CN209763787U - Refrigerating system and heat recovery device - Google Patents
Refrigerating system and heat recovery device Download PDFInfo
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- CN209763787U CN209763787U CN201920394543.4U CN201920394543U CN209763787U CN 209763787 U CN209763787 U CN 209763787U CN 201920394543 U CN201920394543 U CN 201920394543U CN 209763787 U CN209763787 U CN 209763787U
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Abstract
The utility model discloses a refrigerating system and heat reclamation device, wherein, heat reclamation device includes water-cooled condenser, heat recovery delivery pipe, heat recovery wet return and cooling tower. Some entering cooling water delivery pipes of the water-cooled condenser's outlet pipe's water, another part gets into the heat recovery delivery pipe, the water of heat recovery delivery pipe then gets into the equipment of treating the heat supply, carry out recycle to the condensation heat through the equipment of treating the heat supply, treat that the heat supply equipment is to the back of condensation heat recycle, the cooling water gets into the cooling tower through the heat recovery wet return through the cooling water delivery pipe, perhaps the cooling water does not get into the cooling tower but gets into the oral siphon through the heat recovery wet return, get into the equipment of treating the heat supply before the cooling water gets into the cooling tower or flows back to the water-cooled condenser again promptly, retrieve the condensation heat through the equipment of treating the heat supply, the recovery efficiency of the condensation heat of refrigerating unit has been improved greatly.
Description
Technical Field
The utility model relates to a technical field such as low temperature buildings and conventional air conditioner buildings such as indoor ski resort, skating rink, freezer, in particular to refrigerating system and heat reclamation device.
Background
the refrigerating systems of indoor skiing paradises, skating rinks, refrigeratory and the like are almost in a state of running all the year round, as shown in figure 1, one part of condensation heat of a refrigerating unit of the refrigerating system is dissipated to the atmosphere through an evaporative condenser 02 and is not recycled, so that the waste of the condensation heat is caused, the other part of condensation heat is recycled through a condensation heat recycling module 01 which is independently arranged, the recycling proportion of the condensation heat recycling module 01 to the condensation heat is small, and the recycling efficiency of the condensation heat of the refrigerating unit is low.
Therefore, how to improve the recovery efficiency of the condensation heat of the refrigeration unit becomes a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a heat recovery device to improve the recovery efficiency of the condensation heat of refrigerating unit. The utility model also provides a refrigerating system.
In order to achieve the above object, the utility model provides a following technical scheme:
A heat recovery device, comprising:
The water-cooled condenser can cool the refrigerating unit and is provided with a water inlet pipe and a water outlet pipe;
The heat recovery water supply pipe is connected with the water outlet pipe and is communicated with a water inlet of equipment to be heated;
The heat recovery water return pipe is connected with the water outlet pipe or the water inlet pipe and is communicated with a water outlet of the equipment to be heated;
And the water inlet of the cooling tower is communicated with the water outlet pipe through a cooling water supply pipe, and the water outlet of the cooling tower is communicated with the water inlet pipe through a cooling water return pipe.
Preferably, in the heat recovery device, the heat recovery water supply pipe or the heat recovery water return pipe is provided with a first circulation pump group.
Preferably, in the heat recovery device, a second circulation pump group is provided in the cooling water return pipe.
Preferably, in the heat recovery device, the cooling tower is located outdoors.
A refrigeration system comprising:
A refrigeration unit; and
A heat recovery device for recovering heat of the refrigeration unit, the heat recovery device being the heat recovery device described in any one of the above aspects.
Preferably, in the refrigeration system, the cooling tower of the heat recovery device is located outdoors.
preferably, in the refrigeration system, the heat recovery water supply pipe of the heat recovery device is provided with a plurality of first ports communicated with the water inlet of the equipment to be heated;
And a plurality of second interfaces communicated with the water outlet of the equipment to be heated are arranged on the heat recovery water return pipe of the heat recovery device.
According to the above technical scheme, the utility model provides a heat recovery device, including water-cooled condenser, heat recovery delivery pipe, heat recovery wet return and cooling tower. The heat recovery device provided by the scheme is characterized in that a heat recovery water supply pipe is communicated with a water outlet pipe of the water-cooled condenser, a heat recovery water return pipe is communicated with a water outlet pipe or an inlet pipe, one part of water in the water outlet pipe of the water-cooled condenser enters a cooling water supply pipe, the other part of water enters the heat recovery water supply pipe, the water in the heat recovery water supply pipe enters equipment to be heated, the condensation heat is recycled through the equipment to be heated, after the condensation heat is recycled by the equipment to be heated, the cooling water enters a cooling tower through the heat recovery water return pipe through the cooling water supply pipe, or the cooling water does not enter the cooling tower but enters the inlet pipe through the heat recovery water return pipe through the cooling water return pipe, namely the cooling water enters the equipment to be heated before entering the cooling tower or flowing back to the water-cooled condenser again, the condensation heat is recovered through the equipment to be heated, compared with the prior art, the, the recovery efficiency of the condensation heat of the refrigerating unit is greatly improved.
The utility model also provides a refrigerating system, including refrigerating unit and heat reclamation device, heat reclamation device can retrieve the heat that refrigerating unit produced. The heat recovery device is the heat recovery device described in any of the above embodiments, and since the heat recovery device has the above technical effects, a refrigeration system having the heat recovery device also has the same technical effects, and details thereof are not described here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art refrigeration system;
fig. 2 is a schematic structural diagram of a refrigeration system according to a first embodiment of the present invention;
Fig. 3 is a schematic structural diagram of a refrigeration system according to a second embodiment of the present invention.
01. The system comprises a condensation heat recovery module 02, an evaporative condenser 1, a water-cooled condenser 11, a water inlet pipe 12, a water outlet pipe 2, a heat recovery water supply pipe 3, a heat recovery water return pipe 4, a cooling tower 5, a first circulation pump set 6, a device to be heated 7, a second circulation pump set 8, a condensation heat recovery module 9, a cooling water supply pipe 10 and a cooling water return pipe.
Detailed Description
The utility model discloses a heat recovery device to improve the recovery efficiency of the condensation heat of refrigerating unit. The utility model also discloses a refrigerating system.
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.
Referring to fig. 2 and 3, fig. 2 is a schematic structural diagram of a refrigeration system according to a first embodiment of the present invention; fig. 3 is a schematic structural diagram of a refrigeration system according to a second embodiment of the present invention.
the utility model discloses a heat recovery device, including water-cooled condenser 1, heat recovery delivery pipe 2, heat recovery wet return 3 and cooling tower 4.
The water-cooled condenser 1 is used for cooling a refrigerating unit, a water inlet pipe 11 and a water outlet pipe 12 are arranged on the water-cooled condenser 1,
One end of the heat recovery water supply pipe 2 is communicated with the water outlet pipe 12, the other end is communicated with the water inlet of the equipment to be heated 6, one end of the heat recovery water return pipe 3 is communicated with the water inlet pipe 11 or the water outlet pipe 12, and the other end is communicated with the water outlet of the equipment to be heated 6;
One end of a cooling water supply pipe 9 is communicated with a water outlet pipe 12, and the other end is communicated with a water inlet of the cooling tower 4; one end of the cooling water return pipe 10 is communicated with the water inlet pipe 11, and the other end is communicated with a water outlet of the cooling tower 4.
The cooling water in the water outlet pipe 12 of the water-cooled condenser 1 is the cooling water absorbing the condensation heat of the refrigerating unit.
In the first embodiment of the present invention, the heat recovery water return pipe 3 is communicated with the water outlet pipe 12, in this embodiment, the heat recovery water supply pipe and the heat recovery water return pipe are both communicated with the water outlet pipe 12, a part of the cooling water of the water outlet pipe 12 is supplied to the heat recovery water supply pipe 2, and the other part of the cooling water is supplied to the cooling water supply pipe 9, wherein the cooling water entering the heat recovery water supply pipe 2 enters the equipment to be heated 6 to provide heat for the equipment to be heated 6, so as to recycle the condensation heat, the cooling water returns to the water outlet pipe 12 again through the heat recovery water return pipe 3 after passing through the equipment to be heated 6, joins with the cooling water supplied to the cooling water supply pipe 9 to enter the cooling tower 4 for cooling, and the cooled cooling. In this embodiment, the cooling water supply pipe 9 and the heat recovery water return pipe 3 are two pipes connected in series.
In the second embodiment of the present invention, the heat recovery water return pipe 3 is communicated with the water inlet pipe 11, in this embodiment, the heat recovery water supply pipe is communicated with the water outlet pipe 12, the heat recovery water return pipe 3 is communicated with the water inlet pipe 11, a part of the cooling water of the water outlet pipe 12 is supplied to the heat recovery water supply pipe 2, and the other part of the cooling water is supplied to the cooling water supply pipe 9, wherein the cooling water supplied into the heat recovery water supply pipe 2 enters the equipment to be heated 6 to provide heat for the equipment to be heated 6, so as to realize the recycling of condensation heat, and the cooling water directly enters the water inlet pipe 11 through the heat recovery water return pipe 3. In this embodiment, the cooling water supply pipe 9 and the heat recovery water return pipe 3 are two parallel pipes.
How 2 and 3 show, be provided with first valve on the outlet pipe 12, be provided with first valve on the oral siphon 11, be provided with the third valve on the heat recovery delivery pipe 2, be provided with the fourth valve on the heat recovery wet return 3, be provided with the fifth valve on the cooling water delivery pipe 9, be provided with the sixth valve on the cooling water wet return 10. In the second embodiment of this solution, a seventh valve is separately provided at the junction of the cooling water return pipe 10 and the heat recovery water return pipe 3. The cooling water of the water inlet pipe 11 of the water-cooled condenser 1 is cooled by the cooling tower 4, and is used for cooling the refrigerating unit.
The heat recovery device that this scheme provided, through setting up heat recovery delivery pipe and heat recovery wet return, heat recovery delivery pipe and heat recovery wet return with treat heat supply equipment 6 intercommunication, carry out recycle to the condensation heat through treating heat supply equipment 6, for prior art, directly give off the mode of the air with the condensation heat directly not utilized through evaporative condenser, improved the recovery efficiency of the condensation heat of refrigerating unit greatly
The condenser of this scheme adopts water-cooled condenser 1 to replace evaporative condenser, utilizes water as coolant, and the cost is lower relatively, and the specific heat capacity of water is big, and the hydroenergy of same volume can absorb more condensation heat.
The heat recovery device provided by the scheme can absorb heat energy which is large in heat quantity, stable and low in grade, the recovery rate of condensation heat can reach 100% in theory, and waste of heat energy is greatly reduced.
The equipment 6 to be heated can be a heating coil, a plate heat exchanger or a positive displacement heat exchanger of pool water of a water park or the like, or other equipment 6 to be heated.
in the first embodiment of the present solution, the heat recovery water supply pipe 2 is provided with a first recycle pump group 5;
In the second embodiment of this embodiment, the heat recovery water return pipe 3 is provided with the first circulation pump group 5.
The circulation of the cooling water in the heat recovery water supply pipe 2 and the heat recovery water return pipe 3 can be powered regardless of the position where the first circulation pump group 5 is provided.
The cooling water return pipe 10 is provided with a second circulating pump set 7, and the second circulating pump set 7 provides circulating power for a cooling water system (the cooling water system comprises a cooling tower 4, a cooling water supply pipe 9, a cooling water return pipe 10 and a water-cooled condenser 1).
In a particular embodiment of the solution, the cooling tower 4 is located outdoors. The cooling tower 4 is a device which uses water as a circulating coolant, absorbs heat from the system and discharges the heat to the atmosphere so as to reduce the water temperature, and uses cold heat exchange after the water flows and contacts with air, so that other cooling media do not need to be added in the cooling process, the cost is relatively low, and the cost of a heat recovery device is reduced.
In one embodiment of the present invention, the total flow rate of the heat recovery water supply pipe 2 should not be greater than the flow rate of the water inlet pipe 11, the maximum available heat for heat recovery is the total heat of cooling water from 37 ℃ to 32 ℃, and the recovered condensation heat can be used for domestic hot water preheating (preheating to 28-30 ℃) or water heating (about 30 ℃) of a water park pool in or adjacent to a building. The temperature value in this embodiment is only one set of data in the experiment, which is only exemplified by the data, and is not representative or unique, and the temperature value may be adjusted or set according to the difference of the actual working conditions.
Preferably, the first circulating pump group 5, the second circulating pump group 7, the fans of the cooling tower 4 and the like can be provided with frequency conversion energy-saving operation measures, so that the operation cost of the heat recovery device is reduced to a certain extent.
the equipment 6 to be heated can be a heating coil, a plate heat exchanger or a positive displacement heat exchanger of pool water of a water park or the like, or other equipment 6 to be heated. Specifically, the method includes, but is not limited to, preheating domestic water by a positive displacement heat exchanger, or circularly heating pool water in a water park, an ocean park, and the like by a plate heat exchanger and the like.
the heat recovery device provided by the scheme is suitable for all occasions with low requirements on heat utilization level.
This scheme still provides a refrigerating system, including refrigerating unit and heat reclamation device, heat reclamation device can retrieve the heat that refrigerating unit produced.
The heat recovery device is the heat recovery device described in any of the above embodiments, and since the heat recovery device has the above technical effects, a refrigeration system having the heat recovery device also has the same technical effects, and details thereof are not described here.
In this embodiment, the cooling tower 4 of the heat recovery apparatus is located outdoors. The cooling tower 4 exchanges heat with the atmosphere, and the operation cost is further reduced.
The heat recovery water supply pipe 2 of the heat recovery device is provided with a plurality of first interfaces communicated with the water inlets of the devices to be heated 6, and the heat recovery water return pipe 3 of the heat recovery device is provided with a plurality of second interfaces communicated with the water outlets of the devices to be heated 6, namely, the heat recovery device can be connected with a plurality of devices to be heated 6 at the same time or only connected with one device to be heated 6. And valves are arranged at each first interface and each second interface.
The equipment 6 to be heated can be a heating pipe, a plate heat exchanger or a positive displacement heat exchanger of pool water of a water park and the like, or other equipment 6 to be heated. Specifically, domestic water is preheated through a positive displacement heat exchanger or pool water in a water park, an ocean park and the like is circularly heated through a plate heat exchanger and the like.
the heat recovery device provided by the scheme is suitable for all occasions with low requirements on heat utilization level.
In one embodiment of the present invention, the total flow rate of the heat recovery water supply pipe 2 should not be greater than the flow rate of the water inlet pipe 11, the maximum available heat for heat recovery is the total heat of cooling water from 37 ℃ to 32 ℃, and the recovered condensation heat can be used for domestic hot water preheating (preheating to 28-30 ℃) or water heating (about 30 ℃) of a water park pool in or adjacent to a building. The temperature value in this embodiment is only one set of data in the experiment, which is only exemplified by the data, and is not representative or unique, and the temperature value may be adjusted or set according to the difference of the actual working conditions.
preferably, the first circulating pump group 5, the second circulating pump group 7, the fan of the cooling tower 4 and the like can be provided with frequency conversion energy-saving operation measures.
The refrigerating system provided by the scheme is provided with a condensation heat recovery module 8 besides a heat recovery device.
the previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A heat recovery device, comprising:
The water-cooled condenser (1) can cool a refrigerating unit, and a water inlet pipe (11) and a water outlet pipe (12) are arranged on the water-cooled condenser (1);
The heat recovery water supply pipe (2) is connected with the water outlet pipe (12), and the heat recovery water supply pipe (2) is communicated with a water inlet of the equipment to be heated (6);
the heat recovery water return pipe (3) is connected with the water outlet pipe (12) or the water inlet pipe (11), and the heat recovery water return pipe (3) is communicated with a water outlet of the equipment to be heated (6);
The water inlet of the cooling tower (4) is communicated with the water outlet pipe (12) through a cooling water supply pipe (9), and the water outlet of the cooling tower (4) is communicated with the water inlet pipe (11) through a cooling water return pipe (10).
2. The heat recovery device according to claim 1, wherein a first circulating pump group (5) is provided on the heat recovery water supply pipe (2) or the heat recovery water return pipe (3).
3. A heat recovery device according to claim 1, characterised in that a second set of circulating pumps (7) is arranged on the cooling water return (10).
4. the heat recovery device according to claim 1, characterized in that the cooling tower (4) is located outdoors.
5. A refrigeration system, comprising:
a refrigeration unit; and
A heat recovery device for recovering heat from the refrigeration unit, the heat recovery device being as claimed in any one of claims 1 to 4.
6. A refrigeration system according to claim 5, characterized in that the cooling tower (4) of the heat recovery device is located outdoors.
7. A refrigerating system as claimed in claim 5, characterized in that the heat recovery water supply pipe (2) of the heat recovery device is provided with a plurality of first ports communicating with the water inlet of the equipment to be heated (6);
And a plurality of second interfaces communicated with the water outlet of the equipment to be heated (6) are arranged on the heat recovery water return pipe (3) of the heat recovery device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920394543.4U CN209763787U (en) | 2019-03-26 | 2019-03-26 | Refrigerating system and heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920394543.4U CN209763787U (en) | 2019-03-26 | 2019-03-26 | Refrigerating system and heat recovery device |
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| Publication Number | Publication Date |
|---|---|
| CN209763787U true CN209763787U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920394543.4U Active CN209763787U (en) | 2019-03-26 | 2019-03-26 | Refrigerating system and heat recovery device |
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| CN (1) | CN209763787U (en) |
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- 2019-03-26 CN CN201920394543.4U patent/CN209763787U/en active Active
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