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CN-224221082-U - A nitrogen gas drying device for nitrogen gas preparation

CN224221082UCN 224221082 UCN224221082 UCN 224221082UCN-224221082-U

Abstract

The utility model discloses a nitrogen drying device for nitrogen preparation, which relates to the technical field of nitrogen drying devices, and comprises a base, wherein a cold dryer and a dryer are symmetrically arranged on the upper surface of the base, a connecting pipe is arranged between the cold dryer and the dryer, a drying plate is arranged in the dryer, an air outlet pipe is arranged on the outer side surface of the dryer, a flange plate is fixedly arranged at the other end of the air outlet pipe, and a sealing component is connected to the flange plate.

Inventors

  • HE QIJIN
  • DING JIACANG
  • BAI JIAN
  • FENG ZHIWEI
  • Cao Zengwen
  • Xue Yuanqing
  • YANG CHUN

Assignees

  • 扬州中环电气科技有限公司

Dates

Publication Date
20260512
Application Date
20250402

Claims (8)

  1. 1. The nitrogen drying device for nitrogen preparation comprises a base (1) and is characterized in that a cold dryer (11) and a dryer (12) are symmetrically arranged on the upper surface of the base (1), a connecting pipe (13) is arranged between the cold dryer (11) and the dryer (12), a drying plate (123) is arranged in the dryer (12), an air outlet pipe (121) is arranged on the outer side surface of the dryer (12), a flange plate (122) is fixedly arranged at the other end of the air outlet pipe (121), a sealing component (4) is connected to the flange plate (122), and an auxiliary replacement component (2) is connected to the outer side surface of the dryer (12); The auxiliary replacement assembly (2) comprises a side opening (21) and a connecting plate (23), the side opening (21) is formed in the outer side surface of the dryer (12), a fixed frame plate (22) is fixedly arranged on the outer side surface of the dryer (12), a fixed plate (231) is fixedly arranged on one side of the connecting plate (23), a jack (29) is formed in one side of the fixed plate (231) and is movably attached to the side surface of the connecting plate (23), a round frame (24) is fixedly arranged on the inner surface of the connecting plate (23), an adsorption plate (241) is fixedly arranged on the inner surface of the round frame (24), a hollow plate (25) is fixedly arranged on the lower surface of the fixed frame plate (22), a spring (27) is fixedly arranged on the inner surface of the hollow plate (25), a sliding plate (28) is fixedly arranged at the upper end of the spring (27), a movable rod (26) is fixedly arranged in the middle of the sliding plate (28), a jack (29) is formed in one side of the fixed frame plate (22), a movable through plate (25) and the jack (29), one side of the fixed plate (231) is fixedly arranged on one side of the fixed plate (22), a connecting cylinder (291), and the movable through the jack (291) is movably arranged on the movable through the jack (291).
  2. 2. A nitrogen gas drying apparatus for nitrogen gas preparation according to claim 1, wherein the sealing component (4) comprises an annular groove (41), the annular groove (41) is arranged on one side of the flange plate (122), a sealing air bag (42) is fixedly arranged on the inner surface of the annular groove (41), an air duct (43) is fixedly arranged on the outer side surface of the sealing air bag (42), the air duct (43) penetrates through the flange plate (122), and a screw cap (44) is connected to the upper end of the air duct (43) in a screw mode.
  3. 3. A nitrogen gas drying apparatus for nitrogen gas production according to claim 1, wherein a pull opening (232) is provided on one side of said fixing plate (231), and the cross-sectional shape of said pull opening (232) is a "concave" shape.
  4. 4. A nitrogen drying apparatus for nitrogen production according to claim 1, wherein said movable rod (26) has a "T" shape in cross section.
  5. 5. A nitrogen gas drying apparatus for nitrogen gas production according to claim 1, wherein eight springs (27) are provided and an array of springs (27) is arranged between the inner surface of the hollow plate (25) and the slide plate (28).
  6. 6. A nitrogen gas drying apparatus for nitrogen gas preparation according to claim 2, wherein a fixing case (45) is fixedly arranged on the outer side surface of the flange plate (122), a protection plate (46) is rotatably arranged on the fixing case (45), a bolt (47) is inserted into the protection plate (46) through threads, and the end part of the bolt (47) is inserted into the protection plate (46) through threads.
  7. 7. A nitrogen gas drying apparatus for nitrogen gas production according to claim 6, wherein said screw cap (44) and the end of the gas-guide tube (43) are both provided inside the fixed case (45).
  8. 8. A nitrogen drying apparatus for nitrogen production according to claim 2, wherein the air duct (43) is connected with the screw cap (44) by an internal screw thread and an external screw thread.

Description

A nitrogen gas drying device for nitrogen gas preparation Technical Field The utility model relates to the technical field of nitrogen drying devices, in particular to a nitrogen drying device for nitrogen preparation. Background The nitrogen drying device is a machine for drying nitrogen, is one of the processes in the preparation of nitrogen, and the main process of nitrogen preparation comprises raw material air filtration, compression, cooling, cleaning, pressurization, expansion, rectification, separation, heating and external supply, and the common preparation methods of nitrogen include liquid-air fractionation, low-temperature separation, membrane separation, pressure swing adsorption, pressure swing absorption and the like, and since nitrogen occupies 4/5 of the atmosphere, namely more than 78% of the atmosphere, nitrogen can be almost used indefinitely, and the nitrogen is mainly generated by separating or decomposing nitrogen-containing compounds from the atmosphere. The utility model discloses a nitrogen gas drying device for nitrogen gas preparation in application number "CN202320521591.1", relates to nitrogen gas drying device technical field, including the cold dryer, cold dryer passes through pipe fixedly connected with desiccator, the desiccator includes the casing, the equal fixedly connected with pipeline in left and right sides of casing surface, the inner wall of desiccator is from last first adsorbed layer, second adsorbed layer, third adsorbed layer, fourth adsorbed layer and the fifth adsorbed layer of fixedly connected with in proper order down, the inner wall of casing is provided with the drying device that absorbs water. The drying treatment mode of the equipment has good effect, so that the quantity of unqualified nitrogen detection in the nitrogen tank during the subsequent purity measurement is reduced, the qualification rate of the equipment for preparing nitrogen is improved, the use effect of the equipment is improved, and the practicability of the equipment is enhanced. However, the above-mentioned arrangement still has some problems when using, but above-mentioned equipment can make the qualification rate of nitrogen gas higher through a plurality of adsorbed layers, but when the adsorbed layer after using for a period of time, the adsorption efficiency of adsorbed layer can reduce, because the adsorbed layer is connected in the desiccator more and is inconvenient to change, can influence the adsorption efficiency of equipment after long-time use, and above-mentioned equipment is connected with the pipe through the ring flange, and gaseous easily flows out from the gap of junction after the pipe connection, and the leakproofness is not strong. Disclosure of utility model The utility model aims to provide a nitrogen drying device for nitrogen preparation, which aims to solve the problems that the qualification rate of nitrogen is higher through a plurality of adsorption layers in the equipment, but the adsorption efficiency of the adsorption layers is reduced after the adsorption layers are used for a period of time, the adsorption efficiency of the equipment can be affected after long-time use due to the fact that the adsorption layers are connected inside a dryer in a plurality of ways and are inconvenient to replace, the equipment is connected with a conduit through a flange, gas easily flows out from a gap at a connecting part after the pipeline is connected, and the tightness is not strong. In order to solve the technical problems, the nitrogen drying device for nitrogen preparation comprises a base, wherein a cold dryer and a dryer are symmetrically arranged on the upper surface of the base, a connecting pipe is arranged between the cold dryer and the dryer, a drying plate is arranged in the dryer, an air outlet pipe is arranged on the outer side surface of the dryer, a flange plate is fixedly arranged at the other end of the air outlet pipe, a sealing component is connected to the flange plate, and an auxiliary replacement component is connected to the outer side surface of the dryer; The auxiliary replacement assembly comprises a side opening and a connecting plate, wherein the side opening is formed in the outer side surface of the dryer, a fixed frame plate is fixedly arranged on the outer side surface of the dryer, a fixed plate is fixedly arranged on one side of the connecting plate, the fixed plate is movably attached to the side surface of the connecting plate, a round frame is fixedly arranged on the inner surface of the connecting plate, an adsorption plate is fixedly arranged on the inner surface of the round frame, a hollow plate is fixedly arranged on the lower surface of the fixed frame plate, a spring is fixedly arranged on the inner surface of the hollow plate, a sliding plate is fixedly arranged at the upper end of the spring, a movable rod is fixedly arranged in the middle of the sliding plate, a socket is formed in one side of the fixed frame plate