Integrated equipment for verifying performance of carbon monoxide catalyst

Abstract

The utility model discloses integrated equipment for verifying the performance of a carbon monoxide catalyst, and belongs to the field of flue gas treatment devices. All functional parts in the carbon monoxide catalyst performance verification equipment are integrated and transported to a site to be simply installed, and then testing can be started, so that the occupied area of the equipment can be effectively reduced, the installation time is shortened, and the applicability is high. The multiple CO catalyst reactors in the integrated device are arranged in parallel, multiple CO catalysts can be tested at the same time at a time, therefore, the testing time can be saved, the performance of different catalysts can be compared and analyzed at the same time under the corresponding flue gas condition, the error is small, and the accuracy is high. The device is provided with the electric heater, the heating power is adjusted in real time according to the temperature of the CO catalyst in front of the test reactor, and the temperature of the flue gas entering the test reactor is kept in the reaction temperature window interval of the CO catalyst, so that more sampling positions of the on-site flue gas can be selected, and the applicability to on-site test conditions is higher.

Description

An integrated device for verifying the performance of carbon monoxide catalysts Technical Field

[0001] This application relates to the field of flue gas treatment devices, and in particular to an integrated device for verifying the performance of carbon monoxide catalysts. Background Technology

[0002] CO is a major air pollutant that not only poses a significant threat to human health but also undergoes photochemical reactions with non-methane hydrocarbons and NOx in the atmosphere, forming chemical smog, which is extremely detrimental to improving air quality. Industrial emissions are one of the main sources of CO. Large quantities of CO are generated in numerous industrial processes such as coal gasification, coking, ammonia synthesis, and steel smelting. For example, incomplete coal gasification releases CO, and coking ovens also generate large amounts of CO and release it into the atmosphere during coal dry distillation. With increasingly stringent environmental standards, the requirements for industrial CO emissions will become more stringent, making industrial CO reduction an urgent priority. The most promising and effective method for industrial CO reduction is CO catalytic oxidation technology. This technology utilizes the action of a CO catalyst to effectively lower the activation energy of the reaction between CO and O2, allowing it to be oxidized to CO2 at lower temperatures. Simultaneously, the heat released during CO oxidation can be recovered and utilized, achieving both CO reduction and energy conservation.

[0003] The industrial application of CO catalysts, the core component of CO catalytic oxidation technology, is still immature. Existing high-efficiency CO catalysts in industrial applications are all precious metal catalysts. These catalysts are not only expensive but also very delicate, highly sensitive to SO2, SO3, HCl, HF, heavy metals, and fine dust in flue gas, and are prone to deactivation. Furthermore, the quality of CO catalysts on the market varies greatly. If industrial enterprises blindly choose expensive CO catalysts without testing, failure in application can lead to huge losses. Therefore, developing a testing device that can quickly and accurately screen for highly active, selective, and stable CO catalysts is crucial. Summary of the Invention

[0004] This application provides an integrated device for verifying the performance of carbon monoxide catalysts. It solves the problem of poor flexibility in the use of existing CO testing devices. The technical solution is as follows:

[0005] On the one hand, an integrated device for verifying the performance of a carbon monoxide catalyst is provided. The device includes: at least two CO test channels arranged side by side, an inlet CO concentration detector, an outlet CO concentration detector, and a PLC control console. Each of the CO test channels has: a regulating valve assembly, a first thermal resistor, an electric heater, a second thermal resistor, and a CO catalyst reactor.

[0006] The imported CO concentration detector is installed on the inlet flue of the CO catalyst reactor and is electrically connected to the PLC control console;

[0007] The regulating valve assembly is installed on the inlet flue to regulate the flow rate of flue gas to the CO catalyst reactor, and the regulating valve assembly is electrically connected to the PLC control console;

[0008] The first thermal resistor, the second thermal resistor, and the electric heater are all installed on the inlet flue, with the first thermal resistor located between the electric heater and the regulating valve assembly, and the second thermal resistor located between the electric heater and the inlet of the CO catalyst reactor. The first thermal resistor, the second thermal resistor, and the electric heater are all electrically connected to the PLC control console.

[0009] The outlet CO concentration detector is installed on the outlet flue of the CO catalyst reactor and is electrically connected to the PLC control console.

[0010] Optionally, the regulating valve assembly includes a reactor inlet valve and an inlet flow meter, the inlet flow meter being located between the reactor inlet valve and the inlet of the CO catalyst reactor.

[0011] Optionally, the integrated device for verifying the performance of the carbon monoxide catalyst further includes: a reactor outlet thermal resistor installed on the outlet flue, the reactor outlet thermal resistor being electrically connected to the PLC control console.

[0012] Optionally, the integrated device for verifying the performance of the carbon monoxide catalyst further includes a reactor outlet valve installed on the outlet flue.

[0013] Optionally, the inlet CO concentration detector has a first solenoid valve distributed between the inlet of the inlet CO concentration detector and each of the inlet flues; the outlet CO concentration detector has a second solenoid valve distributed between the inlet of the outlet CO concentration detector and each of the outlet flues.

[0014] Optionally, the integrated device for verifying the performance of the carbon monoxide catalyst further includes: a flue and a fan, with at least two outlet flues connected to the flue, and the fan installed on the flue.

[0015] Optionally, the CO catalyst reactor includes: a reactor shell, and at least one layer of CO catalyst fixed inside the reactor shell.

[0016] Optionally, the integrated device for verifying the performance of the carbon monoxide catalyst further includes a connecting bracket for connecting the various reactor shells.

[0017] Optionally, the integrated device for verifying the performance of the carbon monoxide catalyst further includes a support frame, in which the at least two CO test channels, the inlet CO concentration detector, the outlet CO concentration detector, and the PLC control console arranged side by side are all installed.

[0018] The beneficial effects of the technical solutions provided in this application include at least the following:

[0019] This integrated carbon monoxide catalyst performance verification equipment combines all functional components into a single unit. After simple on-site installation, testing can begin immediately, effectively reducing equipment footprint and installation time, and offering strong applicability. Multiple CO catalyst reactors within the integrated unit are connected in parallel, allowing for simultaneous testing of various CO catalysts. This not only saves testing time but also enables simultaneous comparative analysis of different catalyst performance under corresponding flue gas conditions, resulting in minimal error and high accuracy. The integrated unit also includes an electric heater that adjusts the heating power in real-time based on the temperature before the CO catalyst test reactor, ensuring the flue gas temperature entering the test reactor remains within the CO catalyst's reaction temperature window. This allows for more sampling locations of the flue gas on-site, enhancing its applicability to various testing conditions. The entire system is controlled by a built-in PLC, allowing real-time viewing of test data on a display screen. The control of each device within the unit is also integrated into the PLC, enabling one-button start / stop functionality and a high degree of automation. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 is a structural block diagram of an integrated device for verifying the performance of a carbon monoxide catalyst provided in an embodiment of this application;

[0022] Figure 2 is a structural block diagram of another integrated device for verifying the performance of carbon monoxide catalysts provided in an embodiment of this application.

[0023] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings.

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] It should be understood that the phrase "one embodiment" or "an embodiment" throughout the specification means that a specific feature, structure, or characteristic related to the embodiment is included in at least one embodiment of the present invention. Therefore, "in one embodiment" or "in an embodiment" appearing throughout the specification do not necessarily refer to the same embodiment. Furthermore, these specific features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0027] In related technologies, CO catalyst detection devices suffer from at least one of the following problems:

[0028] (1) When testing CO catalysts in actual flue gas on-site, it is necessary not only to evaluate the instantaneous catalytic efficiency of the catalyst, but also to examine the stability of the catalytic performance of the CO catalyst under actual flue gas conditions over a long period of time. This means that current single-reactor testing devices require two or even more times the time to test and compare catalysts from different manufacturers, or multiple testing devices need to be added to conduct tests simultaneously in order to screen out a more stable and reliable CO catalyst suitable for on-site flue gas. These measures undoubtedly increase the testing time or cost.

[0029] (2) Some existing testing devices only have a CO catalyst testing reactor, which introduces the flue gas directly into the test without pretreatment. Since the reaction of the CO catalyst needs to be carried out within a certain temperature window, some devices can only take the actual flue gas within this temperature window for testing. However, the sampling location of the flue gas within this temperature window may be at a high place or in a difficult-to-sampling location. Therefore, some testing devices are not suitable for some complex industrial sites.

[0030] (3) The existing devices lack accuracy and automation in the testing process. The instruments are scattered, and data from each instrument point needs to be monitored and recorded during the test, which is not only time-consuming and labor-intensive but also introduces errors. In terms of control, the start-up and shutdown of the device requires manual shutdown of equipment and valves, which is cumbersome.

[0031] (4) The equipment is numerous and scattered, making on-site installation cumbersome. Since CO catalyst testing devices are mostly used in industrial sites, the equipment inside the device is relatively scattered, and there are many instruments and pipelines. On-site assembly, wiring, debugging and other work are required, and the on-site conditions are relatively complex, making this work time-consuming and labor-intensive.

[0032] Please refer to Figure 1, which is a structural block diagram of an integrated device for verifying the performance of a carbon monoxide catalyst according to an embodiment of this application. The integrated device for verifying the performance of a carbon monoxide catalyst may include: at least two CO test channels A arranged side-by-side, an inlet CO concentration detector 100, an outlet CO concentration detector 200, and a PLC control console 300. Each CO test channel A may include: a regulating valve assembly 400, a first thermal resistor 500, an electric heater 600, a second thermal resistor 700, and a CO catalyst reactor 800. The PLC control console 300 may include a touch screen and a processor. The touch screen may display a human-machine interface, allowing operators to control the various components of the device by receiving instructions from the operators.

[0033] The imported CO concentration detector 100 in the integrated device for verifying the performance of carbon monoxide catalysts can be installed on the inlet flue 801 of the CO catalyst reactor 800 and can be electrically connected to the PLC control console 300. For example, the imported CO concentration detector 100 can have a first solenoid valve 101 distributed between the inlet of the imported CO concentration detector 100 and each inlet flue 801. The PLC control console can control the opening and closing of the first solenoid valve 101, and measure the CO concentration in the flue gas through the imported CO concentration detector 100 and receive the measured CO concentration signal.

[0034] In the integrated device used for carbon monoxide catalyst performance verification, the regulating valve assembly 400 is installed on the inlet flue 801 to regulate the flow rate of flue gas flowing to the CO catalyst reactor 800. The regulating valve assembly 400 can be electrically connected to the PLC control console 300. The PLC control console 300 can receive the flow signal after the regulating valve assembly 400 regulates the flue gas flow rate.

[0035] In the integrated device used for carbon monoxide catalyst performance verification, the first thermal resistor 500, the second thermal resistor 700, and the electric heater 600 can all be installed in the inlet flue 801. The first thermal resistor 500 can be located between the electric heater 600 and the regulating valve assembly 400, and the second thermal resistor 700 can be located between the electric heater 600 and the inlet of the CO catalyst reactor 800. Furthermore, the first thermal resistor 500, the second thermal resistor 700, and the electric heater 600 can all be electrically connected to the PLC control console 300.

[0036] The outlet CO concentration detector 200 in the integrated device for verifying the performance of the carbon monoxide catalyst is installed on the outlet flue 802 of the CO catalyst reactor 800 and can be electrically connected to the PLC control console 300. For example, the outlet CO concentration detector 200 may have second solenoid valves 201 distributed between the inlet of the outlet CO concentration detector 200 and each outlet flue 802. The PLC control console 300 can control the opening and closing of the second solenoid valves 201, and measure the CO concentration in the flue gas through the outlet CO concentration detector 200 and receive the measured CO concentration signal.

[0037] In this embodiment, the various functional components of the carbon monoxide catalyst performance verification equipment are integrated into one unit. After simple installation on-site, testing can begin immediately, effectively reducing equipment footprint and installation time, and offering strong applicability. Multiple CO catalyst reactors within the integrated unit are connected in parallel, allowing for simultaneous testing of multiple CO catalysts. This not only saves testing time but also enables comparative analysis of the performance of different catalysts under corresponding flue gas conditions, resulting in low error and high accuracy. The integrated unit also includes an electric heater that adjusts the heating power in real-time based on the temperature before the CO catalyst test reactor, ensuring that the flue gas temperature entering the test reactor remains within the CO catalyst's reaction temperature window. This allows for more sampling locations of the flue gas on-site, increasing applicability to on-site testing conditions. The entire unit is controlled by a built-in PLC, allowing real-time viewing of test data on a display screen. The control of each device within the unit is also integrated into the PLC, enabling one-button start / stop functionality and a high degree of automation.

[0038] For example, an inlet CO concentration detector 100 is installed in the flue gas inlet duct 801. A PLC control console 300 controls the opening of the first solenoid valve 101 corresponding to different inlet flues 801. The inlet CO concentration detector 100 extracts the flue gas from different inlet flues 801 and detects the original CO concentration of the flue gas in each inlet flue. Before the flue gas enters the CO catalyst reactor 800, the flue gas flow rate is adjusted by the regulating valve assembly 400 to meet the space velocity conditions for entering the subsequent CO catalyst reactor 800. Then, it enters the electric heater 600 to be heated to a suitable temperature, precisely controlling the flue gas parameters entering the CO catalyst reactor 800. The inlet and outlet pipes of the electric heater 600 are equipped with a first thermal resistor 500 and a second thermal resistor 700. The electric heater 600 adjusts the heating power in real time based on the temperature feedback from the first thermal resistor 500 and the second thermal resistor 700, ensuring that the temperature of the flue gas entering the CO catalyst reactor 800 reaches the required test temperature. Multiple CO catalyst reactors 800 are arranged in parallel, allowing for simultaneous testing of various scenarios depending on the number of CO catalyst samples or flue gas operating conditions. As flue gas passes through the CO catalyst reactors, CO in the flue gas is converted to CO2 under the action of the catalyst. Different CO catalysts will have different CO removal efficiencies and heat releases. The outlet CO concentration can be detected by the outlet CO concentration detector 200, thus determining the CO removal efficiency. The outlet CO concentration detector 200 extracts flue gas from different outlet flue ducts 801 when the second solenoid valve 201 is opened under PLC control, detecting the CO concentration at the outlet of the CO catalyst reactors. This allows a single outlet CO concentration detector to monitor the CO concentration at the outlets of multiple CO catalyst reactors.

[0039] In summary, this application provides an integrated device for verifying the performance of carbon monoxide catalysts. This device may include at least two CO test channels arranged side-by-side, an inlet CO concentration detector, an outlet CO concentration detector, and a PLC control console. Each CO test channel includes a regulating valve assembly, a first thermal resistor, an electric heater, a second thermal resistor, and a CO catalyst reactor. Integrating all functional components of the carbon monoxide catalyst performance verification device into one unit allows for simple installation and immediate testing upon arrival at the site, effectively reducing equipment footprint and installation time, and offering strong applicability. The parallel arrangement of multiple CO catalyst reactors within the integrated device allows for simultaneous testing of multiple CO catalysts. This not only saves testing time but also enables simultaneous comparative analysis of the performance of different catalysts under corresponding flue gas conditions, resulting in small errors and high accuracy. The integrated device also includes an electric heater that adjusts the heating power in real-time based on the temperature before the CO catalyst test reactor, ensuring that the flue gas temperature entering the test reactor remains within the CO catalyst's reaction temperature window range. This allows for more sampling locations of the flue gas on-site and enhances applicability to on-site testing conditions. The entire device is controlled by a built-in PLC, allowing real-time viewing of test data on the display screen. The control of each device within the device is also integrated into the PLC, enabling one-button start and stop functions and a high degree of automation.

[0040] Optionally, please refer to Figure 2, which is a structural block diagram of another integrated device for verifying the performance of a carbon monoxide catalyst provided in an embodiment of this application. The regulating valve assembly 400 may include a reactor inlet valve 401 and an inlet flow meter 402, which may be located between the reactor inlet valve 401 and the inlet of the CO catalyst reactor 800. Thus, the flue gas flow rate can be adjusted through the reactor inlet valve 401, and the flow rate of the flue gas entering the CO catalyst reactor 800 can be measured through the inlet flow meter 402 to detect and analyze the impact of flow rate on CO removal. It should be noted that the regulating valve assembly 400 may also be a flow restrictor, which can be used to regulate the flow rate of the flue gas entering the CO catalyst reactor.

[0041] In this embodiment, as shown in Figure 2, the integrated device for verifying the performance of the carbon monoxide catalyst may further include a reactor outlet thermal resistor 900 installed on the outlet flue 802, which can be electrically connected to the PLC control console 300. Thus, the flue gas temperature of the CO catalyst reactor 800 can be measured through the reactor outlet thermal resistor 900, thereby obtaining flue gas temperature rise data.

[0042] Optionally, as shown in Figure 2, the integrated device for verifying the performance of the carbon monoxide catalyst may further include a reactor outlet valve 1000 installed on the outlet flue 802. For example, the reactor outlet valve 1000 may be an electrically operated valve connected to the PLC control panel 300. Thus, the reactor outlet valve 1000 installed on the outlet flue 802 of the CO catalyst reactor 800 is normally open when the integrated device is in normal operation, and normally closed after the integrated device completes the testing process, to protect the reliability of the CO catalyst within the CO catalyst reactor 800.

[0043] As shown in Figure 2, the integrated device for verifying the performance of a carbon monoxide catalyst in this application may further include: a flue gas duct 1100 and a blower 1200. At least two outlet flues 801 can be connected to the flue gas duct 1100, and the blower 1200 can be installed on the flue gas duct 1100. In this way, the blower 1200 can draw the flue gas in the outlet flues 801 into the flue gas duct 1100 and then discharge it to a suitable location.

[0044] Optionally, as shown in Figure 2, the CO catalyst reactor 800 may include: a reactor shell 803, and at least one layer of CO catalyst 804 fixed within the reactor shell 803. For example, the CO catalyst 804 may be one layer or multiple layers, and the multiple layers of CO catalyst 804 may be arranged in an array.

[0045] For example, as shown in Figure 2, the integrated device for verifying the performance of carbon monoxide catalysts may also include a connecting bracket B that connects the various reactor shells 803.

[0046] In this embodiment, the integrated device for verifying the performance of carbon monoxide catalysts may further include: a support frame (not shown in the figure), in which at least two CO test channels A, an inlet CO concentration detector 100, an outlet CO concentration detector 200, and a PLC control console 300 arranged side by side can all be installed. This integrated design effectively reduces the equipment footprint, installation time, and versatility. Once installed at the testing site, it is easy to install on-site; only the inlet and outlet pipes and the power bus need to be connected, and testing can be conducted via a switch, making operation simple.

[0047] The integrated device embodiment for carbon monoxide catalyst performance verification and the usage method embodiment of the integrated device for carbon monoxide catalyst performance verification provided in this invention can be referred to each other, and will not be described again in this invention.

[0048] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The term "multiple" refers to two or more unless otherwise expressly defined.

[0049] The above description is merely an optional embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An integrated device for verifying the performance of carbon monoxide catalysts, characterized in that, include: The system includes at least two CO test channels arranged side by side, an inlet CO concentration detector, an outlet CO concentration detector, and a PLC control console. Each CO test channel includes: a regulating valve assembly, a first thermal resistor, an electric heater, a second thermal resistor, and a CO catalyst reactor. The imported CO concentration detector is installed on the inlet flue of the CO catalyst reactor and is electrically connected to the PLC control console; the regulating valve assembly is installed on the inlet flue to regulate the flow rate of flue gas to the CO catalyst reactor, and the regulating valve assembly is electrically connected to the PLC control console; the first thermal resistor, the second thermal resistor, and the electric heater are all installed on the inlet flue, with the first thermal resistor located between the electric heater and the regulating valve assembly, and the second thermal resistor located between the electric heater and the inlet of the CO catalyst reactor, and the first thermal resistor, the second thermal resistor, and the electric heater are all electrically connected to the PLC control console; The outlet CO concentration detector is installed on the outlet flue of the CO catalyst reactor and is electrically connected to the PLC control console.

2. The integrated device for verifying the performance of carbon monoxide catalysts according to claim 1, characterized in that, The regulating valve assembly includes a reactor inlet valve and an inlet flow meter, the inlet flow meter being located between the reactor inlet valve and the inlet of the CO catalyst reactor.

3. The integrated device for verifying the performance of carbon monoxide catalysts according to claim 2, characterized in that, The integrated device for verifying the performance of the carbon monoxide catalyst also includes a reactor outlet thermal resistor installed on the outlet flue, which is electrically connected to the PLC control console.

4. The integrated device for verifying the performance of carbon monoxide catalysts according to claim 3, characterized in that, The integrated device for verifying the performance of the carbon monoxide catalyst also includes a reactor outlet valve installed on the outlet flue.

5. The integrated device for verifying the performance of carbon monoxide catalysts according to claim 1, characterized in that, The imported CO concentration detector has a first solenoid valve distributed between the inlet of the imported CO concentration detector and each of the imported flues; The outlet CO concentration detector has a second solenoid valve distributed between the inlet of the outlet CO concentration detector and each of the outlet flues.

6. The integrated device for verifying the performance of a carbon monoxide catalyst according to any one of claims 1-5, characterized in that, The integrated device for verifying the performance of the carbon monoxide catalyst further includes: a flue and a fan, with at least two outlet flues connected to the flue, and the fan installed on the flue.

7. The integrated device for verifying the performance of a carbon monoxide catalyst according to claim 6, characterized in that, The CO catalyst reactor includes: a reactor shell, and at least one layer of CO catalyst fixed inside the reactor shell.

8. The integrated device for verifying the performance of a carbon monoxide catalyst according to claim 7, characterized in that, The integrated device for verifying the performance of the carbon monoxide catalyst also includes a connecting bracket that connects the various reactor shells.

9. The integrated device for verifying the performance of a carbon monoxide catalyst according to any one of claims 1-5 and 7-8, characterized in that, The integrated device for verifying the performance of carbon monoxide catalyst also includes a support frame, in which the at least two CO test channels, the inlet CO concentration detector, the outlet CO concentration detector, and the PLC control console arranged side by side are all installed.

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