CN213902030U

CN213902030U - Heat exchanger of nitrogen compressor

Info

Publication number: CN213902030U
Application number: CN202022894329.0U
Authority: CN
Inventors: 王睿
Original assignee: Bengbu Zhengde Compressor Co ltd
Current assignee: Bengbu Zhengde Compressor Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-08-06
Anticipated expiration: 2030-12-03

Abstract

The utility model relates to the technical field of compressor devices, in particular to a nitrogen compressor heat exchanger, which comprises a cylinder body, the positions of the inner cavity of the cylinder body close to the top end and the bottom end are respectively provided with a spiral input pipe and a spiral output pipe, the spiral input pipe and the spiral output pipe are respectively spiral linear round pipes with the outer ends open, the position of the outer wall of the cylinder body close to the top end is fixedly connected with a cold source inlet, the inner end of the cold source inlet is connected with the outer end of the spiral input pipe, the position of the outer wall of the cylinder body close to the bottom end is fixedly connected with a backflow port, the inner end of the backflow port is connected with the outer end of the spiral output pipe, the inner cavity of the cylinder body is provided with a plurality of vertical pipes along the axial direction, two ends of the vertical pipe are respectively and vertically connected with the spiral input pipe and the spiral output pipe, and the outer wall of the vertical pipe is respectively and fixedly connected with a fin along the axial direction; the problem of among the prior art nitrogen compressor's heat exchanger heat exchange efficiency low is solved.

Description

Heat exchanger of nitrogen compressor

Technical Field

The utility model relates to a compressor arrangement technical field specifically is a nitrogen compressor heat exchanger.

Background

The nitrogen compressor is a device for compressing and delivering dry nitrogen. The unit comprises various stages of gas coolers, inlet and outlet buffers, asynchronous motors, oil supply devices and the like besides a main machine. Dry nitrogen enters a compressor through a filter, the final pressure reaches the designated high pressure through multi-stage compression, and after each stage of compression, hot flow gas is cooled through a water-cooled shell-and-tube heat exchanger.

However, the heat exchanger widely used at present is difficult to uniformly cool the heat flow gas, and the heat exchange efficiency is not high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that nitrogen compressor's heat exchanger heat exchange efficiency is low among the solution prior art, designed a nitrogen compressor heat exchanger.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nitrogen compressor heat exchanger, includes the barrel, the barrel inner chamber be close to the top and the bottom position is provided with spiral input tube and spiral output tube respectively, spiral input tube and spiral output tube are the open spiral linear pipe in outer end respectively, the barrel outer wall be close to top fixedly connected with cold source entry, the inner end that the cold source enters the mouth with the outer end of spiral input tube is connected, the barrel outer wall be close to bottom position fixedly connected with backward flow port, the inner end of backward flow port with the outer end of spiral output tube is connected, the barrel inner chamber is provided with the perpendicular pipe of a plurality of along the axial, the both ends of perpendicular pipe respectively with spiral input tube and spiral output tube are connected perpendicularly, the outer wall of perpendicular pipe is respectively along axial fixedly connected with fin.

Preferably, the fins extend in the radial direction of the cylinder, respectively.

Preferably, the fins at the outer edge are fixedly connected with the inner wall of the cylinder respectively.

Preferably, the vertical pipe is made of carbon steel.

Preferably, the vertical pipe has an outer diameter equal to the outer diameter of the spiral inlet pipe and the spiral outlet pipe.

Preferably, the fin is made of stainless steel.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a heat exchanger can input the cold source to each vertical pipe through the spiral input tube in a balanced way, the cold source absorbs the heat through the pipe wall and the fin of the vertical pipe to the hot gas passing through the inner cavity of the cylinder, and the cold source absorbing the heat can be discharged through the spiral output pipe in time, thereby avoiding the problem that the cold source absorbing the heat flows back and forth in the cooling space to reduce the cooling efficiency; in addition, the fin divides the barrel inner chamber into a plurality of cooling channels that are parallel to each other to reach and carry out abundant, the even refrigerated effect to the thermal current gas.

Drawings

Fig. 1 is a schematic view of the overall overhead structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention.

In the figure: 1-a cylinder body; 2-a cold source inlet; 3-a return port; 4-a spiral input pipe; 5-spiral output pipe; 6-vertical tubes; 7-fins.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-2, the utility model provides a technical scheme, a nitrogen compressor heat exchanger, including barrel 1, the top and the bottom position of being close to of barrel 1 inner chamber are provided with spiral input tube 4 and spiral output tube 5 respectively, spiral input tube 4 and spiral output tube 5 are the open spiral linear pipe in outer end respectively, the fixedly connected with cold source entry 2 of the department near top of barrel 1 outer wall, the inner end that the cold source enters 2 is connected with spiral input tube 4's outer end, the bottom position fixedly connected with backward flow port 3 that is close to of barrel 1 outer wall, the inner end of backward flow port 3 is connected with spiral output tube 5's outer end, barrel 1 inner chamber is provided with the vertical pipe 6 of a plurality of along the axial, the both ends of vertical pipe 6 are connected with spiral input tube 4 and spiral output tube 5 are perpendicular respectively, the outer wall of vertical pipe 5 is connected with fin 7 along axial fixedly connected with respectively.

In the present embodiment, the fins 7 extend in the radial direction of the cylinder 1.

In this embodiment, the fins 7 at the outer edge are respectively fixedly connected to the inner wall of the cylinder 1.

In this embodiment, the vertical pipe 6 is made of carbon steel.

In this embodiment, the vertical pipe 6 has an outer diameter equal to the outer diameter of the spiral inlet pipe 4 and the spiral outlet pipe 5.

In this embodiment, the fin 7 is made of stainless steel.

The working principle is as follows: when in use, the cold source input pipeline is connected with the outer end of the cold source inlet 2, and the cold source return pipeline is connected with the outer end of the return port 3; connecting the top end of the cylinder body 1 with the input end of the heat flow gas; the hot flow gas flows from the top end to the bottom end of the cylinder body 1; during the period, the cold source enters the spiral input pipe 4 from the cold source inlet 2, then flows into the spiral output pipe 5 through each vertical pipe 6, and finally is discharged from the return port 3 through the cold source return pipeline; the cold source cools the hot fluid gas through the tube wall of the vertical tube 6 and the fins 7; fin 7, vertical pipe 6 constitute the skeleton texture, not only carry out the fixed stay to spiral input tube 4 and spiral output tube 5, and fin 7 divides into a plurality of cold district passageway with 1 inner chamber of barrel moreover to reach and carry out even, abundant refrigerated effect to the thermal current gas.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a nitrogen compressor heat exchanger, includes barrel (1), its characterized in that: a spiral input pipe (4) and a spiral output pipe (5) are respectively arranged at the positions close to the top end and the bottom end of the inner cavity of the cylinder body (1), the spiral input pipe (4) and the spiral output pipe (5) are respectively spiral linear circular pipes with the outer ends open, a cold source inlet (2) is fixedly connected to the outer wall of the cylinder body (1) near the top end, the inner end of the cold source inlet (2) is connected with the outer end of the spiral input pipe (4), a backflow port (3) is fixedly connected to the position, close to the bottom end, of the outer wall of the cylinder body (1), the inner end of the backflow port (3) is connected with the outer end of the spiral output pipe (5), a plurality of vertical pipes (6) are arranged in the inner cavity of the cylinder body (1) along the axial direction, two ends of the vertical pipe (6) are respectively and vertically connected with the spiral input pipe (4) and the spiral output pipe (5), the outer walls of the vertical tubes (6) are respectively and fixedly connected with fins (7) along the axial direction.

2. A nitrogen compressor heat exchanger as claimed in claim 1, wherein: the fins (7) extend along the radial direction of the cylinder (1) respectively.

3. A nitrogen compressor heat exchanger as claimed in claim 2, wherein: the fins (7) at the outer edge positions are respectively fixedly connected with the inner wall of the cylinder body (1).

4. A nitrogen compressor heat exchanger according to claim 3, wherein: the vertical pipe (6) is made of carbon steel.

5. A nitrogen compressor heat exchanger according to claim 4, wherein: the outer diameter of the vertical pipe (6) is equal to the outer diameter of the spiral input pipe (4) and the spiral output pipe (5).

6. A nitrogen compressor heat exchanger according to claim 5, wherein: the fins (7) are made of stainless steel.