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CN-224200742-U - Utilize quick hydrogen plant of flue gas waste heat

CN224200742UCN 224200742 UCN224200742 UCN 224200742UCN-224200742-U

Abstract

The utility model belongs to the technical field of hydrogen production, in particular to a rapid hydrogen production device utilizing flue gas waste heat, which comprises a split automatic switching valve and a hydrogen production device body, wherein the output end of the split automatic switching valve is connected with the input end of the hydrogen production device body, one end of the shunt automatic switching valve is provided with a switching valve inlet end, and one end of the shunt automatic switching valve far away from the switching valve inlet end is respectively provided with a switching valve outlet end and a hot flue gas discharge end. The utility model utilizes the waste heat of the flue gas to prepare hydrogen by utilizing the high-temperature flue gas discharged by the diesel heavy truck engine, and utilizes methanol or methanol and purified water to prepare hydrogen under the action of the catalyst, so that the hydrogen can be prepared by hydrogen production on a vehicle under the guarantee of factors such as temperature, pressure, feeding amount and the like, thereby saving fuel and reducing carbon emission and nitrogen oxide emission.

Inventors

  • LIN YONGCHUN

Assignees

  • 凤城市炜烨机械有限公司

Dates

Publication Date
20260505
Application Date
20250702

Claims (6)

  1. 1. The rapid hydrogen production device utilizing the waste heat of the flue gas comprises a split automatic switching valve and a hydrogen production device body, and is characterized in that the output end of the split automatic switching valve is connected with the input end of the hydrogen production device body, one end of the split automatic switching valve is provided with a switching valve inlet end (1), one end of the split automatic switching valve far away from the switching valve inlet end (1) is respectively provided with a switching valve outlet end (3) and a hot flue gas discharge end (4), and an automatic switching valve core (2) is rotationally connected to the split automatic switching valve; The hydrogen production device comprises a hydrogen production device body, and is characterized in that a hot flue gas inlet (5) and a flue gas channel outlet (13) are respectively arranged at two ends of the hydrogen production device body, a front end plate valve rod hole (6) is arranged at one end of the hydrogen production device body close to the hot flue gas inlet (5), a rear end plate valve rod hole (14) is arranged at one end of the hydrogen production device body close to the flue gas channel outlet (13), a sealed spiral coil type catalytic reactor main body (10) and a hydrogen production raw material quick evaporator main body (18) are arranged in the middle of the hydrogen production device body, a first hot flue gas channel (7) communicated with the sealed spiral coil type catalytic reactor main body (10) is arranged in the hydrogen production device body, a second hot flue gas channel (20) communicated with the hydrogen production raw material quick evaporator main body (18) is arranged in the hydrogen production device body, a dry distiller coil (9) is circumferentially arranged at the outer part of the sealed spiral coil type catalytic reactor main body (10), a first shell (8) is arranged at the outer part of the dry distiller coil (9), and a tubular dry distiller (16) is arranged at the outer part of the hydrogen production raw material quick evaporator main body (18), and a second shell (17) is arranged at the outer part of the tubular distiller (16); One end of the hydrogen production device body, which is close to the flue gas channel outlet (13), is provided with a first flue gas discharge channel (11) and a second flue gas discharge channel (15) which are respectively communicated with the sealed spiral coil type catalytic reactor main body (10) and the hydrogen production raw material rapid evaporator main body (18), and one end of the hydrogen production device body, which is close to the flue gas channel outlet (13), is provided with a flue gas intersection inlet (12).
  2. 2. The rapid hydrogen production device utilizing the waste heat of flue gas according to claim 1, wherein one end of the hydrogen production device body close to the hot flue gas inlet (5) is provided with a temperature sensor mounting internal threaded hole (21).
  3. 3. The device for rapidly producing hydrogen by utilizing the waste heat of flue gas according to claim 1, wherein the two ends of the first shell (8) and the second shell (17) are fixedly sleeved with connecting flanges (19).
  4. 4. A rapid hydrogen production device utilizing waste heat of flue gas according to claim 1, wherein the rapid hydrogen production raw material evaporator main body (18) comprises a pressure spray nozzle (22) and a mist separator (24), a flue gas heat receiving pipe (23), a hydrogen production raw material steam outlet (25), an evaporator round sleeve-shaped outer shell (26) and end covers (28) at two ends of the shell, a plurality of hydrogen production raw material steam passing holes (27) are formed in the mist separator (24), and a flue gas channel (29) in the flue gas heat receiving pipe is formed in one end of the flue gas heat receiving pipe (23).
  5. 5. A rapid hydrogen production device utilizing flue gas waste heat according to claim 1, wherein the sealed spiral coil type catalytic reactor main body (10) comprises a raw material inlet (32), end covers (33) at two ends of the catalytic reactor main body, a catalytic reactor outer shell (37) and a main body central flue pipe (35), a main body central flue gas channel (34) is arranged in the main body central flue pipe (35), a catalyst Cheng Zhuangguan (36) is arranged around the outside of the main body central flue pipe (35), and an internal thread seat sleeve (38) and a conveying pipeline outlet (39) for a temperature sensor are respectively arranged at the bottom of the catalytic reactor outer shell (37).
  6. 6. The rapid hydrogen production apparatus by utilizing flue gas waste heat as claimed in claim 5, wherein two ends of the end caps (33) at two ends of the catalytic reactor main body are respectively arranged at two ends of the outer shell (37) of the catalytic reactor.

Description

Utilize quick hydrogen plant of flue gas waste heat Technical Field The utility model relates to the technical field of hydrogen preparation, in particular to a rapid hydrogen production device utilizing waste heat of flue gas. Background The current scientific and technical level of China is rapidly advanced, and the social economy is also developed with high quality. People attach more importance to energy conservation and environmental protection, the requirements are also higher and higher, in the aspect of automobiles, how to enable the automobiles to save more oil and more gas, the emission is better, the cost is lower, and the problem is solved. At present, the aim requirements of air pollution control and double carbon are actively and comprehensively met in China, wherein a diesel heavy truck is a heavy weight in pollution control in the field of transportation, and how to realize energy conservation and carbon reduction of a diesel vehicle is also an important ring for promoting green transportation. Disclosure of utility model The utility model aims to solve the problem of how to realize energy conservation and carbon reduction of a diesel vehicle, which is proposed in the background art, and provides a device for quickly producing hydrogen by using waste heat of flue gas. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The rapid hydrogen production device utilizing the waste heat of the flue gas comprises a split automatic switching valve and a hydrogen production device body, wherein the output end of the split automatic switching valve is connected with the input end of the hydrogen production device body, one end of the split automatic switching valve is provided with a switching valve inlet end, one end of the split automatic switching valve far away from the switching valve inlet end is respectively provided with a switching valve outlet end and a hot flue gas discharge end, and an automatic switching valve core is rotationally connected to the split automatic switching valve; The hydrogen production device comprises a hydrogen production device body, and is characterized in that a hot flue gas inlet and a flue gas channel outlet are respectively arranged at two ends of the hydrogen production device body, a front end plate valve stem hole is arranged at one end of the hydrogen production device body, which is close to the hot flue gas inlet, a rear end plate valve stem hole is arranged at one end of the hydrogen production device body, which is close to the flue gas channel outlet, a sealed spiral coil type catalytic reactor main body and a hydrogen production raw material rapid evaporator main body are arranged in the middle part of the hydrogen production device body, a first hot flue gas channel communicated with the sealed spiral coil type catalytic reactor main body is arranged in the hydrogen production device body, a second hot flue gas channel communicated with the hydrogen production raw material rapid evaporator main body is arranged in the hydrogen production device body, a dry distiller coil is circumferentially arranged outside the sealed spiral coil type catalytic reactor main body, a first shell is arranged outside the hydrogen production raw material rapid evaporator main body, a coil type dry distiller is arranged outside the coil type dry distiller, and a second shell is arranged outside the coil type dry distiller; The hydrogen production device comprises a hydrogen production device body, and is characterized in that one end of the hydrogen production device body, which is close to a flue gas channel outlet, is provided with a first flue gas discharge channel and a second flue gas discharge channel which are respectively communicated with a sealed spiral coil type catalytic reactor main body and a hydrogen production raw material rapid evaporator main body, and one end of the hydrogen production device body, which is close to the flue gas channel outlet, is provided with a flue gas intersection inlet. Preferably, one end of the hydrogen production device body close to the hot flue gas inlet is provided with a temperature sensor mounting internal threaded hole. Preferably, the two ends of the first shell and the second shell are fixedly sleeved with connecting flange plates. Preferably, the main body of the hydrogen production raw material rapid evaporator comprises a pressure spray nozzle, a mist separator, a smoke heat-receiving pipe, a hydrogen production raw material steam outlet and end covers at two ends of the shell, wherein a plurality of hydrogen production raw material steam passing holes are formed in the mist separator, and a smoke channel in the smoke heat-receiving pipe is formed in one end of the smoke heat-receiving pipe. Preferably, the sealed spiral coil type catalytic reactor main body comprises a raw material inlet, end covers at two ends of the catalytic reactor main body, a catalytic reactor ou