阅读说明：本技术 一种催化剂再生方法及再生器 (Catalyst regeneration method and regenerator ) 是由 张永民 刘美娟 张硕 汤俊萍 于 2020-07-08 设计创作，主要内容包括：本发明提供了一种催化剂再生方法及再生器,利用脉冲功率驱动源对一根金属丝放电,使金属丝电爆炸产生冲击波,以冲击压力瞬时增压再生溶剂进入催化剂的微孔,从而使催化剂再生。本发明提供的催化剂再生方法,提高了催化剂再生效率,降低了催化剂再生成本。本发明提供的催化剂再生器,利用脉冲功率驱动源对一根金属丝放电,将电能转换为冲击波能量,产生球面冲击波,向上辐射的冲击波穿透橡胶垫进入缸体,向下方和侧向反射的冲击波经反射器反射成向上传播的平面波,进入到缸体,以冲击压力瞬时增压再生溶剂进入催化剂的微孔,从而使催化剂再生,催化剂再生效率高,结构简单,成本低。(The invention provides a catalyst regeneration method and a regenerator, which utilize pulse power driving source to discharge one metal wire, so that the metal wire is electrically exploded to generate shock wave, and a regenerated solvent is instantly pressurized by shock pressure to enter micropores of a catalyst, thereby regenerating the catalyst. The catalyst regeneration method provided by the invention improves the catalyst regeneration efficiency and reduces the catalyst regeneration cost. The catalyst regenerator provided by the invention utilizes the pulse power driving source to discharge one metal wire, converts electric energy into shock wave energy to generate spherical shock waves, the upward radiated shock waves penetrate through the rubber pad and enter the cylinder body, the downward and lateral reflected shock waves are reflected into upward transmitted plane waves by the reflector and enter the cylinder body, and the regenerated solvent is instantly pressurized by the shock pressure and enters the micropores of the catalyst, so that the catalyst is regenerated, the catalyst regeneration efficiency is high, the structure is simple, and the cost is low.)

1. A method of regenerating a catalyst, comprising: the metal wire is discharged by the pulse power driving source, so that the metal wire is electrically exploded to generate shock waves, and the regenerated solvent is pressurized instantaneously by the shock pressure and enters the micropores of the catalyst, so that the catalyst is regenerated.

2. The catalyst regeneration method according to claim 1, characterized in that: the wire electrical explosion repeatedly produces a shock wave.

3. A catalyst regenerator, characterized by: the cylinder comprises a cylinder body (2), wherein one end of the cylinder body (2) is provided with a reflector (4), the other end of the cylinder body is provided with a cylinder cover (1), an isolation pad (3) is arranged between the cylinder body (2) and the reflector (4), the inner side of the reflector (4) is a paraboloid, a metal wire (13) is arranged at the focus of the paraboloid, two ends of the metal wire (13) are respectively connected with two electrodes (5), and the two electrodes (5) are connected with a capacitor (9) and a high-voltage direct-current power supply (11) to form a loop.

4. The catalyst regenerator of claim 3, wherein: and a switch (8) is arranged on the loop.

5. The catalyst regenerator of claim 3 or 4, characterized in that: the electrode (5) is arranged in the insulator (6), and one end of the metal wire (13) penetrates through the insulator (6) to be connected with the wire feeding mechanism.

6. The catalyst regenerator of claim 5, wherein: the wire feeding mechanism comprises a wire storage disc (12), one end of a metal wire (13) penetrates through the insulator (6) and is wound on the wire storage disc (12), and the wire storage disc (12) is connected with the stepping motor.

Technical Field

The invention relates to a catalyst regeneration method and a catalyst regenerator.

Background

Catalysts are the basis of modern chemistry. In chemical production, various impurities and dirt are adsorbed and deposited on the surface of the catalyst, so that the active surface area of the catalyst is reduced, and the activity is reduced. The phenomenon of a decrease in the reactivity (conversion) with the operating time during the use of the catalyst is called deactivation or decay of the catalyst. The activity of the catalyst can be effectively recovered by catalyst regeneration.

Existing catalyst regeneration methods include char regeneration (air, nitrogen), supercritical solvent regeneration, and steam regeneration.

In the existing solvent regeneration, the time is needed for the solvent to enter the micropores of the catalyst characterized by the porosity, particularly in the supercritical solvent regeneration, the solvent is pressed into a container needing super-cracking of the catalyst micropores in a pressurization mode, the regeneration efficiency is low, and the equipment cost is high.

Disclosure of Invention

The invention aims to provide a catalyst regeneration method to solve the problem of low regeneration efficiency of the existing catalyst.

A second object of the present invention is to provide a catalyst regenerator to implement the above regeneration method.

The first object of the present invention is achieved by:

a catalyst regeneration method utilizes a pulse power driving source to discharge one metal wire, so that the metal wire is electrically exploded to generate shock waves, and a regenerated solvent is instantaneously pressurized by shock pressure to enter micropores of a catalyst, so that the catalyst is regenerated.

Preferably, the electrical explosion of the wire repeatedly generates the shock wave.

The second object of the invention is achieved by:

a catalyst regenerator comprises a cylinder body, wherein one end of the cylinder body is provided with a reflector, the other end of the cylinder body is provided with a cylinder cover, an isolation pad is arranged between the cylinder body and the reflector, one surface of the reflector, which is opposite to the isolation pad, is a paraboloid, a metal wire is arranged at the focus of the paraboloid, two ends of the metal wire are respectively connected with two electrodes, and the two electrodes are connected with a capacitor and a high-voltage direct-current power supply to form a loop.

Preferably, a switch is provided on the loop.

Preferably, the electrode is disposed in the insulator, and one end of the wire penetrates through the insulator to be connected with the wire feeder.

Preferably, the wire feeding mechanism comprises a wire storage disc, one end of the metal wire penetrates through the insulator and is wound on the wire storage disc, and the wire storage disc is connected with the stepping motor.

The invention has the following beneficial effects:

1. according to the catalyst regeneration method provided by the invention, the metal wire is electrically exploded to generate shock waves, and the regenerated solvent is instantly pressurized by shock pressure to enter the micropores of the catalyst, so that the catalyst is regenerated, the catalyst regeneration efficiency is improved, and the catalyst regeneration cost is reduced.

2. The catalyst regenerator provided by the invention utilizes the pulse power driving source to discharge one metal wire, converts electric energy into shock wave energy, generates spherical shock waves, upward-radiated shock waves penetrate through the rubber pad and enter the cylinder body, the shock waves reflected downwards and laterally are reflected into upward-propagated plane waves by the reflector and enter the cylinder body, and the regenerated solvent is instantly pressurized by the shock pressure and enters micropores of the catalyst, so that the catalyst is regenerated, the catalyst regeneration efficiency is high, the structure is simple, and the cost is low.

Drawings

FIG. 1 is a schematic diagram of a catalyst regenerator provided in the present invention;

fig. 2 is an enlarged view a of fig. 1.

In the figure, 1, an upper cover, 2, a cylinder body, 3, an isolation layer, 4 reflectors, 5, electrodes, 6, insulators, 7, electric wires, 8, a switch, 9, an energy storage capacitor, 10, a regeneration solvent, 11, a high-voltage direct-current power supply, 12, a wire storage disc and 13 metal wires.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

A catalyst regeneration method utilizes a pulse power driving source to discharge one metal wire, so that the metal wire is electrically exploded to generate shock waves, and a regenerated solvent is instantaneously pressurized by shock pressure to enter micropores of a catalyst, so that the catalyst is regenerated.

In order to improve the regeneration efficiency of the catalyst, the metal wire is subjected to electric explosion to repeatedly generate shock waves to act on the regenerated solvent.