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CN-122006625-A - Double-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device

CN122006625ACN 122006625 ACN122006625 ACN 122006625ACN-122006625-A

Abstract

The invention discloses a two-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device, and belongs to the technical field of catalytic reaction devices. The device comprises a reactor, wherein the reactor comprises a main reactor and a secondary reactor which are arranged in series, a communicating pump transmission pipeline and a ventilation pipeline are arranged between the main reactor and the secondary reactor, the internal structures of the main reactor and the secondary reactor are the same, a gas-solid photocatalytic area and a gas-solid thermal catalytic area are sequentially arranged from top to bottom, a top sealing slide is arranged at the top of the gas-solid photocatalytic area, a catalytic carrier is arranged at the upper part of the gas-solid photocatalytic area, a heat pipe is spirally arranged at the lower part of the gas-solid photocatalytic area, a lining ring is arranged at the bottom of the gas-solid photocatalytic area, air holes are formed in the catalytic carrier, a diversion hole is formed in the side wall of the gas-solid photocatalytic area between the top sealing slide and the catalytic carrier, a magnetic conducting plate is arranged in the gas-solid thermal catalytic area, and the catalytic slide is arranged above the magnetic conducting plate. The device is used for solving the technical problems of single-wavelength adaptation limitation, photo-thermal coupling interference, uncontrollable temperature and low serialization efficiency of the conventional gas-solid photo-thermal catalytic device.

Inventors

  • YANG YANLING
  • XU KAIXUAN
  • CAO GUIBIN
  • ZHENG HAOYANG
  • ZHOU YAN

Assignees

  • 陕西科技大学

Dates

Publication Date
20260512
Application Date
20260324

Claims (10)

  1. 1. The double-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device comprises a reactor and is characterized by comprising a main reactor (1) and a secondary reactor (2) which are arranged in series, wherein a communicating pump pipeline (3) and a ventilation pipeline (4) are arranged between the main reactor (1) and the secondary reactor (2); the main reactor (1) and the auxiliary reactor (2) have the same internal structure, and are sequentially provided with a gas-solid photocatalytic zone and a gas-solid thermal catalytic zone from top to bottom; The top of the gas-solid photocatalytic zone is provided with a top sealing slide, the upper part of the gas-solid photocatalytic zone is provided with a catalytic carrier, the lower part of the gas-solid photocatalytic zone is spirally provided with a heat pipe, and the bottom of the gas-solid photocatalytic zone is provided with a lining ring; The gas-solid thermal catalysis zone is internally provided with a magnetic conduction plate, and a catalysis slide glass is arranged above the magnetic conduction plate.
  2. 2. The two-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device according to claim 1, wherein a baffle plate is arranged at the upper part of the gas-solid photo-catalytic zone, and the catalytic carrier is arranged on the baffle plate.
  3. 3. The two-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device according to claim 1, wherein the inlet and the outlet of the heat pipe sequentially penetrate through the catalytic carrier and the top sealing slide.
  4. 4. The two-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device according to claim 1, wherein the communicating pump pipeline (3) is communicated with the gas-solid photo-catalytic areas of the main reactor (1) and the auxiliary reactor (2).
  5. 5. The two-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device according to claim 1 or 4, wherein the communicating pump conveying pipeline (3) comprises a pump, a communicating pump conveying pipeline outlet (31) and a communicating pump conveying pipeline inlet (32), the pump is arranged between the communicating pump conveying pipeline outlet (31) and the communicating pump conveying pipeline inlet (32), the communicating pump conveying pipeline outlet (31) is communicated with a gas-solid photo-catalytic zone of the main reactor (1), and the communicating pump conveying pipeline inlet (32) is communicated with a gas-solid photo-catalytic zone of the auxiliary reactor (2).
  6. 6. The two-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device according to claim 1, wherein the ventilation pipeline (4) is communicated with the gas-solid thermal catalytic regions of the main reactor (1) and the auxiliary reactor (2).
  7. 7. The two-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device according to claim 1, wherein a first gas inlet (22-03) and a second gas inlet (22-04) are symmetrically arranged on the side wall of a gas-solid thermal catalytic zone of the secondary reactor (2).
  8. 8. The two-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device according to claim 1, wherein a gas outlet is formed in the side wall of the gas-solid thermal catalytic zone of the secondary reactor (2).
  9. 9. The two-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device according to claim 1, wherein grooves are formed in the tops of the main reactor (1) and the auxiliary reactor (2), and the grooves are matched with the top sealing slide glass.
  10. 10. The two-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device according to claim 1, wherein the top sealing slide is detachably fixed with the main reactor (1) and the auxiliary reactor (2) through movable clamps.

Description

Double-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device Technical Field The invention belongs to the technical field of catalytic reaction devices, and particularly relates to a two-stage serial heat collection type continuous flow gas-solid photo-thermal catalytic reaction device. Background The gas-solid photo-thermal catalysis technology can effectively reduce the reaction activation energy and improve the catalytic conversion efficiency by virtue of the photo-thermal synergistic advantage, is widely applied to the chemical and environmental protection fields of carbon dioxide reduction, volatile organic compound degradation, methane reforming and the like, and the reactor is used as a core carrier of the technology, and the structural design of the reactor directly determines the photo-thermal synergistic effect, the gas-solid contact efficiency and the continuous catalytic performance. The structure design of the existing gas-solid photo-thermal catalytic reaction device still has a plurality of key technical defects, so that the existing device is difficult to meet the requirements of high-efficiency and accurate catalytic application, firstly, the existing device is mostly single-reactor single-wavelength adaptive design, cannot be matched with the requirements of multi-step catalytic reaction on different wavelength light sources, obvious single-wavelength catalytic limitation exists, secondly, the photo-catalytic reaction area and the thermal catalytic reaction area are commonly in a coupling arrangement mode, effective physical separation is not carried out, the high temperature generated by thermal catalysis is easy to destroy the photo-catalytic activity, the thermal catalytic component is easy to shield the photo-catalytic light sources, the photo-thermal synergistic efficiency is greatly reduced due to mutual interference of the thermal catalytic light sources, thirdly, the photo-catalytic reaction area lacks a specific accurate temperature control structure, the temperature gradient regulation of reaction gas cannot be realized, the catalytic selectivity and the photo-catalytic efficiency are limited, fourthly, the continuous design of multi-reactor serial connection is insufficient, accurate conveying and stable continuous conveying are difficult to realize, meanwhile, the design of a heat conduction and carrier loading structure of the thermal catalytic area is good, the solid contact and heat transfer efficiency are low, and the integral continuous catalytic efficiency is poor. The technical defects are mutually restricted, so that the industrialized application and performance improvement of the gas-solid photo-thermal catalysis technology are seriously affected, and the research and development of the gas-solid photo-thermal catalysis reaction device which can be adapted to a multi-wavelength light source, realize independent regulation and control of photo-thermal catalysis, accurately control temperature and realize efficient and continuous technology becomes a technical problem to be solved in the field. Disclosure of Invention In order to overcome the defects of the prior art, the invention aims to provide a double-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device, wherein a reactor is set as a main reactor and a secondary reactor to adapt to light sources with different wavelengths, single wavelength limitation is broken through, photo-thermal coupling design is abandoned, photo-thermal catalytic areas are physically separated, interference is avoided, photo-thermal cooperative regulation and control are realized, a heat conduction pipeline is arranged in the photo-catalytic areas to realize gas accurate temperature control and gradient catalysis, the selectivity is improved, a heat collection type magnetic heat conduction plate supported catalytic carrier is arranged at the bottom of the reactor to strengthen gas-solid contact and heat transfer so as to realize efficient thermal catalysis, and a main reactor and a secondary reactor are connected in series through an accurate speed control pumping pipeline to realize directional continuous conveying of gas-solid systems, so that continuous catalysis is completed. The device is used for solving the technical problems of single-wavelength adaptation limitation, photo-thermal coupling interference, uncontrollable temperature and low serialization efficiency of the conventional gas-solid photo-thermal catalytic device. In order to achieve the above purpose, the invention is realized by adopting the following technical scheme: the invention provides a two-stage series heat collection type continuous flow gas-solid photo-thermal catalytic reaction device which comprises a reactor, wherein the reactor comprises a main reactor and a secondary reactor which are arranged in series, and a communicating pump transmission pipeline and a ventilati