CN219092097U

CN219092097U - Automatic liquid adding and taking device for U-shaped porous glass plate absorption tube

Info

Publication number: CN219092097U
Application number: CN202223320455.0U
Authority: CN
Inventors: 闫学全; 杨开贵; 杨航; 胡以凤; 王锟
Original assignee: Qingdao Shunxin Electronic Science And Technology Co ltd
Current assignee: Qingdao Shunxin Electronic Science And Technology Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-30
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to the technical field of gas sampling, and discloses an automatic liquid adding and taking device for a U-shaped porous glass plate absorption tube, which comprises a sampling bottle, a receiving bottle, a first multi-way valve, an air pump, an electronic injector, pure water storage equipment, reagent storage equipment, a PLC (programmable logic controller) and a man-machine interaction screen, wherein a plurality of sampling bottles and receiving bottles are respectively arranged, the sampling bottle and the receiving bottle are mutually communicated through pipelines, and one end of the sampling bottle and the first multi-way valve are mutually communicated through the pipelines. This automatic liquid feeding of U type porous glass board absorption tube, get liquid device, open or close through the different multipotency valves of PLC control, in adding the U type porous glass board absorption tube with reagent through electronic injector gradually, conveniently handle the sample, be connected U type porous glass board absorption tube and device after the sampling, open the air pump through the control of PLC controller and blow out atmospheric pressure, the switching frequency of the relief valve of control adjusts atmospheric pressure again, will get the absorption hydraulic pressure of sample and carry out next operation in the receiving bottle.

Description

Automatic liquid adding and taking device for U-shaped porous glass plate absorption tube

Technical Field

The utility model relates to the technical field of gas sampling, in particular to an automatic liquid adding and taking device for a U-shaped porous glass plate absorption tube.

Background

At present, a U-shaped porous glass plate absorption tube is widely used in gas sampling because of high absorption efficiency. When different gas samples are collected, corresponding absorption liquid is required to be added into the U-shaped absorption tube, and the gas sampling has accurate requirements on the volume of the absorption liquid. The special design of the U-shaped absorption tube meets the requirement of gas sampling, but the shape of the U-shaped absorption tube is unfavorable for operations such as liquid adding, cleaning and the like. The single person directly uses the pipette to the straight tube portion liquid feeding of U type absorption tube have the absorption liquid to spill over from the joining position of pipette and U type absorption tube, extravagant absorption liquid, and U type absorption tube also needs to be rewashed or dried. The self-charging device can be operated by a single person, but the used buret and other auxiliary pipelines are more troublesome to clean and dry, and are special in shape and are not easy to carry on site and are easy to break due to the glass products. At present, a laboratory generally uses a double operation method, one person uses a pipette to add liquid, and the other person uses an ear-washing ball to pump air at the same time on the other side of the absorption tube, and the method needs two persons to operate and is combined with skill, so that the laboratory can be reworked slightly carelessly. The liquid is taken from the absorption tube after the sampling is finished, which is troublesome, so that the accurate and reliable experimental result is ensured, the sample cannot be polluted, and the absorption liquid is ensured to be taken out completely. At present, the commonly used in the laboratory is to blow the sampled absorption liquid into the colorimetric tube by using the ear washing ball, which is laborious and time-consuming, and the absorption liquid is not easy to be completely transferred, so that the subsequent result analysis is affected, and the accuracy of the whole test result is affected.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an automatic liquid feeding and taking device for a U-shaped porous glass plate absorption tube, which aims to solve the problems that the accuracy of the whole test result is affected because the sampled absorption liquid is blown into a colorimetric tube by an ear-washing ball in the laboratory, which is proposed in the background art, is laborious and time-consuming, and the absorption liquid is not easy to be completely transferred, thereby affecting the subsequent result analysis.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automatic liquid feeding of U type porous glass board absorption tube, gets liquid device, includes sampling bottle, receiving bottle, multiport valve one, air pump, electronic injector, pure water storage equipment, reagent storage equipment, PLC controller and human-computer interaction screen, sampling bottle and receiving bottle are provided with a plurality ofly respectively, just sampling bottle and receiving bottle are through the pipeline intercommunication, sampling bottle's one end and multiport valve one are through the pipeline intercommunication, the output of air pump pass through the pipeline with sampling bottle interconnect, the same multiport valve two is installed through the pipeline to electronic injector's one end, multiport valve three is installed through the pipeline to pure water storage equipment's upper end, reagent storage equipment's upper end is through pipeline and multiport valve three interconnect, just multiport valve three and multiport valve two interconnect.

Preferably, the relief valve is installed to the output of air pump, the air pump with all install the control valve on the pipeline of sampling bottle, relief valve, control valve and PLC controller electric connection open the air pump through the control of PLC controller and blow out the atmospheric pressure, the switching frequency of control relief valve again adjusts the atmospheric pressure to opening and closing of two control valves, make the atmospheric pressure blow in the sampling bottle, improved the convenience of sampling.

Preferably, the electronic injector is electrically connected with the PLC, the man-machine interaction screen is electrically connected with the PLC, personnel can conveniently control the whole device through the man-machine interaction screen, single person automatic operation is convenient, and accordingly the electronic injector is controlled through the PLC.

Preferably, the two multi-way valve and the first multi-way valve are connected with each other through a pipeline, and the electronic injector is convenient to send the extracted reagent into the sampling bottle through the connection of the two multi-way valve and the first multi-way valve.

Preferably, the PLC is electrically connected with the two-way valve and the three-way valve, the PLC is electrically connected with the air pump and the one-way valve, and the two-way valve and the three-way valve are controlled to be opened and closed, so that the electronic injector can conveniently extract pure water in the pure water storage device or extract the reagent in the reagent storage device, and the sampling operation is convenient.

Compared with the prior art, the utility model provides an automatic liquid adding and taking device for a U-shaped porous glass plate absorption tube, which has the following beneficial effects:

this automatic liquid feeding of U type porous glass board absorption tube, get liquid device, set for the addition of reagent through the PLC controller, control the opening or closing of a plurality of multipotency valves, inhale the electron syringe with reagent, the rethread is controlled different multipotency valves and is opened or close, add the reagent into U type porous glass board absorption tube through the electron syringe in succession, afterwards, U type porous glass board absorption tube can take off and sample the operation, be connected U type porous glass board absorption tube and device after the sampling, open the air pump through the control of PLC controller and blow out atmospheric pressure, the switching frequency of control relief valve adjusts atmospheric pressure, will get the absorption hydraulic pressure of sample and carry out the operation next step in the receiving bottle.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

In the figure: 1. a sampling bottle; 2. receiving a bottle; 3. a multi-way valve I; 4. an air pump; 41. a pressure release valve; 42. a control valve; 5. an electronic injector; 6. pure water storage means; 7. a reagent storage device; 8. a PLC controller; 9. a man-machine interaction screen; 10. a multi-way valve II; 11. and a multi-way valve III.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides an automatic liquid feeding of U type porous glass board absorption tube, get liquid device, including sampling bottle 1, receiving bottle 2, multipotency valve one 3, air pump 4, electronic injector 5, pure water storage equipment 6, reagent storage equipment 7, PLC controller 8 and man-machine interaction screen 9, sampling bottle 1 and receiving bottle 2 are provided with a plurality ofly respectively, and two sampling bottle 1 and receiving bottle 2 are put through each other through the pipeline, one end of two sampling bottle 1 and multipotency valve one 3 are put through each other through the pipeline, the output of air pump 4 is connected each other through pipeline and two sampling bottle 1, relief valve 41 is installed to the output of air pump 4, control valve 42 is all installed on the pipeline of air pump 4 and two sampling bottle 1, relief valve 41, control valve 42 and PLC controller 8 electric connection, control the blowout atmospheric pressure of opening air pump 4 through PLC controller 8, the switching frequency of control relief valve 41 adjusts the atmospheric pressure, thereby opening and closing of two control valves 42, make among the atmospheric pressure sampling bottle 1, the convenience of sampling has been improved;

the same multi-way valve II 10 is installed at one end of the electronic injector 5 through a pipeline, the multi-way valve III 11 is installed at the upper end of the pure water storage device 6 through a pipeline, the upper end of the reagent storage device 7 is connected with the multi-way valve III 11 through a pipeline, the multi-way valve III 11 is connected with the multi-way valve II 10, the electronic injector 5 is electrically connected with the PLC controller 8, the man-machine interaction screen 9 is electrically connected with the PLC controller 8, the multi-way valve II 10 and the multi-way valve III 11 are electrically connected with each other through the pipeline, the PLC controller 8 is electrically connected with the air pump 4 and the multi-way valve I3, and in operation, personnel check and operate the whole device through the man-machine interaction screen 9, so that the control on and off of the multi-way valve II 10 and the multi-way valve III 11 are controlled by the PLC controller 8, the pure water in the pure water storage device 6 is conveniently extracted by the electronic injector 5, or the reagent in the reagent storage device 7 is extracted, the multi-way valve I3 is then opened, and the electronic injector 5 is fed into the reagent 1.

Working principle: the method comprises the steps that firstly, an absorption liquid is required to be added before a U-shaped porous glass plate absorption tube is sampled, then the absorption liquid which is fully absorbed by a sample is required to be taken out for next operation after the sampling is completed, firstly, the adding amount of a reagent is set through a PLC (programmable logic controller) 8, a plurality of multi-way valves are controlled to be opened or closed, the reagent is absorbed into an electronic injector 5, then different multi-way valves are controlled to be opened or closed through the PLC 8, the reagent is sequentially added into the U-shaped porous glass plate absorption tube through the electronic injector 5, then the U-shaped porous glass plate absorption tube can be taken down for sampling operation, the U-shaped porous glass plate absorption tube is connected with a device after the sampling is completed, the air pump 4 is controlled to be opened for air pressure blowing through the PLC 8, then the switching frequency of a pressure relief valve 41 is controlled for air pressure regulation, and the absorption liquid which is completely absorbed by the sample is put into a receiving bottle 2 for next operation.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic liquid feeding of U type porous glass board absorption tube, gets liquid device, includes sampling bottle (1), receiving bottle (2), multipotency valve one (3), air pump (4), electronic injector (5), pure water storage equipment (6), reagent storage equipment (7), PLC controller (8) and man-machine interaction screen (9), its characterized in that: sampling bottle (1) and receiving bottle (2) are provided with a plurality of respectively, just sampling bottle (1) and receiving bottle (2) are through the pipeline interconnect, the one end of sampling bottle (1) and multiport valve one (3) are through the pipeline interconnect, the output of air pump (4) pass through the pipeline with sampling bottle (1) interconnect, the same multiport valve two (10) are installed through the pipeline to the one end of electronic injector (5), multiport valve three (11) are installed through the pipeline to the upper end of pure water storage equipment (6), the upper end of reagent storage equipment (7) is through pipeline and multiport valve three (11) interconnect, just multiport valve three (11) and multiport valve two (10) interconnect.

2. The automatic liquid feeding and taking device for the U-shaped porous glass plate absorption tube according to claim 1, wherein the device is characterized in that: the output end of the air pump (4) is provided with a pressure release valve (41), the air pump (4) and the pipeline of the sampling bottle (1) are provided with control valves (42), and the pressure release valve (41), the control valves (42) and the PLC (8) are electrically connected.

3. The automatic liquid feeding and taking device for the U-shaped porous glass plate absorption tube according to claim 1, wherein the device is characterized in that: the electronic injector (5) is electrically connected with the PLC (8), and the man-machine interaction screen (9) is electrically connected with the PLC (8).

4. The automatic liquid feeding and taking device for the U-shaped porous glass plate absorption tube according to claim 1, wherein the device is characterized in that: the multi-way valve II (10) and the multi-way valve I (3) are connected with each other through pipelines.

5. The automatic liquid feeding and taking device for the U-shaped porous glass plate absorption tube according to claim 1, wherein the device is characterized in that: the PLC (8) is electrically connected with the two (10) and the three (11) multi-way valves, and the PLC (8) is electrically connected with the air pump (4) and the first (3) multi-way valve.