CN212006199U - Distributed composite energy type central hot water system - Google Patents
Distributed composite energy type central hot water system Download PDFInfo
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- CN212006199U CN212006199U CN202020423394.2U CN202020423394U CN212006199U CN 212006199 U CN212006199 U CN 212006199U CN 202020423394 U CN202020423394 U CN 202020423394U CN 212006199 U CN212006199 U CN 212006199U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
Abstract
The utility model provides a distributing type complex energy type central authorities hot water system, including gas generating set, holding water box, directly-heated type air energy heat pump set, gas hot water unit. The gas generator set supplies power to the directly-heated air energy heat pump set and simultaneously outputs warm water of 60 ℃ to the heat preservation water tank; the directly-heated air energy heat pump unit outputs warm water of 55 ℃ to the heat preservation water tank; the primary heating gas unit delivers hot water with the temperature of 70 ℃ to the heat preservation water tank; the secondary afterburning gas unit is used for afterburning and heating the warm water in the heat-preservation water tank to 70 ℃. The utility model discloses a gas generating set and air can the heat pump machine provide 55-60 ℃ of warm water for holding water tank to carry out the concurrent heating to 70 ℃ to it through gas hot-water unit, if the temperature in the holding water tank is less than 50 ℃, then heat to 55 ℃ through the air can the heat pump machine earlier, then the gas hot-water unit heats to 70 ℃ again, thereby has further improved heating efficiency, guarantees user's normal use.
Description
Technical Field
The utility model belongs to the technical field of the hot water supply and specifically relates to a central hot water system of distributing type complex energy type.
Background
At present, most production industries needing high-temperature hot water use a biomass boiler, a pure gas boiler or an electric boiler to supply hot water to a production line, but the energy consumption of the water heater for heating and supplying hot water is very high and is not environment-friendly, and the use of the production industries needing high-temperature hot water is difficult to meet.
While hotels, for example, use central hot water supply systems to supply hot water. The existing central hot water system is generally only provided with one water heater, the water inlet temperature is low in winter, the water consumption of a user is large, the water consumption exceeds the upper limit of the load of the water heater, the phenomenon that the water is not hot appears, and the normal use of hot water by the user is seriously influenced especially in large-dwelling hot water systems such as villas and the like.
In order to solve the problem of insufficient load of central hot water systems in large-scale places such as hotels, villas and the like, a multi-machine parallel connection mode is generally adopted, and an independent controller is generally required to be arranged in the mode, so that the pipeline layout and the electrical wiring are complex, the cost is high, and the practicability is poor.
Disclosure of Invention
The utility model provides a not enough to prior art, the utility model provides a central hot water system of distributing type complex energy type, user's water consumption can be guaranteed to this system to guarantee the temperature of water.
The technical scheme of the utility model is that: a distributed composite energy type central hot water system comprises a gas generator set, a heat storage and heat preservation water tank, a directly-heated air energy heat pump unit and a gas hot water unit, wherein a water inlet of the gas generator set is communicated with a cold water pipeline, a hot water outlet of the gas generator set is communicated with the heat storage and heat preservation water tank through a hot water pipeline, and the gas generator set heats cold water by using cylinder sleeve water and waste heat of the gas generator set and outputs warm water at 60 ℃ to the heat storage and heat preservation water tank;
the gas generator set outputs 18-25KW of electric power to the directly-heated air energy heat pump set, a water inlet of the directly-heated air energy heat pump set is connected with a cold water pipeline, and a water outlet of the directly-heated air energy heat pump set is communicated with the heat storage and heat preservation water tank through a hot water pipeline; the directly-heated air energy heat pump unit outputs warm water at 55 ℃ to the heat storage and heat preservation water tank;
the gas water heater unit comprises a primary heating gas unit and a secondary afterburning gas unit, wherein a water inlet of the primary heating gas unit is connected with a cold water pipeline, and a water outlet of the primary heating gas unit is communicated with the heat storage and heat preservation water tank through a hot water pipeline so as to convey hot water at 70 ℃ to the heat storage and heat preservation water tank;
the water inlet of the secondary after-combustion gas unit is connected with the heat storage and heat preservation water tank through a temperature supplementing circulating pipeline, the water outlet of the secondary after-combustion gas unit is connected with the heat storage and heat preservation water tank through a hot water pipeline, water in the heat storage and heat preservation water tank is conveyed to the secondary after-combustion gas unit for heat supplementing treatment to 70 ℃, and the hot water with the temperature being supplemented to 70 ℃ is conveyed to the heat storage and heat preservation water tank.
Preferably, the water level of the heat storage and heat preservation water tank is less than or equal to 80%, the gas generator set automatically supplies water to the heat storage and heat preservation water tank, and if the water level of the heat storage and heat preservation water tank is more than or equal to 95%, the gas generator set stops supplying water to the heat storage and heat preservation water tank.
Preferably, when the water level of the heat storage and heat preservation water tank is less than or equal to 80%, the direct-heating air energy heat pump unit automatically replenishes water for the heat storage and heat preservation water tank; and if the water level of the heat storage and heat preservation water tank is more than or equal to 95%, the directly-heated air energy heat pump unit stops supplying water to the heat storage and heat preservation water tank.
Preferably, the total water yield of the gas generator set and the directly-heated air energy heat pump unit is less than or equal to 3m3H; the hot water quantity output by the heat storage and heat preservation water tank to a user is 7m3And h, supplementing insufficient water for the heat storage and preservation water tank through the primary heating gas unit.
Preferably, the water level of the heat storage and heat preservation water tank is less than or equal to 60%, the primary heating gas set automatically replenishes water for the heat storage and heat preservation water tank, and if the water level of the heat storage and heat preservation water tank is greater than or equal to 79%, the primary heating gas set stops replenishing water.
Preferably, if the water temperature of the heat storage and heat preservation water tank is less than or equal to 70 ℃, the water in the heat storage and heat preservation water tank is conveyed to the secondary afterburning gas turbine unit to supplement the temperature to 70 ℃, and if the water temperature of the heat storage and heat preservation water tank is greater than or equal to 72 ℃, the secondary afterburning gas turbine unit stops heating the water in the heat storage and heat preservation water tank.
Preferably, the heat storage and heat preservation water tank is further communicated with the directly-heated air energy heat pump unit through a temperature compensation circulating pipeline, if the water temperature of the heat storage and heat preservation water tank is less than or equal to 50 ℃, water in the heat storage and heat preservation water tank is conveyed to the directly-heated air energy heat pump unit through the temperature compensation circulating pipeline to be compensated to 55 ℃, and when the water temperature is greater than 55 ℃, the directly-heated air energy heat pump unit stops heating.
Preferably, the gas water heating unit comprises 1 or more distributed gas water heating furnaces.
Preferably, primary heating electric valves are arranged on cold water pipelines of the directly-heated air energy heat pump unit and the primary heating gas unit; and a secondary afterburning warming valve is arranged on a temperature supplementing circulating pipeline between the secondary afterburning gas unit and the heat storage and heat preservation water tank, and a secondary constant temperature heating electric valve is arranged on a temperature supplementing circulating pipeline between the heat storage and heat preservation water tank and the directly-heated air energy heat pump unit.
Preferably, the temperature compensation circulating pipeline is further provided with a variable frequency pump set, and the temperature compensation circulating pipeline is respectively connected with the secondary afterburning gas unit and the directly-heated air energy heat pump unit after passing through the variable frequency pump set.
The utility model has the advantages that:
1. the utility model utilizes the cylinder sleeve water and the smoke waste heat of the cylinder sleeve water to heat the cold water by utilizing the gas generator set, thereby further fully utilizing the waste heat resource of the gas generator set;
2. the gas generator set of the utility model can also provide corresponding electric power for the air energy heat pump machine, ensure the working power of the directly-heated air energy heat pump machine set, and provide warm water with the temperature of 55 ℃ through the air energy heat pump machine, further improve the system efficiency;
3. the utility model provides warm water of 55-60 ℃ for the heat storage and heat preservation water tank through the air energy heat pump of the gas generator set, and supplements water of 70 ℃ for the heat preservation water through the once heating gas generator set, thereby ensuring the water consumption of users and the water temperature;
4. the utility model discloses an air can heat pump machine still has the function of mending temperature, if the temperature in the heat accumulation heat preservation water tank is less than 50 ℃, then heat to 55 ℃ through air can heat pump machine earlier, then rethread secondary afterburning gas turbine group heats to 70 ℃ to further improve heating efficiency, guaranteed user's normal use.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic structural view of a part of the structural method of the present invention;
in the figure, 1-a gas generator set, 2-a heat storage and insulation water tank, 3-a directly-heated air energy heat pump set, 4-a primary heating gas set, 5-a secondary afterburning gas set, 6-a primary heating electric valve, 7-a secondary afterburning temperature rise valve, 8-a secondary constant temperature heating electric valve and 9-a frequency conversion pump set.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1 and 2, a distributed complex energy central hot water system includes a gas generator set 1, a heat storage and preservation water tank 2, and a directly-heated air heaterThe gas energy heat pump unit 3, gas hot water unit, the water inlet and the cold water pipeline intercommunication of gas generating set 1, the hot water delivery port of gas generating set 1 pass through hot water pipeline and heat accumulation holding water box 2 intercommunication, gas generating set 1 utilize its cylinder liner water and waste heat to give cold water heating and to heat accumulation holding water box 2 output 60 ℃ warm water. Thereby making full use of the cylinder liner water and the waste heat of the gas generator set 1. The gas generator set 1 outputs 18-25KW of electric power to the directly-heated air energy heat pump set 3, a water inlet of the directly-heated air energy heat pump set 3 is connected with a cold water pipeline, and a water outlet of the directly-heated air energy heat pump set 3 is communicated with the heat storage and heat preservation water tank 2 through a hot water pipeline; the directly-heated air energy heat pump unit 3 outputs warm water of 55 ℃ to the heat storage and heat preservation water tank 2; wherein, the total water yield of the gas generator set 1 and the directly-heated air energy heat pump unit 3 is less than or equal to 3m3H; therefore, the gas generator set 1 and the directly-heated air-source heat pump unit 3 are generally started first.
The gas hot water unit include once heat the gas unit 4 and the secondary afterburning gas unit 5, the water inlet and the cold water pipe connection of once heating the gas unit 4, the delivery port of once heating the gas unit 4 pass through hot water pipe and 2 intercommunications of heat accumulation holding water tank to carry 70 ℃ hot water for heat accumulation holding water tank 2. The water inlet of the secondary after-combustion gas turbine unit 5 is connected with the heat storage and heat preservation water tank 2 through a temperature supplementing circulating pipeline, the water outlet of the secondary after-combustion gas turbine unit 5 is connected with the heat storage and heat preservation water tank 2 through a hot water pipeline, and water in the heat storage and heat preservation water tank 2 is conveyed to the secondary after-combustion gas turbine unit 5 for heat supplementing treatment, so that the water in the heat storage and heat preservation water tank 2 is conveyed to the heat storage and heat preservation water tank 2 after being subjected to temperature supplementing treatment to 70 ℃. Wherein, the primary heating gas unit 4 and the secondary afterburning gas unit 5 respectively comprise 1 or more distributed gas water heaters.
Preferably, in this embodiment, when the water level of the heat storage and heat preservation water tank 2 is less than or equal to 80%, the gas generator set 1 automatically supplies water to the heat storage and heat preservation water tank 2, and if the water level of the heat storage and heat preservation water tank 2 is greater than or equal to 95%, the gas generator set 1 stops supplying water to the heat storage and heat preservation water tank.
Preferably, in the embodiment, when the water level of the heat storage and heat preservation water tank 2 is less than or equal to 80%, the directly-heated air energy heat pump unit 3 automatically replenishes water to the heat storage and heat preservation water tank 2; if the water level of the heat storage and heat preservation water tank 2 is more than or equal to 95%, the directly-heated air energy heat pump unit 3 stops supplying water to the heat storage and heat preservation water tank 2.
Preferably, in the embodiment, the hot water output from the heat storage and preservation water tank 2 to the user is 7m3H and the water temperature output is 70 ℃. Therefore, the heat-storage and warm-keeping water tank 2 needs to be replenished with insufficient water by the primary heating gas unit 4. The water level of the heat storage and heat preservation water tank 2 is less than or equal to 60%, the primary heating gas set 4 automatically replenishes water for the heat storage and heat preservation water tank 2, and if the water level of the heat storage and heat preservation water tank 2 is more than or equal to 79%, the primary heating gas set 4 stops replenishing water.
Preferably, in this embodiment, if the water temperature of the heat storage and preservation water tank 2 is less than or equal to 70 ℃, the water in the heat storage and preservation water tank 2 is conveyed to the secondary afterburning gas turbine unit 5 to supplement the temperature to 70 ℃, and if the water temperature of the heat storage and preservation water tank 2 is greater than or equal to 72 ℃, the secondary afterburning gas turbine unit 5 stops heating the water in the heat storage and preservation water tank.
Preferably, the heat storage and heat preservation water tank 2 is further communicated with the directly-heated air energy heat pump unit 3 through a temperature compensation circulation pipeline, if the water temperature of the heat storage and heat preservation water tank 2 is less than or equal to 50 ℃, the water in the heat storage and heat preservation water tank 2 is conveyed to the directly-heated air energy heat pump unit 3 through the temperature compensation circulation pipeline to be compensated to 55 ℃, and when the water temperature is greater than 55 ℃, the directly-heated air energy heat pump unit 3 stops heating.
Preferably, a primary heating electric valve 6 is arranged on the cold water pipelines of the directly-heated air energy heat pump unit 3 and the primary heating gas unit 4; and a secondary afterburning warming valve 7 is arranged on a temperature compensation circulating pipeline between the secondary afterburning gas unit 5 and the heat storage and heat preservation water tank 2, and a secondary constant-temperature heating electric valve 8 is arranged on a temperature compensation circulating pipeline between the heat storage and heat preservation water tank 2 and the directly-heated air energy heat pump unit 3. And the temperature compensation circulating pipeline is also provided with a variable frequency pump set 9, and the temperature compensation circulating pipeline is respectively connected with the secondary afterburning gas unit 5 and the directly-heated air energy heat pump unit 3 after passing through the variable frequency pump set 9.
The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.
Claims (9)
1. The utility model provides a central hot water system of distributing type complex energy type which characterized in that: the gas generator set heats cold water by using cylinder sleeve water and flue gas waste heat of the gas generator set and outputs warm water at 60 ℃ to the heat storage and heat preservation water tank;
the gas generator set outputs 18-25KW of electric power to the directly-heated air energy heat pump set, a water inlet of the directly-heated air energy heat pump set is connected with a cold water pipeline, and a water outlet of the directly-heated air energy heat pump set is communicated with the heat storage and heat preservation water tank through a hot water pipeline; the directly-heated air energy heat pump unit outputs warm water at 55 ℃ to the heat storage and heat preservation water tank;
the gas water heater unit comprises a primary heating gas unit and a secondary afterburning gas unit, wherein a water inlet of the primary heating gas unit is connected with a cold water pipeline, and a water outlet of the primary heating gas unit is communicated with the heat storage and heat preservation water tank through a hot water pipeline so as to convey hot water at 70 ℃ to the heat storage and heat preservation water tank;
the water inlet of the secondary after-combustion gas unit is connected with the heat storage and heat preservation water tank through a temperature supplementing circulating pipeline, the water outlet of the secondary after-combustion gas unit is connected with the heat storage and heat preservation water tank through a hot water pipeline, water in the heat storage and heat preservation water tank is conveyed to the secondary after-combustion gas unit for heat supplementing treatment to 70 ℃, and the hot water with the temperature being supplemented to 70 ℃ is conveyed to the heat storage and heat preservation water tank.
2. The distributed complex energy type central hot water system according to claim 1, characterized in that: the water level of the heat storage and heat preservation water tank is less than or equal to 80%, the gas generator set automatically supplies water to the heat storage and heat preservation water tank, and if the water level of the heat storage and heat preservation water tank is more than or equal to 95%, the gas generator set stops supplying water to the heat storage and heat preservation water tank.
3. The distributed complex energy type central hot water system according to claim 1, characterized in that: when the water level of the heat storage and heat preservation water tank is less than or equal to 80%, the directly-heated air energy heat pump unit automatically replenishes water for the heat storage and heat preservation water tank; and if the water level of the heat storage and heat preservation water tank is more than or equal to 95%, the directly-heated air energy heat pump unit stops supplying water to the heat storage and heat preservation water tank.
4. The distributed complex energy type central hot water system according to claim 1, characterized in that: the water level of the heat storage and heat preservation water tank is less than or equal to 60%, the primary heating gas unit automatically replenishes water for the heat storage and heat preservation water tank, and if the water level of the heat storage and heat preservation water tank is more than or equal to 79%, the primary heating gas unit stops replenishing water.
5. The distributed complex energy type central hot water system according to claim 1, characterized in that: if the water temperature of the heat storage and heat preservation water tank is less than or equal to 70 ℃, the water in the heat storage and heat preservation water tank is conveyed to a secondary afterburning gas turbine unit to supplement the temperature to 70 ℃, and if the water temperature of the heat storage and heat preservation water tank is more than or equal to 72 ℃, the secondary afterburning gas turbine unit stops heating the water in the heat storage and heat preservation water tank.
6. The distributed complex energy type central hot water system according to claim 1, characterized in that: the heat storage and heat preservation water tank is communicated with the directly-heated air energy heat pump unit through a temperature compensation circulating pipeline, if the water temperature of the heat storage and heat preservation water tank is less than or equal to 50 ℃, water in the heat storage and heat preservation water tank is conveyed to the directly-heated air energy heat pump unit through the temperature compensation circulating pipeline to be compensated to 55 ℃, and when the water temperature is more than 55 ℃, the directly-heated air energy heat pump unit stops heating.
7. The distributed complex energy type central hot water system according to claim 1, characterized in that: the primary heating gas unit and the secondary afterburning gas unit respectively comprise 1 or more distributed gas water heaters.
8. The distributed complex energy type central hot water system according to claim 1, characterized in that: the cold water pipelines of the directly-heated air energy heat pump unit and the primary heating gas unit are provided with primary heating electric valves; and a secondary afterburning warming valve is arranged on a temperature supplementing circulating pipeline between the secondary afterburning gas unit and the heat storage and heat preservation water tank, and a secondary constant temperature heating electric valve is arranged on a temperature supplementing circulating pipeline between the heat storage and heat preservation water tank and the directly-heated air energy heat pump unit.
9. The distributed complex energy type central hot water system according to claim 1, characterized in that: the temperature compensation circulating pipeline is also provided with a variable frequency pump set, and the temperature compensation circulating pipeline is respectively connected with the secondary afterburning gas unit and the directly-heated air energy heat pump unit after passing through the variable frequency pump set.
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|---|---|---|---|
| CN202020423394.2U CN212006199U (en) | 2020-03-30 | 2020-03-30 | Distributed composite energy type central hot water system |
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| CN202020423394.2U CN212006199U (en) | 2020-03-30 | 2020-03-30 | Distributed composite energy type central hot water system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234446A (en) * | 2021-12-21 | 2022-03-25 | 清农集团有限公司 | Slaughter scalding heating system |
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- 2020-03-30 CN CN202020423394.2U patent/CN212006199U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234446A (en) * | 2021-12-21 | 2022-03-25 | 清农集团有限公司 | Slaughter scalding heating system |
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