CN213334806U - 一种楼梯或扶梯洞口防烟装置 - Google Patents
一种楼梯或扶梯洞口防烟装置 Download PDFInfo
- Publication number
- CN213334806U CN213334806U CN202022499781.7U CN202022499781U CN213334806U CN 213334806 U CN213334806 U CN 213334806U CN 202022499781 U CN202022499781 U CN 202022499781U CN 213334806 U CN213334806 U CN 213334806U
- Authority
- CN
- China
- Prior art keywords
- air outlet
- stair
- staircase
- escalator
- entrance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 23
- 230000002265 prevention Effects 0.000 claims 4
- 230000004888 barrier function Effects 0.000 claims 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003546 flue gas Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Landscapes
- Duct Arrangements (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022499781.7U CN213334806U (zh) | 2020-11-02 | 2020-11-02 | 一种楼梯或扶梯洞口防烟装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022499781.7U CN213334806U (zh) | 2020-11-02 | 2020-11-02 | 一种楼梯或扶梯洞口防烟装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213334806U true CN213334806U (zh) | 2021-06-01 |
Family
ID=76076088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022499781.7U Active CN213334806U (zh) | 2020-11-02 | 2020-11-02 | 一种楼梯或扶梯洞口防烟装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213334806U (zh) |
-
2020
- 2020-11-02 CN CN202022499781.7U patent/CN213334806U/zh active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100785399B1 (ko) | 수직통로를 이용한 고층건물 환기시스템 | |
CN209042677U (zh) | 一种消防疏散楼梯加压风井与新风井合用技术 | |
CN213334806U (zh) | 一种楼梯或扶梯洞口防烟装置 | |
CN104344490A (zh) | 一种低阻力防风、防雨排风/烟装置 | |
CN107035287A (zh) | 一种具有防烟功能的防火门 | |
CN113864492A (zh) | 一种外导流式防火止回阀 | |
CN2706702Y (zh) | 引风排烟安全防火装置 | |
CN213159079U (zh) | 一种房屋建筑用自然排烟气防火阀 | |
CN217423530U (zh) | 一种汽车库通风及排烟系统 | |
CN204214090U (zh) | 一种低阻力防风、防雨排风/烟装置 | |
JP5684465B2 (ja) | 建物の換気構造 | |
CN212867630U (zh) | 一种隧道疏散送风结构 | |
CN210217035U (zh) | 一种应用于建筑消防排烟的环状管网系统 | |
CN211369230U (zh) | 一种地铁站台公共区楼扶梯口阻烟式吊顶构造 | |
CN205822707U (zh) | 防火型移动式变压排气道 | |
CN112032386B (zh) | 一种房屋建筑用自然排烟气防火阀及其使用方法 | |
CN216949306U (zh) | 一种应对强风环境下的多重折弯防倒烟风道 | |
CN201943323U (zh) | 截流式排气管道 | |
JP5374283B2 (ja) | 換気構造及び建物 | |
CN218758998U (zh) | 一种剪刀楼梯间自然通风高层建筑核心筒 | |
CN218882276U (zh) | 一种地铁中庭车站公共区楼扶梯 | |
CN221036082U (zh) | 一种地铁车站站台楼扶梯送风阻烟装置 | |
CN217974973U (zh) | 一种带有通风器的玻璃幕墙结构 | |
CN216481431U (zh) | 一种高扁形风管 | |
CN211368774U (zh) | 综合管廊的进风逃生口装置及综合管廊 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shandong Jianda Fire Protection Technology Service Co.,Ltd. Assignor: TIANJIN FIRE Research Institute OF MEM Contract record no.: X2023980052335 Denomination of utility model: A smoke prevention device for stairs or escalator openings Granted publication date: 20210601 License type: Common License Record date: 20231213 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangxi Zhengyuan Fire Protection Technology Co.,Ltd. Assignor: TIANJIN FIRE Research Institute OF MEM Contract record no.: X2024980000432 Denomination of utility model: A smoke prevention device for stairs or escalator openings Granted publication date: 20210601 License type: Common License Record date: 20240109 Assignee: Shenzhen Green Jinfeng Fire Protection Technology Co.,Ltd. Assignor: TIANJIN FIRE Research Institute OF MEM Contract record no.: X2024980000339 Denomination of utility model: A smoke prevention device for stairs or escalator openings Granted publication date: 20210601 License type: Common License Record date: 20240109 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: TIANJIN SHENGDA FIRE INDUSTRIAL Corp. Assignor: TIANJIN FIRE Research Institute OF MEM Contract record no.: X2024980001925 Denomination of utility model: A smoke prevention device for stairs or escalator openings Granted publication date: 20210601 License type: Common License Record date: 20240206 |