CN211198695U - Water saving device of reverse osmosis water purifying equipment - Google Patents
Water saving device of reverse osmosis water purifying equipment Download PDFInfo
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- CN211198695U CN211198695U CN201922192366.4U CN201922192366U CN211198695U CN 211198695 U CN211198695 U CN 211198695U CN 201922192366 U CN201922192366 U CN 201922192366U CN 211198695 U CN211198695 U CN 211198695U
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Abstract
The utility model relates to a reverse osmosis water purification unit water saving fixtures, including pure water passageway and dense water return circuit passageway, the pure water passageway is including the water supply pipe, high-pressure pump, reverse osmosis membrane filter, pure water pipeline and the storage water tank that connect gradually, dense water return circuit passageway is including the dense water export, dense water return circuit pipeline and the water supply pipe of the reverse osmosis filter that connect gradually, be equipped with electronic three way control valve on the dense water return circuit pipeline, an interface connection dense water drainage pipe of electronic three way control valve, be equipped with dense water flowmeter on the dense water drainage pipe, be equipped with the water supply flowmeter on the water supply pipe, still including P L C subassembly, P L C subassembly respectively with dense water flowmeter, water supply flowmeter, electronic three way control valve electric connection the utility model discloses have and reduce dense water and discharge, improve water production efficiency.
Description
Technical Field
The utility model relates to a water filtration technology field, especially a reverse osmosis water purification unit produces water installation.
Background
The equipment for producing water by using the reverse osmosis membrane in the prior art almost all faces the following problems: 1) the reverse osmosis membrane is easy to block, and the water yield is reduced. The reverse osmosis membrane is used as a physical filtering means, microorganisms, colloid, impurity particles and insoluble salts are inevitably remained on the surface of the reverse osmosis membrane, and when a large amount of impurities are accumulated on the surface of the reverse osmosis membrane, the water production efficiency is influenced, and the water production speed is reduced. 2) The decrease in water production efficiency causes the increase in the discharge amount of the rich water. Due to various reasons such as blockage, uneven water inlet and the like, the filtering capacity of the reverse osmosis membrane is reduced, the production speed of pure water is low, the corresponding concentrated water discharge is increased progressively, the water utilization rate is reduced, and the phenomenon of water resource waste is caused.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide a water-saving device of reverse osmosis water purification equipment, which improves the efficiency of aquatic products.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a reverse osmosis water purification unit water saving fixtures, includes pure water passageway and dense water return circuit passageway, the pure water passageway is including water supply pipe, high-pressure pump, reverse osmosis membrane filter, pure water pipeline and the storage water tank that connects gradually, dense water return circuit passageway is including the dense water export, the dense water return circuit pipeline and the water supply pipe of the reverse osmosis filter that connect gradually, wherein:
an electric three-way regulating valve is arranged on the concentrated water loop pipeline, and a connecting port of the electric three-way regulating valve is connected with a concentrated water drainage pipeline;
a concentrated water flowmeter is arranged on the concentrated water drainage pipeline, and a water supply flowmeter is arranged on the water supply pipeline;
the water supply system also comprises a P L C component, wherein the P L C component is respectively and electrically connected with the concentrated water flowmeter, the water supply flowmeter and the electric three-way regulating valve.
As a further improvement of the utility model: the reverse osmosis membrane filter is also provided with a back flush channel, and the back flush channel comprises a back flush water inlet pipeline, a back flush water inlet electric valve, the reverse osmosis membrane filter, a sewage discharge water outlet pipeline and a sewage discharge water outlet electric valve which are sequentially connected.
As a further improvement of the utility model: the water supply pipeline is provided with a water supply electric valve, and the pure water pipeline is provided with a pure water electric valve.
As a further improvement of the utility model: and the pure water pipeline is provided with a pure water flowmeter.
As a further improvement of the utility model, a pressure gauge before the membrane is arranged on the water supply pipeline, a pressure gauge after the membrane is arranged on the concentrated water discharge pipeline, and the pressure gauge before the membrane and the pressure gauge after the membrane are respectively and electrically connected with the P L C component.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the discharged concentrated water is recycled, and the water production efficiency is improved.
2. Reduce concentrated water discharge and save water resources.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment two.
Detailed Description
The invention will now be further described with reference to the accompanying drawings, in which:
the first embodiment is as follows:
referring to fig. 1, a water saving device of reverse osmosis water purification equipment comprises a pure water channel and a concentrated water loop channel, wherein the pure water channel comprises a water supply pipeline 1, a high pressure pump 2, a reverse osmosis membrane filter 3, a pure water pipeline 4 and a water storage tank 5 which are connected in sequence, water in the water supply pipeline 1 enters the reverse osmosis membrane filter 3 after being pressurized by the high pressure pump 2, flows out from a pure water outlet of the reverse osmosis membrane filter 3 after being filtered by the reverse osmosis membrane filter 3, and is connected to the water storage tank 5 by the pure water pipeline 4; wherein the reverse osmosis membrane filter is a reverse osmosis membrane (RO membrane) which pressurizes water by a pump, changes water with higher concentration into water with low concentration by using a reverse osmosis membrane (RO membrane) with a pore diameter of 1/10000 [ mu ] m (corresponding to 1/6000 of the size of escherichia coli and 1/300 of viruses), and simultaneously isolates all impurities mixed into a large amount of water, such as industrial pollutants, heavy metals, bacteria, viruses and the like, thereby achieving the physicochemical indexes and the sanitary standard specified for drinking, and effectively removing charged ions, inorganic substances, colloidal particles, bacteria, organic substances and the like in the water.
The concentrated water loop passage comprises a concentrated water outlet of the reverse osmosis filter 3, a concentrated water loop pipeline 6 and a water supply pipeline 1 which are connected in sequence, an electric three-way regulating valve 7 is arranged on the concentrated water loop pipeline 6, and a connecting port of the electric three-way regulating valve 7 is connected with a concentrated water drainage pipeline 8. Part of the water forms concentrated water after being filtered by the reverse osmosis membrane filter 3, the concentrated water flows to a concentrated water loop pipeline 6 from a concentrated water outlet of the reverse osmosis membrane filter 3, and is divided into two branches after passing through an electric three-way regulating valve 7, one branch is continuously filtered by the concentrated water loop pipeline 7 flowing to a water supply pipeline 1, and the other branch is discharged by a concentrated water drainage pipeline 8.
The concentrated water drainage pipeline 8 is provided with a concentrated water flowmeter 81 for measuring the flow rate Q2 of the concentrated water flowing through the concentrated water drainage pipeline in unit time; the water supply pipeline 1 is provided with a water supply flowmeter 11 for measuring the water supply flow Q1 flowing through the water supply pipeline in unit time, and the pure water pipeline 4 is provided with a pure water flowmeter 41 for measuring the pure water flow flowing through the pure water pipeline in unit time.
The water supply system also comprises a P L C component, wherein the P L C component is respectively and electrically connected with the concentrated water flowmeter, the water supply flowmeter and the electric three-way regulating valve.
The P L C component is a programmable logic controller conventionally selected in the prior art, and the programmable logic controller is a programmable memory, and stores instructions for executing operations such as logic operation, sequence control, timing, counting, arithmetic operation and the like in the programmable memory, and controls various types of mechanical equipment or production processes through digital or analog input and output.
The P L C component obtains the concentrated water flow Q2 and the water supply flow Q1 of the concentrated water flowmeter and the water supply flowmeter in unit time, further obtains the discharge rate P of the concentrated water as Q2/Q1 x 100%, and controls the electric three-way regulating valve by setting the threshold value of the discharge rate of the concentrated water, in the water production process, as water contains excessive impurities or because of reverse osmosis membrane blockage, uneven water inflow and the like, part of water cannot be filtered by the reverse osmosis membrane, when the discharge rate of the concentrated water is increased, a signal is fed back to the electric three-way regulating valve through the P L C component to regulate the switches on the concentrated water loop pipeline and the concentrated water drainage pipeline, the water flow of the concentrated water loop pipeline is increased, the water flow of the concentrated water drainage pipeline is reduced, the water discharge rate of the concentrated water drainage pipeline is reduced under the action of a pure water high-pressure pump, the flow of the pure water drainage pipeline can be increased, and the water production efficiency.
The second embodiment:
the reverse osmosis membrane filter 3 is further provided with a backwashing channel, the backwashing channel comprises a backwashing water inlet pipeline 91, a backwashing water inlet electric valve 92, the reverse osmosis membrane filter 3, a sewage discharge water outlet pipeline 94 and a sewage discharge water outlet electric valve 93 which are sequentially connected, the water supply pipeline 1 is provided with a water supply electric valve 12, and the pure water pipeline 4 is provided with a pure water electric valve 42.
The water supply pipeline 1 is provided with a membrane front pressure gauge 62, the concentrated water drainage pipeline 8 is provided with a membrane rear pressure gauge 62, the membrane front pressure gauge 62 and the membrane rear pressure gauge 62 are respectively and electrically connected with a P L C component, the main reason of the pollution blockage of the reverse osmosis membrane in the reverse osmosis membrane filter is that an inorganic salt structure is deposited on one side surface of the membrane, so that a membrane hole is slowly blocked, the water yield of the membrane is reduced, at the moment, if the water yield needs to be maintained, only the pre-filtration pressure can be increased or the water inlet quantity can be increased, however, the lift of a high-pressure pump is fixed, the water inlet pressure cannot be increased, the membrane front pressure gauge and the membrane rear pressure gauge are respectively and electrically connected with the P L C component, the P L C component analyzes that the difference between the pre-membrane pressure and the post-membrane pressure is higher than a set threshold value, and after the discharge rate of the concentrated water calculated by a water inlet flow meter and a concentrated water flow meter is lower than the set threshold value.
The technical means of the P L C component acquiring the results of the gauge and the pressure gauge and determining whether the results are within the threshold range and opening or closing the electrically operated valve are conventional in the art.
In conclusion, after the ordinary skilled in the art reads the document of the present invention, according to the present invention, the technical solution and technical concept of the present invention do not need creative mental labor to make other various corresponding transformation schemes, which all belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a reverse osmosis water purification unit water saving fixtures, includes pure water passageway and dense water return circuit passageway, the pure water passageway is including water supply pipe, high-pressure pump, reverse osmosis membrane filter, pure water pipeline and the storage water tank that connects gradually, dense water return circuit passageway is including the dense water export, dense water return circuit pipeline and the water supply pipe of the reverse osmosis filter that connect gradually, its characterized in that:
an electric three-way regulating valve is arranged on the concentrated water loop pipeline, and a connecting port of the electric three-way regulating valve is connected with a concentrated water drainage pipeline;
a concentrated water flowmeter is arranged on the concentrated water drainage pipeline, and a water supply flowmeter is arranged on the water supply pipeline;
the water supply system also comprises a P L C component, wherein the P L C component is respectively and electrically connected with the concentrated water flowmeter, the water supply flowmeter and the electric three-way regulating valve.
2. A reverse osmosis water purification unit water saving device according to claim 1, characterized in that: the reverse osmosis membrane filter is also provided with a back flush channel, and the back flush channel comprises a back flush water inlet pipeline, a back flush water inlet electric valve, the reverse osmosis membrane filter, a sewage discharge water outlet pipeline and a sewage discharge water outlet electric valve which are sequentially connected.
3. The water saving device of a reverse osmosis water purification device according to claim 2, characterized in that: the water supply pipeline is provided with a water supply electric valve, and the pure water pipeline is provided with a pure water electric valve.
4. The water saving device of a reverse osmosis water purification device according to claim 1, characterized in that: and the pure water pipeline is provided with a pure water flowmeter.
5. The water saving device of the reverse osmosis water purifying equipment according to claim 1, wherein a pressure gauge before a membrane is arranged on the water supply pipeline, a pressure gauge after the membrane is arranged on the concentrated water discharge pipeline, and the pressure gauge before the membrane and the pressure gauge after the membrane are respectively and electrically connected with the P L C component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922192366.4U CN211198695U (en) | 2019-12-10 | 2019-12-10 | Water saving device of reverse osmosis water purifying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922192366.4U CN211198695U (en) | 2019-12-10 | 2019-12-10 | Water saving device of reverse osmosis water purifying equipment |
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| Publication Number | Publication Date |
|---|---|
| CN211198695U true CN211198695U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922192366.4U Active CN211198695U (en) | 2019-12-10 | 2019-12-10 | Water saving device of reverse osmosis water purifying equipment |
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| Country | Link |
|---|---|
| CN (1) | CN211198695U (en) |
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2019
- 2019-12-10 CN CN201922192366.4U patent/CN211198695U/en active Active
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