Water purification system and water purifier with constant proportion of pure wastewater
Technical Field
The invention relates to the technical field of water purifiers, in particular to a water purification system with constant proportion of pure wastewater and a water purifier.
Background
Reverse osmosis water purifiers mostly adopt reverse osmosis filter elements for water purification operation, and the reverse osmosis filter elements are provided with reverse osmosis membranes. When raw water enters the reverse osmosis water purifier, certain pressure is applied to the water to enable water molecules and ionic mineral elements in the raw water to pass through the reverse osmosis membrane, and macromolecular inorganic salts in the raw water comprise heavy metal ions, organic matters, bacteria, viruses and the like which cannot pass through the reverse osmosis membrane with small membrane pores, so that the water purifying effect is realized.
In the reverse osmosis membrane technology in the prior art, the quality of produced water cannot be adjusted again, namely, produced concentrated water cannot be filtered and utilized again, so that waste of water resources is caused, and after the ratio of pure water to concentrated water in the produced water of the system exceeds 3:1, the risk of operation of the reverse osmosis membrane is increased, the purification rate is reduced, the quality of the produced water is correspondingly deteriorated, correspondingly, the pure waste ratio of the produced water of the water purification system is unstable, the quality of the produced water cannot be guaranteed, and the use experience of a user is influenced.
Therefore, it is necessary to provide a water purification system and a water purifier with constant proportion of pure wastewater to overcome the deficiencies of the prior art.
Disclosure of Invention
The invention aims to provide a water purification system with a constant pure wastewater proportion.
The object of the invention is achieved by the following technical measures.
The utility model provides a water purification system that pure waste water proportion is invariable is provided with the EDR unit, the thick water stopper of control thick water velocity of flow, the flow control valve of adjusting the pure water velocity of flow and the booster pump that promotes the raw water velocity of flow, and booster pump, thick water stopper and flow control valve are connected with the EDR unit respectively.
Preferably, the booster pump is assembled at the water inlet intercommunication department of raw water pipeline and EDR unit, the first delivery port and the dense water pipe connection of EDR unit, dense water stopper is assembled at the pipeline department of dense water pipeline, the second delivery port and the flow control valve's of EDR unit water inlet one end are with the pipeline intercommunication, flow control valve's delivery port one end and pure water pipe intercommunication, the EDR unit water inlet and raw water pipe intercommunication.
The flow rate of establishing the pure water pipeline is F2, and the flow rate of dense water pipeline is F1, when adjusting the flow rate of pure water pipeline through flow control valve, corresponds the pressure of adjustment front end booster pump according to flow control valve's change for the flow rate of pure water pipeline and the flow rate of dense water pipeline satisfy predetermined pure useless ratio, make F2: the value of F1 was kept in the range of 3:1 or 4:1 or 5: 1.
Preferably, the booster pump presets corresponding pressure modes according to different temperatures of the outlet water of the pure water pipeline, and the booster pump runs constantly in the corresponding pressure modes according to different temperatures of the outlet water of the pure water pipeline in the working process. When the outlet water temperature of the pure water pipeline of the water purification system is in different temperature sections of the normal-temperature water section, the hot-water section and the boiled water section, the booster pumps are all correspondingly preset with different pressure modes, and the booster pumps apply different pressures to raw water by selecting different pressure modes under different outlet water temperatures. The proportion of pure wastewater discharged from the water purification system can be kept stable under different water temperature requirements.
Preferably, the pressure applied to the raw water in the pressure mode of the booster pump is greater than the pressure applied to the EDR unit by the raw water at a natural flow rate. The booster pump has increased the raw water and has exerted the pressure to the EDR unit, has promoted the raw water and has washed the water speed of EDR unit, improves the filter effect.
Preferably, the pure water pipeline is further provided with a flow meter, and the flow meter is assembled at a pipeline where one end of the water outlet of the flow regulating valve is connected with the pure water pipeline. The flowmeter can detect the water production flow of the pure water and maintain the stable water production and pure wastewater proportion.
Preferably, the pure water pipeline is further provided with a TDS detector, and the TDS detector is assembled at a pipeline connected with the pure water pipeline through the flow meter. The TDS detector can detect the TDS value of pure water, and when the TDS value of pure water was too high, in time changed the EDR unit, kept the product water quality of pure water.
Preferably, the raw water pipeline is further provided with a pressure sensor, and the pressure sensor is mounted at a management position where the raw water pipeline is connected with the EDR unit. The pressure sensor can detect the pressure caused by the water flow entering the EDR unit to the EDR unit, the pressure caused by the EDR unit is controlled to be kept in a stable state, and the desalting effect is stable.
Preferably, the raw water pipeline is further provided with a front filter element, and the front filter element is arranged at the front section water channel of the pressure sensor. Set up leading filter core and carry out first heavy filtration to the raw water that gets into the EDR unit, reduce the macromolecular substance that gets into the EDR unit, reduce the scale deposit risk of EDR unit.
Preferably, the raw water pipeline is further provided with a pre-filter element, and the pre-filter element is arranged at a communication position of the pressure sensor and the booster pump.
When the system is in a normal water purification working condition, raw water sequentially flows through a booster pump, a preposed filter element and a pressure sensor and then enters an EDR unit, the booster pump applies force to the raw water, the water flow speed of the raw water is accelerated after the raw water passes through the booster pump, the preposed filter element filters the raw water for the first time, macromolecular substances are reduced to enter the EDR unit, the pressure sensor keeps the pressure of the raw water to the EDR unit stable, the EDR unit desalinates and purifies the raw water, concentrated water with higher concentration is discharged from a first water outlet and enters a concentrated water pipeline, pure water with lower concentration is discharged from a second water outlet and enters a pure water pipeline, the outflow of the concentrated water pipeline is adjusted through a concentrated water plug, a flow adjusting valve adjusts the flow of the pure water, when the drainage of the concentrated water is too large, the flow adjusting valve increases the flow of the pure water, when the drainage of the concentrated water is too small, thereby keeping the pure waste ratio of the produced water of the water purification system in a stable state, detecting the water discharge amount of the pure water through the flowmeter, and designing the TDS detector to detect the TDS value of the pure water.
When the water flow of the pure water needed by the user is large, the flow regulating valve is opened greatly, and meanwhile, the booster pump in front of the EDR unit also needs to correspondingly select the pressure mode with large pressure, so that the pressure applied by the raw water to the EDR unit is increased, the flow of the concentrated water is improved, and the constant pure waste proportion of the system is kept.
When the water flow required by a user is small, the flow regulating valve is closed, and meanwhile, the booster pump in front of the EDR unit also needs to correspondingly select a pressure mode with small pressure, so that the pressure applied by raw water to the EDR unit is reduced, the flow of concentrated water is reduced, and the constant pure waste proportion of the system is kept.
When the system is in different leaving water temperature, can be through predetermineeing different pressure values to the booster pump, make the booster pump be in under the pressure mode of difference, for example normal atmospheric temperature water, hot water or boiling water etc. the user is different to the demand of pure water under the different temperatures, consequently can select corresponding pressure value according to the difference of temperature to keep under the different temperatures, water purification system's steady operation keeps the pure waste water proportion of producing water stable.
The invention relates to a water purification system with constant proportion of pure wastewater, which is provided with an EDR unit, a concentrated water plug for controlling the flow rate of concentrated water, a flow regulating valve for regulating the flow rate of the pure water and a booster pump for improving the flow rate of raw water, wherein the booster pump, the concentrated water plug and the flow regulating valve are respectively connected with the EDR unit. The booster pump selects the pressure mode that corresponds to change the water velocity that the raw water got into the EDR unit according to the temperature of pure water, and water purification system carries out the desalination water purification to the raw water through the EDR unit, exerts certain pressure to the raw water through the booster pump that sets up before the EDR unit, combines the flow control valve of EDR unit delivery port department to regulate and control the flow of the product water of EDR unit, makes the pure useless proportion of water purification system's product water invariable, improves user's use and experiences.
Another objective of the present invention is to provide a water purifier, which desalts and purifies water through a water purification system with a constant proportion of pure wastewater, wherein the water purification system applies a certain pressure to raw water through a booster pump arranged in front of an EDR unit, and regulates and controls the flow rate of produced water of the EDR unit in combination with a flow regulating valve at a water outlet of the EDR unit, so that the proportion of pure wastewater of the produced water of the water purification system is constant, and user experience is improved.
The object of the invention is achieved by the following technical measures.
The utility model provides a water purifier, its water purification system is provided with EDR unit, the thick water stopper of control thick water velocity of flow, the flow control valve of adjusting the pure water velocity of flow and the booster pump that promotes the raw water velocity of flow, and booster pump, thick water stopper and flow control valve are connected with the EDR unit respectively.
Preferably, the booster pump is assembled at the water inlet intercommunication department of raw water pipeline and EDR unit, the first delivery port and the dense water pipe connection of EDR unit, dense water stopper is assembled at the pipeline department of dense water pipeline, the second delivery port and the flow control valve's of EDR unit water inlet one end are with the pipeline intercommunication, flow control valve's delivery port one end and pure water pipe intercommunication, the EDR unit water inlet and raw water pipe intercommunication.
The flow rate of establishing the pure water pipeline is F2, and the flow rate of dense water pipeline is F1, when adjusting the flow rate of pure water pipeline through flow control valve, corresponds the pressure of adjustment front end booster pump according to flow control valve's change for the flow rate of pure water pipeline and the flow rate of dense water pipeline satisfy predetermined pure useless ratio, make F2: the value of F1 was kept in the range of 3:1 or 4:1 or 5: 1.
Preferably, the booster pump presets corresponding pressure modes according to different temperatures of the outlet water of the pure water pipeline, and the booster pump runs constantly in the corresponding pressure modes according to different temperatures of the outlet water of the pure water pipeline in the working process. When the outlet water temperature of the pure water pipeline of the water purification system is in different temperature sections of the normal-temperature water section, the hot-water section and the boiled water section, the booster pumps are all correspondingly preset with different pressure modes, and the booster pumps apply different pressures to raw water by selecting different pressure modes under different outlet water temperatures. The proportion of pure wastewater discharged from the water purification system can be kept stable under different water temperature requirements.
Preferably, the pressure applied to the raw water in the pressure mode of the booster pump is greater than the pressure applied to the EDR unit by the raw water at a natural flow rate. The booster pump has increased the raw water and has exerted the pressure to the EDR unit, has promoted the raw water and has washed the water speed of EDR unit, improves the filter effect.
Preferably, the pure water pipeline is further provided with a flow meter, and the flow meter is assembled at a pipeline where one end of the water outlet of the flow regulating valve is connected with the pure water pipeline. The flowmeter can detect the water production flow of the pure water and maintain the stable water production and pure wastewater proportion.
Preferably, the pure water pipeline is further provided with a TDS detector, and the TDS detector is assembled at a pipeline connected with the pure water pipeline through the flow meter. The TDS detector can detect the TDS value of pure water, and when the TDS value of pure water was too high, in time changed the EDR unit, kept the product water quality of pure water.
Preferably, the raw water pipeline is further provided with a pressure sensor, and the pressure sensor is mounted at a management position where the raw water pipeline is connected with the EDR unit. The pressure sensor can detect the pressure caused by the water flow entering the EDR unit to the EDR unit, the pressure caused by the EDR unit is controlled to be kept in a stable state, and the desalting effect is stable.
Preferably, the raw water pipeline is further provided with a front filter element, and the front filter element is arranged at the front section water channel of the pressure sensor. Set up leading filter core and carry out first heavy filtration to the raw water that gets into the EDR unit, reduce the macromolecular substance that gets into the EDR unit, reduce the scale deposit risk of EDR unit.
Preferably, the raw water pipeline is further provided with a pre-filter element, and the pre-filter element is arranged at a communication position of the pressure sensor and the booster pump.
When the system is in a normal water purification working condition, raw water sequentially flows through a booster pump, a preposed filter element and a pressure sensor and then enters an EDR unit, the booster pump applies force to the raw water, the water flow speed of the raw water is accelerated after the raw water passes through the booster pump, the preposed filter element filters the raw water for the first time, macromolecular substances are reduced to enter the EDR unit, the pressure sensor keeps the pressure of the raw water to the EDR unit stable, the EDR unit desalinates and purifies the raw water, concentrated water with higher concentration is discharged from a first water outlet and enters a concentrated water pipeline, pure water with lower concentration is discharged from a second water outlet and enters a pure water pipeline, the outflow of the concentrated water pipeline is adjusted through a concentrated water plug, a flow adjusting valve adjusts the flow of the pure water, when the drainage of the concentrated water is too large, the flow adjusting valve increases the flow of the pure water, when the drainage of the concentrated water is too small, thereby keeping the pure waste ratio of the produced water of the water purification system in a stable state, detecting the water discharge amount of the pure water through the flowmeter, and designing the TDS detector to detect the TDS value of the pure water.
When the water flow of the pure water needed by the user is large, the flow regulating valve is opened greatly, and meanwhile, the booster pump in front of the EDR unit also needs to correspondingly select the pressure mode with large pressure, so that the pressure applied by the raw water to the EDR unit is increased, the flow of the concentrated water is improved, and the constant pure waste proportion of the system is kept.
When the water flow required by a user is small, the flow regulating valve is closed, and meanwhile, the booster pump in front of the EDR unit also needs to correspondingly select a pressure mode with small pressure, so that the pressure applied by raw water to the EDR unit is reduced, the flow of concentrated water is reduced, and the constant pure waste proportion of the system is kept.
When the system is in different leaving water temperature, can be through predetermineeing different pressure values to the booster pump, make the booster pump be in under the pressure mode of difference, for example normal atmospheric temperature water, hot water or boiling water etc. the user is different to the demand of pure water under the different temperatures, consequently can select corresponding pressure value according to the difference of temperature to keep under the different temperatures, water purification system's steady operation keeps the pure waste water proportion of producing water stable.
The invention relates to a water purifier, which carries out desalination and water purification through a water purification system with a constant proportion of pure wastewater. The booster pump selects the pressure mode that corresponds to change the water velocity that the raw water got into the EDR unit according to the temperature of pure water, and water purification system carries out the desalination water purification to the raw water through the EDR unit, exerts certain pressure to the raw water through the booster pump that sets up before the EDR unit, combines the flow control valve of EDR unit delivery port department to regulate and control the flow of the product water of EDR unit, makes the pure useless proportion of water purification system's product water invariable, improves user's use and experiences.
Drawings
The invention is further illustrated by means of the attached drawings, the content of which is not in any way limiting.
FIG. 1 is a schematic diagram showing the connection relationship of water paths of a water purification system with a constant proportion of pure wastewater.
In fig. 1, this includes:
EDR unit 100, concentrate plug 200, flow control valve 300, flowmeter 400, TDS detector 500, pressure sensor 600, pre-filter 700, booster pump 800.
Detailed Description
The invention is further illustrated by the following examples.
Example 1.
A water purification system with a constant proportion of pure wastewater is provided with an EDR unit 100, a concentrated water plug 200 for controlling the flow rate of concentrated water, a flow regulating valve 300 for regulating the flow rate of pure water and a booster pump 800 for increasing the flow rate of raw water as shown in figure 1, wherein the booster pump 800, the concentrated water plug 200 and the flow regulating valve 300 are respectively connected with the EDR unit 100.
In this embodiment, booster pump 800 assembles in the water inlet intercommunication department of former water pipeline and EDR unit 100, and the first delivery port and the dense water pipe connection of EDR unit 100, and dense water stopper 200 assembles in the pipeline department of dense water pipeline, and the second delivery port of EDR unit 100 communicates with the water inlet one end of flow control valve 300 with the pipeline, and the delivery port one end and the pure water pipeline intercommunication of flow control valve 300, the water inlet and the former water pipeline intercommunication of EDR unit 100.
If the flow rate of the pure water pipeline is F2, the flow rate of the concentrated water pipeline is F1, and when the flow rate of the pure water pipeline is adjusted by the flow adjusting valve 300, the pressure of the front-end booster pump 800 is correspondingly adjusted according to the change of the flow adjusting valve 300, so that the flow rate of the pure water pipeline and the flow rate of the concentrated water pipeline meet the preset pure waste ratio, and the flow rate of the pure water pipeline and the flow rate of the concentrated water pipeline are adjusted to be F2: the value of F1 was maintained in the 3:1 range, F2: the value of F1 may also be maintained within the range of 4:1 or 5:1, and is not limited to a ratio in this embodiment.
Preferably, the booster pump 800 presets corresponding pressure modes according to different temperatures of the outlet water of the pure water pipeline, and the booster pump 800 operates constantly in the corresponding pressure modes according to different temperatures of the outlet water of the pure water pipeline during operation. When the outlet water temperature of the pure water pipeline of the water purification system is in different temperature sections of the normal temperature water section, the hot water section and the boiling water section, the booster pumps 800 are preset with different pressure modes correspondingly, and the booster pumps 800 apply different pressures to raw water by selecting different pressure modes at different outlet water temperatures. The proportion of pure wastewater discharged from the water purification system can be kept stable under different water temperature requirements.
In this embodiment, the pressure applied to the raw water in the pressure mode of the booster pump 800 is greater than the pressure applied to the EDR unit 100 by the raw water at the natural flow rate. The booster pump 800 increases the pressure applied by the raw water to the EDR unit 100, increases the water velocity at which the raw water flushes the EDR unit 100, and improves the filtering effect.
In this embodiment, a flow meter 400 is further disposed on the pure water pipeline, and the flow meter 400 is assembled at a pipeline where one end of the water outlet of the flow control valve 300 is connected to the pure water pipeline. The flow meter 400 can detect the water production flow rate of pure water and maintain a stable water production and pure wastewater ratio.
In this embodiment, the pure water pipeline is further provided with a TDS detector 500, and the TDS detector 500 is assembled at the pipeline where the flow meter 400 is connected with the pure water pipeline. The TDS detector 500 can detect the TDS value of pure water, and when the TDS value of pure water is too high, the EDR unit 100 is replaced in time, and the product water quality of pure water is kept.
In this embodiment, the raw water pipeline is further provided with a pressure sensor 600, and the pressure sensor 600 is mounted at a management position where the raw water pipeline is connected to the EDR unit 100. The pressure sensor 600 may detect the pressure of the water flow entering the EDR unit 100 to the EDR unit 100, control the pressure to the EDR unit 100 to be maintained in a stable state, and stabilize the desalination effect.
In this embodiment, the raw water pipeline is further provided with a front filter element 700, and the front filter element 700 is disposed at the front water pipeline of the pressure sensor 600. The front filter element 700 is arranged to filter raw water entering the EDR unit 100 for the first time, so that macromolecular substances entering the EDR unit 100 are reduced, and the scaling risk of the EDR unit 100 is reduced.
It should be noted that the pre-filter 700 at the raw water line may also be disposed at a position where the pressure sensor 600 communicates with the booster pump 800. The connection mode in the present embodiment is not limited.
When the system is in a normal water purification working condition, raw water sequentially flows through the booster pump 800, the front filter element 700 and the pressure sensor 600 and then enters the EDR unit 100, the booster pump 800 applies force to the raw water, the water flow speed of the raw water after passing through the booster pump 800 is accelerated, the front filter element 700 performs first heavy filtration on the raw water to reduce macromolecular substances entering the EDR unit 100, the pressure sensor 600 keeps the pressure of the raw water to the EDR unit 100 stable, the EDR unit 100 performs desalination and water purification on the raw water, concentrated water with higher concentration is discharged from a first water outlet and enters a concentrated water pipeline, pure water with lower concentration is discharged from a second water outlet and enters a pure water pipeline, the outflow of the concentrated water pipeline is adjusted through the concentrated water plug 200, the flow adjusting valve 300 adjusts the flow of the pure water, when the drainage of the concentrated water is too large, the flow adjusting valve 300 is adjusted to increase the flow of the pure water, when the drainage of, the flow rate of the pure water is reduced by adjusting the flow rate adjusting valve 300 so that the water production-to-waste ratio of the water purification system is maintained in a stable state, the discharge amount of the pure water is also detected by the flow meter 400, and the TDS detector 500 is designed to detect the TDS value of the pure water.
When the water flow rate of pure water required by a user is large, the flow regulating valve 300 is opened, and meanwhile, the booster pump 800 in front of the EDR unit 100 also needs to correspondingly select a pressure mode with large pressure, so that the pressure applied by raw water to the EDR unit 100 is increased, the flow rate of the concentrated water is increased, and the constant pure waste proportion of the system is kept.
When the water flow rate required by the user is small, the flow control valve 300 is closed, and meanwhile, the booster pump 800 in front of the EDR unit 100 also correspondingly selects a pressure mode with a small pressure, so that the pressure applied by the raw water to the EDR unit 100 is reduced, the flow rate of the concentrated water is reduced, and the constant pure waste proportion of the system is maintained.
When the system is in different leaving water temperature, can be through presetting different pressure values to booster pump 800, make booster pump 800 be in under the pressure mode of difference, for example normal atmospheric temperature water, hot water or boiling water etc. the demand of user to the pure water under the different temperatures is different, consequently can select corresponding pressure value according to the difference of temperature to keep under the different temperatures, water purification system's steady operation keeps the pure waste water proportion of producing water stable.
The water purification system with constant proportion of pure wastewater is provided with an EDR unit 100, a concentrated water plug 200 for controlling the flow rate of concentrated water, a flow regulating valve 300 for regulating the flow rate of pure water and a booster pump 800 for improving the flow rate of raw water, wherein the booster pump 800, the concentrated water plug 200 and the flow regulating valve 300 are respectively connected with the EDR unit 100. The booster pump 800 selects the corresponding pressure mode according to the water temperature of the pure water to change the water velocity at which the raw water enters the EDR unit 100, the water purification system desalts and purifies the raw water through the EDR unit 100, a certain pressure is applied to the raw water through the booster pump 800 arranged in front of the EDR unit 100, the flow of the produced water of the EDR unit 100 is regulated and controlled by combining the flow regulating valve 300 at the water outlet of the EDR unit 100, the pure waste proportion of the produced water of the water purification system is constant, and the user experience is improved.
Example 2.
The utility model provides a water purifier, carries out the desalination water purification through the water purification system of a pure waste water proportion invariant, and its water purification system is provided with EDR unit, the thick water stopper of control thick water velocity of flow, the flow control valve of adjusting the pure water velocity of flow and the booster pump that promotes the raw water velocity of flow, and booster pump, thick water stopper and flow control valve are connected with the EDR unit respectively.
In this embodiment, the booster pump assembles in the water inlet intercommunication department of former water pipeline and EDR unit, the first delivery port and the dense water pipe connection of EDR unit, and dense water stopper assembles in the pipeline department of dense water pipeline, and the second delivery port of EDR unit communicates with flow control valve's water inlet one end with the pipeline, flow control valve's delivery port one end and pure water pipeline intercommunication, the water inlet and the former water pipeline intercommunication of EDR unit.
The flow rate of establishing the pure water pipeline is F2, and the flow rate of dense water pipeline is F1, when adjusting the flow rate of pure water pipeline through flow control valve, corresponds the pressure of adjustment front end booster pump according to flow control valve's change for the flow rate of pure water pipeline and the flow rate of dense water pipeline satisfy predetermined pure useless ratio, make F2: the value of F1 was maintained in the 3:1 range, F2: the value of F1 may also be maintained within the range of 4:1 or 5:1, and is not limited to a ratio in this embodiment.
Preferably, the booster pump presets corresponding pressure modes according to different temperatures of the outlet water of the pure water pipeline, and the booster pump runs constantly in the corresponding pressure modes according to different temperatures of the outlet water of the pure water pipeline in the working process. When the outlet water temperature of the pure water pipeline of the water purification system is in different temperature sections of the normal-temperature water section, the hot-water section and the boiled water section, the booster pumps are all correspondingly preset with different pressure modes, and the booster pumps apply different pressures to raw water by selecting different pressure modes under different outlet water temperatures. The proportion of pure wastewater discharged from the water purification system can be kept stable under different water temperature requirements.
In this embodiment, the pressure applied to the raw water in the pressure mode of the booster pump is greater than the pressure applied to the EDR unit by the raw water at the natural flow rate. The booster pump has increased the raw water and has exerted the pressure to the EDR unit, has promoted the raw water and has washed the water speed of EDR unit, improves the filter effect.
In this embodiment, the pure water pipeline is further provided with a flow meter, and the flow meter is assembled at a pipeline where one end of the water outlet of the flow control valve is connected with the pure water pipeline. The flowmeter can detect the water production flow of the pure water and maintain the stable water production and pure wastewater proportion.
In this embodiment, still be provided with the TDS detector on the pure water pipeline, the TDS detector is assembled in flowmeter and pure water pipe connection's pipeline department. The TDS detector can detect the TDS value of pure water, and when the TDS value of pure water was too high, in time changed the EDR unit, kept the product water quality of pure water.
In this embodiment, the former water pipeline department still is provided with pressure sensor, and pressure sensor assembles in the management department that former water pipeline and EDR unit are connected. The pressure sensor can detect the pressure caused by the water flow entering the EDR unit to the EDR unit, the pressure caused by the EDR unit is controlled to be kept in a stable state, and the desalting effect is stable.
In this embodiment, former water route department still is provided with leading filter core, and leading filter core sets up in pressure sensor's anterior segment water route department. Set up leading filter core and carry out first heavy filtration to the raw water that gets into the EDR unit, reduce the macromolecular substance that gets into the EDR unit, reduce the scale deposit risk of EDR unit.
It should be noted that the pre-filter element at the raw water pipeline may also be disposed at the pipeline between the pressure sensor and the booster pump. The connection mode in the present embodiment is not limited.
When the system is in a normal water purification working condition, raw water sequentially flows through a booster pump, a preposed filter element and a pressure sensor and then enters an EDR unit, the booster pump applies force to the raw water, the water flow speed of the raw water is accelerated after the raw water passes through the booster pump, the preposed filter element filters the raw water for the first time, macromolecular substances are reduced to enter the EDR unit, the pressure sensor keeps the pressure of the raw water to the EDR unit stable, the EDR unit desalinates and purifies the raw water, concentrated water with higher concentration is discharged from a first water outlet and enters a concentrated water pipeline, pure water with lower concentration is discharged from a second water outlet and enters a pure water pipeline, the outflow of the concentrated water pipeline is adjusted through a concentrated water plug, a flow adjusting valve adjusts the flow of the pure water, when the drainage of the concentrated water is too large, the flow adjusting valve increases the flow of the pure water, when the drainage of the concentrated water is too small, thereby keeping the pure waste ratio of the produced water of the water purification system in a stable state, detecting the water discharge amount of the pure water through the flowmeter, and designing the TDS detector to detect the TDS value of the pure water.
When the water flow of the pure water needed by the user is large, the flow regulating valve is opened greatly, and meanwhile, the booster pump in front of the EDR unit also needs to correspondingly select the pressure mode with large pressure, so that the pressure applied by the raw water to the EDR unit is increased, the flow of the concentrated water is improved, and the constant pure waste proportion of the system is kept.
When the water flow required by a user is small, the flow regulating valve is closed, and meanwhile, the booster pump in front of the EDR unit also needs to correspondingly select a pressure mode with small pressure, so that the pressure applied by raw water to the EDR unit is reduced, the flow of concentrated water is reduced, and the constant pure waste proportion of the system is kept.
When the system is in different leaving water temperature, can be through predetermineeing different pressure values to the booster pump, make the booster pump be in under the pressure mode of difference, for example normal atmospheric temperature water, hot water or boiling water etc. the user is different to the demand of pure water under the different temperatures, consequently can select corresponding pressure value according to the difference of temperature to keep under the different temperatures, water purification system's steady operation keeps the pure waste water proportion of producing water stable.
The water purifier of this embodiment carries out the desalination water purification through the water purification system that a pure waste water proportion is invariable, and this water purification system is provided with the EDR unit, controls the thick water stopper of thick water velocity of flow, adjusts the flow control valve of the pure water velocity of flow and promotes the booster pump of the raw water velocity of flow, and booster pump, thick water stopper and flow control valve are connected with the EDR unit respectively. The booster pump selects the pressure mode that corresponds to change the water velocity that the raw water got into the EDR unit according to the temperature of pure water, and water purification system carries out the desalination water purification to the raw water through the EDR unit, exerts certain pressure to the raw water through the booster pump that sets up before the EDR unit, combines the flow control valve of EDR unit delivery port department to regulate and control the flow of the product water of EDR unit, makes the pure useless proportion of water purification system's product water invariable, improves user's use and experiences.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.