Shearing device for testing strength of catalyst
The catalyst strength testing device addresses inconsistencies in catalyst cutting by ensuring uniform force application and precise length adjustment, improving the accuracy of mechanical strength assessments.
Patent Information
- Application Number
- CN202421829313.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-07-31
AI Technical Summary
In the existing catalyst strength test, it is difficult for the shear device to ensure uniform length of the catalyst sample and flat end surfaces, which affects the accuracy of the test data.
A catalyst strength test shear device is designed, including a sliding press rod, a shear body, a groove base, a fixed base plate, an adjusting handle, an anti-slip support column, a shear shaft and a scale plate. Through the combination of these components, uniform stress and precise shear of the catalyst are achieved.
Accurate shearing according to the catalyst shape and standard requirements is achieved, manual operation steps are reduced, and testing efficiency and data accuracy are improved.
Smart Images
Figure CN223107495U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of catalyst detection, and relates to a shearing device for testing the strength of a catalyst. Background Art
[0002] With the continuous rise of crude oil prices, the contradiction between energy supply and demand is prominent, and costs are becoming increasingly uncontrollable. The legal recycling, disposal and comprehensive utilization of waste lubricating oil have become practical problems faced by China's environmental protection, energy conservation and resource recycling.
[0003] Currently, the most environmentally friendly, operable and large-scale waste lubricating oil regeneration process is the hydrofining process, and the hydrotreating process is particularly important. The waste lubricating oil after adsorption treatment is pre-hydrofined in a reactor equipped with a protective agent to further remove various impurities. The waste lubricating oil after pre-hydrofining enters the high-pressure hydrogenation main reactor, and hydrofining is realized under the action of a hydrogenation catalyst, so that the non-ideal components in the feedstock oil are hydrogenated and saturated and transformed into beneficial components. A successful solid catalyst must have sufficient mechanical strength in addition to sufficient activity, selectivity and service life in order to resist various stresses during use without breaking. If the strength of the fixed-bed catalyst fails, it will cause fine powder to block the pipeline, uneven fluid flow distribution, and a sharp increase in pressure drop, resulting in a decrease in the use efficiency of the catalyst. In severe cases, it will even lead to an unexpected shutdown. In order to ensure the use effect of the catalyst, generally, a pressure resistance test is carried out on the catalyst. The catalyst sample is processed into a corresponding length with a straight shape according to the product standard requirements, and the two end faces are ground flat and placed under the extrusion structure. Pressure is applied to the catalyst sample through the extrusion structure, and the pressure sensor is used to monitor the pressure index in real time until the catalyst sample breaks, so as to obtain the pressure value of the catalyst sample.
[0004] At present, for the existing methods of processing strip-shaped, ring-shaped and plum-blossom-shaped samples according to their standard requirements, most of them use scissors for shearing. The length of each sample cannot be unified, and it is not very realistic to grind the two end faces flat. It can only be made as flat as possible, which affects the test data of the catalyst strength. Summary of the Invention
[0005] In order to solve the technical problem of shearing for catalyst strength testing, the technical solution adopted by the utility model to solve its technical problem is:
[0006] The utility model provides a shearing device for testing the strength of a catalyst, which includes a sliding pressure rod 1, a shearing tool body 2, a tool groove base 3, a fixed bottom plate 4, an adjusting handle 5, an anti-slip support column 6, a shearing shaft 7, a scale plate 8 and a limit screw 9.
[0007] The sliding pressure rod 1 is connected to the hole on the shearing knife body 2, the shearing knife body 2 is fixed to the knife groove base 3 through the shearing shaft 7, the knife groove base 3 is movably sleeved on the fixed bottom plate 4, the knife groove base 3 is adjusted by the limit screw 9 and then fixed with the adjusting handle 5, and the anti-skid support column 6 is connected under the fixed bottom plate 4.
[0008] Furthermore, the sliding pressure rod 1 is connected to the hole on the shearing blade body 2, and the connection distance can be adjusted at any time according to the blade groove base 3. Shearing by the sliding pressure rod 1 can make the catalyst evenly stressed and the two ends smooth.
[0009] Furthermore, the inner groove of the knife groove base 3 adopts a U-shaped design, and the lowest point is flush with the fixed bottom plate 4, which can simply fix the position of the catalyst and prevent displacement during the shearing process, resulting in changes in the shearing length.
[0010] Furthermore, a scale plate 8 is provided on the fixed bottom plate 4 to facilitate adjustment of the catalyst shearing length to an accuracy of 0.1 mm.
[0011] Furthermore, the shearing blade body 2 is connected and fixed to the blade groove bottom 3 via the shearing shaft 7, and the shearing blade body 2 can be rotated by an angle of ≤90°, so as to facilitate the placement of the catalyst.
[0012] The beneficial effects of a catalyst strength test shearing device provided by the utility model are:
[0013] 1. Different shear lengths can be selected according to the different shapes, types and standard requirements of the catalyst;
[0014] 2. It has the characteristics of accurate shearing length, fast shearing speed, small data deviation and smooth ends of catalyst particles;
[0015] 3. Double-blade shearing and pressing rod operation is adopted to reduce manual operation steps and improve labor efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model.
[0017] Figure 2 It is a side schematic diagram of the utility model.
[0018] Figure 3 It is a top view schematic diagram of the utility model.
[0019] Figure 1 Middle: sliding pressure rod 1, shearing knife body 2, knife groove base 3, fixed bottom plate 4, adjustment handle 5, anti-skid support column 6, shearing shaft 7, scale plate 8, limit screw 9. DETAILED DESCRIPTION
[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. Embodiment 1
[0021] According to Figure 1 A shear device for testing the strength of a catalyst is manufactured. The device includes a sliding pressure rod 1, a shear blade body 2, a knife groove base 3, a fixed bottom plate 4, an adjusting handle 5, an anti-slip support column 6, a shear shaft 7, a scale plate 8, and a limit screw 9. The sliding pressure rod 1 is connected to the hole on the shear blade body 2. The shear blade body 2 is fixed to the knife groove base 3 through the shear shaft 7. The knife groove base 3 is movably sleeved on the fixed bottom plate 4. The distance between the knife groove bases 3 is adjusted through the limit screw 9 and then fixed with the adjusting handle 5. The anti-slip support column 6 is connected under the fixed bottom plate 4.
[0022] In the case where the catalyst type is a long strip and needs to be sheared for strength testing, according to the product standard requirements, the shear length is selected based on the scale plate 8. After moving the knife groove base 3 and selecting an appropriate distance, the limit screw 9 is fixed to the knife groove base 3, and then the adjusting handle 5 is tightened to further fix the knife groove base 3 to prevent the change of distance during the shearing process. The sliding pressure rod 1 passes through the hole on the shear blade body 2 according to the distance of the shear blade body 2. The catalyst is placed at the U-shaped position of the knife groove base 3. The sliding pressure rod 1 is pressed down to drive the shear blade body 2 to perform shearing, and a catalyst with both ends flat and meeting the standard length can be obtained. Next, the strength test is carried out.
[0023] The embodiments are only used to illustrate the present utility model and are not used to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the present utility model, those skilled in the art can make modifications or changes to the present utility model, and these equivalent forms also fall within the scope defined by the appended claims of this application.
Claims
1. A shear device for testing the strength of a catalyst, characterized in that: It includes a sliding pressure rod (1), a shear tool body (2), a tool groove base (3), a fixed bottom plate (4), an adjusting handle (5), an anti-slip support column (6), a shear shaft (7), a scale plate (8), and a limit screw rod (9); the specific structure is that the sliding pressure rod (1) is connected to the hole on the shear tool body (2), the shear tool body (2) is fixed on the tool groove base (3) through the shear shaft (7), the tool groove base (3) is movably sleeved on the fixed bottom plate (4), the tool groove base (3) is fixed on the limit screw rod (9) through the adjusting handle (5), and the anti-slip support column (6) is connected under the fixed bottom plate (4).
2. The shear device for testing the strength of a catalyst according to claim 1, wherein: The fixed bottom plate (4) is provided with a scale plate (8).