Heat exchange cooling system

Abstract

The utility model relates to the technical field of heat exchange systems, in particular to a heat exchange cooling system which comprises a heat exchanger and a condenser, an air outlet of the heat exchanger is communicated with an inlet of the condenser through a steam pipeline, and an outlet of the condenser is communicated with a liquid inlet of the heat exchanger through a liquid pipeline. A heat regeneration device is arranged on the liquid pipeline, the steam pipeline is communicated with the heat regeneration device, a gaseous condensing medium flowing through the heat regeneration device exchanges heat with a liquid condensing medium flowing through the heat regeneration device, and the temperature of the liquid condensing medium is adjusted; the heat of the gaseous condensing medium is used for conducting heat of the liquid condensing medium flowing back to the heat exchanger through the condenser, the temperature of the liquid condensing medium flowing into the heat exchanger is prevented from being too low, the stability of the working efficiency of the heat exchanger is improved, and meanwhile low-temperature corrosion of the low-temperature liquid condensing medium to a pipeline can be avoided; the service lives of the pipeline and the heat exchanger can be effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchange system technical field, especially relate to a heat exchange cooling system. BACKGROUND

[0002] In modern industry, heat exchange systems are widely used in various devices to meet the application requirements of the devices through heat conduction. In the heat exchange system, a heat exchanger and a condenser are generally provided, and the heat exchanger and the condenser are connected through a pipeline. The pipeline is provided with a condensing medium, and the heat conduction is carried out by using the change in the physical state of the condensing medium.

[0003] In the prior art, the liquid condensing medium is converted into gaseous condensing medium by the heat exchanger, and the condenser of the system needs to re-condense the liquid condensing medium. If the cooling effect of the condenser is too strong or the flow of the liquid condensing medium is too large, the temperature of the re-condensed liquid condensing medium may be too low, which may cause the temperature of the liquid condensing medium flowing into the heat exchanger to be inconsistent with the required temperature for heat exchange, and may cause the heat exchange efficiency of the heat exchanger to be unstable, accelerate the corrosion of the pipeline of the heat exchanger, and further affect the overall cooling effect of the heat exchange system. SUMMARY

[0004] The utility model discloses a heat exchange cooling system, which can be used for heat conduction of liquid condensing medium, temperature adjustment of liquid condensing medium entering the heat exchanger, and reduction of low-temperature corrosion of liquid condensing medium to the pipeline of the heat exchanger.

[0005] To solve the above technical problems, the embodiment of the utility model provides a technical scheme as follows:

[0006] A heat exchange cooling system includes a heat exchanger and a condenser. The gas outlet of the heat exchanger is connected to the inlet of the condenser through a steam pipeline. The outlet of the condenser is connected to the liquid inlet of the heat exchanger through a liquid pipeline. A heat recovery device is provided on the liquid pipeline. The steam pipeline is connected to the heat recovery device. The gaseous condensing medium flowing through the heat recovery device exchanges heat with the liquid condensing medium flowing through the heat recovery device, and the temperature of the liquid condensing medium is adjusted.

[0007] Further, the steam pipeline includes a main steam pipe directly connected to the gas outlet, a first steam pipe connected to the main steam pipe, and a second steam pipe connected to the main steam pipe. The first steam pipe is directly connected to the inlet of the condenser. The second steam pipe is connected to one end of the heat recovery device. The other end of the heat recovery device is connected to the inlet of the condenser through a third steam pipe. After the gaseous condensing medium is heated by the heat recovery device, it is guided to the condenser through the third steam pipe.

[0008] Further, the liquid pipeline comprises a first liquid pipe and a second liquid pipe, one end of the first liquid pipe is communicated with the condenser outlet, the other end is communicated with the regenerative device, and the regenerative device is communicated with the liquid inlet of the heat exchanger through the second liquid pipe.

[0009] Further, the heat exchanger is provided with two liquid inlets, the second liquid pipeline is provided with a first liquid inlet pipe and a second liquid inlet pipe, and the regenerative device is communicated to the two liquid inlets of the heat exchanger through the first liquid inlet pipe and the second liquid inlet pipe.

[0010] Further, the second liquid pipe is provided with a temperature sensor, the second steam pipe is provided with a regulating valve, the temperature sensor is in communication connection with the regulating valve, and the regulating valve can adjust the flow of the gaseous condensing medium in the second steam pipe according to the data of the temperature sensor.

[0011] Further, in the regenerative device, the flow directions of the gaseous condensing medium and the liquid condensing medium are opposite.

[0012] Further, the regenerative device is provided with a communicating cavity, and the gaseous condensing medium and the liquid condensing medium directly meet in the cavity of the regenerative device.

[0013] Further, the regenerative device is provided with a first flow channel and a second flow channel which are coaxially sleeved, the internal passage of the first flow channel is not communicated with the internal passage of the second flow channel, the first flow channel is communicated with the steam pipeline, and the second flow channel is communicated with the liquid pipeline.

[0014] Further, the regenerative device is provided with a first flow channel and a second flow channel which are coaxially sleeved, the internal passage of the first flow channel is not communicated with the internal passage of the second flow channel, the second flow channel is communicated with the steam pipeline, and the first flow channel is communicated with the liquid pipeline.

[0015] Further, the heat exchanger is a phase change heat exchanger.

[0016] Compared with the prior art, the regenerative device is arranged between the condenser and the heat exchanger, the gaseous condensing medium is guided to the regenerative device to heat the liquid condensing medium, the liquid condensing medium entering the heat exchanger can be kept within a certain temperature range, the low-temperature corrosion of the liquid condensing medium to the heat exchanger pipeline is reduced, the stability of the heat exchanger efficiency is ensured, the heat of the gaseous condensing medium is reasonably utilized for heat conduction of the liquid condensing medium, and the energy demand of the overall system to the outside is also reduced, and the energy consumption and operation cost are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] One or more embodiments are illustrated by way of example in the figures that form a part of this detailed description, which illustrate by way of example the principles of the embodiments. The embodiments are not limited to the examples provided in the figures. In the figures, like reference numbers indicate like elements, unless otherwise noted. The figures in the drawings are not necessarily drawn to scale.

[0018] Figure 1 is a heat exchanger cooling system structure schematic diagram in the embodiment of the utility model;

[0019] Figure 2 is a heat exchanger cooling system structure schematic diagram in the embodiment of the utility model;

[0020] Reference signs: 1, condenser; 11, inlet; 12, outlet; 2, heat recovery device; 21, first flow channel; 22, second flow channel; 23, cavity; 3, heat exchanger; 31, liquid inlet; 32, gas outlet; 4, steam pipeline; 41, main steam pipe; 411, first steam pipe; 412, second steam pipe; 413, third steam pipe; 5, liquid pipeline; 51, first liquid pipe; 52, second liquid pipe; 521, first liquid inlet pipe; 522, second liquid inlet pipe; 6, regulating valve; 7, temperature sensor. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will combine the figures to the each embodiment of the utility model carries on the detailed elaboration. However, the ordinary skilled in the art can understand, in the each embodiment of the utility model, in order to make the reader better understanding of the present application and proposed many technical details. However, even if there is no these technical details and based on the various changes and modifications of each embodiment, the technical scheme of the claims of the present application can be realized. For example Figure 1As shown, one embodiment of the utility model provides a kind of heat exchange cooling system, including heat exchanger 3 and condenser 1, heat exchanger 3 is communicated with condenser 1 by pipeline, the pipeline is equipped with for flowing condensing medium, the heat exchanger 3 is equipped with liquid inlet 31 and gas outlet 32, the condenser 1 is equipped with the import 11 of gaseous condensing medium and the outlet 12 of liquid condensing medium, the gas outlet 32 of heat exchanger 3 is communicated with the import 11 of condenser 1 by steam pipeline 4, the outlet 12 of condenser 1 is communicated with the liquid inlet 31 of heat exchanger 3 by liquid pipeline 5, the liquid pipeline 5 is equipped with regenerative device 2, steam pipeline 4 is communicated with regenerative device 2 and is set, gaseous condensing medium flowing through regenerative device 2 and liquid condensing medium flowing through regenerative device 2 carry out heat exchange, temperature regulation is carried out to liquid condensing medium.Liquid condensing medium enters after liquid inlet 31 from heat exchanger 3, after heat exchange with external heat, liquid condensing medium is converted into gaseous condensing medium from gas outlet 32, the heat of gaseous condensing medium is used to carry out heat conduction to liquid condensing medium that flows to heat exchanger 3 by condenser 1, avoid the temperature of liquid condensing medium that flows into heat exchanger 3 too low, influence the stability of heat exchanger 3 work efficiency, can reduce low temperature corrosion of low temperature liquid condensing medium to pipeline simultaneously, can effectively increase the service life of pipeline and heat exchanger 3;By the setting of heat exchanger 3, the energy of gaseous steam in heat exchange system is reasonably utilized, it is favorable to reduce the energy demand of overall system to outside, reduce energy consumption and operating cost.

[0022] In one embodiment, the steam pipeline 4 for transmitting gaseous state condensing medium comprises a main steam pipe 41, one end of which is in direct communication with the gas outlet 32, and the other end of which is in communication with a first steam pipe 411 and a second steam pipe 412, the first steam pipe 411 being in direct communication with the inlet 11 of the condenser 1, and the second steam pipe 412 being in communication with one end of the regenerative device 2, the other end of the regenerative device 2 being in communication with the inlet 11 of the condenser 1 through a third steam pipe 413, and the gaseous state condensing medium heated by the regenerative device 2 can be guided to the condenser 1 through the third steam pipe 413; the liquid pipeline 5 for transmitting liquid state condensing medium comprises a first liquid pipe 51 and a second liquid pipe 52, one end of the first liquid pipe 51 being in communication with the outlet 12 of the condenser 1, and the other end being in communication with the regenerative device 2, and the regenerative device 2 being in communication with the liquid inlet 31 of the heat exchanger 3 through the second liquid pipe 52. In one exemplary example, the second liquid pipe 52 is provided with a temperature sensor 7, the second steam pipe 412 is provided with an adjusting valve 6, the temperature sensor 7 is in communication connection with the adjusting valve 6, and the adjusting valve 6 can adjust the flow of gaseous state condensing medium in the second steam pipe 412 according to the data of the temperature sensor 7. By adjusting the flow of gaseous state condensing medium in the second steam pipe 412, the total amount of heat conduction between the gaseous state condensing medium and the liquid state condensing medium in the regenerative device 2 is controlled, the temperature of the liquid state condensing medium flowing to the heat exchanger 3 is ensured to be stable within a certain reasonable range, the stability of the working efficiency of the heat exchanger 3 is improved, and the service life of the equipment is improved. Preferably, in order to increase the stability and uniformity of the heat conduction between the gaseous state condensing medium and the liquid state condensing medium in the regenerative device 2, the flow directions of the gaseous state condensing medium and the liquid state condensing medium in the regenerative device 2 are opposite.

[0023] In one embodiment, a heat exchange cooling system is involved, wherein the regenerative device 2 is provided with a communicating cavity 23, and the gaseous state condensing medium and the liquid state condensing medium directly meet in the cavity 23 of the regenerative device 2, and since the flow directions of the gaseous state condensing medium and the liquid state condensing medium are opposite, the uniformity of the meeting and fusion of the gaseous state condensing medium and the liquid state condensing medium is increased, the heat conduction efficiency between the two is improved, and the uniformity of the temperature of the liquid state condensing medium is promoted, thereby ensuring the stability of the efficiency of the heat exchanger 3.

[0024] As Figure 2As shown, in one embodiment, a heat exchange cooling system is involved, wherein the regenerative device 2 is provided with coaxially sleeved first flow channel 21 and second flow channel 22, the internal passage of the first flow channel 21 is not communicated with the internal passage of the second flow channel 22, the first flow channel 21 is communicated with the steam pipeline 4, and the second flow channel 22 is communicated with the liquid pipeline 5; of course, the arrangement mode that the second flow channel 22 of the regenerative device 2 is communicated with the steam pipeline 4, and the first flow channel 21 is communicated with the liquid pipeline 5 can also be adopted, and the gaseous condensing medium and the liquid condensing medium exchange heat through the pipe wall of the first flow channel 21.

[0025] In one embodiment, the utility model also provides a heat exchange cooling system, wherein the heat exchanger 3 is provided with two liquid inlets 31, one end of the second liquid pipe 52 is communicated with the regenerative device 2, the other end is communicated with the first liquid inlet pipe 521 and the second liquid inlet pipe 522, and the first liquid inlet pipe 521 and the second liquid inlet pipe 522 are respectively communicated with one liquid inlet 31, so that the liquid condensing medium can flow to the heat exchanger 3 stably, and the stability of the heat exchanger 3 efficiency is guaranteed, preferably, the heat exchanger 3 is a phase change heat exchanger.

[0026] The heat exchange cooling system provided by the utility model embodiment can guide the gaseous condensing medium to the regenerative device to heat the liquid condensing medium, so that the liquid condensing medium entering the heat exchanger can be kept in a certain temperature range, low-temperature corrosion of the liquid condensing medium to the heat exchanger pipeline is reduced, the stability of the heat exchanger efficiency is guaranteed, the heat of the gaseous condensing medium is reasonably utilized to conduct heat to the liquid condensing medium, which is also beneficial to reduce the energy demand of the overall system to the outside, and reduce energy consumption and operation cost.

[0027] Those skilled in the art can understand that the above-mentioned embodiments are specific embodiments for realizing the utility model, and in actual application, various changes can be made in form and details without departing from the spirit and scope of the utility model.

Claims

1. A heat exchange cooling system, characterized by, The heat exchanger (3) and the condenser (1) are provided, the gas outlet (32) of the heat exchanger (3) is communicated with the inlet (11) of the condenser (1) through the steam pipeline (4), the outlet (12) of the condenser (1) is communicated with the liquid inlet (31) of the heat exchanger (3) through the liquid pipeline (5), the liquid pipeline (5) is provided with the heat recovery device (2), the steam pipeline (4) is communicated with the heat recovery device (2), the gaseous condensing medium flowing through the heat recovery device (2) exchanges heat with the liquid condensing medium flowing through the heat recovery device (2), and the liquid condensing medium is temperature adjusted.

2. A heat exchange cooling system as claimed in claim 1, wherein, The steam pipeline (4) comprises a main steam pipe (41) directly communicated with the gas outlet (32), a first steam pipe (411) and a second steam pipe (412) communicated with the main steam pipe (41), the first steam pipe (411) is directly communicated with the inlet (11) of the condenser (1), the second steam pipe (412) is communicated with one end of the heat recovery device (2), the other end of the heat recovery device (2) is communicated with the inlet (11) of the condenser (1) through a third steam pipe (413), and the gaseous condensing medium is guided to the condenser (1) through the third steam pipe (413) after being heated by the heat recovery device (2) to the liquid condensing medium.

3. A heat exchange cooling system as claimed in claim 2, wherein, The liquid pipeline (5) comprises a first liquid pipe (51) and a second liquid pipe (52), one end of the first liquid pipe (51) is communicated with the outlet (12) of the condenser (1), the other end is communicated with the heat recovery device (2), and the heat recovery device (2) is communicated with the liquid inlet (31) of the heat exchanger (3) through the second liquid pipe (52).

4. A heat exchange cooling system as claimed in claim 3, wherein, The heat exchanger (3) is provided with two liquid inlets (31), the second liquid pipe (52) is provided with a first liquid inlet pipe (521) and a second liquid inlet pipe (522), and the heat recovery device (2) is communicated to the two liquid inlets (31) of the heat exchanger (3) through the first liquid inlet pipe (521) and the second liquid inlet pipe (522).

5. A heat exchange cooling system as claimed in claim 3, wherein, The second liquid pipe (52) is provided with a temperature sensor (7), the second steam pipe (412) is provided with an adjusting valve (6), the temperature sensor (7) is in communication connection with the adjusting valve (6), and the adjusting valve (6) can adjust the flow of the gaseous condensing medium in the second steam pipe (412) according to the data of the temperature sensor (7).

6. A heat exchange cooling system according to any one of claims 1-5, characterised in that, In the heat recovery device (2), the flow directions of the gaseous condensing medium and the liquid condensing medium are opposite.

7. A heat exchange cooling system as claimed in claim 6, wherein The heat recovery device (2) is provided with a communicating cavity (23), and the gaseous condensing medium and the liquid condensing medium directly meet in the cavity (23) of the heat recovery device (2).

8. A heat exchange cooling system as claimed in claim 6, wherein, The first flow channel (21) and the second flow channel (22) are coaxially sleeved in the heat recovery device (2), the internal passage of the first flow channel (21) is not communicated with the internal passage of the second flow channel (22), the first flow channel (21) is communicated with the steam pipeline (4), and the second flow channel (22) is communicated with the liquid pipeline (5).

9. A heat exchange cooling system as claimed in claim 6, wherein, The regenerative device (2) is internally provided with a coaxially sleeved first flow channel (21) and a second flow channel (22), the internal passage of the first flow channel (21) is not communicated with the internal passage of the second flow channel (22), the second flow channel (22) is communicated with a steam pipeline (4), and the first flow channel (21) is communicated with a liquid pipeline (5).

10. A heat exchange cooling system according to any one of claims 1-5, 7-9, wherein, The heat exchanger (3) is a phase-change heat exchanger.

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