CN210569384U - Heat exchange structure and evaporative condenser with same - Google Patents

Abstract

The utility model provides a heat transfer structure and have its evaporative condenser, this heat transfer structure includes board and heat exchange tube, and the board divide into first plate body and second plate body, all is formed with a plurality of die structures on first plate body and second plate body, and the die structure butt joint cooperation of first plate body and second plate body forms a plurality of tubulose spaces, and the heat exchange tube alternates in the tubulose space. The utility model discloses a set up the die structure on the board, place the heat exchange tube interlude in the tubulose space that forms between two plate bodys for the heat exchanger is showing the improvement at the dull and stereotyped heat exchange tube bearing capacity of during operation plate heat exchanger, compares tubular heat exchanger simultaneously, and the contact area of built-in tubular structure of inboard and shower water has improved, and is difficult for forming the dry spot, can show promotion heat exchange efficiency.

Description

Heat exchange structure and evaporative condenser with same

Technical Field

The utility model relates to a heat transfer field, concretely relates to heat transfer structure and have its evaporative condenser.

Background

The evaporative condenser is a high-efficiency heat exchange device and is formed by combining a fan, a coil pipe, heat exchange fins, a box body and the like. The evaporative condenser uses water and air as cooling media to exchange heat with high-temperature gaseous refrigerant in the coil pipe, and the refrigerant is condensed into liquid from gaseous state.

At present, evaporation condensers in the industry mainly use tube type heat exchangers and plate type heat exchangers. The tubular heat exchanger is generally made of a seamed steel pipe material, and because the pressure bearing capacity of a welded part is weaker than that of a main body steel pipe material, the seamed steel pipe is easy to damage at the welded part due to high air pressure to cause the leakage of a refrigerating medium. Meanwhile, the circular or elliptical tube structure of the tubular heat exchanger is easy to have dry spots when being cooled by water flow of the spraying device, and the refrigeration efficiency is influenced. Plate heat exchangers generally use double-layer metal plates which are identical in geometric structure and arranged in parallel, irregular refrigerant circulation channels can be formed in the double-layer metal plates, but the problem that heat exchange efficiency is uncontrollable, welding spots fall off when refrigerant circulates, and refrigeration effect is reduced is caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an improve tubular heat exchanger refrigeration efficiency, solve the problem that solder joint became invalid under the high pressure, solve plate heat exchanger simultaneously and drop and the heat transfer structure of the uncontrollable problem of refrigeration effect because of the solder joint that the high pressure shearing force arouses. The method specifically comprises the following steps:

the utility model provides a heat exchange structure, including board and heat exchange tube, the board divide into first plate body and second plate body, all is formed with a plurality of die structures on first plate body and second plate body, and the die structure butt joint cooperation of first plate body and second plate body forms a plurality of tubulose spaces, and the heat exchange tube alternates in the tubulose space.

Preferably, the first plate body and the second plate body are welded into a whole along the direction of the heat exchange tube.

It is further preferred that the first plate body and the second plate body are welded to each other in the direction of the heat exchange tube on both sides of each tubular space.

Preferably, the first plate body and the second plate body are both metal plates, and the female die structure formed on the plates is formed by stamping.

It is further preferred that the shape of the tubular space is adapted to the heat exchange tube.

It is further preferable that the inner peripheral surface of the tubular space and the outer peripheral surface of the heat exchanger are fitted together.

It is further preferred that the heat exchange tube is integral or segmented.

The utility model also provides an evaporative condenser, it has the aforesaid heat transfer structure.

The utility model discloses a set up the die structure on the board, place the heat exchange tube interlude in the tubulose space that forms between two plate bodys for the heat exchanger is showing the improvement at the dull and stereotyped heat exchange tube bearing capacity of during operation plate heat exchanger, compares tubular heat exchanger simultaneously, and the contact area of built-in tubular structure of inboard and shower water has improved, and is difficult for forming the dry spot, can show promotion heat exchange efficiency.

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely some embodiments of the present disclosure, and other drawings may be derived from those drawings by those of ordinary skill in the art without inventive effort.

Fig. 1 is an overall schematic view of a heat exchange structure according to embodiment 1 of the present invention;

fig. 2 is a schematic side view of a heat exchange structure according to embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of an evaporative condenser according to embodiment 3 of the present invention;

in the figure:

1-air outlet, 2-fan, 3-water baffle, 4-spray nozzle, 5-circulating pipe, 6-water pump, 7-air inlet, 8-water tray, 9-heat exchange structure, 10-first plate, 11-second plate, 12-heat exchange pipe

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two, but does not exclude the presence of at least one.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

The utility model discloses a set up the die structure on the board, place the heat exchange tube interlude in the tubulose space that forms between two plate bodys for the heat exchange tube bears great pressure, the heat exchange efficiency of improvement heat exchanger that can be better, and can not form the solder joint, avoids the damage to the solder joint in the high pressure refrigerant motion process, provides better heat transfer effect. For better explanation of the present invention, the following embodiments are described by taking the application of the heat exchange structure in the evaporative condenser as an example.

Example 1:

this embodiment provides a heat exchange structure, including board and heat exchange tube 12, the board divide into first plate body 10 and second plate body 11, all be formed with a plurality of die structures on first plate body 10 and second plate body 11, the die structure butt joint cooperation of first plate body 10 and second plate body 11 forms a plurality of tubulose spaces, heat exchange tube 12 alternates in tubulose space, make heat exchange tube 12 no longer need weld, also can not produce the solder joint, the damage of coolant medium butt weld point department when flowing has been avoided.

Preferably, the first plate body 10 and the second plate body 11 are welded into a whole along the direction of the heat exchange tube 12, so that the heat exchange tube 12 is prevented from shaking during movement of a cooling medium after installation, the first plate body 10 and the second plate body 11 are metal plates, a concave die structure formed on the plates is formed by stamping, and the structure of the groove can be preset according to the shape and the size of the heat exchange tube 12.

Preferably, the first plate body 10 and the second plate body 11 are welded to each other at two sides of each tubular space, so that the heat exchange tubes 12 are fixed in the plate bodies, and the phenomenon that the heat exchange tubes 12 shake during operation due to pores is avoided.

Preferably, the shape of the tubular space is matched with that of the heat exchange tube 12, and the inner peripheral surface of the tubular space is attached to the outer peripheral surface of the heat exchanger, so that the heat exchange tube 12 can be in seamless fit with the tubular space, and pores are avoided.

Preferably, the heat exchange tubes 12 are integral and can be directly mounted in the plate body, and alternatively, the heat exchange tubes 12 are segmented to facilitate detachable placement in the plate body space.

The heat exchange structure provided by the embodiment places the heat exchange tube 12 in the tubular space formed between the two plate bodies in an inserting manner, so that welding spots are not generated, a better heat exchange effect is provided, and the service life of the heat exchange structure is prolonged.

Example 2:

the embodiment further provides an evaporative condenser using the heat exchange structure in embodiment 1, which includes an air outlet 1, a fan 2, a water baffle 3, a spray nozzle 4, a circulation pipe 5, a water pump 6, an air inlet 7, a water tray 8, a heat exchange structure 9, a first plate 10, a second plate 11, and a heat exchange pipe 12. Wherein, a water tray 8 is arranged at the bottom of the cooling tower; the spray nozzles 4 are communicated with a water tray 8 through a circulating pipe 5 and are uniformly distributed; a water pump 6 is arranged in the circulating pipe 5; air inlets 7 are arranged at the bottoms of the left side surface and the right side surface of the cooling tower; the heat exchange structure 9 is arranged at the lower part of the spray nozzle 4, the upper end of the heat exchange structure is provided with a refrigerating medium inlet, and the lower end of the heat exchange structure is provided with a refrigerating medium outlet; a water baffle 3 is arranged on the spray nozzle 4; the fan 2 is fixed on the water baffle 3; an air outlet 1 is arranged at the top of the cooling tower.

The heat exchange structure in this embodiment has already been described in embodiment 1, and is not described herein again.

To sum up, the utility model discloses a set up the die structure on the board, place the heat exchange tube interlude in the tubulose space that forms between two plate bodys for the heat exchanger is compared plate heat exchanger at the heat exchange tube pressure-bearing capacity of during operation flat board and is showing the improvement, compares tubular heat exchanger simultaneously, and the contact area of built-in tubular structure of inboard and shower water has improved, and is difficult for forming the dry spot, can show and promote heat exchange efficiency.

Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (8)

1. A heat exchange structure comprising a plate and a heat exchange tube (12), characterized in that: the plate is divided into a first plate body (10) and a second plate body (11), a plurality of female die structures are formed on the first plate body (10) and the second plate body (11), the female die structures of the first plate body (10) and the second plate body (11) are in butt joint fit to form a plurality of tubular spaces, and the heat exchange tubes (12) are inserted in the tubular spaces.

2. The heat exchange structure of claim 1, wherein: the first plate body (10) and the second plate body (11) are welded into a whole along the trend of the heat exchange tube (12).

3. The heat exchange structure of claim 2, wherein: the first plate body (10) and the second plate body (11) are welded on two sides of each tubular space in the direction of the heat exchange tube (12).

4. The heat exchange structure of claim 1, wherein: the first plate body (10) and the second plate body (11) are both metal plates, and a female die structure formed on the plates is formed through stamping.

5. The heat exchange structure of claim 4, wherein: the shape of the tubular space is adapted to the heat exchange tube (12).

6. The heat exchange structure of claim 5, wherein: the inner peripheral surface of the tubular space and the outer peripheral surface of the heat exchanger are attached together.

7. The heat exchange structure of any one of claims 1 to 6, wherein: the heat exchange tube (12) is integral or sectional.

8. An evaporative condenser, characterized by: having a heat exchange structure according to any one of claims 1 to 7.

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