CN102392912B - Smoke and fire damper - Google Patents
Smoke and fire damper Download PDFInfo
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- CN102392912B CN102392912B CN 201110350702 CN201110350702A CN102392912B CN 102392912 B CN102392912 B CN 102392912B CN 201110350702 CN201110350702 CN 201110350702 CN 201110350702 A CN201110350702 A CN 201110350702A CN 102392912 B CN102392912 B CN 102392912B
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- blade
- fire
- valve body
- high temperature
- temperature resistant
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Abstract
The invention relates to a smoke and fire damper which comprises a damper body, wherein the damper body is provided with a control device; the control device is provided with a temperature fuse; a top frame and a bottom frame in the damper body is respectively provided with a blade fixing groove; a blade shaft sleeve and a blade shaft are arranged on each of the blade fixing grooves; blades are arranged on the blade shaft, and all the blades are connected with each other through a blade link; wind-blocking strips are respectively arranged on an Left frame and a right frame in the damper body;wind-baffling strips matched with the blades in shape are arranged on the blade fixing grooves; and fireproof sealing strips are arranged at closed edges of the blades. According to the invention, the wind-baffling strips and the fireproof sealing strips can be used for effectively substantially reducing the air leakage quantity of the smoke and fire damper, and improving the smoke blocking and fire retardant performance of the smoke and fire damper.
Description
Technical field
The present invention relates to a kind of smoke evacuation fire-closing valve.
Background technique
At present, general fire-protection valve all is to be welded after by shaping operation by Q235 iron plate.During production, on having technology, require also to have the problem that easily produces thermal distortion because of welding processing, thereby bring very big difficulty of processing for the workman who makes product the planeness of iron plate is good after the shaping operation the problem.Existing smoke evacuation fire-closing valve is not often because the flatness of processing back iron plate reaches technological requirement, causes can not the be up to state standards requirement of GB15931-1995 and GB16807-2009 regulation of the inleakage of fire-protection valve.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of fire-protection valve inleakage few, every the effective smoke evacuation fire-closing valve of cigarette back-fire relief.
The technical solution adopted for the present invention to solve the technical problems is: a kind of smoke evacuation fire-closing valve, comprise valve body, described valve body is provided with control gear, described control gear is provided with temperature fuse, be respectively equipped with the vanes fixed groove on top frame in the described valve body and the underframe, described vanes fixed groove is provided with blade axle sleeve and sharf, described sharf is provided with blade, all blade pass are crossed the blade connecting rod and are linked to each other, be respectively equipped with weather strip on left frame in the described valve body and the right frame, described vanes fixed groove is provided with the choke bar that matches with blade shape, and the closure edge of described blade is provided with the fire proof seal bar.
Further, described choke bar is the rectangular bars that an end has 44 °-46 ° (preferred 45 °) slopes.
Further, described fire proof seal bar is made of fire protection layer and dried heatproof glue-line.
Preferably prevent fires expander, high temperature resistant heat insulation cotton of described fire protection layer is bonded by high temperature resistant adhesive glue; Preferred 1.5: 1: 1 of the mass ratio of fire prevention expander, high temperature resistant heat insulation cotton and high temperature resistant adhesive glue.
The present invention's smoke evacuation fire-closing valve by the choke bar that matches with blade shape being set at the vanes fixed groove and in the closure edge of blade the fire proof seal bar being set, greatly reduces the inleakage of fire-protection valve, and is effective every the cigarette back-fire relief.Through the check of national fire-proof construction material quality supervision and test center, reach the requirement of GB15931-1995 and GB16807-2009 regulation.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 analyses and observe enlarged diagram for A-A portion embodiment illustrated in fig. 1;
Fig. 3 is the B portion enlarged diagram of blade shown in Figure 2;
Fig. 4 is the structure enlarged diagram of choke bar shown in Figure 2;
Fig. 5 is the structure enlarged diagram of fire proof seal bar shown in Figure 2.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
With reference to 1-3, the smoke evacuation fire-closing valve of present embodiment, comprise valve body 1, described valve body 1 is provided with control gear 2, described control gear 2 is provided with temperature fuse 3, top frame in the described valve body 1 is provided with vanes fixed groove I 4-1, underframe in the described valve body 1 is provided with vanes fixed groove II 4-2, described vanes fixed groove I 4-1 is provided with sharf copper sheathing I 5-1, sharf copper sheathing II 5-2, sharf I 6-1 and sharf II 6-2, described sharf I 6-1 links to each other with control gear 2, described vanes fixed groove II 4-2 is provided with sharf copper sheathing III 5-3, sharf copper sheathing IV 5-4, sharf III 6-3 and sharf IV 6-4, be provided with blade I 7-1 between described sharf I 6-1 and the sharf III 6-3, be provided with blade II 7-2 between described sharf II 6-2 and the sharf IV 6-4, described blade I 7-1 links to each other by blade connecting rod 8 with blade II 7-2, the left frame of described valve body 1 is provided with weather strip I 9-1, the right frame of described valve body 1 is provided with weather strip II 9-2, described vanes fixed groove I 4-1 is provided with and blade I 7-1, the choke bar I 10-1 that blade II 7-2 shape matches, choke bar II 10-2, choke bar III 10-3 and choke bar IV 10-4, described vanes fixed groove II 4-2 is provided with and blade I 7-1, the choke bar V 10-5 that blade II 7-2 shape matches, choke bar VI 10-6, choke bar VII 10-7 and choke bar VIII 10-8, the closure edge of described blade I 7-1 is provided with fire proof seal bar I 11-1 and fire proof seal bar II 11-2, and the closure edge of described blade II 7-2 is provided with fire proof seal bar III 11-3.
Described choke bar I 10-1, choke bar II 10-2, choke bar III 10-3, choke bar IV 10-4, choke bar V 10-5, choke bar VI 10-6, choke bar VII 10-7 and choke bar VIII 10-8 are an end and have rectangular of 45 ° of slopes, structure as shown in Figure 4, its base A is 6.09:1 with the ratio of angle limit B, base A is 4.47:1 with the ratio of width edge C, width edge C is 10:1 with the ratio of thickness D, shown in the choke bar do raw material by the Q195 cold-reduced sheet, be stamped to form by high-accuracy mould, be welded on vanes fixed groove I 4-1 and the vanes fixed groove II 4-2, play the choke effect.
The structure of described fire proof seal bar I 11-1, fire proof seal bar II 11-2, fire proof seal bar III 11-3 with form identical, constitute by fire protection layer 12 and dried heatproof glue-line 13, as shown in Figure 5, described fire protection layer 12 is bonded by high temperature resistant adhesive glue by fire prevention expander, high temperature resistant heat insulation cotton, and the mass ratio of fire prevention expander, high temperature resistant heat insulation cotton and high temperature resistant adhesive glue is 1.5: 1: 1.
The present embodiment product reaches GB15931-1995 and GB16807-2009 regulation fully and requires through the check of national fire-proof construction material quality supervision and test center:
(1) the product exposed face is smooth, smooth, and flawless, load mould, thickness is irregular, expander obviously comes off or defective such as efflorescence.
(2) expansion character: the deviation GB regulation of the expansion multiplying power of expander and enterprise's published value is not more than 15%, and present embodiment product actual measurement deviation is 1%.
(3) produce smoke toxicity: be not less than the ZA2 level of GB20285-2006 regulation, present embodiment product measured value is the ZA2 level.
(4) density of being fuming: the density rating GB of being fuming is defined as SDR-35, and present embodiment product measured value is 32.
(5) anti-air aging performance: the expander no obvious efflorescence in surface of test back and obscission, and the expansion multiplying power of expander is less than the initial bubble multiplying power.
(6) water resistence: phenomenons such as test back fire safe seal do not have clear dissolution, swelling, efflorescence, come off; The mass change GB regulation of composite expanded body should be less than 5%, and present embodiment product measured value is 2%; The expansion multiplying power of expander is less than the initial bubble multiplying power.
(7) acid resistance: phenomenons such as test back fire safe seal do not have clear dissolution, swelling, efflorescence, come off; The mass change GB regulation of composite expanded body should be less than 5%, and present embodiment product measured value is 4%; The expansion multiplying power of expander is less than the initial bubble multiplying power.
(8) alkali resistance: phenomenons such as test back fire safe seal do not have clear dissolution, swelling, efflorescence, come off; The mass change GB regulation of composite expanded body should be less than 5%, and present embodiment product measured value is 3%; The expansion multiplying power of expander is less than the initial bubble multiplying power.
(9) fire performance: 1. test by being installed on the smoke evacuation fire-protection valve, test specimen moves in 285 ± 2 ℃ oily temperature normally, and when fire testing carried out 90min, the maximum of test specimen was leaked the cigarette amount and still met standard, and fire resistance period is greater than more than 1.5 hours; 2. at ambient temperature, make valve blade both sides keep the gas-static of 300Pa ± 15Pa poor, the inleakage GB regulation on its unit area should be less than 500m
3/ (m
2H), present embodiment product measured value is maximum inleakage 318 m
3/ (m
2H).
(10) fire proof seal performance: fire safe seal uses the Fire integrity of position in 90min to comply with the national standard requirements fully.
By the above as seen, the present embodiment product has the multinomial performance index to be better than the GB set quota.
Claims (2)
- One kind the smoke evacuation fire-closing valve, comprise valve body, described valve body is provided with control gear, described control gear is provided with temperature fuse, be respectively equipped with the vanes fixed groove on top frame in the described valve body and the underframe, described vanes fixed groove is provided with blade axle sleeve and sharf, described sharf is provided with blade, all blade pass are crossed the blade connecting rod and are linked to each other, be respectively equipped with weather strip on left frame in the described valve body and the right frame, it is characterized in that: described weather strip is that bending is the rectangular of obtuse angle, and framework vertically is close at an edge at described obtuse angle, and the edge of another limit and blade matches; Described vanes fixed groove is provided with the choke bar that matches with blade shape, and the closure edge of described blade is provided with the fire proof seal bar; Described choke bar is the rectangular bars that an end has 45 ° of slopes, and the base of described choke bar is 6.09:1 with the ratio on angle limit, and the base is 4.47:1 with the ratio of width edge, and width edge is 10:1 with the ratio of thickness; Described fire proof seal bar is made of fire protection layer and dried heatproof glue-line, and described fire protection layer is bonded by high temperature resistant adhesive glue by fire prevention expander, high temperature resistant heat insulation cotton.
- 2. smoke evacuation fire-closing valve according to claim 1 is characterized in that: described fire prevention expander, high temperature resistant heat insulation is cotton and mass ratio high temperature resistant adhesive glue is 1.5:1:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110350702 CN102392912B (en) | 2011-11-09 | 2011-11-09 | Smoke and fire damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110350702 CN102392912B (en) | 2011-11-09 | 2011-11-09 | Smoke and fire damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102392912A CN102392912A (en) | 2012-03-28 |
| CN102392912B true CN102392912B (en) | 2013-10-02 |
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ID=45860274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110350702 Active CN102392912B (en) | 2011-11-09 | 2011-11-09 | Smoke and fire damper |
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| CN (1) | CN102392912B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065691B (en) * | 2015-07-30 | 2017-11-14 | 深圳市中航大记股份有限公司 | A kind of valve blade sealing structure and air-valve |
| CN105422943A (en) * | 2015-11-30 | 2016-03-23 | 浙江聚英风机工业有限公司 | Single-blade and high-sealing exhaust ventilation fireproof valve |
| CN105402425B (en) * | 2015-11-30 | 2017-12-29 | 浙江聚英风机工业有限公司 | A kind of high sealing smoke-discharging and ventilating fire resisting damper |
| CN105422942B (en) * | 2015-11-30 | 2018-10-16 | 浙江聚英风机工业有限公司 | A kind of multiple-blade high sealing smoke-discharging and ventilating fire resisting damper |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2073852A (en) * | 1980-04-10 | 1981-10-21 | Flaekt Ltd | Apparatus for Engagement with a Damper Blade |
| CN2325663Y (en) * | 1998-02-16 | 1999-06-23 | 马文杰 | Full automatic, multi-function memory type valve |
| US6435211B2 (en) * | 1999-07-13 | 2002-08-20 | William L. Stone | HVAC damper |
| CN2573794Y (en) * | 2002-09-21 | 2003-09-17 | 无锡市华东电力设备有限公司 | Frame type air sealed single layer blade baffle |
| CN201271442Y (en) * | 2008-09-25 | 2009-07-15 | 成都五牛科技有限公司 | Enclosed type fireproofing and smoke-discharging valve |
| CN201637056U (en) * | 2009-12-02 | 2010-11-17 | 南方风机股份有限公司 | Air volume regulating valve |
| CN201954008U (en) * | 2011-01-27 | 2011-08-31 | 黄山市大华消防空调设备有限公司 | Fireproof valve |
| CN202001630U (en) * | 2010-12-24 | 2011-10-05 | 江苏阿波罗空调净化设备制造有限公司 | Leakage prevention device used for blade end and support of fire resisting damper |
| CN202302171U (en) * | 2011-11-09 | 2012-07-04 | 湖南鑫永生科技发展有限公司 | Smoke-discharging fireproof valve |
-
2011
- 2011-11-09 CN CN 201110350702 patent/CN102392912B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2073852A (en) * | 1980-04-10 | 1981-10-21 | Flaekt Ltd | Apparatus for Engagement with a Damper Blade |
| CN2325663Y (en) * | 1998-02-16 | 1999-06-23 | 马文杰 | Full automatic, multi-function memory type valve |
| US6435211B2 (en) * | 1999-07-13 | 2002-08-20 | William L. Stone | HVAC damper |
| CN2573794Y (en) * | 2002-09-21 | 2003-09-17 | 无锡市华东电力设备有限公司 | Frame type air sealed single layer blade baffle |
| CN201271442Y (en) * | 2008-09-25 | 2009-07-15 | 成都五牛科技有限公司 | Enclosed type fireproofing and smoke-discharging valve |
| CN201637056U (en) * | 2009-12-02 | 2010-11-17 | 南方风机股份有限公司 | Air volume regulating valve |
| CN202001630U (en) * | 2010-12-24 | 2011-10-05 | 江苏阿波罗空调净化设备制造有限公司 | Leakage prevention device used for blade end and support of fire resisting damper |
| CN201954008U (en) * | 2011-01-27 | 2011-08-31 | 黄山市大华消防空调设备有限公司 | Fireproof valve |
| CN202302171U (en) * | 2011-11-09 | 2012-07-04 | 湖南鑫永生科技发展有限公司 | Smoke-discharging fireproof valve |
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| Publication number | Publication date |
|---|---|
| CN102392912A (en) | 2012-03-28 |
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