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Loaded continuous catalytic column, multi-flux loaded catalytic continuous reaction equipment and its application

A technology of reaction equipment and catalyst loading, which is applied in the field of continuous catalytic reaction, can solve the problems affecting the reaction yield and flexibility of use of fixed bed reactors, the inability to ensure uniform distribution of catalysts, and inconvenient replacement, so as to achieve low liquid holding capacity and equipment Small footprint and the effect of preventing local hot spots

Active Publication Date: 2019-01-04
ASYMCHEM LAB TIANJIN +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] None of the above-mentioned patents and documents can ensure that the catalyst is evenly distributed in the reactor, and the type of catalyst therein is fixed and inconvenient to replace, which affects the reaction yield and flexibility of use of the fixed-bed reactor, and it is used for catalyst types, When the reaction conditions are screened, the efficiency is low

Method used

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  • Loaded continuous catalytic column, multi-flux loaded catalytic continuous reaction equipment and its application
  • Loaded continuous catalytic column, multi-flux loaded catalytic continuous reaction equipment and its application
  • Loaded continuous catalytic column, multi-flux loaded catalytic continuous reaction equipment and its application

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Effect test

Embodiment 1

[0050] Such as figure 1 Shown, a kind of load continuous catalytic column that can be used for continuous reaction system, comprises column body 11, load catalyst distributor 12, gas-liquid distributor 13; Outlet pipe 15; inside the cylinder, in the direction from the inlet pipe 17 to the outlet pipe 15, a gas-liquid distributor 13, a loaded catalyst distributor 12, and a gas-liquid distributor 13 are respectively installed;

[0051] The diameters of the inlet pipe 17 and the outlet pipe 15 are all less than the diameter of the cylinder 11, the inlet pipe 17 is arranged at the bottom of the catalytic column, and the outlet pipe 15 is arranged at the top of the catalytic column;

[0052] Preferably, the material of the cylinder 11 is selected from: metal, alloy, plastic, more preferably from: stainless steel, Hastelloy and polytetrafluoroethylene; the outer diameter of the cylinder 11 is 2-150mm, preferably 3~100mm;

[0053] Preferably, the inner wall roughness of the cylinde...

Embodiment 2

[0058] figure 1 The loaded catalyst distributor 12 includes more than two loaded catalyst distribution plates and a fixed connection mechanism. The described distribution plate is used for loading the loaded catalyst and is circular with a diameter smaller than the inner diameter of the column. The number of layers of the distribution plate can be adjusted according to the needs. Responsible for increasing or decreasing the amount of catalyst, and adjusting the opening ratio according to the particle size of the loaded catalyst to ensure that the loaded catalyst does not fall or flow out with the material, and the pressure drop of the material in and out is within 0.5MPa. The fixed connection mechanism is used to connect and fix the distribution plate; in the catalytic column, the distribution plate is perpendicular to the diameter direction of the cylinder and distributed in layers along the diameter direction.

[0059] Described loaded catalyst distributor 12 can be basket t...

Embodiment 3

[0065] Such as Figure 4 As shown, a multi-flux loaded catalytic continuous reaction equipment includes the above-mentioned loaded continuous catalytic column 1 and an automatic feeding system; the loaded continuous catalytic column 1 is connected to the automatic feeding system; the loaded continuous catalytic column can be passed through a multi-pass Valve 3 is connected with automatic feeding system; Described automatic feeding system comprises electronic weighing device 21, feeding pump 22 (as plunger pump), single-chip microcomputer 23, single-chip microcomputer 23 and electronic weighing device 21 and feeding pump 22 Connection control, the reaction material is placed on the electronic weighing device 21, and the feeding is realized after the feeding pump 22 is turned on. After collecting the data of the electronic weighing device 21 and calculating by the single-chip microcomputer 23, the flow rate of the feeding pump 22 is controlled to achieve accurate and stable mater...

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Abstract

The invention discloses a load continuous catalytic column. The load continuous catalytic column comprises a column body, a gas-liquid separator and a load catalyst distributor. According to the specific reaction, catalyst can be replaced, and the filling quantity of the catalysts can be controlled, so that convenience and flexibility in use can be realized. Materials and load catalysts are uniformly distributed, so that local hot spots can be effectively prevented, and the mass transfer efficiency is high. The invention also discloses a multiflux load catalytic continuous reaction device. The multiflux load catalytic continuous reaction device comprises load continuous catalytic columns and an automatic feeding system, wherein the load continuous catalytic columns are connected with the automatic feeding system. The multiflux load catalytic continuous reaction device is less in liquid holding amount, small in floor occupation area, high in safety and simple to operate; and the quantity and connection way of the load continuous catalytic columns can be adjusted according to the real situation, so that convenience and flexibility can be realized. The multiflux load catalytic continuous reaction device can be used for efficiently screening various load catalysts, optimizing a continuous reaction condition and amplifying a continuous process.

Description

technical field [0001] The invention relates to the technical field of continuous catalytic reaction, in particular to a multi-flux loaded catalytic continuous reaction equipment. Background technique [0002] In the fields of pharmaceutical and chemical production, catalysts are commonly used substances in chemical reactions. Continuous catalysis is a method based on the original organic synthesis reaction principle, using new catalysts and new reaction devices in the reaction to ensure the efficiency and stability of the catalyst. , Increase the number of times the catalyst is used, increase the conversion rate and yield of the reaction, and realize the continuous operation of the chemical reaction. [0003] Patent CN202089764U discloses a portable ethanol self-heating hydrogen production reactor. The reactor adopts a cylindrical structure, including a reaction cylinder, an inlet pipe, an outlet pipe, two pairs of inner and outer flange covers, a distributor, a quartz supp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J8/04
CPCB01J8/0465B01J2208/00017
Inventor 洪浩詹姆斯·盖吉卢江平李九远丰惜春陈富荣郑淞元
Owner ASYMCHEM LAB TIANJIN
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