CN213020428U - Condenser heat recovery system - Google Patents
Condenser heat recovery system Download PDFInfo
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- CN213020428U CN213020428U CN202021454589.XU CN202021454589U CN213020428U CN 213020428 U CN213020428 U CN 213020428U CN 202021454589 U CN202021454589 U CN 202021454589U CN 213020428 U CN213020428 U CN 213020428U
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Abstract
The utility model discloses a condenser heat recovery system is applicable to the data center computer lab, include: the compressor, the condensing device, the liquid storage tank, the throttling device and the evaporator are sequentially communicated through a refrigerant pipeline, and the evaporator is communicated with the compressor so as to facilitate the cyclic utilization of the refrigerant; condensing equipment includes heat recovery condenser and outdoor condenser, and heat recovery condenser and outdoor condenser all communicate with the compressor, and the heat recovery condenser is located indoor in order to heat indoor, and controlling means is connected with the heat recovery condenser to control the heat recovery condenser and begin or stop work. The system can effectively recycle the condensation heat of the machine room during refrigeration, and has good operation effect, long service life, simple structure and convenient operation.
Description
Technical Field
The utility model relates to a control by temperature change technical field, more specifically say, relate to a condenser heat recovery system.
Background
In the prior art, an air conditioner of a data machine room needs to refrigerate and cool the machine room all the year round, and some auxiliary rooms of a data center, such as an oil machine room and an office hall, need to heat in a season with lower temperature, so that a certain temperature range is maintained. A large amount of condensation heat is externally released when the data machine room is refrigerated, another set of heating equipment is needed to be adopted when the auxiliary room is heated, and the process causes great electric energy waste. If the condensing heat during the refrigeration of data computer lab can be retrieved and be used for assisting the heating in room, can greatly improve energy utilization and rate, greatly reduced power consumption.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a condenser heat recovery system, it can effectively recycle the heat of condensation when the computer lab refrigerates, improves energy utilization.
In order to achieve the above object, the present invention provides the following technical solutions:
a condenser heat recovery system suitable for a data center room, comprising: the compressor, the condensing device, the liquid storage tank, the throttling device and the evaporator are sequentially communicated through a refrigerant pipeline, and the evaporator is communicated with the compressor so as to facilitate the cyclic utilization of the refrigerant;
condensing equipment includes heat recovery condenser and outdoor condenser, heat recovery condenser with outdoor condenser all with the compressor intercommunication, heat recovery condenser is located indoor in order to heat indoor, controlling means with heat recovery condenser connects, in order to control heat recovery condenser begins or stop work.
Preferably, the heat recovery condenser is connected in series with the outdoor condenser, the heat recovery condenser is located between the outdoor condenser and the compressor, the compressor is communicated with an inlet of the outdoor condenser through a bypass pipe, and an outlet of the outdoor condenser is communicated with the liquid storage tank.
Preferably, the heat recovery condenser further comprises a first control valve connected with the control device, the first control valve is arranged on a refrigerant pipeline between the heat recovery condenser and the compressor, and the inlet of the bypass pipe is connected with the refrigerant pipeline between the compressor and the first control valve; and a first one-way valve for preventing the refrigerant from flowing back to the heat recovery condenser is arranged at the outlet of the heat recovery condenser.
Preferably, a second control valve connected with the control device is arranged on the bypass pipe.
Preferably, the bypass line has a pipe diameter smaller than that of a refrigerant line between the heat recovery condenser and the compressor.
Preferably, the heat recovery condenser further comprises a first three-way valve, the first three-way valve is arranged at the connection of the bypass pipe and the refrigerant pipeline between the compressor and the heat recovery condenser, so as to control the refrigerant to flow to the bypass pipe or the heat recovery condenser.
Preferably, the heat recovery condenser is connected with the outdoor condenser in parallel, an inlet of the heat recovery condenser and an inlet of the outdoor condenser are respectively communicated with the compressor through refrigerant pipelines, and an outlet of the heat recovery condenser and an outlet of the outdoor condenser are respectively communicated with the liquid storage tank through refrigerant pipelines.
Preferably, the heat recovery system further comprises a third control valve and a fourth control valve, the third control valve is arranged on a refrigerant pipeline between an inlet of the heat recovery condenser and the compressor, the fourth control valve is arranged on a refrigerant pipeline between an inlet of the outdoor condenser and the compressor, and the third control valve and the fourth control valve are both connected with the control device.
Preferably, a second one-way valve is arranged on a refrigerant pipeline for communicating the outlet of the heat recovery condenser with the liquid storage tank, and a third one-way valve is arranged on a refrigerant pipeline for communicating the outlet of the outdoor condenser with the liquid storage tank.
Preferably, a second three-way valve is disposed between the compressor and the heat recovery condenser and between the compressor and the outdoor condenser, and the second three-way valve is used for controlling the refrigerant to flow to the heat recovery condenser or the outdoor condenser.
When using the utility model provides a condenser heat recovery system, at first, connect throttling arrangement, evaporimeter, compressor, condensing equipment, liquid storage pot in proper order, be connected liquid storage pot and throttling arrangement again to constitute closed loop. Then, the low-temperature low-pressure gas-liquid two-phase refrigerant enters the evaporator to absorb heat of the machine room for evaporation and then becomes low-temperature low-pressure gas, the low-temperature low-pressure gas becomes high-temperature high-pressure gas after being compressed by the compressor, then the low-temperature low-pressure gas enters the condensing device for heat release and condensation, the condensed high-temperature high-pressure liquid enters the liquid storage tank, and finally the high-temperature high-pressure liquid enters the evaporator for evaporation after being throttled by the throttling device, so that the circulation is continuous.
Because the control device can control the heat recovery condenser to normally operate or stop working, if the auxiliary room of the data machine room needs to be heated, the control device can control the heat recovery condenser to normally operate so as to release condensation heat into the auxiliary room, thereby realizing the reutilization of the condensation heat, avoiding the need of arranging additional heating equipment and finally effectively reducing the energy consumption; if the auxiliary room of the data machine room is not required to be heated, the heat recovery condenser can be controlled to stop running through the control device, and then the condensation operation of the refrigerant can be realized through the outdoor condenser, so that the heat recovery condenser can be effectively prevented from being in a heating state for a long time, and the service life of the device can be effectively prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a heat recovery condenser and an outdoor condenser of a condenser heat recovery system provided by the present invention when they are connected in series;
FIG. 2 is another schematic diagram of the heat recovery condenser and the outdoor condenser of the condenser heat recovery system in series;
FIG. 3 is a schematic diagram of the heat recovery condenser and the outdoor condenser of the condenser heat recovery system in parallel;
fig. 4 is another schematic diagram of the heat recovery condenser and the outdoor condenser of the condenser heat recovery system in parallel.
In fig. 1-4:
1 is a throttling device, 2 is an evaporator, 3 is a compressor, 4 is a liquid storage tank, 5 is a heat recovery condenser, 51 is a first control valve, 52 is a first check valve, 53 is a third control valve, 54 is a second check valve, 6 is an outdoor condenser, 61 is a fourth control valve, 62 is a third check valve, 7 is a bypass pipe, 71 is a second control valve, 8 is a first three-way valve, and 9 is a second three-way valve.
Detailed Description
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.
The core of the utility model is to provide a condenser heat recovery system, the heat of condensation when it can effectively recycle the computer lab refrigeration to on the heating operation in supplementary room, and this system operation is respond well, long service life, simple structure, the convenient operation of system.
Referring to fig. 1 to 4, fig. 1 is a schematic structural view illustrating a heat recovery condenser and an outdoor condenser of a heat recovery system of a condenser according to the present invention connected in series; FIG. 2 is another schematic diagram of the heat recovery condenser and the outdoor condenser of the condenser heat recovery system in series; FIG. 3 is a schematic diagram of the heat recovery condenser and the outdoor condenser of the condenser heat recovery system in parallel; fig. 4 is another schematic diagram of the heat recovery condenser and the outdoor condenser of the condenser heat recovery system in parallel.
This specific embodiment provides a condenser heat recovery system, is applicable to data center computer lab, includes: the system comprises a throttling device 1, an evaporator 2, a compressor 3, a condensing device, a liquid storage tank 4 and a control device, wherein the compressor 3, the condensing device, the liquid storage tank 4, the throttling device 1 and the evaporator 2 are sequentially communicated through a refrigerant pipeline, and the evaporator 2 is communicated with the compressor 3 so as to facilitate the cyclic utilization of the refrigerant; condensing equipment includes heat recovery condenser 5 and outdoor condenser 6, and heat recovery condenser 5 and outdoor condenser 6 all communicate with compressor 3, and heat recovery condenser 5 is located indoor in order to heat indoor, and controlling means is connected with heat recovery condenser 5 to control heat recovery condenser 5 and begin or stop work.
It should be noted that the throttling device 1, the evaporator 2, the compressor 3, the liquid storage tank 4 and the like are arranged in the data room to perform heat dissipation and cooling operations on the data room. And a condensing means may be provided in the subsidiary room to perform a heating operation for the subsidiary room according to actual circumstances.
Preferably, the throttling device 1 can be set as an electronic expansion valve, the electronic expansion valve overcomes the defects of slow signal feedback, low control precision, narrow adjustment range and the like of a thermostatic expansion valve, and conditions are provided for intelligent control of a refrigerating device.
In addition, it should be noted that, when the auxiliary room needs to be heated in a season with a lower temperature, the control device may control the heat recovery condenser 5 to normally operate, so that the heat recovery condenser 5 uses the condensation heat for heating the auxiliary room, thereby effectively reducing energy consumption. When the auxiliary room is not heated in a season of higher temperature, the control device can control the heat recovery condenser 5 to stop working and realize the condensing operation of the refrigerant through the outdoor condenser 6, so as to prevent the heat recovery condenser 5 from being damaged due to long-term operation.
In the actual application process, the structures, shapes, sizes, models, positions and the like of the throttling device 1, the evaporator 2, the compressor 3, the condensing device, the liquid storage tank 4 and the control device can be determined according to actual conditions and actual requirements.
When using the utility model provides a condenser heat recovery system, at first, connect gradually throttling arrangement 1, evaporimeter 2, compressor 3, condensing equipment, liquid storage pot 4, be connected liquid storage pot 4 and throttling arrangement 1 again to constitute closed circuit. Then, the low-temperature low-pressure gas-liquid two-phase refrigerant enters the evaporator 2 to absorb heat of the machine room for evaporation and then becomes low-temperature low-pressure gas, the low-temperature low-pressure gas is compressed by the compressor 3 and then becomes high-temperature high-pressure gas, then the high-temperature low-pressure gas enters the condensing device for heat release and condensation, the condensed high-temperature high-pressure liquid enters the liquid storage tank 4, and finally the high-temperature high-pressure liquid enters the evaporator 2 for evaporation after being throttled by the throttling device 1, and the process is repeated.
Because the control device can control the heat recovery condenser 5 to normally operate or stop working, if the auxiliary room of the data machine room needs to be heated, the control device can control the heat recovery condenser 5 to normally operate to release condensation heat into the auxiliary room, so that the condensation heat is recycled, additional heating equipment is not needed, and finally, the energy consumption can be effectively reduced; if the auxiliary room of the data machine room is not required to be heated, the heat recovery condenser 5 can be controlled to stop running through the control device, and then the condensation operation of the refrigerant can be realized through the outdoor condenser 6, so that the heat recovery condenser 5 can be effectively prevented from being in a heating state for a long time, and the service life of the device can be effectively prolonged.
In addition, this device still is equipped with liquid storage pot 4, and it can ensure that the system is difficult for appearing the starvation phenomenon when switching heat recovery mode, also can effectively guarantee the normal operating of system.
To sum up, the utility model provides a condensation heat when condenser heat recovery system can effectively recycle the computer lab refrigeration to on the heating operation in supplementary room, and this system operation is respond well, long service life, simple structure, the convenient operation of system.
In addition to the above-mentioned embodiments, it is preferable that the heat recovery condenser 5 is connected in series with the outdoor condenser 6, the heat recovery condenser 5 is located between the outdoor condenser 6 and the compressor 3, the compressor 3 is communicated with an inlet of the outdoor condenser 6 through a bypass pipe 7, and an outlet of the outdoor condenser 6 is communicated with the liquid storage tank 4.
Preferably, the system further comprises a first control valve 51 connected with the control device, the first control valve 51 is arranged on a refrigerant pipeline between the heat recovery condenser 5 and the compressor 3, and the inlet of the bypass pipe 7 is connected with the refrigerant pipeline between the compressor 3 and the first control valve 51; the outlet of the heat recovery condenser 5 is provided with a first check valve 52 for preventing the refrigerant from flowing back to the heat recovery condenser 5.
Preferably, the bypass pipe 7 is provided with a second control valve 71 for connection to a control device.
Preferably, the pipe diameter of the bypass pipe 7 is smaller than the pipe diameter of the refrigerant line between the heat recovery condenser 5 and the compressor 3.
It should be noted that when there is no heating demand in the auxiliary room, i.e. the condenser heat recovery system is in cooling mode, the control device can control the first control valve 51 to be closed and the second control valve 71 to be opened, and the refrigerant will not flow through the heat recovery condenser 5. The throttling device 1, the evaporator 2, the compressor 3, the bypass pipe 7, the second control valve 71, the outdoor condenser 6 and the liquid storage tank 4 are sequentially connected and form a closed loop with a connecting pipe. At the moment, the low-temperature low-pressure gas-liquid two-phase refrigerant can enter the evaporator 2 and absorb the heat of the data machine room to be evaporated to be changed into low-temperature low-pressure gas, the low-temperature low-pressure gas is compressed by the compressor 3 to be changed into high-temperature high-pressure gas, the high-temperature high-pressure gas enters the outdoor condenser 6 through the bypass pipe 7 to be condensed to release heat, the condensed high-temperature high-pressure liquid enters the liquid storage tank 4 and then enters the evaporator 2 to be evaporated after being throttled by the throttling device 1, and the circulation is continued.
It should be noted that when the auxiliary room needs heating, that is, the condenser heat recovery system is in the heat recovery mode, the control device can control the first control valve 51 to be opened and the second control valve 71 to be closed, and the refrigerant can flow through the heat recovery condenser 5 and the outdoor condenser 6 in sequence. The throttling device 1, the evaporator 2, the compressor 3, the first control valve 51, the heat recovery condenser 5, the outdoor condenser 6 and the liquid storage tank 4 are sequentially connected and form a closed loop with a connecting pipe. At the moment, a low-temperature low-pressure gas-liquid two-phase refrigerant can enter the evaporator 2 and absorb heat of the data machine room to be evaporated to be low-temperature low-pressure gas, the low-temperature low-pressure gas is compressed by the compressor 3 to be high-temperature high-pressure gas, the high-temperature high-pressure gas enters the heat recovery condenser 5 and releases the condensed heat to an auxiliary room to be heated, the condensed high-temperature high-pressure liquid enters the outdoor condenser 6 and then enters the liquid storage tank 4, then the refrigerant in the liquid storage tank 4 enters the evaporator 2 to be evaporated after being throttled by the throttling device 1, and the circulation is continuous.
It should be further noted that when the auxiliary room needs to be heated, the control device can control the first control valve 51 to be opened and the second control valve 71 to be closed, so that the high-temperature and high-pressure refrigerant flows through the heat recovery condenser 5 to heat the auxiliary room, and the condensed refrigerant also flows through the outdoor condenser 6; and when the subsidiary room temperature reaches the set temperature, the control means may control the first control valve 51 to be closed and the second control valve 71 to be opened, so that the high-temperature and high-pressure refrigerant gas enters the outdoor condenser 6 through the bypass pipe 7 to be condensed.
Preferably, the first check valve 52 is provided at the outlet of the heat recovery condenser 5 to prevent the refrigerant from flowing back to the heat recovery condenser 5, which may affect the use effect and the service life of the heat recovery condenser 5.
In the actual operation process, the structure, model, size, material, position, etc. of the outdoor condenser 6, the bypass pipe 7, the first control valve 51, the second control valve 71, and the first check valve 52 can be determined according to the actual situation and the actual requirements.
In addition, in actual operation, if the heat recovery amount of the heat recovery condenser 5 provided in the auxiliary room is small, the second control valve 71 of the bypass pipe 7 may be eliminated so that a part of the refrigerant flows through the heat recovery condenser 5 to heat the auxiliary room.
On the basis of the above embodiment, it is preferable that a first three-way valve 8 is further included, and the first three-way valve 8 is provided at a connection of the bypass pipe 7 and the refrigerant pipe between the compressor 3 and the heat recovery condenser 5 to control the flow of the refrigerant to the bypass pipe 7 or the heat recovery condenser 5.
Preferably, a first check valve 52 for preventing the refrigerant from flowing back to the heat recovery condenser 5 may be provided at the outlet of the heat recovery condenser 5, and the outlet of the bypass pipe 7 may be connected to a connection passage between the outlet of the first check valve 52 and the inlet of the outdoor condenser 6.
The operation of the present embodiment is the same as the operation of the heat recovery condenser 5 and the outdoor condenser 6 in series. It is understood that the first control valve 51 and the second control valve 71 are combined into one first three-way valve 8, and an inlet of the first three-way valve 8 is connected to the discharge pipe of the compressor 3, and two outlets of the first three-way valve 8 are connected to an inlet of the heat recovery condenser 5 and an inlet of the bypass pipe 7, respectively. The two-way valves are combined into one three-way valve, so that the pipeline can be effectively simplified, and the operation control amount is reduced. The control means may control the first three-way valve 8 to control the flow of refrigerant to the bypass 7 or the heat recovery condenser 5.
The shape, structure, material, position, type, etc. of the first three-way valve 8 can be determined in the actual application process according to the actual situation and the actual demand.
In addition to the above-described embodiments, it is preferable that the heat recovery condenser 5 is connected in parallel to the outdoor condenser 6, an inlet of the heat recovery condenser 5 and an inlet of the outdoor condenser 6 are respectively communicated with the compressor 3 through refrigerant pipes, and an outlet of the heat recovery condenser 5 and an outlet of the outdoor condenser 6 are respectively communicated with the accumulator 4 through refrigerant pipes.
Preferably, the heat recovery condenser further comprises a third control valve 53 and a fourth control valve 61, the third control valve 53 is arranged on a refrigerant pipeline between the inlet of the heat recovery condenser 5 and the compressor 3, the fourth control valve 61 is arranged on a refrigerant pipeline between the inlet of the outdoor condenser 6 and the compressor 3, and the third control valve 53 and the fourth control valve 61 are both connected with the control device.
Preferably, a second check valve 54 is arranged on a refrigerant pipeline for communicating the outlet of the heat recovery condenser 5 with the liquid storage tank 4, and a third check valve 62 is arranged on a refrigerant pipeline for communicating the outlet of the outdoor condenser 6 with the liquid storage tank 4.
In this embodiment, when there is no heating demand in the auxiliary room, i.e. the condenser heat recovery system is in cooling mode, the control device can control the third control valve 53 to be closed and the fourth control valve 61 to be opened, and the refrigerant will not flow through the heat recovery condenser 5. The throttling device 1, the evaporator 2, the compressor 3, the fourth control valve 61, the outdoor condenser 6 and the liquid storage tank 4 are sequentially connected, and form a closed loop with a connecting pipe. At the moment, the low-temperature low-pressure gas-liquid two-phase refrigerant enters the evaporator 2 and absorbs heat of the machine room to evaporate to become low-temperature low-pressure gas, the low-temperature low-pressure gas is compressed by the compressor 3 to become high-temperature high-pressure gas, the high-temperature high-pressure gas enters the outdoor condenser 6 through the fourth control valve 61 to be subjected to heat release condensation, the condensed high-temperature high-pressure liquid enters the liquid storage tank 4, and the high-temperature high-pressure liquid enters the evaporator 2 to evaporate after being throttled by the throttling device 1, so that the circulation is continuous.
When the auxiliary room is in need of heating, i.e. the condenser heat recovery system is in heat recovery mode, the control device can control the third control valve 53 to be opened and the fourth control valve 61 to be closed, and the refrigerant will flow through the heat recovery condenser 5. The throttling device 1, the evaporator 2, the compressor 3, the third control valve 53, the heat recovery condenser 5 and the liquid storage tank 4 are sequentially connected, and form a closed loop with a connecting pipe. At the moment, a low-temperature low-pressure gas-liquid two-phase refrigerant enters the evaporator 2 and absorbs heat of the machine room to evaporate to form low-temperature low-pressure gas, the low-temperature low-pressure gas is compressed by the compressor 3 to form high-temperature high-pressure gas, the high-temperature high-pressure gas enters the heat recovery condenser 5 and releases condensed heat to an auxiliary room to be heated, the condensed high-temperature high-pressure liquid enters the liquid storage tank 4, and the high-temperature high-pressure liquid enters the evaporator 2 to evaporate after being throttled by the throttling device 1, so that the circulation is continuous.
It should be further noted that when the auxiliary room needs to be heated, the control device can control the third control valve 53 to be opened and the fourth control valve 61 to be closed, so that the high-temperature and high-pressure refrigerant flows through the heat recovery condenser 5 to heat the auxiliary room; and when the subsidiary room temperature reaches the set temperature, the control means may control the third control valve 53 to be closed and the fourth control valve 61 to be opened, so that the high-temperature and high-pressure refrigerant gas flows through the outdoor condenser 6 to be condensed. In order to prevent the refrigerant from flowing backward, it is necessary to provide a second check valve 54 and a third check valve 62 at the outlets of the heat recovery condenser 5 and the outdoor condenser 6, respectively.
In the actual operation process, the structure, model, size, material, position, etc. of the third control valve 53, the fourth control valve 61, the second check valve 54, and the third check valve 62 can be determined according to the actual situation and the actual requirement.
In addition to the above-described embodiment, it is preferable that a second three-way valve 9 is provided between the compressor 3 and the heat recovery condenser 5 and the outdoor condenser 6, and the second three-way valve 9 is used to control the flow of the refrigerant to the heat recovery condenser 5 or the outdoor condenser 6.
Preferably, a second check valve 54 for preventing the refrigerant from flowing back to the heat recovery condenser 5 may be provided at the outlet of the heat recovery condenser 5, and a third check valve 62 for preventing the refrigerant from flowing back to the outdoor condenser 6 may be provided at the outlet of the outdoor condenser 6.
The operation of the present embodiment is the same as the operation of the heat recovery condenser 5 and the outdoor condenser 6 connected in parallel. That is, the third control valve 53 and the fourth control valve 61 are combined into one second three-way valve 9, an inlet of the second three-way valve 9 is connected to the discharge pipe of the compressor 3, and two outlets of the second three-way valve 9 are connected to an inlet of the heat recovery condenser 5 and an inlet of the bypass pipe 7, respectively. The two-way valves are combined into one three-way valve, so that the pipeline can be effectively simplified, and the operation control amount is reduced. The control means may control the flow of the refrigerant to the heat recovery condenser 5 or the outdoor condenser 6 by controlling the second three-way valve 9.
In the actual application process, the shape, structure, material, position, type and the like of the second three-way valve 9 can be determined according to the actual situation and the actual requirement.
Preferably, the liquid storage tank 4 is arranged on a connecting passage of the outdoor condenser 6 and the throttling device 1 and is arranged close to one side of the data machine room.
It should be added that the liquid storage tank 4 may be disposed behind the outdoor condenser 6 and in front of the throttling device 1, where the front and the rear are referred to the flow direction of the refrigerant, and the liquid storage tank 4 is in front of the throttling device 1 and behind the outdoor condenser 6, that is, the refrigerant flows through the outdoor condenser 6, enters the liquid storage tank 4, and then enters the throttling device 1. The liquid storage tank 4 is arranged at one side close to the data machine room, so that the recycling of the refrigerant is facilitated.
The utility model provides a condenser heat recovery system can effectual recovery computer lab air conditioning system condensation heat to be used for this condensation heat to heat the supplementary room that needs the heating, greatly improved energy utilization and rateed, reduced power consumption. In summer, when the auxiliary room does not need heating operation, the system can be adjusted to a cooling mode, so that the refrigerant does not flow through the heat recovery condenser 5 and does not heat the auxiliary room, thereby preventing the heat recovery condenser 5 from being damaged due to long-term operation.
It should be noted that the first control valve 51, the second control valve 71, the third control valve 53, and the fourth control valve 61 are on-off valves, regulating valves, or electromagnetic valves.
In the embodiment, if the control valves are all set as the switch valves, the control valves can have stronger economic applicability; if the control valve is set as the regulating valve, the heat recovery heat can be controlled by regulating the flow of the refrigerant, so that the running state of the valve can be fed back in real time; if the control valve is set as the electromagnetic valve, the switching speed of the control valve can be effectively improved. Therefore, the types of the first control valve 51, the second control valve 71, the third control valve 53 and the fourth control valve 61 can be determined according to actual conditions and actual requirements during actual operation.
It should be noted that, in the present document, the first control valve 51, the second control valve 71, the third control valve 53, the fourth control valve 61, the first three-way valve 8, the second three-way valve 9, the first check valve 52, the second check valve 54, and the third check valve 62 are mentioned, wherein the first, the second, and the third are only for distinguishing the position differences and are not sequentially distinguished.
It should be noted that the directions and positional relationships indicated by the "front" and "rear" in the present application are based on the directions and positional relationships shown in the drawings, and are only for the convenience of simplifying the description and facilitating the understanding, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed in a specific direction and operate, and thus, should not be construed as limiting the present invention.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.
It is right above that the utility model provides a condenser heat recovery system has carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a condenser heat recovery system, is applicable to data center computer lab, its characterized in that includes: the refrigeration system comprises a throttling device (1), an evaporator (2), a compressor (3), a condensing device, a liquid storage tank (4) and a control device, wherein the compressor (3), the condensing device, the liquid storage tank (4), the throttling device (1) and the evaporator (2) are sequentially communicated through a refrigerant pipeline, and the evaporator (2) is communicated with the compressor (3) so as to facilitate the cyclic utilization of refrigerant;
condensing equipment includes heat recovery condenser (5) and outdoor condenser (6), heat recovery condenser (5) with outdoor condenser (6) all with compressor (3) intercommunication, heat recovery condenser (5) are located indoor in order to heat indoor, controlling means with heat recovery condenser (5) are connected, in order to control heat recovery condenser (5) begin or stop work.
2. Condenser heat recovery system according to claim 1, characterized in that the heat recovery condenser (5) is in series with the outdoor condenser (6), the heat recovery condenser (5) being located between the outdoor condenser (6) and the compressor (3), and the compressor (3) being in communication with the inlet of the outdoor condenser (6) through a bypass pipe (7), the outlet of the outdoor condenser (6) being in communication with the liquid storage tank (4).
3. The condenser heat recovery system according to claim 2, further comprising a first control valve (51) connected to the control device, the first control valve (51) being provided on the refrigerant line between the heat recovery condenser (5) and the compressor (3), and the bypass pipe (7) inlet being connected to the refrigerant line of the compressor (3) and the first control valve (51); the outlet of the heat recovery condenser (5) is provided with a first one-way valve (52) for preventing the refrigerant from flowing back to the heat recovery condenser (5).
4. The condenser heat recovery system according to claim 3, characterized in that the bypass pipe (7) is provided with a second control valve (71) for connection with the control device.
5. The condenser heat recovery system according to claim 3, characterized in that the bypass line (7) has a smaller tube diameter than the refrigerant line between the heat recovery condenser (5) and the compressor (3).
6. The condenser heat recovery system according to claim 2, further comprising a first three-way valve (8), the first three-way valve (8) being provided at a connection of the bypass line (7) to the refrigerant line between the compressor (3) and the heat recovery condenser (5) to control a flow of refrigerant to the bypass line (7) or the heat recovery condenser (5).
7. The condenser heat recovery system according to claim 1, wherein the heat recovery condenser (5) is connected in parallel with the outdoor condenser (6), an inlet of the heat recovery condenser (5) and an inlet of the outdoor condenser (6) are respectively communicated with the compressor (3) through refrigerant lines, and an outlet of the heat recovery condenser (5) and an outlet of the outdoor condenser (6) are respectively communicated with the liquid storage tank (4) through refrigerant lines.
8. The condenser heat recovery system according to claim 7, further comprising a third control valve (53) and a fourth control valve (61), the third control valve (53) being provided on the refrigerant line between the inlet of the heat recovery condenser (5) and the compressor (3), the fourth control valve (61) being provided on the refrigerant line between the inlet of the outdoor condenser (6) and the compressor (3), the third control valve (53) and the fourth control valve (61) being connected to the control means.
9. The condenser heat recovery system according to claim 8, wherein a second check valve (54) is provided on a refrigerant line communicating an outlet of the heat recovery condenser (5) with the liquid storage tank (4), and a third check valve (62) is provided on a refrigerant line communicating an outlet of the outdoor condenser (6) with the liquid storage tank (4).
10. The condenser heat recovery system according to claim 7, characterized in that a second three-way valve (9) is arranged between the compressor (3) and the heat recovery condenser (5) and the outdoor condenser (6), the second three-way valve (9) being used to control the flow of refrigerant to the heat recovery condenser (5) or the outdoor condenser (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021454589.XU CN213020428U (en) | 2020-07-21 | 2020-07-21 | Condenser heat recovery system |
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| CN113324355A (en) * | 2021-07-19 | 2021-08-31 | 深圳市英威腾网能技术有限公司 | Refrigerant recovery device and air conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113324355A (en) * | 2021-07-19 | 2021-08-31 | 深圳市英威腾网能技术有限公司 | Refrigerant recovery device and air conditioning system |
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