CN213537483U - Laboratory ultrapure water machine with multistage purification and filtration functions - Google Patents
Laboratory ultrapure water machine with multistage purification and filtration functions Download PDFInfo
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- CN213537483U CN213537483U CN202022386794.3U CN202022386794U CN213537483U CN 213537483 U CN213537483 U CN 213537483U CN 202022386794 U CN202022386794 U CN 202022386794U CN 213537483 U CN213537483 U CN 213537483U
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Abstract
The utility model discloses a laboratory ultra-pure water machine with multi-stage purification and filtration functions, which comprises a shell and water purifying equipment arranged in the shell, wherein the water purifying equipment comprises a pretreatment device, a reverse osmosis membrane treatment device and a later stage ultra-purification device; the pretreatment device comprises a PP cotton filter, an activated carbon filter, a KDF composite filter and an ultrafiltration membrane filter which are sequentially communicated through a pipeline, and a water inlet on the shell is communicated with a water inlet end of the PP cotton filter; the reverse osmosis membrane treatment device comprises a reverse osmosis membrane treatment device and a pure water tank, wherein the water outlet end of the ultrafiltration membrane filter is communicated with the water inlet end of the reverse osmosis membrane treatment device, and the water outlet end of the reverse osmosis membrane treatment device is communicated with the water inlet end of the pure water tank; the later-stage ultra-purification device comprises an EDI treatment device, a disinfection and sterilization device and an ultra-purification system which are sequentially communicated through pipelines, the water outlet end of the pure water tank is communicated with the water inlet end of the EDI treatment device, and the water outlet end of the ultra-purification system is communicated with the water outlet on the shell.
Description
Technical Field
The utility model relates to an ultrapure water machine technical field, concretely relates to laboratory ultrapure water machine with multi-stage purification filtering capability.
Background
At present, ultrapure water is one of indispensable and very important basic raw materials in modern industry, has very wide application in the fields of electronics, electric power, chemistry, medicine, biology, information and the like, and has higher requirement on the water quality of the ultrapure water in laboratories in various fields. The laboratory ultrapure water machine is a water purification device for a laboratory, and is a water treatment device for removing all solid impurities, salt, bacteria, viruses and the like in water by methods such as filtration, reverse osmosis, ultraviolet sterilization and the like.
However, the existing laboratory ultrapure water machine can only remove part of impurities and salt in tap water, has limited water purification effect, cannot meet the water use standard of high-end experimental ultrapure water, and has insufficient tap water treatment in the pretreatment link, so that the subsequent reverse osmosis treatment is heavy in operation burden, the membrane replacement frequency is high, and the operation cost is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the above-mentioned background art, the utility model provides a laboratory ultrapure water machine with multi-stage purification filtering capability, it adopts the stage treatment mode, and full play at different levels can reach optimum filtration state separately, carries out purification treatment to the running water step by step, has guaranteed that play water quality of water satisfies high-end experimental requirement, can furthest extension consumptive material's life simultaneously again.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a laboratory ultra-pure water machine with multi-stage purification and filtration functions, which comprises a shell and water purifying equipment arranged in the shell, wherein the water purifying equipment comprises a pretreatment device, a reverse osmosis membrane treatment device and a later stage ultra-purification device; the pretreatment device comprises a PP cotton filter, an activated carbon filter, a KDF composite filter and an ultrafiltration membrane filter which are sequentially communicated through a pipeline, and a water inlet in the shell is communicated with a water inlet end of the PP cotton filter; the reverse osmosis membrane treatment device comprises a reverse osmosis membrane treatment device and a pure water tank, wherein the water outlet end of the ultrafiltration membrane filter is communicated with the water inlet end of the reverse osmosis membrane treatment device, and the water outlet end of the reverse osmosis membrane treatment device is communicated with the water inlet end of the pure water tank; the post-stage ultra-purification device comprises an EDI treatment device, a disinfection and sterilization device and an ultra-purification system which are sequentially communicated through pipelines, the water outlet end of the pure water tank is communicated with the water inlet end of the EDI treatment device, and the water outlet end of the ultra-purification system is communicated with the water outlet on the shell.
The improved reverse osmosis membrane treatment device is characterized in that the reverse osmosis membrane treatment device comprises a plurality of reverse osmosis membrane assemblies which are communicated in sequence, and a booster pump is arranged on a water inlet pipeline of each reverse osmosis membrane assembly.
In a further improvement, the concentrated water outlet of the reverse osmosis membrane module is communicated with the waste water port on the shell through a waste water pipe.
The further improvement is that a water quality sensor, a micro filter and a water taking electromagnetic valve are sequentially arranged on a water outlet pipeline of the ultra-purification system.
In a further improvement, the micro-filter is a 0.22 μm micro-filter.
The further improvement is that an EDI water supply pump is arranged on a pipeline between the pure water tank and the EDI processing device.
In a further improvement, the disinfection and sterilization device is an ultraviolet digestion unit.
The improvement is that a water inlet electromagnetic valve is arranged on a pipeline between the ultrafiltration membrane filter and the reverse osmosis membrane processor.
Compared with the prior art, the utility model discloses following beneficial effect has:
the laboratory ultra-pure water machine of the utility model strengthens the treatment of the pretreatment part according to the characteristics of the tap water, the running water is fully filtered and adsorbed by a PP cotton filter, an activated carbon filter, a KDF composite filter and an ultrafiltration membrane filter in the pretreatment device, the operation burden of a subsequent treatment device is reduced, the reverse osmosis membrane treatment device part adopts a multi-stage reverse osmosis process, pure water produced by reverse osmosis treatment is superior to a three-stage water standard, the pure water is subjected to subsequent purification treatment by an EDI treatment device, a disinfection and sterilization device and an ultra-purification system in a post-stage ultra-purification device, the mode that it adopted the purification filtration equipment of different materials, different characteristics to carry out the hierarchical processing, each performance of full play at different levels reaches the optimum filtration state, carries out purification treatment to the running water step by step, has guaranteed that play water quality of water satisfies high-end experimental requirement, can furthest extension the life of consumptive material simultaneously.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the connection structure of the internal components of the laboratory ultrapure water machine of the present invention;
wherein, the specific reference numbers are: the device comprises a water inlet 1, a PP cotton filter 2, an activated carbon filter 3, a KDF composite filter 4, an ultrafiltration membrane filter 5, a water inlet electromagnetic valve 6, a booster pump 7, a primary reverse osmosis membrane component 8, a secondary reverse osmosis membrane component 9, a wastewater port 10, a pure water tank 11, an EDI water supply pump 12, an EDI treatment device 13, a disinfection and sterilization device 14, an ultra-purification system 15, a water quality sensor 16, a micro-filter 17, a water intake electromagnetic valve 18 and a water outlet 19.
Detailed Description
The embodiment of the utility model discloses a laboratory ultrapure water machine with multi-stage purification and filtration functions, as shown in figure 1, comprising a shell and water purification equipment arranged in the shell, wherein the water purification equipment comprises a pretreatment device, a reverse osmosis membrane treatment device and a later stage ultra-purification device; the pretreatment device comprises a PP cotton filter 2, an activated carbon filter 3, a KDF composite filter 4 and an ultrafiltration membrane filter 5 which are sequentially communicated through a pipeline, and a water inlet 1 on the shell is communicated with a water inlet end of the PP cotton filter 2; the reverse osmosis membrane treatment device comprises a reverse osmosis membrane treatment device and a pure water tank 11, wherein the water outlet end of the ultrafiltration membrane filter 5 is communicated with the water inlet end of the reverse osmosis membrane treatment device, a water inlet electromagnetic valve 6 is arranged on a pipeline between the ultrafiltration membrane filter 5 and the reverse osmosis membrane treatment device, and the water outlet end of the reverse osmosis membrane treatment device is communicated with the water inlet end of the pure water tank 11; the reverse osmosis membrane processor comprises a plurality of reverse osmosis membrane assemblies which are sequentially communicated, a booster pump 7 is arranged on a water inlet pipeline of each reverse osmosis membrane assembly, a concentrated water outlet of each reverse osmosis membrane assembly is communicated with a waste water port 10 on the shell through a waste water pipe, and the reverse osmosis membrane processor comprises two reverse osmosis membrane assemblies which are mutually connected in parallel, namely a first-stage reverse osmosis membrane assembly 8 and a second-stage reverse osmosis membrane assembly 9; the post-stage ultra-purification device comprises an EDI treatment device 13, a disinfection and sterilization device 14 and an ultra-purification system 15 which are sequentially communicated through a pipeline, the water outlet end of the pure water tank 11 is communicated with the water inlet end of the EDI treatment device 13, an EDI water supply pump 12 is installed on the pipeline between the pure water tank 11 and the EDI treatment device 13, and the water outlet end of the ultra-purification system 15 is communicated with a water outlet 19 on the shell; in this embodiment, the disinfection and sterilization apparatus 14 adopts an ultraviolet digestion unit to degrade TOC (total organic carbon) in tap water and sterilize, wherein a water quality sensor 16, a micro-filter 17 and a water intake solenoid valve 18 are sequentially arranged on a water outlet pipeline of the ultra-purification system 15, and the micro-filter 17 is a 0.22 μm micro-filter.
According to the characteristics of tap water, the laboratory ultra-pure water machine strengthens the treatment of a pretreatment part, and fully filters and adsorbs the tap water through a PP cotton filter 2, an activated carbon filter 3, a KDF composite filter 4 and an ultrafiltration membrane filter 5 in a pretreatment device, so that the operation burden of a subsequent treatment device is reduced; wherein, the PP cotton filter 2 filters out impurities, slurry and other coarse granular substances in water; the activated carbon filter 3 adsorbs and removes organic matters, residual chlorine and the like in the tap water; the KDF composite filter 4 can remove heavy metals and acid radical ions in tap water, improve the activation degree of water, further adsorb residual chlorine and inhibit the growth of bacteria; the ultrafiltration membrane filter 5 can filter organic matters, microorganisms, heat sources and the like in tap water; the water after the preliminary filtration and adsorption treatment meets the water inlet requirement of a reverse osmosis system, the water enters a reverse osmosis membrane treatment device and is subjected to reverse osmosis filtration treatment by a multi-stage reverse osmosis membrane module, and the produced pure water is stored in a pure water tank 11; the pure water in the pure water tank 11 is subjected to subsequent purification treatment by a later-stage ultra-purification device, the deionized water is subjected to electrodeionization treatment by an EDI treatment device 13, the generated deionized water enters a disinfection and sterilization device 14 to be subjected to TOC degradation and sterilization, and then enters an ultra-purification system 15 internally provided with a precise ultra-pure water column and a nuclear-grade ultra-pure water column to be subjected to ion exchange to produce ultra-pure water, a water quality sensor 16 is used for detecting the water quality resistivity, and finally the deionized water enters a micro-filter 17 to be subjected to bacteria and microbial filtration (because the ultra-pure system 15 has the possibility of growing bacteria), and finally the ultra-pure water suitable for the experiment can be taken out from a water.
The working principle is as follows:
the laboratory ultrapure water machine boiled water supplies power, the start-up enters the operating condition, the water inlet electromagnetic valve 6 is opened, the booster pump 7 is started, the tap water enters from the water inlet 1, after the filtration treatment of the PP cotton filter 2, the activated carbon filter 3, the KDF composite filter 4 and the ultrafiltration membrane filter 5 layer by layer, the tap water enters the booster pump 7, after the pressurization of the booster pump 7, the tap water enters the first-stage reverse osmosis membrane component 8, the produced wastewater is discharged from the wastewater outlet 10, the produced pure water enters the second-stage reverse osmosis membrane component 9 after the pressurization of the booster pump 7, the produced pure water enters the pure water tank 11 for storage, the produced wastewater is discharged from the wastewater outlet 10, and the pure water tank.
When ultrapure water is needed to be taken, the water taking function is started, the water taking electromagnetic valve 18 is opened, meanwhile, the EDI water supply pump 12 is started, the EDI treatment device 13 and the disinfection and sterilization device 14 are started, an ultraviolet lamp tube in the disinfection and sterilization device 14 is lightened, the pure water is conveyed from the pure water tank 11 to the EDI treatment device 13 through the EDI water supply pump 12 for deionization treatment, the produced deionized water enters the disinfection and sterilization device 14 for TOC degradation and sterilization, and then enters the ultrapure water treatment system 15 for ion exchange to produce ultrapure water, the ultrapure water quality condition is monitored through the water quality sensor 16, bacteria and microorganism filtration is carried out through the microfilter 17 with the diameter of 0.22 mu m, the ultrapure water at the moment completely meets the requirements of various experiments, and is taken out from the water outlet 19 through the. After the water is taken, the water taking function is closed, the water taking electromagnetic valve 18 is closed, the EDI water supply pump 12 stops working, and the EDI processing device 13 and the disinfection and sterilization device 14 are powered off.
The utility model provides an it adopts different materials of laboratory ultrapure water machine, the purification filter equipment of different characteristics carries out the mode of hierarchical processing, full play at different levels can reach the optimal filtration state separately, carry out purification treatment to the running water step by step, it satisfies high-end experimental requirement to have guaranteed water quality of water outlet, the life of consumptive material can be prolonged to furthest again simultaneously, the running cost is also optimal, the ultrapure water that produces through multistage purification filtration treatment reaches the experiment water requirement completely, no matter is inorganic matter content, organic matter content, bacteria, microorganism etc., all reach ultrapure water standard requirement completely.
It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.
Claims (8)
1. A laboratory ultra-pure water machine with a multi-stage purification and filtration function is characterized by comprising a shell and a water purifying device arranged in the shell, wherein the water purifying device comprises a pretreatment device, a reverse osmosis membrane treatment device and a post-stage ultra-purification device; the pretreatment device comprises a PP cotton filter, an activated carbon filter, a KDF composite filter and an ultrafiltration membrane filter which are sequentially communicated through a pipeline, and a water inlet in the shell is communicated with a water inlet end of the PP cotton filter; the reverse osmosis membrane treatment device comprises a reverse osmosis membrane treatment device and a pure water tank, wherein the water outlet end of the ultrafiltration membrane filter is communicated with the water inlet end of the reverse osmosis membrane treatment device, and the water outlet end of the reverse osmosis membrane treatment device is communicated with the water inlet end of the pure water tank; the post-stage ultra-purification device comprises an EDI treatment device, a disinfection and sterilization device and an ultra-purification system which are sequentially communicated through pipelines, the water outlet end of the pure water tank is communicated with the water inlet end of the EDI treatment device, and the water outlet end of the ultra-purification system is communicated with the water outlet on the shell.
2. The laboratory ultrapure water machine with the multistage purification and filtration function as claimed in claim 1, wherein the reverse osmosis membrane processor comprises a plurality of reverse osmosis membrane modules which are sequentially communicated, and a booster pump is arranged on a water inlet pipeline of each reverse osmosis membrane module.
3. The laboratory ultrapure water machine with the multistage purification and filtration function according to claim 2, wherein the concentrated water outlet of the reverse osmosis membrane module is communicated with the waste water port on the housing through a waste water pipe.
4. The laboratory ultrapure water machine with the multistage purification and filtration function according to claim 1, wherein a water quality sensor, a micro filter and a water intake solenoid valve are sequentially arranged on the water outlet pipeline of the ultra-purification system.
5. The laboratory ultrapure water machine with multistage purification filtration function according to claim 4, wherein the microfilter is a 0.22 μm microfilter.
6. The laboratory ultrapure water machine having the multistage purification and filtration function according to claim 1, wherein an EDI water supply pump is installed on the piping between the pure water tank and the EDI treatment device.
7. The laboratory ultrapure water machine with the multistage purification and filtration function according to claim 1, wherein the disinfection and sterilization device is an ultraviolet digestion unit.
8. The laboratory ultrapure water machine with the multistage purification and filtration function according to claim 1, wherein a water inlet solenoid valve is installed on a pipeline between the ultrafiltration membrane filter and the reverse osmosis membrane processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022386794.3U CN213537483U (en) | 2020-10-23 | 2020-10-23 | Laboratory ultrapure water machine with multistage purification and filtration functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022386794.3U CN213537483U (en) | 2020-10-23 | 2020-10-23 | Laboratory ultrapure water machine with multistage purification and filtration functions |
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| Publication Number | Publication Date |
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| CN213537483U true CN213537483U (en) | 2021-06-25 |
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| CN202022386794.3U Active CN213537483U (en) | 2020-10-23 | 2020-10-23 | Laboratory ultrapure water machine with multistage purification and filtration functions |
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