Design Method of Rapid Sampler
A design method and sampler technology, applied in the field of boilers, can solve problems such as user experience needs to be improved, troublesome, etc., and achieve the effects of improving user experience, high efficiency, and weight reduction
Active Publication Date: 2017-12-08
JIANGSU XINDA COMM TECH
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Problems solved by technology
The above two sampling methods may be troublesome, and the user experience needs to be improved
Method used
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[0033] In order to distinguish the head and the tail of the parts, the part close to the handle 204 is called the tail, and the part far away from the handle 204 is called the head.
[0034] Such as figure 1 As shown, a sampler is installed near the bottom of the side wall of the boiler, and the sampling rod 2 is in the insertion position. When it is necessary to sample the liquid in the boiler, the sampling rod 2 only needs to be pulled out, and the sampling hole on the sampling rod 2 is 202 is fully exposed, that is, the sampling rod 2 is in the pulled out position (see Figure 8 ), turn the sampling rod 2 (see Figure 5 ), that is, the liquid in the sampling hole 202 is poured into the container, and then the sampling rod 2 is rotated and pushed back to the insertion position. The sampling process only needs three actions, one pull, one turn and one push, which is convenient and fast, with less actions, short time and high sampling efficiency.
[0035] Such as figure 2...
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The invention relates to a method for designing a rapid sampler used for a boiler. The sampler comprises a base body and a sampling rod. The sampling rod is in closed sliding or rotary fit with the base body, and a part of a sliding cavity is communicated with external atmosphere through a ventilation channel. A first sealing ring is arranged at the portion, close to a sampling cavity, of the head of the sliding cavity of the base body, a second sealing ring and a third sealing ring are arranged at the portion, close to the sampling cavity, of the tail of the sliding cavity of the base body, the axial distance between the second sealing ring and the third sealing ring is larger than the axial width of a sampling hole, the sampling cavity is separated form the sliding cavity through the first sealing ring, and the sampling cavity is separated from external atmosphere through the second sealing ring and the third sealing ring. A first blind hole is coaxially formed in the head end of the sampling rod, a second blind hole is coaxially formed in the tail end of the sampling rod, and the sampling hole is separated from the first blind hole and the second blind hole. Due to the design of the blind holes in the sampling rod, the sealing effect of the sealing rings is improved, and the service life of the sealing rings is prolonged; as the two small-wire-diameter sealing rings are adopted, pulling force or pushing force generated during sampling can be reduced, and the sampling speed is increased.
Description
technical field [0001] The invention relates to the field of boilers, in particular to a design method of a quick sampler. Background technique [0002] The air pressure in the boiler is usually inconsistent with the air pressure of the outside atmosphere. When it is necessary to detect and analyze the liquid in the boiler, it must be sampled first, so some sampling ports will be set on the boiler. There are two common approaches. 1. Install a ventilation valve on the top of the boiler, and set a sampling valve at the bottom of the boiler. When sampling is required, first open the ventilation valve to make the air pressure inside the boiler equal to the outside air pressure, then open the sampling valve to complete the sampling. 2. Install a pipe with 3 valves on the boiler. The liquid in the pipe and the liquid in the boiler are circulating. First close two of the valves to isolate the liquid between the two valves from the boiler. Sampling is accomplished by opening a t...
Claims
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IPC IPC(8): G01N1/10F16J15/16
CPCF16J15/16G01N1/10G01N2001/1031
Inventor 龚柱
Owner JIANGSU XINDA COMM TECH