Air conditioner air supply and return system for central control room of power plant

Abstract

The utility model discloses an air conditioner air supply and return system for a central control room of a power plant, which comprises an air processing module and a digital wall arranged on the front side of the central control room, and an air outlet communicated with the air outlet end of the air processing module is formed in the position, close to a suspended ceiling, of the digital wall. And a first return air inlet communicated with the air inlet of the air treatment module is formed in the position, close to the ground, of the digital wall. The air return and supply device is arranged in the closed space behind the digital wall of the central control room, so that the main ceiling area of the central control room in the traditional layout is fundamentally prevented from being occupied, the space height required by the ceiling is greatly reduced, the indoor space sense and the permeability of the central control room are remarkably improved, and the air return and supply device is suitable for popularization and application. The air outlet and the first return air inlet are formed in the upper side and the lower side of the digital wall respectively, airflow is evenly sent out from the side face of the upper portion, a stable and ordered backflow area is formed in a working area, and compared with other traditional forms, the digital wall has the remarkable advantage in the aspect of improving the comfort level of workers.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning ventilation technical field, concretely relates to a kind of air conditioning air supply and return system for power plant control room. BACKGROUND

[0002] As the nerve center of the entire power generation system, the control room of power plant is comparable to the "wisdom brain" of power plant, and is the core place where operation personnel centrally monitor and operate generator unit. Many displays, computers and control cabinets and other key equipment are intensively arranged in the room. Since the safe and stable operation of equipment in the control room is crucial to the overall operation of power plant, relevant design specifications have put forward very strict requirements for the environmental conditions of the control room. Specifically, in summer, the temperature of the control room needs to be controlled within the range of 26±2℃, and the humidity needs to be maintained within the range of 40%~65%; while in winter, the temperature needs to be maintained at 20±2℃, and the humidity also needs to be controlled within the suitable range of 40%~65%, so as to ensure that the internal equipment of the control room can continuously, stably and efficiently operate.

[0003] The control room of power plant usually sets air handling unit to process air in the control room. The conventional air conditioning system usually arranges air supply and return ducts in the suspended ceiling area of the control room. The suspended ceiling not only needs to accommodate air conditioning ducts, but also needs to consider smoke exhaust ducts, fire fighting pipelines and lighting electrical bridges and other facilities, which often leads to a space of more than 1 meter required for the suspended ceiling, seriously occupying the vertical space of the control room, and further adversely affecting the comfort of the working environment of operation personnel. In addition, the conventional air conditioning system usually adopts the air flow organization form of up-supply and up-return, which greatly affects the comfort experience of personnel in the office area.

[0004] Therefore, the utility model provides an air conditioning air supply and return system for power plant control room. UTILITY MODEL CONTENTS

[0005] The utility model provides an air conditioning air supply and return system for power plant control room, which has a more reasonable layout, can significantly increase the vertical space of the control room, and ensure more comfortable operation.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme: an air conditioning air supply and return system for power plant control room, comprising an air handling module and a digital wall arranged at the front side of the control room, and an air outlet is formed in the position of the digital wall close to the suspended ceiling and communicates with the air outlet end of the air handling module, and a first return air inlet is formed in the position of the digital wall close to the ground and communicates with the air inlet of the air handling module.

[0007] Further, the air handling module comprises two combined air handling units arranged in parallel.

[0008] Further, the air treatment module is communicated with the air outlet through a supply air pipe and communicated with the first return air outlet through a return air pipe, and the supply air pipe and the return air pipe are provided with a thermal insulation material protective layer.

[0009] Further, a second return air outlet is further arranged between the first return air outlet and the return air pipe, and the second return air outlet is arranged at the position of the air outlet.

[0010] Further, a single-layer shutter is arranged at the position of the second return air outlet and the first return air outlet, and a double-layer shutter is arranged at the air outlet.

[0011] Further, the double-layer shutter comprises a frame, a horizontal shutter group arranged in the frame and close to the outer side, a vertical shutter group arranged in the frame and close to the inner side, and a water baffle arranged at the bottom of the outer side of the frame.

[0012] Further, the water baffle is inclined to the bottom of the frame, and a first through groove for draining water is arranged at the position corresponding to the connection position of the frame and the water baffle.

[0013] Further, a water collecting groove is arranged at the position corresponding to the horizontal shutter group and the vertical shutter group of the frame, and a second through groove is arranged at the position corresponding to the water collecting groove of the frame, and the first through groove and the second through groove can be drained through a water pipe.

[0014] Further, the horizontal shutter group comprises at least a plurality of horizontal shutters and a plurality of first gears, the horizontal shutters are arranged at intervals in the vertical direction, the plurality of first gears are arranged at two ends of the plurality of horizontal shutters respectively, at least one first gear rack is arranged on each side of the frame in the vertical direction, each horizontal shutter is rotationally connected with the frame, and the first gear corresponding to each horizontal shutter is engaged with two first gear racks respectively.

[0015] Further, the vertical shutter group comprises at least an adjusting block, a plurality of vertical shutters and a plurality of second gears, the vertical shutters are arranged at intervals in the horizontal direction, the plurality of second gears are arranged at two ends of the plurality of vertical shutters respectively, at least one second gear rack is arranged on each side of the frame in the horizontal direction, each vertical shutter is rotationally connected with the frame, the second gear corresponding to each vertical shutter is engaged with two second gear racks respectively, the adjusting block is arranged on the frame, and the adjusting block is connected with the second gear rack and slidably matched with the frame in the horizontal direction.

[0016] The beneficial effects of the utility model lie in:

[0017] The air conditioning return air supply system for the power plant control room cleverly arranges the return air supply in the closed space behind the digital wall of the control room, fundamentally avoids the occupation of the main ceiling area of the control room in the traditional layout, greatly reduces the overall space height required by the ceiling, and significantly improves the indoor space feeling and permeability of the control room, the air outlet and the first return air outlet are respectively arranged on the upper and lower sides of the digital wall, the airflow is uniformly supplied from the upper side, a stable and orderly backflow area is formed in the working area, and compared with other traditional forms, significant advantages are shown in improving the comfort of the staff. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic view of an air conditioning return air supply system for a power plant control room of the utility model;

[0019] Figure 2 is a front view of a double-layer shutter structure of the utility model;

[0020] Figure 3 is a partial side view of the double-layer shutter structure of the utility model;

[0021] Figure 4 Figure 3 is an enlarged view of A of the utility model;

[0022] Figure 5 Figure 3 is an enlarged sectional view of B of the utility model.

[0023] The marks of components in the drawings are as follows: 1, digital wall; 101, air outlet; 102, first return air outlet; 103, second return air outlet; 2, air treatment module; 3, air supply pipe; 4, return air pipe; 5, single-layer shutter; 6, double-layer shutter; 601, frame; 6011, first through groove; 6012, water collecting groove; 6013, second through groove; 602, horizontal shutter group; 6021, horizontal shutter; 6022, first gear; 603, vertical shutter group; 6031, adjusting block; 6032, vertical shutter; 6033, second gear; 604, water baffle; 7, first rack; 8, second rack. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The embodiments in the application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Referring toFigure 1 .

[0026] The utility model is used to the air conditioning air supply and return system of power plant control room, including air treatment module 2 and the digital wall 1 of setting in control room front side, and the digital wall 1 is close to the position of furred ceiling and is set with the air outlet 101 of communicating with air treatment module 2 air outlet end, the digital wall 1 is close to the position of ground and is set with the first return air vent 102 of communicating with air treatment module 2 air inlet.

[0027] The utility model is used to the air conditioning air supply and return system of power plant control room will return air supply arrangement cleverly arrange in the rear closed space of control room digital wall 1, fundamentally avoid the encroachment of traditional layout to control room main furred ceiling area, greatly reduce the overall space height needed by furred ceiling, thereby significantly improve the indoor space feeling and the permeability of control room, the air outlet 101, the first return air vent 102 are set respectively on the upper and lower sides of digital wall 1, and the airflow is evenly sent out from the upper side, forms stable and orderly backflow area in the work area, compared with other traditional forms, shows the significant advantage in improving staff comfort;

[0028] Specifically, air treatment module 2 can be arranged at any place behind digital wall 1, furred ceiling or the like.

[0029] Specifically, digital wall 1 is a highly integrated and visual information display system, which mainly consists of multiple high-resolution electronic display screens. These electronic display screens are embedded in digital wall 1 in a splicing or fusion manner, forming a large display interface together. Digital wall 1 can display a large amount of data, images and video information, providing real-time and intuitive monitoring and management interface for the operators in the control room. In addition to the electronic display screens, the upper and lower parts of digital wall 1 are designed with wall structures connected to the control room, facilitating the arrangement of air supply and return vents. A space is provided behind digital wall 1 for housing the hardware devices and support structures of the digital wall 1 system, as well as accommodating a large amount of wiring and connection work.

[0030] In an embodiment, referring to Figure 1 , the air treatment module 2 includes two combined air treatment units arranged in parallel. This design realizes one active and one standby, greatly improving the reliability and stability of the entire system. When the active device is running, the standby device can be on standby at any time. Once the active device fails, the standby device can take over immediately, ensuring the continuous operation of the control room air conditioning system and avoiding the loss and inconvenience caused by downtime.

[0031] And in this embodiment, the combined air handling unit, usually adopts 2x100% configuration mode, its function section includes return air / fresh air mixing section, primary filter section, medium filter section, cooling / heating section, reheating section, humidification section, supply fan section and electric damper, etc. in turn, and according to the specific needs of the project, the corresponding function section can also be added or adjusted, and can be directly obtained by the prior art, here too much repetition.

[0032] In an embodiment, referring to Figure 1 , the air handling module 2 is communicated with the air outlet 101 through the supply air pipe 3 and communicated with the first return air outlet 102 through the return air pipe 4, and the supply air pipe 3 and the return air pipe 4 are provided with a thermal insulation material protective layer. This design ensures that the air temperature is constant when passing through the supply air pipe 3 and the return air pipe 4; and in this embodiment, the supply air pipe 3 and the return air pipe 4 can also be provided with a damper, a fire damper and other components.

[0033] In an embodiment, referring to Figure 1 , it also includes a second return air outlet 103 communicated between the first return air outlet 102 and the return air pipe 4, and the second return air outlet 103 is located at the position of the air outlet 101. This design allows the air flow to flow smoothly from the lower side to the closed space behind the digital wall 1, which is fully utilized and converted into an efficient return air box. Not only does it effectively eliminate the heat generated by the electronic screen behind the digital wall 1, significantly improving the microenvironment behind the digital wall 1, but also ensures that the air can flow smoothly through the return air pipe 4 back to the air handling module 2 for further processing, thereby realizing the circulation of indoor air.

[0034] In an embodiment, referring to Figure 1 , a single-layer shutter 5 is provided at the positions of the second return air outlet 103 and the first return air outlet 102, and a double-layer shutter 6 is provided at the air outlet 101. This design allows the double-layer shutter 6 to adjust the air outlet direction more flexibly, and the single-layer shutter 5 can be directly obtained by the prior art, preferably a single-layer shutter 5 that is easy to disassemble.

[0035] In an embodiment, referring to Figure 2 , 3 , the double-layer shutter 6 includes a frame 601, a horizontal shutter group 602 disposed inside the frame 601 and close to the outer side, a vertical shutter group 603 disposed inside the frame 601 and close to the inner side, and a water baffle 604 disposed at the bottom of the outer side of the frame 601. This design avoids water condensation on the horizontal shutter group 602 from falling onto the digital wall 1, and in this embodiment, a plurality of mounting holes are provided on the frame 601 for mounting.

[0036] In an embodiment, referring to Figure 3The water baffle 604 is inclined to the bottom of the frame 601, and the frame 601 is provided with a first through slot 6011 for draining water at the position corresponding to the connection position of the water baffle 604. In this way, the water collected by the water baffle 604 can be drained through the first through slot 6011, and in this embodiment, the inner bottom wall of the water baffle 604 is inclined to the first through slot 6011.

[0037] In an embodiment, referring to Figure 3 The frame 601 is provided with a water collecting groove 6012 at the position between the horizontal louver group 602 and the vertical louver group 603, and the frame 601 is provided with a second through slot 6013 at the position corresponding to the water collecting groove 6012, and the first through slot 6011 and the second through slot 6013 can be drained by a water pipe. In this way, the water condensed on the vertical louver group 603 can be collected and treated together with the water condensed on the horizontal louver group 602, and the water pipe can be led to the first return air inlet 102 and provided with a water collecting tank, which can be subsequently treated by removing the single louver window 5.

[0038] In an embodiment, referring to Figure 4 The horizontal louver group 602 includes a plurality of horizontal louvers 6021 and a plurality of first gears 6022, the horizontal louvers 6021 are arranged at intervals in the vertical direction, the first gears 6022 are arranged at both ends of the horizontal louvers 6021, at least one first gear rack 7 is arranged on each side of the frame 601 in the vertical direction, each horizontal louver 6021 is rotationally connected to the frame 601, and each first gear 6022 is engaged with two first gear racks 7. In this way, the horizontal louver group 602 can be adjusted in the wind direction by rotating the horizontal louvers 6021, and in this embodiment, the horizontal louvers 6021 are rotationally connected to the frame 601.

[0039] In an embodiment, referring to Figure 5The vertical louver group 603 comprises at least an adjusting block 6031, a plurality of vertical louvers 6032 and a plurality of second gears 6033, the vertical louvers 6032 are arranged at intervals along the horizontal direction, and the second gears 6033 are arranged at two ends of the vertical louvers 6032 respectively, at least one second gear 8 is arranged on each side of the frame 601 along the horizontal direction, each vertical louver 6032 is rotationally connected with the frame 601, and the second gears 6033 of each vertical louver 6032 are engaged with the second gears 8 respectively, the adjusting block 6031 is arranged on the frame 601, and the adjusting block 6031 is connected with the second gears 8 and is in sliding fit with the frame 601 along the horizontal direction. In this way, the wind direction of the vertical louver group 603 can be adjusted by moving the adjusting block 6031 to the micro environment behind the digital wall 1, and in this embodiment, the vertical louver 6032 and the frame 601 are in damping rotationally connected.

[0040] It should be noted that if the embodiments of the present application involve directional indications such as up, down, left, right, front, back, etc., the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture, such as shown in the drawings, if the specific posture changes, the directional indications will also change accordingly.

[0041] In addition, if the embodiments of the present application involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, "multiple" means two or more. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope of the present application.

[0042] It should be understood that the examples and embodiments described herein are only for illustration and do not limit the present application, and those skilled in the art can make various modifications or changes based on it, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An air conditioning air supply and return system for a power plant control room, characterised in that, The application relates to an air treatment module (2) and a digital wall (1) arranged in front of a control room, wherein the digital wall (1) is provided with an air outlet (101) communicating with an air outlet end of the air treatment module (2) at a position close to a ceiling, and the digital wall (1) is provided with a first air return port (102) communicating with an air inlet of the air treatment module (2) at a position close to the ground.

2. The air conditioning return air system for a power plant control room according to claim 1, wherein The air treatment module (2) comprises two combined air treatment units arranged in parallel.

3. The air conditioning return air system for a power plant control room according to claim 1, wherein The air treatment module (2) is communicated with the air outlet (101) through a supply air pipe (3) and communicated with the first air return port (102) through a return air pipe (4), and the supply air pipe (3) and the return air pipe (4) are both provided with a thermal insulation layer.

4. The air conditioning return air system for a power plant control room according to claim 3, wherein The application further discloses a second air return port (103) communicated between the first air return port (102) and the return air pipe (4), and the second air return port (103) is located at the position of the air outlet (101).

5. The air conditioning return air system for a power plant control room according to claim 4, wherein Single-layer louvers (5) are arranged at the positions of the second air return port (103) and the first air return port (102), and double-layer louvers (6) are arranged at the air outlet (101).

6. The air conditioning return air system for a power plant control room according to claim 5, wherein The double-layer louvers (6) comprise a frame (601), a horizontal louver group (602) arranged in the frame (601) and close to an outer side, a vertical louver group (603) arranged in the frame (601) and close to an inner side, and a water baffle (604) arranged at the bottom of the outer side of the frame (601).

7. The air conditioning return air system for a power plant control room according to claim 6, wherein The water baffle (604) is inclined to the bottom of the frame (601), and a first through groove (6011) for draining water is arranged on the frame (601) at a position corresponding to the connection position of the frame (601) and the water baffle (604).

8. The air conditioning return air system for a power plant control room according to claim 7, wherein A water collecting groove (6012) is arranged on the frame (601) at a position corresponding to the horizontal louver group (602) and the vertical louver group (603), and a second through groove (6013) is arranged on the frame (601) at a position corresponding to the water collecting groove (6012), and the first through groove (6011) and the second through groove (6013) can be drained through a water pipe.

9. The air conditioning return air system for a power plant control room, as recited in claim 6, wherein, The horizontal louver group (602) comprises at least a plurality of horizontal louvers (6021) arranged in a vertical direction and a plurality of first gear wheels (6022) arranged at two ends of the horizontal louvers (6021) respectively, and at least one first gear rack (7) is arranged on each side of the frame (601) in a vertical direction, each horizontal louver (6021) is rotationally connected to the frame (601), and the first gear wheels (6022) corresponding to each horizontal louver (6021) are engaged with two first gear racks (7) respectively.

10. The air conditioning return air system for a power plant control room, as recited in claim 6, wherein, The vertical louver group (603) comprises at least an adjusting block (6031), a plurality of vertical louvers (6032) and a plurality of second gears (6033), the vertical louvers (6032) are arranged at intervals along the horizontal direction, the second gears (6033) are arranged at both ends of the vertical louvers (6032) respectively, at least one second rack (8) is arranged on each side of the frame (601) along the horizontal direction, each vertical louver (6032) is rotatably connected with the frame (601), the second gears (6033) corresponding to each vertical louver (6032) are engaged with two second racks (8) respectively, the adjusting block (6031) is arranged on the frame (601), and the adjusting block (6031) is connected with the second rack (8) and is in sliding fit with the frame (601) along the horizontal direction.

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