CN212432612U - Water sample collecting device for reverse osmosis membrane system - Google Patents

Water sample collecting device for reverse osmosis membrane system Download PDF

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Publication number
CN212432612U
CN212432612U CN202020099588.1U CN202020099588U CN212432612U CN 212432612 U CN212432612 U CN 212432612U CN 202020099588 U CN202020099588 U CN 202020099588U CN 212432612 U CN212432612 U CN 212432612U
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China
Prior art keywords
reverse osmosis
sampling
osmosis membrane
water
membrane
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Expired - Fee Related
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CN202020099588.1U
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Chinese (zh)
Inventor
李彤
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Guangdong Yimin Water Treatment Technology Co ltd
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Guangdong Yimin Water Treatment Technology Co ltd
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Abstract

The utility model discloses a water sample collection device for reverse osmosis membrane system, reverse osmosis membrane system is including the membrane shell that is used for multistage drainage, the interval is provided with multistage reverse osmosis membrane in the membrane shell, water sample collection device includes the sampling pipe, the sampling pipe includes inlet end and outlet end, the inlet end is arranged in inserting the membrane shell and collects the sampling water, the outlet end is arranged in exporting the sampling water in the sampling pipe, the interval is provided with a plurality of sampling marks on the outer wall of sampling pipe between inlet end and outlet end, the interval distance between a plurality of sampling marks corresponds with the interval between multistage reverse osmosis membrane in the membrane shell each other, and when the sampling pipe inserts the end of membrane shell, the inlet end is located the regional of the reverse osmosis membrane of end in the membrane shell; through above-mentioned water sample collection system, need not dismantle the membrane shell, can gain the output water sample of each reverse osmosis membrane to in the working condition of reverse osmosis membrane is obtained through water sample analysis, convenient to use, easy operation can effectively improve detection efficiency.

Description

Water sample collecting device for reverse osmosis membrane system
Technical Field
The utility model relates to a water sample collection technical field among the water treatment system especially relates to a water sample collection system for reverse osmosis membrane system.
Background
In a water treatment system, reverse osmosis equipment is water treatment equipment which is used relatively urgently and commonly, the reverse osmosis equipment leads raw water to pass through a fine filter, a granular activated carbon filter, a compressed activated carbon filter and the like, then the raw water is pressurized by a pump, a reverse osmosis membrane with the pore diameter of 1/10000 mu m is utilized, the water with higher concentration is changed into water with low concentration, simultaneously, a large amount of impurities mixed into the water, such as industrial pollutants, heavy metals, bacteria, viruses and the like, are all isolated, thereby the water quality requirement of industrial production requirements is reached, in order to ensure that the output water quality meets the requirements, the reverse osmosis membrane with multiple stages connected in series is generally arranged in a membrane shell, so as to carry out multi-stage reverse osmosis purification. In the use process, the performance state of the reverse osmosis membrane is directly related to the output water quality, and the reverse osmosis membrane is a consumable product and needs to be checked and replaced regularly. The failure of the reverse osmosis membrane is generally expressed as a decrease in membrane performance, a physical damage, a chemical deterioration, and the like, and relatively representative phenomena are a decrease in salt rejection rate (an increase in water production conductivity), a change in water production rate (an increase or decrease in operating pressure), an increase in pressure loss (differential pressure), and the like. In addition, a trouble symptom that is expressed by a cause other than the reverse osmosis membrane itself is often expressed on the reverse osmosis membrane. Therefore, when the cause is investigated, attention is always focused on the performance analysis of the reverse osmosis membrane, and when a failure of the membrane system is found, it is essential to obtain a correct judgment by referring to the operation record and analyzing the quality of the raw water. For the reverse osmosis system in operation, because a plurality of membrane shells are connected in series to operate, the final produced water is collected on a main pipe, and the water production and the operation condition of each level of specific reverse osmosis membrane cannot be determined.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a water sample collection system for reverse osmosis membrane system that can gain the water sample of each grade reverse osmosis membrane output in the membrane shell respectively under the condition of not taking out stitches membrane shell for solving above-mentioned technical problem not enough.
In order to achieve the purpose, the utility model discloses a water sample collecting device for a reverse osmosis membrane system, the reverse osmosis membrane system comprises a membrane shell for multi-stage water filtration, wherein multi-stage reverse osmosis membranes are arranged at intervals in the membrane shell, the water sample collecting device comprises a sampling pipe, the sampling pipe comprises a water inlet end and a water outlet end, the water inlet end is inserted into the membrane shell to collect sampling water, the water outlet end is used for outputting the sampling water in the sampling pipe, a plurality of sampling marks are arranged on the outer wall of the sampling pipe at intervals between the water inlet end and the water outlet end, the interval distance between the sampling marks corresponds to the interval between the multi-stage reverse osmosis membranes in the membrane shell, and when the sampling pipe is inserted into the tail end of the membrane shell, the water inlet end is positioned in the area of the reverse osmosis membrane at the tail end in the membrane shell.
Compared with the prior art, the water sample collecting device for the reverse osmosis membrane system comprises a sampling tube with a sampling mark, when the working state of the multi-stage reverse osmosis membrane in the membrane shell needs to be checked, the multi-stage reverse osmosis membrane is not required to be detached from the membrane shell, only the sampling tube is required to be inserted into the membrane shell, when the sampling device is started, the water inlet end of the sampling pipe is inserted into a reverse osmosis membrane output area at the tail end of the membrane shell, at the moment, the sampling mark on the sampling pipe, which is closest to the water outlet end, is positioned at the end face of the membrane shell, after sampling water in the area is obtained, the sampling water is output from the sampling pipe, then the sampling tube is drawn out for a certain distance, the drawing distance is based on the fact that the next sampling mark is moved to the end face of the membrane shell, so as to carry out secondary sampling and analogize the same to respectively obtain the water samples output by each reverse osmosis membrane, therefore, each part of sampled water can be analyzed to obtain the operating conditions of all reverse osmosis membranes in the membrane shell; therefore, through the water sample collecting device, the output water sample of each reverse osmosis membrane can be obtained without disassembling the membrane shell, so that the working condition of the reverse osmosis membrane can be obtained through water sample analysis, the use is convenient, the operation is simple, and the detection efficiency can be effectively improved.
Preferably, the water sample collecting device further comprises a plug detachably connected with the end face of the membrane shell, a through hole for the sampling tube to pass through is formed in the plug, and the sampling tube can slide in the through hole in a manner of being tightly matched and connected with the plug.
Preferably, the plug is in threaded connection with the cross section of the membrane shell.
Preferably, a control valve is arranged on the sampling pipe at the water outlet end, and the control valve is used for controlling the output or flow rate of the sampling water in the sampling pipe.
Preferably, the control valve is a ball valve.
Preferably, the water inlet end of the sampling pipe is provided with a tip part.
Preferably, the sampling tube is a transparent tube.
Drawings
Fig. 1 is a schematic view of a usage status of one of the embodiments of the water sample collecting device of the present invention.
Fig. 2 is a schematic view of a usage status of another embodiment of the water sample collecting device of the present invention.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
As shown in FIG. 1, the utility model discloses a water sample collecting device for reverse osmosis membrane system, the reverse osmosis membrane system includes a membrane shell 10 for multi-stage water filtration, multi-stage reverse osmosis membranes 12 are arranged at intervals in the membrane shell 10, the water sample collecting device includes a sampling tube 2, the sampling tube 2 includes a water inlet end 20 and a water outlet end 21, the water inlet end 20 is used for inserting into the membrane shell 10 to collect sampling water, the water outlet end 21 is used for outputting sampling water in the sampling tube 2, a plurality of sampling marks 22 are arranged at intervals between the water inlet end 20 and the water outlet end 21 on the outer wall of the sampling tube 2, the sampling marks 22 in this embodiment can be color marks or shape marks made on the outer wall of the sampling tube 2, such as annular grooves, salient points and the like, the interval distance between the plurality of sampling marks 22 corresponds to the interval between the multi-stage reverse osmosis membranes 12 in the membrane shell 10, and when the sampling tube 2 is inserted into the, the water inlet end 20 is located in the area of the reverse osmosis membrane 12 at the end of the membrane housing 10. In addition, in order to facilitate the output control of the sampled water at the water outlet end 21, a control valve 4 may be disposed on the sampling tube 2 at the water outlet end 21, and the control valve 4 is used to control the output or flow rate of the sampled water in the sampling tube 2, preferably, the control valve 4 is a ball valve.
The water sample collection device with the structure has the following use modes: as shown in fig. 2, after the running water treatment system is shut down, the end of the end face 11 of the membrane shell 10 is opened, and the sampling tube 2 is inserted into the membrane shell 10, in this embodiment, there are three reverse osmosis membranes 12 in the membrane shell 10, and from the end of the membrane shell 10 to the end face 11, there are a first reverse osmosis membrane 120, a second reverse osmosis membrane 121 and a third reverse osmosis membrane 122 in sequence, at the beginning, the water inlet end 20 of the sampling tube 2 is inserted into the bottom of the membrane shell 10, that is, the output area a of the first reverse osmosis membrane 120, at this time, the sampling mark 22 on the sampling tube 2, which is closest to the water outlet end 21, is located at the end face 11 of the membrane shell 10, then the water treatment system is started, the water output by the first reverse osmosis membrane 120 is pressed into the sampling tube 2, the control valve 4 is opened, the water is output, so as to obtain the water sample output by the first reverse osmosis membrane 120, then the system is shut, make next sampling sign 22 remove to membrane shell 10 terminal surface 11 department, because the interval distance between each other of sampling sign 22 is corresponding with the interval between each other of the multistage reverse osmosis membrane 12 in the membrane shell 10, at this moment, the end 20 of intaking of sampling pipe 2 moves to the output region B of second reverse osmosis membrane 121, gather the water sample that second reverse osmosis membrane 121 exported after starting water processing system, gather the water sample that third reverse osmosis membrane 122 exported with this method again afterwards, thereby obtain the water sample of first reverse osmosis membrane 120, export under second reverse osmosis membrane 121 and the third reverse osmosis operating condition respectively, and then accessible water sample analysis reachs whether this three reverse osmosis membrane 12 breaks down. Through above-mentioned water sample collection system, need not dismantle membrane shell 10, can gain the output water sample of each reverse osmosis membrane 12 to obtain reverse osmosis membrane 12's working condition through water sample analysis, convenient to use, easy operation can effectively improve detection efficiency.
Preferably, the water sample collecting device further comprises a plug 3 detachably connected to the end surface 11 of the membrane shell 10, a through hole (not shown) for the sampling tube 2 to pass through is formed in the plug 3, and the sampling tube 2 can slide in the through hole in a manner of being tightly matched and connected with the plug 3. In this embodiment, through the setting of end cap 3, can fix sampling tube 2 on membrane shell 10 fast, can avoid the water in the membrane shell 10 to overflow through the gap between sampling tube 2 and the membrane shell 10 moreover. When the inserting position of the sampling tube 2 needs to be adjusted, the sampling tube 2 slides back and forth in the plug 3. In this embodiment, the plug 3 and the end face 11 of the membrane shell 10 are preferably screwed together, so that the installation is fast and convenient. Further, to facilitate insertion of the sample tube 2, the water inlet end 20 of the sample tube 2 is provided with a tip portion 23.
In addition, sampling pipe 2 in the above-mentioned embodiment can be preferably the transparent pipe, not only can conveniently look over whether being full of the water sample in sampling pipe 2, when gathering the water sample the second time, still can ensure that do not have the water sample of remaining last time in sampling pipe 2.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims (7)

1. The utility model provides a water sample collection system for reverse osmosis membrane system, reverse osmosis membrane system includes the membrane shell that is used for multistage drainage, the interval is provided with multistage reverse osmosis membrane in the membrane shell, its characterized in that, water sample collection system includes the sampling pipe, the sampling pipe includes intake end and play water end, the intake end is used for inserting collect the sampling water in the membrane shell, it is used for exporting the sampling water in the sampling pipe to go out the water end, on the outer wall of sampling pipe intake end with go out between the water end the interval is provided with a plurality of sampling signs, a plurality of the interval distance between each other of sampling sign with multistage in the membrane shell the interval between each other of reverse osmosis membrane is corresponding, and when the sampling pipe inserts the end of membrane shell, the intake end is located the regional that terminal reverse osmosis membrane in the membrane shell is located.
2. The water sample collection device for a reverse osmosis membrane system of claim 1, further comprising a plug detachably connected to the end surface of the membrane housing, wherein the plug is provided with a through hole for the sampling tube to pass through, and the sampling tube can slide in the through hole in a manner of tight fit connection with the plug.
3. The water sample collection device for a reverse osmosis membrane system of claim 2, wherein the plug is in threaded engagement with a cross section of the membrane housing.
4. A water sample collection device for a reverse osmosis membrane system according to claim 1, wherein a control valve is provided on the sampling tube at the outlet for controlling the output or flow rate of the sampled water in the sampling tube.
5. The water sample collection device for a reverse osmosis membrane system of claim 4, wherein the control valve is a ball valve.
6. The water sample collection device for a reverse osmosis membrane system of claim 1, wherein the water inlet end of the sampling tube is provided with a tip portion.
7. The water sample collection device for a reverse osmosis membrane system of claim 1, wherein the sampling tube is a transparent tube.
CN202020099588.1U 2020-01-16 2020-01-16 Water sample collecting device for reverse osmosis membrane system Expired - Fee Related CN212432612U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020099588.1U CN212432612U (en) 2020-01-16 2020-01-16 Water sample collecting device for reverse osmosis membrane system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020099588.1U CN212432612U (en) 2020-01-16 2020-01-16 Water sample collecting device for reverse osmosis membrane system

Publications (1)

Publication Number Publication Date
CN212432612U true CN212432612U (en) 2021-01-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119551766A (en) * 2024-11-22 2025-03-04 隶润科技(上海)有限公司 A water sample detection system and method for reverse osmosis membrane element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119551766A (en) * 2024-11-22 2025-03-04 隶润科技(上海)有限公司 A water sample detection system and method for reverse osmosis membrane element

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