CN207350899U - A kind of heat collector of slot type fused salt photo-thermal power generation - Google Patents
A kind of heat collector of slot type fused salt photo-thermal power generation Download PDFInfo
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- CN207350899U CN207350899U CN201720601553.1U CN201720601553U CN207350899U CN 207350899 U CN207350899 U CN 207350899U CN 201720601553 U CN201720601553 U CN 201720601553U CN 207350899 U CN207350899 U CN 207350899U
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- valve group
- heat collector
- oil cylinder
- power generation
- fused salt
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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
- Y02E10/47—Mountings or tracking
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Abstract
The utility model discloses a kind of heat collector of slot type fused salt photo-thermal power generation, speculum is housed in the cambered surface of either mirror support, multiple mirror supports are followed in series to form the carrier structure of heat collector, and carrier structure is driven by torque tube to be rotated, and torque tube drives rotation by the hydraulic system on driving pylon；Thermal-collecting tube is arranged on torque tube by collector tube holder, and obliquity sensor, which is set in collector tube holder, to be had, and obliquity sensor is electrically connected with live on-site control, and the utility model further includes a kind of control method of the heat collector of slot type fused salt photo-thermal power generation：The control axis that live on-site control is acted as heat collector, hydraulic system provide power for heat collector, and obliquity sensor provides calibration foundation for heat collector rotational angle.The rotation angle of heat collector can be precisely controlled.
Description
Technical field
The present invention relates to photo-thermal power generation technology technical field, more particularly to a kind of thermal-arrest of slot type fused salt photo-thermal power generation
Device.
Background technology
Photo-thermal power generation technology, is the brand-new new energy application technology different from photovoltaic generation.It is one by solar energy
Thermal energy is converted into, then converts heat into the process of electric energy.The solar thermal energy gathered using heat collectors such as condensers, heat transfer is situated between
Matter is heated to the high temperature of several Baidu, and heat transfer medium produces high-temperature steam after heat exchanger, so as to drive steam turbine to produce electricl energy.
Heat transfer medium herein is mostly conduction oil and fused salt.Usually whole solar-thermal generating system is divided into four parts by us：Thermal-arrest system
System, heat-transfer system, accumulation of heat and heat-exchange system, electricity generation system.
Collecting system includes the components such as beam condensing unit, receiver, follower, it may be said that collecting system is whole photo-thermal hair
The core of electricity, then how controlling the more efficient conversion solar of collecting system can be thermal energy, and the core that must exactly solve is asked
Topic.
Existing heat collector mostly only has tilt adjustment control mechanism, lacks certain feedback mechanism, such tilt adjustment
Control precision poor, solar energy can not be caused to be converted into thermal energy to greatest extent.
The content of the invention
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide a kind of slot type fused salt photo-thermal power generation
Heat collector, there is inclination angle trimming regulating structure and method for trimming, the rotation angle of heat collector can be accurately controlled so as to greatest extent
Utilize solar energy.
Technical solution is used by achieve the object of the present invention：
A kind of heat collector of slot type fused salt photo-thermal power generation, including speculum, thermal-collecting tube, collector tube holder, obliquity sensor,
Mirror support, hydraulic system, driving pylon, live on-site control and torque tube；
Speculum is housed, multiple mirror supports are followed in series to form the carrier structure of heat collector, bracket in the cambered surface of either mirror support
Structure is driven by torque tube to be rotated, and torque tube drives rotation by the hydraulic system on driving pylon；
Thermal-collecting tube is arranged on torque tube by collector tube holder, and collector tube holder is equipped with obliquity sensor, and inclination angle passes
Sensor is electrically connected with live on-site control.
Preferably, fixed pylon is equipped with left and right sides of the bottom of mirror support, the bottom middle part of carrier structure is equipped with driving
Pylon, driving pylon are equipped with hydraulic system, live on-site control.
Preferably, the obliquity sensor is assemblied in the collector tube holder directly over driving pylon.
Preferably, the center of either mirror support, which is equipped with, drives its rotating torque tube, and adjacent torque tube passes through flange
Disk is fixedly connected, and torque tube is rotatably arranged on fixed pylon or driving pylon, and hydraulic system is driven with driving torque pipe
Connection.
Preferably, the top of the driving pylon is equipped with driving part, the driving part be equipped with first flange disk with
Second flange disk, the first flange disk are used to assemble torque tube, and the second flange disk assembling is on the rotary shaft；
The hydraulic system includes hydraulic oil container, motor, pump discharge oil path distribution valve group, commutation valve group, balance valve group, the
One oil cylinder, the second oil cylinder, accumulator and accumulator outlet valve group, the first oil cylinder, the connector of the second oil cylinder end are used to drive
Rotation axis, is provided with motor and pump discharge oil path distribution valve group on hydraulic oil container, hydraulic oil container side is provided with accumulator, stores
Accumulator outlet valve group can be provided with below device, the accumulator outlet valve group is connected with pump discharge oil path distribution valve group, pumps
Outlet oil path distribution valve group is connected with commutation valve group, and commutation valve group is respectively connected with the first oil cylinder, the second oil cylinder, in hydraulic oil container
Double pump system is inside provided with, one is is used for realization the plunger pump flexible at a slow speed of oil cylinder, and one stretches to be used for realization the quick of oil cylinder
The gear pump of contracting, oil return valve is set in the exit of the first oil cylinder and the second oil cylinder.
Preferably, between described accumulator outlet valve group and pump discharge oil path distribution valve group, pump discharge oil path distribution valve
Connected between group and commutation valve group, between commutation valve group and the first oil cylinder, the second oil cylinder by hydralic hose.
Compared with prior art, the beneficial effects of the invention are as follows：
Can be according to heat collecting field operational mode, the heat collector tracking sun, is monitored by rotation angle and fed back, accurately control thermal-arrest
The rotation angle of device, absorbs solar energy and is converted into thermal energy, fused salt is heated to 550 DEG C from 290 DEG C to greatest extent.
Brief description of the drawings
Fig. 1 show the structure diagram of the embodiment of the present invention.
Fig. 2 is the structure diagram of the driving pylon of the embodiment of the present invention.
Fig. 3 is the structure diagram of the hydraulic system of the embodiment of the present invention.
Fig. 4 is the operating principle figure of the hydraulic system of the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It is it should be appreciated that described herein
Specific embodiment only to explain the present invention, be not intended to limit the present invention.
Embodiment
As shown in Figs 1-4, a kind of heat collector of slot type fused salt photo-thermal power generation, including speculum 1, thermal-collecting tube 2, thermal-collecting tube branch
Frame 3, obliquity sensor 4, mirror support 5, fixed pylon 6, hydraulic system 7, driving pylon 8, live on-site control 9, torque tube 10；
Multiple mirror supports 5 are followed in series to form the carrier structure of heat collector, and speculum 1, mirror are housed in the cambered surface of either mirror support 5
Fixed pylon 6 is equipped with left and right sides of the bottom of support 5, the bottom middle part of carrier structure is equipped with driving pylon 8, drives pylon 8
It is equipped with hydraulic system 7, live on-site control 9；
The center of either mirror support 5, which is equipped with, drives its rotating torque tube 10, and adjacent torque tube 10 passes through ring flange
Be fixedly connected, hydraulic system 7 can driving torque pipe 10 rotate, torque tube 10 is rotatably arranged on fixed pylon 6 or driving tower
On frame 8；
Thermal-collecting tube 2 is arranged on torque tube 10 by collector tube holder 3, and collector tube holder 3 is equipped with obliquity sensor 4；
The top of the driving pylon 8 is equipped with driving part 11, and the driving part 11 is equipped with 12 He of first flange disk
Second flange disk 13, the first flange disk 12 are used to assemble torque tube 10, and the second flange disk 13 is assemblied in rotation axis 14
On；
The hydraulic system 7 includes hydraulic oil container 15, motor 16, pump discharge oil path distribution valve group 17, commutation valve group 18, flat
Weigh valve group 19, Ffirst cylinder 20, the second oil cylinder 21, accumulator 22 and accumulator outlet valve group 23, Ffirst cylinder 20, the second oil cylinder
The connector of 21 ends is used to drive rotation axis 14, and motor 16 and pump discharge oil path distribution valve group are provided with hydraulic oil container 15
17, accumulator 22 is provided with hydraulic oil container side, the lower section of accumulator 22 is provided with accumulator outlet valve group 23, the accumulation of energy
Device outlet valve group 23 is connected with pump discharge oil path distribution valve group 17, and pump discharge oil path distribution valve group 17 is connected with commutation valve group 18,
Commutation valve group 18 is respectively connected with Ffirst cylinder 20, the second oil cylinder 21, and double pump system is provided with hydraulic oil container 15, and one is use
In the plunger pump flexible at a slow speed for realizing oil cylinder, one is the gear pump for the quick-expansion for being used for realization oil cylinder, in the first oil cylinder and
The exit of second oil cylinder sets oil return valve.
The accumulator is exported between valve group 23 and pump discharge oil path distribution valve group 17, pump discharge oil path distribution valve group 17
It is connected between commutation valve group 18, between commutation valve group 18 and Ffirst cylinder 20, the second oil cylinder 21 by hydralic hose 24.
The control method of the heat collector of the slot type fused salt photo-thermal power generation：Live on-site control is acted as heat collector
Control axis, hydraulic system provide power for heat collector, and obliquity sensor provides calibration foundation for heat collector rotational angle；
PLC receives DCS control system solar tracking angle commands in live on-site control, and PLC internal programs are according to logic control
The rotating speed of hydraulic pump, and open and close respective valves act hydraulic cylinder extension, drive heat collector to rotate, it is anti-according to obliquity sensor
It is fed back to the angle adjustment hydraulic system come to contribute, heat collector is reached the solar tracking angle that DCS is provided；
When in solar tracking state, powering-off state occurs, PLC, which is sent, defocuses instruction, is provided in hydraulic system by accumulator
Power, rotates 1-3 ° so that heat collector is not focusing on, and avoids heat transfer medium mistake by heat collector to solar tracking direction of rotation opposite direction
Heat.
In a manual mode, adjustable heat collector rotates to the optional position between -120 °~120 °, so as to debug or into
Row maintenance.
The operation principle of hydraulic system 7 is as shown in the figure, the small pump of hydraulic pressure is plunger pump 25, discharge capacity 0.1ml/r, it is fuel-displaced successively
Enter cylinder efficient chamber through pump discharge oil path distribution valve group 17, y-function reversal valve 26, balanced valve 27, plunger pump 25 exports oil
Flow is adjusted by motor speed, meets, into the first oil cylinder, the oil inlet quantity of the second oil cylinder size chamber, to promote rotation axis to drive in real time
Heat collector load running, realizes the high accuracy reproduction of sun angle, meets that heat collector focuses on needs in real time.According to rotational angle
The mode of different two oil cylinders effects can be divided into pushing away, pushing away three kinds of modes of action such as drawing with drawing, one, and oil cylinder size chamber sets oil return
Reversal valve (bi-bit bi-pass reversal valve 29), ensures that stress of the oil cylinder at dead-centre position does not interfere.Oil cylinder imports and exports hydraulic fluid port
Balanced valve 30 is respectively provided with, ensures that the needs of heat collector operating stably meet the holding of the positional precision when stopping at the same time.Oil cylinder returns
Oil flows back to fuel tank through counterbalance valve, return filter 31.Make the oil return line moment full of fluid and meet filtering accuracy needs.At the same time
Big pump (gear pump 28) is set, and discharge capacity 3.5ml/r, realizes the fast positioning of drive system and fast quick-action in emergency circumstances
Make.Pump discharge sets overflow valve 32 to carry out pressure setting and protection respectively.To meet drive system defocusing under powering-off state
Action needs, and accumulator 22 is provided with oil circuit, and pressure switch 33, relay detect accumulator outlet pressure in real time.
Once pressure is less than setting value, H function reversing valves 34 start commutation action, and gear pump 28 starts, to accumulator fuel feeding, to make accumulation of energy
Device can keep certain pressure value.Accumulator outlet sets normally opened two-position two-way electromagnetic directional valve 35, in normal work this
Valve closing, once power-off fluid is discharged from accumulator promotes cylinder action, the action needs such as satisfaction promptly defocuses.This hydraulic pressure at the same time
System sets the status alerts such as liquid level, oil temperature, filter blocks, realizes safeguard protection.
Following table is the logical action table of hydraulic system：
The above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (7)
- A kind of 1. heat collector of slot type fused salt photo-thermal power generation, it is characterised in that：Including speculum, thermal-collecting tube, collector tube holder, incline Angle transducer, mirror support, hydraulic system, driving pylon, live on-site control and torque tube；Speculum is housed, multiple mirror supports are followed in series to form the carrier structure of heat collector, carrier structure in the cambered surface of either mirror support Driven and rotated by torque tube, torque tube drives rotation by the hydraulic system on driving pylon；Thermal-collecting tube is arranged on torque tube by collector tube holder, and collector tube holder is equipped with obliquity sensor, obliquity sensor It is electrically connected with live on-site control.
- A kind of 2. heat collector of slot type fused salt photo-thermal power generation according to claim 1, it is characterised in that：The bottom of mirror support is left Right both sides are equipped with fixed pylon, and the bottom middle part of carrier structure is equipped with driving pylon, driving pylon be equipped with hydraulic system, Live on-site control.
- A kind of 3. heat collector of slot type fused salt photo-thermal power generation according to claim 2, it is characterised in that：The inclination angle sensing Device is assemblied in the collector tube holder directly over driving pylon.
- A kind of 4. heat collector of slot type fused salt photo-thermal power generation according to claim 2, it is characterised in that：In either mirror support Heart position, which is equipped with, drives its rotating torque tube, and adjacent torque tube is fixedly connected by ring flange, and torque tube is rotatable to be set Put on fixed pylon or driving pylon, hydraulic system is sequentially connected with driving torque pipe.
- A kind of 5. heat collector of slot type fused salt photo-thermal power generation according to claim 2, it is characterised in that：The driving pylon Top be equipped with driving part, the driving part is equipped with first flange disk and second flange disk, and the first flange disk is used In assembling torque tube, the second flange disk assembling is on the rotary shaft.
- A kind of 6. heat collector of slot type fused salt photo-thermal power generation according to claim 1, it is characterised in that：The hydraulic system Including hydraulic oil container, motor, pump discharge oil path distribution valve group, commutation valve group, balance valve group, the first oil cylinder, the second oil cylinder, accumulation of energy Device and accumulator outlet valve group, the first oil cylinder, the connector of the second oil cylinder end are used to drive rotation axis, are set on hydraulic oil container There are motor and pump discharge oil path distribution valve group, accumulator is provided with hydraulic oil container side, accumulation of energy is provided with below accumulator Device exports valve group, and the accumulator outlet valve group is connected with pump discharge oil path distribution valve group, and pump discharge oil path distribution valve group is with changing It is connected to valve group, commutation valve group is respectively connected with the first oil cylinder, the second oil cylinder, is provided with double pump system in hydraulic oil container, and one To be used for realization the plunger pump flexible at a slow speed of oil cylinder, one is the gear pump for the quick-expansion for being used for realization oil cylinder, in the first oil The exit of cylinder and the second oil cylinder sets oil return valve.
- A kind of 7. heat collector of slot type fused salt photo-thermal power generation according to claim 6, it is characterised in that：The accumulator Export between valve group and pump discharge oil path distribution valve group, between pump discharge oil path distribution valve group and commutation valve group, commutation valve group with Connected between first oil cylinder, the second oil cylinder by hydralic hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720601553.1U CN207350899U (en) | 2017-05-26 | 2017-05-26 | A kind of heat collector of slot type fused salt photo-thermal power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720601553.1U CN207350899U (en) | 2017-05-26 | 2017-05-26 | A kind of heat collector of slot type fused salt photo-thermal power generation |
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| Publication Number | Publication Date |
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| CN207350899U true CN207350899U (en) | 2018-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720601553.1U Active CN207350899U (en) | 2017-05-26 | 2017-05-26 | A kind of heat collector of slot type fused salt photo-thermal power generation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237810A (en) * | 2017-05-26 | 2019-01-18 | 天津滨海光热技术研究院有限公司 | A kind of heat collector and its control method of slot type fused salt photo-thermal power generation |
-
2017
- 2017-05-26 CN CN201720601553.1U patent/CN207350899U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237810A (en) * | 2017-05-26 | 2019-01-18 | 天津滨海光热技术研究院有限公司 | A kind of heat collector and its control method of slot type fused salt photo-thermal power generation |
| CN109237810B (en) * | 2017-05-26 | 2024-01-26 | 天津滨海光热技术研究院有限公司 | Trough type fused salt photo-thermal power generation heat collector and control method thereof |
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