CN216644616U - Energy-saving dehumidification thermoregulation return circuit - Google Patents
Energy-saving dehumidification thermoregulation return circuit Download PDFInfo
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- CN216644616U CN216644616U CN202122923766.5U CN202122923766U CN216644616U CN 216644616 U CN216644616 U CN 216644616U CN 202122923766 U CN202122923766 U CN 202122923766U CN 216644616 U CN216644616 U CN 216644616U
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Abstract
The utility model relates to the technical field of cooling equipment, and discloses an energy-saving dehumidification temperature-regulating loop, which comprises a refrigerating unit, the refrigerating unit comprises a compressor, a condenser, an evaporator and an expansion valve, wherein high-temperature and high-pressure gas generated by compression of the compressor is radiated by the condenser to form medium-temperature and high-pressure gas, the medium-temperature and high-pressure gas is throttled by the expansion valve to form low-temperature and low-pressure wet steam, then enters the evaporator which is externally connected with a heat pump dehumidification loop to achieve the effects of temperature adjustment and dehumidification, the discharge pipe of the compressor is filled with high-temperature and high-pressure gas, the discharge pipe of the compressor is surrounded by liquid in the heat pump dehumidification loop before being connected with the condenser, and the liquid absorbs the high temperature emitted by the discharge pipe of the compressor, and the low-temperature steam in the evaporator is subjected to temperature rise regulation by virtue of the high temperature.
Description
Technical Field
The utility model relates to the technical field of cooling equipment, in particular to an energy-saving dehumidification and temperature regulation loop.
Background
The existing refrigerating unit generally comprises a compressor, a condenser, an evaporator and an expansion valve, wherein the compressor compresses to generate high-temperature high-pressure gas, the high-temperature high-pressure gas is cooled by the condenser and gasified by the expansion valve to become low-temperature low-pressure gas and then reaches the evaporator, the working principle of the refrigerating unit is to provide a normal-low-temperature-normal-temperature circulating process so as to cool air, and in the actual application situation, the temperature of the gas which just enters the evaporator is usually low, which can cause the temperature of indoor air to excessively drop suddenly, so that some evaporators can be connected with a heat pump dehumidification loop to raise the temperature of the gas in the evaporators to a proper range, extra heat needs to be adopted in the middle, and the energy consumption of the whole refrigerating unit is larger.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides an energy-saving dehumidification temperature-regulating loop, which reasonably applies heat generated by a refrigerating unit in a circulation process to the heating and dehumidification operation of an evaporator so as to improve the energy utilization rate of the refrigerating unit.
The technical effect to be achieved by the utility model is realized by the following technical scheme:
the utility model provides an energy-saving dehumidification loop that adjusts temperature, includes refrigerating unit, refrigerating unit includes compressor, condenser, evaporimeter and expansion valve, the high-pressure gas of high temperature that the compressor compression generated, process form medium temperature high-pressure gas after the condenser heat dissipation, medium temperature high-pressure gas passes through become low temperature low pressure wet steam after the expansion valve throttle, then get into the evaporimeter, the evaporimeter is externally connected with heat pump dehumidification return circuit in order to reach and adjust the temperature and dehumidify the effect, it has high temperature high-pressure gas to fill in the discharge tube of compressor, the compressor discharge tube is connecting before the condenser by liquid in the heat pump dehumidification return circuit surrounds, liquid absorbs the high temperature that the compressor discharge tube gived off to thereby the low temperature steam in the evaporimeter adjusts in the intensification.
Preferably, the evaporator adopts a shell-and-tube structure, and comprises an evaporation shell and an evaporation copper tube which is positioned in the evaporation shell and has a circuitous trend, wherein the shell wall of the evaporation shell is respectively provided with a liquid feeding port, an air return tube, a water inlet and a water outlet in a penetrating way, pipe orifices at two ends of the copper tube are respectively communicated with the liquid feeding port and the air return tube and used for circulating steam, the water inlet and the water outlet are communicated with a heat pump dehumidification loop, and liquid in the heat pump dehumidification loop is filled in the evaporation shell and surrounds the evaporation copper tube, so that the temperature of the steam in the evaporation copper tube is adjusted.
Preferably, the heat exchanger comprises a heat exchange shell and a heat exchange copper pipe positioned in the heat exchange shell; the heat exchange copper pipe penetrates through the shell wall of the heat exchange shell, an inlet of the heat exchange copper pipe is connected with a discharge pipe of the compressor, an outlet of the heat exchange copper pipe is connected with the condenser, and high-temperature and high-pressure gas generated by the compressor is filled in the heat exchange copper pipe; the interior of the heat exchange shell is communicated with the heat pump dehumidification loop, and liquid of the heat pump dehumidification loop flows through the heat exchanger and absorbs high temperature emitted by the heat exchange copper pipe.
Preferably, the heat pump dehumidification loop comprises a pressure gauge, a valve, a hot water pump and a pipeline system, and the pipeline system is connected with the water inlet and the water outlet of the evaporator.
Preferably, the heat exchanger is disposed between the evaporator and the hot water pump.
Preferably, the hot water pumps are in a redundant design, the number of the hot water pumps is two, the hot water pumps are connected in parallel, and electric shutoff valves are arranged at inlets of the hot water pumps.
Preferably, the condenser is communicated with a cold water loop.
Preferably, the parameters of the high-temperature high-pressure gas are 80 ℃ and 0.75 MPa; the parameters of the medium-temperature high-pressure gas are 80 ℃ and 0.75 MPa; the parameters of the low-temperature low-pressure refrigerant gas are 7 ℃ and 0.4 MPa; the parameters of the low-temperature low-pressure refrigerant after temperature adjustment of the heat pump dehumidification loop are 12 ℃ and 0.4 MPa.
Compared with the prior art, the utility model has the beneficial effects that:
the high-temperature high-pressure gas generated by the compressor is guided to the heat pump dehumidification loop, the heat which is originally processed in the circulation process of the refrigerating unit is skillfully utilized, the heat is used as a heating source of the evaporator and reasonably applied to the heating and dehumidification loop of the evaporator, and the energy utilization rate of the refrigerating unit is improved; the heat exchanger structure is preferably adopted for energy collection, heat is guided into a copper pipe of the heat exchanger, liquid of the heat pump dehumidification loop penetrates through the inside of a shell of the heat exchanger, heat transfer can be completed by adopting heat exchanger pieces commonly used in the industry, materials are easy to obtain, and the realization is convenient; in addition, high-temperature and high-pressure gas after heat transfer and the trend of the circuitous copper pipe is changed into medium-temperature and medium-pressure gas, can be guided into the condenser to continuously work, and does not influence the normal operation of the refrigerating unit.
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 embodiments or the prior art descriptions 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 diagram of the system of the present embodiment;
FIG. 2 is a schematic connection diagram of a condenser, an evaporator and a heat exchanger according to the present embodiment;
in the figure, 1-compressor; 2-a condenser; 3-an expansion valve; 4-an evaporator; 41-an evaporation shell; 42-evaporating copper tubes; 43-a liquid feeding port; 44-air return pipe; 45-water inlet; 46-a water outlet; 5-a heat pump dehumidification loop; 51-pressure gauge; 52-a valve; 53-hot water pump; 54-a pipe system; 55-an electric shut-off valve; 6-a heat exchanger; 61-a heat exchange housing; 62-heat exchange copper pipe; 7-a discharge pipe; 8-cold water circuit; 81-surface cooler; 82-water pump.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, the embodiment provides an energy-saving dehumidification and temperature regulation loop, which includes a refrigeration unit, where the refrigeration unit includes four major components, i.e., a compressor 1, a condenser 2, an expansion valve 3, and an evaporator 4, the compressor 1 sucks and compresses low-temperature and low-pressure refrigerant gas to generate high-temperature and high-pressure gas, the high-temperature and high-pressure gas is radiated by the condenser 2 to form medium-temperature and high-pressure gas, and the medium-temperature and high-pressure gas is throttled by the expansion valve 3 to become low-temperature and low-pressure wet steam and then enters the evaporator 4.
In order to adjust the temperature of the gas in the evaporator 4, avoid the temperature of the condensed steam which just enters the evaporator 4 from being too low, and avoid the humidity of the condensed steam from being too high, the evaporator 4 is connected with a heat pump dehumidification loop 5, the heat pump dehumidification loop 5 is provided with a heating part and a hot water pump, and is used for heating and circularly flowing the liquid in a loop pipeline, absorbing the low temperature of the wet steam in the evaporator 4 by using the circulating liquid with relatively high temperature, and promoting the moisture evaporation of the wet steam by using the heat of the liquid, so as to adjust and humidify the steam in the evaporator 4.
Specifically, the heating source of the heat pump dehumidification loop 5 is the high-temperature high-pressure gas generated by the compressor 1, in this embodiment, the high-temperature high-pressure gas is guided to the heat pump dehumidification loop 5, the liquid in the loop firstly carries the low temperature of the steam in the evaporator 4, then absorbs the temperature of the high-temperature high-pressure gas to become relatively medium temperature, and then returns to the evaporator 4 again to drive the steam in the evaporator 4 to carry out appropriate temperature rise.
Referring to fig. 2, in this embodiment, the evaporator 4 preferably adopts a tube-shell structure, the evaporator 4 includes an evaporation shell 41 and a circuitous evaporation copper tube 42 located in the evaporation shell 41, a liquid supply port 43, an air return tube 44, a water inlet 45 and a water outlet 46 respectively penetrate through a shell wall of the evaporation shell 41, pipe orifices at two ends of the evaporation copper tube 42 are respectively communicated with the liquid supply port 43 and the air return tube 44 for circulating low-temperature and low-pressure wet steam, the water inlet 45 and the water outlet 46 are communicated with the heat pump dehumidification loop 5, and liquid in the heat pump dehumidification loop 5 fills the inside of the evaporation shell 41 and surrounds the evaporation copper tube 42, so as to adjust temperature of the steam in the evaporation copper tube 42.
With reference to fig. 2, the heat pump dehumidification circuit 5 includes a heat exchanger 6, and in this embodiment, a shell-and-tube heat exchanger is preferably adopted, where the heat exchanger 6 includes a heat exchange shell 61 and a heat exchange copper pipe 62 located in the heat exchange shell 61; the heat exchange copper pipe 62 penetrates through the wall of the heat exchange shell 61, the inlet of the heat exchange copper pipe 62 is connected with the discharge pipe 7 of the compressor, and the outlet of the heat exchange copper pipe 62 is connected with the condenser 2, so that the heat exchange copper pipe 62 is filled with high-temperature and high-pressure gas generated by the compressor 1, and the heat exchange copper pipe 62 can be regarded as a gas passage of the compressor 1 communicated with the condenser 2; the shell cavity of the heat exchange shell 61 is communicated with the heat pump dehumidification loop 5, so that the liquid in the heat pump dehumidification loop 5 flows through the outer wall of the heat exchange copper pipe 62. In overview, the liquid of the heat pump dehumidification circuit 5 flows through the heat exchanger 6 and absorbs the high temperature emitted by the heat exchange copper pipe 62, thus extracting the temperature of the gas generated by the compressor 1.
In the above, the heat pump dehumidification circuit 5 includes a pressure gauge 51, a valve 52, a hot water pump 53, and a piping system 54. According to the above temperature regulation principle, the heat exchanger 6 should be arranged between the evaporator 4 and the hot water pump 53. The two ends of the pipeline system 54 are respectively connected with the water inlet 45 and the water outlet 46 of the evaporator 4, and the middle part is connected with the pressure gauge 51, the valve 52, the heat exchanger 6, the hot water pump 53 and other devices, so that the heat pump dehumidification loop 5 is communicated with the shell cavity of the evaporation shell 41 and the heat exchanger 6.
The hot water pumps 53 are designed redundantly, one is used for one, and the other is arranged for one, two hot water pumps 53 are connected in parallel, an electric shutoff valve 55 is arranged at the inlet of each hot water pump 53, only one hot water pump 53 is started under normal conditions, and the other hot water pump 53 is started when the hot water pump is in failure, so that the continuous operation of the heat pump dehumidification loop 5 is ensured, and continuous temperature regulation and dehumidification treatment is performed on low-temperature low-pressure wet steam.
Besides, the condenser 2 is externally communicated with a cold water loop 8, the cold water loop comprises a surface air cooler 81, a water pump 82 and other devices, and the condensation of the medium-temperature high-pressure gas into low-temperature low-pressure liquid is promoted by continuously introducing a cooling liquid with a low temperature into the condenser 2.
Finally, the temperature and pressure values of the gas at each stage in the technical scheme are replaced, and the parameters of the high-temperature high-pressure gas are 80 ℃ and 0.75 MPa; the parameters of the medium-temperature high-pressure gas are 80 ℃ and 0.75 MPa; the parameters of the low-temperature low-pressure refrigerant gas are 7 ℃ and 0.4 MPa; the parameters of the low-temperature low-pressure refrigerant after temperature adjustment of the heat pump dehumidification loop are 12 ℃ and 0.4 MPa.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the utility model, and these embodiments are still within the scope of the utility model.
Claims (8)
1. The utility model provides an energy-saving dehumidification loop that adjusts temperature, includes refrigerating unit, refrigerating unit includes compressor, condenser, evaporimeter and expansion valve, the high-pressure gas of high temperature that the compressor compression generated passes through form medium temperature high-pressure gas behind the condenser heat dissipation, medium temperature high-pressure gas passes through become low temperature low pressure wet steam after the expansion valve throttle, then get into the evaporimeter, the evaporimeter is externally connected with heat pump dehumidification return circuit in order to reach and adjust the temperature and dehumidify the effect, a serial communication port, it has high temperature high-pressure gas to fill in the discharge tube of compressor, the compressor discharge tube is connecting before the condenser quilt liquid in the heat pump dehumidification return circuit surrounds, liquid absorbs the high temperature that the compressor discharge tube gived off to borrow this high temperature to carry out the intensification regulation to the low temperature steam in the evaporimeter.
2. The energy-saving dehumidification and temperature regulation loop of claim 1, wherein the evaporator is of a shell-and-tube structure and comprises an evaporation shell and a circuitous evaporation copper tube located in the evaporation shell, a liquid supply port, an air return tube, a water inlet and a water outlet are respectively formed in a shell wall of the evaporation shell, pipe orifices at two ends of the copper tube are respectively communicated with the liquid supply port and the air return tube and are used for circulating steam, the water inlet and the water outlet are communicated with the heat pump dehumidification loop, and liquid in the heat pump dehumidification loop fills the inside of the evaporation shell and surrounds the evaporation copper tube, so that temperature of the steam in the evaporation copper tube is regulated.
3. The energy-saving dehumidification and temperature regulation loop of claim 2, comprising a heat exchanger, wherein the heat exchanger comprises a heat exchange shell and a heat exchange copper pipe positioned in the heat exchange shell; the heat exchange copper pipe penetrates through the shell wall of the heat exchange shell, an inlet of the heat exchange copper pipe is connected with a discharge pipe of the compressor, an outlet of the heat exchange copper pipe is connected with the condenser, and high-temperature and high-pressure gas generated by the compressor is filled in the heat exchange copper pipe; the interior of the heat exchange shell is communicated with the heat pump dehumidification loop, and liquid of the heat pump dehumidification loop flows through the heat exchanger and absorbs high temperature emitted by the heat exchange copper pipe.
4. The energy-saving dehumidification and temperature regulation loop of claim 3, wherein the heat pump dehumidification loop comprises a pressure gauge, a valve, a hot water pump and a pipe system, and the pipe system is connected with the water inlet and the water outlet of the evaporator.
5. An energy efficient dehumidification and temperature regulation loop as claimed in claim 4, wherein said heat exchanger is disposed between said evaporator and said hot water pump.
6. The energy-saving dehumidification and temperature regulation loop of claim 4, wherein the number of the hot water pumps is two due to a redundant design, the hot water pumps are connected in parallel, and an electric shutoff valve is arranged at the inlet of each hot water pump.
7. The energy-saving dehumidification and temperature regulation loop of claim 1, wherein the condenser is externally communicated with a cold water loop.
8. The energy-saving dehumidification and temperature regulation loop of claim 1, wherein the parameters of the high-temperature high-pressure gas are 80 ℃ and 0.75 MPa; the parameters of the medium-temperature high-pressure gas are 80 ℃ and 0.75 MPa; the parameters of the low-temperature low-pressure refrigerant gas are 7 ℃ and 0.4 MPa; the parameters of the low-temperature low-pressure refrigerant after temperature adjustment of the heat pump dehumidification loop are 12 ℃ and 0.4 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122923766.5U CN216644616U (en) | 2021-11-26 | 2021-11-26 | Energy-saving dehumidification thermoregulation return circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122923766.5U CN216644616U (en) | 2021-11-26 | 2021-11-26 | Energy-saving dehumidification thermoregulation return circuit |
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| Publication Number | Publication Date |
|---|---|
| CN216644616U true CN216644616U (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122923766.5U Active CN216644616U (en) | 2021-11-26 | 2021-11-26 | Energy-saving dehumidification thermoregulation return circuit |
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| CN (1) | CN216644616U (en) |
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2021
- 2021-11-26 CN CN202122923766.5U patent/CN216644616U/en active Active
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