CN212409338U - Dual-purpose air source heat pump circulation system - Google Patents
Dual-purpose air source heat pump circulation system Download PDFInfo
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- CN212409338U CN212409338U CN202021262710.9U CN202021262710U CN212409338U CN 212409338 U CN212409338 U CN 212409338U CN 202021262710 U CN202021262710 U CN 202021262710U CN 212409338 U CN212409338 U CN 212409338U
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Abstract
The embodiment of the application discloses dual-purpose air source heat pump circulation system includes: the system comprises a heating and drying unit, a heat pump circulating unit and a cold air utilization unit; the heating and drying unit is connected with the heat pump circulating unit; the heat pump circulation unit is connected with the cold air utilization unit. The utility model discloses can realize zero release waste gas in mud or moist material drying process, can not cause secondary pollution to the atmosphere to use the heat source not restricted by the place, drying efficiency is high, and heat utilization rate is high, can effectively utilize the low temperature air of by-product simultaneously.
Description
Technical Field
The application relates to the technical field of air source heat pump systems, in particular to a dual-purpose air source heat pump circulating system.
Background
Currently, a heat pump system generally includes a compressor, a condenser, a restrictor, an evaporator, and a refrigerant reservoir. The compressor, the condenser, the throttling device and the evaporator are connected together. In the heating process, the refrigerant in the evaporator absorbs low-temperature heat in the air to be vaporized, the low-temperature heat is processed by the compressor to be changed into high-temperature refrigerant, the high-temperature refrigerant is conveyed into the refrigerant pipe of the condenser, and the high-temperature refrigerant in the refrigerant pipe heats the secondary refrigerant (such as water) in the water tank. The secondary refrigerant releases heat energy to transfer heat to the ambient air, so that the temperature of the ambient air is increased, and more heat energy is carried. The fan drives the heated air to be conveyed to the drying system to heat the wet materials.
In hot summer, the demand of the factory for air-conditioning cooling is very high, and the air-conditioning cooling is needed to ensure that the indoor temperature is maintained in a comfortable range. The heat energy generated by the heat pump in the factory is used for heating and drying the wet materials, and the byproduct, namely low-temperature air, generated in the heating process of the heat pump is not effectively utilized. Meanwhile, a large amount of heat energy is generated in the refrigeration process of the air conditioner and is discharged outdoors, so that energy waste is caused. Therefore, the utility model provides a dual-purpose air source heat pump circulation system.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a dual-purpose air source heat pump circulation system for effectively improve the utilization ratio of heat energy, effectively utilize the low temperature air that the heat pump produced simultaneously.
In view of the above, the present application provides a dual-purpose air source heat pump cycle system, including: the system comprises a heating and drying unit, a heat pump circulating unit and a cold air utilization unit;
the heating and drying unit is connected with the heat pump circulating unit;
the heat pump circulating unit is connected with the cold air utilization unit.
Optionally, the heating and drying unit comprises a dryer, a drying fan and a dedusting and dewatering device;
the heat pump circulating unit is connected with the drying fan;
the drying fan is connected with the dryer;
the dryer is connected with the dedusting and dewatering equipment;
the dust and water removing equipment is connected with the heat pump circulating unit.
Optionally, the heat pump circulation unit includes an air compressor, a condenser, a restrictor, an evaporator, a drying filter and a refrigerant liquid storage tank;
the evaporator is connected with the air compressor;
the air compressor is connected with the condenser;
the condenser is connected with the refrigerant liquid storage tank;
the refrigerant liquid storage tank is connected with the drying filter;
the dry filter is connected with the throttling device;
the throttle is connected with the evaporator;
the evaporator is connected with the cold air utilization unit;
the condenser is connected with the heating and drying unit.
Optionally, the cold air utilization unit comprises a cold air duct and a collecting air duct which are arranged in the storehouse or the workshop;
the heat pump circulating unit is connected with the cold air pipe and is used for recycling the low-temperature air generated by the heat pump circulating unit;
the collecting air pipe is provided with an air pipe fan, and the collecting air pipe is connected with the heat pump circulating unit and used for collecting air from a storehouse or a workshop and conveying the air to the heat pump circulating unit through the air pipe fan to perform low-temperature heat exchange and utilization.
Optionally, a cold air duct is provided with a cold air valve for controlling the discharge of cold air.
Optionally, an inlet section of the cold air duct is connected with an air exhaust duct;
and the exhaust air pipe is provided with an exhaust air valve used for discharging redundant low-temperature air to the outside.
Optionally, the dust and water removing device comprises a dust remover and a water remover which are connected in sequence.
Optionally, the dust remover is an air-cooled dust remover.
Optionally, the dehydrator is a cyclonic dehydrator.
Optionally, the dryer is a tumble dryer.
According to the technical scheme, the embodiment of the application has the following advantages: the heating and drying device comprises a heating and drying unit, a heat pump circulating unit and a cold air utilizing unit, wherein the heating and drying unit is connected with the heat pump circulating unit, and the heat pump circulating unit is connected with the cold air utilizing unit. When the sludge drying device is used, sludge to be dried or a wet material enters the heating and drying unit through the conveyor, and the heating and drying unit is used for drying the sludge or the wet material by heating high-temperature gas heated in the heat pump circulating unit in a heating mode; the low-temperature air after the heat drying treatment is circulated and then comes to the heat pump circulation unit to be heated, the heat pump circulation unit heats the circulated low-temperature air by using low-temperature heat, the low-temperature air is changed into high-temperature dry air, a byproduct low-temperature air is generated at the same time, and the cold air utilization unit recycles the low-temperature air generated by the heat pump circulation unit. The dual-purpose air source heat pump circulating system effectively improves the utilization rate and the drying efficiency of heat energy, the used heat source is not limited by a place, meanwhile, low-temperature air generated by the heat pump circulating unit can be effectively utilized, the air conditioner can be replaced most of the time, and the heating and drying unit can be operated for a long time to have long-term low-temperature air, so that the air conditioner is not required to be started most of the time, the power consumption expenditure is reduced, and the energy consumption is saved.
Drawings
FIG. 1 is a schematic structural diagram of a dual-purpose air source heat pump circulation system according to an embodiment of the present application;
FIG. 2 is a flow diagram of a dual-use air-source heat pump cycle system according to an embodiment of the present application;
FIG. 3 is a flow diagram of a thermal drying unit in an embodiment of the present application;
FIG. 4 is a flow chart of a heat pump cycle unit according to an embodiment of the present application;
FIG. 5 is a flow chart of the cold air utilization unit according to the embodiment of the present application;
wherein the reference numerals are:
1-a cold air pipe, 2-a cold air valve, 3-an exhaust air valve, 4-an air-cooled dust remover, 5-a drum dryer, 6-a collecting air pipe, 7-an air pipe fan, 8-a drying fan, 9-a heat pump circulating unit and 10-a cyclone dehydrator.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The inventor finds that: the heat energy generated by the heat pump is just the byproduct discharged by the air conditioner after refrigeration, and the generated unnecessary low-temperature air is just the product to be produced by the air conditioner during refrigeration. The heat pump system and the air conditioner are both one of the single refrigerating and heating effects, and no technology is available for connecting the two heating and refrigerating effects in series.
The present application provides an embodiment of a dual-purpose air-source heat pump cycle system, and particularly refers to fig. 1 and 2.
The dual-purpose air source heat pump circulation system in this embodiment includes: the system comprises a heating and drying unit, a heat pump circulating unit 9 and a cold air utilizing unit, wherein the heating and drying unit is connected with the heat pump circulating unit 9, and the heat pump circulating unit 9 is connected with the cold air utilizing unit.
It should be noted that: when the sludge drying device is used, sludge to be dried or a wet material enters the heating and drying unit through the conveyor, and the heating and drying unit dries the sludge or the wet material in a heating mode by adopting high-temperature gas heated in the heat pump circulating unit 9; the low-temperature gas after the heat drying treatment is circulated and then comes to the heat pump circulation unit 9 to be heated, the heat pump circulation unit 9 heats the circulated low-temperature air by using low-temperature heat, so that the low-temperature air is changed into high-temperature dry gas, meanwhile, a byproduct low-temperature air is generated, and the cold air utilization unit recycles the low-temperature air generated by the heat pump circulation unit 9. The dual-purpose air source heat pump circulating system effectively improves the utilization rate and the drying efficiency of heat energy, the used heat source is not limited by a place, meanwhile, low-temperature air generated by the heat pump circulating unit 9 can be effectively utilized, the air conditioner can be replaced most of the time, and the heating and drying unit can be heated for a long time to have long-term low-temperature air, so that the air conditioner does not need to be started most of the time, the power consumption expenditure is reduced, and the energy consumption is saved.
The above is a first embodiment of a dual-purpose air source heat pump circulation system provided in the present application, and the following is a second embodiment of a dual-purpose air source heat pump circulation system provided in the present application, specifically referring to fig. 1 to 5.
The dual-purpose air source heat pump circulation system in this embodiment includes: the system comprises a heating and drying unit, a heat pump circulating unit 9 and a cold air utilizing unit, wherein the heating and drying unit is connected with the heat pump circulating unit 9, and the heat pump circulating unit 9 is connected with the cold air utilizing unit.
The heating and drying unit comprises a dryer, a drying fan 8 and a dedusting and dewatering device, the heat pump circulating unit 9 is connected with the drying fan 8, the drying fan 8 is connected with the dryer, the dryer is connected with the dedusting and dewatering device, and the dedusting and dewatering device is connected with the heat pump circulating unit 9.
It should be noted that: the high-temperature gas is changed into higher-temperature gas saturated with water vapor and dust after heat exchange is carried out on the sludge or the wet material, the processes of dust removal, material collection, temperature reduction and water vapor precipitation are carried out by the dust removal and water removal equipment, so that the higher-temperature gas saturated with water vapor and dust is changed into low-temperature dry pure gas, zero emission of waste gas can be realized in the drying process of the sludge or the wet material, and secondary pollution to the atmosphere can be avoided. Specifically, the sludge to be dried or the wet material enters a heating and drying unit through a conveyor, the heating and drying unit mixes the high-temperature gas heated in the heat pump circulation unit 9 with the sludge to be dried or the wet material to make the sludge to be dried or the wet material fully contact with the high-temperature gas, and transfers the heat energy carried by the high-temperature gas to the sludge to be dried or the wet material to be dried, so as to perform drying treatment on the sludge to be dried or the wet material. The low-temperature gas after the heat drying treatment returns to the dust and water removing equipment through the air pipe, and the dust in the gas is adsorbed through the nano adsorption sintering plate in the dust and water removing equipment, so that the dust removing effect is achieved; through environmental cooling and cyclone separation, the vapor in the gas is separated out to form water drops, and the formed water drops are collected and discharged, so that the effect of gas dewatering is achieved. The gas after dust removal and water removal is returned to the heat pump circulation unit 9 for heating, and is conveyed to the dryer by the drying fan 8, so as to be circulated.
The heat pump circulation unit 9 comprises an air compressor, a condenser, a restrictor, an evaporator, a drying filter and a refrigerant liquid storage tank, wherein the evaporator is connected with the air compressor, the air compressor is connected with the condenser, the condenser is connected with the refrigerant liquid storage tank, the refrigerant liquid storage tank is connected with the drying filter, the drying filter is connected with the restrictor, and the restrictor is connected with the evaporator; the evaporator is connected with the cold air utilization unit, and the condenser is connected with the heating and drying unit.
It should be noted that: the refrigerant in the evaporator absorbs the low-temperature heat in the air to be vaporized, the low-temperature heat is processed by the air compressor to be changed into a high-temperature refrigerant, the high-temperature refrigerant is conveyed into a refrigerant pipe of the condenser, and the high-temperature refrigerant in the refrigerant pipe heats the secondary refrigerant (such as water) in the water tank. The high-temperature refrigerant becomes a low-temperature refrigerant after releasing heat, and flows back through the pipeline, and the flow controller controls the flow back quantity. The drying filter is used for absorbing water in the refrigeration system, blocking impurities in the system from passing through and preventing ice blockage and dirty blockage of a system pipeline. The secondary refrigerant releases heat energy to transfer heat to the ambient air, so that the temperature of the ambient air is increased, and more heat energy is carried. Finally, the drying fan 8 drives the heated air to be conveyed into the dryer to heat the wet materials. Because the flow rate of the system is different due to different pressure differences in different refrigeration stages, the required refrigerant dosage is different, and a refrigerant liquid storage tank is required to meet the refrigerant dosage requirement of each stage.
The cold air utilization unit comprises a cold air pipe 1 and a collecting air pipe 6 which are arranged in a storehouse or a workshop, the heat pump circulation unit 9 is connected with the cold air pipe 1, and the cold air pipe 1 recycles low-temperature air generated by the heat pump circulation unit 9 and discharges the low-temperature air into the storehouse or the garage to achieve the effect of air conditioning and refrigeration; the collecting air pipe 6 is provided with an air pipe fan 7, the collecting air pipe 6 is connected with a heat pump circulating unit 9, the collecting air pipe 6 collects gas from a storehouse or a workshop or outdoors, and the gas is conveyed to an evaporator of the heat pump circulating unit 9 through the air pipe fan 7 to carry out low-temperature heat exchange and utilization.
Specifically, a cold air duct 1 is provided with a cold air valve 2 for controlling the discharge of cold air.
The inlet section of the cold air pipe 1 is connected with an exhaust air pipe, the exhaust air pipe is connected with the outside, an exhaust air valve 3 used for discharging redundant low-temperature air to the outside is arranged on the exhaust air pipe, and after the refrigeration effect of the air conditioner reaches the set target temperature, the exhaust air valve 3 is opened to discharge the redundant low-temperature air to the outside.
Specifically, the dust and water removing device comprises a dust remover and a water remover which are connected in sequence, wherein the dust remover can be an air-cooled dust remover 4, and the water remover can be a cyclone water remover 10.
The dryer may be a tumble dryer 5.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A dual-use air-source heat pump cycle system, comprising: the system comprises a heating and drying unit, a heat pump circulating unit and a cold air utilization unit;
the heating and drying unit is connected with the heat pump circulating unit;
the heat pump circulating unit is connected with the cold air utilization unit.
2. The dual-purpose air-source heat pump circulation system of claim 1, wherein the heating and drying unit comprises a dryer, a drying fan and a dust and water removing device;
the heat pump circulating unit is connected with the drying fan;
the drying fan is connected with the dryer;
the dryer is connected with the dedusting and dewatering equipment;
the dust and water removing equipment is connected with the heat pump circulating unit.
3. The dual-purpose air-source heat pump cycle system of claim 1, wherein the heat pump cycle unit comprises an air compressor, a condenser, a restrictor, an evaporator, a desiccant filter, and a refrigerant reservoir;
the evaporator is connected with the air compressor;
the air compressor is connected with the condenser;
the condenser is connected with the refrigerant liquid storage tank;
the refrigerant liquid storage tank is connected with the drying filter;
the dry filter is connected with the throttling device;
the throttle is connected with the evaporator;
the evaporator is connected with the cold air utilization unit;
the condenser is connected with the heating and drying unit.
4. The dual-purpose air-source heat pump cycle system of claim 1, wherein the cold air utilization unit comprises a cold air duct and a collecting air duct disposed in the warehouse or the workshop;
the heat pump circulating unit is connected with the cold air pipe and is used for recycling the low-temperature air generated by the heat pump circulating unit;
the collecting air pipe is provided with an air pipe fan, and the collecting air pipe is connected with the heat pump circulating unit and used for collecting air from a storehouse or a workshop and conveying the air to the heat pump circulating unit through the air pipe fan to perform low-temperature heat exchange and utilization.
5. The dual-purpose air source heat pump circulation system according to claim 4, wherein a cold air duct is provided with a cold air valve for controlling the discharge of cold air.
6. The dual-purpose air source heat pump circulating system of claim 4, wherein an inlet section of the cold air duct is connected with an exhaust air duct;
and the exhaust air pipe is provided with an exhaust air valve used for discharging redundant low-temperature air to the outside.
7. The dual-purpose air-source heat pump cycle system of claim 2, wherein the dust and water removing apparatus comprises a dust remover and a water remover connected in series.
8. The dual-use air-source heat pump cycle system of claim 7, wherein the dust collector is an air-cooled dust collector.
9. The dual-use air-source heat pump cycle system of claim 7, wherein the dehydrator is a cyclone dehydrator.
10. The dual-use air-source heat pump cycle system of claim 2, wherein the dryer is a tumble dryer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021262710.9U CN212409338U (en) | 2020-07-01 | 2020-07-01 | Dual-purpose air source heat pump circulation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021262710.9U CN212409338U (en) | 2020-07-01 | 2020-07-01 | Dual-purpose air source heat pump circulation system |
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| CN212409338U true CN212409338U (en) | 2021-01-26 |
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| CN202021262710.9U Active CN212409338U (en) | 2020-07-01 | 2020-07-01 | Dual-purpose air source heat pump circulation system |
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