Multi-pass heat exchanger

Abstract

The utility model relates to the related technical field of heat exchangers, in particular to a multi-pass heat exchanger, a pipeline is arranged in a box body, and a mounting mechanism is arranged on one side of the surface of the box body. According to the multi-pass heat exchanger, through the arrangement of the mounting mechanism, a pull ring is pulled to drive a limiting block to move towards a movable groove through a connecting rod, a spring is subjected to compression deformation, when the limiting block is completely embedded into the movable groove, the box cover is placed on the surface of the box body at the moment, meanwhile, a sealing ring is embedded into a sealing groove, and a partition plate is embedded into an embedding groove; the clamping block is embedded in the clamping groove, meanwhile, the limiting groove and the movable groove are aligned in position, the acting force applied to the pull ring is loosened, at the moment, the spring which rebounds and deforms drives the limiting block to restore to the original position, at the moment, one end of the limiting block is embedded in the movable groove, and the other end of the limiting block is embedded in the limiting groove. And therefore, the clamping blocks are fixed in the clamping grooves through the limiting blocks, and the box cover is fixed to the surface of the box body.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger related technical field especially relates to a kind of multi-pass heat exchanger. BACKGROUND

[0002] Heat exchanger is the equipment that the partial heat of hot fluid is transmitted to cold fluid, also called heat exchanger, is widely applied, multi-pass heat exchanger is usually constituted by tube bundle, tube sheet, shell and other main components, tube bundle is composed of multiple heat exchange tubes, and is the core part of heat exchange, tube sheet is used to fix tube bundle, and it is separated into different tube passes, shell is surrounded by tube bundle, forms shell pass, multi-pass heat exchanger is widely applied in chemical industry, petroleum, electric power, heating ventilation air conditioning and many other fields, therefore, especially need a kind of multi-pass heat exchanger.

[0003] But the existing multi-pass heat exchanger, when installing shell in use process, is often fixed by welding or multiple bolts, when internal pipeline has problem and needs to be overhauled, it is more difficult and cumbersome to disassemble and assemble, affect overhauling progress, thereby affect its work efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of multi-pass heat exchanger to solve the problem that the existing multi-pass heat exchanger in the above background art is often fixed by welding or multiple bolts when installing shell in use process, when internal pipeline has problem and needs to be overhauled, it is more difficult and cumbersome to disassemble and assemble, affect overhauling progress, thereby affect its work efficiency.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of multi-pass heat exchanger, including box and installation mechanism, the inside fixedly connected with baffle of the box, the inside of the box is provided with pipe, the surface one side of the box is sealedly connected with first inlet, the surface other side of the box is sealedly connected with first outlet, the bottom of the box is sealedly connected with second outlet, the bottom of the box is sealedly connected with second inlet, the surface one side of the box is installed with box cover, the surface one side of the box is provided with installation mechanism;

[0006] The mounting mechanism comprises a sealing groove, a movable groove, a clamping groove, a clamping block, a fitting groove, a sealing ring, a limiting block, a connecting rod, a spring, a pull ring, a limiting groove and a sealing strip, the surface of the box is provided with the sealing groove, the inside of the box is provided with the movable groove, the surface of the box is provided with the clamping groove, the bottom of the box cover is fixedly connected with the clamping block, the bottom surface of the box cover is provided with the fitting groove, the bottom surface of the box cover is adhesively connected with the sealing ring, the inside of the movable groove is fitted with the limiting block, one end of the limiting block is fixedly connected with the connecting rod, the surface of the connecting rod is sleeved with the spring, one end of the connecting rod is fixedly connected with the pull ring, and the surface of the clamping block is provided with the limiting groove.

[0007] Preferably, the baffles are staggered, and the pipeline is a serpentine pipe.

[0008] Preferably, one end of the pipeline is sealingly connected with the second outlet, and the other end of the pipeline is sealingly connected with the second inlet.

[0009] Preferably, the movable groove is in communication with the clamping groove, the size of the clamping block is consistent with that of the clamping groove, and the clamping block is aligned with the clamping groove.

[0010] Preferably, the sealing ring is fitted in the inside of the sealing groove, and one end of the limiting block is fitted in the inside of the limiting groove.

[0011] Preferably, the spring is arranged in the inside of the movable groove, one end of the spring is fixedly connected with the box, and the other end of the spring is fixedly connected with the limiting block.

[0012] Preferably, the fitting groove is aligned with the baffle, and the top of the baffle is fitted in the inside of the fitting groove.

[0013] Compared with the prior art, the multi-pass heat exchanger has the advantages that when the box cover is installed and dismounted, only the pull ring needs to be pulled to control the position of the limiting block, so that the installation and dismounting of the box cover can be realized, the operation is convenient and fast, the maintenance progress is improved, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a side view appearance structure schematic view of the utility model;

[0015] Figure 2 It is a box and baffle mutual cooperation structure schematic view of the utility model;

[0016] Figure 3 It is a mounting mechanism cross section structure schematic view of the utility model;

[0017] Figure 4 It is a box cover and clamping block mutual cooperation structure schematic view of the utility model;

[0018] Figure 5 For the utility model Figure 3 The enlarged structure schematic view of A in the middle.

[0019] In the figure: 1, box body; 2, partition; 3, pipeline; 4, first inlet; 5, first outlet; 6, second outlet; 7, second inlet; 8, box cover; 9, mounting mechanism; 901, sealing groove; 902, movable groove; 903, clamping groove; 904, clamping block; 905, fitting groove; 906, sealing ring; 907, limiting block; 908, connecting rod; 909, spring; 910, pull ring; 911, limiting groove; 912, sealing strip. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a multi-pass heat exchanger, including box body 1 and mounting mechanism 9, the inside fixedly connected with partition 2 of box body 1, the inside of box body 1 is provided with pipeline 3, the surface one side of box body 1 is sealingly connected with first inlet 4, the surface other side of box body 1 is sealingly connected with first outlet 5, the bottom of box body 1 is sealingly connected with second outlet 6, the bottom of box body 1 is sealingly connected with second inlet 7, the surface one side of box body 1 is provided with box cover 8, the surface one side of box body 1 is provided with mounting mechanism 9;

[0022] The mounting mechanism 9 comprises a sealing groove 901, a movable groove 902, a clamping groove 903, a clamping block 904, a fitting groove 905, a sealing ring 906, a limiting block 907, a connecting rod 908, a spring 909, a pull ring 910, a limiting groove 911 and a sealing strip 912, the surface of the box body 1 is provided with the sealing groove 901, the inside of the box body 1 is provided with the movable groove 902, the surface of the box body 1 is provided with the clamping groove 903, the bottom of the box cover 8 is fixedly connected with the clamping block 904, the bottom surface of the box cover 8 is provided with the fitting groove 905, the bottom surface of the box cover 8 is adhesively connected with the sealing ring 906, the inside of the movable groove 902 is fitted with the limiting block 907, one end of the limiting block 907 is fixedly connected with the connecting rod 908, the surface of the connecting rod 908 is sleeved with the spring 909, one end of the connecting rod 908 is fixedly connected with the pull ring 910, one side of the surface of the clamping block 904 is provided with the limiting groove 911, the inside of the fitting groove 905 is provided with the sealing strip 912, through the sealing groove 901, the movable groove 902, the clamping groove 903, the clamping block 904, the fitting groove 905, the sealing ring 906, the limiting block 907, the connecting rod 908, the spring 909, the pull ring 910, the limiting groove 911 and the sealing strip 912, when in use, the pull ring 910 is pulled, at this time, the pull ring 910 drives the limiting block 907 to move to the movable groove 902 through the connecting rod 908, the limiting block 907 extrudes the spring 909 so that the spring 909 is compressed and deformed, when the limiting block 907 is completely fitted in the inside of the movable groove 902, at this time, the box cover 8 is placed on the surface of the box body 1, at the same time, the sealing ring 906 is fitted in the inside of the sealing groove 901, the partition plate 2 is fitted in the inside of the fitting groove 905, the clamping block 904 is fitted in the inside of the clamping groove 903, at the same time, the limiting groove 911 is aligned with the movable groove 902, the force applied on the pull ring 910 is released, at this time, the spring 909 is elastically deformed, the spring 909 drives the limiting block 907 to return to the original position, at this time, one end of the limiting block 907 is fitted in the inside of the movable groove 902, the other end is fitted in the inside of the limiting groove 911, so that the limiting block 907 fixes the clamping block 904 in the inside of the clamping groove 903, so that the box cover 8 is fixed on the surface of the box body 1, at this time, the sealing ring 906 and the sealing strip 912 can make the box cover 8 and the box body 1 in a sealed state.

[0023] Further, the partition plate 2 is staggered, and the pipeline 3 is a serpentine pipe, through the arrangement of the partition plate 2, in use, because the partition plate 2 is staggered, so that the partition plate 2 and the box body 1 can form a serpentine channel.

[0024] Further, one end of the pipeline 3 is sealingly connected with the second outlet 6, the other end of the pipeline 3 is sealingly connected with the second inlet 7, through the arrangement of the pipeline 3, in use, because the pipeline 3 is a serpentine pipe, so that the fluid in it can be exchanged for a long distance.

[0025] Further, the movable slot 902 is communicated with the clamping slot 903, the clamping block 904 is matched with the size of the clamping slot 903, the clamping block 904 is aligned with the clamping slot 903, through the setting of the movable slot 902, the movable slot 902 can provide the movable space for the spring 909 and the limiting block 907.

[0026] Further, the sealing ring 906 is embedded in the inside of the sealing slot 901, one end of the limiting block 907 is embedded in the inside of the limiting slot 911, through the setting of the sealing ring 906, in use, the sealing ring 906 embedded in the inside of the sealing slot 901 can make the box cover 8 and the box body 1 form the sealing state.

[0027] Further, the spring 909 is arranged in the inside of the movable slot 902, one end of the spring 909 is fixedly connected with the box body 1, the other end of the spring 909 is fixedly connected with the limiting block 907, through the setting of the spring 909, in use, the spring 909 rebounding deformation can drive the limiting block 907 to restore to the original position, thereby driving one end of the limiting block 907 to be embedded in the inside of the limiting slot 911.

[0028] Further, the embedded slot 905 is aligned with the partition plate 2, the top of the partition plate 2 is embedded in the inside of the embedded slot 905, through the setting of the embedded slot 905, in use, the embedded slot 905 is aligned with the partition plate 2 while the sealing strip 912 is embedded in the inside of the embedded slot 905, thereby the partition plate 2 and the box cover 8 can be in the sealing state.

[0029] Working principle: pull the pull ring 910, the pull ring 910 moves the limiting block 907 to the movable groove 902 through the connecting rod 908, the limiting block 907 extrudes the spring 909 so that the spring 909 is compressed, when the limiting block 907 is completely embedded in the inside of the movable groove 902, at this time the box cover 8 is placed on the surface of the box body 1, at the same time the sealing ring 906 is embedded in the inside of the sealing groove 901, the partition plate 2 is embedded in the embedded groove 905, the clamping block 904 is embedded in the clamping groove 903, at the same time the limiting groove 911 is aligned with the movable groove 902, loosen the force applied on the pull ring 910, at this time the spring 909 is deformed, the spring 909 drives the limiting block 907 to restore to the original position, at this time one end of the limiting block 907 is embedded in the inside of the movable groove 902, the other end is embedded in the inside of the limiting groove 911, so that the limiting block 907 fixes the clamping block 904 in the clamping groove 903, so as to fix the box cover 8 on the surface of the box body 1, at this time the sealing ring 906 and the sealing strip 912 can make the box cover 8 and the box body 1 in a sealed state, then the hot fluid flows into the inside of the pipeline 3 through the second inlet 7, the cold fluid flows into the channel formed between the partition plates 2 in the box body 1 through the first inlet 4, then the hot fluid flows in the pipeline 3 flows out from the second outlet 6, the cold fluid flows between the partition plates 2 in the box body 1 flows out from the first outlet 5, so that the hot fluid and the cold fluid exchange heat in the inside of the box body 1.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A multi-pass heat exchanger comprising a housing (1) and a mounting mechanism (9), characterised in that: The inside of the box (1) is fixedly connected with a partition (2), the inside of the box (1) is provided with a pipeline (3), the surface of the box (1) is sealed on one side of the first inlet (4), the surface of the box (1) is sealed on the other side of the first outlet (5), the bottom of the box (1) is sealed with the second outlet (6), the bottom of the box (1) is sealed with the second inlet (7), the surface of the box (1) is provided with a box cover (8), the surface of the box (1) is provided with a mounting mechanism (9); The mounting mechanism (9) includes a sealing groove (901), a movable groove (902), a clamping groove (903), a clamping block (904), a fitting groove (905), a sealing ring (906), a limiting block (907), a connecting rod (908), a spring (909), a pull ring (910), a limiting groove (911) and a sealing strip (912), the surface of the box (1) is provided with a sealing groove (901), the inside of the box (1) is provided with a movable groove (902), the surface of the box (1) is provided with a clamping groove (903), the bottom of the box cover (8) is fixedly connected with a clamping block (904), the bottom surface of the box cover (8) is provided with a fitting groove (905), the bottom surface of the box cover (8) is adhesively connected with a sealing ring (906), the inside of the movable groove (902) is fitted with a limiting block (907), one end of the limiting block (907) is fixedly connected with a connecting rod (908), the surface of the connecting rod (908) is sleeved with a spring (909), one end of the connecting rod (908) is fixedly connected with a pull ring (910), the surface of the clamping block (904) is provided with a limiting groove (911), the inside of the fitting groove (905) is provided with a sealing strip (912).

2. A multi-pass heat exchanger according to claim 1, wherein: The partition (2) is staggered, and the pipeline (3) is a serpentine pipe.

3. A multi-pass heat exchanger according to claim 1, wherein: One end of the pipeline (3) is sealingly connected with the second outlet (6), and the other end of the pipeline (3) is sealingly connected with the second inlet (7).

4. A multi-pass heat exchanger according to claim 1, wherein: The movable groove (902) is in communication with the clamping groove (903), the size of the clamping block (904) is matched with the clamping groove (903), and the clamping block (904) is aligned with the clamping groove (903).

5. A multi-pass heat exchanger as claimed in claim 1, wherein: The sealing ring (906) is fitted in the inside of the sealing groove (901), and one end of the limiting block (907) is fitted in the inside of the limiting groove (911).

6. A multi-pass heat exchanger according to claim 1, wherein: The spring (909) is arranged in the inside of the movable groove (902), one end of the spring (909) is fixedly connected with the box (1), and the other end of the spring (909) is fixedly connected with the limiting block (907).

7. A multi-pass heat exchanger as claimed in claim 1, wherein: The fitting groove (905) is aligned with the partition (2), and the top of the partition (2) is fitted in the inside of the fitting groove (905).

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