CN208204976U - A kind of low power focused solar energy heat-conserving energy-saving multi device - Google Patents
A kind of low power focused solar energy heat-conserving energy-saving multi device Download PDFInfo
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- CN208204976U CN208204976U CN201721223344.4U CN201721223344U CN208204976U CN 208204976 U CN208204976 U CN 208204976U CN 201721223344 U CN201721223344 U CN 201721223344U CN 208204976 U CN208204976 U CN 208204976U
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Abstract
The utility model relates to a kind of low power focused solar energy heat-conserving energy-saving multi device, including low power focused solar energy array heat collection system, fuse salt storage heater, high/low temperature heat exchanger, height add to water by-pass unit, low add to water by-pass unit, oxygen-eliminating device, boiler economizer and condenser；Condenser low adds to that water by-pass unit, oxygen-eliminating device, height add to water by-pass unit and boiler economizer is sequentially communicated；Low power focused solar energy array heat collection system includes low power focused solar energy array；Low power focused solar energy array is connected with fuse salt storage heater；Fuse salt storage heater is sequentially connected in series end to end with high/low temperature heat exchanger；It includes multiple high-pressure heaters by pipeline connection that height, which adds to water by-pass unit,；The low water by-pass unit that adds to includes the first low-pressure heater group and the second low-pressure heater group；Condensed water enters oxygen-eliminating device after water and cryogenic heat exchanger heat exchange are given in the first low-pressure heater group rear portion；Height enters boiler economizer after adding to part water supply and high-temperature heat-exchanging heat exchange in water by-pass unit.
Description
Technical field
The utility model relates to a kind of low power focused solar energy heat-conserving energy-saving multi devices, belong to power field.
Background technique
Many Turbo-generator Sets reduce the steam extraction dosage of low-pressure heater, solidifying to improve unit economy at present
It bears water and increases a set of low-level (stack-gas) economizer bypass in system, is i.e. condensed water divides a part after being pressurized from condenser via condensate pump
Condensed water returns original No. 5 low-pressure heaters after going the low-level (stack-gas) economizer for being arranged in boiler back end ductwork to absorb smoke exhaust heat
Entrance converges.But there are apparent defect and security risks for this technology.The investment of low-level (stack-gas) economizer can be in the unit underload period
Cause exhaust gas temperature too low with winter, the sulfide in flue gas easily combines in low-level (stack-gas) economizer surface sweating and with flue dust and generates heavily fortified point
Hard solid matter, causes low-level (stack-gas) economizer heat exchanger fin to block, and the serious flue gas that may cause is blocked and shut down.The current country is
There are many thermal power plants that low-level (stack-gas) economizer is stopped transport or removed.
Most domestic power plant boiler has installed denitrating system additional for environmentally friendly electricity price policy of rewards at present, but denitration fills
Set boiler at low load section (general 50% load or so) be easy and system sectionalizing, can not put into operation.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of low power focused solar energy heat-conserving energy-saving multi device.The hair
It is bright for by steam turbine thermodynamic cycle all or part of condensed water and water supply by low power focused solar energy heat collector progress
Heating, on the one hand solves the steam extraction of steam turbine low-pressure part, on the one hand improves boiler economizer and exports smoke temperature, guarantees unit low negative
The still valid denitrating system that puts into operation under lotus operating condition.
The technical solution of the utility model is as follows:
A kind of low power focused solar energy heat-conserving energy-saving multi device, including low power focused solar energy array heat collection system, fuse salt store
Hot device, high-temperature heat-exchanging, cryogenic heat exchanger, height add to water by-pass unit, low water by-pass unit, oxygen-eliminating device, the boiler of adding to saves coal
Device and condenser；The condenser, it is low add to water by-pass unit, oxygen-eliminating device, height add to water by-pass unit and boiler economizer according to
Secondary connection；The low power focused solar energy array heat collection system includes low power focused solar energy array；The low power focuses the sun
Energy array is connected with fuse salt storage heater, converts the solar into thermal energy storage；The fuse salt storage heater and high-temperature heat-exchanging,
Cryogenic heat exchanger is sequentially connected in series end to end, forms heat-exchanging loop；It includes successively by pipeline connection that the height, which adds to water by-pass unit,
Multiple high-pressure heaters；The low water by-pass unit that adds to includes the first low-pressure heater group and the second low-pressure heater group；Institute
The condensed water stated in condenser enters after the heating rear portion water supply of the first low-pressure heater group and cryogenic heat exchanger heat exchange
Oxygen-eliminating device；The height enters boiler economizer after adding to a part of water supply and high-temperature heat-exchanging heat exchange in water by-pass unit.
Wherein, the output end that the height adds to water by-pass unit passes through a triple valve and boiler economizer and high-temperature heat-exchanging
Connection；The output end of the first low-pressure heater group is connected by a triple valve and the second low-pressure heater group and cryogenic heat exchanger
It is logical；The second low-pressure heater group output end is connected to by a triple valve and with cryogenic heat exchanger and oxygen-eliminating device.
Wherein, the first low-pressure heater group includes multiple low-pressure heaters to be arranged in parallel；Second low pressure
Heating group includes successively multiple low-pressure heaters by pipeline connection.
Wherein, a fuse salt circulating pump is set on the pipeline that the fuse salt storage heater is connected to high-temperature heat-exchanging；It is described
A condensate pump is set on the pipeline that first low-pressure heater group is connected to condenser；The oxygen-eliminating device and high plus feed water by-pass list
A feed pump is set on the pipeline of member connection.
Wherein, the low power focused solar energy array heat collection system includes sun angle automatic tracking apparatus.
The utility model has the following beneficial effects:
1, low power focused solar energy is applied to steam turbine by a kind of low power focused solar energy heat-conserving energy-saving multi device of the utility model
Condensed water and water supply heating process, reduce the extraction flow of steam turbine in operation, to reduce entire unit
Coa consumption rate and specific steam consumption.
2, a kind of low power focused solar energy heat-conserving energy-saving multi device of the utility model improve boiler economizer entrance to water temperature
Degree, improves the temperature of boiler smoke, it is therefore prevented that the risk of boiler denitrification apparatus off-the-line in underload.
3, a kind of low power focused solar energy compound parabolic that low power focused solar energy heat-conserving energy-saving multi device uses of the utility model
Face heat collector has biggish acceptance angle, can effectively receive the direct projection luminous energy of the sun and receive sun diffused light.
4, a kind of low power focused solar energy heat-conserving energy-saving multi device of the utility model utilizes the reproducible solar energy of cleaning, the system
It is environmentally protective.
Detailed description of the invention
Fig. 1 is utility model works schematic diagram.
1, low power focused solar energy array heat collection system；11, low power focused solar energy array；12, fuse salt circulating pump；2,
Fuse salt storage heater；21, accumulator inlet threeway adjusts door；22, accumulator outlet threeway adjusts door；3, high-temperature heat-exchanging；4,
Cryogenic heat exchanger；5, height adds to water by-pass unit；51, No. 1 high-pressure heater；52, No. 2 high-pressure heaters；53, No. 3 high pressures add
Hot device；511, No. 1 triple valve；6, low to add to water by-pass unit；61, the first low-pressure heater group；611,7A low-pressure heater；
612,7B low-pressure heater；613,8A low-pressure heater；614,8B low-pressure heater；62, the second low-pressure heater group；621,5
Number low-pressure heater；622, No. 6 low-pressure heaters；10, No. 5 triple valves；63, No. 6 triple valves；7, oxygen-eliminating device；71, feed pump；
8, boiler economizer；9, condenser；91, condensate pump.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Referring to Fig. 1, a kind of low power focused solar energy heat-conserving energy-saving multi device, including low power focused solar energy array heat collection system 1,
Fuse salt storage heater 2, high-temperature heat-exchanging 3, cryogenic heat exchanger 4, height add to water by-pass unit 5, low add to water by-pass unit 6, remove
Oxygen device 7, boiler economizer 8 and condenser 9；It is described it is low add to water by-pass unit 6, oxygen-eliminating device 7, height add to water by-pass unit 5 with
Boiler economizer 8 is sequentially communicated；The low power focused solar energy array heat collection system 1 includes low power focused solar energy array 11；
The low power focused solar energy array 11 is connected with fuse salt storage heater 2, converts the solar into thermal energy storage；The fuse salt
Storage heater 2 is sequentially connected in series end to end with high-temperature heat-exchanging 3, cryogenic heat exchanger 4, forms heat-exchanging loop；The high plus feed water by-pass list
Member 5 includes successively by multiple high-pressure heaters of pipeline connection；The low water by-pass unit 6 that adds to includes the first low-pressure heater
Group 61 and the second low-pressure heater group 62；Condensed water in the condenser 9 heats latter by the first low-pressure heater group 61
Part water supply and cryogenic heat exchanger 4 enter oxygen-eliminating device 7 after exchanging heat；The height add to a part of water supply in water by-pass unit 5 with
High-temperature heat-exchanging 3 enters boiler economizer 8 after exchanging heat.
Further, the output end that the height adds to water by-pass unit 5 passes through No. 1 triple valve 511 and boiler economizer 8 and height
Warm heat exchanger 3 is connected to；The output end of the first low-pressure heater group 61 passes through No. 6 triple valves 63 and the second low-pressure heater group
62 are connected to cryogenic heat exchanger 4；Second low-pressure heater group, 62 output end passes through No. 5 triple valves 10 and and cryogenic heat exchanger
4 are connected to oxygen-eliminating device 7.
Further, it includes successively by 51, No. 2 height of No. 1 high-pressure heater of pipeline connection that the height, which adds to water by-pass unit 5,
Press heater 52 and No. 3 high-pressure heater 53；The first low-pressure heater group 61 include in parallel No. 7 low-pressure heater groups and
No. 8 low-pressure heaters；The 7A low-pressure heater 611 is in parallel with 8A low-pressure heater 613, and 7B low-pressure heater 612 is low with 8B
Press heater 614 in parallel.
Further, 2 input terminal of fuse salt storage heater adjusts door 21 by accumulator inlet threeway and low power focuses too
Positive energy array 11 is connected to high-temperature heat-exchanging 3, and output end adjusts door 22 and low power focused solar energy by accumulator outlet threeway
Array 11 is connected to cryogenic heat exchanger 4；Extra heat can be stored in by the threeway adjustment door by way of automatic control
It is spare in fuse salt storage heater 2.
Further, the low power focused solar energy heat-conserving energy-saving multi device is additionally provided with automatic control system；Where triple valve
Pipeline on setting temperature sensor pass through respectively induction condensed water and water supply temperature and transmit control signal to automatically control
System, for realizing the adjust automatically of valve.
Further, a fuse salt circulating pump is set on the pipeline that the fuse salt storage heater 2 is connected to high-temperature heat-exchanging 3
12；A condensate pump 91 is set on the pipeline that the first low-pressure heater group 61 is connected to condenser 9；The oxygen-eliminating device 7 with
Height, which adds to, is arranged a feed pump 71 on the pipeline that water by-pass unit 5 is connected to.
Further, the low power focused solar energy array heat collection system 1 include sun angle automatic tracking apparatus (in figure not
It shows).
Utility model works principle:
Turbine low pressure cylinder steam discharge converts condensed water for steam exhaust by the condenser 9, and condensed water passes through condensate pump
91 are passed through and low add to 7A low-pressure heater 611 in parallel in water by-pass unit 6,7B low-pressure heater 612 and 8A low-pressure heater
613,8B low-pressure heater 614 heats, and water supply is exported after heating by No. 6 triple valves 63, a part of water supply is passed through low-temperature heat exchange
Device 4 exchanges heat；Temperature reaches 320 DEG C after fuse salt absorbs the heat of the sun in the low power focused solar energy array 11,
Fuse salt adjusts door 21 into heat accumulation in fuse salt storage heater 2 by the accumulator inlet threeway and steady and sustained can lead to
Crossing accumulator inlet threeway adjustment door 21 is that high-temperature heat-exchanging 3 provides heat, is added to by water in high-temperature heat-exchanging 3 with from height
After the water supply of road unit 5 is exchanged heat, after fuse salt temperature is down to 260 degrees centigrades, cryogenic heat exchanger is entered by pipeline
4, it exchanges heat in cryogenic heat exchanger 4 with the water supply from the first low-pressure heater group 61, the water supply after heat exchange passes through deoxygenation
Device 7, which removes the dissolved oxygen in water supply and is passed through height by the feed pump 71 extraction water supply, adds to water by-pass unit 5, described 1
At number triple valve 511, a part of water supply is passed through boiler economizer 8, and a part of water supply enters high-temperature heat-exchanging 3, is again introduced into and follows
Loop system exchanges heat.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (4)
1. a kind of low power focused solar energy heat-conserving energy-saving multi device, it is characterised in that: including low power focused solar energy array heat collection system
(1), fuse salt storage heater (2), high-temperature heat-exchanging (3), cryogenic heat exchanger (4), height add to water by-pass unit (5), low add to water
By-pass unit (6), oxygen-eliminating device (7), boiler economizer (8) and condenser (9)；The condenser (9) low adds to water by-pass unit
(6), oxygen-eliminating device (7), height add to water by-pass unit (5) and are sequentially communicated with boiler economizer (8)；The low power focused solar energy battle array
Column collecting system (1) includes low power focused solar energy array (11)；The low power focused solar energy array (11) and fuse salt store
Hot device (2) series connection, converts the solar into thermal energy storage；The fuse salt storage heater (2) is changed with high-temperature heat-exchanging (3), low temperature
Hot device (4) is sequentially connected in series end to end, forms heat-exchanging loop；It includes successively by pipeline connection that the height, which adds to water by-pass unit (5),
Multiple high-pressure heaters；Described low add to water by-pass unit (6) include the first low-pressure heater group (61) and the second low-pressure heating
Device group (62)；Condensed water in the condenser (9) by the heating rear portion water supply of the first low-pressure heater group (61) with it is low
Enter oxygen-eliminating device (7) after warm heat exchanger (4) heat exchange；A part of water supply that the height adds in water by-pass unit (5) is changed with high temperature
Enter boiler economizer (8) after hot device (3) heat exchange；On the pipeline that the fuse salt storage heater (2) is connected to high-temperature heat-exchanging (3)
One fuse salt circulating pump (12) is set；It is arranged one on the pipeline that the first low-pressure heater group (61) is connected to condenser (9)
Condensate pump (91)；The oxygen-eliminating device (7) adds to height is arranged a feed pump (71) on the pipeline that water by-pass unit (5) is connected to.
2. a kind of low power focused solar energy heat-conserving energy-saving multi device as described in claim 1, it is characterised in that: the high plus feed water by-pass
The output end of unit (5) is connected to by a triple valve with boiler economizer (8) and high-temperature heat-exchanging (3)；First low pressure adds
The output end of hot device group (61) is connected to by a triple valve with the second low-pressure heater group (62) and cryogenic heat exchanger (4)；It is described
Second low-pressure heater group (62) output end is connected to by a triple valve and with cryogenic heat exchanger (4) and oxygen-eliminating device (7).
3. a kind of low power focused solar energy heat-conserving energy-saving multi device as described in claim 1, it is characterised in that: first low-pressure heating
Device group (61) includes multiple low-pressure heaters to be arranged in parallel；The second low-pressure heater group (62) includes successively by pipeline
Multiple low-pressure heaters of connection.
4. a kind of low power focused solar energy heat-conserving energy-saving multi device as described in claim 1, it is characterised in that: the low power focuses the sun
Energy array heat collection system (1) includes sun angle automatic tracking apparatus.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721223344.4U CN208204976U (en) | 2017-09-22 | 2017-09-22 | A kind of low power focused solar energy heat-conserving energy-saving multi device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721223344.4U CN208204976U (en) | 2017-09-22 | 2017-09-22 | A kind of low power focused solar energy heat-conserving energy-saving multi device |
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| CN208204976U true CN208204976U (en) | 2018-12-07 |
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| CN201721223344.4U Expired - Fee Related CN208204976U (en) | 2017-09-22 | 2017-09-22 | A kind of low power focused solar energy heat-conserving energy-saving multi device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764563A (en) * | 2019-01-09 | 2019-05-17 | 青岛海尔空调器有限总公司 | A kind of control method of energy resource system |
| CN114288852A (en) * | 2022-02-16 | 2022-04-08 | 西安西热锅炉环保工程有限公司 | Wide-load coal-fired boiler denitration system and working method thereof |
-
2017
- 2017-09-22 CN CN201721223344.4U patent/CN208204976U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764563A (en) * | 2019-01-09 | 2019-05-17 | 青岛海尔空调器有限总公司 | A kind of control method of energy resource system |
| CN109764563B (en) * | 2019-01-09 | 2020-11-27 | 青岛海尔空调器有限总公司 | Control method of energy system |
| CN114288852A (en) * | 2022-02-16 | 2022-04-08 | 西安西热锅炉环保工程有限公司 | Wide-load coal-fired boiler denitration system and working method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20181207 Termination date: 20210922 |