CN116480098A - Construction method of wind shaft partition wall in fan room of civil air defense engineering in coastal buildings - Google Patents

Abstract

The invention provides a construction method of a wind well partition wall of a civil air defense engineering wind machine room of a coastal building, and relates to the technical field of civil air defense engineering wind machine room building construction. Casting a 400 mm high C30 concrete water stop ridge at the partition wall part of the air shaft between the fan house and the air outlet chamber in advance; building a partition wall of the air shaft to the bottom of the air pipe; a connecting pipeline is arranged in the fan room, one end of the air pipe is placed on the air shaft partition wall, and the other end of the air pipe is connected with the connecting pipeline by using a canvas telescopic pipe; building the wind well partition wall continuously until the wind well partition wall is finished; a steel rat-proof net is arranged at one side of an air outlet chamber at an air pipe outlet; a valve is additionally arranged at one side of a fan room of a phi 100PVC drain pipe reserved in a 400 mm high C30 concrete water stop ridge and is guided into a civil air defense engineering drain ditch of a coastal building; and a strip steel wire mesh shutter is arranged on the outer wall of the air well outside the air outlet chamber. The invention realizes finding out the horizontal accurate position of the air pipe on the air shaft partition wall; and the problem of entering and exiting the air outlet chamber is solved, so that the installation and replacement of the rat-proof net and the later cleaning in the air outlet chamber can be conveniently carried out.

Description

Construction method of wind shaft partition wall in fan room of civil air defense engineering in coastal buildings

technical field

The invention provides a construction method for an air shaft partition wall of a fan room of a civil air defense project in a coastal building, and relates to the technical field of building construction of a fan room of a civil air defense project.

Background technique

The air duct installation of the air conditioning system of coastal civil air defense projects is at the air outlet. The conventional method is: one end of the air duct is fixed on the concrete roof of coastal civil air defense engineering with a boom, and the other end is directly placed on the partition wall of the ground air shaft, and then the partition wall is constructed. As we all know, the ventilation of civil air defense projects in coastal buildings uses fans to supply and exhaust air through the air ducts and air shafts. If certain measures are not taken, mice and night birds will often enter the air ducts and affect the operation of the fans. In addition, in bad weather, rainwater will flow back into and out of the air chambers, causing leakage in the fan room and prolonged humidity affecting the service life of the connecting pipes.

In view of this, the present invention is proposed.

Contents of the invention

The technical problems to be solved by the present invention are: 1. find out the horizontal and accurate position of the air duct on the partition wall of the air shaft;

In order to solve the above-mentioned technical problems, the inventor draws the technical solution of the present invention through practice and summarization, and the present invention discloses that in order to solve the above-mentioned technical problems, the basic idea of the technical solution adopted by the present invention is:

The construction method of the wind shaft partition wall of the fan room of the coastal building civil air defense project includes the following steps:

Step 1: Pour 400mm high C30 concrete water stop sill on the partition wall of the air shaft between the fan room and the air outlet room in advance;

Step 2: After the strength of the 400mm high C30 concrete water stop reaches the standard, build the partition wall of the air shaft to the bottom of the air pipe;

Step 3: Install the connecting pipe in the fan room, place one end of the air pipe on the partition wall of the wind shaft, and connect the other end to the connecting pipe with a canvas telescopic tube;

Step 4: Continue to build the wind shaft partition wall until the end;

Step 5: On the side of the air outlet chamber at the outlet of the air duct, use expansion bolts to install steel anti-rat nets on the partition wall of the air shaft;

Step 6: Install a valve on the side of the Φ100PVC drainage pipe fan room reserved in the 400mm high C30 concrete water stop, and guide it to the drainage ditch of the coastal building civil air defense project, and install a drainage grate on the side of the air outlet room;

Step 7: Install louvers with wire mesh on the outer wall of the air shaft outside the air outlet chamber.

The present invention is aimed at the completion of the air shaft partition wall of the fan room of the existing conventional coastal civil air defense engineering, which may easily cause mice and night birds to drill into the air duct and affect the operation of the fan. In bad weather, rainwater will pour into and out of the air room, causing leakage of the fan room and long-term humidity. Drainage pipes are installed at the bottom of the partition wall to eliminate the phenomenon of long-term water accumulation in the air outlet chamber in bad weather, and ensure the long-term safe and effective operation of the fans in civil air defense projects in coastal buildings. The present invention is provided with air outlet chamber, and there is movable space.

In a further technical solution, an exhaust fan is installed in the air duct, a fixing plate is installed in the connecting duct, a motor is installed on the fixing plate, and the output end of the motor is suitable for driving the exhaust fan;

The canvas expansion tube is suitable for detachable connection between the connecting pipe and the air duct.

In a further technical solution, a hanger is installed outside the connecting pipe, and the top of the hanger is fixed to the top of the fan room;

A channel steel frame is installed at the bottom of the hanger, and the bottom of the hanger passes through the channel steel frame and is locked with a locking nut at the bottom.

In a further technical solution, a bottom body is installed at the bottom of the air duct, and a volume cavity is provided in the bottom body, and the volume cavity communicates with the air duct;

A filter screen is installed at the connection between the volume cavity and the air pipe, and a lower pipe is installed at the bottom of the bottom body. The bottom of the lower pipe is provided with an interface 1, and the top of the Φ100 PVC drainage pipe is equipped with an interface 2, and the interface 1 and the interface 2 are suitable for connection.

In a further technical solution, the second interface is located on the side of the valve on the Φ100 PVC drain pipe away from the drain grate.

In a further technical solution, in step 2, the air shaft partition wall is built to the bottom of the air duct, the frame plate is installed on the air shaft partition wall, the air duct is positioned and installed in the frame plate, and then the masonry is continued to the top of the fan room.

In a further technical solution, the frame board includes side boards, four groups of side boards are installed in a rectangular shape, and right-angled clamping block sleeves are installed at the joints of two adjacent groups of side boards, and adjacent side boards are suitable for being installed in the clamping block sleeves and locked;

A telescopic rod is detachably installed on the sideboard, and a positioning piece is installed on the end of the telescopic rod away from the sideboard.

In a further technical solution, the positioning pieces are provided with four groups suitable for positioning and adhering to the four sides of the air duct.

Beneficial effect:

The invention adopts measures such as adding anti-rodent nets on the outside of the partition wall at the outlet of the air duct, adding drain pipes at the bottom of the partition wall between the fan room and the air outlet room, and setting louvers with steel wire mesh on the outer wall of the air outlet, so as to ensure that no rats and nocturnal birds intrude into the air duct and no long-term water accumulation in the air outlet room, and achieve the goal of long-term safe and effective operation of fans in civil air defense projects in coastal buildings.

Under the dual protection of adding rodent-proof nets at the outlet of the air duct and setting louvers with steel wire mesh on the outer wall of the air outlet, the possibility of any small animals entering the fan is eliminated. The bottom of the partition wall is equipped with a drainage pipe to guide the accumulated water purposefully, ensuring the dryness of the fan room in the coastal civil air defense project, ensuring the long-term safe and effective operation of the connecting pipes of the air pipes, and achieving the goal of reducing frequent replacement and maintenance of connecting pipes in the later operation process. The economic effect is remarkable.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or prior art. Obviously, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative work.

Fig. 1 is the installation sectional view of the fan house of embodiment 1 of the present invention;

Fig. 2 is a partial sectional view of the connecting duct and the air duct of the present invention;

Fig. 3 is the partial cross-sectional view of connecting duct, air duct, bottom body of embodiment 2 of the present invention;

Fig. 4 is the schematic diagram of embodiment 3 of the present invention;

Fig. 5 is a side view of an air shaft partition wall according to Embodiment 3 of the present invention.

In the figure: 1. Fan room; 2. Air shaft partition wall; 3. 400mm high C30 concrete water-stop sill; 4. Air duct; 5. Air shaft outer wall;

16. exhaust fan; 17. motor; 18. fixed plate; 19. hanger; 20. channel steel frame; 21. bottom body; 22. lower pipe;

Detailed ways

In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

The application principle of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Example 1

As shown in Fig. 1 to Fig. 2, it is a kind of embodiment of the present invention, and the construction method of wind shaft partition wall of fan room of coastal building civil air defense project comprises the following steps:

Step 1: Pour 400mm high C30 concrete water stop sill 3 at the wind shaft partition wall 2 between the fan room 1 and the air outlet room 15 in advance;

Step 2: After the strength of the 400mm high C30 concrete water stop sill 3 reaches the standard, build the air shaft partition wall 2 to the bottom of the air duct 4;

Step 3: Install the connecting pipe 13 in the fan room 1, place one end of the air pipe 4 on the wind shaft partition wall 2, and connect the other end to the connecting pipe 13 with a canvas telescopic pipe 14;

Step 4: Continue to build the wind shaft partition wall 2 until the end;

Step 5: On the side of the air outlet chamber 15 at the outlet of the air duct 4, use the expansion bolt 12 to install the steel anti-rat net 11 on the air shaft partition wall 2;

Step 6: Install a valve 10 on one side of the Φ100 PVC drainage pipe 8 reserved in the 400mm high C30 concrete water stop 3, and guide it to the drainage ditch 7 of the coastal civil air defense project, and install a drainage grate 9 on the side of the air outlet chamber 15;

Step 7: Install the shutters 6 with wire mesh on the outer wall 5 of the air shaft outside the air outlet chamber 15 .

In a further technical solution, an exhaust fan 16 is installed in the air duct 4, a fixed plate 18 is installed in the connecting duct 13, a motor 17 is installed on the fixed plate 18, and the output end of the motor 17 is suitable for driving the exhaust fan 16; the canvas telescopic tube 14 is suitable for detachable connection between the connecting duct 13 and the air duct 4. A hanger 19 is installed outside the connecting pipe 13, and the top of the hanger 19 is fixed to the top of the fan room 1; the bottom of the hanger 19 is equipped with a channel steel frame 20, and the bottom of the hanger 19 passes through the channel steel frame 20 and is locked with a lock nut at the bottom.

Example 2

As shown in Figure 3, be another kind of embodiment of the present invention, on the basis of embodiment 1, further in order to discharge possible splash, need to be discharged to coastal building civil air defense engineering gutter 7 in time, the bottom of described air duct 4 is equipped with bottom body 21, is provided with volume chamber in described bottom body 21, and described volume chamber communicates with air pipe 4;

A filter screen is installed at the connection between the volume chamber and the air pipe 4, and the bottom of the filter screen is a guide slot opening, which is suitable for draining water downwards and has a distance from the exhaust fan as much as possible. The bottom of the bottom body 21 is equipped with a lower pipe 22, and the bottom of the lower pipe 22 is provided with an interface one. The top of the Φ100 PVC drain pipe 8 is equipped with an interface two 23, and the interface one and the interface two 23 are suitable for being connected. The second interface 23 is located on the side of the valve 10 away from the drain grate 9 on the Φ100 PVC drain pipe 8 .

Example 3

As shown in Figures 4 and 5, it is another embodiment of the present invention. On the basis of Example 1, in a further technical solution, in step 2, build the air shaft partition wall 2 to the bottom of the air duct 4, install a frame plate on the air shaft partition wall 2, position and install the air duct 4 in the frame plate, and then continue to build to the top of the fan room 1.

As shown in Fig. 5, described frame plate comprises edge plate 24, and edge plate 24 is provided with four groups and is installed as a rectangle, and the joint of adjacent two groups of edge plates 24 is provided with clamp cover 25 of right-angle shape, and adjacent limit plate 24 is suitable for being installed in clamp block cover 25 and locks; Described edge plate 24 is detachably equipped with telescopic rod 26, and the end of described telescopic rod 26 away from edge plate 24 is equipped with positioning piece 27. The positioning pieces 27 are provided with four groups suitable for positioning and adhering to the four sides of the air duct 4 .

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, no matter from which point of view, all the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so all changes within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention.

In addition, it should be understood that although this description is described according to implementation modes, not each implementation mode only includes an independent technical solution. This description in the description is only for the sake of clarity. Those skilled in the art should take the description as a whole, and the technical solutions in the various embodiments can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims (8)

1. The construction method of the wind shaft partition wall of the civil air defense engineering wind machine room of the coastal building is characterized by comprising the following steps:

step one: casting a 400 mm high C30 concrete water stop ridge (3) at the position of a wind well partition wall (2) between a fan room (1) and an air outlet chamber (15) in advance;

step two: after the strength of the C30 concrete water stop ridge (3) with the height of 400 mm reaches the standard, building the air well partition wall (2) to the bottom of the air pipe (4);

step three: a connecting pipeline (13) is arranged in the fan room (1), one end of the air pipe (4) is placed on the air shaft partition wall (2), and the other end is connected with the connecting pipeline (13) by a canvas extension pipe (14);

step four: building the air well partition wall (2) continuously until the air well partition wall is finished;

step five: a steel rat-proof net (11) is arranged on one side of an air outlet chamber (15) at the outlet of the air pipe (4) by using expansion bolts (12) on the air well partition wall (2);

step six: a valve (10) is additionally arranged on one side of a fan room (1) of a phi 100PVC drain pipe (8) reserved in a concrete water stop ridge (3) with the height of 400 mm and is guided into a civil air defense engineering drainage ditch (7) of a coastal building, and a drainage grate (9) is arranged on one side of an air outlet chamber (15);

step seven: a strip steel wire mesh shutter (6) is arranged on the outer wall (5) of the air well outside the air outlet chamber (15).

2. The construction method of the wind well partition wall of the civil air defense engineering wind turbine room of the coastal building according to claim 1, wherein an exhaust fan (16) is installed in the wind pipe (4), a fixed plate (18) is installed in the connecting pipeline (13), a motor (17) is installed on the fixed plate (18), and the output end of the motor (17) is suitable for driving the exhaust fan (16);

the canvas extension (14) is adapted to be detachably connected between the connecting duct (13) and the air duct (4).

3. The construction method of the wind well partition wall of the civil air defense engineering wind turbine room of the coastal building according to claim 1 is characterized in that a hanging bracket (19) is arranged outside the connecting pipeline (13), and the top of the hanging bracket (19) is fixed with the top of the wind turbine room (1);

the bottom of gallows (19) is installed slotted steel frame (20), the bottom of gallows (19) passes slotted steel frame (20) and installs lock nut locking in the bottom.

4. The construction method of the wind well partition wall of the civil air defense engineering wind machine room of the coastal building according to claim 1, wherein the bottom of the wind pipe (4) is provided with a bottom body (21), a volume cavity is arranged in the bottom body (21), and the volume cavity is communicated with the wind pipe (4);

the filter screen is installed at the joint of the volume cavity and the air pipe (4), a lower pipeline (22) is installed at the bottom of the bottom body (21), a first connector is arranged at the bottom of the lower pipeline (22), a second connector (23) is installed at the top of the phi 100PVC drain pipe (8), and the first connector is suitable for being connected with the second connector (23).

5. The construction method of the wind well partition wall of the civil air defense engineering wind turbine room of the coastal building according to claim 4, wherein the second connector (23) is positioned on one side of the valve (10) on the phi 100PVC drain pipe (8) far away from the drain grate (9).

6. The construction method of the wind well partition wall of the civil air defense engineering wind turbine room of the coastal building according to claim 1, wherein in the second step, the wind well partition wall (2) is built to the bottom of the wind pipe (4), a frame plate is arranged on the wind well partition wall (2), the wind pipe (4) is positioned and arranged in the frame plate, and then the building is continued to the top of the wind turbine room (1).

7. The construction method of the wind well partition wall of the civil air defense engineering wind machine room of the coastal building according to claim 1, wherein the frame plate comprises side line plates (24), the side line plates (24) are provided with four groups and are installed in a rectangular shape, a right-angle-shaped clamping block sleeve (25) is installed at the joint of the side line plates (24) of two adjacent groups, and the adjacent side line plates (24) are suitable for being installed in the clamping block sleeve (25) and locked;

the side line plate (24) is detachably provided with a telescopic rod (26), and one end, far away from the side line plate (24), of the telescopic rod (26) is provided with a locating plate (27).

8. The construction method of the wind well partition wall of the civil air defense engineering wind machine room of the coastal building according to claim 7, wherein the positioning sheet (27) is provided with four groups which are suitable for positioning and jointing on four sides of the wind pipe (4).