CN213506369U - Laboratory ultra-pure water machine with function of preparing different water qualities - Google Patents
Laboratory ultra-pure water machine with function of preparing different water qualities Download PDFInfo
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- CN213506369U CN213506369U CN202022384364.8U CN202022384364U CN213506369U CN 213506369 U CN213506369 U CN 213506369U CN 202022384364 U CN202022384364 U CN 202022384364U CN 213506369 U CN213506369 U CN 213506369U
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Abstract
The utility model discloses a laboratory ultrapure water machine with the function of preparing different water qualities, which comprises a shell and a water purifying device arranged in the shell, wherein the water purifying device comprises a pretreatment unit, a reverse osmosis membrane treatment unit and a later-stage ultrapure unit which are sequentially communicated; the reverse osmosis membrane treatment unit comprises a plurality of reverse osmosis membrane assemblies which are sequentially communicated, pure water tanks are respectively communicated on pipelines at the water outlet ends of the reverse osmosis membrane assemblies, and the pure water tanks are respectively communicated with corresponding reverse osmosis pure water outlets on the shell through pipelines; the later-stage ultra-purification unit comprises an EDI module, an ultra-purification system and a micro-filter, wherein the water outlet end of the EDI module is communicated with the EDI deionized water outlet on the shell and the water inlet end of the ultra-purification system through pipelines respectively, the water outlet end of the ultra-purification system is communicated with the ultra-pure water outlet on the shell and the water inlet end of the micro-filter through pipelines respectively, and the water outlet end of the micro-filter is communicated with the sterile ultra-pure water outlet on the shell through a pipeline.
Description
Technical Field
The utility model relates to an ultrapure water machine technical field, concretely relates to laboratory ultrapure water machine with prepare different quality of water functions.
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.
At present, a plurality of users have higher and higher requirements on water, the water with different water qualities is applied to different fields and is divided into more and more thin water, however, the existing laboratory ultra-pure water machine can only produce water with two specifications of pure water and ultra-pure water, and can not simultaneously produce water with various water qualities for different occasions, thereby meeting different requirements of users.
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 prepare different quality of water functions, its water that can prepare several kinds of different quality of water simultaneously is used for the user selection, has both satisfied user operation requirement, has improved ultrapure water machine's utilization ratio again, reaches optimum to ultrapure water machine's consumptive material utilization ratio, practices thrift the running cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a laboratory ultrapure water machine with the function of preparing different water qualities, which comprises a shell and a water purifying device arranged in the shell, wherein the water purifying device comprises a pretreatment unit, a reverse osmosis membrane treatment unit and a later-stage ultrapure unit, and a water inlet on the shell is communicated with a water inlet end of the pretreatment unit through a pipeline; the reverse osmosis membrane treatment unit comprises a plurality of reverse osmosis membrane assemblies which are sequentially communicated, pure water tanks are respectively communicated on pipelines at the water outlet ends of the reverse osmosis membrane assemblies and communicated with corresponding reverse osmosis pure water outlets on the shell through pipelines, and the reverse osmosis membrane assembly positioned at the foremost end is communicated with the water outlet end of the pretreatment unit through a pipeline; the later-stage ultra-purification unit comprises an EDI module, an ultra-purification system and a micro-filter, a pure water tank communicated with the water outlet end of the last reverse osmosis membrane component is communicated with the water inlet end of the EDI module through a pipeline, the water outlet end of the EDI module is communicated with the EDI deionized water outlet on the shell and the water inlet end of the ultra-purification system through pipelines respectively, the water outlet end of the ultra-purification system is communicated with the ultra-pure water outlet on the shell and the water inlet end of the micro-filter through pipelines respectively, and the water outlet end of the micro-filter is communicated with the sterile ultra-pure water outlet on the shell through a pipeline.
The improvement is that an EDI water inlet electromagnetic valve is arranged on a pipeline at the water inlet end of the EDI module, and water taking electromagnetic valves are arranged on a pipeline at the reverse osmosis pure water outlet, a pipeline at the EDI deionized water outlet, a pipeline at the ultrapure water outlet and a pipeline at the sterile ultrapure water outlet.
The further improvement is that a water quality sensor is arranged on a pipeline at the water outlet end of the ultra-purification system.
The further improvement is that the pipelines at the water inlet end of the reverse osmosis membrane module are provided with booster pumps.
In a further improvement, the reverse osmosis membrane treatment unit comprises two reverse osmosis membrane modules which are communicated with each other.
In a further improvement, the micro-filter is a 0.22 μm micro-filter.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses in according to ultrapure water machine's technological principle, get into ultrapure water machine with the running water and to becoming the different stages of dividing of this process of ultrapure water, prepare the water of 5 kinds of different quality of water according to the difference of each stage quality of water, including one-level reverse osmosis pure water, second grade reverse osmosis pure water, EDI deionized water, ultrapure water, aseptic ultrapure water, included all water conditions of present laboratory from wasing high-end experiment basically, the user can take the water of different quality of water according to different water demands, both satisfied user operation requirement, improved ultrapure water machine's utilization ratio again, consumable utilization ratio to ultrapure water machine reaches the optimum, practices thrift the running cost.
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: water inlet 1, PP cotton filter 2, activated carbon filter 3, KDF composite filter 4, ultrafiltration membrane filter 5, first-level reverse osmosis booster pump 6, first-level reverse osmosis membrane module 7, first-level reverse osmosis pure water tank 8, second-level reverse osmosis booster pump 9, second-level reverse osmosis membrane module 10, second-level reverse osmosis pure water tank 11, EDI water inlet solenoid valve 12, EDI module 13, ultrapure system 14, water quality sensor 15, microfilter 16, first-level reverse osmosis pure water outlet 17, second-level reverse osmosis pure water outlet 18, EDI deionized water outlet 19, ultrapure water outlet 20, sterile ultrapure water outlet 21, first-level reverse osmosis pure water inlet solenoid valve 22, second-level reverse osmosis pure water inlet solenoid valve 23, EDI deionized water inlet solenoid valve 24, ultrapure water inlet solenoid valve 25, sterile ultrapure water inlet solenoid valve 26.
Detailed Description
The embodiment of the utility model discloses a laboratory ultrapure water machine with the function of preparing different water qualities, which comprises a shell and a water purifying device arranged in the shell, wherein the water purifying device comprises a pretreatment unit, a reverse osmosis membrane treatment unit and a later-stage ultrapure purification unit; the pretreatment unit 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 in the shell is communicated with a water inlet end of the PP cotton filter 2;
the reverse osmosis membrane treatment unit comprises a plurality of reverse osmosis membrane components which are sequentially communicated, a pure water tank is respectively communicated on a pipeline at the water outlet end of the reverse osmosis membrane components, the pure water tank is respectively communicated with a corresponding reverse osmosis pure water outlet on the shell through a pipeline, the reverse osmosis membrane component positioned at the forefront end is communicated with the water outlet end of the ultrafiltration membrane filter 5 through a pipeline, the reverse osmosis membrane treatment unit in the embodiment comprises two reverse osmosis membrane components which are mutually communicated and respectively comprise a first-stage reverse osmosis membrane component 7 and a second-stage reverse osmosis membrane component 10, a first-stage reverse osmosis booster pump 6 and a second-stage reverse osmosis booster pump 9 are respectively arranged on the pipelines at the water inlet ends of the first-stage reverse osmosis membrane component 7 and the second-stage reverse osmosis membrane component 10, a first-stage reverse osmosis pure water tank 8 is arranged on, a second-stage reverse osmosis pure water tank 11 is arranged on a pipeline at the water outlet end of the second-stage reverse osmosis membrane component 10, and the second-stage reverse osmosis pure water tank 11 is communicated with a second-stage reverse osmosis pure water outlet 18 on the shell through a pipeline;
the later-stage ultra-pure unit comprises an EDI module 13, an ultra-pure system 14 and a micro-filter 16, a second-stage reverse osmosis pure water tank 11 is communicated with a water inlet end of the EDI module 13 through a pipeline, a water outlet end of the EDI module 13 is communicated with an EDI deionized water outlet 19 on the shell and a water inlet end of the ultra-pure system 14 through pipelines respectively, a water outlet end of the ultra-pure system 14 is communicated with an ultra-pure water outlet 20 on the shell and a water inlet end of the micro-filter 16 through pipelines respectively, a water outlet end of the micro-filter 16 is communicated with a sterile ultra-pure water outlet 21 on the shell through a pipeline, and a water quality sensor 15 is arranged on a pipeline at the water outlet end of the.
The pipeline at the water inlet end of the EDI module 13 is provided with an EDI water inlet electromagnetic valve 12, and the pipeline at the reverse osmosis pure water outlet, the pipeline at the EDI deionized water outlet 19, the pipeline at the ultrapure water outlet 20 and the pipeline at the sterile ultrapure water outlet 21 are provided with water taking electromagnetic valves.
The microfilter 16 is a 0.22 μm microfilter.
The working principle is as follows:
the ultra-pure water machine is started to work, tap water enters from the water inlet 1, and is filtered layer by the PP cotton filter 2, the activated carbon filter 3, the KDF composite filter 4 and the ultrafiltration membrane filter 5 in the pretreatment unit, enters a first-stage reverse osmosis booster pump 6, enters a first-stage reverse osmosis membrane component 7 after being pressurized, produces pure water to a first-stage reverse osmosis pure water tank 8 for storage, the pure water in the first-stage reverse osmosis pure water tank 8 is pressurized by a second-stage reverse osmosis booster pump 9 and is supplied to a second-stage reverse osmosis membrane component 10, the produced second-stage reverse osmosis pure water enters a second-stage reverse osmosis pure water tank 11 for storage, the second-stage reverse osmosis pure water enters an EDI module 13 through an EDI water inlet electromagnetic valve 12 and, the produced EDI deionized water enters an ultra-purification system 14 internally provided with a precise ultra-pure water column and a nuclear grade ultra-pure water column for ion exchange to produce ultra-pure water, the water quality is detected by a water quality sensor 15, and finally the water enters a micro-filter 16 for bacteria and microorganism filtration.
When the first-level reverse osmosis pure water is required to be taken, the first-level reverse osmosis pure water taking electromagnetic valve 22 is opened, the second-level reverse osmosis booster pump 9 is started, and the first-level reverse osmosis pure water stored in the first-level reverse osmosis pure water tank 8 reaches the first-level reverse osmosis pure water outlet 17 through the second-level reverse osmosis booster pump 9, so that the purpose of taking the first-level reverse osmosis pure water is achieved.
When the second-stage reverse osmosis pure water (the conductivity is less than or equal to 5 mu s/cm) needs to be taken, the second-stage reverse osmosis pure water taking electromagnetic valve 23 is opened, and at the moment, the second-stage reverse osmosis pure water flows out of the second-stage reverse osmosis pure water tank 11 and reaches the second-stage reverse osmosis pure water outlet 18, so that the purpose of taking the second-stage reverse osmosis pure water is achieved.
When the EDI deionized water (the resistivity is more than or equal to 5M omega cm) needs to be taken, the EDI deionized water taking electromagnetic valve 24 is opened, the EDI water inlet electromagnetic valve 12 is opened, the secondary reverse osmosis pure water enters the EDI module 13 from the secondary reverse osmosis pure water tank 11 through the EDI water inlet electromagnetic valve 12, and is filtered by the EDI module 13 to become the EDI deionized water which reaches the EDI deionized water outlet 19, so that the purpose of taking the EDI deionized water is achieved.
When ultrapure water (with the resistivity of 18.25M omega cm) needs to be taken, the ultrapure water taking electromagnetic valve 25 is opened, the EDI water inlet electromagnetic valve 12 is opened, the second-stage reverse osmosis pure water is treated by the EDI module 13, then enters the ultrapure water treatment system 14 for treatment, and then reaches the ultrapure water outlet 20 after being detected by the water quality sensor 15, so that the purpose of taking the ultrapure water is achieved.
When sterile ultrapure water (with the resistivity of 18.25M omega cm and without bacterial microorganisms and the like) needs to be taken, the sterile ultrapure water taking electromagnetic valve 26 is opened, the EDI water inlet electromagnetic valve 12 is opened, the water is treated by the EDI module 13, then the water enters the ultrapure water treatment system 14 for treatment, is detected by the water quality sensor 15, is treated by the micro-filter 16 and then reaches the sterile ultrapure water outlet 21, and the purpose of taking the sterile ultrapure water is achieved.
The utility model discloses in according to ultrapure water machine's technological principle, get into ultrapure water machine with the running water and to becoming the different stages of dividing of this process of ultrapure water, prepare the water of 5 kinds of different quality of water according to the difference of each stage quality of water, including one-level reverse osmosis pure water, second grade reverse osmosis pure water, EDI deionized water, ultrapure water, aseptic ultrapure water, included all water conditions of present laboratory from wasing high-end experiment basically, the user can take the water of different quality of water according to different water demands, both satisfied user operation requirement, improved ultrapure water machine's utilization ratio again, consumable utilization ratio to ultrapure water machine reaches the optimum, practices thrift the running cost.
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 (6)
1. A laboratory ultra-pure water machine with the function of preparing different water qualities is characterized by comprising a shell and a water purifying device arranged in the shell, wherein the water purifying device comprises a pretreatment unit, a reverse osmosis membrane treatment unit and a later-stage ultra-pure purification unit, and a water inlet on the shell is communicated with a water inlet end of the pretreatment unit through a pipeline; the reverse osmosis membrane treatment unit comprises a plurality of reverse osmosis membrane assemblies which are sequentially communicated, pure water tanks are respectively communicated on pipelines at the water outlet ends of the reverse osmosis membrane assemblies and communicated with corresponding reverse osmosis pure water outlets on the shell through pipelines, and the reverse osmosis membrane assembly positioned at the foremost end is communicated with the water outlet end of the pretreatment unit through a pipeline; the later-stage ultra-purification unit comprises an EDI module, an ultra-purification system and a micro-filter, a pure water tank communicated with the water outlet end of the last reverse osmosis membrane component is communicated with the water inlet end of the EDI module through a pipeline, the water outlet end of the EDI module is communicated with the EDI deionized water outlet on the shell and the water inlet end of the ultra-purification system through pipelines respectively, the water outlet end of the ultra-purification system is communicated with the ultra-pure water outlet on the shell and the water inlet end of the micro-filter through pipelines respectively, and the water outlet end of the micro-filter is communicated with the sterile ultra-pure water outlet on the shell through a pipeline.
2. The laboratory ultrapure water machine with the function of preparing water of different quality as claimed in claim 1, wherein an EDI water inlet solenoid valve is arranged on the pipeline at the water inlet end of the EDI module, and water inlet solenoid valves are arranged on the pipeline at the reverse osmosis pure water outlet, the pipeline at the EDI deionized water outlet, the pipeline at the ultrapure water outlet and the pipeline at the sterile ultrapure water outlet.
3. The laboratory ultrapure water machine with the function of preparing water of different quality as claimed in claim 1, wherein a water quality sensor is arranged on the pipeline at the water outlet end of the ultra-purification system.
4. The laboratory ultrapure water machine with the function of preparing water of different quality as claimed in claim 1, wherein the pipelines at the water inlet end of the reverse osmosis membrane module are respectively provided with a booster pump.
5. The laboratory ultrapure water machine having the function of producing water of different quality as claimed in claim 1, wherein said reverse osmosis membrane treatment unit comprises two reverse osmosis membrane modules communicating with each other.
6. The laboratory ultrapure water machine with the function of producing water of varying quality as claimed in claim 1, wherein said microfilter is a 0.22 μm microfilter.
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CN114368861A (en) * | 2022-01-28 | 2022-04-19 | 江苏理文造纸有限公司 | Raw water pretreatment device and method |
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Cited By (1)
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CN114368861A (en) * | 2022-01-28 | 2022-04-19 | 江苏理文造纸有限公司 | Raw water pretreatment device and method |
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