlet pipeline place, dissolved oxygen meter (DO determinator) and temperature-indicating instrument are installed.
Middle part or the bottom of described oxidizing tower tower body sidewall are provided with sampling line and sample cock.
Described oxidizing tower tower body lower sidewall is also provided with emptying pipeline and emptying valve.
Water inlet magnetic flow meter is set at the exit end place of described intake pump, outer circulation magnetic flow meter is set at described outer circulation pump outlet end.
Described oxidizing tower also comprises electrical control cubicles.
Described oxidizing tower also comprises inspection manhole, for the installation of filler and aerator.
Described oxidizing tower tower body, intake pump, outer circulation pump, Aeration fan are fixed on equipment supporter jointly.
BF oxidizing tower of the present invention, integrates biological oxidation channel and filter vat, and the technique effect had is:
(1) entery and delivery port of this BF oxidizing tower is all positioned at the top of oxidizing tower tower body, and BF filler is positioned at the inside of oxidizing tower tower body, and surrounding is with baffle plate, and aerating system is positioned at the below of BF filler.Upper reaches in the middle of sewage is formed under the effect of aerating system, the internal recycle of surrounding downflow system, internal recycle makes sewage and filler repeat to contact, thus improves the treatment effect of sewage;
(2) present invention achieves the combination of outer circulation and internal recycle, make sewage and filler repeat to contact, improve the purification rate of sewage, and outer circulation is while backflow, can play the effect of froth breaking.
(3) this BF oxidizing tower aerating apparatus used is tube aerator, and tube aerator has the features such as structure is simple, coefficient of oxygen utilization is high, installation and maintenance are convenient;
(4) this BF oxidizing tower filler used is BF filler, and this filler is 2-3 times of conventional fillers load, has long service life, oxygenation capacity is good, biofilm is fast, is applicable to the advantages such as digestion bacteria growing.
(5) this BF oxidizing tower can simplify processes technique, improves water treatment efficiency, reduces investment running cost.
(6) to have floor space little for this BF oxidizing tower, the characteristics such as efficiency is high, and shock resistance is strong.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Fig. 1 is the front view of efficient BF oxidizing tower structure.
Fig. 2 is the vertical view of efficient BF oxidizing tower structure.
In Fig. 1-Fig. 2, icon illustrates: intake pump 1, water inlet magnetic flow meter 2, inlet valve 3, oxidizing tower tower body 4, return valve 5, flowing water Valve 6, filler support 7, BF filler 8, internal recycle baffle plate 9, inspection manhole 10, outer circulation magnetic flow meter 11, outer circulation pump 12, aerating pipelines 13, tube aerator 14, emptying valve 15, Aeration fan 16, air inlet magnetic flow meter 17, sample cock 18, DO determinator 19, temperature-indicating instrument 20, water distributor 21, electrical control cubicles 22, equipment supporter 23.
Embodiment
As depicted in figs. 1 and 2, overall BF oxidizing tower is by intake pump 1, water inlet magnetic flow meter 2, suction culvert, inlet valve 3, oxidizing tower tower body 4, backflow water pipe, return valve 5, outlet pipeline, flowing water Valve 6, filler support 7, BF filler 8, internal recycle baffle plate 9, inspection manhole 10, outer circulation magnetic flow meter 11, outer circulation pump 12, aerating pipelines 13, tube aerator 14, emptying pipeline, emptying valve 15, Aeration fan 16, air inlet magnetic flow meter 17, sampling line, sample cock 18, DO determinator 19, temperature-indicating instrument 20, water distributor 21, electrical control cubicles 22, equipment supporter 23 forms.
Need waste water that the array of biochemical such as aquaculture to be processed is good by intake pump 1, oxidizing tower tower body 4 is squeezed into by suction culvert and valve 3, can to be carried out the water yield of control treatment by regulating water inlet valve door 3 according to the numerical value of the situation of influent quality and water inlet magnetic flow meter 2, the volumetric loading of general control BF oxidizing tower is 5-8KgCOD/m
3.
While water inlet, Aeration fan 16 starts, by aerating pipelines 13 and tube aerator 14 to oxygenic aeration in oxidizing tower tower body 4.Filler support 7 is set in oxidizing tower tower body 4, BF filler 8, internal recycle baffle plate 9, BF filler 8 be fixed on filler support 7, ensure its swimming performance.Fix with internal recycle baffle plate 9 in the surrounding of BF filler 8, tube aerator 14 is fixed on immediately below filler simultaneously.When such Aeration fan 16 is by aerating pipelines 13 aeration, air-flow rises in filler inside, and the water outside internal recycle baffle plate 9 is taken advantage of a situation and entered filler, makes while aqueous vapor mixes mutually completely in oxidizing tower tower body 4, to carry out internal recycle, ensure that water inlet mixes with water in tower.Growth biological bacteria on BF filler 8, is shed in water by the swimming renewal of internal recycle and BF filler 8, increases biological zoogleic amount and activity.Improve the processing power of sewage.
Be provided with outer circulation pump 12, outside recycle pump 12 exit end simultaneously in the bottom of oxidizing tower tower body 4 and outer circulation magnetic flow meter 11 is installed, be convenient to display and control the outer circulation water yield.Return line inlet end is connected with outer circulation pump 12, the exit end of return line connects water distributor 21, it is inner that water distributor 21 is positioned at oxidizing tower tower body, and be positioned at the top of outlet pipeline, return line is arranged return valve 5, after outer circulation pump 12 starts, the liquid in oxidizing tower tower body is made to be back to oxidizing tower tower body 4 via return line, water distributor, the combination of such guarantee outer circulation and internal recycle, sewage and filler is made to repeat to contact, improve the purification rate of sewage, and outer circulation is while backflow, can play the effect of froth breaking.
Sampling line and sample cock 18 is provided with, for sampling the biological bacteria situation seen and look in oxidizing tower tower body 4 at the middle part of oxidizing tower tower body 4 sidewall and bottom.Inspection manhole 10 is for the installation of filler and aerator.Emptying pipeline and emptying valve 15, sewage when overhauling for tower body in emptying tower.Simultaneously for regularly discharging the excess sludge in tower.
DO determinator 19 and temperature-indicating instrument 20, DO determinator 19 are also installed in oxidizing tower tower body 4 for measuring the dissolved oxygen concentration in water, adjustment aeration air quantity.Temperature-indicating instrument 20, for understanding temperature of reaction, determines the removal efficiency under condition of different temperatures.
Water after process is discharged by outlet pipeline and flowing water Valve 6.Outlet pipeline and flowing water Valve 6 are arranged on the sidewall upper of oxidizing tower tower body 4.
Total system arranges electrical control cubicles 22, for showing the data such as dissolved oxygen, water temperature in flooding velocity, return flow, air input, water.Control intake pump 1, outer circulation pump 12, the startup of Aeration fan 16 and stopping simultaneously.
Oxidizing tower tower body 4, intake pump 1, outer circulation pump 12, Aeration fan 16 are fixed on equipment supporter 23 jointly, the installation of convenient transport and pipeline cable.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a BF oxidizing tower, it is characterized in that: comprise intake pump (1), oxidizing tower tower body (4), suction culvert, inlet valve (3), the aerating system that is positioned at the oxidizing tower tower body BF filler (8) that (4) outlet pipeline of side wall upper part, flowing water Valve (6), oxidizing tower tower body are (4) inner and is positioned at below BF filler (8), described suction culvert inlet end is connected with described intake pump (1), described suction culvert exit end is positioned at oxidizing tower tower body (4) side wall upper part, it is characterized in that: (9) the surrounding of BF filler (8) is with internal recycle baffle plate.
2. a kind of BF oxidizing tower as claimed in claim 1, it is characterized in that: be also provided with outer circulation pump (12) in oxidizing tower tower body bottom (4), return line inlet end is connected with described outer circulation pump (12), the exit end of return line connects water distributor (21), it is (4) inner that described water distributor (21) is positioned at oxidizing tower tower body, and be positioned at the top of outlet pipeline, make the (4) interior liquid of oxidizing tower tower body be back to oxidizing tower tower body (4) via return line, water distributor (21), described return line is arranged return valve (5).
3. a kind of BF oxidizing tower as claimed in claim 1, it is characterized in that: described aerating system comprises: aerating pipelines (13), tube aerator (14), Aeration fan (16), air inlet magnetic flow meter (17).
4. a kind of BF oxidizing tower as claimed in claim 1, is characterized in that: oxidizing tower tower body (4) in filler support (7) is also set, described BF filler (8) is fixed on filler support (7).
5. a kind of BF oxidizing tower as claimed in claim 1, is characterized in that: oxidizing tower tower body (4) in close to outlet pipeline place, DO determinator (19) and temperature-indicating instrument (20) are set.
6. a kind of BF oxidizing tower as claimed in claim 1, is characterized in that: at oxidizing tower tower body, (4) the middle part of sidewall or bottom are provided with sampling line and sample cock (18).
7. a kind of BF oxidizing tower as claimed in claim 1, is characterized in that: oxidizing tower tower body (4) lower sidewall is also provided with emptying pipeline and emptying valve (15).
8. a kind of BF oxidizing tower as claimed in claim 1, is characterized in that: arrange water inlet magnetic flow meter (2) at intake pump exit end (1), recycle pump (12) exit end arranges outer circulation magnetic flow meter (11) outside.
9. a kind of BF oxidizing tower as claimed in claim 1, is characterized in that: described oxidizing tower also comprises electrical control cubicles (22).
10. a kind of BF oxidizing tower as claimed in claim 1, is characterized in that: oxidizing tower tower body (4), intake pump (1), outer circulation pump (12), Aeration fan (16) are fixed on equipment supporter (23) jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510343627.1A CN104986850B (en) | 2015-06-19 | 2015-06-19 | BF oxidizing towers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510343627.1A CN104986850B (en) | 2015-06-19 | 2015-06-19 | BF oxidizing towers |
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| Publication Number | Publication Date |
|---|---|
| CN104986850A true CN104986850A (en) | 2015-10-21 |
| CN104986850B CN104986850B (en) | 2017-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510343627.1A Active CN104986850B (en) | 2015-06-19 | 2015-06-19 | BF oxidizing towers |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219831A (en) * | 2008-01-25 | 2008-07-16 | 北京工业大学 | Migration bed/activated sludge process series arrangement |
| CN202625927U (en) * | 2012-05-22 | 2012-12-26 | 苏州科技学院 | Integration internal circulation type denitrification decarburization biological membrane reactor |
| JP2013043172A (en) * | 2011-08-26 | 2013-03-04 | Tanaka Yoneichi | Circulating-type sewage treatment apparatus |
| CN204981312U (en) * | 2015-06-19 | 2016-01-20 | 大连世达特环保科技有限公司 | Bf oxidation tower |
-
2015
- 2015-06-19 CN CN201510343627.1A patent/CN104986850B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219831A (en) * | 2008-01-25 | 2008-07-16 | 北京工业大学 | Migration bed/activated sludge process series arrangement |
| JP2013043172A (en) * | 2011-08-26 | 2013-03-04 | Tanaka Yoneichi | Circulating-type sewage treatment apparatus |
| CN202625927U (en) * | 2012-05-22 | 2012-12-26 | 苏州科技学院 | Integration internal circulation type denitrification decarburization biological membrane reactor |
| CN204981312U (en) * | 2015-06-19 | 2016-01-20 | 大连世达特环保科技有限公司 | Bf oxidation tower |
Non-Patent Citations (2)
| Title |
|---|
| 张岩 等: "DO对泳动床同步硝化反硝化效果的影响", 《低碳经济与土木工程科技创新——2010中国（北京）国际建筑科技大会论文集》 * |
| 樊芸 等: "摇动床生物膜反应器处理生活污水", 《环境污染与防治》 * |
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| CN104986850B (en) | 2017-11-21 |
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