CN202660762U - Pipe coil heat transfer vaporization system used for slot-type solar energy photo-thermal power generation - Google Patents
Pipe coil heat transfer vaporization system used for slot-type solar energy photo-thermal power generation Download PDFInfo
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- CN202660762U CN202660762U CN 201220375719 CN201220375719U CN202660762U CN 202660762 U CN202660762 U CN 202660762U CN 201220375719 CN201220375719 CN 201220375719 CN 201220375719 U CN201220375719 U CN 201220375719U CN 202660762 U CN202660762 U CN 202660762U
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- superheater
- preheater
- evaporimeter
- power generation
- thermal power
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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
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Abstract
The utility model relates to a pipe coil heat transfer vaporization system used for slot-type solar energy photo-thermal power generation, and relates to a heat transfer vaporization system. The heat transfer vaporization system provided by the utility model solves the problem that the temperature difference of the existing slot-type solar energy photo-thermal power generation can generate large heat stress, so that the equipment has potential danger in operation and the service life of the equipment is short. The heat transfer vaporization system is characterized in that a preheater, an evaporator, a superheater and a reheater are all internally provided with heat exchange pipes, inlet collecting pipes and outlet collecting pipes, and the heat exchange pipes in the preheater, the evaporator, the superheater and the reheater are all snake-shaped; one end of the heat exchange pipes is communicated with the inlet collecting pipes, the other ends of the heat exchange pipes are communicated with the outlet collecting pipes, and the preheater, the evaporator and the superheater are successively and serially communicated along a line style; and the reheater, the preheater, the evaporator and the superheater are communicated in a parallel manner, and the outlet collecting pipe of the preheater and the inlet collecting pipe of the superheater are communicated with a steam pocket arranged outside the evaporator. The heat transfer vaporization system provided by the utility model is used for slot-type solar energy photo-thermal power generation.
Description
Technical field
The utility model relates to a kind of coiled pipe heat exchange vapo(u)rization system, is specifically related to a kind of coiled pipe heat exchange vapo(u)rization system for the groove type solar photo-thermal power generation.
Background technology
Along with the day by day exhaustion of fossil fuel energy, the exploitation of the new energy fields such as wind energy, solar energy more and more comes into one's own, and especially solar light-heat power-generation demonstrates the potentiality of its development gradually.Solar light-heat power-generation is compared with thermal power generation, needs start and stop every day and frequent load adjustment fast, therefore fatigue strength and the life-span of its equipment especially vapo(u)rization system heat exchanger is had special requirement.The vapo(u)rization system of existing groove type solar photo-thermal power generation adopts conventional U-shaped pipe shell-and-tube heat exchanger more; because pressure-bearing is higher; this heat exchanger has thicker tube sheet usually; when start and stop or adjustment load; because existing, the temperature difference can produce very large thermal stress; there is hidden danger in the equipment operation, and service life of equipment is short.
The utility model content
The utility model can produce very large thermal stress for the temperature difference of the vapo(u)rization system of the existing groove type solar photo-thermal power generation of solution, cause the equipment operation to have hidden danger and the short problem of service life of equipment, and then a kind of coiled pipe heat exchange vapo(u)rization system for the groove type solar photo-thermal power generation is provided.
The utility model is to solve the problems of the technologies described above the technical scheme of taking to be: the coiled pipe heat exchange vapo(u)rization system for the groove type solar photo-thermal power generation of the present utility model comprises preheater, evaporimeter, superheater, reheater, the external drum of evaporimeter, a plurality of down-comers and a plurality of tedge consist of, the external drum of described evaporimeter is interconnected by a plurality of down-comers and a plurality of tedge and evaporimeter, described preheater, evaporimeter, be provided with heat exchanger tube in superheater and the reheater, inlet header and outlet header, described preheater, evaporimeter, heat exchanger tube in superheater and the reheater is snakelike heat exchange tube, one end of heat exchanger tube is communicated with inlet header, the other end of heat exchanger tube is communicated with outlet header, described preheater, evaporimeter, superheater is along yi word pattern connection in sequential series, described reheater and preheater, evaporimeter, superheater is in parallel the connection all, and the outlet header of preheater and the inlet header of superheater all are communicated with the external drum of evaporimeter.
The utlity model has following beneficial effect:
Coiled pipe heat exchange vapo(u)rization system of the present utility model adopts snakelike heat exchange tube, all heat exchangers of vapo(u)rization system do not have tube sheet, therefore be subjected to the restriction of thermal stress little, the toggle speed of whole vapo(u)rization system is compared with existing U-shaped heat exchange of heat pipe vapo(u)rization system, have toggle speed faster, be more suitable for the requirement that solar light-heat power-generation needs start and stop every day and frequent fast load control;
Coiled pipe has good pliability, can eliminate the thermal stress that heat exchanger tube and housing differential expansion cause, so vapo(u)rization system operation safety and reliability, has prolonged the service life of equipment, improves service life more than 20%; Evaporimeter is connected with the external drum of evaporimeter, in the external drum of evaporimeter the secondary water separator is set, and can realize better carbonated drink separation, so the moisture that the steam of vapo(u)rization system generation carries still less, and steam quality is higher.
Description of drawings
Fig. 1 is the overall structure flow chart of the coiled pipe heat exchange vapo(u)rization system for the groove type solar photo-thermal power generation of the present utility model, and Fig. 2 is the front view of heat exchanger tube 8, inlet header 9 and outlet header 10 assemblings.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1～2 explanations, the coiled pipe heat exchange vapo(u)rization system that is used for the groove type solar photo-thermal power generation of present embodiment comprises preheater 1, evaporimeter 2, superheater 3, reheater 4, the external drum 5 of evaporimeter, a plurality of down-comers 6 and a plurality of tedge 7 consist of, the external drum 5 of described evaporimeter is interconnected with evaporimeter 2 by a plurality of down-comers 6 and a plurality of tedge 7, described preheater 1, evaporimeter 2, be provided with heat exchanger tube 8 in superheater 3 and the reheater 4, inlet header 9 and outlet header 10, described preheater 1, evaporimeter 2, heat exchanger tube 8 in superheater 3 and the reheater 4 is snakelike heat exchange tube, one end of heat exchanger tube 8 is communicated with inlet header 9, the other end of heat exchanger tube is communicated with outlet header 10, described preheater 1, evaporimeter 2, superheater 3 is along yi word pattern connection in sequential series, described reheater 4 and preheater 1, evaporimeter 2, superheater 3 is in parallel the connection all, and the outlet header 10 of preheater 1 and the inlet header 9 of superheater 3 all are communicated with the external drum 5 of evaporimeter.
Described coiled pipe is the heated surface bundle that spirals in the shape of a spiral in cylinder at.In the external drum of evaporimeter the secondary water separator is set.
Being connected all adopt between interface of the present utility model and housing, heat exchanger tube and the collector is welded to connect, disclosure risk when therefore vapo(u)rization system is moved is low, the plugging rate of after date heat exchanger tube is low when moving one section, therefore can adopt lower design margin, the heat exchange area of whole vapo(u)rization system is reduced, saved material.
The specific embodiment two: the quantity of present embodiment down-comer 6 is two～five.Other composition is identical with embodiment one with annexation.
The specific embodiment three: the quantity of present embodiment tedge 7 is three～six.Other composition is identical with embodiment one or two with annexation.
Operation principle:
High-pressure feed water from the high-pressure heater outlet at first enters preheater 1, water under high pressure is through the pipe side of preheater, high-pressure feed water is heated near saturation temperature and enters later on evaporimeter 2, high-pressure feed water is through the shell-side of evaporimeter 2, back and forth circulation between the loop of a plurality of down-comers 6 and 7 formation of a plurality of tedge absorbs gasification latent heat and becomes mutually later on steam; Steam water interface is behind external drum 5 steam-water separators of evaporimeter, saturation water continues circulation in evaporimeter 2, saturated vapor then enters superheater 3, saturated vapor is through the pipe side of superheater 3, saturated vapor becomes later superheated steam through heating and enters the steam turbine high-pressure cylinder acting, the steam turbine high-pressure cylinder exhaust enters reheater 4, the high pressure cylinder exhaust walks to manage side, after heating, enter turbine low pressure cylinder and continue the acting of expanding, the route of the thermal source conduction oil circulation of vapo(u)rization system is just in time opposite with the route in carbonated drink loop, high temperature heat conductive oil is divided into two-way, and one the tunnel at first enters superheater 3, through superheater 3 shell-sides, then enter evaporimeter 2, through evaporimeter 2 pipe sides, enter at last preheater 1, through the shell-side of preheater 1; Another road enters reheater 4, through the shell-side of reheater 4, absorbs heat from coming back to the solar energy mirror field after preheater 1 and reheater 4 low temperature conduction oil out converge, and finishes a circulation.
Claims (3)
1. coiled pipe heat exchange vapo(u)rization system that is used for the groove type solar photo-thermal power generation, described heat exchange vapo(u)rization system comprises preheater (1), evaporimeter (2), superheater (3), reheater (4), the external drum of evaporimeter (5), a plurality of down-comers (6) and a plurality of tedge (7) consist of, the external drum of described evaporimeter (5) is interconnected with evaporimeter (2) by a plurality of down-comers (6) and a plurality of tedge (7), it is characterized in that: described preheater (1), evaporimeter (2), be provided with heat exchanger tube (8) in superheater (3) and the reheater (4), inlet header (9) and outlet header (10), described preheater (1), evaporimeter (2), heat exchanger tube (8) in superheater (3) and the reheater (4) is snakelike heat exchange tube, one end of heat exchanger tube (8) is communicated with inlet header (9), the other end of heat exchanger tube (8) is communicated with outlet header (10), described preheater (1), evaporimeter (2), superheater (3) is along yi word pattern connection in sequential series, described reheater (4) and preheater (1), evaporimeter (2), superheater (3) is in parallel the connection all, and the outlet header (10) of preheater (1) and the inlet header (9) of superheater (3) all are communicated with the external drum of evaporimeter (5).
2. the coiled pipe heat exchange vapo(u)rization system for the groove type solar photo-thermal power generation according to claim 1, it is characterized in that: the quantity of down-comer (6) is two～five.
3. the coiled pipe heat exchange vapo(u)rization system for the groove type solar photo-thermal power generation according to claim 1 and 2, it is characterized in that: the quantity of tedge (7) is three～six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220375719 CN202660762U (en) | 2012-07-31 | 2012-07-31 | Pipe coil heat transfer vaporization system used for slot-type solar energy photo-thermal power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220375719 CN202660762U (en) | 2012-07-31 | 2012-07-31 | Pipe coil heat transfer vaporization system used for slot-type solar energy photo-thermal power generation |
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| Publication Number | Publication Date |
|---|---|
| CN202660762U true CN202660762U (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220375719 Expired - Lifetime CN202660762U (en) | 2012-07-31 | 2012-07-31 | Pipe coil heat transfer vaporization system used for slot-type solar energy photo-thermal power generation |
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| Country | Link |
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| CN (1) | CN202660762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115307118A (en) * | 2022-07-15 | 2022-11-08 | 中国船舶重工集团公司第七0三研究所 | High-power photo-thermal power station steam generation system adopting heat conduction oil |
-
2012
- 2012-07-31 CN CN 201220375719 patent/CN202660762U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115307118A (en) * | 2022-07-15 | 2022-11-08 | 中国船舶重工集团公司第七0三研究所 | High-power photo-thermal power station steam generation system adopting heat conduction oil |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |
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| CX01 | Expiry of patent term |