CN-224215926-U - Hydrogen purification heat recovery device

Abstract

The utility model relates to the technical field of hydrogen recovery, and discloses a hydrogen purification heat recovery device which comprises an alkali liquor heat exchanger, wherein the alkali liquor heat exchanger is connected with a hydrogen heat exchanger through a pipeline, the hydrogen heat exchanger is connected with a deoxidization reactor through a pipeline, the deoxidization reactor is connected with a cooler through a pipeline, the cooler is connected with a deoxidization gas-liquid separator through a pipeline, the deoxidization gas-liquid separator is connected with a second pneumatic ball valve through a pipeline, the deoxidization gas-liquid separator is connected with a hydrogen regulating valve through a pipeline, and a recovery assembly is arranged at the outlet end of the hydrogen filter. According to the utility model, the effect of effectively recycling the heat of the high-temperature alkali liquor can be achieved by the mutual coordination among the alkali liquor heat exchanger, the hydrogen heat exchanger, the deoxidization reactor, the drying electric heater, the cooler, the deoxidization gas-liquid separator, the hydrogen regulating valve, the second pneumatic ball valve and the pneumatic four-way valve, and the effect of effectively saving resources can be achieved.

Inventors

• ZHAO YONGSHENG
• CHEN JIAN
• LI LINHU

Assignees

• 苏州希倍优氢能源科技有限公司

Dates

Publication Date

20260508

Application Date

20250716

Claims (8)

1. 1. The hydrogen purification heat recovery device is characterized by comprising an alkali liquor heat exchanger, wherein the alkali liquor heat exchanger is connected with a hydrogen heat exchanger through a pipeline, the hydrogen heat exchanger is connected with a deoxidization reactor through a pipeline, the deoxidization reactor is connected with a cooler through a pipeline, the cooler is connected with a deoxidization gas-liquid separator through a pipeline, the deoxidization gas-liquid separator is connected with a second pneumatic ball valve through a pipeline, the deoxidization gas-liquid separator is connected with a hydrogen regulating valve through a pipeline, the hydrogen regulating valve is connected with a pneumatic four-way valve II through a pipeline, the pneumatic four-way valve II is connected with a dryer A through a pipeline, the dryer A is connected with a pneumatic four-way valve III through a pipeline, and the outlet end of the hydrogen filter is provided with a recovery component.
2. 2. The hydrogen purification heat recovery device according to claim 1, wherein the recovery component comprises a micro-oxygen meter dew-point meter integrated system, the micro-oxygen meter dew-point meter integrated system is connected with the hydrogen filter through a pipeline, the micro-oxygen meter dew-point meter integrated system and the first pneumatic ball valve are connected through a pipeline, and the micro-oxygen meter dew-point meter integrated system and the second pneumatic ball valve are connected through a pipeline.
3. 3. The hydrogen purification heat recovery device according to claim 1, wherein the deoxidized gas-liquid separator is connected with the hydrogen flowmeter through a pipeline, and the hydrogen flowmeter and the first pneumatic four-way valve are connected through a pipeline.
4. 4. A hydrogen purification heat recovery device according to claim 3, wherein the first pneumatic four-way valve is connected with the pre-dryer through a pipeline, and the pre-dryer is connected with the drying electric heater through a pipeline.
5. 5. The hydrogen purification heat recovery device according to claim 4, wherein the drying electric heater and the pneumatic four-way valve are connected through a pipeline, and the pneumatic four-way valve and the dryer B are connected through a pipeline.
6. 6. The hydrogen purification heat recovery device according to claim 5, wherein the dryer B and the pneumatic four-way valve B are connected through a pipeline, and the pneumatic four-way valve B and the pneumatic four-way valve A are connected through a pipeline.
7. 7. The hydrogen purification heat recovery device according to claim 6, wherein the first pneumatic four-way valve is connected with the cooler through a pipeline, the cooler is connected with the dry gas-liquid separator through a pipeline, the dry gas-liquid separator is connected with the first pneumatic ball valve through a pipeline, and the second pneumatic four-way valve is connected with the dryer A through a pipeline.
8. 8. The hydrogen purification heat recovery device according to claim 1, wherein the lye heat exchanger is connected with the waterway regulating valve through a pipeline, and the waterway regulating valve is connected with the cooler through a pipeline.

Description

Hydrogen purification heat recovery device Technical Field The utility model relates to the technical field of hydrogen recovery, in particular to a hydrogen purification heat recovery device. Background Hydrogen purification refers to a process of removing various impurity components such as oxygen, nitrogen, carbon monoxide, carbon dioxide, water vapor, sulfide, etc. from hydrogen containing impurities by a specific method and process to obtain high purity hydrogen. Operations such as adsorbent regeneration in Pressure Swing Adsorption (PSA), gas compression in membrane separation, etc. consume large amounts of energy and generate heat during hydrogen purification. Through heat recovery unit, can collect these heat that can be wasted originally for preheat raw materials gas, firing equipment or other production links, reduce the demand to the fresh energy, reduce energy purchasing cost, consequently just need use a hydrogen purification heat recovery unit. The hydrogen purification heat recovery device is a device for collecting heat which can be wasted in the hydrogen purification process, in the prior art, when the hydrogen is deoxidized through a purification system, the hydrogen is required to be heated to about 40 ℃ to ensure the catalytic activity of a palladium catalyst, the hydrogen is heated by an electric heater in the conventional technology, and the heat of high-temperature alkali liquor is not utilized. Disclosure of utility model In order to overcome the defects, the utility model provides a hydrogen purification heat recovery device, which aims to solve the problem that the heat of high-temperature alkali liquor is not utilized when the hydrogen is heated by an electric heater in the conventional technology. In order to achieve the aim, the utility model provides the technical scheme that the hydrogen purification heat recovery device comprises an alkali liquor heat exchanger, wherein the alkali liquor heat exchanger is connected with the hydrogen heat exchanger through a pipeline, the hydrogen heat exchanger is connected with a deoxidization reactor through a pipeline, the deoxidization reactor is connected with a cooler through a pipeline, the cooler is connected with a deoxidization gas-liquid separator through a pipeline, the deoxidization gas-liquid separator is connected with a second pneumatic ball valve through a pipeline, the deoxidization gas-liquid separator is connected with a hydrogen regulating valve through a pipeline, the hydrogen regulating valve is connected with a pneumatic four-way valve II through a pipeline, the pneumatic four-way valve II is connected with a dryer A through a pipeline, the pneumatic four-way valve III is connected with a hydrogen filter through a pipeline, and a recovery assembly is arranged at the outlet end of the hydrogen filter. Preferably, the recovery component comprises a micro-oxygen meter dew point meter integrated system, the micro-oxygen meter dew point meter integrated system is connected with the hydrogen filter through a pipeline, the micro-oxygen meter dew point meter integrated system and the first pneumatic ball valve are connected through a pipeline, and the micro-oxygen meter dew point meter integrated system and the second pneumatic ball valve are connected through a pipeline. Preferably, the deoxidization gas-liquid separator is connected with the hydrogen flowmeter through a pipeline, and the hydrogen flowmeter and the first pneumatic four-way valve are connected through a pipeline. Preferably, the pneumatic four-way valve I is connected with the pre-dryer through a pipeline, and the pre-dryer is connected with the drying electric heater through a pipeline. Preferably, the drying electric heater is connected with the pneumatic four-way valve III through a pipeline, and the pneumatic four-way valve III is connected with the dryer B through a pipeline. Preferably, the dryer B and the pneumatic four-way valve B are connected through a pipeline, and the pneumatic four-way valve B and the pneumatic four-way valve A are connected through a pipeline. Preferably, the first pneumatic four-way valve is connected with the cooler through a pipeline, the cooler is connected with the dry gas-liquid separator through a pipeline, the dry gas-liquid separator is connected with the first pneumatic ball valve through a pipeline, and the second pneumatic four-way valve is connected with the dryer A through a pipeline. Preferably, the alkali liquor heat exchanger is connected with the waterway regulating valve through a pipeline, and the waterway regulating valve is connected with the cooler through a pipeline. The utility model has the following beneficial effects: 1. according to the utility model, the effect of effectively recycling the heat of the high-temperature alkali liquor can be achieved by the mutual coordination among the alkali liquor heat exchanger, the hydrogen heat exchanger, the deoxidization reactor, the drying electric heater, the