CN101726028A - Gas fired boiler-assisted solar hot water heating device in rail transport vehicle base - Google Patents

Gas fired boiler-assisted solar hot water heating device in rail transport vehicle base Download PDF

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Publication number
CN101726028A
CN101726028A CN 200810201126 CN200810201126A CN101726028A CN 101726028 A CN101726028 A CN 101726028A CN 200810201126 CN200810201126 CN 200810201126 CN 200810201126 A CN200810201126 A CN 200810201126A CN 101726028 A CN101726028 A CN 101726028A
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China
Prior art keywords
hot water
heating
case
gas fired
boiler
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Granted
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CN 200810201126
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CN101726028B (en
Inventor
王晓保
宋兆培
温清
翟晓强
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Shanghai Shentong Rail Transit Research & Consulting Co Ltd
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Shanghai Shentong Rail Transit Research & Consulting Co Ltd
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Priority to CN 200810201126 priority Critical patent/CN101726028B/en
Publication of CN101726028A publication Critical patent/CN101726028A/en
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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
    • 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
    • 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

Abstract

The invention relates to a gas fired boiler-assisted solar hot water heating device in a rail transport vehicle base, which comprises: a heating hot water tank (2); and further comprising: a solar heat collector array (1) connected with the heating hot water tank (2), a living hot water tank (3) connected with the heating hot water tank (2), a gas fired boiler- (4) connected with the heating hot water tank (2) and the living hot water tank (3) simultaneously, and a control system; the gas fired boiler-assisted solar hot water heating device has the advantage that: the utilization rate of solar energy can be enhanced and the energy consumption can be lowered under the requirements of the rail transport vehicle base for hot water and heating.

Description

Rail transport vehicle base gas fired boiler-assisted solar hot water and heating plant
Technical field
The present invention relates to a kind of power-saving technology and solar energy utilization technique field of rail transport vehicle base, relate in particular to gas fired boiler-assisted solar hot water and heating plant in this base.
Background technology
The aggravation of the in short supply and greenhouse effects of global fossil energy has brought a lot of burdens for environment and social development, as reply, and the exploitation of regenerative resource such as solar energy in recent years and utilize development rapidly.Rail transport vehicle base takes up an area of big and based on low-rise building, has Application of Solar Energy condition preferably.Simultaneously, because needs of work such as car inspection and repairs, rail transport vehicle base is also bigger to the requirement of heat, and will possess round-the-clock heat requirement.These factors have determined to adopt effectively conserve energy of solar energy system in rail transport vehicle base.
Rail transport vehicle base mainly is the heat supply in domestic hot-water and heating season for the requirement of heat.These demands have certain requirement for heat stability, and solar energy system then is short of aspect stable very much, has strong mobility.In order to remedy this defective, in system, need to be provided with auxiliary thermal source to keep system stability work.For this fairly large domestic hot-water of rail transport vehicle base and heating demand, adopt gas fired-boiler to have greater advantage taking all factors into consideration aspect stability, efficient and the economy as auxiliary thermal source.Solar water and heating association system have had some application, in number of patent application 200710063483.X and 200610111393.9 patents, all the solar water heating system that possesses domestic hot-water's preparation and heating function are simultaneously designed.But the patent of existing this respect is primarily aimed at small-sized domestic solar system, mainly is conceived to the realization of function.And the solar water of rail transport vehicle base and heating system are larger, and the relative domestic system of allotment of hot water and two kinds of different demands of heating is also had higher requirements.
How designing a kind of gas fired boiler-assisted solar hot water and heating association system that can effectively satisfy rail transport vehicle base hot water and heating demand, guarantee service system operation stability and energy efficiency, is the problem that the technical staff will solve.
Summary of the invention
The technical issues that need to address of the present invention provide a kind of rail transport vehicle base gas fired boiler-assisted solar hot water and heating plant, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
The present invention includes: a heating hot water case; Also comprise: a solar thermal collector array that is connected with the heating hot water case, domestic hot-water's case that is connected with the heating hot water case, a gas fired-boiler and a control system that is connected simultaneously with heating hot water case and domestic hot-water's case.
Compared with prior art, the invention has the beneficial effects as follows: under the hot water and heating demand of rail transport vehicle base, can improve solar energy utilization ratio, energy savings consumption.
Description of drawings
Fig. 1 is a structural representation of the present invention;
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
As seen from Figure 1: the present invention includes: a heating hot water case 2; Also comprise: a solar thermal collector array 1 that is connected with heating hot water case 2,3, one gas fired-boiler 4 and control system (not shown) that are connected simultaneously with heating hot water case 2 and domestic hot-water's case 3 of domestic hot-water's case that is connected with heating hot water case 2;
Also comprise: a floor heating end 5 that is connected with heating hot water case 2;
Described heating hot water case 2 joins with floor heating end 5: the last output of heating hot water case 2 and the input of floor heating end 5 join, and the following input of heating hot water case 2 and the output of floor heating end 5 join; Between the input of output on the heating hot water case 2 and floor heating end 5, also comprise a heating circulating pump 12;
The heat exchange coil 6 that vertical direction spirality of fixed in position is arranged in described heating hot water case 2; Upper and lower two ends of described heat exchange coil 6 join with output, the input of solar thermal collector array 1 respectively;
Between the input of the lower end of heat exchange coil 6 and collector array 1, also settle a thermal-arrest circulating pump 10;
Being connected between described gas fired-boiler 4 and heating hot water case 2 and the domestic hot-water's case 3 is to realize via one first electric T-shaped valve 8 and second electric T-shaped valve 9; Described first electric T-shaped valve 8 is positioned on the inlet pipeline of gas fired-boiler 4, and the triple valve outlet is led to 4, two imports of gas fired-boiler and connected heating hot water case 2 and domestic hot-water's case 3 respectively; Second electric T-shaped valve 9 is positioned on the outlet pipeline of gas fired-boiler 4, and the triple valve import is led to 4, two outlets of gas fired-boiler and connected heating hot water case 2 and domestic hot-water's case 3 respectively;
Between the described gas fired-boiler 4 and first electric T-shaped valve 8, also be provided with one in order to drive the hot water circulating pump 11 of the auxiliary heat cycles of combustion gas;
Described heating hot water case 2 is connected communicating pipe 7 by an inclination with domestic hot-water's case 3; The end that a described end that tilts to link to each other with heating hot water case 2 communicating pipe 7 links to each other with domestic hot-water's case 3 is low;
Heating hot water case 2 internal placement hutch water device 13, the other end of hutch water device 13 directly inserts tap water pipe line;
Described control system comprises: middle control computer and temperature sensor; Described temperature sensor lays respectively in 1 outlet of solar heat collector array, heating hot water case 2 middle parts, domestic hot-water's case 3 middle parts, terminal 5 outlets of floor heating, floor surface and the room air.
Solar thermal collector array 1 adopts single heat collector to form according to certain series and parallel mode among the present invention, is placed at roof or other open fields.The general area of rail transport vehicle base is big and based on low-rise building, places collector array so have enough spaces.Each heat collector adopts the straight-through structure that does not have water tank.Between solar thermal collector array 1 and heating hot water case 2,, be provided with thermal-arrest circulating pump 10 near the place of solar thermal collector array 1 inlet.The design cycle temperature difference of solar energy heating circulation is 10 ℃, can select the suitable series and parallel form and the specification of thermal-arrest circulating pump 10 for use according to the circulation temperature difference and local solar irradiation situation, make that the total flow of collector array and the metered flow and the pressure head of the pressure loss and thermal-arrest circulating pump 10 are complementary under this design cycle temperature difference.The working media of solar thermal collector array 1 inside is preferentially selected the anti-icing fluid that is adapted at work in winter for use, and pipeline can not freeze yet when night, environment temperature was low so in the winter time.
Heating hot water case 2 inside are provided with the heat exchange coil 6 of solar thermal collector array 1, this coil pipe in water tank inside vertically spirality arrange, according to the internal liquid flow direction, top is its inlet, the bottom is its outlet.When the solar energy heating pump operation, hot water in the solar thermal collector array 1 enters heat exchange coil 6 by water tank upper, in downward liquid flow, the water storage in the heating hot water case 2 is heated and reduces self temperature, flow out from the water tank bottom at last, get back to solar thermal collector array 1 via thermal-arrest circulating pump 10.
Another leads to floor heating end 5 to importing and exporting heating hot water case 2.Water storage in the heating hot water case 2 flows to floor heating end 5 from water tank upper, and the hot water that flows back to from floor heating end 5 then enters heating hot water case 2 from the bottom.Flow through the hot water of floor heating end 5 directly from heating hot water case 2, and the centre does not have additional heat exchanger.
Heating hot water case 2 also has a pair of import and export to lead to gas fired-boiler 4.Water storage in the heating hot water case 2 flows to gas fired-boiler 4 from the water tank bottom, and the hot water that flows back to from gas fired-boiler 4 then enters heating hot water case 2 from top.The hot water that leads to gas fired-boiler 4 is directly from heating hot water case 2, and the centre does not have additional heat exchanger.
Except above-mentioned three pairs of import and export, heating hot water case 2 also is connected with domestic hot-water's case 3 communicating pipe 7 by an inclination.The end that this inclination communicating pipe 7 links to each other with heating hot water case 2 is positioned at heating hot water case 2 middle parts, has part hot water from this communicating pipe 7 flowing to domestic hot-water's case 3 at run duration.
Heating hot water case 2 internal placement hutch water device 13, the other end of hutch water device 13 directly inserts tap water pipe line.Hutch water device 13 adopts the ball-cock assembly form in this example, but other forms of hutch water devices such as liquid-level type hutch water device can meet the demands too.When heating hot water case 2 water levels descended, hutch water device 13 was opened the water storage in the heating hot water case 2 is replenished, thereby keeps the heating hot water case 2 inner water yields.
Floor heating end 5 is arranged in heating room, is the hot-water coil pipe that places floor panel structure to arrange according to " returning " font in this example, and in addition other forms of coiled tube arrangements mode is also passable.Except the most basic hot-water coil pipe, may also comprise other adjusting devices such as water collecting and diversifying device and air bleeding valve at different application scenario lower floor heating ends 5, but this has been mature technique very in the floor heating field, just no longer apply in the present invention and state.Pipeline near terminal 5 inlets of floor heating between floor heating terminal 5 and the heating hot water case 2 is provided with heating circulating pump 12, hot water in the heating hot water case 2 flows into floor heating end 5 via heating circulating pump 12, floor panel structure is heated, and then get back to heating hot water case 2.Adopt the heating end of floor heating system among the present invention, mainly based on the consideration of energy service efficiency aspect as rail transport vehicle base.The operating temperature of conventional solar energy heating is all lower, if match with common indoor heat exchanger, the decay of then solar energy heating efficient is very serious.And hot water demand's temperature of floor heating is lower, generally is no more than 55 ℃, and is also lower at non-severe cold area heating temperature.In addition, domestic and international research shows that owing to the existence of radiation in the floor heating and the accumulation of heat effect of floor layer, for the floor heating system of continuous operation, indoor effective temperature supplies water to heating and be insensitive.In other words, all need situation about heating for this part of rail transport vehicle base room whole day, its floor heating can also further reduce according to local climate with the hot water temperature, in this case, adopt the form of floor heating can make solar thermal collector can keep efficient operation.
Domestic hot-water's case 3 is positioned at heating hot water case 2 next doors, and height is consistent with heating hot water case 2, and capacity is determined according to terminal hot water demand.Link to each other by the communicating pipe 7 of tilting between domestic hot-water's case 3 and the heating hot water case 2.The end that this communicating pipe 7 links to each other with domestic hot-water's case 3 is higher, is positioned at the middle and upper part of domestic hot-water's case 3.
Between domestic hot-water's case 3 and heating hot water case 2, adopt communicating pipe 7, mainly be based on energy-conservation consideration.In rail transport vehicle base, the temperature of domestic hot-water's temperature and floor heating hot water is also inequality, domestic hot-water's temperature is generally at 50～60 ℃, and all be lower than 50 ℃ based on energy-conservation consideration in the temperature of most of situation lower floor heating hot water, so the temperature of domestic hot-water's case 3 is generally than heating hot water case 2 temperature height.Aspect the energy, for above-mentioned two kinds of different temperature requirements, the efficient of gas fired-boiler can not be affected substantially, and the efficient of solar thermal collector then has significant change.In order to improve efficient as the solar thermal collector of main thermal source, in the invention solar thermal collector array 1 being transferred in the supply of low-temperature water heating is responsible for, further be heated to higher domestic hot-water's temperature and then transfer to gas fired-boiler 4 and be responsible for, and should communicating pipe 7 can reach this purpose just.When the hot water in domestic hot-water's case 3 is sent to end when consuming, liquid level in domestic hot-water's case 3 reduces, so a part of hot water replenishes into via communicating pipe 7 from heating hot water case 2, this part moisturizing is to be undertaken preliminarily heated by solar thermal collector in heating hot water case 2, and then in domestic hot-water's case 3, further be heated to higher temperature by gas fired-boiler 4, improve the efficient of system like this by the cascade utilization of energy, reached energy-saving effect.Because the higher water of temperature is more prone to come-up the lower water of temperature, so in the communicating pipe of this inclination, the flow direction of hot water is unidirectional substantially, the situation of the higher warm boiler 2 of flow of hot water back production of temperature in domestic hot-water's case 3 can not appear.
Domestic hot-water's case 3 tops have domestic hot-water's delivery port 14, and hot water flows to various domestic hot-waters via this outlet and consumes end when domestic hot-water's end valve opening.
Heating hot water case 2 has a pair of import and export to lead to gas fired-boiler 4.Water storage in domestic hot-water's case 3 flows to gas fired-boiler 4 from the water tank bottom, and the hot water that flows back to from gas fired-boiler 4 then enters domestic hot-water's case 3 from top.The hot water that leads to gas fired-boiler 4 is directly from domestic hot-water's case 3, and the centre does not have additional heat exchanger.
Heating hot water case 2 is connected with gas fired-boiler 4 in parallel with domestic hot-water's case 3, is furnished with first electric T-shaped valve 8 and second electric T-shaped valve 9 on gas fired-boiler 4 water inlet pipes, and the water yield of flow through heating hot water case 2 and domestic hot-water's case 3 is regulated.Wherein the outlet of first electric T-shaped valve 8 is led to 4, two imports of gas fired-boiler and is connected with the outlet of heating hot water case 2 with domestic hot-water's case 3 respectively; 9 imports of second electric T-shaped valve are led to 4, two outlets of gas fired-boiler and are connected with the import of heating hot water case 2 with domestic hot-water's case 3 respectively.On gas fired-boiler 4 inlet pipelines between the gas fired-boiler 4 and first electric T-shaped valve 8, arranged a hot water circulating pump 11, in order to drive the hot water circuit of this loop.These hot water circulating pump 11 inlets link to each other with the triple valve export pipeline, and hot water circulating pump 11 outlets link to each other with gas fired-boiler 4 entrance pipes.
The form of gas fired-boiler 4 and specification determine according to system design hot water load, selects the fireballing product of start and stop under the alternative situation of multiple product for use having as far as possible, with the present invention in system cooperate preferably.Gas fired-boiler itself has belonged to very ripe product, does not further apply among the present invention and states.
Control computer and temperature sensor during control system comprises.The temperature sensor that is provided with in this example lays respectively at the outlet of solar heat collector array, heating hot water case 2 middle parts, domestic hot-water's case 3 middle parts, floor heating outlet, floor surface, the medium place of room air.On middle control computer, the system-specific control program has been installed, has been used for and also can sets up control criterion on their own according to the value of acquiescence.According to the temperature signal to the sensor that receives, middle control computer is determined next step working state of system, and sends actuating signal to thermal-arrest circulating pump 10, heating circulating pump 12, hot water circulating pump 11 and first electric T-shaped valve 8 and second electric T-shaped valve 9.
In use, the present invention can make full use of solar energy and produce the domestic hot-water and winter heating is provided, and reaches energy-saving effect; The present invention simultaneously can also solve the problem that solar energy self unstability is brought, and makes domestic hot-water supply and heating to be protected.

Claims (10)

1. rail transport vehicle base gas fired boiler-assisted solar hot water and heating plant comprise: a heating hot water case (2); It is characterized in that also comprising: a solar thermal collector array (1) that is connected with heating hot water case (2), domestic hot-water's case (3) that is connected with heating hot water case (2), a gas fired-boiler (4) and a control system that is connected simultaneously with heating hot water case (2) and domestic hot-water's case (3).
2. rail transport vehicle base gas fired boiler-assisted solar hot water according to claim 1 and heating plant is characterized in that also comprising: a floor heating end (5) that is connected with heating hot water case (2).
3. rail transport vehicle base gas fired boiler-assisted solar hot water according to claim 1 and heating plant, it is characterized in that: described heating hot water case (2) joins with floor heating end (5) and is: the input of the last output of heating hot water case (2) and floor heating end (5) joins, and the output of the following input of heating hot water case (2) and floor heating end (5) joins; Between the input of the last output of heating hot water case (2) and floor heating end (5), also comprise a heating circulating pump (12).
4. rail transport vehicle base gas fired boiler-assisted solar hot water according to claim 3 and heating plant is characterized in that: the heat exchange coil (6) that vertical direction spirality of fixed in position is arranged in described heating hot water case (2); Upper and lower two ends of described heat exchange coil (6) join with output, the input of solar thermal collector array (1) respectively.
5. rail transport vehicle base gas fired boiler-assisted solar hot water according to claim 4 and heating plant is characterized in that: also settle a thermal-arrest circulating pump (10) between the input of the lower end of heat exchange coil (6) and collector array (1).
6. rail transport vehicle base gas fired boiler-assisted solar hot water according to claim 1 and heating plant is characterized in that: being connected between described gas fired-boiler (4) and heating hot water case (2) and the domestic hot-water's case (3) is to realize via first electric T-shaped valve (8) and second electric T-shaped valve (9); Described first electric T-shaped valve (8) is positioned on the inlet pipeline of gas fired-boiler (4), and gas fired-boiler (4) is led in the triple valve outlet, and two imports connect heating hot water case (2) and domestic hot-water's case (3) respectively; Described second electric T-shaped valve (9) is positioned on the outlet pipeline of gas fired-boiler (4), and gas fired-boiler (4) is led in the triple valve import, and two outlets connect heating hot water case (2) and domestic hot-water's case (3) respectively.
7. rail transport vehicle base gas fired boiler-assisted solar hot water according to claim 6 and heating plant is characterized in that: also be provided with one in order to drive the hot water circulating pump (11) of the auxiliary heat cycles of combustion gas between described gas fired-boiler (4) and first electric T-shaped valve (8).
8. rail transport vehicle base gas fired boiler-assisted solar hot water according to claim 1 and heating plant is characterized in that: described heating hot water case (2) is connected by the communicating pipe (7) of tilting with domestic hot-water's case (3); The end that the end that described inclination communicating pipe (7) links to each other with heating hot water case (2) links to each other with domestic hot-water's case (3) is low.
9. rail transport vehicle base gas fired boiler-assisted solar hot water according to claim 1 and heating plant is characterized in that: heating hot water case (2) internal placement hutch water device (13), the other end of hutch water device (13) directly inserts tap water pipe line;
10. according to claim 1-9 each described rail transport vehicle base gas fired boiler-assisted solar hot water and heating plant, it is characterized in that: described control system comprises: middle control computer and temperature sensor; Described temperature sensor lays respectively in solar heat collector array (1) outlet, heating hot water case (2) middle part, domestic hot-water's case (3) middle part, floor heating end (5) outlet, floor surface and the room air.
CN 200810201126 2008-10-14 2008-10-14 Gas fired boiler-assisted solar hot water heating device in rail transport vehicle base Active CN101726028B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106765486A (en) * 2016-11-25 2017-05-31 新奥泛能网络科技股份有限公司 A kind of water bathing heating system
CN110186102A (en) * 2019-07-03 2019-08-30 天津理工大学 A kind of multifunctional heating system and method based on compound energy
CN110319581A (en) * 2019-08-05 2019-10-11 积顿新热能设备无锡有限公司 A kind of heating/hot water supply boiler system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106765486A (en) * 2016-11-25 2017-05-31 新奥泛能网络科技股份有限公司 A kind of water bathing heating system
CN110186102A (en) * 2019-07-03 2019-08-30 天津理工大学 A kind of multifunctional heating system and method based on compound energy
CN110319581A (en) * 2019-08-05 2019-10-11 积顿新热能设备无锡有限公司 A kind of heating/hot water supply boiler system

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