CN115355575A - Terminal active cold beam device for nuclear power plant - Google Patents
Terminal active cold beam device for nuclear power plant Download PDFInfo
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- CN115355575A CN115355575A CN202210839855.8A CN202210839855A CN115355575A CN 115355575 A CN115355575 A CN 115355575A CN 202210839855 A CN202210839855 A CN 202210839855A CN 115355575 A CN115355575 A CN 115355575A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/32—Supports for air-conditioning, air-humidification or ventilation units
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/02—Arrangements of auxiliary equipment
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/04—Pumping arrangements
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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
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Abstract
The invention discloses a tail end active type chilled beam device for a nuclear power plant, which comprises a compressed air storage tank, a heat pipe, a cold accumulation device, an air return grille, a nozzle and an air supply outlet, wherein the compressed air storage tank is connected with the heat pipe; after compressed air in the compressed air storage tank is released through the nozzle, indoor air is cooled at the evaporation end of the heat pipe, mixed with the compressed air and then sent into the main control room through the air supply outlet to cool main control room equipment, so that fresh cold air is provided for a personnel working area of the main control room, and the cooling and fresh air supply functions of the main control room are completed; the cold accumulation device is used as a final heat trap of the main control chamber under the whole plant power-off working condition, and heat in the main control chamber is transferred into the cold accumulation device through the heat pipe; the compressed air is used as a power source of the chilled beam, so that fresh air for breathing of people is provided for the main control room, the indoor positive pressure function is ensured, and the cooling function of the main control room is realized; the device has the advantages of simple structure, lower cost and more flexible installation and application modes.
Description
Technical Field
The invention belongs to the technical field of ventilation and air conditioning of nuclear power plants, and particularly relates to a tail end active type cold beam device capable of ensuring the required environmental conditions of a master control room under the working condition of power failure of a whole plant.
Background
The realization of the cooling function in the existing habitable system of the main control room of the nuclear power plant is mainly divided into an active part and a passive part, wherein the air conditioning system of the Hualong I main control room is an active air conditioning system of the main control room, and the air conditioning system of the main control room is empty under the whole plant outage working conditionFailure of the tuning system, loss of ventilation, master control room temperature and CO 2 The concentration has an overproof risk;
the AP1000 pile type main control room emergency habitability system adopts a concrete structure to store cold and adopts pre-embedded steel fins to exchange heat so as to realize a cooling function. In order to store cold energy, the indoor design temperature of the main control room is lower under normal working conditions, and the comfort and the energy conservation of personnel are poorer. The steel fins have lower convection heat exchange coefficient, a large number of steel fins are required to be arranged on the ceiling for meeting the heat exchange quantity, the manufacturing cost is higher, and the decoration of the main control room is influenced and the appearance effect is not good because the large number of steel fins are pre-embedded on the ceiling. A compressed air storage tank and a compressed air distribution pipe network are adopted to provide fresh air for a main control room after an accident, and an ejector is used for ejecting indoor return air to perform airflow organization; the ejector has a complex structure and high manufacturing cost, and special silencing equipment needs to be configured.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention aims to provide the tail end active chilled beam device for the nuclear power plant, which has the advantages of low cost, simple structure and good appearance effect, ensures the environmental comfort of the master control room under the normal working condition, ensures the air circulation, positive pressure and cooling functions in the master control room under the power-off working condition, and improves the convective heat transfer coefficient of the tail end heat exchanger of the air conditioning system.
In order to achieve the purpose, the invention adopts the following technical scheme: a tail end active type cold beam device for a nuclear power plant comprises a compressed air storage tank, a heat pipe, a cold accumulation device, an air return grille, a nozzle and an air supply outlet; the compressed air storage tank and the heat pipe are positioned at the top of the main control chamber; the compressed air storage tank, the heat pipe and the cold accumulation device are communicated; the return air grille is positioned below the evaporation ends of the heat pipes or between the evaporation ends of the adjacent heat pipes; the nozzle is positioned between the compressed air storage tank and the evaporation end of the heat pipe; the air supply outlet is positioned on the outer side of the evaporation end of the heat pipe; the condensation end of the heat pipe is connected with the cold accumulation device.
Furthermore, the air supply outlet is provided with guide vanes.
Furthermore, the heat pipe is one or more of a separated heat pipe, an integral heat pipe and a cold storage type finned tube.
Further, the separated heat pipe is positioned in the suspended ceiling layer of the main control room; the return air grille is positioned below the evaporation end of the separated heat pipe; the nozzle is positioned between the compressed air storage tank and the evaporation end of the separated heat pipe; the air supply outlet is positioned on the outer side of the evaporation end of the separated heat pipe on the suspended top layer of the main control chamber; the separated heat pipe condensation end is connected with the cold accumulation device.
Furthermore, a condensate tray is arranged at the bottom of the evaporation end of the separated heat pipe and is positioned between the bottom of the evaporation end of the separated heat pipe and the air return grid.
Furthermore, the evaporation end of the separate heat pipe and the condensation end of the separate heat pipe are both in a copper pipe copper fin coil structure.
Furthermore, the evaporation end of the integral heat pipe is positioned below the concrete floor slab, and the condensation end of the integral heat pipe is positioned in the concrete floor slab; the return air grille is positioned between the evaporation ends of the adjacent integral heat pipes; compressed air is conveyed to the evaporation end of the integral heat pipe through the nozzle; the air supply outlets are positioned on two sides of the evaporation end of the integral heat pipe.
And one end of the anti-seismic support is connected with the anchoring plate on the concrete floor, and the other end of the anti-seismic support is fixed with the cold beam device frame through a high-strength bolt.
Furthermore, the cold storage type finned tube is formed by filling cold storage materials in the hollow finned tube; the cold accumulation type finned tube is positioned at the top of the main control chamber; the return air grille is positioned between the evaporation ends of the adjacent cold storage type finned tubes; compressed air is conveyed to the evaporation end of the cold accumulation type finned tube through the nozzle; the air supply outlets are positioned on two sides of the evaporation end of the cold storage type finned tube; the condensation end of the cold accumulation finned tube is positioned above the nozzle.
Furthermore, one end of the other anti-seismic support is connected with a top plate of the main control room, and the other end of the other anti-seismic support is connected with the cold storage type fin tube type chilled beam device.
The technical scheme of the invention has the beneficial effects that after compressed air in the compressed air storage tank is released through the nozzle, the indoor air is cooled at the evaporation end of the heat pipe, mixed with the compressed air and then sent into the main control room through the air supply port to cool the main control room equipment, so as to provide fresh cold air for the personnel working area of the main control room and complete the functions of cooling the main control room and supplying fresh air; the cold accumulation device is used as a final heat trap of the main control chamber under the whole plant power-off working condition, and heat in the main control chamber is transferred into the cold accumulation device through the heat pipe; the compressed air is used as a power source of the chilled beam, so that fresh air for breathing of personnel is provided for the main control room, the indoor positive pressure function is ensured, and the cooling function of the main control room is realized; the tail end active cold beam induces return air, so that low-temperature air supply can be realized, the size of an air pipe is reduced, and the utilization rate of a cold source is improved; and because the effect of induced return air, the supply air temperature can set up above indoor dew point temperature, and indoor air current tissue is even, and personnel's travelling comfort is strong, and the noise is lower, satisfies master control room personnel work demand. The device has the advantages of simple structure, low cost and flexible installation and application modes.
Drawings
FIG. 1 is a schematic structural diagram of a terminal active chilled beam device for a nuclear power plant with a split heat pipe according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a secondary integrated heat pipe end active chilled beam device for a nuclear power plant according to an embodiment of the present invention;
FIG. 3 is another schematic view of a structure of a secondary integrated heat pipe active end chilled beam device for a nuclear power plant according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a tail end active chilled beam device for a nuclear power plant with three cold storage type finned tubes according to an embodiment of the invention;
FIG. 5 is another schematic view of a structure of an end active chilled beam device for a nuclear power plant with three cold storage finned tubes according to an embodiment of the present invention;
FIG. 6 is a schematic view of an installation position of an end active chilled beam device for a nuclear power plant according to an embodiment of the present invention;
FIG. 7 is a schematic view of another installation location of an end active chilled beam device for a nuclear power plant in accordance with an embodiment of the present invention;
fig. 8 is a schematic view of another installation position of the end active chilled beam device for nuclear power plant according to the embodiment of the present invention.
The device comprises a compressed air storage tank 1, a nozzle 2, a separated heat pipe evaporation end 31, a separated heat pipe condensation end 32, an integral heat pipe 4, an integral heat pipe evaporation end 41, an integral heat pipe condensation end 42, a pre-buried sleeve 43, a condensed water tray 5, an air return grille 6, indoor return air 7, an air supply outlet 8, a cold accumulation device 9, a main control room ceiling layer 10, a main control room personnel work area 11, a main control room instrument control board cabinet 12, an anti-seismic support 13, a concrete floor slab 14, a hollow ribbed tube 15, a cold accumulation material 16 and a cold beam device 17.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Example one
Referring to the attached figure 1, the tail end active type chilled beam device for the nuclear power plant comprises a compressed air storage tank 1, a nozzle 2, a separated heat pipe, an air return grille 6, an air supply outlet 8 and a cold accumulation device 9; the compressed air storage tank 1 and the separated heat pipe are positioned in a main control room ceiling layer 10; the compressed air storage tank 1, the separated heat pipe and the cold accumulation device 9 are communicated; the pressure of the compressed air storage tank 1 is more than 20MPa, the separated heat pipe consists of a copper pipe and a Freon working medium, and the cold accumulation device 9 can adopt the forms of a freezing water tank, an ice tank, a Freon liquid tank, a liquid nitrogen tank and the like; the return air grille 6 is positioned below the evaporation end 31 of the separated heat pipe, the return air grille 6 is made of stainless steel or metal plastic spraying, a multi-blade air opening structure is adopted, and the angle of blades is adjustable; the nozzle 2 is positioned between the compressed air storage tank 1 and the evaporation end 31 of the separated heat pipe, and the size of the nozzle 2 ensures that compressed air enters the cold beam air supply flow channel at the air speed of more than 10m/s to form ejection negative pressure; the air supply outlet 8 is positioned on the outer side of the evaporation end 31 of the separated heat pipe on the main control room ceiling layer 10, the air inlet adopts a gradually expanding structure, the angle between the air supply direction and the ceiling plane is less than 15 degrees to form attached jet flow, and the air speed of a working area is ensured to be less than 0.2m/s; the separated heat pipe condensation end 32 is connected with the cold accumulation device 9, the separated heat pipe condensation end 32 adopts a copper pipe copper fin coil pipe structure for heat exchange, the separated heat pipe penetrates through the boundary of the cold accumulation device 9 and is sealed by a flexible rubber gasket, and the sealing performance of the connection part is ensured by utilizing the pressure of a cold accumulation working medium; the separated heat pipe evaporation end 31 adopts a copper pipe copper fin coil pipe structure for heat exchange, and a stainless steel condensed water disc 5 is arranged between the lower part of the separated heat pipe evaporation end 31 and the return air grille 6 and used for collecting condensed water formed in the cooling process and is communicated with a drain pipe to be discharged to a floor drain outside a room.
Compressed air in a compressed air storage tank 1 enters an air supply flow channel at the edge of a chilled beam device through a nozzle 2, local negative pressure is formed in the middle of the chilled beam device, indoor air 7 is induced to move upwards to pass through an air return grille 6, is cooled through a separated heat pipe evaporation end 31, is mixed with compressed air, is attached to a main control room ceiling layer 10 through an air supply opening 8 and is sent into a main control room, fresh cold air is provided for a main control room personnel working area 11, and an instrument control panel cabinet 12 of the main control room is cooled; the compressed air storage tank 1 takes high-pressure compressed air as a power source of the chilled beam device in the embodiment of the invention, not only provides fresh air for 72h breathing of not less than 5 persons for a main control room, ensures the function of positive pressure of more than 30Pa indoors, but also ensures that the temperature of a working area of the persons in the main control room is lower than 35 ℃ and the average wind speed is lower than 0.2m/s;
the cold accumulation device 9 can adopt the forms of a freezing water tank, an ice tank, a Freon liquid tank, a liquid nitrogen tank and the like, is used as a final heat trap of a main control chamber in 72 hours under the power-off working condition of a whole plant, and transfers the heat in the main control chamber into the cold accumulation device 9 through a separated heat pipe condensation end 32; if the cold accumulation device adopts an ice groove, the ice cold accumulation form can adopt a solid ice or ice crystal cold accumulation form.
The embodiment of the invention can realize low-temperature air supply, reduce the size of the air pipe and improve the utilization rate of the cold source by inducing return air through the tail end active cold beam device. And due to the effect of cold beam induced air return, the air supply temperature can be set above the indoor dew point temperature, and the dry working condition operation is kept. The wind speed of the air supply opening 8 is generally less than 0.25m/s, and the standard requirement is met. And the indoor air current organization is even, and personnel's travelling comfort is strong, and export noise is less than 35dB (A), satisfies master control room personnel work demand. The tail end active type cold beam device provided by the embodiment of the invention can be matched with a suspended ceiling, can be installed by combining a lamp, spraying and the like, can also be freely suspended and installed, and is more flexible in application mode.
Example two
Referring to the attached drawings 2 and 3, the tail end active type chilled beam device for the nuclear power plant adopting the integral heat pipe comprises a nozzle 2, the integral heat pipe 4, an air return grille 6, an air supply outlet 8 and a concrete floor 14; the integral heat pipe can be in a pipe type or plate type, the material is copper, stainless steel or aluminum alloy, the working medium is water or Freon, the evaporation end 41 of the integral heat pipe is positioned in the cold beam below the concrete floor slab 14, and the condensation end 42 of the integral heat pipe is positioned in the concrete floor slab 14, so that efficient heat exchange between indoor air and the concrete floor slab 14 is established; the surface of the evaporation end 41 of the integral heat pipe is provided with a heat exchange enhancement measure which can be a copper fin or a raised short rod; the integral heat pipe condensation end 42 is arranged in the concrete floor 14 through the embedded sleeve 43, so that the cold beam is integrally installed and disassembled; the return air grille 6 is positioned below the middle part of the chilled beam and is used for sucking indoor return air; compressed air enters the air supply flow channel through the nozzle 2 along the edges of the two sides of the chilled beam, forms local negative pressure in the middle of the chilled beam through injection, induces the indoor return air 7 to move upwards to pass through the return air grille 6, cools the evaporation end 41 of the integral heat pipe, then mixes with the compressed air and sends the mixture into the main control room through the air supply outlet 8; in the embodiment of the invention, the cold accumulation amount of the concrete floor slab 14 under the normal operation working condition is used as a final heat sink of the main control room, the room temperature is kept lower than 25 ℃ through the air conditioning system under the normal operation working condition, and the integral heat pipe 4 carries out automatic cold accumulation on the concrete floor slab 14 through metal heat conduction; when the air conditioning system is power-off and is shut down, the integral heat pipe 4 transfers the heat dissipating capacity in the main control room to the final hot-trap concrete floor 14 through working medium phase change circulation, and the temperature of the main control room is guaranteed not to exceed 35 ℃ under the power-off working condition of the whole plant. Compressed air enters the cold beam to induce indoor return air 7 to be mixed with air supply through the evaporation end 41 of the integral heat pipe, the induction ratio can reach 1.
Preferably, the chilled beam is installed below the concrete floor 14 through an anti-seismic support 13, the anti-seismic support 13 is of a steel structure consisting of angle steel, channel steel, I-shaped steel or square steel, one end of the anti-seismic support is connected with an anchoring plate on the concrete floor 14, and the other end of the anti-seismic support is fixed with the chilled beam frame through a high-strength bolt, so that the chilled beam device is guaranteed to keep stable functionality after a safe shutdown earthquake.
Preferably, a fixed or adjustable guide vane is arranged on the air supply outlet 8; the direction of the air supply airflow is adjusted as required, and the comfort of workers in the master control room is improved.
EXAMPLE III
Referring to the attached figures 4 and 5, the tail end active type cold beam device for the nuclear power plant adopting the cold storage type finned tube is arranged at the top of a main control chamber and comprises a nozzle 2, a hollow ribbed tube 15, an air return grille 6 and an air supply outlet 8; the hollow ribbed tubes 15 are filled with cold storage materials 16 to form cold storage finned tubes; compressed air released by the nozzle 2 is mixed with indoor return air 7 of a return air grille 6 at the evaporation end of the cold storage type finned tube and then is transmitted to a main control room through an air supply outlet 8; the cold storage material can adopt paraffin with the melting point of 30-35 ℃. The device is suitable for rooms with short-time peak loads after accidents, and the peak loads can be eliminated in a short time by using cold energy released by phase change of cold storage materials in the cold beam. Under normal working conditions, when the temperature of the main control chamber is lower than 30 ℃, the cold storage material keeps a solid state; when the room temperature exceeds the melting point of the cold storage material within 2h after the power failure of the whole plant, the material is subjected to phase change to absorb the heat dissipation of the room, so that the room temperature is reduced; compressed air is used as a power source of the chilled beam, indoor return air 7 is induced to pass through the cold storage finned tube, the cooled return air is mixed with the compressed air 2 and is sent into a room through the air supply outlet 8, and the cooling function of the main control room is achieved.
Preferably, the system further comprises an anti-seismic support 13, wherein one end of the anti-seismic support 13 is connected with a top plate of the main control room, and the other end of the anti-seismic support 13 is connected with the chilled beam device in the embodiment of the invention.
The tail-end type active chilled beam device 17 of the first, second and third embodiments of the invention can be used in a nuclear power plant alone or in combination, so that the cooling capacity of the passive hot trap and the comfort of the working personnel in the main control room under the emergency working condition are improved.
Referring to the attached drawings 6, 7 and 8, the terminal type active chilled beam device 17 in the first, second and third embodiments of the invention is arranged in the master control room personnel working area 11, avoids the position right above a disk cabinet, namely a large screen, can be flexibly arranged by combining arrangement conditions of lighting lamps, spraying and the like, ensures the integrity of decoration, has a good appearance effect, and can adjust the indoor air flow organization form by adjusting the guide vanes of the air outlet, thereby improving the comfort of personnel in the master control room.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.
Claims (9)
1. The utility model provides a nuclear power plant is with active cold beam device of end, characterized by: comprises a compressed air storage tank (1), a heat pipe, a cold accumulation device (9), an air return grille (6), a nozzle (2) and an air supply outlet (8); the compressed air storage tank (1) and the heat pipe are positioned at the top of the main control chamber; the compressed air storage tank (1), the heat pipe and the cold accumulation device (9) are communicated; the return air grille (6) is positioned below the evaporation ends of the heat pipes or between the evaporation ends of the adjacent heat pipes; the nozzle (2) is positioned between the compressed air storage tank (1) and the evaporation end of the heat pipe; the air supply outlet (8) is positioned on the outer side of the evaporation end of the heat pipe; the condensation end of the heat pipe is connected with the cold accumulation device (9).
2. The active end chilled beam device for nuclear power plants of claim 1, wherein: and guide vanes are arranged on the air supply outlet (8).
3. The active end chilled beam device for nuclear power plants of claim 1, wherein: the heat pipe is a separated heat pipe; the compressed air storage tank (1) and the separated heat pipe are positioned in a main control room ceiling layer (10); the compressed air storage tank (1), the separated heat pipe and the cold accumulation device (9) are communicated; the return air grille (6) is positioned below the evaporation end (31) of the separated heat pipe; the nozzle (2) is positioned between the compressed air storage tank (1) and the evaporation end (31) of the separated heat pipe; the air supply outlet (8) is positioned on the outer side of the separated heat pipe evaporation end (31) on the main control room ceiling layer (10); the separated heat pipe condensation end (32) is connected with the cold accumulation device (9).
4. The active end chilled beam assembly of claim 3, wherein: the bottom of disconnect-type heat pipe evaporating end (31) is equipped with condensate water dish (5), condensate water dish (5) are located between the bottom of disconnect-type heat pipe evaporating end (31) and return air grid (6).
5. The active end chilled beam assembly of claim 3, wherein: the evaporation end (31) of the separated heat pipe and the condensation end (32) of the separated heat pipe are both in a copper pipe copper fin coil structure.
6. The active end chilled beam assembly of claim 1, wherein: the heat pipe is an integral heat pipe (4); the integral heat pipe evaporation end (41) is positioned below the concrete floor (14), and the integral heat pipe condensation end (42) is positioned in the concrete floor (14); the return air grille (6) is positioned between the adjacent evaporation ends (41) of the integral heat pipes; compressed air is conveyed to the evaporation end (41) of the integral heat pipe through the nozzle (2); the air supply outlets (8) are positioned on two sides of the evaporation end (41) of the integral heat pipe.
7. The active end chilled beam assembly of claim 6, wherein: the anti-seismic concrete floor slab device is characterized by further comprising an anti-seismic support (13), wherein one end of the anti-seismic support (13) is connected with the anchoring plate on the concrete floor slab (14), and the other end of the anti-seismic support (13) is fixed with the cold beam device frame through a high-strength bolt.
8. The active end chilled beam assembly of claim 1, wherein: the heat pipe is a cold storage finned tube formed by filling cold storage materials (16) in the hollow ribbed tube (15); the cold accumulation type finned tube is positioned at the top of the main control chamber; the return air grille (6) is positioned between the evaporation ends of the adjacent cold storage type finned tubes; compressed air is conveyed to the evaporation end of the cold accumulation type finned tube through the nozzle (2); the air supply outlets (8) are positioned on two sides of the evaporation end of the cold accumulation type finned tube; and the condensation end of the cold storage type finned tube is positioned above the nozzle (2).
9. The active end chilled beam device for nuclear power plants of claim 7, wherein: still include antidetonation support (13), master control room roof is connected to antidetonation support (13) one end, and the chilled beam device is connected to the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210839855.8A CN115355575A (en) | 2022-07-18 | 2022-07-18 | Terminal active cold beam device for nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210839855.8A CN115355575A (en) | 2022-07-18 | 2022-07-18 | Terminal active cold beam device for nuclear power plant |
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| Publication Number | Publication Date |
|---|---|
| CN115355575A true CN115355575A (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210839855.8A Pending CN115355575A (en) | 2022-07-18 | 2022-07-18 | Terminal active cold beam device for nuclear power plant |
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| Country | Link |
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| CN (1) | CN115355575A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967162A (en) * | 2012-11-09 | 2013-03-13 | 上海交通大学 | Heat storage pipe of internally provided with phase change material |
| CN114383229A (en) * | 2021-12-03 | 2022-04-22 | 中国核电工程有限公司 | Dual-purpose hollow rib plate for cold accumulation and heat exchange and room system |
| CN216409167U (en) * | 2021-10-29 | 2022-04-29 | 青岛海尔智能技术研发有限公司 | Cooling device for machine room system and machine room system |
| CN114526522A (en) * | 2022-01-21 | 2022-05-24 | 中国核电工程有限公司 | Nuclear power plant is with active emergent air conditioning equipment of master-control room non- |
-
2022
- 2022-07-18 CN CN202210839855.8A patent/CN115355575A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967162A (en) * | 2012-11-09 | 2013-03-13 | 上海交通大学 | Heat storage pipe of internally provided with phase change material |
| CN216409167U (en) * | 2021-10-29 | 2022-04-29 | 青岛海尔智能技术研发有限公司 | Cooling device for machine room system and machine room system |
| CN114383229A (en) * | 2021-12-03 | 2022-04-22 | 中国核电工程有限公司 | Dual-purpose hollow rib plate for cold accumulation and heat exchange and room system |
| CN114526522A (en) * | 2022-01-21 | 2022-05-24 | 中国核电工程有限公司 | Nuclear power plant is with active emergent air conditioning equipment of master-control room non- |
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