CN108439535B - Ultraviolet sterilization dechlorination system and control method thereof - Google Patents
Ultraviolet sterilization dechlorination system and control method thereof Download PDFInfo
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- CN108439535B CN108439535B CN201810501691.1A CN201810501691A CN108439535B CN 108439535 B CN108439535 B CN 108439535B CN 201810501691 A CN201810501691 A CN 201810501691A CN 108439535 B CN108439535 B CN 108439535B
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- 230000001954 sterilising effect Effects 0.000 title claims abstract description 50
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 45
- 238000006298 dechlorination reaction Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 148
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 89
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 89
- 239000000460 chlorine Substances 0.000 claims abstract description 89
- 238000000746 purification Methods 0.000 claims abstract description 69
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 125000001309 chloro group Chemical group Cl* 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims description 17
- 230000000382 dechlorinating effect Effects 0.000 claims description 5
- 230000002070 germicidal effect Effects 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 235000020188 drinking water Nutrition 0.000 description 4
- 239000003651 drinking water Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 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
- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/29—Chlorine compounds
-
- 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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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention relates to the technical field of water dechlorination, in particular to an ultraviolet sterilization and dechlorination system and a control method thereof, wherein the system comprises a controller, at least two processing tanks, a circulating pump and a residual chlorine detector; control rivers in turn through the controller and flow to water injection in the treatment box in proper order, the purification unit disinfects, filters and removes chlorine to water when the water injection, utilizes chlorine content in the chlorine residue detector detection aquatic to give the controller with chlorine residue data feedback in aquatic, the controller is controlled purification unit and circulating pump's operation according to chlorine residue data, so that this system can high-efficient operation and can satisfy the user to the operation requirement of water. The system integrates sterilization and dechlorination, is convenient to use, high-efficiency and energy-saving, and has low cost and high safety. The invention also provides a control method of the system, and the control method has high intelligent degree.
Description
Technical Field
The invention relates to the technical field of water dechlorination, in particular to an ultraviolet sterilization dechlorination system and a control method thereof.
Background
In recent years, the influence of environmental pollution and drinking water on human health is gradually recognized, and drinking water quality has become a social problem and is receiving increasing attention. People want to drink healthy drinking water that is detoxified, and beneficial, and that restores the natural quality of water. Usually, tap water leaves a factory and carries certain free chlorine, and the existence of residual chlorine can inhibit the breeding of bacteria in a pipe network, but in some special occasions, the residual chlorine can bring bad effects, and especially has certain harm to the health of people. Therefore, chlorine removal is essential. At present, the common method for removing chlorine is to use activated carbon for adsorption, but the activated carbon is easy to breed bacteria and can bring secondary pollution to water, and the subsequent treatment is very complicated.
In view of the above, it is an urgent technical problem in the art to provide a new uv sterilization dechlorination system and a control method thereof to overcome the above drawbacks in the prior art.
Disclosure of Invention
The present invention aims to provide an ultraviolet sterilization dechlorination system and a control method thereof, which aim to overcome the defects of the prior art.
The object of the invention can be achieved by the following technical measures:
an ultraviolet germicidal dechlorination system, comprising:
the device comprises at least two treatment tanks which are arranged in sequence, wherein each treatment tank is provided with a water inlet and a water outlet, and each treatment tank is provided with at least one purification unit for sterilizing, filtering and dechlorinating water;
a circulating pump which is arranged corresponding to each treatment tank and is used for circulating water in the treatment tanks;
a residual chlorine detector for detecting the residual chlorine content in the water treated by the purification unit; and
and the controller is used for controlling the operation of the purification unit and the circulating pump according to the detection result of the residual chlorine detector.
Preferably, the treatment tank is opened with a circulation outlet through which the supply water flows out and a circulation inlet through which the supply water flows in, the circulation outlet is positioned on the water flow outflow side of the purification unit, the circulation inlet is positioned on the water flow inflow side of the purification unit, and the circulation pump is positioned between the circulation outlet and the circulation inlet and is used for circularly conveying the water flow flowing out of the purification unit to the water flow inflow side of the purification unit.
Preferably, the residual chlorine detector is disposed between the circulation pump and the circulation inlet.
Preferably, the purification unit comprises a plurality of sub-purification units which are sequentially arranged along the water flow direction, and the cross sections of the sub-purification units are circular or elliptical.
Preferably, the sub-purification unit includes a filter part and sterilization parts provided at both sides of the filter part.
Preferably, the water inlet is provided with an electromagnetic valve for controlling the flow direction of water, and the water outlet is provided with a switch valve for controlling the outflow of water.
A control method of an ultraviolet sterilization dechlorination system comprises the following steps:
the controller controls water flow to inject water into the treatment tank;
the residual chlorine detector detects the residual chlorine content in the water and feeds back residual chlorine data to the controller;
and the controller controls the operation of the purification unit and the circulating pump according to the residual chlorine data.
Preferably, the control method further includes:
the water storage amount in the treatment tank was monitored to control the water injection time and the chlorine removal time.
Preferably, the control method further includes:
and when the water storage amount in the treatment tank is greater than or equal to a preset threshold value, controlling the circulating pump to operate.
Preferably, the first and second electrodes are formed of a metal,
if the residual chlorine detector detects that the content of residual chlorine in the water exceeds 10mg/L, the controller controls the circulating pump to operate at a rotating speed of more than 0.55 rpm, controls the current of the purification unit to be 1A, and ensures that the operating time does not exceed 1 min;
if the residual chlorine detector detects that the content of residual chlorine in the water is 5-10mg/L, the controller controls the circulating pump to operate at a rotating speed of more than 0.55 rpm, controls the current of the purification unit to be 800mA, and ensures that the operating time is not more than 2 min;
if the residual chlorine detector detects that the content of residual chlorine in the water is 1-5mg/L, the controller controls the circulating pump to operate at the rotating speed of 0.44 rpm, the current of the purification unit is controlled to be 600mA, and the operation time is not limited;
if the residual chlorine detector detects that the content of residual chlorine in the water is less than 1mg/L, the controller controls the circulating pump to operate at a rotating speed of less than 0.28 rpm, the current of the purification unit is controlled to be 400mA, and the operation time is unlimited.
The treatment boxes in the ultraviolet sterilization and dechlorination system provided by the invention work in turn to realize continuous water supply, the controller controls the operation of the purification unit and the circulating pump according to the detection result of the residual chlorine detector to meet the use requirement of a user on drinking water, and the system integrates sterilization and dechlorination, is convenient to use, is efficient and energy-saving, and has low cost and high safety; the invention also provides a control method of the system, and the control method has high intelligent degree.
Drawings
FIG. 1 is a schematic diagram of the structure of the UV sterilization and dechlorination system of the present invention.
FIG. 2 is a schematic view of the working flow of the ultraviolet sterilization and dechlorination system of the present invention.
FIG. 3 is a schematic structural diagram of a first purification unit in the ultraviolet sterilization and dechlorination system of the present invention.
FIG. 4 is a schematic structural diagram of a second purification unit in the ultraviolet sterilization and dechlorination system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Many aspects of the invention are better understood with reference to the following drawings. The components in the drawings are not necessarily to scale. Instead, emphasis is placed upon clearly illustrating the components of the present invention. Moreover, in the several views of the drawings, like reference numerals designate corresponding parts.
The word "exemplary" or "illustrative" as used herein means serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" or "illustrative" is not necessarily to be construed as preferred or advantageous over other embodiments. All of the embodiments described below are exemplary embodiments provided to enable persons skilled in the art to make and use the examples of the disclosure and are not intended to limit the scope of the disclosure, which is defined by the claims. In other instances, well-known features and methods are described in detail so as not to obscure the invention. For purposes of the description herein, the terms "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," and derivatives thereof shall relate to the invention as oriented in fig. 1. Furthermore, there is no intention to be bound by any expressed or implied theory presented in the preceding technical field, background, brief summary or the following detailed description. It is also to be understood that the specific devices and processes illustrated in the attached drawings, and described in the following specification are simply exemplary embodiments of the inventive concepts defined in the appended claims. Hence, specific dimensions and other physical characteristics relating to the embodiments disclosed herein are not to be considered as limiting, unless the claims expressly state otherwise.
The embodiment of the invention provides an ultraviolet sterilization dechlorination system, which comprises: a controller, a processing box, a circulating pump and a residual chlorine detector.
Wherein, the treatment boxes are arranged in sequence, at least two treatment boxes are arranged, and preferably two treatment boxes are arranged; each treatment box is provided with a water flow inlet and a water flow outlet, and at least one purification unit which is connected with the controller in a control mode and is used for sterilizing, filtering and dechlorinating water is arranged in each treatment box. Each treatment tank is correspondingly provided with a circulating pump for circulating water in the treatment tank, and the circulating pump is in control connection with the controller and can help the water to circularly flow so as to repeatedly perform sterilization, filtration and dechlorination; each treatment box is correspondingly provided with a residual chlorine detector which is in communication connection with the controller and is used for detecting the residual chlorine content in the water treated by the purification unit; and the controller controls the operation of the purification unit and the circulating pump according to the detection result of the residual chlorine detector.
Furthermore, each treatment tank is provided with a circulation outlet for flowing out the water supply flow and a circulation inlet for flowing in the water supply flow, the circulation outlet is positioned on the water flow outflow side of the purification unit, the circulation inlet is positioned on the water flow inflow side of the purification unit, and the circulation pump is arranged between the circulation outlet and the circulation inlet and is used for circularly conveying the water flowing out of the purification unit to the water flow inflow side of the purification unit.
Further, a residual chlorine detector is provided between the circulation pump and the circulation inlet.
Specifically, referring to fig. 1, in the embodiment shown in fig. 1, two treatment tanks are provided, including a first treatment tank 20 and a second treatment tank 30 which are arranged in parallel and spaced apart from each other, and two purification units are provided, respectively, a first purification unit 201 and a second purification unit 301; the first purifying unit 201 is in control connection with the controller and is used for sterilizing, filtering and dechlorinating the water in the first treatment tank 20; the second purifying unit 301 is connected with the controller for sterilizing, filtering and dechlorinating the water in the second treating tank 30.
Further, the circulation pump includes a first circulation pump 601 provided in the first treatment tank 20 and a second circulation pump 602 provided in the second treatment tank 30.
Further, the residual chlorine detector includes a first residual chlorine detector 701 provided in the first processing tank 20 and a second residual chlorine detector 702 provided in the second processing tank 30.
Further, the water outlet ports include a first water outlet port a1 provided in the first treating tank 20 and a second water outlet port a2 provided in the second treating tank 30.
Further, the water inlet ports include a first water inlet port b1 provided in the first treatment tank 20 and a second water inlet port b2 provided in the second treatment tank 30.
Further, the circulation outlets include a first circulation outlet c1 provided in the first treatment tank 20 and a second circulation outlet c2 provided in the second treatment tank 30.
Further, the circulation inlets include a first circulation inlet d1 provided in the first treating tank 20 and a second circulation inlet d2 provided in the second treating tank 30.
More specifically, referring to fig. 1, the first treatment tank 20 includes two parallel first side walls 21 disposed at intervals and two parallel second side walls 22 disposed at intervals and perpendicular to the first side walls 21, and the first side walls 21 and the second side walls 22 together form a first cavity 23 for storing water. The first purifying unit 201 is arranged in the first cavity 23, the first circulation outlet c1 and the first circulation inlet d1 are both arranged on the second side wall 22 and communicated with the second side wall 22, the first circulation pump 601 is arranged between the first circulation outlet c1 and the first circulation inlet d1, and the first residual chlorine detector 701 is arranged between the first circulation pump 601 and the first circulation inlet d 1. Referring to fig. 2, it can be seen that, when the water flow is injected into the first treatment tank 20, the water flow enters the first purifying unit 201 from the inflow side of the first purifying unit 201, flows out from the outflow side of the first purifying unit 201 after being sterilized, filtered and dechlorinated, when the water storage amount in the first treatment tank 20 is greater than or equal to a preset threshold value, the first circulation pump 601 is controlled to operate, the water flow flowing out from the outflow side passes through the first circulation pump 601, the first residual chlorine detector 701 from the first circulation outlet c1, and then enters the first treatment tank 20 from the first circulation inlet d1, the sterilization, the filtration and the chlorine removal are repeatedly performed, meanwhile, the first residual chlorine detector 701 feeds back detection data to the controller, the controller controls the operation of the first purification unit 201 and the first circulation pump 601 according to the detection data, the above working cycle is performed until the first chlorine residue detector 701 detects that the chlorine residue data meets the requirement.
Referring to fig. 1, the second treatment tank 30 includes two third side walls 31 arranged in parallel and spaced apart, and two fourth side walls 32 arranged in parallel and spaced apart and perpendicular to the third side walls 31, and the third side walls 31 and the fourth side walls 32 together form a second cavity 33 for storing water. The second purification unit 301 is arranged in the second cavity 33; the second circulation outlet c2 and the second circulation inlet d2 are both arranged on the fourth side wall 32 and communicated with the fourth side wall 32, the second circulation pump 602 is arranged between the second circulation outlet c2 and the second circulation inlet d2, and the second residual chlorine detector 702 is arranged between the second circulation pump 602 and the second circulation inlet d 2. Referring to fig. 2, it can be seen from fig. 1 that, when the water flows into the second treatment tank 30, the water flow enters the second purification unit 301 from the inflow side of the second purification unit 301, flows out from the outflow side of the second purification unit 301 after being sterilized, filtered and dechlorinated, when the water storage amount in the second treatment tank 30 is greater than or equal to a preset threshold, the second circulation pump 602 is controlled to operate, the water flowing out from the outflow side passes through the second circulation pump 602 and the second residual chlorine detector 702 from the second circulation outlet c2 in sequence, then enters the second treatment tank 30 from the second circulation inlet d2, the sterilization, the filtration and the chlorine removal are repeatedly performed, meanwhile, the second residual chlorine detector 702 feeds back the detection data to the controller, and the controller controls the operation of the second purification unit 301 and the second circulation pump 602 according to the detection data, the above-mentioned working cycle is performed until the second residual chlorine detector 702 detects that the residual chlorine data meets the requirements.
The ultraviolet sterilization and dechlorination system in this embodiment controls the water injection time and the dechlorination time of the first treatment tank 20 and the second treatment tank 30 through the controller, so as to ensure uninterrupted water supply. In addition, the system integrates sterilization and dechlorination, has low cost and convenient use, and can meet the actual requirements of users.
On the basis of the above embodiment, the purification unit in the embodiment of the present invention includes a plurality of sub-purification units sequentially arranged along the water flow direction, and the cross section of the sub-purification unit is circular or elliptical. Preferably, the sub-purification units are arranged in two and staggered with each other.
Furthermore, the sub-purification unit comprises a filter part and a sterilization part arranged at two sides of the filter part
Specifically, in the present embodiment, please refer to fig. 3 and 4, the first purifying unit 201 includes two first sub-purifying units 2010 with the same shape and size; the second purifying unit 301 includes two second sub-purifying units 3010 having the same shape and size. The first sub-purification unit 2010 further includes a first filter part 200 and first sterilization parts 2000 provided at both sides of the first filter part 200, and the second sub-purification unit 3010 also includes a second filter part 300 and second sterilization parts 3000 provided at both sides of the second filter part 300.
More specifically, the first sterilization part 2000 and the second sterilization part 3000 are deep ultraviolet LED lamps 1000, and one or more, preferably a plurality of deep ultraviolet LED lamps 1000 may be provided, and the plurality of deep ultraviolet LED lamps 1000 are uniformly distributed. The deep ultraviolet light that deep ultraviolet LED lamp 1000 shines can promote aquatic chlorine on the one hand and decompose fast, and the usable deep ultraviolet light of on the other hand disinfects the disinfection to water. This mode disinfection and dechlorination's efficient of disinfecting, high-power deep ultraviolet light has the decomposition to the surplus chlorine in aquatic, but cyclic utilization reaches the effect of quick dechlorination, in addition, utilizes the deep ultraviolet light to disinfect the disinfection and belongs to the physical disinfection, can not produce the chemical accessory substance, avoids causing secondary pollution.
Both the first filtering part 200 and the second filtering part 300 are provided with filters (not shown in the figure) containing activated carbon for adsorbing impurities in water and removing residual chlorine in water, and the activated carbon catalyzes the residual chlorine in water to generate chemical reaction and further convert the chemical reaction into carbon compounds. The dual functions of the deep ultraviolet light and the active carbon further improve the dechlorination efficiency and ensure the sterility in water. In the operation of the system, bacteria also exist in the activated carbon and flow along with water flow in the treatment tank, but in the system, the deep ultraviolet light circularly sterilizes the water to achieve comprehensive and thorough sterilization effect, and more importantly, the device structure included in the system can ensure that the bacteria do not flow out along with the water, thereby ensuring the water use safety of users.
At least one first filtering part 200 is provided, in the first preferred embodiment, one first filtering part 200 is provided, and the first sterilizing parts 2000 are uniformly distributed on both sides of the first filtering part 200, in this case, the two first sub-purifying units 2010 are arranged in a staggered manner, so that water can be repeatedly filtered and sterilized; in a second preferred embodiment, that is, in the present embodiment, referring to fig. 3, two first filter parts 200 are provided, a first sterilization part 2000 is provided between the two first filter parts 200, the first sterilization parts 2000 are uniformly distributed on both sides of the first filter parts 200, at this time, two first sub-purification units 2010 are arranged in a staggered manner, so that a crisscross filter screen can be formed, and meanwhile, the middle and the periphery of the filter screen have dual overlapped sterilization nets, so that the filtering effect and the sterilization effect of the second preferred embodiment are better than those of the first embodiment. At least one second sub-purification unit 3010 is also provided, and the internal arrangement manner of the second sub-purification unit 3010 is the same as the internal arrangement manner of the first sub-purification unit 2010, which is not described herein again.
In this embodiment, this arrangement can make the water in the first treatment tank 20 and the second treatment tank 30 obtain comprehensive and sufficient sterilization, filtration and dechlorination, thereby shortening the time of sterilization and dechlorination and achieving better effect at the same time.
On the basis of the above embodiments, in the embodiment of the present invention, the water inlet is provided with the electromagnetic valve 10 for controlling the flow direction of the water, and the water outlet is provided with the on-off valve (not shown) for controlling the water flow.
Specifically, referring to fig. 1, a first shunt pipe 401 communicated with the water inlet pipe 40 is arranged between the first water inlet b1 and the solenoid valve 10, the controller controls the solenoid valve 10 to enable water in the water inlet pipe 40 to be injected into the first treatment tank 20 through the first shunt pipe 401, a second shunt pipe 402 communicated with the water inlet pipe 40 is arranged between the second water inlet b2 and the solenoid valve 10, and the controller controls the solenoid valve 10 to enable water in the water inlet pipe 40 to be injected into the second treatment tank 30 through the second shunt pipe 402; the arrangement is preferably such that the first shunt pipe 401 and the second shunt pipe 402 together form an inverted V-shape, and the water inlet pipe 40 and the first shunt pipe 401 and the second shunt pipe 402 together form an inverted Y-shape. This setting mode can realize that the controller controls the rivers wheel through control solenoid valve 10 and flows to first processing case 20 or the second and handle the water injection in the case 30, and the structure is more pleasing to the eye and economical and practical.
In the embodiment shown in fig. 1, a first collecting pipe 501 communicated with the water outlet pipe 50 is arranged between the first water outlet a1 and the water outlet pipe 50, and after the water in the first treatment tank 20 is sterilized and dechlorinated and meets the dechlorination requirement, the water enters the first collecting pipe 501 through the first water outlet a1 and then flows out to the water outlet pipe 50 for the user to use; a second collecting pipe 502 communicated with the water outlet pipe 50 is arranged between the second water outlet a2 and the water outlet pipe 50, and water in the second treatment tank 30 enters the second collecting pipe 502 through the second water outlet a2 after being sterilized and dechlorinated and meeting the dechlorination requirement and then flows out to the water outlet pipe 50 for a user to use; it is preferable that the first manifold 501 and the second manifold 502 together form a V-shape, and the water outlet pipe 50 forms a Y-shape together with the first manifold 501 and the second manifold 502. The arrangement mode can realize continuous water supply to meet the use requirement of users, and simultaneously, the structure is more attractive, economic and practical.
A control method of an ultraviolet sterilization dechlorination system comprises the following steps:
the controller controls water flow to inject water into the treatment tank;
the residual chlorine detector detects the residual chlorine content in the water and feeds back residual chlorine data to the controller;
and the controller controls the operation of the purification unit and the circulating pump according to the residual chlorine data.
Furthermore, the residual chlorine detectors each include a hypochlorous acid electrode (not shown) for detecting the concentration of hypochlorous acid in the water, the hypochlorous acid electrode generates a current change according to the change of the hypochlorous acid concentration, and the residual chlorine detectors convert the current change signal into a voltage signal and further convert the voltage signal into residual chlorine data change.
Specifically, the first residual chlorine detector 701 and the second residual chlorine detector 702 transmit information of the detected hypochlorous acid concentration in the water to the controller, and the controller controls the operations of the first sterilizing part 2000, the second sterilizing part 3000, the first circulating pump 601 and the second circulating pump 602 according to the received information.
Further, the control method further includes: the water storage amount in the treatment tank was monitored to control the water injection time and the chlorine removal time.
When one of the treatment tanks is monitored to be filled with water and perform dechlorination, the controller can control the other treatment tank to be filled with water, and the dechlorination time of the treatment tank is less than or equal to the water filling time of the other treatment tank, so that continuous water supply is ensured.
Further, the method further comprises: and when the water storage amount in the treatment tank is greater than or equal to a preset threshold value, controlling the circulating pump to operate.
Further, the air conditioner is provided with a fan,
if the residual chlorine detector detects that the content of residual chlorine in the water exceeds 10mg/L, the controller controls the circulating pump to operate at a rotating speed of more than 0.55 rpm, controls the current of the purification unit to be 1A, and ensures that the operating time does not exceed 1 min;
if the residual chlorine detector detects that the content of residual chlorine in the water is 5-10mg/L, the controller controls the circulating pump to operate at a rotating speed of more than 0.55 rpm, controls the current of the purification unit to be 800mA, and ensures that the operating time is not more than 2 min;
if the residual chlorine detector detects that the content of residual chlorine in the water is 1-5mg/L, the controller controls the circulating pump to operate at the rotating speed of 0.44 rpm, the current of the purification unit is controlled to be 600mA, and the operation time is not limited;
if the residual chlorine detector detects that the content of residual chlorine in the water is less than 1mg/L, the controller controls the circulating pump to operate at a rotating speed of less than 0.28 rpm, the current of the purification unit is controlled to be 400mA, and the operation time is unlimited.
The control method can ensure that the system can remove residual chlorine and sterilize in the shortest time, and has the highest efficiency.
This system utilizes chlorine residue detector to detect aquatic chlorine residue data and transmits for the controller, and the functioning speed of controller control circulating pump and the power of purifying element do not need the circulating pump to operate with the biggest rotational speed all the time, also need not purifying element to work with the biggest power all the time, guarantee to disinfect and remove the chlorine effect, have prolonged the life of above-mentioned device simultaneously, reduce cost promotes user experience.
The ultraviolet sterilization and dechlorination system provided by the invention integrates sterilization and dechlorination, is convenient to use, is efficient and energy-saving, and has low cost and high safety; the invention also provides a control method of the system, and the control method has high intelligent degree.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. An ultraviolet sterilization and dechlorination system, which is characterized by comprising: the device comprises at least two treatment tanks which are arranged in sequence, wherein each treatment tank is provided with a water flow inlet and a water flow outlet, at least one purification unit for sterilizing, filtering and dechlorinating water is arranged in each treatment tank, each purification unit comprises a plurality of sub-purification units which are arranged in sequence along the water flow direction, and each sub-purification unit comprises a filtering part and a sterilizing part arranged on two sides of the filtering part; a circulating pump which is arranged corresponding to each treatment tank and is used for circulating water in the treatment tanks; a residual chlorine detector for detecting the residual chlorine content in the water treated by the purification unit; and a controller for controlling the operation of the purification unit and the circulation pump according to the detection result of the residual chlorine detector.
2. The ultraviolet sterilization and chlorine removal system as claimed in claim 1, wherein the treatment tank is opened with a circulation outlet for flowing out water and a circulation inlet for flowing in water, the circulation outlet is located at the water flow outflow side of the purification unit, the circulation inlet is located at the water flow inflow side of the purification unit, and the circulation pump is disposed between the circulation outlet and the circulation inlet for circulating and delivering the water flowing out of the purification unit to the water flow inflow side of the purification unit.
3. The uv germicidal chlorine removal system as claimed in claim 2, wherein said chlorine residue detector is disposed between said circulation pump and said circulation inlet.
4. The uv germicidal chlorine removal system as claimed in claim 1, wherein said sub-purification units are circular or elliptical in cross-section.
5. The ultraviolet sterilization and dechlorination system as claimed in claim 1, wherein the water inlet is provided with an electromagnetic valve for controlling the flow direction of the water, and the water outlet is provided with a switch valve for controlling the flow of the water.
6. A control method of an ultraviolet sterilization and chlorine removal system, comprising the ultraviolet sterilization and chlorine removal system as recited in any one of claims 1 to 5, wherein the control method comprises: the controller controls water flow to inject water into the treatment tank; the residual chlorine detector detects the residual chlorine content in the water and feeds back residual chlorine data to the controller; and the controller controls the operation of the purification unit and the circulating pump according to the residual chlorine data.
7. The control method according to claim 6, characterized by further comprising: the water storage amount in the treatment tank was monitored to control the water injection time and the chlorine removal time.
8. The control method according to claim 7, characterized by further comprising: and when the water storage amount in the treatment tank is greater than or equal to a preset threshold value, controlling the circulating pump to operate.
9. The control method according to claim 6, wherein if the residual chlorine detector detects that the content of residual chlorine in the water exceeds 10mg/L, the controller controls the circulating pump to operate at a rotating speed of more than 0.55 rpm, controls the current of the purification unit to be 1A, and controls the operating time not to exceed 1 min; if the residual chlorine detector detects that the content of residual chlorine in the water is 5-10mg/L, the controller controls the circulating pump to operate at a rotating speed of more than 0.55 rpm, controls the current of the purification unit to be 800mA, and ensures that the operating time is not more than 2 min; if the residual chlorine detector detects that the content of residual chlorine in the water is 1-5mg/L, the controller controls the circulating pump to operate at the rotating speed of 0.44 rpm, the current of the purification unit is controlled to be 600mA, and the operation time is not limited; if the residual chlorine detector detects that the content of residual chlorine in the water is less than 1mg/L, the controller controls the circulating pump to operate at a rotating speed of less than 0.28 r/min, the current of the purification unit is controlled to be 400mA, and the operation time is unlimited.
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| CN201810242322 | 2018-03-22 | ||
| CN2018102423225 | 2018-03-22 |
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| CN112661235B (en) * | 2020-12-23 | 2022-05-03 | 木林森股份有限公司 | LED deep ultraviolet sterilization device with controllable reaction time |
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