CN102313278A - Solar energy collecting and preheating device - Google Patents
Solar energy collecting and preheating device Download PDFInfo
- Publication number
- CN102313278A CN102313278A CN201110096135A CN201110096135A CN102313278A CN 102313278 A CN102313278 A CN 102313278A CN 201110096135 A CN201110096135 A CN 201110096135A CN 201110096135 A CN201110096135 A CN 201110096135A CN 102313278 A CN102313278 A CN 102313278A
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- China
- Prior art keywords
- stop valve
- boiler
- solar energy
- control device
- hot water
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to a solar energy collecting and preheating device applied to preheating of water before being heated by a boiler. The solar energy collecting and preheating device is characterized in that a main body of the solar energy collecting and preheating device comprises solar energy panels and a hot water tank, the solar energy panels are serially connected, two ends of the three rows of serially-connected solar panels are respectively provided with a first stop valve and a second stop valve in a connecting manner; the first stop valve is connected into the hot water tank through a flow control device; one end of the second stop valve is connected with an exhaust valve, the other end of the second stop valve is connected into the hot water tank; and the hot water tank is used for replenishing water through a water replenishing pipe provided with a seventh stop valve in a connecting manner, and preheated hot water flows out through a pressure control device connected with the lower end of the hot water tank and then enters the boiler. The bottom of the hot water tank is provided with a first temperature sensor, and one ends of the serially-connected solar energy panels are provided with a second temperature sensor. Water needing heating and being injected in the boiler is preheated by adopting natural energy resources, thus the solar energy collecting and preheating device has the advantages of low cost, increase of water inlet temperature, reduction of coal consumption of the boiler, energy saving and emission reduction.
Description
Technical field
The present invention relates to a kind of preceding a kind of solar energy heating preheating device that water is carried out preheating of boiler heating that is applied to.
Background technology
At present, be applied in the chemical industry, what heat hot water need adopt is the boiler heating, and the water that gets in the boiler is the cold water of zero degrees celsius at the very start, when being heated to certain high temperature, needing to consume a large amount of coal energy boiler is heated.General large and medium-sized enterprise 8000 tons of coals of annual consumption heat the chemical industry water; According to the 1350 yuan of calculating per ton of existing market valency; The annual coal consumption that will reach more than 1,000 ten thousand yuan has caused certain greenhouse gas emission to environment, and also is unfavorable for the interests development of company.And the high temperature that the chemical industry water needs adopts pure boiler heating in time not reach assigned temperature, has reduced the efficiency of heating surface.
Summary of the invention
Technical problem to be solved by this invention provides a kind of efficiency of heating surface that economizes on resources, improves, the solar energy heating preheating device of energy-saving and emission-reduction.
The present invention solves the technical scheme that its technical problem takes: a kind of solar energy heating preheating device of water being carried out preheating before the boiler heating of being applied to; Main body is solar panels and boiler; Said solar panels are connected in series, and the solar panels two ends after the series connection are connected with first stop valve and second stop valve respectively; First stop valve is connected in the boiler through flow control apparatus for water; Second stop valve, one end connects air bleeding valve, and the other end is connected in the boiler; Boiler carries out moisturizing through the filling pipe that is connected with the 7th stop valve, and the hot water after the preheating flows out through the pressure control device that the boiler lower end connects, and enters in the boiler.
In order to improve preheating efficient, the solar panels after the said series connection are at least a row, are parallel with same series-connected solar plate at the two ends of first stop valve and second stop valve, reach the effect that nature adopts, and the solar panels of series connection are three rows.
In order to regulate pipeline system water flow, and prevent aqueous reflux, said flow control apparatus for water inside comprises the 3rd stop valve, first check valve, circulating pump, first filter and the 4th stop valve that is connected in series.
For the discharge pressure that guarantees terminal delivery port and the resistance to water-flow in the control loop, pressure control device inside comprises the 6th stop valve, second filter, booster pump, second check valve and the 5th stop valve that is connected in series.Said pressure control device is at least one, can be parallel with same pressure control device at the pressure control device two ends; Reach preferred effect, said pressure control device is two, adopts the connected mode of parallel connection.
For can be according to what of solar absorption heat; The operation of circulating pump and booster pump in the employing temperature control periodic duty system; Guarantee constant-temperature effluent simultaneously, the bottom of boiler is equipped with first temperature sensor, at the end of solar panels of series connection second temperature sensor is installed.
The invention has the beneficial effects as follows: adopt this invention structure, need the water of heating to carry out preheating in the boiler to injecting, adopt natural energy resources, old of equipment is cheap, improves inflow temperature, reduces the coal-fired consumption of boiler, plays the effect of energy-saving and emission-reduction.
Description of drawings:
Fig. 1 is an operation principle sketch map of the present invention.
Among the figure: 1-1, the first stop valve 1-2, the second stop valve 1-3, the 3rd stop valve 1-4, the 4th stop valve 1-5, the 5th stop valve 1-6, the 6th stop valve 1-7, the 7th stop valve 2-1, the first check valve 2-2, the second check valve 3-1, the first filter 3-2, second filter 4, air bleeding valve 5, circulating pump 6, booster pump 7-1, the first temperature sensor 7-2, second temperature sensor 8, solar panels 9, boiler 10, flow control apparatus for water 11, pressure control device
The specific embodiment
A kind of preceding solar energy heating preheating device that water is carried out preheating of boiler heating that is applied to shown in Figure 1; Main body is solar panels 8 and boiler 9; Said solar panels 8 are connected in series, and the solar panels two ends after the series connection are connected with the first stop valve 1-1 and the second stop valve 1-2 respectively; The first stop valve 1-1 is connected in the boiler 9 through flow control apparatus for water 10; The second stop valve 1-2, one end connects air bleeding valve 4, and the other end is connected in the boiler 9; Boiler 9 carries out moisturizing through the filling pipe that is connected with the 7th stop valve 1-7, and the hot water after the preheating flows out through the pressure control device 11 that boiler 9 lower ends connect, and enters in the boiler.The effect of air bleeding valve 4 is the inner air of automatic removal system.
Solar panels 8 after the said series connection are at least a row; Be parallel with same series-connected solar plate at the two ends of the first stop valve 1-1 and the second stop valve 1-2; Reach the effect that nature adopts, the solar panels 8 of series connection are three rows, and solar panels 8 adopt vacuum tube; Reduce hot grandson to greatest extent, improve preheating efficient.
Said flow control apparatus for water 10 inside comprise the 3rd stop valve 1-3, the first check valve 2-1, circulating pump 5, the first filter 3-1 and the 4th stop valve 1-4 that is connected in series.The effect of its middle filtrator is an impurity screening, the protection water pump; Flow control apparatus for water 10 is regulated pipeline system water flow, and prevents aqueous reflux.
Pressure control device 11 inside comprise the 6th stop valve 1-6, the second filter 2-2, booster pump 6, the second check valve 3-2 and the 5th stop valve 1-5 that is connected in series.Said pressure control device 11 is at least one, can be parallel with same pressure control device at pressure control device 11 two ends; Reach preferred effect, said pressure control device 11 is two, adopts the connected mode of parallel connection.Better guarantee the discharge pressure of terminal delivery port and the resistance to water-flow in the control loop.
The bottom of boiler 9 is equipped with the first temperature sensor 7-1; End of solar panels 8 in series connection is equipped with the second temperature sensor 7-2, according to the solar absorption heat what, adopts the operation of circulating pump 5 and booster pump 6 in the temperature control periodic duty system; As last temperature displayed of the second temperature sensor 7-2 and the certain temperature difference T of the last temperature displayed generation of the first temperature sensor 7-1; Δ T is at 5 ℃ between 10 ℃ the time, and controller sends pneumatic signal and gives circulating pump 5,5 work of control circulating pump; Be that high-temperature water and the water at low temperature in the boiler 9 in the heat collector carried out forced circulation, thereby the water temperature in the whole boiler 9 is raise; When Δ T less than zero the time, controller sends stop signal and gives circulating pump 5, assigns instruction, stops the operation of circulating pump 5.
Architecture of the present invention needs the water of heating to carry out preheating to injecting in the boiler, adopt natural energy resources, and old of equipment is cheap, improves inflow temperature, reduces the coal-fired consumption of boiler, plays the effect of energy-saving and emission-reduction.
Claims (7)
1. one kind is applied to the preceding solar energy heating preheating device that water is carried out preheating of boiler heating; It is characterized in that: main body is solar panels (8) and boiler (9); Said solar panels (8) are connected in series, and the solar panels two ends after the series connection are connected with first stop valve (1-1) and second stop valve (1-2) respectively; First stop valve (1-1) is connected in the boiler (9) through flow control apparatus for water (10); Second stop valve (1-2) end connects air bleeding valve (4), and the other end is connected in the boiler (9); Boiler (9) carries out moisturizing through the filling pipe that is connected with the 7th stop valve (1-7), and the hot water after the preheating flows out through the pressure control device (11) that boiler (9) lower end connects, and enters in the boiler.
2. solar energy heating preheating device according to claim 1 is characterized in that: the solar panels after the said series connection (8) are at least a row, are parallel with same series-connected solar plate (8) at the two ends of first stop valve (1-1) and second stop valve (1-2).
3. solar energy heating preheating device according to claim 1 and 2 is characterized in that: the solar panels of said series connection (8) are three rows.
4. solar energy heating preheating device according to claim 1 is characterized in that: said flow control apparatus for water (10) inside comprises the 3rd stop valve (1-3), first check valve (2-1), circulating pump (5), first filter (3-1) and the 4th stop valve (1-4) that is connected in series.
5. solar energy heating preheating device according to claim 1 is characterized in that: said pressure control device (11) inside comprises the 6th stop valve (1-6), second filter (3-2), booster pump (6), second check valve (2-2) and the 5th stop valve (1-5) that is connected in series.Said pressure control device (11) is at least one, can be parallel with same pressure control device (11) at pressure control device (11) two ends.
6. according to claim 1 or 6 described solar energy heating preheating devices, it is characterized in that: said pressure control device (11) is two, adopts the connected mode of parallel connection.
7. solar energy heating preheating device according to claim 1 is characterized in that: the bottom of said boiler (9) is equipped with first temperature sensor (7-1), at the end of solar panels (8) of series connection second temperature sensor (7-2) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110096135A CN102313278A (en) | 2011-04-18 | 2011-04-18 | Solar energy collecting and preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110096135A CN102313278A (en) | 2011-04-18 | 2011-04-18 | Solar energy collecting and preheating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102313278A true CN102313278A (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110096135A Pending CN102313278A (en) | 2011-04-18 | 2011-04-18 | Solar energy collecting and preheating device |
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| Country | Link |
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| CN (1) | CN102313278A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791640A (en) * | 2013-07-01 | 2014-05-14 | 保山市阳田能源科技有限责任公司 | Auto-backflow self-purifying device for flat-plate solar water heaters |
| CN111678115A (en) * | 2020-06-28 | 2020-09-18 | 黄骅市暖禾环保设备有限公司 | More energy-saving electric boiler system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61228258A (en) * | 1985-04-02 | 1986-10-11 | Fuji Electric Co Ltd | Hot water storage tank for solar hot water suplier |
| CN2218342Y (en) * | 1994-10-18 | 1996-01-24 | 张钢 | Solar energy pre-heating boiler |
| CN201688487U (en) * | 2010-05-20 | 2010-12-29 | 王建新 | Heat supplying unit using steam as heating media |
| CN202082912U (en) * | 2011-04-18 | 2011-12-21 | 苏州市吴赣药业有限公司 | Solar heat collecting and preheating device |
-
2011
- 2011-04-18 CN CN201110096135A patent/CN102313278A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61228258A (en) * | 1985-04-02 | 1986-10-11 | Fuji Electric Co Ltd | Hot water storage tank for solar hot water suplier |
| CN2218342Y (en) * | 1994-10-18 | 1996-01-24 | 张钢 | Solar energy pre-heating boiler |
| CN201688487U (en) * | 2010-05-20 | 2010-12-29 | 王建新 | Heat supplying unit using steam as heating media |
| CN202082912U (en) * | 2011-04-18 | 2011-12-21 | 苏州市吴赣药业有限公司 | Solar heat collecting and preheating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791640A (en) * | 2013-07-01 | 2014-05-14 | 保山市阳田能源科技有限责任公司 | Auto-backflow self-purifying device for flat-plate solar water heaters |
| CN111678115A (en) * | 2020-06-28 | 2020-09-18 | 黄骅市暖禾环保设备有限公司 | More energy-saving electric boiler system |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20120111 |