CN103638817B - The cleaning control method of film post, device, system and sewage disposal device - Google Patents
The cleaning control method of film post, device, system and sewage disposal device Download PDFInfo
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- CN103638817B CN103638817B CN201310585225.3A CN201310585225A CN103638817B CN 103638817 B CN103638817 B CN 103638817B CN 201310585225 A CN201310585225 A CN 201310585225A CN 103638817 B CN103638817 B CN 103638817B
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present invention relates to technical field of sewage, disclose a kind of cleaning control method of film post, device, system and a kind of sewage disposal device, to optimize the effect of cleaning film post, save cleaning cost, extend the service life of film post.Cleaning control method comprises: obtain the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity; According to the fouling grade of corresponding relation determination film post of the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post fouling grade; According to cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and the corresponding relation determination film post that cleans coefficient when cleaning time of implementation, the clean cycle number of times of previous purge with clean coefficient.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate to a kind of cleaning control method of film post, device, system and a kind of sewage disposal device.
Background technology
Physical chemistry treatment technology, light irradiation technique and membrane separation technique are called as three large water technologies.Wherein, membrane separation technique is by the difference of film to the selected area update strategy effect of component each in mixture, with outside energy or chemical potential difference for the liquid of motive force to two component or multicomponent mixture be separated, classification, purification and enrichment method.And reverse osmosis membrane separation technology is as the advanced technology of world today's water treatment, there is the advantages such as clean, efficient, pollution-free, be widely used in desalinization, city water process, pure water and ultra-pure water preparation, municipal sewage and utilization, Industrial Wastewater Treatment, Spent Radioactive water treatment etc.
For the process of percolate from garbage filling field, if reach national grade one discharge standard, generally provide two-stage DTRO(DiscTubeReverseOsmosis, disc tube reverse osmosis (dt-ro), be called for short DTRO) treatment system, sewage disposal device comprises central control system, sand filter, first-stage reverse osmosis system, two-stage reverse osmosis system, percolate storage tank, sulfuric acid storage tank, water purification storage tank, cleaning agent storage tank, degassing tower etc.
Film post, as the core component of counter-infiltration system, mainly comprises disc-type diaphragm, flow guiding disc, O type rubber ring, center pull rod and pressure jacket.Film post there will be scale formation after a period of operation, can have influence on the normal work of equipment time serious, therefore needs regularly to carry out Chemical cleaning to film post.In prior art, when film column pressure reaches 55bar(1bar=100KPa), and accumulated running time reach 125 hours, at this moment equipment sends warning, and alert is cleaned film post.Operating personnel select cleaning reagent and the setting cleaning time of implementation, then start to carry out Chemical cleaning to film post.
Present inventor finds, prior art carries out to film post the fouling grade not considering film post in the alert if of Chemical cleaning, if the slight fouling of film post, the cleaning adopting the method to be fixed the time is then unfavorable for saving cleaning energy consumption, cost, if and the fouling of film post is serious, adopt the method that film post may be caused cleaning dirty, and then have influence on the service life of film post and the wastewater treatment efficiency of equipment.
Summary of the invention
Embodiments provide a kind of cleaning control method of film post, device, system and a kind of sewage disposal device, in order to optimize the effect of cleaning film post, save cleaning energy consumption and cost, extend the service life of film post.
The cleaning control method of the film post that the embodiment of the present invention provides, comprising:
Obtain the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity;
According to the fouling grade of corresponding relation determination film post of the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post fouling grade;
According to cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and the corresponding relation determination film post that cleans coefficient when cleaning time of implementation, the clean cycle number of times of previous purge with clean coefficient.
In technical solution of the present invention, according to cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and the corresponding relation determination film post that cleans coefficient when cleaning time of implementation, the clean cycle number of times of previous purge with clean coefficient, the effect that film post is cleaned can be optimized, when the slight fouling of film post, the time of implementation of cleaning is shorter, cleaning efficiency can be improved and save cleaning energy consumption and cost, when the fouling of film post is serious, the time of implementation of cleaning suitably increases, the cleaning quality of film post can be ensured, improve the service efficiency of film post.
Preferably, the method also comprises:
Obtain the pH value of recirculated water;
Corresponding relation according to the fouling grade of film post and the pH value of recirculated water and cleaning reagent classification and cleaning reagent consumption determines cleaning reagent classification and the cleaning reagent consumption of working as previous purge.
Determine when the cleaning reagent classification of previous purge and cleaning reagent consumption can improve cleaning quality and the cleaning efficiency of film post further according to the fouling grade of film post and the pH value of recirculated water, and the waste of cleaning reagent can be reduced, save cleaning cost further.
Preferably, the method also comprises:
According to the water rate of corresponding relation determination film post of the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post water rate;
According to the water rate of film post, apart from the cleaning rank of cleaning the interval time of film post and the pressure of film post and other corresponding relation determination film post of film post wash stage last time, the cleaning rank of described film post comprises warning level and alert levels;
When the cleaning rank of described film post is warning level, export film post cleaning early warning information;
When the cleaning rank of described film post is alert levels; export film post cleaning prompt messages; and control sewage disposal device and shut down, according to when cleaning time of implementation of previous purge, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned.
When the cleaning rank of film post reaches warning level; film post cleaning early warning information can alert be cleaned film post in time; this cleaning can complete after work at present is shut down at sewage disposal device to be carried out; when the cleaning rank of film post reaches alert levels; after output film post cleaning prompt messages; sewage disposal device will be shut down, and automatically start to clean film post.The program can improve the intelligence degree of film post cleaning.
Further, the method also comprises: when exporting the interval time being less than setting interval time of early warning information or prompt messages, and during the permission grade of the fouling grade of film post higher than setting, output film changes information.Diaphragm changes information alert can change the diaphragm of film post in time, is conducive to the service efficiency improving film post, improves the wastewater treatment efficiency of equipment.
Based on identical inventive concept, the embodiment of the present invention additionally provides a kind of cleaning control device of film post, comprising:
Acquisition equipment, for obtaining the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity;
Control appliance, for the fouling grade of the corresponding relation determination film post according to the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post fouling grade; And
According to cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and the corresponding relation determination film post that cleans coefficient when cleaning time of implementation, the clean cycle number of times of previous purge with clean coefficient.
The cleaning control device provided can optimize the effect of cleaning film post, when the slight fouling of film post, the time of implementation of cleaning is shorter, cleaning efficiency can be improved and save cleaning energy consumption and cost, when the fouling of film post is serious, the time of implementation of cleaning suitably increases, and can ensure the cleaning quality of film post, improves the service efficiency of film post.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of cleaning control system of film post, comprising:
First counter and the second counter, be respectively used to the accumulative wash number of recording film post and the accumulative scavenging period of film post;
Conductivity detector, for detecting former water water inlet electrical conductivity;
Control device, be connected with described first counter, the second counter and conductivity detector signal respectively, for the fouling grade of the corresponding relation determination film post according to the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post fouling grade; And
According to cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and the corresponding relation determination film post that cleans coefficient when cleaning time of implementation, the clean cycle number of times of previous purge with clean coefficient.
This cleaning control system can optimize the effect of cleaning film post, when the slight fouling of film post, the time of implementation of cleaning is shorter, cleaning efficiency can be improved and save cleaning energy consumption and cost, when the fouling of film post is serious, the time of implementation of cleaning suitably increases, and can ensure the cleaning quality of film post, improves the service efficiency of film post.
Preferably, cleaning control system also comprises the acidity-basicity tester detecting circulating water PH value;
Described control device, be connected with described acidity-basicity tester signal further, for determining cleaning reagent classification and the cleaning reagent consumption of working as previous purge according to the corresponding relation of the fouling grade of film post and the pH value of recirculated water and cleaning reagent classification and cleaning reagent consumption.
Preferably, described control device, is further used for the water rate of corresponding relation determination film post according to the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post water rate; And
According to the water rate of film post, apart from the cleaning rank of cleaning the interval time of film post and the pressure of film post and other corresponding relation determination film post of film post wash stage last time, the cleaning rank of described film post comprises warning level and alert levels; And
When the cleaning rank of described film post is warning level, export film post cleaning early warning information;
When the cleaning rank of described film post is alert levels, export film post cleaning prompt messages, and control sewage disposal device and shut down, according to when cleaning time of implementation of previous purge, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned;
Described cleaning control system, also comprises the pre-alarming device be connected with described control device signal, for according to described early warning delivering early warning signal, and sends alarm signal according to described prompt messages.
Preferably, cleaning control system also comprises:
3rd counter, for recording the interval time sending early warning signal or alarm signal;
Described control device, is connected with described 3rd counter signals further, and for when being less than interval time of setting described interval time, and during the permission grade of the fouling grade of film post higher than setting, output film changes information;
Described pre-alarming device, also sends diaphragm replacing cue for changing information according to described diaphragm.
The embodiment of the present invention additionally provides a kind of sewage disposal device, comprises at least one-level counter-infiltration system, and the cleaning control system as described in aforementioned arbitrary technical scheme corresponding to film post of every one-level counter-infiltration system.The sewage disposal device provided optimizes the effect of cleaning film post, has saved cleaning cost, extends the service life of film post.Described sewage disposal device comprises wastewater treatment vehicle.
Accompanying drawing explanation
Fig. 1 is the cleaning control method schematic flow sheet of one embodiment of the invention film post;
Fig. 2 is the cleaning control apparatus structure schematic diagram of one embodiment of the invention film post;
Fig. 3 is the cleaning control system structural representation of one embodiment of the invention film post;
Fig. 4 is the cleaning control system structural representation of another embodiment of the present invention film post.
Detailed description of the invention
In order to optimize the effect of cleaning film post, saving cleaning cost, extending the service life of film post, embodiments provide a kind of cleaning control method of film post, device, system and a kind of sewage disposal device.In this technical scheme, according to cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and the corresponding relation determination film post that cleans coefficient when cleaning time of implementation, the clean cycle number of times of previous purge with clean coefficient, the effect that film post is cleaned can be optimized, when the slight fouling of film post, the time of implementation of cleaning is shorter, cleaning efficiency can be improved and save cleaning energy consumption and cost, when the fouling of film post is serious, the time of implementation of cleaning suitably increases, the cleaning quality of film post can be ensured, improve the service efficiency of film post.The present invention is described with reference to the accompanying drawings below with specific embodiment.
As shown in Figure 1, the cleaning control method of the film post that the embodiment of the present invention provides, comprising:
Step 101, the accumulative wash number of acquisition film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity;
Step 102, the fouling grade of corresponding relation determination film post according to the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post fouling grade;
Step 103, cleaning time of implementation according to the fouling grade of film post and film post, clean cycle number of times and the corresponding relation determination film post that cleans coefficient when previous purge cleaning time of implementation, clean cycle number of times and clean coefficient.
To comprise the sewage disposal device of two-pass RO system, assuming that the accumulative wash number of the film post of first order counter-infiltration system is m(k), the accumulative scavenging period of film post is t(k), former water water inlet electrical conductivity is e(k), the fouling grade of film post is g(k), then m(k), t(k), e(k) and g(k) between corresponding relation as shown in table 1, wherein, g(1) ~ g(7) respectively corresponding scaling degree be slight, light, general, medium, heavier, seriously, extremely serious.Assuming that the cleaning time of implementation of film post is s(k), clean cycle number of times is r(k), cleaning coefficient is λ (k), then g(k), s(k), r(k), corresponding relation between λ (k) is as shown in table 2, wherein, s(k), r(k), λ (k) can determine value according to correlation experience or experiment and be pre-stored within control device.
The fouling table of grading of table 1 film post
| Mould post fouling grade g (k) | Cleaning time of implementation s(k) | Clean cycle number of times r(k) | Cleaning coefficient lambda (k) |
| g(1) | s(0) | r（1） | λ(0) |
| g(2) | s(1) | r（2） | λ(1) |
| g(3) | s(2) | r（3） | λ(2) |
| g(4) | s(3) | r（4） | λ(3) |
| g(5) | s(4) | r（5） | λ(4) |
| g(6) | s(5) | r（6） | λ(5) |
| g(7) | s(6) | r（7） | λ(6) |
The cleaning time of implementation of table 2 film post, clean cycle number of times, cleaning coefficient table
In a preferred embodiment of the present invention, the cleaning control method of film post also comprises: the pH value obtaining recirculated water;
Corresponding relation according to the fouling grade of film post and the pH value of recirculated water and cleaning reagent classification and cleaning reagent consumption determines cleaning reagent classification and the cleaning reagent consumption of working as previous purge.
Determine when the cleaning reagent classification of previous purge and cleaning reagent consumption can improve cleaning quality and the cleaning efficiency of film post further according to the fouling grade of film post and the pH value of recirculated water, and the waste of cleaning reagent can be reduced, save cleaning cost further.The corresponding relation of the fouling grade of film post and the pH value of recirculated water and cleaning reagent classification and cleaning reagent consumption can be determined according to correlation experience or experiment.
In another preferred embodiment of the present invention, the method also comprises:
According to the water rate of corresponding relation determination film post of the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post water rate (assuming that water rate is
m(k), t(k), e(k) with
between corresponding relation as shown in table 1);
According to the water rate of film post, apart from cleaning the interval time of film post last time and the pressure of film post determines the cleaning rank of film post with other corresponding relation of film post wash stage (please refer to table 3 shown), the cleaning rank of film post comprises warning level and alert levels;
When the cleaning rank of film post is warning level, export film post cleaning early warning information;
When the cleaning rank of film post is alert levels; export film post cleaning prompt messages; and control sewage disposal device and shut down, according to when cleaning time of implementation of previous purge, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned.
Table 3 film post cleaning rank table
When the cleaning rank of film post reaches warning level, film post cleaning early warning information can alert be cleaned film post in time, and this cleaning can complete after work at present is shut down at sewage disposal device to be carried out again; When the cleaning rank of film post reaches alert levels; after output film post cleaning prompt messages; sewage disposal device will enter stopped status automatically; and automatically start to clean film post; also can shut down rear time delay a period of time (such as 5 minutes) at sewage disposal device and inquire and whether film post be cleaned; if operating personnel are without operation, more automatically start to clean film post.The program can improve the intelligence degree of film post cleaning, alleviates the labour intensity of operating personnel.Also can comprise the relevant information such as cleaning time of implementation, clean cycle number of times, cleaning coefficient, cleaning reagent classification, cleaning reagent consumption respectively in film post cleaning early warning information and film post cleaning prompt messages, operate to instruct operating personnel or make operating personnel understand the correlation circumstance of this cleaning.
It is worth mentioning that, the corresponding relation mentioned in various embodiments of the present invention both can be presented as the form of data relationship table, also can be presented as functional form, be not specifically limited here.
This cleaning control method also can comprise further: when exporting the interval time (interval time of this setting can be determined by experience according to the particular type of film post) being less than setting interval time of early warning information or prompt messages, and the fouling grade of film post (can rule of thumb be determined higher than the permission grade of setting, such as using g(6) grade as setting permission grade) time, output film change information.Diaphragm changes information alert can change the diaphragm of film post in time, is conducive to service efficiency when improving the work of film post, improves the wastewater treatment efficiency of equipment.
The control procedure that the film post of sewage disposal device second level counter-infiltration system is cleaned and previous embodiment similar, but the setting of relevant parameter is distinguished to some extent, needs to determine in conjunction with correlation experience according to the concrete structure of equipment, is no longer described in detail here.
In the technical scheme of various embodiments of the present invention, according to the fouling grade of film post and the cleaning time of implementation of film post, the cleaning time of implementation of previous purge worked as by the corresponding relation determination film post of clean cycle number of times and cleaning coefficient, clean cycle number of times and cleaning coefficient, the effect that film post is cleaned can be optimized, when the slight fouling of film post, the time of implementation of cleaning is shorter, cleaning efficiency can be improved and save cleaning energy consumption and cost, when the fouling of film post is serious, the time of implementation of cleaning suitably increases, the cleaning quality of film post can be ensured, improve the service efficiency of film post.
As shown in Figure 2, based on identical inventive concept, the embodiment of the present invention additionally provides a kind of cleaning control device of film post, comprising:
Acquisition equipment 10, for obtaining the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity;
Control appliance 20, for the fouling grade of the corresponding relation determination film post according to the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post fouling grade; And
According to cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and the corresponding relation determination film post that cleans coefficient when cleaning time of implementation, the clean cycle number of times of previous purge with clean coefficient.
The cleaning control device provided can optimize the effect of cleaning film post, when the slight fouling of film post, the time of implementation of cleaning is shorter, cleaning efficiency can be improved and save cleaning energy consumption and cost, when the fouling of film post is serious, the time of implementation of cleaning suitably increases, and can ensure the cleaning quality of film post, improves the service efficiency of film post.
Preferably, equipment 10 is obtained, also for obtaining the pH value of recirculated water;
Control appliance 20, also for determining cleaning reagent classification and the cleaning reagent consumption of working as previous purge according to the corresponding relation of the fouling grade of film post and the pH value of recirculated water and cleaning reagent classification and cleaning reagent consumption.
Preferably, control appliance 20, also for the water rate of the corresponding relation determination film post according to the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post water rate; And
According to the water rate of film post, apart from the cleaning rank of cleaning the interval time of film post and the pressure of film post and other corresponding relation determination film post of film post wash stage last time, the cleaning rank of film post comprises warning level and alert levels; And
When the cleaning rank of film post is warning level, export film post cleaning early warning information;
When the cleaning rank of film post is alert levels; export film post cleaning prompt messages; and control sewage disposal device and shut down, according to when cleaning time of implementation of previous purge, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned.
Preferably, control appliance 20, also for when the interval time being less than setting interval time exporting early warning information or prompt messages, and during the permission grade of the fouling grade of film post higher than setting, output film changes information.
The beneficial effect of each embodiment is the same above, and it is no longer repeated here.
As shown in Figure 3, based on same inventive concept, the embodiment of the present invention additionally provides a kind of cleaning control system of film post, comprising:
First counter 31 and the second counter 32, is respectively used to the accumulative wash number of recording film post and the accumulative scavenging period of film post;
Conductivity detector 33, for detecting former water water inlet electrical conductivity;
Control device 30, be connected with the first counter 31, second counter 32 and conductivity detector 33 signal respectively, for the fouling grade of the corresponding relation determination film post according to the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post fouling grade; And
According to cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and the corresponding relation determination film post that cleans coefficient when cleaning time of implementation, the clean cycle number of times of previous purge with clean coefficient.
This cleaning control system can optimize the effect of cleaning film post, when the slight fouling of film post, the time of implementation of cleaning is shorter, cleaning efficiency can be improved and save cleaning energy consumption and cost, when the fouling of film post is serious, the time of implementation of cleaning suitably increases, and can ensure the cleaning quality of film post, improves the service efficiency of film post.
As shown in Figure 4, preferably, cleaning control system also comprises the acidity-basicity tester 34 detecting circulating water PH value; Control device 30 is connected with acidity-basicity tester 34 signal further, for determining cleaning reagent classification and the cleaning reagent consumption of working as previous purge according to the corresponding relation of the fouling grade of film post and the pH value of recirculated water and cleaning reagent classification and cleaning reagent consumption.Determine when the cleaning reagent classification of previous purge and cleaning reagent consumption can improve cleaning quality and the cleaning efficiency of film post further according to the fouling grade of film post and the pH value of recirculated water, and the waste of cleaning reagent can be reduced, save cleaning cost further.
Shown in Fig. 4, preferably, control device 30 is further used for the water rate of corresponding relation determination film post according to the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post water rate; And
According to the water rate of film post, apart from the cleaning rank of cleaning the interval time of film post and the pressure of film post and other corresponding relation determination film post of film post wash stage last time, the cleaning rank of film post comprises warning level and alert levels; And
When the cleaning rank of film post is warning level, export film post cleaning early warning information;
When the cleaning rank of film post is alert levels, export film post cleaning prompt messages, and control sewage disposal device and shut down, according to when cleaning time of implementation of previous purge, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned;
Cleaning control system, also comprises the pre-alarming device 35 be connected with control device 30 signal, for according to early warning delivering early warning signal, and sends alarm signal according to prompt messages.
The program can improve the intelligence degree of film post cleaning.Early warning signal and alarm signal should make operating personnel be easy to difference, and concrete form does not limit here, such as, early warning signal shows as more slowly " drip drip " sound, and alarm signal shows as more rapid " dripping " sound, or send continuous print and " drip " sound.
Preferably, cleaning control system also comprises:
3rd counter 36, for recording the interval time sending early warning signal or alarm signal;
Control device 30, is connected with the 3rd counter 36 signal further, and for when be less than interval time of setting interval time, and during the permission grade of the fouling grade of film post higher than setting, output film changes information;
Pre-alarming device 35, also sends diaphragm replacing cue for changing information according to diaphragm.
Diaphragm changes information alert can change the diaphragm of film post in time, is conducive to the service efficiency improving film post, improves the wastewater treatment efficiency of equipment.First counter, the second counter, the 3rd counter are preferably instrument, after the diaphragm of film post is changed, first counter, the second counter, the 3rd counter can be reset clearing, and operating personnel more intuitively, clearly can know the cleaning situation of film post by each instrument.
The embodiment of the present invention additionally provides a kind of sewage disposal device, comprises at least one-level counter-infiltration system, and the cleaning control system as aforementioned any embodiment corresponding to film post of every one-level counter-infiltration system.The particular type of sewage disposal device is not limit, such as, can be wastewater treatment vehicle.The sewage disposal device provided optimizes the effect of cleaning film post, has saved cleaning cost, extends the service life of film post.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. a cleaning control method for film post, is characterized in that, comprising:
Obtain the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity;
According to the fouling grade of corresponding relation determination film post of the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post fouling grade;
According to cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and the corresponding relation determination film post that cleans coefficient when cleaning time of implementation, the clean cycle number of times of previous purge with clean coefficient;
Described cleaning control method also comprises:
Obtain the pH value of recirculated water;
Corresponding relation according to the fouling grade of film post and the pH value of recirculated water and cleaning reagent classification and cleaning reagent consumption determines cleaning reagent classification and the cleaning reagent consumption of working as previous purge; And
According to the water rate of corresponding relation determination film post of the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post water rate;
According to the water rate of film post, apart from the cleaning rank of cleaning the interval time of film post and the pressure of film post and other corresponding relation determination film post of film post wash stage last time, the cleaning rank of described film post comprises warning level and alert levels;
When the cleaning rank of described film post is warning level, export film post cleaning early warning information;
When the cleaning rank of described film post is alert levels; export film post cleaning prompt messages; and control sewage disposal device and shut down, according to when cleaning time of implementation of previous purge, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned.
2. cleaning control method as claimed in claim 1, is characterized in that, also comprise:
When exporting the interval time being less than setting interval time of early warning information or prompt messages, and during the permission grade of the fouling grade of film post higher than setting, output film changes information.
3. a cleaning control device for film post, is characterized in that, comprising:
Acquisition equipment, for obtaining the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity;
Control appliance, for the fouling grade of the corresponding relation determination film post according to the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post fouling grade; And
According to cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and the corresponding relation determination film post that cleans coefficient when cleaning time of implementation, the clean cycle number of times of previous purge with clean coefficient;
Described acquisition equipment, also for obtaining the pH value of recirculated water;
Described control appliance, also for determining cleaning reagent classification and the cleaning reagent consumption of working as previous purge according to the corresponding relation of the fouling grade of film post and the pH value of recirculated water and cleaning reagent classification and cleaning reagent consumption;
Described control appliance, also for the water rate of the corresponding relation determination film post according to the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post water rate; And
According to the water rate of film post, apart from the cleaning rank of cleaning the interval time of film post and the pressure of film post and other corresponding relation determination film post of film post wash stage last time, the cleaning rank of described film post comprises warning level and alert levels; And
When the cleaning rank of described film post is warning level, export film post cleaning early warning information;
When the cleaning rank of described film post is alert levels; export film post cleaning prompt messages; and control sewage disposal device and shut down, according to when cleaning time of implementation of previous purge, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned.
4. cleaning control device as claimed in claim 3, is characterized in that,
Described control appliance, also for when the interval time being less than setting interval time exporting early warning information or prompt messages, and during the permission grade of the fouling grade of film post higher than setting, output film changes information.
5. a cleaning control system for film post, is characterized in that, comprising:
First counter and the second counter, be respectively used to the accumulative wash number of recording film post and the accumulative scavenging period of film post;
Conductivity detector, for detecting former water water inlet electrical conductivity;
Control device, be connected with described first counter, the second counter and conductivity detector signal respectively, for the fouling grade of the corresponding relation determination film post according to the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post fouling grade; And
According to cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and the corresponding relation determination film post that cleans coefficient when cleaning time of implementation, the clean cycle number of times of previous purge with clean coefficient;
Described cleaning control system also comprises the acidity-basicity tester detecting circulating water PH value;
Described control device, be connected with described acidity-basicity tester signal further, for determining cleaning reagent classification and the cleaning reagent consumption of working as previous purge according to the corresponding relation of the fouling grade of film post and the pH value of recirculated water and cleaning reagent classification and cleaning reagent consumption;
Described control device, is further used for the water rate of corresponding relation determination film post according to the accumulative wash number of film post, the accumulative scavenging period of film post and former water water inlet electrical conductivity and film post water rate; And
According to the water rate of film post, apart from the cleaning rank of cleaning the interval time of film post and the pressure of film post and other corresponding relation determination film post of film post wash stage last time, the cleaning rank of described film post comprises warning level and alert levels; And
When the cleaning rank of described film post is warning level, export film post cleaning early warning information;
When the cleaning rank of described film post is alert levels, export film post cleaning prompt messages, and control sewage disposal device and shut down, according to when cleaning time of implementation of previous purge, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned;
Described cleaning control system, also comprises the pre-alarming device be connected with described control device signal, for according to described early warning delivering early warning signal, and sends alarm signal according to described prompt messages.
6. cleaning control system as claimed in claim 5, is characterized in that, also comprise: the 3rd counter, for recording the interval time sending early warning signal or alarm signal;
Described control device, is connected with described 3rd counter signals further, and for when being less than interval time of setting described interval time, and during the permission grade of the fouling grade of film post higher than setting, output film changes information;
Described pre-alarming device, also sends diaphragm replacing cue for changing information according to described diaphragm.
7. a sewage disposal device, is characterized in that, comprises at least one-level counter-infiltration system, and the cleaning control system as described in claim 5 or 6 corresponding to film post of every one-level counter-infiltration system.
8. sewage disposal device as claimed in claim 7, it is characterized in that, described sewage disposal device comprises wastewater treatment vehicle.
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| CN112516798A (en) * | 2020-11-16 | 2021-03-19 | 江苏汉光生物工程有限公司 | Method for purifying erythritol fermentation liquor |
| CN114873663B (en) * | 2022-01-25 | 2023-11-10 | 扬州市思源净水设备有限公司 | Sewage treatment equipment and sewage treatment method |
| CN116441259B (en) * | 2022-06-16 | 2023-11-24 | 华大工程生物学长荡湖研究所 | Method for cleaning common equipment of continuous flow system |
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