Tank deck protecting device and air pressure protecting system thereof
A protection device, positive pressure protection technology, applied in packaging, transportation and packaging, containers and other directions, can solve the problem of inability to clean the overpressure protection valve and vacuum protection valve spool, and achieve the effect of convenient disassembly and assembly, labor-saving and high efficiency
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[0040] Such as figure 1 As shown, the preferred embodiment of the tank top protection device and its air pressure protection system of the present invention, the tank top protection device includes: a cover body 1, a positive pressure protection mechanism and a negative pressure protection mechanism arranged on the cover body 1, Cleaning mechanism (CIP cleaning), gas-liquid switching mechanism and forced opening mechanism.
[0041] The positive pressure protection mechanism is used for performing positive pressure protection on the storage tank when the gas pressure in the storage tank rises (that is, the gas pressure in the tank is greater than the atmospheric pressure outside the tank). The negative pressure protection mechanism is used to perform negative pressure protection on the storage tank when the gas pressure in the storage tank drops (that is, the gas pressure in the tank is lower than the atmospheric pressure outside the tank). In this embodiment, the positive pre...
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