CN113880326A - Drinking water purification treatment system and method - Google Patents
Drinking water purification treatment system and method Download PDFInfo
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- CN113880326A CN113880326A CN202110898823.0A CN202110898823A CN113880326A CN 113880326 A CN113880326 A CN 113880326A CN 202110898823 A CN202110898823 A CN 202110898823A CN 113880326 A CN113880326 A CN 113880326A
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- 238000000746 purification Methods 0.000 title claims abstract description 61
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 30
- 239000003651 drinking water Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 531
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 111
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 110
- 150000002500 ions Chemical class 0.000 claims abstract description 107
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000001179 sorption measurement Methods 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 12
- 238000004659 sterilization and disinfection Methods 0.000 claims description 67
- 238000001514 detection method Methods 0.000 claims description 26
- 235000020679 tap water Nutrition 0.000 claims description 22
- 239000008399 tap water Substances 0.000 claims description 22
- 239000008213 purified water Substances 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 8
- -1 halide ions Chemical class 0.000 claims description 6
- 230000000249 desinfective effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 235000020680 filtered tap water Nutrition 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/36—Organic compounds containing halogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/44—Time
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Water Treatment By Sorption (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention relates to a drinking water purification treatment system which comprises a water inlet pipe, an ozone bin, a straight water pipe, a circulating water pipe, a first activated carbon adsorption unit, a water storage bin, a second activated carbon adsorption unit, a central control module and an ultrafiltration filtration unit, wherein the ultrafiltration filtration unit comprises a first water chamber and a second water chamber, a filter screen is arranged between the first water chamber and the second water chamber, a first pressure detector is arranged in the first water chamber, a second pressure detector is arranged in the second water chamber, and a pressure adjusting device is further arranged in the second water chamber. According to the invention, the pressure of the first water chamber and the pressure of the second water chamber are respectively detected by the first pressure detector and the second pressure detector, and the central control module adjusts the pressure of the second water chamber according to the pressure difference, so that the speed of water passing through the filter screen is adjusted, the sufficient adsorption of the filter screen on heavy metal ions is ensured, and the quality of the water after purification is ensured.
Description
Technical Field
The invention relates to the technical field of water purification, in particular to a drinking water purification treatment system and method.
Background
Developed countries such as the United states, Japan and European countries pay attention to the safety of drinking water, and various measures such as strengthening conventional treatment, implementing advanced treatment, strengthening pipe network reconstruction and management and the like are adopted to ensure the safety of the drinking water while continuously improving the water quality standard of the drinking water. At present, tap water in most developed countries can be directly drunk. Along with the improvement of the economic strength and the living standard of people in China, the public has higher and higher requirements on the quality and the safety of drinking water, and the more tired the public expects that tap water in China can be directly drunk, the more serious the public expects to be. However, tap water in China is often too high in heavy metal ions due to pollution problems and cannot be directly drunk.
Disclosure of Invention
Therefore, the invention provides a drinking water purification treatment system and method, which are used for solving the problem that in the prior art, tap water is polluted to cause excessive heavy metal ions in water, and the heavy metal ions cannot be directly treated.
In order to achieve the above object, the present invention provides a drinking water purifying treatment system, which comprises
The water inlet pipe is connected with an external tap water or domestic water pipeline;
the ultrafiltration unit is connected with the water inlet pipe and used for filtering tap water to remove halide ions and heavy metal ions in the tap water, and comprises a first water chamber and a second water chamber, a filter screen is arranged between the first water chamber and the second water chamber, a first pressure detector is arranged in the first water chamber, a second pressure detector is arranged in the second water chamber, and a pressure adjusting device is further arranged in the second water chamber;
the ozone bin is connected with the ultrafiltration filtering unit and is used for disinfecting filtered tap water, a third opening valve is arranged below the ozone bin, and a first water level meter is arranged in the ozone bin;
the straight water pipe is arranged between the ultrafiltration unit and the ozone bin, and a first electromagnetic valve is arranged on the straight water pipe;
one end of the circulating water pipe is connected with the straight water pipe, the other end of the circulating water pipe is connected with the first water chamber, a second electromagnetic valve is arranged on the circulating water pipe, and the opening degree of the second electromagnetic valve is adjustable;
the first active carbon adsorption unit is connected with the ozone bin and is used for adsorbing residual ozone ions in water;
the water storage bin is connected with the first activated carbon adsorption unit and used for storing purified water, an ultraviolet disinfection device is arranged above the water storage bin, and the water storage bin is also provided with a second water level meter;
one end of the second active carbon adsorption unit is connected with the water storage bin, and the other end of the second active carbon adsorption unit is connected with the household pipeline;
the central control module is respectively connected with the first pressure detector, the second pressure detector, the pressure adjusting device, the first electromagnetic valve, the second electromagnetic valve, the ultraviolet disinfection device, the first water level meter, the second water level meter, the ozone chamber and the third opening valve and is used for adjusting the working states of all the parts;
when the purification treatment system is used for water purification, the first pressure detector and the second pressure detector respectively detect the pressure of the first water chamber and the pressure of the second water chamber, and the central control module adjusts the pressure of the second water chamber according to the pressure difference;
and after the water to be purified is filtered for the first time, detecting the content of heavy metal ions in the water, determining whether the water quality reaches the standard according to the content of the heavy metal ions, selecting a water path, and performing secondary regulation on the pressure of the second water chamber according to the content of the heavy metal ions when the water needs to be filtered for the second time.
Further, when the purification treatment system is used for water purification, the water inlet pipe discharges tap water to the first water chamber, the first pressure detector detects the pressure P1 of the first water chamber and transmits the detection result to the central control module, the second pressure detector detects the pressure P2 of the second water chamber and transmits the detection result to the central control module, and the central control module calculates the pressure difference delta P between the first water chamber and the second water chamber, wherein the delta P = P1-P2;
a first preset water chamber pressure difference value Q1 and a second preset water chamber pressure difference value Q2 are arranged in the central control module, the central control module compares the pressure difference delta P with a first preset water chamber pressure difference value Q1 and a second preset water chamber pressure difference value Q2,
when the delta P is less than or equal to Q1, the central control module reduces the pressure value of the second water chamber through the pressure regulating device;
when the delta P is more than Q1 and less than or equal to Q2, the central control module does not adjust the pressure value of the second water chamber;
when the delta P is larger than Q2, the central control module increases the pressure value of the second water chamber through the pressure regulating device.
Further, when the central control module adjusts the pressure value of the second water chamber, the central control module adjusts the pressure value of the second water chamber to P2',
when delta P is less than or equal to Q1, P2' = P1-1.2Q 1;
when Δ P > Q2, P2' = P1-0.9Q 2.
Furthermore, a standard value Az of the content of heavy metal ions is arranged in the central control module, when tap water enters the second water chamber through the filter screen, the content A of the heavy metal ions in the water in the second water chamber is detected, the detection result is transmitted to the central control module, the central control module compares the detected content A of the heavy metal ions with the preset standard value Az of the content of the heavy metal ions,
when A is less than or equal to Az, the central control module judges that the quantity of heavy metal ions in water reaches the standard;
and when A is larger than Az, the central control module judges that the quantity of the heavy metal ions in the water does not reach the standard.
Further, when the central control module judges that the quantity of heavy metal ions in water reaches the standard, the central control module controls the first electromagnetic valve to be opened, and the filtered water flows to the ozone bin from the second water chamber;
when the central control module judges that the quantity of the heavy metal ions in the water does not reach the standard, the central control module controls the second electromagnetic valve to be opened, and the filtered water flows back to the first water chamber through the circulating water pipe.
The central control module is also internally provided with a heavy metal ion difference value judgment parameter Ap, when the central control module judges that the quantity of the heavy metal ions in the water does not reach the standard, the central control module calculates the difference value delta A between the heavy metal ion content A and the heavy metal ion content standard value Az, delta A = A-Az, the central control module compares the delta A with the heavy metal ion difference value judgment parameter Ap,
when the delta A is less than or equal to Ap, the central control module does not adjust the pressure of the second water chamber;
when the delta A is larger than the Ap, the central control module adjusts the pressure of the second water chamber to P2 ', P2 ' = bP2 '.
Further, after the water enters the second water chamber through the colation net again, the content A 'of the heavy metal ions in the water in the second water chamber is detected, the detection result is transmitted to the central control module, the central control module compares the detected content A' of the heavy metal ions with a preset standard value Az of the content of the heavy metal ions,
when A' is less than or equal to Az, the central control module judges that the quantity of heavy metal ions in water reaches the standard;
when A' is greater than Az, the central control module judges that the quantity of heavy metal ions in the water does not reach the standard;
when the central control module judges that the quantity of the heavy metal ions in the water does not reach the standard twice continuously, the central control module judges that the adsorption capacity of the filter screen is reduced, the filter screen is replaced, the central control module controls the second electromagnetic valve to be opened, and the filtered water flows back to the first water chamber through the circulating water pipe.
Furthermore, an ozone bin standard water level Cz is also arranged in the central control module, when water with the standard heavy metal ion quantity flows into the ozone bin, the first water level meter detects the water level C in the ozone bin and transmits a detection result to the central control module, the central control module compares the water level C in the ozone bin with the ozone bin standard water level Cz,
when C is less than Cz, the central control module controls the first electromagnetic valve to keep an opening state;
when C is larger than or equal to Cz, the central control module controls the first electromagnetic valve to be closed and opened, and simultaneously, the central control module controls the ozone bin to be started in a disinfection mode, and the ozone bin discharges ozone into water;
the central control module is internally provided with an ozone disinfection standard time length Tz, when the ozone is discharged into water from the ozone bin, the central control module starts a timing function, records the ozone disinfection time length T1 in real time and compares the T1 with the ozone disinfection standard time length Tz in real time,
when T1 is less than Tz, the central control module continues to time the ozone disinfection duration;
when T1 is more than or equal to Tz, the central control module stops timing the ozone disinfection time, the central control module controls the ozone bin to stop ozone disinfection and controls the third opening valve to be opened, and water after ozone disinfection is discharged from the ozone bin and flows into the water storage bin through the first active carbon adsorption unit.
Furthermore, a first preset water storage bin standard water level Hz is also arranged in the central control module, when the purified water flows into the water storage bin, the second water level meter detects the water level H1 in the water storage bin in real time and transmits the detection result to the central control module, the central control module compares the water level H1 in the water storage bin with the first preset water storage bin standard water level Hz,
when H1 < Hz, the central control module does not adjust other components of the purification treatment system;
when H1 is not less than Hz, the central control module controls the third opening valve to be closed, and meanwhile, the central control module adjusts the pressure in the second water chamber to Px, wherein Px =1.1P 1;
the central control module is also internally provided with a second preset water storage bin standard water level Hx, after the central control module regulates the pressure in the second water chamber to Px, the second water level meter detects the water level H2 in the water storage bin in real time and transmits the detection result to the central control module, the central control module compares the water level H2 in the water storage bin with the first preset water storage bin standard water level Hz,
when H2 is more than or equal to Hx, the central control module does not adjust other components of the purification treatment system;
when H2 < Hx, the pressure value of the second water chamber is adjusted to P2' by the central control module, and the central control module controls other components of the purification treatment system to continue to purify water.
Further, the central control module is also internally provided with an ultraviolet irradiation standard time length Tx and an irradiation interval standard time length Ty, when water exists in the water storage bin, the central control module starts the ultraviolet disinfection device to perform ultraviolet irradiation on the water in the water storage bin, simultaneously, the central control module starts irradiation timing, records the ultraviolet irradiation time length T2 in real time, compares the ultraviolet irradiation time length T2 with the ultraviolet irradiation standard time length Tx,
when T2 is less than Tx, the central control module continues to record the ultraviolet irradiation time;
when T2 is more than or equal to Tx, the central control module controls the ultraviolet disinfection device to stop ultraviolet irradiation;
when the central control module controls the ultraviolet disinfection device to stop ultraviolet irradiation, the central control module starts irradiation interval timing, records the ultraviolet irradiation interval duration T3 in real time, compares the ultraviolet irradiation interval duration T3 with the irradiation interval standard duration Ty,
when T3 is less than Ty, the central control module continues to record the duration of the ultraviolet irradiation interval;
and when the T3 is more than or equal to Ty, the central control module controls the ultraviolet disinfection device to start ultraviolet irradiation.
A drinking water purification treatment method of the drinking water purification treatment system comprises the steps of,
s1, discharging tap water to the first water chamber through the water inlet pipe;
s2, detecting the pressure at two sides of the filter screen, and adjusting the pressure of the second water chamber according to the pressure difference value;
s3, detecting the content of heavy metal ions in the filtered water, determining whether the water quality reaches the standard according to the content of the heavy metal ions, and selecting a waterway;
s4, performing ozone disinfection on the water with the water quality reaching the standard;
s5, adsorbing residual ozone in the water after ozone disinfection by using activated carbon;
s6, storing the water absorbed by the activated carbon and periodically irradiating the water by ultraviolet rays;
and S7, conveying the water to the application site through the service pipeline, and performing activated carbon adsorption again before entering the service pipeline.
Compared with the prior art, the water purification system has the advantages that when the water purification system is used for water purification, the first pressure detector and the second pressure detector respectively detect the pressure of the first water chamber and the pressure of the second water chamber, and the central control module adjusts the pressure of the second water chamber according to the pressure difference; the water pressure through detecting filter screen both sides hydroecium adjusts the pressure value of second hydroecium to adjust the speed of water through the filter screen, ensured that the filter screen adsorbs enough to heavy metal ion, thereby guaranteed the quality after the aqueous cleaning.
Furthermore, after the water to be purified is filtered for the first time, the content of heavy metal ions in the water is detected, whether the water quality reaches the standard is determined according to the content of the heavy metal ions, a water channel is selected, when the water needs to be filtered for the second time, secondary adjustment is carried out on the pressure of the second water chamber according to the content of the heavy metal ions, the standard value Az of the content of the heavy metal ions is set, the condition that the filter screen adsorbs the heavy metal ions sufficiently is further guaranteed, and therefore the quality of the water after being purified is guaranteed. When the quantity of the heavy metal ions in the water does not reach the standard, the water is controlled to flow back to the first water chamber, the water is filtered again, the filter screen is further ensured to sufficiently adsorb the heavy metal ions, and therefore the quality of the water after purification is ensured.
Particularly, a heavy metal ion difference value judgment parameter Ap is further arranged in the central control module, when the central control module judges that the quantity of the heavy metal ions in the water does not reach the standard, the central control module calculates a difference value delta A between the heavy metal ion content A and a heavy metal ion content standard value Az, the central control module compares the delta A with the heavy metal ion difference value judgment parameter Ap, and when the quantity of the heavy metal ions in the water is seriously out of tolerance, the pressure of the second water chamber is increased, so that the pressure difference between the first water chamber and the second water chamber is reduced, the permeation speed of water flowing through the filter screen is reduced, the sufficient adsorption of the filter screen on the heavy metal ions is ensured, and the quality of the water after purification is ensured.
Further, when the central control module continuously judges that the quantity of the heavy metal ions in the water does not reach the standard twice, the central control module judges that the adsorption capacity of the filter screen is reduced, the filter screen is replaced, the central control module controls the second electromagnetic valve to be opened, and the filtered water flows back to the first water chamber through the circulating water pipe. When the quantity of heavy metal ion in the aquatic appears in succession does not reach standard, judges that the heavy metal adsorption capacity of filter screen reduces, is not enough to carry out effectual absorption to heavy metal, right the filter screen is changed, later filters water again, has ensured that the filter screen adsorbs sufficiently to heavy metal ion to the quality after the aqueous cleaning has been guaranteed.
Further, still be provided with ozone storehouse standard water level Cz in the well accuse module, when the rivers that heavy metal ion quantity is up to standard flow in the ozone storehouse during, water level C in the first fluviograph detection ozone storehouse and with the testing result transmission extremely well accuse module, well accuse module compares water level C in with the ozone storehouse with ozone storehouse standard water level Cz, carries out ozone sterilization to water, effectively gets rid of the bacterium in the aquatic, has ensured the quality after the aqueous cleaning, through set up the water level detection meter in the ozone storehouse, has ensured the efficiency of disinfecting when ozone sterilization, prevents that the water level from crossing extravagant ozone too low and also prevents that the too high sterilization of water level is not thorough.
Particularly, the central control module is internally provided with an ozone disinfection standard time Tz, when ozone is discharged into water from the ozone cabin, the central control module starts a timing function, records the ozone disinfection time T1 in real time and compares the time T1 with the ozone disinfection standard time Tz in real time, and the ozone disinfection time is timed, so that the disinfection quality is guaranteed, and the ozone disinfection efficiency is guaranteed.
Particularly, a first preset water storage bin standard water level Hz is further arranged in the central control module, when purified water flows into the water storage bin, the second water level meter detects the water level H1 in the water storage bin in real time and transmits a detection result to the central control module, and the central control module compares the water level H1 in the water storage bin with the first preset water storage bin standard water level Hz; a second preset water storage bin standard water level Hx is further arranged in the central control module, after the central control module adjusts the pressure in the second water chamber to Px, the second water level meter detects the water level H2 in the water storage bin in real time and transmits the detection result to the central control module, and the central control module compares the water level H2 in the water storage bin with the first preset water storage bin standard water level Hz; the water level detector is arranged in the water storage bin, so that the water level in the water storage bin is prevented from being too high, the ultraviolet disinfection effect cannot be achieved, the pressure of the second water chamber is increased after the water level in the water storage bin reaches the standard, the water cannot permeate from the first water chamber into the second water chamber, the water purification process is suspended, and the water is prevented from being discharged everywhere after the water purification is finished, so that the water is prevented from being stored in a pipeline of a water purification system for too long time and deteriorating; further, when the water level in the water storage bin is reduced or the work of the water purification system is recovered again, the water supply amount of the water purification system is ensured, and insufficient water supply is prevented.
Further, an ultraviolet irradiation standard time duration Tx and an irradiation interval standard time duration Ty are further arranged in the central control module, when water exists in the water storage bin, the central control module starts the ultraviolet disinfection device to perform ultraviolet irradiation on the water in the water storage bin, meanwhile, the central control module starts irradiation timing, records the ultraviolet irradiation time duration T2 in real time, and compares the ultraviolet irradiation time duration T2 with the ultraviolet irradiation standard time duration Tx; when the central control module controls the ultraviolet disinfection device to stop ultraviolet irradiation, the central control module starts irradiation interval timing, records ultraviolet irradiation interval time length T3 in real time, and compares the ultraviolet irradiation interval time length T3 with irradiation interval standard time length Ty. When water exists in the water storage bin, ultraviolet irradiation is periodically carried out on the water, the bacteria propagation in the water is prevented, the treated purified water is polluted, and the quality of the purified water is further ensured.
Drawings
FIG. 1 is a schematic diagram of the construction of a drinking water purification treatment system according to the present invention;
FIG. 2 is a flow chart of the drinking water purification treatment method of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Fig. 1 is a schematic structural diagram of a drinking water purification treatment system according to the present invention. The invention discloses a drinking water purifying treatment system, which comprises,
a water inlet pipe 1 connected with an external tap water or domestic water pipeline;
an ultrafiltration filtering unit 2 connected to the water inlet pipe for filtering tap water to remove halide ions and heavy metal ions in the tap water, wherein the ultrafiltration filtering unit 2 includes a first water chamber 21 and a second water chamber 22, a filter screen 23 is disposed between the first water chamber 21 and the second water chamber 22, a first pressure detector is disposed in the first water chamber 21, a second pressure detector is disposed in the second water chamber 22, and a pressure adjusting device is further disposed in the second water chamber 22;
the ozone bin 3 is connected with the ultrafiltration filter unit 2 and is used for disinfecting filtered tap water, a third opening valve 32 is arranged below the ozone bin 3, and a first water level gauge 31 is arranged in the ozone bin 3;
the straight water pipe 4 is arranged between the ultrafiltration unit 2 and the ozone bin 3, and a first electromagnetic valve 41 is arranged on the straight water pipe 4;
one end of the circulating water pipe 5 is connected with the straight water pipe 4, the other end of the circulating water pipe is connected with the first water chamber 21, a second electromagnetic valve 51 is arranged on the circulating water pipe 5, and the opening degree of the second electromagnetic valve 51 is adjustable;
the first active carbon adsorption unit 6 is connected with the ozone bin 3 and is used for adsorbing residual ozone ions in water;
a water storage bin 7 connected with the first activated carbon adsorption unit 6 for storing purified water, wherein an ultraviolet disinfection device 71 is arranged above the water storage bin 7, and the water storage bin 7 is further provided with a second water level gauge 72;
one end of the second active carbon adsorption unit 8 is connected with the water storage bin 7, and the other end of the second active carbon adsorption unit is connected with the household pipeline 9;
and the central control module is respectively connected with the first pressure detector, the second pressure detector, the pressure regulating device, the first electromagnetic valve 41, the second electromagnetic valve 51, the ultraviolet disinfection device 71, the first water level gauge 31, the second water level gauge 72, the ozone chamber 3 and the third open-close valve 32, and is used for regulating the working states of all the parts.
Specifically, when the purification treatment system is used for water purification, the water inlet pipe discharges tap water to the first water chamber 21, the first pressure detector detects the pressure P1 of the first water chamber 21 and transmits the detection result to the central control module, the second pressure detector detects the pressure P2 of the second water chamber 22 and transmits the detection result to the central control module, and the central control module calculates the pressure difference Δ P between the first water chamber 21 and the second water chamber 22, wherein Δ P = P1-P2;
a first preset water chamber pressure difference value Q1 and a second preset water chamber pressure difference value Q2 are arranged in the central control module, the central control module compares the pressure difference delta P with a first preset water chamber pressure difference value Q1 and a second preset water chamber pressure difference value Q2,
when the delta P is less than or equal to Q1, the central control module reduces the pressure value of the second water chamber 22 through the pressure regulating device;
when the delta P is more than Q1 and less than or equal to Q2, the central control module does not adjust the pressure value of the second water chamber 22;
when the delta P is larger than Q2, the central control module increases the pressure value of the second water chamber 22 through the pressure regulating device;
when the central control module adjusts the pressure value of the second water chamber 22, the central control module adjusts the pressure value of the second water chamber 22 to P2',
when delta P is less than or equal to Q1, P2' = P1-1.2Q 1;
when Δ P > Q2, P2' = P1-0.9Q 2;
the pressure value of the second water chamber 22 is adjusted by detecting the water pressure of the water chambers on the two sides of the filter screen 23, so that the speed of water passing through the filter screen 23 is adjusted, the filter screen 23 is ensured to sufficiently adsorb heavy metal ions, and the quality of the water after purification is ensured.
Specifically, a standard value Az of the heavy metal ion content is set in the central control module, when tap water enters the second water chamber 22 through the filtering net, the heavy metal ion content A in the water in the second water chamber 22 is detected, and the detection result is transmitted to the central control module, the central control module compares the detected heavy metal ion content A with the preset standard value Az of the heavy metal ion content,
when A is less than or equal to Az, the central control module judges that the quantity of heavy metal ions in water reaches the standard;
when A is larger than Az, the central control module judges that the quantity of heavy metal ions in the water does not reach the standard;
through setting the standard value Az of the heavy metal ion content, the filter screen 23 is further ensured to sufficiently adsorb the heavy metal ions, so that the quality of the purified water is ensured.
Specifically, when the central control module determines that the amount of heavy metal ions in water reaches the standard, the central control module controls the first electromagnetic valve 41 to open, and the filtered water flows from the second water chamber 22 to the ozone chamber 3;
when the central control module determines that the quantity of the heavy metal ions in the water does not reach the standard, the central control module controls the second electromagnetic valve 51 to be opened, and the filtered water flows back to the first water chamber 21 through the circulating water pipe 5;
when the quantity of the heavy metal ions in the water does not reach the standard, the water is controlled to flow back to the first water chamber 21, the water is filtered again, the filter screen 23 is further ensured to sufficiently adsorb the heavy metal ions, and therefore the quality of the purified water is ensured.
Specifically, a heavy metal ion difference value judgment parameter Ap is further arranged in the central control module, when the central control module judges that the quantity of the heavy metal ions in the water does not reach the standard, the central control module calculates a difference value delta A between the heavy metal ion content A and a heavy metal ion content standard value Az, delta A = A-Az, the central control module compares the delta A with the heavy metal ion difference value judgment parameter Ap,
when the delta A is less than or equal to Ap, the central control module does not adjust the pressure of the second water chamber 22;
when Δ a > Ap, the central control module regulates the pressure of the second water chamber 22 to P2 ″, P2 = bP 2'.
B =1.05 in the present example;
when the amount of heavy metal ions in water is out of tolerance seriously, the pressure of the second water chamber 22 is increased, so that the pressure difference between the first water chamber 21 and the second water chamber 22 is reduced, the permeation speed of water flow through the filter screen 23 is reduced, the filter screen 23 is ensured to sufficiently adsorb the heavy metal ions, and the quality of the water after purification is ensured.
Specifically, after the water enters the second water chamber 22 through the filtering net again, the content a 'of the heavy metal ions in the water in the second water chamber 22 is detected, and the detection result is transmitted to the central control module, the central control module compares the detected content a' of the heavy metal ions with a preset standard value Az of the content of the heavy metal ions,
when A' is less than or equal to Az, the central control module judges that the quantity of heavy metal ions in water reaches the standard;
when A' is greater than Az, the central control module judges that the quantity of heavy metal ions in the water does not reach the standard;
when the central control module continuously judges that the quantity of the heavy metal ions in the water does not reach the standard twice, the central control module judges that the adsorption capacity of the filter screen 23 is reduced, the filter screen 23 is replaced, the central control module controls the second electromagnetic valve 51 to be opened, and the filtered water flows back to the first water chamber 21 through the circulating water pipe 5.
When the quantity of heavy metal ion in the aquatic appears in succession does not reach standard, judges that the heavy metal adsorption capacity of filter screen 23 reduces, is not enough to carry out effectual absorption to heavy metal, right filter screen 23 is changed, later filters water again, has ensured that filter screen 23 adsorbs to heavy metal ion fully to the quality after the aqueous cleaning has been guaranteed.
Specifically, the central control module is also internally provided with an ozone bin standard water level Cz, when water with the standard heavy metal ion quantity flows into the ozone bin 3, the first water level gauge 31 detects the water level C in the ozone bin 3 and transmits the detection result to the central control module, the central control module compares the water level C in the ozone bin 3 with the ozone bin standard water level Cz,
when C is less than Cz, the central control module controls the first electromagnetic valve 41 to keep an opening state;
when C is larger than or equal to Cz, the central control module controls the first electromagnetic valve 41 to be closed and opened, meanwhile, the central control module controls the ozone cabin 3 to be started in a disinfection mode, and the ozone cabin 3 discharges ozone into water;
carry out ozone sterilization to water, effectively get rid of the bacterium of aquatic, ensured the quality after the aqueous cleaning, through set up the water level detection meter in ozone storehouse 3, sterilization efficiency when having ensured ozone sterilization prevents that the water level from crossing extravagant ozone too low and also prevents that the water level from too high sterilization not thoroughly.
Specifically, the central control module is internally provided with an ozone disinfection standard time length Tz, when the ozone is discharged into water from the ozone bin 3, the central control module starts a timing function, records the ozone disinfection time length T1 in real time and compares the T1 with the ozone disinfection standard time length Tz in real time,
when T1 is less than Tz, the central control module continues to time the ozone disinfection duration;
when T1 is more than or equal to Tz, the central control module stops timing the ozone disinfection time, the central control module controls the ozone cabin 3 to stop ozone disinfection and controls the third opening valve 32 to be opened, and water after ozone disinfection is discharged from the ozone cabin 3 and flows into the water storage cabin 7 through the first active carbon adsorption unit 6;
through timing when disinfecting to ozone, when guaranteeing the disinfection quality, ensured ozone disinfection's efficiency.
Specifically, a first preset water storage bin standard water level Hz is further arranged in the central control module, when purified water flows into the water storage bin 7, the second water level gauge 72 detects the water level H1 in the water storage bin 7 in real time and transmits the detection result to the central control module, the central control module compares the water level H1 in the water storage bin 7 with the first preset water storage bin standard water level Hz,
when H1 < Hz, the central control module does not adjust other components of the purification treatment system;
when H1 is greater than or equal to Hz, the central control module controls the third opening valve 32 to be closed, and meanwhile, the central control module adjusts the pressure in the second water chamber 22 to Px, wherein Px =1.1P 1;
further, a second preset water storage bin standard water level Hx is also arranged in the central control module, after the central control module adjusts the pressure in the second water chamber 22 to Px, the second water level gauge 72 detects the water level H2 in the water storage bin 7 in real time and transmits the detection result to the central control module, the central control module compares the water level H2 in the water storage bin 7 with the first preset water storage bin standard water level Hz,
when H2 is more than or equal to Hx, the central control module does not adjust other components of the purification treatment system;
when H2 is less than Hx, the central control module adjusts the pressure value of the second water chamber 22 to P2', and the central control module controls other components of the purification treatment system to continuously purify water;
the water level detector is arranged in the water storage bin 7, so that the water level in the water storage bin 7 is prevented from being too high, the ultraviolet disinfection effect cannot be achieved, the pressure of the second water chamber 22 is increased after the water level in the water storage bin 7 reaches the standard, water cannot permeate into the second water chamber 22 from the first water chamber 21, the water purification process is suspended, and the water is prevented from being discharged everywhere after water purification is finished, so that the water is prevented from being stored in a pipeline of a water purification system for too long time and deteriorating; further, when the water level in the water storage bin 7 is reduced or the work of the water purification system is recovered again, the water supply amount of the water purification system is ensured, and the water supply shortage is prevented.
Specifically, the central control module is further provided with an ultraviolet irradiation standard time duration Tx and an irradiation interval standard time duration Ty, when water exists in the water storage bin 7, the central control module starts the ultraviolet disinfection device 71 to perform ultraviolet irradiation on the water in the water storage bin 7, simultaneously, the central control module starts irradiation timing, records an ultraviolet irradiation time duration T2 in real time, compares the ultraviolet irradiation time duration T2 with the ultraviolet irradiation standard time duration Tx,
when T2 is less than Tx, the central control module continues to record the ultraviolet irradiation time;
when T2 is greater than or equal to Tx, the central control module controls the ultraviolet disinfection device 71 to stop ultraviolet irradiation.
Further, when the central control module controls the ultraviolet disinfection device 71 to stop ultraviolet irradiation, the central control module starts irradiation interval timing, records the ultraviolet irradiation interval duration T3 in real time, compares the ultraviolet irradiation interval duration T3 with the irradiation interval standard duration Ty,
when T3 is less than Ty, the central control module continues to record the duration of the ultraviolet irradiation interval;
when T3 is more than or equal to Ty, the central control module controls the ultraviolet disinfection device 71 to start ultraviolet irradiation.
When water exists in the water storage bin 7, ultraviolet irradiation is periodically carried out on the water, the water is prevented from being propagated by bacteria, the purified water after treatment is polluted, and the quality of the purified water is further ensured.
Please refer to fig. 2, which is a flow chart of the drinking water purification treatment method according to the present invention. The invention also discloses a drinking water purification treatment method of the drinking water purification treatment system, which comprises the following steps,
s1, discharging tap water to the first water chamber through the water inlet pipe;
s2, detecting the pressure at two sides of the filter screen, and adjusting the pressure of the second water chamber according to the pressure difference value;
s3, detecting the content of heavy metal ions in the filtered water, determining whether the water quality reaches the standard according to the content of the heavy metal ions, and selecting a waterway;
s4, performing ozone disinfection on the water with the water quality reaching the standard;
s5, adsorbing residual ozone in the water after ozone disinfection by using activated carbon;
s6, storing the water absorbed by the activated carbon and periodically irradiating the water by ultraviolet rays;
and S7, conveying the water to the application site through the service pipeline, and performing activated carbon adsorption again before entering the service pipeline.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A drinking water purifying treatment system is characterized by comprising
The water inlet pipe is connected with an external tap water or domestic water pipeline;
the ultrafiltration unit is connected with the water inlet pipe and used for filtering tap water to remove halide ions and heavy metal ions in the tap water, and comprises a first water chamber and a second water chamber, a filter screen is arranged between the first water chamber and the second water chamber, a first pressure detector is arranged in the first water chamber, a second pressure detector is arranged in the second water chamber, and a pressure adjusting device is further arranged in the second water chamber;
the ozone bin is connected with the ultrafiltration filtering unit and is used for disinfecting filtered tap water, a third opening valve is arranged below the ozone bin, and a first water level meter is arranged in the ozone bin;
the straight water pipe is arranged between the ultrafiltration unit and the ozone bin, and a first electromagnetic valve is arranged on the straight water pipe;
one end of the circulating water pipe is connected with the straight water pipe, the other end of the circulating water pipe is connected with the first water chamber, a second electromagnetic valve is arranged on the circulating water pipe, and the opening degree of the second electromagnetic valve is adjustable;
the first active carbon adsorption unit is connected with the ozone bin and is used for adsorbing residual ozone ions in water;
the water storage bin is connected with the first activated carbon adsorption unit and used for storing purified water, an ultraviolet disinfection device is arranged above the water storage bin, and the water storage bin is also provided with a second water level meter;
one end of the second active carbon adsorption unit is connected with the water storage bin, and the other end of the second active carbon adsorption unit is connected with the household pipeline;
the central control module is respectively connected with the first pressure detector, the second pressure detector, the pressure adjusting device, the first electromagnetic valve, the second electromagnetic valve, the ultraviolet disinfection device, the first water level meter, the second water level meter, the ozone chamber and the third opening valve and is used for adjusting the working states of all the parts;
when the purification treatment system is used for water purification, the first pressure detector and the second pressure detector respectively detect the pressure of the first water chamber and the pressure of the second water chamber, and the central control module adjusts the pressure of the second water chamber according to the pressure difference;
and after the water to be purified is filtered for the first time, detecting the content of heavy metal ions in the water, determining whether the water quality reaches the standard according to the content of the heavy metal ions, selecting a water path, and performing secondary regulation on the pressure of the second water chamber according to the content of the heavy metal ions when the water needs to be filtered for the second time.
2. The drinking water purification treatment system according to claim 1, wherein the water inlet pipe discharges the tap water to the first water chamber when the purification treatment system is used for water purification, the first pressure detector detects a pressure P1 of the first water chamber and transmits a detection result to the central control module, the second pressure detector detects a pressure P2 of the second water chamber and transmits a detection result to the central control module, and the central control module calculates a pressure difference Δ P between the first water chamber and the second water chamber, Δ P = P1-P2;
a first preset water chamber pressure difference value Q1 and a second preset water chamber pressure difference value Q2 are arranged in the central control module, the central control module compares the pressure difference delta P with a first preset water chamber pressure difference value Q1 and a second preset water chamber pressure difference value Q2,
when the delta P is less than or equal to Q1, the central control module reduces the pressure value of the second water chamber through the pressure regulating device;
when the delta P is more than Q1 and less than or equal to Q2, the central control module does not adjust the pressure value of the second water chamber;
when the delta P is larger than Q2, the central control module increases the pressure value of the second water chamber through the pressure regulating device.
3. The drinking water purification treatment system according to claim 2, wherein when the central control module adjusts the pressure value of the second water chamber, the central control module adjusts the pressure value of the second water chamber to P2',
when delta P is less than or equal to Q1, P2' = P1-1.2Q 1;
when Δ P > Q2, P2' = P1-0.9Q 2.
4. The drinking water purification treatment system according to claim 3, wherein a standard value Az of heavy metal ion content is set in the central control module, when tap water enters the second water chamber through the filter screen, a heavy metal ion content A in water in the second water chamber is detected, and a detection result is transmitted to the central control module, the central control module compares the detected heavy metal ion content A with a preset standard value Az of heavy metal ion content,
when A is less than or equal to Az, the central control module judges that the quantity of heavy metal ions in water reaches the standard;
and when A is larger than Az, the central control module judges that the quantity of the heavy metal ions in the water does not reach the standard.
5. The drinking water purification treatment system according to claim 4, wherein when the central control module determines that the amount of heavy metal ions in the water reaches a standard, the central control module controls the first electromagnetic valve to be opened, and the filtered water flows from the second water chamber to the ozone bin;
when the central control module judges that the quantity of the heavy metal ions in the water does not reach the standard, the central control module controls the second electromagnetic valve to be opened, and the filtered water flows back to the first water chamber from the circulating water pipe;
the central control module is also internally provided with a heavy metal ion difference value judgment parameter Ap, when the central control module judges that the quantity of the heavy metal ions in the water does not reach the standard, the central control module calculates the difference value delta A between the heavy metal ion content A and the heavy metal ion content standard value Az, delta A = A-Az, the central control module compares the delta A with the heavy metal ion difference value judgment parameter Ap,
when the delta A is less than or equal to Ap, the central control module does not adjust the pressure of the second water chamber;
when the delta A is larger than the Ap, the central control module adjusts the pressure of the second water chamber to P2 ', P2 ' = bP2 '.
6. The drinking water purification treatment system according to claim 5, wherein after the water enters the second water chamber through the filtering net again, the heavy metal ion content A 'in the water in the second water chamber is detected, and the detection result is transmitted to the central control module, the central control module compares the detected heavy metal ion content A' with a preset heavy metal ion content standard value Az,
when A' is less than or equal to Az, the central control module judges that the quantity of heavy metal ions in water reaches the standard;
when A' is greater than Az, the central control module judges that the quantity of heavy metal ions in the water does not reach the standard;
when the central control module judges that the quantity of the heavy metal ions in the water does not reach the standard twice continuously, the central control module judges that the adsorption capacity of the filter screen is reduced, the filter screen is replaced, the central control module controls the second electromagnetic valve to be opened, and the filtered water flows back to the first water chamber through the circulating water pipe.
7. The drinking water purification treatment system according to claim 6, wherein an ozone chamber standard water level Cz is further provided in the central control module, when water with a standard amount of heavy metal ions flows into the ozone chamber, the first water level meter detects the water level C in the ozone chamber and transmits the detection result to the central control module, the central control module compares the water level C in the ozone chamber with the ozone chamber standard water level Cz,
when C is less than Cz, the central control module controls the first electromagnetic valve to keep an opening state;
when C is larger than or equal to Cz, the central control module controls the first electromagnetic valve to be closed and opened, and simultaneously, the central control module controls the ozone bin to be started in a disinfection mode, and the ozone bin discharges ozone into water;
the central control module is internally provided with an ozone disinfection standard time length Tz, when the ozone is discharged into water from the ozone bin, the central control module starts a timing function, records the ozone disinfection time length T1 in real time and compares the T1 with the ozone disinfection standard time length Tz in real time,
when T1 is less than Tz, the central control module continues to time the ozone disinfection duration;
when T1 is more than or equal to Tz, the central control module stops timing the ozone disinfection time, the central control module controls the ozone bin to stop ozone disinfection and controls the third opening valve to be opened, and water after ozone disinfection is discharged from the ozone bin and flows into the water storage bin through the first active carbon adsorption unit.
8. The drinking water purification treatment system according to claim 7, wherein a first preset water storage bin standard water level Hz is further provided in the central control module, when the purified water flows into the water storage bin, the second water level gauge detects the water level H1 in the water storage bin in real time and transmits the detection result to the central control module, the central control module compares the water level H1 in the water storage bin with the first preset water storage bin standard water level Hz,
when H1 < Hz, the central control module does not adjust other components of the purification treatment system;
when H1 is not less than Hz, the central control module controls the third opening valve to be closed, and meanwhile, the central control module adjusts the pressure in the second water chamber to Px, wherein Px =1.1P 1;
the central control module is also internally provided with a second preset water storage bin standard water level Hx, after the central control module regulates the pressure in the second water chamber to Px, the second water level meter detects the water level H2 in the water storage bin in real time and transmits the detection result to the central control module, the central control module compares the water level H2 in the water storage bin with the first preset water storage bin standard water level Hz,
when H2 is more than or equal to Hx, the central control module does not adjust other components of the purification treatment system;
when H2 < Hx, the pressure value of the second water chamber is adjusted to P2' by the central control module, and the central control module controls other components of the purification treatment system to continue to purify water.
9. The drinking water purification treatment system according to claim 8, wherein an ultraviolet irradiation standard time duration Tx and an irradiation interval standard time duration Ty are further provided in the central control module, when water is in the water storage bin, the central control module starts the ultraviolet disinfection device to perform ultraviolet irradiation on the water in the water storage bin, and simultaneously, the central control module starts irradiation timing, records an ultraviolet irradiation time duration T2 in real time, compares the ultraviolet irradiation time duration T2 with the ultraviolet irradiation standard time duration Tx,
when T2 is less than Tx, the central control module continues to record the ultraviolet irradiation time;
when T2 is more than or equal to Tx, the central control module controls the ultraviolet disinfection device to stop ultraviolet irradiation;
when the central control module controls the ultraviolet disinfection device to stop ultraviolet irradiation, the central control module starts irradiation interval timing, records the ultraviolet irradiation interval duration T3 in real time, compares the ultraviolet irradiation interval duration T3 with the irradiation interval standard duration Ty,
when T3 is less than Ty, the central control module continues to record the duration of the ultraviolet irradiation interval;
and when the T3 is more than or equal to Ty, the central control module controls the ultraviolet disinfection device to start ultraviolet irradiation.
10. A drinking water purification treatment method based on the drinking water purification treatment system according to any one of claims 1 to 9, comprising,
s1, discharging tap water to the first water chamber through the water inlet pipe;
s2, detecting the pressure at two sides of the filter screen, and adjusting the pressure of the second water chamber according to the pressure difference value;
s3, detecting the content of heavy metal ions in the filtered water, determining whether the water quality reaches the standard according to the content of the heavy metal ions, and selecting a waterway;
s4, performing ozone disinfection on the water with the water quality reaching the standard;
s5, adsorbing residual ozone in the water after ozone disinfection by using activated carbon;
s6, storing the water absorbed by the activated carbon and periodically irradiating the water by ultraviolet rays;
and S7, conveying the water to the application site through the service pipeline, and performing activated carbon adsorption again before entering the service pipeline.
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| CN117488910A (en) * | 2023-12-29 | 2024-02-02 | 上海中韩杜科泵业制造有限公司 | Digital integrated multi-mode water supply system |
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Application publication date: 20220104 |
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