CN211255492U - Wastewater discharge-free water purifier with double RO (reverse osmosis) filter elements - Google Patents
Wastewater discharge-free water purifier with double RO (reverse osmosis) filter elements Download PDFInfo
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- CN211255492U CN211255492U CN201821120356.9U CN201821120356U CN211255492U CN 211255492 U CN211255492 U CN 211255492U CN 201821120356 U CN201821120356 U CN 201821120356U CN 211255492 U CN211255492 U CN 211255492U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 179
- 239000002351 wastewater Substances 0.000 title claims abstract description 14
- 238000001223 reverse osmosis Methods 0.000 title description 81
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003456 ion exchange resin Substances 0.000 claims abstract description 17
- 229920003303 ion-exchange polymer Polymers 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 238000010992 reflux Methods 0.000 claims abstract description 4
- 239000008213 purified water Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000272814 Anser sp. Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920001429 chelating resin Polymers 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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Abstract
The utility model discloses a wastewater-discharge-free water purifier with double RO filter elements, which comprises a raw water tank, a preposed filter element, the double RO filter element and a TAC and ion exchange resin mixed filter element, wherein the raw water in the raw water tank flows to the preposed filter element through a first one-way valve; the front filter element is provided with two paths of water outlets; the double RO filter element is provided with a first RO filter element and a second RO filter element, and a concentrated water outlet of the first RO filter element is connected with the second RO filter element in series; the two water outlets of the preposed filter element are connected with the first RO filter element and the second RO filter element in parallel; and the TAC and ion exchange resin mixed filter element is used for collecting the concentrated water of the second RO filter element and filtering and refluxing the concentrated water to the preposed filter element. The utility model discloses can realize that dense water need not discharge when getting the pure water, but cyclic utilization and two RO filter core functions of make full use of can reduce the adverse effect to the RO filter core again, reach the function of no waste water discharge.
Description
Technical Field
The utility model relates to a purifier water purification field, concretely relates to no waste water purifier of two RO filter cores.
Background
The RO Reverse Osmosis membrane water purifier is characterized in that Reverse osmoses are Reverse Osmosis, water treatment is carried out by utilizing a Reverse Osmosis principle, a Reverse Osmosis membrane filter cartridge is arranged in the water purifier, a Reverse Osmosis membrane filter core is arranged in the filter cartridge, water molecules can pass through the RO filter core under certain pressure, and impurities such as inorganic salt, heavy metal ions, organic matters, colloid, bacteria, viruses and the like in water cannot pass through the RO filter core, so that part of water is separated out by the RO filter core, and the water which does not pass through is concentrated water due to the increase of solute. Reverse osmosis membrane water purifiers have been used in the industrial fields of desalination of seawater and brackish water, boiler feed water, wastewater treatment, and the like in the early days, and have been introduced into the civil field in recent years.
Although the reverse osmosis treatment technology has many advantages, it produces a part of concentrated water while producing purified water, and the ratio of purified water to waste water of the low-gallon RO filter element is usually 1:3, that is, after once purification and filtration, the produced concentrated water is about 3 times of that of the purified water.
The reverse osmosis membrane purifier in the past all is the dense water discharge type, be about to the dense water after once purifying and filtering directly discharges as waste water, this is really a very big waste, especially miniature family expenses, commercial purifier, its raw water is the running water, the quality of water of the dense water that produces through once purifying and filtering is not than the raw water poor, the value of utilization still, can further by secondary, cubic deep purification, if regard dense water as waste water direct discharge, not only can increase the water purification cost, and also be a waste to the water resource.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the above technical problem, the utility model aims at providing a no waste water discharging water purifier of two RO filter cores, it can realize that dense water need not discharge when making pure water, but cyclic utilization and make full use of two RO filter core functions can reduce the adverse effect to the RO filter core again, reach the function that no waste water discharged.
The adopted technical scheme is as follows:
a wastewater-discharge-free water purifier with double RO filter elements comprises
The raw water tank is used for storing raw water;
the preposed filter element is used for preposed filtration of raw water; raw water in the raw water tank flows to the preposed filter element through a first one-way valve; the front filter element is provided with two paths of water outlets;
the double-RO filter element is provided with a first RO filter element and a second RO filter element, the first RO filter element is provided with a first water inlet, a first purified water outlet and a first concentrated water outlet, and the second RO filter element is provided with a second water inlet, a second purified water outlet and a second concentrated water outlet; a first concentrated water outlet of the first RO filter element is communicated with a second water inlet of the second RO filter element; the first water outlet of the first RO filter element is communicated with the second water outlet of the second RO filter element, one path of water outlet of the preposed filter element is communicated with the first water inlet of the first RO filter element, and the other path of water outlet is communicated with the second water inlet of the second RO filter element;
and the TAC and ion exchange resin mixed filter element is used for collecting concentrated water generated by the second RO filter element and filtering and refluxing the concentrated water to the preposed filter element, and a second concentrated water outlet of the second RO filter element flows to the TAC and ion exchange resin mixed filter element through a second one-way valve.
Further, a second purified water outlet of the second RO filter element is communicated with a water nozzle, and the water nozzle is telescopic.
Furthermore, a water level sensor is arranged below the water nozzle and is connected with a controller.
Further, the controller is provided with a knob or a plurality of buttons for controlling different sensing distances of the water level sensor.
The beneficial effects of the utility model reside in that:
on the one hand, the utility model discloses a TAC and the mixed filter core of ion exchange resin filter the dense water of production to second RO filter core and purify again, and TAC is with ca in the dense water2+、mg2+The physical crystallization is discharged with the water, and the ion exchange resin is used for removing ca in the concentrated water2 +、mg2+Adsorbing to remove scale and reduce TDS (Total dissolved solids); meanwhile, the calcium carbonate is prevented from crystallizing on the RO filter element to influence the service life of the RO filter element;
in the second aspect, when two RO filter cores are connected in series, the front filter core is provided with two water outlets to connect the two RO filter cores in parallel, so that the two RO filter cores are connected in series and connected in parallel, and the functions of the two RO filter cores are fully utilized.
And in the third aspect, the concentrated water generated by filtering the second RO filter element is re-purified by the TAC and ion exchange resin mixed filter element and then flows back to the front filter element for continuous use, so that the utilization of the circulating water is realized, the concentrated water is not required to be discharged, and the function of no wastewater discharge is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a wastewater-free water purifier with double RO filter elements in embodiment 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only preferred embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the non-wastewater-discharge water purifier with double RO filter elements comprises a raw water tank 1, a front filter element 2, the double RO filter elements and a TAC and ion exchange resin mixed filter element 5.
A raw water tank 1 for storing raw water;
the preposed filter element 2 is used for preposed filtration of raw water; raw water in the raw water tank flows to the preposed filter element through a first one-way valve 12; the front filter element is provided with two paths of water outlets; the preposed filter element can be a PP cotton activated carbon rod combined filter element.
The double-RO filter element is provided with a first RO filter element 3 and a second RO filter element 4, the first RO filter element is provided with a first water inlet, a first purified water outlet and a first concentrated water outlet, and the second RO filter element is provided with a second water inlet, a second purified water outlet and a second concentrated water outlet; a first concentrated water outlet of the first RO filter element is communicated with a second water inlet of the second RO filter element; a first water outlet of the first RO filter element is communicated with a second water outlet of the second RO filter element, one path of water outlet of the preposed filter element is communicated with a first water inlet of the first RO filter element, and the other path of water outlet is communicated with a second water inlet of the second RO filter element; on one hand, the first RO filter element and the second RO filter element are connected in series, and part of water filtered by the preposed filter element sequentially passes through the first RO filter element and the second RO filter element for filtering, wherein concentrated water generated by the first RO filter element is filtered by the second RO filter element; on the other hand, the two paths of outlet water of the preposed filter element are connected with the first RO filter element and the second RO filter element in parallel, and the other path of water directly flows to the second RO filter element for filtration.
And the TAC and ion exchange resin mixed filter element 5 is used for collecting the concentrated water generated by the second RO filter element and filtering and refluxing the concentrated water to the front filter element, and a second concentrated water outlet of the second RO filter element 4 flows to the TAC and ion exchange resin mixed filter element 5 through a second one-way valve 45.
The above-mentioned "communication" can be performed by using a water pipe.
When the system works, raw water flows to the preposed filter element in a one-way mode and is filtered, the raw water is divided into two paths, one path of the raw water sequentially passes through concentrated water generated by the first RO filter element, and the concentrated water is filtered by the second RO filter element to obtain a first part of purified water; the other path of purified water is directly filtered by a second RO filter element to obtain a second part of purified water; the first part of purified water and the second part of purified water are converged and then discharged.
The concentrated water generated by the double RO filter elements is the concentrated water generated by the second RO filter element, and flows back to the front filter element after being filtered by the TAC and ion exchange resin mixed filter element for recycling.
Therefore, on one hand, the concentrated water generated by the filtration of the second RO filter element is re-purified by the TAC and ion exchange resin mixed filter element, and the TAC filter element purifies the ca in the concentrated water2+、mg2+The physical crystallization is discharged along with the water, the ion exchange resin is also called chelating resin, and the ion exchange resin is used for removing ca in the concentrated water2+、mg2+Adsorbing to achieve the descaling effect and reduce TDS; meanwhile, the calcium carbonate is prevented from crystallizing on the RO filter element to influence the service life of the RO filter element;
in the second aspect, when two RO filter cores are connected in series, the front filter core is provided with two water outlets to connect the two RO filter cores in parallel, so that the two RO filter cores are connected in series and connected in parallel, and the functions of the two RO filter cores are fully utilized.
And in the third aspect, the concentrated water generated by filtering the second RO filter element is re-purified by the TAC and ion exchange resin mixed filter element and then flows back to the front filter element for continuous use, so that the utilization of the circulating water is realized, the concentrated water is not required to be discharged, and the function of no wastewater discharge is achieved.
Example 2
On the basis of the embodiment 1, a second purified water outlet of the second RO filter element is communicated with a water nozzle, and the water nozzle is arranged to be telescopic, for example, the water nozzle is a telescopic goose hose; or the water nozzle is a sleeve pipe which can be stretched up and down. Therefore, the distance between the water nozzle and the base for placing the cup can be conveniently adjusted.
Example 3
On the basis of embodiment 2, a water level sensor is arranged below the water nozzle and is connected with a controller. In this way, control may be provided in conjunction with the controller, for example to automatically shut down the water based on the distance sensed by the water level sensor.
Example 4
On the basis of embodiment 3, the controller is provided with a knob or a plurality of buttons for controlling different sensing distances of the water level sensor. Therefore, the control of different induction distances can be achieved according to the control of the knob or the control of different buttons, and the distance of automatic water cut-off after a user contains more or less water in the cup can be adjusted.
The above detailed description is only for the purpose of illustrating the practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A wastewater discharge-free water purifier with double RO filter elements is characterized by comprising
The raw water tank is used for storing raw water;
the preposed filter element is used for preposed filtration of raw water; raw water in the raw water tank flows to the preposed filter element through a first one-way valve; the front filter element is provided with two paths of water outlets;
the double-RO filter element is provided with a first RO filter element and a second RO filter element, the first RO filter element is provided with a first water inlet, a first purified water outlet and a first concentrated water outlet, and the second RO filter element is provided with a second water inlet, a second purified water outlet and a second concentrated water outlet; a first concentrated water outlet of the first RO filter element is communicated with a second water inlet of the second RO filter element; the first water outlet of the first RO filter element is communicated with the second water outlet of the second RO filter element, one path of water outlet of the preposed filter element is communicated with the first water inlet of the first RO filter element, and the other path of water outlet is communicated with the second water inlet of the second RO filter element;
and the TAC and ion exchange resin mixed filter element is used for collecting concentrated water generated by the second RO filter element and filtering and refluxing the concentrated water to the preposed filter element, and a second concentrated water outlet of the second RO filter element flows to the TAC and ion exchange resin mixed filter element through a second one-way valve.
2. The non-wastewater discharge water purifier with double RO filter elements as recited in claim 1, wherein the second purified water outlet of the second RO filter element is communicated with a water nozzle, and the water nozzle is retractable.
3. The non-wastewater discharge water purifier with double RO filter elements as claimed in claim 2, wherein a water level sensor is arranged below said water nozzle, and said water level sensor is connected with a controller.
4. The wastewater-free water purifier with double RO filter elements as claimed in claim 3, wherein said controller is provided with a knob or a plurality of buttons for controlling different sensing distances of the water level sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821120356.9U CN211255492U (en) | 2018-07-11 | 2018-07-11 | Wastewater discharge-free water purifier with double RO (reverse osmosis) filter elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821120356.9U CN211255492U (en) | 2018-07-11 | 2018-07-11 | Wastewater discharge-free water purifier with double RO (reverse osmosis) filter elements |
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| Publication Number | Publication Date |
|---|---|
| CN211255492U true CN211255492U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821120356.9U Expired - Fee Related CN211255492U (en) | 2018-07-11 | 2018-07-11 | Wastewater discharge-free water purifier with double RO (reverse osmosis) filter elements |
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| CN (1) | CN211255492U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115650516A (en) * | 2022-11-03 | 2023-01-31 | 国网湖南省电力有限公司 | Method and device for purifying water quality of cooling water system in converter station |
| CN118811943A (en) * | 2024-07-29 | 2024-10-22 | 江苏中纯氢能科技有限公司 | A two-stage reverse osmosis ultrapure water purification equipment |
-
2018
- 2018-07-11 CN CN201821120356.9U patent/CN211255492U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115650516A (en) * | 2022-11-03 | 2023-01-31 | 国网湖南省电力有限公司 | Method and device for purifying water quality of cooling water system in converter station |
| CN118811943A (en) * | 2024-07-29 | 2024-10-22 | 江苏中纯氢能科技有限公司 | A two-stage reverse osmosis ultrapure water purification equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361000 12 12, Ling Xia Road, Huli District, Xiamen, Fujian Patentee after: Ainm Group Co.,Ltd. Address before: 361000 12 12, Ling Xia Road, Huli District, Xiamen, Fujian Patentee before: AIENMU (XIAMEN) TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |