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CN-224207976-U - Safe and energy-saving hydrogen peroxide production device

CN224207976UCN 224207976 UCN224207976 UCN 224207976UCN-224207976-U

Abstract

A safe and energy-saving hydrogen peroxide production device comprises a hydrogenator, wherein the air inlet end of the hydrogenator is connected with a hydrogen air inlet pipe and a working solution feeding pipe, the working solution feeding pipe is connected with a working solution feeding tank, the discharge end of the hydrogenator is connected to a plurality of primary filters and then connected to a hydrogenator storage tank, the liquid outlet end of the hydrogenator storage tank is sequentially connected to a secondary filter and a security filter, the filtered working solution is connected to an oxidizer, the discharge end of the oxidizer is connected with an oxidizing solution storage tank, the liquid outlet end of the oxidizing solution storage tank is connected to an extraction tower, the discharge end of the extraction tower is connected to a purification tower, and products are output from the purification tower. The technical problem to be solved by the utility model is to provide a safe and energy-saving hydrogen peroxide production device, which adopts a full-acid fluidized bed production process, eliminates an alkali tower and can prevent the hydrogen peroxide from being decomposed due to alkali carried by a system, thereby reducing the risk that the hydrogen peroxide is decomposed to possibly cause explosion.

Inventors

  • YIN YINHUA
  • ZHOU XUEJUN
  • WU XIAOPING
  • GAO CHUANPING
  • XIONG WEI
  • JIN YANFENG
  • ZHANG YANYAN
  • WU PANPAN

Assignees

  • 湖北三宁化工股份有限公司

Dates

Publication Date
20260508
Application Date
20250430

Claims (10)

  1. 1. The safe and energy-saving hydrogen peroxide production device is characterized by comprising a hydrogenator (1), wherein the air inlet end of the hydrogenator (1) is connected with a hydrogen inlet pipe (2) and a working solution feeding pipe (3), the working solution feeding pipe (3) is connected with a working solution feeding tank (4), the discharge end of the hydrogenator (1) is connected to a plurality of primary filters (5) and then connected to a hydrogenator storage tank (6), the liquid outlet end of the hydrogenator storage tank (6) is sequentially connected to a secondary filter (7) and a security filter (8), the filtered working solution is connected to an oxidizer (9), the discharge end of the oxidizer (9) is connected with an oxidizing solution storage tank (10), the liquid outlet end of the oxidizing solution storage tank (10) is connected to an extraction tower (11), the discharge end of the extraction tower (11) is connected to a purification tower (12), and products are output from the purification tower (12).
  2. 2. The safe and energy-saving hydrogen peroxide production device according to claim 1, wherein the top of the extraction tower (11) is sequentially connected with a coalescer (13) and a flash evaporator (14) through pipelines and then connected to the working solution feeding tank (4).
  3. 3. The safe and energy-saving hydrogen peroxide production device according to claim 1, wherein the top of the hydrogenator (1) is provided with a hydrogen recovery pipe (15), and the hydrogen recovery pipe (15) is connected to the hydrogen inlet pipe (2) after passing through a pressurizing device (29).
  4. 4. The safe and energy-saving hydrogen peroxide production device according to claim 1, wherein the working solution feeding pipe (3) is provided with a jet feeding pump (16), and the safe and energy-saving hydrogen peroxide production device further comprises a catalyst adding tank (17), and the catalyst adding tank (17) is connected with the working solution feeding pipe (3).
  5. 5. The hydrogen peroxide production device with safety and energy conservation according to claim 4, wherein the hydrogenated liquid storage tank (6) is also connected with a back flushing pipe (18), the back flushing pipe (18) is connected to the primary filter (5), a back flushing output end of the primary filter (5) is connected to a catalyst recovery pipe (19), and the catalyst recovery pipe (19) is connected to the injection feed pump (16).
  6. 6. The hydrogen peroxide production device with safety and energy conservation as claimed in claim 5, wherein the secondary filter (7) and the cartridge filter (8) are further connected with a filter collecting container (20), and the filter collecting container (20) is further connected with a catalyst recovery pipe (19).
  7. 7. The hydrogen peroxide production device according to claim 5 or 6, wherein the catalyst recovery pipe (19) is further connected with a working fluid recovery pipe (21), the working fluid recovery pipe (21) is connected to the working fluid feeding tank (4), and a catalyst removal filter (22) is arranged on the working fluid recovery pipe (21).
  8. 8. The safe and energy-saving hydrogen peroxide production device according to claim 1, wherein the top of the oxidizer (9) is connected with a tail gas pipe (23), the tail gas pipe (23) is sequentially connected with a gas-liquid separation tank (24) and a tail gas expander (25), and the tail gas expander (25) is further connected with a tail gas treatment device.
  9. 9. The safe and energy-saving hydrogen peroxide production device according to claim 1, wherein the working solution feeding tank (4) is further connected with a degradation product circulating pipe (26), and the degradation product circulating pipe (26) is connected with a clay bed (27) and then connected to a regeneration material filter (28) and then connected to the working solution feeding tank (4).
  10. 10. The safe and energy-saving hydrogen peroxide production device according to claim 1, wherein the working solution is a solution prepared by taking anthraquinone as a carrier and heavy aromatic hydrocarbon and tetrabutyl urea as mixed solvents.

Description

Safe and energy-saving hydrogen peroxide production device Technical Field The utility model relates to the technical field of hydrogen peroxide production, in particular to a safe and energy-saving hydrogen peroxide production device. Background At present, the anthraquinone process technology is mature, and the technology is still the main production method in the hydrogen peroxide device in the current world. The process comprises the steps of carrying out hydrogenation reaction on anthraquinone (EAQ) and hydrogen (H 2) in a circulating working solution in a hydrogenation tower to generate hydrogenation solution containing hydrogen anthraquinone (EH 2 AQ), carrying out reaction on the hydrogen anthraquinone (EH 2 AQ) in an oxidation tower and oxygen in air to generate oxidation solution containing hydrogen peroxide (H2O 2) and anthraquinone (EAQ), extracting the oxidation solution in an extraction tower by pure water, treating crude hydrogen peroxide discharged from the bottom of the extraction tower by a purifying tower to obtain hydrogen peroxide product, separating water from raffinate discharged from the top of the extraction tower by a raffinate separator, further drying and dehydrating by an alkali tower, and recycling the raffinate to the hydrogenation tower. However, accidents of the acid-base alternating fixed bed process frequently occur, and the process is classified as a obsolete process. Disclosure of Invention The technical problem to be solved by the utility model is to provide a safe and energy-saving hydrogen peroxide production device, which adopts a full-acid fluidized bed production process, eliminates an alkali tower and can prevent the hydrogen peroxide from being decomposed due to alkali carried by a system, thereby reducing the risk that the hydrogen peroxide is decomposed to possibly cause explosion. The technical scheme includes that the safe and energy-saving hydrogen peroxide production device comprises a hydrogenator, wherein a hydrogen inlet pipe and a working fluid inlet pipe are connected to an air inlet end of the hydrogenator, the working fluid inlet pipe is connected with a working fluid inlet tank, a discharge end of the hydrogenator is connected to a plurality of primary filters and then connected to a hydrogenation fluid storage tank, a liquid outlet end of the hydrogenation fluid storage tank is sequentially connected to a secondary filter and a security filter, filtered working fluid is connected to an oxidizer, a discharge end of the oxidizer is connected with an oxidizing fluid storage tank, a liquid outlet end of the oxidizing fluid storage tank is connected to an extraction tower, a discharge end of the extraction tower is connected to a purification tower, and products are output from the purification tower. Preferably, the top of the extraction tower is connected with the coalescer and the flash evaporator in sequence through pipelines, and then is connected to the working solution feeding tank. Preferably, a hydrogen recovery pipe is arranged at the top of the hydrogenator, and the hydrogen recovery pipe is connected to the hydrogen inlet pipe after passing through the pressurizing device. Preferably, the working fluid feeding pipe is provided with a jet feeding pump, and the device further comprises a catalyst adding tank, and the catalyst adding tank is connected with the working fluid feeding pipe. Preferably, the hydrogenation liquid storage tank is also connected with a back flushing pipe, the back flushing pipe is connected to the primary filter, a back flushing output end of the primary filter is connected to a catalyst recovery pipe, and the catalyst recovery pipe is connected to the injection feed pump. Preferably, the secondary filter and the cartridge filter are further connected to a filter collecting container, which is in turn connected to a catalyst recovery pipe. Preferably, the catalyst recovery pipe is further connected with a working fluid recovery pipe, the working fluid recovery pipe is connected to a working fluid feeding tank, and a catalyst removal filter is arranged on the working fluid recovery pipe. Preferably, the top of the oxidizer is connected with a tail gas pipe, the tail gas pipe is sequentially connected with a gas-liquid separation tank and a tail gas expander, and the tail gas expander is connected with a tail gas treatment device. Preferably, the working fluid feeding tank is also connected with a degradation product circulating pipe, and the degradation product circulating pipe is connected with the clay bed, then connected to a regeneration material filter and then connected to the working fluid feeding tank. Preferably, the working solution is a solution prepared by taking anthraquinone as a carrier and heavy aromatic hydrocarbon and tetrabutyl urea as mixed solvents. The utility model provides a safe and energy-saving hydrogen peroxide production device, which has the following beneficial effects: 1. By adopting the