CN101880107B - Sewage treatment structure and multi-period controlled operation method thereof - Google Patents

Sewage treatment structure and multi-period controlled operation method thereof Download PDF

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Publication number
CN101880107B
CN101880107B CN 201010112384 CN201010112384A CN101880107B CN 101880107 B CN101880107 B CN 101880107B CN 201010112384 CN201010112384 CN 201010112384 CN 201010112384 A CN201010112384 A CN 201010112384A CN 101880107 B CN101880107 B CN 101880107B
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China
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reaction
district
reaction precipitation
precipitation district
vertical shaft
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CN 201010112384
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Chinese (zh)
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CN101880107A (en
Inventor
张健君
刘章富
杨淑芳
孟凡良
熊杨
郝晓龙
吴平胜
陈桂红
黄晓丹
郑金伟
刘劲松
齐芳菲
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深圳市市政设计研究院有限公司
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Publication of CN101880107A publication Critical patent/CN101880107A/en
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Abstract

The invention discloses a sewage treatment structure. The structure comprises pond areas and a water charge-discharge system, an aeration system, a washing discharge system and a sludge discharge system which are connected to the pond area respectively, wherein the pond areas are divided into two groups of areas which are arranged side by side, each group comprises a first reaction precipitation area, a reaction area and a second reaction precipitation area which are communicated with one another by communicating wells; and the water charge-discharge system comprises a water charge channel and a water charge gate, and the water charge gate is arranged in the water charge channel and also arranged on the first reaction precipitation area, the reaction area and the second reaction precipitation area in a manner of controlling the flow of charged water. The invention also discloses a controlled operation method of the sewage treatment structure. The sewage treatment structure and the controlled operation method have the advantages that: by control alternate conversion of a water charge point, a water discharge point, the aeration system and a stirring system, the alternation of anaerobic, oxygen deficient, aerobic and precipitating working conditions in the pond area is realized, the effect of removing nitrogen and phosphorus is stable, and power is saved.

Description

The multi-period controlling run method of a kind of sewage treatment structure and these structures
Technical field
The present invention relates to sewage treatment area, relate in particular to the multi-period controlling run method of a kind of sewage treatment structure and these structures.
Background technology
At present, water pollution problems is day by day serious, and sewage disposal enterprise is just progressively improved to the standard of the nutritive elements such as nitrogen, phosphorus dischargings by country, and this will look for novelty and build or when reconstructing sewage work, should strengthen the Nitrogen/Phosphorus Removal of sewage treatment process.
Existing sewage treatment structure complex structure, though can reach treatment effect, but process the performance of work efficiency and energy-conservationly exist certain limitation with regard to it in actual applications, this limitation is mainly reflected in: 1, traditional sewage treatment unit is outside the main body structures of biochemical treatment, assist with equipment or facilities such as external refluxs in second pond and the mud, energy consumption is large and working cost is high.2, in order to ensure preferably Nitrogen/Phosphorus Removal, the floor space of structures is usually all larger, and civil engineering costs is high, is unfavorable for being applied in the middle of the reconstruction to existing sewage work.In addition, the excessive difficulty that has improved to a certain extent gas sampling of pond bulk area, and the deodorizing device installation is unfavorable.3, at present more denitrification dephosphorization technique progress control method is not good, caused the effect of structures denitrogenation dephosphorizings to be difficult to performance, and current consumption is large.
Summary of the invention
Embodiment of the invention technical problem to be solved is, the multi-period controlling run method of a kind of sewage treatment structure and these structures is provided, and Nitrogen/Phosphorus Removal is stable, the power and energy saving.
In order to solve the problems of the technologies described above, the embodiment of the invention provides a kind of sewage treatment structure, the inlet and outlet system, aerating system, rinsing that comprise Chi Qu and access respectively described Chi Qu are discharged system and sludge drainage system, described Chi Qu is two groups of side by side adjacent setting, and every group includes the first reaction precipitation district, reaction zone and the second reaction precipitation district that is interconnected and arranges;
Described inlet and outlet system comprises irrigation channel and inlet gate; Described inlet gate is arranged in described irrigation channel, in order to control passing into into water between described the first reaction precipitation district, described reaction zone and described the second reaction precipitation district; Described the first reaction precipitation district, described the second reaction precipitation district are positioned at respectively the both sides of described reaction zone and share pool wall with described reaction zone, and the avris of described pool wall arranges pipe trench;
Described aerating system comprises stirrer under airline, micro porous aeration head and the liquid, described airline extends from described pipe trench and lays the extremely bottom of described Chi Qu, described micro porous aeration head is installed on the described airline, and stirrer is installed in the district of described pond under the described liquid;
Described sludge drainage system comprises spoil disposal pipeline, inclined tube and sludge pump, and described spoil disposal pipeline is laid in the described pipe trench, and described inclined tube is connected with described spoil disposal pipeline and is arranged on the top of described micro porous aeration head;
Described rinsing discharge system comprises the rinsing pipeline, is used for rinsing pond and the submersible pump of storage rinse water, described rinsing pond is between the described reaction zone of two groups of adjacent settings that described Chi Qu has, described submersible pump is arranged in the described rinsing pond, and described rinsing pipeline is laid in the described pipe trench.
The embodiment of the invention also provides a kind of multi-period controlling run method of sewage treatment structure, comprising:
When sewage entered the first reaction precipitation district and enters the pond district, described the first reaction precipitation district carried out repeatedly alternative aeration or stirring, and reaction zone carries out aeration, and the second reaction precipitation district carries out sedimentation and drawing;
When described sewage entered described reaction zone and enters described pond district, described the first reaction precipitation district carried out aeration, and described reaction zone carries out alternative aeration and stirring, and described the second reaction precipitation district carries out sedimentation and drawing;
When described sewage entered described the second reaction precipitation district and enters described pond district, described the first reaction precipitation district carried out sedimentation and drawing, and described reaction zone carries out aeration, and described the second reaction precipitation district carries out alternative aeration and stirring.
The multi-period controlling run method of the sewage treatment structure of the embodiment of the invention and these structures, has following beneficial effect: by the checker of control water entry, water exit, aerating system and stirring system, realize repeatedly replacing of anaerobism in the district of pond, anoxic, aerobic and precipitation operating mode, Nitrogen/Phosphorus Removal is stable, the power and energy saving.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the two dimensional structure synoptic diagram of embodiment of the invention sewage treatment structure;
Fig. 2 is the sectional structure synoptic diagram of the connected well of embodiment of the invention sewage treatment structure;
Fig. 3 is the diagrammatic cross-section on the connected well structure A-A direction of embodiment of the invention sewage treatment structure shown in Figure 2;
Fig. 4 is the diagrammatic cross-section on the connected well structure B-B direction of embodiment of the invention sewage treatment structure shown in Figure 2;
Fig. 5 is the position view of the water outlet channel of embodiment of the invention sewage treatment structure;
Fig. 6 is the schematic cross section of the water outlet channel of embodiment of the invention sewage treatment structure;
Fig. 7 is the schematic flow sheet of the controlling run method of embodiment of the invention sewage treatment structure;
Fig. 8 is the schematic flow sheet of the controlling run method of first embodiment of the invention sewage treatment structure;
Fig. 9 is the schematic flow sheet of the controlling run method of second embodiment of the invention sewage treatment structure;
Figure 10 is the schematic flow sheet of the controlling run method of third embodiment of the invention sewage treatment structure.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
A kind of sewage treatment structure, the inlet and outlet system 2, aerating system 3, rinsing that comprise pond district 1 and access respectively described pond district 1 are discharged system 4 and sludge drainage system 5, described pond district 1 is two groups of side by side adjacent setting, and every group includes the first reaction precipitation district 11, reaction zone 12 and the second reaction precipitation district 13 that is interconnected and arranges;
Described inlet and outlet system 2 comprises irrigation channel 21 and inlet gate 22; Described inlet gate 22 is arranged in described irrigation channel 21 and can intakes respectively and passes in described the first reaction precipitation district 11 of being arranged on of control, described reaction zone 12 and described the second reaction precipitation district 13.
Referring to shown in Figure 1, floor map for a kind of sewage treatment structure of the present invention, wherein, pond district 1 is two groups of side by side adjacent setting, totally six zones, every group of Chi Qu that includes three adjacent settings, be respectively the first reaction precipitation district 11, reaction zone 12 and the second reaction precipitation district 13, the first reaction precipitation district 11, described the second reaction precipitation district 13 lay respectively at the both sides of described reaction zone 12, wherein, the first reaction precipitation district 11 and reaction zone 12, reaction zone 12 and the second reaction precipitation district 13 have function pool wall 14, and the avris of pool wall 14 arranges pipe trench 15.
Irrigation channel 21 is along the pool side setting of reaction zone 12, has inlet gate 22 in the irrigation channel 21, inlet gate 22 is separately positioned on the pond body pool wall in six zones, the unlatching of inlet gate 22 can make the sewage in the irrigation channel 21 enter the Chi Tizhong of each different zones, in the implementation, irrigation channel 21 can arrange many, present embodiment arranges two irrigation channels 21, be respectively the first irrigation channel 212 and the second irrigation channel 214, wherein the first irrigation channel 212 is arranged on the as shown in Figure 1 bottom avris of below reaction zone, the two ends of this irrigation channel and middle part arrange respectively three inlet gates, namely be arranged on the gate 221 in the first reaction precipitation district 11, be arranged on the gate 222 on the reaction zone 12 and be arranged on gate 223 in the second reaction precipitation district 12; The second irrigation channel 214 arranges along the lateral body pool wall of bottom reaction zone 12, and extend to the bottom avris of top reaction zone 12, the position of the inlet gate that the second irrigation channel 214 arranges and the position of the inlet gate that above-mentioned article one irrigation channel arranges are roughly the same, have respectively gate 223, gate 224 and gate 225.By the control to inlet and outlet system 2, can realize that sewage enters Chi Qu in the different zones by irrigation channel 21, for example, by controlling respectively the opening and closing of gate 221, gate 222 and gate 223 in the first irrigation channel 212, the sewage in the first irrigation channel 212 can be intake respectively and pass into the first reaction precipitation district 11, reaction zone 12 and the second reaction precipitation district 13; By controlling respectively the opening and closing of gate 224, gate 225 and gate 226 in the second irrigation channel 214, can realize that above-mentioned same water inlet passes into effect, repeats no more.
Aerating system 3 comprises stirrer 33 under airline 31, micro porous aeration head 32 and the liquid, airline 31 extends from pipe trench 15 and lays the extremely bottom in described pond district 1, micro porous aeration head 32 is installed on the airline 31, and stirrer 33 is installed in the pond district 1 under the described liquid; In the implementation, airline 31 parts are installed in the pipe trench 15, part is laid on the bottom in pond district 1, be laid on the airline 31 in the pond district 1 micro porous aeration head 32 is set, when aerating system 3 work, air is delivered at the bottom of the pond in the district of pond by airline 31, and carries out aeration by micro porous aeration head 32 outputs, airline 31 and micro porous aeration head 32 are laid in all pond districts, namely in the first reaction precipitation district 11, reaction zone 12 and the second reaction precipitation district 13; Stirrer 33 is separately positioned on the pool wall of each Chi Qu under the liquid, in the specific implementation, does not limit the particular location of stirrer 33 under the liquid.By the control to aerating system 3, can realize aeration and the enforcement of stirring operating mode in the district of pond.
Rinsing pond 42 and the submersible pump 43 that system 4 comprises rinsing pipeline 41, is used for the storage rinse water discharged in rinsing, described rinsing pond 42 is between the described reaction zone 12 of two groups of adjacent settings that described Chi Qu has, described submersible pump 43 is arranged in the described rinsing pond 42, and described rinsing pipeline 41 is laid in the described pipe trench 15.Rinsing pond 42 is rectangle pond body, is arranged between two reaction zones, in the implementation, by rinsing being discharged the control of system 4, can realize that rinse water are to the cleaning of water outlet channel.
Sludge drainage system 5 comprises spoil disposal pipeline 51, inclined tube 52 and sludge pump 53, and spoil disposal pipeline 51 is laid in the pipe trench 15, and sludge pump 53 is connected with spoil disposal pipeline 51 and is arranged on the top of micro porous aeration head 32.In the implementation, by the control to sludge drainage system 5, sludge drainage system starts sludge pump 53 according to the concentration of pond district mud, and the mud in Jiang Gechi district is discharged via spoil disposal pipeline 51, controls the sludge volume of each Chi Qu.
The first reaction precipitation district 11, reaction zone 12 and the second reaction precipitation district 13 are interconnected by connected well 16, connected well 16 comprises: inner ring vertical shaft 162 and outer ring vertical shaft 164, outer ring vertical shaft 164 is arranged on the periphery of inner ring vertical shaft 162, outer ring vertical shaft 164 has the outer borehole wall 1641, and outer ring vertical shaft 164 is that the shared pool wall 14 of the outer borehole wall 1641 enclosings forms; Inner ring vertical shaft 16262 has the interior borehole wall 1621, and inner ring vertical shaft 162 is that the interior borehole wall 1621 enclosings share pool wall 14 formations; The bottom that shares pool wall 14 is offered respectively for the perforate 1622 that is conducted with inner ring vertical shaft 16262; The bottom of the outer borehole wall 164 is offered for the perforate 1642 that is conducted with outer ring vertical shaft 164.
Inner ring vertical shaft 162 is columnar hollow structures that an end has opening, its cross section is " mouth " shape, inner ring vertical shaft 162 is made of the shared pool wall 14 that the interior borehole wall 1621 enclosing pond district 1 has, the interior borehole wall 1621 extends at the bottom of the pond in sewage treatment structure pond district 1 and arranges perpendicular to the surface at the bottom of the described pond, the height of the shared pool wall 14 that the height of the interior borehole wall 1621 has less than pond district 1.
The perforate 1622 that is conducted with inner ring vertical shaft 162 is offered in the bottom that shares pool wall 14, and the current that pond district 1 shares pool wall 14 1 sides can pass in and out described inner ring vertical shaft 162 by sharing the perforate 1622 of offering pool wall 14 bottoms.
Outer ring vertical shaft 164 is that concentric setting forms with described inner ring vertical shaft 162, is the columnar hollow structure that an end has opening, its cross section be equally " " shape; outer ring vertical shaft 164 is arranged on three periphery of inner ring vertical shaft 162; be that outer ring vertical shaft 164 is made of the described inner ring vertical shaft 162 of the outer borehole wall 1641 enclosings and shared pool wall 14; the outer borehole wall 1641 same extensions at the bottom of the pond in sewage treatment structure pond district 1 arrange perpendicular to the surface at the bottom of the described pond, and it highly is lower than the height of the shared pool wall 14 that pond district 1 has.
Three faces of the outer borehole wall 1641 bottoms are offered some perforates 1642 for being conducted with outer ring vertical shaft 164, and pond district 1 shares the described outer ring of the perforate 1642 turnover vertical shaft 164 that the current of pool wall 14 1 sides can be offered by three faces of the outer borehole wall 1641 bottoms.
The sewage treatment structure of the embodiment of the invention is when concrete operation, in conjunction with referring to the diagram 1, Fig. 2, Fig. 3 and shown in Figure 4, share mutually barrier, reaction zone 12 and the second reaction precipitation district 13 barrier mutually of the first reaction precipitation district 11 that pool wall 14 has pond body 1 and reaction zone 12, in the present embodiment, sharing pool wall 14 is the shared pool walls in each district.
Present embodiment enters the first reaction precipitation district 11 and the second reaction precipitation district 13 take the sewage in the reaction zone 12 and introduces in detail the effect that the connected well structure is played as example, at first, reaction zone 12 is by water inlet system operation water inlet operating mode, constantly there is sewage to pour in reaction zone 12, the perforate 1622 that sewage is offered by shared pool wall 14 bottoms enters in the inner ring vertical shaft 162, continuous lifting along with sewage level in the reaction zone 12, liquid level in the inner ring vertical shaft 162 also improves constantly, when sewage level reaches three ports of inner ring vertical shaft 162, still continue water inlet in the reaction zone 12, because the height of the shared pool wall 14 that the height of the interior borehole wall 1621 has less than pond district 1 and the periphery that outer ring vertical shaft 164 is arranged on described inner ring vertical shaft 162, sewage pours in the outer ring vertical shaft 164 from three ports of inner ring vertical shaft 162, and enters in the first reaction precipitation district 11 and/or the second reaction precipitation district 13 by the perforate 1642 that is conducted with the first reaction precipitation district 11 and the second reaction precipitation district 13 of offering around the outer borehole wall 1641 bottoms.
Be understandable that, sewage also can by connected well from the first reaction precipitation district 11 and/or the second reaction precipitation district 13 enter reaction zone 12, in this process sewage from 164 overflows of outer ring vertical shaft to inner ring vertical shaft 162, sewage flow process in the connected well and said process contrary and fluidised form contrary repeat no more.
Inlet and outlet system 2 also comprises the total channel 25 of effluent weir 23, water outlet channel 24 and draining, effluent weir 23 and water outlet channel 24 are separately positioned on the first reaction precipitation district 11 and the second reaction precipitation district 13, water outlet channel 24 is positioned at the bottom of described effluent weir 23, water outlet channel 24 is connected with the total channel 25 of draining, and the total channel 25 of draining lays respectively at the both sides that the rinsing pond 42 that system 4 has is discharged in described rinsing.
The bottom of effluent weir 23 arranges V-shaped cell body 232, and the angle at " V " clevis angle of described cell body 232 water outlet channels is not less than 140 degree, and the gradient is not less than 0.01, to be conducive to the discharge of its dirt, does not affect outlet effect.
A kind of sewage treatment structure of the present invention is in implementation, at first, the gate 221 that inlet and outlet system 2 inlet gates 22 have is opened in control, sewage enters in the first reaction precipitation district 11 by the first irrigation channel 221, after for some time of intaking continuously, open stirrer 33 under the liquid of the aerating system 3 in the first reaction precipitation district 11, in the whipping process, the nitrate nitrogen that has in the sewage in the first reaction precipitation district 11 produces anti-nitration reaction, nitrate nitrogen is converted into nitrogen, namely denitrogenate process, after whole or most of nitrate nitrogens are converted into nitrogen in the Dang Chi district, the polyphosphoric acid that has in the sewage obtains energy by the decomposition of poly-phosphorus, absorption is converted into the organism of solvability and easily degraded and stores with the PHB form, along with constantly water inlet in the first reaction precipitation district 11, there is not the organism of degraded to enter reaction zone 12 by connected well 16 in the first reaction precipitation district 11, simultaneously, control by air control valve (not shown) that aerating system 2 in the reaction zone 12 is had, micro porous aeration head 32 is in the state that continues aeration in the reaction zone 12, to enter from the first reaction precipitation district 11 that undecomposed organism decomposes in the reaction zone 12, and carry out the reactions such as excessive absorption of the nitrated and phosphorus of ammonia nitrogen.At this moment, the second reaction precipitation district 13 is in the precipitation state, and the supernatant liquid in the second reaction precipitation district 13 imports in water outlet channel 24 and the total channel 25 of draining by the effluent weir 23 of inlet and outlet system 2, and sluice gate 26 is opened out in control, will produce water and discharge.Enter in the process in the first reaction precipitation district 11 at sewage, every one or several period, according to the concentration of mud in influent quality or the pond, the sludge pump 53 of the sludge drainage system 5 in the second reaction precipitation district 13 is opened in control, and the mud in the district of pond is discharged Chi Qu by inclined tube 52 and spoil disposal pipeline 51.
The first irrigation channel 221 is opened the micro porous aeration head 32 of the aerating system 3 in the first reaction precipitation district 11 when further continuing water flowing to the first reaction precipitation district 11, the sewage in the first reaction precipitation district 11 is carried out repeatedly alternative aeration and stirring.In the implementation, with the unlatching of stirrer 33 switches under the micro porous aeration head 32 of repeatedly alternately controlling aerating system 3 or the liquid or close above-mentioned anoxic, anaerobism and the oxygen consumption operating mode process of realizing, the bacterium that has discharged phosphorus in the first reaction precipitation district 11 begins excessive Phosphorus Absorption, organism is decomposed, it is nitrated that ammonia nitrogen is able to, micro porous aeration head 32 is in the state that continues aeration in the reaction zone 12, and it is constant that the second reaction precipitation district 13 is in the precipitation state.
After said process continues for some time, the gate 222 that inlet and outlet system 2 inlet gates 22 have is opened in control, and closed shutter 221, sewage enters in the reaction zone 12 by entering to change in the first reaction precipitation district 11 by the first irrigation channel 221, the micro porous aeration head 32 of closing the aerating system 3 in the first reaction precipitation district 11 stops aeration, keeps mixed solution to staticly settle state, at this moment, the first reaction precipitation district 11 enters the stage of anoxic and anaerobism, and reaction zone 12 carries out aeration; The second reaction precipitation district 13 keeps the state of precipitation water outlet constant.
After for some time, open the gate 221 that inlet and outlet system 2 inlet gates 22 have, rinsing gate (not shown) in the first reaction precipitation district 11 is opened, rinse water enter rinsing pond 42, the submersible pump 43 that is arranged in the rinsing pond 42 is opened, rinse water in the water outlet channel 24 enter in the settling pit (not shown) by rinsing pipeline 41, open the sluice gate that goes out in the first reaction precipitation district 11 after rinsing for some time, close the rinsing gate, the first reaction precipitation district 11 is converted to precipitation and normally goes out water condition.
Be understandable that, when the first reaction precipitation district 11 is converted to precipitation and normally goes out water condition, the second reaction precipitation district 13 is converted to normal water inlet operating mode, this process and said process contrary, flow direction opposite direction in the connected well 16, another group Chi Qu also carries out said process synchronously, repeats no more.
The embodiment of the invention also discloses a kind of multi-period controlling run method of sewage treatment structure, may further comprise the steps:
Referring to Fig. 7, step S10, when sewage entered the pond district by the first reaction precipitation district, described the first reaction precipitation district carried out alternative aeration and stirring, and reaction zone carries out aeration, and water outlet is precipitated in the second reaction precipitation district;
When step S20 entered described pond district when described sewage by described reaction zone, described the first reaction precipitation district staticly settled, and described reaction zone carries out aeration, and water outlet is precipitated in described the second reaction precipitation district;
When step S30 entered described pond district when described sewage by described the second reaction precipitation district, described the first reaction precipitation district carried out sedimentation and drawing, and the initial stage water outlet drains into the rinsing pond with rinse water.Described reaction zone carries out aeration, and described the second reaction precipitation district carries out repeatedly alternative aeration and stirring.
Referring to Fig. 8, step S10 specifically comprises:
Step S101 opens the inlet gate 22 in described the first reaction precipitation district 11, and sewage enters described the first reaction precipitation district 11, and enters described the second reaction precipitation district 13 via described reaction zone 12;
Step S102 alternately opens stirrer 33 under the liquid in described the first reaction precipitation district 11 or 32 pairs of micro porous aeration heads and enters that active sludge carries out repeatedly alternately stirring or aeration in the sewage He Chi district in described the first reaction precipitation district 11.
In the said process, the gate 221 that inlet and outlet system 2 inlet gates 22 have is opened in control, sewage enters in the first reaction precipitation district 11 by the first irrigation channel 221, after for some time of intaking continuously, open stirrer 33 under the liquid of the aerating system 3 in the first reaction precipitation district 11, in the whipping process, the nitrate nitrogen that has in the sewage in the first reaction precipitation district 11 produces anti-nitration reaction, nitrate nitrogen is converted into nitrogen, namely denitrogenate process, after whole or most of nitrate nitrogens were converted into nitrogen in the Dang Chi district, the polyphosphoric acid that has in the sewage obtained energy by the decomposition of poly-phosphorus, and absorption is converted into the organism of solvability and easily degraded and stores with the PHB form.
The first irrigation channel 221 is when further continuing water flowing to the first reaction precipitation district 11, open the micro porous aeration head 32 of the aerating system 3 in the first reaction precipitation district 11, sewage in the first reaction precipitation district 11 is carried out alternative aeration and stirring, in the implementation, open and close with stirrer 33 switches under the micro porous aeration head 32 of alternately controlling aerating system 3 or the liquid realize said process, the bacterium that has discharged phosphorus in the first reaction precipitation district 11 begins excessive Phosphorus Absorption, organism is decomposed, and it is nitrated that ammonia nitrogen is able to.
Step S103 opens micro porous aeration head in the described reaction zone to described reaction zone and enters via described the first reaction precipitation district that active sludge carries out aeration in the sewage He Chi district of described reaction zone.
Along with constantly water inlet in the first reaction precipitation district 11, there is not the organism of degraded to enter reaction zone 12 by connected well 16 in the first reaction precipitation district 11, simultaneously, control by air control valve (not shown) that aerating system 2 in the reaction zone 12 is had, micro porous aeration head 32 is in the state that continues aeration in the reaction zone 12, to enter from the first reaction precipitation district 11 that undecomposed organism decomposes in the reaction zone 12, and carry out the reactions such as excessive absorption of the nitrated and phosphorus of ammonia nitrogen.
Step S104 opens the gate of the total channel of water outlet in described the second reaction precipitation district, and the product water in described the second reaction precipitation district enters the water outlet channel by effluent weir and discharged by the total channel of described draining.
The second reaction precipitation district 13 is in the precipitation state, and the supernatant liquid in the second reaction precipitation district 13 imports in water outlet channel 24 and the total channel 25 of draining by the effluent weir 23 of inlet and outlet system 2, and sluice gate 26 is opened out in control, will produce water and discharge.Enter in the process in the first reaction precipitation district 11 at sewage, every one or several period, according to the concentration of mud in influent quality and the pond, the sludge pump 53 of the sludge drainage system 5 in the second reaction precipitation district 13 is opened in control, and the mud in the district of pond is discharged Chi Qu by inclined tube 52 and spoil disposal pipeline 51.
Referring to Fig. 9, step S20 specifically comprises:
Step S201 opens the inlet gate of described reaction zone, and closes the inlet gate in described the first reaction precipitation district, and sewage enters respectively described the first reaction precipitation district and described the second reaction precipitation district by described reaction zone;
The gate 222 that inlet and outlet system 2 inlet gates 22 have is opened in control, and closed shutter 221, and sewage enters in the reaction zone 12 by entering to change in the first reaction precipitation district 11 by the first irrigation channel 221.
Step S202, the micro porous aeration head 32 of closing the aerating system 3 in the first reaction precipitation district 11 stops the stirring of stirrer 33 under aeration and the liquid, and mixed solution is in and staticly settles, and at this moment, the first reaction precipitation district 11 enters the stage of anoxic and anaerobism.
Step S203, the micro porous aeration head of opening in the described reaction zone carries out aeration to the active sludge that enters in the sewage He Chi district in the described reaction zone; Reaction zone 12 is opened micro porous aeration head 32 to realize aeration;
Step S204 opens the gate of the total channel of water outlet in described the second reaction precipitation district, and the product water in described the second reaction precipitation district enters the water outlet channel by effluent weir and discharged by the total channel of described draining.
Referring to Figure 10, step S30 specifically comprises:
Step S301 opens the inlet gate in described the second reaction precipitation district, and closes the inlet gate of described reaction zone, and sewage enters described the second reaction precipitation district, and enters described the first reaction precipitation district via described reaction zone;
Step S302 alternately opens under the liquid in described the second reaction precipitation district stirrer or micro porous aeration head the active sludge that enters in the sewage He Chi district in described the second reaction precipitation district is stirred or aeration;
Step S303, the micro porous aeration head of opening in the described reaction zone carries out aeration to described reaction zone and the active sludge that enters via described the first reaction precipitation district in the sewage He Chi district of described reaction zone;
Step S304 opens the gate of the total channel of water outlet in described the first reaction precipitation district, and the product water in described the first reaction precipitation district enters the water outlet channel by effluent weir and discharged by the total channel of described draining.
Enter in the process in the first reaction precipitation district 11 at sewage, every one or several period, according to the concentration of mud in influent quality and the pond, the sludge pump 53 of the sludge drainage system 5 in the second reaction precipitation district 13 is opened in control, and the mud in the district of pond is discharged Chi Qu by inclined tube 52 and spoil disposal pipeline 51.
What deserves to be explained is that described the first reaction precipitation district carries out sedimentation and drawing or described the second reaction precipitation district carries out also comprising before the sedimentation and drawing step: wash the water outlet channel in described the first reaction precipitation district or described the second reaction precipitation district.The gate 221 that inlet and outlet system 2 inlet gates 22 have is closed in control, rinsing gate (not shown) in the first reaction precipitation district 11 is opened, rinse water enter rinsing pond 42, the submersible pump 43 that is arranged in the rinsing pond 42 is opened, rinse water in the water outlet channel 24 enter in the settling pit (not shown) by rinsing pipeline 41, open the sluice gate that goes out in the first reaction precipitation district 11 after rinsing for some time, close the rinsing gate, the first reaction precipitation district 11 is converted to and is settled out water condition.
Be understandable that the first reaction precipitation district 11 is converted to when being settled out water condition, the second reaction precipitation district 13 is converted to into the water operating mode, this process and said process contrary, flow direction opposite direction in the connected well 16, another group Chi Qu also carries out said process synchronously, repeats no more.
The multi-period controlling run method of the sewage treatment structure of the embodiment of the invention and these structures, checker by control water entry, water exit, aerating system and stirring system, realize anaerobism in the district of pond, anoxic, aerobic and precipitation operating mode alternately, Nitrogen/Phosphorus Removal is stable, and the power and energy saving is remarkable.
Above disclosed is a kind of preferred embodiment of the present invention only, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to claim of the present invention still belongs to the scope that the present invention is contained.

Claims (4)

1. sewage treatment structure, the inlet and outlet system, aerating system, rinsing that comprise Chi Qu and access respectively described Chi Qu are discharged system and sludge drainage system, it is characterized in that, described Chi Qu is two groups of side by side adjacent setting, and every group includes the first reaction precipitation district, reaction zone and the second reaction precipitation district that is interconnected and arranges with connected well;
Described inlet and outlet system comprises irrigation channel and inlet gate; Described inlet gate is arranged in described irrigation channel, in order to control passing into into water between described the first reaction precipitation district, described reaction zone and described the second reaction precipitation district;
Described the first reaction precipitation district, described the second reaction precipitation district are positioned at respectively the both sides of described reaction zone and share pool wall with described reaction zone, and the avris of described pool wall arranges pipe trench;
Described aerating system comprises stirrer under airline, micro porous aeration head and the liquid, described airline extends from described pipe trench and lays the extremely bottom of described Chi Qu, described micro porous aeration head is installed on the described airline, and stirrer is installed in the district of described pond under the described liquid;
Described sludge drainage system comprises spoil disposal pipeline, inclined tube and sludge pump, and described spoil disposal pipeline is laid in the described pipe trench, and described inclined tube is connected with described spoil disposal pipeline and is arranged on the top of described micro porous aeration head;
Described rinsing discharge system comprises the rinsing pipeline, is used for rinsing pond and the submersible pump of storage rinse water, described rinsing pond is between the described reaction zone of two groups of adjacent settings that described Chi Qu has, described submersible pump is arranged in the described rinsing pond, and described rinsing pipeline is laid in the described pipe trench.
2. sewage treatment structure as claimed in claim 1, it is characterized in that, described connected well comprises: inner ring vertical shaft and outer ring vertical shaft, described outer ring vertical shaft is arranged on the periphery of described inner ring vertical shaft, described outer ring vertical shaft has the outer borehole wall, and described outer ring vertical shaft is that the described inner ring vertical shaft of described outer borehole wall enclosing and described shared pool wall consist of; Described inner ring vertical shaft has the interior borehole wall, and described inner ring vertical shaft is that the described shared pool wall of described interior borehole wall enclosing consists of; The bottom of described shared pool wall is offered respectively for the perforate that is conducted with described inner ring vertical shaft; The bottom of the described outer borehole wall is offered for the perforate that is conducted with described outer ring vertical shaft.
3. sewage treatment structure as claimed in claim 1, it is characterized in that, described inlet and outlet system also comprises effluent weir, water outlet channel and the total channel of draining, described effluent weir and described water outlet channel are separately positioned on described the first reaction precipitation district and described the second reaction precipitation district, described water outlet channel is positioned at the bottom of described effluent weir, described water outlet channel is connected with the total channel of described draining, and the total channel of described draining lays respectively between the described first reaction precipitation district and described the second reaction precipitation district of two groups of adjacent settings that described Chi Qu has.
4. sewage treatment structure as claimed in claim 3 is characterized in that, the cross section of described effluent weir and described water outlet channel is " V " shape with angle, and described outlet canal road has the gradient.
CN 201010112384 2010-02-09 2010-02-09 Sewage treatment structure and multi-period controlled operation method thereof CN101880107B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1609016A (en) * 2004-11-19 2005-04-27 宋乾武 Nitrogen and phosphorus removing process
CN1654375A (en) * 2005-01-24 2005-08-17 东南大学 Five-case integrated activated sludge iodide-removal and denitrogenation process
CN2928835Y (en) * 2006-04-17 2007-08-01 彭永臻 Controller for high efficiency oxygen lack/aerobic biological denitrifying process

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1609016A (en) * 2004-11-19 2005-04-27 宋乾武 Nitrogen and phosphorus removing process
CN1654375A (en) * 2005-01-24 2005-08-17 东南大学 Five-case integrated activated sludge iodide-removal and denitrogenation process
CN2928835Y (en) * 2006-04-17 2007-08-01 彭永臻 Controller for high efficiency oxygen lack/aerobic biological denitrifying process

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