Abstract: A method and apparatus for using liquid nitrogen to render crises safe, as in circumstances of hostage crises, entering Methamphetamine labs, purging the accumulating toxic or flammable gases, ending the dispersal of substances from aerosols and capturing the material dispersed by condensing it and sealing it in containers for disposal, picking up spills by solidifying them or gelling the material and containing it for disposal—this includes Mercury spills, sealing and repairing broken pipes and dikes and dams, enabling a combustion engine to quit running, changing the conditions in a weather system to counter funnel formation in a tornado threat, strengthening levee structures by freezing the core for the length of the levee when severe crises occur, rapid cooling lava flows to structure the solid lava formation to something useful in that location, purging the coalmine fire environment of Oxygen to quell the long-term blaze, and treating industrial stack gas to useful soot, water and Carbon dioxide componen

Abstract: A fire extinguishing apparatus (1) comprising a container (2) for heated water. An outlet (10) for heated water is provided in a manifold (11) which defines an insulating leg for cooler water. A valve (15) is operated to release heated water through the outlet to a discharge head (35). A heating element having an unheated portion (16) in the insulating leg, a high output heating portion (17) and a low output heating portion (18) extends into the container to maintain the heated water at a desired temperature. A pipe (25) extends from an open inlet at a level L in the container to the manifold (11). On operation, a valve (27) on the pipe (25) is opened to release steam from the head space in the container to the discharge head (35). The heated water head (35) breaks up the heated water mass into a micromist of finely dispersed water droplets which forms a highly efficient and safe extinguishant.

Abstract: A fire suppression method and system for use in an enclosed area employs the denser-than-air characteristic of certain fire retardant materials. An enclosed area has an upper region, a middle region, and a lower region. The method and system disperses a fire retardant material in a layer across the top of the upper region while maintaining concentration of the material in the layer which is sufficient to suppress any fire with which the layer comes into contact The method permits the layer to descend from the upper region, through the middle and lower regions, until it settles near the floor of the area. The descent of the layer scours the entire area to locate and suppress fire. Dispersal means includes a conduit extending horizontally in the upper region having a horizontally extending opening for dispersing the fire retardant material into the layer. Dispersal means also includes a conduit with a plurality of downwardly directed nozzles, each nozzle having a baffle means.

Abstract: Storage rack shelving with improved fire protection for goods stored on multilevel racks, which includes decking having a plurality of channels, which have drain openings at selected locations to permit fluid from sprinklers thereabove to flow down over the goods into channels under the goods and out to lower level shelving for fire abatement, the shelving being provided with dams at the front and rear of the channels to confine and direct the sprinkler fluid.