CN210861828U

CN210861828U - Air cooling condensation heat exchanger

Info

Publication number: CN210861828U
Application number: CN201921518392.5U
Authority: CN
Inventors: 宁静红
Original assignee: Tianjin University of Commerce
Current assignee: Tianjin University of Commerce
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-26
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses an air-cooled condensing heat exchanger, which comprises a heat exchange assembly which is arranged in an outer frame and driven by a motor to rotate, wherein the heat exchange assembly comprises at least one annular heat exchange cylinder with two closed ends; the bottom of the heat exchange cylinder is connected with the liquid discharge pipe and the exhaust pipe, the upper end of the heat exchange cylinder is fixed with the heat exchange cylinder support, the motor is installed on the motor support and connected with the heat exchange cylinder support to drive the heat exchange cylinder support to rotate, and the motor support is welded to the top of the outer frame. The utility model discloses it is rotatory to utilize the motor to drive the annular channel heat transfer section of thick bamboo, and under the centrifugal force effect, liquid in the heat transfer section of thick bamboo is attached to on the inner wall of heat transfer section of thick bamboo, and gravity action flows to heat transfer section of thick bamboo bottom, draws forth through the fluid-discharge tube, and simultaneously, the disturbance of air is flowed in the increase of rotatory heat transfer section of thick bamboo, strengthens the interior refrigerant of heat transfer section of thick bamboo and the outer air heat transfer effect of section of thick bamboo, improves the refrigerating.

Description

Air cooling condensation heat exchanger

Technical Field

The utility model relates to a refrigeration air conditioner field, concretely relates to with air cooling condensation heat exchanger.

Background

Air cooling type condenser, the wide application is in the refrigerating system in refrigeration air conditioning field, the gaseous entering condenser of high temperature high pressure of refrigeration compressor exhaust, the refrigerant is with the exothermic condensation of the air heat exchange outside the heat transfer section of thick bamboo, the liquid that condenses occupies heat transfer section of thick bamboo space, or gather on heat transfer section of thick bamboo surface, make the surface of heat transfer section of thick bamboo can not fully exchange heat with the air outside the section of thick bamboo, lead to the heat transfer performance of condenser to descend, the condensation temperature is established and is rised, the pressure ratio increase of refrigeration compressor, refrigerating system's performance reduction, the energy consumption increases, develop high-efficient heat transfer air cooling condenser, can effectively improve the heat transfer efficiency of condenser, refrigerating.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical defect who exists among the prior art, provide a refrigeration air cooling condensation heat exchanger for air conditioner field to solve the high-efficient heat transfer of air cooling condenser, realize that refrigerating system's performance improves, the energy saving.

The utility model provides a technical scheme that its technical problem adopted is:

an air-cooled condensation heat exchanger comprises at least one heat exchange module, wherein the heat exchange module comprises a heat exchange group assembly which is arranged in an outer frame and driven by a motor to rotate, and the heat exchange assembly comprises at least one annular heat exchange cylinder with two closed ends; the bottom of the heat exchange cylinder is connected with the liquid discharge pipe and the exhaust pipe, the upper end of the heat exchange cylinder is fixed with the heat exchange cylinder support, the motor is installed on the motor support and connected with the heat exchange cylinder support to drive the heat exchange cylinder support to rotate, and the motor support is welded to the top of the outer frame.

The heat exchange cylinders are arranged concentrically, and the cylinder diameters are reduced in sequence; the tops of the heat exchange cylinders are fixed with the heat exchange cylinder connecting frame.

The bottom of the outer heat exchange cylinder is connected with the exhaust pipe, and orifices are formed in the positions, close to the tops or the bottoms, of the outer walls of the inner and outer ring surfaces of the plurality of heat exchange cylinders and are connected with each other through connecting pipes, so that heat exchange media flow through the annular channel of the heat exchange cylinder in the inner layer after entering from the exhaust pipe in sequence to realize heat exchange; and liquid discharge orifices are formed at the bottoms of the heat exchange cylinders close to the inner wall of the outer ring surface and are respectively connected with a liquid collection pipe through a liquid discharge pipe.

The outer frame is welded and fixed on an outdoor unit frame or a wall body.

Wherein, one side of the motor faces the air, and one side of the liquid collecting pipe faces the ground.

Wherein, the heat exchange cylinder is an outer smooth cylinder or an outer low-rib cylinder with a watchband.

The exhaust pipe is connected with an exhaust pipe of the refrigeration compressor, and the liquid collecting pipe is connected with an inlet of the throttling and pressure reducing element.

The utility model discloses an air cooling condensation heat exchanger utilizes the motor to drive the annular channel heat exchanger section of thick bamboo rotatory, and under the effect of centrifugal force, liquid in the heat exchanger section of thick bamboo is attached to on the inner wall of heat exchanger section of thick bamboo, and gravity action flows to heat exchanger bottom portion, draws forth through the fluid-discharge tube, and simultaneously, the disturbance of air is flowed in the rotatory heat exchanger section of thick bamboo increase, strengthens the heat transfer effect of refrigerant and the outer air of section of thick bamboo in the heat exchanger section of thick bamboo, improves refrigerating system's performance.

Drawings

Fig. 1 is a schematic view of a single-channel air-cooled condensing heat exchanger of the present invention;

FIG. 2 shows a view from the direction A of FIG. 1;

fig. 3 is a schematic diagram of the two-pass air-cooled condensing heat exchanger.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

As shown in fig. 1 and fig. 2, the single-channel air-cooled condensing heat exchanger of the present invention includes a motor 1, a motor bracket 2, a first connecting pipe 3, an outer frame 4, a liquid collecting pipe 5, a first liquid discharging pipe 6, a second liquid discharging pipe 7, a third liquid discharging pipe 8, a third heat exchanging cylinder 9, a second connecting pipe 10, a gas discharging pipe 11, a second heat exchanging cylinder 12, a first heat exchanging cylinder 13, a heat exchanging cylinder connecting frame 14, and a main shaft 15;

the first heat exchange cylinder 13, the second heat exchange cylinder 12 and the third heat exchange cylinder 9 are circular rings with two closed ends, an orifice formed at the bottom of the first heat exchange cylinder 13 is welded with the exhaust pipe 11, an orifice formed at the outer wall of the inner ring surface of the first heat exchange cylinder 13, which is close to the top, is welded with one end of the first connecting pipe 3, the other end of the first connecting pipe 3 is welded with an orifice formed at the outer wall of the outer ring surface of the second heat exchange cylinder 12, which is close to the outer wall of the inner ring surface of the bottom, is welded with one end of the second connecting pipe 10, and the other end of the second connecting pipe 10 is welded with an orifice formed at the outer wall of the outer ring surface of the third heat exchange cylinder; orifices which are formed in the bottoms of the first heat exchange cylinder 13, the second heat exchange cylinder 12 and the third heat exchange cylinder 9 and are close to the inner wall of the outer ring surface are respectively welded with one ends of the first liquid discharge pipe 6, the second liquid discharge pipe 7 and the third liquid discharge pipe 8, and the other ends of the first liquid discharge pipe 6, the second liquid discharge pipe 7 and the third liquid discharge pipe 8 are welded with corresponding orifices of the liquid collection pipe 5; the tops of the first heat exchange cylinder 13, the second heat exchange cylinder 12 and the third heat exchange cylinder 9 are welded with the outer end of the heat exchange cylinder connecting frame 14, and the center of the heat exchange cylinder connecting frame 14 is welded with the main shaft 15.

The outer frame of motor 1 and the one end welding of motor support 2, the other end of motor support 2 and outer frame 4 welding, outer frame 4 welded fastening is on outdoor machine frame or wall body.

The spindle 15 is connected with a motor and driven by the motor 1 to rotate, so as to drive the heat exchange cylinder to rotate synchronously.

Specifically, in the utility model discloses in, one side orientation of motor 1 is aerial, and one side orientation ground of collector tube 5.

It should be noted that, in the present invention, the first heat exchange cylinder 13, the second heat exchange cylinder 12, and the third heat exchange cylinder 9 may have smooth surfaces, or may have low ribs on the surfaces.

The exhaust pipe 11 and the liquid collecting pipe 5 are flexible plastic tubes resistant to high temperature and high pressure and capable of stretching, the exhaust pipe 11 is connected with an exhaust pipe of the refrigeration compressor, and the liquid collecting pipe 5 is connected with an inlet of the throttling and pressure reducing element.

The utility model discloses in, blast pipe and collector tube can be for high temperature and high pressure resistant, the soft section of thick bamboo of telescopic plastic, the outward appearance has wrapped the heat preservation respectively to bind fixedly together with the soft section of thick bamboo suit of telescopic plastic.

When the refrigerating system is in operation, gas discharged by a refrigerating compressor enters the annular channel of the first heat exchange cylinder 13 through the exhaust pipe 11, enters the annular channel of the second heat exchange cylinder 12 through the first connecting pipe 3, enters the annular channel of the third heat exchange cylinder 9 through the second connecting pipe 10, the motor drives each heat exchange cylinder to rotate through the main shaft, under the action of centrifugal force, liquid condensed in the first heat exchange cylinder 13, the second heat exchange cylinder 12 and the third heat exchange cylinder 9 is attached to the inner wall of the outer annular surface of each heat exchange cylinder, flows to the bottom under the action of gravity and is led out through each liquid discharge pipe, and the liquid in the liquid collection pipe 5 flows to the throttling and pressure reducing element.

The above is only an embodiment of the present invention, showing the situation that three heat exchanging cylinders are configured together, in fact, the number of the heat exchanging cylinders is not limited, and corresponding number can be designed according to the requirement of the working condition, such as one, two, three, or even more, specifically without limitation.

In addition, it should be noted that, the utility model discloses in, air cooling condensation heat exchanger can make a heat transfer module and use, forms single channel air cooling condensation heat exchanger, also can two set up the use side by side, forms binary channels air cooling condensation heat exchanger, as shown in fig. 3. Of course, there may be more, forming a multi-pass cold condensing heat exchanger.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An air-cooled condensation heat exchanger is characterized by comprising at least one heat exchange module, wherein the heat exchange module comprises a heat exchange assembly which is arranged in an outer frame and driven by a motor to rotate, and the heat exchange assembly comprises at least one annular heat exchange cylinder with two closed ends; the bottom of the heat exchange cylinder is connected with the liquid discharge pipe and the exhaust pipe, the upper end of the heat exchange cylinder is fixed with the heat exchange cylinder support, the motor is installed on the motor support and connected with the heat exchange cylinder support to drive the heat exchange cylinder support to rotate, and the motor support is welded to the top of the outer frame.

2. An air-cooled condensing heat exchanger according to claim 1, characterized in that the heat exchange cylinders are plural, concentrically arranged, and the cylinder diameters are successively reduced; the tops of the heat exchange cylinders are fixed with the heat exchange cylinder connecting frame.

3. The air-cooled condensing heat exchanger according to claim 2, characterized in that the bottom of the outer heat exchange cylinder is connected with the exhaust pipe, and the inner and outer annular surfaces of the plurality of heat exchange cylinders are provided with orifices near the top or the bottom and are connected with each other through connecting pipes, so that the heat exchange medium enters from the exhaust pipe and then flows through the annular channel of the heat exchange cylinder which finally enters the inner layer to realize heat exchange; and liquid discharge orifices are formed at the bottoms of the heat exchange cylinders close to the inner wall of the outer ring surface and are respectively connected with a liquid collection pipe through a liquid discharge pipe.

4. The air-cooled condensing heat exchanger of claim 1, wherein the outer frame is welded and fixed to an outdoor unit frame or a wall.

5. An air-cooled condensing heat exchanger according to claim 3 characterised in that the motor is on the side facing the air and the collector tube is on the side facing the ground.

6. An air-cooled condensing heat exchanger according to claim 1, characterised in that the heat exchange tubes are smooth-surfaced tubes or tubes with low ribs on the outside.

7. An air-cooled condensing heat exchanger according to claim 3, characterised in that the discharge pipe is connected to the discharge pipe of the refrigeration compressor and the collector pipe is connected to the inlet of the throttling and pressure reducing element.