Inner fin type heat exchanger for oxygen heat exchanger

Abstract

The utility model provides an inner fin type heat exchanger for an oxygen heat exchanger, which relates to the technical field of heat exchangers and comprises a shell, and the inner surface of the shell is fixedly connected with a heat exchange component. The heat exchange assembly comprises a first partition plate and a second partition plate, and the first partition plate and the second partition plate are both fixedly connected to the inner surface of the shell; when the heat exchanger is used, the first partition plate and the second partition plate are welded and fixed to the inner surface of the shell, the detachable heat exchange pipes are arranged between the inner walls of the two partition plates, and the multiple inner fins are fixedly connected into the heat exchange pipes at equal intervals, so that the heat transfer coefficient in the pipes is increased, the length of the heat exchanger is shortened, and the heat exchange efficiency is improved; the heat exchange tubes are sealed through mutual abutting between the fixed ring blocks and the movable ring blocks, the multiple heat exchange tubes are fixed between the two partition plates in a detachable mode, the heat exchange tubes can be rapidly detached and replaced when replaced or cleaned, and the maintenance cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field especially relates to a oxygen heat exchanger is with inner fin heat exchanger. BACKGROUND

[0002] The heat exchanger is a kind of energy-saving equipment that heat is transferred between two or more than two fluids of different temperatures, is to pass heat from higher fluid to heat lower fluid, so that fluid temperature reaches the index of flow process regulation, to meet the needs of process technology conditions, also improve energy utilization rate Main equipment.

[0003] In prior art, the heat exchange pipe in heat exchanger is fixed in the shell by welding, when breaking or cleaning, the connection between the heat exchange pipe fixed by welding and the shell is tight, so that it is difficult to disassemble and replace, and the maintenance cost is high, therefore, a new type of oxygen heat exchanger with inner fin heat exchanger is needed. UTILITY MODEL CONTENT

[0004] The utility model mainly provides a kind of oxygen heat exchanger with inner fin heat exchanger, heat exchange pipe is disassembled conveniently, it is convenient to replace, reduce the oxygen heat exchanger with inner fin heat exchanger of maintenance cost.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of oxygen heat exchanger with inner fin heat exchanger, including shell, the inner surface of the shell is fixedly connected with heat exchange component;Heat exchange component, the heat exchange component includes first baffle and second baffle, the first baffle and second baffle are all fixedly connected on the inner surface of shell, multiple heat exchange pipes are evenly arranged between the inner surfaces of the first baffle and second baffle, the inner surfaces of multiple heat exchange pipes are all equidistantly fixedly connected with multiple inner fins, the inner surface of the second baffle is evenly fixedly connected with multiple fixed ring blocks, the inner surfaces of multiple fixed ring blocks are respectively threadedly connected with the outer surfaces of multiple heat exchange pipes, the outer surfaces of multiple heat exchange pipes are all provided with movable ring block, and the outer surfaces of multiple movable ring blocks are all threadedly connected with the inner surface of first baffle.

[0006] Preferably, the inner surface of the movable ring block is fixedly connected with inner ring block, the inner surfaces of the first baffle and second baffle are all attached to the outer surface of the heat exchange pipe, to facilitate the sealing pad arranged on the rear surface of the inner ring block and the inner surface of the fixed ring block respectively.

[0007] Preferably, the rear surface of the inner ring block is in contact with the front end surface of the heat exchange pipe, and the rear end surface of the heat exchange pipe is in contact with the inner surface of the fixed ring block, to facilitate the sealing pad arranged between the inner ring block and the fixed ring block on the two ends of the heat exchange pipe during installation, and the sealing pad is deformed and filled in the connecting gap to seal.

[0008] Preferably, the opposite faces of the first and second partitions are fixedly connected with a plurality of fixing rods at equal intervals, and a circular ring is fixedly connected between the outer surfaces of the plurality of fixing rods, the first and second partitions are connected with each other through the plurality of fixing rods, the support strength is increased, the circular ring fixedly connected between the outer surfaces of the plurality of fixing rods is attached to the inner side of the shell, and the supporting effect is achieved.

[0009] Preferably, the front end of the shell is provided with a first head outer cylinder, and the rear end of the shell is provided with a second head outer cylinder, so that the first head outer cylinder and the second head outer cylinder are fixedly connected at the front and rear ends of the shell respectively through a plurality of bolts for use.

[0010] Preferably, the front end face of the first head outer cylinder is fixedly connected with a third pipe head, and the rear end face of the second head outer cylinder is fixedly connected with a fourth pipe head, so that oxygen can enter the shell from the third pipe head, pass through the inner sides of the plurality of heat exchange pipes, and then flow out from the fourth pipe head for use.

[0011] Preferably, the outer surface of the shell is fixedly connected with a first pipe head, and the outer surface of the shell away from the first pipe head is fixedly connected with a second pipe head, so that liquid can flow into the shell from the first pipe head, and then flow out from the second pipe head after contacting the outer sides of the plurality of heat exchange pipes for use.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that,

[0013] 1、in the utility model, in use, the first partition and the second partition are fixedly connected with the inner surface of the shell through welding, the inner walls of the two partitions are both provided with detachable heat exchange pipes, a plurality of inner fins are fixedly connected in the heat exchange pipes at equal intervals, the heat transfer coefficient in the pipes is increased, the length of the heat exchanger is shortened, the heat exchange efficiency is improved, the heat exchange pipes are sealed between the fixed ring block and the movable ring block through mutual abutting, and the plurality of heat exchange pipes are fixed between the two partitions in the detachable mode, so that the heat exchange pipes can be quickly replaced and cleaned when the heat exchange pipes need to be replaced or cleaned, and the maintenance cost is low.

[0014] 2、in the utility model, in use, a plurality of fixing rods are fixedly connected between the first partition and the second partition at equal intervals, a circular ring is fixedly connected between the outer surfaces of the plurality of fixing rods, the outer surface of the circular ring is attached to the inner surface of the shell, the supporting effect is achieved, the overall strength is increased, and the deformation is not easy, and the practicability is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 a perspective view of the inner fin heat exchanger for the oxygen heat exchanger is provided for the utility model;

[0016] Figure 2 a partial structure schematic view of the inner fin heat exchanger for the oxygen heat exchanger is provided for the utility model;

[0017] Figure 3 The utility model provides a schematic structural diagram of a heat exchange component of an inner fin heat exchanger for an oxygen heat exchanger;

[0018] Figure 4 The utility model provides a schematic diagram of the heat exchange tube structure of an inner fin heat exchanger for an oxygen heat exchanger;

[0019] Figure 5 For this utility model Figure 4 Enlarged view of point A in the middle;

[0020] Figure 6 The utility model provides a schematic structural diagram of a fixed ring block of an inner fin heat exchanger for an oxygen heat exchanger.

[0021] Legend: 1. Shell; 2. Heat exchange assembly; 201. First partition; 202. Second partition; 203. Ring; 204. Heat exchange tube; 205. Fixed ring block; 206. Movable ring block; 207. Inner fin; 208. Inner ring block; 209. Fixed rod; 3. First head outer tube; 4. Second head outer tube; 5. First pipe head; 6. Second pipe head; 7. Third pipe head; 8. Fourth pipe head. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] See also Figures 1-6The utility model provides a technical scheme: an inner fin heat exchanger for oxygen heat exchanger, including the shell 1, the inner surface fixed connection of shell 1 has heat exchange subassembly 2, heat exchange subassembly 2, heat exchange subassembly 2 includes first baffle 201 and second baffle 202, and first baffle 201 and second baffle 202 are all fixedly connected in the inner surface of shell 1, and the inner surface between first baffle 201 and second baffle 202 evenly sets up multiple heat exchange tubes 204, and the inner surface of multiple heat exchange tubes 204 is all equidistant fixedly connected with multiple inner fins 207, and the inner surface of second baffle 202 is evenly fixedly connected with multiple fixed ring blocks 205, and the inner surface of multiple fixed ring blocks 205 is respectively with the outer surface of multiple heat exchange tubes 204 screw connection, and the outer surface of multiple heat exchange tubes 204 all sets up movable ring block 206, and the outer surface of multiple movable ring block 206 all is with the inner surface of first baffle 201 screw connection.

[0025] As Figure 5 The inner surface of movable ring block 206 is fixedly connected with inner ring block 208, the inner surface of first baffle 201 and second baffle 202 is all with the outer surface of heat exchange tube 204 and is pasted, and it is convenient to set up sealing pad on the rear surface of inner ring block 208 and the inner surface of fixed ring block 205 respectively.

[0026] As Figures 4-5 The rear surface of inner ring block 208 is in contact with the front end surface of heat exchange tube 204, and the rear end surface of heat exchange tube 204 is in contact with the inner surface of fixed ring block 205, which facilitates the installation of heat exchange tube 204 on the sealing pad arranged between the inner ring block 208 and the fixed ring block 205, and the sealing pad is deformed and filled in the connecting gap to seal.

[0027] As Figure 3 The opposite surfaces of first baffle 201 and second baffle 202 are equidistantly fixedly connected with multiple fixed rods 209, and the outer surfaces of multiple fixed rods 209 are fixedly connected with a circular ring 203, and first baffle 201 and second baffle 202 are connected with each other through multiple fixed rods 209, which increases the support strength, and the circular ring 203 fixedly connected between the outer surfaces of multiple fixed rods 209 is in contact with the inner side of shell 1, which plays a supporting role.

[0028] As Figure 1 The front end of shell 1 is provided with a first head outer cylinder 3, and the rear end of shell 1 is provided with a second head outer cylinder 4, which facilitates the use of the first head outer cylinder 3 and the second head outer cylinder 4 fixedly connected to the front and rear ends of shell 1 respectively through multiple bolts.

[0029] As Figure 1As shown, the front end face of the first head outer tube 3 is fixedly connected to the third pipe head 7, and the rear end face of the second head outer tube 4 is fixedly connected to the fourth pipe head 8, so that oxygen can enter the shell 1 from the third pipe head 7, pass through the inside of multiple heat exchange tubes 204, and then flow out from the fourth pipe head 8 for use.

[0030] like Figures 1-2 As shown, the outer surface of the shell 1 is fixedly connected to a first pipe head 5, and the outer surface of the shell 1 is fixedly connected to a second pipe head 6 away from the first pipe head 5, so that the liquid can flow from the first pipe head 5 into the shell 1 and, after contacting the outer sides of multiple heat exchange tubes 204, flow out from the second pipe head 6 for use.

[0031] The method of use and working principle of this device: When the oxygen heat exchanger is used with an inner fin heat exchanger, a first head outer tube 3 and a second head outer tube 4 are respectively provided at both ends of the shell 1, both of which can be fixedly connected by bolts, which is convenient for disassembly. A first partition 201 and a second partition 202 are respectively provided near the two ends of the inner side of the shell 1, and the outer surfaces of both are fixed to the inner surface of the shell 1 by welding. A plurality of heat exchange tubes 204 are evenly arranged between the inner surfaces of the two partitions, and a plurality of inner fins 207 are evenly fixedly connected inside the heat exchange tubes 204, which can increase the heat transfer coefficient in the tube, shorten the length of the heat exchanger, and improve the heat exchange efficiency. Among them, a plurality of fixing ring blocks 205 are evenly fixed and connected between the inner surfaces of the second partition 202, and a thread is provided on the inner side thereof, which is convenient for inserting the heat exchange tube 204 from the front to the back from the first partition 201. When inserted, one end of the heat exchange tube 204 will contact the surface of the sealing gasket provided on the inner side of the fixed ring block 205, and by rotating the heat exchange tube 204, its outer surface is threadedly connected to the inner surface of the fixed ring block 205 for fixation. The other end of the heat exchange tube 204 is provided with a movable ring block 206, which can be put on the other end of the heat exchange tube 204 and contact it through the inner ring block 208 fixedly connected to its inner surface. The rear surface of the inner ring block 208 is also provided with a sealing gasket. When the inner ring block 208 is rotated and threadedly connected to the first partition 201, the other end of the heat exchange tube 204 will tightly contact the sealing gasket provided on the surface of the inner ring block 208, which plays a sealing role. Multiple heat exchange tubes 204 are fixed between the two partitions in this detachable manner, which is convenient for quick replacement or cleaning of the heat exchange tube 204, and the maintenance cost is low.

[0032] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. An internal fin heat exchanger for an oxygen heat exchanger, comprising a housing (1), characterized in that: A heat exchange component (2) is fixedly connected to the inner surface of the shell (1); A heat exchange component (2), the heat exchange component (2) comprising a first partition (201) and a second partition (202), the first partition (201) and the second partition (202) being fixedly connected to the inner surface of the shell (1), a plurality of heat exchange tubes (204) being evenly arranged between the inner surfaces of the first partition (201) and the second partition (202), the inner surfaces of the plurality of heat exchange tubes (204) being evenly fixedly connected with a plurality of inner fins (207), the inner surface of the second partition (202) being evenly fixedly connected with a plurality of fixed ring blocks (205), the inner surfaces of the plurality of fixed ring blocks (205) being respectively threadedly connected to the outer surfaces of the plurality of heat exchange tubes (204), the outer surfaces of the plurality of heat exchange tubes (204) being provided with movable ring blocks (206), the outer surfaces of the plurality of movable ring blocks (206) being threadedly connected to the inner surface of the first partition (201).

2. The inner fin heat exchanger for oxygen heat exchanger according to claim 1, characterized in that: The inner surface of the movable ring block (206) is fixedly connected to the inner ring block (208), and the inner surfaces of the first partition plate (201) and the second partition plate (202) are both in contact with the outer surface of the heat exchange tube (204).

3. The inner fin heat exchanger for oxygen heat exchanger according to claim 2, characterized in that: The rear surface of the inner ring block (208) conflicts with the front end surface of the heat exchange tube (204), and the rear end surface of the heat exchange tube (204) conflicts with the inner surface of the fixed ring block (205).

4. The inner fin heat exchanger for oxygen heat exchanger according to claim 3, characterized in that: A plurality of fixing rods (209) are fixedly connected at equal intervals between the opposite surfaces of the first partition (201) and the second partition (202), and a circular ring (203) is fixedly connected between the outer surfaces of the plurality of fixing rods (209).

5. The inner fin heat exchanger for oxygen heat exchanger according to claim 4, characterized in that: A first end-sealed outer cylinder (3) is provided at the front end of the shell (1), and a second end-sealed outer cylinder (4) is provided at the rear end of the shell (1).

6. The inner fin heat exchanger for oxygen heat exchanger according to claim 5, characterized in that: The front end surface of the first end cover outer cylinder (3) is fixedly connected to a third pipe head (7), and the rear end surface of the second end cover outer cylinder (4) is fixedly connected to a fourth pipe head (8).

7. The inner fin heat exchanger for oxygen heat exchanger according to claim 6, characterized in that: The outer surface of the shell (1) is fixedly connected to a first pipe head (5), and the outer surface of the shell (1) is fixedly connected to a second pipe head (6) away from the first pipe head (5).

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