CN216670290U

CN216670290U - Pretreatment module for online measurement of water body Sr-90

Info

Publication number: CN216670290U
Application number: CN202122744429.XU
Authority: CN
Inventors: 李成兵; 李昆阳; 王娟
Original assignee: Beijing Haixin Ansheng Technology Co ltd
Current assignee: Beijing Haixin Ansheng Technology Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-06-03
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a water body Sr-90 online measurement pretreatment module, which comprises a module frame, a liquid medicine tank storage rack, a liquid medicine tank, a peristaltic pump support, a peristaltic pump, a resin column mounting plate, a first resin column, a second resin column, a liquid collection tank support and a liquid collection tank, wherein the liquid medicine tank is mounted in an inner cavity of the liquid medicine tank storage rack, the resin column mounting plate is arranged at the top of the module frame, the first resin column is equidistantly arranged at the top of the resin column mounting plate in a penetrating manner, the second resin column is arranged at the top of the peristaltic pump support in a penetrating manner, the whole process is carried out from top to bottom, the aim of realizing multiple washing by a single operation of the peristaltic pump in the same equipment can be realized by adopting a top-down design, the overlong time interval can not be ensured in the experimental process, the accuracy of data is improved, on the other hand, the continuity in the whole process is higher, the experimental time is shortened as much as possible, and the experimental efficiency is improved.

Description

Pretreatment module for online measurement of water body Sr-90

Technical Field

The utility model relates to⁹⁰Technical field of Sr measurementThe field is specifically a water body Sr-90 online measurement pretreatment module.

Background

⁹⁰Sr is a pure beta emitter and has the characteristics of high fission yield, high toxicity, osteophilicity, long service life and the like.⁹⁰Sr is more mobile than other fission products, has a migration rate of 9.62 m/year along a water layer, and can be generally used as a representative nuclide for water pollution and nuclide migration research. At present, foreign countries are concerned about liquid flash measurement⁹⁰Sr/⁹⁰The research reports of Y are more, and the related research work in China is less, so that the water pollution nuclide is migrated or is migrated⁹⁰Sr/⁹⁰It is also important that Y be studied, and that the relevant experiments and studies be performed, and there is currently a lack of relevant work and research measures.

In the process of⁹⁰Sr/⁹⁰During the research of Y, various chemical reagents are often needed to be used for operation, some current experimental facilities are often operated in one step, after one step is completed, the operation needs to be transferred to another scene or equipment for operation, which is very inconvenient, and some chemical reagents are dangerous and easy to volatilize, accidents are easy to happen during the transfer operation, and the data of the experimental result is affected if the time interval is long, so that the experimental result data is easily affected during the process of carrying out the experiment⁹⁰Sr/⁹⁰During the research of Y, corresponding integration operations should be performed for convenience of experiments, safety and accuracy of experimental data.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pretreatment module for online measurement of water Sr-90, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a pretreatment module for online measurement of Sr-90 in a water body comprises a module frame, a liquid medicine tank storage rack, a liquid medicine tank, a peristaltic pump support, a peristaltic pump, a resin column mounting plate, a first resin column, a second resin column, a liquid collection tank support and a liquid collection tank, the liquid medicine tank storage rack is arranged at the bottom of the front surface of the module frame, the liquid medicine tank is arranged in the inner cavity of the liquid medicine tank storage rack, the peristaltic pump bracket is arranged at the bottom of the inner cavity of the module frame, the peristaltic pump is arranged on the peristaltic pump bracket, the resin column mounting plate is arranged at the top of the module frame, the first resin columns are arranged at the top of the resin column mounting plate in an equidistance penetrating way, the second resin column is installed at the top of the peristaltic pump support in a penetrating mode, the liquid collecting tank support is arranged at the top of the inner cavity of the module frame, and the liquid collecting tank is installed at the top of the liquid collecting tank support in a penetrating mode.

Preferably, a power box is arranged at the bottom of the right side of the module frame, cable sockets are arranged on the right side of the power box at equal intervals, and cable fixing heads are arranged on the bottom of the power box at equal intervals.

Preferably, the top on module frame right side is provided with the PH meter gauge outfit support, install the PH meter in the PH meter gauge outfit support.

Preferably, the number of the peristaltic pump supports is two, and the peristaltic pump supports are located right below the liquid collecting tank supports.

Preferably, peristaltic pumps are arranged on the top of the resin column mounting plate at equal intervals, and the number of the peristaltic pumps arranged on the resin column mounting plate is equal to that of the first resin columns.

Preferably, the second resin column is a DGA resin column and the first resin column is a cationic cation adsorption resin column.

Compared with the prior art, the utility model has the beneficial effects that:

1. this water Sr-90 is at-line measurement processing module, and whole process is that top-down goes on, adopts top-down's design, can realize in same platform equipment single operation peristaltic pump alright in order to realize the purpose of washing many times, has guaranteed not to have overlength time interval in the experimentation, improves the accuracy of data, and on the other hand whole process's continuity is higher, reduces the test time as far as possible, improves experimental efficiency, can also realize contactless's experiment at last, improves the security greatly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a right side view of the present invention.

In the figure: 1. a module frame; 2. a cable fixing head; 3. a cable socket; 4. a power supply box; 5. a liquid medicine tank storage rack; 6. a liquid medicine tank; 7. a peristaltic pump; 8. a peristaltic pump support; 9. a second resin column; 10 collecting a liquid tank; 11. a PH meter gauge head bracket; 12. a first resin column; 13 resin column mounting plates; 14. and a liquid collecting tank support.

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.

Referring to fig. 1-2, the present invention provides a technical solution: a pretreatment module for online measurement of Sr-90 in a water body comprises a module frame 1, a liquid medicine tank storage rack 5, a liquid medicine tank 6, a peristaltic pump bracket 8 and a peristaltic pump 7, resin post mounting panel 13, first resin post 12, second resin post 9, collect liquid jar support 14 and collect liquid jar 10, liquid jar storage rack 5 sets up in the positive bottom of module frame 1, the inner chamber at liquid jar storage rack 5 is installed to liquid jar 6, peristaltic pump support 8 sets up the bottom at module frame 1 inner chamber, peristaltic pump 7 sets up on peristaltic pump support 8, resin post mounting panel 13 sets up the top at module frame 1, the top at resin post mounting panel 13 is installed to first resin post 12 equidistance through type, the top at peristaltic pump support 8 is installed to second resin post 9 through type, collect liquid jar support 14 sets up the top at module frame 1 inner chamber, collect the top at liquid jar support 14 is installed to liquid jar 10 through type.

Wherein, the bottom on module frame 1 right side is provided with power pack 4, and the right side of power pack 4 equidistance is provided with cable socket 3, and the bottom equidistance of power pack 4 is provided with cable fixed head 2.

In this embodiment, adopt the design of circumscribed power, mainly be for the convenient transport that is suitable for various experimental scenes and equipment, when experimenting in different environment, can be suitable for on-the-spot power cord and carry out the electric power butt joint, just so can not have too much electric wire to exist in whole module, more succinct.

Wherein, the top on module frame 1 right side is provided with PH meter gauge head support 11, installs the PH meter in the PH meter gauge head support 11.

In the embodiment, 30L of filtered seawater is pumped out by the peristaltic pump, 8mol/L nitric acid is added, and the seawater is acidified to a pH value of 2, wherein the pH meter is mainly used for monitoring the pH value of the mixed solution in real time.

Wherein, the number of the peristaltic pump support 8 is two, and the peristaltic pump support 8 is positioned under the liquid collecting tank support 14.

In this embodiment, the upper and lower level are designed mainly to improve the continuity of the experiment, and the downward shift operation can be performed immediately after the previous step is completed.

The peristaltic pumps 7 are arranged on the top of the resin column mounting plate 13 at equal intervals, the number of the peristaltic pumps 7 arranged on the resin column mounting plate 13 is equal to that of the first resin columns 12, the second resin columns 9 are DGA resin columns, and the first resin columns 12 are cation adsorption resin columns.

In this embodiment, the number of the cation resin columns, i.e., the first resin columns 12, is at least three, so as to ensure the quality of the adsorption work of the cations in the mixed solution.

The working principle is as follows: firstly, washing a container with weak acidity, and then discharging to collect and treat; pumping out 30L of filtered seawater by a peristaltic pump on the resin column mounting plate 13, adding 8mol/L nitric acid, observing by a PH meter until the seawater is acidified to a pH value of 2, and simultaneously adding strontium and yttrium as carriers; washing a cation adsorption resin column (namely a first resin column 12) by using 8mol/L nitric acid at a flow speed of 2-3ml/min, allowing washing liquid to enter a DGA resin column (namely a second resin column 9), directly transferring the washing liquid through a pipeline, wherein the pipeline is designed to be detachable and replaceable, namely a pipeline is arranged at the bottom of the first resin column 12, and an outlet of the pipeline is connected with the second resin column 9 and then discharged; pumping a sample through a peristaltic pump, introducing the sample into a cation adsorption resin column, namely a first resin column 12, washing twice, directly discharging the two washing solutions, and collecting and treating; thirdly, washing a cation adsorption resin column (10ml), namely a first resin column 12, with 8mol/L nitric acid at the flow rate of 2-3ml/min and the flow rate of 80ml, and enabling washing liquid to enter a DGA resin column, namely a second resin column 9; the sample entering the DGA resin column, namely the second resin column 9 is pumped by a peristaltic pump at the flow rate of 1ml/min, then discharged and collected; and finally, washing a DGA resin column (10ml), namely a second resin column 9, by using 8mol/L nitric acid at the flow rate of 2-3ml/min and the flow rate of 10ml to obtain a mixed solution, and then carrying out a liquid flash operation step.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 a processing module before water Sr-90 is measured on line, includes module frame (1), medicinal liquid jar storage rack (5), medicinal liquid jar (6), peristaltic pump support (8), peristaltic pump (7), resin column mounting panel (13), first resin column (12), second resin column (9), album liquid jar support (14) and collection liquid jar (10), its characterized in that: the utility model discloses a peristaltic pump, including peristaltic pump support (13), first resin post (12) equidistance run-through type and install the top at peristaltic pump support (8), liquid medicine jar storage rack (5) sets up in the positive bottom of module frame (1), the inner chamber at liquid medicine jar storage rack (5) is installed in liquid medicine jar (6), peristaltic pump support (8) set up the bottom at module frame (1) inner chamber, peristaltic pump (7) set up on peristaltic pump support (8), resin post mounting panel (13) set up the top at module frame (1), the top at resin post mounting panel (13) is installed to first resin post (12) equidistance run-through type, the top at peristaltic pump support (8) is installed to second resin post (9) run-through type, liquid collection jar support (14) set up the top at module frame (1) inner chamber, the top at liquid collection jar support (14) is installed to liquid collection jar (10) run-through type.

2. The on-line measurement pretreatment module for Sr-90 water body according to claim 1, wherein: the module comprises a module frame (1) and is characterized in that a power box (4) is arranged at the bottom of the right side of the module frame (1), cable sockets (3) are arranged on the right side of the power box (4) at equal intervals, and cable fixing heads (2) are arranged on the bottom of the power box (4) at equal intervals.

3. The on-line measurement pretreatment module for Sr-90 water body according to claim 1, wherein: the top on module frame (1) right side is provided with PH meter gauge outfit support (11), install the PH meter in PH meter gauge outfit support (11).

4. The on-line measurement pretreatment module for Sr-90 water body according to claim 1, wherein: the number of the peristaltic pump supports (8) is two, and the peristaltic pump supports (8) are located under the liquid collecting tank support (14).

5. The on-line measurement pretreatment module for Sr-90 water body according to claim 1, wherein: peristaltic pumps (7) are arranged on the top of the resin column mounting plate (13) at equal intervals, and the number of the peristaltic pumps (7) arranged on the resin column mounting plate (13) is equal to that of the first resin columns (12).

6. The on-line measurement pretreatment module for Sr-90 water body according to claim 1, wherein: the second resin column (9) is a DGA resin column, and the first resin column (12) is a cation adsorption resin column.