CN221117214U - Laboratory water preparation system - Google Patents
Laboratory water preparation system Download PDFInfo
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- CN221117214U CN221117214U CN202322502894.1U CN202322502894U CN221117214U CN 221117214 U CN221117214 U CN 221117214U CN 202322502894 U CN202322502894 U CN 202322502894U CN 221117214 U CN221117214 U CN 221117214U
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- pure water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 238
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 239000012528 membrane Substances 0.000 claims abstract description 63
- 238000001914 filtration Methods 0.000 claims abstract description 53
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 53
- 230000001954 sterilising effect Effects 0.000 claims abstract description 35
- 244000005700 microbiome Species 0.000 claims abstract description 9
- 241000894006 Bacteria Species 0.000 claims abstract description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims description 32
- 239000000126 substance Substances 0.000 claims description 16
- 229920000742 Cotton Polymers 0.000 claims description 13
- 150000002500 ions Chemical class 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000013505 freshwater Substances 0.000 claims description 6
- 239000006004 Quartz sand Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 238000005374 membrane filtration Methods 0.000 claims description 5
- 239000004745 nonwoven fabric Substances 0.000 claims description 5
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 4
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims description 4
- 229910001424 calcium ion Inorganic materials 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 229910001425 magnesium ion Inorganic materials 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 244000052769 pathogen Species 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000012141 concentrate Substances 0.000 claims description 2
- 230000004913 activation Effects 0.000 claims 1
- 239000003651 drinking water Substances 0.000 abstract description 19
- 235000020188 drinking water Nutrition 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 9
- 230000003213 activating effect Effects 0.000 abstract description 4
- 230000036541 health Effects 0.000 abstract description 4
- 235000013619 trace mineral Nutrition 0.000 abstract description 4
- 239000011573 trace mineral Substances 0.000 abstract description 4
- 238000009395 breeding Methods 0.000 abstract description 3
- 230000001488 breeding effect Effects 0.000 abstract description 3
- 239000000645 desinfectant Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 238000009928 pasteurization Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 101150114468 TUB1 gene Proteins 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 238000013327 media filtration Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Physical Water Treatments (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a laboratory water preparation system, which is characterized in that source water is filtered by a medium filtering device, a softening filtering device, a precise filtering device and a reverse osmosis membrane filtering device respectively, and after being sterilized by an ultraviolet sterilizing device, treated direct drinking water is conveyed to each use point through a circulating pipe network for circulating water supply, a disinfectant is not needed in the whole process, microorganism indexes can be controlled only through a physical process, and the quality of the drinking water is qualified. The filtering process retains trace mineral elements beneficial to human body, is beneficial to human health, increases the circulating flow of direct drinking water, improves the water activating effect, also avoids bacteria breeding caused by dead angles of pipelines or long-term unused direct drinking water, and the like, reduces the risk of sanitary condition, and further ensures the safety and sanitary performance of direct drinking water.
Description
Technical Field
The utility model relates to a water treatment device, in particular to a laboratory water preparation system.
Background
Laboratory water is basically obtained by distillation, ion exchange and reverse osmosis, which is water obtained by heating and distilling, and some low boiling point volatile substances and material impurities of a distillation apparatus are slightly introduced into distilled water, so that the water obtained by distillation is suitable for general laboratory analysis. The ion exchange method is to obtain laboratory water by exchanging inorganic impurities in source water and H+ on ion exchange resin and leaving inorganic impurities on the resin, and has the defects that organic matters are dissolved out of the surface of the ion resin, a large amount of acid and alkali are required to be consumed for ion resin regeneration, and environmental protection pressure is caused to wastewater discharge.
The reverse osmosis method is based on the characteristic of a semipermeable membrane, water molecules are separated from a solution by utilizing a pressure difference, and dissolved substances, ions, microorganisms and other harmful substances in the water are prevented from being on the surface of an RO reverse osmosis membrane, so that pure water meeting the requirements is obtained. The reverse osmosis membrane process has the advantages of high desalination rate and better quality of the obtained laboratory water.
Laboratory water obtained by reverse osmosis is liable to cause secondary pollution during the standing process of the stored laboratory water in a state where the equipment is stopped or the load water level has been reached to stop working. The traditional method is to monitor the conductivity of the laboratory water, and replace the laboratory water with new water if the conductivity exceeds a specified value, which causes the waste of water sources and the increase of the use cost of the RO membrane. In a large environment with resource conservation and environmental protection pressure, how to obtain reliable laboratory water with low cost is the direction of the chemical detection laboratory.
Disclosure of utility model
To overcome the above drawbacks, the present utility model aims to provide a laboratory water preparation system.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a laboratory water preparation system, includes source cask, medium filter equipment, softening filter equipment, precision filtration device, reverse osmosis membrane filter equipment, pure water bucket, water circulating device and ultraviolet sterilization device that connects gradually, wherein: the medium filtering device comprises a first container, wherein active carbon and/or quartz sand filter materials are/is arranged in the first container, and the source water bucket is connected with a water inlet of the first container; the softening and filtering device comprises a second container, wherein the second container is internally provided with positive resin and is used for softening source water and adsorbing calcium ions and magnesium ions in the source water.
Further, the precise filtering device comprises a third container, wherein non-woven filter cotton is arranged in the third container and is used for filtering dust particles in source water; the reverse osmosis membrane filtering device comprises a plurality of RO reverse osmosis membranes which are used for blocking dissolved substances, ions and microorganism harmful substances in source water; one end of the water circulation device is communicated with the pure water barrel, the other end of the water circulation device is communicated with the ultraviolet sterilization device, and the water outlet of the ultraviolet sterilization device is communicated with the pure water barrel; the system also comprises a circuit control cabinet and a plurality of water pumps, wherein the circuit control cabinet controls each water pump to realize the circulation of source water; the pure water barrel is used for storing the pure water obtained after the preparation; the pure water barrel is internally provided with a point position sensor which is used for monitoring the water level in the pure water barrel and controlling the operation of the circuit control cabinet according to the monitored data. The filtering process retains trace mineral elements beneficial to human body, is beneficial to human health, increases the circulating flow of direct drinking water, improves the water activating effect, avoids bacteria breeding caused by dead angles of pipelines or long-term unused direct drinking water, and further ensures the safety and the sanitary performance of the direct drinking water.
Furthermore, the source water bucket is a sterile constant-temperature water bucket, the source water bucket comprises an input end and an output end, the input end is connected with a source water source, the output end is communicated with the medium filtering device, pressurization is realized through a first water pump, and peculiar smell and partial organic matters and residual chlorine in water can be filtered.
Further, the point position sensor comprises a first sensor and a second sensor, the first sensor is arranged at the upper end of the inner wall of the pure water barrel, and when the pure water level touches the first sensor, the preparation process is stopped; the second sensor is arranged at the lower end of the inner wall of the pure water barrel, and when the pure water level is lower than the second sensor, the preparation process is started. Can realize the automatic moisturizing when pure water bucket lacks water, automatic stop system water when pure water is sufficient in the pure water bucket, need not manual operation.
Still further, the water circulating device comprises a third water pump, and the third water pump can realize circulating circulation of pure water between the pure water barrel and the ultraviolet sterilizing device.
Further, the ultraviolet sterilization device is provided with an ultraviolet irradiation area, and can remove various bacteria and pathogenic organisms for the circulating pure water.
Further, the reverse osmosis membrane filtration device comprises at least two membrane pipes which are arranged in parallel, and each membrane pipe is provided with a source water inlet, a fresh water outlet and a concentrated water outlet. Based on the characteristics of the semipermeable membrane, water molecules are separated from the solution by utilizing pressure difference, and dissolved substances, ions, microorganisms and other harmful substances in the water are prevented from being on the surface of the RO reverse osmosis membrane, so that pure water meeting the requirements is obtained.
Further, the nonwoven fabric filter cotton was 5 μm PP filter cotton or 1 μm PE filter cotton. The water quality requirement of the equipment in the use place can be practically matched, and the use cost of the equipment can be accurately selected and controlled.
Furthermore, the ultraviolet sterilization device comprises a plurality of ultraviolet lamp tubes, and the circuit control cabinet can control the starting of the ultraviolet sterilization device.
The beneficial effects of the utility model are as follows: the source water is filtered by the medium filtering device, the softening filtering device, the precise filtering device and the reverse osmosis membrane filtering device respectively, and the treated direct drinking water is conveyed to each use point for circulating water supply through the circulating pipe network after being sterilized by the ultraviolet sterilizing device, so that disinfectant is not needed in the whole process, microorganism indexes can be controlled only through a physical process, and the quality of the drinking water is qualified.
Trace mineral elements beneficial to human bodies are reserved in the filtering process, so that the filter is beneficial to human health. The ultraviolet sterilization device and the circulation pipe network form a circulation pipeline together, so that the sterilization effect on direct drinking water is further improved, the circulating flow of the direct drinking water is increased, the water activating effect is improved, and the safety and the sanitary performance of the direct drinking water are further ensured.
Drawings
FIG. 1 is a schematic diagram of a laboratory water preparation system according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of another view of a laboratory water preparation system according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a first sensor in a pure water bucket according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a second sensor in a pure water tank according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a UV lamp according to an embodiment of the utility model;
Fig. 6 is a schematic view of a disinfection tube according to an embodiment of the present utility model.
In the figure: 1. a source water bucket; 2. a media filtration device; 201. a first container; 202. a first water pump; 3. softening and filtering the device; 301. a second container; 4. a precise filtering device; 401. a third container; 402. a second water pump; 5. a reverse osmosis membrane filtration device; 501. a membrane tube; 6. a water circulation device; 601. a third water pump; 7. an ultraviolet sterilization device; 701. a UV lamp tube; 702. sterilizing the water pipe; 8. pure water bucket; 801. a point location sensor; 8011. a first sensor; 8012. a second sensor; 9. and a circuit control cabinet.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1, a laboratory water preparation system in this embodiment includes a source water tub 1, a medium filter 2, a softening filter 3, a precise filter 4, a reverse osmosis membrane filter 5, a pure water tub 8, a water circulation device 6, and an ultraviolet sterilization device 7, which are sequentially connected, wherein: the medium filtering device 2 comprises a first container 201, wherein active carbon and/or quartz sand filtering materials are filled in the first container 201, and the source water bucket 1 is connected with a water inlet of the first container 201; the softening and filtering device 3 comprises a second container 301, wherein the second container 301 is filled with positive resin and is used for softening source water and adsorbing calcium ions and magnesium ions in the source water.
In some embodiments, the precision filtration device 4 comprises a third container 401, wherein nonwoven filter cotton is arranged in the third container 401 and is used for filtering dust particles in source water; a reverse osmosis membrane filtration device 5 including a plurality of RO reverse osmosis membranes serving as barriers to dissolved substances, ions and microbial harmful substances in source water; one end of the water circulation device 6 is communicated with the pure water barrel 8, the other end of the water circulation device is communicated with the ultraviolet sterilization device 7, and a water outlet of the ultraviolet sterilization device 7 is communicated with the pure water barrel 8; the system also comprises a circuit control cabinet 9 and a plurality of water pumps, wherein the circuit control cabinet 9 controls each water pump to realize the circulation of source water; the pure water bucket 8 is used for storing pure water obtained after preparation; the pure water bucket 8 is internally provided with a point position sensor 801 for monitoring the water level in the pure water bucket 8 and controlling the operation of the circuit control cabinet 9 according to the monitored data.
The source water is filtered by the medium filtering device 2, the softening filtering device 3, the precise filtering device 4 and the reverse osmosis membrane filtering device 5 respectively, and the treated direct drinking water is conveyed to each use point for circulating water supply through a circulating pipe network after being sterilized by the ultraviolet sterilizing device 7, so that disinfectant is not needed in the whole process, microorganism indexes can be controlled only through a physical process, and the quality of the drinking water is qualified.
The filtering process retains trace mineral elements beneficial to human body, is beneficial to human health, increases the circulating flow of direct drinking water, improves the water activating effect, avoids bacteria breeding caused by dead angles of pipelines or long-term unused direct drinking water, and further ensures the safety and the sanitary performance of the direct drinking water.
The medium filtering device 2, the softening filtering device 3, the precise filtering device 4 and the reverse osmosis membrane filtering device 5 can be respectively provided with respective online cleaning branch pipelines according to the needs, and the online cleaning system can connect and clean one or a plurality of online cleaning branch pipelines according to the needs, so that the quality of direct drinking water is further ensured. Preferably, the online cleaning system can adopt the pasteurization principle and fully utilize the system components to carry out integrated modular design, thereby improving the online cleaning efficiency and reducing the cleaning cost. Wherein, adopt hot water reverse osmosis unit, be more convenient for adopt pasteurization to carry out the online cleaning of system.
In some embodiments, the source water bucket 1 is a sterile constant temperature water bucket, the source water bucket 1 includes an input end and an output end, the input end is connected to a source water source, and the output section is communicated with a media filter and pressurized by the first water pump 202. The medium filter device 2 is filled with activated carbon and/or quartz sand filter materials, and can filter peculiar smell and partial organic matters and residual chlorine in water.
In some embodiments, the spot sensor 801 includes a first sensor 8011 and a second sensor 8012, the first sensor 8011 is disposed at an upper end of an inner wall of the pure water tank 8, and the preparation process is stopped when the pure water level touches the first sensor 8011; the second sensor 8012 is disposed at the lower end of the inner wall of the pure water tub 8, and when the pure water level is lower than the second sensor 8012, the preparation process is started.
As shown in fig. 3, a first sensor 8011 is disposed at the upper end of the inner wall of the pure water tank 8, when the pure water level rises and contacts with the first sensor 8011, the water level change signal is converted into an electric signal, the signal is received by the first sensor 8011 and then transmitted to a main control circuit in the circuit control cabinet 9, and the main control circuit controls all water pumps to stop pumping water, so that the whole preparation process is stopped.
As shown in fig. 4, a second sensor 8012 is disposed at the lower end of the inner wall of the pure water tank 8, when the pure water level drops and contacts with the second sensor 8012, the water level change signal is converted into an electric signal, the second sensor 8012 receives the signal and transmits the signal to a main control circuit in the circuit control cabinet 9, and the main control circuit controls all water pumps to start pumping water, so that the whole preparation process is started.
In some embodiments, the water circulation device 6 includes a third water pump 601, and the third water pump 601 is capable of circulating pure water between the pure water tank 8 and the ultraviolet sterilization device 7.
In some embodiments, the ultraviolet sterilization device 7 is provided with an ultraviolet irradiation region, and can remove various bacteria and pathogenic organisms from the circulating pure water.
As shown in fig. 5 and 6, the ultraviolet sterilization device 7 includes a plurality of ultraviolet lamp tubes 701, and the circuit control cabinet 9 can control the starting of the ultraviolet sterilization device 7. A disinfection water pipe 702 is arranged at one side in the ultraviolet sterilization device 7, the disinfection water pipe 702 is S-shaped, water flows in from a lower water pipe, flows out from an upper water pipe after passing through the S-shaped disinfection water pipe 702, and flows back to the pure water barrel 8. The S-shaped sterilizing water pipe 702 can lengthen the flowing time of pure water in the ultraviolet sterilizing device 7, thereby increasing the sterilizing time and making the sterilization more thorough. The other side of the ultraviolet sterilization device 7 is provided with a plurality of ultraviolet lamp tubes, the arrangement direction of the ultraviolet lamp tubes is consistent with the flow direction of the disinfection water pipe 702, and the irradiation area of the ultraviolet lamp tubes can be increased.
In some embodiments, the reverse osmosis membrane filtration device 5 comprises at least two membrane tubes 501 arranged side by side, each membrane tube 501 being provided with a source water inlet, a fresh water outlet and a concentrate water outlet. The fresh water treated by the precise filtering device 4 is pressurized by the second water pump 402 and enters the water inlet of the reverse osmosis membrane filtering device 5. In fig. 2, two sets of reverse osmosis membrane tubes 501 are shown, the first reverse osmosis membrane set comprises four membrane tubes 501, the four membrane tubes 501 are connected in parallel, fresh water enters the four membrane tubes 501 simultaneously, the RO reverse osmosis membrane in the membrane tubes 501 separates water molecules from solution by pressure difference based on the characteristics of semi-permeable membranes, and dissolved substances, ions, microorganisms and other harmful substances in the water are prevented from being on the surface of the RO reverse osmosis membrane, so that pure water meeting the requirements is obtained.
The figure 2 also includes a second reverse osmosis membrane group, the second reverse osmosis membrane group includes three membrane tubes 501, and the three membrane tubes 501 are in parallel connection, fresh water enters the three membrane tubes 501 at the same time, and the working principle is the same as that of the first reverse osmosis membrane group. The first reverse osmosis membrane group is connected in series with the second reverse osmosis membrane group, namely the water outlet of the first reverse osmosis membrane group is communicated with the water inlet of the second reverse osmosis membrane group, and meanwhile, the valve is arranged at the water outlet of the first reverse osmosis membrane group, so that only the first reverse osmosis membrane group can be selected to work according to actual needs, namely the water outlet of the first reverse osmosis membrane group is communicated with the water inlet of the pure water barrel 8. The first reverse osmosis membrane group and the second reverse osmosis membrane group can be selected to work simultaneously, namely, the water discharged from the first reverse osmosis membrane group enters the second reverse osmosis membrane group and then enters the pure water bucket 8.
The medium filter device 2, the softening filter device 3 and the precise filter device 4, in particular the precise filter device 4, are arranged in front of the reverse osmosis membrane filter device 5, and are internally provided with high-efficiency filter cotton, so that the desalination rate of the reverse osmosis membrane is maintained, the service life of the reverse osmosis membrane is prolonged, and the use cost is reduced. The inventor has verified through long-time repeated data monitoring that the laboratory water preparation system maintains the source water utilization rate of the reverse osmosis membrane to be about 75%, basically reaches the technical high-level line of the reverse osmosis membrane, prolongs the service cycle of reverse osmosis membrane accessories to be between 50 and 60%, reduces the use cost by 30 to 40%, and greatly reduces the use cost of enterprise equipment.
In some embodiments, the nonwoven fabric filter cotton is a PP filter cotton with a thickness of 5 μm or a PE filter cotton with a thickness of 1 μm, and different materials and filtering precision can be selected according to local water quality conditions, for example, a PP filter cotton with a thickness of 5 μm can be selected for a region with good water quality, and a PE filter cotton with a thickness of 1 μm can be selected for a region with normal water quality. The water quality requirement of the equipment in the use place can be practically matched, and the use cost of the equipment can be accurately selected and controlled.
The working principle of the utility model is as follows: untreated source water is contained in the sterile constant-temperature source water bucket 1, the source water flows into the medium filtering device 2 under the action of the first water pump 202, and activated carbon and/or quartz sand filter materials are contained in the medium filtering device 2, so that peculiar smell and partial organic matters and residual chlorine in water can be filtered; the running water treated by the medium filtering device 2 then enters the softening and filtering device 3, and the softening and filtering device 3 is internally provided with positive resin which can soften the source water and adsorb calcium ions and magnesium ions in the source water; the running water treated by the softening and filtering device 3 then enters the precise filtering device 4, and non-woven fabric filter cotton is arranged in the precise filtering device 4, so that dust particles in source water can be filtered; finally, the reverse osmosis membrane filter device 5 separates water molecules from the solution by using a pressure difference based on the characteristics of the semipermeable membrane, and the dissolved substances, ions, microorganisms and other harmful substances in the water are prevented from being on the surface of the RO reverse osmosis membrane, so that the pure water finally obtained enters the pure water bucket 8. The pure water stored in the pure water bucket 8 flows and further sterilizes under the action of the water circulation device 6 and the ultraviolet sterilization device 7, so that secondary pollution caused by standing of the pure water is avoided.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The utility model provides a laboratory water preparation system, its characterized in that, including source cask, medium filter equipment, softening filter equipment, precision filtration device, reverse osmosis membrane filter equipment, pure water bucket, water circulating device and ultraviolet sterilization device who connects gradually, wherein:
the medium filtering device comprises a first container, wherein active carbon and/or quartz sand filtering materials are filled in the first container, and the source water bucket is connected with a water inlet of the first container;
The softening and filtering device comprises a second container, wherein the second container is internally provided with positive resin and is used for softening the source water and adsorbing calcium ions and magnesium ions in the source water;
The precise filtering device comprises a third container, wherein non-woven fabric filter cotton is arranged in the third container and is used for filtering dust particles in source water;
The reverse osmosis membrane filtering device comprises at least one reverse osmosis membrane group, wherein the reverse osmosis membrane group comprises a plurality of RO reverse osmosis membranes and is used for blocking dissolved substances, ions and microorganism harmful substances in source water;
one end of the water circulation device is communicated with the pure water barrel, the other end of the water circulation device is communicated with the ultraviolet sterilization device, and a water outlet of the ultraviolet sterilization device is communicated with the pure water barrel;
The system also comprises a circuit control cabinet and a plurality of water pumps, wherein the circuit control cabinet controls each water pump to realize the circulation of source water;
The pure water barrel is used for storing the pure water obtained after preparation; the water purifier is characterized in that a point position sensor is arranged in the water purifier barrel and used for monitoring the water level in the water purifier barrel and controlling the operation of the circuit control cabinet according to the monitored data.
2. The laboratory water preparation system of claim 1, wherein the source water bucket is a sterile constant temperature bucket, the source water bucket comprises an input end and an output end, the input end is connected with a source water source, the output end is communicated with the medium filtering device, and pressurization is achieved through a first water pump.
3. The laboratory water preparation system according to claim 1, wherein the point location sensor comprises a first sensor and a second sensor, the first sensor is arranged at the upper end of the inner wall of the pure water barrel, and the preparation process is stopped when the pure water level touches the first sensor; the second sensor is arranged at the lower end of the inner wall of the pure water barrel, and when the pure water level is lower than the second sensor, the preparation process is started.
4. The laboratory water preparation system according to claim 1, wherein the water circulation device comprises a third water pump capable of circulating the pure water between the pure water tub and the ultraviolet sterilization device.
5. The laboratory water preparation system according to claim 1, wherein the ultraviolet sterilization device is provided with an ultraviolet irradiation region capable of removing various bacteria and pathogenic organisms from the circulating pure water.
6. The laboratory water preparation system according to claim 1, wherein the reverse osmosis membrane filtration device comprises at least two membrane tubes arranged side by side, each of the membrane tubes being provided with a source water inlet, a fresh water outlet and a concentrate water outlet.
7. The laboratory water preparation system according to claim 1, wherein the nonwoven fabric filter is a PP filter of 5 μm or a PE filter of 1 μm.
8. The laboratory water preparation system of claim 5, wherein the ultraviolet sterilization device comprises a plurality of UV ultraviolet lamps, and the circuit control cabinet is capable of controlling the activation of the ultraviolet sterilization device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322502894.1U CN221117214U (en) | 2023-09-14 | 2023-09-14 | Laboratory water preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322502894.1U CN221117214U (en) | 2023-09-14 | 2023-09-14 | Laboratory water preparation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221117214U true CN221117214U (en) | 2024-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322502894.1U Active CN221117214U (en) | 2023-09-14 | 2023-09-14 | Laboratory water preparation system |
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| Country | Link |
|---|---|
| CN (1) | CN221117214U (en) |
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2023
- 2023-09-14 CN CN202322502894.1U patent/CN221117214U/en active Active
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