CN217877224U

CN217877224U - Immersion type composite coil heat exchanger

Info

Publication number: CN217877224U
Application number: CN202222041881.4U
Authority: CN
Inventors: 江可申; 盛帅; 叶景; 王鑫
Original assignee: Jiangsu Jinnuo Chemical Equipment Co ltd
Current assignee: Jiangsu Jinnuo Chemical Equipment Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-11-22
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses an immersion type composite coil heat exchanger, which comprises a top plate and a deflection cylinder, wherein the top part of the deflection cylinder is welded with the top plate, the bottom part of the deflection cylinder is provided with a gap with a bottom plate, an outer heat exchange cavity is formed among the top plate, the deflection cylinder, an outer cylinder and the bottom plate, a first coil is fixed outside the deflection cylinder, one end of the first coil is hermetically communicated with one end of a communicating pipe, and the other end of the first coil passes through the outer cylinder and is hermetically communicated with a third connecting pipe; the top plate, the outer barrel and the bottom plate are welded to form a heat exchanger main body, the second connecting pipe is welded to the outer barrel and forms a communicating structure with the outer barrel, the inner barrel is welded to the bottom plate, a gap is reserved between the top of the inner barrel and the top plate, the bottom plate is further welded with a fourth connecting pipe, the fourth connecting pipe is communicated with the inner barrel, and an internal heat exchange cavity is formed between the inner barrel and the bottom plate. The utility model discloses the product is inside to adopt inner tube and the unique structural design of baffling section of thick bamboo, has constituted two parts in heat exchange chamber and outer heat exchange chamber, makes the fluid carry out more circulation in the heat exchanger, can fully carry out the heat transfer with the coil.

Description

Immersion type composite coil heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field, concretely relates to compound coil heat exchanger of immersive.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called as a heat exchanger. The heat exchanger is an energy-saving device for transferring heat between materials between two or more than two fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature to enable the temperature of the fluid to reach the index specified by the flow so as to meet the requirements of process conditions, and is also one of main devices for improving the energy utilization rate.

The existing coil pipe type heat exchange tower or heat exchanger has a single structure, and when heat exchange is carried out on internal fluid, the heat transfer effect is poor, so that the requirement of efficient production is not facilitated. In order to achieve better results, the equipment sometimes needs to be made large in size, so that the requirements are met on sites with small sites. After search, a coil heat exchanger which can rapidly exchange heat and has a small structure is still lacking.

Disclosure of Invention

Technical problem to be solved

In order to solve the problem that exists among the above-mentioned background art, the utility model relates to a can satisfy more efficient cooling coil heat exchanger, make by the fluid of heat exchange can be by the quick heat exchange of another kind of fluid, can reduce the dimensional requirement to coil heat exchanger, simultaneously, be convenient for clean and switch heat transfer fluid.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a compound coil heat exchanger of immersive which characterized in that: the heat exchanger comprises a top plate, a deflection cylinder, an outer cylinder, a first coil pipe, an inner cylinder, a communicating pipe, a bottom plate and a second coil pipe, wherein the top of the deflection cylinder is welded with the top plate, a gap is formed between the bottom of the deflection cylinder and the bottom plate, an external heat exchange cavity is formed among the top plate, the deflection cylinder, the outer cylinder and the bottom plate, the first coil pipe is fixed outside the deflection cylinder, one end of the first coil pipe is hermetically communicated with one end of the communicating pipe, and the other end of the first coil pipe penetrates through the outer cylinder to be hermetically communicated with a third connecting pipe;

the heat exchanger is characterized in that the top plate, the outer barrel and the bottom plate are welded to form a heat exchanger main body, the second connecting pipe is welded to the outer barrel and forms a communicating structure with the outer barrel, the inner barrel is welded to the bottom plate, a gap is reserved between the top of the inner barrel and the top plate, the bottom plate is further welded with a fourth connecting pipe, the fourth connecting pipe is communicated with the inner barrel, an internal heat exchange cavity is formed between the inner barrel and the bottom plate, a second coil pipe is arranged inside the inner barrel, one end of the second coil pipe penetrates through the top plate to be communicated with the first connecting pipe in a sealing mode, and the other end of the second coil pipe penetrates through the inner barrel to be communicated with the other end of the communicating pipe in a sealing mode.

As a preferable scheme of the previous step, a second liquid discharging pipe is arranged on the bottom plate at the lower end of the inner heat exchange cavity, a first liquid discharging pipe is arranged on the bottom plate at the lower end of the outer heat exchange cavity, and the two liquid discharging pipes are used for cleaning the inside of the heat exchanger or replacing liquid.

As a preferable scheme of the previous step, at least three foot supports are welded at the bottom of the bottom plate.

As a preferable scheme of the previous step, the top of the baffle cylinder is provided with an exhaust hole, and the exhaust hole is used for balancing the air pressure in the outer heat exchange cavity and the air pressure in the inner heat exchange cavity.

(III) advantageous effects

The utility model provides a compound coil heat exchanger of immersive possesses following beneficial effect:

1. the utility model discloses the product is inside to adopt inner tube and the unique structural design of baffling section of thick bamboo, has constituted two parts in heat exchange chamber and outer heat exchange chamber, makes the fluid carry out more circulation in the heat exchanger, can fully carry out the heat transfer with the coil.

2. The utility model discloses the first coil, the second coil of product are under communicating pipe effect, arrange interior heat exchange chamber and outer heat exchange chamber in respectively, but the abundant heat transfer.

3. The utility model discloses product baffling section of thick bamboo top is provided with the exhaust hole, and the inside atmospheric pressure of outer heat exchange chamber and interior heat exchange chamber of being convenient for balance guarantees better fluid heat transfer effect.

4. The utility model discloses heat exchange chamber lower extreme bottom plate is provided with the second casting pipe in the product, and outer heat exchange chamber lower extreme bottom plate is provided with first casting pipe, and two casting pipes are convenient for clean the inside or change liquid of heat exchanger.

5. The product of the utility model is simple in structure, and area is little, and the manufacturing and the popularization of being convenient for, the structure of two heat transfer chambeies and two sets of serpentine is established, has improved the slow problem of traditional heat exchange, has improved the efficiency of heat exchange.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a top half sectional view of the present invention;

FIG. 4 is a front sectional view of the present invention;

FIG. 5 is a view of the present invention taken from C-C of FIG. 4;

the device comprises a top plate 1, a top plate 2, a deflection cylinder 3, a first connecting pipe 4, a second connecting pipe 5, a third connecting pipe 6, an outer cylinder 7, a first coil pipe 8, an inner cylinder 9, a communicating pipe 10, a first liquid discharging pipe 11, a second liquid discharging pipe 12, a fourth connecting pipe 13, a bottom plate 14, a bottom support 15, an outer heat exchange cavity 16, an inner heat exchange cavity 17, a second coil pipe 18 and an exhaust hole.

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.

As shown in fig. 1-5, a top plate 1, an outer cylinder 6 and a bottom plate 13 are welded to form a heat exchanger main body, and a second connecting pipe 4 is welded on the outer cylinder 6 and is communicated with the inside; the fourth connecting pipe 12 is welded on the bottom plate 13 and communicated with the inside, the inner cylinder 8 is welded on the bottom plate 13, a gap is reserved between the top of the inner cylinder 8 and the top plate 1, so that fluid can flow conveniently, and an internal heat exchange cavity 16 is formed between the inner cylinder 8 and the bottom plate 13, so that heat exchange between the fluid and the second coil 17 is facilitated.

2 tops of baffling section of thick bamboo 2 and roof 1 welding, the bottom leaves the space with bottom plate 13, the fluid of being convenient for flows, also be convenient for install communicating pipe 9, roof 1, baffling section of thick bamboo 2, urceolus 6, constitute outer heat exchange chamber 15 between the bottom plate 13, be convenient for fluid and first coiler 7 carry out the heat exchange, 2 tops of baffling section of thick bamboo are provided with exhaust hole 18, be convenient for balance outer heat exchange chamber 15 and the 16 inside atmospheric pressure in interior heat exchange chamber, guarantee better fluid heat transfer effect.

A second coil 17 is arranged in the inner cylinder 8, one end of the second coil 17 penetrates through the top plate 1 to be communicated with the first connecting pipe 3 in a sealing way, and the other end penetrates through the inner cylinder 8 to be communicated with one end of the communicating pipe 9 in a sealing way; a first coil pipe 7 is fixed outside the deflection cylinder 2, one end of the first coil pipe 7 is hermetically communicated with the other end of the communicating pipe 9, and the other end of the first coil pipe passes through the outer cylinder 6 to be hermetically communicated with the third connecting pipe 5.

Fluid A enters the inner cylinder 8 from the end A1 of the fourth connecting pipe 12, the fluid A is filled in the inner heat exchange cavity 16 and carries out primary heat exchange with the second coil 17 along with the continuous rising of the liquid level, the fluid A is added upwards from the bottom end, then overflows from the top of the inner cylinder 8 to a position between the inner cylinder 8 and the baffling cylinder 2, the fluid flows out from the bottom of the baffling cylinder 2, enters the inner part of the outer heat exchange cavity 15 between the baffling cylinder 2 and the outer cylinder 6 and carries out secondary heat exchange with the first coil 7, and finally the fluid A flows out from the end A2 of the second connecting pipe 4 at the top of the outer heat exchange cavity 15.

The fluid B enters the second coil 17 from the end B1 of the first connecting pipe 3, carries out primary heat exchange with the fluid A in the inner heat exchange cavity 16, enters the first coil 7 from the communicating pipe 9, carries out secondary heat exchange with the fluid A in the outer heat exchange cavity 15, and finally flows out from the end B2 of the third connecting pipe 5.

The bottom welding of bottom plate 13 has footing support 14, and bottom plate 13 is provided with first casting tube 10, second casting tube 11, and first casting tube 10 sets up at outer heat exchange chamber 15 lower extreme, and heat exchange chamber 16 lower extreme including second casting tube 11 sets up, and two casting tubes are convenient for clean the inside or change liquid of heat exchanger.

The specific implementation process comprises the following steps:

1. the fluid A enters the inner barrel 8 from the end A1 of the fourth connecting pipe 12, and as the liquid level rises continuously, the fluid A fills the inner heat exchange cavity 16 and performs primary heat exchange with the second coil 17.

2. The fluid A is added from the bottom end upwards continuously, then overflows from the top of the inner cylinder 8 to a position between the inner cylinder 8 and the deflection cylinder 2, flows out from the bottom of the deflection cylinder 2, enters the inner part of an outer heat exchange cavity 15 between the deflection cylinder 2 and the outer cylinder 6, and carries out secondary heat exchange with the first coil pipe 7; finally, the fluid a flows out at the end A2 of the second connecting tube 4 at the top of the external heat exchange chamber 15.

3. The fluid B enters the second coil 17 from the end B1 of the first connecting pipe 3, and is subjected to primary heat exchange with the fluid A in the inner heat exchange chamber 16.

4. The fluid B enters the first coil 7 from the communicating pipe 9 again to exchange heat with the fluid a in the outer heat exchange chamber 15 again, and finally flows out from the end B2 of the third connecting pipe 5.

The design purpose is achieved.

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. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

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. To sum up, the utility model discloses reach anticipated purpose.

Claims

1. The utility model provides a compound coil heat exchanger of immersive which characterized in that: the baffle device comprises a top plate (1), a baffle cylinder (2), an outer cylinder (6), a first coil pipe (7), an inner cylinder (8), a communicating pipe (9), a bottom plate (13) and a second coil pipe (17), wherein the top of the baffle cylinder (2) is welded with the top plate (1), a gap is formed between the bottom of the baffle cylinder and the bottom plate (13), an external heat exchange cavity (15) is formed among the top plate (1), the baffle cylinder (2), the outer cylinder (6) and the bottom plate (13), the first coil pipe (7) is fixed outside the baffle cylinder (2), one end of the first coil pipe (7) is hermetically communicated with one end of the communicating pipe (9), and the other end of the first coil pipe (7) penetrates through the outer cylinder (6) to be hermetically communicated with a third connecting pipe (5);

the heat exchanger is characterized in that the top plate (1), the outer cylinder (6) and the bottom plate (13) are welded to form a heat exchanger body, the second connecting pipe (4) is welded to the outer cylinder (6) and forms a communicating structure with the outer cylinder (6), the bottom plate (13) is welded with the inner cylinder (8), a gap is reserved between the top of the inner cylinder (8) and the top plate (1), the bottom plate (13) is further welded with the fourth connecting pipe (12), the fourth connecting pipe (12) is communicated with the inner cylinder (8), an internal heat exchange cavity (16) is formed between the inner cylinder (8) and the bottom plate (13), a second coil pipe (17) is arranged inside the inner cylinder (8), one end of the second coil pipe (17) penetrates through the top plate (1) and is communicated with the first connecting pipe (3) in a sealing mode, and the other end of the second coil pipe (17) penetrates through the inner cylinder (8) and is communicated with the other end of the communicating pipe (9) in a sealing mode.

2. A submerged compound coil heat exchanger as claimed in claim 1, wherein: a second liquid discharging pipe (11) is arranged on a bottom plate (13) at the lower end of the inner heat exchange cavity (16), a first liquid discharging pipe (10) is arranged on the bottom plate (13) at the lower end of the outer heat exchange cavity (15), and the two liquid discharging pipes are used for cleaning the inside of the heat exchanger or replacing liquid.

3. A submerged compound coil heat exchanger according to claim 1 or 2, wherein: at least three foot supports (14) are welded at the bottom of the bottom plate (13).

4. A submerged compound coil heat exchanger as claimed in claim 1, wherein: the top of the baffling cylinder (2) is provided with an exhaust hole (18), and the exhaust hole (18) is used for balancing the air pressure in the outer heat exchange cavity (15) and the inner heat exchange cavity (16).