CN205227797U - Take two source heat pump water heating system of waste heat recovery - Google Patents
Take two source heat pump water heating system of waste heat recovery Download PDFInfo
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- CN205227797U CN205227797U CN201520868401.9U CN201520868401U CN205227797U CN 205227797 U CN205227797 U CN 205227797U CN 201520868401 U CN201520868401 U CN 201520868401U CN 205227797 U CN205227797 U CN 205227797U
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Abstract
The utility model discloses a take two source heat pump water heating system of waste heat recovery, including the refrigerant circulation circuit and the flow path of intaking, refrigerant circulation circuit includes through the compressor of pipe connection, condenser, throttling arrangement, air evaporimeter and rivers evaporimeter, still is provided with the branch manifold parallelly connected with the rivers evaporimeter between air evaporimeter and the compressor, is provided with the control valve that is used for controlling the refrigerant flow direction behind the air evaporimeter, the flow path of intaking includes first rivers branch road, first rivers branch road including useless enthalpy exchanger and the rivers evaporimeter, useless enthalpy exchanger's water inlet is connected with the delivery port of rivers evaporimeter. This system not only accessible running water retrieves the waste water heat, and the heat absorption effect is reinforceed to accessible pump heat drop temperature moreover, in the refrigerant need not to get into useless enthalpy exchanger simultaneously, reduces the installation degree of difficulty and maintenance rate, through changing the refrigerant flow direction and fan rotational speed, can guarantee system safety operation in the optimum condition, more energy -efficient.
Description
Technical field
The utility model relates to hot-water heating system, particularly a kind of double-source heat pump water heating system with waste heat recovery.
Background technology
The operation principle of heat pump hot-water system absorbs extraneous low temperature heat energy, through the heat exchange of middle refrigerant, and becomes high-temperature gas through compressor compresses, heated by pipeline circulating system to water, have energy-efficient feature.But existing heat pump hot-water system is mostly air energy thermal water system, by means of only the low temperature heat energy absorbed in air as thermal source, affect greatly by outside air temperature, the thermal efficiency is low.
The wastewater temperature produced when people have a bath with hot water in bathroom is high, with a large amount of heat energy, in order to make full use of the heat energy of this part, there has been proposed the heat pump hot-water system utilizing waste water preheating heating tap water, the patent No. is a kind of for the Chinese patent of " CN201120478929.7 " discloses can the energy storage type water source heat pump water heater of double-absorption shower waste used heat, first it utilize waste water and running water to carry out heat exchange, and then utilize waste water to absorb as the refrigerant of thermal source heating/refrigerating system, realize the dual recovery to hot water for shower, the heat transfer effect of equipment is better.But this structure adopts two-stage shower waste heat recovery plant---shower recover is built-in with two kinds of pipelines (cold water pipe and refrigerant pipe), make equipment relatively heavy, not only manufacturing cost is high, and installs difficulty, in dismounting, use and easily cause coolant leakage in the middle of carrying, impact normally uses.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of double-source heat pump water heating system of energy-efficient, easy for installation and band waste heat recovery that maintenance rate is low.
The utility model solves the technical scheme that its technical problem adopts:
A kind of double-source heat pump water heating system with waste heat recovery, comprise refrigerant circulation circuit and water inlet stream, described refrigerant circulation circuit comprises the compressor, condenser, throttling arrangement, air evaporator and the current evaporimeter for heating tap water that are connected by pipeline, also being provided with the branch pipe in parallel with current evaporimeter between described air evaporator and compressor, after air evaporator, being provided with the control valve flowed to for controlling refrigerant; Described water inlet stream comprises the first current branch road, and the first current branch road comprises waste heat exchanger and described current evaporimeter, and the water inlet of described waste heat exchanger is connected with the delivery port of current evaporimeter.
As the improvement of technique scheme, described water inlet stream also comprises the second current branch road for absorptive condenser heat.
As the further improvement of technique scheme, also comprise the mixed water valve be connected with the first current branch road, the second current branch road.
Further, described first current branch road is just provided with auxiliary heater after the condenser.
Further, the pipeline between described current evaporimeter and waste heat exchanger has access to cold water and exports branch road.
Further, described second current branch road just has access to hot water after the condenser and exports branch road.
Further, described air evaporator is provided with the fan accelerating air flowing.
The beneficial effects of the utility model are: compared with prior art, the utility model not only reclaims waste water heat by running water, and by the medium-temperature reinforced endothermic effect of pump heat drop, refrigerant is also without the need to entering in waste heat exchanger, reduces installation difficulty and maintenance rate simultaneously.Especially, native system flows to and rotation speed of fan by changing refrigerant, greatly strengthen its adaptive capacity to outside variation of ambient temperature, thus makes system more energy-conservation, more adapts to on-the-spot application and penetration and promotion.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2.
Detailed description of the invention
Embodiment 1
With reference to Fig. 1, a kind of double-source heat pump water heating system with waste heat recovery of the present utility model, comprise refrigerant circulation circuit and water inlet stream, described refrigerant circulation circuit comprises the compressor 1, condenser 2, throttling arrangement 3, air evaporator 4 and the current evaporimeter 5 for heating tap water that are connected by pipeline, also being provided with the branch pipe 6 in parallel with current evaporimeter 5 between described air evaporator 4 and compressor 1, after air evaporator 4, being provided with the control valve 7 flowed to for controlling refrigerant.Described control valve 7 is preferably triple valve, and the import of triple valve is connected with air evaporator 4, and two outlets of triple valve are connected with branch pipe 6 and current evaporimeter 5 respectively, and its structure is simple.Certainly, described control valve 7 also can be the switch valve being separately positioned on branch pipe 6 and on the branch road of current evaporimeter 5 place.Described water inlet stream comprises the first current branch road 100, first current branch road 100 and comprises waste heat exchanger 8 and described current evaporimeter 5, and the water inlet of described waste heat exchanger 8 is connected with the delivery port of current evaporimeter 5.
Refrigerant circulation circuit in the utility model is provided with the current evaporimeter 5 absorbed heat to running water, and it is in parallel with current evaporimeter 5 and form two loops by branch pipe 6, compressor 1, condenser 2, throttling arrangement 3 and air evaporator 4 form the first loop, and compressor 1, condenser 2, throttling arrangement 3, air evaporator 4 and current evaporimeter 5 form second servo loop; Article two, switched by control valve 7 between loop, user can select according to actual needs.Refrigerant circulation of the present utility model separates with water inlet stream, refrigerant is without the need to entering in waste heat exchanger 8, chilled water flow is formed by the refrigerant draw heat in current evaporimeter 5 after artesian water flows through current evaporimeter 5, enter again in waste heat exchanger 8 and carry out heat exchange, because the two media temperature difference is larger, just greatly enhance heat transfer effect, improve energy saving and the applicability of native system.
Further, described water inlet stream also comprises the second current branch road 200 for absorptive condenser 2 heat.Feed water flow is two parts by the utility model (is the first current hereinafter referred to as the current in the first current branch road 100, current in second current branch road 200 are the second current), the heat of the first current is extracted in first loop, and this heat is heated the second current, makes it to become hot water stream; The first current pumped after heat cooling become cold water stream, then carry out heat exchange with hot waste water and become stream of warm water.The structure that the utility model is connected with waste heat exchanger 8 relative to condenser 2, substantially increases the heat exchange efficiency of condenser 2 and waste heat exchanger 8.
Further, the utility model also comprises mixed water valve 9, first current that are connected with the first current branch road 100, second current branch road 200 and the second current mix at mixed water valve 9 place, facilitates the use sides such as the external gondola water faucet of user directly to use.
Further, described first current branch road 100 is provided with auxiliary heater 10 at condenser 2 rear.Facilitate condenser 2 when heat exchange efficiency is low by ambient temperature change, open auxiliary heater 10, ensure the temperature of the second current.
Further, described air evaporator 4 is provided with the fan 11 accelerating air flowing.Form air-flow at air evaporator 4 place when fan 11 rotates, improve the heat exchange efficiency of air evaporator 4.
Further, the utility model also comprises control unit, for measuring the air temperature sensor of external air temperature, and for measuring the cooling-water temperature sensor of tap water temperature, the input of described control unit is connected with air temperature sensor, cooling-water temperature sensor, and the output of described control unit is connected with control valve 7.Facilitate native system to control control valve 7 by ambient temperature change and switch the refrigerant flow direction, concrete control is as follows:
In air themperature than (as spring) during tap water temperature height, refrigerant runs by the first loop; When air themperature is lower than tap water temperature (as autumn), run by second servo loop, absorbing heat based on current evaporimeter 5, is auxiliary with air evaporator 4; Air themperature and tap water temperature all lower time (during lower than control unit the first set temperature value, as winter), refrigerant by the first loop operation, (stop using by current evaporimeter 5, with making ice), if be now provided with auxiliary heater 10, whether can start auxiliary heater 10 as required and run; Air themperature and tap water temperature all higher time (during higher than control unit the second set temperature value, as summer), by second servo loop run, based on current evaporimeter 5, air evaporator 4 is auxiliary.
Further; the output of described control unit is connected with blower fan; environmentally variations in temperature and the requirement of the design temperature water yield; control unit controls control valve 7 and automatically switches; control the blower fan foundation automatic start-stop of variation of ambient temperature simultaneously or realize rotating speed size variation; flowing to and rotation speed of fan by changing refrigerant, ensureing fully to absorb outside heat and used heat, guaranteeing that system safety operation is in optimum condition.
The utility model not only reclaims waste water heat by running water, and by the medium-temperature reinforced endothermic effect of pump heat drop, refrigerant is also without the need to entering in waste heat exchanger simultaneously, reduces installation difficulty and maintenance rate.Especially, native system flows to and rotation speed of fan by changing refrigerant, greatly strengthen its adaptive capacity to outside variation of ambient temperature, thus makes system more energy-conservation, more adapts to on-the-spot application and penetration and promotion.
Embodiment 2
With reference to Fig. 2, a kind of double-source heat pump water heating system with waste heat recovery of the present utility model, it is for commercial hot water engineering, the difference of itself and embodiment 1 is, pipeline between described current evaporimeter 5 and waste heat exchanger 8 has access to cold water and exports branch road 300, and convenient output by the cold water stream formed after running water and current evaporimeter 5 heat exchange uses.
Described second current branch road has access to hot water and exports branch road 400 at condenser 2 rear, convenient output by the hot water stream formed after running water and condenser 2 heat exchange uses.Preferably, described hot water exports after branch road 400 is arranged on the auxiliary heater 10 of the second current branch road, facilitate user air themperature and tap water temperature lower time, open auxiliary heater 10, ensure hot water outlet temperature.
Certainly, the utility model, except above-mentioned embodiment, can also have other structural distortion, and as the utility model also can be used for reclaiming heat energy from waste gas, these equivalent technical solutions also should within its protection domain.
Claims (7)
1. the double-source heat pump water heating system with waste heat recovery, comprises refrigerant circulation circuit and water inlet stream, it is characterized in that:
Described refrigerant circulation circuit comprises the compressor, condenser, throttling arrangement, air evaporator and the current evaporimeter for heating tap water that are connected by pipeline, also being provided with the branch pipe in parallel with current evaporimeter between described air evaporator and compressor, after air evaporator, being provided with the control valve flowed to for controlling refrigerant;
Described water inlet stream comprises the first current branch road, and the first current branch road comprises waste heat exchanger and described current evaporimeter, and the water inlet of described waste heat exchanger is connected with the delivery port of current evaporimeter.
2. a kind of double-source heat pump water heating system with waste heat recovery according to claim 1, is characterized in that: described water inlet stream also comprises the second current branch road for absorptive condenser heat.
3. a kind of double-source heat pump water heating system with waste heat recovery according to claim 2, is characterized in that: also comprise the mixed water valve be connected with the first current branch road, the second current branch road.
4. a kind of double-source heat pump water heating system with waste heat recovery according to claim 2, is characterized in that: described first current branch road is just provided with auxiliary heater after the condenser.
5. a kind of double-source heat pump water heating system with waste heat recovery according to claim 1, is characterized in that: the pipeline between described current evaporimeter and waste heat exchanger has access to cold water and exports branch road.
6. a kind of double-source heat pump water heating system with waste heat recovery according to claim 2, is characterized in that: described second current branch road just has access to hot water after the condenser and exports branch road.
7. a kind of double-source heat pump water heating system with waste heat recovery according to claim 1, is characterized in that: described air evaporator is provided with the fan accelerating air flowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520868401.9U CN205227797U (en) | 2015-10-30 | 2015-10-30 | Take two source heat pump water heating system of waste heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520868401.9U CN205227797U (en) | 2015-10-30 | 2015-10-30 | Take two source heat pump water heating system of waste heat recovery |
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| Publication Number | Publication Date |
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| CN205227797U true CN205227797U (en) | 2016-05-11 |
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| CN201520868401.9U Active CN205227797U (en) | 2015-10-30 | 2015-10-30 | Take two source heat pump water heating system of waste heat recovery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345637A (en) * | 2019-08-05 | 2019-10-18 | 珠海格力电器股份有限公司 | The control method of heat pump system and heat pump system |
| CN110425735A (en) * | 2019-08-08 | 2019-11-08 | 赵大勇 | A kind of double-source heat pump hot water for shower system |
-
2015
- 2015-10-30 CN CN201520868401.9U patent/CN205227797U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345637A (en) * | 2019-08-05 | 2019-10-18 | 珠海格力电器股份有限公司 | The control method of heat pump system and heat pump system |
| CN110425735A (en) * | 2019-08-08 | 2019-11-08 | 赵大勇 | A kind of double-source heat pump hot water for shower system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170120 Address after: Nansha District Fengze road Guangzhou city Guangdong province 511400 No. 106 (self building No. 1) X1301-C607 (only for office use) (JM) Patentee after: Guangzhou hot road energy saving Technology Co., Ltd. Address before: Kau Lang Jianghai District of Guangdong province in 529000 head of Jiangmen City Building 2 two 401 liberte Patentee before: Ping Jing |