CN211849733U - Dual-quality water supply system for buildings - Google Patents
Dual-quality water supply system for buildings Download PDFInfo
- Publication number
- CN211849733U CN211849733U CN202020436821.0U CN202020436821U CN211849733U CN 211849733 U CN211849733 U CN 211849733U CN 202020436821 U CN202020436821 U CN 202020436821U CN 211849733 U CN211849733 U CN 211849733U
- Authority
- CN
- China
- Prior art keywords
- water
- water supply
- pipeline
- domestic
- direct drinking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 235000020188 drinking water Nutrition 0.000 claims abstract description 33
- 239000003651 drinking water Substances 0.000 claims abstract description 33
- 238000001728 nano-filtration Methods 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000012528 membrane Substances 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 12
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004155 Chlorine dioxide Substances 0.000 claims abstract description 5
- 239000006004 Quartz sand Substances 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 235000019398 chlorine dioxide Nutrition 0.000 claims abstract description 5
- 230000009977 dual effect Effects 0.000 claims description 5
- 239000013043 chemical agent Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 239000008213 purified water Substances 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 238000011045 prefiltration Methods 0.000 abstract 1
- 239000008400 supply water Substances 0.000 abstract 1
- 239000010865 sewage Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a dual-quality water supply system for buildings, which comprises a pretreatment device, a membrane treatment device, a direct drinking water supply device and a domestic water supply device; the pretreatment device comprises a raw water tank, a quartz sand filter, an activated carbon filter, an intermediate water tank and a precision filter; the membrane treatment device comprises a nanofiltration unit, a chemical cleaning tank, a direct drinking water supply device, a purified water tank, a chlorine dioxide generator, a pipeline mixer, a first water supply pump set, a direct drinking water supply pipeline, and a domestic water supply device, wherein the domestic water supply device comprises a domestic water tank, a second water supply pump set, a domestic water supply pipeline and a direct drinking water return pipeline. The utility model discloses utilize the prefilter of straight drinking water to supply water to the municipal administration and carry out quality of water and improve, supply as building domestic water, avoided directly using the water source that has potential secondary pollution harm directly as building domestic water, the user is direct or indirect contact skin water is safer in shower, washing one's face and rinsing one's mouth, laundry, and is healthy also to be ensured.
Description
Technical Field
The utility model relates to a water treatment technical field, in particular to secondary water supply system.
Background
The dual-quality water supply is a water supply form of high-quality domestic water at the present stage, and the water supply is divided into quality water supply according to the purposes of direct drinking water and domestic water. However, in the present stage, municipal water sources are usually directly adopted as domestic water in dual-quality water supply, and considering that the residence time of tap water in a pipeline is long due to long transmission distance of primary water supply, so that organic pollutants are increased, or secondary pollution is caused due to leakage points in a conveying pipeline, so that toxic and harmful substances in water can be directly or indirectly absorbed by the domestic water in the processes of showering, washing and the like, and a potential polluted water source is directly used as the domestic water to cause certain harm to human bodies.
SUMMERY OF THE UTILITY MODEL
The purpose of the present invention is to solve at least one of the technical drawbacks.
Therefore, an object of the utility model is to provide a building dual water supply system, include: the device comprises a pretreatment device, a membrane treatment device, a direct drinking water supply device and a domestic water supply device;
the pretreatment device comprises the following devices which are connected through pipelines in sequence: the device comprises a raw water tank, a quartz sand filter, an activated carbon filter, an intermediate water tank and a precision filter;
the membrane treatment device comprises a nanofiltration unit and a chemical cleaning box;
the water outlet end of the pretreatment device is connected with the water inlet end pipeline of the nanofiltration unit, and the water outlet end of the nanofiltration unit is connected with the water inlet end pipeline of the direct drinking water supply device and is used for performing membrane treatment and purification on supplied water;
the cleaning water supply end of the nanofiltration unit is connected with the water inlet end of the chemical cleaning box through a pipeline, and the water outlet end of the chemical cleaning box is connected with the cleaning water return end of the nanofiltration unit through a pipeline and used for guiding a chemical agent solution into the nanofiltration unit during cleaning of the nanofiltration unit;
a drain pipe is arranged below the nanofiltration unit and is used for draining after the nanofiltration unit is chemically cleaned;
the direct drinking water supply device sequentially comprises the following devices connected by pipelines: the system comprises a water purifying tank, a chlorine dioxide generator, a pipeline mixer, a first water supply pump set and a direct drinking water supply pipeline, wherein the water purifying tank is used for providing direct drinking water quality water supply for buildings;
the domestic water supply device comprises a domestic water tank, a second water supply pump set, a domestic water supply pipeline and a direct drinking water return pipeline;
the water outlet end of the activated carbon filter is connected with a domestic water tank pipeline and used for supplying water to the domestic water tank;
the domestic water tank, the second water supply pump group, the domestic water supply pipeline and the sequential pipeline are connected and used for providing domestic water for buildings;
the direct drinking water return pipeline is connected with the domestic water tank pipeline and used for retaining direct drinking water of the water supply pipeline to flow back to the domestic water tank.
The utility model has the advantages and positive effects that: utilize the primary filter equipment who directly drinks water to carry out quality of water improvement to municipal water supply in dual water supply system, supply as building domestic water, avoided directly using the water source that has potential secondary pollution harm directly as building domestic water, the user is direct or indirect contact skin water is safer in shower, washing one's face and rinsing one's mouth, laundry, and is healthy also to be protected.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is the utility model discloses a building dual water supply system's schematic diagram.
In the figure, 1, a pretreatment device, 11, a raw water tank, 12, a quartz sand filter, 13, an activated carbon filter, 14, an intermediate water tank, 15, a precision filter, 2, a membrane treatment device, 21, a nanofiltration unit, 22, a chemical cleaning tank, 23, a sewage discharge pipe, 3, a direct drinking water supply device, 31, a purified water tank, 32, a chlorine dioxide generator, 33, a pipeline mixer, 34, a first water supply pump group, 35, a direct drinking water supply pipeline, 4, a domestic water supply device, 41, a domestic water tank, 42, a second water supply pump group, 43, a domestic water supply pipeline, 44 and a direct drinking water return pipeline are arranged.
Detailed Description
The present invention will now be described in more detail with reference to the accompanying drawings, in which preferred embodiments of the invention are shown, it being understood that those skilled in the art may modify the invention herein described while still achieving the beneficial results of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
As shown in fig. 1, a dual water supply system for a building includes: the device comprises a pretreatment device 1, a membrane treatment device 2, a direct drinking water supply device 3 and a domestic water supply device 4;
the pretreatment device 1 comprises the following devices connected by pipelines in sequence: a raw water tank 11, a quartz sand filter 12, an activated carbon filter 13, an intermediate water tank 14 and a precision filter 15;
the membrane treatment device 2 comprises a nanofiltration unit 21 and a chemical cleaning box 22;
the water outlet end of the pretreatment device 1 is connected with the water inlet end of the nano filter unit 21 through a pipeline, and the water outlet end of the nano filter unit 21 is connected with the water inlet end of the direct drinking water supply device 3 through a pipeline and is used for performing membrane treatment and purification on the supplied water;
the cleaning water supply end of the nanofiltration unit 21 is connected with the water inlet end of the chemical cleaning box 22 through a pipeline, the water outlet end of the chemical cleaning box 22 is connected with the cleaning water return end of the nanofiltration unit 21 through a pipeline, and a chemical agent solution is introduced into the nanofiltration unit 21 when the nanofiltration unit is cleaned;
a sewage discharge pipe 23 is arranged below the nanofiltration unit 21 and is used for discharging sewage after the unit is chemically cleaned;
the direct drinking water supply device 3 comprises the following devices connected by pipelines in sequence: the purified water tank 31, the chlorine dioxide generator 32, the pipeline mixer 33, the first water supply pump group 34 and the direct drinking water supply pipeline 35 are used for providing direct drinking water quality water supply for the building;
the domestic water supply device 4 comprises a domestic water tank 41, a second water supply pump group 42, a domestic water supply pipeline 43 and a direct drinking water return pipeline 44;
the water outlet end of the activated carbon filter 13 is connected with the domestic water tank 41 through a pipeline and is used for supplying water to the domestic water tank 41;
the domestic water tank 41, the second water supply pump group 42 and the domestic water supply pipeline 43 are connected by pipelines in sequence and used for providing domestic water for buildings;
the direct drinking water return pipeline 44 is connected with the domestic water tank 41 through a pipeline and is used for returning the direct drinking water of the detention water supply pipeline 35 to the domestic water tank 44.
The present invention has been described in detail with reference to the embodiments, but the present invention is only a preferred embodiment, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (1)
1. A dual water supply system for a building, comprising: the device comprises a pretreatment device (1), a membrane treatment device (2), a direct drinking water supply device (3) and a domestic water supply device (4);
the pretreatment device (1) sequentially comprises the following devices in pipeline connection: a raw water tank (11), a quartz sand filter (12), an activated carbon filter (13), an intermediate water tank (14) and a precision filter (15);
the membrane treatment device (2) comprises a nanofiltration unit (21) and a chemical cleaning box (22);
the water outlet end of the pretreatment device (1) is connected with the water inlet end of the nanofiltration unit (21) through a pipeline, and the water outlet end of the nanofiltration unit (21) is connected with the water inlet end of the direct drinking water supply device (3) through a pipeline and is used for performing membrane treatment and purification on supplied water;
the cleaning water supply end of the nanofiltration unit (21) is connected with the water inlet end of the chemical cleaning box (22) through a pipeline, the water outlet end of the chemical cleaning box (22) is connected with the cleaning water return end of the nanofiltration unit (21) through a pipeline, and a chemical agent solution is introduced into the nanofiltration unit (21) during cleaning;
a drain pipe (23) is arranged below the nanofiltration unit (21) and is used for draining after the unit is chemically cleaned;
the direct drinking water supply device (3) sequentially comprises the following devices connected by pipelines: the system comprises a water purifying tank (31), a chlorine dioxide generator (32), a pipeline mixer (33), a first water supply pump set (34) and a direct drinking water supply pipeline (35), wherein the water purifying tank is used for providing direct drinking water for the building;
the domestic water supply device (4) comprises a domestic water tank (41), a second water supply pump set (42), a domestic water supply pipeline (43) and a direct drinking water return pipeline (44);
the water outlet end of the activated carbon filter (13) is connected with a domestic water tank (41) through a pipeline and used for supplying water to the domestic water tank (41);
the domestic water tank (41), the second water supply pump group (42), the domestic water supply pipeline (43) and the sequential pipeline connection are used for providing domestic water for buildings;
the direct drinking water return pipeline (44) is connected with the domestic water tank (41) through a pipeline and used for retaining direct drinking water of the water supply pipeline (35) to flow back to the domestic water tank (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020436821.0U CN211849733U (en) | 2020-03-31 | 2020-03-31 | Dual-quality water supply system for buildings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020436821.0U CN211849733U (en) | 2020-03-31 | 2020-03-31 | Dual-quality water supply system for buildings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211849733U true CN211849733U (en) | 2020-11-03 |
Family
ID=73137259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020436821.0U Expired - Fee Related CN211849733U (en) | 2020-03-31 | 2020-03-31 | Dual-quality water supply system for buildings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211849733U (en) |
-
2020
- 2020-03-31 CN CN202020436821.0U patent/CN211849733U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |