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Catalyst impregnation device, catalyst impregnation method and application thereof

An impregnation device and catalyst technology, applied in the direction of catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of uneven impregnation of catalysts, easy crushing of catalyst carriers, etc., to shorten the time required for impregnation, Protection is not easy to break, and the effect of accurately controlling the amount of addition

Pending Publication Date: 2022-05-06
CHINA PETROLEUM & CHEM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a catalyst impregnation device and method in order to overcome the problems of uneven catalyst impregnation and easy crushing of the catalyst carrier in the preparation process in the prior art. While the catalyst carrier is not easily crushed, it improves the uniformity of the catalyst obtained by impregnation, so that the active components of the catalyst obtained by impregnation are evenly distributed, and at the same time reduces the wear index of the catalyst and improves the strength of the catalyst

Method used

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  • Catalyst impregnation device, catalyst impregnation method and application thereof
  • Catalyst impregnation device, catalyst impregnation method and application thereof

Examples

Experimental program
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Embodiment 1

[0115] use figure 1 The device shown is performed as figure 1 As shown, the device includes an immersion unit 100, a carrier storage unit 200, a transmission unit 300, an immersion liquid preparation unit 400, a power unit, a reduction transmission unit and a control unit; the immersion unit 100 includes an immersion liquid tank 110, an immersion liquid tank cover 120, the discharge port 130 and the liquid inlet 140, are used to accommodate the immersion liquid and immerse; hole, the through hole is provided with a filter screen, the aperture of the filter screen is smaller than the size of the through hole, and the aperture of the through hole is smaller than the size of the carrier; the transmission unit 300 is connected to the impregnation unit 100 and The carrier storage unit 200 makes the carrier storage unit 200 reciprocate in the impregnation unit 100 along the direction perpendicular to the bottom surface of the impregnation unit 100, and makes the carrier storage uni...

Embodiment 2

[0122] Adopt the device of embodiment 1, carry out according to the method for embodiment 1, difference is:

[0123] In step 1), the amount of carrier added is 5 / 8 of the volume of the carrier box, the reciprocating motion rate of the carrier box in the vertical direction is adjusted to be 0.6m / min, and the rotational speed of the carrier box is 20RPM;

[0124] In step 2), the amount of the soaking liquid added is 3 / 5 of the volume of the soaking liquid 110 .

Embodiment 3

[0126] Adopt the device of embodiment 1, carry out according to the method for embodiment 1, difference is:

[0127] In step 1), the amount of carrier added is 3 / 4 of the volume of the carrier box, the reciprocating motion rate of the carrier box in the vertical direction is adjusted to be 0.8m / min, and the rotational speed of the carrier box is 30RPM;

[0128] In step 2), the amount of immersion liquid added is 4 / 5 of the volume of the immersion liquid 110 .

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Abstract

The invention relates to the technical field of catalyst preparation, and discloses a catalyst impregnation device and method and application thereof. The device comprises: an impregnation unit (100) for accommodating an impregnation liquid; the carrier storage unit (200) is used for containing a carrier and is detachably arranged in the dipping unit (100); the transmission unit (300) is connected with the dipping unit (100) and the carrier storage unit (200), so that the carrier storage unit (200) reciprocates in the dipping unit (100) in the direction perpendicular to the bottom surface of the dipping unit (100), and the carrier storage unit (200) rotates along a shaft parallel to the bottom surface of the dipping unit (100). By adopting the catalyst impregnation device and method provided by the invention, the uniformity of the catalyst can be improved while the catalyst carrier is protected from being easily crushed, so that the active components of the impregnated catalyst are uniformly distributed, the wear index of the catalyst is reduced, and the strength of the catalyst is improved.

Description

technical field [0001] The invention relates to the technical field of catalyst preparation, in particular to a catalyst impregnation device, method and application thereof. Background technique [0002] The impregnation method is a commonly used method for the production of solid catalysts. This method involves immersing a carrier with a porous structure in a solution containing an active metal. Under capillary action, the active metal component enters the active site inside the carrier from the surface of the carrier to complete the process. Loading of active metal components on supports. Because the impregnation method has the advantages of large processing capacity and high production efficiency, the impregnation method is widely used in industrial production. [0003] CN204320323U discloses a continuous catalyst impregnation device, which comprises a catalyst impregnation tower, an impregnation liquid storage tank, an infusion pump and a stirring device, a solid inlet ...

Claims

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Application Information

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IPC IPC(8): B01J37/02
CPCB01J37/0201B01J37/0213
Inventor 高玥王翀李春晓姜艳
Owner CHINA PETROLEUM & CHEM CORP
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