Nitrogen plug disposal device

By designing a nitrogen plug disposal device equipped with a detector and an automatic nitrogen discharge system, the problem of argon gas purity reduction and safety risks caused by nitrogen plugs in the air separation device is solved, and automatic detection and nitrogen discharge are realized, reducing production costs.

CN222459228UActive Publication Date: 2025-02-11ZHANGJIAGANG YINGDING GASES CO LTD
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Patent Information

Application Number
CN202420578329.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-25
Publication Date
2025-02-11
Estimated Expiration
2034-03-25

AI Technical Summary

Technical Problem

In air separation devices, the nitrogen plug phenomenon leads to a decrease in the purity of argon gas products and an increase in safety risks, and it is difficult for the prior art to realize automatic detection and nitrogen discharge treatment.

Method used

A nitrogen plug disposal device is designed, including a detection box and exhaust pipe, equipped with a pressure detector, a nitrogen content detector and an alarm, and automatically detects and discharges nitrogen through the control panel and driving equipment.

Benefits of technology

Automatic detection and nitrogen discharge of nitrogen content in the air separation device is realized, avoiding the occurrence of nitrogen plugs, reducing production costs, and improving product purity and device safety.

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Abstract

The utility model relates to the technical field of air separation, in particular to a nitrogen plug disposal device which comprises a detection box and an exhaust pipe, a nitrogen content detector is arranged at the upper end of the detection box and comprises a detection head, the detection head extends into the detection box, an alarm is arranged at the rear end of the detection box, and the alarm is connected with the exhaust pipe. The exhaust pipe is installed at the side end, away from the connecting pipe, of the detection box, the exhaust pipe is communicated with the detection box, an adjusting box is installed at the upper end of the exhaust pipe, a threaded rod is rotatably installed on the inner wall of the upper end of the adjusting box, a valve plate is installed on the threaded rod in a threaded mode, a threaded hole penetrating through the valve plate is formed in the valve plate, and the threaded rod is located in the threaded hole. The device has the advantages of being capable of detecting the air pressure and the nitrogen content, automatically discharging nitrogen, effectively avoiding nitrogen plugging, even rapidly and effectively treating when the nitrogen plugging occurs, avoiding the bad conditions of working condition damage, product purity reduction and the like caused by the nitrogen plugging, and reducing the production cost of an enterprise.
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Description

Technical Field

[0001] The utility model relates to the technical field of air separation, in particular to a nitrogen plugging treatment device. Background Art

[0002] An air separation unit is a device that uses compressed air to separate and purify air components. It is mainly used in the fields of chemical industry, steel, electricity, medicine, etc. Argon is one of the important products in an air separation unit and is used in industrial fields such as semiconductors, laser cutting, and steel smelting. During the operation of an air separation unit, nitrogen plugging is a common operating phenomenon. Nitrogen plugging refers to the phenomenon that the nitrogen component is too high and the argon component is too low in the air separation unit. The presence of nitrogen plugging will not only affect the purity and output of the argon product, but may also cause safety problems in the air separation unit.

[0003] When the nitrogen content in the air separation unit is too high and nitrogen blockage is about to occur, the staff is required to manually operate the valve of the nitrogen discharge pipe to discharge the excess nitrogen. If the staff cannot discover it in time, nitrogen blockage will occur. Therefore, the utility model provides a nitrogen blockage disposal device. Utility Model Content

[0004] The purpose of the utility model is to provide a nitrogen blockage treatment device, which can detect air pressure and nitrogen content, and automatically discharge nitrogen, effectively avoiding the occurrence of nitrogen blockage, and even quickly and effectively dealing with nitrogen blockage when it occurs, avoiding adverse situations such as working condition destruction and product purity reduction due to nitrogen blockage, thereby reducing the production cost of the enterprise and solving the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a nitrogen blockage treatment device, comprising a detection box and an exhaust pipe, a connecting pipe connected to one side of the detection box is installed, an air pressure detector is arranged on the connecting pipe, a nitrogen content detector is arranged on the upper end of the detection box, the nitrogen content detector includes a detection head, the detection head extends into the detection box, an alarm is arranged at the rear end of the detection box, the exhaust pipe is installed on one side of the detection box away from the connecting pipe, the exhaust pipe is connected with the detection box, an adjusting box is installed on the upper end of the exhaust pipe, the adjusting box is connected with the exhaust pipe, a threaded rod is rotatably installed on the inner wall of the upper end of the adjusting box, a valve plate is threadedly installed on the threaded rod, a threaded hole penetrating the valve plate is opened on the valve plate, and the threaded rod is located in the threaded hole.

[0006] When using the nitrogen plugging treatment device of the utility model,

[0007] The connecting pipe is installed and connected to the exhaust port of the air separation unit through a flange. The air pressure in the air separation unit can be detected by an air pressure detector, and the nitrogen content can be detected by a nitrogen content detector. When there is too much nitrogen, the built-in controller of the control panel controls the operation of the driving device. The operation of the driving device can make the threaded rod rotate, and the valve plate can rise to open the exhaust pipe, so that the nitrogen can be discharged from the exhaust pipe. At the same time, the alarm can be used to remind the staff, so that the staff can be informed in time that there is too much nitrogen in the air separation unit, which can avoid nitrogen blockage in the air separation unit.

[0008] Preferably, a flange is installed at the end of the connecting pipe, and a connecting hole is opened on the flange.

[0009] Preferably, a driving device is provided at the upper end of the regulating box, and a main shaft of the driving device is connected to the axis of the threaded rod.

[0010] Preferably, a control panel is provided at the front end of the detection box, and the control panel is electrically connected to the nitrogen content detector, the alarm, the air pressure detector and the driving device respectively.

[0011] Preferably, the inner wall of the upper end of the regulating box is installed with symmetrically distributed positioning rods, the valve plate is provided with a positioning hole penetrating the valve plate, two positioning holes are provided corresponding to the positioning rods, and the positioning rods are located in the positioning holes.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the nitrogen content can be detected by a nitrogen content detector. When there is too much nitrogen, the built-in controller of the control panel controls the operation of the driving device. The operation of the driving device can cause the threaded rod to rotate, thereby causing the valve plate to rise and open the exhaust pipe, so that the nitrogen can be discharged from the exhaust pipe. At the same time, the alarm can be used to remind the staff, so that the staff can know in time that there is too much nitrogen in the air separation unit. Not only can the nitrogen be discharged automatically to effectively avoid nitrogen blockage, but even when nitrogen blockage occurs, the staff can deal with it in time to avoid adverse conditions such as damage to working conditions and reduction in product purity due to nitrogen blockage, thereby reducing the production cost of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view structural schematic diagram of the utility model;

[0014] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the cross-sectional bottom view of the structure of the utility model;

[0016] Figure 4 It is a partial structural schematic diagram of the utility model.

[0017] The reference numerals and names in the figures are as follows:

[0018] 101. Test box; 102. Control panel; 103. Nitrogen content detector; 104. Alarm; 105. Air pressure detector; 106. Connecting pipe; 107. Flange; 201. Exhaust pipe; 202. Adjustment box; 203. Drive device; 204. Valve plate; 205. Threaded rod; 206. Positioning rod; 207. Threaded hole; 208. Positioning hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example

[0021] See also Figures 1 to 4 , an embodiment provided by the utility model: a nitrogen plugging treatment device, comprising:

[0022] A detection box 101 and an exhaust pipe 201, wherein a connecting pipe 106 is installed at one side end of the detection box 101, and an air pressure detector 105 is arranged on the connecting pipe 106. A nitrogen content detector 103 is arranged at the upper end of the detection box 101, and the nitrogen content detector 103 includes a detection head, and the detection head extends into the detection box 101. An alarm 104 is arranged at the rear end of the detection box 101. The exhaust pipe 201 is installed at one side end of the detection box 101 away from the connecting pipe 106, and the exhaust pipe 201 is connected with the detection box 101. An adjusting box 202 is installed at the upper end of the exhaust pipe 201, and the adjusting box 202 is connected with the exhaust pipe 201. A threaded rod 205 is rotatably installed on the inner wall of the upper end of the adjusting box 202, and a valve plate 204 is threadedly installed on the threaded rod 205. A threaded hole 207 penetrating the valve plate 204 is opened on the valve plate 204, and the threaded rod 205 is located in the threaded hole 207.

[0023] In this embodiment, the connecting pipe 106 is installed and connected to the exhaust port of the air separation device through the flange 107, the air pressure in the air separation device can be detected by the air pressure detector 105, and the nitrogen content can be detected by the nitrogen content detector 103. When there is too much nitrogen, the built-in controller of the control panel 102 controls the driving device 203 to work. The driving device 203 can rotate the threaded rod 205, so that the valve plate 204 can rise to open the exhaust pipe 201, so that the nitrogen can be discharged from the exhaust pipe 201. At the same time, the alarm 104 can work to remind the staff, so that the staff can know in time that there is too much nitrogen in the air separation device, and nitrogen blockage in the air separation device can be avoided.

[0024] Furthermore,

[0025] A flange 107 is installed at the end of the connecting pipe 106, and a connecting hole is opened on the flange 107. The flange 107 is provided for installation of the utility model.

[0026] Furthermore,

[0027] The upper end of the regulating box 202 is provided with a driving device 203, and the main shaft of the driving device 203 is connected to the axis of the threaded rod 205. The driving device 203 can make the threaded rod 205 rotate clockwise or counterclockwise, and the threaded rod 205 can make the valve plate 204 rise or fall when rotating clockwise or counterclockwise, so that the exhaust pipe 201 can be opened or closed.

[0028] Furthermore,

[0029] A control panel 102 is disposed at the front end of the detection box 101 , and the control panel 102 is electrically connected to the nitrogen content detector 103 , the alarm 104 , the air pressure detector 105 and the driving device 203 , respectively.

[0030] Furthermore,

[0031] The upper inner wall of the regulating box 202 is provided with symmetrically distributed positioning rods 206 . The valve plate 204 is provided with positioning holes 208 penetrating the valve plate 204 . The positioning holes 208 are provided with two corresponding positioning rods 206 , and the positioning rods 206 are located in the positioning holes 208 .

[0032] The control panel 102, nitrogen content detector 103, alarm 104, air pressure detector 105 and driving device 203 in the utility model are well-known devices, and their working principles and circuit connections are well known to technicians in the field, and are conventional means or common knowledge, so they will not be elaborated here. Those skilled in the art can make any selections according to their needs or convenience.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A nitrogen plugging treatment device, comprising a detection box (101) and an exhaust pipe (201), characterized in that: A connecting pipe (106) is installed at one end of the detection box (101), and a gas pressure detector (105) is installed on the connecting pipe (106). A nitrogen content detector (103) is installed at the upper end of the detection box (101), and the nitrogen content detector (103) includes a detection head, and the detection head extends into the detection box (101). An alarm (104) is installed at the rear end of the detection box (101). The exhaust pipe (201) is installed at one end of the detection box (101) away from the connecting pipe (106). At the side end, the exhaust pipe (201) is connected to the detection box (101), an adjustment box (202) is installed at the upper end of the exhaust pipe (201), the adjustment box (202) is connected to the exhaust pipe (201), a threaded rod (205) is rotatably installed on the inner wall of the upper end of the adjustment box (202), a valve plate (204) is threadedly installed on the threaded rod (205), a threaded hole (207) penetrating the valve plate (204) is opened on the valve plate (204), and the threaded rod (205) is located in the threaded hole (207).

2. A nitrogen plugging treatment device according to claim 1, characterized in that: A flange (107) is installed at the end of the connecting pipe (106), and a connecting hole is opened on the flange (107).

3. A nitrogen plugging treatment device according to claim 1, characterized in that: A driving device (203) is provided at the upper end of the regulating box (202), and the main shaft of the driving device (203) is connected to the axis of the threaded rod (205).

4. A nitrogen plugging treatment device according to claim 1, characterized in that: A control panel (102) is provided at the front end of the detection box (101), and the control panel (102) is electrically connected to a nitrogen content detector (103), an alarm (104), an air pressure detector (105) and a driving device (203) respectively.

5. A nitrogen plugging treatment device according to claim 1, characterized in that: The inner wall of the upper end of the regulating box (202) is provided with symmetrically distributed positioning rods (206), and the valve plate (204) is provided with a positioning hole (208) penetrating the valve plate (204). The positioning hole (208) is provided with two corresponding positioning rods (206), and the positioning rods (206) are located in the positioning holes (208).