CN202501634U - Solar energy thermal-arrest system featuring forced circulation and serial connection - Google Patents
Solar energy thermal-arrest system featuring forced circulation and serial connection Download PDFInfo
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- CN202501634U CN202501634U CN 201220063535 CN201220063535U CN202501634U CN 202501634 U CN202501634 U CN 202501634U CN 201220063535 CN201220063535 CN 201220063535 CN 201220063535 U CN201220063535 U CN 201220063535U CN 202501634 U CN202501634 U CN 202501634U
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- water
- heat collector
- collector assembly
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- water tank
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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
- Y02E10/44—Heat exchange systems
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Abstract
Disclosed is a solar energy thermal-arrest system featuring forced circulation and serial connection, comprising an energy storage water tank, and a serially arranged heat collector assembly, wherein the water-outlet end of the heat collector assembly is connected with the water-inlet pipe of the energy storage water tank; the bottom of the energy storage water tank is provided with an internal circulation pipe; the water-inlet end of the heat collector assembly is provided with a water circulation pump; the water circulation pump is respectively connected with an internal circulating pipe and a water-supplementing pipe via a three-way pipe; the internal circulating pipe is provided with an internal circulating control solenoid valve; the water-supplementing pipe is provided with an external circulating water-supplementing solenoid valve; the energy storage water tank is internally provided with a full-water-level probe and a water-shortage level probe; the water-outlet end of the heat collector assembly is provided with a circulating temperature control probe; and the water-inlet end of the heat collector assembly is provided with a low temperature antifreeze protection probe. By adopting a serially connected solar heat collector assembly and a unique internal-and-external double-circulating system, the solar energy thermal-arrest system of the utility model realizes the objective of taking the solar energy thermal collection as the main source, with the auxiliary energy as a supplement. The solar energy thermal-arrest system requires less circulating pipelines, with little heat loss, high system efficiency, and low operation cost.
Description
Technical field
The utility model relates to a kind of solar utilization technique, particularly a kind of forced circulation series-connected solar collecting system.
Background technology
As everyone knows; The mode of solar energy heating is the specified conditions restriction that receives solar irradiation; Expect more fully and utilize; It is crucial selecting which type of system to take which type of control logic, and the solar heating engineering of China adopts parallel system basically at present, and this system also must replenish perfect solar thermal collection system with other energy at fine day.The Resistance Distribution of leaking water between each solar thermal collector is inhomogeneous, can cause that to walk water speed between each solar thermal collector inhomogeneous, and is near more from water inlet; Inlet and outlet water exchanges more easily, is not easy exchange more far more, particularly in summer of sweltering heat; Away from the solar heat collector of water inlet,, cause the solar heat collector internal temperature to raise owing to there is not sufficient water exchange; The vicious circle that incrustation also increases when tank pipe incrustation arrives to a certain degree, can cause local gas stifled; Acceleration equipment is aging, reduces overall thermal efficient; Cold water source directly gets into heat storage water tank; The circulation of the collecting system temperature difference, the heat storage water tank water level descends in the time of water, and ball-cock assembly is mended cold water synchronously; The hot water of heat storage water tank is used half and just can not have been used again; System must carry out the supplementary energy complementation, and this system temperature difference circulatory system in the winter time is to be main with supplementary energy basically, is auxilliaryly even not work with solar energy.And the required circulating line of parallel system is long, and heat waste is big, and system effectiveness is extremely low, and operation cost is high, is worthless solar engineering system.
Summary of the invention
The technical problem that the utility model will solve is the deficiency to prior art, has proposed the forced circulation series-connected solar collecting system that a kind of heat waste is little, efficient is high.
The technical problem that the utility model will solve realizes through following technical scheme; A kind of forced circulation series-connected solar collecting system comprises the heat collector assembly that energy-accumulating water tank, series connection are provided with, and be characterized in: the water side of heat collector assembly and the water inlet pipe of energy-accumulating water tank join; Bottom at energy-accumulating water tank is provided with inner circulating tube; The water inlet end of heat collector assembly is equipped with water circulating pump, and water circulating pump joins with inner circulating tube and filling pipe respectively through three-way pipe, loop control magnetic valve in being equipped with on the inner circulating tube; Outer circulation moisturizing magnetic valve is housed on the filling pipe; In energy-accumulating water tank, be provided with the full-water level probe and owe water-level probe, the water side of heat collector assembly is provided with the circulates temperature controlled probe, and the water inlet end of heat collector assembly is provided with low temperature anti-frost protection probe.
The technical problem that the utility model will solve can also further realize through following technical scheme, is provided with the low-temperature measurement probe of opening supplementary energy in the energy-accumulating water tank.
The utility model compared with prior art adopts the solar thermal collector assembly and the exclusive inside and outside binary cycle system of series connection, and spring, summer, fine every day in autumn, production capacity was stablely produced 55-65 ℃ of hot water and without any need for the complementary energy.The utility model has post bake function and collector system UTILIZATION OF VESIDUAL HEAT IN function to energy-accumulating water tank, has really accomplished with solar energy heating to be main in the overcast and rainy and winter in spring, summer, autumn, operates to auxilliary with supplementary energy.The required circulating line of the utility model is few, and heat waste is little, and system effectiveness is high, and operation cost is very low.
Description of drawings
Fig. 1 is the structure diagram of the utility model.
The specific embodiment
A kind of forced circulation series-connected solar collecting system; Comprise the heat collector assembly 5 that energy-accumulating water tank 3, series connection are provided with; The water inlet pipe of the water side of heat collector assembly 5 and energy-accumulating water tank 3 joins, and is provided with inner circulating tube 9 in the bottom of energy-accumulating water tank 3, and the water inlet end of heat collector assembly 5 is equipped with water circulating pump 7; Water circulating pump 7 joins with inner circulating tube 9 and filling pipe 8 respectively through three-way pipe; Loop control magnetic valve 10 in being equipped with on the inner circulating tube 9 is equipped with outer circulation moisturizing magnetic valve 11 on the filling pipe 8, in energy-accumulating water tank 3, be provided with full-water level probe 2 and owe water-level probe 1; The water side of heat collector assembly 5 is provided with circulates temperature controlled probe 4, and the water inlet end of heat collector assembly 5 is provided with low temperature anti-frost protection probe 6.
Adopt following steps to carry out the forced circulation energy storage:
, when water tank is anhydrous, owe water-level probe and do not touch water, through electrical control instruction unpack outer circulation moisturizing magnetic valve; Pump operation, cold water be through gate valve → filter → check valve → outer circulation moisturizing magnetic valve → water pump → gate valve → get into energy-accumulating water tank through the heat collector assembly, when owing water-level probe and touch water; Through the control system; Outer circulation moisturizing closed electromagnetic valve, the water pump stall, cold water stops to supply water to energy-accumulating water tank; , when the circulates temperature controlled probe detection of heat collector assembly water side when temperature is higher than the ceiling temperature of setting, through electrical control instruction unpack outer circulation moisturizing magnetic valve, pump operation; The beginning outer circulation course of work, when the circulates temperature controlled probe detection when temperature is lower than the temperature of setting, outer circulation moisturizing closed electromagnetic valve; The water pump stall, outer circulation work stops, when circulates temperature controlled probe detects temperature once more and is higher than the ceiling temperature of setting; Then open outer circulation moisturizing magnetic valve, pump operation continues the outer circulation course of work; So repeatedly for several times, when the water level in energy-accumulating water tank touches the full-water level probe, outer circulation moisturizing closed electromagnetic valve; The water pump stall, outer circulation work stops; , when circulates temperature controlled probe detects temperature once more and is higher than the ceiling temperature of setting; Loop control magnetic valve in then opening; Pump operation, periodic duty process in carrying out, the gate valve → filter → check valve → interior loop control magnetic valve of water on inner circulating tube in the heat storage water tank; Return energy-accumulating water tank then through water pump → gate valve → heat collector assembly again; If the temperature of circulates temperature controlled probe detection continues to be higher than the ceiling temperature of setting, periodic duty process in then constantly carrying out continues in energy-accumulating water tank, to replenish heat energy; ⑷ when, water, the full-water level probe is measured water level and is descended (also certain delay can be set), and outer circulation moisturizing magnetic valve is opened, simultaneously interior loop control closed electromagnetic valve, and periodic duty is outer circulation work in changing; When the circulates temperature controlled probe detection when temperature is lower than the temperature of setting, outer circulation moisturizing closed electromagnetic valve, water pump stall; Outer circulation work stops, when the circulates temperature controlled probe detection of heat collector assembly water side when temperature is higher than the ceiling temperature of setting, through electrical control instruction unpack outer circulation moisturizing magnetic valve; Pump operation; Begin the outer circulation course of work again, when the water level in energy-accumulating water tank touches the full-water level probe, outer circulation moisturizing closed electromagnetic valve; The water pump stall, outer circulation work stops; ⑸, at night or overcast and rainy, when the circulates temperature controlled probe detection when temperature continues to be lower than the temperature of setting, interior outer circulation all stops; ⑹ in winter, when the temperature of measuring when the low temperature anti-frost protection probe of heat collector assembly water inlet end is lower than the minimum temperature of setting, and loop control magnetic valve in then opening, pump operation, periodic duty process in carrying out realizes ultra micro circulation cryoprotection.
Be provided with the low-temperature measurement probe of opening supplementary energy in the energy-accumulating water tank.At the beginning of 4 months of every year to 10 the end of month; Fine system need not start the auxiliary complementary energy; Continuous cloudy system automatically starts the auxiliary complementary energy, and system started the auxiliary complementary energy automatically when perhaps water consumption surpassed systematic quantification, energy-accumulating water tank when water level down and the solar energy waste heat when using up system start the auxiliary complementary energy automatically; This moment, complementary temperature was how many amounts just to replenish how many amounts with the water yield of being mended, and was the heating of temperature range once.At the beginning of 11 months of every year,, between the operating period, utilize the waste heat of boiler that the energy difference of solar energy is carried out complementation at heating boiler to 3 the end of month of next year.Supplementary energy electric energy and coal-fired or natural gas etc.
Claims (2)
1. forced circulation series-connected solar collecting system; Comprise the heat collector assembly that energy-accumulating water tank, series connection are provided with; It is characterized in that: the water side of heat collector assembly and the water inlet pipe of energy-accumulating water tank join, and are provided with inner circulating tube in the bottom of energy-accumulating water tank, and the water inlet end of heat collector assembly is equipped with water circulating pump; Water circulating pump joins with inner circulating tube and filling pipe respectively through three-way pipe; Loop control magnetic valve in being equipped with on the inner circulating tube is equipped with outer circulation moisturizing magnetic valve on the filling pipe, in energy-accumulating water tank, be provided with the full-water level probe and owe water-level probe; The water side of heat collector assembly is provided with the circulates temperature controlled probe, and the water inlet end of heat collector assembly is provided with low temperature anti-frost protection probe.
2. forced circulation series-connected solar collecting system according to claim 1 is characterized in that: be provided with the low-temperature measurement probe of opening supplementary energy in the energy-accumulating water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220063535 CN202501634U (en) | 2012-02-27 | 2012-02-27 | Solar energy thermal-arrest system featuring forced circulation and serial connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220063535 CN202501634U (en) | 2012-02-27 | 2012-02-27 | Solar energy thermal-arrest system featuring forced circulation and serial connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202501634U true CN202501634U (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220063535 Expired - Fee Related CN202501634U (en) | 2012-02-27 | 2012-02-27 | Solar energy thermal-arrest system featuring forced circulation and serial connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202501634U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131552A (en) * | 2017-05-19 | 2017-09-05 | 上海交通大学 | A kind of solar energy composite heat power supply hot-water heating system and its control method |
| CN108488825A (en) * | 2018-05-14 | 2018-09-04 | 江苏康大联合节能科技有限公司 | Nonmetallic flue gas heat-exchange unit preventing freeze in winter system |
-
2012
- 2012-02-27 CN CN 201220063535 patent/CN202501634U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131552A (en) * | 2017-05-19 | 2017-09-05 | 上海交通大学 | A kind of solar energy composite heat power supply hot-water heating system and its control method |
| CN108488825A (en) * | 2018-05-14 | 2018-09-04 | 江苏康大联合节能科技有限公司 | Nonmetallic flue gas heat-exchange unit preventing freeze in winter system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20180227 |