Anti-blocking high-temperature flue gas oxygen measuring system based on zirconium oxide analyzer

Abstract

The anti-blocking high-temperature flue gas oxygen measuring system comprises a quick connecting device, a first filtering unit, an analyzer assembly and an air exhaust assembly, the quick connecting device is installed at an oxygen device to be measured, the quick connecting device is provided with a connecting channel, the first filtering unit is connected with the connecting channel, and the analyzer assembly is connected with the air exhaust assembly. The first filtering unit is connected with the analyzer assembly through a pipeline, the first filtering unit is used for filtering moisture and impurities in to-be-detected oxygen and then conveying the filtered moisture and impurities to the analyzer assembly, and the analyzer assembly is used for detecting the oxygen content of zirconium oxide in the to-be-detected oxygen; the air extracting assembly is used for extracting to-be-detected oxygen in the to-be-detected oxygen equipment and discharging the to-be-detected oxygen after the to-be-detected oxygen sequentially passes through the first filtering unit and the analyzer assembly; according to the anti-blocking high-temperature flue gas oxygen measuring system based on the zirconium oxide analyzer, through cooperation of the quick connecting device, the first filtering unit, the analyzer assembly and the air exhaust assembly, water and impurities can be filtered before detection, the phenomenon that a connecting channel is blocked is avoided, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of oxygen detectors, and particularly relates to an anti-blocking high-temperature flue gas oxygen detection system based on a zirconia analyzer. Background Art

[0002] The zirconia flue gas oxygen analyzer is a new type of oxygen detector developed in recent decades. Because of its simple structure, convenient maintenance, fast reaction speed, wide measurement range and other characteristics, it is widely used in power, metallurgy, heating, building materials, electronics and other departments to analyze the oxygen content in the flue gas of various industrial boilers and kilns, improve the combustion efficiency, save energy and reduce environmental pollution.

[0003] At present, the existing zirconia oxygen analyzer adopts a direct insertion probe structure, that is, the end of the analyzer needs to be inserted into the industrial boiler, and the smoke generated in the industrial boiler will flow into the analyzer, so as to carry out the analysis and detection of zirconia oxygen content. However, in the actual detection process, the fine impurities and moisture in the industrial boiler will accumulate at the probe structure, and the connection channel will be blocked after long-term use, resulting in the problems of shortened service life and low detection efficiency of the analyzer, which need to be solved urgently. Content of the Utility Model

[0004] The purpose of the utility model is to provide an anti-blocking high-temperature flue gas oxygen detection system based on a zirconia analyzer, so as to solve the problems of shortened service life and low detection efficiency caused by the conventional direct insertion probe structure in the prior art due to the blockage of the connection channel.

[0005] To achieve the above object, the utility model adopts the following technical solutions:

[0006] An anti-blocking high-temperature flue gas oxygen detection system based on a zirconia analyzer, which includes a quick connection device, a first filtering unit, an analyzer assembly and an air extraction assembly, wherein:

[0007] The quick connection device can be detachably installed at a preset position of the oxygen detection device to be measured. The quick connection device has a connection channel. The first end of the first filtering unit is connected to the connection channel through a pipeline, and the second end of the first filtering unit is connected to the analyzer assembly through a pipeline. The first filtering unit is configured to filter the moisture and impurities in the oxygen-containing gas to be measured in the oxygen detection device to be measured and then transport them to the analyzer assembly. The analyzer assembly is configured to detect the zirconia oxygen content of the oxygen-containing gas to be measured after filtering the moisture and impurities. The analyzer assembly is connected to the air extraction assembly through a pipeline. The air extraction assembly is at least configured to extract the oxygen-containing gas to be measured in the oxygen detection device to be measured and discharge it after passing through the first filtering unit and the analyzer assembly in sequence.

[0008] Furthermore, the first filtering unit includes a first mounting rack, a first filtering element, and a second filtering element. The first filtering element and the second filtering element are sequentially and spacedly mounted on the first mounting rack. The first filtering element and the second filtering element are connected and communicated with each other through a pipeline. The first filtering element is configured to filter moisture in the oxygen gas to be measured, and the second filtering element is configured to filter impurities in the oxygen gas to be measured.

[0009] Furthermore, the first filtering element adopts a condenser, and the second filtering element adopts a filter mesh.

[0010] Furthermore, the analyzer assembly includes a second mounting rack, a detection component, and a heating component. The detection component and the heating component are mounted on the second mounting rack. An air inlet is formed on the second mounting rack. The heating component is connected to the detection component. The heating component is configured to heat the detection component to a preset temperature. The heated detection component is configured to detect the zirconia oxygen concentration of the oxygen gas to be measured;

[0011] During detection, the heating component heats the detection component to a preset temperature. The filtered oxygen gas to be measured flows into the detection component through the air inlet. The heated detection component detects the zirconia oxygen concentration of the oxygen gas to be measured.

[0012] Furthermore, a sealing device is sleeved on the second mounting rack to prevent air leakage during detection.

[0013] Furthermore, the air extraction assembly includes a third mounting rack, an air extraction pump, and a third filtering element. The first end of the third filtering element is connected to the analyzer assembly through a pipeline. The second end of the third filtering element is connected to the air extraction pump through a pipeline. The third filtering element is configured to filter impurities in the detected gas. The air extraction pump is configured to extract the detected gas at the analyzer assembly to the third filtering element for filtering and then discharging.

[0014] Compared with the prior art, the beneficial effects of the anti-blocking high-temperature flue gas oxygen measurement system based on a zirconia analyzer are as follows: Through the cooperation of the quick-connection device, the first filtering unit, the analyzer assembly, and the air extraction assembly, the air extraction assembly extracts the oxygen gas to be measured in the oxygen equipment to be measured to the first filtering unit and cooperates with the first filtering unit to filter the moisture and impurities in the oxygen gas to be measured and then transports it to the analyzer assembly. The analyzer assembly detects the zirconia oxygen content of the oxygen gas to be measured after filtering the moisture and impurities, which can filter the moisture and impurities before detection, avoid the phenomenon of blockage of the connection channel, and improve the detection efficiency; By setting the third filtering element, the filtering efficiency is further improved, and thus the service life of the analyzer is improved. Description of the Drawings

[0015] To more clearly illustrate and understand the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings required for the background art and the description of the embodiments of the present invention. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to the content of the embodiments of the present invention and these drawings.

[0016] Figure 1 It is a schematic structural diagram of an anti-blocking high-temperature flue gas oxygen measurement system based on a zirconia analyzer provided by an embodiment of the present invention;

[0017] Figure 2 It is a schematic structural diagram of a first filtering unit provided by an embodiment of the present invention;

[0018] Figure 3 It is a schematic structural diagram of an analyzer assembly provided by an embodiment of the present invention;

[0019] Figure 4 It is a schematic structural diagram of an air extraction assembly provided by an embodiment of the present invention. Detailed implementation manners

[0020] The following will further illustrate the technical solutions of the present invention in conjunction with the accompanying drawings and through specific implementation manners.

[0021] To facilitate the understanding of the present invention, the following will describe the present invention more comprehensively with reference to the relevant accompanying drawings. The preferred embodiments of the present invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive. It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may also be an intermediate component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation manner. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0022] Please refer to Figures 1 to 4As shown in the figure, in this embodiment, an anti-blocking high-temperature flue gas oxygen measurement system based on a zirconia analyzer includes a quick-connection device 1, a first filtering unit 2, an analyzer assembly 3, and an air extraction assembly 4, where: The quick-connection device 1 is detachably installed at a preset position of the oxygen-measuring device 5. The quick-connection device 1 has a connection channel 10. The first end of the first filtering unit 2 is connected to the connection channel 10 through a pipeline, and the second end of the first filtering unit 2 is connected to the analyzer assembly 3 through a pipeline. The first filtering unit 2 is configured to filter the moisture and impurities in the oxygen-measuring gas in the oxygen-measuring device 5 and then transport it to the analyzer assembly 3. The analyzer assembly 3 is configured to detect the zirconia oxygen content of the oxygen-measuring gas after filtering the moisture and impurities. The analyzer assembly 3 is connected to the air extraction assembly 4 through a pipeline. The air extraction assembly 4 is at least configured to extract the oxygen-measuring gas in the oxygen-measuring device 5, pass it through the first filtering unit 2 and the analyzer assembly 3 in sequence, and then discharge it.

[0023] It can be seen that through the cooperation of the quick-connection device 1, the first filtering unit 2, the analyzer assembly 3, and the air extraction assembly 4, the air extraction assembly 4 extracts the oxygen-measuring gas in the oxygen-measuring device 5 to the first filtering unit 2, and cooperates with the first filtering unit 2 to filter the moisture and impurities in the oxygen-measuring gas and then transport it to the analyzer assembly 3. The analyzer assembly 3 detects the zirconia oxygen content of the oxygen-measuring gas after filtering the moisture and impurities, so that the moisture and impurities can be filtered before detection, avoiding the phenomenon of blockage of the connection channel 10 and improving the detection efficiency.

[0024] As an implementation manner, the first filtering unit 2 includes a first mounting frame 20, a first filtering element 21, and a second filtering element 22. The first filtering element 21 and the second filtering element 22 are sequentially and spacedly installed on the first mounting frame 20. The first filtering element 21 and the second filtering element 22 are connected to each other through a pipeline. The first filtering element 21 is configured to filter the moisture in the oxygen-measuring gas, and the second filtering element 22 is configured to filter the impurities in the oxygen-measuring gas.

[0025] As an implementation manner, the first filtering element 21 adopts a condenser, and the second filtering element 22 adopts a filter screen.

[0026] As an implementation manner, the analyzer assembly 3 includes a second mounting frame 30, a detection component 31, and a heating component 32. The detection component 31 and the heating component 32 are installed on the second mounting frame 30. An air inlet 300 is provided on the second mounting frame 30. The heating component 32 is connected to the detection component 31. The heating component 32 is configured to heat the detection component 31 to a preset temperature. The heated detection component 31 is configured to detect the zirconia oxygen content concentration of the oxygen-measuring gas; during detection, the heating component 32 heats the detection component 31 to the preset temperature, and the filtered oxygen-measuring gas flows into the detection component 31 through the air inlet 300, and the heated detection component 31 detects the zirconia oxygen content concentration of the oxygen-measuring gas.

[0027] As an implementation manner, a sealing device is sleeved on the second mounting bracket 30 to prevent air leakage during detection.

[0028] As an implementation manner, the sealing device adopts a sealing ring 6.

[0029] As an implementation manner, the air extraction assembly 4 includes a third mounting bracket 40, an air extraction pump 41 and a third filter element 42. The first end of the third filter element 42 is connected to the analyzer assembly 3 through a pipeline, and the second end of the third filter element 42 is connected to the air extraction pump 41 through a pipeline. The third filter element 42 is configured to filter impurities in the detected gas, and the air extraction pump 41 is configured to extract the detected gas at the analyzer assembly 3 to the third filter element 42 for filtering and then discharging.

[0030] It can be seen that by setting the third filter element 42, the filtering efficiency is further improved, and thus the service life of the analyzer is improved.

[0031] When the above oxygen measurement system for anti-blocking high-temperature flue gas based on a zirconia analyzer works: First, the oxygen gas to be measured in the device 5 to be measured flows into the first filter element 21 through a pipeline. Under the action of the first filter element 21, the moisture in the oxygen gas to be measured is filtered, and then passes through the second filter element 22. Under the action of the second filter element 22, the impurities in the oxygen gas to be measured are filtered; Then, the filtered oxygen gas to be measured flows into the air inlet 300 through a pipeline, and under the guidance of the air inlet 300, flows to the detection component 31. The heating component 32 heats the detection component 31 to a preset temperature. When the oxygen gas to be measured contacts the detection component 31, an oxygen concentration difference potential is generated. The detection component 31 detects the oxygen concentration difference potential and converts it into a zirconia oxygen concentration; Finally, the air extraction pump 41 extracts the detected gas at the analyzer assembly 3 to the third filter element 42 for filtering and then discharging.

[0032] The above embodiments only illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above examples. Without departing from the spirit and scope of the present invention, there are various changes and modifications to the present invention, and these changes and modifications all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-blocking high-temperature flue gas oxygen measurement system based on a zirconium oxide analyzer, characterized in that: The anti-blocking high-temperature flue gas oxygen measurement system based on the zirconium oxide analyzer includes a quick-connect device, a first filter unit, an analyzer component and an exhaust component, wherein: The quick-connect device can be detachably installed at a preset position of the oxygen device to be tested, and the quick-connect device has a connecting channel. The first end of the first filter unit is connected to the connecting channel through a pipeline, and the second end of the first filter unit is connected to the analyzer component through a pipeline. The first filter unit is configured to filter the water and impurities in the oxygen gas to be tested in the oxygen device to be tested and then transport them to the analyzer component. The analyzer component is configured to detect the zirconium oxide oxygen content of the oxygen gas to be tested after filtering the water and impurities. The analyzer component is connected to the exhaust component through a pipeline, and the exhaust component is at least configured to extract the oxygen gas to be tested in the oxygen device to be tested and discharge it after passing through the first filter unit and the analyzer component in sequence.

2. The anti-blocking high-temperature flue gas oxygen measurement system based on zirconium oxide analyzer according to claim 1 is characterized in that: The first filter unit includes a first mounting frame, a first filter element and a second filter element. The first filter element and the second filter element are installed on the first mounting frame in sequence and at intervals. The first filter element and the second filter element are connected by a pipeline. The first filter element is configured to filter the moisture in the oxygen gas to be tested, and the second filter element is configured to filter the impurities in the oxygen gas to be tested.

3. The anti-blocking high-temperature flue gas oxygen measurement system based on zirconium oxide analyzer according to claim 2 is characterized in that: The first filter element is a condenser, and the second filter element is a filter net.

4. The anti-blocking high-temperature flue gas oxygen measurement system based on zirconium oxide analyzer according to claim 1 is characterized in that: The analyzer assembly includes a second mounting frame, a detection component and a heating component, wherein the detection component and the heating component are mounted on the second mounting frame, an air inlet is provided on the second mounting frame, the heating component is connected to the detection component, and the heating component is configured to heat the detection component to a preset temperature, and the heated detection component is configured to detect the oxygen concentration of zirconium oxide in the oxygen gas to be measured; During detection, the heating component heats the detection component to a preset temperature, and the filtered oxygen gas to be detected flows into the detection component through the air inlet. The heated detection component detects the zirconium oxide oxygen concentration of the oxygen gas to be detected.

5. The anti-blocking high-temperature flue gas oxygen measurement system based on zirconium oxide analyzer according to claim 4 is characterized in that: The second mounting frame is sleeved with a sealing device to prevent air leakage during detection.

6. The anti-blocking high-temperature flue gas oxygen measurement system based on zirconium oxide analyzer according to claim 4 is characterized in that: The vacuum assembly includes a third mounting bracket, a vacuum pump and a third filter element. The first end of the third filter element is connected to the analyzer assembly via a pipeline, and the second end of the third filter element is connected to the vacuum pump via a pipeline. The third filter element is configured to filter impurities in the detected gas, and the vacuum pump is configured to draw the detected gas at the analyzer assembly to the third filter element for filtration and then discharge.

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