A carbon monoxide catalytic oxidation reaction equipment for laboratory
Patent Information
- Application Number
- CN202522273999.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-28
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-10-28
AI Technical Summary
虽然现有的CO催化氧化剂性能检测装置一定程度上满足了检测需要，但是受到结构及功能所限，也还存在如下亟待改进的技术缺点
[0011]与现有技术相比本实用新型的技术效果是：本新型多只卡套球阀和多只气瓶及空气发生器的排气管之间经气体卡套接头连接，这样，能方便不同种类气瓶后续输出气体进入反应器内（且能通过质量流量计精确控制多种气体进入反应器的量），通过鼓泡器能为多种气体内加入湿气，通过加热炉能为多种气体进行加热，这样就能控制混合气体及CO气体在一定湿度、温度模式下得到加湿、加热，尽可能模拟出生产现场气体（比如烟囱排放的烟气）排放的各种数据，由此能达到更好检测效果，为相应催化剂应用于实际生产起到了有利技术支持。综上，本新型具有好的应用前景。
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Figure CN224840094U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gas detection auxiliary equipment technology, and in particular to a carbon monoxide catalytic oxidation reaction device for laboratory use. Background Technology
[0002] When developing different types of CO catalytic oxidants in the laboratory (the core function of CO catalytic oxidants is to accelerate the reaction of carbon monoxide (CO) with oxygen to produce carbon dioxide (CO2) through a catalyst, and they are widely used in industrial production, environmental protection and energy conversion), or when testing the performance of already produced CO catalytic oxidants, in order to achieve good multi-data testing results, it is necessary to mix different gases from different gas cylinders with CO gas and air to simulate the gas composition discharged from the production site as much as possible, and then specifically verify the performance of the CO catalytic oxidant (which can then be used for actual on-site treatment of waste gas).
[0003] Existing laboratory CO catalytic oxidant performance testing devices (i.e., carbon monoxide catalytic oxidation reaction devices) generally include a mixer and a reactor. During testing, personnel open valves on different gas cylinders and introduce CO gas into the mixer's inlet. After uniform mixing inside the mixer, the gas enters the reactor (which contains the CO catalytic oxidant). Inside the reactor, the various gases undergo catalytic oxidation with the CO catalytic oxidant and are then discharged through the reactor's exhaust end to the inlet of a chromatograph. The chromatograph analyzes the incoming gas and determines whether the CO catalytic oxidant's oxidation conversion efficiency meets requirements based on the detected gas composition and content. While existing CO catalytic oxidant performance testing devices meet testing needs to some extent, they suffer from structural and functional limitations and have the following technical shortcomings that urgently require improvement: They lack gas heating and humidification functions, making it impossible to accurately simulate the gas composition at the production site. In other words, they cannot mimic the humidity, temperature, and composition of gases emitted from the production site, thus the test results cannot accurately reflect the actual on-site conditions. Therefore, it is particularly necessary to provide a device that can combine gas heating and humidification to simulate gas composition and test the performance of CO catalytic oxidants. Utility Model Content
[0004] To overcome the shortcomings of existing carbon monoxide catalytic oxidation reactors, which are limited by their structure and have the drawbacks described in the background art, this utility model provides a carbon monoxide catalytic oxidation reactor for laboratory use. This reactor, through the combined action of relevant mechanisms, can precisely control the amount of various gases entering the reactor based on data obtained from the field. It can also control the humidification and heating of the mixed gas and CO gas under certain humidity and temperature modes, simulating various gas data from the gas emission site as closely as possible. This achieves better detection and testing results and provides favorable technical support for the application of corresponding catalysts in actual production.
[0005] The technical solution adopted by this utility model to solve its technical problem is: A laboratory carbon monoxide catalytic oxidation reaction apparatus includes a frame, an air generator, ferrule ball valves, gas pressure regulating valves, mass flow meters, one-way valves, a bubbler, a heating furnace, a pressure gauge, a reactor, a water bath, and a mixer. Multiple ferrule ball valves, gas pressure regulating valves, mass flow meters, one-way valves, and pressure gauges are fixedly mounted on one side of the frame. The air generator is fixedly mounted on the outer end of one side of the frame. The inlet pipes of the multiple ferrule ball valves are connected to the air generator and the exhaust pipes of the multiple gas cylinders via gas ferrule connectors. The exhaust pipes of the multiple ferrule ball valves are connected to the inlet ends of the multiple gas pressure regulating valves. The valve exhaust end is connected to the inlet end of multiple mass flow meters, and the exhaust end of multiple mass flow meters is connected to the inlet end of multiple one-way valves. The mixer has multiple input pipes and one output pipe. The mixer is fixedly installed at the upper middle part of the frame. The exhaust ends of multiple one-way valves are connected to the multiple input pipes of the mixer. The lower end of the water bath is fixedly installed at the lower middle part of the frame. The lower end of the bubbler is fixedly installed on the water bath. The output pipe of the mixer is connected to the inlet pipe of the bubbler. The exhaust pipe of the bubbler is connected to the inlet pipe of the reactor. The exhaust pipe of the reactor is connected to the inlet end of the chromatograph after passing through the inlet pipe and exhaust pipe of a water vapor separator in series. The reactor is fixedly installed in the heating furnace. The heating furnace is fixedly installed at the upper part of the other side of the frame.
[0006] Furthermore, the inlet pipes of the multiple pressure gauges are fixedly connected to the pressure gauge interfaces of the multiple gas pressure regulating valves and the pressure gauge interface of the mixer, respectively.
[0007] Furthermore, water is added to the water bath.
[0008] Furthermore, the heating furnace includes an outer shell and electric heating plates, with multiple electric heating plates fixedly installed inside the outer shell, and openings at the upper and lower ends of the outer shell.
[0009] Furthermore, the reactor includes a reaction chamber and an inlet pipe and an outlet pipe. The lower end of the inlet pipe and the upper end of the outlet pipe are fixedly installed on the outside of the upper and lower ends of the reaction chamber, respectively. The reaction chamber contains a catalyst. The outside of the inlet pipe and the outlet pipe of the reactor are respectively installed in the openings at the upper and lower ends of the outer shell of the heating furnace, and the reaction chamber is located inside the outer shell.
[0010] Furthermore, one of the multiple gas cylinders contains CO gas.
[0011] Compared with existing technologies, the technical advantages of this invention are as follows: Multiple compression ball valves and the exhaust pipes of multiple gas cylinders and air generators are connected via gas compression fittings. This facilitates the entry of different types of gas cylinders' output gases into the reactor (and allows for precise control of the amount of various gases entering the reactor via a mass flow meter). A bubbler can add moisture to the various gases, and a heating furnace can heat them. This allows for the control of humidification and heating of the mixed gas and CO gas under specific humidity and temperature conditions, simulating various emission data from production site gases (such as flue gas emitted from chimneys) as closely as possible. This results in better detection performance and provides favorable technical support for the application of corresponding catalysts in actual production. In summary, this invention has good application prospects. Attached Figure Description
[0012] Figure 1 This is a right-side three-dimensional structural diagram of the entire utility model.
[0013] Figure 2 This is a left-side three-dimensional structural diagram of the entire utility model.
[0014] Figure 3 This is a schematic diagram of the overall front planar structure of this utility model.
[0015] Figure 4 This is a schematic diagram of the reactor of this utility model. Detailed Implementation
[0016] Figure 1 , 2As shown in Figures 3 and 4, a laboratory carbon monoxide catalytic oxidation reaction apparatus includes a frame 1, an air generator 2, a ferrule ball valve 3, a gas pressure regulating valve 4 (for stabilizing gas pressure), a mass flow meter 5, a one-way valve 6, a bubbler 7, a heating furnace 8, a pressure gauge 9 (displaying the pressure of various gases), a reactor 10, a water bath 11, and a mixer 12. There are six ferrule ball valves 3, six gas pressure regulating valves 4, six flow meters 5, and six one-way valves 6 (not limited to six), and seven pressure gauges 9 (not limited to seven). Six one-way valves 6 and seven pressure gauges 9 are fixedly installed on the upper and lower ends of the left fixing plate 101 of the frame 1, respectively. The display interfaces of the six flow meters 5 are located on the lower left side of the front of the frame 1. The air generator 2 is fixedly installed on the bottom plate on the left side of the frame 1. The chromatograph for detecting mixed gas (not shown in the figure) is fixedly installed on the lower right side of the frame 1. The inlet pipes of the six compression ball valves 3 and the exhaust pipes of the air generator 2 and the six gas cylinders (not shown in the figure, but not limited to six) are connected by gas compression fittings (a flexible hose connects the compression fittings and the exhaust pipes). The exhaust pipes of the six compression ball valves 3 The inlet ends of the six gas pressure regulating valves 4 are connected to the inlet ends of the six gas pressure regulating valves 4 and the inlet ends of the six flow meters 5 are fixedly connected to the inlet ends of the six flow meters 5 and the inlet ends of the six one-way valves 6 are fixedly connected to the inlet ends of the six one-way valves 6. The mixer 12 is a tank with six input pipes and one output pipe. The mixer 12 is fixedly installed at the upper middle part of the frame 1. The exhaust ends of the six one-way valves 6 and the six input pipes of the mixer 12 are fixedly connected to the inlet ends of the six one-way valves 6. The lower end of the water bath 11 is fixedly installed at the lower middle part of the frame 1. The lower end of the bubbler 7 (with an open structure at the lower end) is fixed. Installed on the water bath 11, the output pipe of the mixer 12 and the air inlet pipe of the bubbler 7 are fixedly connected by a pipe. The exhaust pipe of the bubbler 7 and the air inlet pipe of the reactor 10 are fixedly connected by a pipe. The exhaust pipe of the reactor 10 and the air inlet pipe of the chromatograph are connected in series by the air inlet and exhaust pipe of a water vapor separator (not shown in the figure) and then fixedly connected by a pipe (the exhaust pipe of the reactor 10 and the air inlet pipe of the water vapor separator are connected by a pipe, and the exhaust pipe of the water vapor separator and the air inlet pipe of the chromatograph are connected by a pipe). The reactor 10 is fixedly installed in the heating furnace 8, and the heating furnace 8 is fixedly installed on the upper right side of the frame.
[0017] Figure 1 , 2As shown in Figures 3 and 4, the display interfaces of the seven pressure gauges are located on the upper right side of the front of the frame. The air inlet pipes of the seven pressure gauges are fixedly connected to the pressure gauge interfaces of the six gas pressure regulating valves and the mixer pressure gauge interface. Water is added to the water bath 11. The heating furnace 8 (with temperature control and display functions) includes an outer shell and electric heating plates. The outer shell is a sealed structure. There are two electric heating plates, which are insulated and fixedly installed in the front and rear parts of the outer shell. There is an opening at the top and bottom of the outer shell. The power input terminal of the electric heating plate and the power output terminal of the temperature control device (which is essentially a power voltage regulator; a higher output voltage results in a higher heating temperature of the electric heating plate and a relatively higher temperature inside the outer shell; a lower output voltage results in a lower heating temperature of the electric heating plate and a relatively lower temperature inside the outer shell) are connected by wires. The power input terminal of the temperature control device and the two poles of the AC 220V power supply are connected by wires. Reactor 10 includes a reaction chamber 103, an inlet pipe 101, and an outlet pipe 102. The lower end of the inlet pipe 101 and the upper end of the outlet pipe 102 are fixedly installed on the outer middle of the upper and lower ends of the reaction chamber 103, respectively. The reaction chamber 103 contains a catalyst. The outer middle portions of the inlet pipe and outlet pipe of reactor 10 are sealed with nuts and installed in the openings at the upper and lower ends of the outer shell of the heating furnace 8, with the reaction chamber located inside the outer shell. In the gas supply cylinders, one cylinder contains CO gas, while the other cylinders contain other gases (such as sulfur dioxide, nitrogen oxides, carbon dioxide, hydrogen sulfide, etc.).
[0018] Figure 1 , 2As shown in Figures 3 and 4, the six compression ball valves 3 and the five gas cylinders (steel cylinders) and the exhaust pipe of the air generator are connected by gas compression fittings. This allows for convenient subsequent output of gas from different types of gas cylinders into the reactor (and enables precise control of the amount of various gases entering the reactor) for detection. Specifically, the gases from multiple cylinders and the gas output from the air generator enter the gas pressure regulating valve and flow meter respectively through the ferrule ball valve. According to the different gas output from the corresponding cylinders and the air output from the air generator 2 displayed by the multiple flow meters 5, the operator adjusts the control panel adjustment buttons of the six flow meters 3 to set the flow rates of various gases input into the reactor. Multiple gases enter the mixer 12 through the one-way valve 6 (to prevent gas backflow). After mixing, the multiple gases enter the bubbler 7. Under the impact of the airflow, the water in the water bath 11 evaporates to produce moisture (heating below the boiling point of the water bath will also produce a certain amount of water vapor), which enters the heating furnace 8 along with the multiple gases. After the multiple gases are heated (the temperature of the electric heating plate is adjusted by the temperature control device, which in turn adjusts the temperature inside the outer shell, and the heating temperature can reach up to 700°C), they react with the catalyst in the reactor 10. Then, after the water vapor is separated by the water vapor separation device, the mixed gas enters the chromatograph for analysis, and the data of multiple gases can be obtained. It should be noted that many of the components used in this invention are existing mature products, and therefore this application will not elaborate on their structures and working principles one by one. Through all the above technical solutions, the mixed gas and CO gas can be humidified and heated under certain humidity and temperature conditions, simulating various data of gas emissions from the production site as closely as possible. This achieves better detection and analysis results, providing favorable technical support for the application of corresponding catalysts in actual production.
[0019] Those skilled in the art should understand that although this specification describes embodiments, the embodiments do not necessarily contain only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art. Therefore, the scope of protection of this application is defined by the claims.
Claims
1. A laboratory apparatus for the catalytic oxidation of carbon monoxide, comprising a frame, an air generator, a ferrule ball valve, a gas pressure regulating valve, a mass flow meter, a one-way valve, a bubbler, a heating furnace, a pressure gauge, a reactor, a water bath, and a mixer; characterized in that... The device comprises multiple units of each of the following: compression ball valves, gas pressure regulating valves, mass flow meters, one-way valves, and pressure gauges. These multiple gas pressure regulating valves, compression ball valves, mass flow meters, one-way valves, and pressure gauges are fixedly installed on one side of the frame. The air generator is fixedly installed on the outer end of one side of the frame. The inlet pipes of the multiple compression ball valves are connected to the air generator and the exhaust pipes of the multiple gas cylinders via gas compression fittings. The exhaust pipes of the multiple compression ball valves are connected to the inlet ends of the multiple gas pressure regulating valves. The exhaust ends of the multiple gas pressure regulating valves are connected to the inlet ends of the multiple mass flow meters. The exhaust ends of the multiple mass flow meters are connected to the multiple one-way valves. The air inlet is connected to the mixer, which has multiple input pipes and one output pipe. The mixer is fixedly installed at the upper middle part of the frame. The exhaust ends of multiple one-way valves are connected to the multiple input pipes of the mixer. The lower end of the water bath is fixedly installed at the lower middle part of the frame. The lower end of the bubbler is fixedly installed on the water bath. The output pipe of the mixer is connected to the air inlet pipe of the bubbler. The exhaust pipe of the bubbler is connected to the air inlet pipe of the reactor. The exhaust pipe of the reactor is connected to the air inlet of the chromatograph after passing through the air inlet pipe and exhaust pipe of a water vapor separator in series. The reactor is fixedly installed inside the heating furnace. The heating furnace is fixedly installed at the upper part of the other side of the frame.
2. The apparatus for catalytic oxidation of carbon monoxide in a laboratory according to claim 1, characterized in that, The inlet pipes of multiple pressure gauges are fixedly connected to the pressure gauge interfaces of multiple gas pressure regulating valves and the pressure gauge interface of the mixer.
3. The apparatus for catalytic oxidation of carbon monoxide in a laboratory according to claim 1, characterized in that, Water was added to the water bath.
4. The apparatus for catalytic oxidation of carbon monoxide in a laboratory according to claim 1, characterized in that, The heating furnace includes an outer shell and electric heating plates. Multiple electric heating plates are fixedly installed inside the outer shell. The outer shell has openings at the top and bottom.
5. The apparatus for catalytic oxidation of carbon monoxide in a laboratory according to claim 1, characterized in that, The reactor includes a reaction chamber, an inlet pipe, and an exhaust pipe. The lower end of the inlet pipe and the upper end of the exhaust pipe are fixedly installed on the outside of the upper and lower ends of the reaction chamber, respectively. The reaction chamber contains a catalyst. The outside of the inlet pipe and the exhaust pipe of the reactor are installed in the openings at the upper and lower ends of the outer shell of the heating furnace, respectively, and the reaction chamber is located inside the outer shell.
6. The apparatus for catalytic oxidation of carbon monoxide in a laboratory according to claim 1, characterized in that, Among the multiple gas cylinders, one of them contains CO gas.