Methanation catalyst activity detection device

Abstract

The utility model relates to the technical field of catalysts, in particular to a methanation catalyst activity detection device which comprises a shell and further comprises a detection box arranged in the shell, a gas inlet pipe and a gas outlet pipe are fixedly connected to the two ends of the detection box respectively, a first carbon dioxide detector is arranged on the outer side of the gas inlet pipe, and a second carbon dioxide detector is arranged on the outer side of the gas outlet pipe. A second carbon dioxide detector is arranged on the outer side of the air outlet pipe; the adjusting piece is arranged on the outer side of the detection box, a heating piece is arranged in the shell, a moving piece is arranged on the outer side of the heating piece, and rotating joints are fixedly connected to the two ends of the detection box; the second gear is meshed with the gear ring to drive the detection box to rotate, so that a detection agent is uniformly distributed in the detection box, the detection efficiency is improved, and the heating plate on the connecting ring is used for heating the detection box, so that the temperature of the detection box is improved, the catalytic reaction effect is enhanced, and the detection efficiency of the catalyst activity is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of catalysts, in particular to an activity detection device for a methanation catalyst. Background Technique

[0002] A catalyst generally refers to a substance that increases the reaction rate without changing the total standard Gibbs free energy change of the reaction. It can also be expressed as a substance that can increase the chemical reaction rate in a chemical reaction without changing the chemical equilibrium, and whose own mass and chemical properties do not change before and after the chemical reaction. The methanation reaction is a reaction in which hydrogen reacts with carbon monoxide and carbon dioxide under certain temperature and the action of a methanation catalyst to generate methane and water.

[0003] The comparative document CN212808206U discloses an activity detection device for a carbon dioxide methanation catalyst. By setting a rotating rod, a connecting block, stirring blades, a pulley, a connecting belt, a rotating shaft, a driving motor and a mounting frame, the catalyst inside the detection box can be stirred, so that the catalyst can be evenly distributed inside the detection box, thus facilitating the catalytic reaction of the catalyst with carbon dioxide. However, in the above device, the air is first heated and then the detection box is heated by using the air, and the heating efficiency is poor. In addition, a plurality of connecting rods are inserted through the outside of the detection box, and the airtightness of the detection box is easily affected after long-term use. Content of the Utility Model

[0004] The purpose of the utility model is to provide an activity detection device for a methanation catalyst to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An activity detection device for a methanation catalyst, including a housing, further including: a detection box arranged inside the housing, both ends of the detection box are fixedly connected with an air inlet pipe and an air outlet pipe respectively, a first carbon dioxide detector is arranged outside the air inlet pipe, and a second carbon dioxide detector is arranged outside the air outlet pipe; an adjusting member arranged outside the detection box, a heating member is arranged inside the housing, and a moving member is arranged outside the heating member.

[0006] Preferably, both ends of the detection box are fixedly connected with rotary joints, and the air inlet pipe and the air outlet pipe are respectively fixedly connected with the two rotary joints.

[0007] Preferably, the adjusting member includes a first motor fixedly connected inside the housing, the output end of the first motor is fixedly connected with a first gear, a toothed ring is fixedly connected outside the detection box, and the first gear and the toothed ring are meshed.

[0008] Preferably, the heating element includes a limiting groove fixedly connected inside the housing. A moving block is slidably connected inside the limiting groove. A connecting ring is fixedly connected to the outside of the moving block. A heating plate is fixedly connected to the inner ring of the connecting ring.

[0009] Preferably, the moving member includes teeth fixedly connected to the top of the limiting groove. A fixing rod is fixedly connected to the outside of the connecting ring. A second motor is fixedly connected to the outside of the fixing rod. A second gear is fixedly connected to the output end of the second motor.

[0010] Preferably, a filling port is fixedly connected to the top of the detection box.

[0011] Preferably, legs are fixedly connected to the bottom of the housing. An observation window is arranged inside the housing.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] The present utility model drives the detection box to rotate by meshing the second gear with the toothed ring, so that the detection agent is evenly distributed inside the detection box, improving the detection efficiency. The heating plate on the connecting ring is used to heat-treat the detection box, thereby increasing the temperature of the detection box, enhancing the catalytic reaction effect, and improving the detection efficiency of the catalyst activity. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is a schematic structural diagram of the adjusting member of the present utility model;

[0016] Figure 3 is a schematic structural diagram of the heating element of the present utility model;

[0017] Figure 4 is a schematic structural diagram of the moving member of the present utility model.

[0018] In the figure: 1, housing; 2, intake pipe; 3, first carbon dioxide detector; 4, outlet pipe; 5, second carbon dioxide detector; 6, detection box; 7, adjusting member; 701, first motor; 702, first gear; 703, toothed ring; 8, heating element; 801, limiting groove; 802, moving block; 803, connecting ring; 804, heating plate; 9, moving member; 901, teeth; 902, fixing rod; 903, second motor; 904, second gear; 10, rotary joint. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] To further elaborate on the technical means and effects adopted by the present utility model to achieve the predetermined utility model purpose, the following, in conjunction with the accompanying drawings and preferred embodiments, details the specific implementation manners, structures, features, and their effects of the present utility model as follows.

[0020] Please refer to Figures 1-4 As shown, a device for detecting the activity of a methanation catalyst includes a housing 1, and further includes: a detection box 6 disposed inside the housing 1, with an inlet pipe 2 and an outlet pipe 4 fixedly connected to both ends of the detection box 6 respectively. A first carbon dioxide detector 3 is disposed outside the inlet pipe 2, and a second carbon dioxide detector 5 is disposed outside the outlet pipe 4; an adjusting member 7 is disposed outside the detection box 6, a heating member 8 is disposed inside the housing 1, and a moving member 9 is disposed outside the heating member 8.

[0021] It should be noted that: the detection box 6 is used to detect and process the catalyst, the first carbon dioxide detector 3 and the second carbon dioxide detector 5 are used to detect the concentration of carbon dioxide, thereby detecting the activity of the catalyst. The detection box 6 is heated by the heating member 8 to improve the detection efficiency, and the moving member 9 is used to rotate the detection box 6 to improve the detection efficiency.

[0022] As Figure 2 shown, rotary joints 10 are fixedly connected to both ends of the detection box 6, and the inlet pipe 2 and the outlet pipe 4 are respectively fixedly connected to the two rotary joints 10; the adjusting member 7 includes a first motor 701 fixedly connected inside the housing 1, a first gear 702 is fixedly connected to the output end of the first motor 701, a toothed ring 703 is fixedly connected to the outside of the detection box 6, and the first gear 702 and the toothed ring 703 are meshed. The first motor 701 drives the first gear 702 to rotate, and the first gear 702 meshes with the toothed ring 703 to drive the detection box 6 to rotate, so that the detection agent is evenly distributed inside the detection box 6, improving the detection efficiency.

[0023] As Figure 3 and Figure 4 shown, the heating member 8 includes a limiting groove 801 fixedly connected inside the housing 1, a moving block 802 is slidably connected inside the limiting groove 801, a connecting ring 803 is fixedly connected to the outside of the moving block 802, and a heating plate 804 is fixedly connected to the inner ring of the connecting ring 803. The connecting ring 803 covers the outside of the detection box 6, and the heating plate 804 on the connecting ring 803 is used to heat the detection box 6, thereby increasing the temperature of the detection box 6, enhancing the catalytic reaction effect, and improving the detection efficiency of the catalyst activity. The moving block 802 drives the connecting ring 803 to move inside the limiting groove 801, thereby evenly heating the detection box 6.

[0024] As Figure 3 and Figure 4As shown, the moving member 9 includes a tooth 901 fixedly connected to the top of the limiting groove 801. A fixed rod 902 is fixedly connected to the outer side of the connecting ring 803. A second motor 903 is fixedly connected to the outer side of the fixed rod 902. The output end of the second motor 903 is fixedly connected to a second gear 904. When the second motor 903 is turned on to drive the second gear 904 to rotate, the second gear 904 moves on the outer side of the tooth 901 to drive the second motor 903 to move, and the second motor 903 drives the fixed rod 902 and the connecting ring 803 to move.

[0025] As Figure 1 As shown, a filling port is fixedly connected to the top of the detection box 6; legs are fixedly connected to the bottom of the outer shell 1, and an observation window is arranged inside the outer shell 1. The detection agent is filled into the detection box 6 through the filling port. After the filling port is used, it is sealed. The outer shell 1 is supported and fixed by the legs, and the situation of the detection box 6 is observed through the observation window.

[0026] Working principle: Carbon dioxide gas is introduced into the detection box 6 through the air inlet pipe 2. The concentration of carbon dioxide before the reaction is detected by the first carbon dioxide detector 3. The carbon dioxide is input into the detection box 6 for catalytic reaction, and the carbon dioxide after the reaction is discharged through the air outlet pipe 4. The concentration of carbon dioxide after the reaction is detected by the second carbon dioxide detector 5. The activity of the catalyst is calculated using the concentration value of carbon dioxide. The first motor 701 drives the first gear 702 to rotate, and the first gear 702 meshes with the toothed ring 703 to drive the detection box 6 to rotate, so that the detection agent is evenly distributed inside the detection box 6, improving the detection efficiency. When the second motor 903 is turned on to drive the second gear 904 to rotate, the second gear 904 moves on the outer side of the tooth 901 to drive the second motor 903 to move, and the second motor 903 drives the fixed rod 902 and the connecting ring 803 to move. The connecting ring 803 drives the moving block 802 to move inside the limiting groove 801, improving the stability of the connecting ring 803. The detection box 6 is heated by the heating plate 804 on the connecting ring 803, thereby increasing the temperature of the detection box 6, enhancing the catalytic reaction effect, and improving the detection efficiency of the catalyst activity.

[0027] The above is only a preferred embodiment of the present invention, and it does not impose any form of limitation on the present invention. Although the present invention has been disclosed above with a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to form an equivalent embodiment with equivalent changes, but as long as it does not depart from the technical content of the present invention, any brief modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A device for detecting the activity of a methanation catalyst, comprising a housing (1), characterized in that, Further included are: A detection box (6) disposed inside the housing (1), with an intake pipe (2) and an outlet pipe (4) fixedly connected to both ends of the detection box (6) respectively. A first carbon dioxide detector (3) is disposed outside the intake pipe (2), and a second carbon dioxide detector (5) is disposed outside the outlet pipe (4); An adjusting member (7) disposed outside the detection box (6), a heating member (8) is disposed inside the housing (1), and a moving member (9) is disposed outside the heating member (8).

2. The activity detection device for a methanation catalyst according to claim 1, characterized in that: Rotary joints (10) are fixedly connected to both ends of the detection box (6), and the intake pipe (2) and the outlet pipe (4) are fixedly connected to the two rotary joints (10) respectively.

3. The methaneation catalyst activity detection device according to claim 1, characterized in that: The adjusting member (7) includes a first motor (701) fixedly connected inside the housing (1). The output end of the first motor (701) is fixedly connected to a first gear (702). A toothed ring (703) is fixedly connected to the outside of the detection box (6), and the first gear (702) and the toothed ring (703) are meshed.

4. The activity detection device for a methanation catalyst according to claim 1, wherein: The heating member (8) includes a limiting groove (801) fixedly connected inside the housing (1). A moving block (802) is slidably connected inside the limiting groove (801). A connecting ring (803) is fixedly connected to the outside of the moving block (802), and a heating plate (804) is fixedly connected to the inner ring of the connecting ring (803).

5. The activity detection device for a methanation catalyst according to claim 4, characterized in that: The moving member (9) includes teeth (901) fixedly connected to the top of the limiting groove (801). A fixed rod (902) is fixedly connected to the outside of the connecting ring (803). A second motor (903) is fixedly connected to the outside of the fixed rod (902), and the output end of the second motor (903) is fixedly connected to a second gear (904).

6. The activity detection device for a methanation catalyst according to claim 1, characterized in that: A filling port is fixedly connected to the top of the detection box (6).

7. The activity detection device for a methanation catalyst according to claim 1, wherein: Legs are fixedly connected to the bottom of the housing (1), and an observation window is disposed inside the housing (1).

Images