CN215918494U - Needle cleaning system - Google Patents

Needle cleaning system Download PDF

Info

Publication number
CN215918494U
CN215918494U CN202122005454.6U CN202122005454U CN215918494U CN 215918494 U CN215918494 U CN 215918494U CN 202122005454 U CN202122005454 U CN 202122005454U CN 215918494 U CN215918494 U CN 215918494U
Authority
CN
China
Prior art keywords
needle
bottle
pipeline
driving
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202122005454.6U
Other languages
Chinese (zh)
Inventor
和发展
赵鹏
罗庆康
杨伟
刘聪
王超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Autobio Labtec Instruments Zhengzhou Co Ltd
Original Assignee
Autobio Labtec Instruments Zhengzhou Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Autobio Labtec Instruments Zhengzhou Co Ltd filed Critical Autobio Labtec Instruments Zhengzhou Co Ltd
Priority to CN202122005454.6U priority Critical patent/CN215918494U/en
Application granted granted Critical
Publication of CN215918494U publication Critical patent/CN215918494U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Cleaning In General (AREA)

Abstract

The utility model discloses a needle cleaning system, comprising: the washing device comprises a washing pool, a first bottle filled with special washing liquid, a second bottle filled with purified water, a third bottle for recycling waste liquid, a first driving pipeline for conveying the special washing liquid to a liquid transferring needle, a second driving pipeline for conveying the purified water to the liquid transferring needle, a third driving pipeline for conveying the purified water to the washing pool, a fourth driving pipeline for conveying the waste liquid in the washing pool to the third bottle and a control device, wherein the first driving pipeline, the second driving pipeline, the third driving pipeline and the fourth driving pipeline are all connected with the control device. By using the needle cleaning system provided by the utility model, the cleaning efficiency of the liquid transferring needle can be effectively improved.

Description

Needle cleaning system
Technical Field
The utility model relates to the technical field of full-automatic chemiluminescence immunoassay analyzers, and in particular relates to a needle cleaning system.
Background
In the prior art, full-automatic chemiluminescence immunoassay appearance during operation need utilize and move liquid to sample to the sample, and after the sampling begins or finishes the sampling, all need carry out special washing and washing to the inner wall and the outer wall of liquid-moving needle to avoid taking place the hand pollution phenomenon between the sample.
Under the general condition, the liquid transferring needle is specially washed and inner and outer wall washing is carried out in a special washing pool, wherein when the liquid transferring needle is specially washed, the mechanical arm needs to reciprocate between a special washing liquid level and a washing pool level, so that the washing time of the liquid transferring needle is too long, and the washing efficiency is low.
In summary, how to improve the cleaning efficiency of the pipette needle is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a needle cleaning system, which can effectively improve the cleaning efficiency of a pipette needle.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a needle cleaning system comprising: wash the pond, be equipped with the first bottle of special lotion, be equipped with the second bottle of purification water, be used for retrieving the third bottle of waste liquid, be used for carrying special lotion to the first drive pipeline of pipetting needle, be used for with purification water carry to the second drive pipeline of pipetting needle, be used for with purification water carry to wash the third drive pipeline in pond, be used for with waste liquid in the washing pond carries to the fourth drive pipeline and the controlling means of third bottle, first drive pipeline second drive pipeline third drive pipeline and fourth drive pipeline all with controlling means connects.
Preferably, the first driving pipeline comprises a first pipeline for communicating the first bottle with the liquid-transferring needle, a first driving pump, a three-way electromagnetic valve, a two-way electromagnetic valve and a liquid-transferring pump, and the first driving pump, the three-way electromagnetic valve, the two-way electromagnetic valve and the liquid-transferring pump are sequentially arranged along the liquid flowing direction of the first pipeline;
the output end of the first driving pump is connected with the input end of the three-way electromagnetic valve, the output end of the three-way electromagnetic valve is connected with the input end of the two-way electromagnetic valve, and the three-way electromagnetic valve, the two-way electromagnetic valve, the liquid moving pump and the first driving pump are all connected with the control device.
Preferably, a first one-way valve is provided between the first bottle and the first drive pump.
Preferably, the second driving pipeline comprises a second pipeline for communicating the second bottle with the three-way electromagnetic valve, a second driving pump is arranged on the second pipeline, the output end of the second driving pump is connected with the other input end of the three-way electromagnetic valve, and the second driving pump is connected with the control device.
Preferably, a second one-way valve is provided between the second bottle and the second drive pump.
Preferably, a branch pipeline is arranged between the output end of the second driving pump and the second bottle, a pressure regulating valve for regulating the pressure of the pipeline is arranged on the branch pipeline, and the pressure regulating valve is connected with the control device.
Preferably, the third driving pipeline comprises a third pipeline for communicating the second bottle with the cleaning pool, a third driving pump is arranged on the third pipeline, and the third driving pump is connected with the control device.
Preferably, the fourth driving pipeline comprises a fourth pipeline for communicating the third bottle with the cleaning pool, a fourth driving pump is arranged on the fourth pipeline, and the fourth driving pump is connected with the control device.
When the needle cleaning system provided by the utility model is used, the input end of the first driving pipeline can be connected with the first bottle, the output end of the first driving pipeline is connected with the liquid transferring needle, the input end of the second driving pipeline is connected with the second bottle, the output end of the second driving pipeline is connected with the liquid transferring needle, the input end of the third driving pipeline is connected with the second bottle, the output end of the third driving pipeline is connected with the cleaning pool, the input end of the fourth driving pipeline is connected with the cleaning pool, and the output end of the fourth driving pipeline is connected with the third bottle.
When the pipette needle needs to be cleaned, firstly, the first driving pipeline can be controlled to operate, and special washing liquid is input into the pipette needle so as to carry out inner wall special liquid washing operation on the pipette needle; then, controlling the liquid transferring needle to move to a cleaning pool, and controlling the liquid transferring needle to eject special cleaning liquid so as to perform special liquid cleaning operation on the outer wall of the liquid transferring needle; then, controlling a second driving pipeline to operate, inputting purified water into the liquid transferring needle to perform inner wall washing operation on the liquid transferring needle, and controlling the liquid transferring needle to move into a washing pool to eject the pure water; and finally, controlling a fourth driving pipeline to operate, and inputting the waste liquid in the cleaning tank into a third bottle to recover the waste liquid in the cleaning tank. The device integrates special liquid washing operation and water washing operation, effectively reduces the reciprocating motion process of the liquid transferring needle, and is favorable for improving the cleaning efficiency of the liquid transferring needle.
In conclusion, the needle cleaning system provided by the utility model can effectively improve the cleaning efficiency of the pipetting needle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a needle cleaning system according to the present invention.
In fig. 1:
1 is a first bottle, 2 is a second bottle, 3 is a third bottle, 4 is a cleaning pool, 5 is a first driving pipeline, 51 is a first pipeline, 52 is a first driving pump, 53 is a three-way solenoid valve, 54 is a two-way solenoid valve, 55 is a liquid transfer pump, 56 is a first one-way valve, 6 is a second driving pipeline, 61 is a second pipeline, 62 is a second driving pump, 63 is a second one-way valve, 64 is a branch pipeline, 65 is a pressure regulating valve, 7 is a third driving pipeline, 71 is a third pipeline, 72 is a third driving pump, 8 is a fourth driving pipeline, 81 is a fourth pipeline, 82 is a fourth driving pump, and 9 is a liquid transfer needle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the utility model is to provide a needle cleaning system which can effectively improve the cleaning efficiency of the pipetting needle.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a needle cleaning system provided in the present invention.
This particular embodiment provides a needle cleaning system, includes: the washing device comprises a washing pool 4, a first bottle 1 filled with special washing liquid, a second bottle 2 filled with purified water, a third bottle 3 used for recycling waste liquid, a first driving pipeline 5 used for conveying the special washing liquid to a liquid transferring needle 9, a second driving pipeline 6 used for conveying the purified water to the liquid transferring needle 9, a third driving pipeline 7 used for conveying the purified water to the washing pool 4, a fourth driving pipeline 8 used for conveying the waste liquid in the washing pool 4 to the third bottle 3 and a control device, wherein the first driving pipeline 5, the second driving pipeline 6, the third driving pipeline 7 and the fourth driving pipeline 8 are all connected with the control device.
It should be noted that the device adopts the modularized arrangement, has simple structure, convenient operation, low manufacturing cost and convenient installation and maintenance, can shorten the cleaning time of the liquid transferring needle 9 and improve the operation efficiency, and has wide application range. In addition, the liquid path design of the device is scientific, the liquid-transferring needle 9 can be ensured to be cleaned completely by reasonably controlling the action of each liquid path element, the residual reagent liquid of the liquid-transferring needle 9 is effectively removed, the phenomenon of cross contamination between reagent samples or dilution of the reagent samples is avoided, and the working flux of the liquid-transferring needle 9 is favorably improved.
In the actual application process, according to actual conditions and actual requirements, the shapes, structures, positions and the like of the cleaning pool 4, the first bottle 1, the second bottle 2, the third bottle 3, the first driving pipeline 5, the second driving pipeline 6, the third driving pipeline 7, the fourth driving pipeline 8 and the control device can be determined.
When the needle cleaning system provided by the utility model is used, the input end of the first driving pipeline 5 can be connected with the first bottle 1, the output end of the first driving pipeline 5 is connected with the liquid transferring needle 9, the input end of the second driving pipeline 6 is connected with the second bottle 2, the output end of the second driving pipeline 6 is connected with the liquid transferring needle 9, the input end of the third driving pipeline 7 is connected with the second bottle 2, the output end of the third driving pipeline 7 is connected with the cleaning pool 4, the input end of the fourth driving pipeline 8 is connected with the cleaning pool 4, and the output end of the fourth driving pipeline 8 is connected with the third bottle 3.
When the liquid-transferring needle 9 needs to be cleaned, firstly, the first driving pipeline 5 can be controlled to operate, and special washing liquid is input into the liquid-transferring needle 9 so as to carry out inner wall special liquid-washing operation on the liquid-transferring needle 9; then, controlling the liquid transferring needle 9 to move to the cleaning pool 4, and controlling the liquid transferring needle 9 to eject special cleaning liquid so as to perform special liquid cleaning operation on the outer wall of the liquid transferring needle 9; then, controlling the second driving pipeline 6 to operate, inputting purified water into the liquid transferring needle 9 to perform inner wall washing operation on the liquid transferring needle 9, and controlling the liquid transferring needle 9 to move into the washing tank 4 to eject the pure water; then, the third driving pipeline 7 is controlled to operate, purified water is input into the cleaning pool 4 to perform outer wall washing operation on the liquid-transferring needle 9 in the cleaning pool 4, and finally, the fourth driving pipeline 8 is controlled to operate, waste liquid in the cleaning pool 4 is input into the third bottle 3, and the waste liquid in the cleaning pool 4 is recovered. The device integrates special liquid washing operation and water washing operation, effectively reduces the reciprocating motion process of the liquid transferring needle 9, and is favorable for improving the cleaning efficiency of the liquid transferring needle 9.
In conclusion, the needle cleaning system provided by the utility model can effectively improve the cleaning efficiency of the pipetting needle 9.
In addition to the above embodiments, preferably, the first driving pipeline 5 includes a first pipeline 51 for communicating the first bottle 1 and the pipetting needle 9, a first driving pump 52, a three-way electromagnetic valve 53, a two-way electromagnetic valve 54 and a pipetting pump 55, and the first driving pump 52, the three-way electromagnetic valve 53, the two-way electromagnetic valve 54 and the pipetting pump 55 are sequentially arranged along the liquid flowing direction of the first pipeline 51; the output end of the first driving pump 52 is connected with the input end of the three-way electromagnetic valve 53, the output end of the three-way electromagnetic valve 53 is connected with the input end of the two-way electromagnetic valve 54, and the three-way electromagnetic valve 53, the two-way electromagnetic valve 54, the liquid-transferring pump 55 and the first driving pump 52 are all connected with the control device.
It should be noted that reagent samples are likely to remain in the pipette needle 9, and when the pipette needle 9 is cleaned, the inner and outer walls of the pipette needle 9 need to be cleaned by special washing operations, and then the inner and outer walls of the pipette needle 9 need to be cleaned by purified water to ensure that the pipette needle 9 is cleaned.
In addition, when the special liquid washing operation needs to be performed on the pipetting needle 9, the three-way solenoid valve 53 and the two-way solenoid valve 54 can be controlled to be conducted, and the first driving pump 52 is controlled to operate, so that the special liquid washing is pumped out from the first bottle 1, flows into the input end of the first driving pump 52 through the first pipeline 51, enters the input end of the three-way solenoid valve 53 through the output end of the first driving pump 52, enters the two-way solenoid valve 54 through the input end of the three-way solenoid valve 53, and then enters the pipetting needle 9 under the action of the pipetting pump 55 to realize the inner wall special liquid washing operation of the pipetting needle 9, and finally, the pipetting needle 9 is controlled to move into the cleaning tank 4, and the special washing liquid in the pipetting needle 9 is discharged into the cleaning tank 4 through the pipetting pump 55 to realize the outer wall special liquid washing operation of the pipetting needle 9.
Preferably, a first check valve 56 is provided between the first bottle 1 and the first driving pump 52 to prevent a reverse flow phenomenon of the special washing liquid during the movement.
In actual operation, the shape, structure, size, position, etc. of the first pipeline 51, the first drive pump 52, the three-way solenoid valve 53, the two-way solenoid valve 54, the first check valve 56, and the liquid displacement pump 55 can be determined according to actual conditions and actual requirements.
On the basis of the above embodiment, preferably, the second driving pipeline 6 includes a second pipeline 61 for communicating the second bottle 2 with the three-way electromagnetic valve 53, a second driving pump 62 is disposed on the second pipeline 61, an output end of the second driving pump 62 is connected with another input end of the three-way electromagnetic valve 53, and the second driving pump 62 is connected with the control device.
It should be noted that after the pipette needle 9 completes the special washing operation, the special washing solution needs to be washed by purified water, so as to avoid the influence of the special washing solution on the new reagent sample. Therefore, the second driving pump 62 can be controlled to operate, so that the purified water flows out from the second bottle 2, then sequentially passes through the second pipeline 61, the second driving pump 62, the three-way electromagnetic valve 53, the two-way electromagnetic valve 54 and the liquid transferring pump 55, finally flows into the liquid transferring needle 9, then controls the liquid transferring needle 9 to move into the cleaning pool 4, and controls the liquid transferring needle 9 to discharge the purified water into the cleaning pool 4, thereby completing the inner wall purification and water washing operation of the liquid transferring needle 9.
Preferably, a second check valve 63 is provided between the second bottle 2 and the second driving pump 62 to prevent the purified water from flowing backward during the movement.
The shape, structure, size, position, etc. of the second pipeline 61, the second driving pump 62 and the second check valve 63 can be determined according to actual conditions and actual requirements during actual use.
Preferably, a branch line 64 is provided between the output end of the second drive pump 62 and the second bottle 2, a pressure regulating valve 65 for regulating the line pressure is provided on the branch line 64, and the pressure regulating valve 65 is connected to the control device.
It should be noted that the branch line 64 and the pressure regulating valve 65 can effectively regulate the pressure inside the instrument system, ensure the stable operation of the apparatus, and facilitate the effective control of the cleaning flow rate of the purified water. The pressure adjustment operation may be performed by other structures than the pressure adjustment control by the pressure adjustment valve 65. The shape, structure, size, position, etc. of the branch pipe 64 and the pressure regulating valve 65 may be determined during actual use according to actual conditions and actual requirements.
Preferably, the third driving pipeline 7 comprises a third pipeline 71 for communicating the second bottle 2 and the washing tank 4, a third driving pump 72 is arranged on the third pipeline 71, and the third driving pump 72 is connected with the control device.
After the inner wall of the pipetting needle 9 is cleaned by purified water, the outer wall of the pipetting needle 9 needs to be cleaned by purified water to ensure the cleaning effect of the pipetting needle 9. Therefore, the third driving pump 72 can be controlled to operate, so that the purified water flows out from the second bottle 2, passes through the third pipeline 71 and the third driving pump 72 in sequence, and finally flows into the cleaning pool 4, so as to perform outer wall purification water washing operation on the liquid transferring needle 9 in the cleaning pool 4.
Preferably, the fourth driving pipe 8 includes a fourth pipe 81 for communicating the third bottle 3 and the washing tank 4, a fourth driving pump 82 is provided on the fourth pipe 81, and the fourth driving pump 82 is connected to the control device.
It should be noted that, after the outer wall purification and water washing operation of the pipetting needle 9 is completed, the waste liquid in the washing tank 4 needs to be extracted for the next pipetting needle 9 washing operation. Therefore, the fourth driving pump 82 can be controlled to operate, so that various waste liquids in the washing tank 4 can sequentially pass through the fourth pipeline 81 and the fourth driving pump 82 and finally flow into the third bottle 3, thereby effectively collecting various waste liquids in the washing tank 4.
In addition, it should be noted that two input ends of the three-way valve of the device are respectively connected with the first driving pipeline 5 and the second driving pipeline 6, when the three-way valve is switched on or switched off, one of the first driving pipeline 5 or the second driving pipeline 6 is switched on, so as to realize the conveying operation of special washing liquid or purified water, which is beneficial to reducing the repeated moving operation of the liquid transferring needle 9 and improving the operation efficiency.
In the actual operation process, the shape, structure, size, position, etc. of the third pipeline 71, the third driving pump 72, the fourth pipeline 81 and the fourth driving pump 82 can be determined according to the actual situation and the actual requirement.
It should be noted that, in this document, the first driving pipeline 5, the second driving pipeline 6, the third driving pipeline 7, the fourth driving pipeline 8, the first bottle 1, the second bottle 2, the third bottle 3, the first pipeline 51, the second pipeline 61, the third pipeline 71, the fourth pipeline 81, the first driving pump 52, the second driving pump 62, the third driving pump 72, the fourth driving pump 82, the first check valve 56 and the second check valve 63 are mentioned, wherein the first and the second are only used for distinguishing the different positions and are not sequentially arranged.
In addition, it should be noted that the directions or positional relationships indicated by "output" and "input" in the present application are based on the directions or positional relationships shown in the drawings, and are only for the convenience of simplifying the description and facilitating the understanding, but do not indicate or imply that the indicated device or element must have a specific direction, be configured and operated in a specific direction, and thus, should not be construed as limiting the present invention.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all the embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.
The needle cleaning system provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (8)

1. A needle cleaning system, comprising: wash pond (4), be equipped with first bottle (1) of special lotion, be equipped with second bottle (2) of purified water, third bottle (3) for retrieving the waste liquid, be used for carrying special lotion to first drive pipeline (5) of pipetting needle (9), be used for with the purified water carry to second drive pipeline (6) of pipetting needle (9), be used for with the purified water carry to wash third drive pipeline (7) of pond (4), be used for with the waste liquid in wasing pond (4) carry to fourth drive pipeline (8) and the controlling means of third bottle (3), first drive pipeline (5) second drive pipeline (6) third drive pipeline (7) and fourth drive pipeline (8) all with controlling means connects.
2. The needle washing system according to claim 1, characterized in that the first drive line (5) comprises a first line (51) for communicating the first bottle (1) and the pipetting needle (9), a first drive pump (52), a three-way solenoid valve (53), a two-way solenoid valve (54) and a pipetting pump (55), the first drive pump (52), the three-way solenoid valve (53), the two-way solenoid valve (54) and the pipetting pump (55) being arranged in succession in the direction of liquid flow of the first line (51);
the output end of the first driving pump (52) is connected with the input end of the three-way electromagnetic valve (53), the output end of the three-way electromagnetic valve (53) is connected with the input end of the two-way electromagnetic valve (54), and the three-way electromagnetic valve (53), the two-way electromagnetic valve (54), the liquid moving pump (55) and the first driving pump (52) are all connected with the control device.
3. Needle washing system according to claim 2, characterized in that a first one-way valve (56) is provided between the first bottle (1) and the first drive pump (52).
4. Needle washing system according to claim 2, characterized in that said second driving circuit (6) comprises a second circuit (61) for communicating said second bottle (2) with said three-way solenoid valve (53), said second circuit (61) being provided with a second driving pump (62), the output of said second driving pump (62) being connected with the other input of said three-way solenoid valve (53), said second driving pump (62) being connected with said control device.
5. Needle washing system according to claim 4, characterized in that a second one-way valve (63) is provided between the second bottle (2) and the second drive pump (62).
6. Needle washing system according to claim 4, characterized in that a branch line (64) is provided between the output of the second drive pump (62) and the second bottle (2), that a pressure regulating valve (65) for regulating the line pressure is provided on the branch line (64), and that the pressure regulating valve (65) is connected to the control device.
7. Needle washing system according to any of claims 1 to 6, characterized in that said third driving circuit (7) comprises a third circuit (71) for communicating said second bottle (2) with said washing basin (4), said third circuit (71) being provided with a third driving pump (72), said third driving pump (72) being connected to said control means.
8. Needle washing system according to any of claims 1 to 6, characterized in that said fourth driving conduit (8) comprises a fourth conduit (81) for communicating said third bottle (3) with said washing basin (4), said fourth conduit (81) being provided with a fourth driving pump (82), said fourth driving pump (82) being connected to said control means.
CN202122005454.6U 2021-08-23 2021-08-23 Needle cleaning system Active CN215918494U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122005454.6U CN215918494U (en) 2021-08-23 2021-08-23 Needle cleaning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122005454.6U CN215918494U (en) 2021-08-23 2021-08-23 Needle cleaning system

Publications (1)

Publication Number Publication Date
CN215918494U true CN215918494U (en) 2022-03-01

Family

ID=80420523

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122005454.6U Active CN215918494U (en) 2021-08-23 2021-08-23 Needle cleaning system

Country Status (1)

Country Link
CN (1) CN215918494U (en)

Similar Documents

Publication Publication Date Title
CN101869894B (en) Clean device, purging system, cleaning method and particle analyzer
CN206566549U (en) Full-automatic solid phase extraction cleaning system
CN207119614U (en) A kind of automatic liquid relief and purging system
CN110407911A (en) Magnetic beads for purifying system
CN102262164A (en) Liquid-way system of fully-automatic fecal occult blood analyzer
CN201974434U (en) Automation device for fast cleaning sample needles
CN215918494U (en) Needle cleaning system
CN203397138U (en) Liquid channel control system of full-automatic enzyme immunoassay analyzer
CN110662964A (en) Waste liquid treatment device and method and sample analyzer
CN113560278A (en) Needle cleaning system and cleaning method
CN104458341A (en) Portable box-type solid-phase extraction device for sampling natural water and natural water sampling method of portable box-type solid-phase extraction device
CN208586235U (en) Magnetic beads for purifying system
CN217068027U (en) Water collecting device in waste gas treatment system of acid regeneration unit
CN203265144U (en) Washing device
CN202438485U (en) Silicon wafer cleaning system capable of reusing water resource and cleaning slot of same
CN215352979U (en) Automatic membrane cleaning device
CN212999361U (en) Integrated ultrafiltration membrane oil removal and purification device for oily sewage
CN1442234A (en) Continuous high gradient magnetic separator
CN107961580A (en) A kind of ceramic filter pickling cyclic utilization system
JPH06265555A (en) Automatic chemical analyzer
CN208621378U (en) A kind of on-line period equipment pretreatment unit of automatic time delay precipitating
CN206378471U (en) A kind of online neutralization test device
CN206074323U (en) A kind of salt lake saline neutralization test device
CN221432659U (en) Buffer solution continuous liquid preparation device
CN201201905Y (en) Water sample automatic pretreatment apparatus

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant