CN110131822A - A kind of roof heat-exchange system suitable for existing building flat roof deck - Google Patents
A kind of roof heat-exchange system suitable for existing building flat roof deck Download PDFInfo
- Publication number
- CN110131822A CN110131822A CN201910433790.5A CN201910433790A CN110131822A CN 110131822 A CN110131822 A CN 110131822A CN 201910433790 A CN201910433790 A CN 201910433790A CN 110131822 A CN110131822 A CN 110131822A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- heat
- roof
- exchanger tube
- temperature
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 23
- 229920004933 Terylene® Polymers 0.000 claims description 8
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 8
- 239000002344 surface layer Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 5
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/60—Solar heat collectors integrated in fixed constructions, e.g. in buildings
- F24S20/67—Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of roof constructions
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/272—Solar heating or cooling
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of roof heat-exchange systems suitable for existing building flat roof deck, including the heat exchanger being arranged on flat roof deck concrete roof structure layer；Heat exchanger includes heat exchanger tube, and heat exchanger tube water inlet one end is provided with cooling device, and cooling device includes the solenoid valve for connecting temperature controller；Water installations are used in the connection of heat exchanger tube water outlet；Cooling device further includes being connected on heat exchanger tube, passes through the spray equipment of its opening and closing of solenoid valve control；Temperature between temperature controller heat collecting exchanger and roof contact surface opens battery valve when temperature is more than given threshold, closes solenoid valve when temperature is lower than given threshold；The effective collection and utilization that the present invention passes through roof solar radiation heat；System apparatus arrangements are simple, at low cost.
Description
Technical field
The present invention relates to temperature reduction device for roof, and in particular to a kind of roof heat exchange system suitable for existing building flat roof deck
System.
Background technique
Summer high temperature period roof hardcoat persistently conducts heat after largely absorbing heat into top layer room, cause thermal comfort it is poor,
The problems such as air conditioner refrigerating load is higher (is crossed and measures heat)；And it heats domestic water and needs to consume electric energy or combustion gas, and heating
Generate additional heat (energy consumption and waste heat) in the process；Significant heat dislocation contradiction is generated between the two.
Flat roof deck architectural top is important solar radiation heat collection surface, and in China, Xia Redong is cold, hot summer and warm winter zone, mild
Equal low latitudes performance is especially prominent.Since construction needs, the flat roof deck surface layer in addition to roof garden is all smearing of easily absorbing heat
Ash or ceramic tile surface layer.High noon summer has a large amount of heat and penetrates screed-coat, insulating layer, structure sheaf downwards by surface layer and enter room
It is interior；Especially for the existing building of setting roofing insulation, this phenomenon is more significant.From the point of view of actual measurement, roof skin temperature
It is even higher that 65 DEG C can be reached at fine day high noon, though indoor canopy surface is reached by repeatedly decaying in downward conductive process
It is still 3~6 DEG C higher than non-top layer roofing afterwards, it is the principal element for causing top layer resident thermal comfort difference.
In the existing technology using roof heat, it is mostly placed in the packaged type heat-exchanger rig on roof, it will by heat exchange
The radiant heat being collected into is for heating heat exchange liquid in pipe.Heat-exchanger rig mostly uses two sets of separate type pipelines, circulation in heat exchanger tube
Medium is water or dedicated liquid, drives medium circulation with thermal cycle or additional water pump.But this device heat exchange equipment area has
Limit, cannot form effective masking to roofing, can not stop solar radiation heat by exposing downwards while collecting heat
Transmitting.Roof heat exchange equipment multi-pass crosses bracket and is fixed on ground, has certain influence to accessible roof space utilization.Flush system heat exchange
The unbearable accessible roof live load of device, influences original using function, and construction cost is higher, and ease for maintenance is poor.
Summary of the invention
The present invention provides the roof heat-exchange system that a kind of pair of flat roof deck roof heat collection utilizes.
The technical solution adopted by the present invention is that: a kind of roof heat-exchange system suitable for existing building flat roof deck, including set
Set the heat exchanger on flat roof deck concrete roof structure layer；Heat exchanger includes heat exchanger tube, and heat exchanger tube water inlet one end is provided with
Cooling device, cooling device include the solenoid valve for connecting temperature controller；Water installations are used in the connection of heat exchanger tube water outlet；Cooling device
Further include being connected on heat exchanger tube, passes through the spray equipment of its opening and closing of solenoid valve control；Temperature controller heat collecting exchanger and room
Temperature between top contact level opens battery valve when temperature is more than given threshold, and electricity is closed when temperature is lower than given threshold
Magnet valve.
Further, the heat exchanger tube reentrant type is arranged, and is provided with lightweight splits between adjacent heat exchange tubes.
Further, the heat exchanger tube is made of PPR, and insulating layer is provided with outside heat exchanger tube.
Further, it is disposed with sloping layer, mortar surface layer, aluminium foil from top to bottom on the concrete roof structure layer
Foam pad and terylene blanket.
Further, the cooling device includes two, is arranged in heat exchanger two sides.
Further, the sprinkling direction of the spray equipment is towards heat exchanger side.
The beneficial effects of the present invention are:
(1) present invention can make full use of the heat on flat roof deck roof, and can be realized automatic cooling, improve the comfortable of top layer
Degree；
(2) the configuration of the present invention is simple, difficulty of construction are small, change without change suitable for existing building using original roof structure
It makes；
(3) present invention is at low cost, and whole work process drives without additional power, and use cost is low, and maintenance is small.
Detailed description of the invention
Fig. 1 is structure of the invention arrangement schematic diagram.
Fig. 2 is the A-A the schematic diagram of the section structure in Fig. 1 of the present invention.
In figure, 1- heat exchanger tube, 2- solenoid valve, 3- temperature controller, 4- spray equipment, 5- concrete roof structure layer, 6-
Lightweight splits, 7- temp probe.
Specific embodiment
Below by the drawings and specific embodiments, the present invention will be further described.
As depicted in figs. 1 and 2, a kind of roof heat-exchange system suitable for existing building flat roof deck, including be arranged in flat room
Heat exchanger on surface concrete roof construction layer 5；Heat exchanger includes heat exchanger tube 1, and 1 water inlet one end of heat exchanger tube is provided with cooling dress
It sets, cooling device includes the solenoid valve 2 for connecting temperature controller 3；Water installations are used in the connection of 1 water outlet of heat exchanger tube；Cooling device is also
Including being connected on heat exchanger tube 1, the spray equipment 4 of its opening and closing is controlled by solenoid valve 2；Temperature controller 3 passes through temp probe 7
Temperature between heat collecting exchanger and roof contact surface, the opens solenoid valve 2 when temperature is more than given threshold are set when temperature is lower than
Determine to close solenoid valve 2 when threshold value.
1 reentrant type of heat exchanger tube is arranged, and is provided with lightweight splits 6 between adjacent heat exchange tubes 1.Heat exchanger tube 1 is in reentrant type
It is connected in series, structure as shown in Figure 1；The heat exchanger tube 1 is made of PPR, and insulating layer is provided with outside heat exchanger tube 1, and (insulating layer uses
Terylene blanket preparation)；1 2.0~2.5cm of outer diameter of heat exchanger tube, spacing are 10cm(axis spacing)；It is settable green or blue outside heat exchanger tube 1
Or black terylene blanket, the lightweight splits 6 of thickness 3.0, long 10cm is arranged in solid matter between heat exchanger tube 1；Aerating coagulation can also be used
Native or porous volcanic rock etc., the terylene blanket covered on pressed concrete heat exchanger tube 1, and the gap between heat exchanger tube 1 is filled,
It is set to form more smooth plane with 1 upper surface of heat exchanger tube convenient for personnel's walking.On concrete roof structure layer 5 from top to bottom
It is disposed with sloping layer, mortar surface layer, aluminium foil foam pad and terylene blanket.
The laying range of heat exchanger tube 1 depends on the range of roof burnishing surface, generally using parapet side charge for remittance ditch as boundary, root
Range and stringing scheme are laid with according to burnishing surface Adjusting Shape.One is respectively arranged at charge for remittance ditch and is placed in ground for 1 two sides of heat exchanger tube
The spray equipment 4 in face.4 water source of spray equipment is provided by top layer resident, is opened and closed the solenoid valve 2 connected by temperature controller 3 and is controlled
System.The temp probe 7 of temperature controller 3 is placed under the terylene blanket on heat exchanger tube 1.When measuring point temperature is higher than temperature controller 3
Start threshold value, solenoid valve 2 is opened, and spray equipment 4 starts to cool down to roof waterproof grade.When measuring point temperature drops to temperature controller 3
Closure threshold value, solenoid valve 2 close, stop water spray.
Temperature controller 3 is used to monitor the temperature between heat exchanger tube 1 and roof contact surface, by being embedded on heat exchanger tube 1
Temperature probe under terylene blanket obtains.When measuring point temperature is higher, illustrate that the less heat exchange of amount of hot water is insufficient, to reduce top layer room
Interior temperature needs to open the cooling roofing temperature of auxiliary spraying device 4.Excitation solenoid valve 2 is opened after temperature controller 3 is opened, spray
The starting spray of shower device 4, until temperature is closed after being reduced to preset range.
Spray equipment 4 is installed on the ground of 1 two sides of heat exchanger tube, and sprinkling direction can be adjusted to 1 side of heat exchanger tube by clear height 11cm,
Cooling efficiency is sprayed to improve.Water is provided and is picked out by top layer resident in heat exchanger tube 1.It is divided into two-way after water inlet to roof, one
Road is water in heat exchanger tube 1, and another way connects the solenoid valve 2 of 4 front end of spray equipment, for providing spray-water.Water in heat exchanger tube 1
After heat absorption, water outlet is downwardly into top layer user's hot-water line.
Upper water, drainage pipeline can be connected by top exterior wall and around after daughter's wall top with heat exchanger tube 1 and spray equipment 4,
It can also be accessed from parapet discharge outlet.
Lead to heat transfer between 1 inside flowing cool water of heat exchanger tube and outside roofing and surface layer hot-air to exchange heat, to pass
Based on leading, supplemented by convection current and radiation.The water that spray equipment 4 sprays to the spraying cooling of roofing based on evaporation endothermic, drop by conduction
Supplemented by temperature.
Temperature controller 3 can be used cell phone application remotely control or temperature humidity two-way control or clock controller control, mention
The adaptability that height adjusts weather and temperature.Other materials also may be selected in heat exchanger tube 1, and such as exchange heat preferable iron pipe or bellows,
But it is poor with roofing adaptability and corrosion resistance, cost is higher.
The present invention installs at low cost, the simple device of structure additional by the effective collection and utilization of roof solar radiation heat,
Section can assist spraying cooling at high temperature, using the lower structure of weight and material, realize in the case where additional load very little
Effective barrier of roof solar radiation heat provides temperature water water domestic hot-water appropriate, is effectively improved roofing downward landscape.
Claims (6)
1. a kind of roof heat-exchange system suitable for existing building flat roof deck, which is characterized in that including being arranged in flat roof deck coagulation
Heat exchanger on native roof construction layer (5)；Heat exchanger includes heat exchanger tube (1), and heat exchanger tube (1) water inlet one end is provided with cooling dress
It sets, cooling device includes the solenoid valve (2) of connection temperature controller (3)；Water installations are used in the connection of heat exchanger tube (1) water outlet；Cooling
Device further includes being connected on heat exchanger tube (1), and the spray equipment (4) of its opening and closing is controlled by solenoid valve (2)；Temperature controller
(3) by the temperature between temp probe (7) heat collecting exchanger and roof contact surface, electricity is opened when temperature is more than given threshold
Magnet valve (2) closes solenoid valve (2) when temperature is lower than given threshold.
2. a kind of roof heat-exchange system suitable for existing building flat roof deck according to claim 1, which is characterized in that institute
The setting of heat exchanger tube (1) reentrant type is stated, is provided with lightweight splits (6) between adjacent heat exchange tubes (1).
3. a kind of roof heat-exchange system suitable for existing building flat roof deck according to claim 1, which is characterized in that institute
It states heat exchanger tube (1) to be made of PPR, insulating layer is provided with outside heat exchanger tube (1).
4. a kind of roof heat-exchange system suitable for existing building flat roof deck according to claim 1, which is characterized in that institute
It states and is disposed with sloping layer, mortar surface layer, aluminium foil foam pad and terylene blanket on concrete roof structure layer (5) from top to bottom.
5. a kind of roof heat-exchange system suitable for existing building flat roof deck according to claim 1, which is characterized in that institute
Stating cooling device includes two, is arranged in heat exchanger two sides.
6. a kind of roof heat-exchange system suitable for existing building flat roof deck according to claim 1, which is characterized in that institute
The sprinkling direction of spray equipment (3) is stated towards heat exchanger side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910433790.5A CN110131822A (en) | 2019-05-23 | 2019-05-23 | A kind of roof heat-exchange system suitable for existing building flat roof deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910433790.5A CN110131822A (en) | 2019-05-23 | 2019-05-23 | A kind of roof heat-exchange system suitable for existing building flat roof deck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110131822A true CN110131822A (en) | 2019-08-16 |
Family
ID=67572806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910433790.5A Pending CN110131822A (en) | 2019-05-23 | 2019-05-23 | A kind of roof heat-exchange system suitable for existing building flat roof deck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131822A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896437A (en) * | 2006-06-27 | 2007-01-17 | 武汉理工大学 | Solar heat-storage system for heat-conducting asphalt concrete roof |
| KR20080092618A (en) * | 2007-04-12 | 2008-10-16 | 전석민 | Roof water piping |
| CN103411319A (en) * | 2013-08-05 | 2013-11-27 | 黄锦熙 | Integration method for split type flat solar water heater and building |
| KR20140087085A (en) * | 2012-12-25 | 2014-07-09 | 재단법인 포항산업과학연구원 | Building roof structure with solar collecting apparatus |
| CN205040387U (en) * | 2015-10-14 | 2016-02-24 | 嘉兴职业技术学院 | Birds pen house temperature control system |
| CN205481480U (en) * | 2016-01-15 | 2016-08-17 | 马晓天 | Heat absorption formula energy saving building thing |
| CN205481505U (en) * | 2016-04-08 | 2016-08-17 | 重庆工程职业技术学院 | Building roof heat sink |
| CN205491914U (en) * | 2016-02-22 | 2016-08-24 | 张铭洁 | Solar hot -air soil heating vegetable greenhouse |
| CN108442619A (en) * | 2018-05-12 | 2018-08-24 | 天津城建大学 | Automatically cleaning photo-thermal integrated photovoltaic insulated ventilation light-permeable glass roof |
| CN208671237U (en) * | 2018-07-24 | 2019-03-29 | 北京紫玉山庄房地产开发有限公司 | Building roof water circulation cooling system |
| CN210165498U (en) * | 2019-05-23 | 2020-03-20 | 西南交通大学 | Roof heat exchange system suitable for existing building flat roof |
-
2019
- 2019-05-23 CN CN201910433790.5A patent/CN110131822A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896437A (en) * | 2006-06-27 | 2007-01-17 | 武汉理工大学 | Solar heat-storage system for heat-conducting asphalt concrete roof |
| KR20080092618A (en) * | 2007-04-12 | 2008-10-16 | 전석민 | Roof water piping |
| KR20140087085A (en) * | 2012-12-25 | 2014-07-09 | 재단법인 포항산업과학연구원 | Building roof structure with solar collecting apparatus |
| CN103411319A (en) * | 2013-08-05 | 2013-11-27 | 黄锦熙 | Integration method for split type flat solar water heater and building |
| CN205040387U (en) * | 2015-10-14 | 2016-02-24 | 嘉兴职业技术学院 | Birds pen house temperature control system |
| CN205481480U (en) * | 2016-01-15 | 2016-08-17 | 马晓天 | Heat absorption formula energy saving building thing |
| CN205491914U (en) * | 2016-02-22 | 2016-08-24 | 张铭洁 | Solar hot -air soil heating vegetable greenhouse |
| CN205481505U (en) * | 2016-04-08 | 2016-08-17 | 重庆工程职业技术学院 | Building roof heat sink |
| CN108442619A (en) * | 2018-05-12 | 2018-08-24 | 天津城建大学 | Automatically cleaning photo-thermal integrated photovoltaic insulated ventilation light-permeable glass roof |
| CN208671237U (en) * | 2018-07-24 | 2019-03-29 | 北京紫玉山庄房地产开发有限公司 | Building roof water circulation cooling system |
| CN210165498U (en) * | 2019-05-23 | 2020-03-20 | 西南交通大学 | Roof heat exchange system suitable for existing building flat roof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190816 |