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Gas inlet protection device

A technology of protective device and air intake device, which is applied in the direction of measuring device, analysis of gas mixture, transportation and packaging, etc., can solve the problems of shortening the service life of equipment, increasing the cost of use, increasing the cost of equipment maintenance, etc., and achieve enhanced protection and filtering effect , Reduce the effect of replacement frequency

Pending Publication Date: 2020-04-17
NOVA FITNESS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above methods are effective, but there is no basic protective device for the air inlet. In extreme conditions, such as high humidity, high density of coarse particles, and a large number of flocs, the filter screen will be covered with flocs in a short time , affects the air intake effect, so it needs to be replaced frequently, which increases the cost of use, and the filter device alone cannot play a good role in filtering and protection, and it is easy for liquid molecules, sediment, catkins and catkins in the air to enter the sensor or air pump In the middle, increase the maintenance cost of the equipment and shorten the service life of the equipment

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0028] The gas inlet protection device is installed on the hand-held aerosol detector, the lower end of the protective gas inlet column 2 is connected to the gas inlet of the device, and the gas inlet device 1 is installed in a rotating threaded manner. Measure gas PM in environments with high humidity, high density of coarse particles, and a large number of flocs 2.5 , PM 10 concentration, the gas is sucked into the air intake device 1 under the action of the air pump, and hits the upper end of the protective air intake column 2 at high speed, wherein the speed of large particles of sand drops to 0 under the impact, and adheres to the protective air inlet The upper end of the gas column 2, at this time, the protective air intake column 2 has played a preliminary role in cutting large gas particles, and a large amount of flocs are blocked by the protective air intake claws, and the gas that has been initially filtered and decelerated carries fine particles. Particles and a sm...

Embodiment 2

[0031] If the density or flow velocity distribution of the gas is uneven, when the gas passes through the gas inlet protection device, in addition to blocking impurities such as large particles, silt, and flocs, the gas with uneven density or flow velocity will pass through the gas inlet protection device. Reduce the speed after protecting the air intake column 2, and mix evenly after passing through the protective claw 201, so that the detection results are more representative.

[0032] Although a gas inlet protection device described in the above specific implementation method has a simple structure and low cost, it can fully filter and mix impurities such as coarse particles, silt, and flocs in the gas, and has a good effect on the air intake. Sensors and air pumps play a protective role, reducing costs and making detection results more accurate.

Embodiment 3

[0034] The gas inlet protection device is installed on the large-scale air purification equipment, the air intake device 1 is installed on the equipment by buckling, and the filter screen 3 is a multi-layer filter screen, which is detachably installed on the equipment Above, the protective air intake column 2 is arranged in a dot matrix on the grid frame, so that the grid frame can just be installed on the filter screen 3 and fixed on the filter screen 3 with screws. The protective air intake column 2 is a regular pentagon, and the protective air intake claw 201 on the upper end is barb-shaped, and the protective air intake claw on the side is dendritic. When a large amount of air is inhaled by the purification equipment, most of the large particles of impurities such as silt are initially filtered by the protective air intake column 2 on the grid frame, and the flocs in the air are hooked by the protective claws 2, including the remaining The air with a small amount of impuri...

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Abstract

The invention provides a gas inlet protection device, and relates to a protection device, which comprises a gas inlet device, a gas inlet protection column, a protection claw and a filtering screen. According to the invention, the device utilizes a simple structure to greatly enhance the protection and filtration effects of the traditional filtration mode, so that the device can be normally used in extreme environments with high humidity, high particle density and a large amount of floccules; when the device is used for small-sized environment detection equipment, the device can play a role inprotecting an air pump and a sensor and homogenize gas; when the device is used for large air filtering equipment, impurities in air can be preliminarily filtered, so that the replacement frequency of the filtering screen is reduced; and the device is simple in structure, easy to clean, wide in application range and capable of achieving primary protection and filtering effects on environment detection equipment and air filtering equipment.

Description

technical field [0001] The invention relates to a protection device, in particular to a gas inlet protection device. Background technique [0002] Most of the environmental testing equipment currently on the market, such as PM detectors, handheld aerosol detectors, etc., directly use filters to filter out coarse particles and flocs in the air; Filter out coarse particles and flocs in the air. The above methods are effective, but there is no basic protective device for the air inlet. In extreme conditions, such as high humidity, high density of coarse particles, and a large number of flocs, the filter screen will be covered with flocs in a short time , affects the air intake effect, so it needs to be replaced frequently, which increases the cost of use, and the filter device alone cannot play a good role in filtering and protection, and it is easy for liquid molecules, sediment, catkins and catkins in the air to enter the sensor or air pump In this process, the maintenance ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/00B01D46/24G01N15/06G01N33/00
CPCB01D46/2411G01N15/06G01N33/0004B01D46/62
Inventor 张子彪张子珺司书春刘善文蔡泉堂
Owner NOVA FITNESS CO LTD
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