Anti-blocking catalyst sampling device

Abstract

The utility model provides an anti-blocking catalyst sampling device, which solves the technical problem that catalyst particles are easy to accumulate in a sampling pipeline in the use process of the traditional sampling device at present. Comprising a sampling tube; the sampling tank is connected with the fluidized bed through a sampling pipe and is provided with a pressure relief pipe and a first discharge pipe; the first working unit comprises a first air bag communicated with the sampling tube through a first working tube; the driving unit comprises a first extrusion plate, a second extrusion plate and a driving part, one of the first extrusion plate and the second extrusion plate is provided with an insertion groove, the other one is provided with an insertion part, and the driving part drives the first extrusion plate or the second extrusion plate to reciprocate in the radial direction of the air bag so that the insertion part can be inserted into or spaced from the insertion groove; the second working unit comprises a second working pipe communicated with the sampling pipe and a second air bag communicated with the second working pipe, the air blowing pipe is connected with the first working pipe, and the catalyst in the pipeline is prevented from being blocked or detained through the air blowing effect of the first air bag and the second air bag on the pipeline.

Description

Technical Field

[0001] This utility model relates to the technical field of catalyst sampling devices, and more specifically, to a catalyst sampling device that prevents clogging. Background Technology

[0002] Fluidized beds are often used in chemical production processes to produce materials. Catalyst sampling is an important step in monitoring the reaction process and evaluating catalyst performance to ensure the smooth progress of the reaction.

[0003] Current sampling devices typically use a sampling hopper connected to a fluidized bed reactor. Sampling is completed by opening a valve between the two. However, this traditional sampling method often faces problems such as inaccurate sampling and pipeline blockage, affecting the representativeness of the samples and the efficiency of subsequent production lines. In particular, in fluidized bed reactors, catalyst particles tend to accumulate in the sampling pipeline, leading to inaccurate sampling and impacting system safety and maintenance costs. Utility Model Content

[0004] The purpose of this invention is to provide a catalyst sampling device that prevents clogging, thereby solving the technical problem that catalyst particles tend to accumulate in the sampling pipeline during the use of traditional fluidized bed sampling devices, leading to inaccurate sampling.

[0005] This utility model is achieved through the following technical solution:

[0006] A catalyst sampling device for preventing clogging includes a sampling tube, a sampling container, a first working unit, a driving unit, a second working unit, and a blowing pipe;

[0007] The sampling tank is connected to the fluidized bed via the sampling pipe, and the sampling tank is equipped with a pressure relief pipe and a first discharge pipe;

[0008] The first working unit includes a first working tube connected to the sampling tube and a first airbag connected to the first working tube;

[0009] The second working unit includes a second working tube connected to the sampling tube and a second airbag connected to the second working tube;

[0010] The driving unit includes a first extrusion plate, a second extrusion plate, and a driving member. One of the first extrusion plate and the second extrusion plate is provided with an insertion slot, and the other is provided with an insertion member. The first extrusion plate and the second extrusion plate are respectively disposed on both sides of the first airbag or the second airbag. The driving member drives the first extrusion plate or the second extrusion plate to reciprocate along the radial direction of the first airbag or the second airbag, so that the insertion member is inserted into or spaced apart from the insertion slot.

[0011] An air blowing pipe is connected to the first working pipe, and a valve is provided on the air blowing pipe;

[0012] In this configuration, one of the first airbags and the second airbag is in an inflated state, while the other is in a negative pressure state.

[0013] In some embodiments, a mesh is provided at the connection points between the first working tube and the second working tube and the sampling tube.

[0014] In some embodiments, the first working pipe and the second working pipe are connected by a connecting pipe, which is equipped with a valve.

[0015] In some embodiments, a vibration unit is also included, which includes a ring fitted over the sampling tube and a vibrator connected to the ring via a connecting rod.

[0016] In some embodiments, the sampling tank is connected to the sampling tube via a first feed pipe, the fluidized bed is connected to the sampling tube via a second discharge pipe, and the sampling tube is connected to the first feed pipe and the second discharge pipe via buffer pads.

[0017] In some embodiments, a sealing ring is provided on the side of the buffer pad near the vibration unit along the extension direction of the sampling tube.

[0018] In some embodiments, valves are provided on the first working pipe, the second working pipe, the pressure relief pipe, the sampling pipe, and the first discharge pipe.

[0019] The technical solution of this utility model has at least the following advantages and beneficial effects:

[0020] (1) The present invention designs a first working unit and a second working unit, wherein the first airbag and the second airbag are in an inflated state and the other is in a negative pressure state. When it is necessary to remove the remaining catalyst in the tube, the first extrusion plate or the second extrusion plate is driven to move back and forth along the radial direction of the airbag by the drive component, so that the plug is inserted or spaced in the plug slot, thereby extruding the airbag. The air flow in the sampling tube is controlled by the repeated inflation and contraction of the two airbags, so as to prevent the catalyst inside the sampling tube from being blocked or remaining in the pipeline.

[0021] (2) The present invention provides a partition between the first working tube and the sampling tube, and a partition between the second working tube and the sampling tube to prevent materials from entering the first working tube and the second working tube.

[0022] (3) The present invention is equipped with a vibrator, which further prevents the catalyst inside the sampling tube from being blocked or remaining in the pipeline through the auxiliary effect of vibration.

[0023] (4) The present invention is equipped with buffer pads at the connection points of the sampling tank and the fluidized bed with the sampling tube to prevent the vibration of the sampling tube from causing the tube body to collide with the sampling tank and the fluidized bed tube body, thereby increasing the service life of the device.

[0024] (5) This utility model has a reasonable and simple structure and good practicality. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 A schematic diagram of the structure of the anti-clogging catalyst sampling device provided in this embodiment of the present invention when the first extrusion plate and the second extrusion plate are spaced apart;

[0027] Figure 2 A schematic diagram of the structure of the anti-clogging catalyst sampling device provided in this embodiment of the present invention when the first extrusion plate and the second extrusion plate are in contact.

[0028] icon:

[0029] 100. Sampling tube;

[0030] 200. Sampling tank; 210. Pressure relief pipe; 220. First discharge pipe; 230. First feed pipe;

[0031] 310. First working tube; 320. First airbag;

[0032] 410. First extrusion plate; 420. Second extrusion plate; 430. Driving component;

[0033] 510. Second working tube; 520. Second airbag;

[0034] 600. Air blowing tube;

[0035] 700. Fluidized bed; 710. Second discharge pipe;

[0036] 810. Ring; 820. Connecting rod; 830. Vibrator;

[0037] 900. Connecting pipe. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0039] Example

[0040] This utility model provides a catalyst sampling device to prevent catalyst blockage or retention inside the pipeline, which would result in the sampling amount not reaching the standard amount, thereby increasing the authenticity and accuracy of the subsequent test data.

[0041] Please see Figure 1 as well as Figure 2 The anti-clogging catalyst sampling device provided in this embodiment includes a sampling tube 100, a sampling canister 200, a first working unit, a driving unit, a second working unit, and an air blowing pipe 600.

[0042] The sampling tank 200 is connected to the fluidized bed 700 via the sampling pipe 100, and is provided with a pressure relief pipe 210 and a first discharge pipe 220. In some embodiments, the sampling tank 200 is provided with a containment cavity for containing the catalyst.

[0043] The first working unit includes a first working tube 310 connected to the sampling tube 100 and a first airbag 320 connected to the first working tube 310.

[0044] The second working unit includes a second working tube 510 connected to the sampling tube 100 and a second airbag 520 connected to the second working tube 510;

[0045] The driving unit includes a first extrusion plate 410, a second extrusion plate 420, and a driving member 430. One of the first extrusion plate 410 and the second extrusion plate 420 has an insertion slot, and the other has an insertion member. The first extrusion plate 410 and the second extrusion plate 420 are respectively located on both sides of the first airbag 320 or the second airbag 520. The driving member 430 drives the first extrusion plate 410 or the second extrusion plate 420 to reciprocate radially along the airbag, so that the insertion member is inserted into or spaced from the insertion slot. In some embodiments, two driving units are provided, respectively located outside the first airbag 320 and the second airbag 520. The first extrusion plate 410 and the second extrusion plate 420 are respectively disposed on both sides of the first airbag 320 and the second airbag 520 to extrude the first airbag 320 and the second airbag 520; in some embodiments, there are two driving members 430, which can drive the first extrusion plate 410 and the second extrusion plate 420 to move relative to each other, so as to move closer to each other and further away from each other. When the first extrusion plate 410 and the second extrusion plate 420 are far apart, the relative distance between the first extrusion plate 410 and the second extrusion plate 420 is not less than the diameter of the fully inflated airbag; in some embodiments, the driving member 430 is a telescopic cylinder;

[0046] The air blowing pipe 600 is connected to the first working pipe 310 and is connected to a blower. A valve is provided on the air blowing pipe 600.

[0047] Among them, the first airbag 320 and the second airbag 520 are in an inflated state and the other is in a negative pressure state.

[0048] In some embodiments, a mesh is provided at the connection point between the first working tube 310 and the second working tube 510 and the sampling tube 100 to prevent the catalyst from entering the first working tube 310 and the second working tube 510.

[0049] In some embodiments, the first working pipe 310 and the second working pipe 510 are connected by a connecting pipe 900, and a valve is provided on the connecting pipe 900.

[0050] In some embodiments, a vibration unit is also included, which includes a ring 810 sleeved outside the sampling tube 100 and a vibrator 830 connected to the ring 810 via a connecting rod 820 to achieve the vibration effect of the pipeline. In some embodiments, a buffer pad is provided on the inner wall of the ring 810 to prevent the rigid connection from damaging the device.

[0051] In some embodiments, the sampling tank 200 is connected to the sampling tube 100 through the first feed pipe 230, and the fluidized bed 700 is connected to the sampling tube 100 through the second discharge pipe 710. The sampling tube 100, the first feed pipe 230, and the second discharge pipe 710 are all connected by buffer pads to prevent vibration from causing collision damage to the tube body and to increase the service life of the device.

[0052] In some embodiments, along the extension direction of the sampling tube 100, a sealing ring is provided on the side of the buffer pad near the vibration unit to further seal and prevent leakage. In some embodiments, multiple sealing rings are provided and are spaced apart along the extension direction of the sampling tube 100. In some embodiments, along the radial direction of the sampling tube 100, from the inside to the outside, there are sealing rings, buffer pads, and the first feed tube 230 / second discharge tube 710.

[0053] In some embodiments, valves are provided on the first working pipe 310, the second working pipe 510, the pressure relief pipe 210, the sampling pipe 100, and the first discharge pipe 220.

[0054] In some embodiments, the sampling tube 100 is inclined, and the height of the end near the fluidized bed 700 is higher than the height of the end near the sampling tank 200, so as to increase the sampling effect of the catalyst by gravity.

[0055] In some embodiments, the sampling tube 100 has two valves, located on the side of the first working tube 310 near the fluidized bed 700 and the side of the second working tube 510 near the sampling tank 200, respectively, so as to adjust the opening and closing of both ends of the sampling tube 100.

[0056] The following is a detailed description of the usage process of the anti-clogging catalyst sampling device of this utility model:

[0057] In use, the catalyst enters the sampling tube 100 through the second discharge pipe 710 of the fluidized bed 700, and then enters the sampling tank 200 through the first feed tank of the sampling tank 200. During the introduction process, the valve of the pressure relief pipe 210 is opened to release pressure. When it is necessary to remove residual catalyst from the sampling tube 100, the valves on the first working pipe 310 and the second working pipe 510 are opened, and the two valves on the sampling tube 100 are closed. The compression action of the extrusion unit causes the first air bladder 320 and the second air bladder 520 to expand and compress sequentially, thereby driving the catalyst in the sampling tube 100 to expand and compress. The airflow prevents the catalyst inside the tube from clogging. After the operation is completed, open the valve of the sampling tube 100 near the sampling tank 200 to connect the sampling tube 100 and the sampling tank 200. Close the valves of the connecting pipe 900 and the second working pipe 510. The gas introduced through the air blowing pipe 600 blows the catalyst in the sampling tube 100 into the sampling tank 200. The vibration of the vibration unit on the sampling tube 100 further increases the movement of the catalyst inside the tube, preventing clogging and adhesion to the tube wall. After sampling is completed, the catalyst is discharged through the first discharge pipe 220.

[0058] The anti-clogging catalyst sampling device of this invention has at least the following advantages:

[0059] (1) The present invention designs a first working unit and a second working unit, wherein the first airbag and the second airbag are in an inflated state and the other is in a negative pressure state. When it is necessary to remove the remaining catalyst in the tube, the first extrusion plate or the second extrusion plate is driven to move back and forth along the radial direction of the airbag by the drive component, so that the plug is inserted or spaced in the plug slot, thereby extruding the airbag. The air flow in the sampling tube is controlled by the repeated inflation and contraction of the two airbags, so as to prevent the catalyst inside the sampling tube from being blocked or remaining in the pipeline.

[0060] (2) A partition is set between the first working tube and the sampling tube, and a partition is set between the second working tube and the sampling tube to prevent materials from entering the first working tube and the second working tube.

[0061] (3) Install a vibrator to further prevent the catalyst inside the sampling tube from becoming blocked or remaining in the pipeline through the auxiliary effect of vibration.

[0062] (4) Buffer pads are provided at the connection points between the sampling tank and the fluidized bed and the sampling tube to prevent the vibration of the sampling tube from causing the tube body to collide with the sampling tank and the fluidized bed tube body, thereby increasing the service life of the device.

[0063] (5) This utility model has a reasonable and simple structure and good practicality.

[0064] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A catalyst sampling device for preventing clogging, used for catalyst sampling in a fluidized bed, characterized in that, include: Sampling tube; A sampling tank is connected to a fluidized bed via a sampling pipe. The sampling tank is equipped with a pressure relief pipe and a first discharge pipe. The first working unit includes a first working tube connected to the sampling tube and a first airbag connected to the first working tube; The second working unit includes a second working tube connected to the sampling tube and a second airbag connected to the second working tube; The driving unit includes a first extrusion plate, a second extrusion plate, and a driving member. One of the first extrusion plate and the second extrusion plate is provided with an insertion slot, and the other is provided with an insertion member. The first extrusion plate and the second extrusion plate are respectively disposed on both sides of the first airbag or the second airbag. The driving member drives the first extrusion plate or the second extrusion plate to reciprocate along the radial direction of the first airbag or the second airbag, so that the insertion member is inserted into or spaced apart from the insertion slot. An air blowing pipe is connected to the first working pipe, and a valve is provided on the air blowing pipe; In this configuration, one of the first airbags and the second airbag is in an inflated state, while the other is in a negative pressure state.

2. The anti-clogging catalyst sampling device according to claim 1, characterized in that, Both the first working tube and the second working tube are equipped with a mesh at the connection point with the sampling tube.

3. The anti-clogging catalyst sampling device according to claim 1, characterized in that, The first working pipe and the second working pipe are connected by a connecting pipe, and a valve is provided on the connecting pipe.

4. The anti-clogging catalyst sampling device according to any one of claims 1 to 3, characterized in that, It also includes a vibration unit, which comprises a ring sleeved outside the sampling tube and a vibrator connected to the ring via a connecting rod.

5. The anti-clogging catalyst sampling device according to claim 4, characterized in that, The sampling tank is connected to the sampling tube through a first feed pipe, and the fluidized bed is connected to the sampling tube through a second discharge pipe. The sampling tube, the first feed pipe, and the second discharge pipe are all connected by buffer pads.

6. The anti-clogging catalyst sampling device according to claim 5, characterized in that, Along the extension direction of the sampling tube, the buffer pad is provided with a sealing ring on the side near the vibration unit.

7. The anti-clogging catalyst sampling device according to any one of claims 1 to 3, characterized in that, Valves are provided on the first working pipe, the second working pipe, the pressure relief pipe, the sampling pipe, and the first discharge pipe.

Images