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Fire control device for fire control chimney and building

A technology for fire protection devices and buildings, applied in fire rescue and other directions, can solve problems such as lack of design, failure of window sill walls and fire eaves, and lack of space margins.

Active Publication Date: 2020-11-24
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, due to historical issues and architectural design limitations, sill walls and fire overhangs often do not meet the above criteria
Due to the aesthetic requirements of the building’s appearance, or the lack of effective space margin, the above-mentioned window sill walls and fire-resistant cornices are not the primary considerations in architectural design, and design deficiencies or lack of design often occur

Method used

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  • Fire control device for fire control chimney and building
  • Fire control device for fire control chimney and building
  • Fire control device for fire control chimney and building

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] See Figure 1 to Figure 5 , A fire control chimney, comprising: a chimney cavity 1, one end of the chimney cavity 1 is a flue gas inlet 101, the other end of the chimney cavity 1 is a flue gas outlet 102, and a part of the cavity close to the flue gas outlet 102 is contracted In order to increase the flow rate of the flue gas, the flame arrestor 2 includes a number of plates 201, which are arranged in parallel in the flue gas inlet 101 along the direction of flue gas flow; the chimney cavity 1 is close to the plate The end of the 201 is provided with a suction through hole 104; the fire-resistant metal mesh plate 3, perpendicular to the flow direction of the flue gas, is installed at the flue gas outlet 102.

[0046] Along the flow direction of the high-temperature smoke, the flame arrestor 2 of the fire-control chimney disclosed in this embodiment can first extinguish the high-temperature smoke, and the high-temperature smoke after the fire extinguishing entrains external ...

Embodiment 2

[0054] Based on the same inventive concept, the present invention also provides a fire prevention device for a building, including the fire control chimney in Embodiment 1.

Embodiment 3

[0055] Example 3 (Installation and use above the existing overhang)

[0056] See Figure 1 to Figure 3 Based on the same inventive concept, the present invention also provides another fire protection device for buildings, including the fire control chimney, temperature sensor, smoke detector, controller, driving part, and transmission part in the above-mentioned embodiment 1; The first rotating connection part 4 of the fire chimney is rotatably connected with the end of the fireproof eaves 7 of the building; the temperature sensor and the smoke detector are arranged on the fireproof eaves 7, and the temperature sensor and the smoke detector are electrically connected to the controller The controller is also electrically connected to the driving part, the driving end of the driving part is connected to a driving end of the driving part, and the execution end of the driving part is connected to the chimney cavity 1 on the side of the first rotating connection part 4; in the contrac...

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Abstract

The invention discloses a fire control chimney. The fire control chimney comprises a chimney cavity, a flame arrester and a fire-resistant metal mesh plate, wherein one end of the chimney cavity is aflue gas inlet, the other end of the chimney cavity is a flue gas outlet, and a part of the cavity close to the flue gas outlet is a shrunk neck cavity so as to increase the flow rate of the flue gas;the flame arrester comprises a plurality of metal sheets, and the sheets are arranged in the flue gas inlet in parallel in the direction of flowing of the flue gas; an air suction through hole is formed in the position, close to the tail end of a plate, of the chimney cavity; and the fire-resistant metal mesh plate is perpendicular to the flowing direction of the flue gas and is arranged at the flue gas outlet. The fire control chimney is compact in design structure and capable of extinguishing flame and diluting flue gas in a limited space so as to achieve the purpose of limiting the vertical spreading of fire.

Description

Technical field [0001] The invention belongs to the technical field of fire protection equipment, and particularly relates to a fire control chimney and a fire protection device for buildings. Background technique [0002] With the increase in the number of high-rise buildings in major cities in China, the frequency of high-rise building fires has also increased. The vertical spread of indoor fires is an important reason for the safety of high-rise buildings. [0003] When a fire spreads vertically, it is easy to exceed the local prevention and control capabilities. Existing fire fighting equipment is difficult to fully and effectively control the fire point, which leads to further spread and expansion of the fire, increasing difficulty in rescue, the number of casualties and property losses. With increasing numbers, the prevention and control of high-rise building fires has become a worldwide problem. [0004] The problems of fire prevention and control in high-rise buildings are: ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A62C4/04A62C37/40
CPCA62C4/04A62C37/40
Inventor 麻庭光栗玉剑陈丽丽王佐
Owner SHANGHAI INST OF TECH