CN214038811U

CN214038811U - Air purification device for nuclear power plant

Info

Publication number: CN214038811U
Application number: CN202022390776.2U
Authority: CN
Inventors: 阮涵贞; 岳增强; 叶永东
Original assignee: China General Nuclear Power Corp; CGN Power Co Ltd; Daya Bay Nuclear Power Operations and Management Co Ltd; Lingdong Nuclear Power Co Ltd; Guangdong Nuclear Power Joint Venture Co Ltd; Lingao Nuclear Power Co Ltd
Current assignee: China General Nuclear Power Corp; CGN Power Co Ltd; Daya Bay Nuclear Power Operations and Management Co Ltd; Lingdong Nuclear Power Co Ltd; Guangdong Nuclear Power Joint Venture Co Ltd; Lingao Nuclear Power Co Ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-08-24
Anticipated expiration: 2030-10-23

Abstract

The utility model belongs to a special tool for a nuclear power plant, in particular to an air purification device for the nuclear power plant, which comprises a case with an inner container, wherein the case is provided with an air inlet and an air outlet which are communicated with the inner container and the outside, the inside of the case is provided with a filtration channel communicated with the air inlet and the air outlet, and a purifier is arranged in the filtration channel; the machine case is located the air outlet and is provided with the fan, and the inside of machine case is provided with the power supply module with fan electric connection, and air purification device still includes the outage early warning mechanism with power supply module electric connection. The utility model provides an air purification device for nuclear power plant carries out the outage early warning mechanism that monitors through being provided with on quick-witted case and being used for real-time operating condition to air purification device and the power supply condition, prevents air purification device because the electric quantity supply is not enough or unusual outage stop work and idle in the operation region, effectively promotes air purification device's operating efficiency.

Description

Air purification device for nuclear power plant

Technical Field

The utility model belongs to the technical field of the specialized tool of nuclear power plant, more specifically say, relate to an air purification device for nuclear power plant.

Background

In the in-service equipment maintenance and retired waste preparation processes of nuclear power plants, various radioactive air pollution atmospheres are often accompanied, and in order to protect workers and the environment, an air purification device is generally required to be arranged to filter air in an operation area, however, the operation area needing air purification generally has the problems of limited field operation space, different specific directions and heights of the area needing air purification, various radioactive pollution sources mixed in the air and the like; a air purification device for nuclear power plant among the prior art's volume is great, and the weight of equipment is heavier, is unfavorable for the transport, simultaneously because air purification device one-time operation is consuming time longer, has the operation state and the power supply condition that the operation personnel did not in time discover air purification device, leads to the device to cause the problem that air purification device operating efficiency is low because the electric quantity is not enough to stop the operation and idle in the operation region.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air purification device for nuclear power plant to solve the operation personnel that exist among the prior art and in time not discover air purification device's operating condition and the power supply condition, lead to the device because the electric quantity is not enough or unusual outage stop work and idle in the operation region, cause the technical problem that air purification device operating efficiency is low.

In order to achieve the above object, the utility model adopts the following technical scheme: the air purification device for the nuclear power plant comprises a case with an inner container, wherein the case is provided with an air inlet and an air outlet which are communicated with the inner container and the outside, a filtering channel communicated with the air inlet and the air outlet is arranged in the case, and a purifier is arranged in the filtering channel; the air purification device comprises an air outlet, a fan, a power supply assembly and an air purification device, wherein the fan is arranged at the air outlet, the power supply assembly is electrically connected with the fan and arranged inside the case, and the air purification device further comprises a power-off early warning mechanism electrically connected with the power supply assembly.

In one embodiment, the power failure early warning mechanism comprises a controller, a start-stop switch and a warning component, wherein the start-stop switch and the warning component are both electrically connected with the controller.

In one embodiment, the warning assembly includes a warning light set and/or a warning horn electrically connected to the controller.

In one embodiment, the power outage early warning mechanism further comprises a rechargeable battery electrically connected with the controller.

In one embodiment, the air purification device further comprises a fixing component for fixedly connecting the outage early warning mechanism, and the fixing component comprises a first magnetic attraction piece arranged on the outer wall of the case and a second magnetic attraction piece arranged on the outage early warning mechanism.

In one embodiment, the purifier comprises a filtering part and an adsorption part, and the air inlet, the filtering part, the adsorption part and the air outlet are sequentially arranged along the extending direction of the filtering channel.

In one embodiment, the air inlet of the fan, the windward surface of the filter element and the windward surface of the adsorption element are all coaxially arranged, and the axial direction of the air inlet is perpendicular to the axial direction of the windward surfaces of the filter element and the adsorption element.

In one embodiment, a first mounting assembly for mounting the filtering component is arranged inside the case, and the first mounting assembly comprises a pressing piece and a limiting buckle for limiting the displacement of the filtering component.

In one embodiment, a first material changing port which is communicated with the inner container and the outside and used for changing the filtering component is formed in the side wall of the case, and a first sealing cover plate is arranged on the case and located on the first material changing port cover.

In one embodiment, a second mounting assembly for mounting the adsorption part is arranged in the chassis, and the second mounting assembly comprises a top member and a limit guide rail for limiting the displacement of the adsorption part.

In one embodiment, a second material changing port which is communicated with the inner container and the outside and used for changing the adsorption part is formed in the side wall of the case, and a second sealing cover plate is arranged on the case and located at the second material changing port cover.

In one embodiment, the power supply assembly includes a power distribution box, a storage battery electrically connected to the power distribution box, and an external power line electrically connected to the storage battery.

In one embodiment, the chassis is provided with an external connection part for externally connecting an air pipe at the air outlet.

In one embodiment, the bottom of the case is provided with a moving assembly, the moving assembly comprises a plurality of universal wheels uniformly distributed along the circumferential direction of the bottom surface of the case, and braking members are arranged on the universal wheels.

In one embodiment, the outer surface of the case is provided with lifting lugs and fork holes, and the side wall of the case is provided with handles.

The utility model provides an air purification device for nuclear power plant's beneficial effect lies in: compared with the prior art, the utility model discloses an air purification device for nuclear power plant is through seting up the income wind gap and the air outlet that communicate inner bag and external on quick-witted case, be provided with the filtration passageway that communicates income wind gap and air outlet in the inside of quick-witted case, be provided with the clarifier in filtering the passageway, be provided with the fan in the air outlet department of quick-witted case, be provided with the power module that provides the electric energy that the operation needs for the fan simultaneously, provide the electric energy for the fan through the power module and make the fan rotate, absorb external air through the income wind gap on the quick-witted case and get into filtering the passageway, radioactive contamination source in the air is filtered by the clarifier, and will accomplish the air current that filters and arrange to the external world through the air outlet, realize purifying the air in the operation region, protect operation personnel and operation environment; air purification device still has the outage early warning mechanism with power supply module electric connection, monitors air purification device's operating condition and power supply condition in real time, when air purification device appears that the electric quantity supply is not enough or unusual outage stops the operation, outage early warning mechanism can in time send out the police dispatch newspaper and indicate the operation personnel to carry out the power supply, prevents that air purification device from stopping the operation and idle in the operation region, effectively promotes air purification device's operating efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic perspective view of an air purification apparatus for a nuclear power plant according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of an air purification apparatus for a nuclear power plant according to an embodiment of the present invention;

fig. 3 is a schematic vertical sectional structure diagram of an air purification device for a nuclear power plant according to an embodiment of the present invention;

fig. 4 is a schematic top view of an air purification apparatus for a nuclear power plant according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-a chassis; 11-an inner container; 12-air inlet; 13-air outlet; 131-an external connection part; 14-a first mounting assembly; 141-a compression member; 142-limiting buckle; 15-a second mounting assembly; 151-a top retaining member; 152-a limit guide rail; 16-a first sealing cover plate; 17-a second sealing cover plate; 181-lifting lug; 182-a fork hole; 183-a handle; 2-a filter element; 3-an adsorption component; 4-a fan; 5-a power-off early warning mechanism; 51-warning light group; 6-a distribution box; 7-universal wheels; 71-a stopper.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3 together, the air purification apparatus for a nuclear power plant provided in this embodiment includes a case 1 having an inner container 11, an air inlet 12 and an air outlet 13 communicating the inner container 11 with the outside are formed on the case 1, a filtering channel communicating the air inlet 12 and the air outlet 13 is formed inside the case 1, a purifier is disposed in the filtering channel, a fan 4 is disposed at the air outlet 13 of the case 1, and a power supply assembly providing electric energy required for the operation of the fan 4 is also provided. Air purification device still includes with power supply module electric connection's outage early warning mechanism 5, outage early warning mechanism 5 can set up at the outer wall or the inner wall of quick-witted case 1.

According to the air purification device for the nuclear power plant, the power supply assembly arranged inside the case 1 provides electric energy for the fan 4 to enable the fan 4 to rotate, the air inlet 12 on the case 1 absorbs outside air to enter the filtering channel, the purifier filters a radioactive pollution source in the air, and the filtered air flows through the air outlet 13 and is discharged to the outside, so that the air in an operation area is purified, and an operator and an operation environment are protected; air purification device still has the outage early warning mechanism 5 with power supply module electric connection, monitors air purification device's operating condition and power supply condition in real time, when air purification device appears that the electric quantity supply is not enough or unusual outage stop work, outage early warning mechanism 5 can in time send out the alarm and indicate the operation personnel to carry out the power supply, prevents that air purification device from stopping work and idle in the operation region, effectively promotes air purification device's operating efficiency.

Referring to fig. 1 to 2 together, as a specific embodiment of the air purification apparatus for a nuclear power plant provided in this embodiment, a power supply assembly of a case 1 of the air purification apparatus includes a distribution box 6, a storage battery electrically connected to the distribution box 6, and an external power line electrically connected to the storage battery, and is electrically connected to an external power source through the external power line to charge the storage battery in the case 1, so that the air purification apparatus can perform operations while charging, and can also perform daily operations by directly using electric energy stored in the storage battery; the battery carries the electric energy to block terminal 6, distributes to each device that needs the electric energy, makes the electric energy distribution more reasonable through being provided with block terminal 6, is convenient for to the operation of opening and shutting of air purification device inner circuit, has higher safety protection level, and the state of switching on of ability audio-visual display circuit is favorable to overhauing when taking place circuit fault.

Referring to fig. 1 to 2, in this embodiment, the air purification apparatus further includes a fixing component disposed on an outer wall of the chassis 1 and used for fixedly connecting the outage early warning mechanism 5, where the specific structure of the fixing component is not limited, optionally, the fixing component includes a first magnetic attraction piece disposed on the chassis 1 and a second magnetic attraction piece disposed on the outage early warning mechanism 5, and the first magnetic attraction piece disposed on the chassis 1 and the second magnetic attraction piece disposed on the outage early warning mechanism 5 attract each other magnetically through the magnetic attraction function of the magnetic attraction component, so as to firmly connect the outage early warning mechanism 5 to a preset position on the outer wall of the chassis 1, thereby facilitating assembly and disassembly; the power supply assembly is additionally provided with a power plug board used for being connected with the power failure early warning mechanism 5, and an external wire plug of the power failure early warning mechanism 5 is plugged into the power plug board and is electrically connected with the power supply assembly. The outage early warning mechanism 5 comprises a controller, a start-stop switch and a warning assembly, wherein the start-stop switch and the warning assembly are electrically connected with the controller, the start-stop switch controls the start and stop of the controller and the warning assembly of the outage early warning mechanism 5, when the outage early warning mechanism 5 is connected with a power supply assembly and fixed on the outer wall of the case 1, the air purification device is started firstly, then the start-stop switch is started, the outage early warning mechanism 5 monitors the operation state and the power supply condition of the air purification device in real time, when the air purification device is insufficient in power supply or abnormally powered off to stop operation, the controller of the outage early warning mechanism 5 controls the warning assembly to give an alarm to prompt an operator to supply power in time, the air purification device is prevented from stopping operation and being idle in an operation area, and the operation efficiency of the air purification device is effectively improved; if the air purification device does not have the power-off phenomenon in the operation process, when the air purification device stops operating, the start-stop switch of the power-off early warning mechanism 5 is closed, and then the power supply assembly of the air purification device is closed. Optionally, the warning assembly includes warning banks 51 and/or warning loudspeaker with controller electric connection, its specific configuration can set up according to the customer's demand, if air purification device appears the electric quantity supply and is not enough or when unusual outage stop work, the warning assembly of outage early warning mechanism 5 is under the control of controller, send urgent warning sound by warning loudspeaker, the light scintillation of warning banks 51 is followed simultaneously, the warning sound of warning loudspeaker can reach 90 to 110 decibels, the light of warning banks 51 can indicate the staff in the distant place in time to monitor and acquire air purification device's outage condition. Optionally, outage early warning mechanism 5 still includes the rechargeable battery with controller electric connection, when the electric quantity that outage early warning mechanism 5 allocated the power supply module was crossed low, can provide the electric energy for outage early warning mechanism 5's operation through rechargeable battery, guarantee outage early warning mechanism 5 can normally start the warning subassembly and send out the police dispatch newspaper when power supply module cuts off the power supply, can in time send out the police dispatch newspaper suggestion operation personnel and carry out the power supply, prevent that air purification device from stopping the operation and idle in the operation region, effectively promote air purification device's operating efficiency.

Referring to fig. 2 to 4, in the present embodiment, the purifier of the air purification apparatus includes a filter element 2 and an adsorption element 3, and optionally, the filter element 2 is a high efficiency filter for filtering radioactive aerosol, and the adsorption element 3 is an iodine adsorber for adsorbing radioactive iodine gas. The air inlet 12, the filter part 2, the adsorption part 3 and the air outlet 13 of the air purification device are sequentially arranged along the extension direction of the filter channel; optionally, the air port of the fan 4 of the air purification device, the windward side of the filter part 2 and the windward side of the adsorption part 3 are all coaxially arranged, so that the overall volume of the air purification device is favorably reduced; the axial direction of the air inlet 12 is perpendicular to the axial direction of the windward sides of the filtering part 2 and the adsorption part 3, so that the air path resistance is favorably reduced, the air inlet amount of the air inlet 12 is increased, and the operation efficiency of the air purification device is favorably improved; optionally, the chassis 1 is located at the air outlet 13 and is provided with an external portion 131 for connecting an external air pipe, and the external portion 131 for connecting the external air pipe is arranged at the air outlet 13, so that air exhausted from the air outlet 13 flows into the external air pipe, thereby effectively avoiding the risk of dust flying at the air outlet 13.

Referring to fig. 3, in the present embodiment, a first mounting assembly 14 for mounting the filter component 2 is disposed inside the chassis 1 of the air purification apparatus, the filter component 2 is stably mounted inside the chassis 1 through the first mounting assembly 14, and the radioactive aerosol absorbed into the air inside the filter channel is filtered; the side wall of the case 1 is provided with a first material changing port which is communicated with the inner container 11 and the outside and is used for changing the filtering component 2, the case 1 is provided with a first sealing cover plate 16 at the first material changing port cover, the first sealing cover plate 16 is covered at the first material changing port, the air tightness inside the air purifying device is guaranteed while the filtering component 2 is changed, and the filtering effect of the air purifying device is further favorably improved, the connection mode between the first sealing cover plate 16 and the case 1 is not limited, and the connection mode can adopt a threaded connection mode, so that the mounting and dismounting are convenient; optionally, the first mounting assembly 14 includes a pressing member 141 and a limit catch 142 for limiting the displacement of the filter element 2, where the specific structures of the pressing member 141 and the limit catch 142 are not limited, and optionally, the pressing member 141 is a pressing bolt; when filter element 2 in the machine case 1 needs to be replaced, the first sealing cover plate 16 is detached, the adjusting and loosening pressing piece 141 and the filter element 2 are replaced, the replaced filter element 2 is installed and positioned to the preset position through the limiting buckle 142, the adjusting and pressing piece 141 is firmly installed at the preset position, and the first sealing cover plate 16 is covered to the first material replacing opening for sealing and fixing.

Referring to fig. 3, in the present embodiment, a second mounting assembly 15 for mounting the adsorption component 3 is further disposed inside the case 1 of the air purification apparatus, and the adsorption component 3 is stably mounted inside the case 1 through the second mounting assembly 15 to adsorb radioactive iodine pollution in the air absorbed into the adsorption channel; a second material changing port which is communicated with the inner container 11 and the outside and is used for changing the adsorption part 3 is formed in the side wall of the case 1, a second sealing cover plate 17 is arranged on a second material changing port cover of the case 1, and the second sealing cover plate 17 is covered at the second material changing port, so that the air tightness in the air purification device is guaranteed while the adsorption part 3 is changed, the adsorption effect of the air purification device is further improved, the connection mode between the second sealing cover plate 17 and the case 1 is not limited, and the connection mode can be in a threaded connection mode, so that the loading and unloading are convenient; optionally, the second mounting assembly 15 includes a tightening member 151 and a limit rail 152 for limiting the displacement of the suction part 3, where the specific structures of the tightening member 151 and the limit rail 152 are not limited, and optionally, the tightening member 151 is a tightening bolt; when the adsorption element 3 in the machine case 1 needs to be replaced, the second sealing cover plate 17 is detached, the jacking piece 151 is loosened and the adsorption element 3 is replaced, the replaced adsorption element 3 is installed and positioned to the preset position through the limiting guide rail 152, the jacking piece 151 is tightened, the adsorption element 3 is stably installed at the preset position, and the second sealing cover plate 17 is covered to the second material replacing port for sealing and fixing.

Referring to fig. 1 to 2, in the present embodiment, the air purification apparatus is provided with the moving component at the bottom of the chassis 1, where the specific structure of the moving component is not limited, and the moving component is provided at the bottom of the chassis 1, so that the air purification apparatus can move and turn on the ground, thereby effectively increasing the operation range, facilitating transportation, and having a wider application range; optionally, the moving assembly comprises a plurality of universal wheels 7 uniformly distributed along the circumferential direction of the bottom surface of the chassis 1, the braking members 71 are arranged on the universal wheels 7, the structure is simple, the installation is convenient, and meanwhile, the braking members 71 are arranged on the universal wheels 7, so that when the air purification device reaches a specified position, the braking members 71 limit the rotation of the universal wheels 7, the displacement of the air purification device is limited, the positioning is realized, and the operation is simple and convenient. Optionally, a handle 183 is arranged on the side wall of the chassis 1, so that an operator can push the air purification device to move horizontally to a designated position; optionally, the outer surface of the case 1 is provided with a lifting lug 181 and a fork hole 182, so that the air purification device is more convenient to carry and convenient to hoist and fork.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An air purification device for a nuclear power plant, characterized in that: the air purifier comprises a case with an inner container, wherein the case is provided with an air inlet and an air outlet which are communicated with the inner container and the outside, a filtering channel communicated with the air inlet and the air outlet is arranged inside the case, and a purifier is arranged in the filtering channel; the air purification device comprises an air outlet, a fan, a power supply assembly and an air purification device, wherein the fan is arranged at the air outlet, the power supply assembly is electrically connected with the fan and arranged inside the case, and the air purification device further comprises a power-off early warning mechanism electrically connected with the power supply assembly.

2. The air cleaning apparatus for a nuclear power plant according to claim 1, characterized in that: the outage early warning mechanism includes controller, opens and stops switch and warning subassembly, open and stop the switch with warning subassembly all with controller electric connection.

3. The air cleaning apparatus for a nuclear power plant according to claim 2, characterized in that: the warning assembly comprises a warning lamp group and/or a warning horn which are electrically connected with the controller.

4. The air cleaning apparatus for a nuclear power plant according to claim 2, characterized in that: the power failure early warning mechanism further comprises a rechargeable battery electrically connected with the controller.

5. The air cleaning apparatus for a nuclear power plant according to claim 2, characterized in that: the air purification device further comprises a fixing component which is used for being fixedly connected with the power-off early warning mechanism, and the fixing component comprises a first magnetic attraction piece arranged on the outer wall of the case and a second magnetic attraction piece arranged on the power-off early warning mechanism.

6. The air cleaning apparatus for a nuclear power plant according to claim 1, characterized in that: the purifier comprises a filtering part and an adsorption part, and the air inlet, the filtering part, the adsorption part and the air outlet are sequentially arranged along the extending direction of the filtering channel.

7. The air cleaning apparatus for a nuclear power plant according to claim 6, characterized in that: the air inlet of the fan, the windward side of the filtering component and the windward side of the adsorption component are coaxially arranged, and the axial direction of the air inlet is perpendicular to the axial direction of the windward sides of the filtering component and the adsorption component.

8. The air cleaning apparatus for a nuclear power plant according to claim 6, characterized in that: the first mounting assembly is used for mounting the filtering component and comprises a pressing piece and a limiting buckle used for limiting the displacement of the filtering component.

9. The air cleaning apparatus for a nuclear power plant according to claim 8, wherein: the lateral wall of machine case is seted up the intercommunication inner bag and external just are used for changing filtering component's first material changing mouth, machine case is located first material changing flap is equipped with first sealed apron.

10. The air cleaning apparatus for a nuclear power plant according to claim 6, characterized in that: the inside of machine case is provided with and is used for installing the second installation component of adsorption element, the second installation component includes top piece and is used for restricting the spacing guide rail of adsorption element displacement.

11. The air cleaning apparatus for a nuclear power plant according to claim 10, wherein: the lateral wall of the case is provided with a second material changing port which is communicated with the inner container and the outside and is used for replacing the adsorption part, and the case is positioned on the second material changing port cover and is provided with a second sealing cover plate.

12. The air cleaning apparatus for a nuclear power plant according to claim 1, characterized in that: the power supply assembly comprises a distribution box, a storage battery and an external power line, wherein the storage battery is electrically connected with the distribution box, and the external power line is electrically connected with the storage battery.

13. The air cleaning apparatus for a nuclear power plant according to claim 1, characterized in that: the case is located at the air outlet and is provided with an external connection part for connecting an air pipe externally.

14. The air cleaning apparatus for a nuclear power plant according to claim 1, characterized in that: the bottom of the case is provided with a moving assembly, the moving assembly comprises a plurality of universal wheels which are uniformly distributed along the circumferential direction of the bottom surface of the case, and braking parts are arranged on the universal wheels.

15. The air cleaning apparatus for a nuclear power plant according to claim 1, characterized in that: the outer surface of the case is provided with lifting lugs and fork holes, and the side wall of the case is provided with handles.