CN219239268U - Hydrogenation purification nitrogen production equipment without regeneration gas loss - Google Patents
Hydrogenation purification nitrogen production equipment without regeneration gas loss Download PDFInfo
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- CN219239268U CN219239268U CN202223172688.0U CN202223172688U CN219239268U CN 219239268 U CN219239268 U CN 219239268U CN 202223172688 U CN202223172688 U CN 202223172688U CN 219239268 U CN219239268 U CN 219239268U
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- hydrodeoxygenation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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Abstract
The utility model discloses a hydrogenation purification nitrogen production device without regenerated gas loss, which comprises a base, a heating tower, a control cabinet, a freeze dryer, a hydrodeoxygenation tower, a heat exchanger, a freezer and an adsorption dryer which are arranged on the base, wherein the heat exchanger, the hydrodeoxygenation tower and the adsorption dryer are sequentially connected through nitrogen production pipelines to form a nitrogen production unit; the hydrodeoxygenation tower, the heating tower, the adsorption dryer, the heat exchanger, the freeze dryer, the adsorption dryer and the refrigerator are sequentially connected through a regeneration gas pipeline to form a regeneration gas circulation unit. According to the utility model, the regenerated gas is recycled, so that the device has no regenerated gas loss in the processes of hydrogenation purification and adsorption drying, the energy consumption for preparing high-purity nitrogen is greatly reduced, and the running cost of the device is reduced.
Description
Technical Field
The utility model relates to the field of chemical machinery, in particular to hydrogenation purification nitrogen production equipment without regeneration gas loss.
Background
In the hydrogenation purification nitrogen production equipment, a catalyst is generally used for enabling added hydrogen to react with residual oxygen in the common nitrogen to remove out-of-standard oxygen in the common nitrogen, a large amount of water is produced in the process, so that the product gas does not meet the use requirement, an adsorption dryer is required to remove the water in the product gas, and the adsorption dryer generally needs to consume about 10% of regenerated gas to take away regenerated water for emptying during regeneration, and the regenerated gas is generally high-purity nitrogen, so that great waste is caused.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the hydrogenation purification nitrogen production equipment without regeneration gas loss, which has no regeneration gas loss in the hydrogenation purification and adsorption drying processes, can greatly reduce the energy consumption for producing high-purity nitrogen and reduce the operation cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the hydrogenation purification nitrogen production equipment without regeneration gas loss comprises a base, and a heating tower, a control cabinet, a freeze dryer, a hydrodeoxygenation tower, a heat exchanger, a freezer and an adsorption type drying tower which are arranged on the base, wherein the heat exchanger, the hydrodeoxygenation tower and the adsorption type drying tower are sequentially connected through nitrogen production pipelines to form a nitrogen production unit; the hydrodeoxygenation tower, the heating tower, the adsorption dryer, the heat exchanger, the freeze dryer, the adsorption dryer and the refrigerator are sequentially connected through a regeneration gas pipeline to form a regeneration gas circulation unit.
According to the utility model, the hydrodeoxygenation tower, the heating tower, the adsorption dryer, the heat exchanger, the freeze dryer, the adsorption dryer and the refrigerator are sequentially connected through the regeneration gas pipeline, so that the regeneration gas circulation is formed, the equipment has no regeneration gas loss in the processes of hydrogenation purification and adsorption drying, the energy consumption for preparing high-purity nitrogen is greatly reduced, and the equipment operation cost is reduced.
Drawings
FIG. 1 is a front view of the present utility model;
fig. 2 is a top view of the present utility model.
In the figure: 1-a gas production pipeline; 2-prizes nitrogen inlet pipeline; 3-a heating tower; 4-a control cabinet; 5-a base; 6-a freeze dryer; 7-a hydrodeoxygenation column; 8-a heat exchanger; 9-a freezer; 10-adsorption drying tower.
Detailed Description
The utility model is described in further detail below in connection with the embodiments in the drawings, but is not to be construed as limiting the utility model in any way.
As shown in fig. 1 and 2, the hydrogenation purification nitrogen production equipment without regeneration gas loss provided by the utility model comprises a base 5, and a heating tower 3, a control cabinet 4, a freeze dryer 6, a hydrodeoxygenation tower 7, a heat exchanger 8, a freezer 9 and an adsorption dryer 10 which are arranged on the base 5, wherein the heat exchanger 8, the hydrodeoxygenation tower 7 and the adsorption dryer 10 are sequentially connected through nitrogen production pipelines to form a nitrogen production unit, a general nitrogen inlet pipeline 2 is connected to the heat exchanger 8, the general nitrogen inlet pipeline 2 is connected with a hydrogenation pipeline (not shown), and a gas production pipeline 1 is connected to the adsorption dryer 10; the hydrodeoxygenation tower 7, the heating tower 3, the adsorption dryer 10, the heat exchanger 8, the freeze dryer 6, the adsorption dryer 10 and the refrigerator 9 are sequentially connected through a regeneration gas pipeline to form a regeneration gas circulation unit.
In this embodiment, two adsorption drying towers 10 are arranged side by side on the base 5, and the pipelines of the two adsorption drying towers 10 are connected with each other and then connected with corresponding devices.
In the nitrogen production process, hydrogen and nitrogen enter a heat exchanger 8 from a hydrogenation pipeline and a common nitrogen inlet pipeline 2 respectively, waste heat is recovered through the heat exchanger 8 and then enters a hydrodeoxygenation tower 7, residual oxygen in common nitrogen reacts with hydrogen to produce water under the action of a hydrodeoxygenation catalyst, residual oxygen in common nitrogen is removed, high-purity nitrogen after the residual oxygen is removed enters an adsorption drying tower 10 to remove water, and qualified high-purity nitrogen enters a gas production pipeline 1 from the adsorption drying tower 10 to be supplied after metering and detecting; at the regeneration time sequence, the regenerated gas in the hydrodeoxygenation tower 7 enters the heating tower 3, is heated in the heating tower 3, the heated regenerated gas enters the adsorption type drying 10 tower again for regeneration, moisture adsorbed by a drying agent is regenerated, then enters the heat exchanger 8, the waste heat of the regenerated gas is recovered through the heat exchanger 8, then enters the freeze dryer 6, the temperature of the regenerated gas is reduced through the freeze dryer 6, the moisture in the regenerated gas is condensed and separated out, condensed water is discharged through a sewage discharge pipeline of the freeze dryer 6, the condensed regenerated gas enters the adsorption type drying 10 for adsorption to remove the moisture, and then enters the other adsorption type drying tower 10 for adsorption to remove the moisture again through the cooling of the freeze dryer 9.
According to the utility model, the hydrodeoxygenation tower, the heating tower, the adsorption dryer, the heat exchanger, the freeze dryer, the adsorption dryer and the refrigerator are sequentially connected through the regeneration gas pipeline, so that the regeneration gas circulation is formed, the equipment has no regeneration gas loss in the processes of hydrogenation purification and adsorption drying, the energy consumption for preparing high-purity nitrogen is greatly reduced, and the equipment operation cost is reduced.
Claims (1)
1. The utility model provides a no regeneration gas loss hydrogenation purification nitrogen making equipment, includes base and heating tower, switch board, freeze dryer, hydrodeoxygenation tower, heat exchanger, refrigerator and the absorption formula drying tower of setting on the base, its characterized in that: the heat exchanger, the hydrodeoxygenation tower and the adsorption dryer are sequentially connected through a nitrogen making pipeline to form a nitrogen making unit, a common nitrogen inlet pipeline is connected to the heat exchanger and connected with the hydrogenation pipeline, and a gas producing pipeline is connected to the adsorption dryer; the hydrodeoxygenation tower, the heating tower, the adsorption dryer, the heat exchanger, the freeze dryer, the adsorption dryer and the refrigerator are sequentially connected through a regeneration gas pipeline to form a regeneration gas circulation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223172688.0U CN219239268U (en) | 2022-11-29 | 2022-11-29 | Hydrogenation purification nitrogen production equipment without regeneration gas loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223172688.0U CN219239268U (en) | 2022-11-29 | 2022-11-29 | Hydrogenation purification nitrogen production equipment without regeneration gas loss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219239268U true CN219239268U (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202223172688.0U Active CN219239268U (en) | 2022-11-29 | 2022-11-29 | Hydrogenation purification nitrogen production equipment without regeneration gas loss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219239268U (en) |
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2022
- 2022-11-29 CN CN202223172688.0U patent/CN219239268U/en active Active
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