CN214151073U - Radioactive gas detection device - Google Patents
Radioactive gas detection device Download PDFInfo
- Publication number
- CN214151073U CN214151073U CN202120066288.8U CN202120066288U CN214151073U CN 214151073 U CN214151073 U CN 214151073U CN 202120066288 U CN202120066288 U CN 202120066288U CN 214151073 U CN214151073 U CN 214151073U
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- Prior art keywords
- dissolving tank
- pump
- fixedly connected
- face
- radioactive gas
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- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 230000002285 radioactive effect Effects 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 40
- 239000002904 solvent Substances 0.000 claims abstract description 33
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000002000 scavenging effect Effects 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 11
- 238000005485 electric heating Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 238000000918 plasma mass spectrometry Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 10
- 238000009616 inductively coupled plasma Methods 0.000 description 6
- 238000001819 mass spectrum Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 5
- 241000883990 Flabellum Species 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The utility model discloses a radioactive gas detection device, which comprises a dissolving tank, wherein the bottom end surface of the dissolving tank is connected with a plurality of supporting columns, the left side of the upper end surface of the dissolving tank is provided with an air pump, the right side of the air pump is provided with a liquid inlet pump, the right side of the liquid inlet pump is provided with an exhaust pipe, a discharge pump is arranged under the dissolving tank, the right end surface of the dissolving tank is provided with a heating box, when whether the tail gas contains the reflective gas or not is required to be detected, the air pump is started to pump the tail gas into the dissolving tank, the liquid inlet pump is started to pump the nuclide absorption solvent into the dissolving tank, the reflective gas in the tail gas is dissolved into the nuclide absorption solvent, the nuclide absorption solvent is heated by the heating box to be heated and concentrated, after a certain time, an electromagnetic valve is opened and the discharge pump is started, and the concentrated nuclide absorption solvent containing the reflective elements is detected by inductive coupling plasma mass spectrometry, thereby realizing the detection of the reflective gas.
Description
Technical Field
The utility model relates to a radioactive gas detects technical field, specifically is a radioactive gas detection device.
Background
The radioactive gas detection is applied to a radiation monitoring system of a nuclear power station, and whether the pipeline is damaged or not and leakage is judged by detecting whether radioactive gas exists in various pipelines or not. The sensitivity of detecting radioactive gas is closely related to the performance of a detection device, generally, the detection of the radioactive gas is realized by manually sampling, continuously accumulating and sampling for 24 hours by using a filter membrane, and measuring by adopting a decay method after placing for a certain number of days, but the method has poor timeliness, is difficult to find abnormal periods and peak values of tail gas emission in time, cannot timely reflect the operation state of the process, and cannot quickly acquire the types and respective contents of key nuclides, so that the radioactive gas detection device is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a radioactive gas detection device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a radioactive gas detection device comprises a dissolving tank, wherein a plurality of support columns are fixedly connected to the bottom end face of the dissolving tank, an air pump is fixedly mounted on the left side of the upper end face of the dissolving tank, the input end of the air pump is connected with a reflective gas inlet pipe, the output end of the air pump is fixedly connected with one end of a radioactive gas outlet pipe, the other end of the radioactive gas outlet pipe extends into the inner bottom end of the dissolving tank, a liquid inlet pump is fixedly mounted on the upper end face of the dissolving tank and positioned on the right side of the air pump, the input end of the liquid inlet pump is fixedly connected with a storage tank for absorbing a nuclide solvent through a pipeline, the output end of the liquid inlet pump is communicated with the inside of the dissolving tank through a pipeline, an exhaust pipe is fixedly connected to the upper end face of the dissolving tank and positioned on the right side of the liquid inlet pump, a discharge pump is placed under the dissolving tank, and the input end of the discharge pump is fixedly connected with the inner bottom end of the dissolving tank through a pipeline, the output of discharge pump is connected with the discharging pipe, install the solenoid valve on the pipeline of the input of discharge pump and the connection of dissolving tank, the right-hand member face fixedly connected with backup pad of dissolving tank, the up end fixed mounting of backup pad has the heating cabinet, the air intake has been seted up to the up end of heating cabinet, and the up end of heating cabinet has the motor through mounting bracket fixed mounting, a plurality of flabellums of output fixedly connected with of motor, the below fixed mounting that the inside of heating cabinet lies in the flabellum has the heating wire, the heating chamber has been seted up to the casing inside of dissolving tank, the left end face of heating cabinet communicates with each other through the inside with the heating chamber, the left end face fixedly connected with outlet duct of dissolving tank, and the outlet duct communicates with each other with the heating intracavity portion.
Preferably, the reflective gas inlet pipe is provided with a flowmeter, and the front side surface of the dissolving tank is embedded with a transparent observation window.
Preferably, be provided with the scavenging pump between feed liquor pump and the blast pipe, scavenging pump fixed mounting is at the up end of dissolving tank, the input of scavenging pump passes through pipeline fixedly connected with washing solvent holding vessel, the interior top fixed mounting of dissolving tank has the hydrojet pipe, install a plurality of shower nozzles on the hydrojet pipe, the output of scavenging pump passes through pipeline and hydrojet pipe fixed connection.
Preferably, a plurality of first baffles are fixedly connected to the inner left side wall of the dissolving tank, a plurality of second baffles are fixedly connected to the inner right side wall of the dissolving tank, and the first baffles and the second baffles are staggered and arranged at equal intervals.
Preferably, a temperature sensor is embedded in the shell of the dissolving tank.
Preferably, the left end face of dissolving tank is located the top fixed mounting of outlet duct and has the controller, the leading flank of controller inlays and is equipped with the display screen, the controller is respectively through the signal input part of wire and display screen, the signal input part of aspiration pump, the signal output part of flowmeter, the signal input part of feed liquor pump, the signal input part of scavenging pump, temperature sensor's signal output part, the signal input part of motor, the signal input part of ejection of compact pump, the signal input part of solenoid valve, the signal input part electric connection of heating wire.
Compared with the prior art, the beneficial effects of the utility model are that: when the tail gas is required to be detected whether to contain the reflective gas or not, an air suction pump is started to suck the tail gas into a dissolving tank, a liquid inlet pump is started to suck a nuclide absorption solvent into the dissolving tank, the reflective gas in the tail gas is dissolved into the nuclide absorption solvent, a motor and an electric heating wire are started during the dissolving process, hot air is generated and enters the heating cavity under the action of rotation of fan blades to heat the dissolving tank, the nuclide absorption solvent is heated and concentrated during the heating process, the detection precision of subsequent reflective gas is improved, an exhaust pipe is used for exhausting the tail gas and enters subsequent treatment, the concentrated nuclide absorption solvent is obtained after the tail gas is heated for a certain time, an electromagnetic valve is opened and a discharge pump is started, a discharge pipe on the discharge pump is connected with an inductively coupled plasma mass spectrum, and the concentrated nuclide absorption solvent containing the reflective element is detected through the inductively coupled plasma mass spectrum, therefore, the detection of the reflective gas is realized, the detection precision is high, the manual sampling is avoided, and the detection efficiency is high.
Drawings
FIG. 1 is a schematic front view of a main structure of a radioactive gas detection apparatus;
FIG. 2 is a schematic sectional front view of a main structure of a radioactive gas detection apparatus;
fig. 3 is an enlarged view of a structure a in fig. 2 of a radioactive gas detection apparatus.
In the figure: 1-support column, 2-transparent observation window, 3-dissolving tank, 4-air outlet pipe, 5-controller, 6-flowmeter, 7-air pump, 8-liquid inlet pump, 9-cleaning pump, 10-air outlet pipe, 11-motor, 12-heating box, 13-support plate, 14-discharge pump, 15-electromagnetic valve, 16-heating cavity, 17-radioactive gas outlet pipe, 18-liquid spray pipe, 19-temperature sensor, 20-second baffle, 21-first baffle, 22-fan blade, 23-electric heating wire and 24-reflective gas inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a radioactive gas detection device comprises a dissolving tank 3, wherein the bottom end face of the dissolving tank 3 is fixedly connected with a plurality of supporting columns 1, the left side of the upper end face of the dissolving tank 3 is fixedly provided with an air pump 7, the input end of the air pump 7 is connected with a reflective gas inlet pipe 24, the output end of the air pump 7 is fixedly connected with one end of a radioactive gas outlet pipe 17, the other end of the radioactive gas outlet pipe 17 extends into the inner bottom end of the dissolving tank 3, the upper end face of the dissolving tank 3 is fixedly provided with a liquid inlet pump 8 positioned on the right side of the air pump 7, the input end of the liquid inlet pump 8 is fixedly connected with a storage tank for nuclide absorption solvent through a pipeline, the output end of the liquid inlet pump 8 is communicated with the inside of the dissolving tank 3 through a pipeline, the upper end face of the dissolving tank 3 is fixedly connected with an exhaust pipe 10 positioned on the right side of the liquid inlet pump 8, and a discharge pump 14 is placed under the dissolving tank 3, the input end of the discharge pump 14 is fixedly connected with the inner bottom end of the dissolving tank 3 through a pipeline, the output end of the discharge pump 14 is connected with a discharge pipe, the input end of the discharge pump 14 is connected with the pipeline of the dissolving tank 3 through a solenoid valve 15, the right end face of the dissolving tank 3 is fixedly connected with a support plate 13, the upper end face of the support plate 13 is fixedly provided with a heating box 12, the upper end face of the heating box 12 is provided with an air inlet, the upper end face of the heating box 12 is fixedly provided with a motor 11 through a mounting frame, the output end of the motor 11 is fixedly connected with a plurality of fan blades 22, the inside of the heating box 12 is fixedly provided with heating wires 23 positioned below the fan blades 22, a heating cavity 16 is arranged inside the shell of the dissolving tank 3, the left end face of the heating box 12 is communicated with the inside of the heating cavity 16 through a pipeline, the left end face of the dissolving tank 3 is fixedly connected with an air outlet pipe 4, and the outlet pipe 4 is communicated with the inside of the heating chamber 16.
When whether the tail gas contains the reflective gas or not needs to be detected, an air suction pump 7 is started to suck the tail gas into a dissolving tank 3, a liquid inlet pump 8 is started to suck a nuclide absorption solvent into the dissolving tank 3, the reflective gas in the tail gas is dissolved into the nuclide absorption solvent, a motor 11 and an electric heating wire 23 are started during the dissolving process, hot air is generated and enters the heating cavity 16 under the rotating action of a fan blade 22, so that the dissolving tank 3 is heated, the nuclide absorption solvent is heated and concentrated during the heating, the detection precision of subsequent reflective gas is improved, an exhaust pipe 10 is used for exhausting the tail gas and enters subsequent treatment, after the tail gas is heated for a certain time, the concentrated nuclide absorption solvent is obtained, an electromagnetic valve 15 is opened and a discharge pump 14 is started, a discharge pipe on the discharge pump 14 is connected with an inductively coupled plasma mass spectrum, and the concentrated nuclide absorption solvent containing reflective elements is detected through the inductively coupled plasma mass spectrum, therefore, the detection of the reflective gas is realized, the detection precision is high, the manual sampling is avoided, and the detection efficiency is high.
The flowmeter 6 is installed on the reflective gas inlet pipe 24, the transparent observation window 2 is embedded in the front side face of the dissolving tank 3, the arranged flowmeter 6 is convenient for personnel to know the tail gas amount entering the dissolving tank 3, so that the content of the reflective gas in the tail gas can be conveniently calculated subsequently, and the arranged transparent observation window 2 is convenient for the personnel to observe the color change of the nuclide dissolving agent in the dissolving tank 3.
Be provided with scavenging pump 9 between feed liquor pump 8 and the blast pipe 10, scavenging pump 9 fixed mounting is at the up end of dissolving tank 3, the input of scavenging pump 3 passes through pipeline fixedly connected with cleaning solvent holding vessel, the interior top fixed mounting of dissolving tank 3 has spray tube 18, install a plurality of shower nozzles on the spray tube 18, the output of scavenging pump 9 passes through pipeline and spray tube 18 fixed connection.
After the detection is finished, the cleaning pump 9 is started, the cleaning solvent is sprayed into the dissolving tank 3 through the spray head on the liquid spraying pipe 18, the dissolving tank 3 is cleaned, the electromagnetic valve 15 is opened again after the cleaning, the discharging pump 14 is started to pump out the cleaning solvent, and therefore the next detection is facilitated.
A plurality of first baffles 21 of interior left lateral wall fixedly connected with of dissolving tank 3, a plurality of second baffles 20 of interior right lateral wall fixedly connected with of dissolving tank 3, first baffle 21 misplaces and equidistant setting with second baffle 20.
The first baffle 21 and the second baffle 20 are both used for prolonging the contact time of the reflective gas and the nuclide absorption solvent, so that the reflective gas can be completely dissolved in the nuclide absorption solvent, and the detection accuracy is effectively improved.
The shell of the dissolving tank 3 is embedded with a temperature sensor 19, and the temperature sensor 19 is convenient for personnel to know the temperature inside the dissolving tank 3, so that the personnel can control the motor 11 and the heating wire 23 to be turned off or on conveniently.
Dissolving tank 3's left end face and the top fixed mounting that is located outlet duct 4 have controller 5, controller 5's leading flank inlays and is equipped with the display screen, controller 5 is respectively through the signal input part of wire and display screen, the signal input part of aspiration pump 7, the signal output part of flowmeter 6, the signal input part of feed liquor pump 8, the signal input part of scavenging pump 9, temperature sensor 19's signal output part, motor 11's signal input part, discharge pump 14's signal input part, solenoid valve 15's signal input part, the signal input part electric connection of heating wire 23, the display screen of setting is used for showing the exhaust flow that flowmeter 6 detected, shows the temperature registration that temperature sensor 19 detected simultaneously.
The utility model discloses a theory of operation: when whether the tail gas contains the reflective gas or not needs to be detected, an air suction pump 7 is started to suck the tail gas into a dissolving tank 3, a liquid inlet pump 8 is started to suck a nuclide absorption solvent into the dissolving tank 3, the reflective gas in the tail gas is dissolved into the nuclide absorption solvent, a motor 11 and an electric heating wire 23 are started during the dissolving process, hot air is generated and enters the heating cavity 16 under the rotating action of a fan blade 22, so that the dissolving tank 3 is heated, the nuclide absorption solvent is heated and concentrated during the heating, the detection precision of subsequent reflective gas is improved, an exhaust pipe 10 is used for exhausting the tail gas and enters subsequent treatment, after the tail gas is heated for a certain time, the concentrated nuclide absorption solvent is obtained, an electromagnetic valve 15 is opened and a discharge pump 14 is started, a discharge pipe on the discharge pump 14 is connected with an inductively coupled plasma mass spectrum, and the concentrated nuclide absorption solvent containing reflective elements is detected through the inductively coupled plasma mass spectrum, thereby realize the detection to the reflective gas, the detection precision is high, meanwhile, the manual sampling is avoided, the detection efficiency is high, the flowmeter 6 is arranged to facilitate the personnel to know the amount of the tail gas entering the dissolving tank 3, thereby facilitating the subsequent calculation of the content of the reflective gas in the tail gas, the transparent observation window 2 is arranged to facilitate the personnel to observe the color change of the nuclide dissolving agent in the dissolving tank 3, after the detection is finished, the cleaning pump 9 is started to spray the cleaning solvent into the dissolving tank 3 through the spray nozzle on the spray pipe 18, the dissolving tank 3 is cleaned, after the cleaning, the electromagnetic valve 15 is opened again and the discharge pump 14 is started to extract the cleaning solvent, thereby facilitating the next detection, the first baffle 21 and the second baffle 20 are arranged to prolong the contact time of the reflective gas and the nuclide absorption solvent, thereby the reflective gas can be completely dissolved in the nuclide absorption solvent, the accuracy of detection is effectively improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A radioactive gas detection apparatus includes a dissolving tank (3), characterized in that: the bottom end face of the dissolving tank (3) is fixedly connected with a plurality of supporting columns (1), the left side of the upper end face of the dissolving tank (3) is fixedly provided with an air pump (7), the input end of the air pump (7) is connected with a reflective gas inlet pipe (24), the output end of the air pump (7) is fixedly connected with one end of a radioactive gas outlet pipe (17), the other end of the radioactive gas outlet pipe (17) extends into the inner bottom end of the dissolving tank (3), the upper end face of the dissolving tank (3) is positioned at the right side of the air pump (7) and is fixedly provided with a liquid inlet pump (8), the input end of the liquid inlet pump (8) is fixedly connected with a storage tank of nuclide absorption solvent through a pipeline, the output end of the liquid inlet pump (8) is communicated with the inside of the dissolving tank (3) through a pipeline, the upper end face of the dissolving tank (3) is positioned at the right side of the liquid inlet pump (8) and is fixedly connected with an exhaust pipe (10), a discharge pump (14) is placed under the dissolving tank (3), the input end of the discharge pump (14) is fixedly connected with the inner bottom end of the dissolving tank (3) through a pipeline, the output end of the discharge pump (14) is connected with a discharge pipe, an electromagnetic valve (15) is installed on the pipeline connecting the input end of the discharge pump (14) and the dissolving tank (3), the right end face of the dissolving tank (3) is fixedly connected with a support plate (13), the upper end face of the support plate (13) is fixedly provided with a heating box (12), the upper end face of the heating box (12) is provided with an air inlet, the upper end face of the heating box (12) is fixedly provided with a motor (11) through a mounting frame, the output end of the motor (11) is fixedly connected with a plurality of fan blades (22), the heating box (12) is fixedly provided with an electric heating wire (23) inside and below the fan blades (22), heating chamber (16) have been seted up to the casing of dissolving tank (3) inside, the left end face of heating cabinet (12) communicates with each other through the inside with heating chamber (16), the left end face fixedly connected with outlet duct (4) of dissolving tank (3), and outlet duct (4) communicate with each other with heating chamber (16) inside.
2. A radioactive gas detection apparatus according to claim 1, wherein: the reflective gas inlet pipe (24) is provided with a flowmeter (6), and the front side surface of the dissolving tank (3) is embedded with a transparent observation window (2).
3. A radioactive gas detection apparatus according to claim 2, wherein: be provided with scavenging pump (9) between feed liquor pump (8) and blast pipe (10), scavenging pump (9) fixed mounting is at the up end of dissolving tank (3), the input of scavenging pump passes through pipeline fixedly connected with washing solvent holding vessel, the interior top fixed mounting of dissolving tank (3) has spray tube (18), install a plurality of shower nozzles on spray tube (18), the output of scavenging pump (9) passes through pipeline and spray tube (18) fixed connection.
4. A radioactive gas detection apparatus according to claim 3, wherein: the interior left side wall fixedly connected with of dissolving tank (3) a plurality of first baffles (21), the interior right side wall fixedly connected with of dissolving tank (3) a plurality of second baffles (20), first baffle (21) and second baffle (20) dislocation and equidistant setting.
5. The radioactive gas detection apparatus according to claim 4, wherein: and a temperature sensor (19) is embedded in the shell of the dissolving tank (3).
6. A radioactive gas detection apparatus according to claim 5, wherein: the left end face of dissolving tank (3) is located the top fixed mounting of outlet duct (4) and has controller (5), the leading flank of controller (5) is inlayed and is equipped with the display screen, signal input part, the signal output part of flowmeter (6), the signal input part of feed liquor pump (8), the signal input part of scavenging pump (9), the signal output part of temperature sensor (19), the signal input part of motor (11), the signal input part of ejection of compact pump (14), the signal input part of solenoid valve (15), the signal input part electric connection of heating wire (23) of wire and display screen are passed through respectively in controller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120066288.8U CN214151073U (en) | 2021-01-11 | 2021-01-11 | Radioactive gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120066288.8U CN214151073U (en) | 2021-01-11 | 2021-01-11 | Radioactive gas detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214151073U true CN214151073U (en) | 2021-09-07 |
Family
ID=77547210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120066288.8U Expired - Fee Related CN214151073U (en) | 2021-01-11 | 2021-01-11 | Radioactive gas detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214151073U (en) |
-
2021
- 2021-01-11 CN CN202120066288.8U patent/CN214151073U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |