Protection ventilation device and method

Abstract

The invention discloses a protection ventilation device and a method, and belongs to the technical field of protection engineering. The protection ventilation device comprises a display control unit and a ventilation cabinet unit, the display control unit comprises a control interface circuit, a rectifier and a direct-current power supply distributor, a detector interface circuit, an AD conversioncircuit, an FPGA processor, an ARM processor and a touch display screen; the ventilation cabinet unit comprises a cabinet body, a filter, a first cleaning valve, a second cleaning valve, a three-proofing machine, a three-way box assembly, a first filter valve, a second filter valve, a micro differential pressure detector and a filter absorber, wherein the first cleaning valve, the second cleaningvalve, the three-proofing machine, the three-way box assembly, the first filter valve, the second filter valve, the micro differential pressure detector and the filter absorber are arranged in the cabinet body; air filtration and ventilation equipment, the ventilation and conversion control system are integrated into a whole, the performance is efficient and reliable, and the assembly is convenient; automatic ventilation operation at ordinary time and working time of small protection engineering is achieved; various toxic agents can be effectively removed in the attack of the nuclear and biochemical weapon; the detection, the automatically converted operation modes, state display function is integrated, the intelligent degree is high, and the operation is convenient; the double-power-supply power supply is adopted, so that the operation is reliable.

Description

technical field [0001] The invention belongs to the technical field of protective engineering, and in particular relates to a protective ventilation device and method. Background technique [0002] Toxic filtration and ventilation system is an important equipment to ensure the safety of personnel and materials in war. Assembled type has greatly increased the requirements for anti-nuclear, biochemical and poisonous filtration ventilation. At present, the poisonous filtration and ventilation system in our country is distributed and installed in large-scale permanent standby projects. There are many types of equipment and various types of equipment, which require special design, installation, and complex maintenance and use technology, which is difficult to adapt to the characteristics of convenient and rapid assembly of equipment and facilities in prefabricated and permanent small-scale protection projects. Contents of the invention [0003] Aiming at the deficiencies in the...

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Problems solved by technology

[0002] Toxic filtration and ventilation system is an important equipment to ensure the safety of personnel and materials in war. The prefabricated type has greatly improved the requirements for anti-nuclear, biochemical and poisonous filtration ventilation. At present, the poisonous filtration and ventilation system in our country is distributed and installed in large-scale permanent standby projects. There are many types of equipment and miscellaneous models, which require special design, installation, and complex maintenance and use technology, which is difficult to adapt to the characteristics of convenient and rapid assembly of equipment and facilities in prefabricated and permanent small-scale protection projects

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