CN112233831A - Radioactive sewage and waste water decay treatment system and treatment method thereof - Google Patents
Radioactive sewage and waste water decay treatment system and treatment method thereof Download PDFInfo
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Abstract
The utility model relates to a radioactive sewage and waste water decay treatment system and a treatment method thereof, relating to the technical field of sewage treatment, aiming at solving the technical problem that the radioactive sewage can not be treated when a radioactive sewage treatment tank is cleaned, and comprising a sewage collecting tank, a first decay tank and a second decay tank, wherein the sewage collecting tank is communicated with a collecting pipe; be provided with on the sewage collecting pit and be arranged in lifting the sewage in the sewage collecting pit to the first delivery pump in the first decay pond and be arranged in lifting the sewage in the sewage collecting pit to the second delivery pump in the second decay pond, be provided with on the first decay pond and be used for discharging the sewage after handling in the first decay pond to drainage system's first discharge pump, be provided with on the second decay pond and be used for discharging the sewage after handling in the first decay pond to drainage system's second discharge pump. This application has still can handle the effect in order to guarantee treatment effeciency to sewage when the clean clearance of one of them decay pond.
Description
Technical Field
The application relates to the field of sewage treatment, in particular to a radioactive sewage and wastewater decay treatment system and a treatment method thereof.
Background
Radioactive waste water treatment refers to the process of operations for changing the physical and chemical state of radioactive waste, including collection, concentration, solidification, storage, and transport of the waste. Radioactive waste water is mainly from nuclear reactors, uranium mining, isotope laboratories of nuclear research institutions, medical, industrial or other laboratories using radioactive substances, washing of protective clothing used by staff in contact with radioactive materials, etc. With the development of medical science and technology, the use of large nuclear medicine diagnostic equipment SEPCT, PET/CT and the like, the radioimmunotherapy of diseases such as tumors and the like, the radioiodination of thyroid diseases and the like and the use of medical isotopes are increasing. The national regulation strictly stipulates that the hospital uses radioactive isotopes, pollutants need to be specially treated, fixed radioactive wastes need to be specially stored, and radioactive wastewater can enter a hospital sewer according to common medical wastewater after being led into a special sewage treatment tank and kept stand for 10 half-life periods.
In the related art, a Chinese patent with the application number of CN201910456145.5 exists, discloses a radioactive sewage treatment tank, and relates to the technical field of sewage treatment. This radioactive sewage treatment pond, including the agitator tank, the top center department of agitator tank is through bolt fixedly connected with safety cover, and the bottom center department of agitator tank is provided with down the mouth of a river, and the fixed cover in bottom at the mouth of a river has connect first valve down, and a plurality of mounts of bolt fixedly connected with are passed through to the bottom of agitator tank, and the mouth of a river is centre of a circle evenly distributed in agitator tank bottom below a plurality of mounts, and bolt fixedly connected with setting tank is passed through to the one end that the agitator tank was kept away from to a plurality of mounts. Through the use of agitator tank, setting tank, rose box etc. can contain the insoluble mixture of radioactivity and soluble heavy metal ion to clear out from sewage in the radioactive sewage through steps such as chemical precipitation, filtration, easy operation, low cost and purify consuming time weak point, are applicable to the radioactive sewage treatment of emission such as various factories and hospitals.
In view of the above-mentioned related technologies, a general hospital or a factory is often equipped with a set of radioactive sewage treatment tank, and the inventor believes that there is a defect that the radioactive sewage treatment tank cannot treat the generated radioactive sewage when the radioactive sewage treatment tank is cleaned.
Disclosure of Invention
In order to solve the problem that the generated sewage cannot be treated when a sewage treatment tank is cleaned, the application provides a radioactive sewage and wastewater decay treatment system and a treatment method thereof.
In a first aspect, the application provides a radioactive sewage and wastewater decay treatment system, which adopts the following technical scheme:
a radioactive sewage and wastewater decay treatment system comprises a sewage collecting tank, a first decay tank and a second decay tank, wherein the sewage collecting tank is communicated with a collecting water pipe; be provided with on the sewage collecting pit and be arranged in promoting the sewage in the sewage collecting pit to the first delivery pump in the first decay pond and be arranged in promoting the sewage in the sewage collecting pit to the second delivery pump in the second decay pond, be provided with on the first decay pond and be used for discharging the sewage after handling in the first decay pond to drainage system's first discharge pump, be provided with on the second decay pond and be used for discharging the sewage after handling in the first decay pond to drainage system's second discharge pump.
By adopting the technical scheme, the collecting water pipe collects all radioactive sewage in the yard into the sewage collecting tank, and then the first conveying pump is controlled to mechanically convey the sewage into the first decay tank for decay when the sewage in the sewage collecting tank is collected to the preset height; in the process of decay of the first decay tank, the sewage collection tank continuously collects the sewage, and then the sewage is conveyed to the second decay tank, so that the two decay tanks are alternately used, and when one of the two decay tanks needs to be cleaned or cleaned, the other decay tank can be used, so that the sewage treatment efficiency is greatly improved, and the probability of reduction of the sewage treatment efficiency caused by the treatment of the decay tanks is reduced; and the first conveying pump and the second conveying pump are used for controlling the conveying of the sewage treatment.
Preferably, the sewage treatment system further comprises a control system, the control system comprises a liquid level detection device arranged in the sewage collection tank and a central control device connected to the liquid level detection device, and the first delivery pump and the second delivery pump are connected to the central control device so as to control the first delivery pump to deliver sewage to the first decay tank or control the second delivery pump to deliver sewage to the second decay tank when the liquid level in the sewage collection tank is higher than a preset value.
Through adopting above-mentioned technical scheme, the setting of liquid level detection device is convenient for detect the sewage liquid level height in the sewage collecting pit and give central control unit with liquid level data transmission, and central control unit controls first delivery pump start-up or second delivery pump start-up when the liquid level height is higher than the default to can realize carrying sewage automatically and carry out the decay in first decay pond or the second decay pond and handle.
Preferably, the liquid level detection device comprises an ultrasonic liquid level detection device arranged on the top wall of the sewage collection tank, a floating ball liquid level control device arranged on the side wall of the sewage collection tank and an OR gate, the ultrasonic liquid level detection device and the floating ball liquid level control device are respectively connected to the input end of the OR gate, and the output end of the OR gate is connected with the central control device.
Through adopting above-mentioned technical scheme, ultrasonic wave liquid level detection device can detect the liquid level height from the sewage collection pond top, and floater liquid level control device can control the liquid level height at the sewage collection pond lateral wall, and the setting of OR gate then at ultrasonic wave liquid level detection device and floater liquid level control device one of them output control signal promptly when surpassing the default to improve the validity to the liquid level testing result greatly, guaranteed that the liquid level can not surpass the default.
Preferably, the control system further comprises a sewage quality detection device, the sewage quality detection device is connected to a central control device, and the central control device is respectively connected to the first discharge pump and the second discharge pump to discharge when the water quality in the first decay tank and the second decay tank reaches the standard.
Through adopting above-mentioned technical scheme, sewage quality detection device can detect the sewage quality after first decay pond or the processing of second decay pond and give central control unit with data transmission, central control unit control sewage controls first discharge pump to start or the second discharge pump starts when sewage quality is higher than the default, the sewage drainage pipe network is arranged into to the sewage of first discharge pump in with first decay pond, the sewage drainage pipe is arranged into with the second in the decay pond to the second discharge pump, thereby guaranteed to carry out water quality monitoring to the sewage of output.
Preferably, the sewage quality detection device comprises decay time recording devices respectively arranged in a first decay tank and a second decay tank, and the sewage quality detection device also comprises water quality detection devices respectively arranged in the first decay tank and the second decay tank; the sewage quality detection device comprises a first discharge pump, a second discharge pump, a discharge pipeline, a radiation detection probe and a water discharge system, wherein the discharge pipeline is connected to the output end of the first discharge pump and the output end of the second discharge pump, the radiation detection probe is arranged on the discharge pipeline and used for detecting the radioactive intensity of sewage output to the water discharge system from the water discharge pipeline.
By adopting the technical scheme, the decay time recording device can record the decay time of the sewage in the first decay tank or the second decay tank, the water quality detection device can detect the activity of water in the sewage, and the central control device allows the first discharge pump or the second discharge pump to start to work when the activity of the water is lower than a preset value; and the radioactive detection probe of installation on the discharge conduit can detect the sewage radioactive intensity of exporting first decay pond or second decay pond, controls first discharge pump or second discharge pump to shut down at once when radioactive intensity exceeds standard to the security of discharge sewage has been guaranteed.
Preferably, the first decay pond and the second decay pond are internally provided with liquid level height early warning modules respectively, the central control device is connected with a warning device for alarming when the liquid level height in the first decay pond or the second decay pond is higher than a preset value and a touch display module for displaying and operating.
By adopting the technical scheme, the liquid level height early warning module can detect the liquid level height in the first decay tank or the second decay tank and transmit data to the central control device, and the central control device controls the warning device to give an alarm when the liquid level height is higher than a preset value and displays the alarm on the touch display module; the touch display module can display alarm data and input data at the same time, so that the central control device can be operated.
Preferably, the central control module is connected with a data storage unit, the central control module comprises a table generation unit for automatically generating a table based on data in the data storage unit and an animation simulation module for performing working state simulation based on a working state, and the central control module is connected with a wireless communication module for uploading data to the cloud server.
By adopting the technical scheme, the data storage unit can store the data processed by the daily central control device for calling; the table generation module can output a table based on the radioactive intensity, the drainage time, the drainage times and the like by taking the time as a coordinate axis, so that a report can be directly derived for statistics and analysis; the animation simulation module can simulate the working state of the system, so that an operator can conveniently and visually and clearly know the working state of the system; the wireless communication module can transmit the working state of the system to a mobile terminal of an operator and can receive a remote control command from the operator, so that remote monitoring is realized.
Preferably, the central control means comprises a threshold setting module for setting the discharge criteria threshold of the first and second cells and the discharge conduit, the threshold setting module comprising an identification module for identifying the identity of the modifier prior to modifying the threshold.
By adopting the technical scheme, the threshold setting module is used for setting the liquid level height and the radioactive intensity threshold of the sewage discharged by the discharge pipeline, and because the threshold values have stronger speciality, whether the discharged sewage is polluted or not can be influenced, so that the identity recognition is required to be carried out through the identity recognition module, and only after the identity recognition is passed, the modification is allowed, thereby reducing the probability of random modification.
In a second aspect, the present application provides a treatment method for radioactive sewage and wastewater decay treatment system, which adopts the following technical scheme:
a method of treating a radioactive waste water decay treatment system, comprising:
setting parameters of the equipment;
collecting radioactive sewage into a sewage collecting tank through a collecting water pipe; meanwhile, the liquid level detection device detects the liquid level height of the sewage in the sewage collection tank;
when the height of the sewage in the sewage collection tank is higher than a preset value, the first conveying pump works to convey the sewage to the first decay tank for decay;
the sewage collecting tank continuously collects the sewage, and when the height of the sewage is higher than the preset value again, the second conveying pump works to convey the sewage to the second decay tank for decay;
when the sewage quality detection device in the first decay tank detects that the quality of the sewage is lower than a discharge threshold value, the first discharge pump works to discharge the sewage to a drainage system; meanwhile, the radioactive intensity of the sewage discharged from the drainage pipeline is detected by the radioactive detection probe, and when the radioactive intensity is higher than a discharge threshold value, the first discharge pump is controlled to stop;
when the sewage quality detection device in the second decay tank detects that the quality of the sewage is lower than the discharge threshold, the second discharge pump works to discharge the sewage to the drainage system; meanwhile, the radioactive intensity of the sewage discharged from the drainage pipeline is detected by the radioactive detection probe, and when the radioactive intensity is higher than a discharge threshold value, the second discharge pump is controlled to stop; and the number of the first and second groups,
the first and second cells are cleaned alternately.
By adopting the technical scheme, the central control device controls the first delivery pump to deliver the sewage into the first decay tank or controls the second delivery pump to deliver the sewage into the second decay tank for decay when the sewage in the sewage collection tank is fully collected; because the first decay tank and the second decay tank are alternately used, even if one decay tank needs to be cleaned and cleaned, sewage treatment cannot be interrupted, and the sewage treatment efficiency is ensured.
Preferably, the setting the parameters of the device includes:
verifying the identity of the set person through an identity recognition module;
setting a liquid level height parameter through a threshold setting module; and the number of the first and second groups,
and setting a sewage discharge standard threshold through a threshold setting module.
By adopting the technical scheme, the parameters of the equipment are set in advance, so that the compared reference value can be adjusted and changed, and the operation of the system is ensured.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the sewage collection tank, the first decay tank, the second decay tank, the first delivery pump, the second delivery pump, the first discharge pump and the second discharge pump are matched, so that the first decay tank and the second decay tank are alternately used, and the sewage can be kept in a treatment effect when the first decay tank or the second decay tank is cleaned;
2. the sewage treatment device adopts the technology that the liquid level detection device, the central control device and the sewage quality detection device are matched, so that the effect of automatically controlling the sewage treatment is achieved;
3. by adopting the technology of matching the height early warning module, the touch display module, the warning device, the data storage unit, the table generation module, the animation simulation module, the threshold setting module and the identity recognition module, the effect of conveniently displaying the working state of the system and remotely monitoring the working state of the system is achieved.
Drawings
FIG. 1 is a schematic diagram of the main structure of a radioactive sewage and wastewater decay treatment system according to an embodiment of the present application;
FIG. 2 is a block diagram showing control logic of the control system in the embodiment of the present application.
Description of reference numerals: 1. a sewage collection tank; 11. collecting a water pipe; 111. a water filtration grid; 12. a first delivery pump; 13. a second delivery pump; 2. a first decay tank; 21. a first discharge pump; 3. a second decay tank; 31. a second drain pump; 4. a control system; 41. a liquid level detection device; 411. an ultrasonic liquid level detection device; 412. a floating ball liquid level control device; 413. an OR gate; 42. a central control device; 43. a sewage quality detection device; 431. a decay time recording device; 432. a water quality detection device; 433. a radiation detection probe; 44. a liquid level height early warning module; 45. a warning device; 451. a touch display module; 46. a data storage unit; 461. a table generation module; 462. an animation simulation module; 47. a wireless communication module; 48. a threshold setting module; 481. and an identity recognition module.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a radioactive sewage and wastewater decay treatment system; referring to fig. 1, the radioactive sewage, waste water decay treatment system includes a sewage collecting tank 1, a first decay tank 2, and a second decay tank 3. The sewage pool is buried under the ground, the outer layer of the sewage pool is of a reinforced concrete structure, the middle of the sewage pool is a square hollow cavity formed by welding Q235B-grade carbon structural steel or Q345B-grade low-alloy high-strength structural steel so as to contain sewage, and the sewage pool is separated by a partition plate to form a sewage collecting pool 1, a first decay pool 2 and a second decay pool 3. The manhole has all been seted up at sewage collecting pit 1, first decay pond 2 and 3 tops of second decay pond, and the manhole cover is installed to the manhole.
Referring to fig. 1, a collecting water pipe 11 is communicated with a sewage collecting tank 1; one end of the collecting pipe 11, which is far away from the sewage collecting tank 1, is communicated with a radioactive sewage drain pipe in a hospital ward, and a water filtering grid 111 is arranged at the water outlet of the collecting pipe 11 of the sewage collecting tank 1. The sewage collecting tank 1 is provided with a first conveying pump 12 for lifting the sewage in the sewage collecting tank 1 to the first decay tank 2 and a second conveying pump 13 for lifting the sewage in the sewage collecting tank 1 to the second decay tank 3, the first conveying pump 12 and the second conveying pump 13 can be installed above the ground, and it can be understood that the first conveying pump 12 and the second conveying pump 13 can also be installed in the sewage collecting tank 1 according to actual requirements.
Referring to fig. 1, the first delivery pump 12 has a water inlet end connected to the wastewater collection tank 1 through a pipe, a bottom portion provided with an anti-siphon device, and a water outlet end connected to the first decay tank 2 through a pipe. The end of intaking of second delivery pump 13 passes through pipe connection in sewage collecting tank 1, and the anti-siphon device is installed to the bottom, goes out water end and passes through pipe connection in second decay pond 3.
Referring to fig. 1 and 2, the sewage treatment system further comprises a control system 4, wherein the control system 4 comprises a liquid level detection device 41 installed in the sewage collection tank 1 and a central control device 42 connected to the liquid level detection device 41, and the central control device 42 is a PLC controller. The first transfer pump 12 and the second transfer pump 13 are connected to the central control unit 42 to control the first transfer pump 12 to transfer the effluent to the first decay tank 2 or to control the second transfer pump 13 to transfer the effluent to the second decay tank 3 when the liquid level in the effluent collection tank 1 is higher than a preset value.
Referring to fig. 1 and 2, the liquid level detection device 41 includes an ultrasonic liquid level detection device 411 installed on the top wall of the sewage collection tank 1, a float liquid level control device 412 installed on the side wall of the sewage collection tank 1, and an or gate 413, wherein the ultrasonic liquid level detection device 411 is an ultrasonic liquid level sensor, and the float liquid level control device 412 is a float liquid level controller. The ultrasonic liquid level detecting device 411 and the float level control device 412 are respectively connected to the input end of an or gate 413, and the output end of the or gate 413 is connected to the central control device 42, so that when any one of the ultrasonic liquid level detecting device 411 and the float level control device 412 detects that the liquid level exceeds a preset value, the first conveying pump 12 or the second conveying pump 13 is controlled to convey.
Referring to fig. 1 and 2, a first discharge pump 21 for discharging the sewage treated in the first decay tank 2 to a drainage system is installed on the first decay tank 2; the water inlet end of the first discharge pump 21 is connected with the first decay tank 2 through a pipeline, and the bottom of the first discharge pump is provided with an anti-siphon device; the water outlet end is connected with a discharge pipeline through a pipeline. The second decay tank 3 is provided with a second discharge pump 31 for discharging the sewage treated in the first decay tank 2 to a drainage system; the water inlet end of the second discharge pump 31 is connected with the second decay tank 3 through a pipeline, and the bottom of the second discharge pump is provided with an anti-siphon device; the water outlet end is connected with the discharge pipeline through a pipeline.
Referring to fig. 1 and 2, the first transfer pump 12, the second transfer pump 13, the first discharge pump 21, and the second discharge pump 31 are crushing pumps for crushing particles in the sewage before transferring them. First decay pond 2 and the 3 alternative messenger of second decay pond, each other for the replacement, guaranteed sewage treatment in the continuity of clearance when clean, sewage collecting pit 1 both can be done sewage and collect the usefulness, can carry out the decay of radioactive substance as sewage temporary storage pool again.
Referring to fig. 1 and 2, the control system 4 further includes a sewage quality detecting device 43, the sewage quality detecting device 43 is connected to a central control device 42, and the central control device 42 is connected to the first and second discharge pumps 21 and 31, respectively, to perform discharge when the quality of water in the first and second decay ponds 2 and 3 reaches a standard.
Referring to fig. 1 and 2, the sewage quality detecting apparatus 43 includes decay time recording devices 431 respectively installed in the first and second decay ponds 2 and 3, and the sewage quality detecting apparatus 43 further includes water quality detecting devices 432 respectively installed in the first and second decay ponds 2 and 3; the decay time recording device 431 and the water quality detecting device 432 detect the water quality at the same time, thereby ensuring that the radioactivity of the sewage output to the discharge pipeline is reduced to a discharge value.
Referring to fig. 1 and 2, the wastewater quality detecting apparatus 43 further includes a radiation detecting probe 433 mounted on an outer sidewall of the discharge pipe, the radiation detecting probe 433 is used for detecting a radioactive intensity of wastewater output from the drainage pipe to the drainage system, and the radiation detecting probe 433 is connected to the central control apparatus 42 to control the first discharge pump 21 or the second discharge pump 31 to be powered off and stopped when the radioactive intensity of the wastewater output from the discharge pipe is higher than a preset value.
Referring to fig. 1 and 2, liquid level height early warning modules 44 are respectively arranged inside the first decay tank 2 and the second decay tank 3, and the liquid level height early warning modules 44 are the same as the liquid level detection device 41. Central control unit 42 is connected with and is used for warning device 45 and the touch display module 451 that is used for showing and operating when the inside liquid level height of first decay pond 2 or second decay pond 3 is higher than the default, warning device 45 is audible-visual annunciator, touch display device is the touch-sensitive screen, when liquid level height is higher than the default in first decay pond 2 or the second decay pond 3, central control unit 42 control warning device 45 reports to the police, show on touch display module 451 simultaneously.
Referring to fig. 1 and 2, the data storage unit 46 is connected to the central control module, and the central control module includes a table generation unit that automatically generates a table based on the data in the data storage unit 46 and an animation simulation module 462 that performs an operation state simulation based on the operation state, and the table generation unit can automatically generate a table based on the time line, the number of times of water drainage and the detection result of the radioactivity intensity.
Referring to fig. 1 and 2, the animation simulation module 462 can model the operating state of the processing system and display it on the touch display module 451. The simulated operation states of the animation simulation module 462 comprise the operation states of the first discharge pump 21, the second discharge pump 31, the first transfer pump 12 and the second transfer pump 13 and the liquid level simulation indications of the wastewater collection tank 1, the first decay tank 2 and the second decay tank 3.
Referring to fig. 1 and 2, the central control module is connected to a wireless communication module 47 for uploading data to the cloud server, and the wireless communication module 47 wirelessly transmits the operating state controlled by the central control module to a mobile terminal of an operator, and can receive a remote operation from the operator and execute the operation through the central control device 42.
Referring to fig. 1 and 2, the central control unit 42 comprises a threshold setting module 48, the threshold setting module 48 being adapted to set the discharge standard threshold of the first and second decay tanks 2, 3 and the discharge pipeline. The threshold setting module 48 can also set the threshold value so as to adjust the storage capacity of the wastewater collection tank 1, the first decay tank 2 and the second decay tank 3. The threshold setting module 48 includes an identity recognition module 481, the identity recognition module 481 is used for recognizing the identity of the modifier before the threshold is modified, and the identity recognition module 481 may be used for login of an account password or fingerprint verification, so that the possibility that all persons can modify and set the threshold is eliminated.
The embodiment of the application also discloses a treatment method of the radioactive sewage and wastewater decay treatment system; the treatment method of the radioactive sewage and wastewater decay treatment system comprises the following steps:
s100, setting parameters of the equipment;
after the system is set up, the parameters of the equipment are set by the threshold setting module 48, so as to provide a reference for comparison of the equipment. The method specifically comprises the following steps:
s110, verifying the identity of the setter through the identity recognition module 481;
S120, setting a liquid level height parameter through a threshold setting module 48;
the threshold value to be set is input to the threshold value setting module 48 through the touch display module 451, and then the reference value for setting the liquid level height as a comparison is set through the threshold value setting module 48.
S130, setting a sewage discharge standard threshold through a threshold setting module 48;
the sewage discharge standard threshold is obtained according to the relevant national standard, the discharge standard threshold is input to the threshold setting module 48 through the touch display module 451, and then the threshold is set through the threshold setting module 48, so as to serve as the comparative standard of sewage discharge.
S200, collecting radioactive sewage into a sewage collecting tank 1 through a water collecting pipe 11; meanwhile, the liquid level detection device 41 detects the liquid level height of the sewage in the sewage collecting tank 1;
the radioactive sewage discharged by sickrooms containing radioactivity in the courtyard and cooling facilities is collected into a sewage collecting tank 1 through a special pipeline, and the radioactive sewage can decay in the sewage collecting tank 1 in advance. While the sewage collecting tank 1 collects sewage, the ultrasonic liquid level detection device 411 at the top of the sewage collecting tank 1 and the floating ball liquid level control device 412 at the side wall of the sewage collecting tank 1 detect liquid levels simultaneously.
S300, when the height of the sewage in the sewage collecting tank 1 is higher than a preset value, a first conveying pump 12 works and conveys the sewage to a first decay tank 2 for decay;
when the height of the sewage in the sewage collecting pool 1 is higher than a preset value, the central control device 42 controls the first conveying pump 12 to start, the sewage in the sewage collecting pool 1 is conveyed to the first decay pool 2 to decay, meanwhile, the liquid level height early warning module 44 on the first decay pool 2 detects the liquid level height in the first decay pool 2, and when the liquid level height reaches the preset value, the first conveying pump 12 is controlled to stop; and when the liquid level height reaches the early warning value, an alarm is given out, and an operator is timely reminded of overhauling.
S400, continuing to collect the sewage in the sewage collecting tank 1, and when the height of the sewage is higher than the preset value again, operating the second conveying pump 13 to convey the sewage to the second decay tank 3 for decay;
the sewage collected by the sewage collecting tank 1 in the process of the decay of the first decay tank 2 is conveyed to the second decay tank 3 through the second conveying pump 13 to decay, so that the first decay tank 2 and the second decay tank 3 can be alternately used, and the normal operation of sewage treatment can be ensured when the first decay tank 2 or the second decay tank 3 is overhauled and cleaned.
S500, when the sewage quality detection device 43 in the first decay tank 2 detects that the quality of the sewage is lower than a discharge threshold value, the first discharge pump 21 works to discharge the sewage to a drainage system; meanwhile, the radioactive detection probe 433 detects the radioactive intensity of the sewage discharged from the drainage pipeline, and when the radioactive intensity is higher than a discharge threshold value, the first discharge pump 21 is controlled to stop;
s600, when the quality of the sewage detected by the sewage quality detection device 43 in the second decay tank 3 is lower than a discharge threshold value, the second discharge pump 31 works to discharge the sewage to a drainage system; meanwhile, the radioactive detection probe 433 detects the radioactive intensity of the sewage discharged from the drainage pipeline, and when the radioactive intensity is higher than a discharge threshold value, the second discharge pump 31 is controlled to stop;
and S700, alternately cleaning the first decay tank 2 and the second decay tank 3.
When the first decay tank 2 and the second decay tank 3 are used for a period of time and need to be cleaned, the second decay tank 3 or the first decay tank 2 is independently used, so that the sewage treatment can be continued without stopping the sewage treatment due to cleaning and maintenance.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The radioactive sewage and waste water decay treatment system is characterized in that: the device comprises a sewage collecting pool (1), a first decay pool (2) and a second decay pool (3), wherein the sewage collecting pool (1) is communicated with a collecting water pipe (11); be provided with on sewage collecting pit (1) and be arranged in lifting the sewage in sewage collecting pit (1) to first delivery pump (12) in first decay pond (2) and be arranged in lifting the sewage in sewage collecting pit (1) to second delivery pump (13) in second decay pond (3), be provided with on first decay pond (2) and be used for discharging the sewage after handling in first decay pond (2) to drainage system's first discharge pump (21), be provided with on second decay pond (3) and be used for discharging the sewage after handling in first decay pond (2) to drainage system's second discharge pump (31).
2. The radioactive waste, wastewater decay treatment system of claim 1, wherein: still include control system (4), control system (4) are including setting up liquid level detection device (41) in sewage collecting pit (1) and connecting in central control unit (42) of liquid level detection device (41), first delivery pump (12) and second delivery pump (13) are connected in central control unit (42) in order to control first delivery pump (12) and carry sewage to first decay pond (2) or control second delivery pump (13) and carry sewage to second decay pond (3) when the liquid level height is higher than the default in sewage collecting pit (1).
3. A radioactive waste, wastewater decay treatment system as claimed in claim 2, wherein: the liquid level detection device (41) comprises an ultrasonic liquid level detection device (411) arranged on the top wall of the sewage collection pool (1), a floating ball liquid level control device (412) arranged on the side wall of the sewage collection pool (1) and an OR gate (413), wherein the ultrasonic liquid level detection device (411) and the floating ball liquid level control device (412) are respectively connected to the input end of the OR gate (413), and the output end of the OR gate (413) is connected with a central control device (42).
4. A radioactive waste, wastewater decay treatment system, as claimed in claim 3, wherein: the control system (4) further comprises a sewage quality detection device (43), the sewage quality detection device (43) is connected to the central control device (42), and the central control device (42) is respectively connected to the first discharge pump (21) and the second discharge pump (31) to discharge when the water quality in the first decay tank (2) and the second decay tank (3) reaches a standard.
5. The radioactive waste, wastewater decay treatment system of claim 4, wherein: the sewage quality detection device (43) comprises decay time recording devices (431) respectively arranged in the first decay tank (2) and the second decay tank (3), and the sewage quality detection device (43) further comprises water quality detection devices (432) respectively arranged in the first decay tank (2) and the second decay tank (3); the sewage quality detection device is characterized in that the output end of the first discharge pump (21) and the output end of the second discharge pump (31) are connected with a discharge pipeline, the sewage quality detection device (43) further comprises a radiation detection probe (433) arranged on the discharge pipeline, and the radiation detection probe (433) is used for detecting the radioactive intensity of sewage output to a drainage system from a drainage pipeline.
6. The radioactive waste, wastewater decay treatment system of claim 5, wherein: the liquid level height early warning device is characterized in that liquid level height early warning modules (44) are respectively arranged inside the first decay pool (2) and the second decay pool (3), and the central control device (42) is connected with a warning device (45) and a touch display module (451) for displaying and operating when the liquid level height inside the first decay pool (2) or the second decay pool (3) is higher than a preset value.
7. The radioactive waste, wastewater decay treatment system of claim 6, wherein: the system comprises a central control module and a cloud server, wherein the central control module is connected with a data storage unit (46), the central control module comprises a table generation unit for automatically generating a table based on data in the data storage unit (46) and an animation simulation module (462) for simulating the working state based on the working state, and the central control module is connected with a wireless communication module (47) for uploading the data to the cloud server.
8. The radioactive waste, wastewater decay treatment system of claim 7, wherein: the central control arrangement (42) comprises a threshold setting module (48), the threshold setting module (48) being adapted to set emission standard thresholds for the first decay tank (2), the second decay tank (3) and the discharge conduit, the threshold setting module (48) comprising an identity module (481), the identity module (481) being adapted to identify a modifier before modifying the threshold.
9. A method of treating a radioactive waste, wastewater decay treatment system as claimed in claim 8, wherein: the method comprises the following steps:
setting parameters of the equipment;
radioactive sewage is collected into a sewage collecting tank (1) through a water collecting pipe (11) and collected; meanwhile, the liquid level detection device (41) detects the liquid level height of the sewage in the sewage collection pool (1);
when the height of the sewage in the sewage collecting tank (1) is higher than a preset value, a first conveying pump (12) works to convey the sewage to a first decay tank (2) for decay;
the sewage collecting tank (1) continues to collect the sewage, and when the height of the sewage is higher than the preset value again, the second conveying pump (13) works to convey the sewage to the second decay tank (3) for decay;
when the sewage quality detection device (43) in the first decay tank (2) detects that the quality of the sewage is lower than a discharge threshold value, the first discharge pump (21) works to discharge the sewage to a drainage system; meanwhile, the radioactive intensity of the sewage discharged from the drainage pipeline is detected by the radioactive detection probe (433), and when the radioactive intensity is higher than a discharge threshold value, the first discharge pump (21) is controlled to stop;
when the quality of the sewage detected by a sewage quality detection device (43) in the second decay tank (3) is lower than a discharge threshold value, a second discharge pump (31) works to discharge the sewage to a drainage system; meanwhile, the radioactive intensity of the sewage discharged from the drainage pipeline is detected by the radioactive detection probe (433), and when the radioactive intensity is higher than a discharge threshold value, the second discharge pump (31) is controlled to stop; and the number of the first and second groups,
the first decay tank (2) and the second decay tank (3) are cleaned alternately.
10. A method of treating a radioactive waste, wastewater decay treatment system as claimed in claim 9, wherein: the parameter setting of the equipment comprises the following steps:
verifying the identity of the setter through an identity recognition module (481);
setting a liquid level height parameter by a threshold setting module (48); and the number of the first and second groups,
the sewage discharge standard threshold is set through a threshold setting module (48).
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Application publication date: 20210115 |