CN213572827U - Composite exhaust passage for residence - Google Patents

Abstract

The utility model discloses a compound exhaust passage of house, include: the inner exhaust duct is an inner channel for exhausting oil fume gas, and is a metal pipeline; the outer exhaust air passage is arranged outside the inner exhaust air passage and used for fixing and forming an outer coating body of the composite exhaust air passage, and the outer exhaust air passage is a lightweight concrete pipeline; the reinforcing member is a member which is arranged on the outer exhaust passage and used for reinforcing the strength and the integrity of the inner exhaust passage and the outer exhaust passage; the outer exhaust passage is integrally cast outside the inner exhaust passage and forms an integrated composite exhaust passage with the inner exhaust passage. The composite exhaust passage for the house has the advantages that the inner exhaust passage is made of the metal pipeline, the sealing performance is good, the smoke leakage phenomenon cannot occur, the light concrete pipeline is adopted outside, the cost is saved, the installation is convenient, and the connecting sealing effect is good. The composite exhaust passage with different materials inside and outside realizes seamless butt joint between layers, and has good sealing effect and no smoke leakage.

Description

Composite exhaust passage for residence

Technical Field

The utility model relates to a fire prevention check valve technical field, in particular to compound exhaust passage of house.

Background

The existing residential exhaust duct system is easy to deform, distort and bend in depth in the long-term use process, so that the exhaust duct has the smoke leakage phenomenon due to deformation or distortion or bending in depth, which is also a phenomenon commonly existing in the existing concrete exhaust duct; and because current exhaust passage mostly adopts concrete structure, vertical bearing capacity receives concrete structure's restriction in the use, has certain limitation, and current exhaust passage can form certain connecting gap between floor and floor in addition, and sealed effect is poor, can have phenomenons such as leaking the cigarette in the use, and the gap also can influence outside pleasing to the eye moreover. Meanwhile, the existing exhaust passage is also inconvenient to install.

Chinese patent literature (publication date: 2018, 9, 4 and publication number: CN 108487583A) discloses a method for installing a residential exhaust duct made of metal materials, and solves the problem that the smoke insulation effect of the residential exhaust duct is poor. A method for installing a residential exhaust duct made of metal materials is characterized in that the residential exhaust duct comprises a plurality of exhaust units, each exhaust unit comprises a metal pipe with an exhaust runner and two fixing devices arranged on the metal pipe, an installation channel used for arranging a fire damper and enabling an exhaust port on the fire damper to be communicated with the exhaust runner on the metal pipe is arranged on the metal pipe of at least one exhaust unit, and the method for installing the residential exhaust duct comprises the following steps: in the exhaust unit assembly stage, at least two exhaust units are directly and/or indirectly connected into a flue unit; and in the assembling stage of the flue units, at least two flue units are directly and/or indirectly connected into a residential exhaust duct.

The technical scheme discloses a method for installing a residential exhaust duct made of a metal material, and aims to solve the problem that the residential exhaust smoke-isolating effect is poor, and the method for installing the metal exhaust duct cannot solve the problem of a connecting gap between floors.

Chinese patent document (Anhui: 2011, 6/1/10, Anhui: CN 201850742U) discloses a residential kitchen and bathroom composite inner frame fireproof exhaust passage, which comprises an outer frame long plate I, an outer frame long plate II, an inner frame reinforcing plate, a guide oil storage air drying groove, a check valve baffle and an air inlet, wherein the residential kitchen and bathroom composite inner frame fireproof exhaust passage takes the inner frame as a reference, the outer frame long plates are pasted on the periphery of the inner frame, the inner frame reinforcing plate is pasted at the intersection angle of the two outer frame long plates between the inner frames, the outer frame long plate I is pasted on one surface of the inner frame, the outer frame long plate II is pasted on the other three surfaces of the inner frame, a circular air inlet is arranged in the middle of the upper end of the outer frame long plate I, the guide oil storage air drying groove and the check valve baffle are arranged on the inner side of the. The utility model discloses simple structure, use safe and reliable, preparation convenience, durable.

The technical scheme discloses a composite exhaust passage, which solves the safety problem, and accessories are all made of industrial waste materials, inorganic non-metallic materials and color steel plates specially into fireproof prefabricated parts and are bonded and installed by using a binder. The composite exhaust passage can resist high temperature, does not crack and burn in a high-temperature working environment, and has good fireproof performance. But the exhaust passage is complex to manufacture and process and high in labor intensity.

Chinese patent literature (publication date: 7/18/2001, publication number: CN 2439585Y) discloses a metal spiral woven mesh plastic composite pipe, which solves the problem of strong corrosion resistance rigidity of engineering pipelines. The utility model is mainly characterized in that the utility model has an outer plastic pipe and an inner plastic pipe, the middle layer is a metal spiral woven mesh, the cross points are woven and welded, the three layers are combined into a whole, and the metal spiral woven mesh plastic composite pipe is formed. The composite material has the advantages of good mechanical property, good hydromechanical property, double-sided corrosion resistance, good heat insulation, light weight, convenient transportation and installation, no delamination, flexible corrosion resistance and pressure resistance, long service life and the like, can be automatically and continuously processed to produce pipes, and is widely applied to the fields of residential buildings, engineering buildings, petroleum, chemical industry, natural gas and urban water supply and drainage.

The technical scheme discloses a metal spiral woven mesh plastic composite pipe, which solves the problem of corrosion resistance and rigidity. The metal framework layer is formed by spirally winding and weaving the existing steel belt or steel wire in the market, and the structure is extremely inconvenient to operate, is not beneficial to mass production and has high production cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current house exhaust passage system and in long-term use, appear warping easily, the distortion, the bending scheduling problem of depth, and current exhaust passage can form certain joint gap between floor and floor, sealed effect is poor, can have phenomenons such as leaking the cigarette in the use, and provide the deformation that can effectively strengthen the body, distortion, the bending of depth and vertical bearing capacity, and simple to operate, joint gap can not appear, sealed effectual, the compound exhaust passage of house that the appearance is pleasing to the eye.

The utility model discloses realize that the technical scheme that its technical purpose adopted is: a residential composite exhaust stack comprising:

the inner exhaust duct is an inner channel for exhausting oil fume gas, and is a metal pipeline;

the outer exhaust air passage is arranged outside the inner exhaust air passage and used for fixing and forming an outer coating body of the composite exhaust air passage, and the outer exhaust air passage is a lightweight concrete pipeline; also comprises the following steps of (1) preparing,

the reinforcing piece is a component which is arranged on the outer exhaust passage and used for reinforcing the strength and the integrity of the inner exhaust passage and the outer exhaust passage;

the outer exhaust passage is integrally cast outside the inner exhaust passage and forms an integrated composite exhaust passage with the inner exhaust passage.

This compound exhaust passage of house, exhaust passage and a light concrete outer exhaust passage in through setting up a metal, both compounds and form the compound exhaust passage of integral type, such structure can effectively strengthen the deformation of exhaust pipe body, the distortion, the bending of depth and vertical bearing capacity, can also realize the optimization of exhaust passage simultaneously, prolong its life, guarantee the sealing performance of whole exhaust passage, because interior exhaust passage adopts metal pipeline, sealing performance is good, the cigarette phenomenon can not appear leaking, and metal pipeline exhausts effectually, and the outside adopts the light concrete pipeline, then be favorable to practicing thrift the cost, simultaneously can also easy to assemble, also wall body and floor realize being connected with the material, excellent in connection effect. More importantly, the composite exhaust passage made of different materials inside and outside is more suitable for the existing high-rise building, seamless butt joint between layers is easy to realize, and the composite exhaust passage is light and convenient to install, good in strength and good in using effect.

Preferably, the inner exhaust duct is a stainless steel spiral pipe body; the inner exhaust passage is a circular air passage. The inner exhaust passage adopts the stainless steel spiral pipe body, so that the deformation, distortion, deep bending and vertical bearing capacity of the integral exhaust pipe body can be effectively enhanced, and the phenomena of integral deformation, distortion, bending and the like of the composite exhaust passage in the use process can be avoided. And the inner exhaust passage is set to be a circular passage, so that the exhaust effect of the exhaust passage is better.

Preferably, the outer air discharge flue is a square pipe body cast by lightweight concrete. The outer air discharge passage is set as a lightweight concrete pouring square pipe body, so that the requirement of connection with the wall body and the floor slab by the same material can be met, the square pipe body is convenient to manufacture, and the square pipe body is convenient to place and install; the exhaust passage is compounded with the internal round pipe body into a compound exhaust passage with an internal round and an external square, and the overall structural design is more reasonable.

Preferably, both ends of the outer air discharge passage are provided with reducing structures. The diameter reducing structure is arranged to facilitate the connection between the composite exhaust ducts of the two houses.

Preferably, the reinforcing part comprises a depth reinforcing rib, a galvanized steel wire mesh sheet and a circumferential stirrup. The reinforcing piece is used for reinforcing the strength and integrity of the inner exhaust passage and the outer exhaust passage, and the arrangement of the deep reinforcing ribs can ensure the anti-twisting and bending capabilities of the composite exhaust passage in the vertical direction and improve the bearing capacity so as to reinforce the integral performance of the inner exhaust passage and the outer exhaust passage; the galvanized steel wire mesh sheet is arranged to further enhance the integrity of the composite exhaust passage, so that the strength of the outer exhaust passage is higher in the pouring process, the twisting resistance and the bending resistance are stronger, and the circumferential stirrups are used for increasing the circumferential strength of the composite exhaust passage.

Preferably, the deep reinforcing ribs are distributed around the outer air discharge passage along the axial direction.

Preferably, the galvanized steel wire mesh is buried outside the inner exhaust duct and is arranged inside the outer exhaust duct.

Preferably, the circumferential stirrup is fastened outside the outer exhaust duct along the circumferential direction of the outer exhaust duct.

The structure effectively improves the overall performance of the composite exhaust passage, and has higher bearing capacity, and stronger anti-twisting and bending capabilities.

Preferably, an inner hollow cavity is axially distributed in the outer air discharge passage, and two ends of the inner hollow cavity are provided with sealing covers. The setting of interior cavity is in order to alleviate the whole weight of compound exhaust passage, can effectively practice thrift lightweight concrete material simultaneously.

The utility model has the advantages that: this compound exhaust passage of house, because interior exhaust passage adopts metal pipeline, sealing performance is good, the cigarette phenomenon can not appear leaking, and metal pipeline exhaust effect is good moreover, and the outside adopts lightweight concrete pipeline, then is favorable to practicing thrift the cost, can also easy to assemble simultaneously, has realized wall body and floor and exhaust passage and has connected with the material, and the connection effect is good. More importantly, the composite exhaust passage made of different materials inside and outside is more suitable for the existing high-rise building, the seamless butt joint between layers is easy to realize, the installation is light, the strength is good, and the using effect is good.

Drawings

FIG. 1 is a schematic structural diagram of a composite exhaust passage for a residence according to the present invention;

FIG. 2 is a schematic end view of the composite exhaust duct of the housing of the present invention;

FIG. 3 is a partial perspective view of the residential composite exhaust duct of the present invention;

FIG. 4 is a schematic structural view of the inner air discharge duct of the present invention;

FIG. 5 is an enlarged sectional view taken at A in FIG. 4;

FIG. 6 is a schematic view of an installation structure of the composite exhaust passage for a house according to the present invention;

FIG. 7 is a schematic structural view of the inner ferrule for tube connection according to the present invention;

fig. 8 is a schematic structural view of the telescopic hoop of the flange of the present invention;

in the figure: 1. interior air exhaust way, 2, outer air exhaust way, 3, reinforcement, 4, deep strengthening rib, 5, galvanized steel wire net piece, 6, circumference stirrup, 7, the interior cavity body, 8, the closing cap, 9, the compound exhaust passage of bottom, 10, the wall body, 11, concrete floor, 12, the shutoff basic unit is pour to the cavity, 13, the interior hoop is connected to the body, 14, the compound exhaust passage of upper strata, 15, the flexible staple bolt of flange, 16, the shutoff body, 17, sealing coating, 18, fire-retardant layer of fire prevention, 19, the undergauge structure, 20, concatenation interlock structure, 21, waterproof agent.

Detailed Description

The technical solution of the present invention will be further described in detail by the following embodiments with reference to the accompanying drawings.

Example 1:

in the embodiment shown in fig. 1 and 2, a residential composite exhaust duct comprises:

the inner exhaust duct 1 is an inner channel for exhausting oil fume gas, and the inner exhaust duct 1 is a metal pipeline; the inner exhaust duct 1 is a stainless steel spiral pipe body; the inner exhaust duct 1 is a circular air duct;

the outer exhaust air passage 2 is arranged outside the inner exhaust passage 1 and used for fixing and forming an outer coating body of the composite exhaust passage, and the outer exhaust air passage 2 is a lightweight concrete pipeline; the outer exhaust air flue 2 is a light concrete pouring square pipe body; both ends of the outer air discharge passage 2 are provided with reducing structures 19; also comprises the following steps of (1) preparing,

the reinforcing piece 3 is a component which is arranged on the outer exhaust passage 2 and is used for reinforcing the strength and the integrity of the inner exhaust passage 1 and the outer exhaust passage 2;

the outer exhaust flue 2 is integrally cast outside the inner exhaust flue 1 and forms an integrated composite exhaust flue with the inner exhaust flue 1.

The reinforcement 3 comprises a depth reinforcing rib 4, a galvanized steel wire mesh 5 and a circumferential stirrup 6. The deep reinforcing ribs 4 are distributed around along the axial direction of the outer exhaust flue 2; the galvanized steel wire mesh 5 is embedded outside the inner exhaust passage 1 and is arranged inside the outer exhaust passage 2; and the circumferential stirrups 6 are fastened outside the outer exhaust passage 2 along the circumferential direction of the outer exhaust passage 2.

An inner cavity body 7 is axially distributed inside the outer air discharge passage 2, and two ends of the inner cavity body 7 are provided with sealing covers 8.

In the embodiment, the diameter of the inner air exhaust duct 1 can be selected according to the building design requirements, the circular air exhaust duct is adopted to lead the air exhaust to be more smooth, the smoke retention phenomenon can not occur, the outer exhaust flue 2 is arranged to be square, so that the composite exhaust flue is more convenient to manufacture, install and place, and the problem of smoke leakage caused by the fact that a single concrete flue is easy to bend, deform and crack is effectively solved by adopting the composite exhaust flue with the inner circle and the outer square and arranging different materials, when the composite exhaust passage is manufactured, as shown in fig. 4 and 5, the inner exhaust passage 1 is a threaded pipe body formed by the stainless steel plate belt through mechanical spiral splicing and meshing, an inner spiral and an outer spiral are formed at the splicing and meshing structure 20, circular pipes with different diameters can be manufactured to meet the installation requirements of different buildings, and the inner circle adopts a stainless steel spiral pipe body, so that the deformation, distortion, deep bending and vertical bearing capacity of the pipe body can be effectively enhanced; and outer air flue 2 is when pouring, at first place interior exhaust duct 1 in pouring mould center department, including round stainless steel spiral pipe body be in the periphery parcel one deck galvanized steel wire net piece 5 of air flue outside mould, in square mould's outside four corners, place four phi 4.0's deep strengthening rib 4 along axial depth, place phi 4.0 circumference stirrup 6 at the both ends and the intermediate position of mould, simultaneously, set up four interior round hollow tubes in the outside four corners of round stainless steel spiral pipe body, then carry out the pouring of outer air flue 2 of lightweight concrete, during the preparation mould, the hole size at mould both ends slightly is less than the size of middle part, generally use indentation 3cm as preferred scheme. After demoulding and forming, the inner exhaust passage 1 and the outer exhaust passage 2 form an integrated composite exhaust passage, at the moment, as shown in figure 3, four inner cavity bodies 7 are formed at the inner round hollow pipe, the weight of the pipe body can be reduced and the raw material of light concrete can be saved due to the arrangement of the four inner cavity bodies 7, and two ends of the four inner cavity bodies 7 extend into 5cm plugs to form a sealing cover 8, so that the integrity of the appearance of the composite exhaust passage is realized; the lightweight concrete at the two ends of the pipe body of the outer exhaust air passage 2 is retracted into the pipe body by 3cm respectively to form a reducing structure 19, so that the flange telescopic hoop is convenient to fix during installation; the integrity of the lightweight concrete and the inner circle stainless steel spiral pipe body can be enhanced by the arrangement of the deep reinforcing ribs 4, the galvanized steel wire mesh sheets 5 and the circumferential stirrups 6.

As shown in fig. 6, the method for installing the composite exhaust duct of the house comprises the following steps:

s1, mounting a bottom composite exhaust passage 9, namely vertically arranging an integrated composite exhaust passage formed by compounding an inner exhaust passage 1 and an outer exhaust passage 2 at an exhaust passage mounting position reserved between a wall 10 and a concrete floor 11, and fixing the composite exhaust passage;

s2, erecting a formwork for the cavity at the joint of the bottom composite exhaust passage 9 and the concrete floor 11 after installation in the step 1, and performing primary cavity pouring and plugging by using fast-setting concrete to form a cavity pouring and plugging base layer 12;

s3, installing a pipe body connecting inner hoop 13 in the inner exhaust passage 1 at the upper end of the bottom composite exhaust passage 9, inserting one end of the pipe body connecting inner hoop 13 into the inner exhaust passage 1 to be connected with the inner wall of the inner exhaust passage 1 in a sealing way, and extending the other end of the pipe body connecting inner hoop outside the bottom composite exhaust passage 9;

s4, butting the upper-layer composite exhaust passage 14, hanging another composite exhaust passage, inserting the lower end of the composite exhaust passage to the upper end of a pipe body connecting inner hoop 13 on the bottom composite exhaust passage 9, connecting the pipe body connecting inner hoop 13 with the inner wall of the inner exhaust passage of the upper-layer composite exhaust passage in a sealing manner, and fixing the upper-layer composite exhaust passage 14; a flange telescopic hoop 15 is arranged outside the pipe body connecting inner hoop 13 at the butt joint of the two composite exhaust passages;

s5, coating a layer of waterproof agent 21 on the outer wall of the flange telescopic hoop 15 and the side surface of the concrete floor slab;

s6, secondary cavity pouring and plugging, wherein secondary pouring and plugging are carried out on the flange telescopic anchor ear 15 at the joint of the upper composite exhaust passage and the lower composite exhaust passage on the cavity pouring and plugging base layer 12 of the primary cavity pouring and plugging to form a plugging body 16, so that multi-sealing treatment of the joint of the composite exhaust passages is realized;

and S6, repeating the steps, and installing the composite exhaust passage layer by layer upwards until the whole installation of the building exhaust passage is finished.

In the step 2, the casting thickness of the first cavity casting plugging is 4-5 cm, and the first cavity casting plugging is cast at the diameter reducing structure 19 of the composite exhaust passage.

In step 3, before the inner pipe body connecting ferrule is placed, a sealing coating 17 is first applied to the outer wall of the inner pipe body connecting ferrule 13 (see fig. 7).

In step 4, the inner wall of the flange telescopic hoop is provided with a fireproof flame-retardant layer 18 (see fig. 8).

This installation method of compound exhaust passage of house, the operation is extremely convenient, labour saving and time saving, and the installation effect is good moreover, can not appear the joint gap, the phenomenon that the flue gas leaked more can not appear, and water-proof effects is good, and the cavity department adopts rapid hardening concrete placement firm in installation, can realize seamless butt joint, adopts the mode of reinforcing layer upon layer moreover, and the problem of body junction smoke leakage can effectively be guaranteed in the multiple treatment.

The above embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto. All equivalent changes made according to the shape and structure of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A residential composite exhaust duct, comprising:

the inner exhaust duct (1) is an inner passage for exhausting oil fume gas, and the inner exhaust duct (1) is a metal pipeline;

the outer exhaust air passage (2) is arranged outside the inner exhaust passage (1) and is used for fixing and forming an outer coating body of the composite exhaust passage, and the outer exhaust air passage (2) is a lightweight concrete pipeline; also comprises the following steps of (1) preparing,

the reinforcing piece (3) is a component which is arranged on the outer exhaust passage (2) and is used for reinforcing the strength and the integrity of the inner exhaust passage (1) and the outer exhaust passage (2);

the outer exhaust air passage (2) is integrally cast outside the inner exhaust air passage (1) and forms an integral composite exhaust air passage together with the inner exhaust air passage (1).

2. The residential composite exhaust duct according to claim 1, wherein: the inner exhaust duct (1) is a stainless steel spiral tube body; the inner exhaust duct (1) is a circular air duct.

3. The residential composite exhaust duct according to claim 1, wherein: the outer air discharge flue (2) is a square pipe body poured by lightweight concrete.

4. The residential composite exhaust duct according to claim 1, wherein: and reducing structures (19) are arranged at two ends of the outer exhaust flue (2).

5. The residential composite exhaust duct according to claim 1, wherein: the reinforcing piece (3) comprises a depth reinforcing rib (4), a galvanized steel wire mesh (5) and a circumferential stirrup (6).

6. The residential composite exhaust duct according to claim 5, wherein: the deep reinforcing ribs (4) are arranged around along the axial direction of the outer air discharge passage (2).

7. The residential composite exhaust duct according to claim 5, wherein: the galvanized steel wire mesh (5) is embedded outside the inner exhaust duct (1) and is arranged inside the outer exhaust duct (2).

8. The residential composite exhaust duct according to claim 5, wherein: the circumferential stirrups (6) are fastened on the outer exhaust duct (2) along the circumferential direction of the outer exhaust duct.

9. The residential composite exhaust duct according to any one of claims 1 to 8, characterized in that: an inner cavity body (7) is axially distributed in the outer air discharge passage (2), and two ends of the inner cavity body (7) are provided with sealing covers (8).

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