Detection method of no-clean particulate matter concentration as well as sampling apparatus and sampling device
A particle concentration and sampling device technology, which is applied in the direction of sampling device, material absorption and weighing, etc., can solve the problems of complex cleaning operation, inaccurate chemical reagent test, high sampling time and sampling working conditions, and meet the test steps and process Simple, accurate and reliable test structure, avoiding the effect of manual cleaning difficulties
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Embodiment 1
[0062] This embodiment provides a method for detecting the concentration of no-clean particulate matter, which detects the concentration of particulate matter based on a weighing method through a detachable sampling device;
[0063] The sampling device includes a first half shell, a second half shell and a fume filter element; the oil fume filter element is located in a cavity formed by the first half shell and the second half shell; the first half shell, the second half shell The shell can be, but not limited to, stainless steel or polytetrafluoroethylene;
[0064] The oil fume filter element includes a first membrane structure and a second membrane structure;
[0065] The inlet of the sampling device is arranged on the first half-shell, and its outlet is arranged on the second half-shell; along the direction from the inlet to the outlet are the first half-shell, the first half-shell, Membrane structure, the second membrane structure and the second half-shell; preferably, th...
Embodiment 2
[0088] In order to better implement the detection method of the no-clean particle concentration in Embodiment 1 of the present invention, the present invention also provides a sampling device for realizing the no-clean particle concentration of the present invention. The implementation of the sampling device for cleaning the concentration of particulate matter will be further described in detail.
[0089] see figure 1 , figure 2 As shown, the present embodiment provides a sampling device for no-cleaning particle concentration; figure 1 It is a structural schematic diagram of the sampling device; figure 2 is an exploded view of the sampling device; in order to show the structure more clearly, figure 1 Shown is a cutaway view of the sampling device, figure 2 The fume filter shown is shown in cutaway view.
[0090] see figure 1 , figure 2 As shown, the no-clean particulate matter concentration sampling device provided in this embodiment includes a first half shell 1, a...
Embodiment 3
[0115] see image 3 , Figure 4 As shown, this embodiment provides a sampling device for the concentration of no-clean particulate matter, which includes the sampling device for the concentration of no-clean particulate matter in Embodiment 2; the technical solution disclosed in Embodiment 2 It also belongs to this embodiment, and this embodiment will not be described again.
[0116] image 3 Schematic diagram of the structure of the sampling device for the no-cleaning particle concentration provided in this embodiment, the figure shows the state where the tip of the sampling gun is inserted into the chamber of the sampling gas, and the direction of the arrow shown in the figure is the flow velocity direction of the sampling gas; Figure 4 for image 3 A close-up view of the sampling device for the indicated no-clean particulate concentration.
[0117] see image 3 , Figure 4 As shown, the sampling device for no-cleaning particle concentration provided in this embodimen...
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