CN220038793U - Solar energy and air energy heat complementary hot water circulation system - Google Patents
Solar energy and air energy heat complementary hot water circulation system Download PDFInfo
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- CN220038793U CN220038793U CN202321018017.0U CN202321018017U CN220038793U CN 220038793 U CN220038793 U CN 220038793U CN 202321018017 U CN202321018017 U CN 202321018017U CN 220038793 U CN220038793 U CN 220038793U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 396
- 230000000295 complement effect Effects 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 239000008399 tap water Substances 0.000 claims description 14
- 235000020679 tap water Nutrition 0.000 claims description 14
- 239000008236 heating water Substances 0.000 claims description 4
- 230000020169 heat generation Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The utility model discloses a solar energy and air energy heat complementary hot water circulation system, which comprises a solar hot water circulation structure, a heat pump hot water circulation structure and a hot water supply circulation structure; the hot water supply circulation structure is used for supplying hot water for the terminal water using equipment; the hot water prepared by the solar hot water circulation structure is connected with the heat pump hot water circulation structure through a hot water communicating pipe, and a first hot water pump with the water outlet direction facing the heat pump hot water circulation structure is arranged on the hot water communicating pipe; the heat pump hot water circulation structure serves as a hot water source for the hot water supply circulation structure. According to the utility model, the temperature of hot water supplied to a user is ensured by the heat pump, and the water which is not heated by the heat pump is heated by the solar hot water circulation structure, so that the solar heating efficiency is higher; the water heated by solar energy is supplied to the heat pump hot water circulation structure, the air source heat pump unit is started when the water temperature is insufficient, and the temperature of the hot water is raised to a preset temperature, so that the purposes of efficiently utilizing solar energy and guaranteeing the temperature of the hot water are achieved.
Description
Technical Field
The utility model relates to the technical field of hot water supply, in particular to a solar energy and heat pump co-production heat supply technology.
Background
The hot water is not needed in daily life of people, and the hot water is also needed in the preparation of many industrial products, so that a system for preparing the hot water is widely applied.
The solar energy for preparing hot water can reduce energy consumption, and is more and more popular in the market. However, the solar water heating system has a natural defect that the dependence on sunlight is strong, and when the illumination condition is poor, the heat generating efficiency cannot meet the heating requirement. Therefore, a combined heat generation system capable of compensating for insufficient illumination needs to be designed.
The current combined heat generation system has various technical routes such as solar energy and electricity combined heat generation, solar energy and heat pump combined heat generation, solar energy and boiler combined heat generation and the like.
The solar energy and heat pump combined heat generation technology has higher energy efficiency and is suitable for hotels and small and medium-sized units. Solar heat generation is a well-established technology, in particular by flowing water through a solar collector, which absorbs solar energy and heats the flowing water.
Air source heat pump units are also well established prior art, having heat exchangers for heating water; if the air source heat pump unit is directly started, the advantage is that the temperature of hot water is guaranteed, the disadvantage is that the temperature of hot water is higher, and the working efficiency of the solar heat collector is lower (the temperature difference between water and the solar heat collector is small when water flows through the solar heat collector, so that the heat exchange efficiency is lower).
The design idea of the utility model is to use two hot water tanks, which are respectively circulated and linked, so as to achieve the purposes of efficiently absorbing solar energy through larger temperature difference and ensuring the temperature of hot water in the continuous operation process.
In the test, when two hot water tanks are arranged in the system and are respectively circulated and linked, the imbalance of hydraulic conditions in the two hot water tanks can lead to unstable operation of the system.
Disclosure of Invention
The utility model aims to provide a solar energy and air energy heat complementary hot water circulation system, which adopts two hot water tanks to form circulation flow with a solar heat collector and a heat exchanger of an air source heat pump unit respectively, and forms linkage water supply circulation between the two hot water tanks and terminal water facilities (such as shower nozzles in each room) to ensure the temperature of hot water.
In order to achieve the above object, the solar energy and air energy heat complementary hot water circulation system of the present utility model comprises a solar hot water circulation structure, a heat pump hot water circulation structure and a hot water supply circulation structure; the hot water supply circulation structure is used for supplying hot water for the terminal water using equipment;
the hot water prepared by the solar hot water circulation structure is connected with the heat pump hot water circulation structure through a hot water communicating pipe, and a first hot water pump with the water outlet direction facing the heat pump hot water circulation structure is arranged on the hot water communicating pipe;
the heat pump hot water circulation structure serves as a hot water source for the hot water supply circulation structure.
The solar hot water circulation structure comprises a first hot water tank and a solar heat collector group, wherein the solar heat collector group comprises a plurality of solar heat collectors which are connected in series; the top of the first hot water tank is connected with a first water inlet branch pipe for introducing tap water and a first water return pipe for returning hot water from the solar heat collector group, and the first water return pipe is connected with the water outlet end of the solar heat collector group; the bottom of the first hot water tank is connected with a first water outlet pipe which is connected with the water inlet end of the solar heat collector group; the first water outlet pipe is connected with a solar heating circulating pump in series; the water in the first hot water tank is used as hot water prepared by the solar hot water circulation structure; a first water inlet valve is arranged on the first water inlet branch pipe;
the heat pump hot water circulation structure comprises a second hot water tank and an air source heat pump unit, the air source heat pump unit is provided with a heat exchanger for heating water, the top of the second hot water tank is connected with a second water inlet branch pipe for introducing tap water and a second water return pipe for returning hot water from the air source heat pump unit, and the second water return pipe is connected with the water outlet end of the heat exchanger of the air source heat pump unit;
the bottom of the second hot water tank is connected with a second water outlet pipe, and the second water outlet pipe is connected with the water inlet end of the heat exchanger of the air source heat pump unit; the second water outlet pipe is connected with a heat pump heating circulating pump in series; water in the second hot water tank is used as a hot water source of the hot water supply circulation structure; a second water inlet valve is arranged on the second water inlet branch pipe;
the first water inlet branch pipes and the second water inlet branch pipes are communicated with a water inlet main pipe, and the water inlet main pipe is connected with a municipal water supply network;
the hot water supply circulation structure comprises the second hot water tank and all terminal water equipment; the second hot water tank is connected with a hot water supply pipe, a booster pump is connected in series on the hot water supply pipe, each terminal water device is connected with the hot water supply pipe in the downstream direction of the booster pump through a hot water branch pipe, and the tail end of the hot water supply pipe is connected with a tail end return pipe which is communicated with the second hot water tank.
The water inlet end of the solar heat collector group is provided with a first valve, and the water outlet end of the solar heat collector group is provided with a second valve; a third valve and a fourth valve are respectively arranged on the first water outlet pipe at the inlet end and the outlet end of the solar heating circulating pump; a fifth valve and a sixth valve are respectively arranged on the hot water communicating pipe at the inlet end and the outlet end of the first hot water pump; a seventh valve and an eighth valve are respectively arranged on the second water outlet pipe at the inlet end and the outlet end of the heat pump heating circulating pump; a ninth valve is arranged at the joint of the second water return pipe and the second hot water tank, and a tenth valve is arranged at the joint of the second water return pipe and the water outlet end of the heat exchanger of the air source heat pump unit.
And each terminal water device is also connected with the water inlet main pipe through a tap water branch pipe. A hydraulic balance pipe is connected between the first hot water tank and the second hot water tank.
The utility model has the following advantages:
according to the utility model, the heat pump hot water circulation structure is used as a hot water source of the hot water supply circulation structure, the temperature of hot water supplied to a user is ensured by the heat pump (power comes from electric power), and the water which is not heated by the heat pump is heated by the solar hot water circulation structure, so that the solar heating efficiency is higher; the water heated by solar energy is supplied to the hot water circulation structure of the heat pump, when the water temperature is enough, the air source heat pump unit does not need to be started, when the water temperature is insufficient, the air source heat pump unit (like a household air conditioner, the temperature is not satisfied and can be automatically started, and the conventional technology of the air source heat pump unit) starts and the temperature of hot water is raised to a preset temperature, so that the purposes of efficiently utilizing solar energy and guaranteeing the temperature of hot water are realized.
And the first valve and the second valve are convenient to overhaul after being closed. The third valve and the fourth valve are convenient to overhaul after being closed; the third valve and the fifth valve are convenient to overhaul after being closed; the fifth valve and the sixth valve are convenient to overhaul after being closed; after valves on pipelines connected with the first hot water tank and the second hot water tank are closed, the first hot water tank and the second hot water tank can be overhauled conveniently; and after the tenth valve and the eighth valve are closed, the air source heat pump unit is convenient to overhaul.
Thereby facilitating the control of the final water temperature by the user by adjusting the ratio of the hot water to the tap water. The hydraulic balance pipe can balance the hydraulic conditions of the two hot water tanks, and the system can be operated more stably although a certain backflow phenomenon exists.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Description of the embodiments
As shown in fig. 1, the solar and air energy heat complementary hot water circulation system of the present utility model includes a solar hot water circulation structure, a heat pump hot water circulation structure, and a hot water supply circulation structure; the hot water supply circulation structure is used for supplying hot water to terminal water equipment (such as shower heads of all rooms);
the hot water prepared by the solar hot water circulation structure is connected with the heat pump hot water circulation structure through a hot water communicating pipe 1, and a first hot water pump 2 with the water outlet direction facing the heat pump hot water circulation structure is arranged on the hot water communicating pipe 1; the heat pump hot water circulation structure serves as a hot water source for the hot water supply circulation structure.
According to the utility model, the heat pump hot water circulation structure is used as a hot water source of the hot water supply circulation structure, the temperature of hot water supplied to a user is ensured by the heat pump (power comes from electric power), and the water which is not heated by the heat pump is heated by the solar hot water circulation structure, so that the solar heating efficiency is higher; the water heated by solar energy is supplied to the heat pump hot water circulation structure, the air source heat pump unit does not need to be started when the water temperature is enough, the air source heat pump unit (like a household air conditioner, the temperature is not satisfied and can be automatically started) is started when the water temperature is insufficient, and the temperature of the hot water is raised to a preset temperature, so that the purposes of efficiently utilizing solar energy and guaranteeing the temperature of the hot water are realized.
The solar hot water circulation structure comprises a first hot water tank 3 and a solar heat collector group, wherein the solar heat collector group comprises a plurality of solar heat collectors 4 which are connected in series; the top of the first hot water tank 3 is connected with a first water inlet branch pipe 5 for introducing tap water and a first water return pipe 6 for returning hot water from the solar heat collector group, and the first water return pipe 6 is connected with the water outlet end of the solar heat collector group; the bottom of the first hot water tank 3 is connected with a first water outlet pipe 7, and the first water outlet pipe 7 is connected with the water inlet end of the solar heat collector group; the first water outlet pipe 7 is connected with a solar heating circulating pump 8 in series; the water in the first hot water tank 3 is used as hot water prepared by the solar hot water circulation structure; the first water inlet branch pipe 5 is provided with a first water inlet valve 9;
the heat pump hot water circulation structure comprises a second hot water tank 10 and an air source heat pump unit 11, wherein the air source heat pump unit 11 is provided with a heat exchanger 12 for heating water, a second water inlet branch pipe 13 for introducing tap water and a second water return pipe 14 for returning hot water from the air source heat pump unit 11 are connected to the top of the second hot water tank 10, and the second water return pipe 14 is connected with the water outlet end of the heat exchanger 12 of the air source heat pump unit 11;
the bottom of the second hot water tank 10 is connected with a second water outlet pipe 15, and the second water outlet pipe 15 is connected with the water inlet end of the heat exchanger 12 of the air source heat pump unit 11; the second water outlet pipe 15 is connected with a heat pump heating circulating pump 16 in series; the water in the second hot water tank 10 serves as a hot water source of the hot water supply circulation structure; the second water inlet branch pipe 13 is provided with a second water inlet valve 17;
the first water inlet branch pipes 5 and the second water inlet branch pipes 13 are communicated with a water inlet main pipe 18, and the water inlet main pipe 18 is connected with a municipal water supply network;
the hot water supply circulation structure includes the second hot water tank 10 and each terminal water device (e.g., a shower head of each room); the second hot water tank 10 is connected with a hot water supply pipe 19, a booster pump 20 is connected in series on the hot water supply pipe 19, each terminal water device 21 is connected with the hot water supply pipe 19 in the downstream direction of the booster pump 20 through a hot water branch pipe 22, the end of the hot water supply pipe 19 is connected with an end return pipe 23, and the end return pipe 23 is communicated with the second hot water tank 10.
The water inlet end of the solar heat collector group is provided with a first valve 24, and the water outlet end of the solar heat collector group is provided with a second valve 25; a third valve 26 and a fourth valve 27 are respectively arranged on the first water outlet pipe 7 at the inlet end and the outlet end of the solar heating circulating pump 8; a fifth valve 28 and a sixth valve 29 are respectively arranged on the hot water communicating pipe 1 at the inlet end and the outlet end of the first hot water pump 2; a seventh valve 30 and an eighth valve 31 are respectively arranged on the second water outlet pipe 15 at the inlet end and the outlet end of the heat pump heating circulating pump 16; a ninth valve 32 is arranged at the joint of the second water return pipe 14 and the second hot water tank 10, and a tenth valve 33 is arranged at the joint of the second water return pipe 14 and the water outlet end of the heat exchanger 12 of the air source heat pump unit 11.
The first valve 24 and the second valve 25 are closed to facilitate maintenance of the solar collector group. The third valve 26 and the fourth valve 27 are closed, so that the solar heating circulating pump 8 is convenient to overhaul; the third valve 26 and the fifth valve 28 are closed, so that the first hot water tank 3 is convenient to overhaul; the fifth valve 28 and the sixth valve 29 are closed, so that the first hot water pump 2 is convenient to overhaul; after the valves on the pipelines connected with the first hot water tank 3 and the second hot water tank 10 are closed, the first hot water tank 3 and the second hot water tank 10 are convenient to overhaul; after the tenth valve 33 and the eighth valve 31 are closed, the air source heat pump unit 11 is convenient to overhaul.
Each terminal water device 21 is also connected to the water inlet manifold 18 via a tap water manifold 34, thereby facilitating the control of the final water temperature by the user by adjusting the ratio of hot water to tap water.
A hydraulic balance pipe 35 is connected between the first hot water tank 3 and the second hot water tank 10. The hydraulic balance pipe 35 can balance the hydraulic conditions of the two hot water tanks, and can make the system operate more stably although there is a certain backflow phenomenon.
When the solar water heater works, the first water inlet valve 9 is opened to supply water to the first hot water tank 3, and the solar heating circulating pump 8 enables water in the first hot water tank 3 to circulate between the first hot water tank 3 and the solar heat collector group, and the solar heat collector group heats the water by utilizing solar energy. The first hot water pump 2 feeds water in the first hot water tank 3 into the second hot water tank 10. When the sunlight is sufficient, the water temperature in the first hot water tank 3 can reach the preset water supply temperature, and at the moment, the second water inlet valve 17, the heat pump heating circulating pump 16 and the air source heat pump unit 11 are not required to be opened, and all solar energy is utilized to heat the water and supply the water to users. When the sunlight is insufficient and the water temperature in the first hot water tank 3 does not reach the preset water supply temperature in operation, the second water inlet valve 17, the heat pump heating circulating pump 16 and the air source heat pump unit 11 are opened, the heat pump heating circulating pump 16 promotes water in the second hot water tank 10 to circulate between the second hot water tank 10 and the heat exchanger 12 of the air source heat pump unit 11, and the air source heat pump unit 11 heats the water in the second hot water tank 10 to the preset water supply temperature. Since the temperature of the water fed into the second hot water tank 10 by the first hot water pump 2 is higher than that of the tap water, the energy consumed by the air-source heat pump unit 11 to heat the portion of the water to the predetermined water supply temperature is smaller than that consumed to heat the tap water to the predetermined water supply temperature.
When the hot water is supplied, the booster pump 20 is kept in an on state, the booster pump 20 circulates the water in the second hot water tank 10 among the second hot water pipe, the hot water supply pipe 19 and the terminal return pipe 23, and when a certain terminal water device 21 is opened, the hot water in the hot water supply pipe 19 flows to the terminal water device 21 through the hot water branch pipe 22 to be supplied to a user. The user can automatically regulate the ratio of hot water to tap water, so that the final water temperature can be automatically regulated.
The above embodiments are only for illustrating the technical solution of the present utility model, and it should be understood by those skilled in the art that although the present utility model has been described in detail with reference to the above embodiments: modifications and equivalents may be made thereto without departing from the spirit and scope of the utility model, which is intended to be encompassed by the claims.
Claims (5)
1. Solar energy and air can complementary hot water circulation system of heat, its characterized in that: the solar heat pump water heater comprises a solar water heating circulation structure, a heat pump water heating circulation structure and a water heating supply circulation structure; the hot water supply circulation structure is used for supplying hot water for the terminal water using equipment;
the hot water prepared by the solar hot water circulation structure is connected with the heat pump hot water circulation structure through a hot water communicating pipe, and a first hot water pump with the water outlet direction facing the heat pump hot water circulation structure is arranged on the hot water communicating pipe; the heat pump hot water circulation structure serves as a hot water source for the hot water supply circulation structure.
2. The solar and air energy heat complementary hot water circulation system of claim 1, wherein:
the solar hot water circulation structure comprises a first hot water tank and a solar heat collector group, wherein the solar heat collector group comprises a plurality of solar heat collectors which are connected in series; the top of the first hot water tank is connected with a first water inlet branch pipe for introducing tap water and a first water return pipe for returning hot water from the solar heat collector group, and the first water return pipe is connected with the water outlet end of the solar heat collector group; the bottom of the first hot water tank is connected with a first water outlet pipe which is connected with the water inlet end of the solar heat collector group; the first water outlet pipe is connected with a solar heating circulating pump in series; the water in the first hot water tank is used as hot water prepared by the solar hot water circulation structure; a first water inlet valve is arranged on the first water inlet branch pipe;
the heat pump hot water circulation structure comprises a second hot water tank and an air source heat pump unit, the air source heat pump unit is provided with a heat exchanger for heating water, the top of the second hot water tank is connected with a second water inlet branch pipe for introducing tap water and a second water return pipe for returning hot water from the air source heat pump unit, and the second water return pipe is connected with the water outlet end of the heat exchanger of the air source heat pump unit;
the bottom of the second hot water tank is connected with a second water outlet pipe, and the second water outlet pipe is connected with the water inlet end of the heat exchanger of the air source heat pump unit; the second water outlet pipe is connected with a heat pump heating circulating pump in series; water in the second hot water tank is used as a hot water source of the hot water supply circulation structure; a second water inlet valve is arranged on the second water inlet branch pipe;
the first water inlet branch pipes and the second water inlet branch pipes are communicated with a water inlet main pipe, and the water inlet main pipe is connected with a municipal water supply network;
the hot water supply circulation structure comprises the second hot water tank and all terminal water equipment; the second hot water tank is connected with a hot water supply pipe, a booster pump is connected in series on the hot water supply pipe, each terminal water device is connected with the hot water supply pipe in the downstream direction of the booster pump through a hot water branch pipe, and the tail end of the hot water supply pipe is connected with a tail end return pipe which is communicated with the second hot water tank.
3. The solar and air energy heat complementary hot water circulation system of claim 1, wherein: the water inlet end of the solar heat collector group is provided with a first valve, and the water outlet end of the solar heat collector group is provided with a second valve; a third valve and a fourth valve are respectively arranged on the first water outlet pipe at the inlet end and the outlet end of the solar heating circulating pump; a fifth valve and a sixth valve are respectively arranged on the hot water communicating pipe at the inlet end and the outlet end of the first hot water pump; a seventh valve and an eighth valve are respectively arranged on the second water outlet pipe at the inlet end and the outlet end of the heat pump heating circulating pump; a ninth valve is arranged at the joint of the second water return pipe and the second hot water tank, and a tenth valve is arranged at the joint of the second water return pipe and the water outlet end of the heat exchanger of the air source heat pump unit.
4. The solar and air energy heat complementary hot water circulation system of claim 2, wherein: and each terminal water device is also connected with the water inlet main pipe through a tap water branch pipe.
5. A solar and air energy heat complementary hot water circulation system according to any one of claims 1 to 3, wherein: a hydraulic balance pipe is connected between the first hot water tank and the second hot water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321018017.0U CN220038793U (en) | 2023-04-29 | 2023-04-29 | Solar energy and air energy heat complementary hot water circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202321018017.0U CN220038793U (en) | 2023-04-29 | 2023-04-29 | Solar energy and air energy heat complementary hot water circulation system |
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| CN220038793U true CN220038793U (en) | 2023-11-17 |
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| CN202321018017.0U Active CN220038793U (en) | 2023-04-29 | 2023-04-29 | Solar energy and air energy heat complementary hot water circulation system |
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| CN (1) | CN220038793U (en) |
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2023
- 2023-04-29 CN CN202321018017.0U patent/CN220038793U/en active Active
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