CN218561192U - Rapid neutralization system for wastewater generated by finely processing condensed water in nuclear power plant - Google Patents

Abstract

The utility model relates to a rapid neutralization system for the fine treatment of regenerated wastewater by condensed water in a nuclear power plant, which comprises a resin regeneration tank assembly and a wastewater neutralization pond; the resin regeneration tank assembly is communicated with the wastewater neutralization tank; the device is characterized in that a pipeline mixer is arranged on a communication pipeline between the resin regeneration tank assembly and the wastewater neutralization tank, a liquid storage tank is arranged on the pipeline mixer in a communication mode, a metering pump is arranged between the liquid storage tank and the pipeline mixer, and a pH detector is arranged between the pipeline mixer and the wastewater neutralization tank. The utility model discloses a to smart processing system regeneration effluent water system improve, through increase the line mixer in waste water discharge route, through pH detector real-time supervision and measuring pump measurement cooperation work, accomplish the pH real-time regulation of waste liquid, realize the quick neutralization of smart processing system acid-base waste water, save waste water in the stirring in the neutralization pond and the time, improved smart processing system's regeneration efficiency, and be favorable to the control of regeneration terminal point.

Description

Rapid neutralization system for wastewater generated by finely processing condensed water in nuclear power plant

Technical Field

The utility model relates to a waste water treatment technical field specifically is a quick neutralization system of regeneration waste water of nuclear power plant's condensate water fine treatment.

Background

The condensate polishing system of the nuclear power plant is used for removing dissolved and suspended impurities in a secondary loop and providing support for safe and stable operation of nuclear power, the condensate polishing system of the nuclear power plant generally adopts a treatment process of a front anode bed and a mixed bed, cation and anion exchange resins in the anode bed and the mixed bed need to be regenerated by acid and alkali after failure, a large amount of acid and alkaline wastewater is discharged in the regeneration process, and after the acid and alkaline wastewater needs to be neutralized, the pH value meets 6-9 and then is allowed to enter a non-radioactive wastewater treatment system for monitoring and discharging.

The regenerated wastewater of the condensate polishing system of the nuclear power plant is generally discharged to a wastewater neutralization pond through a drainage ditch or a drain pipe, and is collected as shown in figure 1. After the resin is regenerated, neutralizing acid and alkali wastewater discharged in the resin regeneration process, wherein the neutralization process is generally to add acid liquor or alkali liquor into the wastewater tank, then to circulate the wastewater in the neutralization tank through a wastewater conveying pump, and to simultaneously feed air into the wastewater tank through a Roots blower and stir, and to allow the wastewater to be discharged after the pH value of the outlet of the wastewater conveying pump is stabilized at 6-9 after the wastewater is circulated; as shown in fig. 2.

Because the volume in the tank is relatively large (generally 500 m) ³ The acid and alkali dosing points are generally point dosing, so that the acid or alkali is added, the acid or alkali is uniformly mixed for a period of time, then the dosing is carried out according to the pH condition, the mixing and the dosing are carried out for multiple times in the neutralization process, 2-4 hours are required in each waste water neutralization process, and the time is long. When the wastewater is neutralized, other regeneration wastewater is not allowed to be discharged, sometimes the regeneration process needs to be continued after the wastewater in the neutralization tank is neutralized and emptied, especially the operation period of a front anode bed of the fine treatment system is short, the anode bed resin needs to be regenerated once every 10-24 hours, and the regeneration efficiency of the fine treatment system is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick neutralization system of regeneration waste water of nuclear power plant's condensate polishing for solve above-mentioned technical problem.

The purpose of the utility model can be realized by the following technical proposal:

a rapid neutralization system for the fine treatment of regenerated wastewater by condensed water in a nuclear power plant comprises a resin regeneration tank assembly and a wastewater neutralization pool; the resin regeneration tank assembly is communicated with the wastewater neutralization tank; the device comprises a resin regeneration tank assembly, a waste water neutralization tank, a metering pump, a waste water neutralization tank, a resin regeneration tank assembly, a pipeline mixer, a liquid storage tank, a pH detector and a control system.

Preferably, the resin regeneration tank assembly comprises a front anode bed resin regeneration tank, the pipeline mixer comprises an anode bed mixer, the metering pump comprises an anode bed alkali metering pump, the pH detector comprises an anode bed detector, and the liquid storage tank comprises an alkali storage tank;

leading cation bed resin regeneration tank and cation bed blender intercommunication, cation bed blender and alkali holding vessel intercommunication, cation bed alkali measuring pump sets up on the intercommunication pipeline between cation bed blender and alkali holding vessel, cation bed blender and waste water neutralization pond intercommunication, be provided with the cation bed detector on the intercommunication pipeline between cation bed blender and the waste water neutralization pond.

Preferably, the resin regeneration tank assembly further comprises a mixed bed cation resin regeneration tank and a mixed bed anion resin regeneration tank; the pipeline mixer also comprises a cation bed mixer and a mixed bed mixer; the metering pump comprises a mixed bed alkali metering pump and a mixed bed acid metering pump, and the pH detector also comprises a mixed bed detector; the liquid storage tank also comprises an acid storage tank;

mix a positive resin regeneration tank and mix a negative resin regeneration tank and all communicate with mixing a blender, alkali holding vessel and sour holding vessel all communicate with mixing a blender, the alkali holding vessel with mix and be provided with between the blender and mix a bed alkali measuring pump, sour holding vessel mixes and is provided with between the blender and mix a sour measuring pump of bed, mix in bed blender and the waste water and pond intercommunication, be provided with on the communicating pipe between mixing in bed blender and the waste water and the pond and mix a detector.

Preferably, the liquid discharge pipes of the mixed bed cation resin regeneration tank and the mixed bed anion resin regeneration tank are communicated with a mother pipe, and the mother pipe is communicated with the mixed bed mixer.

Preferably, the connection part of the cation bed alkali metering pump and the cation bed mixer is arranged close to the liquid inlet end side of the cation bed mixer.

Preferably, a plurality of first partition plates are arranged in the cation bed mixer, the first partition plates are distributed on two sides of the inner wall of the cation bed mixer, the length of each first partition plate is greater than two thirds of the distance between the inner walls of the cation bed mixer, and the first partition plates are distributed in a staggered mode.

Preferably, a plurality of first partition plates are arranged between the liquid inlet end and the liquid outlet end of the cation bed mixer, and the preposed cation bed resin regeneration tank is communicated with the liquid inlet end of the cation bed mixer; the wastewater neutralization tank is communicated with the liquid outlet end of the cation bed mixer.

Preferably, the communication position of the mixed bed alkali metering pump and the mixed bed mixer is arranged at the side close to the liquid inlet end of the mixed bed mixer, and the communication position of the mixed bed acid metering pump and the mixed bed mixer is arranged at the side close to the liquid inlet end of the mixed bed mixer.

Preferably, a plurality of second partition plates are arranged in the mixed bed mixer, the second partition plates are distributed on two sides of the inner wall of the mixed bed mixer, the length of each second partition plate is greater than two thirds of the distance between the inner walls of the mixed bed mixer, and the second partition plates are distributed in a staggered mode.

Preferably, a plurality of second baffles are arranged between the liquid inlet end and the liquid outlet end of the mixed bed mixer, the main pipe is communicated with the liquid inlet end of the mixed bed mixer, and the wastewater neutralization pond is communicated with the liquid outlet end of the mixed bed mixer.

The utility model has the advantages that:

the utility model discloses a regeneration wastewater system improves smart processing system, through increase line mixer in waste water discharge route, through pH detector real-time supervision and measuring pump measurement cooperation work, accomplish the pH real-time regulation of waste liquid, the quick neutralization to smart processing system acid-base waste water has been realized, save waste water in the stirring in neutralization pond and the time of neutralizing, the regeneration efficiency of smart processing system has been improved, and be favorable to the control of regeneration terminal point, the follow-up system of discharging of well and unqualified waste water has been avoided.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a flow chart of the discharge of the regenerated wastewater of a condensate polishing system in the prior art;

FIG. 2 is a diagram of a neutralization tank neutralization system for wastewater fine treatment by condensate in the prior art;

figure 3 is the utility model discloses well condensate polishing regeneration waste water fast neutralization system.

In the figure: 1. a preposed cation bed resin regeneration tank; 2. a mixed bed cation resin regeneration tank; 3. a mixed bed anion resin regeneration tank; 4. a wastewater neutralization pond; 5. an alkali storage tank; 6. an acid storage tank; 7. cation bed alkaline metering pumps; 8. a cation bed mixer; 9. a yang bed detector; 10. a mixed bed alkaline dosing pump; 11. a mixed bed acid metering pump; 12. a mixed bed mixer; 13. a mixed bed detector; 14. a mother pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in FIG. 3, the acid and alkali wastewater discharge of the condensate polishing system comprises two parts: firstly, acidic wastewater discharged during regeneration of the resin of the front anode bed (acid waste liquid generated in the acid inlet and replacement steps) is regenerated in a resin regeneration tank 1 of the front anode bed; and acid and alkali wastewater discharged during regeneration of the mixed bed cation and anion resins, the mixed bed cation resin is regenerated in the mixed bed cation resin regeneration tank 2 (acid waste liquid generated in acid inlet and replacement is discharged), and the mixed bed anion resin is regenerated in the mixed bed anion resin regeneration tank 3 (alkali waste water generated in alkali inlet and replacement is discharged).

As shown in fig. 3, the embodiment of the utility model discloses a quick neutralization system of condensate polishing regeneration waste water of nuclear power plant, including resin regeneration tank subassembly and waste water neutralization pond 4, resin regeneration tank subassembly and waste water neutralization pond 4 intercommunication, be provided with the line mixer on the intercommunication pipeline between resin regeneration tank subassembly and the waste water neutralization pond 4, the last intercommunication of line mixer is provided with the liquid storage pot, an acid for depositing neutralization usefulness, alkali lye, be provided with the measuring pump between liquid storage pot and the line mixer, a feeding amount for controlling acid, alkali lye, be provided with the pH detector between line mixer and the waste water neutralization pond 4, a pH value when being used for detecting waste liquid discharge in the line mixer, acid, alkali waste liquid gets into the line mixer internal mixing after resin regeneration tank subassembly discharges, waste liquid gets into in the waste water neutralization pond 4 behind the pH detector, when the waste liquid pH detector detects the pipeline mixer discharge changes, through real-time feedback, and the signal parameter according to the feedback of settlement, control acid, the waste liquid pH value in dynamic adjustment line mixer gets into in the line mixer.

As shown in fig. 3, the resin regeneration tank assembly comprises a preposed cation bed resin regeneration tank 1, a mixed bed cation resin regeneration tank 2 and a mixed bed anion resin regeneration tank 3; the pipeline mixer comprises a cation bed mixer 8 and a mixed bed mixer 12; the metering pump comprises a cation bed alkali metering pump 7, a mixed bed alkali metering pump 10 and a mixed bed acid metering pump 11, the pH detector comprises a cation bed detector 9 and a mixed bed detector 13; the liquid storage tank comprises an alkali storage tank 5 and an acid storage tank 6;

the preposed cation bed resin regeneration tank 1 is communicated with a cation bed mixer 8 (a liquid inlet end), the cation bed mixer 8 is communicated with an alkali storage tank 5, an cation bed alkali metering pump 7 is arranged between the cation bed mixer 8 and the alkali storage tank 5 and used for accurately metering alkali liquor input from the alkali storage tank 5 to the cation bed mixer 8, the cation bed mixer 8 (a liquid outlet end) is communicated with a wastewater neutralization tank 4, a cation bed detector 9 used for detecting the pH value of discharge liquid in real time is arranged on a communication pipeline between the cation bed mixer 8 and the wastewater neutralization tank 4, and the cation bed detector 9 is also used for adjusting the dosage of the alkali bed alkali metering pump 7 in feedback control.

It should explain, for guaranteeing that the waste liquid in the cation bed blender 8 is abundant neutralized, its inlet end and outlet end set up respectively at the both ends of cation bed blender 8, cation bed alkali measuring pump 7 sets up the inlet end side near cation bed blender 8 with the intercommunication department of cation bed blender 8, guarantee the route that the inlet end and outlet end intercommunication are mixed for further increase simultaneously, set up a plurality of first baffles (distribute in the upper and lower side of cation bed blender 8) on cation bed blender 8, the length of a plurality of first baffles is greater than the two-thirds of the 8 inner wall intervals of cation bed blender, a plurality of first baffles staggered distribution, thereby reach the effect that increases flow path.

Acid wastewater of a condensate polishing system is discharged into a preposed cation bed resin regeneration tank 1, and the preposed cation bed resin is regenerated in the preposed cation bed resin regeneration tank 1; when the preposed cation bed resin regeneration tank 1 is used for cation resin regeneration, acidic waste water which exceeds the standard is discharged only in the steps of acid inlet and replacement, the acidic waste water which exceeds the standard flows through the cation bed detector 9 after being discharged, the cation bed detector 9 detects the pH value of the waste liquid at the moment and feeds back the pH value, when the cation bed detector 9 detects that the pH value of the waste liquid is acidic, a signal is fed back to the alkali cation bed alkali metering pump 7, and the alkali cation bed alkali metering pump 7 conveys quantitative alkali liquor from the alkali storage tank 5 to the cation bed mixer 8 to be neutralized with the acidic waste liquid according to the preset pH value variation. The liquid inlet amount of the acid inlet and replacement step of the preposed cation bed resin regeneration tank 1 is stable, and the acid inlet amount of each time is basically consistent, so that the stable control of the neutralization end point of the discharged acidic wastewater can be realized by the mode.

As shown in fig. 3, the mixed bed positive resin regeneration tank 2 and the mixed bed negative resin regeneration tank 3 are both communicated with the mixed bed mixer 12 (liquid inlet end), specifically: the liquid discharge pipes of the mixed bed cation resin regeneration tank 2 and the mixed bed anion resin regeneration tank 3 are communicated with a main pipe 14, and the main pipe 14 is communicated with a mixed bed mixer 12; an alkali storage tank 5 and an acid storage tank 6 are both communicated with a mixed bed mixer 12 (the alkali storage tank 5 is communicated with an alkali dosing port of the mixed bed mixer 12, the acid storage tank 6 is communicated with an acid dosing port of the mixed bed mixer 12), a mixed bed alkali metering pump 10 is arranged between the alkali storage tank 5 and the mixed bed mixer 12 and used for accurately controlling the conveying amount of alkali liquor in the alkali storage tank 5, a mixed bed acid metering pump 11 is arranged between the acid storage tank 6 and the mixed bed mixer 12 and used for accurately controlling the conveying amount of the alkali liquor in the acid storage tank 6, the mixed bed mixer 12 (a liquid outlet end) is communicated with a wastewater neutralization tank 4, a mixed bed detector 13 for detecting the pH value of waste liquid in real time is arranged on a communication pipeline between the mixed bed mixer 12 and the wastewater neutralization tank 4, and the mixed bed detector 13 is also used for controlling the dosing amount of the mixed bed alkali metering pump 10 and the mixed bed acid metering pump 11 for neutralization in feedback control.

When the mixed bed cation resin regeneration tank 2 is used for cation resin regeneration, acidic waste water exceeding the standard is discharged only in the steps of acid feeding and replacement. The acid and alkali feeding processes of the mixed bed positive resin regeneration tank 2 and the mixed bed negative resin regeneration tank 3 are carried out simultaneously, so that the discharged acid and alkali liquor can be preliminarily mixed in the main pipe 14 and then are mixed in the mixed bed mixer 12, the mixed waste liquid is discharged into the waste water neutralization tank 4, the pH value is detected by the mixed bed detector 13, the mixed bed alkali metering pump 10 or the mixed bed acid metering pump 11 is started according to a pH value signal fed back by the mixed bed detector 13, the corresponding accurate amounts of the alkali liquor in the alkali storage tank 5 and the acid liquor in the acid storage tank 6 are introduced into the mixed bed mixer 12 for carrying out pH real-time adjustment, and the waste water is neutralized. The mixed bed cation resin regeneration tank 2 and the mixed bed anion resin regeneration tank 3 have stable liquid inlet amount in the steps of acid inlet, alkali inlet and replacement, and the acid inlet amount and the alkali inlet amount are basically consistent each time, so that the stable control of the neutralization end point of the discharged wastewater can be realized by the mode.

It should be noted that, in order to ensure that the waste liquid in the mixed bed mixer 12 is fully neutralized, the liquid inlet end and the liquid outlet end are respectively arranged at two ends of the mixed bed mixer 12, the communicating parts of the mixed bed alkali metering pump 10 and the mixed bed acid metering pump 11 and the mixed bed mixer 12 are respectively arranged at the liquid inlet end side close to the mixed bed mixer 12, the liquid inlet end and the liquid outlet end are communicated, meanwhile, for further increasing the mixing path, a plurality of clapboards (distributed at the upper side and the lower side of the mixed bed mixer 12) are arranged on the mixed bed mixer 12, the length of the plurality of second clapboards is greater than two thirds of the distance between the inner walls of the mixed bed mixer 12, and the plurality of clapboards are distributed in a staggered manner, thereby achieving the effect of increasing the flow path.

Acid and alkali wastewater regenerated and discharged by the rapid neutralization system is neutralized by the above mode and then discharged into the wastewater neutralization tank 4, the pH value of the wastewater neutralization tank meets the discharge requirement, the wastewater neutralization tank 4 is not needed to be neutralized basically, the wastewater can be directly discharged through a wastewater pump, the neutralization time of the wastewater in the neutraryotic tank is saved, and the resin regeneration efficiency of the whole system is improved.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (10)

1. A rapid neutralization system for the fine treatment of regenerated wastewater by condensed water in a nuclear power plant is characterized by comprising a resin regeneration tank assembly and a wastewater neutralization pond (4); the resin regeneration tank assembly is communicated with the wastewater neutralization tank (4); the device is characterized in that a pipeline mixer is arranged on a communication pipeline between the resin regeneration tank assembly and the wastewater neutralization tank (4), a liquid storage tank is arranged on the pipeline mixer in a communication mode, a metering pump is arranged between the liquid storage tank and the pipeline mixer, and a pH detector is arranged between the pipeline mixer and the wastewater neutralization tank (4).

2. The system for rapidly neutralizing the regeneration wastewater generated by finely treating the condensed water in the nuclear power plant according to claim 1, wherein the resin regeneration tank assembly comprises a front anode bed resin regeneration tank (1), the pipeline mixer comprises an anode bed mixer (8), the metering pump comprises an anode bed alkali metering pump (7), the pH meter comprises an anode bed detector (9), and the liquid storage tank comprises an alkali storage tank (5);

leading cation bed resin regeneration tank (1) and cation bed blender (8) intercommunication, cation bed blender (8) and alkali holding vessel (5) intercommunication, cation bed alkali measuring pump (7) set up on the intercommunication pipeline between cation bed blender (8) and alkali holding vessel (5), cation bed blender (8) and waste water neutralization pond (4) intercommunication, be provided with cation bed detector (9) on the intercommunication pipeline between cation bed blender (8) and the waste water neutralization pond (4).

3. The system for rapidly neutralizing the regeneration wastewater of the condensate polishing treatment of nuclear power plant as claimed in claim 2, wherein the resin regeneration tank assembly further comprises a mixed bed positive resin regeneration tank (2) and a mixed bed negative resin regeneration tank (3); the pipeline mixer also comprises a positive bed mixer (8) and a mixed bed mixer (12); the metering pump comprises a mixed bed alkali metering pump (10) and a mixed bed acid metering pump (11), and the pH detector also comprises a mixed bed detector (13); the liquid storage tank also comprises an acid storage tank (6);

mix a positive resin regeneration tank (2) and mix a negative resin regeneration tank (3) and all communicate with mixing a bed blender (12), alkali holding vessel (5) and acid holding vessel (6) all communicate with mixing a bed blender (12), be provided with between alkali holding vessel (5) and the mixing a bed blender (12) and mix a bed alkali measuring pump (10), acid holding vessel (6) are provided with between mixing a bed blender (12) and mix a bed acid measuring pump (11), mix a bed blender (12) and waste water neutralization pond (4) intercommunication, be provided with on the intercommunication pipeline between mixing a bed blender (12) and waste water neutralization pond (4) and mix a bed detector (13).

4. The system for rapidly neutralizing the regeneration wastewater generated by finely treating the condensed water in the nuclear power plant as claimed in claim 3, wherein the liquid discharge pipes of the mixed bed positive resin regeneration tank (2) and the mixed bed negative resin regeneration tank (3) are communicated with a main pipe (14), and the main pipe (14) is communicated with the mixed bed mixer (12).

5. The system for rapidly neutralizing the regeneration wastewater generated by finely treating the condensed water in the nuclear power plant according to any one of claims 2 to 4, characterized in that the communication between the cation bed alkali metering pump (7) and the cation bed mixer (8) is arranged at the side close to the liquid inlet of the cation bed mixer (8).

6. The system for rapidly neutralizing the regeneration wastewater generated by finely treating the condensed water in the nuclear power plant according to claim 2, wherein a plurality of first partition plates are arranged in the cation bed mixer (8), the plurality of first partition plates are distributed on two sides of the inner wall of the cation bed mixer (8), the length of each first partition plate is greater than two thirds of the distance between the inner walls of the cation bed mixer (8), and the plurality of first partition plates are distributed in a staggered manner.

7. The system for rapidly neutralizing the regeneration wastewater generated by finely treating the condensed water in the nuclear power plant as claimed in claim 6, wherein a plurality of first partition plates are arranged between the liquid inlet end and the liquid outlet end of the cation bed mixer (8), and the preposed cation bed resin regeneration tank (1) is communicated with the liquid inlet end of the cation bed mixer (8); the waste water neutralization tank (4) is communicated with the liquid outlet end of the anode bed mixer (8).

8. The system for rapidly neutralizing the regeneration wastewater generated by finely treating the condensed water in the nuclear power plant according to claim 3 or 4, wherein the communication position of the mixed bed alkali metering pump (10) and the mixed bed mixer (12) is arranged at the side close to the liquid inlet end of the mixed bed mixer (12), and the communication position of the mixed bed acid metering pump (11) and the mixed bed mixer (12) is arranged at the side close to the liquid inlet end of the mixed bed mixer (12).

9. The system for rapidly neutralizing the regeneration wastewater generated by the fine treatment of the condensed water in the nuclear power plant as claimed in claim 4, wherein a plurality of second partition plates are arranged in the mixed bed mixer (12), the second partition plates are distributed on two sides of the inner wall of the mixed bed mixer (12), the length of each second partition plate is greater than two thirds of the distance between the inner walls of the mixed bed mixer (12), and the second partition plates are distributed in a staggered manner.

10. The system for rapidly neutralizing the wastewater generated by the fine treatment of condensed water in the nuclear power plant as claimed in claim 9, wherein a plurality of second partition plates are arranged between the liquid inlet end and the liquid outlet end of the mixed bed mixer (12), the main pipe (14) is communicated with the liquid inlet end of the mixed bed mixer (12), and the wastewater neutralization pond (4) is communicated with the liquid outlet end of the mixed bed mixer (12).

Images