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Failure alarming method of respirator and respirator

A technology for filtering poison and triggering an alarm, which is applied to alarms, separation methods, respiratory protection devices, etc., can solve the problems of untimely and inaccurate failure detection of poison filtering devices, and achieve high economy, applicability, and low detection accuracy Effect

Inactive Publication Date: 2019-11-08
科力科华(武汉)科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for alarming the failure of a poison filtering device and a poison filtering device, so as to solve the problem that the failure detection of a poison filtering device in the prior art is not timely and inaccurate

Method used

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  • Failure alarming method of respirator and respirator
  • Failure alarming method of respirator and respirator

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Embodiment Construction

[0036] In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the described embodiments are some, not all, embodiments of the present invention. The specific embodiments described here are only used to explain the present invention, but not to limit the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention belong to the protection scope of the present invention.

[0037] This embodiment provides a failure alarm method for a poison filtering device. The poison filtering device has an air inlet and an air outlet, and a high-efficiency filter and a chemical gas filter are arranged in sequence from the air inlet to the air outlet. The high-efficiency filter is used to block poisonous mist, biolo...

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Abstract

The invention provides a failure alarming method of a respirator and the respirator. The failure alarming method comprises the following steps: S1, detecting the concentration c of a chemical toxic gas in a gas fed into a gas inlet in real time; S2, recording the working time t of the respirator; S3, detecting the air inlet quantity q of the respirator in real time; and S4, according to the concentration c of the toxic gas, the working time t and the air inlet quantity q, calculating the quantity of the toxic gas fed into the respirator, and triggering an alarming device to alarm when the quantity of the toxic gas fed into the respirator meets a preset value S, wherein the preset value S is less than or equal to the maximum absorption amount of a chemical gas filter. By adopting the technical scheme, according to real-time accumulation calculation, whether the respirator is failed or not can be indicated in real time, the purpose of proactive alarming can be achieved, and the timeliness of failure alarming can be ensured.

Description

technical field [0001] The invention relates to the field of filtering respiratory protection, in particular to a method for alarming the failure of a poison filtering device and the poison filtering device. Background technique [0002] As a key component of the nuclear, biological and chemical filtration and ventilation system, the poison filter device, refer to figure 1 Generally speaking, the poison filtering device includes two parts: a high-efficiency filter 1 and a chemical gas filter 2, which are respectively used to filter poisonous mist, bioaerosol, radioactive dust and chemical poisonous gas in the poisoned air. When the working life of the poison filtering device reaches saturation, the poisonous air may pass through the poison filtering device and reach the breathing area of ​​personnel, causing fatal danger. Therefore, both at home and abroad are committed to researching the failure detection scheme of the poison filtering device. [0003] At present, there ar...

Claims

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Application Information

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IPC IPC(8): B01D46/00B01D53/00B01D46/44G08B21/14A62B7/10F24F7/00F24F11/89F24F11/64F24F13/28F24F110/65
CPCA62B7/10B01D46/00B01D46/0036B01D46/44B01D53/00B01D53/04B01D53/18B01D2257/93F24F7/00F24F13/28F24F11/64F24F11/89F24F2110/65G08B21/14
Inventor 张保林刘东方廖焕飞
Owner 科力科华(武汉)科技有限公司
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