Rotating disc type automatic headspace sampler
An automatic sample injection, turntable technology, applied in the field of oil logging industry, can solve the problems of lack of continuous automatic sample injection function, unfavorable repeated analysis, etc., to achieve the effect of favorable repeated analysis, high degree of automation, and convenient installation.
Active Publication Date: 2015-03-25
天津陆海石油设备系统工程有限责任公司
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Problems solved by technology
However, headspace samplers with large sample bottles do not have the function of continuous automatic sampling, which is not conducive to repeated analysis
Method used
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[0044] In order to understand the present invention more clearly, describe the present invention in detail in conjunction with accompanying drawing and embodiment:
[0045] like Figure 1 to Figure 8 As shown, the rotary headspace autosampler includes a sampling part 1 and a sampling part 2;
[0046] The sampling part 1 adopts a turntable structure, including a bottom plate 11, a motor assembly 12, a spindle assembly 13, a turntable assembly 14, a sampling assembly 15, a gear ring positioning assembly 16, a heating device 17, a sample bottle 18 and a heating barrel 19. The sampling part 1 The electrical control box 3 is used as a base frame for fixing and installing;
[0047] The bottom plate 11 of the sampling part 1 is fixed on the electric control box body 3, and the bottom plate 11 is used as a support body, and the motor frame 12-1 for fixing the motor assembly 12, the spindle fixing seat 13-1 of the spindle assembly 13 and the heating device are distributed on ...
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The invention relates to a rotating disc type automatic headspace sampler. A sampling part adopts a rotating disc type structure; a rotating disc module consists of a driven wheel, a bearing, a sample rotating disc, a bearing cover and an upper cover mounting plate; a plurality of round holes arranged circularly are formed in the sample rotating disc, and are used for embedding sample bottles; a toothed ring positioning module consists of a correlation pipe mounting frame and a positioning toothed ring; a heating device supports heating blocks by an adjustable bracket; the heating blocks are in contact with the bottoms of heating barrels which are embedded in the round holes of the sample rotating disc; the heating barrels are provided with heat insulating sleeves. The rotating disc type automatic headspace sampler has the following benefits: through the rotating disc type automatic headspace sampler, the sample bottles can be greater than 5 ml to possess the continuous and automatic sampling function, so that the degree of automation is high; the large-sample bottle headspace sampler facilitates analyzing the same sample for several times, and can be connected with Agilent 7890 and 7820 meteorological chromatographs.
Description
technical field [0001] The invention relates to a petroleum mud logging industry, in particular to a rotary headspace autosampler, which is applied to [0002] The Agilent gas chromatograph realizes the preparation and sampling for the analysis of light hydrocarbons in drilling fluid cuttings mixed samples. Background technique [0003] At present, most domestic mud logging companies have adopted Agilent gas chromatograph for light hydrocarbon analysis, and standardized sampling and analysis standards at the same time. It is required to select a mixed sample of drilling fluid and cuttings, the sample bottle is more than 100ml, and the sampling volume accounts for 2 / 3 of the volume of the sample bottle. Headspace sampling is required. [0004] Existing autosamplers are mainly used for liquid samples, and the sample bottle is usually not larger than 5ml. However, headspace samplers with large sample bottles do not have the function of continuous automatic sampling, which i...
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IPC IPC(8): G01N30/24
Inventor 董灵彦杨涛元欐赵佩裕徐勇李栋巍刘青徐森李娟
Owner 天津陆海石油设备系统工程有限责任公司