CN105240917B - A kind of the direct-type solar energy heating system and its control method of multiple groups hot water storage tank - Google Patents
A kind of the direct-type solar energy heating system and its control method of multiple groups hot water storage tank Download PDFInfo
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- CN105240917B CN105240917B CN201510743134.7A CN201510743134A CN105240917B CN 105240917 B CN105240917 B CN 105240917B CN 201510743134 A CN201510743134 A CN 201510743134A CN 105240917 B CN105240917 B CN 105240917B
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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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Abstract
The invention discloses a kind of direct-type solar energy heating systems of multiple groups hot water storage tank, including collecting system, accumulation of heat switching system and user end, the collecting system includes solar thermal collector sum aggregate thermal cycle water pump, the accumulation of heat switching system includes at least two hot water storage tanks and valve assembly, by the correspondence control valve in control valve assembly, it can make to form circulation path structure between any one hot water storage tank and solar thermal collector and make to form circulation path structure between any one hot water storage tank and user end.The present invention passes through the corresponding control to multiple triple valves, collecting system and two hot water storage tanks is set to carry out the thermal-arrest of alternative expression, accumulation of heat circulation, while ensure that solar thermal collector collecting efficiency, the water temperature in two hot water storage tanks is set to keep relative stability, and reduce the starting time of auxiliary thermal source in the case where guaranteeing supply water temperature, improve the energy saving of system and the energy consumption efficiency of system.
Description
Technical field
The invention belongs to technical field of solar energy utilization equipment, in particular to a kind of direct-type sun of multiple groups hot water storage tank
It can heating system and its control method.
Background technique
Solar energy is the main source of all energy on the earth, it is inexhaustible, non-harmful clean energy resource, and
The mankind after 21st century it can be expected that the most promising energy.China is vast in territory, and the sunshine-duration in year is greater than 2000 hours ground
Area accounts for about the 2/3 of national area, in the region advantageous using solar energy.
But solar energy is the thin energy, the energy resource density of its earth surface is lower.And solar radiation heat has
Season, rule variation round the clock, while also being influenced strongly by enchancement factors such as rain or shine sexual intercourses, therefore solar radiant heat measurer has very
Big unstability.Since solar energy heating and building heating thermal load demands have fluctuation and solar energy heating and heating
Thermal load demands have many characteristics, such as asynchronism, lead to solar energy to be utilized, it is necessary to solve solar energy intermittence and can not
By property problem.It is one of the most efficient method to solve the above problems that regenerative apparatus is arranged in solar energy utilization system.Practice card
Bright, regenerative apparatus has especially important meaning to the utilization efficiency for improving solar energy.
Frequently with the method for solar heating accumulation of heat have, the shapes such as hot water storage tank accumulation of heat, phase-change material accumulation of heat, soil thermal storage
Formula.Hot water storage tank accumulation of heat causes it to be presently the most universal accumulation of heat shape due to the features such as low in cost, system reliability is strong
Formula.But due to being influenced by the variation of season, weather and heat demand for building, cause hold over system water tank heat continuous
Variation.After fixed volume hot water storage tank system, accumulation of heat volume is excessive to will cause water tank temperature significantly lower than being designed for water temperature
Degree, system need starting auxiliary thermal source progress heat supply for a long time, reduce the energy saving of system；Accumulation of heat volume is too small, and it will cause collection
Hot device return water temperature is higher, reduces the heat-collecting capacity of heat collector, can equally reduce the energy saving of system.Often it will appear as a result, entire
Heating season water tank water temperature fluctuation is violent, in the small In The Initial Period Of Heating of heat load demand and heating latter stage, since amount of stored heat is greater than
Water tank heat storage ability causes hot water storage tank water temperature to be higher than design value, increases collecting system return water water temperature, collecting plate
The quantity of heat convection increases, and will reduce the collecting efficiency of collecting plate, reduces system heat-collecting capacity；On the other hand hot water storage tank is radiated
Loss increases, and reduces the energy consumption efficiency of whole system.
Summary of the invention
It is an object of the invention to: in view of the above problems, providing one kind can effectively solve the problem that existing fixed accumulation of heat
The direct-type solar energy heating system and its control method of multiple groups hot water storage tank of problems.
The purpose of the present invention is what is be achieved through the following technical solutions: a kind of direct-type solar energy confession of multiple groups hot water storage tank
Heating system, it is characterised in that: including collecting system, accumulation of heat switching system and user end, the collecting system includes the sun
Energy heat collector sum aggregate thermal cycle water pump, the accumulation of heat switching system include at least two hot water storage tanks and valve assembly, are passed through
Correspondence control valve in control valve assembly can make to be formed to recycle between any one hot water storage tank and solar thermal collector to lead to
Line structure and make between any one hot water storage tank and user end formed circulation path structure.
The direct-type solar energy heating system of multiple groups hot water storage tank of the present invention, the accumulation of heat switching system include
First hot water storage tank, the second hot water storage tank, the first triple valve, the second triple valve, the 5th triple valve and the 6th triple valve；
The outlet end of the solar thermal collector is connected to by pipeline with the first interface end of the first triple valve, and described first
The second interface end of triple valve is connected to by pipeline with the first hot water storage tank, and first hot water storage tank passes through pipeline and the six or three
The second interface end of port valve is connected to, the first interface end of the 6th triple valve by the pipeline of setting thermal-arrest water circulating pump with too
The input end connection of positive energy heat collector, forms circulation path structure between the solar thermal collector and the first hot water storage tank；Institute
The third interface end of the first triple valve is stated be connected to by pipeline with the second hot water storage tank, second hot water storage tank pass through pipeline and
The third interface end of 6th triple valve is connected to, and circulation path knot is formed between second hot water storage tank and solar thermal collector
Structure makes solar thermal collector respectively to the first hot water storage tank or the second accumulation of heat by the first triple valve of control and the 6th triple valve
The return water of water tank is directly heated；
The heating water return of the user end by be provided with heating circulation water pump pipeline and the 5th triple valve first
Interface end connection, second and third interface end of the 5th triple valve pass through pipeline and the first hot water storage tank and the second accumulation of heat respectively
Water tank connection, first hot water storage tank and the second hot water storage tank by pipeline respectively with second and third interface of the second triple valve
End connection, the first interface end of second triple valve pass through pipeline for the heating water return being heated for user end, pass through
The second triple valve and the 5th triple valve are controlled, makes the user end respectively between the first hot water storage tank and the second hot water storage tank
Form circulation path structure.
The direct-type solar energy heating system of multiple groups hot water storage tank of the present invention, the of second triple valve
Auxiliary thermal source system is provided between one interface end and user end, the auxiliary thermal source system includes auxiliary thermal source, the three or three
Port valve and the 4th triple valve, the first interface end of second triple valve pass through the first interface end of pipeline and third triple valve
The second interface end of connection, the third triple valve is connected to by pipeline with the second interface end of the 4th triple valve, the third
The third interface end of triple valve is connected to by auxiliary thermal source with the third interface end of the 4th triple valve, and the of the 4th triple valve
One interface end is by pipeline by the heating water return being heated for user end.
A kind of control method of the direct-type solar energy heating system of multiple groups hot water storage tank, it is characterised in that: control first
Triple valve and the 6th triple valve, make solar thermal collector be connected to form circulation path with the first hot water storage tank, starting collection thermal cycle
Return water by solar thermal collector heating is flowed into the first hot water storage tank by the first triple valve by water pump, and low-temperature return water is by the
Six triple valves constantly flow into solar thermal collector, thus constantly obtain solar energy heating amount；When the amount of stored heat of the first hot water storage tank
Higher than setting value, i.e., when water temperature is higher than setting value, control the first triple valve and the 6th threeway valve events, make solar thermal collector with
Second hot water storage tank is connected to form circulation path, and the return water heated by solar thermal collector flows into second by the first triple valve and stores
Boiler, low-temperature return water constantly flow into solar thermal collector by the 6th triple valve, and collecting system heat obtained constantly passes through
Second hot water storage tank is accumulated, and thermal-arrest, accumulation of heat circulation are thus constantly completed；
The second triple valve and the 5th triple valve are controlled, user end is made to be connected to form circulation path with the first hot water storage tank,
Heating water return enters the first hot water storage tank by the 5th triple valve and obtains heat, heats return water, the heating water return being heated passes through
Second triple valve is confessed, if leaving water temperature is unsatisfactory for design requirement, is supplied water and is flowed into auxiliary thermal source by third triple valve, by auxiliary
It helps heat source to be heated to design supply water temperature, then user is supplied by the 4th triple valve, if leaving water temperature meets design requirement,
It then supplies water and user is directly fed by third triple valve and the 4th triple valve；When the first hot water storage tank is drawn without effective heat
Afterwards, the second triple valve and the 5th threeway valve events are controlled, make user end be connected to form circulation path with the second hot water storage tank, then
Heating water return is injected into the second hot water storage tank and is heated by the 5th threeway valve events, is then flowed out by the second triple valve,
Complete storage heating.
The present invention makes collecting system and two hot water storage tanks carry out alternative expression by the corresponding control to multiple triple valves
Thermal-arrest, accumulation of heat circulation make the water temperature in two hot water storage tanks keep phase while ensure that solar thermal collector collecting efficiency
To stabilization, and reduce the starting time of auxiliary thermal source in the case where guaranteeing supply water temperature, improve the energy saving of system with
And the energy consumption efficiency of system.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Marked in the figure: 1 is solar thermal collector, 2 be thermal-arrest water circulating pump, and 4 be the first hot water storage tank, and 5 be the second accumulation of heat
Water tank, 6 be the first triple valve, and 7 be the second triple valve, and 8 be the 5th triple valve, and 9 be the 6th triple valve, and 10 be heating circulation water
Pump, 11 be auxiliary thermal source, and 12 be third triple valve, and 13 be the 4th triple valve.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The technology of the present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not used to limit invention.
As shown in Figure 1, a kind of direct-type solar energy heating system of multiple groups hot water storage tank, including collecting system, accumulation of heat are cut
System and user end are changed, the collecting system includes solar thermal collector sum aggregate thermal cycle water pump, accumulation of heat switching system
System includes at least two hot water storage tanks and valve assembly, by the correspondence control valve in control valve assembly, can be made any
One forms circulation path structure and makes any one hot water storage tank and user end between hot water storage tank and solar thermal collector
Circulation path structure is formed between end.In the present embodiment, the accumulation of heat switching system is stored including the first hot water storage tank 4, second
Boiler 5, the first triple valve 6, the second triple valve 7, the 5th triple valve 8 and the 6th triple valve 9.
The outlet end of the solar thermal collector 1 is connected to by pipeline with the first interface end of the first triple valve 6, and described the
The second interface end of one triple valve 6 be connected to by pipeline with the first hot water storage tank 4, first hot water storage tank 4 pass through pipeline and
The second interface end of 6th triple valve 9 is connected to, and the first interface end of the 6th triple valve 9 passes through setting thermal-arrest water circulating pump 2
Pipeline be connected to the input end of solar thermal collector 1, formed and followed between the solar thermal collector 1 and the first hot water storage tank 4
Ring access structure；The third interface end of first triple valve 6 is connected to by pipeline with the second hot water storage tank 5, and described second stores
Boiler 5 is connected to by pipeline with the third interface end of the 6th triple valve 9, second hot water storage tank 5 and solar thermal collector 1
Between form circulation path structure, by control the first triple valve 6 and the 6th triple valve 9, make solar thermal collector 1 respectively to the
The return water of one hot water storage tank 4 or the second hot water storage tank 5 is directly heated.
The heating water return of the user end by be provided with heating circulation water pump 10 pipeline and the 5th triple valve 8
The connection of one interface end, second and third interface end of the 5th triple valve 8 pass through pipeline and the first hot water storage tank 4 and second respectively
Hot water storage tank 5 is connected to, first hot water storage tank 4 and the second hot water storage tank 5 by pipeline respectively with the second triple valve 7 the
Two, three interface ends are connected to, and the first interface end of second triple valve 7 is by pipeline by the heating water return being heated for user
End, by control the second triple valve 7 and the 5th triple valve 8, make the user end respectively with the first hot water storage tank 4 and second
Circulation path structure is formed between hot water storage tank 5.
Wherein, auxiliary thermal source system, institute are provided between the first interface end and user end of second triple valve 7
Stating auxiliary thermal source system includes auxiliary thermal source 11, third triple valve 12 and the 4th triple valve 13, and the of second triple valve 7
One interface end is connected to by pipeline with the first interface end of third triple valve 12, and the second interface end of the third triple valve 12 is logical
It crosses pipeline to be connected to the second interface end of the 4th triple valve 13, the third interface end of the third triple valve 12 passes through auxiliary thermal source
11 are connected to the third interface end of the 4th triple valve 13, and the first interface end of the 4th triple valve 13 will be heated by pipeline
Heating water return for user end.
The control method of the direct-type solar energy heating system of multiple groups hot water storage tank of the invention is:
The first triple valve and the 6th triple valve are controlled, being connected to solar thermal collector with the first hot water storage tank, to form circulation logical
Road starts thermal-arrest water circulating pump, will flow into the first accumulation of heat water by the first triple valve by the return water of solar thermal collector heating
Case, low-temperature return water constantly flow into solar thermal collector by the 6th triple valve, thus constantly obtain solar energy heating amount；When the first storage
The amount of stored heat of boiler is higher than setting value, i.e., when water temperature is higher than setting value, controls the first triple valve and the 6th threeway valve events, make
Solar thermal collector is connected to form circulation path with the second hot water storage tank, and the return water heated by solar thermal collector passes through the one or three
Port valve flows into the second hot water storage tank, and low-temperature return water constantly flows into solar thermal collector by the 6th triple valve, and collecting system is obtained
Heat, constantly accumulated by the second hot water storage tank, thus constantly complete thermal-arrest, accumulation of heat circulation；
The second triple valve and the 5th triple valve are controlled, user end is made to be connected to form circulation path with the first hot water storage tank,
Heating water return enters the first hot water storage tank by the 5th triple valve and obtains heat, heats return water, the heating water return being heated passes through
Second triple valve is confessed, if leaving water temperature is unsatisfactory for design requirement, is supplied water and is flowed into auxiliary thermal source by third triple valve, by auxiliary
It helps heat source to be heated to design supply water temperature, then user is supplied by the 4th triple valve, if leaving water temperature meets design requirement,
It then supplies water and user is directly fed by third triple valve and the 4th triple valve；When the first hot water storage tank is drawn without effective heat
Afterwards, the second triple valve and the 5th threeway valve events are controlled, make user end be connected to form circulation path with the second hot water storage tank, then
Heating water return is injected into the second hot water storage tank and is heated by the 5th threeway valve events, is then flowed out by the second triple valve,
Complete storage heating.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (3)
1. a kind of direct-type solar energy heating system of multiple groups hot water storage tank, it is characterised in that: cut including collecting system, accumulation of heat
System and user end are changed, the collecting system includes solar thermal collector (1) sum aggregate thermal cycle water pump (2), the accumulation of heat
Switching system includes at least two hot water storage tanks and valve assembly can by the correspondence control valve in control valve assembly
Make to form circulation path structure between any one hot water storage tank and solar thermal collector (1) and makes any one hot water storage tank
Circulation path structure is formed between user end, when any one for forming circulation path between solar thermal collector (1)
The amount of stored heat of hot water storage tank is higher than setting value, i.e., when water temperature is higher than setting value, the solar thermal collector (1) passes through control valve
Assembly is switched to be connected to any one other hot water storage tank to form circulation path and accumulated, and thus constantly completes thermal-arrest, stores
Thermal cycle makes the water temperature in multiple hot water storage tanks keep relative stability；
The accumulation of heat switching system includes the first hot water storage tank (4), the second hot water storage tank (5), the first triple valve (6), the two or three
Port valve (7), the 5th triple valve (8) and the 6th triple valve (9)；
The outlet end of the solar thermal collector (1) is connected to by pipeline with the first interface end of the first triple valve (6), and described the
The second interface end of one triple valve (6) is connected to by pipeline with the first hot water storage tank (4), and first hot water storage tank (4) passes through
Pipeline is connected to the second interface end of the 6th triple valve (9), and the first interface end of the 6th triple valve (9) passes through setting thermal-arrest
The pipeline of water circulating pump (2) is connected to the input end of solar thermal collector (1), the solar thermal collector (1) and the first accumulation of heat
Circulation path structure is formed between water tank (4)；The third interface end of first triple valve (6) passes through pipeline and the second accumulation of heat water
Case (5) connection, second hot water storage tank (5) are connected to by pipeline with the third interface end of the 6th triple valve (9), and described second
Circulation path structure is formed between hot water storage tank (5) and solar thermal collector (1), by controlling the first triple valve (6) and the 6th
Triple valve (9), make solar thermal collector (1) respectively to the return water of the first hot water storage tank (4) or the second hot water storage tank (5) directly into
Row heating；
The heating water return of the user end by be provided with heating circulation water pump (10) pipeline and the 5th triple valve (8)
One interface end connection, second and third interface end of the 5th triple valve (8) pass through respectively pipeline and the first hot water storage tank (4) and
Second hot water storage tank (5) connection, first hot water storage tank (4) and the second hot water storage tank (5) pass through pipeline respectively with the two or three
Second and third interface end of port valve (7) is connected to, and the first interface end of second triple valve (7) passes through the confession that pipeline will be heated
Warm return water is for user end, by control the second triple valve (7) and the 5th triple valve (8), make the user end respectively with
Circulation path structure is formed between first hot water storage tank (4) and the second hot water storage tank (5).
2. the direct-type solar energy heating system of multiple groups hot water storage tank according to claim 1, it is characterised in that: described
Auxiliary thermal source system, the auxiliary thermal source system packet are provided between the first interface end and user end of second triple valve (7)
Include auxiliary thermal source (11), third triple valve (12) and the 4th triple valve (13), the first interface end of second triple valve (7)
It is connected to by pipeline with the first interface end of third triple valve (12), the second interface end of the third triple valve (12) passes through pipe
The second interface end of tetra- triple valve of Lu Yu (13) is connected to, and the third interface end of the third triple valve (12) passes through auxiliary thermal source
(11) it is connected to the third interface end of the 4th triple valve (13), the first interface end of the 4th triple valve (13) will by pipeline
The heating water return being heated is for user end.
3. a kind of control method of the direct-type solar energy heating system of multiple groups hot water storage tank as claimed in claim 1 or 2,
Be characterized in that: the first triple valve of control and the 6th triple valve make solar thermal collector be connected to form circulation with the first hot water storage tank
Access starts thermal-arrest water circulating pump, will flow into the first accumulation of heat by the first triple valve by the return water of solar thermal collector heating
Water tank, low-temperature return water constantly flow into solar thermal collector by the 6th triple valve, thus constantly obtain solar energy heating amount；When first
The amount of stored heat of hot water storage tank is higher than setting value, i.e., when water temperature is higher than setting value, controls the first triple valve and the 6th threeway valve events,
Solar thermal collector is set to be connected to form circulation path with the second hot water storage tank, the return water heated by solar thermal collector passes through first
Triple valve flows into the second hot water storage tank, and low-temperature return water constantly flows into solar thermal collector by the 6th triple valve, and collecting system is obtained
The heat obtained, is constantly accumulated by the second hot water storage tank, and thermal-arrest, accumulation of heat circulation are thus constantly completed；
The second triple valve and the 5th triple valve are controlled, user end is made to be connected to form circulation path with the first hot water storage tank, is heated
Return water enters the first hot water storage tank by the 5th triple valve and obtains heat, heats return water, and the heating water return being heated passes through second
Triple valve is confessed, if leaving water temperature is unsatisfactory for design requirement, is supplied water and is flowed into auxiliary thermal source by third triple valve, by auxiliary heat
Source is heated to design supply water temperature, then supplies user by the 4th triple valve and supply if leaving water temperature meets design requirement
Water directly feeds user by third triple valve and the 4th triple valve；After the first hot water storage tank is drawn without effective heat,
The second triple valve and the 5th threeway valve events are controlled, makes user end be connected to form circulation path with the second hot water storage tank, then supplies
Warm return water is injected into the second hot water storage tank and is heated by the 5th threeway valve events, is then flowed out by the second triple valve, complete
At storage heating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510743134.7A CN105240917B (en) | 2015-11-05 | 2015-11-05 | A kind of the direct-type solar energy heating system and its control method of multiple groups hot water storage tank |
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| CN201510743134.7A CN105240917B (en) | 2015-11-05 | 2015-11-05 | A kind of the direct-type solar energy heating system and its control method of multiple groups hot water storage tank |
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| CN105240917A CN105240917A (en) | 2016-01-13 |
| CN105240917B true CN105240917B (en) | 2019-08-30 |
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| CN107940538B (en) * | 2017-12-12 | 2023-11-07 | 华能国际电力股份有限公司丹东电厂 | Graded heat storage system for cogeneration unit and peak shaving method thereof |
| CN109631350A (en) * | 2019-01-30 | 2019-04-16 | 中国建筑西北设计研究院有限公司 | Solar heat-preservation heating system and its heating control method |
| CN110822540B (en) * | 2019-11-22 | 2021-02-26 | 北京冠亚伟业民用建筑设计有限公司 | Dual-water-tank switching centralized hot water high-temperature sterilization system and method for kindergarten |
| CN117213024B (en) * | 2023-09-13 | 2024-04-05 | 广州施杰节能科技有限公司 | Energy-saving device of chilled water pump set |
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| CN201359320Y (en) * | 2009-01-19 | 2009-12-09 | 贾绍祥 | Heating apparatus |
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| CN101070976A (en) * | 2007-06-08 | 2007-11-14 | 艾凯 | Solar-electric instant-heating type constant temperature water heater |
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| CN202133032U (en) * | 2011-06-27 | 2012-02-01 | 深圳市北黄科技有限公司 | Constant-temperature water return system of solar energy cluster heat supply main pipe |
| CN102913977A (en) * | 2012-10-24 | 2013-02-06 | 张洁 | Centralized building heating facility and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201359320Y (en) * | 2009-01-19 | 2009-12-09 | 贾绍祥 | Heating apparatus |
| CN101666565A (en) * | 2009-09-28 | 2010-03-10 | 中国南方航空工业(集团)有限公司 | Thermostating water device |
| CN201582900U (en) * | 2009-11-13 | 2010-09-15 | 成锋 | All-weather intelligent solar energy heat collection co-generation system |
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