CN114550963A - Radioactive wastewater discharge monitoring system - Google Patents
Radioactive wastewater discharge monitoring system Download PDFInfo
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- CN114550963A CN114550963A CN202210161063.XA CN202210161063A CN114550963A CN 114550963 A CN114550963 A CN 114550963A CN 202210161063 A CN202210161063 A CN 202210161063A CN 114550963 A CN114550963 A CN 114550963A
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/04—Treating liquids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/167—Measuring radioactive content of objects, e.g. contamination
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The invention discloses a radioactive wastewater discharge monitoring system, which comprises the following steps: s1, collecting the radioactive sewage by using a sewage storage well, and then transmitting the radioactive sewage; s2, carrying out precipitation treatment on the transmitted radioactive sewage by using a medicament; s3, carrying out radioactive decay treatment and detection on the treated radioactive sewage; and S4, uniformly storing the treated sewage and uniformly treating the sewage. According to the radioactive wastewater discharge monitoring system, due to the arrangement of the radioactive wastewater discharge monitoring system, impurity precipitation treatment can be carried out on radioactive wastewater, the impurities are prevented from being polluted in the subsequent discharge process, decay treatment can be carried out on the radioactive wastewater, the influence of radioactivity on the environment and a water source is avoided, and the system device is provided with the electric control valve body and the detection device in cooperation with the storage unit, so that the system can automatically run.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a radioactive wastewater discharge monitoring system.
Background
At present, nuclear medicine departments of hospitals use isotopes to carry out imaging diagnosis and treatment, but excrement generated after patients take and inject radioactive isotopes in the diagnosis and treatment processes carries radioactive wastewater, for example, patients need to inject radioactive drugs such as Tc-99m, F-18 and the like in ECT and PET-CT image examination, and stool and urine generated in the process and medical personnel split injection of cleaning water and stool and cleaning water generated in the process of hospitalization of thyroid nuclide treatment patients belong to radioactive wastewater, cannot be directly discharged, and appropriate treatment is required to be carried out, so that the radioactivity of the wastewater is reduced below the state-specified safety value and can be discharged into water or urban sewers; the existing radioactive wastewater discharge monitoring system has certain defects when in use, internal impurities cannot be fully precipitated and are discharged, the radioactive wastewater is not fully decayed, and meanwhile, the treatment process needs manual cooperation intervention and cannot be fully automated.
Disclosure of Invention
The invention mainly aims to provide a radioactive wastewater discharge monitoring system which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a radioactive wastewater discharge monitoring system comprising the steps of: s1, collecting the radioactive sewage by using a sewage storage well, and then transmitting the radioactive sewage;
s2, carrying out precipitation treatment on the transmitted radioactive sewage by using a medicament;
s3, carrying out radioactive decay treatment and detection on the treated radioactive sewage;
and S4, uniformly storing the treated sewage and uniformly treating the sewage.
In order to enable the sewage storage well to transfer and store sewage, the radioactive sewage discharge monitoring system comprises a sewage inlet valve and a sewage discharge pipe for conducting drainage transmission on the discharged radioactive sewage in step S1, the transmitted sewage is stored in the sewage storage well firstly, after a certain amount of sewage is collected, the sewage is transferred and transmitted to a sewage core through a sewage outlet valve, and the sewage inlet valve, the sewage discharge pipe, the sewage storage well and the sewage outlet valve form a sewage discharge unit.
In order to fully precipitate impurities in radioactive sewage, the radioactive sewage can pass through a first slag settling tank and a second slag settling tank in sequence in step S2, a solvent tank is arranged to inject a medicament into the first slag settling tank and the second slag settling tank to accelerate impurity precipitation in the slag settling process, and the first slag settling tank, the second slag settling tank and the solvent tank form a slag settling unit.
In order that the degraded product does not block the pipeline, the solvent tank is set as a biodegradation solvent as the radioactive wastewater discharge monitoring system.
In order to enable radioactive decay to be below a set value, in step S3, radioactive sewage subjected to sediment treatment is stored in a first decay tank, a second decay tank (302) and a third decay tank in sequence, in addition, a radiation detector and a radar liquid level detector are respectively arranged to detect the radiation amount and the sewage amount in the process of radioactive decay, and the first decay tank, the second decay tank, the third decay tank, the radiation detector and the radar liquid level detector form a decay unit.
In order to regularly store and discharge the sewage, as a radioactive wastewater discharge monitoring system according to the present invention, in step S4, the sewage after decay treatment is regularly stored in a storage unit, the storage unit includes a storage tank, a lead layer is fixedly mounted on an inner surface of the storage tank, a docking bracket is fixedly mounted on an upper end surface of the storage tank, a sealing cover is fixedly mounted on a surface of the docking bracket, and a material injection pipe is fixedly mounted on an upper end surface of the sealing cover.
In order to enable workers to remotely observe the sewage treatment condition, the radioactive wastewater discharge monitoring system is characterized in that the sewage storage well, the sediment tank and the decay tank are respectively provided with a submersible sewage pump and a monitoring camera.
In order to enable workers to remotely control sewage purification and discharge transfer, the radioactive wastewater discharge monitoring system is characterized in that the submersible sewage pump and the monitoring camera are in network connection with a controller terminal, and the control terminal is installed at a workstation.
Compared with the prior art, the invention has the following beneficial effects:
according to the radioactive wastewater discharge monitoring system, the radioactive wastewater can be subjected to impurity precipitation treatment by the radioactive wastewater discharge monitoring system, so that the impurities are prevented from being polluted in the subsequent discharge process, the radioactive wastewater can be subjected to decay treatment, the radioactivity of the radioactive wastewater is prevented from influencing the environment and a water source, and the system device is provided with the electric control valve body and the detection device in cooperation with the storage unit, so that the system can automatically run.
Drawings
FIG. 1 is a flow chart of sewage treatment of a radioactive wastewater discharge monitoring system according to the present invention;
FIG. 2 is a flow chart of a sewage treatment unit of the radioactive wastewater discharge monitoring system of the present invention;
FIG. 3 is a schematic diagram of a sewage discharge unit of the radioactive wastewater discharge monitoring system according to the present invention;
FIG. 4 is a schematic structural diagram of a sediment unit of the radioactive wastewater discharge monitoring system according to the present invention;
FIG. 5 is a schematic diagram of a decay unit of a radioactive wastewater discharge monitoring system according to the present invention;
fig. 6 is a schematic structural diagram of a storage unit of the radioactive wastewater discharge monitoring system according to the present invention.
In the figure: 1. a sewage discharge unit; 101. a sewage inlet valve; 102. a blow-off pipe; 103. a sewage storage well; 104. a sewage outlet valve; 2. a sediment unit; 201. a first slag settling tank; 202. a second slag settling tank; 203. a solvent tank; 3. a decay unit; 301. a first decay tank; 302. a second decay tank; 303. a third decay tank; 304. a radiation detector; 305. a radar level detector; 4. a storage unit; 401. storing the tank; 402. a lead layer; 403. a docking rack; 404. a sealing cover; 405. and a material injection 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.
As shown in fig. 1-6, a radioactive wastewater discharge monitoring system includes the following methods:
s1, collecting the radioactive sewage by using the sewage storage well 103, and then transmitting the radioactive sewage;
s2, carrying out precipitation treatment on the transmitted radioactive sewage by using a medicament;
s3, carrying out radioactive decay treatment and detection on the treated radioactive sewage;
and S4, uniformly storing the treated sewage and uniformly treating the sewage.
In this embodiment, in step S1, the sewage in the sewage storage well 103 is drained and transmitted by the sewage inlet valve 101 and the sewage discharge pipe 102, the transmitted sewage is stored in the sewage storage well 103, and after a certain amount of sewage is collected, the sewage is transferred and transmitted to the sewage movement through the sewage outlet valve 104, and the sewage inlet valve 101, the sewage discharge pipe 102, the sewage storage well 103 and the sewage outlet valve 104 form the sewage discharge unit 1.
When the radioactive isotope imaging device is used specifically, after isotope imaging diagnosis and treatment are generally carried out in the nuclear medicine department of a medical institution, excrement generated after a patient takes and injects the radioactive isotope in the diagnosis and treatment processes carries radioactive wastewater, then the radioactive wastewater enters the sewage storage well 103 through the sewage inlet valve 101 and the sewage discharge pipe 102, and after the subsequent sedimentation tank is prepared, the sewage outlet valve 104 can be opened for sewage transmission.
In this embodiment, in step S2, the radioactive sewage can pass through the first slag settling tank 201 and the second slag settling tank 202 in sequence, during the slag settling process, the solvent tank 203 is set to inject the chemical agent into the first slag settling tank 201 and the second slag settling tank 202 to accelerate the precipitation of the impurities, and the first slag settling tank 201, the second slag settling tank 202 and the solvent tank 203 constitute the slag settling unit 2.
In specific use, the radioactive sewage discharged to the first sediment tank 201 is added with the precipitation solvent in the solvent tank 203 to accelerate the precipitation of impurities, the radioactive sewage is transferred to the second sediment tank 202 after three months, the precipitation solvent in the solvent tank 203 is also used to accelerate the precipitation of impurities, and the precipitated radioactive sewage is transferred to the decay tank after three months.
In the present embodiment, the solvent tank 203 is provided as a biodegradable solvent.
During the specific use, the biodegradable solvent can make the solid waste matter of sediment carry out further degradation to avoid the result to block up the pipeline, hinder the transmission of follow-up radioactive waste water, and increase the washing work load of cell body.
In this embodiment, in step S3, the radioactive waste water after being treated by the sediment is stored in the first decay tank 301, the second decay tank 302 and the third decay tank 303, and in the process of radioactive decay, the radiation detector 304 and the radar level detector 305 are respectively arranged to detect the amount of radiation and the amount of waste water, and the first decay tank 301, the second decay tank 302, the third decay tank 303, the radiation detector 304 and the radar level detector 305 form the decay unit 3.
During the specific use, after the waste water that finishes depositing gets into first decay pond 301, detect through radar liquid level detector 305 whether the injection volume reaches the standard, wait for the radioactive decay period of 80 days, inject the radioactive waste water wherein into take second decay pond 302, the new radioactive waste water also will be injected into first decay pond 301 simultaneously, wait for the radioactive decay period of 80 days again, the waste water of depositing in second decay pond 302 will also be injected into third decay pond 303 to this is gone on repeatedly, until the radioactivity in the radioactive waste water is compound and is predetermine the standard.
In this embodiment, in step S4, the decayed sewage is stored periodically by the storage unit 4, the storage unit 4 includes a storage tank 401, a lead layer 402 is fixedly mounted on an inner surface of the storage tank 401, a docking bracket 403 is fixedly mounted on an upper end surface of the storage tank 401, a sealing cover 404 is fixedly mounted on a surface of the docking bracket 403, and an injection pipe 405 is fixedly mounted on an upper end surface of the sealing cover 404.
During the specific use, storage jar 401 wholly adopts stainless steel material, and remaining radiation in its inside lead layer 402 can effectively shield the waste water, and sealed lid 404 forms sealed storage environment through butt joint frame 403 cooperation storage jar 401, annotates material pipe 405 be used for with the third decay pond between pipe connection, storage jar 401 bottom be provided with electric control valve for with discharge pipe connected.
In this embodiment, the sewage storage well 103, the sediment tank and the decay tank are all provided with a submersible sewage pump and a monitoring camera.
During the specific use, stealthily dirty pump can long-rangely automatically controlled its opening close to separate the wait for treatment after making radioactive waste water remote control transmission, and the monitoring camera can make things convenient for workman remote monitoring radioactive waste water treatment condition, with the influence that reduces closely to patrol and cause the human body.
In this embodiment, the submersible sewage pump and the monitoring camera are connected with a controller terminal network, and the control terminal is installed at a workstation.
When the radioactive sewage treatment device is used specifically, the whole radioactive sewage treatment process can be remotely controlled through the middle end of the controller.
The working principle is as follows: the system comprises four processes: s1, collecting the radioactive sewage by using the sewage storage well 103, and then transmitting the radioactive sewage; s2, carrying out precipitation treatment on the transmitted radioactive sewage by using a medicament; s3, carrying out radioactive decay treatment and detection on the treated radioactive sewage; s4, uniformly storing the treated sewage, uniformly treating the sewage, generally after the nuclear medicine department of the medical institution uses isotopes to perform imaging diagnosis and treatment, the excrement generated after the patient takes and injects the radioisotopes in the diagnosis and treatment process carries radioactive waste water, then the radioactive waste water enters the sewage storage well 103 through the sewage inlet valve 101 and the sewage outlet pipe 102, after the subsequent sedimentation tank is prepared, the sewage outlet valve 104 can be opened to perform sewage transmission, the radioactive waste water discharged to the first sedimentation tank 201 accelerates the sedimentation of the deposition solvent in the solvent adding tank 203, the radioactive waste water is transferred to the second sedimentation tank 202 after three months, the deposition solvent in the solvent tank 203 is also used to accelerate the deposition of the impurities, the radioactive waste water after three months is transferred to the decay tank, wherein the biodegradation solvent can further degrade the deposited solid waste, thereby avoiding the pipeline blockage caused by the product, hindering the transmission of subsequent radioactive wastewater, increasing the cleaning workload of the tank body, after the precipitated wastewater enters the first decay tank 301, detecting whether the injection amount reaches the standard through the radar liquid level detector 305, waiting for 80 days of radioactive decay period, injecting the radioactive wastewater into the second decay tank 302, simultaneously injecting new radioactive wastewater into the first decay tank 301, waiting for 80 days of radioactive decay period, injecting the wastewater stored in the second decay tank 302 into the third decay tank 303, repeating the steps until the radioactivity activity in the radioactive wastewater is combined with the preset standard, wherein the storage tank 401 is made of stainless steel material, the lead layer 402 in the storage tank can effectively shield the residual radiation in the wastewater, the sealing cover 404 is matched with the storage tank 401 through the butt joint frame 403 to form a sealed storage environment, and the injection pipe 405 is used for pipeline connection with the third decay tank 303, the bottom of the storage tank 401 is provided with an electric control valve for connecting with a discharge pipeline, and the whole process of radioactive sewage treatment can be remotely controlled through the middle end of the controller due to the network connection of the submersible sewage pump and the monitoring camera with the terminal of the controller.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A radioactive wastewater discharge monitoring system is characterized in that: the method comprises the following steps:
s1, collecting the radioactive sewage by using a sewage storage well (103), and then transmitting the radioactive sewage;
s2, carrying out precipitation treatment on the transmitted radioactive sewage by using a medicament;
s3, carrying out radioactive decay treatment and detection on the treated radioactive sewage;
and S4, uniformly storing the treated sewage and uniformly treating the sewage.
2. The radioactive wastewater discharge monitoring system of claim 1, wherein: in step S1, the sewage in the sewage storage well (103) is drained and transmitted by the sewage inlet valve (101) and the sewage discharge pipe (102), the transmitted sewage is stored in the sewage storage well (103) first, and after a certain amount of sewage is collected, the sewage core is transferred and transmitted by the sewage outlet valve (104), and the sewage inlet valve (101), the sewage discharge pipe (102), the sewage storage well (103) and the sewage outlet valve (104) form the sewage discharge unit (1).
3. The radioactive wastewater discharge monitoring system of claim 1, wherein: in step S2, the radioactive sewage can pass through the first slag settling tank (201) and the second slag settling tank (202) in sequence, and in the slag settling process, the solvent tank (203) is arranged to inject the pharmaceutical chemicals into the first slag settling tank (201) and the second slag settling tank (202) to accelerate the precipitation of impurities, wherein the first slag settling tank (201), the second slag settling tank (202) and the solvent tank (203) form the slag settling unit (2).
4. A radioactive wastewater discharge monitoring system according to claim 3, wherein: the solvent tank (203) is configured as a biodegradable solvent.
5. The radioactive wastewater discharge monitoring system of claim 1, wherein: in step S3, the radioactive sewage after the sediment treatment is stored in a first decay tank (301), a second decay tank (302) and a third decay tank (303) in sequence, in the process of radioactive decay, a radiation detector (304) and a radar liquid level detector (305) are respectively arranged to detect the radiation amount and the sewage amount, and the first decay tank (301), the second decay tank (302), the third decay tank (303), the radiation detector (304) and the radar liquid level detector (305) form a decay unit (3).
6. The radioactive wastewater discharge monitoring system of claim 1, wherein: in step S4, the sewage through decay treatment will be stored regularly through storage unit (4), storage unit (4) is including storage jar (401), the inboard fixed surface of storage jar (401) installs lead layer (402), the upper end fixed surface of storage jar (401) installs butt joint frame (403), the fixed surface of butt joint frame (403) installs sealed lid (404), the fixed surface of the upper end of sealed lid (404) installs notes material pipe (405).
7. The radioactive wastewater discharge monitoring system of claim 1, wherein: the sewage storage well (103), the sediment tank and the decay tank are all provided with a sewage submersible pump and a monitoring camera.
8. The radioactive wastewater discharge monitoring system of claim 7, wherein: the submersible sewage pump and the monitoring camera are connected with a controller terminal through a network, and the control terminal is installed at a workstation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210161063.XA CN114550963A (en) | 2022-02-22 | 2022-02-22 | Radioactive wastewater discharge monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210161063.XA CN114550963A (en) | 2022-02-22 | 2022-02-22 | Radioactive wastewater discharge monitoring system |
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| CN114550963A true CN114550963A (en) | 2022-05-27 |
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| CN202210161063.XA Pending CN114550963A (en) | 2022-02-22 | 2022-02-22 | Radioactive wastewater discharge monitoring system |
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| CN (1) | CN114550963A (en) |
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- 2022-02-22 CN CN202210161063.XA patent/CN114550963A/en active Pending
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