CN214374600U - Radioactive reaction liquid acidity detection device - Google Patents
Radioactive reaction liquid acidity detection device Download PDFInfo
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- CN214374600U CN214374600U CN202120030381.3U CN202120030381U CN214374600U CN 214374600 U CN214374600 U CN 214374600U CN 202120030381 U CN202120030381 U CN 202120030381U CN 214374600 U CN214374600 U CN 214374600U
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Abstract
A radioactive reaction liquid acidity detection device relates to the technical field of medical instruments, and adopts the technical scheme that the device comprises acidity detection equipment and an air pump, wherein the acidity detection equipment comprises an acidity probe, a measurement container, a controller, a case and a shielding layer arranged on one side of the case facing to the reaction container; a first liquid inlet pipe and an air pipe are arranged on the measuring container; a first three-way valve and a second three-way valve are connected in series on the first liquid inlet pipe, the first three-way valve is connected with a second liquid inlet pipe, the second three-way valve is connected with a liquid outlet pipe, and the liquid outlet pipe is connected with a conveying pump; and a third three-way valve is arranged on the air pipe and is connected with an air port. The utility model can realize the calibration and cleaning of the acidity probe, the acidity detection and the discharge of the radioactive reaction liquid; the related components are prevented from being irradiated by rays for a long time, so that the service life is prolonged; all operations can be remotely operated through the controller, and the safety of operators is guaranteed.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a radioactive reaction liquid acidity detection device.
Background
The acidity of the chemical reaction system has larger influence on the chemical reaction, and the non-radioactive chemical reaction system can be conveniently and directly sampled from the reaction system for monitoring or directly provided with an acidity monitoring probe for monitoring; for a radioactive chemical reaction system, at present, two main modes are provided, one mode is to directly take out a radioactive reaction liquid sample and directly measure the acidity of the radioactive reaction liquid, the mode relates to the steps of sampling, transferring and the like of the radioactive reaction liquid, the radioactive reaction liquid has the risk of leakage, and in the operation process, an operator directly contacts the radioactive reaction liquid, so that the radiation dose is larger; the other is to install an acidity probe in the radioactive reaction liquid storage or reaction bottle, which avoids sampling and transferring of the radioactive reaction liquid, and the like, and the operator is hardly affected, but the long-term exposure of the acidity probe to the radioactive ray environment accelerates the aging speed of the acidity probe and increases the acidity measurement error. In order to avoid the above problems in measuring the acidity of the radioactive reaction solution, it is necessary to invent a device that can perform the functions of calibration, measurement, cleaning, etc. of the acidimeter, shield the probe from the radiation, reduce the influence of the radiation on the probe, and hardly affect the operator by any radiation dose.
SUMMERY OF THE UTILITY MODEL
To the problem that the acidity probe is very easily ageing among the prior art scheme, operating personnel has the safety risk, the utility model provides a radioactive reaction liquid acidity detection device.
The utility model provides a following technical scheme: a radioactive reaction liquid acidity detection device comprises acidity detection equipment and an air pump, wherein the acidity detection equipment comprises an acidity probe, a measurement container, a controller, a case and a shielding layer for shielding radioactive rays of the reaction container; the measuring container is provided with a first liquid inlet pipe for sucking and taking the radioactive reaction liquid from the reaction container and an air pipe connected with the air pump, and one end of the first liquid inlet pipe, which is positioned in the measuring container, extends to the lowest point in the measuring container; a first three-way valve and a second three-way valve are connected in series on the first liquid inlet pipe, the first three-way valve is connected with a second liquid inlet pipe, the second three-way valve is connected with a liquid outlet pipe, and the liquid outlet pipe is connected with a conveying pump; a third three-way valve is arranged on the air pipe and is connected with an air port; the first, second and third three-way valves are all provided with switch motors which are arranged in the case; the controller is in signal connection with the air pump, the delivery pump and the switch motor; the acidity probe extends into the interior of the measurement vessel.
Preferably, the bottom of the measuring container is a concave curved surface.
Preferably, the acidity probe is provided with a handle, and the case is provided with a plurality of three-way valve slots for fixing the first, second and third three-way valves and a probe slot for fixing the handle.
Preferably, the three-way valve clamping groove comprises a circular groove body with the bottom surface arranged on the side wall of the case, the side wall of the circular groove body is provided with 3 openings, and the first, second and third three-way valves are respectively clamped in the circular groove body; the probe clamping groove comprises a support plate arranged on the case, a through hole is formed in the support plate, and the handle is in interference fit with the through hole.
Preferably, the acidity detection apparatus further includes an acidity display provided on a sidewall of the cabinet.
Preferably, an air filter is arranged on the air vent.
The utility model has the advantages that: negative pressure is generated in the measuring container through the air pipe and the air pump, the calibration standard liquid, the cleaning liquid and the radioactive reaction liquid are pumped into the measuring container through different pipelines, and the calibration and cleaning of the acidity probe, the acidity detection and the discharge of the radioactive reaction liquid can be realized; by arranging the shielding layer between the utility model and the radioactive reaction liquid reaction container, the relevant components of the utility model can be prevented from long-time irradiation of rays, and the service life is prolonged; all operations can be remotely operated through the controller, and the safety of operators is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a diagram of the pipeline connection according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an embodiment of a three-way valve slot of the present invention.
Fig. 5 is a schematic structural diagram of an embodiment of a middle probe card slot of the present invention.
Reference numerals: 1-measuring container, 11-first liquid inlet pipe, 111-first three-way valve, 112-second three-way valve, 12-air pipe, 121-third three-way valve, 13-second liquid inlet pipe, 14-liquid outlet pipe, 15-vent, 2-case, 21-three-way valve clamping groove, 211-opening, 22-probe clamping groove, 221-support plate, 222-through hole, 3-shielding layer, 4-switching motor, 5-acidity probe, 51-handle, 6-acidity display and 7-air filter.
Detailed Description
The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings and reference numerals, so that those skilled in the art can implement the embodiments after studying the specification. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides a radioactive reaction liquid acidity detection device as shown in figures 1-5, which comprises acidity detection equipment and an air pump, wherein the acidity detection equipment comprises an acidity probe, a measurement container 1, a controller, a case 2 and a shielding layer 3 for shielding radioactive rays of the reaction container; the measuring container 1 is provided with a first liquid inlet pipe 11 for sucking and taking the radioactive reaction liquid from the reaction container and an air pipe 12 connected with the air pump, and one end of the first liquid inlet pipe 11 in the measuring container 1 extends to the lowest point in the measuring container 1; a first three-way valve 111 and a second three-way valve 112 are connected in series on the first liquid inlet pipe 11, the first three-way valve 111 is connected with a second liquid inlet pipe 13, the second three-way valve 112 is connected with a liquid outlet pipe 14, and the liquid outlet pipe 14 is connected with a delivery pump; a third three-way valve 121 is arranged on the air pipe 12, and the third three-way valve 121 is connected with a vent 15; the first, second and third three-way valves are all provided with a switch motor 4, and the switch motors 4 are arranged in the case 2; the controller is in signal connection with the air pump, the delivery pump and the switch motor 4; the acidity probe 5 extends into the interior of the measuring vessel 1.
The utility model is suitable for an acidity detection of radioactive reaction liquid, the calibration of acidity probe, the washing of measuring vessel and probe and waste liquid discharge etc.. The acidity detection device is an existing instrument for detecting liquid acidity, and comprises an acidity probe, wherein the acidity probe needs to extend into a measurement container to be directly contacted with radioactive reaction liquid, converts the pH value in the radioactive reaction liquid into a corresponding potential signal and transmits the potential signal to the acidity detection device, and the potential signal is converted into a specific pH value. The air pump is connected with the air pipe and is used for changing the air pressure inside the measuring container, for example, pumping the air inside the measuring container to form negative pressure, so that the radioactive reaction liquid, the cleaning liquid or the calibration standard liquid in the reaction container is sucked into the measuring container. The reaction vessel is a vessel in which radioactive reaction liquid is subjected to chemical reaction.
The measuring container is a closed container for temporarily storing the radioactive reaction liquid, so that the radioactive reaction liquid is in contact with the acidity probe, and can be made of radiation-resistant organic glass. The measuring container is provided with a first liquid inlet pipe and an air pipe. The first liquid inlet pipe is connected to the reaction vessel, and radioactive reaction liquid can enter the measurement vessel from the first liquid inlet pipe. The first liquid inlet pipe is respectively connected with a second liquid inlet pipe and a liquid outlet pipe through a first three-way valve and a second three-way valve, and the second liquid inlet pipe is used for sucking calibration standard liquid for calibrating the acidity probe or cleaning liquid for cleaning the measuring container, the acidity probe and the first liquid outlet pipe. The liquid outlet pipe is connected with the delivery pump and is used for discharging waste liquid in the measuring container after calibration, cleaning and measurement are finished; meanwhile, the air pipe is connected with an air vent through a third three-way valve, when waste liquid is discharged, the third three-way valve is only communicated with the measuring container and the air vent, and the pressure inside the measuring container is balanced. The first, second and third three-way valves are all provided with switch motors for rotating the valve cores of the three-way valves and controlling the opening and closing of pipelines connected by the three-way valves.
The case is used for fixing components such as related pipelines, three-way valves and the like; the controller is in signal connection with the air pump, the delivery pump and the switch motor and is used for controlling the on-off of the equipment, so that the remote control of operation can be realized, operators can be far away from the radioactive reaction liquid, and the safety is guaranteed. Meanwhile, the shielding layer can be arranged on one side of the reaction vessel facing the measuring vessel to separate the measuring vessel from the reaction vessel, so that the measuring vessel and internal components thereof are prevented from being in a long-time radioactive environment, and accelerated aging of the acid probe is avoided.
The case can be made of stainless steel; the shielding layer can adopt a lead plate; the controller can adopt a programmable logic controller; the first liquid inlet pipe, the second liquid inlet pipe and the gas pipe can be made of radiation-resistant polytetrafluoroethylene; the liquid outlet pipe can adopt a hose, and the delivery pump can adopt a peristaltic pump; the air pump can adopt a vacuum pump.
The utility model discloses at the during operation, can wholly arrange current shielding glove box in, further reduce safe risk. Firstly, the acidity probe can be calibrated, specifically, the first and second three-way valves are controlled to be only communicated with the second liquid inlet pipe and the measuring container, the tail end of the second liquid inlet pipe is inserted into a calibration standard liquid, the third three-way valve is controlled to be only communicated with the air pump and the measuring container, then the air pump is opened to pump air in the measuring container to form negative pressure, the calibration standard liquid is sucked into the measuring container and immerse the acidity probe, the second liquid inlet pipe is disconnected by the first or second three-way valve, the acidity probe is calibrated according to the calibration standard operation procedure of acidity detection equipment, after the calibration is finished, the second three-way valve is controlled to be only communicated with the liquid outlet pipe and the measuring container, the third three-way valve is controlled to be only communicated with the air vent and the measuring container, and the delivery pump is started to pump out the calibration standard liquid. Secondly, the probe can be cleaned; and controlling the first and second three-way valves to only communicate the second liquid inlet pipe and the measuring container, inserting the tail end of the second liquid inlet pipe into the cleaning liquid, controlling the third three-way valve to only communicate the air pump and the measuring container, opening the air pump to suck the cleaning liquid into the measuring container, immersing the acidity probe to complete cleaning, then controlling the second three-way valve to only communicate the liquid outlet pipe and the measuring container, controlling the third three-way valve to only communicate the air vent and the measuring container, and starting the delivery pump to pump out the cleaning liquid. Then, absorbing the radioactive reaction liquid to be detected and detecting; specifically, only the reaction container and the measurement container, the air pump and the measurement container are communicated, the air pump is started to suck the radioactive reaction liquid into the measurement container from the reaction container through the first liquid inlet pipe and immerse the probe, all pipelines are closed, acidity determination is carried out on the radioactive reaction liquid according to the standard operation procedures of the existing acidimeter, after the determination is finished, only the liquid outlet pipe and the measurement container, the air vent and the measurement container are communicated, and the delivery pump is started to pump out the radioactive reaction liquid. And finally, cleaning the measuring container and the acidity probe.
Preferably, the bottom of the measuring container 1 is a concave curved surface. Under the action of gravity, the liquid in the measuring container can be converged towards the lowest point of the concave curved surface, so that the liquid can be emptied as much as possible when being discharged. In another embodiment, the bottom of the measuring container may also be concavely tapered.
Preferably, the acidity probe 5 is provided with a handle 51, and the case 2 is provided with a plurality of three-way valve slots 21 for fixing the first, second, and third three-way valves and a probe slot 22 for fixing the handle 51.
As shown in fig. 1 and 3, the first, second, and third three-way valves are fixed on the side wall of the chassis through three-way valve slots. The handle of the acidity probe is fixed on the side wall of the case through the probe clamping groove.
Preferably, the three-way valve slot 21 includes a circular slot body whose bottom surface is arranged on the side wall of the case 2, the side wall of the circular slot body is provided with 3 openings 211, and the first, second and third three-way valves are respectively clamped in the circular slot body; the probe card slot 22 includes a support plate 221 disposed on the chassis 2, a through hole 222 is disposed on the support plate 221, and the handle 51 is in interference fit with the through hole 222.
Specifically, a three-way valve clamping groove and a probe clamping groove are respectively shown in fig. 4 and 5, the three-way valve is clamped in the circular groove body, and an opening is used for accommodating a pipeline connected with the three-way valve; the supporting plate can be fixed on the case through bolts, the handle is in interference fit with the through hole in the supporting plate, and the handle is fixed by friction obtained through extrusion.
Preferably, the acidity detection apparatus further comprises an acidity display 6, and the acidity display 6 is disposed on a sidewall of the cabinet 2. The acidity display can adopt an LED display screen for displaying acidity values, and is convenient for operators to obtain in time.
Preferably, an air filter 7 is disposed on the air vent 15. The air filter can prevent impurities such as particles, microorganisms and the like in the outside air from entering and influencing the radioactive reaction liquid. The air filter may be a model PALL-4521 breather filter.
The foregoing is directed to one or more embodiments of the present invention, which are described in some detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. A radioactive reaction liquid acidity detection device comprises acidity detection equipment and an air pump, wherein the acidity detection equipment comprises an acidity probe (5), and is characterized in that: the device also comprises a measuring container (1), a controller, a case (2) and a shielding layer (3) for shielding radioactive rays of the reaction container; a first liquid inlet pipe (11) for sucking and taking the radioactive reaction liquid from the reaction container and an air pipe (12) connected with the air pump are arranged on the measurement container (1), and one end, positioned in the measurement container (1), of the first liquid inlet pipe (11) extends to the lowest point in the measurement container (1); a first three-way valve (111) and a second three-way valve (112) are connected in series on the first liquid inlet pipe (11), the first three-way valve (111) is connected with a second liquid inlet pipe (13), the second three-way valve (112) is connected with a liquid outlet pipe (14), and the liquid outlet pipe (14) is connected with a conveying pump; a third three-way valve (121) is arranged on the air pipe (12), and the third three-way valve (121) is connected with a vent (15); the first, second and third three-way valves are all provided with a switch motor (4), and the switch motors (4) are arranged in the case (2); the controller is in signal connection with the air pump, the delivery pump and the switch motor (4); the acidity probe (5) extends into the interior of the measuring vessel (1).
2. The apparatus for detecting acidity of a radioactive reaction solution according to claim 1, wherein: the bottom of the measuring container (1) is a concave curved surface.
3. The apparatus for detecting acidity of a radioactive reaction solution according to claim 1, wherein: the acidity probe (5) is provided with a handle (51), and the case (2) is provided with a plurality of three-way valve clamping grooves (21) for fixing the first, second and third three-way valves and a probe clamping groove (22) for fixing the handle (51).
4. The apparatus for detecting acidity of a radioactive reaction solution according to claim 3, wherein: the three-way valve clamping groove (21) comprises a circular groove body of which the bottom surface is arranged on the side wall of the case (2), 3 openings (211) are arranged on the side wall of the circular groove body, and the first, second and third three-way valves are respectively clamped in the circular groove body; the probe clamping groove (22) comprises a support plate (221) arranged on the case (2), a through hole (222) is formed in the support plate (221), and the handle (51) is in interference fit with the through hole (222).
5. The apparatus for detecting acidity of a radioactive reaction solution according to claim 3, wherein: the acidity detection device further comprises an acidity display (6), and the acidity display (6) is arranged on the side wall of the cabinet (2).
6. The apparatus for detecting acidity of a radioactive reaction solution according to claim 1, wherein: an air filter (7) is arranged on the air vent (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120030381.3U CN214374600U (en) | 2021-01-07 | 2021-01-07 | Radioactive reaction liquid acidity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120030381.3U CN214374600U (en) | 2021-01-07 | 2021-01-07 | Radioactive reaction liquid acidity detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214374600U true CN214374600U (en) | 2021-10-08 |
Family
ID=77953787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120030381.3U Active CN214374600U (en) | 2021-01-07 | 2021-01-07 | Radioactive reaction liquid acidity detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214374600U (en) |
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2021
- 2021-01-07 CN CN202120030381.3U patent/CN214374600U/en active Active
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