CN218895691U - Coiled pipe type gas heat exchange tower - Google Patents

Abstract

The utility model provides a coiled pipe type gas heat exchange tower which comprises an outer tank body, wherein an inner tank body is arranged in the outer tank body, first air guide pipes are connected between the top surfaces and the bottom surfaces of the outer tank body and the inner tank body in a penetrating manner, air covers are fixed on two end surfaces of the outer tank body, second air guide pipes are connected to the outer wall of the air covers in a penetrating manner, heat exchange assemblies are arranged in the two air covers in a penetrating manner, the two groups of heat exchange assemblies are symmetrically arranged about the horizontal central line of the outer tank body, the heat exchange assemblies are provided with double-layer heat exchange structures, and the first-layer heat exchange structures of the heat exchange assemblies are arranged in the air covers. According to the utility model, the gas is introduced into the two gas hoods and the inner tank body, the heat exchange assembly passing through the two groups of double-layer heat exchange structures is combined with the serpentine heat exchange tube, and cold water is introduced into the combined structure to exchange heat for the gas, so that the heat exchange area is increased, the heat exchange length of the gas is fully prolonged, and the heat exchange effect of the gas is improved.

Description

Coiled pipe type gas heat exchange tower

Technical Field

The utility model relates to the technical field of chemical equipment, in particular to a coiled pipe type gas heat exchange tower.

Background

In industrial production, a large variety of chemical gases are generated, wherein most of the gases need to be conveyed for further reaction treatment or directly absorbed, but before treatment, if the gases carry more heat because of reaction, in order to ensure that the absorption of the gases after the reaction is stably carried out, the heat of the gases needs to be absorbed by a heat exchange tower until the temperature of the gases is reduced to be capable of being stably reacted or absorbed.

At present, in order to improve the effect of introducing gas into the heat exchange tower to exchange heat, a serpentine heat exchange tube is generally additionally arranged in the heat exchange tower to exchange heat the gas entering the heat exchange tower, but the serpentine heat exchange tube is arranged in the middle of the inside of the heat exchange tower and gradually extends from top to bottom;

when in heat exchange, hot gas is dispersed on the outer side of the serpentine heat exchange tube, but the temperature of the tower wall is higher than that of the serpentine heat exchange tube, so that the heat exchange amplitude of the gas flowing in the outer ring is insufficient, and the overall heat exchange of the gas is uneven; in the market, a cooling interlayer is arranged on the wall of the tower to make up the temperature difference between the inside and the outside, but cooling water at the cooling interlayer synchronously circulates along with cooling water in the serpentine heat exchange tube, so that the residence time of the cooling water at the cooling interlayer is insufficient, and the cooling performance is not fully utilized.

In summary, there is a need for a multi-zone heat exchange coil gas heat exchange tower.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a coiled pipe type gas heat exchange tower, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides a coil pipe type gas heat exchange tower, includes outer jar body, the inside inner tank body that is provided with of outer jar, all through-connection has first air duct between outer jar body and inner tank body top surface and the bottom surface, outer jar body two terminal surfaces all are fixed with the gas hood, gas hood outer wall through-connection has the second air duct, two the inside heat exchange component that all runs through of gas hood is provided with, two sets of heat exchange component sets up about outer jar body horizontal central line symmetry, heat exchange component is provided with bilayer heat exchange structure, heat exchange component's first layer heat exchange structure sets up inside the gas hood, and second floor heat exchange structure runs through and peg graft in the inner tank body inside, two sets of through-connection has the snakelike heat exchange pipe between heat exchange component's the second floor heat exchange structure.

Further, the heat exchange assembly comprises a water guide pipe, a water guide bucket and a heat guide pipe, wherein the water guide pipe is inserted into the air hood, the water guide bucket is connected with the bottom end of the water guide pipe in a penetrating way and forms a first layer of heat exchange structure, the bottom end of the water guide bucket is fixedly provided with a guide cylinder, the guide cylinder is inserted into the outer tank body, the bottom surface of the guide cylinder is attached to the end surface of the inner tank body, the bottom surface of the guide cylinder is connected with the heat guide pipe in a penetrating way and forms a second layer of heat exchange structure, the heat guide pipe is inserted into the inner tank body in a penetrating way, and one end of the heat guide pipe far away from the guide cylinder is a closed end.

Furthermore, the end part of the serpentine heat exchange tube is connected with the side wall of the heat conducting tube in a penetrating way, and the distance between the end part of the serpentine heat exchange tube and the guide tube is smaller than the distance between the end part of the serpentine heat exchange tube and the closed end of the heat conducting tube.

Further, the inside baffle that is fixed with of heat pipe, the baffle is L font and divide into transverse plate and vertical board, transverse plate perpendicular connection is in the heat pipe inner wall, transverse plate sets up in the top of snakelike heat exchange tube and heat pipe connection port, the bottom of vertical board sets up in the bottom of snakelike heat exchange tube and heat pipe connection port.

Further, a plurality of water outlet holes are formed in the side wall of the guide cylinder along the circumferential direction, the inner tank body is arranged in the outer tank body in a clearance fit mode, and the water outlet holes are communicated with gaps between the outer tank body and the inner tank body.

Further, heat exchange assembly still includes lantern ring, pneumatic rod, inner conduit and water retaining bucket, the inner conduit is pegged graft in the aqueduct is inside in the sliding, inner conduit bottom through connection has the water retaining bucket, the cooperation laminating of water retaining bucket is in the water guiding bucket inner wall, the water retaining bucket lateral wall is slided and is laminated in the guide cylinder inner wall, water retaining bucket bottom surface and apopore top parallel and level, the inner conduit outer wall is fixed with the slider, the aqueduct outer wall is equipped with the sliding connection outward, slider sliding connection is connected with the lantern ring in the sliding connection inside and run through the sliding connection, the lantern ring is slided and is cup jointed in the aqueduct outer wall, the lantern ring lateral wall is connected with the pneumatic rod along vertical direction lift, the pneumatic rod is connected in the gas hood top surface.

The utility model provides a coiled pipe type gas heat exchange tower. Compared with the prior art, the method has the following beneficial effects:

through the design from top to bottom first layer heat transfer structure, snakelike heat exchange tube and second floor heat transfer structure, can realize three-dimensional ascending multistage heat transfer, improve heat exchange efficiency, the cooling intermediate layer of cooperation outside again simultaneously can further improve heat transfer refrigeration effect.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a sectional view showing the internal structure of a coil-type gas heat exchange column of the present utility model;

FIG. 2 is a cross-sectional view showing the connection structure of the outer tank and the inner tank with the heat exchange assembly according to the present utility model;

FIG. 3 is a cross-sectional view showing the internal structure of the heat exchange assembly of the present utility model;

FIG. 4 is a cross-sectional view showing a communication structure of a cavity between a water guide bucket and an outer tank body and between the water guide bucket and an inner tank body;

FIG. 5 shows a top view of the inner tank top structure of the present utility model;

FIG. 6 is a cross-sectional view showing the connection structure of the heat transfer tube and the serpentine heat transfer tube of the present utility model;

the figure shows: 1. an outer can; 2. an inner tank; 3. a first air duct; 4. a gas hood; 5. a second air duct; 6. a heat exchange assembly; 61. a water conduit; 611. a sliding interface; 62. a water guide bucket; 621. a guide cylinder; 622. a water outlet hole; 63. a heat conduction pipe; 631. a partition plate; 64. a collar; 641. a slide block; 65. a pneumatic lever; 66. an inner catheter; 67. a water blocking bucket; 7. serpentine heat exchange tubes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

In order to solve the technical problems in the background technology, a coil pipe type gas heat exchange tower is provided as follows:

referring to fig. 1-6, the coiled pipe type gas heat exchange tower provided by the utility model comprises an outer tank body 1, wherein an inner tank body 2 is arranged in the outer tank body 1, first gas guide pipes 3 are connected between the top surfaces and the bottom surfaces of the outer tank body 1 and the inner tank body 2 in a penetrating manner, gas hoods 4 are fixed on two end surfaces of the outer tank body 1, second gas guide pipes 5 are connected on the outer wall of the gas hood 4 in a penetrating manner, heat exchange assemblies 6 are arranged in the two gas hoods 4 in a penetrating manner, two groups of heat exchange assemblies 6 are symmetrically arranged about the horizontal central line of the outer tank body 1, the heat exchange assemblies 6 are provided with double-layer heat exchange structures, a first-layer heat exchange structure of each heat exchange assembly 6 is arranged in the gas hood 4, the second-layer heat exchange structure is connected in the inner tank body 2 in a penetrating manner, and coiled heat exchange pipes 7 are connected between the second-layer heat exchange structures of the two groups of heat exchange assemblies 6 in a penetrating manner;

through the inside with gaseous leading-in two gas hoods 4 and inner tank body 2, combine with snakelike heat exchange tube 7 at the heat transfer module 6 through two sets of bilayer heat transfer structures to the inside cold water that leads in of the structure of combining carries out the heat transfer to gas, has not only increased the heat transfer region, has still fully prolonged the heat transfer length to gas, has improved the heat transfer effect to gas.

As an improvement of the above technical solution, the heat exchange assembly 6 includes a water conduit 61, a water conduit bucket 62 and a heat conducting pipe 63, the water conduit 61 is inserted into the air hood 4, the bottom end of the water conduit 61 is connected with the water conduit bucket 62 in a penetrating manner and forms a first layer heat exchange structure, the bottom end of the water conduit bucket 62 is fixed with a guide cylinder 621, the guide cylinder 621 is inserted into the outer tank 1, the bottom surface of the guide cylinder 621 is attached to the end surface of the inner tank 2, the bottom surface of the guide cylinder 621 is connected with the heat conducting pipe 63 in a penetrating manner and forms a second layer heat exchange structure, the heat conducting pipe 63 is inserted into the inner tank 2 in a penetrating manner, and one end of the heat conducting pipe 63 far away from the guide cylinder 621 is a closed end;

after the gas is led into the gas hood 4, the water in the water guide bucket 62 is utilized to conduct heat to the gas, and the contact area of the gas can be increased by the water guide bucket 62, so that the heat exchange effect of the first layer heat exchange structure on the gas is improved.

As an improvement of the above technical solution, the end of the serpentine heat exchange tube 7 is connected to the side wall of the heat conducting tube 63 in a penetrating way, and the distance between the end of the serpentine heat exchange tube 7 and the guide cylinder 621 is smaller than the distance between the end of the serpentine heat exchange tube 7 and the closed end of the heat conducting tube 63;

after the water is led into the heat conducting pipe 63, part of the water remains in the heat conducting pipe 63 to keep the heat exchange function on the center of the inner tank body 2, then part of the water enters the serpentine heat exchange pipe 7 to dissipate heat, and the heat exchange is carried out on the heat conducting pipe 63 by utilizing the retained cold water, so that the heat exchange effect of the heat conducting pipe 63 is ensured.

As an improvement of the above technical solution, the heat-conducting tube 63 is internally fixed with a partition plate 631, the partition plate 631 is L-shaped and is divided into a transverse plate and a vertical plate, the transverse plate is vertically connected to the inner wall of the heat-conducting tube 63, the transverse plate is disposed at the top of the connection port of the serpentine heat-exchanging tube 7 and the heat-conducting tube 63, and the bottom of the vertical plate is disposed at the bottom of the connection port of the serpentine heat-exchanging tube 7 and the heat-conducting tube 63;

after the cold water enters the heat conducting pipe 63, the partition plate 631 separates the cold water so that the water flow firstly moves towards the closed end of the heat conducting pipe 63 in the heat conducting pipe 63, then flows towards the connecting port of the serpentine heat exchange pipe 7 after being turned back by the partition plate 631, the flowing path of the cold water in the heat conducting pipe 63 is increased, and therefore the heat exchange effect of the cold water in the heat conducting pipe 63 on gas is improved.

Example two

As shown in fig. 2 and 3, on the basis of the above embodiment, the present embodiment further gives the following:

the side wall of the guide cylinder 621 is provided with a plurality of water outlet holes 622 along the circumferential direction, the inner tank 2 is arranged in the outer tank 1 in a clearance fit manner, and the water outlet holes 622 are communicated with the clearance between the outer tank 1 and the inner tank 2;

after the water passes through the inside of the guide cylinder 621, part of cold water can be dispersed and guided between the outer tank 1 and the inner tank 2, and heat exchange can be performed on the inside of the inner tank 2 by the outer wall of the inner tank 2, so that the heat exchange effect on gas is further improved.

As an improvement of the above technical solution, the heat exchange assembly 6 further includes a collar 64, a pneumatic rod 65, an inner conduit 66 and a water blocking bucket 67, the inner conduit 66 is slidably inserted into the water guiding tube 61, the bottom end of the inner conduit 66 is connected with the water blocking bucket 67 in a penetrating manner, the water blocking bucket 67 is matched and attached to the inner wall of the water guiding bucket 62, the side wall of the water blocking bucket 67 is slidably attached to the inner wall of the water guiding tube 621, the bottom surface of the water blocking bucket 67 is flush with the top end of the water outlet 622, a slide block 641 is fixed on the outer wall of the inner conduit 66, a sliding interface 611 is arranged outside the outer wall of the water guiding tube 61, the slide block 641 is slidably connected inside the sliding interface 611 and penetrates through the sliding interface 611 to be connected with the collar 64, the collar 64 is slidably sleeved on the outer wall of the water guiding tube 61, the side wall of the collar 64 is connected with the pneumatic rod 65 which is lifted along the vertical direction, and the pneumatic rod 65 is connected to the top surface of the air hood 4;

after the water is led into the gap between the outer tank 1 and the inner tank 2 through the guide cylinder 621, the inner guide pipe 66 is driven by the starting pneumatic rod 65 to move the water blocking bucket 67 downwards to seal the water outlet 622, so that the water can be kept in the gap for a long time, after continuously absorbing more heat in the inner tank 2, the water outlet 622 is opened again to replace the water with lower temperature, and the water utilization rate is improved.

The working principle and the using flow of the utility model are as follows:

firstly, according to fig. 1-5, a catalyst for heat exchange of gas is introduced into the inner tank 2, then cold water is introduced into the water guide bucket 62 through the water guide pipe 61, and after the cold water reaches the inside of the guide cylinder 621, the cold water is divided into two parts for heat exchange:

part of cold water enters the heat-conducting tube 63, flows downwards to the closed end of the heat-conducting tube 63 under the separation effect of the partition plate 631, flows around the partition plate 631 in a turn-back way and flows towards the interface end of the serpentine heat-exchanging tube 7, so that part of cold water remains in the heat-conducting tube 63, other cold water enters the serpentine heat-exchanging tube 7, enters the other heat-conducting tube 63 after passing through the serpentine heat-exchanging tube 7, and flows into the guide cylinder 621 in a turn-back way through the partition plate 631 in the other heat-conducting tube 63;

another part of the cold water enters between the gap of the outer tank 1 and the inner tank 2 through the water outlet 622 and then flows into the other guide cylinder 621;

the water flowing into the other guide cylinder 621 is collected in two parts and discharged through the other guide pipe 61;

then the gas needing heat exchange is led into the gas hood 4 through the first gas guide pipe 3 above, part of heat is transferred into cold water in the water guide bucket 62 in the gas hood 4, then the gas enters the inner tank 2 through the second gas guide pipe 5, the gas is catalyzed by the catalyst inside to absorb the heat, meanwhile, the gas transfers the heat to the serpentine heat exchange pipe 7 and the cold water in the two heat conduction pipes 63, then the heat is discharged into the gas hood 4 at the bottom from the first gas guide pipe 3 at the bottom of the inner tank 2, and finally the heat is discharged from the second gas guide pipe 5 of the gas hood 4 below;

when the gas transfers heat to the inner tank 2, under the condition of higher gas temperature, the water in the guide cylinder 621 continuously flows into the gap between the inner tank 2 and the outer tank 1, so that part of cold water continuously exchanges heat on the outer wall of the inner tank 2, and the heat exchange effect is ensured;

under the condition of lower gas temperature, the two groups of pneumatic rods 65 of the heat exchange assemblies 6 are started simultaneously, the sleeve ring 64 is pulled to slide on the outer wall of the water guide pipe 61, the sliding block 641 is enabled to slide on the sliding interface 611, the inner guide pipe 66 and the water retaining bucket 67 are driven to move downwards until the water retaining bucket 67 moves downwards to seal the water outlet 622, water in the gap between the outer tank 1 and the inner tank 2 stops flowing and remains in the gap, the retained cold water is utilized to continuously exchange heat for a period of time, the water retaining bucket 67 is moved again to open the water outlet 622, and water in the gap between the outer tank 1 and the inner tank 2 is replaced, so that the cold water flows away for replacement after the cold water fully absorbs heat, and the utilization rate of the heat absorbed by the cold water is improved.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. A coil pipe type gas heat exchange tower is characterized in that: including outer jar body (1), the inside interval of outer jar body (1) is provided with interior jar body (2), and interval zone between outer jar body (1), interior jar body (2) is the cooling intermediate layer, all through-connection has first air duct (3) between outer jar body (1) and interior jar body (2) top surface and the bottom surface, two terminal surfaces of outer jar body (1) all are fixed with gas hood (4), gas hood (4) outer wall through-connection has second air duct (5), two gas hood (4) are inside all to run through and are provided with heat exchange assembly (6), two sets of heat exchange assembly (6) are about outer jar body (1) horizontal central line symmetry setting, heat exchange assembly (6) are provided with double-deck heat transfer structure, heat exchange assembly (6) first layer heat transfer structure sets up inside gas hood (4), and second floor heat transfer structure runs through inside pegging graft in interior jar body (2), two sets of heat exchange assembly (6) second layer heat transfer structure between link up and be connected with heat pipe (7).

2. A coil gas heat exchange column according to claim 1, wherein: the heat exchange assembly (6) comprises a water guide pipe (61), a water guide bucket (62) and a heat conduction pipe (63), wherein the water guide pipe (61) is inserted into the air hood (4), the bottom end of the water guide pipe (61) is connected with the water guide bucket (62) in a penetrating way and forms a first layer of heat exchange structure, the bottom end of the water guide bucket (62) is fixedly provided with a guide cylinder (621), the guide cylinder (621) is inserted into the outer tank body (1), the bottom surface of the guide cylinder (621) is attached to the end surface of the inner tank body (2), the bottom surface of the guide cylinder (621) is connected with the heat conduction pipe (63) in a penetrating way and forms a second layer of heat exchange structure, and the heat conduction pipe (63) is inserted into the inner tank body (2) in a penetrating way and is far away from one end of the guide cylinder (621) to be a closed end.

3. A coil gas heat exchange column according to claim 2, wherein: the end part of the serpentine heat exchange tube (7) is connected with the side wall of the heat conducting tube (63) in a penetrating way, and the distance between the end part of the serpentine heat exchange tube (7) and the guide cylinder (621) is smaller than the distance between the end part of the serpentine heat exchange tube and the closed end of the heat conducting tube (63).

4. A coil gas heat exchange column according to claim 3, wherein: the heat conduction pipe (63) is internally fixed with a baffle (631), the baffle (631) is L-shaped and is divided into a transverse plate and a vertical plate, the transverse plate is vertically connected to the inner wall of the heat conduction pipe (63), the transverse plate is arranged at the top of a connection port of the serpentine heat exchange pipe (7) and the heat conduction pipe (63), and the bottom of the vertical plate is arranged at the bottom of the connection port of the serpentine heat exchange pipe (7) and the heat conduction pipe (63).

5. A coil gas heat exchange column according to claim 2, wherein: the side wall of the guide cylinder (621) is provided with a plurality of water outlet holes (622) along the circumferential direction, the inner tank body (2) is arranged inside the outer tank body (1) in a clearance fit manner, and the water outlet holes (622) are communicated with the clearance between the outer tank body (1) and the inner tank body (2).

6. A coil gas heat exchange column according to claim 5, wherein: the heat exchange assembly (6) further comprises a sleeve ring (64), a pneumatic rod (65), an inner guide pipe (66) and a water retaining bucket (67), the inner guide pipe (66) is connected inside the water guide pipe (61) in a sliding mode, the bottom end of the inner guide pipe (66) is connected with the water retaining bucket (67) in a penetrating mode, the water retaining bucket (67) is matched with and attached to the inner wall of the water guide bucket (62), the side wall of the water retaining bucket (67) is in sliding and attached to the inner wall of the guide cylinder (621), the bottom surface of the water retaining bucket (67) is flush with the top end of the water outlet hole (622), the outer wall of the inner guide pipe (66) is fixedly provided with a sliding block (641), the sliding interface (611) is arranged outside the outer wall of the water guide pipe (61), the sliding block (641) is connected with the sleeve ring (64) in a sliding mode, the side wall of the sleeve ring (64) is connected with the pneumatic rod (65) which ascends along the vertical direction, and the side wall of the sleeve ring (64) is connected to the top surface of the pneumatic rod (4).

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