CN107421132A - A kind of solar energy heat exchanger - Google Patents

A kind of solar energy heat exchanger Download PDF

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Publication number
CN107421132A
CN107421132A CN201710592213.1A CN201710592213A CN107421132A CN 107421132 A CN107421132 A CN 107421132A CN 201710592213 A CN201710592213 A CN 201710592213A CN 107421132 A CN107421132 A CN 107421132A
Authority
CN
China
Prior art keywords
solar energy
thermal
air duct
photo
heat exchanger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710592213.1A
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Chinese (zh)
Inventor
宁铎
杨杰
王成兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi University of Science and Technology
Original Assignee
Shaanxi University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanxi University of Science and Technology filed Critical Shaanxi University of Science and Technology
Priority to CN201710592213.1A priority Critical patent/CN107421132A/en
Publication of CN107421132A publication Critical patent/CN107421132A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00Solar heat collectors specially adapted for particular uses or environments
    • F24S20/60Solar heat collectors integrated in fixed constructions, e.g. in buildings
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/003Ventilation of traffic tunnels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00Solar heat collectors specially adapted for particular uses or environments
    • F24S20/60Solar heat collectors integrated in fixed constructions, e.g. in buildings
    • F24S20/61Passive solar heat collectors, e.g. operated without external energy source
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S70/00Details of absorbing elements
    • F24S70/10Details of absorbing elements characterised by the absorbing material
    • F24S70/12Details of absorbing elements characterised by the absorbing material made of metallic material
    • 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

Abstract

The invention discloses a kind of solar energy heat exchanger, the photothermal deformation structure connected with the ventilating opening of the underground space, the solar energy optical-thermal converting unit that photothermal deformation structure is interconnected by several forms, solar energy optical-thermal converting unit is rectangular-shaped, and rectangular array is arranged between solar energy optical-thermal converting unit;Wherein solar energy optical-thermal converting unit includes the air duct at middle part, and photo-thermal diaphragm plate is provided with above air duct, light transmission protective layer is provided with above photo-thermal diaphragm plate;Heat-insulation layer is provided with below air duct;Wherein air channel inlet connects with the draft outlet of the underground space, and the outlet of air duct connects with the entrance of chimney.The device is converted into plane formula by the way that circular photo-thermal to be received to the pipeline of sunshine and receives the high photo-thermal conversion efficiency of sunshine come the air in Synchronous Heating air duct, and then improves the requirement of system ventilation flow;The device uses modularized design, it is transported, is easy for installation, while the service life length of the device, cost-effective, simple and practical.

Description

A kind of solar energy heat exchanger
Technical field
The invention belongs to technical field of solar utilization technique, it is related to the enhancing air circulation technical field of the underground space;Specifically Be related to a kind of solar energy heat exchanger.
Background technology
Energy problem becomes increasingly conspicuous in recent years, and rich and varied energy-conservation occurs in the ventilation field of the underground space such as tunnel Means.Japan is led in long 10km Guan Yue tunnels using the combination of two diameter 9.7m vertical shafts+more precipitators within 1991 Wind scheme.Norway's Lai Er Multiple tunnels that the end of the year 2000 were open to traffic, employ " monocline well+flue dust and purification of nitrogen oxides device+jet wind The longitudinal ventilation mode of machine " combination, air purifier can remove soot dust granule and NO in air2Pernicious gas.For length Big vcehicular tunnel, China is now more to be divulged information using longitudinal divisionses formula, but which still energy consumption is high.
The domestic research to the natural ventilation pressure in tunnel is few.Rule of thumb, for short tunnel by the way of gravity-flow ventilation Not only it is economical but also practical;And for major long tunnel, force ventilation mode is typically used, but under given conditions, natural wind Influence also can be quite obvious, if its rule can be recognized and be used, will be played an important role in terms of energy-saving and emission-reduction.
It is domestic successively to rely on Qinling Mountains in Shaanxi Zhonnanshan Mountain super long tunnel (9.5 meters of air shaft diameter), Liupan Mountain of Ningxia tunnel Realize that part gravity-flow ventilation has carried out application study and had made some progress by air shaft, main thought is effectively to utilize Negative pressure exhausting technology -- stack effect completes tunnel ventilation function together with reference to mechanical exhaust blower.When natural wind passes through above vertical shaft Cross, dynamic pressure is produced in vertical shaft exit negative-pressure ward effect is formed to vertical shaft, reduce perpendicular borehole pressure, so as to be formed to tunnel The effect of interior ventilation.But in actual use due to being limited its effect very by geographical position and natural wind stability It is micro-, exhaust blower force ventilation is still still relied primarily at present, so as to increase power consumption while cause the increase of operating cost.Institute How effectively to increase gravity-flow ventilation component using primary energy to realize energy-saving and emission-reduction while reduce operating cost, have become The technical bottleneck of its popularization and application.
Application No. 2015105667196, patent name are a kind of solar energy air pump complementary type tunnel natural ventilation system And the patent of invention of method, it is proposed that a kind of ventilation unit that the underground spaces such as tunnel are realized by using solar energy, but should Device does not suggest that the concrete structure of suitable Solar thermal conversion structure, does not carry out research and inquirement, and the device to this yet Energy conservation object can be efficiently realized, then depends primarily on the factors such as conversion efficiency and the cost performance of photothermal deformation structure.
Application No. 201320224299.X, patent name are a kind of utility model of solar energy Tunnel Ventilation System Patent, also only for photo-thermal exchanger device (claiming " thermal-arrest canopy " in this patent) by heat-sink shell, recuperation layer and insulation The general concept of layer three parts composition, because can not implement without specific structure design;In addition, in Central Shanxi Plain vcehicular tunnel During experiment, used is that insertion ferrous metal piece realizes Solar thermal conversion in the tubulose thermoreceptor that acrylic material makes , similar to the single-layer glass tube in solar water heater.Although the device is applied to achieve in tunnel natural ventilation system Certain effect, but tubulose is heated, aeration structure significantly reduces solar heat absorption and the exchange efficiency with air, and has Machine material is under sunshine irradiating state, its surprising aging speed be also have a strong impact on its service life it is main because Element.
The content of the invention
The invention provides a kind of solar energy heat exchanger, is converted into using the pipeline that circular photo-thermal is received to sunshine Receive the air that the high efficiency photothermal deformation of sunshine comes in Synchronous Heating air duct for plane formula, and then improve system The target of vent flow;The device uses modularized design, it is transported, is easy for installation, while the service life length of the device, Cost performance is higher, simple and practical.
The technical scheme is that:A kind of solar energy heat exchanger, including connected with the ventilating opening of the underground space Photothermal deformation structure, the solar energy optical-thermal converting unit that photothermal deformation structure is interconnected by several form, solar energy optical-thermal Converting unit is cube shape, and the array arrangement that is square between solar energy optical-thermal converting unit;Wherein solar energy hot-cast socket list Member includes the air duct at middle part, and photo-thermal diaphragm plate is provided with above air duct, light transmission protective layer is provided with above photo-thermal diaphragm plate; Heat-insulation layer is provided with below air duct;Wherein air channel inlet connects with the draft outlet of the underground space, air duct Outlet connects with the entrance of chimney.
Further, the features of the present invention also resides in:
Wherein photo-thermal diaphragm plate extends downwardly from the fin of several metal materials, and fin extends downwardly into air duct In.
Wherein solar energy heat exchange unit is provided with several fixed boards, and the transparent guarantor of installation is provided with fixed board First neck of sheath, the first neck lower section are provided with the second neck of installation photo-thermal template.
Wherein fixed board lower end is fixedly connected on heat-insulation layer.
The both sides of wherein fixed board are provided with the first neck and the second neck.
Wherein attachment structure is provided with two relative sides of heat-insulation layer.
The female mouth of connection is wherein provided with a side of heat-insulation layer, be provided with another relative side of heat-insulation layer with Connect the male mouth of connection of female mouth matching.
Maintenance channel is provided between the adjacent two row air duct wherein composed in series by several photothermal deformation units.
Compared with prior art, the beneficial effects of the invention are as follows:The draft outlet and air duct of the underground spaces such as tunnel Connection, photo-thermal template is by absorbing the luminous energy of solar energy and being converted into heat energy, and then the air in warmed up air passage, makes Producing thermal current in air duct, thermal current hoists flowing along the integrally formed big air duct of photothermal deformation structure, Finally discharged from chimney, because whole air duct is in closed state, resulting negative pressure equivalent always will be delivered to logical The porch of wind vertical shaft, and then the pollution air in the underground space (tunnel) is suctioned out, so as to promote the air stream of the underground space It is logical;Light transmission protective layer can be protected to photo-thermal template, prevent photo-thermal diaphragm plate by the stone under being tumbled on hail or mountain Damage is pounded, heat-insulation layer can improve solar thermal utilization rate, improve the efficiency of air heats, reduce heat loss.
Further, the fin of photo-thermal diaphragm plate bottom forms encirclement air together with two side fixed plates and bottom and led to The thermometal annular solid in road, along with the fin of welding photo-thermal diaphragm plate bottom, by way of increase and air contact area The heat transfer of photo-thermal template is quickly accelerated into the rising of air themperature in air duct to the air in air duct.
Further, fixed board plays a part of fixed protective clear layer, photo-thermal template and heat-insulation layer;It is and fixed Riser can install the solar energy optical-thermal converting unit of adjacent both sides simultaneously, improve the utilization rate of vertical columns, reduce into This.
Further, the attachment structure that the both sides of heat-insulation layer are set, can be by two adjacent solar energy heat exchanges Unit removably connects, and makes photothermal deformation structure easy to assembly.
Further, maintenance channel facilitates maintenance personal and the solar energy optical-thermal converting unit to break down is tieed up Repair.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of solar energy optical-thermal converting unit in the present invention;
Fig. 3 is the structural representation of vertical columns in the present invention;
Fig. 4 is the structural representation of maintenance channel in the present invention.
In figure:1 is photothermal deformation structure;2 be connectivity structure;3 be chimney;4 be solar energy optical-thermal converting unit;5 be song Portion's connectedness;6 be communicating pipe;7 be air duct;8 be light transmission protective layer;9 be photo-thermal diaphragm plate;10 be fin;11 be fixation Riser;12 be the first neck;13 be the second neck;14 be heat-insulation layer;15 be the female mouth of connection;16 be the public mouth of connection;17 be maintenance Passage.
Embodiment
Technical scheme is further illustrated with specific embodiment below in conjunction with the accompanying drawings.
The invention provides a kind of solar energy heat exchanger, as shown in figure 1, including photothermal deformation structure 1, photothermal deformation One end of structure 1 passes through connectivity structure 2 and the outlet of the air duct of the underground space, the other end of photothermal deformation structure 1 Connected by connectivity structure 2 with overflow exit stack 3;Wherein connectivity structure 2 includes pars convoluta connectedness 5 and communicating pipe 6.Due to light Hot-cast socket structure 1 forms array structure by the solar energy optical-thermal converting unit 4 of multiple cuboid shapes, and its planar structure is rectangle shape Shape, and its length of side is much larger with respect to the diameter of overflow outlet 3 and the outlet diameter of the underground space, therefore connected by pars convoluta Part 5 realizes its sealed connection, and the passage that ventilates of pars convoluta connectedness 5 gradually zooms in or out, and makes air-flow steady, no Cataclysm can occur.
As shown in Fig. 2 solar energy optical-thermal converting unit 4 includes protective clear layer 8, protective clear layer 8 is safety glass;Thoroughly The bright lower section of protective layer 8 is provided with special photo-thermal diaphragm plate 9, and the lower section of photo-thermal template 9 is provided with heat-insulation layer 14, photo-thermal template 9 and guarantor It is air duct 7 between warm layer 14, the lower section of photo-thermal diaphragm plate 9 is connected with several fin 10, and fin 10 extends downwardly into sky The lower section of gas passage 7;Solar energy optical-thermal converting unit 4 also includes 4 vertical columns 11, and vertical columns 11 are arranged on solar energy At 4 straight ends of hot-cast socket unit 4, wherein vertical columns 11 are fixedly connected on heat-insulation layer 14, and on vertical columns 11 The first neck 12 for clamping protective clear layer 8 is provided with, the lower section of the first neck 12, which is provided with, clamps the second of photo-thermal template 9 Neck 13.
As shown in figure 3, vertical columns 11 are designed as two-sided mounting structure, i.e., the both sides of vertical columns 11 are provided with the simultaneously One neck 12 and the second neck 13, the centre of two neighboring solar energy optical-thermal converting unit 4 share a vertical columns 11.
As shown in figure 4, it is provided with maintenance channel 17, maintenance channel 17 between adjacent two row solar energy optical-thermal converting unit 4 Service worker is facilitated to maintain the solar energy optical-thermal converting unit 4 close to maintenance channel damage.
The specific embodiment of the present invention includes:
Embodiment 1
For the aeration structure in certain mountain bottom tunnel.A length of 7 kilometers of somewhere mountain bottom tunnel, the air shaft in tunnel is arranged on In the middle part of the tunnel, the half way up the mountain of the outlet of air shaft in the sunny side of the massif.Set at the ventilating opening along upward massif Photothermal deformation structure 1 is put, photothermal deformation structure 1 is that 8*8 solar energy optical-thermal converting unit 4 forms, and ventilating opening passes through company Logical structure 2 connects with air duct 7, and the clinoplain that concrete is bottom is made in the lower section of photothermal deformation structure 1, then will Photothermal deformation structure 1 is laid on concrete;In the bottom that the highest point of photothermal deformation structure 1 passes through connectivity structure 2 and chimney 3 Entrance connects.
The specification of wherein single solar energy optical-thermal converting unit 4 is 150*100cm2, solar energy optical-thermal converting unit 4 it is total Highly it is 28.5cm, the wherein thickness of heat-insulation layer 14 is 7.5cm, and the total height between air duct 7 and photo-thermal template 9 is 16cm, The thickness of light transmission protective layer 8 is 5cm safety glass, and apart from photo-thermal diaphragm plate 0.5cm.
Embodiment 2
For the aeration structure of the sheaf space of underground 2 in certain market, certain market B1 is supermarket and garage, two layers of underground For garage.The ventilating opening of the market underground space is arranged on the top layer in market building.Inclined photo-thermal is set outside the ventilating opening Transformational structure 1, photothermal deformation structure 1 is that 4*2 solar energy optical-thermal converting unit 4 forms, and ventilating opening passes through connectivity structure 2 Connected with air duct 7, and the lower section of photothermal deformation structure 1 is clinoplain, is then laid on photothermal deformation structure 1 mixed On solidifying soil;Connected in the highest point of photothermal deformation structure 1 by connectivity structure 2 with chimney 3.
The specification of wherein single solar energy optical-thermal converting unit 4 is 200*150cm2, solar energy optical-thermal converting unit 4 it is total Highly it is 24.5cm, the wherein thickness of heat-insulation layer 14 is 7cm, and the total height of air duct 7 between heat-insulation layer 14 and photo-thermal template 9 is 16.5cm, the thickness of light transmission protective layer 8 are 0.5cm safety glass and apart from photo-thermal diaphragm plate 0.5cm.

Claims (8)

  1. A kind of 1. solar energy heat exchanger, it is characterised in that the photothermal deformation knot connected including the ventilating opening with the underground space Structure (1), the solar energy optical-thermal converting unit (4) that photothermal deformation structure (1) is interconnected by several form, and solar energy optical-thermal turns It is cuboid shape to change unit (4), and rectangular array is arranged between solar energy optical-thermal converting unit (4);
    The solar energy optical-thermal converting unit (4) includes the air duct (7) at middle part, and photo-thermal is provided with above air duct (7) Diaphragm plate (9), photo-thermal diaphragm plate (9) top are provided with light transmission protective layer (8);Heat-insulation layer (14) is provided with below air duct (7);
    The entrance of the air duct (7) connects with the draft outlet of the underground space, outlet and the chimney (3) of air duct (7) Entrance connection.
  2. 2. solar energy heat exchanger according to claim 1, it is characterised in that the photo-thermal diaphragm plate (9) extends downwardly from There is the fin (10) of several metal materials, fin (10) is extended downwardly into air duct (7).
  3. 3. according to the solar energy heat exchanger described in any one of claim 1 or 2, it is characterised in that the solar energy Heat exchange unit (4) is provided with several fixed boards (11), and installation protective clear layer (8) is provided with fixed board (11) First neck (12), the first neck (12) lower section are provided with the second neck (13) of installation photo-thermal template (9).
  4. 4. solar energy heat exchanger according to claim 3, it is characterised in that fixed board (11) lower end is fixed It is connected on heat-insulation layer (14).
  5. 5. solar energy heat exchanger according to claim 1, it is characterised in that the both sides of the fixed board (11) are equal It is provided with the first neck (12) and the second neck (13).
  6. 6. solar energy heat exchanger according to claim 3, it is characterised in that relative two of the heat-insulation layer (14) Interconnection structure is provided with side.
  7. 7. solar energy heat exchanger according to claim 6 a, it is characterised in that side of the heat-insulation layer (14) On be provided with the female mouth (15) of connection, the company matched with being connected female mouth (15) is provided with another relative side of heat-insulation layer (14) Connect public mouth (16).
  8. 8. solar energy heat exchanger according to claim 1, it is characterised in that described by several photothermal deformation units Maintenance channel is provided between the adjacent two row air duct composed in series.
CN201710592213.1A 2017-07-19 2017-07-19 A kind of solar energy heat exchanger Pending CN107421132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710592213.1A CN107421132A (en) 2017-07-19 2017-07-19 A kind of solar energy heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710592213.1A CN107421132A (en) 2017-07-19 2017-07-19 A kind of solar energy heat exchanger

Publications (1)

Publication Number Publication Date
CN107421132A true CN107421132A (en) 2017-12-01

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CN201710592213.1A Pending CN107421132A (en) 2017-07-19 2017-07-19 A kind of solar energy heat exchanger

Country Status (1)

Country Link
CN (1) CN107421132A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0921300A (en) * 1995-07-05 1997-01-21 Fujita Corp Tunnel exhaust system using solar battery-integrated noise insulating panel
CN101846404A (en) * 2010-05-27 2010-09-29 北京工业大学 Porous material solar energy air heat-collecting device
CN203257447U (en) * 2013-04-27 2013-10-30 张东省 Solar heat flow tunnel ventilation system
CN203702220U (en) * 2013-12-06 2014-07-09 张东省 Tunnel ventilation device adopting solar energy for heating and driven by solar energy
CN105156144A (en) * 2015-09-08 2015-12-16 陕西科技大学 Complementary tunnel natural ventilation system with solar air pump and method
CN206000560U (en) * 2016-09-06 2017-03-08 张东省 The Unpowered ventilation system of long highway tunnel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0921300A (en) * 1995-07-05 1997-01-21 Fujita Corp Tunnel exhaust system using solar battery-integrated noise insulating panel
CN101846404A (en) * 2010-05-27 2010-09-29 北京工业大学 Porous material solar energy air heat-collecting device
CN203257447U (en) * 2013-04-27 2013-10-30 张东省 Solar heat flow tunnel ventilation system
CN203702220U (en) * 2013-12-06 2014-07-09 张东省 Tunnel ventilation device adopting solar energy for heating and driven by solar energy
CN105156144A (en) * 2015-09-08 2015-12-16 陕西科技大学 Complementary tunnel natural ventilation system with solar air pump and method
CN206000560U (en) * 2016-09-06 2017-03-08 张东省 The Unpowered ventilation system of long highway tunnel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘艳华: "《暖通空调节能技术》", 31 May 2015 *

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