Sampling probe for extracting high-temperature sample gas continuously
A sampling probe and sample gas technology, applied in the direction of sampling devices, etc., can solve problems such as easy to be burned out, troublesome installation and after-sales maintenance, troublesome system installation, etc., achieve water saving, good plasticity and high temperature resistance, and improve durability The effect of high temperature
Inactive Publication Date: 2011-05-18
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology
Through research and analysis, it is found that this probe needs to add a high-pressure cylinder, and a separate set of gas pressure device needs to be provided on site. Due to the harsh working environment on site and the expansion and contraction time of the cylinder, it is easy to cause the cylinder to fall into the cylinder due to dust and other particles. , which brings hidden dangers to the smooth movement of the cylinder, which brings troubles to installation and subsequent maintenance. At the same time, because this device also needs to provide distilled water as the coolant for the cooling cycle, a water supply tank device needs to be provided on site, which also brings trouble to the system. The installation has brought trouble; since this device uses ordinary metal pipes, when the cooling water in the system suddenly lacks water, the probe will be easily burned if it is not pulled out in time, and this probe can only be used in our company The products used are not universal and are not suitable for promotion to the same industry
Method used
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Embodiment Construction
[0016] First, the high temperature resistant cement, high temperature resistant hollow ceramic microspheres, cooling circulation pipe 5 and stainless steel mounting flange 3 are combined into a housing support body 4 by molding at room temperature, and then the high temperature resistant composite ceramic sampling tube 6 is put into the housing Inside the support body (note that the sample gas outlet 8 and the sample gas inlet 9 cannot be reversed), adjust it to an appropriate position, and then use the material of the high temperature resistant system to seal the gap tightly. After the whole device is cooled and solidified, install the second A manual control valve 1, a filter 2 and a variable power high temperature resistant water pump 7 (note that the installation position cannot be reversed) are installed in the corresponding positions, and finally the second manual control valve is installed at the sample gas outlet.
[0017] Before starting the operation and commissioning...
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The invention relates to a sampling probe for extracting high-temperature sample gas continuously, which belongs to the technical field of sampling high-temperature sample gases. The sampling probe is characterized by comprising a shell support body (4), wherein one end of the shell support body is provided with a stainless steel mounting flange (3), while the other end is provided with a sample gas inlet (9); a cooling circulation pipeline (5) is embedded in the shell support body, a water inlet (10) of the cooling circulation pipeline is provided with a water filter (2) and a first manual ball valve (1), while a water outlet (11) is provided with a power-adjustable water pump (7); and a sampling tube (6) is arranged in the shell support body through the stainless steel mounting flange (3) and is connected with the sample gas inlet (9), and a sealed space is formed between the sampling tube (6) and the shell support body (4). The probe does not have a moving part, is not needed to be provided with compressed air and distilled water, and is convenient to mount and demount.
Description
technical field [0001] The invention designs a sampling probe for continuously extracting high-temperature sample gas, and belongs to the technical field of high-temperature sample gas sampling. Background technique [0002] For the energy industry that consumes raw materials, especially the cement industry, it is characterized by high energy consumption, large amount of dust, high temperature, and the production process will generate a large amount of CO and SO 2 and other polluting toxic gases. In order to improve the utilization rate of industrial energy and reduce the pollution to the natural environment, it is necessary to strictly control the compressed air fed into the cement rotary kiln. Yield. The working temperature of the cement kiln is as high as 1400 degrees. From the current international and domestic development situation, there are two main methods of gas sampling: the in-situ analysis method and the sample extraction method. The in-situ analysis is mainly...
Claims
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IPC IPC(8): G01N1/22
Inventor 陈照海王志胜甄子洋胡洲
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS