CN219160444U - Heating system - Google Patents
Heating system Download PDFInfo
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- CN219160444U CN219160444U CN202320134082.3U CN202320134082U CN219160444U CN 219160444 U CN219160444 U CN 219160444U CN 202320134082 U CN202320134082 U CN 202320134082U CN 219160444 U CN219160444 U CN 219160444U
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Abstract
The embodiment of the application discloses heating system has included boiler, return water pipeline, first branch road, second branch road and air source heat pump, and set up first water inlet and second water inlet on the boiler, make heating system total return water divide into two branches through the setting of first branch road and second branch road, first branch road is low temperature return water, directly connect to boiler low temperature return water through first water inlet, get into the boiler and heat, the first air source heat pump of entering of second branch road preheats, become high temperature return water after preheating and get into the boiler heating through the second water inlet. And after the high-temperature backwater and the low-temperature backwater enter the boiler to be heated to the set heat supply temperature, the boiler circulating pump pumps the heat supply system to complete the heat supply cycle. The heating system provided by the embodiment of the application adopts the condensing boiler with the high-temperature and low-temperature backwater interfaces, and improves the heat efficiency of the boiler through the design of the high-temperature backwater system and the low efficiency of the boiler of the traditional heating system.
Description
Technical Field
The embodiment of the application relates to the technical field of air conditioning heating and ventilation, in particular to a heating system.
Background
As shown in fig. 1, the conventional boiler-heat pump dual-energy heating system is in the form of: after being pressurized by a heating circulating pump 1', the backwater of the heating system is heated by a heat pump 2', the backwater is heated by 5-10 ℃, and then enters a traditional boiler 3' for heating after being heated, and the heated high-temperature water enters the heating system to complete the heating cycle.
This heating mode has the following disadvantages: the high-temperature backwater heated by the heat pump 2' directly enters the traditional boiler 3' for heating, and the backwater and the boiler smoke discharged return flow are subjected to countercurrent heat exchange according to the heating structure flow of the traditional boiler 3', however, the backwater temperature is high, the temperature difference between the backwater temperature and the smoke temperature is reduced, the heat absorption capacity is reduced, the smoke heat of the boiler cannot be fully absorbed, the unabsorbed smoke heat is directly discharged outdoors, the heat loss is more, the heat efficiency of the boiler is reduced, the utilization rate of primary energy is reduced, and the energy is not saved.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art or related art.
In view of this, an embodiment of the present application proposes a heating system, including:
a boiler comprising a first water inlet and a second water inlet;
one end of the first branch is communicated with the water return pipeline, the other end of the first branch is communicated with the first water inlet, one end of the second branch is communicated with the water return pipeline, and the other end of the second branch is communicated with the second water inlet;
and the air source heat pump is arranged on the second branch.
In a possible embodiment, the heating system further comprises:
the second branch is communicated to the air source heat pump through the coupling tank, and then the second branch is communicated to the second water inlet through the coupling tank.
In a possible embodiment, the heating system further comprises:
and the heat pump circulating pump is arranged on the second branch and is positioned between the coupling tank and the air source heat pump.
In a possible embodiment, the heating system further comprises:
and the water supply pipeline is communicated with the output end of the boiler.
In a possible embodiment, the heating system further comprises:
and the boiler circulating pump is arranged on the water supply pipeline.
In a possible embodiment, the first water inlet is arranged adjacent to a flue gas discharge channel of the boiler.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
the heating system that this embodiment provided has included boiler, return water pipeline, first branch road, second branch road and air source heat pump, and set up first water inlet and second water inlet on the boiler, make heating system total return water divide into two branches through the setting of first branch road and second branch road, first branch road is low temperature return water, directly connect to boiler low temperature return water through first water inlet, get into the boiler and heat, the first air source heat pump of entering of second branch road preheats, become high temperature return water after preheating and get into boiler heating through the second water inlet. And after the high-temperature backwater and the low-temperature backwater enter the boiler to be heated to the set heat supply temperature, the boiler circulating pump pumps the heat supply system to complete the heat supply cycle. The heating system provided by the embodiment of the application adopts the condensing boiler with the high-temperature and low-temperature backwater interfaces, and improves the heat efficiency of the boiler through the design of the high-temperature backwater system and the low efficiency of the boiler of the traditional heating system.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 is a schematic block diagram of a heating system in the conventional art;
fig. 2 is a schematic structural view of a heating system according to an embodiment provided herein.
The correspondence between the reference numerals and the component names in fig. 1 is:
a 1' heating circulating pump, a 2' heat pump and a 3' traditional boiler;
the correspondence between the reference numerals and the component names in fig. 2 is:
1 boiler, 2 return water pipelines, 3 first branch, 4 second branch, 5 air source heat pump, 6 coupling tank, 7 heat pump circulating pump, 8 water supply pipelines, 9 boiler circulating pump.
Detailed Description
In order to better understand the technical solutions described above, the technical solutions of the embodiments of the present application are described in detail below through the accompanying drawings and the specific embodiments, and it should be understood that the embodiments of the present application and the specific features in the embodiments are detailed descriptions of the technical solutions of the embodiments of the present application, and not limit the technical solutions of the present application, and the embodiments of the present application and the technical features in the embodiments of the present application may be combined with each other without conflict.
As shown in fig. 2, an embodiment of the present application proposes a heating system, including: a boiler 1, the boiler 1 comprising a first water inlet and a second water inlet; the water return pipeline 2, the first branch 3 and the second branch 4, wherein one end of the first branch 3 is communicated with the water return pipeline 2, the other end of the first branch is communicated with the first water inlet, one end of the second branch 4 is communicated with the water return pipeline 2, and the other end of the second branch is communicated with the second water inlet; an air source heat pump 5 is arranged on the second branch 4.
The heating system that this embodiment provided has included boiler 1, return water pipeline 2, first branch road 3, second branch road 4 and air source heat pump 5, and set up first water inlet and second water inlet on the boiler 1, make heating system total return water divide into two branches through the setting of first branch road 3 and second branch road 4, first branch road 3 is low temperature return water, directly connect to boiler 1 low temperature return water through first water inlet, get into boiler 1 and heat, second branch road 4 first gets into air source heat pump 5 and preheats, become high temperature return water after preheating and get into boiler 1 heating through second water inlet. After the high and low temperature backwater enters the boiler 1 and is heated to the set temperature of heat supply, the backwater is sent into a heat supply system by a boiler circulating pump 9 to complete the heat supply cycle. The heating system provided by the embodiment of the application adopts the condensing boiler 1 with the high-temperature and low-temperature backwater interfaces, and improves the heat efficiency of the boiler 1 through the design of the high-temperature and low-temperature backwater system, thereby solving the problem of low efficiency of the boiler 1 of the traditional heating system.
It is understood that the first water inlet is a low temperature water return port, and the second water inlet is a high temperature water return port.
It can be understood that when heating is performed by the heating system provided by the embodiment of the application, a plurality of sets of heating systems provided by the application can be used simultaneously, the system flow of the heating system in the prior art is reduced under the condition that the system is reduced in load, the circulating pump is subjected to variable frequency adjustment, but the working efficiency of the circulating pump is deviated from a high-efficiency interval along with the reduction of the system flow, the power of the circulating pump shaft is increased, and the electric energy waste is caused. The heating system provided in the embodiment of the application adopts a form of one furnace and one pump: when the heating system is full, several boilers 1 are started at the same time, and the boiler circulating pump 9 and the boilers 1 are started in a linkage way. Along with the reduction of the load of the heating system, the starting quantity of the boiler 1 can be reduced according to the reduction of the load of the system, the flow of the heating system is reduced, the running quantity of the boiler 1 is reduced, the running quantity of the boiler circulating pump 9 is reduced, the starting quantity of the circulating pump is matched with the flow of the heating system, the circulating pump always runs in a high-efficiency section of working efficiency, the electric energy is reduced, the running of the boiler 1 and the air source heat pump 5 in respective high-efficiency areas can be ensured, and the energy-saving effect is obvious.
In some examples, the type of boiler 1 of the heating system provided by the embodiments of the present application may be a condensing boiler 1.
In a possible embodiment, the heating system further comprises: the second branch 4 is communicated with the air source heat pump 5 through the coupling tank 6, and then the second branch 4 is communicated with the second water inlet through the coupling tank 6.
In the technical scheme, the heating system can further comprise a coupling tank 6, cold water in the second branch 4 firstly enters the coupling tank 6 in the working process, is preheated by the air source heat pump 5, becomes high-temperature backwater after being preheated, is connected to a second water inlet of the boiler 1 after passing through the coupling tank 6, and enters the boiler 1 for heating. After the high and low temperature backwater enters the boiler 1 and is heated to the set temperature of heat supply, the backwater is sent into a heat supply system by a boiler circulating pump 9 to complete the heat supply cycle.
It can be understood that the coupling tank 6 serves the air source heat pump 5, and after the coupling tank 6 is added, a small circulation system is formed between the air source heat pump 5 and the coupling tank 6, so that on one hand, the heating speed of the air source heat pump 5 can be increased; on the other hand, the air source heat pump 5 does not directly participate in the heating system circulation, and the air source heat pump 5 has the function of protecting equipment; on the other hand, when the air source heat pump 5 is defrosted, the amount of hot water in the coupling tank 6 is enough to satisfy the defrosting requirement of the air source heat pump 5 without causing fluctuation of the entire heating system.
In a possible embodiment, the heating system further comprises: and a heat pump circulation pump 7 arranged on the second branch 4 and positioned between the coupling tank 6 and the air source heat pump 5.
In this technical scheme, heating system can also include heat pump circulating pump 7, based on this in the course of the work, the low temperature return water that flows through second branch road 4 can get into air source heat pump 5 through heat pump circulating pump 7 pressurization back and preheat, becomes high temperature return water after preheating and connect to condensing boiler 1 high temperature return water mouth through coupling jar 6 back, gets into boiler 1 heating, so set up can improve liquid supply pressure, improves heat exchange efficiency.
In a possible embodiment, the heating system further comprises: and a water supply pipeline 8, wherein the water supply pipeline 8 is communicated with the output end of the boiler 1.
In this technical scheme, heating system can also include supply line 8, so set up the hot water of being convenient for after adding and export, be convenient for all can hot water to utilize.
In a possible embodiment, the heating system further comprises: a boiler circulation pump 9, the boiler circulation pump 9 being provided on the water supply line 8.
In this technical scheme, heating system can also include boiler circulating pump 9, can improve the output pressure of hot water through the setting of boiler circulating pump 9, has ensured the supply of hot water.
In a possible embodiment, the first water inlet is arranged adjacent to a flue gas discharge channel of the boiler 1.
In this technical scheme, further provided the mode of arranging of first water inlet, first water inlet and the flue gas emission passageway of boiler 1 are adjacent to the setting, the setting of this application first branch road 3 and second branch road 4 of recombination, the second water inlet of system high temperature return water entering boiler 1, the first water inlet of system low temperature return water entering boiler 1, the setting is separately carried out to high low temperature return water mouth, boiler 1 high temperature return water region and low temperature return water region have been guaranteed, flue gas heat can both be fully absorbed, the thermal efficiency of boiler 1 has been improved, under the circumstances of same thermal load, primary energy utilization has been improved, the consumption of the energy has been saved.
In the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A heating system, comprising:
a boiler comprising a first water inlet and a second water inlet;
one end of the first branch is communicated with the water return pipeline, the other end of the first branch is communicated with the first water inlet, one end of the second branch is communicated with the water return pipeline, and the other end of the second branch is communicated with the second water inlet;
and the air source heat pump is arranged on the second branch.
2. A heating system according to claim 1, further comprising:
the second branch is communicated to the air source heat pump through the coupling tank, and then the second branch is communicated to the second water inlet through the coupling tank.
3. A heating system according to claim 2, further comprising:
and the heat pump circulating pump is arranged on the second branch and is positioned between the coupling tank and the air source heat pump.
4. A heating system according to claim 1, further comprising:
and the water supply pipeline is communicated with the output end of the boiler.
5. A heating system according to claim 4, further comprising:
and the boiler circulating pump is arranged on the water supply pipeline.
6. A heating system according to claim 1, wherein,
the first water inlet is adjacent to a flue gas discharge channel of the boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320134082.3U CN219160444U (en) | 2023-02-07 | 2023-02-07 | Heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320134082.3U CN219160444U (en) | 2023-02-07 | 2023-02-07 | Heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219160444U true CN219160444U (en) | 2023-06-09 |
Family
ID=86644115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320134082.3U Active CN219160444U (en) | 2023-02-07 | 2023-02-07 | Heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219160444U (en) |
-
2023
- 2023-02-07 CN CN202320134082.3U patent/CN219160444U/en active Active
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