CN112114109A - Reverse osmosis water quality standard exceeding detection protection system - Google Patents
Reverse osmosis water quality standard exceeding detection protection system Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/086—Investigating permeability, pore-volume, or surface area of porous materials of films, membranes or pellicules
Abstract
The invention discloses a reverse osmosis water quality standard exceeding detection protection system, which comprises reverse osmosis equipment and a controller; the controller comprises a processor, a raw water analysis module, a purified water analysis module, an equipment detection module, a driving control module, a remote scheduling module, a data storage module and an early warning display module; the invention is provided with the purified water analysis module, the purified water analysis module is used for detecting and analyzing various indexes of the purified water from the aspect of purified water, different processing schemes are set according to different analysis results, detection data are various, corresponding measures are abundant, and the overproof condition of the purified water of the reverse osmosis equipment can be accurately detected; the raw water analysis module is arranged, so that the investigation process is simplified, and the reason that the purified water does not reach the standard can be found out more quickly and accurately; the device detection module is arranged for detecting the performance of the reverse osmosis device, so that the influence of the reverse osmosis device can be eliminated, and the standard reaching rate of purified water can be improved.
Description
Technical Field
The invention belongs to the technical field of water treatment, and particularly relates to a reverse osmosis water quality standard exceeding detection protection system.
Background
Reverse osmosis membrane technology is adopted in reverse osmosis water equipment. The reverse osmosis membrane technology has the working principle that a certain pressure is applied to raw water, so that water molecules and ionic mineral elements pass through the reverse osmosis membrane, and most of inorganic salts (including heavy metals), organic matters, bacteria, viruses and the like dissolved in the water cannot penetrate through the reverse osmosis membrane, so that purified water and concentrated water are separated.
The publication No. CN105572182A provides a reverse osmosis water quality standard exceeding detection protection system, which comprises a conductivity meter probe, a conductivity meter, a control module and a reverse osmosis host, and is characterized in that: the conductivity probe is connected with a conductivity meter, the conductivity meter is connected with a control module, and the control module is connected with the reverse osmosis host. The quality of the produced water of the reverse osmosis host is detected through the conductivity probe, the detected data is transmitted to the conductivity meter to be displayed, the conductivity meter transmits the data to the control module to be recorded and checked, and when the quality of the produced water of the reverse osmosis water exceeds the specified water quality standard, the reverse osmosis host receives a shutdown command of the control module to perform shutdown protection.
The scheme can complete the detection of the quality exceeding of the reverse osmosis produced water to a certain extent, but the scheme has a single target of the quality exceeding of the water and can not judge the fault reason of the reverse osmosis equipment according to the detection result of the quality of the produced water, so that further improvement is still needed.
Disclosure of Invention
In order to solve the problems existing in the scheme, the invention provides a reverse osmosis water quality standard exceeding detection protection system.
The purpose of the invention can be realized by the following technical scheme: a reverse osmosis water quality standard exceeding detection protection system comprises a reverse osmosis device and a controller;
the controller comprises a processor, a raw water analysis module, a purified water analysis module, an equipment detection module, a driving control module, a data storage module and an early warning display module;
the water quality index that the water purification analysis module is used for detecting reverse osmosis unit water purification, the water purification is the output water that the raw water obtained after reverse osmosis unit handles, the water quality index includes sense organ index, physicochemical index and health index, and concrete detection step is:
z1: obtaining the output speed and the pH value of purified water of reverse osmosis equipment, and respectively marking the output speed and the pH value of the purified water as CS and PH;
z2: obtaining a chromatic value, a turbidity value and an odor intensity of the purified water, and respectively marking the chromatic value, the turbidity value and the odor intensity of the purified water as SD, ZD and CQ; by the formula
Acquiring sensory index coefficients GZ of purified water, wherein alpha 1, alpha 2, alpha 3 and alpha 4 are preset proportionality coefficients, alpha 1+ alpha 2+ alpha 3 is 1, and alpha 4 is more than or equal to 0 and less than or equal to 0.1;
z3: acquiring the conductivity and potassium permanganate consumption of the purified water, and respectively marking the conductivity and the potassium permanganate consumption as DD and GS; by the formula
Acquiring a physicochemical index coefficient LZ of the purified water, wherein beta 1 and beta 2 are preset proportionality coefficients, and beta 1>β2；
Z4: obtaining the microorganism content, the metal content, the organic matter content and the mineral content of the purified water, respectively marking the microorganism content, the metal content, the organic matter content and the mineral content as WS, JS, YW and KW, and obtaining the purified water by a formula
Acquiring a sanitary index coefficient WZ of the purified water, wherein gamma 1, gamma 2, gamma 3 and gamma 4 are preset proportionality coefficients, and gamma 1 is not less than gamma 3<γ2≤γ4；
Z5: the data collected by the water purification analysis module are analyzed, and the specific analysis steps are as follows:
ZZ 1: acquiring a detection index coefficient JZ of the purified water by a formula JZ (1 XGZ multiplied by LZ multiplied by WZ + 2), wherein 1 and 2 are preset proportionality coefficients;
ZZ 2: when the output speed CS is less than L1 and the detection index coefficient JZ is greater than L2, the reverse osmosis equipment is judged to be in fault, an equipment detection instruction is sent to an equipment detection module through the processor, and a shutdown protection instruction is sent to the drive control module; wherein L1 is a preset output speed threshold, and L2 is a preset detection index coefficient threshold;
ZZ 3: when the PH is greater than L3 and the detection index coefficient JZ is greater than L2, judging that the raw water is unqualified, sending a raw water analysis instruction to a raw water analysis module through the processor, and sending a shutdown protection instruction to the drive control module; wherein L3 is the clear water preset pH threshold, L1, L2 and L3 are all obtained from the data storage module through the processor;
z6: sending a water purification disqualification instruction to an early warning display module through a processor;
z7: sending the obtained water quality index data, sensory index coefficients, physicochemical index coefficients, health index coefficients, equipment detection instruction sending records, shutdown protection instruction sending records, water purification disqualification instruction sending records and raw water analysis instruction sending records to a data storage module through a processor;
the raw water analysis module is used for acquiring and analyzing water quality data of raw water, wherein the water quality data comprise a water temperature value, a pH value, a residual chlorine value, an SDI value and a turbidity value, the SID value is a sludge density index value, and the specific acquisition and analysis steps are as follows:
x1: acquiring water quality data of raw water, and respectively marking a water temperature value, a pH value, a residual chlorine value, an SDI value and a turbidity value as SW, PH, YL, SDI and HZ;
x2: by the formula
Obtaining a raw water regulation coefficient YT; by the formula
Acquiring an auxiliary adjusting coefficient FZ, wherein 1, 2, 3 and 4 are preset proportionality coefficients, and 1+2+3 is 1.905;
x3: when the raw water regulation coefficient YT > L4, sending a raw water quality regulation instruction to the driving control module through the processor, wherein L4 is a preset raw water regulation coefficient threshold value; when the raw water regulation coefficient YT > L4 and the auxiliary regulation coefficient FZ > L5, sending a raw water quality disqualification instruction to an early warning display module through the processor;
x4: and sending the water quality data, the raw water regulating coefficient, the auxiliary regulating coefficient, the raw water quality regulating instruction sending record and the raw water quality disqualification instruction sending record to the data storage module for storage through the processor.
Preferably, the equipment detection module is used for detecting the performance of the reverse osmosis equipment, the equipment detection module comprises an active detection mode and a passive detection mode, and the specific acquisition steps are as follows:
c1: when equipment detection module received equipment detection instruction, equipment detection module switches to passive detection mode to detect reverse osmosis equipment, concrete detection step is:
CC 1: putting reverse osmosis equipment into operation, adjusting the temperature of a test environment to be more than 5 ℃, starting a pressure pump and slowly increasing the water pressure, keeping for 1 minute when the water pressure reaches a preset pressure threshold value, then continuously increasing the pressure to a preset test pressure value, keeping for 30 minutes under the preset test pressure value, finally reducing the water pressure to a preset working pressure value, checking the reverse osmosis equipment, marking a pressure detection result as YJ, wherein the value of the pressure detection result YJ is 0 or 1, wherein 1 represents that no equipment element deformation or welding seam leakage condition occurs in the reverse osmosis equipment during the pressure test, and 0 represents that the equipment element deformation or welding seam leakage condition occurs in the reverse osmosis equipment during the pressure test;
CC 2: putting the reverse osmosis equipment into operation, adjusting an adjusting valve of the reverse osmosis equipment, obtaining the desalination rate by detecting soluble solids in raw water and purified water when the pressure and the purified water flow respectively reach a preset pressure design threshold value and a preset purified water flow threshold value, marking a desalination rate test result as TY, and setting the value of the desalination rate test result TY as 0 or 1, wherein 0 represents that the desalination rate of the reverse osmosis equipment is smaller than the preset desalination rate threshold value, and 1 represents that the desalination rate of the reverse osmosis equipment is larger than or equal to the preset desalination rate threshold value;
CC 3: putting the reverse osmosis equipment into operation, adjusting an adjusting valve of the reverse osmosis equipment, detecting the flow of raw water, purified water and concentrated water of the reverse osmosis equipment when the pressure, the flow of purified water and the desalination rate reach preset threshold values, calculating the recovery rate of the reverse osmosis equipment, marking the detection result of the recovery rate as HS, and setting the value of the detection result of the recovery rate HS to be 0 or 1, wherein 0 represents that the recovery rate of the reverse osmosis equipment is less than the preset threshold value of the recovery rate, and 1 represents that the recovery rate of the reverse osmosis equipment is more than or equal to the preset threshold value;
CC 4: acquiring an equipment detection coefficient SJ by a formula SJ-YJ × TY × HS, and sending an equipment fault instruction to an early warning display module through a processor when the equipment detection coefficient SJ is 0; when the equipment detection coefficient SJ is 1, sending an equipment normal instruction to an early warning display module through a processor;
CC 5: sending the pressure detection result, the desalination rate test result and the recovery rate detection result to an early warning display module through a processor, and displaying the pressure detection result, the desalination rate test result and the recovery rate detection result by a fault display unit;
c2: when the equipment detection module does not receive the equipment detection instruction, the equipment detection module is in an active detection mode, the steps of CC1-CC4 are repeated periodically, when the equipment detection coefficient SJ is 0, the processor sends an equipment fault instruction to the early warning display module, and simultaneously sends a pressure detection result, a desalination rate test result and a recovery rate detection result to the early warning display module; otherwise, the device detection module does not send any instruction.
Preferably, the early warning display module is used for displaying detection data in real time, the early warning display module comprises a display unit and a buzzer, the detection data comprises water quality indexes of purified water and water quality data of raw water, and early warning is performed according to a received instruction; when a water purification disqualification instruction is received, the display unit is set to flash red, and the buzzer gives an alarm; when an unqualified raw water instruction is received, the display unit is set to flicker orange, and the buzzer gives an alarm; when an equipment fault instruction is received, the display unit is set to be red, and the buzzer gives an alarm.
Preferably, after the driving control module receives the shutdown protection instruction, the reverse osmosis equipment is controlled to perform shutdown protection; and when the drive control module receives a raw water quality adjusting instruction, the drive control module adjusts the water temperature value, the pH value and the residual chlorine value in the raw water until the raw water adjusting coefficient YT is less than or equal to L4.
Preferably, the sensory indexes comprise a chromatic value, a turbidity value and an odor intensity of the purified water, the physical and chemical indexes comprise the conductivity and the potassium permanganate consumption of the purified water, and the health indexes comprise the microorganism content, the metal content, the organic matter content and the mineral matter content of the purified water.
Preferably, the potassium permanganate consumption represents the content of soluble organic matters; by titrating the potassium permanganate solution into the purified water, organic small molecules in the purified water are completely oxidized, and the potassium permanganate consumed in the process is the potassium permanganate consumption.
Preferably, the reverse osmosis equipment comprises a first preposed filter element, a second preposed filter element, a third preposed filter element, a booster pump, a water storage tank, a reverse osmosis membrane, a regulating valve, a mineralization processor and a water faucet; the first front filter element is a PPF filter element, the aperture of the PPF filter element is 5um, and the PPF filter element can effectively remove iron rust, sand, colloid and other magazines with the diameter larger than 5 um; the second preposed filter element is a granular activated carbon filter element which can effectively adsorb chemical agents such as residual chlorine, pesticides and the like in water; the third preposed filter element is a precise activated carbon filter element which can effectively remove bacteria, toxins and heavy metals; the aperture of the reverse osmosis membrane is 0.00001um, and the reverse osmosis membrane can effectively remove harmful ions in water and can remove all bacteria and viruses; the mineralization processor is used for inhibiting regeneration of bacteria and adding minerals.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with a purified water analysis module, which is used for detecting the water quality index of the purified water of the reverse osmosis equipment, acquiring the output speed, the pH value and the water quality index of the purified water of the reverse osmosis equipment, respectively acquiring a sensory index coefficient, a physicochemical index coefficient and a sanitation index coefficient through a formula, analyzing the data and the coefficients, and sending an instruction to a corresponding processing module; the device starts from water purification, detects and analyzes various indexes of the water purification, sets different processing schemes according to different analysis results, has various detection data and abundant corresponding measures, and can accurately detect the overproof condition of the water purification of the reverse osmosis equipment;
2. the invention is provided with a raw water analysis module which is used for acquiring and analyzing water quality data of raw water, firstly acquiring the water quality data of the raw water, acquiring a raw water regulation coefficient and an auxiliary regulation coefficient through a formula, carrying out combined analysis on the raw water regulation coefficient and the auxiliary regulation coefficient, and sending an instruction to a corresponding module according to an analysis result; the device analyzes the water quality data of the raw water from the raw water of the reverse osmosis equipment, simplifies the investigation process if the purified water does not reach the standard due to the water quality problem of the raw water, and can more quickly and accurately find out the reason why the purified water does not reach the standard;
3. the equipment detection module is arranged and divided into an active detection mode and a passive detection mode, the equipment detection module is automatically switched into the passive detection mode to detect the reverse osmosis equipment after receiving an equipment detection instruction, and when the equipment detection module does not receive the equipment detection instruction, the equipment detection module is in the active detection mode and periodically detects the reverse osmosis equipment; this setting carries out the performance detection to reverse osmosis equipment, can get rid of the influence of reverse osmosis equipment itself, helps improving the water purification standard reaching rate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of the principle of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a reverse osmosis water quality exceeding detection protection system comprises a reverse osmosis device and a controller;
the controller comprises a processor, a raw water analysis module, a purified water analysis module, an equipment detection module, a driving control module, a remote scheduling module, a data storage module and an early warning display module;
the water quality index that the water purification analysis module is used for detecting reverse osmosis unit water purification, and the water purification is the output water that the raw water obtained after reverse osmosis unit handles, and the water quality index includes sense organ index, physicochemical index and health index, and concrete detection step is:
z1: obtaining the output speed and the pH value of purified water of reverse osmosis equipment, and respectively marking the output speed and the pH value of the purified water as CS and PH;
z2: obtaining a chromatic value, a turbidity value and an odor intensity of the purified water, and respectively marking the chromatic value, the turbidity value and the odor intensity of the purified water as SD, ZD and CQ; by the formula
Acquiring sensory index coefficients GZ of purified water, wherein alpha 1, alpha 2, alpha 3 and alpha 4 are preset proportionality coefficients, alpha 1+ alpha 2+ alpha 3 is 1, and alpha 4 is more than or equal to 0 and less than or equal to 0.1;
z3: acquiring the conductivity and potassium permanganate consumption of the purified water, and respectively marking the conductivity and the potassium permanganate consumption as DD and GS; by the formula
Acquiring a physicochemical index coefficient LZ of the purified water, wherein beta 1 and beta 2 are preset proportionality coefficients, and beta 1>β2；
Z4: obtaining the microbial content and gold of the purified waterThe genus content, the organic matter content and the mineral content are respectively marked as WS, JS, YW and KW through formulas
Acquiring a sanitary index coefficient WZ of the purified water, wherein gamma 1, gamma 2, gamma 3 and gamma 4 are preset proportionality coefficients, and gamma 1 is not less than gamma 3<γ2≤γ4；
Z5: the data collected by the water purification analysis module are analyzed, and the specific analysis steps are as follows:
ZZ 1: acquiring a detection index coefficient JZ of the purified water by a formula JZ (1 XGZ multiplied by LZ multiplied by WZ + 2), wherein 1 and 2 are preset proportionality coefficients;
ZZ 2: when the output speed CS is less than L1 and the detection index coefficient JZ is greater than L2, the reverse osmosis equipment is judged to be in fault, an equipment detection instruction is sent to an equipment detection module through the processor, and a shutdown protection instruction is sent to the drive control module; wherein L1 is a preset output speed threshold, and L2 is a preset detection index coefficient threshold;
ZZ 3: when the PH is greater than L3 and the detection index coefficient JZ is greater than L2, judging that the raw water is unqualified, sending a raw water analysis instruction to a raw water analysis module through the processor, and sending a shutdown protection instruction to the drive control module; wherein L3 is the clear water preset pH threshold, L1, L2 and L3 are all obtained from the data storage module through the processor;
z6: sending a water purification disqualification instruction to an early warning display module through a processor;
z7: sending the obtained water quality index data, sensory index coefficients, physicochemical index coefficients, health index coefficients, equipment detection instruction sending records, shutdown protection instruction sending records, water purification disqualification instruction sending records and raw water analysis instruction sending records to a data storage module through a processor;
the raw water analysis module is used for acquiring and analyzing water quality data of raw water, wherein the water quality data comprises a water temperature value, a pH value, a residual chlorine value, an SDI value and a turbidity value, the SID value is a sludge density index value, and the specific acquisition and analysis steps are as follows:
x1: acquiring water quality data of raw water, and respectively marking a water temperature value, a pH value, a residual chlorine value, an SDI value and a turbidity value as SW, PH, YL, SDI and HZ;
x2: by the formula
Obtaining a raw water regulation coefficient YT; by the formula
Acquiring an auxiliary adjusting coefficient FZ, wherein 1, 2, 3 and 4 are preset proportionality coefficients, and 1+2+3 is 1.905;
x3: when the raw water regulation coefficient YT > L4, sending a raw water quality regulation instruction to the driving control module through the processor, wherein L4 is a preset raw water regulation coefficient threshold value; when the raw water regulation coefficient YT > L4 and the auxiliary regulation coefficient FZ > L5, sending a raw water quality disqualification instruction to an early warning display module through the processor;
x4: and sending the water quality data, the raw water regulating coefficient, the auxiliary regulating coefficient, the raw water quality regulating instruction sending record and the raw water quality disqualification instruction sending record to the data storage module for storage through the processor.
The equipment detection module is used for carrying out performance detection on reverse osmosis equipment, comprises an active detection mode and a passive detection mode, and specifically comprises the following steps:
c1: when equipment detection module received equipment detection instruction, equipment detection module switches to passive detection mode to detect reverse osmosis equipment, concrete detection step is:
CC 1: putting reverse osmosis equipment into operation, adjusting the temperature of a test environment to be more than 5 ℃, starting a pressure pump and slowly increasing the water pressure, keeping for 1 minute when the water pressure reaches a preset pressure threshold value, then continuously increasing the pressure to a preset test pressure value, keeping for 30 minutes under the preset test pressure value, finally reducing the water pressure to a preset working pressure value, checking the reverse osmosis equipment, marking a pressure detection result as YJ, wherein the value of the pressure detection result YJ is 0 or 1, wherein 1 represents that no equipment element deformation or welding seam leakage condition occurs in the reverse osmosis equipment during the pressure test, and 0 represents that the equipment element deformation or welding seam leakage condition occurs in the reverse osmosis equipment during the pressure test;
CC 2: putting the reverse osmosis equipment into operation, adjusting an adjusting valve of the reverse osmosis equipment, obtaining the desalination rate by detecting soluble solids in raw water and purified water when the pressure and the purified water flow respectively reach a preset pressure design threshold value and a preset purified water flow threshold value, marking a desalination rate test result as TY, and setting the value of the desalination rate test result TY as 0 or 1, wherein 0 represents that the desalination rate of the reverse osmosis equipment is smaller than the preset desalination rate threshold value, and 1 represents that the desalination rate of the reverse osmosis equipment is larger than or equal to the preset desalination rate threshold value;
CC 3: putting the reverse osmosis equipment into operation, adjusting an adjusting valve of the reverse osmosis equipment, detecting the flow of raw water, purified water and concentrated water of the reverse osmosis equipment when the pressure, the flow of purified water and the desalination rate reach preset threshold values, calculating the recovery rate of the reverse osmosis equipment, marking the detection result of the recovery rate as HS, and setting the value of the detection result of the recovery rate HS to be 0 or 1, wherein 0 represents that the recovery rate of the reverse osmosis equipment is less than the preset threshold value of the recovery rate, and 1 represents that the recovery rate of the reverse osmosis equipment is more than or equal to the preset threshold value;
CC 4: acquiring an equipment detection coefficient SJ by a formula SJ-YJ × TY × HS, and sending an equipment fault instruction to an early warning display module through a processor when the equipment detection coefficient SJ is 0; when the equipment detection coefficient SJ is 1, sending an equipment normal instruction to an early warning display module through a processor;
CC 5: sending the pressure detection result, the desalination rate test result and the recovery rate detection result to an early warning display module through a processor, and displaying the pressure detection result, the desalination rate test result and the recovery rate detection result by a fault display unit;
c2: when the equipment detection module does not receive the equipment detection instruction, the equipment detection module is in an active detection mode, the steps of CC1-CC4 are repeated periodically, when the equipment detection coefficient SJ is 0, the processor sends an equipment fault instruction to the early warning display module, and simultaneously sends a pressure detection result, a desalination rate test result and a recovery rate detection result to the early warning display module; otherwise, the device detection module does not send any instruction.
The early warning display module is used for displaying detection data in real time, comprises a display unit and a buzzer, and performs early warning according to a received instruction, wherein the detection data comprises a water quality index of purified water and water quality data of raw water; when a water purification disqualification instruction is received, the display unit is set to flash red, and the buzzer gives an alarm; when an unqualified raw water instruction is received, the display unit is set to flicker orange, and the buzzer gives an alarm; when an equipment fault instruction is received, the display unit is set to be red, and the buzzer gives an alarm.
After the driving control module receives the shutdown protection instruction, the reverse osmosis equipment is controlled to perform shutdown protection; when the drive control module receives a raw water quality adjusting instruction, the drive control module adjusts the water temperature value, the pH value and the residual chlorine value in the raw water until the raw water adjusting coefficient YT is less than or equal to L4.
The sensory indexes comprise the colorimetric value, turbidity value and odor intensity of the purified water, the physical and chemical indexes comprise the conductivity and potassium permanganate consumption of the purified water, and the health indexes comprise the microorganism content, metal content, organic matter content and mineral content of the purified water.
Potassium permanganate consumption represents the content of soluble organic matters; by titrating the potassium permanganate solution into the purified water, organic small molecules in the purified water are completely oxidized, and the potassium permanganate consumed in the process is the potassium permanganate consumption.
The reverse osmosis equipment comprises a first preposed filter element, a second preposed filter element, a third preposed filter element, a booster pump, a water storage tank, a reverse osmosis membrane, a regulating valve, a mineralization processor and a water faucet; the first preposed filter element is a PPF filter element, the aperture of the PPF filter element is 5um, and the PPF filter element can effectively remove iron rust, sand and stones, colloids and other magazines with the diameter larger than 5 um; the second preposed filter element is a granular activated carbon filter element which can effectively adsorb chemical agents such as residual chlorine, pesticides and the like in water; the third preposed filter element is a precise activated carbon filter element which can effectively remove bacteria, toxins and heavy metals; the aperture of the reverse osmosis membrane is 0.00001um, and the reverse osmosis membrane can effectively remove harmful ions in water and can remove all bacteria and viruses; the mineralization processor is used for inhibiting regeneration of bacteria and adding minerals.
The remote scheduling module is used for scheduling workers to maintain the reverse osmosis equipment, and comprises the following specific steps:
v1: detecting the water outlet side of the first preposed filter element, and sending a first preposed filter element maintenance instruction to the remote dispatching module if particles with the diameter larger than 5um are contained in the water at the water outlet side of the first preposed filter element; detecting the water outlet side of the second preposed filter element, and if the water at the water outlet side of the second preposed filter element contains chemical agents such as residual chlorine, pesticides and the like, sending a second preposed filter element maintenance instruction to the remote scheduling module; detecting the water outlet side of the third preposed filter element, and if the water at the water outlet side of the third preposed filter element contains heavy metals, sending a third preposed filter element overhaul instruction to the remote dispatching module;
v2: detecting the water outlet side of the reverse osmosis membrane, and if bacteria and toxins still exist in the water at the water outlet side of the reverse osmosis membrane, sending a reverse osmosis membrane replacement instruction to a remote scheduling module; detecting the air tightness of the water storage tank, and sending a water storage tank replacement instruction to the remote scheduling module if the air tightness of the water storage tank is unqualified;
v3: when the remote scheduling module receives any one of a first preposed filter element overhauling instruction, a second preposed filter element overhauling instruction and a third preposed filter element overhauling instruction, screening and scheduling maintenance personnel according to keywords, wherein the keywords are 'filter element maintenance', and the specific screening and scheduling steps are as follows:
VV 1: acquiring maintenance personnel information from the data storage module through keywords, wherein the maintenance personnel information comprises names, telephones, average maintenance success rate and average maintenance time;
VV 2: sorting the information of maintenance personnel according to the average maintenance success rate, and selecting the information with the shortest average maintenance time in the first three ranked average maintenance success rates as a screening result;
VV 3: the keywords are sent to an intelligent terminal of a maintenance worker through a remote scheduling module, and the intelligent terminal comprises an intelligent mobile phone, a tablet personal computer and a notebook computer;
v4: when the remote scheduling module receives a reverse osmosis membrane replacement instruction, screening and scheduling maintenance personnel according to keywords, wherein the keywords are reverse osmosis membrane replacement, and completing screening and scheduling of the reverse osmosis membrane replacement maintenance personnel according to the steps of VV1-VV 3;
v5: when the remote scheduling module receives a water storage tank replacement instruction, the remote scheduling module performs screening scheduling on maintenance personnel according to keywords, wherein the keywords are 'water storage tank replacement', and the screening scheduling of the water storage tank replacement maintenance personnel is completed according to the steps VV1-VV 3.
The above formulas are all quantitative calculation, the formula is a formula obtained by acquiring a large amount of data and performing software simulation to obtain the latest real situation, and the preset parameters in the formula are set by the technical personnel in the field according to the actual situation.
The working principle of the invention is as follows:
the water purification analysis module is used for detecting the water quality index of the purified water of the reverse osmosis equipment, acquiring the output speed and the pH value of the purified water of the reverse osmosis equipment, acquiring the chromatic value, turbidity value and odor intensity of the purified water, and acquiring the sensory index coefficient of the purified water through a formula; acquiring the conductivity and potassium permanganate consumption of the purified water, and acquiring a physicochemical index coefficient of the purified water through a formula; acquiring the microorganism content, the metal content, the organic matter content and the mineral content of the purified water, and acquiring the sanitation index coefficient of the purified water through a formula; analyzing the data acquired by the water purification analysis module, and sending a corresponding instruction to a corresponding processing module according to an analysis result;
the raw water analysis module is used for acquiring and analyzing water quality data of raw water, acquiring water quality data of the raw water, and acquiring a raw water regulation coefficient YT through a formula; obtaining an auxiliary adjusting coefficient FZ through a formula; when the raw water regulating coefficient YT > L4, sending a raw water quality regulating instruction to the driving control module through the processor; when the raw water regulation coefficient YT > L4 and the auxiliary regulation coefficient FZ > L5, sending a raw water quality disqualification instruction to an early warning display module through the processor;
the equipment detection module is divided into an active detection mode and a passive detection mode, the equipment detection module comprises the active detection mode and the passive detection mode, when the equipment detection module receives an equipment detection instruction, the equipment detection module is switched to the passive detection mode, detects and analyzes the reverse osmosis equipment, and sends the instruction to the corresponding processing module according to an analysis result; when the equipment detection module does not receive the equipment detection instruction, the equipment detection module is in an active detection mode, periodically performs detection analysis on the reverse osmosis equipment, and sends the instruction to the corresponding processing module according to an analysis result.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (6)
1. A reverse osmosis water quality standard exceeding detection protection system comprises reverse osmosis equipment and a controller, and is characterized in that the controller comprises a processor, a raw water analysis module, a purified water analysis module, an equipment detection module, a driving control module, a data storage module and an early warning display module;
the water quality index that the water purification analysis module is used for detecting reverse osmosis unit water purification, the water purification is the output water that the raw water obtained after reverse osmosis unit handles, the water quality index includes sense organ index, physicochemical index and health index, and concrete detection step is:
z1: obtaining the output speed and the pH value of purified water of reverse osmosis equipment, and respectively marking the output speed and the pH value of the purified water as CS and PH;
z2: obtaining a chromatic value, a turbidity value and an odor intensity of the purified water, and respectively marking the chromatic value, the turbidity value and the odor intensity of the purified water as SD, ZD and CQ; by the formula
Acquiring sensory index coefficients GZ of purified water, wherein alpha 1, alpha 2, alpha 3 and alpha 4 are preset proportionality coefficients, alpha 1+ alpha 2+ alpha 3 is 1, and alpha 4 is more than or equal to 0 and less than or equal to 0.1;
z3: acquiring the conductivity and potassium permanganate consumption of the purified water, and respectively marking the conductivity and the potassium permanganate consumption as DD and GS; by the formula
Acquiring a physicochemical index coefficient LZ of purified water, wherein beta 1 and beta 2 are preset proportionality coefficients, and beta 1 is more than beta 2;
z4: obtaining the microorganism content, the metal content, the organic matter content and the mineral content of the purified water, respectively marking the microorganism content, the metal content, the organic matter content and the mineral content as WS, JS, YW and KW, and obtaining the purified water by a formula
Acquiring a sanitary index coefficient WZ of purified water, wherein gamma 1, gamma 2, gamma 3 and gamma 4 are preset proportionality coefficients, and gamma 1 is more than or equal to gamma 3 and more than or equal to gamma 2 is more than or equal to gamma 4;
z5: the data collected by the water purification analysis module are analyzed, and the specific analysis steps are as follows:
ZZ 1: acquiring a detection index coefficient JZ of the purified water by a formula JZ (1 XGZ multiplied by LZ multiplied by WZ + 2), wherein 1 and 2 are preset proportionality coefficients;
ZZ 2: when the output speed CS is less than L1 and the detection index coefficient JZ is more than L2, judging the reverse osmosis equipment to be in fault, sending an equipment detection instruction to an equipment detection module through the processor, and simultaneously sending a shutdown protection instruction to the drive control module; wherein L1 is a preset output speed threshold, and L2 is a preset detection index coefficient threshold;
ZZ 3: when the PH is greater than L3 and the detection index coefficient JZ is greater than L2, judging that the raw water is unqualified, sending a raw water analysis instruction to a raw water analysis module through the processor, and sending a shutdown protection instruction to the drive control module; wherein L3 is the clear water preset pH threshold, L1, L2 and L3 are all obtained from the data storage module through the processor;
z6: sending a water purification disqualification instruction to an early warning display module through a processor;
z7: sending the obtained water quality index data, sensory index coefficients, physicochemical index coefficients, health index coefficients, equipment detection instruction sending records, shutdown protection instruction sending records, water purification disqualification instruction sending records and raw water analysis instruction sending records to a data storage module through a processor;
the raw water analysis module is used for acquiring and analyzing water quality data of raw water, wherein the water quality data comprise a water temperature value, a pH value, a residual chlorine value, an SDI value and a turbidity value, the SID value is a sludge density index value, and the specific acquisition and analysis steps are as follows:
x1: acquiring water quality data of raw water, and respectively marking a water temperature value, a pH value, a residual chlorine value, an SDI value and a turbidity value as SW, PH, YL, SDI and HZ;
x2: by the formula
Obtaining a raw water regulation coefficient YT; by the formula
Acquiring an auxiliary adjusting coefficient FZ, wherein 1, 2, 3 and 4 are preset proportionality coefficients, and 1+2+3 is 1.905;
x3: when the raw water regulation coefficient YT is larger than L4, sending a raw water quality regulation instruction to the driving control module through the processor, wherein L4 is a preset raw water regulation coefficient threshold value; when the raw water regulation coefficient YT is larger than L4 and the auxiliary regulation coefficient FZ is larger than L5, a raw water quality disqualification instruction is sent to the early warning display module through the processor;
x4: and sending the water quality data, the raw water regulating coefficient, the auxiliary regulating coefficient, the raw water quality regulating instruction sending record and the raw water quality disqualification instruction sending record to the data storage module for storage through the processor.
2. The reverse osmosis water quality overproof detection protection system according to claim 1, wherein the equipment detection module is used for performing performance detection on reverse osmosis equipment, the equipment detection module comprises an active detection mode and a passive detection mode, and the specific acquisition steps are as follows:
c1: when equipment detection module received equipment detection instruction, equipment detection module switches to passive detection mode to detect reverse osmosis equipment, concrete detection step is:
CC 1: putting reverse osmosis equipment into operation, adjusting the temperature of a test environment to be more than 5 ℃, starting a pressure pump and slowly increasing the water pressure, keeping for 1 minute when the water pressure reaches a preset pressure threshold value, then continuously increasing the pressure to a preset test pressure value, keeping for 30 minutes under the preset test pressure value, finally reducing the water pressure to a preset working pressure value, checking the reverse osmosis equipment, marking a pressure detection result as YJ, wherein the value of the pressure detection result YJ is 0 or 1, wherein 1 represents that no equipment element deformation or welding seam leakage condition occurs in the reverse osmosis equipment during the pressure test, and 0 represents that the equipment element deformation or welding seam leakage condition occurs in the reverse osmosis equipment during the pressure test;
CC 2: putting the reverse osmosis equipment into operation, adjusting an adjusting valve of the reverse osmosis equipment, obtaining the desalination rate by detecting soluble solids in raw water and purified water when the pressure and the purified water flow respectively reach a preset pressure design threshold value and a preset purified water flow threshold value, marking a desalination rate test result as TY, and setting the value of the desalination rate test result TY as 0 or 1, wherein 0 represents that the desalination rate of the reverse osmosis equipment is smaller than the preset desalination rate threshold value, and 1 represents that the desalination rate of the reverse osmosis equipment is larger than or equal to the preset desalination rate threshold value;
CC 3: putting the reverse osmosis equipment into operation, adjusting an adjusting valve of the reverse osmosis equipment, detecting the flow of raw water, purified water and concentrated water of the reverse osmosis equipment when the pressure, the flow of purified water and the desalination rate reach preset threshold values, calculating the recovery rate of the reverse osmosis equipment, marking the detection result of the recovery rate as HS, and setting the value of the detection result of the recovery rate HS to be 0 or 1, wherein 0 represents that the recovery rate of the reverse osmosis equipment is less than the preset threshold value of the recovery rate, and 1 represents that the recovery rate of the reverse osmosis equipment is more than or equal to the preset threshold value;
CC 4: acquiring an equipment detection coefficient SJ by a formula SJ-YJ × TY × HS, and sending an equipment fault instruction to an early warning display module through a processor when the equipment detection coefficient SJ is 0; when the equipment detection coefficient SJ is 1, sending an equipment normal instruction to an early warning display module through a processor;
CC 5: sending the pressure detection result, the desalination rate test result and the recovery rate detection result to an early warning display module through a processor, and displaying the pressure detection result, the desalination rate test result and the recovery rate detection result by a fault display unit;
c2: when the equipment detection module does not receive the equipment detection instruction, the equipment detection module is in an active detection mode, the steps of CC1-CC4 are repeated periodically, when the equipment detection coefficient SJ is 0, the processor sends an equipment fault instruction to the early warning display module, and simultaneously sends a pressure detection result, a desalination rate test result and a recovery rate detection result to the early warning display module; otherwise, the device detection module does not send any instruction.
3. The reverse osmosis water quality overproof detection protection system according to claim 1, wherein the early warning display module is used for displaying detection data in real time, the early warning display module comprises a display unit and a buzzer, the detection data comprises water quality indexes of purified water and water quality data of raw water, and early warning is performed according to a received instruction; when a water purification disqualification instruction is received, the display unit is set to flash red, and the buzzer gives an alarm; when an unqualified raw water instruction is received, the display unit is set to flicker orange, and the buzzer gives an alarm; when an equipment fault instruction is received, the display unit is set to be red, and the buzzer gives an alarm.
4. The reverse osmosis water quality overproof detection protection system according to claim 1, wherein after receiving a shutdown protection instruction, the drive control module controls a reverse osmosis device to perform shutdown protection; and when the drive control module receives a raw water quality adjusting instruction, the drive control module adjusts the water temperature value, the pH value and the residual chlorine value in the raw water until the raw water adjusting coefficient YT is less than or equal to L4.
5. The reverse osmosis water quality overproof detection protection system according to claim 1, wherein the sensory indexes comprise colorimetric values, turbidity values and odor intensities of purified water, the physicochemical indexes comprise conductivity and potassium permanganate consumption of the purified water, and the health indexes comprise microorganism content, metal content, organic matter content and mineral content of the purified water.
6. A reverse osmosis water quality overproof detection protection system as claimed in claim 1 wherein the reverse osmosis equipment comprises a first pre-filter element, a second pre-filter element, a third pre-filter element, a booster pump, a water storage tank, a reverse osmosis membrane, a regulating valve, a mineralization processor and a faucet.
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