CN210038528U - Automatic radioactive waste liquid treatment and discharge monitoring system - Google Patents
Automatic radioactive waste liquid treatment and discharge monitoring system Download PDFInfo
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- CN210038528U CN210038528U CN201921135633.8U CN201921135633U CN210038528U CN 210038528 U CN210038528 U CN 210038528U CN 201921135633 U CN201921135633 U CN 201921135633U CN 210038528 U CN210038528 U CN 210038528U
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Abstract
The utility model discloses a radioactive waste liquid automatic processing discharges monitored control system, including shell body, liquid reserve tank, 3 at least decay ponds and degradation pond are installed in the shell body, be provided with the water inlet on the liquid reserve tank, the liquid reserve tank communicates to the degradation pond through the connecting tube, the degradation pond communicates to each decay pond through the connecting tube in proper order, and the liquid outlet on the connecting tube in every decay pond all is provided with the second motorised valve, and the top in every decay pond is provided with the drain pipe, the one end of drain pipe communicates to in the decay pond, the other end of drain pipe is equipped with the outlet, be equipped with first motorised valve on the drain pipe, be equipped with the water pump between first motorised valve and the outlet. The whole process of the treatment and the discharge of the radioactive waste liquid is controlled through full-automatic time, the accuracy of the decay time is controlled, and the treatment sequence of the radioactive waste liquid is controlled in the whole process, so that the automatic control of the discharge can not cause environmental pollution.
Description
Technical Field
The utility model relates to a radioactive liquid waste treatment technical field specifically indicates a radioactive liquid waste automatic treatment discharges monitored control system.
Background
After the medical unit uses the radioactive drug, radioactive waste liquid is discharged, and the radioactive waste liquid can be discharged to a public sewage discharge system only when the radioactive waste liquid reaches the national discharge standard. Go radioactive sewage treatment and adopt tertiary decay pond, estimate according to ten half-lives of radiopharmaceutical and carry out artifical the emission, be difficult to estimate whether up to standard the radioactivity level of actual emission, it is also inconvenient to operate, the trouble that can't in time monitor existence to the sewage of high radioactivity and low radioactivity mixes easily, leads to the drainage cycle length, and the decay pond is big.
SUMMERY OF THE UTILITY MODEL
The utility model discloses according to prior art's not enough, provide a radioactive liquid waste automatic treatment and discharge monitored control system, through accurate control decay time, decay dosage, whether reach safe emission standard, scheduling problem.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides a radioactive waste liquid automatic processing discharges monitored control system, includes shell body, liquid reserve tank, 3 at least decay ponds and degradation pond are installed in the shell body, be provided with the water inlet on the liquid reserve tank, the liquid reserve tank communicates to the degradation pond through connecting tube, the degradation pond communicates to each decay pond, every in proper order through connecting tube liquid outlet on the connecting tube in the decay pond all is provided with the second motorised valve, every the top in decay pond is provided with the drain pipe, the one end of drain pipe communicates to in the decay pond, the other end of drain pipe is equipped with the outlet, be equipped with first motorised valve on the drain pipe, be equipped with the water pump between first motorised valve and the outlet.
Preferably, the water pump attenuation tank further comprises a control cabinet, the control cabinet is in signal connection with the first electric valve, the second electric valve and the water pump, a liquid level sensor and a ray detector are arranged in each attenuation tank, and the liquid level sensor and the ray detector are in signal connection with the control cabinet.
Preferably, a manual valve is arranged on the drain pipe corresponding to each attenuation pool.
Preferably, the top of the attenuation pool is provided with a climbing ladder port.
Preferably, the outer wall of the attenuation pool is provided with a visual observation window.
Preferably, the attenuation pool is provided with a movable detection valve.
Preferably, a filter plate is arranged in the liquid storage tank.
Preferably, the control cabinet also outputs signals to a liquid level alarm.
Preferably, a PLC programmable controller is arranged in the control cabinet.
Preferably, the bottom of the outer shell is provided with a mounting rack for mounting the attenuation pool and the degradation pool.
The utility model has the following characteristics and beneficial effect:
by adopting the technical scheme, the structure is simple, the technology is reasonable, the whole process of treating and discharging the radioactive waste liquid is controlled through full-automatic time, the leakage is prevented, the accuracy of attenuation time is controlled, the treatment sequence of the radioactive waste liquid is controlled in the whole process, the half-life time of the radioactive waste liquid is determined, and whether the radioactive dose after the attenuation period reaches safe discharge dose data or not is determined, so that the environmental pollution can not be caused by automatic control of discharge; in addition, a plurality of attenuation tanks are arranged, so that the reduction operation is realized, and the efficiency and the effect of waste liquid treatment are improved; the in-situ treatment is pollution and harm in the radioactive waste liquid conveying process, and can realize in-situ treatment without leakage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a control schematic diagram of the present invention.
In the figure, 1-a water outlet, 2-a water pump, 3-a ladder port, 4-a first electric valve, 5-a liquid level sensor, 6-a manual valve, 7-a ray detector, 8-a sampler, 9-an observation window, 10-a filter plate, 11-a liquid storage tank, 12-a water inlet, 13-a degradation tank, 14-a second electric valve, 15-an outer shell, 16-a mounting rack and 17-an attenuation tank.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The utility model provides a radioactive waste liquid automatic treatment and discharge monitoring system, as shown in figure 1, comprising an outer shell 15, a liquid storage tank 11, at least 3 attenuation tanks 17 and a degradation tank 13, the at least 3 attenuation tanks 17 and the degradation tank 13 are arranged in the outer shell 15, the liquid storage tank 11 is provided with a water inlet 12, the liquid storage tank 11 is communicated to the degradation tank 13 through a connecting pipeline, the degradation tank 13 is sequentially communicated to each attenuation tank 17 through a connecting pipeline, a second electric valve 14 is arranged at a liquid outlet on the connecting pipeline in each attenuation tank 17, a drain pipe is arranged at the top of each attenuation tank 17, one end of the drain pipe is communicated to the attenuation tank 17, the other end of the drain pipe is provided with a drain outlet 1, the water draining pipe is provided with a first electric valve 4, and a water pump 2 is arranged between the first electric valve 4 and the water draining port.
In the present application, the 3 attenuation cells are preferably a first attenuation cell, a second attenuation cell and a third attenuation cell.
In the technical scheme, the radioactive waste liquid to be treated is stored in the liquid storage tank 11 through the water inlet, the radioactive waste liquid stored in the liquid storage tank 11 enters the degradation tank 13 through the connecting pipeline, the radioactive waste liquid is decomposed in the degradation tank in an electrochemical degradation mode, the specific degradation mode can refer to Chinese patent application No. 201710794846.0, after degradation is completed, the second electric valve 14 connected to the first attenuation tank is opened, the waste liquid in the degradation tank 13 is conveyed to the first attenuation tank through the connecting pipeline, when the highest liquid level of the liquid level is reached, the second electric valve 14 communicated with the first attenuation tank is automatically closed, the second electric valve communicated with the second attenuation tank is opened, when the second attenuation tank reaches the limit position, the second electric valve 14 is automatically closed, the second electric valve communicated with the third attenuation tank is opened, when the third attenuation tank is about to be filled with the liquid, the first electric valve 4 communicated with the first attenuation tank is opened, and discharging the sewage attenuated in the first attenuation pool by using the water pump 2, and automatically opening the second electric valve 14 of the first attenuation pool when the third attenuation pool is completely filled with the sewage, so that the sewage enters the evacuated first attenuation pool, and the second cycle begins and is continuously circulated.
It will be appreciated that the storage time of the wastewater in the attenuation tank should be determined with respect to the species of nuclides in the wastewater, and typically should not be less than ten half-lives of the species.
By arranging a plurality of attenuation tanks, the reduction operation is realized, and the efficiency and the effect of waste liquid treatment are improved; the in-situ treatment is pollution and harm in the radioactive waste liquid conveying process, and can realize in-situ treatment without leakage.
In the further arrangement of this embodiment, as shown in fig. 2, the radiation detector further includes a control cabinet, the control cabinet is in signal connection with the first electrically operated valve 4, the second electrically operated valve 14 and the water pump 2, a liquid level sensor 5 and a radiation detector 7 are arranged in each attenuation pool 17, and both the liquid level sensor 5 and the radiation detector 7 are in signal connection with the control cabinet. A PLC (programmable logic controller) is arranged in the control cabinet, and the PLC is specifically SIMATIC S7-200.
It is understood that the control of the first electric valve 4, the second electric valve 14 and the water pump 2 through PLC programmable control is a conventional technical means, and the specific control circuit is not described in detail in this application.
Specifically, the liquid level sensor 5 is an ultrasonic water level detector, detects the water level in the attenuation tank 17 through the liquid level sensor 5, and sends a detection signal to the control cabinet, and the control cabinet sends a control signal to control the first electric valve 4, the second electric valve 14 and the water pump 2 according to the requirements and through the received detection signal.
Specifically, the second electric valve 14 connected to the first attenuation pool is opened through the control cabinet, the waste liquid in the degradation pool 13 is conveyed to the first attenuation pool through the connecting pipeline, when the highest liquid level of the liquid level is reached, the second electric valve 14 communicated with the first attenuation pool is automatically closed, the second electric valve communicated with the second attenuation pool is opened, the second electric valve 14 is automatically closed when the second attenuation pool reaches a limit position, the second electric valve communicated with the third attenuation pool is opened, when the third attenuation pool is about to be filled, the first electric valve 4 communicated with the first attenuation pool is opened, the sewage which is attenuated in the first attenuation pool is discharged by using the water pump 2, when the third attenuation tank is completely filled with sewage, the second electric valve 14 of the first attenuation tank is automatically opened, and the sewage enters the emptied first attenuation tank, so that the second cycle is started and the continuous cycle is carried out.
Each attenuation pool is provided with a first electric valve 4, a second electric valve 14 and a liquid level sensor 5. The liquid level condition of each attenuation pool and the opening of the electric valve, and the operation of the water pump 2 are all controlled by a computer. Therefore, the automatic control system does not need a special person to watch, automatically controls, reduces personnel investment, reduces labor cost, and accurately controls safe emission.
The whole process of treatment and discharge of the radioactive waste liquid is controlled automatically, leakage is prevented, the accuracy of decay time is controlled, the treatment sequence of the radioactive waste liquid is controlled in the whole process, the half-life time of the radioactive waste liquid is determined, and whether the radioactive dose after the decay period reaches safe discharge dose data or not is determined, so that environmental pollution cannot be caused by automatic control of discharge;
the utility model discloses a further setting corresponds every the drain pipe of decay pond 17 on be equipped with manual valve 6. By providing the manual valve 6, when the liquid level sensor 5 detects that the liquid level in the attenuation pool 17 is abnormal, the operation can be carried out through the manual valve 6.
The switch board is still signal output to a liquid level alarm, when level sensor detects that the interior liquid level of decay pond is unusual, with detected signal transmission to switch board, the switch board sends control signal to liquid level alarm sends alarm signal, at this moment, carries out the drainage operation through manual valve 6.
The utility model discloses a further setting, the top of decay pond 17 is equipped with ladder mouth 3, through setting up ladder mouth 3, can maintain and maintain decay pond 17.
The utility model discloses a further setting, the outer wall of decay pond 17 is equipped with visual observation window 9, observes the decay condition of waste liquid in the decay pond through the observation window.
The utility model discloses a further setting, be equipped with activity detection valve 8 on the decay pond 17, through activity detection valve 8, take a sample to the waste liquid in decay pond to the condition of monitoring waste liquid decay ensures that the decay of waste liquid is accomplished.
The utility model discloses a further setting, be equipped with filter 10 in the liquid storage tank 11, realize solid-liquid separation through filter 10.
The utility model discloses a further setting, shell body 15 bottom is equipped with the mounting bracket 16 that is used for installing decay pond 17 and degradation pond 13.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments, including the components, without departing from the principles and spirit of the invention, and still fall within the scope of the invention.
Claims (10)
1. The utility model provides a radioactive waste liquid automatic processing discharges monitored control system, its characterized in that, includes shell body, liquid reserve tank, 3 at least decay ponds and degradation pond are installed in the shell body, be provided with the water inlet on the liquid reserve tank, the liquid reserve tank communicates to the degradation pond through the connecting tube, the degradation pond communicates to each decay pond, every in proper order through the connecting tube liquid outlet on the connecting tube in the decay pond all is provided with the second motorised valve, every the top in decay pond is provided with the drain pipe, the one end of drain pipe communicates to in the decay pond, the other end of drain pipe is equipped with the outlet, be equipped with first motorised valve on the drain pipe, be equipped with the water pump between first motorised valve and the outlet.
2. The automatic radioactive liquid waste treatment and discharge monitoring system according to claim 1, further comprising a control cabinet, wherein the control cabinet is in signal connection with the first electric valve, the second electric valve and the water pump, a liquid level sensor and a radiation detector are arranged in each attenuation pool, and the liquid level sensor and the radiation detector are in signal connection with the control cabinet.
3. The automated radioactive liquid waste treatment and discharge monitoring system according to claim 1, wherein a manual valve is provided on the drain pipe corresponding to each attenuation cell.
4. The automated radioactive waste disposal discharge monitoring system of claim 1, wherein the top of the attenuation tank is provided with a stairway opening.
5. The automated radioactive waste disposal discharge monitoring system of claim 1, wherein the outer wall of the attenuation tank is provided with a visual observation window.
6. The automated radioactive liquid waste treatment and discharge monitoring system according to claim 1, wherein the attenuation tank is provided with a motion detection valve.
7. The automated radioactive waste disposal discharge monitoring system of claim 1, wherein a filter plate is disposed within the reservoir.
8. An automated radioactive liquid waste treatment and discharge monitoring system according to claim 2, wherein the control cabinet further outputs a signal to a liquid level alarm.
9. The automated radioactive liquid waste treatment and discharge monitoring system according to claim 2 or 8, wherein a PLC programmable controller is arranged in the control cabinet.
10. The automated radioactive waste disposal discharge monitoring system of claim 9, wherein the bottom of the outer housing is provided with a mounting bracket for mounting the attenuation tank and the degradation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921135633.8U CN210038528U (en) | 2019-07-19 | 2019-07-19 | Automatic radioactive waste liquid treatment and discharge monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921135633.8U CN210038528U (en) | 2019-07-19 | 2019-07-19 | Automatic radioactive waste liquid treatment and discharge monitoring system |
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| CN210038528U true CN210038528U (en) | 2020-02-07 |
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| CN201921135633.8U Active CN210038528U (en) | 2019-07-19 | 2019-07-19 | Automatic radioactive waste liquid treatment and discharge monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112927833A (en) * | 2021-01-22 | 2021-06-08 | 浙江绿境环境工程有限公司 | Method and system for radioactive wastewater treatment |
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2019
- 2019-07-19 CN CN201921135633.8U patent/CN210038528U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112927833A (en) * | 2021-01-22 | 2021-06-08 | 浙江绿境环境工程有限公司 | Method and system for radioactive wastewater treatment |
| CN112927833B (en) * | 2021-01-22 | 2023-02-28 | 浙江绿境环境工程有限公司 | Method and system for radioactive wastewater treatment |
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