CN109231316B - Control system of sewage treatment system - Google Patents
Control system of sewage treatment system Download PDFInfo
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- CN109231316B CN109231316B CN201811435596.2A CN201811435596A CN109231316B CN 109231316 B CN109231316 B CN 109231316B CN 201811435596 A CN201811435596 A CN 201811435596A CN 109231316 B CN109231316 B CN 109231316B
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- 239000010865 sewage Substances 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 265
- 238000001914 filtration Methods 0.000 claims abstract description 68
- 238000012806 monitoring device Methods 0.000 claims abstract description 40
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 238000011010 flushing procedure Methods 0.000 claims description 29
- 238000001728 nano-filtration Methods 0.000 claims description 23
- 238000001223 reverse osmosis Methods 0.000 claims description 22
- 230000009471 action Effects 0.000 claims description 18
- 230000003993 interaction Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 238000004065 wastewater treatment Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 6
- 239000002253 acid Substances 0.000 description 5
- 150000001768 cations Chemical class 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a control system of a sewage treatment system, which comprises a first water level monitoring device, a second water level monitoring device and a first water level control device, wherein the first water level monitoring device is used for monitoring a first water level of an input reservoir of filtering equipment; the second water level monitoring device is used for monitoring the second water level of the output reservoir of the filtering equipment; and the processor is respectively connected with the first water level monitoring device, the second water level monitoring device and the filtering equipment and is used for controlling the filtering equipment to enter a standby mode when the first water level is lower than a first preset threshold value and/or the second water level is higher than a second preset threshold value and controlling the filtering equipment to enter an operation mode from the standby mode when the first water level is not lower than the first threshold value and the second water level is not higher than the second threshold value. The invention can timely acquire the water level reaching the standard and immediately control the filter equipment to enter the operation mode from the standby mode without stopping and starting by manual control, reduces the consumption of electric energy and time in the stopping and restarting processes, saves the cost, improves the working efficiency and has higher automation degree.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a control system of a sewage treatment system.
Background
Along with the enhancement of the importance degree of people to the environmental protection, sewage treatment technology also continuously develops, filter equipment must be used in sewage treatment, filter equipment's input and output all are provided with the cistern, the cistern of input is for this filter equipment preparation waste water of waiting to filter, and the cistern of output is then for subsequent step retaining, can't provide waste water for filter equipment when the water level of filter equipment input's cistern is too low, and the cistern water level of output is too high can't continue to hold the waste water after the filtration of filter equipment output, among the prior art, the staff can control filter equipment and get into the state of stopping under this kind of circumstances, restart after waiting to adjust the water level, but the staff can not find in time that the water level is adjusted well and restart, work efficiency has been reduced, and the process of switching on and shutting down repeatedly consumes a lot of electric energy and time, the cost has been increased, work efficiency has been reduced.
Therefore, how to provide a solution to the above technical problem is a problem that a person skilled in the art needs to solve at present.
Disclosure of Invention
The invention aims to provide a control system of a sewage treatment system, which reduces the economic cost and time cost, improves the working efficiency and has higher degree of automation.
In order to solve the above technical problems, the present invention provides a control system of a sewage treatment system, including:
The first water level monitoring device is used for monitoring a first water level of an input reservoir of the filtering equipment;
The second water level monitoring device is used for monitoring the second water level of the output reservoir of the filtering equipment;
And the processor is respectively connected with the first water level monitoring device, the second water level monitoring device and the filtering equipment, and is used for controlling the filtering equipment to enter a standby mode when the first water level is lower than a first preset threshold value and/or the second water level is higher than a second preset threshold value, and controlling the filtering equipment to enter an operation mode from the standby mode when the first water level is not lower than the first threshold value and the second water level is not higher than the second threshold value.
Preferably, the controlling the filter device to enter the standby mode specifically includes:
And controlling the filtering equipment to stop at the current action step and pause the timing of the current action step.
Preferably, the control system further comprises:
the man-machine interaction device is connected with the processor and is used for starting the filtering equipment with the preset group number through the man-machine interaction device;
the processor is further connected to the water pump and is further configured to control the operation of a first preset number of water pumps corresponding to the preset number of groups so as to pump the water inputted into the reservoir to the filtering apparatus.
Preferably, the control system further comprises:
the fault detection device is connected with the processor and the water suction pump and is used for detecting whether the water suction pump is in fault or not in operation;
The processor is further used for controlling the failed water pumps to stop working and controlling the non-working water pumps with the same number as the failed water pumps to start according to a preset rule.
Preferably, the control system further comprises:
an alarm connected to the processor;
the processor is also used for controlling the alarm to alarm when the water pump fails.
Preferably, the controlling the first preset number of water pumps corresponding to the preset group number specifically includes:
And responding to the number of the groups of which the filtering equipment is started, and controlling the specified water pumps to stop or start according to the preset rule so as to control the water pumps with the number corresponding to the number of the groups to work.
Preferably, the control system further comprises:
the running state monitoring device is connected with the processor, the second preset number of nanofiltration equipment and the third preset number of reverse osmosis equipment and is used for monitoring the running states of the second preset number of nanofiltration equipment and the third preset number of reverse osmosis equipment;
the processor is further connected to a flushing water pump, and is further configured to control the flushing water pump to flush the nanofiltration device or the reverse osmosis device simultaneously reaching the shutdown flushing step according to a first preset flushing sequence when at least two of the nanofiltration device and the reverse osmosis device reach the shutdown flushing step simultaneously.
Preferably, the processor is further configured to:
And controlling the flushing water pump to flush each nano-filtration device or a fourth preset number of sub-devices in the reverse osmosis device according to a second preset flushing sequence.
Preferably, the processor is further configured to:
recording the last water pump combination of each starting quantity of the water pumps when all the water pumps are closed each time;
When the water suction pump is started each time, the water suction pump of a first preset number corresponding to the preset group number is controlled to work according to the water suction pump combination and the preset cycle combination of each starting number.
Preferably, the control system further comprises:
The water pressure monitoring device is connected with the processor and the water pump and is used for monitoring the water pressure at the input end and the water pressure at the output end of the water pump in operation;
the processor is further configured to control the sewage treatment system to stop when the water pressure at the input end is lower than a third preset threshold value and/or the water pressure at the output end is higher than a fourth preset threshold value, so as to prevent damage to related equipment.
The invention provides a control system of a sewage treatment system, which comprises a first water level monitoring device, a second water level monitoring device and a first water level control device, wherein the first water level monitoring device is used for monitoring a first water level of an input reservoir of filtering equipment; the second water level monitoring device is used for monitoring the second water level of the output reservoir of the filtering equipment; and the processor is respectively connected with the first water level monitoring device, the second water level monitoring device and the filtering equipment and is used for controlling the filtering equipment to enter a standby mode when the first water level is lower than a first preset threshold value and/or the second water level is higher than a second preset threshold value and controlling the filtering equipment to enter an operation mode from the standby mode when the first water level is not lower than the first threshold value and the second water level is not higher than the second threshold value.
Therefore, in the invention, the processor can control the filter device to enter the standby mode when the first water level of the input water reservoir of the filter device is lower than a first preset threshold value and/or the second water level of the output water reservoir of the filter device is higher than a second preset threshold value, and can control the filter device to enter the operation mode from the standby mode when the water level of the input water reservoir is not lower than the first preset threshold value and the water level of the output water reservoir is not higher than the second preset threshold value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the prior art and the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a control system of a sewage treatment system according to the present invention;
Fig. 2 is a schematic structural diagram of a control system of another sewage treatment system according to the present invention.
Detailed Description
The invention has the core of providing a control system of a sewage treatment system, which reduces the economic cost and time cost, improves the working efficiency and has higher degree of automation.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a control system of a sewage treatment system according to the present invention, including:
a first water level monitoring device 1 for monitoring a first water level of an input reservoir of the filtering apparatus;
a second water level monitoring device 2 for monitoring a second water level of the output reservoir of the filtering apparatus;
And the processor 3 is respectively connected with the first water level monitoring device 1, the second water level monitoring device 2 and the filtering equipment and is used for controlling the filtering equipment to enter a standby mode when the first water level is lower than a first preset threshold value and/or the second water level is higher than a second preset threshold value and controlling the filtering equipment to enter an operation mode from the standby mode when the first water level is not lower than the first threshold value and the second water level is not higher than the second threshold value.
Specifically, in view of the technical problems in the background art, in the embodiment of the present invention, when the first water level of the input water reservoir of the filter device is lower than the first preset threshold value and/or the second water level of the output water reservoir of the filter device is higher than the second preset threshold value, the processor 3 can control the filter device to enter the standby mode, so that the filter device can be controlled to enter the operation mode from the standby mode when the first water level of the input water reservoir is not lower than the first preset threshold value and the second water level of the output water reservoir is not higher than the second preset threshold value, so that the filter device starts to operate.
Specifically, the first preset threshold and the second preset threshold may be set independently according to actual situations, so as to find an emergency situation in time and perform corresponding processing, and may be set to various values, for example, 20cm, etc., which is not limited herein.
Specifically, the standby mode may be of various types, for example, the standby mode set by the staff for the filtering device on the basis that the filtering device itself does not have the standby mode, and the processor 3 may control the filtering device to switch between the standby mode and the operation mode, so as to realize that the processor 3 can realize the control of suspending operation and continuing operation of the filtering device under the condition that the water level does not reach the standard, thereby not only ensuring the safety of related devices, but also improving the working efficiency and saving the labor cost.
Specifically, the first water level monitoring device 1 and the second water level monitoring device 2 may be of various types, such as bubble type water level gauge, and the embodiment of the invention is not limited herein.
Wherein after controlling the filter device to enter the standby mode, the processor 3 may also inform the staff of the fault information, which can quickly adjust the water level.
Wherein, the processor 3 can be after control filtration equipment gets into standby mode detect the water level of input cistern and output cistern continuously, when the water level adjustment is qualified, when the first water level of input cistern is not less than first default threshold value and the second water level of output cistern is not higher than second default threshold value promptly, alright control filtration equipment gets into operation mode, compare in the staff, the change of water level can be found more swiftly to the processor 3, can make filtration equipment put into operating condition more swiftly, work efficiency has been improved.
The filtering device in the embodiment of the present invention may be a plurality of filtering devices, for example, a multi-media filtering device, a nanofiltration device, or a reverse osmosis device, which is not limited herein.
In addition, the processor 3 in the embodiment of the present invention may be of various types, for example, may be DCS (Distributed Control System ), and the embodiment of the present invention is not limited herein.
The invention provides a control system of a sewage treatment system, which comprises a first water level monitoring device, a second water level monitoring device and a first water level control device, wherein the first water level monitoring device is used for monitoring a first water level of an input reservoir of filtering equipment; the second water level monitoring device is used for monitoring the second water level of the output reservoir of the filtering equipment; and the processor is respectively connected with the first water level monitoring device, the second water level monitoring device and the filtering equipment and is used for controlling the filtering equipment to enter a standby mode when the first water level is lower than a first preset threshold value and/or the second water level is higher than a second preset threshold value and controlling the filtering equipment to enter an operation mode from the standby mode when the first water level is not lower than the first threshold value and the second water level is not higher than the second threshold value.
Therefore, in the invention, the processor can control the filter device to enter the standby mode when the first water level of the input water reservoir of the filter device is lower than a first preset threshold value and/or the second water level of the output water reservoir of the filter device is higher than a second preset threshold value, and can control the filter device to enter the operation mode from the standby mode when the water level of the input water reservoir is not lower than the first preset threshold value and the water level of the output water reservoir is not higher than the second preset threshold value.
Based on the above embodiments:
As a preferred embodiment, the control of the filter device into the standby mode is specifically:
The filtering device is controlled to stop at the current action step and to pause the timing of the current action step.
Specifically, the standby mode may be a working mode in which the filtering device stops at the current action step and pauses timing of the current action step, after entering the working mode, the filtering device may stop working on one hand, so as to ensure safety of the related devices before and after, on the other hand, the timing of the current action step may be stopped, for example, the third step is currently in the third step, the total duration of the third step needs to be 1 minute, the timing of the current action step has been accumulated for 30 seconds, at this time, the filtering device may be controlled to stop working and pause timing, when the water level is qualified, the processor 3 may control the filtering device to enter the working mode from the standby mode, the filtering device may continue to perform the original third step, and continue the previous timing is equivalent to further performing the third step for 30 seconds, so that the filtering device does not need to restart the filtering action, and further improving the working efficiency.
The standby mode in the embodiment of the present invention may be applicable to various types of filtering devices, for example, a multi-media filtering device, etc., and the embodiment of the present invention is not limited herein.
Of course, the standby mode may be other types besides the standby mode mentioned in the embodiment of the present invention, for example, the standby mode may be reset to reset the current action step, and only stop the current action, and when the filter device needs to be restarted, the processor 3 may control the filter device to be restarted, which is not limited herein.
As a preferred embodiment, the control system further comprises:
The man-machine interaction device 4 is connected with the processor 3 and is used for starting the filtering equipment with the preset group number;
The processor 3 is also connected to the suction pumps and is also adapted to control the operation of a first preset number of suction pumps corresponding to a preset number of groups so as to pump the water fed into the reservoir to the filtering device.
Specifically, considering that in the prior art, a worker needs to start the filter equipment, and also needs to start the water pump with a corresponding number according to the number of groups of the filter equipment to pump water input into the reservoir to the filter equipment, when the number of groups of the filter equipment which are started is changed, the worker still needs to control the change of the work number of the water pump to achieve the aim of saving energy as much as possible under the premise of ensuring normal water pumping work, but the operation speed of the worker is slow, and the labor cost is higher.
Specifically, in the embodiment of the present invention, the processor 3 may control the water pump with a corresponding number to work in response to the number of groups in which the filtering device is turned on, without requiring a worker to operate, thereby further improving the working efficiency.
The corresponding relationship may be various types, and also has a relationship with the type of the filtering device, for example, when the filtering device is a multi-medium filter, and the multi-medium filter needs to operate synchronously with the weak acid cation bed, in this case, according to different opening numbers of the multi-medium filter and the weak acid cation bed, the theoretical working number of the water pump will change, and the corresponding relationship between the starting numbers of the multi-medium filter and the weak acid cation bed and the working number of the water pump is specifically as shown in the following table 1:
TABLE 1
Wherein different filtering devices have different pump sets, which all have corresponding relations, for example, the pump set of the multi-medium filter pumps water for the multi-medium filter.
The number of groups of the filter device that is opened may change during the operation of the filter device, for example, the number of groups of the multi-medium filter device that is opened in an initial state is 1 group of multi-medium filters and 2 groups of weak acid cation beds during the operation of the multi-medium filter device, at this time, the processor 3 controls the 1 group of water pumps to operate, the number of groups of the multi-medium filters that is opened during the operation of the multi-medium filter device is changed to 2 groups, and the number of groups of weak acid cation beds that is opened changes to 3 groups.
The man-machine interaction device 4 may be of various types, such as a man-machine interface, etc., and the embodiments of the present invention are not limited herein.
As a preferred embodiment, the control system further comprises:
Fault detection means 5 connected to the processor 3 and to the suction pump for detecting whether the suction pump is in operation;
The processor 3 is further configured to control the failed water pumps to stop working, and control the non-working water pumps, the number of which is the same as that of the failed water pumps, to start according to a preset rule.
Specifically, the water pump may generate a fault in the working process, in the embodiment of the present invention, when the fault detection device 5 detects the fault of the water pump, the processor 3 may control the faulty water pump to stop working, and control the non-working water pumps with the same number as the faulty water pumps to start according to the preset rule, so that the sewage treatment work is normally performed, no operation of a worker is required, and the working efficiency is improved.
Specifically, a specific example may be that when the water pumps a and B are in the working state, the processor 3 detects a fault, and at this time, the processor 3 may cut off a and control C to start working.
Specifically, the fault detection device 5 may be of various types, for example, a mechanical action monitoring device for detecting a mechanical action of the water pump, and the embodiment of the present invention is not limited herein.
As a preferred embodiment, the control system further comprises:
an alarm 6 connected to the processor 3;
The processor 3 is also used to control the alarm 6 to alarm in case of a malfunction of the suction pump.
Specifically, the processor 3 in the embodiment of the invention can control the alarm 6 to alarm when the water pump fails, and a worker can rapidly overhaul the failed water pump after receiving the alarm, so that the failed water pump is repaired as soon as possible and put into operation, and the working efficiency is further improved.
The alarm 6 may be of various types, such as a buzzer, etc., and the embodiments of the present invention are not limited herein.
As a preferred embodiment, the operation of controlling the first preset number of water pumps corresponding to the preset number of groups is specifically:
And responding to the number of the groups of which the filtering equipment is started, and controlling the specified water pumps to stop or start according to a preset rule so as to control the water pumps with the corresponding number of the groups to work.
Specifically, when the number of groups of the filter equipment to be started changes, the number of water pumps to be started may need to change according to the corresponding relation, and the specified water pumps can be controlled to stop or start according to the preset rules at the moment so as to control the water pumps of the corresponding number to work, various preset rules can be set, the purpose of reasonably scheduling the water pumps is achieved, and the service life of the water pumps is prolonged.
Specifically, the preset rule may be a plurality of types, for example, may be an intermittent preset rule, for example, 1 water pump needs to be controlled to be started in an initial state, at this time, the processor 3 may control A, B and a start of a water pump among the three water pumps, when the number of groups of started filter equipment is changed, at this time, 2 water pumps need to be started, the processor 3 may control B to be started, when the number of water pumps needing to be started becomes 1, at this time, because a is one of the first started, a may be controlled to stop, if the required number of water pumps becomes 2, at this time, C may be controlled to be started, if the required number of water pumps becomes 1, B may be controlled to stop, if the required number of water pumps becomes 2, at this time, a start may be controlled, and the like, so that each water pump may be allowed to have a rest, and the service life of the water pump may be prolonged.
Of course, the preset rule may be of other types, for example, when the initial water pump demand is 1, the start of the water pump may be controlled, and when the water pump demand is 1 when the water pump demand is next started, the start of the water pump may be controlled, which may be summarized as that when the initial water pump demand is 1 each time, the water pump may be started according to the priority of A, B and the priority of C, and when the initial water pump demand is 2, the water pump may be started according to the order of AB, BC and AC, so that the water pump may be started in turn.
As a preferred embodiment, the control system further comprises:
The running state monitoring device 7 is connected with the processor 3, the second preset number of nanofiltration devices and the third preset number of reverse osmosis devices and is used for monitoring the running states of the second preset number of nanofiltration devices and the third preset number of reverse osmosis devices;
The processor 3 is further connected to a flushing water pump and is further adapted to control the flushing water pump to flush the nanofiltration device or the reverse osmosis device simultaneously reaching the shutdown flushing step according to a first preset flushing sequence when at least two of the nanofiltration device and the reverse osmosis device simultaneously reach the shutdown flushing step.
Specifically, in the embodiment of the invention, the same flushing water pump is used for flushing the nanofiltration equipment and the reverse osmosis equipment, and when at least two of the nanofiltration equipment with the second preset number and the reverse osmosis equipment with the third preset number reach the shutdown flushing step at the same time, the processor 3 can flush the nanofiltration equipment or the reverse osmosis equipment which reach the shutdown flushing step at the same time according to the first preset flushing sequence, so that manual operation is replaced, and the working efficiency and the degree of automation are further improved.
The first preset flushing sequence may be set autonomously according to the requirement, for example, may be reverse osmosis apparatus, first nanofiltration apparatus, second nanofiltration apparatus, etc., which is not limited herein.
As a preferred embodiment, the processor 3 is further configured to:
and controlling a flushing water pump to flush the fourth preset number of sub-equipment in each nanofiltration equipment or reverse osmosis equipment according to a second preset flushing sequence.
Specifically, in the embodiment of the present invention, for each reverse osmosis device or nanofiltration device, there are multiple groups of sub-devices, for example, three groups of sub-devices, and the washing of each sub-device by the washing water pump is also performed one by one, and the processor 3 may wash the fourth preset number of sub-devices in each nanofiltration device or reverse osmosis device according to the second preset washing sequence, so as to replace the manual work, and further improve the working efficiency and the automation degree.
The second preset flushing sequence may be set autonomously, for example, when the subset is D, E and F three, the second preset flushing sequence may be set as follows: the priority is D, E, F, etc. from high to low in sequence, and the embodiment of the present invention is not limited herein.
As a preferred embodiment, the control system further comprises:
A memory 8 connected to the processor 3 for storing a timing table constructed by an SFC (Sequential Function Chart ) configuration;
the processor 3 is also arranged to control the filtering device to act according to a time schedule.
Specifically, the time schedule constructed by the SFC configuration has the advantages of small data size, stable structure, convenient use and the like.
Of course, the timing table may be constructed by other types of configurations besides the SFC configuration, which is not limited herein.
As a preferred embodiment, the processor 3 is further configured to:
When all the water pumps are closed each time, recording the last water pump combination of each starting quantity of the water pumps;
when the water pumps are started each time, the first preset number of water pumps corresponding to the preset groups are controlled to work according to the water pump combinations and the preset cycle combinations of each starting number.
Specifically, when all the water pumps are turned off, the processor 3 may record the last water pump combination of each turn-on number of the water pumps, for example, there are A, B and C three water pumps in total, when the processor 3 needs to control all the water pumps currently in operation to be turned off, it may record that one water pump operation of the last time is the water pump a in operation, and when two water pumps of the last time are in operation, it is the water pumps a and B in operation simultaneously, then, when the water pumps need to be turned on next time, it is assumed that the staff has turned on N sets of filtering devices through the man-machine interaction device 4, and in this case, since the two water pumps of the last time are in operation of the water pump a and the water pump B before the last power-off operation, at this time, it may be combined according to a preset cycle: and the AB/BC/AC is used for controlling the water pump B and the water pump C to be started so as to prevent the conditions of too fast loss or faults and the like caused by long-time work of a certain water pump.
Of course, besides the above-mentioned preset cycle combination AB/BC/AC when two water pumps are started, the preset cycle combination when two water pumps are started may be of other types, and when each number of water pumps are started, the preset cycle combination may be set to average the working time of each water pump, which is not limited herein.
As a preferred embodiment, the control system further comprises:
the water pressure monitoring device 9 is connected with the processor 3 and the water pump and is used for monitoring the water pressure at the input end and the water pressure at the output end of the water pump in operation;
The processor 3 is further configured to control the sewage treatment system to stop when the input water pressure is lower than the third preset threshold value and/or the output water pressure is higher than the fourth preset threshold value, so as to prevent damage to related equipment.
Specifically, in the embodiment of the present invention, the processor 3 may detect the water pressure at the input end and the water pressure at the output end of the working water pump, when the water pressure at the input end is lower than the third preset threshold, it indicates that the channel before the water pump may be blocked, so that the water pressure is too low, and when the water pressure at the output end is higher than the fourth preset threshold, it indicates that the channel after the water pump may have a blocking state, so that the water pressure is too high, and if the operation is continued, the related components may be damaged.
The water pressure monitoring device 9 may be of various types, for example, may be a water pressure sensor, etc., and the embodiment of the present invention is not limited herein.
Of course, the processor 3 can also control the alarm 6 to alarm so as to inform the staff of maintenance as soon as possible.
The third preset threshold and the fourth preset threshold may be set autonomously according to actual experience, which is not limited herein.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A control system for a wastewater treatment system, comprising:
The first water level monitoring device is used for monitoring a first water level of an input reservoir of the filtering equipment;
The second water level monitoring device is used for monitoring the second water level of the output reservoir of the filtering equipment;
the processor is respectively connected with the first water level monitoring device, the second water level monitoring device and the filtering equipment, and is used for controlling the filtering equipment to enter a standby mode when the first water level is lower than a first preset threshold value and/or the second water level is higher than a second preset threshold value, and controlling the filtering equipment to enter an operation mode from the standby mode when the first water level is not lower than the first preset threshold value and the second water level is not higher than the second preset threshold value;
The control system further includes:
the man-machine interaction device is connected with the processor and is used for starting the filtering equipment with the preset group number through the man-machine interaction device;
The processor is also connected with the water suction pump and is also used for controlling the water suction pump with a first preset number corresponding to the preset group number to work so as to pump the water input into the reservoir to the filtering equipment;
The control of the filter device to enter a standby mode specifically includes:
And controlling the filtering equipment to stop at the current action step and pause the timing of the current action step.
2. The control system of claim 1, further comprising:
the fault detection device is connected with the processor and the water suction pump and is used for detecting whether the water suction pump is in fault or not in operation;
The processor is further used for controlling the failed water pumps to stop working and controlling the non-working water pumps with the same number as the failed water pumps to start according to a preset rule.
3. The control system of claim 2, further comprising:
an alarm connected to the processor;
the processor is also used for controlling the alarm to alarm when the water pump fails.
4. The control system according to claim 1, wherein the controlling the first preset number of water pump operations corresponding to the preset number of groups is specifically:
And responding to the number of the groups of which the filtering equipment is started, and controlling the specified water pumps to stop or start according to a preset rule so as to control the water pumps with the number corresponding to the number of the groups to work.
5. The control system of claim 1, further comprising:
the running state monitoring device is connected with the processor, the second preset number of nanofiltration equipment and the third preset number of reverse osmosis equipment and is used for monitoring the running states of the second preset number of nanofiltration equipment and the third preset number of reverse osmosis equipment;
the processor is further connected to a flushing water pump, and is further configured to control the flushing water pump to flush the nanofiltration device or the reverse osmosis device simultaneously reaching the shutdown flushing step according to a first preset flushing sequence when at least two of the nanofiltration device and the reverse osmosis device reach the shutdown flushing step simultaneously.
6. The control system of claim 5, wherein the processor is further configured to:
And controlling the flushing water pump to flush each nano-filtration device or a fourth preset number of sub-devices in the reverse osmosis device according to a second preset flushing sequence.
7. The control system of claim 1, wherein the processor is further configured to:
recording the last water pump combination of each starting quantity of the water pumps when all the water pumps are closed each time;
When the water suction pump is started each time, the water suction pump of a first preset number corresponding to the preset group number is controlled to work according to the water suction pump combination and the preset cycle combination of each starting number.
8. The control system according to any one of claims 1 to 7, characterized in that the control system further comprises:
The water pressure monitoring device is connected with the processor and the water pump and is used for monitoring the water pressure at the input end and the water pressure at the output end of the water pump in operation;
the processor is further configured to control the sewage treatment system to stop when the water pressure at the input end is lower than a third preset threshold value and/or the water pressure at the output end is higher than a fourth preset threshold value, so as to prevent damage to related equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811435596.2A CN109231316B (en) | 2018-11-28 | 2018-11-28 | Control system of sewage treatment system |
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| CN201811435596.2A CN109231316B (en) | 2018-11-28 | 2018-11-28 | Control system of sewage treatment system |
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| CN109231316B true CN109231316B (en) | 2024-06-25 |
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| GB2599736A (en) * | 2019-07-19 | 2022-04-13 | Sembcorp Ind Ltd | System and method for auditing wastewater treatment plant parameters |
| CN112568811A (en) * | 2019-09-29 | 2021-03-30 | 北京石头世纪科技股份有限公司 | Detachable structure and self-moving robot |
| CN113599900A (en) * | 2021-08-19 | 2021-11-05 | 无锡市太湖电力成套设备有限公司 | Control method and system for rotary filter screen |
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| CN105293789B (en) * | 2015-11-05 | 2018-10-16 | 珠海格力电器股份有限公司 | Water purifying device and control method |
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