CN215940542U - Nuclear power station resin cleaning and screening system - Google Patents
Nuclear power station resin cleaning and screening system Download PDFInfo
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- CN215940542U CN215940542U CN202120519384.3U CN202120519384U CN215940542U CN 215940542 U CN215940542 U CN 215940542U CN 202120519384 U CN202120519384 U CN 202120519384U CN 215940542 U CN215940542 U CN 215940542U
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Abstract
本实用新型属于核电站核辅助系统技术领域，特别是涉及一种核电站树脂清洗筛分系统。核电站树脂清洗筛分系统中，干式筛选装置包括振动斜板、筛选滚筒、废料储存箱以及储料箱；筛选滚筒与振动斜板相对设置；废料储存箱安装在振动斜板的出口和储料箱之间；振动筛选装置包括设有振动入口和振动出口的振动箱，以及均安装在振动箱内的粗筛网和细筛网；粗筛网的筛选间隙大于细筛网的筛选间隙；振动出口位于粗筛网和细筛网之间；超声清洗装置包括超声波发生器以及安装有清洗液的罐体；超声波发生器安装在罐体上，罐体上设有超声入口和用于排放再生核电站树脂的树脂排放口，振动出口连通超声入口。本实用新型中，提高了重生后核电站树脂的质量和纯度。
The utility model belongs to the technical field of nuclear auxiliary systems for nuclear power plants, in particular to a resin cleaning and screening system for nuclear power plants. In the resin cleaning and screening system of nuclear power plants, the dry screening device includes a vibrating inclined plate, a screening drum, a waste storage box and a material storage box; the screening drum and the vibrating inclined plate are arranged opposite to each other; the waste storage box is installed at the outlet of the vibrating inclined plate and the material storage box between boxes; the vibration screening device includes a vibration box with a vibration inlet and a vibration outlet, and a coarse screen and a fine screen installed in the vibration box; the screening gap of the coarse screen is larger than the screening gap of the fine screen; vibration The outlet is located between the coarse screen and the fine screen; the ultrasonic cleaning device includes an ultrasonic generator and a tank with cleaning liquid installed; the ultrasonic generator is installed on the tank, and the tank is provided with an ultrasonic inlet and used for discharging and regenerating the nuclear power plant. The resin discharge port of the resin, the vibration outlet communicates with the ultrasonic inlet. In the utility model, the quality and purity of the resin in the nuclear power plant after rebirth are improved.
Description
Technical Field
The utility model belongs to the technical field of nuclear auxiliary systems of nuclear power plants, and particularly relates to a resin cleaning and screening system for a nuclear power plant.
Background
The resin can remove nuclear-grade ions in the waste liquid of the nuclear power station in an ion replacement mode, so that the emission of the waste liquid of the nuclear power station reaches the emission standard. After the resin adsorbs nuclear-grade ions in the waste liquid of the nuclear power station, the adsorption capacity of the resin is reduced, the resin cannot be reused in the waste liquid of the nuclear power station, but the resin is regenerated after fresh replacement, and the regenerated resin of the nuclear power station can achieve the effect of recycling, so that the operation cost of the nuclear power station is reduced.
However, nuclear power plant resins cannot be reused after simple water treatment as common resins because they absorb nuclear-grade ions. In the prior art, the resin cleaning device of the nuclear power station cleans and regenerates the resin, and the regenerated resin of the nuclear power station has low purity and can not meet the requirement of adsorbing the waste liquid of the nuclear power station.
Disclosure of Invention
The utility model provides a nuclear power station resin cleaning and screening system, which aims at the technical problems of low purity and the like of the existing nuclear power station resin after being cleaned and regenerated by a nuclear power station resin cleaning device.
In view of the above technical problems, an embodiment of the present invention provides a nuclear power plant resin cleaning and screening system, including a dry screening device, a vibratory screening device, and an ultrasonic cleaning device;
the dry type screening device comprises a vibrating inclined plate, a screening roller, a waste storage box for storing broken resin and a storage box for storing round ball resin; the screening roller is arranged opposite to the vibrating inclined plate and is used for stirring the nuclear power station resin to be screened on the vibrating inclined plate; the waste storage box is arranged between the outlet of the vibrating inclined plate and the storage box;
the vibration screening device comprises a vibration box provided with a vibration inlet and a vibration outlet, and a coarse screen and a fine screen which are both arranged in the vibration box; the screening gap of the coarse screen is larger than that of the fine screen, and the coarse screen is positioned between the fine screen and the vibration inlet; the vibrating outlet is positioned between the coarse screen and the fine screen;
the ultrasonic cleaning device comprises an ultrasonic generator and a tank body provided with cleaning liquid; the ultrasonic generator is installed on the tank body, an ultrasonic inlet and a resin discharge port used for discharging resin of the regenerative nuclear power station are formed in the tank body, and the vibration outlet is communicated with the ultrasonic inlet.
Optionally, the vibrating inclined plate comprises an arc-shaped inclined plate, an elastic bracket, an eccentric wheel and a first hopper for conveying the nuclear power plant resin to be screened onto the arc-shaped inclined plate; the elastic support is installed the eccentric wheel of writing with between the arc swash plate, the waste material bin is installed the arc swash plate with between the storage case.
Optionally, the vibrating sloping plate further comprises a telescopic rod for adjusting the inclination angle of the arc-shaped sloping plate, and the arc-shaped sloping plate is mounted at the output end of the telescopic rod.
Optionally, the vibration box comprises a screening box provided with the vibration outlet and the vibration inlet, and a vibration exciter mounted on the screening box; the screening case is last still to be equipped with thick resin export and thin resin export, thick resin export is located the coarse screening net between the vibration entry, thin resin export is located the fine screening net is kept away from the one end of coarse screening net.
Optionally, the vibrating bin further comprises a second funnel and a cone; the coarse screen is communicated with the fine screen through the second hopper, and the fine screen is communicated with the fine resin outlet through the cone.
Optionally, the screening box comprises a screening cover, a screening cover and a box body; the box body is provided with the vibration outlet, the coarse resin outlet and the fine resin outlet, the fine screen and the coarse screen are both arranged in the box body, and the screening cover is provided with the vibration inlet; the screening cover is installed between the box body and the screening cover.
Optionally, the vibratory screening apparatus further comprises an elastic member and a base; the vibration box is installed on the base through the elastic piece.
Optionally, the ultrasonic cleaning device further comprises a reverse washing pipe, a siphon cover and an overflow pipe for discharging the resin of the waste nuclear power station; the backwashing pipe is communicated with the bottom of the tank body and is used for inputting washing water into the tank body; the siphon cover is arranged on the top of the tank body, and one end of the overflow pipe is communicated with the tank body through the siphon cover.
Optionally, the ultrasonic cleaning device further comprises a filter pipe, a circulation pump and a filter; one end of the filter pipe is communicated with the upper part of the tank body, and the other end of the filter pipe is communicated with the lower part of the tank body through the filter and the circulating pump in sequence.
Optionally, the ultrasonic cleaning device further comprises a series flow prevention baffle, and the resin discharge port is communicated with the tank body through the series flow prevention baffle.
Optionally, the inlet height of the storage bin is higher than the inlet height of the waste storage bin.
According to the utility model, the vibration of the vibration inclined plate can convey broken resin in the nuclear power station resin to be screened into the waste storage box, and the spherical resin is conveyed into the storage box, so that one-time screening work of the nuclear power station resin to be screened is realized. Ball resin in the storage box is carried to in the shaking box under the coarse screen cloth with the secondary screening of fine mesh screen cloth, the great nuclear power station resin of granule stops on the coarse screen cloth, and the less nuclear power station resin of granule is followed drop in the fine mesh screen cloth, and qualified nuclear power station resin then stops on the fine mesh screen cloth, and passes through the vibration export is carried extremely in the jar body. The nuclear power plant resin in the tank body can clean organic matters and adhesive matters on the surface of the nuclear power plant resin under the action of the ultrasonic generator, and the nuclear power plant resin in the tank body can replace nuclear ions in the nuclear power plant resin under the action of the cleaning liquid, so that the nuclear power plant resin is regenerated and the regenerated nuclear power plant resin is regenerated at the same timeAnd discharging the nuclear power plant resin from the resin discharge port. According to the resin cleaning and screening system for the nuclear power station, disclosed by the utility model, the nuclear power station resin is screened for three times, and the cracked ball resin, the mixed ball resin, the broken powder, the impurities and the like in the nuclear power station resin are removed, so that the purity of the nuclear power station resin is ensured, and key performance indexes such as the exchange capacity, the mechanical strength, the impurity content and the like of the regenerated nuclear power station resin are ensured to meet the requirement of repeated use; the whole sphere rate of the resin of the nuclear power station regenerated by the resin cleaning and screening system of the nuclear power station is more than or equal to 95 percent, and the regeneration transformation rate H of the cation resin+The target is more than or equal to 99 percent, and the condition of recycling the resin of the nuclear power station is completely realized.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of a nuclear power plant resin cleaning and screening system according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. a dry screening device; 11. vibrating the sloping plate; 111. an arc-shaped sloping plate; 112. an elastic support; 113. an eccentric wheel; 114. a first hopper; 115. a telescopic rod; 12. a screening drum; 13. a waste storage bin; 14. A material storage box;
2. a vibratory screening device; 21. a vibration box; 211. a screening box; 2111. a vibration inlet; 2112. a vibration outlet; 2113. a crude resin outlet; 2114. a fine resin outlet; 2115. a screening cover; 2116. a screening hood; 2117. a box body; 212. a vibration exciter; 213. a second hopper; 214. a cone; 22. coarse screening; 23. A fine screen; 24. an elastic member; 25. a base;
3. an ultrasonic cleaning device; 31. an ultrasonic generator; 32. a tank body; 321. an ultrasonic inlet; 322. a resin discharge port; 33. washing the tube with reverse water; 34. a siphon cap; 35. an overflow pipe; 36. a filter tube; 37. a circulation pump; 38. a filter; 39. an anti-streaming baffle.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "middle", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, a resin cleaning and screening system for a nuclear power plant according to an embodiment of the present invention includes a dry screening apparatus 1, a vibratory screening apparatus 2, and an ultrasonic cleaning apparatus 3;
the dry screening device 1 comprises a vibrating inclined plate 11, a screening roller 12, a waste storage tank 13 for storing broken resin and a storage tank 14 for storing round ball resin; the screening roller 12 is arranged opposite to the vibrating inclined plate 11 and is used for stirring the nuclear power station resin to be screened on the vibrating inclined plate 11; the waste storage box 13 is arranged between the outlet of the vibrating inclined plate 11 and the storage box 14; it can be understood that the screening cylinder 12 is provided with evenly distributed brushes, the vibration sloping plate 11 vibrates, and the screening cylinder 12 rotates, the screening cylinder 12 separates the nuclear power station resin to be screened on the vibration sloping plate 11 according to the shape, wherein the scrap resin enters into the waste storage tank 13 closer to the outlet of the vibration sloping plate 11 due to the small rolling inertia, and the pellet resin enters into the storage tank 14 farther from the outlet of the vibration sloping plate 11 due to the large rolling inertia.
Preferably, the inlet of the storage bin 14 is higher than the waste storage bin 13
(ii) an inlet height of; therefore, the broken resin falling from the vibration inclined plate 11 falls into the waste storage tank 13 after contacting the outer wall of the storage tank 14, so that the round ball resin stored in the storage tank 14 is ensured, and the regeneration quality of the resin of the nuclear power station is improved.
The vibration screening device 2 comprises a vibration box 21 provided with a vibration inlet 2111 and a vibration outlet 2112, and a coarse screen 22 and a fine screen 23 which are arranged in the vibration box 21; the screening gap of the coarse screen 22 is larger than that of the fine screen 23, and the coarse screen 22 is located between the fine screen 23 and the vibration inlet 2111; the vibration outlet 2112 is located between the coarse screen 22 and the fine screen 23; as will be understood, the round ball resin is transferred from the storage tank 14 to the vibration tank 21, under the vibration of the coarse screen 22 and the fine screen 23, the nuclear power plant resin (nuclear power plant resin with larger defective particles) having a larger gap than the coarse screen 22 will stay on the coarse screen 22, the nuclear power plant resin (nuclear power plant resin with smaller defective particles) having a smaller gap than the coarse screen 22 will fall onto the fine screen 23, and with the vibration of the fine screen 23, the nuclear power plant resin (nuclear power plant resin with smaller defective particles) having a smaller gap than the fine screen 23 will fall, and the nuclear power plant resin (nuclear power plant resin with larger gap than the fine screen 23) will be lifted on the fine screen 23 and output from the vibration outlet 2112.
In a specific embodiment, the spherical resin collected by the storage tank 14 is conveyed to the vibration tank 21 through water flow, the diameter of the nuclear power plant resin intercepted by the coarse screen 22 is 1,25mm, the diameter of the nuclear power plant resin intercepted by the fine screen is 0.45mm, the amplitude of the fine screen 23 is 7.0mm under the action of 15Hz excitation force of the coarse screen 22 and the fine screen 23, the amplitude of the coarse screen 22 is 10.0mm, the diameter of the nuclear power plant resin in the vibration tank 21 is greater than 0.45mm, and less than 1.25mm can stay on the fine screen 23, so that the vibration outlet 2112 outputs. Further, when the nuclear power plant resin is blocked by the coarse screen 22 or the fine screen 23, the vibration frequency of the coarse screen 22 and the fine screen 23 can be adjusted to be higher than 15Hz, or the nuclear power plant can be dismantled and manually washed repeatedly until the coarse screen 22 and the fine screen 23 are cleaned.
The ultrasonic cleaning device 3 comprises an ultrasonic generator 31 and a tank 32 provided with cleaning liquid; the ultrasonic generator 31 is installed on the tank 32, the tank 32 is provided with an ultrasonic inlet 321 and a resin discharge port 322 for discharging resin of the regenerative nuclear power station, and the vibration outlet 2112 is communicated with the ultrasonic inlet 321. It is understood that the nuclear power plant resin staying on the fine screen 23 is transferred to the tank 32 through the vibration outlet 2112, the nuclear power plant resin in the tank 32 can remove organic matters and adhesion on the surface of the nuclear power plant resin under the action of the ultrasonic generator 31, and the nuclear power plant resin in the tank 32 can replace nuclear ions in the nuclear power plant resin under the action of the cleaning solution, so that the regeneration of the nuclear power plant resin is realized, and the regenerated nuclear power plant resin is discharged from the resin discharge port 322.
Further, the cleaning solution includes, but is not limited to, a saturated sodium chloride solution, and the like, sodium ions in the saturated sodium chloride solution can replace nuclear ions in the nuclear power plant resin, and the replaced nuclear power plant resin recovers the adsorption capacity again and can be reused in the nuclear power plant.
In the utility model, the vibration of the vibrating inclined plate 11 can convey broken resin in the nuclear power station resin to be screened into the waste storage tank 13, and the spherical resin is conveyed into the storage tank 14, so that one-time screening work of the nuclear power station resin to be screened is realized. The round and spherical resin in the storage tank 14 is conveyed to the vibration tank 21, under the secondary screening of the coarse screen 22 and the fine screen 23, the nuclear power plant resin with larger particles stays on the coarse screen 22, the nuclear power plant resin with smaller particles falls off from the fine screen 23, and the qualified nuclear power plant resin stays on the fine screen 23 and is conveyed to the tank 32 through the vibration outlet 2112. The nuclear power plant resin in the tank 32 can be used for cleaning organic matters and adhesive matters on the surface of the nuclear power plant resin under the action of the ultrasonic generator 31, the nuclear power plant resin in the tank 32 can replace nuclear ions in the nuclear power plant resin under the action of the cleaning liquid, so that the nuclear power plant resin is regenerated while the three-time screening work of the nuclear power plant resin is realized, and the regenerated nuclear power plant resin is discharged from the resinDischarge port 322. According to the resin cleaning and screening system for the nuclear power station, disclosed by the utility model, the nuclear power station resin is screened for three times, and the cracked ball resin, the mixed ball resin, the broken powder, the impurities and the like in the nuclear power station resin are removed, so that the purity of the nuclear power station resin is ensured, and key performance indexes such as the exchange capacity, the mechanical strength, the impurity content and the like of the regenerated nuclear power station resin are ensured to meet the requirement of repeated use; the whole sphere rate of the resin of the nuclear power station regenerated by the resin cleaning and screening system of the nuclear power station is more than or equal to 95 percent, and the regeneration transformation rate H of the cation resin+The target is more than or equal to 99 percent, and the condition of recycling the resin of the nuclear power station is completely realized.
In one embodiment, as shown in fig. 1, the vibrating sloping plate 11 comprises an arc-shaped sloping plate 111, an elastic bracket 112, an eccentric wheel 113 and a first hopper 114 for conveying the nuclear power plant resin to be screened onto the arc-shaped sloping plate 111; the elastic bracket 112 is installed between the eccentric wheel 113 and the arc-shaped inclined plate 111, and the waste storage bin 13 is installed between the arc-shaped inclined plate 111 and the storage bin 14. It is understood that the number of the elastic supports 112 may be multiple (e.g. 4, 6, etc.) according to actual requirements; specifically, the rotation of the eccentric wheel 113 drives the arc-shaped inclined plate 111 to vibrate through the elastic bracket 112, so that the nuclear power plant resin on the arc-shaped inclined plate 111 rolls downwards along the arc-shaped inclined plate 111. Preferably, an auxiliary dryer for drying the nuclear power plant resin and a stirrer for stirring the nuclear power plant resin in the first hopper 114 are arranged at an outlet of the first hopper 114; therefore, the dryness of the resin of the nuclear power station on the arc-shaped inclined plate 111 is improved, the separation of the resin of the nuclear power station on the arc-shaped inclined plate 111 is facilitated, and the separation quality of the resin of the nuclear power station is further improved. In the present invention, the dry type screening apparatus 1 has a simple structure and a low manufacturing cost.
In an embodiment, as shown in fig. 1, the vibrating ramp 11 further includes a telescopic rod 115 for adjusting an inclination angle of the arc-shaped ramp 111, and the arc-shaped ramp 111 is installed at an output end of the telescopic rod 115. It will be appreciated that the telescoping rod 115 can change the angle of inclination of the sloping plate 111 to ensure that the smaller particles (broken) of the nuclear power plant resin on the sloping plate 111 roll into the waste storage tank 13 and the larger particles (round balls) of the nuclear power plant resin on the sloping plate 111 roll into the storage tank 14. In the utility model, the inclination angle of the arc-shaped inclined plate 111 is adjusted by the telescopic rod 115, so that the qualified round ball resin can roll into the storage box 14, and the quality of the resin of the nuclear power plant regenerated by the nuclear power plant resin cleaning and screening system is further improved.
In a specific embodiment, the range of the inclination angle of the arc-shaped inclined plate 111 adjusted by the telescopic rod 115 is 15 to 75 degrees; wherein, inclination is the contained angle between the back and the horizontal plane of arc swash plate.
In one embodiment, as shown in fig. 1, the vibration box 21 includes a screening box 211 provided with the vibration outlet 2112 and the vibration inlet 2111, and an exciter 212 mounted on the screening box 211; the screening box 211 is further provided with a coarse resin outlet 2113 and a fine resin outlet 2114, the coarse resin outlet 2113 is located between the coarse screen 22 and the vibration inlet 2111, and the fine resin outlet 2114 is located at one end of the fine screen 23 far away from the coarse screen 22. As will be appreciated, as the exciter 212 vibrates the coarse screen 22 and the fine screen 23, the nuclear power plant resin with larger particles will stay on the coarse screen 22 and be output from the coarse resin outlet 2113; the smaller particle nuclear power plant resin passes through the coarse screen 22 and the fine screen 23 and is output from the fine resin outlet 2114; the nuclear power plant resin, which is in a form of particles, will stay on the fine screen 23 and be transported into the tank 32 through the vibrating outlet 2112. In the utility model, the nuclear power station resin screened by the vibration screening device 2 has proper particle size, so that the quality of the regenerated nuclear power station resin is improved; and the vibration screening device 2 has simple structure and convenient cleaning.
In one embodiment, as shown in fig. 1, the vibration box 21 further comprises a second funnel 213 and a cone 214; the coarse screen 22 communicates with the fine screen 23 through the second hopper 213, and the fine screen 23 communicates with the fine resin outlet 2114 through the cone 214. As will be appreciated, the second hopper 213 is mounted at the bottom of the coarse screen 22, and the nuclear power plant resin passing through the coarse screen 22 passes through the second hopper 213 and onto the fine screen 23; further, the nuclear power plant resin passing through the fine screen 23 is output from the fine resin outlet 2114 along the taper 214. Preferably, a center point of the coarse screen 22, a center point of the second hopper 213, a center point of the fine screen 23, and a center point of the cone 214 are on the same straight line, so that the nuclear power plant resin passing through the coarse screen 22 drops at the center point of the fine screen 23, thereby improving the screening effect of the vibratory screening apparatus 2; and the nuclear power plant resin with smaller particles passing through the fine screen 23 uniformly drops to the bottom of the cone 214, preventing the nuclear power plant resin from being accumulated in the vibration tank 21.
In one embodiment, as shown in FIG. 1, the screening container 211 includes a screening lid 2115, a screening can 2116, and a box 2117; the box 2117 is provided with the vibration outlet 2112, the coarse resin outlet 2113 and the fine resin outlet 2114, the fine screen 23 and the coarse screen 22 are both installed in the box 2117, and the screening cover 2115 is provided with the vibration inlet 2111; the screen shroud 2116 is mounted between the box 2117 and the screen cover 2115. It is to be understood that the screening box 211 has a layered structure to facilitate the assembly and disassembly of the screening box 211, thereby facilitating the disassembly of the coarse screen 22 and the fine screen 23 from the box 2117, and further facilitating the cleaning work of the coarse screen 22 and the fine screen 23.
In one embodiment, as shown in fig. 1, the vibratory screening apparatus 2 further comprises an elastic member 24 and a base 25; the vibration box 21 is mounted on the base 25 through the elastic member 24. It can be understood that the elastic member 24 includes, but is not limited to, a spring, etc., and the elastic member 24 can reduce the vibration transmitted from the vibration exciter 212 to the base 25, thereby improving the stability of the operation of the nuclear power plant resin cleaning and screening system and prolonging the service life thereof.
In one embodiment, as shown in fig. 1, the ultrasonic cleaning apparatus 3 further includes a backwash pipe 33, a siphon cover 34, and an overflow pipe 35 for discharging the resin of the waste nuclear power plant; the backwashing pipe 33 is communicated with the bottom of the tank 32 and is used for inputting washing water into the tank 32; the siphon lid 34 is installed on the top of the tank 32, and one end of the overflow pipe 35 is connected to the tank 32 through the siphon lid 34. It will be appreciated that the overflow pipe 35 also communicates with an external waste resin collection tank; specifically, the backwash pipe 33 may fill high-pressure rinse water into the tank 32 to drive the solution to be cleaned and the nuclear power plant resin in the tank 32 to roll, so that the nuclear power plant resin in the tank 32 is repeatedly rubbed and washed, impurities such as low-density anion resin, white ball resin, resin fragments, broken resin, and the like mixed in the nuclear power plant resin increase density differences of different types of resins after transformation by the rinse water, and after repeated rinsing in the tank 32, the flow rate of the rinse water in the backwash pipe is adjusted, so that the nuclear power plant exhaust gas resin with high buoyancy and slow free settling is discharged from the top of the tank 32 through the siphon cover 34. In the utility model, the arrangement of the backwashing pipe 33 further improves the regeneration quality of the resin of the nuclear power station of the resin cleaning and screening system of the nuclear power station, and ensures the purity of the regenerated resin.
In one embodiment, as shown in fig. 1, the ultrasonic cleaning apparatus 3 further includes a filter pipe 36, a circulation pump 37, and a filter 38; one end of the filter pipe 36 is communicated with the upper part of the tank 32, and the other end of the filter pipe 36 is communicated with the lower part of the tank 32 sequentially through the filter 38 and the circulating pump 37. It will be appreciated that the circulation pump 37 can suck washing water from the upper part of the tank 32 through the filter pipe 36, filter the washing water through the filter 38, and re-flow the washing water from the lower part of the tank 32 back into the tank 32, thereby ensuring the cleanliness of the washing liquid in the tank 32, and improving the quality of the washing liquid in the tank 32, and thus improving the quality of the resin of the regenerative nuclear power plant of the nuclear power plant resin washing and screening system.
Further, the nuclear power station resin in the tank 32 is subjected to friction backwashing of the nuclear power station resin in the tank 32 under the action of flushing water input by the flushing pipe and high-pressure water vapor input by the circulating pump 38 through the filter pipe 36, and the ultrasonic wave emitted by the ultrasonic generator 31 can remove organic matters and cleaning matters on the surface of the nuclear power station resin, so that the nuclear power station resin in the tank 32 is layered according to flotation, and the waste nuclear power station resin is discharged from the overflow pipe 35 through the siphon cover 34; qualified nuclear power plant resin realizes the regeneration and replacement of ions under the action of cleaning water, and the regenerated nuclear power plant resin with high purity and good quality is discharged from the resin discharge port 322.
Preferably, the ultrasonic cleaning device 3 further comprises a drug adding device mounted on the filter pipe 36 and used for adding the drug into the filter pipe 36, and the drug adding device is located between the circulating pump 37 and the filter 38. In the utility model, the chemical adding device can continuously add the chemical liquid into the tank 32, so that the saturation of the cleaning liquid in the tank 32 is ensured, and the cleaning quality of the cleaning liquid in the tank 32 is maintained, thereby improving the quality of the resin of the nuclear power station after regeneration.
In one embodiment, as shown in fig. 1, the ultrasonic cleaning apparatus 3 further includes an anti-serial flow baffle 39, and the resin discharge port 322 communicates with the tank 32 through the anti-serial flow baffle 39. As can be understood, the series flow prevention baffle 39 is a metal baffle uniformly distributed at the bottom of the tank 32, and since water vapor enters the tank 32 from the bottom, the series flow prevention baffle 39 can prevent the bottom of the tank 32 from directly penetrating through the resin layer of the nuclear power plant due to uneven distribution of water vapor and too high local water flow, and directly discharging from the siphon cover 34, thereby ensuring the effects of uniform water washing prevention and sufficient soaking regeneration of the nuclear power plant resin in the tank 32, and improving the quality of the regenerated nuclear power plant resin of the nuclear power plant resin cleaning and screening system.
The above description is only an example of the nuclear power plant resin cleaning and screening system of the present invention, and should not be construed as limiting the utility model, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120519384.3U CN215940542U (en) | 2021-03-11 | 2021-03-11 | Nuclear power station resin cleaning and screening system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120519384.3U CN215940542U (en) | 2021-03-11 | 2021-03-11 | Nuclear power station resin cleaning and screening system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733760A (en) * | 2022-03-09 | 2022-07-12 | 徐州建设集团有限公司 | Screening device for stone sand in civil engineering |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733760A (en) * | 2022-03-09 | 2022-07-12 | 徐州建设集团有限公司 | Screening device for stone sand in civil engineering |
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