Synthesis gas detection device for high-temperature and high-pressure environment

Abstract

The utility model provides a synthesis gas detection device for a high-temperature and high-pressure environment. The synthesis gas detection device comprises a gas collector, a mist filter, a drainage cylinder, an aspirator, an electronic condenser, an electromagnetic valve, a gas tank, a flow meter, a polymeric membrane filter and a gas analyzer, the gas collector is connected with the mist filter, a connecting pipe of the gas collector and the mist filter forms an angle of 20-30 degrees relative to the horizontal plane, the mist filter is connected with the drainage cylinder, the aspirator is connected with the mist filter, the electronic condenser is connected with the aspirator, the electronic condenser is connected with the electromagnetic valve, and the electromagnetic valve is connected with the gas collector. The electromagnetic valve is connected with the flow meter, and the flow meter is connected with the polymeric membrane filter; a certain angle is formed between the gas collector and the mist filter, the high-pressure state of gas can be relieved, the temperature and pressure of the gas can be adjusted through the mist filter, the drainage cylinder and the condenser, damage of synthesis gas to the gas analyzer can be effectively reduced, the detection precision can be improved, and the service life can be prolonged.

Description

Technical Field

[0001] The utility model relates to the field of environmental monitoring, in particular to a synthesis gas detection device used in a high-temperature and high-pressure environment. Background Art

[0002] Syngas is primarily composed of carbon, hydrogen, and sulfur. Common syngas includes CO, CO2, CH4, and SO2, and can be emitted from combustion in boilers or waste incinerators. Conventional syngas detection devices are limited in their functionality, detecting only a single gas. Furthermore, they are susceptible to influences in high-temperature and high-pressure environments, resulting in inaccurate test results. Utility Model Content

[0003] The purpose of the present utility model is to solve the above-mentioned problems and provide a synthesis gas detection device for use in a high-temperature and high-pressure environment. A certain angle is formed between the gas collector and the mist filter, which can alleviate the high-pressure state of the gas. The temperature and pressure of the gas can be adjusted through the mist filter, the drain cylinder and the condenser, which can effectively reduce the damage of the synthesis gas to the gas analyzer and improve the detection accuracy and service life.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions.

[0005] A synthesis gas detection device for a high-temperature and high-pressure environment includes a gas collector, a mist filter, a drain cylinder, an aspirator, an electronic condenser, a solenoid valve, a gas tank, a flow meter, a polymer membrane filter and a gas analyzer; the gas collector is connected to the mist filter, and the connecting pipe between the gas collector and the mist filter is 20-30 degrees relative to the horizontal plane, the mist filter is connected to the drain cylinder, the aspirator is connected to the mist filter, the electronic condenser is connected to the aspirator, the electronic condenser is connected to the solenoid valve, the solenoid valve is connected to the flow meter, the flow meter is connected to the polymer membrane filter, and the polymer membrane filter is connected to the gas analyzer; the gas tank includes a range correction gas tank, a zero point gas tank and a standard gas tank; the flow meter includes a first flow meter, a second flow meter and a third flow meter; the gas analyzer includes a first analyzer, a second analyzer and a third analyzer.

[0006] Furthermore, a heated gas collector is used in the gas collector.

[0007] Furthermore, a stainless steel filter is provided in the gas collector.

[0008] Furthermore, the polymer membrane filter adopts polytetrafluoroethylene membrane.

[0009] Furthermore, the first analyzer is an oxide infrared gas analyzer.

[0010] Furthermore, the second analyzer is an alkane infrared gas analyzer.

[0011] Furthermore, the third analyzer is a sulfur-containing ultraviolet gas analyzer.

[0012] The positive effects of the synthetic gas detection device used in high temperature and high pressure environments of the utility model are:

[0013] The utility model forms a certain angle between the gas collector and the mist filter, which can alleviate the high-pressure state of the gas. The temperature and pressure of the gas can be adjusted through the mist filter, the drain cylinder and the condenser, which can effectively reduce the damage of the synthesis gas to the gas analyzer and improve the detection accuracy and service life; the infrared gas analyzer and the ultraviolet gas analyzer can be used to detect a variety of synthesis gases. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram provided by an embodiment of the present utility model.

[0015] The numbers in the figure are:

[0016] 1. Gas collector; 2. Mist filter; 3. Drain cylinder; 4. Aspirator; 5. Electronic condenser; 6. Solenoid valve; 7. Span calibration gas tank; 8. Zero point gas tank; 9. Standard gas tank; 10. First flow meter; 11. Second flow meter; 12. Third flow meter; 13. Polymer membrane filter; 14. First analyzer; 15. Second analyzer; 16. Third analyzer. DETAILED DESCRIPTION

[0017] The following is a specific implementation of the synthesis gas detection device for high temperature and high pressure environment of the present invention, which is given in conjunction with the accompanying drawings. However, it should be pointed out that the specific implementation is not intended to limit the specific implementation of the present invention. All similar structures and similar variations of the present invention should be included in the scope of protection of the present invention. The description of the following embodiments is with reference to the attached drawings to illustrate specific embodiments in which the present invention can be implemented. The directional terms mentioned in the embodiments, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., are only with reference to the directions of the attached drawings. Therefore, the directional terms used are used to illustrate and understand the present invention, rather than to limit the present invention.

[0018] See also Figure 1. A synthesis gas detection device for a high-temperature and high-pressure environment includes a gas collector, a mist filter, a drain cylinder, an aspirator, an electronic condenser, a solenoid valve, a gas tank, a flow meter, a polymer membrane filter and a gas analyzer; the gas collector is connected to the mist filter, the connecting pipe between the gas collector and the mist filter is 20-30 degrees relative to the horizontal plane, the mist filter is connected to the drain cylinder, the aspirator is connected to the mist filter, the electronic condenser is connected to the aspirator, the electronic condenser is connected to the solenoid valve, the solenoid valve is connected to the flow meter, the flow meter is connected to the polymer membrane filter, and the polymer membrane filter is connected to the gas analyzer; the gas tank includes a range correction gas tank, a zero point gas tank and a standard gas tank; the flow meter includes a first flow meter, a second flow meter and a third flow meter; the gas analyzer includes a first analyzer, a second analyzer and a third analyzer. In this embodiment, the connecting pipe between the gas collector and the mist filter is 20 degrees relative to the horizontal plane.

[0019] The gas collector utilizes a heated gas collector equipped with a stainless steel filter equipped with a filter screen with a pore diameter of 30-50 mm. In this embodiment, the filter screen has a pore diameter of 40 mm. The gas collector is equipped with a polytetrafluoroethylene (PTFE) tube. In the diagram, the gas collector is located above and to the left of the mist filter. High-temperature, high-pressure synthesis gas first passes through the collector, then through the inclined PTFE tube to the mist filter, then to the drain cylinder, then through the aspirator to the electronic condenser, then through the solenoid valve to the flowmeter, then through the polymer membrane filter, and finally to the gas analyzer. During zero calibration, gas from the zero-point gas tank passes through the solenoid valve, reaches the flowmeter, then through the polymer membrane filter, and finally to the gas analyzer.

[0020] The first flow meter corresponds to the first analyzer, with a polymer membrane filter disposed therebetween. The second flow meter corresponds to the second analyzer, with a polymer membrane filter disposed therebetween. The third flow meter corresponds to the third analyzer, with a polymer membrane filter disposed therebetween.

[0021] The mist filter is used to remove condensed water, aerosol and dust, especially the flue gas from boilers or waste incinerators, which has a lot of dust. The drain cylinder is divided into positive pressure and negative pressure, which is used to monitor and adjust the pressure of the gas. The aspirator is used to extract the gas. The electronic condenser is used to dehumidify the moisture in the gas. The solenoid valve is used to control the passage for introducing gas. The gas tank is used to calibrate the zero point and range of the analyzer. The flow meter is used to adjust and monitor the flow of gas. The polymer membrane filter uses a polytetrafluoroethylene membrane to remove fine dust. The first analyzer is an oxide-type infrared gas analyzer, which is used to detect carbon monoxide and carbon dioxide. The second analyzer is an alkane-type infrared gas analyzer, which is used to detect methane. The third analyzer is a sulfur-containing ultraviolet gas analyzer, which is used to detect sulfur dioxide.

[0022] The utility model forms a certain angle between the gas collector and the mist filter, which can alleviate the high-pressure state of the gas. The temperature and pressure of the gas can be adjusted through the mist filter, the drain cylinder and the condenser, which can effectively reduce the damage of the synthesis gas to the gas analyzer and improve the detection accuracy and service life; the infrared gas analyzer and the ultraviolet gas analyzer can be used to detect a variety of synthesis gases.

Claims

1. Synthesis gas detection device for high temperature and high pressure environment, characterized in that: It includes a gas collector, a mist filter, a drain cylinder, an aspirator, an electronic condenser, a solenoid valve, a gas tank, a flow meter, a polymer membrane filter and a gas analyzer; the gas collector is connected to the mist filter, the connecting pipe between the gas collector and the mist filter is 20-30 degrees relative to the horizontal plane, the mist filter is connected to the drain cylinder, the aspirator is connected to the mist filter, the electronic condenser is connected to the aspirator, the electronic condenser is connected to the solenoid valve, the solenoid valve is connected to the flow meter, the flow meter is connected to the polymer membrane filter, and the polymer membrane filter is connected to the gas analyzer; the gas tank includes a range correction gas tank, a zero point gas tank and a standard gas tank; the flow meter includes a first flow meter, a second flow meter and a third flow meter; the gas analyzer includes a first analyzer, a second analyzer and a third analyzer.

2. The synthesis gas detection device for high temperature and high pressure environment according to claim 1, characterized in that: A heated gas collector is used in the gas collector.

3. The synthesis gas detection device for high temperature and high pressure environment according to claim 2, characterized in that: A stainless steel filter is arranged in the gas collector.

4. The synthesis gas detection device for high temperature and high pressure environment according to claim 1, characterized in that: The polymer membrane filter adopts polytetrafluoroethylene membrane.

5. The synthesis gas detection device for high temperature and high pressure environment according to claim 1, characterized in that: The first analyzer is an oxide-based infrared gas analyzer.

6. The synthesis gas detection device for high temperature and high pressure environment according to claim 1, characterized in that: The second analyzer is an alkane infrared gas analyzer.

7. The synthesis gas detection device for high temperature and high pressure environment according to claim 1, characterized in that: The third analyzer is a sulfur-containing ultraviolet gas analyzer.

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