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Single-fluid water mist type water curtain shower nozzle

A technology of water curtain nozzle and water mist nozzle, which is applied in fire rescue, etc., to achieve the effects of small water damage loss, reduced water consumption, and good smoke and heat insulation effects in the fire scene

Inactive Publication Date: 2013-09-11
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, no product has been developed that uses a water mist system for smoke separation

Method used

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  • Single-fluid water mist type water curtain shower nozzle
  • Single-fluid water mist type water curtain shower nozzle
  • Single-fluid water mist type water curtain shower nozzle

Examples

Experimental program
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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the drawings and embodiments. The water mist water curtain nozzle, power source (water pump or high-pressure gas cylinder) and water pipeline form a water curtain system, which is used in corridors, corridors and entrances of front rooms or tunnels. Determine the number of nozzles and spray direction according to the horizontal width of the applicable occasion, and the system is controlled by a fire smoke alarm. When used in the middle of a long and narrow channel, the water mist and water curtain nozzles are installed upwards to prevent the protection blind area between the flue gas pipeline and the ceiling. The water mist droplets sprayed from the nozzles first hit the ceiling wall and are affected by the impact force. The secondary atomization of the water droplets drops, so that the water mist is finer and more uniform, and at the same time, it also effectively avoids the smoke-proof blind area...

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Abstract

The invention provides a single-fluid water mist type water curtain shower nozzle, belonging to the technical field of fire-fighting equipment and safety protection. The single-fluid water mist type water curtain shower nozzle comprises a shower nozzle base, a filter screen, a rubber washer, a shower nozzle parent body, a spray nozzle and a rotational flow body; the shower nozzle base is connected with the shower nozzle parent body, and the filter screen is arranged between the shower nozzle base and the shower nozzle parent body; the rubber washer is placed within a washer groove of the shower nozzle parent body, and the filter screen and the rubber washer are fixedly arranged between the shower nozzle base and the shower nozzle parent body when the shower nozzle base is connected with the shower nozzle parent body, so that the functions of impurity filtering and sealing can be achieved; the rotational flow body is connected into a cavity of the spray nozzle, the spray nozzle is fixedly connected onto the shower nozzle parent body to form a water mist water curtain shower nozzle, and the spray nozzle is communicated with the cavity in the shower nozzle parent body. After the single-fluid water mist type water curtain shower nozzle is used, the water consumption can be greatly reduced, and the fire ground is very small in water damage loss. According to the dense waster mist and the high-momentum waster mist liquid drop, the heat energy of the fire smoke can be greatly reduced, the diffusing and spreading speed of the fire smoke can be slowed down, and the shower nozzle plays good roles in smoke resistance and heat insulation.

Description

Technical field [0001] The invention relates to a water mist type water curtain nozzle, which belongs to the technical field of fire fighting facilities and safety protection. It can produce a 180° fan fine water mist flow field with a particle size of 400um or less under the action of 4-10MPa pressure water. The cross section of the mist field is long, which acts as a smoke barrier on the path of smoke diffusion and flow. The effect of heat. Background technique [0002] Many disasters are often encountered in human social life, and fire is the most harmful and the most likely to occur. With the development of productivity and the accumulation of social wealth, the loss caused by fire is increasing. . In a fire, in addition to the destruction of life and property caused by high-temperature flames, the biggest threat to the lives of the victims comes from the high temperature and toxic smoke generated by combustion. According to statistics, 70%-80% of the deaths on the fire sce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62C31/05
Inventor 梁强李炎锋赵梦李俊梅
Owner BEIJING UNIV OF TECH
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