CN220320519U - Shared smoke-preventing and exhausting composite air pipe and shared smoke-preventing and exhausting pipeline system - Google Patents

Abstract

The utility model provides a shared smoke prevention and exhaust composite air pipe and a shared smoke prevention and exhaust pipeline system, and relates to the technical field of smoke prevention and exhaust systems, so that the smoke prevention and exhaust air pipe structure is optimized to a certain extent, and the heat resistance and the adaptation capability of the smoke prevention and exhaust air pipe are improved. The utility model provides a shared smoke-proof and smoke-exhausting composite air pipe, which comprises a support pipeline, a fireproof assembly and a separation assembly; the fire-resistant component comprises a first fire-resistant part and a second fire-resistant part, the first fire-resistant part is coated on the outer part of the supporting pipeline, and the second fire-resistant part is coated on the outer part of the first fire-resistant part; the partition assembly includes a first partition member positioned between the first refractory member and the support duct and a second partition member positioned between the first refractory member and the second refractory member, the first partition member and the second partition member being disposed in spaced relation.

Description

Shared smoke-preventing and exhausting composite air pipe and shared smoke-preventing and exhausting pipeline system

Technical Field

The utility model relates to the technical field of smoke prevention and exhaust systems, in particular to a shared smoke prevention and exhaust composite air pipe and a shared smoke prevention and exhaust pipeline system.

Background

Most of the existing smoke prevention and exhaust air pipes are installed on site, the construction is complicated, the work efficiency is low, the size is large, the weight is large, the occupied space is large, the flange structures are all of all-metal structures, and the heat insulation requirement of the ventilation air pipes cannot be met.

The existing ventilation air pipe, the design materials and the structure can only meet the requirement that the smoke temperature is lower than 300 ℃ and can be normally used, but the smoke prevention and discharge air pipe is required to be detected through a fire resistance limit, and the experimental flame temperature is about 1000 ℃ generally, so that the ventilation air pipe cannot meet the function of the smoke prevention and discharge air pipe, the smoke prevention and discharge air pipe and the ventilation air pipe are required to be independently installed in the subway engineering at the present stage, the required space is large, the installation process is complex, and the efficiency is low.

Therefore, there is an urgent need to provide a shared smoke prevention and exhaust composite duct and a shared smoke prevention and exhaust duct system, so as to solve the problems in the prior art to a certain extent.

Disclosure of Invention

The utility model aims to provide a shared smoke prevention and exhaust composite air pipe and a shared smoke prevention and exhaust pipeline system, so that the smoke prevention and exhaust air pipe structure is optimized to a certain extent, the shared smoke prevention and exhaust composite air pipe provided by the application can meet the heat insulation requirement of a ventilation air pipe, the heat resistance of the smoke prevention and exhaust air pipe can be improved, the installation space can be saved, and the installation efficiency can be improved.

The utility model provides a shared smoke-preventing and exhausting composite air pipe, which comprises a supporting pipeline, a fireproof assembly and a separation assembly; the fire-resistant assembly comprises a first fire-resistant piece and a second fire-resistant piece, wherein the first fire-resistant piece is coated on the outer part of the supporting pipeline, and the second fire-resistant piece is coated on the outer part of the first fire-resistant piece; the separation assembly includes a first separator located between the first refractory and the support conduit and a second separator located between the first refractory and the second refractory, the first separator and the second separator being spaced apart.

Wherein the refractory assembly further comprises a third refractory member; the third refractory piece is located at the end part of the second refractory piece, and two ends of the third refractory piece are respectively abutted with the first partition piece and the second partition piece.

Specifically, the first separator and the second separator are each in an L-shaped structure.

Further, the first separator and the second separator are both made of steel material, and the thickness of each of the first separator and the second separator is 0.75mm to 1.5mm.

The shared smoke-preventing and exhausting composite air pipe further comprises a flange, wherein the flange is positioned outside the second refractory piece, and the flanges are arranged at two ends of the second refractory piece.

Specifically, the flange is of an L-shaped structure, and the flange is made of steel materials.

The first refractory piece is made of composite magnesium silicate heat-insulating materials, and the thickness of the first refractory piece is 30-50 mm.

Specifically, the second refractory piece comprises a refractory layer and an outer coating, wherein the refractory layer is made of a magnesium crystal composite plate, and the outer coating is formed of a color steel plate.

Further, the support pipe is made of galvanized steel sheet, and the thickness of the support pipe is 0.75mm-1.5mm; the third refractory member is made of a magnesium crystal plate.

Compared with the prior art, the shared smoke-preventing and exhausting composite air pipe provided by the utility model has the following advantages:

the utility model provides a shared smoke-proof and smoke-exhausting composite air pipe, which comprises a support pipeline, a fireproof assembly and a separation assembly; the fire-resistant component comprises a first fire-resistant part and a second fire-resistant part, the first fire-resistant part is coated on the outer part of the supporting pipeline, and the second fire-resistant part is coated on the outer part of the first fire-resistant part; the partition assembly includes a first partition member positioned between the first refractory member and the support duct and a second partition member positioned between the first refractory member and the second refractory member, the first partition member and the second partition member being disposed in spaced relation.

From this analysis shows that can provide stable holding power for the refractory component through supporting the pipeline, and through the cladding at the outside first refractory component of supporting the pipeline, can carry out the first temperature to the high temperature flue gas in the supporting the pipeline and isolate, through the cladding at the outside second refractory component of first refractory component, can carry out the secondary to the temperature of high temperature flue gas transmission and isolate.

And, because first refractory component and second refractory component need carry out the support of certain degree, avoid first refractory component and second refractory component to be because of producing the deformation in the use, influence refractory and heat-proof effects, consequently, this application can support first refractory component towards one side of supporting the pipeline through setting up first separator between supporting pipeline and first refractory component, and can separate supporting pipeline and first refractory component to a certain extent, thereby reduce thermal transfer, and through setting up the second separator between first refractory component and second refractory component, can play the supporting effect to first refractory component and second refractory component to a certain extent, and can also reduce the heat of first refractory component to the transfer of second refractory component to a certain extent.

It can be appreciated that this application can isolate the temperature of the transmission of most high temperature flue gas in support pipeline through the outside first refractory component of cladding at support pipeline and second refractory component, and through first separator and second separator, on playing support function's basis, because first separator and second separator interval in this application set up, consequently, can avoid the heat to pass through first separator and second separator and transmit, thereby on the basis that satisfies the fire-resisting heat requirement of preventing and discharging fume tuber pipe, further satisfy ventilation pipeline's thermal-insulated demand, and then make the sharing that this application provided prevent and discharge fume the compound tuber pipe and integrated ventilation pipeline with prevent the function of exhaust fume pipe, need not to set up independent prevention and discharge fume pipe and ventilation pipeline respectively, very big saving installation space, use, operation and maintenance cost have been reduced.

In addition, the utility model also provides a shared smoke prevention and exhaust pipeline system which comprises a plurality of the shared smoke prevention and exhaust composite air pipes, and the shared smoke prevention and exhaust composite air pipes are butted.

Adopt this application to provide the sharing of the compound tuber pipe formation of preventing discharging fume prevents that the sharing prevents the exhaust gas piping system, can have higher fire-resistant heat resistance to guarantee the safety of discharging fume of installation place.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of an overall structure of a first view angle of a shared smoke-preventing and exhausting composite air duct according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of an overall structure of a second view angle of a shared smoke-preventing and exhausting composite air duct according to an embodiment of the present utility model.

In the figure: 1-supporting a pipeline; 2-a first refractory; 3-a second refractory; 4-a third refractory; 5-a first separator; 6-a second separator; 7-flange.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to be within the scope of the present application.

In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "coupled" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As used herein, the term "and/or" includes any one of the listed items of interest and any combination of any two or more.

For ease of description, spatially relative terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. Singular forms also are intended to include plural forms unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" are intended to specify the presence of stated features, integers, operations, elements, and/or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, and/or groups thereof.

Variations from the shapes of the illustrations as a result, of manufacturing techniques and/or tolerances, are to be expected. Accordingly, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shapes that occur during manufacture.

The features of the examples described herein may be combined in various ways that will be apparent after an understanding of the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible as will be apparent after an understanding of the present disclosure. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present application.

As shown in fig. 1 and fig. 2, the utility model provides a shared smoke-preventing and exhausting composite air duct, which comprises a support pipeline 1, a fireproof assembly and a separation assembly; the fire-resistant assembly comprises a first fire-resistant piece 2 and a second fire-resistant piece 3, wherein the first fire-resistant piece 2 is coated on the outer part of the supporting pipeline 1, and the second fire-resistant piece 3 is coated on the outer part of the first fire-resistant piece 2; the partition assembly comprises a first partition 5 and a second partition 6, the first partition 5 being located between the first refractory 2 and the support pipe 1, the second partition 6 being located between the first refractory 2 and the second refractory 3, the first partition 5 and the second partition 6 being spaced apart.

Compared with the prior art, the shared smoke-preventing and exhausting composite air pipe provided by the utility model has the following advantages:

according to the shared smoke-preventing and exhausting composite air pipe, a stable supporting force can be provided for a refractory component through the supporting pipeline 1, the first refractory piece 2 coated outside the supporting pipeline 1 can isolate the high-temperature smoke in the supporting pipeline 1 at the first temperature, and the second refractory piece 3 coated outside the first refractory piece 2 can isolate the temperature transmitted by the high-temperature smoke at the second temperature.

And, because the first refractory member 2 and the second refractory member 3 need to be supported to a certain extent, the first refractory member 2 and the second refractory member 3 are prevented from being deformed in use to affect the refractory heat insulation effect, therefore, the present application can support the first refractory member 2 toward one side of the support pipe 1 by providing the first partition member 5 between the support pipe 1 and the first refractory member 2, and can partition the support pipe 1 and the first refractory member 2 to a certain extent, thereby reducing heat transfer, and can play a supporting effect on the first refractory member 2 and the second refractory member 3 to a certain extent by providing the second partition member 6 between the first refractory member 2 and the second refractory member 3, and can also reduce the heat transferred from the first refractory member 2 to the second refractory member 3 to a certain extent.

It can be appreciated that this application can isolate the temperature of supporting the transmission of pipeline 1 in most high temperature flue gas through cladding at the outside first refractory component 2 of pipeline 1 and the outside refractory component 3 of second, and through first separator 5 and second separator 6, on playing support function's basis, because first separator 5 and the 6 interval of second in this application set up, consequently, can avoid the heat to transmit through first separator 5 and second separator 6, thereby on the basis that satisfies the fire-resistant heat-resisting requirement of preventing and discharging fume tuber pipe, further satisfy the thermal-insulated demand of air pipe, and then make the shared that this application provided prevent and discharge fume the compound tuber pipe integrated air pipe and prevent the function of air pipe and prevent fume pipe, need not to set up independent prevent fume pipe and air pipe respectively, very big saving installation space, use, operation and maintenance cost have been reduced.

Wherein, as shown in fig. 1, the refractory assembly in the present application further comprises a third refractory member 4; the third refractory member 4 is located at an end portion of the second refractory member 3, and both ends of the third refractory member 4 are abutted against the first separator 5 and the second separator 6, respectively.

Because the first refractory piece 2 is located between the second refractory piece 3 and the support pipeline 1, and the end of the first refractory piece 2 is not provided with an edge seal, the end face of the first refractory piece 2 can be shielded by arranging the third refractory piece 4 between the first refractory piece 2 and the second refractory piece 3, and therefore the end part of the integral shared smoke-proof and smoke-exhausting composite air pipe is provided with a more flat side wall of the third refractory piece 4.

Preferably, as shown in fig. 1, the first and second spacers 5 and 6 in the present application each have an L-shaped structure.

The first section of the first partition 5 having an L-shaped structure is attached to the outer wall surface of the support pipe 1, and the second section is attached to the side wall of the third refractory 4, so that heat transfer between the third refractory 4 and the support pipe 1 can be insulated to a certain extent. Accordingly, the first section of the second separator 6 is fitted to the second refractory member 3, and the second section is fitted to the side wall of the third refractory member 4, so that heat transfer between the third refractory member 4 and the second refractory member 3 can be insulated to some extent.

And because the first separator 5 and the second separator 6 in this application are made by steel material, consequently, through setting up first separator 5 and second separator 6 interval, can avoid heat to outside conduction by first separator 5 to a certain extent to can improve the heat resistance of whole sharing smoke prevention and removal composite wind pipe.

Alternatively, the thickness of the first separator 5 and the second separator 6 in the present application is 0.75mm to 1.5mm, and preferably, the thickness of the first separator 5 and the second separator 6 in the present application is selected to be 1mm.

Optionally, as shown in fig. 1 and fig. 2, the shared smoke-preventing and exhausting composite air duct provided by the utility model further comprises a flange 7, wherein the flange 7 is positioned outside the second refractory piece 3, and both ends of the second refractory piece 3 are provided with flanges 7.

By means of the flange 7 arranged outside the second refractory part 3, a fast butt joint between a plurality of smoke prevention and exhaust ducts can be achieved when forming a shared smoke prevention and exhaust duct system.

Preferably, the flange 7 in this application is angle steel flange 7, therefore, flange 7 is L shape structure, and the first section of flange 7 is laminated mutually with the outer wall of second refractory 3, and the second section sets up perpendicularly with the first section for be connected with other sharing and prevent discharging fume compound tuber pipe.

Preferably, the first refractory member 2 in the present application is made of a composite magnesium silicate insulation material, and the thickness of the first refractory member 2 is 30mm to 50mm, so that a better refractory and heat insulating effect can be provided.

Further preferably, the second refractory 3 in the present application comprises a refractory layer made of a magnesium crystal composite plate and an outer coating layer formed of a color steel plate.

Because flange 7 in this application needs to be connected with the outer wall surface of second refractory component 3, consequently, this application is through making second refractory component 3 include flame retardant coating and outer coating, and the outer coating is formed by color steel board to can provide more stable installation basis for flange 7, and set up the outer coating in the flame retardant coating outside and also can be better play the guard action to the flame retardant coating, improve whole sharing and prevent the life of discharging fume composite wind pipe.

It can be appreciated that, because the refractory layer in this application adopts magnesium crystal composite board to make, consequently, can cooperate first refractory component 2 to bear higher fire-resistant extreme temperature, guarantee to share and prevent that smoke exhaust pipe system's fire prevention is stable.

Preferably, as shown in fig. 1, the support pipe 1 in the present application is made of galvanized steel sheet, and the thickness of the support pipe 1 is 0.75mm to 1.5mm; the third refractory 4 is made of a magnesium crystal plate.

It should be noted that, in the present application, the thickness of the support pipe 1, the thickness of the first refractory member 2, and the thicknesses of the first partition member 5 and the second partition member 6 may be designed within a range according to specific requirements, so as to meet the requirements of strength and overall weight, which are not repeated herein.

In addition, the utility model also provides a shared smoke prevention and exhaust pipeline system which comprises a plurality of the shared smoke prevention and exhaust composite air pipes, and the plurality of the shared smoke prevention and exhaust composite air pipes are butted.

Adopt this application to provide the sharing of the compound tuber pipe formation of preventing discharging fume prevents that the sharing prevents the exhaust gas piping system, can have higher fire-resistant heat resistance to guarantee the safety of discharging fume of installation place.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. The shared smoke-proof and smoke-exhausting composite air pipe is characterized by comprising a supporting pipeline, a fireproof assembly and a separation assembly;

the fire-resistant assembly comprises a first fire-resistant piece and a second fire-resistant piece, wherein the first fire-resistant piece is coated on the outer part of the supporting pipeline, and the second fire-resistant piece is coated on the outer part of the first fire-resistant piece;

the separation assembly includes a first separator located between the first refractory and the support conduit and a second separator located between the first refractory and the second refractory, the first separator and the second separator being spaced apart.

2. The shared smoke-preventing and venting composite ductwork according to claim 1, wherein said refractory assembly further includes a third refractory member;

the third refractory piece is located at the end part of the second refractory piece, and two ends of the third refractory piece are respectively abutted with the first partition piece and the second partition piece.

3. The shared smoke-preventing and exhausting composite ductwork according to claim 1, wherein said first and second dividers are each in an L-shaped configuration.

4. The shared smoke-preventing and exhausting composite ductwork according to claim 3, wherein said first and second dividers are each made of steel material, and the thickness of said first and second dividers are each 0.75mm-1.5mm.

5. The shared smoke-preventing and exhausting composite air duct according to claim 1, further comprising a flange, wherein the flange is located outside the second refractory member, and both ends of the second refractory member are provided with the flange.

6. The shared smoke preventing and exhausting composite ductwork according to claim 5, wherein said flange is of L-shaped configuration and said flange is made of steel material.

7. The shared smoke-preventing and exhausting composite air duct of claim 1, wherein said first refractory member is made of composite magnesium silicate insulation material and said first refractory member has a thickness of 30mm to 50mm.

8. The shared smoke-preventing and exhausting composite air duct of claim 1, wherein said second refractory member comprises a refractory layer and an outer coating, said refractory layer being made of a magnesium crystal composite board, said outer coating being formed of a colored steel sheet.

9. The shared smoke preventing and exhausting composite ductwork according to claim 2, wherein said support duct is made of galvanized steel sheet, and the thickness of said support duct is 0.75mm-1.5mm;

the third refractory member is made of a magnesium crystal plate.

10. A shared smoke prevention and removal duct system comprising a plurality of the shared smoke prevention and removal composite ductwork of any one of claims 1 to 9, wherein a plurality of the shared smoke prevention and removal composite ductworks are butted.