Improved device for preparing ultrapure water in laboratory

Abstract

The utility model discloses an improved device for preparing ultrapure water in a laboratory, which comprises a water maker body, a booster pump, a two-stage cotton core filtering device, a pressure monitoring device and a protective shell. The booster pump and the two-stage cotton core filtering device are arranged at the front end of the water making machine body, so that the prominent problems of quick pollution of key parts of the water making machine body, low water making rate and the like caused by poor water source quality are effectively solved, and the service lives of the reverse osmosis column and the ultra-purification column in the water making machine body are remarkably prolonged; the equipment maintenance cost and replacement frequency are reduced, the water production rate is greatly improved, the water quality stability and reliability of finished ultrapure water in the later period in the transferring and using process are guaranteed, the overall performance and working efficiency of the water production machine body are remarkably improved, and stable and reliable ultrapure water supply is provided for test analysis work; the overload protection device is arranged between the booster pump and the external power source and used for preventing the booster pump from being damaged due to overload, and safety and reliability of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water equipment technical field especially relates to an improved device for laboratory ultrapure water preparation. BACKGROUND

[0002] In the field of laboratory analysis, ultrapure water plays a key role in reagent mixing and other operations. It has extremely stringent requirements for mineral content and conductivity. However, the current water purification machines in laboratories face many difficulties in the actual water production process. Due to the uneven quality of the water source, it often contains a large amount of silt, rust, colloidal substances, microorganisms, and various types of dissolved impurities. These impurities can quickly erode and contaminate the core components of the water purification machine, such as the filter cartridge, reverse osmosis column, and ultrapure column.

[0003] This contamination directly leads to the need for frequent replacement of components such as filter cartridges, not only consuming a large amount of money to purchase new components, but also severely reducing the water production efficiency of the water purification machine due to frequent shutdown for replacement of parts, resulting in a low water production rate. Ultimately, it is impossible to stably and continuously supply ultrapure water that meets the strict requirements of laboratory production, greatly affecting the normal development and accuracy of laboratory work. Therefore, there is an urgent need for an improved device to improve the performance of the water purification machine. SUMMARY

[0004] The technical problems to be solved by the utility model are as follows: to provide an improved device for laboratory ultrapure water preparation to solve the problems of frequent replacement of components such as filter cartridges, high cost, and insufficient water production power of existing water purification equipment due to water source problems.

[0005] The technical solutions adopted by the utility model to solve the technical problems are as follows:

[0006] An improved device for laboratory ultrapure water preparation, comprising a water purification machine body, further comprising:

[0007] A booster pump, with its water inlet connected to the water source and its water outlet connected to the water inlet of the water purification machine body, for providing stable water source pressure and sufficient water flow power for the water production process;

[0008] A two-stage cotton core filter device, arranged between the booster pump and the water source, comprising a first-stage coarse filter cotton core filter column and a second-stage fine filter cotton core filter column, the first-stage coarse filter cotton core filter column uses a large-pore cotton core to filter large-particle impurities in the water source, and the second-stage fine filter cotton core filter column uses a small-pore cotton core to further filter fine impurities, colloids, and part of microorganisms;

[0009] A pressure monitoring device, installed on the connecting pipeline between the booster pump and the water purification machine body, for real-time monitoring of the water pressure in the pipeline and real-time display of the water pressure data;

[0010] A protective shell is wrapped outside the two-stage cotton core filter device, and the protective shell is made of corrosion-resistant, waterproof and soundproof material.

[0011] Further, an overload protection device is arranged between the booster pump and the external power source to prevent the booster pump from being damaged due to overload.

[0012] Further, a drain hole is arranged at the bottom of the protective shell to drain the accumulated water inside the shell.

[0013] Further, an access door and an observation window are arranged on the protective shell to facilitate maintenance and inspection of the internal device.

[0014] Further, a pressure difference monitoring table is arranged on the protective shell to monitor the pressure difference on both sides of the cotton core so as to timely prompt the replacement of the cotton core.

[0015] Further, a reverse osmosis filter column and an ultrapure water filter column are arranged inside the water maker body.

[0016] The positive and beneficial effects of the utility model are as follows:

[0017] 1. The utility model sets two-stage cotton core filter device, two-stage cotton core filter device sets in the front end of the water inlet of booster pump;The first stage rough filter cotton core filter column adopts big aperture cotton core, can effectively intercept the large particle impurities in water source, such as silt, rust etc., preliminary purifies water source, reduces the burden of subsequent filtration unit;The second stage fine filter cotton core filter column adopts small aperture cotton core, can further filter out fine impurities, colloid and part of microorganism, makes the water source entering the water maker body get more fine pretreatment, thereby reduces the pollution speed of the components such as reverse osmosis column and ultrapure column in the water maker body, significantly reduces the replacement frequency, prolongs the service life.

[0018] 2. In the utility model, the booster pump is installed at the front end of the water maker body, and the arrangement of the booster pump can effectively solve the problem of insufficient water source or power in multi-stage filtration, and can guarantee the stable preparation and supply of ultrapure water in both conventional water preparation and special water supply scenes, so as to ensure that there is no phenomenon of insufficient water source or power in the multi-stage filtration process, thereby ensuring the stable progress of the water preparation process, greatly improving the efficiency and quality of the preparation of ultrapure water in the laboratory, and meeting the various needs of laboratory production.

[0019] 3、The pressure monitoring device (pressure gauge) in the utility model can monitor the water pressure in the pipeline in real time, display the water pressure data in real time, and feed back the data to the monitoring system or the operator. If the water pressure is found to be abnormal, the operator can check, repair or adjust the corresponding parts in time, such as cleaning the pipeline, replacing the cotton core or adjusting the working parameters of the booster pump. Through the monitoring of the water pressure, the water flow during the water production process can be understood in time, so that corresponding measures can be taken when the water pressure is abnormal, such as adjusting the working parameters of the booster pump or checking whether the pipeline is blocked, to ensure the normal operation of the water production system.

[0020] 4、The utility model discloses a protective shell is set up outside two stage cotton core filter device, adopt the material that has corrosion -resistant, waterproof and has the sound insulation effect and process into, through setting up pressure difference monitoring table, access door and observation window on the protective shell, convenient for maintaining and checking the internal device, the operating personnel can check the running state of each part through the observation window of protective shell regularly, and according to the cotton core pollution degree that pressure difference monitoring table shows, replaces cotton core filter device in time to maintain the best performance of device.

[0021] 5、The utility model discloses a overload protection device OCP is set up between the booster pump and external power supply, is used for preventing the booster pump from damaging due to overload, further improves the safety and reliability of device.

[0022] 6、The utility model discloses a drain hole is set up at the bottom of protective shell, is used for discharging the accumulated water that can accumulate in the shell inside, prevents the damage of accumulated water to the filter column in the inside.

[0023] The utility model discloses a booster pump and two stage cotton core filter device are set up at the front end of water production machine body, effectively solve the pollution of water production machine body key parts, low water production rate and other prominent problems caused by poor water quality, not only prolong the service life of reverse osmosis column and ultrapure column in water production machine body significantly, reduce the equipment maintenance cost and replacement frequency, but also improve water production rate greatly, guarantee the water quality stability and reliability of finished product ultrapure water during the transportation and use process, improve the overall performance and work efficiency of water production machine body significantly, provide stable and reliable ultrapure water supply for the analysis work.

[0024] The utility model discloses in the laboratory water production technical field has remarkable innovation and practical value, has good popularization value and market development prospect. ACCURACY

[0025] Fig. 1 is a structural schematic view of the utility model.

[0026] In the figure: 1 - water making machine body, 2 - booster pump, 3 - protective shell, 4 - pressure monitoring device, 5 - first stage rough filter cotton core filter column, 6 - second stage fine filter cotton core filter column, 7 - reverse osmosis filter column, 8 - ultrapure water filter column, 9 - ultrapure water container, 10 - power supply, 11 - overload protection device, 12 - waste water pipeline. DETAILED DESCRIPTION

[0027] The specific embodiments of the utility model are described in detail below in combination with the drawings:

[0028] Embodiment: an improved device for preparing ultrapure water in a laboratory,

[0029] The water making machine body 1 further comprises:

[0030] The booster pump 2 has a water inlet connected to a water source and a water outlet connected to the water inlet of the water making machine body 1, and is used to provide stable water source pressure and sufficient water flow force for the water making process;

[0031] The two-stage cotton core filter device is arranged between the booster pump 2 and the water source, and comprises a first stage rough filter cotton core filter column 5 and a second stage fine filter cotton core filter column 6. The first stage rough filter cotton core filter column 5 adopts a large-pore cotton core to filter large-particle impurities in the water source, and the second stage fine filter cotton core filter column 6 adopts a small-pore cotton core to further filter fine impurities, colloids and part of microorganisms.

[0032] The pressure monitoring device 4, i.e. the pressure gauge, is installed on the connecting pipeline between the booster pump 2 and the water making machine body 1, and is used to monitor the water pressure in the pipeline in real time and display the water pressure data in real time.

[0033] The protective shell 3 is wrapped outside the two-stage cotton core filter device, and is made of a material that is corrosion-resistant, waterproof and has sound insulation effect.

[0034] The overload protection device 11 is arranged between the booster pump 2 and the external power supply 10, and is used to prevent the booster pump from being damaged due to overload.

[0035] A drain hole is arranged at the bottom of the protective shell 3, and is used to drain the accumulated water inside the shell.

[0036] An access door and an observation window (not shown in the figure) are arranged on the protective shell 3, so as to facilitate the maintenance and inspection of the internal device.

[0037] A pressure difference monitoring table (not shown in the figure) is arranged on the protective shell, and is used to monitor the pressure difference on both sides of the cotton core, so as to timely prompt the replacement of the cotton core.

[0038] The reverse osmosis filter column 7 and the ultrapure water filter column 8 are arranged inside the water making machine body.

[0039] The utility model discloses two stage cotton core filter device, two stage cotton core filter device sets up at the water inlet front end of booster pump 2, first stage rough filter cotton core filter column 5 adopts big aperture cotton core, can effectively intercept the big particle impurity in water source, such as silt, rust etc., preliminary purification water source, alleviate the burden of subsequent filtration unit, second stage fine filter cotton core filter column 6 adopts small aperture cotton core, can further filter out fine impurity, colloid and part of microorganism, make the water source of entering water making machine body get more fine pretreatment, thereby reduce the pollution speed of reverse osmosis column and ultrapure column etc. parts in water making machine body 1 inside, significantly reduce the replacement frequency, prolong the service life.

[0040] In the utility model, first stage rough filter cotton core filter column 5 can effectively remove the particle impurity of the particle size greater than 100 microns in water source, and second stage fine filter cotton core filter column 6 can remove the impurity of the particle size greater than 5 microns and part of colloid and microorganism.

[0041] In the utility model, booster pump 2 is installed at the front end of water making machine body 1, and the setting of booster pump 2 can effectively solve the problem of insufficient water source or power in multi-stage filtration, can guarantee the stable preparation and supply of ultrapure water whether in conventional water preparation or in special water supply scene, ensures that there is no phenomenon of insufficient water source or power in the multi-stage filtration process, thereby guaranteeing the stable progress of the water preparation process, greatly improving the efficiency and quality of the preparation of ultrapure water in the laboratory, and meeting various needs of laboratory production.

[0042] In the utility model, the setting of pressure monitoring device 4 (i.e. pressure gauge) can monitor the water pressure in the pipeline in real time, display the water pressure data in real time, and feed back the data to the monitoring system or the operator. If the water pressure is found to be abnormal, the operator can check, repair or adjust the corresponding components in time, such as cleaning the pipeline, replacing the cotton core or adjusting the working parameters of the booster pump. Through the monitoring of the water pressure, the water flow condition in the water preparation process can be understood in time, so that corresponding measures can be taken when the water pressure is abnormal, such as adjusting the working parameters of the booster pump or checking whether the pipeline is blocked, to ensure the normal operation of the water preparation system.

[0043] The utility model discloses two stage cotton core filter device outside setting protection shell 3, adopt with corrosion -resistant, waterproof and have the material of sound insulation effect and process into, through setting pressure difference monitoring table, access door and observation window on protection shell 3, convenient for the maintenance and check of internal device, and the operator can check the running state of each component through the observation window of protection shell regularly, and according to the cotton core pollution degree shown by pressure difference monitoring table, replace cotton core filter device in time, to maintain the best performance of device.

[0044] The utility model discloses a set up overload protection device 11 between booster pump 2 and external power 10, for preventing the damage of booster pump because of overload, further improve the security and reliability of device.

[0045] The utility model discloses a set up drainage hole in the bottom of protection shell 3, for discharging the water that possibly accumulated in the inside of shell, prevent the damage of water to internal filter column.

[0046] The utility model discloses a set up booster pump 5 and two-stage cotton core filter device in the front end of water making machine body 1, effectively solved the pollution of water making machine body key components fast, water making rate low etc. prominent problem of the quality of water source, not only significantly prolonged the service life of reverse osmosis column and ultrapure column in water making machine body, reduced equipment maintenance cost and replacement frequency, and greatly improved water making rate, guaranteed the water quality stability and reliability of finished product ultrapure water in the process of transfer and use in later period, significantly improved the overall performance and work efficiency of water making machine body, provided stable and reliable ultrapure water supply for the analysis work.

[0047] The utility model discloses in the laboratory water making technical field has the remarkable innovation and the practical value, possesses good popularization value and market development prospect.

[0048] Although the embodiment of the utility model has been shown and described, for the ordinary skilled in the art, can carry out multiple changes, modification, replacement and variation to the embodiment without departing from the principle and spirit of the utility model, the protection scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. An improved apparatus for laboratory ultrapure water preparation comprising a water generator body, characterized in that, The improved device further comprises: A booster pump, whose water inlet is connected with a water source and whose water outlet is connected with the water inlet of the water generator body, for providing stable water source pressure and sufficient water flow force for the water generation process; A two-stage cotton core filter device, arranged between the booster pump and the water source, comprising a first-stage rough filter cotton core filter column and a second-stage fine filter cotton core filter column, the first-stage rough filter cotton core filter column adopting a large-pore cotton core for filtering large-particle impurities in the water source, and the second-stage fine filter cotton core filter column adopting a small-pore cotton core for further filtering fine impurities, colloids and part of microorganisms; A pressure monitoring device, installed on the connecting pipeline between the booster pump and the water generator body, for monitoring the water pressure in the pipeline in real time and displaying the water pressure data in real time; A protective shell, wrapped outside the two-stage cotton core filter device, the protective shell being made of a material resistant to corrosion, water and having sound insulation effect.

2. The improved apparatus for laboratory ultrapure water preparation according to claim 1, characterized in that: An overload protection device is arranged between the booster pump and an external power source, for preventing the booster pump from being damaged due to overload.

3. The improved apparatus for laboratory ultrapure water preparation according to claim 1, characterized in that: A drain hole is arranged at the bottom of the protective shell, for draining the accumulated water inside the shell.

4. The improved apparatus for laboratory ultrapure water preparation according to claim 1, characterized in that: An access door and an observation window are arranged on the protective shell, for facilitating the maintenance and inspection of the internal device.

5. The improved apparatus for laboratory ultrapure water preparation as claimed in claim 1 wherein: A pressure difference monitoring table is arranged on the protective shell, for monitoring the pressure difference on both sides of the cotton core, so as to timely prompt the replacement of the cotton core.

6. The improved apparatus for laboratory ultrapure water preparation according to claim 1, characterized in that: A reverse osmosis filter column and an ultrapure water filter column are arranged inside the water generator body.

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