CN216926252U - Tritium gas and carbon gas combined sampling, sample preparation and sample introduction automation device - Google Patents
Tritium gas and carbon gas combined sampling, sample preparation and sample introduction automation device Download PDFInfo
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- CN216926252U CN216926252U CN202220046245.8U CN202220046245U CN216926252U CN 216926252 U CN216926252 U CN 216926252U CN 202220046245 U CN202220046245 U CN 202220046245U CN 216926252 U CN216926252 U CN 216926252U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
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Abstract
The utility model provides an automatic tritium and carbon gas combined sampling, sample preparation and sample introduction device, which comprises: the device comprises a shell, a heating unit and a cooling unit which are arranged in the shell, an air inlet arranged at the upper part of the shell, and dust filter paper, a water vapor filter, a tritium carbon catalytic oxidation furnace, a sampling bottle and an air pump which are arranged in the shell and are sequentially connected through a pipeline; the air inlet is arranged outside the shell and is connected with the dust filter paper pipeline; the heating unit comprises a heating pipe, and the cooling unit comprises a cooling liquid pump, a semiconductor refrigeration module, a temperature sensor and a cooling pipe which are sequentially connected in a closed loop manner; the heating pipe and the cooling pipe are arranged in the sampling bottle; the bottom of the sampling bottle is provided with a screw port, and the sampling bottle is provided with an upper bottle cap and a lower bottle cap; the sampling bottle is screwed and sealed through a bi-pass bottle cap to ensure the sealing performance of the sampling bottle. The device is internally provided with a set of refrigerating system, so that the temperature of gas entering the sampling bottle is not too high, and the evaporation of sampling liquid is reduced.
Description
Technical Field
The utility model relates to the technical field of automatic tritium sample preparation, in particular to an automatic tritium and carbon gas combined sampling, sample preparation and sample introduction device.
Background
Tritium is a radioactive substance with a half-life of 12.6 years. Most of the tritium in the air eventually forms tritium water-water vapor, which enters the water circulation together with ordinary water, thus easily exposing human beings to radiation. In the environment protection work, the monitoring of the content of tritium in water and air is generally regarded internationally, and in the existing Kan monitoring method, an indirect measurement method is obviously superior to other methods, but at present, in order to realize automatic sampling and sample preparation, the automatic bottle sealing process is involved. The current sample bottle has insufficient sealing performance.
In summary, the following problems exist in the prior art: the sealing property of a tritium sampling bottle for sampling and sample preparation is insufficient.
SUMMERY OF THE UTILITY MODEL
The utility model solves the technical problem of how to solve the problems that the existing heat accumulating type electric heater can not realize heat supply control and can not adjust heat supply according to requirements.
In order to achieve the above object, the present invention provides an automatic tritium and carbon gas sampling, sample preparation and sample introduction device, which comprises:
the device comprises a shell, a heating unit and a cooling unit which are arranged in the shell, an air inlet which is arranged at the upper part of the shell, and dust filter paper, a water vapor filter, a tritium carbon catalytic oxidation furnace, a sampling bottle and an air pump which are arranged in the shell and are sequentially connected through a pipeline;
The air inlet is arranged outside the shell and is connected with the dust filter paper pipeline; the heating unit comprises a heating pipe, and the cooling unit comprises a cooling liquid pump, a semiconductor refrigeration module, a temperature sensor and a cooling pipe which are sequentially connected in a closed loop manner;
the heating pipe and the cooling pipe are arranged in the sampling bottle; the bottom of the sampling bottle is provided with a screw port, and the sampling bottle is provided with an upper bottle cap and a lower bottle cap;
the sampling bottle includes: a total tritium sampling bottle and a total carbon sampling bottle; the full tritium sampling bottle is connected with the full carbon sampling bottle through a pipeline; the full-tritium sampling bottle is connected with the tritium-carbon catalytic oxidation furnace through a pipeline, and the full-carbon sampling bottle is connected with the air pump.
Specifically, the upper bottle cap and the lower bottle cap are provided with sealing gaskets at the contact positions with the sampling bottle.
Specifically, the air pump is communicated with an air outlet, and the air outlet is arranged on the outer side of the shell.
Specifically, a back flushing port is arranged on a pipeline connecting the total tritium sampling bottle and the tritium-carbon catalytic oxidation furnace.
Specifically, a display panel and an aviation plug are arranged in front of the shell, the aviation plug is arranged below the display panel, and the aviation plug is connected with the air pump, the heating pipe and the cooling liquid pump.
Specifically, the device further comprises a control box, and the control box is connected with the aviation plug.
Specifically, 2 external pipes are arranged below the lower bottle cap.
Specifically, the external diameter of the externally-connected pipe is 8 mm.
Specifically, one of the 2 external pipes is communicated with the collecting bottle, and the other pipe is communicated with the sampling liquid bottle or the deionized water bottle.
Specifically, the collecting bottle, the sampling liquid bottle and the deionized water bottle are arranged on one side outside the shell.
The utility model has the beneficial effects that: the apparatus provided herein can be used for combined sampling of tritiated water (HTO), gaseous tritium (HT or organic tritium), inorganic carbon (CO, CO2), and organic Carbon (CHX) in the environment, discharge stacks, or process piping. The steps of adding liquid, tightly covering a bottle cap, uniformly mixing and the like are realized, and the automation is ensured without the need of personnel operation. The bottom opening of the sampling bottle is provided with a screw, the sampling bottle is screwed and sealed through a bi-pass bottle cap, and a silica gel sealing gasket is added at the contact part of the bottle cap and the sampling bottle for sealing, so that the sealing performance of the sampling bottle is ensured, and the sampling bottle is convenient to disassemble and maintain. The device is internally provided with a set of refrigerating system for cooling the heated sampling gas so as to ensure that the temperature of the gas entering the sampling bottle is not too high and the evaporation of the sampling liquid is reduced, and the refrigerating temperature is below 10 ℃.
Drawings
Fig. 1 is a schematic structural diagram of an automatic tritium-carbon gas combined sampling, sample preparation and sample injection device provided in an embodiment of the present invention;
fig. 2 is a sampling flow chart of an automatic tritium-carbon gas combined sampling, sample preparation and sample introduction device provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a refrigeration unit of an automatic tritium-carbon gas combined sampling, sample preparation and sample injection device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a sampling bottle of the tritium gas and carbon gas combined sampling, sample preparation and sample introduction automation device provided by the embodiment of the utility model.
The reference numbers indicate:
1. a housing; 2. an air inlet; 3. a total tritium sampling bottle; 4. a full carbon sampling bottle; 5. a display panel; 6. an aviation plug; 31. a bottle cap is put down; 32. an externally connected pipe.
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.
In an embodiment of the present invention, as shown in fig. 1, an automatic tritium gas and carbon gas combined sampling, sample preparation and sample injection device is provided, which includes: as shown in fig. 2:
the device comprises a shell 1, a heating unit and a cooling unit which are arranged in the shell 1, an air inlet 2 which is arranged at the upper part of the shell, and dust filter paper, a water vapor filter, a tritium-carbon catalytic oxidation furnace, a sampling bottle and an air pump which are arranged in the shell and are sequentially connected through a pipeline;
the air inlet 2 is arranged outside the shell and is connected with the dust filter paper pipeline; the heating unit comprises a heating pipe, and as shown in fig. 3, the cooling unit comprises a cooling liquid pump, a semiconductor refrigeration module, a temperature sensor and a cooling pipe which are connected in sequence in a closed loop manner;
the heating pipe and the cooling pipe are arranged in the sampling bottle; the bottom of the sampling bottle is provided with a screw port, and the sampling bottle is provided with an upper bottle cap and a lower bottle cap 31; the bottom opening of the sampling bottle is provided with a screw, the sampling bottle is screwed and sealed through a bi-pass bottle cap, and a silica gel sealing gasket is added at the contact part of the bottle cap and the sampling bottle for sealing, so that the sealing performance of the sampling bottle is ensured, and the sampling bottle is convenient to disassemble and maintain.
The sampling bottle includes: a total tritium sampling bottle 3 and a total carbon sampling bottle 4; the full tritium sampling bottle is connected with the full carbon sampling bottle through a pipeline; the full-tritium sampling bottle is connected with a tritium-carbon catalytic oxidation furnace pipeline, and the full-carbon sampling bottle is connected with the air pump. The sampled gas firstly enters a full tritium sampling bottle to sample tritium; then passes through a pair of full-carbon sampling bottles 14C (carbon 14) was sampled.
The upper bottle cap and the lower bottle cap 31 are provided with sealing gaskets at the contact positions with the sampling bottle. The sealing performance of the sampling bottle is improved.
The air pump is communicated with the air outlet, and the air outlet is arranged on the outer side of the shell. Facilitating the gas discharge.
A back flushing port is arranged on a pipeline connecting the total tritium sampling bottle and the tritium-carbon catalytic oxidation furnace. The back flushing port prevents the washing water from flowing backwards.
The front of the shell is provided with a display panel 5 and an aviation plug 6, the aviation plug 6 is arranged below the display panel 5, and the aviation plug is connected with the air pump, the heating pipe and the cooling liquid pump.
The device also comprises a control box, and the control box is connected with the aviation plug. Aviation plug includes female head and public head, and female head is installed on the front panel of casing, and public head will connect good 2 heart yearns and reserve for PLC, realizes starting or closing aspiration pump, heating function and refrigeration function through PLC control circuit's break-make.
As shown in fig. 4, 2 circumscribed pipes 32 are provided under the lower cap 31. One path of the external pipe at the bottom is used for discharging the sampling liquid, and the other path is used for adding the sampling liquid or adding deionized water to clean the sampling bottle.
The external diameter of the externally-connected pipe is 8 mm. And a silica gel tube with the diameter of 8mm is connected with the large collecting bottle at the lower layer.
One of the 2 external pipes is communicated with the collecting bottle, and the other pipe is communicated with the sampling liquid bottle or the deionized water bottle.
The collecting bottle, the sampling liquid bottle and the deionized water bottle are arranged on one side outside the shell. And respectively pumping clean water from the upper part of each of 4 sampling bottles (the specification is 250ml) and 2 storage bottles (collecting bottles) by using a peristaltic pump, leaching by using the clean water, and discharging the leached waste liquid from the lower part by using the peristaltic pump.
The device provided by the application can be used for tritiated water (HTO), gaseous tritium (HT or organic tritium), inorganic carbon (CO, CO) in environment, discharge chimney or process pipeline2) And organic Carbon (CHX) were sampled jointly. The steps of adding liquid, tightly covering a bottle cap, uniformly mixing and the like are realized, and the automation is ensured without the need of personnel operation. The bottom opening of the sampling bottle is provided with a screw, the sampling bottle is screwed and sealed through a bi-pass bottle cap, and a silica gel sealing gasket is added at the contact part of the bottle cap and the sampling bottle for sealing, so that the sealing performance of the sampling bottle is ensured, and the sampling bottle is convenient to disassemble and maintain. The device is internally provided with a set of refrigerating system for cooling the heated sampling gas so as to ensure that the temperature of the gas entering the sampling bottle is not too high and the evaporation of the sampling liquid is reduced, and the refrigerating temperature is below 10 ℃.
Example (b):
the utility model discloses an automatic tritium and carbon gas combined sampling, sample preparation and sample introduction device, as shown in figure 1, sampled gas enters the device from a gas inlet and a three-way electromagnetic valve, and is firstly treated by a tritium-carbon catalytic oxidation furnace to introduce gaseous tritium (HT or organic tritium),Oxidation of CO and organic Carbon (CHX) to tritiated water (HTO) and CO2Firstly, putting into a total tritium sampling bottle to sample tritium; then passes through the pair of all-carbon sampling bottles14C (carbon 14) was sampled. The sampler (sampling bottle) is internally provided with a set of refrigerating system for cooling the heated sampling gas so as to ensure that the temperature of the gas entering the sampling bottle is not too high and the evaporation of the sampling liquid is reduced, and the refrigerating temperature is below 10 ℃.
The device provided by the application can be used for tritiated water (HTO), gaseous tritium (HT or organic tritium), inorganic carbon (CO, CO) in environment, discharge chimney or process pipeline2) And organic Carbon (CHX) were sampled jointly. The steps of adding liquid, tightly covering a bottle cap, uniformly mixing and the like are realized, and the automation is ensured without the need of personnel operation. The bottom opening of the sampling bottle is provided with a screw, the sampling bottle is screwed and sealed through a bi-pass bottle cap, and a silica gel sealing gasket is added at the contact part of the bottle cap and the sampling bottle for sealing, so that the sealing performance of the sampling bottle is ensured, and the sampling bottle is convenient to disassemble and maintain. The device is internally provided with a set of refrigerating system for cooling the heated sampling gas so as to ensure that the temperature of the gas entering the sampling bottle is not too high and the evaporation of the sampling liquid is reduced, and the refrigerating temperature is below 10 ℃.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. In order that the components of the present invention may be combined without conflict, it is within the scope of the present invention that any person skilled in the art may make equivalent changes and modifications without departing from the spirit and principle of the present invention.
Claims (10)
1. The utility model provides a tritium, gaseous joint sampling system appearance of carbon advance automation equipment which characterized in that includes:
the device comprises a shell, a heating unit and a cooling unit which are arranged in the shell, an air inlet which is arranged at the upper part of the shell, and dust filter paper, a water vapor filter, a tritium carbon catalytic oxidation furnace, a sampling bottle and an air pump which are arranged in the shell and are sequentially connected through a pipeline;
the air inlet is arranged outside the shell and is connected with the dust filter paper pipeline; the heating unit comprises a heating pipe, and the cooling unit comprises a cooling liquid pump, a semiconductor refrigeration module, a temperature sensor and a cooling pipe which are sequentially connected in a closed loop manner;
the heating pipe and the cooling pipe are arranged in the sampling bottle; the bottom of the sampling bottle is provided with a screw port, and the sampling bottle is provided with an upper bottle cap and a lower bottle cap;
The sampling bottle includes: a total tritium sampling bottle and a total carbon sampling bottle; the full tritium sampling bottle is connected with the full carbon sampling bottle through a pipeline; the full-tritium sampling bottle is connected with a tritium-carbon catalytic oxidation furnace pipeline, and the full-carbon sampling bottle is connected with the air pump.
2. The automatic tritium and carbon gas combined sampling, sample preparation and sample introduction device as claimed in claim 1, wherein the upper bottle cap and the lower bottle cap are provided with sealing gaskets at the contact positions with the sampling bottle.
3. The automatic tritium and carbon gas combined sampling, sample preparation and sample introduction device as claimed in claim 1, wherein the gas pump is communicated with a gas outlet, and the gas outlet is located outside the housing.
4. The automatic tritium-carbon gas combined sampling, sample preparation and sample introduction device as claimed in claim 1, wherein a back-flushing port is arranged on a pipeline connecting the full tritium sampling bottle and the tritium-carbon catalytic oxidation furnace.
5. The automatic tritium and carbon gas combined sampling, sample preparation and sample injection device as claimed in claim 1, wherein a display panel and an aviation plug are arranged in front of the housing, the aviation plug is arranged below the display panel, and the aviation plug is connected with the air pump, the heating pipe and the cooling liquid pump.
6. The automatic tritium and carbon gas combined sampling, sample preparation and sample introduction device according to claim 5, further comprising a control box, wherein the control box is connected with the aviation plug.
7. The tritium and carbon gas combined sampling, sample preparation and sample introduction automation device of claim 2, characterized in that 2 external pipes are arranged below the lower bottle cap.
8. The automatic tritium and carbon gas combined sampling, sample preparation and sample introduction device according to claim 7, wherein the external pipe has an outer diameter of 8 mm.
9. The automatic tritium and carbon gas combined sampling, sample preparation and sample introduction device according to claim 7, wherein one of the 2 external tubes is communicated with a collection bottle, and the other tube is communicated with a sampling liquid bottle or a deionized water bottle.
10. The automatic tritium and carbon gas combined sampling, sample preparation and sample introduction device according to claim 9, wherein the collection bottle, the sampling liquid bottle and the deionized water bottle are disposed at one side outside the housing.
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CN202220046245.8U CN216926252U (en) | 2022-01-10 | 2022-01-10 | Tritium gas and carbon gas combined sampling, sample preparation and sample introduction automation device |
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CN202220046245.8U CN216926252U (en) | 2022-01-10 | 2022-01-10 | Tritium gas and carbon gas combined sampling, sample preparation and sample introduction automation device |
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