CN214327344U - But central authorities water purification unit of inner loop - Google Patents
But central authorities water purification unit of inner loop Download PDFInfo
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- CN214327344U CN214327344U CN202120059047.0U CN202120059047U CN214327344U CN 214327344 U CN214327344 U CN 214327344U CN 202120059047 U CN202120059047 U CN 202120059047U CN 214327344 U CN214327344 U CN 214327344U
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Abstract
The utility model provides a but central authorities water purification unit of inner loop, including the water inlet solenoid valve, former water tank, former water pump, many medium filter, activated carbon filter, precision filter, booster pump, reverse osmosis membrane filtration system, the water purification case that communicate in order, still include PLC controller and the play water flowmeter, circulating pump and the return water solenoid valve that newly add. The utility model discloses an increase the inner loop function newly, under the long-term idle condition of water purification unit, change the mode of original artifical manual evacuation water purification incasement water of regular into the regular automation and carry the hydrologic cycle in the water purification case to former water tank, not only protected the reverse osmosis membrane system, guaranteed that water purification incasement water quality is fresh, practiced thrift the water resource moreover, degree of automation is high, has saved the cost of labor.
Description
Technical Field
The utility model relates to a water purification field especially relates to a but central water purification unit of inner loop.
Background
With the rapid development of industry and urban construction, drinking water sources are polluted by more and more urban sewage and industrial wastewater, water supply sources bring organic pollutants which are difficult to or cannot be biodegraded, and the central water purifying equipment can filter harmful substances in tap water, can meet the requirement of large-flux drinking water, and is widely applied to places such as families, offices, villas, hotels, restaurants and the like.
The newly-built central water purification unit project is separated from the normal use of equipment by a long period of time after the central water purification unit is installed and debugged, and during the period, the reverse osmosis membrane system does not produce water for a long time after debugging and can cause certain damage to the membrane, shortens the service life of the membrane, generally adopts the mode of regularly and manually emptying water in a water purification tank to ensure that the equipment works to produce water in order to protect the reverse osmosis membrane system, and thus the water resource waste is serious. In addition, the water in the water purifying tank is not used for a long time, and the freshness of the water quality cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a but central authorities' water purification unit of inner loop aims at solving the automatic inner loop that opens under the long-term idle condition of water purification unit, protection reverse osmosis membrane system, water economy resource.
In order to achieve the above object, the utility model adopts the following technical scheme: a central water purifying device capable of realizing internal circulation is characterized by comprising a water inlet electromagnetic valve, a raw water tank, a raw water pump, a multi-medium filter, an activated carbon filter, a precision filter, a booster pump, a reverse osmosis membrane filtering system, a water purifying tank and a PLC (programmable logic controller), wherein the raw water pump, the multi-medium filter, the activated carbon filter, the precision filter, the booster pump, the reverse osmosis membrane filtering system and the water purifying tank are sequentially communicated;
the raw water tank is provided with a first raw water tank water inlet, a second raw water tank water inlet, a raw water tank water outlet and a raw water tank water outlet, the first raw water tank water inlet is communicated with a water inlet electromagnetic valve, and the raw water tank water outlet is communicated with a sewer;
the water purifying tank is provided with a water inlet of the water purifying tank, a water outlet of the water purifying tank and a water outlet of the water purifying tank, the water outlet of the water purifying tank is communicated with the water supply pipe network through a water outlet electromagnetic valve, and the water outlet of the water purifying tank is communicated with a sewer;
and a water outlet flowmeter is additionally arranged between the water outlet of the water purifying tank and the water outlet electromagnetic valve, a circulating pump and a water return electromagnetic valve are additionally arranged behind the water outlet of the water purifying tank, and the water outlet of the water purifying tank is communicated with the second water inlet of the original water tank through the circulating pump and the water return electromagnetic valve.
Preferably, the reverse osmosis membrane filtration system is a combined system of a reverse osmosis membrane filter element or a nanofiltration membrane filter element which are connected in parallel or in series.
Preferably, the PLC controller is electrically connected with the water inlet electromagnetic valve, the raw water pump, the booster pump, the water outlet electromagnetic valve, the water outlet flow meter, the circulating pump and the water return electromagnetic valve.
Preferably, the water outlet flowmeter is an electromagnetic flowmeter, instantaneous flow and accumulated flow are displayed on the electromagnetic flowmeter, water flow information can be sent to the PLC controller, and the conditions for the PLC program to open the circulating pump and the water return electromagnetic valve are set as follows: the accumulated flow of the water outlet flow meter is unchanged when exceeding 72 hours or the time length of the instant flow of the water outlet flow meter is zero exceeds 72 hours.
The technical scheme of the utility model following beneficial effect has:
the utility model discloses an increase the inner loop function newly, under the long-term idle condition of water purification unit, change the mode of original artifical manual evacuation water purification incasement water of regular into the regular automation and carry the hydrologic cycle in the water purification case to former water tank, not only protected the reverse osmosis membrane system, guaranteed that water purification incasement water quality is fresh, practiced thrift the water resource moreover, degree of automation is high, has saved the cost of labor.
Drawings
Fig. 1 is a schematic structural view of the present invention;
wherein: 1. a water inlet electromagnetic valve; 2. a first water inlet of the raw water tank; 3. a raw water tank; 4. a second water inlet of the raw water tank; 5. a water outlet of the raw water tank; 6. a water outlet of the raw water tank; 7. a raw water pump; 8. a multi-media filter; 9. an activated carbon filter; 10. a precision filter; 11. a booster pump; 12. a reverse osmosis membrane filtration system; 13. a water inlet of the water purifying tank; 14. a water purifying tank; 15. a water outlet of the water purifying tank; 16. a water outlet of the water purifying tank; 17. a water outlet flow meter; 18. a water outlet electromagnetic valve; 19. a water supply pipe network; 20. a circulation pump; 21. a water return electromagnetic valve; a PLC controller.
Detailed Description
Example 1
Referring to fig. 1, the central water purification equipment capable of realizing internal circulation is characterized by comprising a water inlet electromagnetic valve 1, a raw water tank 3, a raw water pump 7, a multi-media filter 8, an activated carbon filter 9, a precision filter 10, a booster pump 11, a reverse osmosis membrane filtration system 12, a water purification tank 14 and a PLC (programmable logic controller) 22 which are sequentially communicated, wherein the water inlet electromagnetic valve 1 is communicated with municipal tap water, and a water outlet 16 of the water purification tank is communicated with a water supply network 19 through a water outlet electromagnetic valve 18; the raw water tank 3 is provided with a first raw water tank water inlet 2, a second raw water tank water inlet 4, a raw water tank water outlet 6 and a raw water tank water outlet 5, the first raw water tank water inlet 2 is communicated with a water inlet electromagnetic valve 1, and the raw water tank water outlet 5 is communicated with a sewer; the water purifying tank 14 is provided with a water purifying tank water inlet 13, a water purifying tank water outlet 16 and a water purifying tank water outlet 15, the water purifying tank water outlet 16 is communicated with a water supply pipe network 19 through a water outlet electromagnetic valve 18, and the water purifying tank water outlet 15 is communicated with a sewer; a water outlet flowmeter 17 is additionally arranged between the water outlet 16 of the purified water tank and the water outlet electromagnetic valve 18, a circulating pump 20 and a water return electromagnetic valve 21 are additionally arranged behind the water outlet 15 of the purified water tank, and the water outlet 15 of the purified water tank is communicated with the second water inlet 4 of the original water tank through the circulating pump 20 and the water return electromagnetic valve 21; the reverse osmosis membrane filtration system 12 is a combined system in which reverse osmosis membrane filter elements or nanofiltration membrane filter elements are connected in parallel or in series; the PLC 22 is electrically connected with the water inlet electromagnetic valve 1, the raw water pump 7, the booster pump 11, the water outlet electromagnetic valve 18, the water outlet flowmeter 17, the circulating pump 20 and the water return electromagnetic valve 21; the water outlet flowmeter 17 is an electromagnetic flowmeter, instantaneous flow and accumulated flow are displayed on the electromagnetic flowmeter, water flow information can be sent to the PLC 22, and the conditions that the PLC 22 opens the circulating pump 20 and the water return electromagnetic valve 21 are set as follows: the accumulated flow of the water outlet flow meter 17 is unchanged when exceeding 72 hours or the time length of the instant flow of zero exceeds 72 hours.
The more detailed explanation is:
when the equipment is in operation, the PLC controller 22 opens the water inlet electromagnetic valve 1, the raw water pump 7 and the booster pump 11, municipal tap water flows into the raw water tank 3 from the first water inlet 2 of the raw water tank through the water inlet electromagnetic valve 1, sequentially enters the multi-media filter 8, the activated carbon filter 9 and the precision filter 10 through the raw water pump 7, after part of impurities in the water are removed, the municipal tap water enters the reverse osmosis membrane filtration system 12 through the booster pump 11, harmful substances such as bacteria, viruses, heavy metals and organic matters in the water are filtered, the outlet water is purified water, and the inlet water 13 of the purified water tank enters the purified water tank 14 to wait for water supply.
The water outlet flow meter 17 measures the water flowing into the water supply network 19 from the water outlet 16 of the purified water tank 14, and sends water flow information to the PLC controller 22 in real time, when the accumulated flow of the water outlet flow meter 17 exceeds 72 hours and is unchanged or the time length when the instantaneous flow is zero exceeds 72 hours, the PLC controller 22 closes the water inlet electromagnetic valve 1, opens the circulating pump 20 and the water return electromagnetic valve 21, the water in the purified water tank 14 is conveyed to the original water tank 3 from the second water inlet 4 of the original water tank through the water outlet 15 of the purified water tank, the circulating pump 20 and the water return electromagnetic valve 21, the equipment works to produce water, the circulating time is set for half an hour, and after the half an hour, the PLC controller 22 closes the circulating pump 20 and the water return electromagnetic valve 21.
Finally, it should be noted that: the above description is only the specific embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention, all fall within the protection scope of the present invention.
Claims (4)
1. A central water purification device capable of realizing internal circulation is characterized by comprising a water inlet electromagnetic valve, a raw water tank, a raw water pump, a multi-medium filter, an activated carbon filter, a precision filter, a booster pump, a reverse osmosis membrane filtration system, a water purification tank and a PLC (programmable logic controller), wherein the water inlet electromagnetic valve, the raw water tank, the raw water pump, the multi-medium filter, the activated carbon filter, the precision filter, the booster pump, the reverse osmosis membrane filtration system and the water purification tank are sequentially communicated;
the raw water tank is provided with a first raw water tank water inlet, a second raw water tank water inlet, a raw water tank water outlet and a raw water tank water outlet, the first raw water tank water inlet is communicated with a water inlet electromagnetic valve, and the raw water tank water outlet is communicated with a sewer;
the water purifying tank is provided with a water inlet of the water purifying tank, a water outlet of the water purifying tank and a water outlet of the water purifying tank, the water outlet of the water purifying tank is communicated with the water supply pipe network through a water outlet electromagnetic valve, and the water outlet of the water purifying tank is communicated with a sewer;
and a water outlet flowmeter is additionally arranged between the water outlet of the water purifying tank and the water outlet electromagnetic valve, a circulating pump and a water return electromagnetic valve are additionally arranged behind the water outlet of the water purifying tank, and the water outlet of the water purifying tank is communicated with the second water inlet of the original water tank through the circulating pump and the water return electromagnetic valve.
2. The central water purification equipment capable of realizing internal circulation according to claim 1, wherein the reverse osmosis membrane filtration system is a combined system of a reverse osmosis membrane filter element or a nanofiltration membrane filter element which are connected in parallel or in series.
3. The central water purifying equipment capable of realizing internal circulation according to claim 1, wherein the PLC is electrically connected with the water inlet electromagnetic valve, the raw water pump, the booster pump, the water outlet electromagnetic valve, the water outlet flow meter, the circulating pump and the water return electromagnetic valve.
4. The central water purifying device with internal circulation of claim 1, wherein the water outlet flow meter is an electromagnetic flow meter, which displays the instantaneous flow and the accumulated flow and can send the water flow information to the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120059047.0U CN214327344U (en) | 2021-01-11 | 2021-01-11 | But central authorities water purification unit of inner loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120059047.0U CN214327344U (en) | 2021-01-11 | 2021-01-11 | But central authorities water purification unit of inner loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214327344U true CN214327344U (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120059047.0U Active CN214327344U (en) | 2021-01-11 | 2021-01-11 | But central authorities water purification unit of inner loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214327344U (en) |
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2021
- 2021-01-11 CN CN202120059047.0U patent/CN214327344U/en active Active
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