CN214916077U

CN214916077U - Novel copper-zinc-aluminum low-variation catalyst synthesis reaction system

Info

Publication number: CN214916077U
Application number: CN202121327465.XU
Authority: CN
Inventors: 邓少亮; 周焕文; 童景超; 马鹏飞
Original assignee: Hebei Ruike New Energy Technology Co ltd
Current assignee: Hebei Ruike New Energy Technology Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-11-30
Anticipated expiration: 2031-06-15

Abstract

The utility model relates to a novel synthetic reaction system of copper zinc aluminium low catalyst that becomes, including reation kettle, reation kettle's upper end sets up the liquid feeding pipeline, the inside stirring subassembly that sets up of reation kettle, the reation kettle lower extreme sets up discharge line, wherein, the last circulation grinding assembly that sets up of reation kettle, circulation grinding assembly is including circulation grinding line and colloid mill grinding mechanism, the both ends of circulation grinding line are connected with discharge line and reation kettle's lateral wall respectively, colloid mill grinding mechanism sets up on the circulation grinding line. The utility model provides a pair of novel synthetic reaction system of copper zinc aluminium low-variable catalyst passes through the introduction of colloid mill grinding mechanism, can grind the deposit of formation more carefully, can reach the deposit granule below 10 microns, starts circulation grinding assembly in reinforced, has increased stirring effect to improve the homogeneity of reaction, reduced the particle size before the crystallization, improved the activity of the catalyst of production.

Description

Novel copper-zinc-aluminum low-variation catalyst synthesis reaction system

Technical Field

The utility model belongs to the technical field of synthetic reaction equipment, concretely relates to novel copper zinc aluminium low catalyst synthetic reaction system that becomes.

Background

The synthesis of the copper-zinc-aluminum low-change catalyst mainly adopts a kettle type reactor, the volume of the kettle type reactor is 5-20 cubic meters, and stirring paddles are in the forms of frame type, propulsion type, straight plate type and the like. Due to the fact that the size of the stirring paddles is large, the stirring speed is slow due to the adoption of the stirring paddles in the forms, the rotating speed of stirring is 50-150 rpm generally, and stirring is not uniform enough. The synthesis of the catalyst is a coprecipitation method, so that particles formed in the coprecipitation process are large, the crystal grain of the active component copper on the final catalyst is large, generally 5-10nm, and the activity of the catalyst is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a novel copper zinc aluminium low catalyst synthesis reaction system that becomes, including reation kettle, reation kettle's upper end sets up the liquid feeding pipeline, reation kettle is inside to set up stirring subassembly, the reation kettle lower extreme sets up discharge line, wherein, set up circulation grinding assembly on the reation kettle, circulation grinding assembly is including circulation grinding line and colloid mill grinding mechanism, the both ends of circulation grinding line are connected with discharge line and reation kettle's lateral wall respectively, colloid mill grinding mechanism sets up on the circulation grinding line.

Preferably, the liquid feeding pipeline sets up to two sets ofly, includes saline solution liquid feeding pipeline and alkali lye liquid feeding pipeline respectively, saline solution liquid feeding pipeline and alkali lye liquid feeding pipeline set up respectively the both sides of reation kettle upper end.

Preferably in any one of the above schemes, the stirring assembly comprises a stirring motor, a stirring shaft and a stirring blade, the stirring motor is fixed at the upper end of the reaction kettle, one end of the stirring shaft is connected with the output end of the stirring motor, the other end of the stirring shaft extends into the reaction kettle, and the stirring blade is arranged on the stirring shaft.

In any of the above embodiments, a tap valve is preferably provided in the tapping line.

In any of the above embodiments, preferably, the circulating grinding line is provided with a circulating pump and a circulating valve

For the coprecipitation reaction of the synthetic catalyst, the faster the stirring, the more beneficial the formation of smaller catalyst ions, or after the formation of the precipitate, the equipment with high-speed shearing force is adopted to grind the precipitate particles to be finer, so that the crystallized grains are smaller, and the activity of the catalyst is favorably improved.

The utility model has the advantages that: the utility model provides a pair of novel synthetic reaction system of copper zinc aluminium low-variable catalyst passes through the introduction of colloid mill grinding mechanism, can grind the deposit of formation more carefully, can reach the deposit granule below 10 microns, starts circulation grinding assembly in reinforced, has increased stirring effect to improve the homogeneity of reaction, reduced the particle size before the crystallization, improved the activity of the catalyst of production.

Drawings

Fig. 1 is a schematic diagram of a preferred embodiment of the novel copper-zinc-aluminum low-shift catalyst synthesis reaction system according to the present invention.

The figures are labeled as follows: 1-a reaction kettle; 2-a stirring motor; 3-stirring shaft; 4-stirring blade; 5-saline solution feeding line; 6-alkali liquor feeding pipeline; 7-a discharge line; 8-a discharge valve; 9-a circulating grinding line; 10-circulation valve; 11-a circulation pump; 12-colloid mill grinding mechanism.

Detailed Description

In order to further understand the present invention, the present invention will be described in detail with reference to the following embodiments.

As shown in figure 1, the utility model provides a novel copper-zinc-aluminum low-variation catalyst synthesis reaction system, which comprises a reaction kettle 1, wherein the upper end of the reaction kettle 1 is provided with a liquid feeding pipeline, a stirring component is arranged in the reaction kettle, the lower end of the reaction kettle is provided with a discharging pipeline 7, wherein, the reaction kettle 1 is provided with a circulating grinding component for circularly grinding the materials in the reaction kettle 1, the circulating grinding component comprises a circulating grinding pipeline 9 and a colloid grinding mechanism 12, two ends of the circulating grinding pipeline 9 are respectively connected with the discharging pipeline 7 and the side wall of the reaction kettle 1, the colloid grinding mechanism 12 is arranged on the circulating grinding pipeline 9, the liquid feeding pipelines are arranged into two groups and respectively comprise a saline solution liquid feeding pipeline 5 and an alkali solution liquid feeding pipeline 6, the saline solution liquid feeding pipeline 5 and the alkali solution liquid feeding pipeline 6 are respectively arranged at two sides of the upper end of the reaction kettle 1, stirring subassembly includes agitator motor 2, (mixing) shaft 3 and stirring leaf 4, agitator motor 2 fixes 1 upper end of reation kettle, the one end of (mixing) shaft 3 with agitator motor 2's output is connected, the other end of (mixing) shaft 3 stretches into set up in reation kettle 1, stirring leaf 4 sets up on the (mixing) shaft 3, set up bleeder valve 8 on the discharging tube line 7, set up circulating pump 11 and circulating valve 0 on the circulation grinding line 9, to the coprecipitation reaction of synthetic catalyst, the faster better of stirring, be favorable to forming less catalyst ion more, or form and adopt the equipment that has high-speed shearing force after deposiing, will deposit the granule and grind more finely to the crystalline grain after the crystallization is littleer, is favorable to improving the activity of catalyst.

The utility model provides a pair of novel synthetic reaction system of copper zinc aluminium low-variable catalyst passes through the introduction of colloid mill grinding mechanism, has improved the homogeneity of reaction, has reduced the particle size before the crystallization, and then the size of copper crystalline grain is reduced to present 3-5nm by original 5 ~ 10nm on the catalyst, has improved the activity of catalyst.

It will be understood by those skilled in the art that the novel copper zinc aluminum low shift catalyst synthesis reaction system of the present invention includes any combination of the above-described embodiments and embodiments of the present invention, and the various parts shown in the drawings, which are not limited to space and are not described in any combination for the sake of brevity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel synthetic reaction system of low catalyst that becomes of copper zinc aluminium, includes reation kettle, reation kettle's upper end sets up the liquid feeding pipeline, reation kettle is inside to set up the stirring subassembly, the reation kettle lower extreme sets up discharge line, a serial communication port, reation kettle is last to set up circulation grinding assembly, circulation grinding assembly grinds the mechanism including circulation grinding line and colloid mill, the both ends of circulation grinding line are connected with discharge line and reation kettle's lateral wall respectively, colloid mill grinds the mechanism setting and is in on the circulation grinding line.

2. The novel copper-zinc-aluminum low-shift catalyst synthesis reaction system according to claim 1, wherein the liquid adding pipelines are arranged into two groups and respectively comprise a salt solution liquid adding pipeline and an alkali liquor liquid adding pipeline, and the salt solution liquid adding pipeline and the alkali liquor liquid adding pipeline are respectively arranged on two sides of the upper end of the reaction kettle.

3. The novel copper-zinc-aluminum low-variation catalyst synthesis reaction system according to claim 1, wherein the stirring assembly comprises a stirring motor, a stirring shaft and stirring blades, the stirring motor is fixed at the upper end of the reaction kettle, one end of the stirring shaft is connected with the output end of the stirring motor, the other end of the stirring shaft extends into the reaction kettle, and the stirring blades are arranged on the stirring shaft.

4. The new Cu-Zn-Al low shift catalyst synthesis reaction system according to claim 1, wherein a discharge valve is arranged on the discharge pipe line.

5. The novel copper-zinc-aluminum low-shift catalyst synthesis reaction system as claimed in claim 1, wherein a circulating pump and a circulating valve are arranged on the circulating grinding pipeline.