Ultrapure water supply system

Abstract

The utility model discloses an ultrapure water supply system which comprises a raw water filtering system and a pure water filtering system, the raw water filtering system comprises a raw water tank, a quartz sand filter, an activated carbon filter, a security filter and an RO (reverse osmosis) system which are sequentially connected through pipelines, and the RO system is connected with the quartz sand filter. The pure water filtering system comprises a pure water tank, a 1 [mu] m filter, an EDI device, a mixed bed, a UV lamp processor and a final filter, the RO system is connected with the pure water tank through a pipeline, the pure water tank, the 1 [mu] m filter, the EDI device, the mixed bed, the UV lamp processor and the final filter are sequentially connected through pipelines, and the EDI device is connected with the raw water tank through a pipeline. Therefore, raw water such as tap water and the like can be changed into ultrapure water to be supplied by using the ultrapure water supply device.

Description

Technical Field

[0001] The utility model relates to the field of chemical industry, in particular to an ultrapure water supply system. Background Art

[0002] Ultrapure water, also known as UP water, refers to water with a resistivity of 18 MΩ*cm (25°C). This water contains almost no impurities except water molecules, that is, water from which almost all atoms except oxygen and hydrogen have been removed. Ultrapure water is often used in the production of high-purity chemicals used in industries such as electronic semiconductors, chips, liquid crystal panels, high-performance lithium batteries and automobiles to reduce impurities in the chemicals produced.

[0003] Nowadays, the water source that people can directly and easily obtain is often tap water. The conversion of tap water into ultrapure water often requires multiple treatments, and people often hope that the supply of ultrapure water can meet processing needs. Therefore, designing a reliable system that can reliably convert tap water into ultrapure water and can easily adjust the supply of ultrapure water is an urgent need in the chemical industry. Utility Model Content

[0004] The purpose of the utility model is to provide an ultrapure water supply system, which can solve one or more of the above problems.

[0005] According to one aspect of the utility model, an ultrapure water supply system is provided, comprising a raw water filtration system and a pure water filtration system.

[0006] The raw water filtration system includes a raw water tank, a quartz sand filter, an activated carbon filter, a security filter and an RO system, and the raw water tank, the quartz sand filter, the activated carbon filter, the security filter and the RO system are connected in sequence through pipelines.

[0007] The pure water filtration system comprises a pure water tank, a 1 μm filter, an EDI device, a mixed bed, a UV lamp processor and a final filter, the RO system is connected to the pure water tank through a pipeline, the pure water tank, the 1 μm filter, the EDI device, the mixed bed, the UV lamp processor and the final filter are connected in sequence through pipelines, and the EDI device is connected to the raw water tank through a pipeline.

[0008] The beneficial effects of the utility model are as follows: in the utility model, the raw water filtration system can be used to filter raw water such as tap water, so that the raw water can be converted into pure water, and the pure water filtration system can be used to filter pure water, so that the pure water can be converted into ultrapure water. Therefore, by using the utility model, raw water such as tap water can be converted into ultrapure water for supply, and an EDI device is provided, which can facilitate the control of the supply timing and supply amount. Even if it is considered that the purity of the pure water is insufficient, the water can be returned to the raw water tank for treatment. It has strong practicality and reliability.

[0009] In some embodiments, the raw water filtration system includes a raw water pump and a high-pressure pump, the pipeline between the raw water tank and the quartz sand filter passes through the raw water pump, and the pipeline between the security filter and the RO system passes through the high-pressure pump. The setting of the raw water pump can conveniently control the timing of raw water entering the quartz sand filter from the raw water tank, and the setting of the high-pressure pump can conveniently control the timing of raw water entering the RO system from the security filter.

[0010] In some embodiments, the raw water filtration system includes a PAC medicine box and a dosing pump, the dosing pump is connected to the PAC medicine box, and the dosing pump is connected to the pipeline between the raw water tank and the quartz sand filter. By providing the dosing pump and the PAC medicine box, it is convenient to add medicine to the raw water when needed to achieve the functions of disinfecting the raw water.

[0011] In some embodiments, the raw water filtration system includes a first conductor connected to a pipe between the activated carbon filter and the security filter. The first conductor can be provided to conveniently improve the conductivity of water entering the security filter.

[0012] In some embodiments, the raw water filtration system includes a second conductor, which is connected to a pipeline between the RO system and the pure water tank. The second conductor can be provided to conveniently improve the conductivity of water entering the pure water tank.

[0013] In some embodiments, the pure water filtration system includes an EDI pump, and the pipeline between the pure water tank and the 1 μm filter passes through the EDI pump. The EDI pump can conveniently control the timing of pure water entering the 1 μm filter from the pure water tank.

[0014] In some embodiments, the pure water filtration system includes a circulation pipeline, which connects the pure water tank and the final filter. The circulation pipeline can facilitate the water filtered by the final filter to flow back to the pure water tank for another filtration process to further ensure its purity.

[0015] In some embodiments, the raw water filtration system includes a tap water valve connected to a raw water tank, and the pure water filtration system includes a water outlet valve connected to a final filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of an ultrapure water supply system according to an embodiment of the present invention.

[0017] Figure 2 A schematic diagram of a raw water filtration system of an ultrapure water supply system according to an embodiment of the present invention.

[0018] Figure 3 A schematic diagram of a pure water filtration system of an ultrapure water supply system according to an embodiment of the present invention.

[0019] In the figure: 1. Raw water filtration system, 2. Pure water filtration system, 11. Raw water tank, 12. Quartz sand filter, 13. Activated carbon filter, 14. Security filter, 15. RO system, 16. Tap water valve, 17. Raw water pump, 18. High pressure pump, 19. PAC medicine box, 110. Dosing pump, 120. First conductivity device, 130. Second conductivity device, 21. Pure water tank, 22. 1μm filter, 23. EDI device, 24. Mixed bed, 25. UV lamp processor, 26. Final filter, 27. EDI pump, 28. Circulation pipeline, 29. Outlet valve. DETAILED DESCRIPTION

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] refer to Figure 1 , Figure 2 and Figure 3 The utility model discloses an ultrapure water supply system, which includes a raw water filtration system 1 and a pure water filtration system 2.

[0022] The raw water filtration system 1 includes a raw water tank 11 , a quartz sand filter 12 , an activated carbon filter 13 , a security filter 14 and an RO system 15 .

[0023] The RO system 15 is a reverse osmosis system. The raw water tank 11, the quartz sand filter 12, the activated carbon filter 13, the security filter 14 and the RO system 15 are connected in sequence through pipelines.

[0024] The raw water filtration system 1 also includes a tap water valve 16 , which is connected to the raw water tank 11 via a pipeline, and is also connected to a tap water source via a pipeline, so that the tap water source can supply tap water into the raw water tank 11 through the tap water valve 16 .

[0025] The raw water filtration system 1 further includes a raw water pump 17 and a high pressure pump 18. The raw water pump 17 passes through the pipeline between the raw water tank 11 and the quartz sand filter 12, so that the raw water pump 17 can control the water supply from the raw water tank 11 to the quartz sand filter 12.

[0026] A high-pressure pump 18 is passed through the pipeline between the security filter 14 and the RO system 15 , so that the high-pressure pump 18 can control the amount of water supplied from the security filter 14 to the RO system 15 .

[0027] The raw water filtration system 1 further includes a PAC medicine box 19 and a dosing pump 110. The dosing pump 110 and the PAC medicine box 19 are connected through a pipeline, and the dosing pump 110 is connected to the pipeline between the raw water tank 11 and the quartz sand filter 12. The PAC medicine box 19 can be loaded with medicines, and the dosing pump 110 can transport the medicines in the PAC medicine box 19 to the water in the above pipeline to sterilize and disinfect the water in the above pipeline.

[0028] The raw water filtration system 1 further comprises a first conductor 120 , which is connected to the pipeline between the activated carbon filter 13 and the security filter 14 . The first conductor 120 can improve the conductivity of water in the pipeline.

[0029] The raw water filtration system 1 further includes a second conductor 130 , which is connected to a pipeline between the RO system 15 and the pure water tank 21 . The second conductor 130 can improve the conductivity of water in the pipeline.

[0030] The pure water filtration system 2 includes a pure water tank 21 , a 1 μm filter 22 , an EDI device 23 , a mixed bed 24 , a UV lamp processor 25 and a final filter 26 .

[0031] The RO system 15 is connected to the pure water tank 21 through a pipeline. The pure water tank 21, the 1μm filter 22, and the EDI device 23 are electrodeionization devices. The EDI device 23, the mixed bed 24, the UV lamp processor 25 and the final filter 26 are connected in sequence through pipelines. The EDI device 23 is also connected to the raw water tank 11 through a pipeline.

[0032] The pure water filtration system 2 further includes an EDI pump 27 , and a pipeline between the pure water tank 21 and the 1 μm filter 22 passes through the EDI pump 27 , so that the EDI pump 27 can control the amount of water supplied from the pure water tank 21 and the 1 μm filter 22 .

[0033] The pure water filtration system 2 further includes a circulation pipe 28 , one end of which is connected to the pure water tank 21 , and the other end of which is connected to the final filter 26 .

[0034] The pure water filtration system 2 further includes a water outlet valve 29 , which is connected to the final filter 26 via a pipeline.

[0035] In the present invention, the tap water valve 16 can be connected to an external tap water supply device, so that the external tap water can be processed by the raw water filtration system 1 to form pure water, and then processed by the pure water filtration system 2 to form ultrapure water to realize the supply of ultrapure water.

[0036] Moreover, operators can control the operation of each valve through the central control room operating system, so as to facilitate the adjustment of the supply volume. The central control room operating system can also be directly operated through electronic products such as tablets, which is easy to use and efficient.

[0037] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. An ultrapure water supply system, characterized in that: Including raw water filtration system and pure water filtration system, The raw water filtration system includes a raw water tank, a quartz sand filter, an activated carbon filter, a security filter and an RO system, and the raw water tank, the quartz sand filter, the activated carbon filter, the security filter and the RO system are connected in sequence through pipelines. The pure water filtration system comprises a pure water tank, a 1 μm filter, an EDI device, a mixed bed, a UV lamp processor and a final filter, the RO system is connected to the pure water tank through a pipeline, the pure water tank, the 1 μm filter, the EDI device, the mixed bed, the UV lamp processor and the final filter are connected in sequence through pipelines, and the EDI device is connected to the raw water tank through a pipeline.

2. The ultrapure water supply system according to claim 1, characterized in that: The raw water filtration system includes a raw water pump and a high-pressure pump. The pipeline between the raw water tank and the quartz sand filter passes through the raw water pump, and the pipeline between the security filter and the RO system passes through the high-pressure pump.

3. The ultrapure water supply system according to claim 1, characterized in that: The raw water filtration system comprises a PAC medicine box and a dosing pump, wherein the dosing pump is connected to the PAC medicine box, and the dosing pump is connected to a pipeline between the raw water tank and the quartz sand filter.

4. The ultrapure water supply system according to claim 1, characterized in that: The raw water filtration system comprises a first conductor, which is connected to a pipeline between the activated carbon filter and the security filter.

5. The ultrapure water supply system according to claim 1, characterized in that: The raw water filtration system includes a second conductor connected to a pipeline between the RO system and the pure water tank.

6. The ultrapure water supply system according to claim 1, characterized in that: The pure water filtration system comprises an EDI pump, and a pipeline between the pure water tank and the 1 μm filter passes through the EDI pump.

7. The ultrapure water supply system according to claim 1, characterized in that: The pure water filtration system comprises a circulation pipeline, which connects the pure water tank and the final filter.

8. The ultrapure water supply system according to claim 1, characterized in that: The raw water filtration system comprises a tap water valve, which is connected to a raw water tank; the pure water filtration system comprises a water outlet valve, which is connected to a final filter.

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