CN213777895U - Solar energy and air energy double-cylinder heat storage indirect intelligent hot water station - Google Patents
Solar energy and air energy double-cylinder heat storage indirect intelligent hot water station Download PDFInfo
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- CN213777895U CN213777895U CN202021471514.2U CN202021471514U CN213777895U CN 213777895 U CN213777895 U CN 213777895U CN 202021471514 U CN202021471514 U CN 202021471514U CN 213777895 U CN213777895 U CN 213777895U
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The utility model discloses a solar energy, air can double-cylinder heat accumulation indirect type intelligence hot water station, its structural feature is that the water supply and supply water tank is connected with the water inlet of heat collecting pump through relevant valve and pipeline, the outlet header pipe of heat collecting pump is connected with the water inlet of electronic water treatment instrument, the outlet header pipe of electronic water treatment instrument gets into the air source heat pump, the return water gets into the water supply and supply water tank by the air source heat pump through deciding external temperature detector and air can heat collection return water temperature sensor; one of the heat collecting pump outlet header pipes is connected with an anti-freezing emptying valve, and the other one of the heat collecting pump outlet header pipes is connected with a water inlet of the roof solar heat collecting module and is connected with the outlet header pipe into a heat collecting and exchanging water tank; the utility model discloses a hot water storage tank and hot water supply tank both can save a large amount of heats, ensure the utilization solar energy and the air energy of maximum efficiency, can ensure the hot-water supply of constant temperature and constant pressure again, are one kind and utilize solar energy, the new product of air source binocular ordinary pressure thermal-arrest heat accumulation.
Description
Technical Field
The utility model relates to a to big, the long and abundant northwest and southwest area of solar energy of low temperature weather in a year of difference in temperature round the clock utilize air heat energy and solar energy to combine together, each other is for replenishing the automatic intelligent medium-large-scale energy-conserving hot water station of new forms of energy of concentrating that produces life hot water, and this station branch is equipped with heat storage water tank and heat supply water tank, and heat storage water tank stores heat energy, and the heat supply water tank guarantees constant temperature water supply. The hot water service is supplied for enterprises, communities, hotels and schools.
Background
The solar energy in the northwest and southwest areas is rich, but the temperature in spring and winter is generally low, the temperature difference between day and night is large, the water quality is hard, how to more save energy, more reasonably, more efficiently and more conveniently utilize the combination of the solar energy and the air energy in the northwest and southwest areas to produce the domestic hot water is a new product for development, the life quality of people is improved, and the problem to be solved for meeting the production requirement is solved. The utility model discloses a novel new forms of energy hot water station that comprehensive advance developed to above-mentioned specific regional energy, it has the not comprehensive technological advantage of like product on preventing frostbite, scale control, energy-efficient, environmental protection, intellectuality, system rationalization and compact structure.
Disclosure of Invention
In view of the above, the utility model aims at providing a solar energy, air can double-cylinder heat accumulation indirect-type intelligence hot water station, this station is adapted to northwest, southwest area environment, effectively utilizes air heat energy and solar energy production life hydrothermal, collects in energy-efficient intelligence hot water station of an organic whole that prevents frostbite, scale control. Its compact structure, intelligent control level are high, for integral unmanned on duty's intelligent hot water station, and this hot water station can furthest's storage hot water, can guarantee constant temperature constant voltage simultaneously and supply water.
The purpose of the utility model can be realized by the following technical proposal:
solar energy, air can double-cylinder heat accumulation indirect type intelligence hot water station branch outdoor portion and indoor unit two parts constitute: the outdoor part contains: firstly, a first air source heat pump 1-1, a second air source heat pump 1-2, a return water main pipe temperature sensor T2, an outdoor temperature sensor T3, a related valve pipeline bracket and the like; a solar heat collection module 9, a temperature sensor T6 of a water supply main pipe and a water return main pipe, a temperature sensor T7 of a water outlet main pipe of a solar heat collector, a related valve pipeline bracket and the like; the indoor machine room contains: the system comprises a first air source heat pump heat collection pump 2-1, a second air source heat pump heat collection pump 2-2, a hot water supply tank 3-1, a hot water storage tank 3-2, a solar heat collection and exchange water tank 3-3, a first water supply and circulating pump 4-1, a second water supply and circulating pump 4-2, a first solar heat collection pump 5-1, a second solar heat collection pump 5-2, a first electronic water treatment instrument 6-1, a second electronic water treatment instrument 6-2, an intelligent control cabinet 7, a water supply air pressure tank 8, a water softener 10, a first heat exchange pump 11-1, a second heat exchange pump 11-2, a relevant heat collection system valve bank, a tap water replenishing valve bank, a backwater valve bank, a heat collection system anti-freezing emptying valve bank and the like. The structure is characterized in that: the system has four connection modes:
connecting a heat collecting system:
connecting an air energy heat collecting system: the water supply and heating tank 3-1 is connected with a first air source heat pump heat collection pump 2-1 and a water inlet of a second air source heat pump heat collection pump 2-2 through related valves and pipelines, the first air source heat pump heat collection pump 2-1, an outlet header pipe of the second air source heat pump heat collection pump 2-2 is connected with a water inlet of a first electronic water treatment instrument 6-1, one outlet header pipe of the first electronic water treatment instrument 6-1 is connected with an anti-freezing evacuation electromagnetic valve D4 valve group, the other outlet header pipe is connected with the first air source heat pump 1-1 and a water inlet of the second air source heat pump 1-2 and then connected with the water supply and heating tank 3-1, and an outdoor temperature sensor T3 and an air source heat pump backwater temperature sensor T2 are connected with an intelligent control cabinet 7;
connecting the solar heat collecting system: the tap water inlet control valve D3 is connected with the water softener 10, the outlet of the water softener 10 is connected with the solar heat collection and exchange water tank 3-3, the solar heat collection and exchange water tank 3-3 is connected with the water inlets of the first solar heat collection pump 5-1 and the second solar heat collection pump 5-2 through related valves and pipelines, one outlet header pipe of the first solar heat collection pump 5-1 and the second solar heat collection pump 5-2 is connected with the anti-freezing evacuation electromagnetic valve D5, the other outlet header pipe is connected with the water inlet of the roof solar heat collection module 9, and the outlet header pipe of the solar heat collection module 9 is connected into the solar heat collection and exchange water tank 3-3; the outdoor pipeline temperature sensor T6 and the backwater temperature sensor T7 are connected with the intelligent control cabinet 7; and a tap water inlet electromagnetic valve D3 and a solar heat collection and exchange water tank chamber liquid level sensor P3 are connected with the intelligent control cabinet 7.
Connection of a heat exchange system: the water inlet main pipes of the first heat exchange pump 11-1 and the second heat exchange pump 11-2 are connected with a heat exchange adjusting three-way electric valve D6-1 through pipe valves, the other two water inlets of the heat exchange adjusting three-way electric valve D6-1 are respectively connected with water outlet interfaces of a hot water supply tank 3-1 and a heat storage water tank 3-2, the outlet main pipe of the heat exchange pump is connected with a second electronic water treatment instrument 6-2, the outlet of the second electronic water treatment instrument 6-2 is in contact with a built-in heat exchanger connecting pipe of a solar heat collection and exchange water tank, the outlet of the built-in heat exchanger is connected with the inlet of a heat exchange adjusting three-way electric valve D6-2, and the two outlets of the heat exchange adjusting three-way electric valve D6-2 are respectively connected with the hot water supply tank 3-1 and the heat storage water tank 3-2 to form a circulating heat exchange loop.
The connection of a water replenishing system: tap water enters the upper part of the water supply and heating tank 3-1 through a water replenishing electromagnetic valve D2-1 valve group and enters the upper part of the heat storage water tank 3-2 through a water replenishing electromagnetic valve D2-2 valve group, the heat storage water tank 3-2 is communicated with the bottom of the water supply and heating tank 3-1 through a pipe valve, and the water replenishing electromagnetic valves D2-1 and D2-2, a water tank bottom liquid level sensor P1 and a heat storage water tank liquid level sensor P6 are connected with the control cabinet 7.
Connection of water supply and low-temperature circulation system: the first water supply and circulating pump 4-1 and the second water supply and circulating pump 4-2 are connected with the water supply and heating tank 3-1 through related valve sets, outlets of the first water supply and circulating pump and the second water supply and circulating pump are connected to a water supply pipeline and the air pressure tank 8, a water inlet of the water return temperature control valve set D1 is connected with a water return pipe (an outer net enters a machine room) for supplying water, the outlets of the water return temperature control valve set D1 are connected with the water supply and heating tank 3-1, and a pressure sensor P2 and a water return temperature control electric valve D1 at the outlet of the water supply and circulating pump and a water return temperature sensor T5 are connected with the control cabinet 7.
The utility model discloses compare the advantage that has with prior art list and see table 1:
table 1 the utility model discloses compare the advantage that has with prior art:
to sum up, the utility model discloses to the user that needs big-and-middle-sized concentrated supply life hot water, solar energy collection mode is under the ordinary pressure operating mode, and the system is equipped with solar energy collection hot water tank, heat storage water tank and heat supply water tank, both can store a large amount of heats, ensures the utilization solar energy and the air energy of maximum efficiency, can ensure again that constant temperature and constant pressure supplies water, can provide convenience for units such as school, factory and mining enterprise, hotel, army, real estate.
Drawings
FIG. 1: the utility model discloses system architecture schematic diagram.
The names of the components in the figure are shown in table 2.
TABLE 2 names of the components
Detailed Description
The technical solution of the present invention is further explained below with reference to the accompanying drawings:
a solar energy and air energy double-cylinder heat storage indirect type intelligent hot water station outdoor part and an indoor unit are composed. The outdoor part contains: firstly, a first air source heat pump 1-1, a second air source heat pump 1-2, a return water main pipe temperature sensor T2, an outdoor temperature sensor T3, a related valve pipeline bracket and the like; a solar heat collection module 9, a temperature sensor T6 of a water supply main pipe and a water return main pipe, a temperature sensor T7 of a water outlet main pipe of a solar heat collector, a related valve pipeline bracket and the like; the indoor machine room contains: the system comprises a first air source heat pump heat collection pump 2-1, a second air source heat pump heat collection pump 2-2, a hot water supply tank 3-1, a heat storage water tank 3-2, a solar heat collection and exchange water tank 3-3, a first water supply and circulating pump 4-1, a second water supply and circulating pump 4-2, a first solar heat collection pump 5-1, a second solar heat collection pump 5-2, a first electronic water treatment instrument 6-1, a second electronic water treatment instrument 6-2, an intelligent control cabinet 7, a water supply air pressure tank 8, a water softener 10, heat exchange pumps 11-1, 11-2, relevant heat collection system valve banks, a tap water replenishing valve bank, a water return valve bank, a heat collection system anti-freezing emptying valve bank and the like. The structure is characterized in that: the system comprises the following connection modes:
connecting a heat collecting system:
connecting an air energy heat collecting system: the water supply and heating tank 3-1 is connected with the water inlets of the first air source heat pump heat collection pump 2-1 and the second air source heat pump heat collection pump 2-2 through related valves and pipelines, the outlet header pipe of the first air source heat pump heat collection pump 2-1 and the second air source heat pump heat collection pump 2-2 is connected with the water inlet of the first electronic water treatment instrument 6-1, one outlet header pipe of the first electronic water treatment instrument 6-1 is connected with an anti-freezing evacuation electromagnetic valve D4 valve group, the other outlet header pipe is connected with the water inlet of the first air source heat pump 1-1 and the second air source heat pump 1-2 and then is connected with the water supply and heating tank 3-1, and the outdoor temperature sensor T3 and the air source heat pump backwater temperature sensor T2 are connected with the intelligent control cabinet 7;
connecting the solar heat collecting system: the tap water inlet control valve D3 is connected with the water softener 10, the outlet of the water softener 10 is connected with the solar heat collection and exchange water tank 3-3, the solar heat collection and exchange water tank 3-3 is connected with the water inlets of the first solar heat collection pump 5-1 and the second solar heat collection pump 5-2 through related valves and pipelines, one outlet header pipe of the first solar heat collection pump 5-1 and the second solar heat collection pump 5-2 is connected with the anti-freezing evacuation electromagnetic valve D5, the other outlet header pipe is connected with the water inlet of the roof solar heat collection module 9, and the outlet header pipe of the solar heat collection module 9 is connected into the solar heat collection and exchange water tank 3-3; the outdoor pipeline temperature sensor T6 and the backwater temperature sensor T7 are connected with the intelligent control cabinet 7; and a tap water inlet electromagnetic valve D3 and a solar heat collection and exchange water tank chamber liquid level sensor P3 are connected with the intelligent control cabinet 7.
A main pipe of a heat exchange system, which is connected with a water inlet of a first heat exchange pump 11-1 and a water inlet of a second heat exchange pump 11-2, is connected with a heat exchange adjusting three-way electric valve D6-1 through a pipe valve, the other two water inlets of the heat exchange adjusting three-way electric valve D6-1 are respectively connected with a water outlet interface of a hot water supply tank 3-1 and a water outlet interface of a hot water storage tank 3-2, an outlet main pipe of the heat exchange pump is connected with a second electronic water treatment instrument 6-2, an outlet of the second electronic water treatment instrument 6-2 is in collision with a connecting pipe of a built-in heat exchanger of a solar heat collection water tank, an outlet of the built-in heat exchanger is connected with an inlet of a heat exchange adjusting three-way electric valve D6-2, and two outlets of the heat exchange adjusting three-way electric valve D6-2 are respectively connected with the hot water supply tank 3-1 and the hot water storage tank 3-2 to form a circulating heat exchange loop.
The connection of a water replenishing system: tap water enters the upper part of the hot water supply tank 3-1 through a water supplementing electromagnetic valve D2-1 valve group and enters the upper part of the heat storage water tank 3-2 through a water supplementing electromagnetic valve D2-2 valve group, the heat storage water tank 3-2 is communicated with the bottom of the hot water supply tank 3-1 through a pipe valve, and the first water supplementing electromagnetic valve D2-1, the second water supplementing electromagnetic valve D2-2, the water tank bottom liquid level sensor P1 and the heat storage water tank liquid level sensor P6 are connected with the control cabinet 7.
Connection of water supply and low-temperature circulation system: the first water supply and circulating pump 4-1, the second water supply and circulating pump 4-2 are connected with the water supply and heating tank 3-1 through related valve sets, the outlet is connected to a water supply pipeline and the air pressure tank 8, the water inlet of the water return temperature control valve set D1 is connected to a water return pipe of an external network for supplying water to a machine room, the outlet is connected with the water supply and heating tank 3-1, and the pressure sensor P2, the water return temperature control electric valve D1 and the water return temperature sensor T5 at the outlet of the water supply and circulating pump are connected with the control cabinet 7.
Description of the operating principle of the system:
firstly, an operation principle of the air energy heat collection system is explained: when the water temperature of the hot water supply tank is lower than the set water supply temperature and the water level of the water tank is higher than the set lowest water level, and when the outside air temperature is higher than the set temperature, the air source heat pump heat collection pump circulates cold water in the water tank to the air source heat pump through the electronic water treatment instrument for heating, and the water temperature of the water tank is automatically stopped when being increased to a set value; the air source heat pump is started in a delayed mode after the air source heat pump heat collection pump is started, and is stopped when the air source heat pump heat collection pump is stopped; the air source heat pump heat collection pump is started before the air source heat pump is started and stopped after the air source heat pump is stopped; the electronic water treatment instrument prevents calcium and magnesium ions in water from gathering through a generated high-frequency electric field, and reduces scaling in a heat collecting pipeline and equipment; and meanwhile, when the outdoor temperature is lower than the set value, the air source heat pump heat collection water pump is stopped, the anti-freezing electromagnetic valve on the heat collection system pipeline is opened, water in the evacuated outdoor pipeline enters the water tank for anti-freezing, and when the outdoor temperature is higher than the set value, the anti-freezing evacuation electromagnetic valve is closed.
Explanation of solar heat collection principle: when the water temperature T8 of the solar heat collection and exchange water tank is lower than the outlet temperature T7 of the solar heat collection and exchange water tank by a certain temperature difference and the water level P3 of the solar heat collection and exchange water tank 3-3 is higher than the set lowest water level, the solar heat collection and exchange water pump circulates the soft water in the solar heat collection and exchange water tank into the solar heat collection and exchange water tank to heat, and the heated water returns to the solar heat collection and exchange water tank; stopping the pump until the temperature difference is less than a set value, and circularly heating in the way; when the outdoor temperature T5 is lower than the set anti-freezing value, the solar heat collecting pump stops, the anti-freezing emptying electromagnetic valve D5 on the heat collecting system pipeline is opened, water in the emptying outdoor pipeline enters the solar heat collecting and exchanging water tank for anti-freezing, and when the outdoor temperature is higher than the set value, the anti-freezing emptying electromagnetic valve is closed. Because the solar heat collection module adopts a vertical arrangement mode, the quantity of softened water used for circulation in the pipeline is small.
Description of control:
air source heat pump heat collection pump 2:
firstly, through the water level parameter transmitted by a water level sensor P1 in the hot water supply tank 3-1, when the actual water level is higher than the set lowest water level parameter (higher than a water intake of an air source heat pump heat collection pump by a certain value), the air source heat pump heat collection pump is in a starting state;
secondly, through the water temperature parameter transmitted by the water temperature sensor T1 in the water supply tank 3-1, when the actual water temperature is lower than the set lowest water temperature parameter (lower than the water supply temperature by a certain value), the heat collection pump of the air source heat pump is in a starting state;
when the ambient temperature is higher than a set parameter (an ambient temperature value when the air source heat pump is started and has a high energy efficiency ratio), the air source heat pump heat collection pump is started under the two working conditions in a starting state, when the temperature measured by the temperature sensor T1 of the water supply tank 3-1 reaches a set water supply temperature value, the first air source heat pump 1-1 and the second air source heat pump 1-2 stop heating, and the first air source heat pump 1-1 and the second air source heat pump 1-2 stop heating;
air source heat pump 1:
firstly, an air source heat pump is started in a delayed manner after a first air source heat pump heat collection pump 2-1 and a second air source heat pump heat collection pump 2-2 are started;
stopping when the first air source heat pump heat collection pump 2-1 and the second air source heat pump heat collection pump 2-2 stop;
2, a heat exchange system:
2.1 composition of heat exchange system: the main pipe of the water inlets of the first heat exchange pump 11-1 and the second heat exchange pump 11-2 is connected with a heat exchange adjusting three-way electric valve D6-1 through a pipe valve, the other two water inlets of the heat exchange adjusting three-way electric valve D6-1 are respectively connected with the water taking interfaces of the hot water supply tank 3-1 and the heat storage water tank 3-2, the first heat exchange pump 11-1, an outlet header pipe of a second heat exchange pump 11-2 is connected with a second electronic water treatment instrument 6-2, an outlet of the second electronic water treatment instrument 6-2 is connected with a connecting pipe joint of a built-in heat exchanger of a solar heat collection and exchange water tank, an outlet of the built-in heat exchanger is connected with an inlet of a heat exchange adjusting three-way electric valve D6-2, and the other two outlets of the heat exchange adjusting three-way electric valve D6-2 are respectively connected with a hot water supply tank 3-1 and a hot water storage tank 3-2 to form a circulating heat exchange loop;
2.2 operating principle and control description: when the water temperature T8-T1 or T8-T4 of the solar heat collection and exchange water tank is larger than a set value, the first heat exchange pump 11-1 and the second heat exchange pump 11-2 are started, when the water temperature T1 of the hot water supply tank is smaller than a set water supply temperature value, the heat exchange regulating valves D6-1 and D6-2 are opened to the hot water supply tank, the water temperature T1 of the hot water supply tank is heated to a water supply temperature value, and then the heat exchange regulating valves D6-1 and D6-2 are opened to the heat storage water tank; when the water temperature T8-T1 or T8-T4 of the solar heat collection and exchange water tank is smaller than a set value, the first heat exchange pump 11-1 and the second heat exchange pump 11-2 stop;
3, a water replenishing system:
3.1 System composition:
tap water enters the upper part of the water supply tank 3-1 through a water replenishing electromagnetic valve D2-1 valve group and enters the upper part of the heat storage tank 3-2 through a water replenishing electromagnetic valve D2-2 valve group, the heat storage tank 3-2 is communicated with the bottom of the water supply tank 3-1 through a pipe valve, and the water replenishing electromagnetic valve D2-1, the water replenishing electromagnetic valve D2-2, a water tank bottom liquid level sensor P1 and a heat storage tank liquid level sensor P6 are connected with the control cabinet 7;
3.2 operation principle and control description:
normal water replenishing: the water in the hot water supply tank 3-1 is supplied to the hot water supply tank through a connecting pipe which is opened at the upper part of the hot water storage tank 3-2, the hot water storage tank 3-2 is full of water at ordinary times, high-water-level water supplement is adopted, namely when the water level detected by a liquid level sensor P6 of the hot water storage tank is lower than the high water level, a D2-2 electromagnetic valve is opened to supplement water, and thus the supplement water in the hot water supply tank is ensured to be the hot water in the past of the hot water storage tank 3-2; when the water temperature T1 of the hot water supply tank 3-1 is higher than the set water supply temperature (water supplement is carried out under the condition that the water temperature of the hot water storage tank is overhigh), and the water level of a liquid level sensor P1 of the hot water supply tank is lower than the set highest water level, the D2-1 control valve is opened to carry out temperature regulation and water supplement; when T1 is close to the water supply temperature, the D2-1 control valve is closed;
② under special condition: when the water consumption is too large or the water temperature of the heat storage water tank 3-2 is close to the water inlet temperature of tap water, water is not required to be supplemented from the heat storage water tank 3-2, and a D2-1 control valve is opened to supplement water under the manual condition through related keys on a touch screen of the control cabinet 7.
4, water supply and low-temperature circulating system:
4.1 System composition:
a first water supply and circulating pump 4-1, a second water supply and circulating pump 4-2 are connected with a water supply and heating tank 3-1 through a related valve set, an outlet is connected to a water supply pipeline and an air pressure tank 8, a water inlet of a water return temperature control valve set D1 is connected with a water return pipe (an external network enters a machine room) for supplying water, the outlet is connected with the water supply and heating tank 3-1, and a pressure sensor P2, a water return temperature control electric valve D1 and a water return temperature sensor T5 at the outlet of the water supply and circulating pump are connected with a control cabinet 7;
4.2 operation principle and control description:
frequency conversion constant pressure water supply:
when the value measured by a water level sensor P1 in the water tank is lower than the set water supply and circulating pump starting parameter, the water supply and circulating pump can not be started; when the water supply and circulating pump starting parameters are higher than those of the water supply and circulating pump, the water supply and circulating pump is in a starting state;
when the water supply and circulating pump is in a starting state, setting a water supply pressure value on the control cabinet 7, and when the pressure measured by the pressure sensor P2 on the water outlet header pipes of the first water supply and circulating pump 4-1 and the second water supply and circulating pump 4-2 is lower than a set value, starting the water supply and circulating pump; when the pressure sensor P2 detects that the pressure is higher than the set value, the water supply and the circulating pump are stopped;
controlling the return water temperature:
when the temperature detected by a temperature sensor T5 on the water return pipe is lower than the lowest return water temperature, a return water temperature control valve D1 is opened to drain water to the water tank, the pressure in a water supply pipe is reduced in a linkage mode, when the pressure detected by a pressure sensor P2 is lower than a set value, a water supply and circulating pump is started, hot water in the water tank is pumped into a water supply and return pipeline to replace original cold water, and the cold water in the water return pipe flows back to the water tank for secondary heating;
when the temperature sensor T5 detects that the temperature of the hot water in the return pipe is higher than the set value after replacement, the return water temperature control valve D1 is closed, the pressure in the water supply pipe is increased in a linkage mode, and when the pressure detected by the pressure sensor P2 is higher than the set value, the water supply and the circulating pump are stopped.
Claims (1)
1. Solar energy, air can double-cylinder heat accumulation indirect-type intelligence hot water station, the branch outdoor portion and indoor set two parts constitute: the outdoor part contains: firstly, a first air source heat pump (1-1), a second air source heat pump (1-2), a return water main pipe temperature sensor T2, an outdoor temperature sensor T3, a relevant valve pipeline bracket and the like; a solar heat collection module (9) comprises a water supply main pipe temperature sensor T6, a water return main pipe temperature sensor T7, a relevant valve pipeline bracket and the like; the indoor machine room contains: a first air source heat pump heat collection pump (2-1), a second air source heat pump heat collection pump (2-2), a heat supply water tank (3-1), a heat storage water tank (3-2), a solar heat collection and exchange water tank (3-3), a first water supply and circulation pump (4-1), a second water supply and circulation pump (4-2), a first solar heat collection pump (5-1), a second solar heat collection pump (5-2), a first electronic water treatment instrument (6-1), a second electronic water treatment instrument (6-2), an intelligent control cabinet (7), a water supply pressure tank (8), a water softener (10), a first heat exchange pump (11-1), a second heat exchange pump (11-2), a relevant heat collection system valve bank, a tap water replenishing valve bank, a backwater valve bank, a heat collection system antifreezing evacuation and the like, the structure is characterized in that: the system has four connection modes:
connecting a heat collecting system:
connecting an air energy heat collecting system: the water supply tank (3-1) is connected with water inlets of a first air source heat pump heat collection pump (2-1) and a second air source heat pump heat collection pump (2-2) through related valves and pipelines, the first air source heat pump heat collection pump (2-1) and an outlet header pipe of the second air source heat pump heat collection pump (2-2) are connected with a water inlet of a first electronic water treatment instrument (6-1), one outlet header pipe of the first electronic water treatment instrument (6-1) is connected with an anti-freezing emptying electromagnetic valve D4 valve group, the other outlet header pipe is connected with water inlets of the first air source heat pump (1-1) and the second air source heat pump (1-2) after being converged and then connected with the water supply tank (3-1), and an outdoor temperature sensor T3 and an air source return water heat pump temperature sensor T2 are connected with an intelligent control cabinet (7);
connecting the solar heat collecting system: the tap water inlet control valve D3 is connected with the water softener (10), the outlet of the water softener (10) is connected with the solar heat collection and exchange water tank (3-3), the solar heat collection and exchange water tank (3-3) is connected with the water inlets of the first solar heat collection pump (5-1) and the second solar heat collection pump (5-2) through related valves and pipelines, one outlet header pipe of the first solar heat collection pump (5-1) and the second solar heat collection pump (5-2) is connected with the anti-freezing evacuation electromagnetic valve D5, the other outlet header pipe is connected with the water inlet of the roof solar heat collection module (9), and the outlet header pipe of the solar heat collection module (9) is connected into the solar heat collection and exchange water tank (3-3); the outdoor pipeline temperature sensor T6 and the backwater temperature sensor T7 are connected with the intelligent control cabinet (7); a tap water inlet electromagnetic valve D3 and a liquid level sensor P3 of a solar heat collection and exchange water tank chamber are connected with an intelligent control cabinet (7);
connection of a heat exchange system: the main pipe of the water inlets of a first heat exchange pump (11-1) and a second heat exchange pump (11-2) is connected with a heat exchange adjusting three-way electric valve D6-1 through pipe valves, the other two water inlets of the heat exchange adjusting three-way electric valve D6-1 are respectively connected with water outlets of a hot water supply tank (3-1) and a heat storage water tank (3-2), the main pipe of the outlet of the heat exchange pump is connected with a second electronic water treatment instrument (6-2), the outlet of the second electronic water treatment instrument (6-2) is connected with a joint pipe of a built-in heat exchanger of a solar heat collection and exchange water tank, the outlet of the built-in heat exchanger is connected with the inlet of a heat exchange adjusting three-way electric valve D6-2, and the two outlets of the heat exchange adjusting three-way electric valve D6-2 are respectively connected with the hot water supply tank (3-1) and the heat storage water tank 3-2 to form a circulating heat exchange loop;
the connection of a water replenishing system: tap water enters the upper part of a hot water supply tank (3-1) through a water supplementing electromagnetic valve D2-1 valve group and enters the upper part of a heat storage water tank (3-2) through a water supplementing electromagnetic valve D2-2 valve group, wherein the heat storage water tank (3-2) is communicated with the bottom of the hot water supply tank (3-1) through a pipe valve, and the water supplementing electromagnetic valves D2-1 and D2-2, a water tank bottom liquid level sensor P1 and a heat storage water tank liquid level sensor P6 are connected with a control cabinet (7);
fourthly, the connection of water supply and a low-temperature circulating system: the first water supply and circulating pump (4-1) and the second water supply and circulating pump (4-2) are connected with a water supply and heating tank (3-1) through related valve sets, outlets of the first water supply and circulating pump and the second water supply and circulating pump are connected to a water supply pipeline and an air pressure tank (8), a water inlet of a water return temperature control valve set D1 is connected to a water return pipe of an external network water inlet machine room, the outlets of the water return temperature control valve set D1 and the water return pipe of the external network water inlet machine room water supply are connected to the water supply and heating tank (3-1), and a pressure sensor P2 and a water return temperature control electric valve D1 of an outlet of the water supply and circulating pump and a water return temperature sensor T5 are connected with a control cabinet (7).
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| CN202021471514.2U CN213777895U (en) | 2020-07-23 | 2020-07-23 | Solar energy and air energy double-cylinder heat storage indirect intelligent hot water station |
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| CN202021471514.2U CN213777895U (en) | 2020-07-23 | 2020-07-23 | Solar energy and air energy double-cylinder heat storage indirect intelligent hot water station |
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