CN204384945U - A kind of sewage denitrification system - Google Patents
A kind of sewage denitrification system Download PDFInfo
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- CN204384945U CN204384945U CN201420864757.0U CN201420864757U CN204384945U CN 204384945 U CN204384945 U CN 204384945U CN 201420864757 U CN201420864757 U CN 201420864757U CN 204384945 U CN204384945 U CN 204384945U
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Abstract
The utility model discloses a kind of sewage denitrification system, comprising: biological reaction tank, biological reaction tank first end arranges import, for processing the sewage of input; Second pond, second pond first end is connected with biological reaction tank second end, precipitates for the sewage exported by biological reaction tank, is supernatant liquor and mud by settlement of sewage; Sludge sump, sludge sump first end is connected with second pond second end, for receiving the mud precipitating and obtain; Sludge pump, sludge pump first end is connected with sludge sump second end, for being pumped by mud; Sludge conditioning machine, sludge conditioning machine first end is connected with sludge pump second end, carries out modified with the mud produced containing carbon source after the match by the mud pumped at pulsed high-voltage; Sludge conditioning machine second end is connected with biological reaction tank, is delivered in described biological reaction tank by the mud containing carbon source.
Description
Technical field
The utility model relates to field of Environment Protection, particularly relates to a kind of sewage denitrification system.
Background technology
With the raising of discharging standards, various places Sewage Plant requires that in effluent quality, total nitrogen discharge value is more and more lower.But the most Sewage Plant of China causes water-inlet carbon source not enough due to a variety of causes, and especially resolvable chemical oxygen demand (SCOD) and voltaile fatty acid (VFAs) scarcity in water inlet, directly affects biological denitrificaion efficiency.
At present, solve a kind of method of carbon source deficiency for adopting additional carbon (as methyl alcohol, ethanol, acetic acid and glucose), but adopt the processing cost that greatly will increase sewage work in this way; Another kind method adds in municipal effluent by the trade effluent being rich in biodegradable organic, and the method can increase trucking costs, and additional carbon also can cause excess sludge production to increase.
Therefore, fully " internal carbon source " excavated in sewage effectively can not only improve nitric efficiency, and can reduce the sludge yield of Sewage Plant, is a kind of sustainable resource technology.
At present, the traditional method excavated for " internal carbon source " has chemical method and Physical.Chemical method has alkaline purification method and Ozonation, and Physical has heat treating process, ultrasonication method and high-pressure injection method etc., but in actual application, traditional technology not easily through engineering approaches, processing cost is high and energy consumption is high.
Therefore the internal carbon source development system that research and development are taken up an area less, low, stable, the convenient management of investment working cost, maintaining are simple and easy to through engineering approaches is the problem that Sewage Plant denitrogenation industry needs to solve.
Utility model content
For this reason, the utility model proposes a kind of sewage denitrification system that is that can solve the problem or that at least can partly solve the problem.
According to one side of the present utility model, provide a kind of sewage denitrification system, comprising:
Biological reaction tank, described biological reaction tank first end arranges import, for processing the sewage of input;
Second pond, described second pond first end is connected with described biological reaction tank second end, precipitates for the sewage exported by described biological reaction tank, is supernatant liquor and mud by settlement of sewage;
Sludge sump, described sludge sump first end is connected with described second pond second end, for receiving the mud precipitating and obtain;
Sludge pump, described sludge pump first end is connected with described sludge sump second end, for being pumped by described mud;
Sludge conditioning machine,
Described sludge conditioning machine first end is connected with described sludge pump second end, carries out modified with the mud produced containing carbon source after the match by the mud pumped at pulsed high-voltage;
Described sludge conditioning machine second end is connected with described biological reaction tank, is delivered in described biological reaction tank by the described mud containing carbon source.
Alternatively, according to system of the present utility model, described sludge conditioning machine comprises:
Sludge treatment pipeline, described sludge treatment pipeline is for providing the space of sludge treatment;
High-voltage generator, described high-voltage generator is connected with described sludge treatment pipeline, makes to produce carbon source by the cell wall breaking in the mud of described sludge treatment pipeline for generation of high voltage pulse electric field;
Control device, described control device is connected with described high-voltage generator, for opening, closing or regulate described high-voltage generator.
Alternatively, according to system of the present utility model, described sludge conditioning machine comprises further:
Housing, described housing is rectangular parallelepiped;
In described housing, described sludge treatment pipeline and described high-voltage generator are installed; And
Described housing outer surface arranges described control device and described sludge treatment tube outlet and entrance.
Alternatively, according to system of the present utility model, described sludge treatment pipeline comprises at least one sludge treatment pipe-line cell.
Alternatively, according to system of the present utility model, described high-voltage generator comprises:
Electrode bar, described electrode bar is coaxial with described sludge treatment pipe-line cell;
High pressure generation module, described high pressure generation module is used for forming high voltage pulse electric field in described sludge treatment pipeline;
Voltage control module, described high pressure control module first end is connected the second end with described high pressure generation module and is connected with described electrode bar, for controlling high voltage frequency that described high pressure generation module produces and amplitude.
Alternatively, according to system of the present utility model, wherein said sludge sump the 3rd end is connected with described biological reaction tank, for partial sludge is delivered to described biological reaction tank.
Alternatively, according to system of the present utility model, wherein said second pond top arranges outlet.
Alternatively, according to system of the present utility model, wherein said sludge sump the 4th end is connected with sludge treatment section.
According to sewage denitrification system of the present utility model, provide the sewage denitrification system that a kind of high voltage pulse electric field produces internal carbon source.The microorganism cells that mud contains is subject to the high voltage pulse electric field action of 10-100KV in sludge treater, microorganism cells breaks, the organic matter contained in cell flows out in sludge conditioning machine mud, the mud organic containing cell wall rupture release is delivered to biological reaction tank anoxic section, add the carbon source in biological reaction tank needed for anti-nitration reaction, make the nitrogen-containing pollutants such as the nitric nitrogen in sewage and nitrite nitrogen be adsorbed and degrade, thus control total nitrogen content in sewage.Applied widely according to the utility model sewage denitrification system, the mud of solid content between 0.5 ~ 5% all can realize modified; Can the treatment effect of enhanced sewage, improve sludge characteristics, eliminate the bulking sludge of biological reaction tank; Simple to operate, installation and operation safeguard simple and convenient, take up an area less, energy consumption low (hardly generation current) and operation expense low.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, other advantages various and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and is not thought restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the sewage denitrification system according to a kind of embodiment of the utility model;
Fig. 2 shows the sludge conditioning machine according to a kind of embodiment of the utility model;
Fig. 3 shows the high-voltage generator according to a kind of embodiment of the utility model;
Sewage denitrification system 1000,
Biological reaction tank 1100, second pond 1200, sludge sump 1300, sludge pump 1400, sludge conditioning machine 1500, sludge treatment pipeline 1510, sludge treatment pipe-line cell 1511, sludge treatment line entry 1512, sludge treatment tube outlet 1513, high-voltage generator 1520, electrode bar 1521, high pressure generation module 1522, voltage control module 1523, control device 1530 and housing 1540.
Embodiment
The utility model provides many applicable creative concepts, and this creative concept can be reflected in a large number of in concrete context.The specific embodiment described in following embodiment of the present utility model only as the exemplary illustration of specific implementation of the present utility model, and does not form the restriction to the utility model scope.
According to sewage denitrification system of the present utility model, comprising: biological reaction tank 1100, biological reaction tank 1100 first end arranges import, for processing the sewage of input; Second pond 1200, second pond 1200 first end is connected with biological reaction tank 1,100 second end, precipitates for the sewage exported by biological reaction tank 1100, is supernatant liquor and mud by settlement of sewage; Sludge sump 1300, sludge sump 1300 first end is connected with second pond 1,200 second end, for receiving the mud precipitating and obtain; Sludge pump 1400, sludge pump 1400 first end is connected, for being pumped by mud with sludge sump 1,300 second end; Sludge conditioning machine 1500, sludge conditioning machine 1500 first end is connected with sludge pump 1,400 second end, carries out modified with the mud produced containing carbon source after the match by the mud pumped at pulsed high-voltage; Sludge conditioning machine 1,500 second end is connected with biological reaction tank 1100, is delivered in biological reaction tank 1100 by the mud containing carbon source.
According to Sewage treatment systems of the present utility model, sewage in sewage work inputs in biological reaction tank by import, second pond is inputed to from biological reaction tank, sewage carries out precipitation and forms supernatant liquid and mud in second pond, wherein mud is exported in sludge sump, a part of mud in sludge sump is pumped in sludge conditioning machine by sludge pump and nurses one's health, produce the mud with carbon source, the anoxic section that the mud with carbon source is delivered to biological reaction tank is further processed the sewage that input is come in, remove the itrated compound in sewage, reduce the nitrogen content in sewage.
The sewage denitrification system of internal carbon source is produced according to high voltage pulse electric field of the present utility model, the microorganism cells that mud contains is subject to the high voltage pulse electric field action of 10-100KV in sludge treater, microorganism cells breaks, the organic matter contained in cell flows out in sludge treater mud, the mud organic containing cell wall rupture release is delivered to biological reaction tank anoxic section, add the carbon source in biological reaction tank needed for anti-nitration reaction, the nitrogen-containing pollutants such as the nitric nitrogen in sewage and nitrite nitrogen are made to be adsorbed and degrade, thus control total nitrogen content in sewage.Applied widely according to the utility model sewage denitrification system, the mud of solid content between 0.5 ~ 5% all can realize modified; Can the treatment effect of enhanced sewage, improve sludge characteristics, eliminate the bulking sludge of biological reaction tank; Simple to operate, installation and operation safeguard simple and convenient, take up an area less, energy consumption low (hardly generation current) and operation expense low.
According to the system 1000 of a kind of embodiment of the utility model, sludge conditioning machine 1500 comprises: sludge treatment pipeline 1510, and sludge treatment pipeline 1510 is for providing the space of sludge treatment; High-voltage generator 1520, high-voltage generator 1520 is connected with sludge treatment pipeline 1510, makes to produce carbon source by the cell wall breaking in the mud of sludge treatment pipeline 1510 for generation of high voltage pulse electric field; Control device 1530, control device 1530 is connected with high-voltage generator 1520, for opening, close or regulating high-voltage generator 1520.
According to a kind of system 1000 of embodiment, sludge conditioning machine 1500 comprises further: housing 1540, and housing 1540 is rectangular parallelepiped; In housing 1540, sludge treatment pipeline 1510 and high-voltage generator 1520 are installed; And state housing 1540 outside surface control device 1530 is set and sludge treatment pipeline 1510 exports and entrance.
According to Sewage treatment systems of the present utility model, wherein when sludge conditioning, the switch of control device for opening, the entrance 1512 that sludge pump is managed by sludge treatment enters sludge treatment pipeline 1510, through mud pipeline, high-voltage generator produces high voltage pulse electric field, by control device, high-voltage generator is regulated as required, produce different voltage and broken wall is carried out to produce carbon source to mud inner cell in sludge treatment pipeline, the mud that general solid content controls between 0.5% ~ 5% all can carry out modified, now voltage control is 10KV-100KV, the preferred 15KV of voltage of electric field when solid content is 1%, the mud producing carbon source exports in biological reaction tank by sludge treatment tube outlet 1513, in sludge conditioning machine, control device is arranged on hull outside and conveniently operates.
According to the system 1000 of a kind of embodiment of the utility model, sludge treatment pipeline 1510 comprises at least one sludge treatment pipe-line cell 1511.
According to the system 1000 of a kind of embodiment of the utility model, high-voltage generator 1520 comprises: electrode bar 1521, and electrode bar 1521 is coaxial with sludge treatment pipe-line cell 1511; High pressure generation module 1522, high pressure generation module 1522 for forming high voltage pulse electric field in sludge treatment pipeline 1511; Voltage control module 1523, high pressure control module 1523 first end is connected the second end with high pressure generation module 1522 and is connected with electrode bar 1521, for controlling high voltage frequency that high pressure generation module 1522 produces and amplitude.
According to sewage denitrification system of the present utility model, its mesohigh generation module generates high-voltage electric field, high pressure control module regulates the electric voltage frequency of the high-voltage electric field generated and amplitude, and in sludge treatment pipe-line cell, produce electric field by electrode bar, to carry out modified to the mud in sludge treatment pipeline.
According to the system 1000 of a kind of embodiment of the utility model, wherein sludge sump 1300 the 3rd end is connected with biological reaction tank 1100, for partial sludge is delivered to biological reaction tank 1100.
According to sludge denitrification system of the present utility model, arrange and sludge sump is connected with biological reaction tank, partial sludge in sludge sump is supplemented in described biological reaction tank, to maintain the concentration of mud in biological reaction tank, also maintain the concentration of microorganism in biological reaction tank.
According to the system 1000 of a kind of embodiment of the utility model, wherein second pond 1200 top arranges outlet.
According to sludge denitrification system of the present utility model, outlet is set in second pond middle and upper part to be exported by the supernatant liquid in second pond.
According to the system 1000 of a kind of embodiment of the utility model, wherein sludge sump 1300 the 4th end is connected with sludge treatment section.
According to sludge denitrification system of the present utility model, wherein sludge sump is connected with sludge treatment section, is exported by most mud and processes.
According to sewage denitrification system of the present utility model, optional element is more, can be combined into different embodiments according to claim of the present utility model, and therefore embodiment is not to restriction of the present utility model, but further illustrates of the present utility model.Below in conjunction with accompanying drawing, the utility model is described further.
Embodiment
Sewage denitrification system according to Fig. 1, comprising: biological reaction tank 1100, and biological reaction tank 1100 first end arranges import, for processing the sewage of input; Second pond 1200, second pond 1200 first end is connected with biological reaction tank 1,100 second end, precipitates for the sewage exported by biological reaction tank 1100, is supernatant liquor and mud by settlement of sewage; Sludge sump 1300, sludge sump 1300 first end is connected with second pond 1,200 second end, for receiving the mud precipitating and obtain; Sludge pump 1400, sludge pump 1400 first end is connected, for being pumped by mud with sludge sump 1,300 second end; Sludge conditioning machine 1500, sludge conditioning machine 1500 first end is connected with sludge pump 1,400 second end, carries out modified with the mud produced containing carbon source after the match by the mud pumped at pulsed high-voltage; Sludge conditioning machine 1,500 second end is connected with biological reaction tank 1100, is delivered to by the mud containing carbon source in biological reaction tank 1100; Sludge sump 1300 the 3rd end is connected with biological reaction tank 1100, for partial sludge is delivered to biological reaction tank 1100; Second pond 1200 top arranges outlet; Sludge sump 1300 the 4th end is connected with sludge treatment section.
Sludge conditioning machine 1500 according to Fig. 2 comprises: sludge treatment pipeline 1510, and sludge treatment pipeline 1510 is for providing the space of sludge treatment; High-voltage generator 1520, high-voltage generator 1520 is connected with sludge treatment pipeline 1510, makes to produce carbon source by the cell wall breaking in the mud of sludge treatment pipeline 1510 for generation of high voltage pulse electric field; Control device 1530, control device 1530 is connected with high-voltage generator 1520, for opening, close or regulating high-voltage generator 1520; Housing 1540, housing 1540 is rectangular parallelepiped; In housing 1540, sludge treatment pipeline 1510 and high-voltage generator 1520 are installed; And state housing 1540 outside surface control device 1530 is set and sludge treatment pipeline 1510 exports and entrance; Sludge treatment pipeline 1510 comprises at least one sludge treatment pipe-line cell 1511.
High-voltage generator 1520 according to Fig. 3 comprises: electrode bar 1521, and electrode bar 1521 is coaxial with sludge treatment pipe-line cell 1511; High pressure generation module 1522, high pressure generation module 1522 for forming high voltage pulse electric field in sludge treatment pipeline 1511; Voltage control module 1523, high pressure control module 1523 first end is connected the second end with high pressure generation module 1522 and is connected with electrode bar 1521, for controlling high voltage frequency that high pressure generation module 1522 produces and amplitude.
According to the sewage denitrification system of embodiment, provide the sewage denitrification system that a kind of high voltage pulse electric field produces internal carbon source.The microorganism cells that mud contains is subject to the high voltage pulse electric field action of 10-100KV in sludge conditioning machine, microorganism cells breaks, the organic matter contained in cell flows out in the mud of sludge treater, the mud organic containing cell wall rupture release is delivered to biological reaction tank anoxic section, add the carbon source in biological reaction tank needed for anti-nitration reaction, make the nitrogen-containing pollutants such as the nitric nitrogen in sewage and nitrite nitrogen be adsorbed and degrade, thus control total nitrogen content in sewage.Applied widely according to sewage denitrification system of the present utility model, the mud of solid content between 0.5 ~ 5% all can realize modified.Can the treatment effect of enhanced sewage according to Sewage treatment systems of the present utility model, improve sludge characteristics, eliminate the bulking sludge of biological reaction tank.According to Sewage treatment systems of the present utility model, simple to operate, installation and operation safeguard simple and convenient, take up an area less, energy consumption low (hardly generation current), operation expense is low.
It should be noted, above-described embodiment is described the utility model instead of limits the utility model, and those skilled in the art can design alternative embodiment when not departing from claims scope.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and does not arrange element in the claims or step.
Claims (8)
1. a sewage denitrification system (1000), is characterized in that comprising:
Biological reaction tank (1100), described biological reaction tank (1100) first end arranges import, for processing the sewage of input;
Second pond (1200), described second pond (1200) first end is connected with described biological reaction tank (1100) second end, sewage for being exported by described biological reaction tank (1100) precipitates, and is supernatant liquor and mud by settlement of sewage;
Sludge sump (1300), described sludge sump (1300) first end is connected with described second pond (1200) second end, for receiving the mud precipitating and obtain;
Sludge pump (1400), described sludge pump (1400) first end is connected, for being pumped by described mud with described sludge sump (1300) second end;
Sludge conditioning machine (1500),
Described sludge conditioning machine (1500) first end is connected with described sludge pump (1400) second end, carries out modified with the mud produced containing carbon source after the match by the mud pumped at pulsed high-voltage;
Described sludge conditioning machine (1500) second end is connected with described biological reaction tank (1100), is delivered in described biological reaction tank (1100) by the described mud containing carbon source.
2. system according to claim 1 (1000), is characterized in that described sludge conditioning machine (1500) comprising:
Sludge treatment pipeline (1510), described sludge treatment pipeline (1510) is for providing the space of sludge treatment;
High-voltage generator (1520), described high-voltage generator (1520) is connected with described sludge treatment pipeline (1510), makes to produce carbon source by the mud inner cell broken wall of described sludge treatment pipeline (1510) for generation of high voltage pulse electric field;
Control device (1530), described control device (1530) is connected with described high-voltage generator (1520), for opening, closing or regulate described high-voltage generator (1520).
3. system according to claim 2 (1000), is characterized in that described sludge conditioning machine (1500) comprises further:
Housing (1540), described housing (1540) is rectangular parallelepiped;
In described housing (1540), described sludge treatment pipeline (1510) and described high-voltage generator (1520) are installed; And
Described housing (1540) outside surface arranges outlet and the entrance of described control device (1530) and described sludge treatment pipeline (1510).
4. system according to claim 3 (1000), is characterized in that described sludge treatment pipeline (1510) comprises at least one sludge treatment pipe-line cell (1511).
5. system according to claim 4 (1000), is characterized in that described high-voltage generator (1520) comprising:
Electrode bar (1521), described electrode bar (1521) is coaxial with described sludge treatment pipe-line cell (1511);
High pressure generation module (1522), described high pressure generation module (1522) for forming high voltage pulse electric field in described sludge treatment pipeline (1511);
Voltage control module (1523), described high pressure control module (1523) first end is connected the second end with described high pressure generation module (1522) and is connected with described electrode bar (1521), for controlling high voltage frequency that described high pressure generation module (1522) produces and amplitude.
6. system according to claim 1 (1000), wherein said sludge sump (1300) the 3rd end is connected with described biological reaction tank (1100), for partial sludge being delivered to described biological reaction tank (1100).
7. system according to claim 1 (1000), wherein said second pond (1200) top arranges outlet.
8. system according to claim 1 (1000), wherein said sludge sump (1300) the 4th end is connected with sludge treatment section.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104478074A (en) * | 2014-12-31 | 2015-04-01 | 天津凯英科技发展有限公司 | Sewage denitrification system and method |
CN107265827A (en) * | 2017-08-11 | 2017-10-20 | 天津凯英科技发展股份有限公司 | A kind of sludge cell integrates broken wall system |
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2014
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104478074A (en) * | 2014-12-31 | 2015-04-01 | 天津凯英科技发展有限公司 | Sewage denitrification system and method |
CN107265827A (en) * | 2017-08-11 | 2017-10-20 | 天津凯英科技发展股份有限公司 | A kind of sludge cell integrates broken wall system |
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Address after: 300381 Tianjin, Nankai District Jin Wei South Road, building 76, No. two Patentee after: Tianjin kying technology development Limited by Share Ltd Address before: 300073 Tianjin, Nankai District Jin Wei South Road, building 76, No. two Patentee before: Tianjin Caring Technology Development Co.,Ltd. |