CN108980800A - The preparation method and its application method of solar energy medium-temperature collectors and its heat collector - Google Patents

The preparation method and its application method of solar energy medium-temperature collectors and its heat collector Download PDF

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Publication number
CN108980800A
CN108980800A CN201811116508.2A CN201811116508A CN108980800A CN 108980800 A CN108980800 A CN 108980800A CN 201811116508 A CN201811116508 A CN 201811116508A CN 108980800 A CN108980800 A CN 108980800A
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branch pipe
water
gas
general pipeline
supply mains
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CN201811116508.2A
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CN108980800B (en
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殷奕泽
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Wuhan Changneng Xinyue New Energy Technology Co ltd
Zhejiang Bixing New Energy Technology Co ltd
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Wuhan Changneng Xinyue New Energy Technology Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00Methods of steam generation characterised by form of heating method
    • F22B1/006Methods of steam generation characterised by form of heating method using solar heat
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a kind of solar energy medium-temperature collectors.It includes heat collector, and heat collector includes steam generating unit, eccentric vacuum tube, row's borehole structure is arranged on gas general pipeline, borehole structure is made of circular hole and turnup structure, and turnup structure is formed by the gas general pipeline downward bending for being located at circular hole, and borehole structure is cylindrical;Gas branch pipe one end is welded on the turnup structure of gas general pipeline, and gas branch pipe is thin metallic tubd;Gas branch pipe one end is connected with gas general pipeline;Row's borehole structure is respectively arranged in supply mains's upper and lower ends, and the borehole structure on supply mains is corresponding with the borehole structure being located on gas general pipeline;Supply mains is thin metallic tubd.The present invention is reasonable with stabilized structure, low energy consumption, the high advantage of collecting efficiency.The invention also discloses the methods of the preparation solar energy medium-temperature collectors.The invention also discloses the application methods of the solar energy medium-temperature collectors.

Description

The preparation method and its application method of solar energy medium-temperature collectors and its heat collector
Technical field
The present invention relates to solar energy heat utilization technical fields, more specifically say it is solar energy medium-temperature collectors.This hair The bright method for further relating to prepare the heat collector in solar energy medium-temperature collectors.The invention further relates to making for solar energy medium-temperature collectors Use method.
Background technique
Solar energy be the Nature vouchsafe we it is inexhaustible, with endless clean energy resource, cease breath the most with the people's livelihood Relevant is the application of various solar energy.
For reply Global climate change, energy resource shortage, the deterioration of the ecological environment challenge, the mankind are following low-carbon and are following The mode of ring is guiding with low-carbon, develops a circular economy, builds low-carbon ecological city, popularizes low-carbon green building, carried out by Green building refers to building environmental sound, can make full use of environment and natural resources, and substantially ecological in not welding A kind of building built under equilibrium condition, and can be described as sustainable, ecotecture, the building that goes back to nature, energy conservation Environment protection architecture etc., still, existing green building mostly use coal-fired confession to meet the life requirement of constant temperature, constant humidity, permanent oxygen Heat wastes a large amount of conventional energy resource, and not environmentally.
Existing solar thermal collector cannot carry high pressure, and its gas general pipeline and supply mains are being welded to connect gas branch pipe and water Stress deformation extremely distortion or breach are easy to happen when branch pipe, machining yield is low, and scrappage is high, and it is at high cost, and collect thermal output effect Rate is lower.
Summary of the invention
The first object of the present invention is to provide for a kind of solar energy medium-temperature collectors, can hold high pressure, dimensionally stable, stress In turnup structure formula, thin metallic tubd, there is no stress deformations, at low cost, thermal-arrest delivery efficiency height.
The second object of the present invention is to provide for the method for preparing solar energy medium-temperature collectors.
The third object of the present invention is to provide for the application method of solar energy medium-temperature collectors.
In order to realize the first purpose of aforementioned present invention, the technical solution of the present invention is as follows: solar energy medium-temperature collectors, including Heat collector, it is characterised in that: heat collector includes steam generating unit, eccentric vacuum tube, and steam generating unit includes gas general pipeline, gas Branch pipe, supply mains, water branch pipe, gas general pipeline are hollow pipe, row's borehole structure are arranged on gas general pipeline, borehole structure is by circular hole and turns over Side structure composition, turnup structure are formed by the gas general pipeline downward bending for being located at circular hole, and borehole structure is cylindrical;Gas general pipeline is Thin metallic tubd;
Gas branch pipe one end is welded on the turnup structure of gas general pipeline, and gas branch pipe is thin metallic tubd;Gas branch pipe one end and gas General pipeline is connected, and the other end is hatch frame;
Supply mains is hollow pipe, and row's borehole structure, the circular hole knot on supply mains is respectively arranged in supply mains's upper and lower ends Structure is corresponding with the borehole structure being located on gas general pipeline;Supply mains is thin metallic tubd;
Water branch pipe one end is welded on the turnup structure of supply mains, and water branch pipe is thin metallic tubd;Water branch pipe one end and water General pipeline is connected, and the other end is in enclosed construction;
Gas branch pipe sequentially pass through the borehole structure positioned at supply mains upper end and the borehole structure positioned at supply mains lower end and with Connection is welded and fixed in the turnup structure of supply mains upper end, and is set in water branch pipe;Water branch pipe passes through metal fin and heated glass The connection of glass inside pipe wall.
In the above-mentioned technical solutions, the eccentric vacuum tube includes cover glass pipe, heated glass pipe, vacuum area, gold Belong to bracket, metal fin, heated glass pipe is closed at one end, the other end and cover glass bottom of the tube are tightly connected, heated glass pipe Region between cover glass pipe is vacuum area, and the closed end of heated glass pipe is extend into cover glass tube cavity;By The steam generating unit is equipped with along axis in hot glass tube.
In the above-mentioned technical solutions, heat collector temperature transmitter and heat collector safety valve are provided on heat collector;Metal wing Piece outer wall is tightly attached to heated glass inside pipe wall, and metal fin inner wall is tightly attached to water branch pipe outer wall.
In the above-mentioned technical solutions, water branch pipe and gas branch pipe are coaxially disposed;Metal fin is the circular arcs knots such as concentric separate type Structure, the circumference that the internal diameter of each arc structure surrounds match with water branch pipe outside diameter, and each arc structure section outer wall opens up There is a notch, notch extends flange from metal fin inner wall to both sides top.
In the above-mentioned technical solutions, the borehole structure aperture on gas general pipeline and positioned at supply mains upper end and gas branch pipe Aperture is equal;Aperture positioned at the borehole structure of supply mains lower end is equal with the aperture of water branch pipe.
In the above-mentioned technical solutions, cover glass inside pipe wall is coated with metal reflective plated film.
In the above-mentioned technical solutions, heated glass pipe outer wall is coated with selective coating;Heated glass pipe is by being arranged at it At least one metallic support on outer wall is positioned and supported in cover glass tube cavity.
In order to realize the second purpose of aforementioned present invention, the technical solution of the present invention is as follows: preparing solar energy medium-temperature collectors In heat collector method, which comprises the steps of:
Step 1: assembling steam generating unit, the slotted hole on drawing gas general pipeline makes a call to a platoon leader on mono- end face gas general pipeline Circular hole, feed pipe one end, which is inserted on the feedhole of drawing hemisphere, to be sent into drawing hemisphere in gas general pipeline, send to slotted hole;It will draw Dead man upper end is upward through slotted hole, screws in the drawing aperture in drawing hemisphere and be fixed in drawing aperture, and drawing bar pulls down, Slotted hole becomes the turnup structure that circular hole and downward bending are formed;Slotted hole on gas general pipeline is drawn into borehole structure one by one;
Slotted hole on drawing supply mains, it is each in supply mains's upper and lower end faces to make a call to platoon leader's circular hole, it is total by drawing gas The slotted hole of supply mains is drawn into borehole structure by the method for the slotted hole on pipe one by one;
Gas branch pipe is welded and fixed, gas branch pipe is welded on the turnup structure on gas general pipeline;Gas branch pipe is sequentially passed through into position It in the borehole structure of supply mains upper end and lower end and stretches out supply mains, be set in water branch pipe, by gas branch pipe and supply mains upper end Turnup structure be welded to connect and fix, the turnup structure of the connecting pin of water branch pipe and supply mains lower end is welded to connect and is fixed;
Step 2: assembling eccentric vacuum tube: the closed end that outer wall is coated with the heated glass pipe of selective coating is extend into plating Have in the cover glass tube cavity of metal reflective plated film and be positioned and supported in cover glass tube cavity by metallic support, After vacuum area vacuumizes, the heated glass pipe other end and cover glass bottom of the tube are tightly connected;
Step 3: the water branch pipe of steam generating unit is inserted in eccentric vacuum by assembling steam generating unit and eccentric vacuum tube It is connect in the heated glass pipe of pipe and by metal fin with heated glass inside pipe wall.
In order to realize the third purpose of aforementioned present invention, the technical solution of the present invention is as follows: the solar energy medium temperature thermal-arrest The application method of device, which comprises the steps of:
Step 1: gas general pipeline is located at below supply mains and is located at below eccentric vacuum tube, and the water in supply mains is input to water Steam is formed after the solar energy heating absorbed in branch pipe through eccentric vacuum tube, steam enters gas branch pipe from upper end, and steam passes through gas Branch pipe enters gas general pipeline;
Step 2: steam by the water in gas general pipeline output, heating heat collector, hot water and insulated water tank in heat collector or Heat exchange coil in heat storage water tank forms loop, by the heat transfer of heat collector to guarantor under the driving of heat collector water circulating pump In reservoir or heat storage water tank, meet user include for bathing, heating, boiling use demand.
In order to realize the third purpose of aforementioned present invention, the technical solution of the present invention is as follows: the solar energy medium temperature thermal-arrest The application method of device, which comprises the steps of:
Step 1: gas general pipeline is located above supply mains and is located above eccentric vacuum tube, and the water in supply mains is input to water Formation temperature is higher than 100 DEG C of superheated water after the solar radiation heating absorbed in branch pipe through eccentric vacuum tube, and superheated water is under End enters gas branch pipe, and superheated water enters gas general pipeline by gas branch pipe;
Step 2: superheated water passes through gas general pipeline output, heats the water in heat collector, hot water and insulated water tank in heat collector Or the heat exchange coil in heat storage water tank forms loop, arrives the heat transfer of heat collector under the driving of heat collector water circulating pump In insulated water tank or heat storage water tank, meet user include for bathing, heating, boiling use demand.
The present invention has the advantage that
(1) present invention uses safe, and water does not contact glass, contact steel pipe in steam generating unit of the present invention, does not fry Pipe phenomenon overcomes the glass in prior art water contact glass tube, glass tube bombing easily occurs when heat collector generates steam The phenomenon that;
(2) present invention is logical to be circular hole and flange knot for the slotted hole drawing in the supply mains of thin metallic tubd and gas general pipeline Structure, water branch pipe and gas branch pipe are directly fixedly welded on the turnup structure of supply mains and gas general pipeline, therefore are thin metallic tubd The pore size of supply mains and gas general pipeline are stablized, and stress will not occur stress deformation on turnup structure, can hold high pressure, at low cost; High pressure cannot be carried by overcoming existing solar thermal collection system, and its gas general pipeline and supply mains are being welded to connect gas branch pipe and water Stress deformation is easy to happen when branch pipe to distortion or breach, machining yield is low, scrappage height, disadvantage at high cost;
(3) platoon leader's circular hole drawing on gas general pipeline is in borehole structure of the row with turnup structure, and supply mains is setting up and down The equal drawing of slotted hole be in the borehole structure with turnup structure, supply mains is positive and negative available, the closed end of water branch pipe upward when, gas is total Pipe is located at below supply mains, and supply mains becomes water inlet pipe, closed circulation, and gas branch pipe goes out steam;The closed end of water branch pipe downward when, Gas general pipeline is located above supply mains, and gas branch pipe goes out the superheated water that temperature is greater than 100 DEG C, and gas general pipeline becomes outlet pipe;
(4) the thermal-arrest delivery efficiency of heat collector is high in the present invention, and the embodiment of the present invention uses the heat collector in 19 holes, in the sun Illumination width three classes area, the heater for being equivalent to 900w power of heat collector, heat collector generate boiled water when there is the sun per hour 10kg generates boiled water daily and is greater than or equal to 80kg, and economize on electricity 400~800 degree of electricity every year;
(5) the configuration of the present invention is simple, heat collector of the present invention can directly generate the overheat of saturated vapor or temperature greater than 100 DEG C Water uses water as heat-conducting medium, generates saturated vapor or this general clean energy resource of superheated water, without intermediate heat exchange and mass transfer Processes and its supporting structure components such as heat transfer;Heat transfer medium is run in stainless steel tube, does not contact glass tube, and heavy metal free is dirty Dye, water quality can be used for diet, overcome the shortcomings that water that ordinary solar heat collector heats cannot be directly used to diet.
Detailed description of the invention
Fig. 1 connect schematic cross-sectional view one with eccentric vacuum tube for steam generating unit of the present invention.
Fig. 2 connect schematic cross-sectional view two with eccentric vacuum tube for steam generating unit of the present invention.
Fig. 3 is the total pipe drawing cross section structure schematic diagram of gas of the present invention.
Fig. 4 is the total pipe drawing of gas of the present invention and flange cross section structure schematic diagram.
Fig. 5 is supply mains's drawing of the present invention and flange cross section structure schematic diagram.
Fig. 6 is to have set slotted hole structural schematic diagram on gas general pipeline of the present invention.
Fig. 7 is structural schematic diagram of the slotted hole drawing on gas general pipeline of the present invention in borehole structure.
Fig. 8 is steam generating unit cross section structure schematic diagram of the present invention.
1- heat collector in figure, 2- steam generating unit, 2.1- gas general pipeline, 2.11- borehole structure, 2.111- circular hole, 2.112- turnup structure, 2.2- gas branch pipe, 2.3- supply mains, 2.4- water branch pipe, 3- bias vacuum tube, 3.1- cover glass pipe, 3.2- heated glass pipe, 3.3- vacuum area, 3.4- metallic support, 3.5- metal fin, 28- slotted hole, 29- drawing hemisphere, 29.1- feedhole, 29.2- drawing aperture, 30- metal reflective plated film.
Specific embodiment
The performance that the invention will now be described in detail with reference to the accompanying drawings, but they and do not constitute a limitation of the invention, only It is for example.Keep advantages of the present invention more clear by explanation simultaneously and is readily appreciated that.
Refering to known to attached drawing: solar energy medium-temperature collectors, including heat collector 1, heat collector 1 are solar thermal collector, thermal-arrest Device 1 includes steam generating unit 2, eccentric vacuum tube 3, and steam generating unit 2 includes gas general pipeline 2.1, gas branch pipe 2.2, supply mains 2.3, water branch pipe 2.4;Gas general pipeline 2.1 is hollow pipe, and row's borehole structure 2.11, borehole structure 2.11 is arranged on gas general pipeline 2.1 It is made of circular hole 2.111 and turnup structure 2.112, turnup structure 2.112 is downward by the gas general pipeline 2.1 for being located at circular hole 2.111 Bending forms, and borehole structure 2.11 is cylindrical;Gas general pipeline 2.1 is thin metallic tubd;
2.2 one end of gas branch pipe is welded on the turnup structure 2.112 of gas general pipeline 2.1, and gas branch pipe 2.2 is thin metallic tubd; 2.2 one end of gas branch pipe is connected with gas general pipeline 2.1, and the other end is hatch frame;
Supply mains 2.3 is hollow pipe, and row's borehole structure 2.11 is respectively arranged in 2.3 upper and lower ends of supply mains, is located at supply mains The borehole structure 2.11 of 2.3 upper ends is connected with the borehole structure 2.11 for being located at 2.3 lower end of supply mains and center line is identical;Position It is corresponding with the borehole structure 2.11 being located on gas general pipeline 2.1 in the borehole structure 2.11 on supply mains 2.3, form through-hole knot Structure, and the center line phase of the borehole structure 2.11 being located on supply mains 2.3 and the borehole structure 2.11 being located on gas general pipeline 2.1 Together;Supply mains 2.3 is thin metallic tubd;
2.4 one end of water branch pipe is welded on the turnup structure 2.112 of supply mains 2.3, and water branch pipe 2.4 is thin metallic tubd; 2.4 one end of water branch pipe is connected with supply mains 2.3, and the other end is in enclosed construction;
Gas branch pipe 2.2 is sequentially passed through positioned at the borehole structure 2.11 of 2.3 upper end of supply mains and positioned at 2.3 lower end of supply mains Borehole structure 2.11 and being welded and fixed with the turnup structure 2.112 on supply mains 2.3 is connect, and is set in water branch pipe 2.4; 2.2 height of gas branch pipe in water branch pipe 2.4 is less than the total height of water branch pipe 2.4 (as shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 5);Water Branch pipe 2.4 connect (as shown in Figure 1 and Figure 2) with 3.2 inner wall of heated glass pipe by metal fin 3.5.
The bias vacuum tube 3 includes cover glass pipe 3.1, heated glass pipe 3.2, vacuum area 3.3, metallic support 3.4, metal fin 3.5, heated glass pipe 3.2 is closed at one end, the other end and 3.1 sealed bottom of cover glass pipe connect, and is heated Region between glass tube 3.2 and cover glass pipe 3.1 is vacuum area 3.3, and the closed end of heated glass pipe 3.2 extend into outer In 3.1 inner cavity of cover glass tube;The steam generating unit 2 is equipped with along axis in heated glass pipe 3.2.
Heat collector temperature transmitter and heat collector safety valve are provided on heat collector 1;3.5 outer wall of metal fin be tightly attached to by Hot 3.2 inner wall of glass tube, 3.5 inner wall of metal fin are tightly attached to 2.4 outer wall of water branch pipe.
Water branch pipe 2.4 and gas branch pipe 2.2 are coaxially disposed;Metal fin 3.5 is the arc structures such as concentric separate type, Ge Geyuan The circumference that the internal diameter of arc structure surrounds matches with 2.4 outer diameter of water branch pipe, and each arc structure section outer wall offers one Notch, notch extend flange from 3.5 inner wall of metal fin to both sides top.
The aperture in borehole structure 2.11 aperture and gas branch pipe 2.2 on gas general pipeline 2.1 and positioned at 2.3 upper end of supply mains It is equal;Aperture positioned at the borehole structure 2.11 of 2.3 lower end of supply mains is equal with the aperture of water branch pipe 2.4;The hole of water branch pipe 2.4 Diameter is greater than the aperture of gas branch pipe 2.2.
3.1 inner wall of cover glass pipe is coated with metal reflective plated film 30.
Heated glass pipe outer wall is coated with selective coating;Heated glass pipe 3.2 is by being arranged at least one on its external wall A metallic support 3.4 is positioned and supported in 3.1 inner cavity of cover glass pipe (as shown in Figure 1 and Figure 2).
Refering to known to attached drawing 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8: preparing the solar energy medium-temperature collectors In heat collector method, include the following steps:
Step 1: assembling steam generating unit, the slotted hole on drawing gas general pipeline makes a call to a row on 2.1 1 end face gas general pipeline Slotted hole 28, feed pipe one end, which is inserted on the feedhole 29.1 of drawing hemisphere 29, to be sent into drawing hemisphere 29 in gas general pipeline 2.1, send To slotted hole 28;33 upper end of drawing bar be external thread structure, drawing aperture 29.2 be internal thread structure, by 33 upper end of drawing bar to On across slotted hole 28, screw in the drawing aperture 29.2 in drawing hemisphere 29 and be fixed in drawing aperture 29.2, drawing bar 33 is downward It draws, slotted hole 28 becomes the turnup structure 2.112 that circular hole 2.111 and downward bending are formed;By the slotted hole 28 on gas general pipeline 2.1 It is drawn into borehole structure 2.11 one by one;
Slotted hole on drawing supply mains, it is each in 2.3 upper and lower end faces of supply mains to make a call to platoon leader's circular hole 28, pass through drawing The slotted hole 28 of supply mains 2.3 is drawn into borehole structure 2.11 by the method for the slotted hole on gas general pipeline one by one;
Gas branch pipe is welded and fixed, gas branch pipe 2.2 is welded on the turnup structure 2.112 on gas general pipeline 2.1;By gas branch pipe 2.2 sequentially pass through the borehole structure 2.11 positioned at 2.3 upper end of supply mains and lower end and stretch out supply mains 2.3, are set in water branch pipe In 2.4, gas branch pipe 2.2 and the turnup structure 2.112 of 2.3 upper end of supply mains are welded to connect and fixed, by the connection of water branch pipe 2.4 The turnup structure 2.112 of end and 2.3 lower end of supply mains, which is welded to connect, to be fixed;
Step 2: assembling eccentric vacuum tube: the closed end that outer wall is coated with the heated glass pipe 3.2 of selective coating is protruded into Outer cover glass is positioned and supported within into 3.1 inner cavity of cover glass pipe for be coated with metal reflective plated film 30 and through metallic support 3.4 In 3.1 inner cavity of glass pipe, after vacuum area 3.3 vacuumizes, by 3.2 other end of heated glass pipe and 3.1 bottom of cover glass pipe It is tightly connected;
Step 3: the water branch pipe 2.4 of steam generating unit is inserted in bias by assembling steam generating unit and eccentric vacuum tube It is connect in the heated glass pipe 3.2 of vacuum tube and by metal fin 3.5 with 3.2 inner wall of heated glass pipe.
Refering to known to attached drawing 2: the application method of the solar energy medium-temperature collectors includes the following steps:
Step 1: gas general pipeline 2.1 is located at 2.3 lower section of supply mains and is located at eccentric 3 lower section of vacuum tube, in supply mains 2.3 Water forms steam after being input to the solar radiation heating absorbed in water branch pipe 2.4 through eccentric vacuum tube, and steam enters from upper end Gas branch pipe 2.2, steam enter gas general pipeline 2.1 by gas branch pipe 2.2;
Step 2: steam passes through the output of gas general pipeline 2.1, heats the water in heat collector 1, hot water and heat preservation water in heat collector 1 Heat exchange coil in case or heat storage water tank forms loop, passes the heat of heat collector 1 under the driving of heat collector water circulating pump It is delivered in insulated water tank or heat storage water tank, meeting user includes the use demand for bathing, heating, boiling etc..
Refering to known to attached drawing 1, Fig. 3: the application method of the solar energy medium-temperature collectors includes the following steps:
Step 1: gas general pipeline 2.1 is located at 2.3 top of supply mains and is located at eccentric 3 top of vacuum tube, in supply mains 2.3 Formation temperature is higher than 100 DEG C of overheat after water is input to the solar radiation heating absorbed in water branch pipe 2.4 through eccentric vacuum tube Water, superheated water enter gas branch pipe 2.2 from lower end, and superheated water enters gas general pipeline 2.1 by gas branch pipe 2.2;
Step 2: superheated water passes through the output of gas general pipeline 2.1, heats the water in heat collector 1, hot water and heat preservation in heat collector 1 Heat exchange coil in water tank or heat storage water tank forms loop, by the heat of heat collector 1 under the driving of heat collector water circulating pump It is transmitted in insulated water tank or heat storage water tank, meeting user includes the use demand for bathing, heating, boiling etc..
Embodiment
Solar energy medium-temperature collectors set a row totally 19 slotted holes, gas on the gas general pipeline 2.1 in steam generating unit 2 General pipeline 2.1 is thin metallic tubd, and caliber × pipe thickness × pipe range of gas general pipeline 2.1 is 20 × 1 × 1800mm of Φ;Pass through drawing Slotted hole on ball drawing gas general pipeline 2.1 forms borehole structure 2.11, the circular hole 2.111 and turnup structure of borehole structure 2.11 2.112 aperture is Φ 8mm;
2.3 upper and lower ends of supply mains respectively correspondingly set a row totally 19 slotted holes, and supply mains 2.3 is hollow structure, water The slotted hole of 2.3 upper and lower ends of general pipeline is coaxial arrangement, forms through-hole structure, and correspondingly supply mains 2.3 is thin metallic tubd, water Caliber × pipe thickness × pipe range of general pipeline 2.3 is 20 × 1 × 1800mm of Φ;Pass through 2.3 upper end of drawing ball drawing supply mains Slotted hole forms upward borehole structure 2.11, and the slotted hole of 2.3 lower end of drawing supply mains forms downward borehole structure 2.11, Aperture positioned at the borehole structure 2.11 of 2.3 upper end of supply mains is Φ 8mm;Borehole structure positioned at 2.3 lower end of supply mains 2.11 aperture is Φ 14mm;
2.4 one end of water branch pipe is welded on the turnup structure 2.112 of 2.3 one end of supply mains, and water branch pipe 2.4 is thin-wall metal Pipe, caliber × pipe thickness of water branch pipe 2.4 are 14 × 0.5mm of Φ;
It is open end, gas that the turnup structure 2.112 of 2.2 one end of gas branch pipe and gas general pipeline 2.1, which are welded to connect the fixed, other end, The borehole structure 2.11 that the open end of branch pipe 2.2 is placed through 2.3 upper and lower ends of supply mains is inserted in water branch pipe 2.4, gas branch pipe 2.2 are welded to connect with the turnup structure 2.112 of 2.3 upper end of supply mains and fix;Gas branch pipe 2.2 is thin metallic tubd;Gas branch pipe 2.2 Caliber × pipe thickness be 8 × 0.5mm of Φ;The open end of gas branch pipe 2.2 is placed in water branch pipe 2.4.
The closed end that outer wall is coated with the heated glass pipe 3.2 of selective coating is extend into and is coated with metal reflective plated film 30 It is positioned and supported in 3.1 inner cavity of cover glass pipe in 3.1 inner cavity of cover glass pipe and by metallic support 3.4, in vacuum area After domain 3.3 vacuumizes, 3.2 other end of heated glass pipe is connect with 3.1 sealed bottom of cover glass pipe;
The water branch pipe 2.4 of steam generating unit is inserted in the heated glass pipe 3.2 of eccentric vacuum tube and passes through metal wing Piece 3.5 is connect with 3.2 inner wall of heated glass pipe;
Gas general pipeline 2.1 is located at 2.3 lower section of supply mains and is located at eccentric 3 lower section of vacuum tube, the water input in supply mains 2.3 Steam is formed after the solar radiation heating absorbed into water branch pipe 2.4 through eccentric vacuum tube or gas general pipeline 2.1 is located at supply mains Above 2.3 and it is located at eccentric 3 top of vacuum tube, the water in supply mains 2.3 is input in water branch pipe 2.4 to be inhaled through eccentric vacuum tube Formation temperature is higher than 100 DEG C of superheated water after the solar radiation heating of receipts;
Steam enters gas branch pipe 2.2 or superheated water from upper end and enters gas branch pipe 2.2 from lower end, and steam or superheated water pass through gas Branch pipe 2.2 enters gas general pipeline 2.1;
Steam or superheated water heat the water in heat collector 1, hot water and insulated water tank in heat collector 1 by gas general pipeline 2.1 Or the heat exchange coil in heat storage water tank forms loop, by the heat transfer of heat collector 1 under the driving of heat collector water circulating pump Into insulated water tank or heat storage water tank, meeting user includes the use demand for bathing, heating, boiling etc..
It uses conclusion: directly boiled water can be generated using solar energy optical-thermal with solar energy medium-temperature collectors, with the collection in 19 holes For hot device,
Regional (including the ground such as Shandong, Henan, the Hebei southeast, Southern Shanxi Province), the annual sunshine in solar irradiation width three classes About 2200~3000 hours, surpass 700w/m according to width2, the heater for being equivalent to 900w power of heat collector of the present invention, the present invention Heat collector generates boiled water 10kg when there is the sun per hour, generates boiled water daily and is greater than or equal to 80kg, and economize on electricity 400 every year~ 800 degree of electricity;
In solar irradiation two class area (including the Hebei northwestward, North of Shanxi, Southern Nei Mongol, Southern Ningxia, Gansu The ground such as middle part, East of Qinghai Province, Southeastern Tibet and southern Xinjiang), annual sunshine is about 3000~3200 hours, super according to width 900w/m2, the heater for being equivalent to 1100w power of heat collector of the present invention;
It is a kind of regional (including the ground such as Qinghai-Tibet Platean, Northern Kansu, Northern Ningxia and southern Xinjiang) in solar irradiation width, often Year sunshine is about 3200~3300 hours, surpasses 1100w/m according to width2, the heating for being equivalent to 1300w power of heat collector of the present invention Device.
It can be seen that solar energy medium-temperature collectors of the present invention can directly generate the mistake of saturated vapor or temperature greater than 100 DEG C Hot water uses water as heat-conducting medium, generates saturated vapor or this general clean energy resource of superheated water, without intermediate heat exchange and passes Processes and its supporting structure components such as matter heat transfer;Heat transfer medium is run in stainless steel tube, does not contact glass tube, heavy metal free Pollution, water quality can be used for diet, overcome the shortcomings that water that common heat collector heats cannot be directly used to diet;Present invention collection Thermal output is high-efficient, can energy saving, save the cost.
Other unaccounted parts belong to the prior art.

Claims (10)

1. solar energy medium-temperature collectors, including heat collector (1), it is characterised in that: heat collector (1) include steam generating unit (2), Eccentric vacuum tube (3), steam generating unit (2) include gas general pipeline (2.1), gas branch pipe (2.2), supply mains (2.3), water branch pipe (2.4), gas general pipeline (2.1) is hollow pipe, and row's borehole structure (2.11), borehole structure (2.11) is arranged on gas general pipeline (2.1) It is made of circular hole (2.111) and turnup structure (2.112), turnup structure (2.112) is by the gas general pipeline positioned at circular hole (2.111) (2.1) downward bending forms, and borehole structure (2.11) is cylindrical;Gas general pipeline (2.1) is thin metallic tubd;
Gas branch pipe (2.2) one end is welded on the turnup structure (2.112) of (2.1) gas general pipeline, and gas branch pipe (2.2) is thin-wall metal Pipe;Gas branch pipe (2.2) one end is connected with gas general pipeline (2.1), and the other end is hatch frame;
Supply mains (2.3) is hollow pipe, and row's borehole structure (2.11) is respectively arranged in supply mains (2.3) upper and lower ends, and it is total to be located at water The borehole structure (2.11) managed on (2.3) is corresponding with borehole structure (2.11) being located on gas general pipeline (2.1);Supply mains It (2.3) is thin metallic tubd;
Water branch pipe (2.4) one end is welded on the turnup structure (2.112) of supply mains (2.3), and water branch pipe (2.4) is thin-wall metal Pipe;Water branch pipe (2.4) one end is connected with supply mains (2.3), and the other end is in enclosed construction;
Gas branch pipe (2.2) is sequentially passed through positioned at the borehole structure (2.11) of supply mains (2.3) upper end and under supply mains (2.3) The borehole structure (2.11) at end and being welded and fixed with the turnup structure (2.112) of supply mains (2.3) upper end is connect, and is set in In water branch pipe (2.4);
Water branch pipe (2.4) is connect by metal fin (3.5) with heated glass pipe (3.2) inner wall.
2. solar energy medium-temperature collectors according to claim 1, it is characterised in that: the bias vacuum tube (3) includes outer Cover glass tube (3.1), heated glass pipe (3.2), vacuum area (3.3), metallic support (3.4), metal fin (3.5) are heated Glass tube (3.2) is closed at one end, the other end and cover glass pipe (3.1) sealed bottom connect, heated glass pipe (3.2) and outer cover Region between glass tube (3.1) is vacuum area (3.3), and the closed end of heated glass pipe (3.2) extend into cover glass pipe (3.1) in inner cavity;The steam generating unit (2) are equipped with along axis in heated glass pipe (3.2).
3. solar energy medium-temperature collectors according to claim 2, it is characterised in that: heat collector is provided with heat collector on (1) Temperature transmitter and heat collector safety valve;Metal fin (3.5) outer wall is tightly attached to heated glass pipe (3.2) inner wall, metal fin (3.5) inner wall is tightly attached to water branch pipe (2.4) outer wall.
4. solar energy medium-temperature collectors according to claim 3, it is characterised in that: water branch pipe (2.4) and gas branch pipe (2.2) Coaxial arrangement;Metal fin (3.5) is the arc structures such as concentric separate type, the circumference and water that the internal diameter of each arc structure surrounds Branch pipe (2.4) outer diameter matches, and each arc structure section outer wall offers a notch, and notch is by metal fin (3.5) Inner wall extends flange to both sides top.
5. solar energy medium-temperature collectors according to claim 4, it is characterised in that: be located on gas general pipeline (2.1) and be located at Borehole structure (2.11) aperture of supply mains (2.3) upper end is equal with the aperture of gas branch pipe (2.2);Under supply mains (2.3) The aperture of the borehole structure (2.11) at end is equal with the aperture of water branch pipe (2.4).
6. solar energy medium-temperature collectors according to claim 5, it is characterised in that: cover glass pipe (3.1) inner wall is coated with Metal reflective plated film (30).
7. solar energy medium-temperature collectors according to claim 6, it is characterised in that: heated glass pipe outer wall applies selective Coating;Heated glass pipe (3.2) is positioned and supported within outer cover by least one metallic support (3.4) of setting on its external wall In glass tube (3.1) inner cavity.
8. preparing the preparation side of the heat collector in claim 1-7 in solar energy medium-temperature collectors described in any claim Method, which comprises the steps of:
Step 1: assembling steam generating unit, the slotted hole on drawing gas general pipeline makes a call to a platoon leader on (2.1) one end face gas general pipeline Circular hole (28), feed pipe one end are inserted on the feedhole (29.1) of drawing hemisphere (29) drawing hemisphere (29) being sent into gas general pipeline (2.1) it in, send on slotted hole (28);Drawing bar (33) upper end is upward through slotted hole (28), screws in drawing hemisphere (29) In drawing aperture (29.2) and be fixed in drawing aperture (29.2), drawing bar (33) pulls down, and slotted hole (28) becomes circular hole (2.111) and downward bending formed turnup structure (2.112);Slotted hole (28) on gas general pipeline (2.1) is drawn into one by one Borehole structure (2.11);
Slotted hole on drawing supply mains, it is each in supply mains (2.3) upper and lower end faces to make a call to platoon leader's circular hole (28), pass through drawing The slotted hole (28) of supply mains (2.3) is drawn into borehole structure (2.11) by the method for the slotted hole on gas general pipeline one by one;
Gas branch pipe is welded and fixed, gas branch pipe (2.2) is welded on the turnup structure (2.112) on gas general pipeline (2.1);By gas branch Pipe (2.2) sequentially passes through the borehole structure (2.11) positioned at supply mains (2.3) upper end and lower end and stretches out supply mains (2.3), set Loaded in water branch pipe (2.4), the turnup structure (2.112) of gas branch pipe (2.2) and supply mains (2.3) upper end is welded to connect solid It is fixed, the turnup structure (2.112) of the connecting pin of water branch pipe (2.4) and supply mains (2.3) lower end is welded to connect and is fixed;
Step 2: assembling eccentric vacuum tube: the closed end that outer wall is coated with the heated glass pipe (3.2) of selective coating is extend into It is coated in cover glass pipe (3.1) inner cavity of metal reflective plated film (30) and is positioned and supported within by metallic support (3.4) outer In cover glass tube (3.1) inner cavity, after vacuum area (3.3) vacuumizes, by heated glass pipe (3.2) other end and cover glass Manage the connection of (3.1) sealed bottom;
Step 3: the water branch pipe (2.4) of steam generating unit is inserted in eccentric true by assembling steam generating unit and eccentric vacuum tube It is connect in the heated glass pipe (3.2) of blank pipe and by metal fin (3.5) with heated glass pipe (3.2) inner wall.
9. according to claim 1 in -7 solar energy medium-temperature collectors described in any claim application method, feature exists In including the following steps:
Step 1: gas general pipeline (2.1) is located at below supply mains (2.3) and is located at below eccentric vacuum tube (3), supply mains (2.3) In water be input to the solar energy heating absorbed in water branch pipe (2.4) through eccentric vacuum tube after form steam, steam from upper end into Enter gas branch pipe (2.2), steam enters gas general pipeline (2.1) by gas branch pipe (2.2);
Step 2: steam passes through gas general pipeline (2.1) output, heats the water in heat collector (1), hot water and heat preservation in heat collector (1) Heat exchange coil in water tank or heat storage water tank forms loop, by the heat of heat collector (1) under the driving of heat collector water circulating pump Amount be transmitted in insulated water tank or heat storage water tank, meet user include for bathing, heating, boiling use demand.
10. according to claim 1 in -7 solar energy medium-temperature collectors described in any claim application method, feature exists In including the following steps:
Step 1: gas general pipeline (2.1) is located above supply mains (2.3) and is located above eccentric vacuum tube (3), supply mains (2.3) In water be input to the solar energy heating absorbed in water branch pipe (2.4) through eccentric vacuum tube after formation temperature be higher than 100 DEG C of mistake Hot water, superheated water enter gas branch pipe (2.2) from lower end, and superheated water enters gas general pipeline (2.1) by gas branch pipe (2.2);
Step 2: superheated water passes through gas general pipeline (2.1) output, heats the water in heat collector (1), hot water and guarantor in heat collector (1) Heat exchange coil in reservoir or heat storage water tank forms loop, by heat collector (1) under the driving of heat collector water circulating pump In heat transfer to insulated water tank or heat storage water tank, meet user include for bathing, heating, boiling use demand.
CN201811116508.2A 2018-09-25 2018-09-25 Solar medium-temperature heat collector and preparation method and application method thereof Active CN108980800B (en)

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CN203980668U (en) * 2014-05-30 2014-12-03 武汉箕星制冷有限公司 Solar energy evacuated cast steam heat collection device
CN205066187U (en) * 2015-09-19 2016-03-02 山东龙光天旭太阳能有限公司 Full glass vacuum tube solar heat collection device of modified

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* Cited by examiner, † Cited by third party
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JPH1073389A (en) * 1996-08-29 1998-03-17 Zexel Corp Header pipe for heat exchanger
JP2002195662A (en) * 2000-12-27 2002-07-10 Nippon Electric Glass Co Ltd Vacuum solar collector
JP2002364934A (en) * 2001-06-06 2002-12-18 Sankei Giken Kogyo Co Ltd Method for manufacturing double walled header pipe
CN101063559A (en) * 2006-04-28 2007-10-31 张建城 Line focusing metal flow passage solar vacuum heat-collecting tube and fabrication technology thereof
CN101245954A (en) * 2008-01-17 2008-08-20 南京工业大学 Metal tube receiver for groove type line focusing solar heat collector
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