CN220907305U - Ultrapure water preparation and wastewater recycling system - Google Patents
Ultrapure water preparation and wastewater recycling system Download PDFInfo
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- CN220907305U CN220907305U CN202322105086.1U CN202322105086U CN220907305U CN 220907305 U CN220907305 U CN 220907305U CN 202322105086 U CN202322105086 U CN 202322105086U CN 220907305 U CN220907305 U CN 220907305U
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- 229910021642 ultra pure water Inorganic materials 0.000 title claims abstract description 59
- 239000012498 ultrapure water Substances 0.000 title claims abstract description 59
- 239000002351 wastewater Substances 0.000 title claims abstract description 51
- 238000004064 recycling Methods 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 164
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 65
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000010865 sewage Substances 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of ultrapure water treatment, and particularly discloses an ultrapure water preparation and wastewater recycling system, wherein a water outlet of a raw water tank is connected with a water inlet of a filtering unit, the water outlet of the filtering unit is connected with a water inlet of an RO reverse osmosis unit, a first water outlet of the RO reverse osmosis unit is connected with a water inlet of an EDI unit, and the first water outlet of the EDI unit is connected with a water inlet of an ultrapure water tank; the RO reverse osmosis unit second water outlet is connected with the first three-way pipeline first port, the EDI unit second water outlet is connected with the first three-way pipeline second port, the first three-way pipeline third port is connected with the second three-way pipeline first port, the second three-way pipeline second port is connected with the wastewater recycling unit water inlet, and the second three-way pipeline third port is connected with the underground drainage system water inlet. The utility model can prepare ultrapure water and recycle the discharged wastewater, saves water resources and reduces the burden of sewage treatment. The utility model is suitable for ultrapure preparation and recycling of wastewater.
Description
Technical Field
The utility model belongs to the technical field of ultrapure water treatment, and particularly relates to an ultrapure water preparation and wastewater recycling system.
Background
Ultrapure water, also known as UP water, removes both the electrolyte from the water almost completely and the undissociated colloidal material, gases and organics from the water to a very low degree.
The general ultra-pure water production adopts a 2-level RO processing system and an EDI electric regeneration technology. For example, chinese patent application number 202220338058.7, an ultrapure water purification system, proposes that in the ultrapure water purification system, the raw water tank is connected with the front end filtration system, the front end filtration system is connected with the reverse osmosis system, the reverse osmosis system is connected with the EDI system, the EDI system is connected with the ultrapure water tank, and the ultrapure water tank is connected with the terminal filtration system. The front-end filtering system is mainly used for filtering particle impurities in raw water. The reverse osmosis system is mainly used for removing ions in water. The EDI system is used for further removing ions in water to enable the water to reach the ultra-pure water requirement. The ultrapure water tank is used for storing ultrapure water. The terminal filtering system is used for being connected with a water point, and possible impurities introduced in the storage process can be removed by further filtering before use, so that the water quality can be ensured to meet the requirement.
The water yield of the existing manufacturing process is generally 60% -80%, a large amount of wastewater can be generated, and the wastewater directly flows into a sewage treatment station through an underground drainage system. The wastewater contains more impurities, but the cleanliness is far higher than that of common wastewater, and the common wastewater is directly discharged to an underground drainage system, so that the waste of water resources is caused, and meanwhile, the burden of sewage treatment is increased.
Disclosure of Invention
The utility model aims to provide an ultrapure water preparation and wastewater recycling system for preparing ultrapure water and recycling discharged wastewater, so that water resources are saved and the burden of wastewater treatment is reduced.
The technical method adopted by the utility model for achieving the purpose is as follows:
The ultrapure water preparation and wastewater recycling system comprises a raw water tank, a filtering unit, an RO reverse osmosis unit, an EDI unit, an ultrapure water tank and a wastewater recycling unit, wherein a water outlet of the raw water tank is connected with a water inlet of the filtering unit through a pipeline, a water outlet of the filtering unit is connected with a water inlet of the RO reverse osmosis unit through a pipeline, a first water outlet of the RO reverse osmosis unit is connected with a water inlet of the EDI unit through a pipeline, and a first water outlet of the EDI unit is connected with a water inlet of the ultrapure water tank through a pipeline; the second water outlet of the RO reverse osmosis unit is connected with the first port of the first three-way pipeline through a pipeline, the second water outlet of the EDI unit is connected with the second port of the first three-way pipeline through a pipeline, the third port of the first three-way pipeline is connected with the first port of the second three-way pipeline through a pipeline, the second port of the second three-way pipeline is connected with the water inlet of the wastewater recycling unit through a pipeline, and the third port of the second three-way pipeline is connected with the water inlet of the underground drainage system through a pipeline.
As a limitation: the RO reverse osmosis unit comprises a first-stage RO reverse osmosis device and a second-stage RO reverse osmosis device, wherein a first water outlet of the first-stage RO reverse osmosis device and a first water outlet of the second-stage RO reverse osmosis device are connected with a water inlet of the EDI unit through pipelines, a second water outlet of the first-stage RO reverse osmosis device is connected with a water inlet of the second-stage RO reverse osmosis device, and a second water outlet of the second-stage RO reverse osmosis device is connected with a first port of the first three-way pipeline through a pipeline.
As a limitation: the wastewater recycling unit comprises a CIP cleaning water tank, a second port of a second three-way pipeline is connected with a water inlet of the CIP cleaning water tank through a pipeline, a CIP cleaning switching electromagnetic valve is arranged on a pipeline between the second port of the second three-way pipeline and the water inlet of the CIP cleaning water tank, and a drainage switching electromagnetic valve is arranged on a pipeline between the third port of the second three-way pipeline and the water inlet of the underground drainage system.
As a further definition: the waste water recycling unit further comprises a frequency converter and a second booster pump, the second booster pump is arranged on a pipeline between the second port of the second three-way pipeline and the water inlet of the CIP cleaning water tank, and the second booster pump is electrically connected with the frequency converter.
As yet further definition: the CIP cleaning water tank and the ultrapure water tank are respectively provided with a liquid level meter.
As another definition: a first booster pump is connected to a pipeline between the water outlet of the filtering unit and the water inlet of the RO reverse osmosis unit; a pressure gauge is arranged on a pipeline between the first booster pump and the water outlet of the filtering unit, and an electromagnetic valve, a regulating valve, a check valve and the pressure gauge are sequentially arranged on a pipeline between the first booster pump and the water inlet of the RO reverse osmosis unit; a conductivity detector, a flowmeter, a pressure gauge and a ball valve are sequentially arranged on the pipeline between the first water outlet of the RO reverse osmosis unit and the water inlet of the EDI unit; a pressure gauge, a regulating valve and a rotameter are sequentially arranged on a pipeline between the second water outlet of the RO reverse osmosis unit and the first port of the first three-way pipeline; a pressure gauge, a ball valve and a float liquid water flowmeter are sequentially arranged on the pipeline between the second water outlet of the EDI unit and the second port of the first three-way pipeline; and a pressure gauge, a ball valve, a conductivity detector and a float liquid water flowmeter are arranged on the pipeline between the first water outlet of the EDI unit and the water inlet of the ultrapure water tank.
As yet another definition: the ultrapure water preparation and wastewater recycling system also comprises a PLC controller, wherein the PLC controller is respectively connected with the filtering unit, the RO reverse osmosis unit, the EDI unit, the ultrapure water tank and the electric control device in the wastewater recycling unit.
By adopting the scheme, compared with the prior art, the utility model has the following beneficial effects:
According to the ultrapure water preparation and wastewater recycling system provided by the utility model, the ultrapure water tank and the wastewater recycling unit are arranged, the RO reverse osmosis unit is communicated with the wastewater recycling unit, the RO reverse osmosis unit is communicated with the EDI unit, and the EDI unit is respectively communicated with the wastewater recycling unit and the ultrapure water tank, so that ultrapure water can be prepared, the discharged wastewater can be recycled, water resources are saved, and the burden of wastewater treatment is reduced; the switching of the wastewater drainage mode is realized by setting a CIP cleaning switching electromagnetic valve and a drainage switching electromagnetic valve; the frequency converter and the second booster pump are arranged, so that the water outlet pressure of the wastewater discharged to the CIP cleaning water tank is increased, and the water outlet pressure is stabilized; by arranging the PLC, centralized control and automatic control of the electric control devices in the system are realized.
The utility model is suitable for the preparation of ultrapure water and the recycling of wastewater.
Drawings
The utility model will be described in more detail below with reference to the accompanying drawings and specific examples.
FIG. 1 is a schematic diagram showing a construction of an ultrapure water production and wastewater reuse system according to an embodiment of the present utility model;
In the figure: 1. a raw water tank; 2. a filter tank; 3. a first booster pump; 4. a primary RO reverse osmosis unit; 5. a secondary RO reverse osmosis device; 6. an EDI water treatment device; 7. an ultrapure water tank; 8. an underground drainage system; 9. a second booster pump; 10. CIP washs water pitcher.
Detailed Description
The utility model is further described below in connection with the embodiments, but it will be understood by those skilled in the art that the utility model is not limited to the following embodiments, and any modifications and equivalent changes based on the specific embodiments of the utility model are within the scope of the claims.
Example ultrapure water preparation and wastewater reuse System
The ultra-pure water preparation and wastewater recycling system comprises a raw water tank 1, a filtering unit, an RO reverse osmosis unit, an EDI unit, an ultra-pure water tank 7, a wastewater recycling unit and a PLC (programmable logic controller), wherein the RO reverse osmosis unit comprises a primary RO reverse osmosis device 4 and a secondary RO reverse osmosis device 5, the wastewater recycling unit comprises a CIP cleaning water tank 10, a frequency converter and a second booster pump 9, and the second booster pump 9 is electrically connected with the frequency converter; the PLC is respectively connected with the electric control devices in the filtering unit, the RO reverse osmosis unit, the EDI unit, the ultrapure water tank 7 and the wastewater recycling unit, so that centralized control and automatic control of the electric control devices in the system are realized.
The water outlet of the raw water tank 1 is connected with the water inlet of the filtering unit through a pipeline, the water outlet of the filtering unit is connected with the water inlet of the first booster pump 3 through a pipeline, a pressure gauge is arranged on the pipeline between the water inlet of the first booster pump 3 and the water outlet of the filtering unit, the water outlet of the first booster pump 3 is connected with the water inlet of the first-stage RO reverse osmosis device 4 through a pipeline, and an electromagnetic valve, a regulating valve, a check valve and a pressure gauge are sequentially arranged on the pipeline between the water inlets of the first booster pump 3 and the first-stage RO reverse osmosis device 4; the first water outlet of the primary RO reverse osmosis device 4 and the first water outlet of the secondary RO reverse osmosis device 5 are connected with the water inlet of the EDI unit through pipelines, and a conductivity detector, a flowmeter, a pressure gauge and a ball valve are sequentially arranged on the pipelines between the first water outlet of the primary RO reverse osmosis device 4 and the first water outlet of the secondary RO reverse osmosis device 5 and the water inlet of the EDI unit; the second water outlet of the first-stage RO reverse osmosis device 4 is connected with the water inlet of the second-stage RO reverse osmosis device 5, the second water outlet of the second-stage RO reverse osmosis device 5 is connected with the first port of the first three-way pipeline through a pipeline, and a pressure gauge, a regulating valve and a rotameter are sequentially arranged on the pipeline between the second water outlet of the second-stage RO reverse osmosis device 5 and the first port of the first three-way pipeline; the first water outlet of the EDI unit is connected with the water inlet of the ultrapure water tank 7 through a pipeline, the second water outlet of the EDI unit is connected with the second port of the first three-way pipeline through a pipeline, a pressure gauge, a ball valve and a float liquid water flowmeter are sequentially arranged on the pipeline between the second water outlet of the EDI unit and the second port of the first three-way pipeline, and the pressure gauge, the ball valve, the conductivity detector and the float liquid water flowmeter are arranged on the pipeline between the first water outlet of the EDI unit and the water inlet of the ultrapure water tank 7; the third port of the first three-way pipeline is connected with the first port of the second three-way pipeline through a pipeline, the second port of the second three-way pipeline is connected with the water inlet of the CIP cleaning water tank 10 through a pipeline, a CIP cleaning switching electromagnetic valve and a second booster pump 9 are sequentially arranged on the pipeline between the second port of the second three-way pipeline and the water inlet of the CIP cleaning water tank 10, and a drainage switching electromagnetic valve is arranged on the pipeline between the third port of the second three-way pipeline and the water inlet of the underground drainage system 8; the water outlet of the ultrapure water tank 7 is connected with the steam generator inlet through a pipeline, and a ball valve, a booster pump, a pressure gauge, a check valve, a ball valve and a butterfly valve are sequentially arranged on the pipeline between the water outlet of the ultrapure water tank 7 and the steam generator inlet.
In the embodiment, the filtering unit is a filtering tank 2, the EDI unit is an EDI water processor 6, and the CIP cleaning water tank 10 and the ultrapure water tank 7 are respectively provided with a liquid level meter.
When the ultrapure water preparation and wastewater recycling system works, water in a raw water tank 1 is filtered through a filtering tank 2 and then pressurized through a first booster pump 3, then sequentially enters a first-stage RO reverse osmosis device 4 and a second-stage RO reverse osmosis device 5 for reverse osmosis, water with qualified conductivity enters an EDI water processor 6 for further removing ions in the water, ultrapure water treated through the EDI water processor 6 and qualified in conductivity enters an ultrapure water tank 7, wastewater with unqualified conductivity after reverse osmosis treatment through the first-stage RO reverse osmosis device 4 and the second-stage RO reverse osmosis device 5 and unqualified conductivity after treatment through the EDI water processor 6 are converged into a second three-way pipeline through a first three-way pipeline, and the discharge of the wastewater to a CIP cleaning water tank 10 and/or an underground drainage system 8 is controlled by controlling the switching of a CIP cleaning switching electromagnetic valve and a drainage switching electromagnetic valve; ultrapure water in the ultrapure water tank 7 enters a steam generator for use, and wastewater in the CIP cleaning water tank 10 enters a CIP cleaning system for use.
Claims (7)
1. The ultrapure water preparation and wastewater recycling system is characterized by comprising a raw water tank, a filtering unit, an RO reverse osmosis unit, an EDI unit, an ultrapure water tank and a wastewater recycling unit, wherein a water outlet of the raw water tank is connected with a water inlet of the filtering unit through a pipeline, a water outlet of the filtering unit is connected with a water inlet of the RO reverse osmosis unit through a pipeline, a first water outlet of the RO reverse osmosis unit is connected with a water inlet of the EDI unit through a pipeline, and a first water outlet of the EDI unit is connected with a water inlet of the ultrapure water tank through a pipeline; the second water outlet of the RO reverse osmosis unit is connected with the first port of the first three-way pipeline through a pipeline, the second water outlet of the EDI unit is connected with the second port of the first three-way pipeline through a pipeline, the third port of the first three-way pipeline is connected with the first port of the second three-way pipeline through a pipeline, the second port of the second three-way pipeline is connected with the water inlet of the wastewater recycling unit through a pipeline, and the third port of the second three-way pipeline is connected with the water inlet of the underground drainage system through a pipeline.
2. The ultrapure water preparation and wastewater recycling system according to claim 1, wherein the RO reverse osmosis unit comprises a primary RO reverse osmosis device and a secondary RO reverse osmosis device, the first water outlet of the primary RO reverse osmosis device and the first water outlet of the secondary RO reverse osmosis device are connected with the water inlet of the EDI unit through pipelines, the second water outlet of the primary RO reverse osmosis device is connected with the water inlet of the secondary RO reverse osmosis device, and the second water outlet of the secondary RO reverse osmosis device is connected with the first port of the first three-way pipeline through a pipeline.
3. The ultrapure water preparation and wastewater recycling system according to claim 1, wherein the wastewater recycling unit comprises a CIP cleaning water tank, a second port of the second three-way pipeline is connected with a water inlet of the CIP cleaning water tank through a pipeline, a CIP cleaning switching electromagnetic valve is arranged on a pipeline between the second port of the second three-way pipeline and the water inlet of the CIP cleaning water tank, and a drainage switching electromagnetic valve is arranged on a pipeline between a third port of the second three-way pipeline and the water inlet of the underground drainage system.
4. The ultrapure water preparation and wastewater reclamation system as recited in claim 3, wherein the wastewater reclamation unit further comprises a frequency converter and a second booster pump, the second booster pump is arranged on a pipeline between a second port of the second three-way pipeline and a water inlet of the CIP cleaning water tank, and the second booster pump is electrically connected with the frequency converter.
5. A ultrapure water preparation and wastewater reclamation system as recited in claim 3, wherein the CIP cleaning water tank and the ultrapure water tank are provided with liquid level gauges.
6. The ultrapure water preparation and wastewater recycling system according to claim 1, wherein a first booster pump is connected to a pipeline between the water outlet of the filtering unit and the water inlet of the RO reverse osmosis unit; a pressure gauge is arranged on a pipeline between the first booster pump and the water outlet of the filtering unit, and an electromagnetic valve, a regulating valve, a check valve and the pressure gauge are sequentially arranged on a pipeline between the first booster pump and the water inlet of the RO reverse osmosis unit; a conductivity detector, a flowmeter, a pressure gauge and a ball valve are sequentially arranged on the pipeline between the first water outlet of the RO reverse osmosis unit and the water inlet of the EDI unit; a pressure gauge, a regulating valve and a rotameter are sequentially arranged on a pipeline between the second water outlet of the RO reverse osmosis unit and the first port of the first three-way pipeline; a pressure gauge, a ball valve and a float liquid water flowmeter are sequentially arranged on the pipeline between the second water outlet of the EDI unit and the second port of the first three-way pipeline; and a pressure gauge, a ball valve, a conductivity detector and a float liquid water flowmeter are arranged on a pipeline between the first water outlet of the EDI unit and the water inlet of the ultrapure water tank.
7. The ultrapure water production and wastewater reclamation system as recited in any one of claims 1 to 6, further comprising a PLC controller connected to the electric control devices in the filtration unit, the RO reverse osmosis unit, the EDI unit, the ultrapure water tank and the wastewater reclamation unit, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322105086.1U CN220907305U (en) | 2023-08-07 | 2023-08-07 | Ultrapure water preparation and wastewater recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322105086.1U CN220907305U (en) | 2023-08-07 | 2023-08-07 | Ultrapure water preparation and wastewater recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220907305U true CN220907305U (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322105086.1U Active CN220907305U (en) | 2023-08-07 | 2023-08-07 | Ultrapure water preparation and wastewater recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220907305U (en) |
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2023
- 2023-08-07 CN CN202322105086.1U patent/CN220907305U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 050000 No. 68 stone Copper Road, Hebei, Shijiazhuang Patentee after: Junlebao Dairy Group Co.,Ltd. Country or region after: China Address before: 050000 No. 68 stone Copper Road, Hebei, Shijiazhuang Patentee before: JUNLEBAO Dairy Group Co.,Ltd. Country or region before: China |