CN102167442B - Anaerobic hydrolysis and acidification pool - Google Patents
Anaerobic hydrolysis and acidification pool Download PDFInfo
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- CN102167442B CN102167442B CN2011100615534A CN201110061553A CN102167442B CN 102167442 B CN102167442 B CN 102167442B CN 2011100615534 A CN2011100615534 A CN 2011100615534A CN 201110061553 A CN201110061553 A CN 201110061553A CN 102167442 B CN102167442 B CN 102167442B
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Abstract
The invention discloses an anaerobic hydrolysis and acidification pool which comprises a reaction region and a muddy water separation region, wherein the reaction region is provided with a plurality of water inlets and a plurality of water distribution holes, the muddy water separation region is provided with a plurality of muddy water inlets and a plurality of water outlets, the muddy water inlets are connected with the water distribution holes, a stirrer is arranged at a sludge part of the reaction region, the water inlets of the reaction region are provided with a plurality of flow diverters, and each flow diverter leads the wastewater flowing direction and the sludge flowing direction stirred by the stirrer to form an angle. The pool has the advantages of being even in water distribution and higher in hydraulic stirring so as to form a good microorganism and wastewater reaction system, and is more efficient in treatment effect, further the pool is small in floor space, less in equipment, less in investment, and more convenient to run and manage.
Description
Technical field
The present invention relates to a kind of acidulated pool, relate in particular to a kind of anaerobic hydrolysis-acidification pond.
Background technology
The anaerobic hydrolysis-acidification pond can utilize the different of methanogen and the hydrolysis acid-producing bacteria speed of growth; In reaction tank with the elutriation effect of water flows; Make methanobacteria in reaction tank, be difficult to breeding, anaerobic treatment is controlled at the short fs in reaction times, promptly under the effect of a large amount of hydrolytic bacterias, acid-producing bacteria; With insoluble hydrolysis of organic matter is dissolved organic matter, the macromolecular substance of difficult for biological degradation is converted into the small-molecule substance of readily biodegradable.
The anaerobic hydrolysis in anaerobic hydrolysis-acidification pond is handled the pre-treatment as various biochemical treatments; Can improve the sewage biochemical property; Reduce the load of subsequent biological treatment, thereby during the high food wastewater of chemical industry, papermaking and organic concentration that is widely used in difficult for biological degradation handles.In addition, anaerobic hydrolysis is handled and also can be used for the municipal sewage plant, replaces preliminary sedimentation tank with the anaerobic hydrolysis-acidification pond, reduces the time of subsequent disposal in the aeration tank, thereby reduces construction investment.
The appropriate design in anaerobic hydrolysis-acidification pond is vital for a hydrolysis treatment unit that runs well.The anaerobic hydrolysis reaction tank that upflow anaerobic sludge blanket reactor, anaerobic filter reactor and the external reflux of band mud are arranged commonly used at present.Preceding two kinds of anaerobic treatment process are limited by uniformity of water distribution, and the anaerobic hydrolysis process efficiency of band mud external reflux is lower and take up an area of bigger.
For example number of patent application is in the Chinese patent " integrated circulation anaerobic fixed film reactor " of " 200920196992.4 ", is employed on the plane hydrolytic tank and separation cell are set, and takes up an area of bigger; And adopt thruster to promote mud and drainage flow, but the flow direction of mud and sewage is identical, and the biochemical reaction mass-transfer efficiency is lower; Adopt reflux pump backflow mud in addition, the cost cost is higher, has therefore caused the hydrolysis process efficient of this hydrolytic tank lower.
Therefore, those skilled in the art is devoted to develop and a kind ofly has strong waterpower agitating function, hydrolysis process efficient height and cost is low, take up an area of little anaerobic hydrolysis-acidification pond.
Summary of the invention
Because the above-mentioned defective of prior art, the purpose of this invention is to provide and a kind ofly have strong waterpower agitating function, hydrolysis process efficient height and cost is low, take up an area of little anaerobic hydrolysis-acidification pond.
For realizing above-mentioned purpose, the invention provides a kind of anaerobic hydrolysis-acidification pond, comprise reaction zone and mud-water separation district; Said reaction zone is provided with water-in and water distributing pore; Said mud-water separation district is provided with muddy water import and water outlet, and said muddy water import links to each other with water distributing pore, is provided with whisking appliance in the said reaction zone; Be provided with flow diverter in the said reaction zone, shape at an angle between the direction of said flow diverter guiding drainage flow and the said whisking appliance stirring mud mobile direction.
In preferred embodiments of the present invention; Wherein said whisking appliance comprises rotating shaft; Said flow diverter comprises that several ends of being located in the said rotating shaft are fixed in said rotating shaft, and the other end is along the elastic filler of the clockwise or outwardly-bent extension counterclockwise of said rotating shaft.
In another preferred embodiments of the present invention, wherein said flow diverter and whisking appliance are provided with in vertical direction successively from top to bottom, and it is orthogonal that the direction of said flow diverter guiding drainage flow and said whisking appliance stir mud mobile direction.
In another preferred embodiments of the present invention, wherein said water-in is located at the top of said flow diverter.
In another preferred embodiments of the present invention, wherein said water distributing pore evenly is arranged at the top edge of said reaction zone.
In another preferred embodiments of the present invention, the shape in wherein said mud-water separation district is wide at the top and narrow at the bottom.
In another preferred embodiments of the present invention, the top in wherein said mud-water separation district is provided with the water outlet water leg, and said water outlet water leg links to each other with said water outlet.
In another preferred embodiments of the present invention, the bottom in wherein said mud-water separation district is provided with distributing hole, and said distributing hole communicates with said reaction zone.
In another preferred embodiments of the present invention, wherein said reaction zone and mud-water separation district form a loop through said water distributing pore, muddy water import and distributing hole.
In another preferred embodiments of the present invention, the horizontal section in wherein said anaerobic hydrolysis-acidification pond be shaped as circle or rectangle.
The present invention provides a kind of anaerobic hydrolysis-acidification pond; Can not only make anaerobic hydrolysis-acidification pond water distribution, water outlet even; Help to improve the pool volume rate, have stronger waterpower agitating function, help to promote anaerobic hydrolysis reaction unit mesophytization reaction mass transfer efficient; Form good mikrobe, sewage reaction system, treatment effect is more efficient; And occupation of land is few, divide into groups flexibly, and the few and stability of flow of equipment, reduced investment, operational management is more convenient.In addition, this anaerobic hydrolysis-acidification pond is stable, no water distribution dead angle, and water distribution is difficult for blocking, and is convenient to more safeguard.
Below will combine accompanying drawing that the technique effect of design of the present invention, concrete structure and generation is described further, to understand the object of the invention, characteristic and effect fully.
Description of drawings
Fig. 1 is the diagrammatic cross-section of a preferred embodiment of the present invention;
Fig. 2 is the schematic top plan view of a preferred embodiment of the present invention;
Fig. 3 is the elevational schematic view of a preferred embodiment of the present invention;
Fig. 4 is another diagrammatic cross-section of a preferred embodiment of the present invention.
Embodiment
As shown in Figure 1, in a preferred embodiment of the present invention, the anaerobic hydrolysis-acidification pond comprises reaction zone 1 and mud-water separation district 2; Reaction zone 1 is provided with water-in 3 and water distributing pore 4, and mud-water separation district 2 is provided with muddy water import 5 and water outlet 6 (as shown in Figure 3), and water distributing pore 4 links to each other with muddy water import 5; Be provided with whisking appliance 7 and flow diverter 8 in the reaction zone 1, whisking appliance 7 comprises rotating shaft 71, flow diverter 8 comprises several equidirectional outwardly-bent extensions of being located in the rotating shaft 71, for example shown in Fig. 2 to crooked extension the counterclockwise, elastic filler.
So, in a preferred embodiment of the present invention, owing to be provided with flow diverter with the guiding drainage flow at reaction zone, and it is mobile to be provided with whisking appliance stirring mud, and the direction of flow diverter guiding drainage flow and whisking appliance stir mud mobile direction at an angle.For example shown in Fig. 1, sewage flows down from water-in 3, via the guiding of flow diverter 8, flows from top to bottom in vertical direction; Stir mud and on horizontal plane, rotate and be located at whisking appliance 7 in the mud of reaction zone 1; Vertical direction from top to bottom mobile sewage with at the mud that rotates on the horizontal plane because flow direction different and in reaction zone, can mixing more fully and react, thereby realized higher biochemical reaction mass-transfer efficiency.
In this preferred embodiment; Flow direction after sewage guides via flow diverter is vertical with the turning direction of mud; In other embodiments; Shape at an angle can be different and can thorough mixing and reaction owing to flow direction between the two between the flow direction of sewage and the mud flow direction, and therefore, the present invention does not limit this.
Flow diverter in this preferred embodiment is fixed in rotating shaft of stirrer by several ends; The other end constitutes along the elastic filler of the clockwise or outwardly-bent extension counterclockwise of rotating shaft of stirrer; In other embodiments; Flow diverter can be made up of several level and smooth passages or other modes, as long as shape at an angle between the flow direction of the flow direction of its guiding sewage and mud, the present invention does not limit this.Therefore flow diverter in this preferred embodiment can form a power that flows downward to sewage, thereby relatively be easy to the mixing and the reaction of sewage and mud because be to be made up of several crooked elastic fillers when it rotates.And the flow diverter of this preferred embodiment is located on the rotating shaft of whisking appliance, thereby utilizes the rotation of whisking appliance to form the rotation of self, has practiced thrift equipment cost.In addition, this preferred embodiment sets gradually flow diverter and whisking appliance in vertical direction from top to bottom, thereby has both utilized the gravity of sewage self to flow downward; Practice thrift running cost and have stronger waterpower stirring capacity; Practiced thrift land resources again, taken up an area of lessly, thereby efficient is higher.And the effect of contact oxidation also can be played in elastic filler space each other.
The elastic filler of flow diverter of the present invention can be made up of prior elastic filler, combination dicyclo filler, combination porous ring packing etc.
As shown in Figure 1, the water-in 3 of this preferred embodiment is located at the top of flow diverter 8, also can be located at other positions in other embodiments certainly, and present embodiment does not limit this.As shown in Figure 3, the water-in 3 in this preferred embodiment links to each other with water inlet pipe 9, when plural anaerobic hydrolysis-acidification of the present invention pond cooperatively interacts when setting up, can a shared water inlet pipe, thus practice thrift cost.
As shown in Figure 1, in this preferred embodiment, reaction zone 1 is provided with water distributing pore 4, and mud-water separation district 2 is provided with muddy water import 5, and water distributing pore 4 links to each other with muddy water import 5.When sewage and mud after reaction zone thorough mixing and reaction, get in the mud-water separation districts 2 with muddy water import 5 through water distributing pore 4 and to carry out mud-water separation.Mud-water separation district 2 in this preferred embodiment is adjacent to the edge of reaction zone 1, takes up an area of lessly, has practiced thrift cost.Certainly can be located at the elsewhere in other embodiments, present embodiment does not limit this yet.And the shape in the mud-water separation district of this preferred embodiment is wide at the top and narrow at the bottom, is beneficial to the separation of muddy water and the discharging and the backflow of bottom mud.In other embodiments, also can adopt other shapes.In addition, the water distributing pore 4 in this preferred embodiment evenly is arranged at the top edge of reaction zone, and the muddy water that is beneficial to through abundant reaction gets into the mud-water separation district uniformly from reaction zone.In other embodiments, also can be located at the elsewhere, as long as muddy water can flow out smoothly, flow to, present embodiment does not limit this.
Shown in Fig. 1, Fig. 3 and Fig. 4; Be provided with water outlet water leg 10 in this preferred embodiment; The water outlet water leg is located at the top edge in mud-water separation district, and the shape forming V-shape of water outlet water leg is in order to collect the supernatant after abundant sedimentation in the mud-water separation district (promptly after treatment sewage).In other embodiments, the shape of water outlet water leg can be U-shaped or other shapes, and present embodiment does not limit this.As shown in Figure 3, water outlet water leg 10 links to each other with water outlet 6, and supernatant is collected after water outlet 6 is discharged through the water outlet water leg.As shown in Figure 3; Water outlet 6 in this preferred embodiment links to each other with rising pipe 11; When several anaerobic hydrolysis-acidification of the present invention ponds are set together, can a shared rising pipe 11, water outlet 6 backs of flowing through of the supernatant in the mud-water separation district after abundant sedimentation are discharged by rising pipe 11.
In addition, as shown in Figure 1, the bottom in the mud-water separation district 2 of this preferred embodiment is provided with shore pipe 12, is used for the mud in mud-water separation district is discharged.Shown in Fig. 1 and Fig. 4, the bottom in the mud-water separation district 2 of this preferred embodiment is provided with distributing hole 13, and distributing hole 13 communicates with reaction zone 1.The part mud of bottom, mud-water separation district can be back to via distributing hole and continue to participate in reaction in the reaction zone.The distributing hole of this preferred embodiment has utilized the gravity of mud self, makes it can flow into reaction zone voluntarily.Use less equipment, practiced thrift cost greatly.In other embodiments, can adopt the equipment such as reflux pump that mud is back to reaction zone, present embodiment does not limit this yet.
As shown in Figure 1, the reaction zone 1 and the mud-water separation district 2 of this preferred embodiment have formed one through water distributing pore 4, muddy water import 5 and distributing hole 13 and can supply the mobile loop.Mud is flowed through with the abundant reacted muddy water mixed solution of sewage in reaction zone and is got into mud-water separation after water distributing pore and the muddy water import and distinguish and leave, and the part mud after the separation flows into via distributing hole again and continues to participate in reaction in the reaction zone.
In addition as shown in Figures 2 and 3, the horizontal section in the anaerobic hydrolysis-acidification pond of this preferred embodiment be shaped as square, when several foursquare anaerobic hydrolysis-acidification ponds are set together, can shared pool wall, thereby practiced thrift manufacturing cost.In this preferred embodiment, adopted 4 anaerobic hydrolysis-acidification of the present invention ponds, in other embodiments, the shape of the horizontal section in anaerobic hydrolysis-acidification pond also can be arranged to other shapes, and such as circular or other rectangles, present embodiment does not limit this.
In addition, mouth of the supplied sewage of this preferred embodiment or muddy water turnover all is arranged at the top in anaerobic hydrolysis-acidification pond, is in the mild relatively current, is difficult for stopping up, and be stable, is convenient to maintenance more.
The operational scheme of preferred embodiment of the present invention is: extremely shown in Figure 4 like Fig. 1; In the preferred embodiment of the present invention; 4 anaerobic hydrolysis-acidification of the present invention ponds have been adopted; Each anaerobic hydrolysis-acidification pond is provided with two shore pipes, 12 water-ins and a water outlet, 4 shared water inlet pipes in anaerobic hydrolysis-acidification pond and a rising pipe.When sewage gets in the reaction zone 1 by water-in 3, at first pass through flow diverter 8; Flow diverter 8 forms current that flow downward along with whisking appliance 7 rotates, and sewage gets in the mud of reaction zone 1 bottom from the top down thus, and under the stirring of whisking appliance 7, with mud thorough mixing and reaction.The water distributing pore 4 of muddy water through reaction zone 1 top through thorough mixing and reaction gets into mud-water separation district 2; In mud-water separation district 2 after abundant sedimentation; The heavy bottom that combines in mud-water separation district 2 of mud, part is discharged through shore pipe 12, and part is back to through distributing hole 13 and continues to participate in reaction in the reaction zone 1; Sewage is gathered in the top in mud-water separation district 2 after the reaction after separating, after water outlet water leg 10 is collected, is discharged by water outlet 6.
In addition, as shown in fig. 1, also be provided with reflux sludge tube 14 in the preferred embodiment of the present invention, reflux sludge tube 14 is used for the anaerobic hydrolysis-acidification pond is replenished mud.Especially at the initial operating stage in anaerobic hydrolysis-acidification pond,, can replenish mud to the anaerobic hydrolysis-acidification pond, improve acidification hydrolization efficient through reflux sludge tube for more efficiently operation.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area need not creative work and just can design according to the present invention make many modifications and variation.Therefore, all technician in the art all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology through the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (4)
1. an anaerobic hydrolysis-acidification pond comprises reaction zone and mud-water separation district, and said reaction zone is provided with water-in and water distributing pore; Said mud-water separation district is provided with muddy water import and water outlet; Said muddy water import links to each other with water distributing pore, is provided with whisking appliance in the said reaction zone, it is characterized in that; Be provided with flow diverter in the said reaction zone; Between the direction of said flow diverter guiding drainage flow and the said whisking appliance stirring mud mobile direction shape at an angle, said whisking appliance comprises rotating shaft, said flow diverter comprises that several ends are fixed in said rotating shaft; The other end is along the elastic filler of the clockwise or outwardly-bent extension counterclockwise of said rotating shaft; Said flow diverter and whisking appliance are provided with in vertical direction successively from top to bottom, and it is orthogonal that the direction of said flow diverter guiding drainage flow and said whisking appliance stir mud mobile direction, and the shape in said mud-water separation district is wide at the top and narrow at the bottom.
2. anaerobic hydrolysis-acidification as claimed in claim 1 pond, the top in wherein said mud-water separation district is provided with the water outlet water leg, and said water outlet water leg links to each other with said water outlet.
3. anaerobic hydrolysis-acidification as claimed in claim 1 pond, the bottom in wherein said mud-water separation district is provided with distributing hole, and said distributing hole communicates with said reaction zone.
4. anaerobic hydrolysis-acidification as claimed in claim 1 pond, the horizontal section in wherein said anaerobic hydrolysis-acidification pond be shaped as circle or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100615534A CN102167442B (en) | 2011-03-15 | 2011-03-15 | Anaerobic hydrolysis and acidification pool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100615534A CN102167442B (en) | 2011-03-15 | 2011-03-15 | Anaerobic hydrolysis and acidification pool |
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| CN102167442A CN102167442A (en) | 2011-08-31 |
| CN102167442B true CN102167442B (en) | 2012-05-02 |
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| CN103896396B (en) * | 2013-04-15 | 2016-03-30 | 上海泓济环保工程有限公司 | A kind of upflowing coupling hydrolysis acidification pond |
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| CN200964376Y (en) * | 2005-07-21 | 2007-10-24 | 上海市政工程设计研究院 | Sludge anaerobic reaction device |
| CN201999790U (en) * | 2011-03-15 | 2011-10-05 | 上海市城市建设设计研究院 | Anaerobic hydrolysis acidification tank |
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Owner name: SHANGHAI URBAN CONSTRUCTION DESIGN + RESEARCH INST Free format text: FORMER NAME: SHANGHAI MUNICIPAL URBAN CONSTRUCTION DESIGN AND RESEARCH INST. |
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Address after: 200011 Tibet South Road, Shanghai, No. 1170, No. Patentee after: Shanghai Urban Construction Design & Research Institute Address before: 200125 Dongfang Road, Shanghai, Pudong New Area, No. 3447 Patentee before: Shanghai Urban Construction Design and Research Institute |
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Address after: 200011 Tibet South Road, Shanghai, No. 1170, No. Patentee after: Shanghai urban construction design & Research Institute (Group) Co., Ltd. Address before: 200011 Tibet South Road, Shanghai, No. 1170, No. Patentee before: Shanghai Urban Construction Design & Research Institute |