CN212897392U

CN212897392U - Restoration structure of building smoke evacuation well has been built

Info

Publication number: CN212897392U
Application number: CN202021426063.0U
Authority: CN
Inventors: 卢方; 朱凯宏; 章杰; 陆玲; 苏建民
Original assignee: Jiangsu Yuanhan Architectural Design Co ltd
Current assignee: Jiangsu Yuanhan Architectural Design Co ltd
Priority date: 2020-07-18
Filing date: 2020-07-18
Publication date: 2021-04-06
Anticipated expiration: 2030-07-18

Abstract

The utility model relates to a restoration structure of building well of discharging fume belongs to the well of discharging fume and restores the field, helps improving the current impaired civil engineering and discharges fume the problem that the well restoration cost is high. The civil smoke exhaust shaft comprises a civil smoke exhaust shaft, wherein an iron sheet air channel is arranged in the civil smoke exhaust shaft, and the iron sheet air channel is fixed with the civil smoke exhaust shaft after entering the civil smoke exhaust shaft. The method and the device can repair the existing damaged smoke exhaust shaft with short construction period and low cost under the conditions that the existing smoke exhaust shaft is not dismantled and rebuilt and the damaged parts on the existing civil smoke exhaust shaft are not required to be inspected one by one and repaired.

Description

Restoration structure of building smoke evacuation well has been built

Technical Field

The application relates to the field of smoke exhaust well repair, in particular to a repair structure of a built smoke exhaust well.

Background

At present, air outlet shafts of existing buildings such as medium-and high-rise civil houses, commercial buildings, industrial factory buildings and the like are all provided with roof smoke exhaust shafts, and the traditional roof smoke exhaust shafts are civil engineering smoke exhaust shafts built by bricks, stones, cement and sandy soil. After the traditional civil construction smoke exhaust shaft is used for a long time, the shaft is easy to leak smoke because the inner wall painting layer of the shaft falls off, and the standard requirement of the shaft air leakage coefficient in the field of buildings is not met.

For the civil smoke exhaust well which is built and has unqualified air leakage coefficient due to long-term use, the quantity of reconstruction projects is large by direct demolition, and the smoke leakage part of the built smoke exhaust well is repaired, so that the whole smoke leakage part is not easy to find, and the problem of large quantity of repair projects also exists. Therefore, the inventor believes that the two conventional methods for repairing the smoke exhaust shaft of the existing building are relatively expensive, and the skilled person should seek a method for repairing the smoke exhaust shaft of the existing building with lower cost.

SUMMERY OF THE UTILITY MODEL

In order to reduce the maintenance cost of the civil exhaust shaft of the built building, the application provides a repair structure of the civil exhaust shaft of the built building.

The application provides a repair structure of building well that discharges fume adopts following technical scheme:

a restoration structure of a built building smoke exhaust shaft comprises the existing civil building smoke exhaust shaft, wherein an iron sheet air channel is arranged in the existing civil building smoke exhaust shaft and is in sealing connection with an air outlet shaft of the built building, and the iron sheet air channel is fixed with the existing civil building smoke exhaust shaft after entering the existing civil building smoke exhaust shaft.

By adopting the technical scheme, the existing civil-engineering smoke exhaust shaft is used as an installation part, and the new smoke exhaust channel is manufactured in the existing civil-engineering smoke exhaust shaft through the iron sheet air channel and used for replacing the existing civil-engineering smoke exhaust shaft, so that the damaged existing civil-engineering smoke exhaust shaft is not required to be dismantled and rebuilt, and the damaged part on the existing civil-engineering smoke exhaust shaft is not required to be inspected one by one and repaired, so that the maintenance of the civil-engineering smoke exhaust shaft of the existing building is reduced in both economic cost and time cost. Meanwhile, the outer peripheral wall of the iron sheet air duct is in clearance fit with the inner peripheral wall of the existing civil engineering smoke exhaust shaft, so that the iron sheet air duct is convenient to install and remove in the existing civil engineering smoke exhaust shaft.

Preferably, the iron sheet air ducts are in a multi-section splicing type, two adjacent sections of the iron sheet air ducts are sealed and fixed, and the bottom surfaces of the iron sheet air ducts on the bottommost layer are sealed; the junction that lies in adjacent two sections iron sheet wind channels on having civil engineering smoke evacuation well all sets up the operation groove that supplies the fixed two sections iron sheet wind channels of workman.

By adopting the technical scheme, the multi-section spliced iron sheet air duct is convenient to transport and is convenient to be sleeved in the existing civil engineering smoke exhaust shaft, and the construction difficulty is reduced. Through the setting of operation groove for when two adjacent sections iron sheet wind channels are fixed, make things convenient for the handheld instrument of workman to stretch into from the operation groove and have had in the civil engineering well of discharging fume, fix two adjacent sections iron sheet wind channels. Meanwhile, when each section of iron sheet air duct is hoisted into the existing civil engineering air duct, the operation groove is convenient for workers to observe the advancing position of the iron sheet air duct in real time, and the construction safety is improved.

Preferably, the outer peripheries of the pipe orifices at the two ends of the iron sheet air duct in the length direction are respectively provided with a flange connection disc, a sealing gasket is fixed on the end face of the flange connection disc in the length direction of the iron sheet air duct, and the adjacent two sections of the iron sheet air duct are fixed through the flange connection discs.

Through adopting above-mentioned technical scheme, the sealed fixed effect of realization between two sections adjacent iron sheet wind channels is easily realized to the setting of flange connection dish and sealed pad.

Preferably, it is provided with the bearing support that is used for holding the iron sheet wind channel in having civil engineering to discharge fume the well, bearing support with civil engineering discharges fume the well fixed, bearing support is located the junction in adjacent two sections iron sheet wind channels, bearing support is right when the iron sheet wind channel forms the bearing, adjacent two sections sealed pad butt that is close to each other on the iron sheet wind channel.

By adopting the technical scheme, when the iron sheet air duct is hoisted into the existing civil engineering smoke exhaust shaft, the bearing support can play a role in guiding the iron sheet air duct in the descending process on the one hand, and the situation that the iron sheet air duct is inclined in the existing civil engineering smoke exhaust shaft is reduced. On the other hand, the bearing support plays the supporting role to the iron sheet wind channel of hoist and mount into existing civil engineering smoke exhaust well for the gravity in upper segment iron sheet wind channel is difficult for direct action on lower segment iron sheet wind channel, and then makes two adjacent sections iron sheet wind channels more stable and laborsaving when counterpointing with fixed.

Preferably, after two adjacent sections of the iron sheet air ducts are fixed, the bearing support is welded and fixed with the iron sheet air ducts.

By adopting the technical scheme, the installation stability of the iron sheet air duct in the existing civil engineering smoke exhaust shaft is improved.

Preferably, a connecting end is arranged on the iron sheet air duct, the connecting end faces the operating groove, a horizontal branch pipe is connected to the connecting end in a sealing mode, and one end, far away from the iron sheet air duct, of the horizontal branch pipe is used for being connected with an air outlet well of a built building in a sealing mode.

Through adopting above-mentioned technical scheme, can make the iron sheet wind channel pass through horizontal branch pipe and realize sealing connection with the air-out well of having built the building, can discharge after horizontal branch pipe and iron sheet wind channel in proper order in the cigarette in the air-out well of having built the building.

Preferably, the operating groove is filled with plugging materials, and the plugging materials are connected with the peripheral wall of the horizontal branch pipe in a sealing mode.

Through adopting above-mentioned technical scheme, can seal to having civil engineering well of discharging fume, easily seal the junction of horizontal branch pipe and iron sheet pipeline in having civil engineering well of discharging fume on the one hand, reduce the probability that the junction of horizontal branch pipe and iron sheet pipeline leaks cigarette. On the other hand, after the operation groove is plugged, the strength of the existing civil well can be enhanced.

Preferably, the horizontal branch pipe is connected with a fire damper, and the fire damper is located outside the existing civil engineering smoke exhaust shaft.

The air outlet well of the built building can enter fire while exhausting smoke, and by adopting the technical scheme, the fire prevention valve can reduce the situation that fire possibly existing in the horizontal branch pipe enters the iron sheet air duct, so that the smoke exhausting safety of the iron sheet air duct is enhanced.

Preferably, the outer peripheral wall of the horizontal branch pipe, which is positioned outside the existing civil exhaust smoke shaft, is connected with an air pipe anti-seismic support.

Through adopting above-mentioned technical scheme, antidetonation support is used for with the wall on horizontal branch pipe upper portion fixed, reduces the vibration or rocks the influence that causes horizontal branch pipe installation stability.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the iron sheet air duct, the damaged existing smoke exhaust shaft can be repaired in a short construction period and at low cost under the conditions that the existing smoke exhaust shaft is not dismantled and rebuilt and the damaged part on the existing civil smoke exhaust shaft is not required to be inspected one by one and repaired;

2. the operation groove and the iron sheet air duct are arranged in a multi-section splicing manner, so that the construction difficulty in the installation of the iron sheet air duct is reduced;

3. through the setting of bearing support for the gravity in upper segment iron sheet wind channel easily acts on the bearing support, and be difficult to direct action on lower floor's iron sheet wind channel, thereby make adjacent two sections iron sheet wind channels counterpoint and when fixed more stable and laborsaving.

Drawings

FIG. 1 is a plan view of embodiment 1.

Fig. 2 is a schematic view for showing an internal structure of a conventional civil engineering smoke evacuation hoistway in embodiment 1.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic view of the entire structure of embodiment 1.

Fig. 5 is an enlarged schematic view of a portion B in fig. 4.

Fig. 6 is a schematic view for showing the internal structure of a conventional civil engineering smoke evacuation hoistway according to embodiment 2.

Fig. 7 is an enlarged schematic view of the portion C in fig. 6.

Description of reference numerals: 1. civil construction of smoke evacuation shafts is already in place; 2. an iron sheet air duct; 21. a flange connecting plate; 22. a gasket; 23. a connecting end; 3. an operation slot; 4. a supporting bracket; 41. a horizontal frame; 411. a kidney-shaped hole; 42. an inclined frame; 421. a second screw; 5. a horizontal branch pipe; 6. plugging materials; 61. a seal ring; 62. cement mortar; 63. building a wall by bricks; 7. a fire damper; 8. an air pipe anti-seismic support; 9. a connecting member; 91. a first screw.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

Example 1:

the embodiment of the application discloses a restoration structure of a built building smoke exhaust shaft. Referring to fig. 1 and 2, the system comprises an existing civil engineering smoke exhaust shaft 1, and an iron sheet air duct 2 is sleeved in the existing civil engineering smoke exhaust shaft 1. Iron sheet wind channel 2 is according to the multisection formula of having civil engineering smoke evacuation well 1 length dimension customization to the periphery wall in iron sheet wind channel 2 reduces 80 millimeters customization on every side according to the size of having civil engineering well, makes to form the clearance that makes things convenient for iron sheet wind channel 2 dismouting between the periphery wall in iron sheet wind channel 2 and the interior perisporium of having civil engineering well, checks that the wind speed in iron sheet wind channel 2 is less than 20 meters per second.

Referring to fig. 3, the outer periphery of the pipe orifices at the two ends of each section of the iron sheet air duct 2 in the length direction is integrally formed with a flange connection disc 21, a sealing gasket 22 is fixedly bonded on the end face of the flange connection disc 21 in the length direction of the iron sheet air duct 2, and the sealing gasket 22 is made of rubber. The bottom end of the iron sheet air duct 2 used for being installed at the bottommost layer of the existing civil engineering air duct is welded with a plugging plate (not shown in the figure), and the bottom surface of the iron sheet air duct 2 at the bottommost layer is sealed.

Referring to fig. 2, the cross-sectional shapes of the existing civil engineering smoke exhaust hoistway 1 and the iron sheet air duct 2 may be circular or rectangular, and the cross-sectional shapes of the existing civil engineering smoke exhaust hoistway 1 and the iron sheet air duct 2 in this embodiment are rectangular. Two side walls of the long edge of the existing civil exhaust smoke hoistway 1 are respectively provided with one operation groove 3, and in another embodiment, three side walls of the existing civil exhaust smoke hoistway 1 can be provided with one operation groove 3. The operation groove 3 is located the outside of the junction of the two adjacent sections of iron sheet air ducts 2, and when the iron sheet air ducts 2 are installed, a worker holds a tool to stretch into the operation groove 3, so that the flange connection discs 21 on the two adjacent sections of iron sheet air ducts 2 are easily connected, and the sealing between the two adjacent sections of iron sheet air ducts 2 is realized.

Referring to fig. 3, before each iron sheet air duct 2 is hoisted into the existing civil exhaust shaft 1, a worker installs a bearing bracket 4 into the existing exhaust shaft through an operation groove 3, and the bearing bracket 4 is made of steel. The bearing support 4 is located at the joint of two adjacent sections of iron sheet air ducts 2, and two sides of the operation groove 3 in the length direction are respectively provided with one bearing support 4. The bearing support 4 comprises a horizontal frame 41, the horizontal frame 41 is arranged along the narrow side of the existing civil exhaust smoke well 1, and two ends of the horizontal frame 41 in the length direction are fixed with the inner wall of the existing civil exhaust smoke well 1 through connecting pieces 9. The bearing support 4 further comprises an inclined frame 42, the inclined frame 42 is positioned below the horizontal frame 41, one end of the inclined frame 42 in the length direction is fixed with the horizontal frame 41, and the other end of the inclined frame 42 is fixed with the inner wall of the existing civil smoke exhaust shaft 1. When two adjacent sections of iron sheet wind channels 2 are close to each other and are abutted against the sealing gaskets 22, the two adjacent sections of iron sheet wind channels 2 are easily sealed, the horizontal frame 41 of the bearing support 4 is used for supporting the flange connection disc 21 at the lower end of each section of iron sheet wind channel 2 at the moment, so that the gravity of the upper section of iron sheet wind channel 2 is not completely fallen onto the lower section of iron sheet wind channel 2, and the adjacent iron sheet wind channels 2 are convenient to shift when the alignment is inaccurate. After the flange connection discs 21 on the two adjacent sections of iron sheet air ducts 2 are aligned, the two adjacent sections of iron sheet air ducts 2 are connected through flanges by means of screws, deformation of the sealing gaskets 22 and small deformation of the bearing supports 4. After two adjacent sections of iron sheet air ducts 2 are connected, the horizontal frame 41 and the flange connection disc 21 of the iron sheet air duct 2 are welded and fixed, so that the iron sheet air duct 2 is fixed on the inner wall of the existing civil engineering smoke exhaust hoistway 1.

Referring to fig. 1, a connecting end 23 is integrally formed on the side wall of the iron sheet air duct 2 corresponding to one operating slot 3 in each layer of operating slot 3, a port of the connecting end 23 is arranged towards the operating slot 3, and the connecting end 23 is a flange. The connecting end 23 is connected with a horizontal branch pipe 5 in a flange mode, and the end part, far away from the connecting end 23, of the horizontal branch pipe 5 is connected with an air outlet well (not shown in the figure) of a built building in a sealing mode.

Referring to fig. 4, a fire damper 7 is installed on the horizontal branch pipe 5 at a distance of 30 mm from the straight line at the junction of the horizontal branch pipe 5 and the existing smoke exhaust shaft, and the fire damper 7 is a commercially available smoke exhaust fire damper. The peripheral wall of the horizontal branch pipe 5 outside the existing smoke discharging shaft is connected with an air pipe anti-seismic support 8, and the air pipe anti-seismic support 8 is used for being fixed with a wall above the horizontal branch pipe 5 so as to improve the anti-seismic performance of the horizontal branch pipe 5.

Referring to fig. 5, the operation tank 3 connected with the horizontal branch pipe 5 is filled with plugging material 6, the plugging material 6 sequentially comprises a sealing ring 61, cement mortar 62 and a brick wall 63 along the horizontal branch pipe 5 outwards for sealing the connection between the horizontal branch pipe 5 and the existing smoke exhaust shaft, and the sealing ring 61 is made of rubber. The operation groove 3 which is not connected with the horizontal branch pipe 5 is sealed by bricks.

The implementation process of the repair structure of the smoke exhaust shaft of the built building in the embodiment of the application is as follows: during construction, an operation groove 3 is formed in the connecting position of two adjacent sections of iron sheet air ducts 2, and after the iron sheet air duct 2 at the bottommost layer is hoisted into the existing civil engineering smoke exhaust shaft 1, a supporting bracket 4 required by the iron sheet air duct 2 at the upper layer is installed. After the installation of bearing support 4 is accomplished, hoist and mount the iron sheet wind channel 2 with the 2 adjacent one deck in bottom iron sheet wind channel, until flange connection pad 21 of the 2 bottoms in this layer of iron sheet wind channel and the 4 butts of bearing support on this layer, afterwards, accomplish the installation of each layer of bearing support 4 and iron sheet wind channel 2 according to this step. If the length of each layer of iron sheet air duct 2 is more than 5 meters in actual operation, an observation window is arranged in the middle of one side wall of the existing civil engineering smoke exhaust hoistway 1 corresponding to each section of iron sheet air duct 2 so as to facilitate normal hoisting of the longer iron sheet air duct 2.

After hoisting all the iron sheet air ducts 2, sleeving the horizontal branch pipes 5 with the sealing rings 61 to correspondingly install the horizontal branch pipes 5 on each section of the iron sheet air duct 2, connecting the flange connection discs 21 of two adjacent sections of the iron sheet air ducts 2 by using bolts, and welding the horizontal frame 41 of the bearing support 4 with the iron sheet air ducts 2 to complete installation of the iron sheet air ducts 2.

After the iron sheet air duct 2 is installed, the observation window is closed by using a brick masonry mode, a brick masonry wall 63 is built around the operation groove 3 by using bricks, when the brick masonry wall 63 is close to the outer peripheral wall of the horizontal branch pipe 5, the sealing ring 61 and the brick masonry wall 63 are poured together by using cement mortar 62, and the operation groove 3 is sealed.

Example 2:

referring to fig. 6 and 7, the present embodiment is different from embodiment 1 in that a first screw 91 is fixed in the vertical direction on the upward side of the connecting member 9, a second screw 421 is fixed in the vertical direction on the end of the inclined frame 42 facing the

horizontal frame

41, 4 waist-shaped holes 411 for respectively connecting the first screw 91 and the second screw 421 penetrate through the horizontal frame 41 in the thickness direction thereof, each waist-shaped hole 411 extends in the width direction of the horizontal frame 41, and the 4 waist-shaped holes 411 are sequentially arranged in the length direction of the horizontal frame 41. The horizontal frame 41 is erected on the connecting piece 9 and the inclined frame 42 through a first screw 91, a second screw 421 and a waist-shaped hole 411.

Referring to fig. 7, when the iron sheet duct 2 is hoisted, the horizontal frame 41 is pushed towards the direction close to the iron sheet duct 2 along the waist-shaped hole 411, so that the horizontal frame 41 can support the flange connection disc 21 of the iron sheet duct 2. When the adjacent iron sheet air ducts 2 need to be fixed, the horizontal frame 41 is pushed along the direction far away from the iron sheet air ducts 2, so that the horizontal frame 41 is disconnected from the flange connection disc 21 of the iron sheet air ducts 2, and the two adjacent iron sheet air ducts 2 are more conveniently connected in a sealing manner. After the iron sheet air duct 2 is connected, nuts are screwed into the first screw rod 91 and the second screw rod 421 to limit the horizontal frame 41, and the horizontal frame 41 and the iron sheet air duct 2 are welded and fixed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a repair structure of building smoke evacuation well has been built which characterized in that: including existing civil engineering smoke exhaust well (1), be provided with iron sheet wind channel (2) in existing civil engineering smoke exhaust well (1), iron sheet wind channel (2) and the exhaust shaft sealing connection of building have been built work iron sheet wind channel (2) get into back in existing civil engineering smoke exhaust well (1) iron sheet wind channel (2) with existing civil engineering smoke exhaust well (1) is fixed.

2. A repair structure for a smoke evacuation shaft of a built building according to claim 1, wherein: the iron sheet air ducts (2) are in a multi-section splicing type, two adjacent sections of the iron sheet air ducts (2) are sealed and fixed, and the bottom surfaces of the iron sheet air ducts (2) at the bottommost layer are sealed; the joint of two adjacent sections of iron sheet air channels (2) on the existing civil engineering smoke exhaust hoistway (1) is provided with an operation groove (3) for workers to fix the two sections of iron sheet air channels (2).

3. A repair structure for a smoke evacuation shaft of a built building according to claim 2, wherein: the outer peripheral edges of the pipe orifices at the two ends of the iron sheet air duct (2) in the length direction are respectively provided with a flange connection disc (21), a sealing gasket (22) is fixed on the end face of the flange connection disc (21) in the length direction of the iron sheet air duct (2), and the adjacent two sections of the iron sheet air duct (2) are fixed through the flange connection discs (21).

4. A repair structure for a smoke evacuation shaft of a built building according to claim 3, wherein: have had to be provided with bearing support (4) that are used for holding iron sheet wind channel (2) in civil engineering smoke evacuation well (1), bearing support (4) with civil engineering smoke evacuation well is fixed, bearing support (4) are located the junction of two sections adjacent iron sheet wind channels (2), bearing support (4) are right when iron sheet wind channel (2) form the bearing, adjacent two sections sealed pad (22) butt that is close to each other on iron sheet wind channel (2).

5. The repair structure of a smoke evacuation shaft of a built building according to claim 4, wherein: after the two adjacent sections of the iron sheet air ducts (2) are fixed, the bearing support (4) is welded and fixed with the iron sheet air ducts (2).

6. A repair structure for a smoke evacuation shaft of a built building according to claim 2, wherein: be provided with link (23) on iron sheet wind channel (2), link (23) orientation operation groove (3) set up, sealing connection has horizontal branch pipe (5) on link (23), horizontal branch pipe (5) are kept away from the one end in iron sheet wind channel (2) is used for and has built the air outlet shaft sealing connection of building.

7. The repair structure of a smoke evacuation shaft of a built building according to claim 6, wherein: and plugging materials (6) are filled in the operating groove (3), and the plugging materials (6) are in sealing connection with the peripheral wall of the horizontal branch pipe (5).

8. The repair structure of a smoke evacuation shaft of a built building according to claim 6, wherein: the horizontal branch pipe (5) is connected with a fire damper (7), and the fire damper (7) is located outside the existing civil engineering smoke exhaust well (1).

9. The repair structure of a smoke evacuation shaft of a built building according to claim 6, wherein: and the horizontal branch pipe (5) is connected with an air pipe anti-seismic support (8) on the peripheral wall outside the existing civil exhaust smoke hoistway (1).