CN103626263A - Method, device and system for treatment control of percolate and sewage treatment device - Google Patents
Method, device and system for treatment control of percolate and sewage treatment device Download PDFInfo
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- CN103626263A CN103626263A CN201310615776.XA CN201310615776A CN103626263A CN 103626263 A CN103626263 A CN 103626263A CN 201310615776 A CN201310615776 A CN 201310615776A CN 103626263 A CN103626263 A CN 103626263A
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Abstract
The invention relates to the technical field of sewage treatment and discloses a method, device and system for the treatment control of percolate and a sewage treatment device. The system comprises a pressurizing device, a filtration membrane group, a water inlet pipe, a water outlet pipe, an inlet water pressure sensor and a control device, wherein the pressurizing device is used for pressurizing the percolate to be treated, an outlet of the pressurizing device is connected with an inlet of the filtration membrane group through the water inlet pipe, and an outlet of the filtration membrane group is connected with the water outlet pipe; the inlet water pressure sensor is arranged on the water inlet pipe and is used for detecting the current inlet water pressure of the filtration membrane group; the control device is in signal connection with the pressurizing device and the inlet water pressure sensor respectively and is used for controlling the pressurizing device to reduce the pressurizing volume for the percolate to be treated when the current inlet water pressure is not lower than a set first inlet water pressure threshold. By adopting the technical scheme of the invention, the occurrence of a phenomenon that a percolate treatment system is in failure due to too high inlet water pressure can be prevented, the treatment efficiency of the percolate is increased, and the service life of the device is prolonged.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate to a kind of process control method, device, system and a kind of sewage disposal device of percolate.
Background technology
Percolate is the secondary pollutant producing in consumer waste filling and embedding process, and its water quality and quantity is changeful, affected by the factors such as refuse composition, landfill time and land-fill method larger, and therefore, percolate treating process is more complicated.
Existing percolation liquid treating system is mainly comprised of equalizing tank, initial filter system, two-stage film separating system, clean water basin and concentrated liquid pool, and wherein, film separating system is the core system of the whole treatment effect of impact.Film separating system is mainly comprised of filtration module, terminal valve and sensor.The percolate of need processing is that former water is pumped in filtration module by water pump, through the filteration of filtration module, forms clear water and concentrated solution, and clear water flows into clean water basin, the concentrated solution formation fertilizer that is for further processing again.
Owing to entering, the intake pressure of filtration module is unstable, and existing percolation liquid treating system often can be shut down because intake pressure is too high, causes percolate processing efficiency to reduce, and shortens the work-ing life of equipment.
Summary of the invention
The invention provides a kind of process control method, device, system and a kind of sewage disposal device of percolate, in order to improve the intake pressure stability of filtration module, and then the processing efficiency of raising percolate.
The process control system of percolate of the present invention, comprising:
Pressurizing device, filtration module, water inlet pipe and rising pipe, wherein, described pressurizing device is for carrying out pressure treatment to pending percolate, and the outlet of described pressurizing device is connected with the import of described filtration module by described water inlet pipe, and the outlet of described filtration module is connected with described rising pipe;
Intake pressure sensor, is arranged on described water inlet pipe, for detection of the current intake pressure of filtration module;
Control device, is connected with described intake pressure sensor signal with described pressurizing device respectively, when being not less than the first intake pressure threshold value of setting when current intake pressure, controlling described pressurizing device and reduces the amount of pressurization to pending percolate.
In technical solution of the present invention; when current intake pressure is not less than the first intake pressure threshold value of setting; control pressurizing device and reduce the amount of pressurization to pending percolate; therefore; can prevent the too high generation that causes percolation liquid treating system to shut down phenomenon of intake pressure; relatively improve the processing efficiency of percolate, also increase the work-ing life of equipment.
Preferably, described control device is further used for when current intake pressure is not more than the second intake pressure threshold value of setting, control described pressurizing device and increase the amount of pressurization to pending percolate, described the first intake pressure threshold value is greater than described the second intake pressure threshold value.
In the preferred technical scheme of the present invention, when intake pressure hour, the processing efficiency of filtration module declines, therefore by the second intake pressure threshold value of setting, can guarantee that the pressure that enters film group is in suitable pressure range, when guaranteeing that intake pressure is not excessive, be less than the first intake pressure threshold value, make intake pressure be not less than the second intake pressure threshold value, can guarantee that the processing efficiency of filtration module is in higher level.
Preferably, the process control system of described percolate, also comprises:
Water inlet conductivity detector, is arranged on described water inlet pipe, for detection of working as advancing water specific conductivity;
Water flow sensor, is arranged on described rising pipe, for detection of current water flow;
Described control device is also connected with described water flow sensor signal with described water inlet conductivity detector respectively, for according to described when advancing water specific conductivity, and the corresponding relation of water inlet specific conductivity and standard water flow obtains standard water flow; When current intake pressure meets relational expression P
2<P<P
1, and current water flow meets relational expression Q≤kQ
mtime, output film group is stopped up alarm message, and wherein, P is current intake pressure; P
1it is the first intake pressure threshold value; P
2it is the second intake pressure threshold value; Q is current water flow; K is safety coefficient, and k meets 0.7<k<1; Q
mfor standard water flow.
In the preferred technical scheme of the present invention, water inlet conductivity detector and water flow sensor have been increased, existing percolation liquid treating system does not detect influent quality, and the present invention detects water inlet specific conductivity, and according to filtration module self character used, and the corresponding relation of water inlet specific conductivity and standard water flow obtains standard water flow, when intake pressure normal, be that current intake pressure is less than the first intake pressure threshold value of setting and is greater than the second intake pressure threshold value of setting, and when current water flow is less than the product of safety coefficient and standard water flow, illustrate that obstruction has occurred filtration module, control device output film group is stopped up alarm message.Therefore, can judge whether filtration module is stopped up, and does not need to shut down artificial inspection, has saved human cost by flooding parameter and water outlet parameter, and operator can discover in time filtration module obstruction and then take appropriate measures, the security of raising system operation.
Preferably, the process control system of described percolate, also comprises water outlet conductivity proofing unit, is arranged on described rising pipe, for detection of current water outlet conductivity;
Described control device is also connected with described water outlet conductivity proofing unit signal, be further used for being not more than when current intake pressure the second intake pressure threshold value of setting, and when current water outlet conductivity is not less than the water outlet conductivity threshold value of setting, output film group perforation alarm message.
In the preferred technical scheme of the present invention, increased water outlet conductivity proofing unit, to going out electrical conductivity of water, detected, when the water quality of water outlet is not up to standard, water outlet is introduced to former pond, carry out filtration treatment again, and, also can be less according to current intake pressure, be not more than the second intake pressure threshold value of setting, and when current water outlet conductivity is larger, illustrate that perforation phenomenon has occurred filtration module, control device output film group perforation alarm message.Therefore, can judge whether filtration module bores a hole, and does not need to shut down artificial inspection, has saved human cost by flooding parameter and water outlet parameter, and operator can discover in time filtration module perforation and then take appropriate measures, the security of raising system operation.
Preferably, described control device is further used for being not more than the second intake pressure threshold value of setting when current intake pressure, and current water outlet conductivity is while being less than the water outlet conductivity threshold value of setting, controls described pressurizing device and increases the amount of pressurization to pending percolate.
In the preferred technical scheme of the present invention, when current intake pressure less, and water outlet conductivity meets effluent quality requirement, the process control system that percolate is described can also further increase processing power, therefore, can control pressurizing device and increase institute's plus-pressure, improve the processing power of percolate, further improve processing efficiency.
Preferably, described pressurizing device comprises high-pressure pump and topping-up pump, and wherein, described high pressure pump outlet is connected with the entrance of described topping-up pump, and described increase pump outlet is connected with described water inlet pipe.
The form of pressurizing device has multiple, can adopt separately high-pressure pump, also can adopt separately topping-up pump, preferably adopts high-pressure pump to be connected with topping-up pump to realize the percolate that need are processed to pressurize.And, can adopt the further frequency of adjusting high-pressure pump and topping-up pump of frequency transformer, and then the rotating speed of adjusting high-pressure pump and topping-up pump, and then the percolate institute plus-pressure that regulates pressurizing device to process need.
Sewage disposal device of the present invention, comprises the process control system of above-mentioned any percolate.The process control system of above-mentioned any percolate can be used as a link of sewage disposal device; for example can be used as a rear link of biochemical treatment system; the process control system of described percolate is carried out controlled filter film group intake pressure; prevent the too high equipment downtime that causes of intake pressure, improve percolate processing efficiency.
Inventive concept based on identical, the process control method of percolate of the present invention, comprising:
Obtain current intake pressure;
When current intake pressure is not less than the first intake pressure threshold value of setting, controls pressurizing device and reduce the amount of pressurization to pending percolate.
Preferably, the process control method of described percolate, also comprises:
When current intake pressure is not more than the second intake pressure threshold value of setting, to control described pressurizing device and increase the amount of pressurization to pending percolate, described the first intake pressure threshold value is greater than described the second intake pressure threshold value.
Preferably, the process control method of described percolate, also comprises:
Obtain when advancing water specific conductivity and current water flow;
According to described, work as advancing water specific conductivity, and the corresponding relation of former water conductivity and standard water flow obtains standard water flow;
When current intake pressure meets relational expression P
2<P<P
1, and current water flow meets relational expression Q≤kQ
mtime, output film group is stopped up alarm message, and wherein, P is current intake pressure; P
1it is the first intake pressure threshold value; P
2it is the second intake pressure threshold value; Q is current water flow; K is safety coefficient, and k meets 0.7<k<1; Q
mfor standard water flow.
Preferably, the process control method of described percolate, also comprises:
When current intake pressure is not more than the second intake pressure threshold value of setting, and current water outlet conductivity is while being not less than the water outlet conductivity threshold value of setting, output film group perforation alarm message.
Preferably, the process control method of described percolate, also comprise: when current intake pressure is not more than the second intake pressure threshold value of setting, and current water outlet conductivity is while being less than the water outlet conductivity threshold value of setting, controls described pressurizing device and increases the amount of pressurization to pending percolate.
The processing control apparatus of percolate of the present invention, comprising:
Obtain equipment, for obtaining current intake pressure;
Operating device, when being not less than the first intake pressure threshold value of setting when current intake pressure, controlling pressurizing device and reduces the amount of pressurization to pending percolate.
Preferably, described operating device is further used for when current intake pressure is not more than the second intake pressure threshold value of setting, control described pressurizing device and increase the amount of pressurization to pending percolate, described the first intake pressure threshold value is greater than described the second intake pressure threshold value.
Preferably, the equipment that obtains described in is further used for obtaining when advancing water specific conductivity and current water flow;
Described operating device is further used for working as advancing water specific conductivity according to described, and the corresponding relation of former water conductivity and standard water flow obtains standard water flow; When current intake pressure meets relational expression P
2<P<P
1, and current water flow meets relational expression Q≤kQ
mtime, output film group is stopped up alarm message, and wherein, P is current intake pressure; P
1it is the first intake pressure threshold value; P
2it is the second intake pressure threshold value; Q is current water flow; K is safety coefficient, and k meets 0.7<k<1; Q
mfor standard water flow.
Preferably, described operating device is further used for being not more than the second intake pressure threshold value of setting when current intake pressure, and current water outlet conductivity is while being not less than the water outlet conductivity threshold value of setting, output film group perforation alarm message.
Preferably, described operating device is further used for being not more than the second intake pressure threshold value of setting when current intake pressure, and current water outlet conductivity is while being less than the water outlet conductivity threshold value of setting, controls described pressurizing device and increases the amount of pressurization to pending percolate.
Accompanying drawing explanation
Fig. 1 is the process control system first example structure schematic diagram of percolate of the present invention;
Fig. 2 is the process control system second example structure schematic diagram of percolate of the present invention;
Fig. 3 is the process control method one embodiment schematic flow sheet of percolate of the present invention;
Fig. 4 is the process control method preferred embodiment idiographic flow schematic diagram of percolate of the present invention;
Fig. 5 is the processing control apparatus one example structure schematic diagram of percolate of the present invention.
Reference numeral:
1-raw water pump 2-pressurizing device 3-filtration module 4-intake pressure sensor
5-control device 6-water inlet conductivity detector 7-water flow sensor
8-water outlet conductivity proofing unit 21-high-pressure pump 22-topping-up pump
30-obtains equipment 31-operating device
Embodiment
In order to improve the stability of the intake pressure of filtration module, the embodiment of the present invention provides a kind of process control method, device, system and a kind of sewage disposal device of percolate.In this technical scheme; increase intake pressure sensor; when current intake pressure is not less than the first intake pressure threshold value of setting; control pressurizing device and reduce the amount of pressurization to pending percolate; therefore; can prevent that the too high percolation liquid treating system that causes of intake pressure from shutting down, relatively improve the processing efficiency of percolate, also increase the work-ing life of equipment.For making the object, technical solutions and advantages of the present invention clearer, below lift specific embodiment the present invention is described in further detail.
The embodiment of the present invention provides a kind of process control system of percolate, as shown in Figure 1, process control system the first example structure schematic diagram that Fig. 1 is percolate of the present invention, the process control system of described percolate, comprising:
Pressurizing device 2, filtration module 3, water inlet pipe and rising pipe, wherein, pressurizing device 2 is for pending percolate is carried out to pressure treatment, and the outlet of pressurizing device 2 is connected with the import of filtration module 3 by water inlet pipe, and the outlet of filtration module 3 is connected with rising pipe;
Intake pressure sensor 4, is arranged on water inlet pipe, for detection of the current intake pressure of filtration module;
In first embodiment of the invention; when current intake pressure is not less than the first intake pressure threshold value of setting; control pressurizing device and reduce the amount of pressurization to pending percolate; therefore; can prevent the too high generation that causes percolation liquid treating system to shut down phenomenon of intake pressure; relatively improve the processing efficiency of percolate, also increase the work-ing life of equipment.
Shown in Fig. 1, preferably, control device 5 is further used for when current intake pressure is not more than the second intake pressure threshold value of setting, controls the amount of pressurization that pressurizing device 2 increases pending percolate, and the first intake pressure threshold value is greater than the second intake pressure threshold value.
In the preferred embodiment of the invention, when intake pressure hour, the processing efficiency of filtration module 3 declines, therefore by the second intake pressure threshold value of setting, can guarantee that the pressure that enters film group is in suitable pressure range, when guaranteeing that intake pressure is not excessive, be less than the first intake pressure threshold value, make intake pressure be not less than the second intake pressure threshold value, can guarantee that the processing efficiency of filtration module is in higher level.
In embodiments of the present invention, the first intake pressure threshold value and the second intake pressure threshold value are to set by experience according to the standard pressure of filtration module own, for example filtration module standard pressure used is P, the first intake pressure threshold setting is 1.1P, the second intake pressure threshold setting is 0.9P, but the present invention is not limited to these concrete numerical value.In following embodiment, water outlet conductivity threshold value is also rule of thumb set, and generally by characteristic, water inlet specific conductivity and the intake pressure of filtration module used itself, is determined.
As shown in Figure 2, process control system the second example structure schematic diagram that Fig. 2 is percolate of the present invention, the process control system of described percolate, also comprises:
Water inlet conductivity detector 6, is arranged on water inlet pipe, for detection of working as advancing water specific conductivity;
Water flow sensor 7, is arranged on rising pipe, for detection of current water flow;
Control device 2 is also connected with water flow sensor 7 signals with water inlet conductivity detector 6 respectively, be further used for according to working as advancing water specific conductivity, and the corresponding relation of water inlet specific conductivity and standard water flow obtains standard water flow; When current intake pressure meets relational expression P
2<P<P
1, and current water flow meets relational expression Q≤kQ
mtime, output film group is stopped up alarm message, and wherein, P is current intake pressure; P
1it is the first intake pressure threshold value; P
2it is the second intake pressure threshold value; Q is current water flow; K is safety coefficient, and k meets 0.7<k<1; Q
mfor standard water flow.
In second embodiment of the invention, water inlet conductivity detector 6 and water flow sensor 7 have been increased, existing percolation liquid treating system does not detect influent quality, and the present invention detects water inlet specific conductivity, and according to filtration module self character used, and the corresponding relation of water inlet specific conductivity and standard water flow obtains standard water flow, when intake pressure normal, be that current intake pressure is less than the first intake pressure threshold value of setting and is greater than the second intake pressure threshold value of setting, and when current water flow is less than the product of safety coefficient and standard water flow, illustrate that obstruction has occurred filtration module 3, control device output film group is stopped up alarm message.Therefore; can judge whether filtration module 3 is stopped up, and does not need to shut down artificial inspection, has saved human cost by flooding parameter and water outlet parameter; and operator can discover in time filtration module and stops up and then take appropriate measures, the security of raising system operation.
Shown in Fig. 2, on the basis of above-mentioned arbitrary embodiment, the process control system of described percolate, also comprises water outlet conductivity proofing unit 8, is arranged on rising pipe, for detection of current water outlet conductivity;
Control device 2 is also connected with water outlet conductivity proofing unit 8 signals, be further used for being not more than when current intake pressure the second intake pressure threshold value of setting, and when current water outlet conductivity is not less than the water outlet conductivity threshold value of setting, output film group perforation alarm message.
In this technical scheme, increased water outlet conductivity proofing unit, to going out electrical conductivity of water, detected, when the water quality of water outlet is not up to standard, water outlet is introduced to former pond, carry out filtration treatment again, and, also can be less according to current intake pressure, be not more than the second intake pressure threshold value of setting, and when current water outlet conductivity is larger, illustrate that perforation phenomenon has occurred filtration module 3, control device 5 output film group perforation alarm messages.Therefore, can judge whether filtration module bores a hole, and does not need to shut down artificial inspection, has saved human cost by flooding parameter and water outlet parameter, and operator can discover in time filtration module perforation and then take appropriate measures, the security of raising system operation.
In the above-described embodiments, shown in Fig. 2, the process control system of described percolate generally also has raw water pump 1, for the percolate that the need in former pond are processed, is transported in the process control system of percolate, and the outlet of raw water pump 1 is connected with the entrance of pressurizing device 2.
In the above-described embodiments, the process control system of described percolate can also comprise warning device, for according to the film group of control device 5 output, stop up alarm message or film group perforation alarm message send guard signal for example buzzer carry out notification operator, obstruction alarm message or film group perforation alarm message also can be presented on operating panel, and operator also can process percolate process control system according to the obstruction alarm message of seeing or film group perforation alarm message.
Shown in Fig. 2, preferably, described control device 5 is further used for being not more than the second intake pressure threshold value of setting when current intake pressure, and current water outlet conductivity is while being less than the water outlet conductivity threshold value of setting, controls the amount of pressurization that pressurizing device 2 increases pending percolate.
In the preferred embodiment of the invention, when current intake pressure less, and water outlet conductivity meets effluent quality requirement, the process control system that percolate is described can also further increase processing power, therefore, can control pressurizing device 2 and increase institute's plus-pressure, improve the processing power of percolate, further improve processing efficiency.
Shown in Fig. 2, process control system to the percolate of above-mentioned arbitrary embodiment, described pressurizing device 2 comprises high-pressure pump 21 and topping-up pump 22, wherein, the outlet of high-pressure pump 21 is connected with the entrance of topping-up pump 22, and the outlet that increases pump 22 is connected with water inlet pipe.
The form of pressurizing device 2 has multiple, can adopt separately high-pressure pump, also can adopt separately topping-up pump, preferably adopts high-pressure pump 21 to be connected with topping-up pump 22 to realize the percolate that need are processed to pressurize.And, can adopt the further frequency of adjusting high-pressure pump and topping-up pump of frequency transformer, and then the rotating speed of adjusting high-pressure pump 21 and topping-up pump 22, and then regulate 2 pairs of pressurizing devices to need the percolate institute plus-pressures of processing.In addition, high-pressure pump 21 and topping-up pump 22 also can carry out pressure adjusting by adoption rate control valve.
The embodiment of the present invention also provides a kind of sewage disposal device, comprises the process control system of above-mentioned any percolate.The process control system of above-mentioned any percolate can be used as a link of sewage disposal device; for example can be used as a rear link of biochemical treatment system; the process control system of described percolate is carried out controlled filter film group intake pressure; prevent the too high equipment downtime that causes of intake pressure, improve percolate processing efficiency.
Inventive concept based on identical, the embodiment of the present invention also provides a kind of process control method of percolate, as shown in Figure 3, and the process control method one embodiment schematic flow sheet that Fig. 3 is percolate of the present invention, the process control method of described percolate comprises:
In the process control method of percolate of the present invention; owing to increasing, judge that whether current intake pressure is in OK range; when current intake pressure is not less than the first intake pressure threshold value of setting; control pressurizing device and reduce the amount of pressurization to pending percolate; prevent from entering the too high phenomenon that causes shutdown of intake pressure of filtration module; relatively improve the processing efficiency of percolate, extended the work-ing life of equipment.
The preferred embodiment of the invention, the process control method of described percolate, also comprises:
When current intake pressure is not more than the second intake pressure threshold value of setting, to control described pressurizing device and increase the amount of pressurization to pending percolate, described the first intake pressure threshold value is greater than described the second intake pressure threshold value.
The preferred embodiment of the invention, the process control method of described percolate, also comprises:
Obtain when advancing water specific conductivity and current water flow;
According to described, work as advancing water specific conductivity, and the corresponding relation of former water conductivity and standard water flow obtains standard water flow;
When current intake pressure meets relational expression P
2<P<P
1, and current water flow meets relational expression Q≤kQ
mtime, output film group is stopped up alarm message, and wherein, P is current intake pressure; P
1it is the first intake pressure threshold value; P
2it is the second intake pressure threshold value; Q is current water flow; K is safety coefficient, and k meets 0.7<k<1; Q
mfor standard water flow.
The preferred embodiment of the invention, the process control method of described percolate, also comprises:
When current intake pressure is not more than the second intake pressure threshold value of setting, and current water outlet conductivity is while being not less than the water outlet conductivity threshold value of setting, output film group perforation alarm message.
Preferably, the process control method of described percolate, also comprise: when current intake pressure is not more than the second intake pressure threshold value of setting, and current water outlet conductivity is while being less than the water outlet conductivity threshold value of setting, controls described pressurizing device and increases the amount of pressurization to pending percolate.
Below enumerate one preferably embodiment further illustrate the process control method of percolate of the present invention, as shown in Figure 4, the process control method preferred embodiment idiographic flow schematic diagram that Fig. 4 is percolate of the present invention, described control method comprises:
In preferred embodiment; not only can realize the control to pressurizing device pressure; prevent the too high shutdown phenomenon causing of intake pressure; and limit intake pressure within suitable scope; within the scope of the intake pressure that can bear in film group, improve the treatment capacity of film group, and can be according to the comparison of water inlet ginseng water and water outlet parameter; realize the function of film group generation unusual phenomenon output alarm information, for example, when film group is stopped up or film group is bored a hole, send alarm message.
In the embodiment of above-mentioned control method, while determining the perforation of film group, can also adopt another kind of path, first judging current intake pressure is less than the first intake pressure threshold value and is greater than the second intake pressure threshold value, judge again the product that water flow is greater than safety coefficient and standard water flow, finally judge the water outlet conductivity threshold value that water outlet conductivity is not less than setting, can determine filtration module perforation.
Inventive concept based on identical, the embodiment of the present invention also provides a kind of processing control apparatus of percolate, as shown in Figure 5, and the processing control apparatus one example structure schematic diagram that Fig. 5 is percolate of the present invention, described control device comprises:
Obtain equipment 30, for obtaining current intake pressure;
Operating device 31, when being not less than the first intake pressure threshold value of setting when current intake pressure, controlling pressurizing device and reduces the amount of pressurization to pending percolate.
Preferably, described operating device 31 is further used for when current intake pressure is not more than the second intake pressure threshold value of setting, control described pressurizing device and increase the amount of pressurization to pending percolate, described the first intake pressure threshold value is greater than described the second intake pressure threshold value.
Preferably, described in, obtaining equipment 30 is further used for obtaining when advancing water specific conductivity and current water flow;
Described operating device 31 is further used for working as advancing water specific conductivity according to described, and the corresponding relation of former water conductivity and standard water flow obtains standard water flow; When current intake pressure meets relational expression P
2<P<P
1, and current water flow meets relational expression Q≤kQ
mtime, output film group is stopped up alarm message, and wherein, P is current intake pressure; P
1it is the first intake pressure threshold value; P
2it is the second intake pressure threshold value; Q is current water flow; K is safety coefficient, and k meets 0.7<k<1; Q
mfor standard water flow.
Preferably, described operating device 31 is further used for being not more than the second intake pressure threshold value of setting when current intake pressure, and current water outlet conductivity is while being not less than the water outlet conductivity threshold value of setting, output film group perforation alarm message.
Preferably, described operating device 31 is further used for being not more than when current intake pressure the second intake pressure threshold value of setting, and when current water outlet conductivity is less than the water outlet conductivity threshold value of setting, controls described pressurizing device and increase the amount of pressurization to pending percolate.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (17)
1. a process control system for percolate, is characterized in that, comprising:
Pressurizing device (2), filtration module (3), water inlet pipe and rising pipe, wherein, described pressurizing device (2) is for carrying out pressure treatment to pending percolate, the outlet of described pressurizing device (2) is connected with the import of described filtration module (3) by described water inlet pipe, and the outlet of described filtration module (3) is connected with described rising pipe;
Intake pressure sensor (4), is arranged on described water inlet pipe, for detection of the current intake pressure of filtration module (3);
Control device (5), be connected with described intake pressure sensor (4) signal with described pressurizing device (2) respectively, for when current intake pressure is not less than the first intake pressure threshold value of setting, controls described pressurizing device (2) and reduce the amount of pressurization to pending percolate.
2. the process control system of percolate as claimed in claim 1, it is characterized in that, described control device (5) is further used for when current intake pressure is not more than the second intake pressure threshold value of setting, control described pressurizing device (2) and increase the amount of pressurization to pending percolate, described the first intake pressure threshold value is greater than described the second intake pressure threshold value.
3. the process control system of percolate as claimed in claim 2, is characterized in that, also comprises:
Water inlet conductivity detector (6), is arranged on described water inlet pipe, for detection of working as advancing water specific conductivity;
Water flow sensor (7), is arranged on described rising pipe, for detection of current water flow;
Described control device (2) is also connected with described water flow sensor (7) signal with described water inlet conductivity detector (6) respectively, be used for according to the described advancing water specific conductivity of working as, and the corresponding relation of water inlet specific conductivity and standard water flow obtains standard water flow; When current intake pressure meets relational expression P
2<P<P
1, and current water flow meets relational expression Q≤kQ
mtime, output film group is stopped up alarm message, and wherein, P is current intake pressure; P
1it is the first intake pressure threshold value; P
2it is the second intake pressure threshold value; Q is current water flow; K is safety coefficient, and k meets 0.7<k<1; Q
mfor standard water flow.
4. the process control system of percolate as claimed in claim 2, is characterized in that, also comprises water outlet conductivity proofing unit (8), is arranged on described rising pipe, for detection of current water outlet conductivity;
Described control device (2) is also connected with described water outlet conductivity proofing unit (8) signal, be further used for being not more than when current intake pressure the second intake pressure threshold value of setting, and when current water outlet conductivity is not less than the water outlet conductivity threshold value of setting, output film group perforation alarm message.
5. the process control system of percolate as claimed in claim 4, it is characterized in that, described control device is further used for being not more than when current intake pressure the second intake pressure threshold value of setting, and when current water outlet conductivity is less than the water outlet conductivity threshold value of setting, controls described pressurizing device (2) and increase the amount of pressurization to pending percolate.
6. the process control system of the percolate as described in claim 1～5 any one, it is characterized in that, described pressurizing device comprises high-pressure pump (21) and topping-up pump (22), wherein, the outlet of described high-pressure pump (21) is connected with the entrance of described topping-up pump (22), and the outlet of described increase pump (22) is connected with described water inlet pipe.
7. a sewage disposal device, is characterized in that, comprises the process control system of the percolate as described in claim 1～6 any one.
8. a process control method for percolate, is characterized in that, comprising:
Obtain current intake pressure;
When current intake pressure is not less than the first intake pressure threshold value of setting, controls pressurizing device and reduce the amount of pressurization to pending percolate.
9. the process control method of percolate as claimed in claim 8, is characterized in that, also comprises:
When current intake pressure is not more than the second intake pressure threshold value of setting, to control described pressurizing device and increase the amount of pressurization to pending percolate, described the first intake pressure threshold value is greater than described the second intake pressure threshold value.
10. the process control method of percolate as claimed in claim 9, is characterized in that, also comprises:
Obtain when advancing water specific conductivity and current water flow;
According to described, work as advancing water specific conductivity, and the corresponding relation of former water conductivity and standard water flow obtains standard water flow;
When current intake pressure meets relational expression P
2<P<P
1, and current water flow meets relational expression Q≤kQ
mtime, output film group is stopped up alarm message, and wherein, P is current intake pressure; P
1it is the first intake pressure threshold value; P
2it is the second intake pressure threshold value; Q is current water flow; K is safety coefficient, and k meets 0.7<k<1; Q
mfor standard water flow.
The process control method of 11. percolates as claimed in claim 9, is characterized in that, also comprises:
When current intake pressure is not more than the second intake pressure threshold value of setting, and current water outlet conductivity is while being not less than the water outlet conductivity threshold value of setting, output film group perforation alarm message.
The process control method of 12. percolates as claimed in claim 11, it is characterized in that, also comprise: when current intake pressure is not more than the second intake pressure threshold value of setting, and when current water outlet conductivity is less than the water outlet conductivity threshold value of setting, controls described pressurizing device and increase the amount of pressurization to pending percolate.
The processing control apparatus of 13. 1 kinds of percolates, is characterized in that, comprising:
Obtain equipment, for obtaining current intake pressure;
Operating device, when being not less than the first intake pressure threshold value of setting when current intake pressure, controlling pressurizing device and reduces the amount of pressurization to pending percolate.
The processing control apparatus of 14. percolates as claimed in claim 13, it is characterized in that, described operating device is further used for when current intake pressure is not more than the second intake pressure threshold value of setting, control described pressurizing device and increase the amount of pressurization to pending percolate, described the first intake pressure threshold value is greater than described the second intake pressure threshold value.
The processing control apparatus of 15. percolates as claimed in claim 14, is characterized in that, described in obtain equipment and be further used for obtaining when advancing water specific conductivity and current water flow;
Described operating device is further used for working as advancing water specific conductivity according to described, and the corresponding relation of former water conductivity and standard water flow obtains standard water flow; When current intake pressure meets relational expression P
2<P<P
1, and current water flow meets relational expression Q≤kQ
mtime, output film group is stopped up alarm message, and wherein, P is current intake pressure; P
1it is the first intake pressure threshold value; P
2it is the second intake pressure threshold value; Q is current water flow; K is safety coefficient, and k meets 0.7<k<1; Q
mfor standard water flow.
The processing control apparatus of 16. percolates as claimed in claim 14, it is characterized in that, described operating device is further used for being not more than when current intake pressure the second intake pressure threshold value of setting, and when current water outlet conductivity is not less than the water outlet conductivity threshold value of setting, output film group perforation alarm message.
The processing control apparatus of 17. percolates as claimed in claim 16, it is characterized in that, described operating device is further used for being not more than when current intake pressure the second intake pressure threshold value of setting, and when current water outlet conductivity is less than the water outlet conductivity threshold value of setting, controls described pressurizing device and increase the amount of pressurization to pending percolate.
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