CN204099233U - Dynamically lower sewage treatment plant residual sludge pump optimizing operation control device - Google Patents
Dynamically lower sewage treatment plant residual sludge pump optimizing operation control device Download PDFInfo
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- CN204099233U CN204099233U CN201420528613.8U CN201420528613U CN204099233U CN 204099233 U CN204099233 U CN 204099233U CN 201420528613 U CN201420528613 U CN 201420528613U CN 204099233 U CN204099233 U CN 204099233U
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Abstract
The utility model provides a kind of dynamically lower sewage treatment plant residual sludge pump optimizing operation control device, is installed into water ga(u)ge, for measuring the pending water yield by aeration tank intake pipe; Be connected to bottom anaerobic tank through interior return sludge pump bottom aeration tank; Top, aeration tank and secondary precipitating tank top UNICOM; Secondary precipitating tank bottom is by exteenal reflux sludge pump, returned sludge flowmeter and anaerobic pool back with water inlet line UNICOM; Mud discharging pipe bottom secondary precipitating tank is installed successively residual sludge pump and excess sludge flowmeter, for measuring and regulating excess sludge discharge amount, ensure that residual sludge pump ensures the stable of spoil disposal under energy-conservation prerequisite, and obtain aerobic sludge age calculated value accurately.The utility model discharges excess sludge according to the electricity charge of Pinggu, peak and mud age, makes residual sludge pump under the prerequisite of cost savings, ensure the stable of spoil disposal, thus realizes the sewage denitrification and dephosphorization treatment effect of efficient stable.
Description
Technical field
The utility model relates to a kind of residual sludge pump optimizing operation control device, particularly relates to sewage treatment plant residual sludge pump optimizing operation control device under a kind of dynamic condition.
Background technique
Nitrogen and phosphorus are one of key factors causing natural water eutrophication, along with the raising of industrial high speed development and people's economic life level, high-concentration industrial-water and domestic sewage discharge amount are increased sharply day by day, significantly increase the load of water nutrition thing, cause the natural waters such as lake, river, reservoir frequently to break out blue-green algae, occur eutrophication, and then cause water body to turn black, the heavy damage natural wetland ecosystem, loses self-purification function.For the removal of total nitrogen in sewage and total phosphorus, scholars have carried out some significant research, develop technology and the group technology of many sewage denitrification and dephosphorizations, particularly strengthening biological carbon and phosphorous removal technology, because its processing cost is low, and become the focus of research.
The operation of residual sludge pump controls to be that strengthening biological carbon and phosphorous removal sewage treatment process runs the important step controlled, and excess sludge discharge amount needs stability contorting at zone of reasonableness, and too high and too low discharge amount is all unfavorable for strengthening biological carbon and phosphorous removal.In order to obtain higher excess sludge discharge concentration, Sewage Plant is usually from secondary precipitating tank discharge excess sludge, namely the effluent concentration of excess sludge is identical with returned sludge concentration, therefore, sewage treatment works usually adopts and calculates to single hand sampling every day of returned sludge the discharge amount determining excess sludge, thus determines the working time of residual sludge pump.Because influent load diurnal variation is larger, make returned sludge change in concentration larger, single is caused to sample not representative, and the stability of online sludge concentration meter and accuracy are difficult to reach control overflow at present, therefore, excess sludge discharge amount is difficult to accurate calculating, and the aerobic sludge age utilizing unitary sampling to calculate is on duty for the day to be changed greatly, and affects the stable operation of biological denitrification phosphorous removal technique.On the other hand, electricity charge gap in Pinggu, peak is comparatively large, and residual sludge pump exists the possibility that gap is run, and the continuous operation mode that sewage treatment works adopts usually causes residual sludge pump operation power charge higher.Therefore, need to improve the operation control mode of existing residual sludge pump, make residual sludge pump under the prerequisite of cost savings, ensure the stable of spoil disposal, realize efficient sewage denitrification and dephosphorization process.
Model utility content
The purpose of this utility model is to provide a kind of dynamically lower sewage treatment plant residual sludge pump optimizing operation control device, this control gear can ensure that residual sludge pump ensures the stable of spoil disposal under energy-conservation prerequisite, and obtain aerobic sludge age calculated value accurately, run with making process for removing nitrogen and phosphor from sewage stability and high efficiency.
The purpose of this utility model is realized by following technical proposals: dynamically lower sewage treatment plant residual sludge pump optimizing operation control device, and this device is provided with: the anaerobic pool connected successively, anaerobic tank, aeration tank, secondary precipitating tank; Aeration tank intake pipe is installed into water ga(u)ge F1, for measuring the pending water yield; Be connected to bottom anaerobic tank through interior return sludge pump bottom aeration tank; Top, aeration tank and secondary precipitating tank top UNICOM; Secondary precipitating tank bottom is by exteenal reflux sludge pump, returned sludge flowmeter F2 and anaerobic pool back with water inlet line UNICOM; Mud discharging pipe bottom secondary precipitating tank is installed successively residual sludge pump and excess sludge flowmeter, for measuring and regulating excess sludge discharge amount, residual sludge pump is connected with frequency variator; Secondary clarifier effluent mouth arranges secondary clarifier effluent mouth flowmeter F3, and controller is connected with feed water flow gauge F1, returned sludge flowmeter F2, excess sludge flowmeter F3, secondary clarifier effluent mouth flowmeter F3, frequency variator respectively.
Further, in order to solve the problems of the technologies described above, the exteenal reflux sludge pump that the utility model provides, residual sludge pump, interior return sludge pump are variable frequency pump.
Further, in order to solve the problems of the technologies described above, the feed water flow gauge F1 that the utility model provides, returned sludge flowmeter F2, excess sludge flowmeter F3, secondary clarifier effluent mouth flowmeter F3 are electromagnetic flowmeter.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model, and compared with prior art the utility model has following characteristics and beneficial effect:
The cardinal principle of the operating control device of the sewage treatment plant residual sludge pump in the utility model be utilize the lower electricity charge and higher sediment realize cost savings, and utilize the stability characteristic (quality) of aeration tank sludge concentration, and the higher flowmeter of reliability calculates real-time change and the diurnal variation of excess sludge concentration, do not need online sludge concentration meter, reduce the dependence to the lower excess sludge densitometer of reliability.The optimizing operation adopting this device to carry out residual sludge pump controls, and the accuracy of mud control in age improves 20% than original system, and stability improves 30% than original system, and residual pump operating cost reduces by 15%.The utility model has reliable and stable, fine adjustment, feature simple to operate, and has good regulating effect.
The utility model can be widely used in the strengthening biological carbon and phosphorous removal process of town domestic sewage or industrial wastewater.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 dynamically descends sewage treatment plant residual sludge pump optimizing operation control device structural representation according to one of the present utility model;
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, connect integratedly, also can be removably connect; Can be mechanical connection or electrical connection, also can be the connection of two element internals; Can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
First the operating control device of the sewage treatment plant residual sludge pump according to the utility model embodiment is described below in detail with reference to accompanying drawing 1.
Fig. 1 shows sewage treatment plant residual sludge pump optimizing operation control device under dynamic condition of the present utility model, and this device is provided with: the anaerobic pool 1 connected successively, anaerobic tank 2, aeration tank 3, secondary precipitating tank 4; Aeration tank 3 intake pipe is installed into water ga(u)ge F1, for measuring the pending water yield; Be connected to bottom anaerobic tank 2 through interior return sludge pump 82 bottom aeration tank 3; Top, aeration tank 3 and secondary precipitating tank 4 top UNICOM; Secondary precipitating tank 4 bottom is by exteenal reflux sludge pump 80, returned sludge flowmeter F2 and anaerobic pool (1) back with water inlet line UNICOM; Mud discharging pipe bottom secondary precipitating tank 4 is installed successively residual sludge pump 81 and excess sludge flowmeter 52, for measuring and regulating excess sludge discharge amount, residual sludge pump 81 is connected with frequency variator 7; Secondary clarifier effluent mouth arranges secondary clarifier effluent mouth flowmeter F3, and controller 6 is connected with feed water flow gauge F1, returned sludge flowmeter F2, excess sludge flowmeter F3, secondary clarifier effluent mouth flowmeter F3, frequency variator 7 respectively.
The exteenal reflux sludge pump 80 that the utility model provides, residual sludge pump 81, interior return sludge pump 82 are variable frequency pump, and the feed water flow gauge F1 that the utility model provides, returned sludge flowmeter F2, excess sludge flowmeter F3, secondary clarifier effluent mouth flowmeter F3 are electromagnetic flowmeter.
By reference to the accompanying drawings 1 and the following example be described further:
Sewage treatment plant residual sludge pump optimizing operation control device under a kind of dynamic condition, be provided with aeration tank 3, anaerobic pool 1, anaerobic tank 2, aeration tank 3, secondary precipitating tank connect successively, in intake pipe, mud return line, excess sludge discharge pipe, outlet pipe, be respectively provided with a flowmeter, and be provided with by pipeline and the sludge reflux pump communicated at the bottom of secondary precipitating tank and residual sludge pump at secondary precipitating tank; Also be provided with controller, this controller carries out signal with three flowmeters and frequency variator and is connected, and is connected with the switch control rule of residue sludge pump.
Under a kind of dynamic condition of the present utility model, sewage treatment plant residual sludge pump optimizing operation control device has outstanding technique effect and demonstration effect through on probation, do not need the I&M of online sludge concentration meter, aerobic sludge age can be stable control within the scope of 6-8d, the accuracy of mud control in age improves 20% than original system, and stability improves 30% than original system.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (3)
1. dynamic lower sewage treatment plant residual sludge pump optimizing operation control device, is characterized in that: this device is provided with: the anaerobic pool (1) connected successively, anaerobic tank (2), aeration tank (3), secondary precipitating tank (4); Aeration tank (3) intake pipe is installed into water ga(u)ge F1 (50), for measuring the pending water yield; Bottom, aeration tank (3) is connected to anaerobic tank (2) bottom through interior return sludge pump (82); (3) top, aeration tank and secondary precipitating tank (4) top UNICOM; Secondary precipitating tank (4) bottom is by exteenal reflux sludge pump (80), returned sludge flowmeter F2 (51) and anaerobic pool (1) back with water inlet line UNICOM; The mud discharging pipe of secondary precipitating tank (4) bottom installs residual sludge pump (81) and excess sludge flowmeter (52) successively, for measuring and regulating excess sludge discharge amount, residual sludge pump (81) is connected with frequency variator (7); Secondary clarifier effluent mouth arranges secondary clarifier effluent mouth flowmeter F3 (53), and controller (6) is connected with feed water flow gauge F1 (50), returned sludge flowmeter F2 (51), excess sludge flowmeter F3 (52), secondary clarifier effluent mouth flowmeter F3 (53), frequency variator (7) respectively.
2. operating control device according to claim 1, is characterized in that, exteenal reflux sludge pump (80), residual sludge pump (81), interior return sludge pump (82) are variable frequency pump.
3. operating control device according to claim 1, it is characterized in that, feed water flow gauge F1 (50), returned sludge flowmeter F2 (51), excess sludge flowmeter F3 (52), secondary clarifier effluent mouth flowmeter F3 (53) are electromagnetic flowmeter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420528613.8U CN204099233U (en) | 2014-09-11 | 2014-09-11 | Dynamically lower sewage treatment plant residual sludge pump optimizing operation control device |
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| CN201420528613.8U CN204099233U (en) | 2014-09-11 | 2014-09-11 | Dynamically lower sewage treatment plant residual sludge pump optimizing operation control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763644A (en) * | 2014-09-11 | 2015-07-08 | 北京城市排水集团有限责任公司 | Optimized operation control device and method of excess sludge pump of sewage treatment plant under dynamic condition |
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2014
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763644A (en) * | 2014-09-11 | 2015-07-08 | 北京城市排水集团有限责任公司 | Optimized operation control device and method of excess sludge pump of sewage treatment plant under dynamic condition |
| CN104763644B (en) * | 2014-09-11 | 2016-08-17 | 北京城市排水集团有限责任公司 | A kind of control method of dynamic lower sewage treatment plant residual sludge pump optimizing operation control device |
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