CN216737845U - Water purification system and water purifier - Google Patents
Water purification system and water purifier Download PDFInfo
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- CN216737845U CN216737845U CN202123075876.7U CN202123075876U CN216737845U CN 216737845 U CN216737845 U CN 216737845U CN 202123075876 U CN202123075876 U CN 202123075876U CN 216737845 U CN216737845 U CN 216737845U
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Abstract
The application provides a water purification system and a water purifier. The water purification system comprises a pretreatment device, a supercharging device and a reverse osmosis membrane filter device which are sequentially connected in series on a raw water passage, wherein a concentrated water branch and a water purification branch are arranged on the reverse osmosis membrane filter device, a post-treatment device is arranged on the water purification branch, a scale inhibition device is arranged on the concentrated water branch, and a valve with an adjustable opening degree is arranged at the downstream of the scale inhibition device. By utilizing the water purification system, the scale inhibition device is arranged on the concentrate branch, and the downstream of the scale inhibition device is provided with the valve with the opening capable of being adjusted, so that the formation mechanism of concentrate crystallization and scaling is destroyed, the concentration of the concentrate is reduced, the occurrence of scaling blockage is effectively prevented, and the scale inhibition of the valve is particularly favorably avoided.
Description
Technical Field
The utility model relates to a water treatment technology field especially relates to a water purification system and purifier.
Background
With the rapid development of industry and agriculture, the water pollution of the water purifier is more and more serious, the safety problem of drinking water is highly concerned by people, and the water purifier is rapidly developed and accepted by people. According to the characteristics of water quality in China, pollution sources such as hardness, alkalinity, pH value, colloid and the like generally exist in water. The pollution source is easy to cause the scale blockage of a wastewater electromagnetic valve of a concentrated water branch of the water purifier and the scale blockage of a reverse osmosis membrane, so that the quality problems of high after-sale maintenance cost, frequent after-sale service and the like of the water purifier are caused.
At present, scaling blockage is the biggest pain point of the whole industry of water purifiers and is the most difficult after-sale problem to solve.
SUMMERY OF THE UTILITY MODEL
To the problem among the above-mentioned prior art, this application has proposed a water purification system, be provided with the dirty device that hinders on the thick water branch road, the low reaches that hinders dirty device is provided with the valve that the aperture can be adjusted to destroy thick water crystallization, scale deposit formation mechanism, reduce thick water concentration, effectively prevent the emergence that the scale deposit blockked up, especially be favorable to avoiding the scale deposit of valve to block up.
In a first aspect, the utility model provides a water purification system, this water purification system are including establishing ties in proper order preprocessing device, supercharging device, reverse osmosis membrane filter equipment on the raw water route, be provided with dense water branch road and water purification branch road on the reverse osmosis membrane filter equipment, the water purification is provided with aftertreatment device on the road, dense water is provided with on the road and hinders dirty device, the low reaches that hinder dirty device are provided with the valve that the aperture can be adjusted. By utilizing the water purification system, the scale inhibition device is arranged on the concentrate branch, and the downstream of the scale inhibition device is provided with the valve with the opening capable of being adjusted, so that the crystallization and scale formation mechanism of the concentrate is destroyed, the concentration of the concentrate is reduced, the scale blockage is effectively prevented, and the scale blockage of the valve is particularly favorably avoided.
In one embodiment of the first aspect, a concentrate return sub-branch is formed downstream of the concentrate branch, the concentrate return sub-branch is communicated with the pretreatment device, and a water softening device is arranged on the concentrate return sub-branch. Through the embodiment, the high-concentration concentrated water is softened and then mixed with the raw water for use, and the aim of zero concentrated water discharge or small concentrated water discharge of the system can be fulfilled.
In one embodiment of the first aspect, the valve is an electric ball valve, and the electric ball valve includes an electric motor and a bearing, and the electric motor can drive the bearing to control the opening degree of the electric ball valve. Through this embodiment, use electronic ball valve, owing to have rotary mechanism, can greatly reduced electronic ball valve crystallization, scale deposit risk.
In an embodiment of the first aspect, the water purification system further includes a water quality detection device, the water quality detection device is located on the concentrate discharge sub-branch downstream of the concentrate branch and upstream of the electric ball valve, and an opening of the electric ball valve can be adjusted according to a detection result of the water quality detection device. Through this embodiment, the flow of control dense water backward flow sub branch road of electric ball valve's aperture is controlled in order to control, controls the flow that the dense water of backward flow got into water softener promptly, when dense water concentration is high, reduces the flow of the dense water of backward flow to protection water softener and reverse osmosis membrane filter equipment avoid its scale deposit to block up.
In an embodiment of the first aspect, the water purification system further includes a controller, the controller is in communication connection with the water quality detection device and the electric ball valve, and is capable of adjusting the opening of the electric ball valve according to a detection result of the water quality detection device. Through this embodiment, be favorable to realizing adjusting the aperture of electric ball valve according to water quality testing device's testing result.
In one embodiment of the first aspect, the controller controls the water quality detection device to detect the concentrated water in the concentrated water discharge sub-branch at preset time intervals. Through this embodiment, be favorable to guaranteeing to carry out real-time detection to the dense water in the dense water drainage subcircuit to the aperture of accurate control electric ball valve avoids water softener and reverse osmosis membrane filter equipment's scale deposit to block up.
In one embodiment of the first aspect, the water quality detection device is a TDS detection device, and the detection result is a TDS value. Through this embodiment, TDS detection device is the device commonly used, easily acquires, installs and maintains, is favorable to accurately acquireing the testing result of dense water.
In one embodiment of the first aspect, a flow meter is provided in the clean water branch, downstream of the aftertreatment device, for measuring the flow of clean water. Through this embodiment, can know the water purification output of water purification system in real time.
In one embodiment of the first aspect, when the TDS value is greater than or equal to 500ppm, the opening of the electric ball valve is such that the flow ratio of the clean water to the concentrated water discharge is 1: 3; when the TDS value is more than or equal to 500ppm and is more than or equal to 300ppm, the opening of the electric ball valve enables the flow ratio of the clean water to the concentrated water to be 1: 1; when the TDS value is more than or equal to 300ppm and is more than or equal to 200ppm, the opening of the electric ball valve enables the flow ratio of the clean water to the concentrated water to be 2: 1; when the TDS value is less than 200ppm, the electric ball valve is closed, and zero discharge of concentrated water is realized. Through this embodiment, when dense water concentration is high, reduce the flow of the dense water of backward flow to protection water softener and reverse osmosis membrane filter equipment avoid its scale deposit to block up, when dense water concentration is low, realize the dense water zero release.
In a second aspect, the present invention further provides a water purifying machine, which comprises a machine body and a water purifying system arranged in the machine body, wherein the water purifying system is the first aspect and any one of the embodiments thereof. By utilizing the water purifier, the scale inhibition device is arranged on the concentrated water branch and is positioned at the upstream of the concentrated water return sub-branch and the concentrated water drainage sub-branch, so that the crystallization and scale formation mechanism of concentrated water is destroyed, the concentration of the concentrated water is reduced, the scale blockage is effectively prevented, the scale blockage of a valve on the concentrated water drainage sub-branch is particularly favorably avoided, the service life of the water purifier is favorably prolonged, and the after-sale maintenance cost and the after-sale service frequency of the water purifier are reduced.
The application provides a water purification system and purifier compares in prior art, has following beneficial effect.
1. By utilizing the water purification system, the scale inhibition device is arranged on the concentrate branch, and the downstream of the scale inhibition device is provided with the valve with the opening capable of being adjusted, so that the crystallization and scale formation mechanism of the concentrate is destroyed, the concentration of the concentrate is reduced, the scale blockage is effectively prevented, and the scale blockage of the valve is particularly favorably avoided.
2. The water softener helps to realize the purpose of mixing the softened high-concentration concentrated water with the raw water for use, and can achieve the purpose of zero concentrated water discharge or small concentrated water discharge of the system.
3. The electric ball valve is used, and the risk of valve crystallization and scaling can be greatly reduced due to the rotating mechanism.
The above-mentioned technical characteristics can be combined in various suitable ways or replaced by equivalent technical characteristics as long as the purpose of the invention can be achieved.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings, in which:
fig. 1 shows a schematic structural diagram of a water purification system according to an embodiment of the present invention.
List of reference numerals:
1-a pre-treatment device; 2-a pressure boosting device; 3-a reverse osmosis membrane filtration unit; 4-a post-treatment device; 5-an electric ball valve; 6-a scale inhibition device; 7-a water softening device; 8-water quality detection device.
In the drawings, like parts are provided with like reference numerals. The drawings are not to scale.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the present embodiment provides a water purification system, which includes a pretreatment device 1, a pressure boosting device 2, and a reverse osmosis membrane filtration device 3 connected in series in sequence on a raw water passage, the reverse osmosis membrane filtration device 3 is provided with a concentrated water branch and a purified water branch, the purified water branch is provided with a post-treatment device 4, the concentrated water branch is divided into a concentrated water reflux sub-branch and a concentrated water discharge sub-branch, the concentrated water discharge sub-branch is provided with a valve, the concentrated water branch is provided with a scale inhibition device 6, and the scale inhibition device 6 is located upstream of the concentrated water reflux sub-branch and the concentrated water discharge sub-branch.
The pretreatment device 1 comprises one or a combination of more of a PP cotton filter element, an activated carbon filter element, a PAC filter element, a PCU filter element, an ultrafiltration membrane filter element and a microfiltration membrane filter element. The raw water can remove pollution sources such as silt, rust, organic matters, colloid and the like in the raw water through the pretreatment device 1.
The supercharging device 2 is one or a combination of a plurality of supercharging water pumps or self-priming pumps. The pressure increasing device 2 provides water production pressure for the reverse osmosis membrane filtering device 3.
The reverse osmosis membrane filtering device 3 comprises one or a combination of a plurality of RO membrane filter cores, nanofiltration membrane filter cores, ultrafiltration membrane filter cores and microfiltration membrane filter cores. The reverse osmosis membrane filtration device 3 can remove harmful substances such as heavy metals, bacteria and viruses.
The reverse osmosis membrane filtering device 3 is provided with a concentrated water branch and a purified water branch, the purified water branch can discharge purified water for users to drink or use, and the concentrated water branch discharges concentrated water formed after treatment.
The water purification branch is provided with a post-treatment device 4. The post-treatment device 4 comprises one or a combination of more of an active carbon filter element, an ultrafiltration membrane filter element, a microfiltration membrane filter element and a carbon composite filter element. The purified water generated by the reverse osmosis membrane filtering device 3 can be directly drunk after being filtered by the post-treatment device 4.
The concentrated water branch is divided into a concentrated water reflux sub-branch and a concentrated water drainage sub-branch, a valve is arranged on the concentrated water drainage sub-branch, a scale inhibition device 6 is arranged on the concentrated water branch, and the scale inhibition device 6 is positioned at the upstream of the concentrated water reflux sub-branch and the concentrated water drainage sub-branch.
The scale inhibition device 6 can destroy the crystallization and scale formation mechanism of the concentrated water, reduce the concentration of the concentrated water, effectively prevent the occurrence of scale blockage, and is particularly favorable for avoiding the scale blockage of a valve on a concentrated water drainage branch and the scale blockage of a filter element of the reverse osmosis membrane filtering device 3 caused by the backflow of the concentrated water.
Preferably, the scale inhibition device 6 comprises one or a combination of several of a scale inhibition filter element, scale inhibition particles and a scale inhibitor.
The scale inhibitor can comprise one or a combination of several of organic phosphorus scale inhibitor, polycarboxylic acid scale inhibitor, corrosion and scale inhibitor, RO scale inhibitor, concentration scale inhibitor or non-phosphorus scale inhibitor. The scale inhibitor is capable of scaling and preventing the formation of scale. The scale inhibitor can disperse insoluble inorganic salt in the concentrated water, prevent or interfere the precipitation and scaling of the insoluble inorganic salt, thereby being beneficial to avoiding the scaling and blockage of a valve on a concentrated water drainage branch.
Preferably, the scale inhibitor structure is a rotary thread structure, which is beneficial to disassembly, thereby providing convenience for replacing scale inhibitors.
By utilizing the water purification system, the scale inhibition device 6 is arranged on the concentrate branch, and the valve with the adjustable opening degree is arranged at the downstream of the scale inhibition device 6, so that the crystallization and scale formation mechanism of the concentrate is destroyed, the concentration of the concentrate is reduced, the scale blockage is effectively prevented, and the scale blockage of the valve is particularly favorably avoided.
In one embodiment, as shown in fig. 1, a concentrate return sub-branch is formed downstream of the concentrate branch, and the concentrate return sub-branch is communicated with the pretreatment device 1, and a water softening device 7 is provided thereon.
The water softening device 7 softens the concentrated water entering the concentrated water reflux sub-branch into soft water, and then the soft water is refluxed to the pretreatment device 1 to be mixed with raw water for use, so that the purpose of zero concentrated water discharge or small quantity of concentrated water discharge of the system is achieved.
Optionally, the water softener 7 is a water softener or the water softener 7 includes a softening filter element, which softens the high-concentration concentrated water into soft water for recycling.
The water softener can absorb and replace calcium and magnesium ions in the concentrated water through the softening resin, so that the content of the calcium and magnesium ions in the water is reduced, and the hardness of the water is reduced to achieve the effect of softening the water.
The water softening device 7 can also comprise a softening filter element which comprises softening resin, and the softening resin can be one or a combination of granular and columnar materials.
Preferably, the water softening device 7 is a detachable structure to facilitate replacement of the water softening resin. Alternatively, the water softening device 7 is a rotary screw structure.
Through the embodiment, the high-concentration concentrated water is softened and then mixed with the raw water for use, so that the aim of zero concentrated water discharge or small concentrated water discharge of the system can be fulfilled.
In one embodiment, the valve is an electric ball valve 5, and the electric ball valve 5 comprises an electric motor and a bearing, and the electric motor can drive the bearing to control the opening degree of the electric ball valve 5.
The electric ball valve 5 is a 360-degree rotatable electric ball valve 5. In the filter element flushing process, the opening degree of the electric ball valve 5 can reach a full-open state, and the flow is the maximum flow at the moment.
The opening degree of the electric ball valve 5 can be adjusted. The electric ball valve 5 can steplessly adjust the opening, and the electric motor drives the bearing to control the opening of the electric ball valve 5, thereby realizing the stepless adjustment of the opening of the electric ball valve 5.
The electric ball valve 5 is a 360-degree rotatable electric ball valve 5, and due to the fact that the electric ball valve 5 is provided with the rotating mechanism, the crystallization and scaling risks of the electric ball valve 5 are greatly reduced. Compared with a common electromagnetic valve, the common electromagnetic valve adopts a fixed aperture mode, so that the aperture crystallization and scaling blockage are easily caused by long-term discharge of concentrated water.
Through this embodiment, use electronic ball valve 5, owing to have rotary mechanism, can greatly reduced electronic ball valve 5 crystallization, scale deposit risk.
In one embodiment, as shown in fig. 1, the water purification system further comprises a water quality detection device 8, the water quality detection device 8 is located on the concentrate discharge sub-branch downstream of the concentrate branch and upstream of the electric ball valve 5, and the opening degree of the electric ball valve 5 can be adjusted according to the detection result of the water quality detection device 8.
Through this embodiment, the flow of control dense water backward flow sub branch road is controlled in the aperture of control electric ball valve 5, controls the flow that the dense water of backward flow got into water softener 7 promptly, when dense water concentration is high, reduces the flow of the dense water of backward flow to protection water softener and reverse osmosis membrane filter equipment 3 avoid its scale deposit to block up.
In one embodiment, the water purification system further comprises a controller, wherein the controller is in communication connection with the water quality detection device 8 and the electric ball valve 5 and can adjust the opening of the electric ball valve 5 according to the detection result of the water quality detection device 8.
Through this embodiment, be favorable to realizing adjusting the aperture of electric ball valve 5 according to the testing result of water quality testing device 8.
In one embodiment, the controller controls the water quality detection device 8 to detect the concentrate in the concentrate discharge sub-branch at preset time intervals.
Through this embodiment, be favorable to guaranteeing to carry out real-time detection to the dense water in the dense water drainage subcircuit to the aperture of accurate control electric ball valve 5 avoids water softener and reverse osmosis membrane filter equipment 3's scale deposit to block up.
In one embodiment, the water quality detector 8 is a TDS detector, and the detection result is a TDS value.
TDS detection device is the device commonly used, easily acquires, installs and maintains. The TDS value is a common detection value of the concentration of the concentrated water and is easy to use.
TDS is an abbreviation for soluble total solids of water.
Through this embodiment, TDS detection device is the device commonly used, easily acquires, installs and maintains, is favorable to accurately acquireing the testing result of dense water.
In one embodiment, a flow meter is provided in the clean water branch, downstream of the aftertreatment device 4, for measuring the flow of clean water.
Through this embodiment, can know the water purification output of water purification system in real time.
In one embodiment, when the TDS value is more than or equal to 500ppm, the opening degree of the electric ball valve 5 enables the flow ratio of the clean water to the concentrated water drainage to be 1: 3; when the TDS value is more than 500ppm and is more than or equal to 300ppm, the opening of the electric ball valve 5 ensures that the flow ratio of the clean water to the concentrated water is 1: 1; when the TDS value is more than 300ppm and is more than or equal to 200ppm, the opening of the electric ball valve 5 ensures that the flow ratio of the clean water to the concentrated water is 2: 1; when the TDS value is less than 200ppm, the electric ball valve 5 is closed, and the zero discharge of concentrated water is realized.
When the TDS value is more than or equal to 500ppm, the opening of the electric ball valve 5 enables the flow ratio of the clean water to the concentrated water to be 1: 3, the water yield is 25%; when the TDS value is more than 500ppm and is more than or equal to 300ppm, the opening of the electric ball valve 5 ensures that the flow ratio of the clean water to the concentrated water is 1: 1, the water yield is 50%; when the TDS value is more than 300ppm and is more than or equal to 200ppm, the opening of the electric ball valve 5 ensures that the flow ratio of the clean water to the concentrated water is 2: 1, the water yield is 67%; when the TDS value is less than 200ppm, the electric ball valve 5 is closed, the zero discharge of concentrated water is realized, and the water yield is 100%.
Through this embodiment, when dense water concentration is high, reduce the flow of the dense water of backward flow to protection water softener and reverse osmosis membrane filter equipment 3 avoid its scale deposit to block up, when dense water concentration is low, realize dense water zero release.
The embodiment also provides a water purifier, which comprises a machine body and a water purifying system arranged in the machine body, wherein the water purifying system is the water purifying system.
Utilize this purifier, through set up on the dense water branch and hinder dirty device 6, hinder the low reaches of dirty device 6 and be provided with the electric ball valve that the aperture can be adjusted to destroy dense water crystallization, scale deposit formation mechanism, reduce dense water concentration, effectively prevent the emergence that the scale deposit blockked up, especially be favorable to avoiding the scale deposit of electric ball valve 5 to block up, thereby be favorable to improving the life of purifier, reduce the after-sales maintenance cost and the after-sales service frequency of purifier.
Example one
As shown in fig. 1, the present embodiment provides a water purification system, which includes a pretreatment device 1, a pressurization device 2, and a reverse osmosis membrane filtration device 3 connected in series in sequence on a raw water passage, the reverse osmosis membrane filtration device 3 is provided with a concentrated water branch and a purified water branch, the purified water branch is provided with an after-treatment device 4, the concentrated water branch is divided into a concentrated water reflux branch and a concentrated water discharge branch, the concentrated water discharge branch is provided with a valve, the concentrated water branch is provided with a scale inhibition device 6, and the scale inhibition device 6 is located at the upstream of the concentrated water reflux branch and the concentrated water discharge branch.
The pretreatment device 1 comprises one or a combination of more of a PP cotton filter element, an activated carbon filter element, a PAC filter element, a PCU filter element, an ultrafiltration membrane filter element and a microfiltration membrane filter element. The raw water can remove pollution sources such as silt, rust, organic matters, colloid and the like in the raw water through the pretreatment device 1.
The supercharging device 2 is one or a combination of a plurality of supercharging water pumps or self-priming pumps. The pressure increasing device 2 provides water production pressure for the reverse osmosis membrane filtering device 3.
The reverse osmosis membrane filtering device 3 comprises one or a combination of a plurality of RO membrane filter cores, nanofiltration membrane filter cores, ultrafiltration membrane filter cores and microfiltration membrane filter cores. The reverse osmosis membrane filtration device 3 can remove harmful substances such as heavy metals, bacteria and viruses.
The reverse osmosis membrane filtering device 3 is provided with a concentrated water branch and a purified water branch, the purified water branch can discharge purified water for users to drink or use, and the concentrated water branch discharges concentrated water formed after treatment.
The water purification branch is provided with a post-treatment device 4. The post-treatment device 4 comprises one or a combination of more of an active carbon filter element, an ultrafiltration membrane filter element, a microfiltration membrane filter element and a carbon composite filter element. The purified water generated by the reverse osmosis membrane filtering device 3 can be directly drunk after being filtered by the post-treatment device 4.
The concentrated water branch is divided into a concentrated water reflux sub-branch and a concentrated water drainage sub-branch, a valve is arranged on the concentrated water drainage sub-branch, a scale inhibition device 6 is arranged on the concentrated water branch, and the scale inhibition device 6 is positioned at the upstream of the concentrated water reflux sub-branch and the concentrated water drainage sub-branch.
The scale inhibition device 6 can destroy the crystallization and scale formation mechanism of the concentrated water, reduce the concentration of the concentrated water, effectively prevent the occurrence of scale blockage, and is particularly favorable for avoiding the scale blockage of a valve on a concentrated water drainage branch and the scale blockage of a filter element of the reverse osmosis membrane filtering device 3 caused by the backflow of the concentrated water.
Preferably, the scale inhibition device 6 comprises one or a combination of several of a scale inhibition filter element, scale inhibition particles and a scale inhibitor.
The scale inhibitor can comprise one or a combination of several of organic phosphorus scale inhibitor, polycarboxylic acid scale inhibitor, corrosion and scale inhibitor, RO scale inhibitor, concentration scale inhibitor or non-phosphorus scale inhibitor. The scale inhibitor is capable of scaling and preventing the formation of scale. The scale inhibitor can disperse insoluble inorganic salt in the concentrated water, prevent or interfere the precipitation and scaling of the insoluble inorganic salt, thereby being beneficial to avoiding the scaling and blockage of a valve on a concentrated water drainage branch.
Preferably, the scale inhibitor structure is a rotary thread structure, which is beneficial to disassembly, thereby providing convenience for replacing scale inhibitors.
By utilizing the water purification system, the scale inhibition device 6 is arranged on the concentrate branch, and the valve with the adjustable opening degree is arranged at the downstream of the scale inhibition device 6, so that the crystallization and scale formation mechanism of the concentrate is destroyed, the concentration of the concentrate is reduced, the scale blockage is effectively prevented, and the scale blockage of the valve is particularly favorably avoided.
Example two
In this embodiment, as shown in fig. 1, a concentrated water reflux sub-branch is formed at the downstream of the concentrated water branch, the concentrated water reflux sub-branch is communicated with the pretreatment device 1, and a water softening device 7 is disposed on the concentrated water reflux sub-branch.
The water softening device 7 softens the concentrated water entering the concentrated water reflux sub-branch into soft water, and then the soft water is refluxed to the pretreatment device 1 to be mixed with the raw water for use, so that the purpose of zero concentrated water discharge or small quantity of concentrated water discharge of the system is achieved.
Optionally, the water softener 7 is a water softener or the water softener 7 includes a softening filter element, which softens the high-concentration concentrated water into soft water for recycling.
The water softener can absorb and replace calcium and magnesium ions in the concentrated water through the softening resin, so that the content of the calcium and magnesium ions in the water is reduced, and the hardness of the water is reduced to achieve the effect of softening the water.
The water softening device 7 can also comprise a softening filter element which comprises softening resin, and the softening resin can be one or a combination of granular and columnar materials.
Preferably, the water softening device 7 is a detachable structure to facilitate replacement of the water softening resin. Alternatively, the water softening device 7 is a rotary screw structure.
Through the embodiment, the high-concentration concentrated water is softened and then mixed with the raw water for use, and the aim of zero concentrated water discharge or small concentrated water discharge of the system can be achieved.
EXAMPLE III
In this embodiment, the valve is an electric ball valve 5, and the opening of the electric ball valve 5 can be adjusted; the electric ball valve 5 includes an electric motor and a bearing, and the electric motor can drive the bearing to control the opening of the electric ball valve 5.
The electric ball valve 5 is a 360-degree rotatable electric ball valve 5. In the filter element flushing process, the opening degree of the electric ball valve 5 can reach a full-open state, and the flow is the maximum flow at the moment.
The opening degree of the electric ball valve 5 can be adjusted. The electric ball valve 5 can steplessly adjust the opening, and the electric motor drives the bearing to control the opening of the electric ball valve 5, thereby realizing the stepless adjustment of the opening of the electric ball valve 5.
The electric ball valve 5 is a 360-degree rotatable electric ball valve 5, and due to the fact that the electric ball valve 5 is provided with the rotating mechanism, the crystallization and scaling risks of the electric ball valve 5 are greatly reduced. Compared with a common electromagnetic valve, the common electromagnetic valve adopts a fixed aperture mode, so that the aperture crystallization and scaling blockage are easily caused by long-term discharge of concentrated water.
Through this embodiment, use electronic ball valve 5, owing to have rotary mechanism, can greatly reduced electronic ball valve 5 crystallization, scale deposit risk.
Example four
As shown in fig. 1, the water purification system further includes a water quality detection device 8, the water quality detection device 8 is located on the concentrate discharge sub-branch downstream of the concentrate branch and upstream of the electric ball valve 5, and the opening of the electric ball valve 5 can be adjusted according to the detection result of the water quality detection device 8. The opening of the electric ball valve 5 is controlled to control the flow of the concentrated water backflow sub-branch, namely, the flow of the backflow concentrated water entering the water softener 7 is controlled, and when the concentration of the concentrated water is high, the flow of the backflow concentrated water is reduced, so that the water softener and the reverse osmosis membrane filtering device 3 are protected, and the scaling blockage is avoided.
This water purification system still includes the controller, controller and water quality testing device 8, 5 communication connection of electric ball valve to can adjust the aperture of electric ball valve 5 according to water quality testing device 8's testing result, be favorable to realizing adjusting the aperture of electric ball valve 5 according to water quality testing device 8's testing result.
The controller controls the water quality detection device 8 to detect the concentrated water in the concentrated water drainage sub-branch at preset time intervals, so that real-time detection of the concentrated water in the concentrated water drainage sub-branch is facilitated, the opening of the electric ball valve 5 is accurately controlled, and scaling blockage of the water softener and the reverse osmosis membrane filtering device 3 is avoided.
EXAMPLE five
On the basis of the fourth embodiment, the water quality detection device 8 is a TDS detection device, and the detection result is a TDS value.
TDS detection device is the device commonly used, easily acquires, installs and maintains. TDS value is a common detection value of the concentration of concentrated water and is easy to use.
TDS is an abbreviation for soluble total solids of water.
Through this embodiment, TDS detection device is the device commonly used, easily acquires, installs and maintains, is favorable to accurately acquireing the testing result of dense water.
The water purification branch is provided with a flowmeter which is positioned at the downstream of the post-treatment device 4 and is used for measuring the flow of the purified water, so that the purified water yield of the water purification system can be known in real time.
When the TDS value is more than or equal to 500ppm, the opening of the electric ball valve 5 enables the flow ratio of the clean water to the concentrated water to be 1: 3; when the TDS value is more than 500ppm and is more than or equal to 300ppm, the opening of the electric ball valve 5 ensures that the flow ratio of the clean water to the concentrated water is 1: 1; when the TDS value is more than 300ppm and is more than or equal to 200ppm, the opening of the electric ball valve 5 ensures that the flow ratio of the clean water to the concentrated water is 2: 1; when the TDS value is less than 200ppm, the electric ball valve 5 is closed, and the zero discharge of concentrated water is realized.
Through this embodiment, when dense water concentration is high, reduce the flow of backward flow dense water to protection water softener and reverse osmosis membrane filter equipment 3 avoid its scale deposit to block up, when dense water concentration is low, realize the dense water zero release.
EXAMPLE six
The embodiment provides a water purifier, which comprises a machine body and a water purifying system arranged in the machine body, wherein the water purifying system is the water purifying system.
By utilizing the water purifier, the scale inhibition device 6 is arranged on the concentrated water branch, and the downstream of the scale inhibition device 6 is provided with the valve with the adjustable opening degree, so that the crystallization and scale formation mechanism of the concentrated water is destroyed, the concentration of the concentrated water is reduced, the scale blockage is effectively prevented, the scale blockage of the valve is particularly favorably avoided, the service life of the water purifier is favorably prolonged, and the after-sale maintenance cost and the after-sale service frequency of the water purifier are reduced.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that various dependent claims and the features described herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (10)
1. The utility model provides a water purification system, its characterized in that includes pretreatment unit, supercharging device, the reverse osmosis membrane filter equipment of establishing ties on raw water route in proper order, be provided with dense water branch road and water purification branch road on the reverse osmosis membrane filter equipment, be provided with aftertreatment device on the water purification branch road, be provided with on the dense water branch road and hinder dirty device, the low reaches that hinder dirty device is provided with the valve that the aperture can be adjusted.
2. The water purification system of claim 1, wherein a concentrate return sub-branch is formed downstream of the concentrate branch, the concentrate return sub-branch is communicated with the pretreatment device, and a water softening device is arranged on the concentrate return sub-branch.
3. The water purification system of claim 1, wherein the valve is an electric ball valve comprising an electric motor and a bearing, the electric motor being capable of driving the bearing to control the opening of the electric ball valve.
4. The water purification system of claim 3, further comprising a water quality detection device, wherein the water quality detection device is located on the concentrated water discharge sub-branch downstream of the concentrated water branch and upstream of the electric ball valve, and the opening of the electric ball valve can be adjusted according to a detection result of the water quality detection device.
5. The water purification system of claim 4, further comprising a controller, wherein the controller is in communication connection with the water quality detection device and the electric ball valve and can adjust the opening of the electric ball valve according to the detection result of the water quality detection device.
6. The water purification system of claim 5, wherein the controller controls the water quality detection device to detect the concentrated water in the concentrated water discharge sub-branch at preset time intervals.
7. The water purification system of any one of claims 4 to 6, wherein the water quality detection device is a TDS detection device, and the detection result is a TDS value.
8. The water purification system of claim 7, wherein a flow meter is provided in the purified water branch, the flow meter being located downstream of the post-treatment device, the flow meter being configured to measure a flow rate of the purified water.
9. The water purification system of claim 8,
when the TDS value is more than or equal to 500ppm, the opening of the electric ball valve enables the flow ratio of the clean water to the concentrated water to be 1: 3;
when the TDS value is more than or equal to 500ppm and is more than or equal to 300ppm, the opening of the electric ball valve enables the flow ratio of the clean water to the concentrated water to be 1: 1;
when the TDS value is more than or equal to 300ppm and is more than or equal to 200ppm, the opening of the electric ball valve enables the flow ratio of the clean water to the concentrated water to be 2: 1;
when the TDS value is less than 200ppm, the electric ball valve is closed, and zero discharge of concentrated water is realized.
10. A water purifier comprising a body and a water purification system disposed in the body, wherein the water purification system is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123075876.7U CN216737845U (en) | 2021-12-08 | 2021-12-08 | Water purification system and water purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123075876.7U CN216737845U (en) | 2021-12-08 | 2021-12-08 | Water purification system and water purifier |
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| CN216737845U true CN216737845U (en) | 2022-06-14 |
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