CN203904070U - Batch type upflow low-oxygen high-concentration sludge fluidized bed - Google Patents
Batch type upflow low-oxygen high-concentration sludge fluidized bed Download PDFInfo
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- CN203904070U CN203904070U CN201420255564.5U CN201420255564U CN203904070U CN 203904070 U CN203904070 U CN 203904070U CN 201420255564 U CN201420255564 U CN 201420255564U CN 203904070 U CN203904070 U CN 203904070U
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Abstract
The utility model discloses a batch type upflow low-oxygen high-concentration sludge fluidized bed which comprises multiple drop aeration tanks, a sewage treatment unit composed of upflow reaction tanks, and another sewage treatment unit composed of an upflow water outlet tank, wherein a drop aeration tank is arranged at the final stage of the another sewage treatment unit; a pipeline provided with a water distributor is arranged at the bottom of each treatment unit, and a ventilation opening is formed in the upper part of each treatment unit; a water inlet pipe and a reflux pump are arranged above the drop aeration tank of a first treatment unit; the reflux pump is used for allowing part sewage of the upflow water outlet tank to enter the upflow water outlet tank again; the upflow water outlet tank is provided with an effluent weir and a water outlet pipe; a switch valve control system for controlling water inflow is arranged on the water inlet pipe. The batch type upflow low-oxygen high-concentration sludge fluidized bed has the advantages of low energy consumption, low yield of excess sludge, simple equipment, small floor space, small investment and the like when adopted for treating domestic sewage and industrial sewage.
Description
Technical field
The utility model belongs to technical field of waste water processing, relates to a kind of sewage disposal device, particularly intermittent type upper reaches hypoxemia high concentration sludge fluidized-bed.
Background technology
Activated sludge process is a kind of the most frequently used method of biological wastewater treatment, the Sludge System of high density has high-biomass and long sludge retention time, can improve organic degradation rate, Reaction time shorten, raising effluent quality, have high organic loading and anti-shock loading, treatment effect is good.
The current technique such as conventional SBR and oxidation ditch, have that sludge concentration is high, mud age is long, equipment and simple to operate, be easy to the advantages such as maintenance management, there is good Nitrogen/Phosphorus Removal simultaneously.The shortcomings such as aerobic amount is high, operation energy consumption is high but exist, and mud easily expands, and surplus sludge volume is many, and for the less water conditioning ability of BOD.In these two kinds of techniques, the denitrogenation of waste water mostly is complete nitrification and denitrification approach and carries out denitrogenation, and its oxygen supply energy consumption and carbon source demand amount are high.
China Patent Publication No. CN102001790A, open day on November 19th, 2010, the name of innovation and creation is called upflowing oxidation ditch waste water treatment process, this application scheme discloses a kind of upflowing oxidation ditch method for processing organic wastewater, adopted organic waste water through drop water aeration oxygenation, the method for reacting with sludge blanket, to remove organic pollutant and the ammonia nitrogen in waste water under the fluidized operational conditions to upper reaches in oxidation ditch; The compartment that drop water aeration pond and pond tail band have a water distributor of take is composed in series multiple-stage treatment unit as major equipment, its weak point is for utilizing continuous ring type reaction tank to make biological reaction tank, continuous influent aeration makes useless water oxygen level higher, be unfavorable for controlling the carrying out of anti-nitration reaction, it is short distance digestion/Anammox approach that its denitrification reaction is unfavorable for controlling; In its oxidation ditch structure, need to arrange jumbo water outlet compartment, to guarantee that the Sludge Bed of outlet sump forms the not state of fluidisation, the large and system operational process of amount of investment is difficult to control.
Summary of the invention
The purpose of this utility model is to overcome prior art deficiency, a kind of EGSB of having concurrently is provided, ICEAS, the intermittent type upper reaches hypoxemia high concentration sludge fluidised bed system of the process characteristic such as SBR and oxidation ditch, by water inlet pipe opening-closing valve Controlling System, control intermittent loading and circulate to realize intermittent cycle and react, aerobic-double oxygen-anaerobism of process is the biochemical reaction of alternate cycles repeatedly, its denitrification reaction is mainly to realize with short distance digestion/Anammox approach, there is energy consumption low, volumetric loading is high, speed of response is fast, floor space is little, equipment and simple to operate, excess sludge production is low, reduced investment.
For solving the problems of the technologies described above, the utility model provides a kind of intermittent type upper reaches hypoxemia high concentration sludge fluidized-bed, comprise that sewage treatment unit and final stage that multistage drop water aeration pond, upflowing reaction tank form are the sewage treatment unit that drop water aeration pond, upflowing outlet sump form, every grade of processing unit bottom is all provided with the pipeline with water distributor, and top is provided with ventilation opening; The top, drop water aeration pond of first step processing unit is provided with water inlet pipe and for the part of contaminated water for upflowing outlet sump, reenters the reflux pump in this pond; Described upflowing outlet sump is provided with effluent weir and rising pipe, is provided with the opening-closing valve Controlling System that can control water inlet on described water inlet pipe.
Described opening-closing valve Controlling System comprises the motorized valve being located on described water inlet pipe, PC plate, and with the Water quality detector that upflowing outlet sump is connected, described motorized valve is connected PC plate with Water quality detector by data line.
Described opening-closing valve Controlling System comprise the manual valve that is located on described water inlet pipe, series connection successively Water quality detector, contrast device, drive valve warning device, timing register, pass valve warning device, described Water quality detector is connected with upflowing outlet sump.
The processing unit that described drop water aeration pond and upflowing reaction tank form is 3 ~ 6 grades.
The principle of work of intermittent type of the present utility model upper reaches hypoxemia high concentration sludge fluidized-bed is as follows:
The utility model adopts periodic running mode, and sewage is discharged after water inlet drainage period, reaction period and precipitation phase three phases.
Water inlet drainage period, reaction tank does not carry out circulating reaction, sewage enters from water inlet pipe intermittent type, from drop water aeration pond, obtain oxygenation, and enter reaction tank in the mode of upper reaches plug-flow, keep low flow rate of water flow to mud not form fluidized-bed, when sewage is intake from bottom to top, the sewage of a upper reaction period was released and realized draining from upflowing outlet sump top.
Reaction period, in reaction tank, do not intake and draining, utilize recycle pump castering action, make the muddy water in reaction tank in the recycle system being formed by drop water aeration pond, water distributor, reaction tank, upflowing outlet sump, pipeline and recycle pump, pass through a plurality of drop water aerations pond and reaction tank, under fluidized state, pass through the repeatedly biochemical reaction of alternate cycles of the aerobic-oxygen-anaerobism of holding concurrently.
The precipitation phase, in reaction tank, do not intake, not draining, sewage in reaction tank continues upwards to circulate to carry out biochemical reaction and precipitation, low circulation upper reaches flow velocity can make Sludge Bed macrobead active sludge in reaction tank be deposited in reaction tank bottom, can not form fluidized-bed, and just with the form of fixed bed, be present in the bottom of biological reaction tank water outlet; When precipitin reaction finishes, stop the operation of recycle pump, reaction tank enters water inlet, the bleeding stage of next cycle.
Opening-closing valve Controlling System the first embodiment principle of work: motorized valve is in normal closed state, Water quality detector detects the water quality situation of outlet sump, with the qualified numerical value comparison designing in PC plate in advance, when water quality reaches qualified numerical value, PC plate sends open command by data line, motorized valve is opened, water inlet pipe water inlet; In setting-up time, intake (meet and purify waste water by drained), PC plate sends out code, and motorized valve cuts out, and water inlet end of processing again starts when next Water quality detector detects water quality and reaches qualified numerical value, and whole process is that self-timing is intake.
Opening-closing valve Controlling System the second embodiment principle of work: manual valve is in normal closed state, Water quality detector detects the water quality situation of outlet sump, with the qualified numerical value comparison designing in contrast device in advance, when water quality reaches qualified numerical value, contrast device is driven valve warning device by line start, people opens manual valve after receiving out valve guard signal, water inlet pipe water inlet; In setting-up time, intake (meet and purify waste water by drained), timing register closes valve warning device by line start, and manual valve cuts out, water inlet end of processing, when next Water quality detector detects water quality and reaches qualified numerical value, again start, whole process is semi-automatic timing water inlet.
The utlity model has following advantage:
1. adopt intermittent cycle upper reaches Sludge Bed, make reaction tank form from bottom to top aerobic zone, oxygen-starved area and anaerobic zone, whole reactor has formed the alternation procedure of aerobic-anaerobic-anaerobism, its de-NH
3-N and TN reaction are mainly short distance nitration and Anammox, are conducive to the carrying out of anti-nitration reaction; Dissolved oxygen concentration during operation in reaction tank is low, can save the supply of oxygen, and the shortening of denitrification process can reduce and add organic carbon source, without the C/N that controls sewage in reaction tank, saves working cost; Activated sludge concentration in reactor is high, and the residence time is long, and in mud, organic pollutant is fully degraded, and removes the mud growth rate of BOD and the ratio value-added speed of mud common higher than continuous treatment process, and excess sludge production is few, and wastewater purifying efficiency is good.
2. high sludge concentration has improved the biochemical reaction speed of reactor, and in reaction tank, Flow Velocity has been strengthened the mass transfer process between organism and microorganism in sewage in larger circulation, and the volumetric loading of reactor improves greatly.
3. adopt water inlet pipe opening-closing valve Controlling System to control the intermittent reaction that intermittent loading is realized upper reaches hypoxemia high concentration sludge fluidized-bed, and can adjust according to water quality, the water yield, flexible operation, has improved control accuracy and the level of automation for the treatment of tank, has higher reliability.
4. reduced investment, energy consumption is low.Fluidized-bed utilizes plug-flow effect to realize draining, has saved the water system of straining that investment is large, operational administrative is complicated, has saved initial cost; Save air demand and carbon source, reduced energy consumption.
Accompanying drawing explanation
Fig. 1 is the utility model intermittent type upper reaches hypoxemia high concentration sludge fluidized-bed structure schematic diagram
Fig. 2 is opening-closing valve Controlling System the first embodiment
Fig. 3 is opening-closing valve Controlling System the second embodiment
In figure: 1-water inlet pipe 2-upflowing outlet sump 3-reflux pump 4-return line 5-rising pipe 6-effluent weir 7-opens valve warning device 24-opening-closing valve Controlling System 25-mud district, valve warning device 22-timing register 23-pass with 14-drop water aeration pond, 13-drop water aeration pond, 12-drop water aeration pond, the pipeline 8-ventilation opening 9-motorized valve 10-manual valve 11-drop water aeration pond 15-upflowing reaction tank 16-upflowing reaction tank 17-upflowing reaction tank 18-Water quality detector 19-PC plate 20-contrast device 21-of water distributor.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated.
As shown in Figure 1, the utility model arranges multistage drop water aeration pond 11,12,13, the sewage treatment unit that upflowing reaction tank 15,16,17 forms and final stage are the sewage treatment unit that drop water aeration pond 14, upflowing outlet sump 2 form, every grade of processing unit bottom is all provided with the pipeline 7 with water distributor, and top is provided with ventilation opening 8; 11 tops, drop water aeration pond of first step processing unit are provided with water inlet pipe 1 and for the part of contaminated water for upflowing outlet sump 2, reenter the reflux pump 3 in this pond; Upflowing outlet sump 2 is provided with effluent weir 6 and rising pipe 5, is provided with the opening-closing valve Controlling System 24 that can control water inlet on water inlet pipe 1.
Opening-closing valve Controlling System 24 the first embodiments.As shown in Figure 2, opening-closing valve Controlling System 24 comprises the motorized valve 9 being located on water inlet pipe 1, PC plate 19, and the Water quality detector 18 being connected with upflowing outlet sump 2, motorized valve 9 is connected PC plate 19 with Water quality detector 18 by data line.
At work, motorized valve 9 is in normal closed state, Water quality detector 18 detects the water quality situation of upflowing outlet sump 2, with the qualified numerical value comparison designing in PC plate 19 in advance, when water quality reaches qualified numerical value, PC plate 19 sends open command by data line, and motorized valve 9 is opened, water inlet pipe 1 water inlet; In setting-up time, intake (meet and purify waste water by drained), PC plate 19 sends out code, and motorized valve 9 cuts out, water inlet end of processing, when next Water quality detector 18 detects water quality and reaches qualified numerical value, again start, whole process is self-timing water inlet.
Opening-closing valve Controlling System 24 the second embodiments.As shown in Figure 3, opening-closing valve Controlling System 24 comprises the manual valve 10 being located on water inlet pipe 1, the Water quality detector 18 of connecting successively, contrast device 20, opens valve warning device 21, timing register 22, closes valve warning device 23, and wherein Water quality detector 18 is connected with upflowing outlet sump 2.
At work, manual valve 10 is in normal closed state, Water quality detector 18 detects the water quality situation of upflowing outlet sump 2, with the qualified numerical value comparison designing in contrast device 20 in advance, when water quality reaches qualified numerical value, contrast device 20 is driven valve warning device 21 by line start, and people opens manual valve 10 after receiving out valve guard signal, water inlet pipe 1 water inlet; In setting-up time, intake (meet and purify waste water by drained), timing register 22 closes valve warning device 23 by line start, manual valve 10 cuts out, water inlet end of processing, when next Water quality detector 18 detects water quality and reaches qualified numerical value, again start, whole process is semi-automatic timing water inlet.
Opening-closing valve Controlling System 24 is after valve open, sewage is from water inlet pipe 1 enters first step processing unit drop water aeration pond 11 drop water aerations, at the bottom of pond, through water distributor 7, evenly enter upflowing reaction tank 15, and the reaction zone of upwards flowing through is mud district 25, makes Sludge Bed 25 be fluidized and carry out biochemical reaction simultaneously and remove organic pollutant and the ammonia nitrogen in waste water; When the waste water water surface arrives reaction tank 15 water outlet level, fall into drop water aeration pond 12 drop water aerations of second stage processing unit, at the bottom of pond, through water distributor 7, from upflowing reaction tank 16, through reaction zone, be mud district 25 again, make Sludge Bed 25 be fluidized and carry out biochemical reaction simultaneously and remove organic pollutant and the ammonia nitrogen in waste water; When the waste water water surface arrives reaction tank 16 water outlet level, fall into drop water aeration pond 13 drop water aerations of third stage processing unit, at the bottom of pond, through water distributor 7, from upflowing reaction tank 17, through reaction zone, be mud district 25 again, make Sludge Bed 25 be fluidized and carry out biochemical reaction simultaneously and remove organic pollutant and the ammonia nitrogen in waste water; So loop multistage organic pollutant, the ammonia nitrogen repeatedly removing in waste water.When processing unit that waste water forms through 3 to 6 grades of drop water aerations and upflowing reaction tank, mud residual content is minimum, and wastewater treatment efficiency is best.After the processing unit of aforementioned multistage drop water aeration and upflowing reaction tank composition, sewage enters into the drop water aeration pond 14 of final stage processing unit, through the water distributor 7 of pond bottom, evenly enter reaction tank and the pollution suspended layer in the mud district that upwards flows through carries out after biochemical reaction and precipitation, the waste water that a part arrives processing requirements flows out upflowing reaction tanks 2 through effluent weir 6 from rising pipe 5, and the waste water that another part reaches processing requirements is back to drop water aeration pond 11 through reflux pump 3 and continues to remove organic pollutant and the ammonia nitrogen in waste water.
Claims (4)
1. an intermittent type upper reaches hypoxemia high concentration sludge fluidized-bed, comprise that sewage treatment unit and final stage that multistage drop water aeration pond (11,12,13), upflowing reaction tank (15,16,17) form are the sewage treatment unit that drop water aeration pond (14), upflowing outlet sump (2) form, every grade of processing unit bottom is all provided with the pipeline (7) with water distributor, and top is provided with ventilation opening (8); The top, drop water aeration pond (11) of first step processing unit is provided with water inlet pipe (1) and for the part of contaminated water for upflowing outlet sump (2), reenters the reflux pump (3) in this pond; Described upflowing outlet sump (2) is provided with effluent weir (6) and rising pipe (5), it is characterized in that: on described water inlet pipe (1), be provided with the opening-closing valve Controlling System (24) that can control water inlet.
2. intermittent type according to claim 1 upper reaches hypoxemia high concentration sludge fluidized-bed, it is characterized in that: described opening-closing valve Controlling System (24) comprises the motorized valve (9) being located on described water inlet pipe (1), PC plate (19), the Water quality detector (18) being connected with upflowing outlet sump (2), described motorized valve (9) is connected PC plate (19) with Water quality detector (18) by data line.
3. intermittent type according to claim 1 upper reaches hypoxemia high concentration sludge fluidized-bed, it is characterized in that: described opening-closing valve Controlling System (24) comprises the manual valve (10) being located on described water inlet pipe (1), the Water quality detector (18) of connecting successively, contrast device (20), opens valve warning device (21), timing register (22), closes valve warning device (23), and described Water quality detector (18) is connected with upflowing outlet sump (2).
4. intermittent type according to claim 1 upper reaches hypoxemia high concentration sludge fluidized-bed, is characterized in that: the processing unit that described drop water aeration pond and upflowing reaction tank form is 3 ~ 6 grades.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420255564.5U CN203904070U (en) | 2014-05-19 | 2014-05-19 | Batch type upflow low-oxygen high-concentration sludge fluidized bed |
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| CN201420255564.5U CN203904070U (en) | 2014-05-19 | 2014-05-19 | Batch type upflow low-oxygen high-concentration sludge fluidized bed |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045026A (en) * | 2016-05-27 | 2016-10-26 | 广西益江环保科技股份有限公司 | Anaerobic-facultative up-flow reactor based landfill leachate treatment method and equipment |
| CN106315969A (en) * | 2015-06-25 | 2017-01-11 | 麦王环境技术股份有限公司 | Integrated wastewater treatment equipment of IBR (integral biological reactor) and treatment process |
| CN110092468A (en) * | 2018-01-30 | 2019-08-06 | 辽宁德智环保技术有限公司 | Recycle upper Sludge Bed landfill leachate biochemical processing method |
| CN112093902A (en) * | 2020-09-17 | 2020-12-18 | 于清 | Intermittent variable speed fluidized bed sewage treatment process and device thereof |
| CN114751510A (en) * | 2022-04-29 | 2022-07-15 | 于清 | Biological sewage treatment system by low-oxygen high-concentration activated sludge process and treatment method thereof |
| CN115710051A (en) * | 2021-08-22 | 2023-02-24 | 成都太阳河环境技术有限公司 | Multi-lattice oxidation ditch activated sludge process sewage treatment method |
-
2014
- 2014-05-19 CN CN201420255564.5U patent/CN203904070U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315969A (en) * | 2015-06-25 | 2017-01-11 | 麦王环境技术股份有限公司 | Integrated wastewater treatment equipment of IBR (integral biological reactor) and treatment process |
| CN106045026A (en) * | 2016-05-27 | 2016-10-26 | 广西益江环保科技股份有限公司 | Anaerobic-facultative up-flow reactor based landfill leachate treatment method and equipment |
| CN110092468A (en) * | 2018-01-30 | 2019-08-06 | 辽宁德智环保技术有限公司 | Recycle upper Sludge Bed landfill leachate biochemical processing method |
| CN112093902A (en) * | 2020-09-17 | 2020-12-18 | 于清 | Intermittent variable speed fluidized bed sewage treatment process and device thereof |
| CN115710051A (en) * | 2021-08-22 | 2023-02-24 | 成都太阳河环境技术有限公司 | Multi-lattice oxidation ditch activated sludge process sewage treatment method |
| CN114751510A (en) * | 2022-04-29 | 2022-07-15 | 于清 | Biological sewage treatment system by low-oxygen high-concentration activated sludge process and treatment method thereof |
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| C14 | Grant of patent or utility model | ||
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Address after: 530007 Nanning high tech Zone, high tech Road, No. 1, Guangxi University, science and Technology Park, building 5, building two Patentee after: GUANGXI YIJIANG ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Address before: 530007 Nanning high tech Zone, high tech Road, No. 1, Guangxi University, science and Technology Park, building 5, building two Patentee before: Guangxi Yijiang Environmental Protection Technology Co.,Ltd. |
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Granted publication date: 20141029 |