CN101832012B - High-strength splicing fireproof exhaust gas flue - Google Patents
High-strength splicing fireproof exhaust gas flue Download PDFInfo
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- CN101832012B CN101832012B CN 201010042083 CN201010042083A CN101832012B CN 101832012 B CN101832012 B CN 101832012B CN 201010042083 CN201010042083 CN 201010042083 CN 201010042083 A CN201010042083 A CN 201010042083A CN 101832012 B CN101832012 B CN 101832012B
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- flue
- exhaust gas
- gas flue
- valve
- valve seat
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Abstract
The invention provides a high-strength splicing fireproof exhaust gas flue. fireproof plates are connected, spliced and encircled into a pipeline structure, supporting rings are respectively fixed at a certain interval at the inner side and/or the outer side of the exhaust gas flue from top to bottom in the direction of a cross section, and reinforcing ribs, bearing supporting structures and the like are reasonably designed. And therefore, the standardized mass production can be realized conveniently, the quality of the gas flue is ensured fully, the weight of the gas flue is lowered, and the transportation and the mounting become convenient. The invention effectively solves the problems of gas intrusion and odor tainting by arranging a siphon negative-pressure check valve at the air inlet of the gas flue and fully ensures the mounting firmness degree and ensures the effective closing function of a valve plate to a gas opening by further adopting an internal fixed fireproof valve.
Description
Technical field
The present invention relates to the architecture pipe structure design, be specifically related to a kind of building, especially the public exhaust gas flue structure of dwelling house, block of flats.
Background technology
In buildings such as dwelling house, block of flats; All need design public exhaust gas flue; The fume exhausting fan pipeline at each family, washroom stack all are to be communicated with public exhaust gas flue through connecting pipeline, flue gas is concentrated by the smoke vent opening at top through public exhaust gas flue discharged.
The present public exhaust gas flue that uses basically all is that the employing ordinary Portland cement is prefabricated, the scene pouring is perhaps cut with the on-the-spot block of brick and formed; And the smoke exhaust ventilator flue gas exhaust pipeline of the access each household of exhaust gas flue enter flue gas mouth place, existing structure normally reaches the purpose that the flue gas that prevents in the gas flue pours in down a chimney and Avoids Tainting advancing flue gas mouth arranged outside one way valve; In addition, the fire resisting damper that the exhaust gas flue of existing structure is provided with in the inboard of advancing the flue gas mouth normally is combined into one with the one way valve of outside, and flue gas mouth is inboard not to be fixed with the gas flue wall advancing for it, and all there is following problem in these form of structure:
For adopting prefabricated, the on-the-spot pouring of ordinary Portland cement or building the gas flue structure of cutting with the brick scene; Production technology is difficult to reach codes and standards, and product quality is difficult to effective control, and they take to make by hand basically; The wall thickness of gas flue can't guarantee unanimity, is not easy to form mass production; The public exhaust gas flue that makes is not only heavy but also shaky, makes troubles for carrying and installation; The gas flue inner wall coarse, service time one is of a specified duration, and greasy dirt is deposited on the inwall, easily initiation fire.
On the existing exhaust gas flue prevent that flue gas in the gas flue from pouring in down a chimney and the check valve structure that Avoids Tainting after using certain hour since at the one way valve place greasy dirt pile up to cause and be not closed completely, can occur still preventing that the interior flue gas of gas flue from pouring in down a chimney the phenomenon with taint of odour.
And that the installation position appears in the fire resisting damper of existing structure easily is insecure and the close phenomenon that is not closed completely when causing preventing fires influences flameproof effect.
Summary of the invention
The objective of the invention is to problem, propose a kind of high-strength splicing fireproof gas flue to the prior art existence.
Technical scheme of the present invention is following:
The cross section of the high-strength splicing fireproof gas flue that the present invention proposes is square, rectangle, polygon or other abnormal shape; It is characterized in that: each face of said exhaust gas flue adopts high-strength fire-retardant sheet material, and each face is met and connected assembly unit and be encircled into channel design; In the inboard of gas flue or the outside keep at a certain distance away from the top down and be fixed with bracing ring respectively along cross-sectional direction.The exhaust gas flue of said structure changes present concrete prefabricated or brickwork construction into the high-strength panel splicing structure; High-strength fire-retardant sheet material is the sheet forming that large-scale production is come out; Form the gas flue structure with its assembly unit; Can be implemented in factory and carry out the standardization batch process, and alleviate the weight of gas flue greatly, convenient transportation and installation by specification.Through spacing fixing inboard or lateral branch support ring, can guarantee the firm, rational in infrastructure of splicing structure, make simple.
Further, be fixed with L type stiffener respectively, wrap each angle respectively in the outside at each angle of said gas flue, said stiffener on each angle from the top to the low side a fixing whole piece, or from the top to the low side, be interrupted fixing many.Perhaps, in said exhaust gas flue, be provided with reinforcing rib or tension bar, the inboard at each angle that said reinforcing rib is fixed on, the cross section of reinforcing rib is L type, triangle, center one side is an arc or square in the flue gas duct; Said tension bar is connected between two sides at each angle of exhaust gas flue, or is connected between two relative faces of exhaust gas flue.These structures can realize effective sealing of gas flue and further reinforcing are improved the quality of gas flue.
The installation of gas flue for ease; Alleviate the compression weight of upper strata gas flue to the bottom gas flue; Omiting on the top in the lower end of said exhaust gas flue, crosswise fixed has the load-bearing support bar; The termination of said load-bearing support bar is stretched out one section outside the sidewall of exhaust gas flue, is supported on the floor of installation place or inserts in the outer body of wall of gas flue sidewall, during installation gas flue lower end aligned floor is reserved hole and inserts down; Be supported on the floor and through the load-bearing support bar and be in the body of wall preformed hole of horizontal level with floor; The joint of gas flue lower end just in time falls into the floor reserving hole, and gas flue directly inserts the floor reserving hole from floor reserving hole below downstairs, docks with it to get final product.The weight of upper smoke air flue has just dropped on floor and the wall like this, and does not impose on the bottom gas flue, more helps guaranteeing the quality of gas flue.
According to the actual load-bearing needs of gas flue, said load-bearing support bar can laterally run through in exhaust gas flue and is provided with one, perhaps on same horizontal plane, laterally arranges many.
Further; The flue gas mouth place of advancing at the flue gas exhaust pipeline of the smoke exhaust ventilator of the access each household of said exhaust gas flue or washroom is provided with siphon suction type flap valve; Said siphon suction type flap valve comprises unidirectional unpowered exhaust fan and one way valve, and said unidirectional unpowered exhaust fan is installed in into the flue gas mouth and is positioned at the inboard one side of flue gas exhaust pipeline, over against advancing the flue gas mouth; It is to be the location status installation that turns clockwise back to advancing the flue gas mouth; Along with the air-flow that rises, advance the flue gas mouth back to gas flue and be and turn clockwise, to go out to produce negative pressure at smoke vent opening; Said one way valve is installed in into the flue gas mouth and is positioned at flue gas exhaust pipeline outside one side, and its valve block opening direction is installed towards exhaust gas flue one side.The setting of siphon suction type flap valve here; Be the power that utilizes the flue gas that rises in the gas flue; Drive the inboard exhaust fan of flue gas mouth; Rotated by exhaust fan, the locus between it and one way valve produces negative pressure, stop thus in the gas flue pour in down a chimney air-flow and taste pours in down a chimney to the indoor of resident family through one way valve by advancing the flue gas mouth.Certainly, because the mobilization dynamic of the flue gas in the gas flue is limited, it can be greater than the smoke evacuation power of the indoor smoke exhaust ventilator of resident family, and therefore when resident family used the smoke exhaust ventilator smoke evacuation, its power still can be with the one-way valve opens of entering flue gas mouth place, smoke evacuation smoothly.This is simple in structure effectively, can very well solve flue gas and pour in down a chimney and the taint of odour problem.
Advance the flue gas mouth and be positioned at the inboard one side of flue gas exhaust pipeline fire resisting damper also is installed said, said fire resisting damper includes valve seat, valve plate and fusible link; Said valve seat is a framework; Be installed in the flue gas exhaust pipeline medial surface, will advance flue gas mouth frame in it, there is guide chute the both sides of valve seat; Valve plate is assemblied in the valve seat through the guide chute of valve seat both sides; The valve plate top is articulated in through fusible link on the rivet of valve seat upper end or exhaust gas flue inside wall, and limited position, valve seat bottom groove is admitted the valve plate that firmly slides; When valve plate articulated be fusible link by when fusing, the valve plate bottom is in and is higher than the into position of flue gas mouth upper edge, when the glide stopper slot that falls into the valve seat bottom of valve plate is a fusible link when being fused, valve plate blocks into flue gas mouth fully.It doesn't matter for install and fix and the parts that enter the flue gas mouth outside of this fire-proof valve structure, and it is directly to be fixed on the gas flue inboard, can fully guarantee the firm degree of its installation like this, and guarantee that valve plate is to advancing effectively closing of flue gas mouth.
Install for ease, can also the unpowered unidirectional exhaust fan of siphon suction type flap valve be contained on the valve seat of fire resisting damper through groups of holders.
In sum, the present invention has following significant advantage:
1, adopt the sheet material assembly unit to constitute exhaust gas flue; Make things convenient for standardization, mass production, guarantee that particularly the wall thickness of gas flue is consistent, this is that traditional-handwork presets gas flue production and can't accomplish; Fully guarantee the quality of gas flue; Alleviate gas flue weight, convenient transportation and installation reduce potential safety hazards such as greasy dirt adheres to.
2, the gas flue to assembly unit carries out reasonable, resultful structure reinforcement, can fully guarantee the quality of gas flue, increases the anti-intensity of carrying.
3, design load-bearing braced structures on gas flue can alleviate the weight between the gas flue up and down, and convenient the installation guarantees the gas flue quality.
4, adopting siphon suction type flap valve can effectively solve flue gas pours in down a chimney and the taint of odour problem.
5, adopt the inner-fixing fire resisting damper, can fully guarantee the firm degree of its installation, and guarantee that valve plate is to advancing effectively closing of flue gas mouth.
Description of drawings
Fig. 1 is the sketch map (perspective state) of a kind of form of structure of this exhaust gas flue;
Fig. 2 is the sketch map (non-perspective state) of the another kind of form of structure of this exhaust gas flue;
Fig. 3 be this exhaust gas flue lower end install the load-bearing support bar with in the structural representation of tension bar is set;
Fig. 4 is the cross-sectional view that the load-bearing support bar is installed in this exhaust gas flue lower end;
Fig. 5 is the cross-sectional view that tension bar formula reinforcing rib is set in this exhaust gas flue;
Fig. 6 is the structural representation that siphon suction type flap valve and fire resisting damper are installed by flue gas mouth place that advances of gas flue;
Fig. 7 is from advancing the sketch map that side direction is seen in the flue gas mouth.
The specific embodiment
Specify structure of the present invention below in conjunction with accompanying drawing:
Referring to Fig. 1, this high-strength splicing fireproof exhaust gas flue is to adopt the high-strength fire-retardant plate to connect assembly unit, the square duct structure that is encircled into (also can be rectangle or other abnormal shape).Keeping at a certain distance away from the top down is fixed with bracing ring 2 respectively along cross-sectional direction in the inboard of gas flue (like Fig. 2 also can be in the outside, and the perhaps interior outside all has).The outside at each angle of exhaust gas flue is fixed with L type stiffener 3 respectively, wraps each angle respectively, this stiffener on each angle from the top to the low side a fixing whole piece, or from the top to the low side, be interrupted fixing many.
Referring to Fig. 2, in exhaust gas flue, reinforcing rib 4 can also be set, the inboard at each angle that reinforcing rib 4 is fixed on, cross section is the L type, also can be triangle square or in the flue gas duct center one side be arc etc.
Referring to Fig. 3 and Fig. 4, can also adopt tension bar 6 be connected exhaust gas flue relative two faces between (also can be connected between two sides at each angle of exhaust gas flue), play booster action.
Referring to Fig. 3 and Fig. 5, slightly laterally run through to be fixed with load-bearing support bar 5 on the top in the lower end of exhaust gas flue 1, the termination of said load-bearing support bar 5 is stretched out one section outside the sidewall of exhaust gas flue, and load-bearing support bar 5 is arranged with two in parallel on same horizontal plane.When exhaust gas flue is installed; Be supported on the floor of installation place or insert in the outer body of wall of gas flue sidewall; During installation gas flue lower end aligned floor is reserved hole and insert down, be supported on the floor and be in the body of wall preformed hole of horizontal level with floor through the load-bearing support bar, the joint of gas flue lower end just in time falls into the floor reserving hole; Gas flue directly inserts the floor reserving hole from floor reserving hole below downstairs, docks with it to get final product.
Referring to Fig. 6 and Fig. 7; Flue gas mouth 8 places of advancing at the smoke exhaust ventilator flue gas exhaust pipeline of the access each household of exhaust gas flue 1 are provided with siphon suction type flap valve, and this siphon suction type flap valve comprises unidirectional unpowered exhaust fan 7 and one way valve 11, and what this unidirectional unpowered exhaust fan 7 was installed in flue gas mouth 8 into is positioned at exhaust gas flue 1 inboard one side; Be contained in through groups of holders on the valve seat 103 of fire resisting damper 10; Over against advancing flue gas mouth 8, it is along with the air-flow that rises, and advances the flue gas mouth back to gas flue and is and turns clockwise.11 on one way valve is installed in into flue gas mouth 8 and is positioned at exhaust gas flue 1 outside one side, and its valve block 9 opening directions are towards exhaust gas flue one side.
Be positioned at the inboard one side of flue gas exhaust pipeline fire resisting damper 10 also is installed advancing flue gas mouth 8; This fire resisting damper 10 includes valve seat 103, valve plate 101 and fusible link 102, and valve seat 103 is a framework, is installed in the medial surface of exhaust gas flue 1 through the journal stirrup of both sides; To advance flue gas mouth 8 frames in it; There is guide chute the both sides of valve seat 103, and valve plate 101 is assemblied in the valve seat 103 through the guide chute of valve seat both sides, and valve plate 101 tops are articulated on the rivet of valve seat 103 upper ends or exhaust gas flue inside wall through fusible link 102; Stopper slot is arranged at valve seat 103 bottoms, admits the valve plate 101 that firmly slides.
Claims (3)
1. high-strength splicing fireproof exhaust gas flue, said exhaust gas flue cross section is a polygon; It is characterized in that: each face of said exhaust gas flue adopts PLASTIC LAMINATED, is connected assembly unit between face and the face and is encircled into pipeline configuration; In the inboard of exhaust gas flue and/or the outside keep at a certain distance away from the top down and be fixed with bracing ring respectively along cross-sectional direction;
Crosswise fixed has the load-bearing support bar on the top in the lower end of said exhaust gas flue, and the termination of said load-bearing support bar is stretched out one section outside the sidewall of exhaust gas flue, is supported on the floor of installation place or inserts in the outer body of wall of gas flue sidewall; Said load-bearing support bar laterally runs through in exhaust gas flue and is provided with one, perhaps on same horizontal plane, is provided with many;
The flue gas mouth place of advancing at the exhaust gas flue of the smoke exhaust ventilator of the access each household of said exhaust gas flue or washroom is provided with siphon suction type flap valve; Said siphon suction type flap valve comprises unidirectional unpowered exhaust fan and one way valve; Said unidirectional unpowered exhaust fan is installed in the inboard one side of exhaust gas flue; Over against advancing the flue gas mouth, to advance flue gas mouth place generation negative pressure; Said one way valve is installed in into the flue gas mouth and is positioned at exhaust gas flue outside one side, and its valve block opening direction is towards exhaust gas flue;
Advance the flue gas mouth and be positioned at the inboard one side of exhaust gas flue fire resisting damper also is installed said, said fire resisting damper includes valve seat, valve plate and fusible link; Said valve seat is a framework; Be installed in the exhaust gas flue medial surface, will advance flue gas mouth frame in it, there is guide chute the both sides of valve seat; Valve plate is assemblied in the valve seat through the guide chute of valve seat both sides; The valve plate top is articulated in through fusible link on the rivet of valve seat upper end or exhaust gas flue inside wall, and limited position, valve seat bottom groove is admitted the valve plate that firmly slides; When valve plate is articulated, when promptly fusible link was by fusing, the valve plate bottom was in and is higher than the into position of flue gas mouth upper edge, fell into the stopper slot of valve seat bottom when valve plate glides, and when promptly fusible link was fused, valve plate fully then blocked into flue gas mouth.
2. high-strength splicing fireproof exhaust gas flue according to claim 1 is characterized in that: the outside at each angle of said exhaust gas flue is fixed with L type stiffener respectively, wraps each angle respectively; Said stiffener is fixed a whole piece from the top to the bottom on each angle, or from the top to the bottom, be interrupted fixing many.
3. high-strength splicing fireproof exhaust gas flue according to claim 2 is characterized in that: the exhaust fan of said siphon suction type flap valve is contained on the valve seat of fire resisting damper through groups of holders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010042083 CN101832012B (en) | 2010-01-18 | 2010-01-18 | High-strength splicing fireproof exhaust gas flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010042083 CN101832012B (en) | 2010-01-18 | 2010-01-18 | High-strength splicing fireproof exhaust gas flue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101832012A CN101832012A (en) | 2010-09-15 |
| CN101832012B true CN101832012B (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010042083 Expired - Fee Related CN101832012B (en) | 2010-01-18 | 2010-01-18 | High-strength splicing fireproof exhaust gas flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101832012B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749429B (en) * | 2020-07-05 | 2021-08-17 | 胡俏俊 | Piping shaft convenient to assembly |
| CN113982181B (en) * | 2021-10-08 | 2022-11-08 | 江阴市维沃保温材料有限公司 | Double-sided color steel inorganic silicon crystal smoke-preventing and exhaust air pipe plate and processing technology thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000193230A (en) * | 1998-12-25 | 2000-07-14 | Mitsubishi Heavy Ind Ltd | Corner joint for flue made of frp and face plate for flue |
| CN2490385Y (en) * | 2000-11-10 | 2002-05-08 | 涪陵区仁和轻型建材有限责任公司 | Assembled ventilation pipe |
| CN2769702Y (en) * | 2004-08-12 | 2006-04-05 | 顾颐 | Variable pressure type fumes and oil contamination central discharge flue |
| CN201241458Y (en) * | 2008-07-01 | 2009-05-20 | 刘文刚 | Combined type ventilating pipeline |
| CN201343859Y (en) * | 2009-01-14 | 2009-11-11 | 赵金利 | Modular assembly pressure changing air duct |
| CN101603363A (en) * | 2009-07-02 | 2009-12-16 | 孙叶柱 | The interior support and the job practices thereof in a kind of cigarette air channel |
-
2010
- 2010-01-18 CN CN 201010042083 patent/CN101832012B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000193230A (en) * | 1998-12-25 | 2000-07-14 | Mitsubishi Heavy Ind Ltd | Corner joint for flue made of frp and face plate for flue |
| CN2490385Y (en) * | 2000-11-10 | 2002-05-08 | 涪陵区仁和轻型建材有限责任公司 | Assembled ventilation pipe |
| CN2769702Y (en) * | 2004-08-12 | 2006-04-05 | 顾颐 | Variable pressure type fumes and oil contamination central discharge flue |
| CN201241458Y (en) * | 2008-07-01 | 2009-05-20 | 刘文刚 | Combined type ventilating pipeline |
| CN201343859Y (en) * | 2009-01-14 | 2009-11-11 | 赵金利 | Modular assembly pressure changing air duct |
| CN101603363A (en) * | 2009-07-02 | 2009-12-16 | 孙叶柱 | The interior support and the job practices thereof in a kind of cigarette air channel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101832012A (en) | 2010-09-15 |
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Granted publication date: 20121212 Termination date: 20140118 |