CN214785437U

CN214785437U - Roof steam exhaust channel

Info

Publication number: CN214785437U
Application number: CN202120630123.9U
Authority: CN
Inventors: 李波; 李涛; 栾广民
Original assignee: China 22MCC Group Corp Ltd
Current assignee: China 22MCC Group Corp Ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-11-19
Anticipated expiration: 2031-03-29

Abstract

The utility model relates to a roof exhaust steam passage, which comprises a horizontal and vertical exhaust steam passage, wherein the cross point of the horizontal and vertical exhaust steam passages is provided with a PVC vertical pipe (11), the pipe wall of the PVC vertical pipe (11) is densely distributed with through holes, and the through holes are distributed in a quincunx shape; the two sides of the steam exhaust channel are provided with a supporting wall body (1) built by lime bricks, and the middle part of the steam exhaust channel is provided with a crushed aerated block (2) as a filler; the supporting wall body (1) is of a hollow flower wall structure; the steam exhaust passage top is equipped with nylon bag (3) shop front, is screed-coat (4), waterproof layer (10) of roofing structure on nylon bag (3) shop front in proper order, the utility model provides a construction structures can effectively discharge roofing heat preservation and look for the steam in the slope layer, avoids appearing the condition that waterproofing membrane bubbly, and steam exhaust passage supports intensity height, has certain heat preservation function, the utility model discloses reduce the weakening of steam exhaust passage to roofing intensity, heat preservation effect.

Description

Roof steam exhaust channel

Technical Field

The utility model relates to a building roofing structure specifically is a roofing steam vent.

Background

In the construction process of the coiled material roof, if the water content in the roof heat-insulating layer and the slope finding layer is too large, water vapor cannot be discharged in time, and the roof waterproof coiled material is easy to bulge.

In the roof construction process, according to the standard requirement, the leveling layer needs to be provided with separation seams every 6 meters, and a steam exhaust channel is arranged below the separation seams. In a common construction site, steam exhaust pipes are arranged on the heat insulation layer every 6 meters and are communicated with each other, and a vertical steam exhaust pipe is arranged at the position where a steam exhaust channel is crossed. The steam exhaust pipe adopts a PVC pipe, holes are uniformly punched on the PVC pipe, and water vapor in the roof enters holes in the PVC pipe and is then exhausted through the vertical steam exhaust pipe. In this way, moisture is difficult to remove when the moisture is under the insulating layer. In addition, because the slope finding layer is usually made of materials such as slag or perlite and the like, holes on the steam exhaust pipe are easily blocked, and the steam exhaust function is lost. The water vapor in the roof is large, the steam exhaust channel does not work, and the roof is easy to cause waterproof bulging.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem to a novel structure of roofing steam extraction way is provided, the warm vapour in the roofing structure can effectively be discharged, the intensity of roofing steam extraction way position can also be strengthened.

In order to solve the above problems, the utility model provides a new construction of roofing steam vent, its concrete technical scheme is:

a roof exhaust steam passage comprises a transverse and longitudinal exhaust steam passage, wherein a cross point of the transverse and longitudinal exhaust steam passages is provided with a PVC vertical pipe, the pipe wall of the PVC vertical pipe is densely distributed with through holes, and the through holes are distributed in a quincunx shape; the two sides of the steam exhaust channel are provided with a supporting wall body built by lime bricks, and the middle part of the steam exhaust channel is provided with a crushed aerated block as a filler; the supporting wall body is of a hollow flower wall structure; the top of the steam exhaust passage is provided with a nylon bag pavement, and a leveling layer and a waterproof layer of a roof structure are sequentially arranged on the nylon bag pavement.

Adopt above-mentioned structure the utility model discloses, compare with prior art, its beneficial effect is:

the utility model relates to a roof steam exhaust duct both sides are the wall body support of laying bricks, effectively separate the structure of steam exhaust duct and roof, and support intensity is high, and the wall body is the fretwork type, guarantees that steam disperses to the steam exhaust duct direction; the chopped air-entraining block material has high strength, large structural pores and certain heat-insulating function, not only has better steam exhaust effect, but also reduces the weakening of the heat-insulating effect of the steam exhaust channel on the roof structure; the nylon bag can be better the capping, avoids the screed-coat infiltration to influence the circulation of air in the steam exhaust duct.

Preferably, the present invention further provides:

the height of the part of the PVC vertical pipe, which is provided with the through hole, reaches the elevation of the slope finding layer.

The top of the PVC vertical pipe is fixedly connected with a horizontal pipe, and openings at two ends of the horizontal pipe are arranged downwards.

The bricks are made of lime-sand bricks, intervals are arranged between the lime-sand bricks on the same layer, and the intervals of the lime-sand bricks on the upper layer and the lower layer are staggered.

The brick is a perforated brick, and the hole axis of the perforated brick is vertical to the exhaust passage.

The particle size of the crushed aerated block is controlled to be 5-8 cm.

Drawings

Fig. 1 is a cross-sectional structure view of the roof steam exhaust passage of the present invention.

Fig. 2 is a schematic diagram of laying a building line on a structural layer when the utility model is used for constructing a roof steam exhaust channel.

Fig. 3 is a schematic view of the supporting wall of the present invention.

Fig. 4 is a schematic view of the structure of the steam exhaust channel disposed at the lower part of the parapet of the present invention.

In the figure: the building comprises a supporting wall body 1, a broken air-entraining block 2, a nylon bag 3, a leveling layer 4, a slope-finding layer 5, a heat-insulating layer 6, a roof structure layer 7, a parapet wall 8, a masonry line 9, a waterproof layer 10 and a PVC vertical pipe 11.

Detailed Description

The invention will be further described with reference to the following examples, which are intended only for better understanding of the invention and therefore do not limit the scope of the invention.

Referring to fig. 1 and 3, a roof steam exhaust passage comprises a transverse and longitudinal steam exhaust passage, a cross point of the transverse and longitudinal steam exhaust passages is provided with a PVC vertical pipe 11, the pipe wall of the PVC vertical pipe 11 is densely distributed with through holes, and the through holes are distributed in a quincunx shape; the two sides of the steam exhaust channel are provided with a supporting wall body 1 formed by building ash bricks, and the middle part of the steam exhaust channel is provided with a crushed aerated block 2 as a filler; the supporting wall body 1 is of a hollow flower wall structure; the top of the steam exhaust passage is provided with a nylon bag 3 pavement, and a leveling layer 4 and a waterproof layer 10 of a roof structure are sequentially arranged on the nylon bag 3 pavement.

Preferably, the height of the part of the PVC vertical pipe 11, where the through hole is arranged, is up to the elevation of the slope layer 5.

Preferably, the top of the PVC vertical pipe 11 is fixedly connected with a horizontal pipe, and openings at two ends of the horizontal pipe are arranged downwards.

The construction method of the roof exhaust steam passage is carried out according to the following steps by combining the steps shown in fig. 2 to 4:

firstly, drawing a roof exhaust steam passage diagram according to a roof diagram of a building, wherein the exhaust steam passage vertical to the parapet wall 8 extends to the bottom of the parapet wall, the exhaust steam passage parallel to the parapet wall 8 is arranged 2-3 meters away from the parapet wall, and the distance between the exhaust steam passages is less than or equal to 6 meters;

and secondly, placing a masonry line 9 on site according to a drawing of the roof exhaust steam passage.

And thirdly, building bricks and M5 cement mortar to build the supporting wall bodies 1 on the two sides of the roof steam exhaust channel, wherein the supporting wall bodies 1 are built in a hollow-out pattern wall mode.

And fourthly, constructing a roof heat-insulating layer 6 and a slope-finding layer 5 on the outer side of the roof exhaust steam passage supporting wall 1.

Fifthly, breaking the aerated concrete blocks to serve as filler, filling the filler into the channels between the support walls 1, and filling the exhaust channel.

And sixthly, covering the top of the crushed aerated block 2 and the supporting wall bodies 1 at the two sides with nylon bags 3.

And seventhly, placing PVC vertical pipes 11 at the positions where the steam exhaust passages are crossed, fixing the PVC vertical pipes 11 to the roof structure layer 7, punching holes in the lower parts of the pipe walls, and enabling the punching heights to be the elevations from the roof structure layer to the roof slope finding layer.

And eighth, constructing a roof leveling layer 4, testing the water content of the roof leveling layer, and constructing the roof waterproof layer 10 after the water content is qualified.

In the method, the bricks are made of lime-sand bricks, the lime-sand bricks on the same layer are arranged at intervals, and the lime-sand bricks on the upper layer and the lower layer are arranged at intervals in a staggered manner. In the method, the bricks can also be made of perforated bricks, and the axes of the holes of the perforated bricks are vertical to the exhaust passages.

In the method, the crushed grain size of the aerated concrete block is controlled to be 5-8 cm.

The utility model discloses well PVC riser 11 punches all around, and the through-hole of punching distributes with the plum blossom shape, and the hole diameter is 8mm, and the hole interval is at 20 mm. And (5) punching to find the height of the slope layer. The water vapor and moisture in the horizontal exhaust duct are exhausted from the PVC riser to the atmosphere, and therefore the PVC riser may also be referred to as a PVC exhaust pipe. The periphery of the PVC steam exhaust pipe is wrapped by glass fiber mesh cloth.

The utility model has the advantages that:

1) after the waterproof construction of the roof is finished, the roof is a relatively closed system, water vapor in the roof heat-insulating layer and the slope finding layer can reach the steam exhaust channel through holes reserved in the steam exhaust channel, and the water vapor can reach the steam exhaust pipes at the cross positions along the gaps due to the fact that the gaps exist among the steam exhaust channel and the steam adding blocks arranged in the middle of the steam exhaust channel and can be exhausted into air vapor along the steam exhaust pipes. 2) By adopting the method, the phenomenon that the exhaust channel is blocked and loses effect can be effectively avoided. 3) Can effectively guarantee the roofing heat preservation and look for the timely discharge of steam in the slope layer, avoid appearing the condition that waterproofing membrane bulgy. 4) The steam exhaust passage supports intensity height, has certain heat preservation function, the utility model discloses reduce the weakening of steam exhaust passage to roofing intensity, heat preservation effect.

The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent variations made by using the contents of the specification and the drawings are included in the scope of the present invention.

Claims

1. A roof exhaust steam passage comprises a transverse and longitudinal exhaust steam passage, wherein a cross point of the transverse and longitudinal exhaust steam passages is provided with a PVC vertical pipe, the pipe wall of the PVC vertical pipe is densely distributed with through holes, and the through holes are distributed in a quincunx shape; the method is characterized in that: the two sides of the steam exhaust channel are provided with a supporting wall body built by lime bricks, and the middle part of the steam exhaust channel is provided with a crushed aerated block as a filler; the supporting wall body is of a hollow flower wall structure; the top of the steam exhaust passage is provided with a nylon bag pavement, and a leveling layer and a waterproof layer of a roof structure are sequentially arranged on the nylon bag pavement.

2. The roof exhaust steam duct of claim 1, wherein: the height of the part of the PVC vertical pipe, which is provided with the through hole, reaches the elevation of the slope finding layer.

3. The roof exhaust steam duct of claim 2, wherein: the top of the PVC vertical pipe is fixedly connected with a horizontal pipe, and openings at two ends of the horizontal pipe are arranged downwards.

4. The roof exhaust steam duct of claim 1, wherein: the particle size of the chopped aerated block is between 5 cm and 8 cm.