一种硝酸生产用吸收塔

By using Y-shaped tubes and filter elements in the nitric acid production absorption tower, the problem of needing to shut down the absorption tower to replace the filter screen was solved, enabling maintenance without stopping the machine and improving the continuity and efficiency of production.

CN224507049UActive Publication Date: 2026-07-17CHONGQING HUAYU NEW MATERIAL TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING HUAYU NEW MATERIAL TECHNOLOGY CO LTD
Filing Date
2025-06-19
Publication Date
2026-07-17

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    Figure CN224507049U_ABST
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Abstract

本实用新型提供了一种硝酸生产用吸收塔,包括:吸收塔本体;Y型管,两个Y型管镜像布置,且Y型管具有两个第一通道和贯穿两个第一通道的第二通道,其中一Y型管的第二通道连接于吸收塔本体,另一Y型管的两个第一通道均设有阀门;过滤件,设于两个Y型管之间,并分别连接于相对的两个第一通道。两个Y型管和设于两个Y型管之间过滤件的配合下,通过控制其中一Y型管上的两个阀门,通过阀门的开闭来选择开启或者关闭这一Y型管的第一通道,可在不停止吸收塔本体运行的情况下切换气流路径,从而实现在一条通道工作的同时对另一条通道中的过滤件进行清洗或维护,相比于传统的吸收塔,提升硝酸生产的连续性和效率。
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Claims

1. An absorption column for nitric acid production, characterized by comprising: include: Absorption tower body (1); Y-shaped tube (2), two Y-shaped tubes (2) are arranged in a mirror image, and each Y-shaped tube (2) has two first channels (201) and a second channel (202) passing through the two first channels (201). The second channel (202) of one Y-shaped tube (2) is connected to the absorption tower body (1), and the two first channels (201) of the other Y-shaped tube (2) are equipped with valves (3). The filter element is disposed between the two Y-shaped tubes (2) and connected to the two opposite first channels (201).

2. The absorption column for nitric acid production according to claim 1, characterized in that, The filter element includes: The mounting cylinder (4) is provided with a partition (401) to divide the interior of the mounting cylinder (4) into two chambers, and the first channels (201) of the two Y-shaped tubes (2) respectively penetrate into the interior of the two chambers; The filter cartridge (5) is fastened to the mounting cartridge (4) and is provided with a filter element (6), which corresponds to the partition plate (401).

3. The absorption column for nitric acid production according to claim 2, characterized in that, The mounting cylinder (4) is provided with a plurality of mounting seats (406), and the filter cylinder (5) is provided with a plurality of connecting rods (502). The plurality of connecting rods (502) are respectively inserted into the corresponding mounting seats (406), and the ends of the connecting rods (502) are threaded and threaded with nuts (503), and the nuts (503) abut against the mounting seats (406).

4. The absorption column for nitric acid production according to claim 2, characterized by The partition (401) has a positioning groove (402), and the filter element (6) is snapped into the positioning groove (402).

5. An absorption tower for nitric acid production according to any one of claims 2-4, characterized in that, The mounting cylinder (4) has a slot (403), and the filter cylinder (5) has a locking block (504) on its inner side, which is engaged with the slot (403).

6. The absorption column for nitric acid production according to claim 5, characterized in that, The filter cylinder (5) is provided with two corresponding limiting grooves (501), and the filter element (6) is snapped between the two limiting grooves (501).

7. The absorption column for nitric acid production according to claim 1, characterized by Both of the first channels (201) in the Y-shaped pipe (2) connected to the absorption tower body (1) are equipped with one-way valves (7).

8. The absorption column for nitric acid production according to claim 2, characterized by The first channel (201) has a connecting pipe (203) at its end, and the mounting cylinder (4) has a connecting pipe (404). The connecting pipe (404) has a threaded ring (405) that is rotatably provided, and the threaded ring (405) is threadedly connected to the connecting pipe (203).