CN111456300A - Heat-preservation ventilating device for glass curtain wall - Google Patents
Heat-preservation ventilating device for glass curtain wall Download PDFInfo
- Publication number
- CN111456300A CN111456300A CN202010297880.9A CN202010297880A CN111456300A CN 111456300 A CN111456300 A CN 111456300A CN 202010297880 A CN202010297880 A CN 202010297880A CN 111456300 A CN111456300 A CN 111456300A
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- China
- Prior art keywords
- glass
- box
- double
- glass box
- curtain wall
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0227—Ducting arrangements using parts of the building, e.g. air ducts inside the floor, walls or ceiling of a building
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/10—Heat storage materials, e.g. phase change materials or static water enclosed in a space
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/17—Details or features not otherwise provided for mounted in a wall
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Structural Engineering (AREA)
- Joining Of Glass To Other Materials (AREA)
- Building Environments (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
The utility model provides a heat preservation ventilation unit for glass curtain wall, relate to curtain technical field, it includes glass one and glass two, glass one and glass two are connected through the sealing strip all around, set up intermediate layer wind gap and pipeline air intake on the glass one, glass one is gone up and is connected with glass box one, the nested pipeline air intake of glass box one side, set up the pipeline air outlet on the glass two, glass two is gone up and is connected with glass box two, the nested pipeline air outlet of two sides of glass box, glass two go up the binding plastic connecting frame, fixed connection double plastic tubing on the plastic connecting frame, double plastic tubing one end and glass box one-phase, the double plastic tubing other end communicates with glass box two, fill phase change material between the two-layer plastic tubing pipe wall of double plastic tubing, double plastic tubing inside cavity is air passage. This a heat preservation ventilation unit for glass curtain wall does benefit to the construction of indoor thermal environment, reduces the energy loss, gives the interior space ventilation needs simultaneously, full play passive form energy-conserving advantage.
Description
The technical field is as follows:
the invention relates to the technical field of curtain walls, in particular to a heat-insulating and ventilating device for a glass curtain wall.
Background art:
in the field of building energy conservation at present, a passive energy-saving mode is generally accepted and advocated by the building industry. The sunlight-attached passive energy-saving technology of rural residences in severe cold areas is widely used, but the glass curtain wall area of the sunlight-attached room is large, and the heat preservation and heat insulation effects are poor. The glass is easy to have condensation phenomenon in the additional sunlight room, influences the heat conductivity of the glass and causes latent heat loss. The day and night temperature difference between the traditional sunshine rooms is large, the temperature fluctuation of the inner space is large due to unstable solar radiation, the quality and the circulation rate of air are greatly influenced by the external climate environment, and therefore the additional sunshine rooms are urgently needed to be further improved to improve the comfort of the indoor environment.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provide a heat-insulating and ventilating device for a glass curtain wall, which can solve the problems in the background.
The technical scheme adopted by the invention is as follows: a heat preservation and ventilation device for a glass curtain wall comprises a first glass and a second glass, wherein the first glass and the second glass are overlapped and are provided with an interlayer in the middle, the peripheries of the first glass and the second glass are connected through sealing strips, four corners of the first glass and the two glass are connected through connecting pieces, a first interlayer air port and a pipeline air inlet are formed in the first glass, the first glass is connected with a first glass box through the connecting pieces, the first glass box is positioned in the interlayer, one side surface of the first glass box is embedded in the pipeline air inlet, one side surface of the second glass box is embedded in the pipeline air outlet, the second glass box is connected with a second glass box through the connecting pieces, the second glass box is positioned in the interlayer, a second plastic connecting frame is fixedly connected with a double-layer plastic pipe, one end of the double-layer plastic pipe is communicated with the glass box, the other end of the double-layer, phase change materials are filled between the pipe walls of the two layers of the double-layer plastic pipes, and the inner cavities of the double-layer plastic pipes are air channels.
The interlayer air port and the pipeline air inlet are both nested with filter screens, and the filter screens are 500-mesh polyester mesh belts.
A fastener is installed on the upper side of the glass box, and a shaft position screw is arranged on the fastener.
The air outlet of the pipeline is provided with movable shutters which are made of wood.
The joint of the double-layer plastic pipe and the first glass box and the joint of the double-layer plastic pipe and the second glass box are sealed through sealing glue.
The size of the first glass box is 40mm × 15mm × 50mm, and the size of the second glass box is 40mm × 15mm × 50 mm.
The double-layer plastic pipe adopts a coil pipe structure, the double-layer plastic pipe adopts a U-shaped double-layer plastic pipe with the diameter of 20mm, and the thickness of an interlayer between the pipe walls of the two layers of plastic pipes is 4 mm.
The sealing strip adopts an ethylene propylene diene monomer adhesive tape.
The joint of the first glass box and the first glass box, the joint of the second glass box and the second glass box, and the joints of the connecting piece and the first glass box, the second glass box, the first glass box and the second glass box are sealed through sealing glue.
The invention has the beneficial effects that: the passive energy-saving mode is adopted, the purposes of heat preservation and ventilation are achieved by means of solar energy and heat energy, the solar energy is fully utilized, and solar radiation heat is stored in the phase change material of the interlayer of the double-layer plastic pipe in the daytime; the fresh air enters the room through the phase-change material in the evening, and the phase-change material has a temperature regulating effect on the fresh air as the outdoor fresh air enters the room from the pipeline, so that the balance of the whole thermal environment of the rural residence is maintained, and a comfortable indoor thermal environment is provided for the residences; the internal components of the glass in the additional sunlight room are convenient to maintain and replace, the filter screen and the shutter are installed in a nesting mode, and the double-layer plastic pipe is fixed on the glass interlayer in a clamping mode and is easy to disassemble and clean.
Description of the drawings:
FIG. 1 is a schematic view of a glass structure according to the present invention;
FIG. 2 is a schematic structural view of a second glass of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a cross-sectional view of a two-layer plastic tube of the present invention;
FIG. 5 is a vertical view of the glass of the present invention;
FIG. 6 is a diagram showing the effect of the second vertical surface of the glass of the present invention.
The specific implementation mode is as follows:
referring to the figures, the heat-insulation ventilation device for the glass curtain wall comprises a first glass box 1 and a second glass box 2, wherein the first glass box 1 and the second glass box 2 are overlapped and have an interlayer in the middle, the peripheries of the first glass box 1 and the second glass box 2 are connected through a sealing strip 6, four corners of the first glass box 1 and the second glass box 2 are connected through a connecting piece 7, a laminated air port 101 and a pipeline air inlet 102 are formed in the first glass box 1, the first glass box 1 is connected with the first glass box 3 through the connecting piece 7, the first glass box 3 is located in the interlayer, one side face of the first glass box 3 is nested with the pipeline air inlet 102, a pipeline air outlet 103 is formed in the second glass box 2, the second glass box 2 is connected with the second glass box 4 through the connecting piece 7, the second glass box 4 is located in the interlayer, a pipeline air outlet 103 is nested in one side face of the second glass box 4, a plastic connecting frame 10 is glued on the second glass box 2, the plastic connecting frame 10 is fixedly connected with a double-layer plastic pipe 11, one end of the double-layer plastic pipe 11 is communicated with the first glass box 3, the other end of the double-layer plastic pipe 11, the double-layer plastic pipe 11 is communicated with the double-layer plastic pipe 11, the other end of the double-layer plastic pipe 11 is connected with the double-layer plastic pipe 11 through a plastic pipe 11, a louver box through a plastic pipe, a louver box, the double-layer plastic pipe is connected with the double-layer plastic pipe, the double-layer glass box, the double-layer plastic pipe, the double-layer glass box is connected with the double-layer glass box through a louver-layer glass box, the double-layer plastic pipe, the double-layer glass box is connected with the double-layer plastic pipe, the double-layer glass box is connected with the double-layer glass box.
The periphery of a first glass 1 on the outer side of the glass curtain wall is sealed by a sealing strip 6 for reducing cold air permeation, the sealing strip 6 adopts an Ethylene Propylene Diene Monomer (EPDM) adhesive tape, a connecting piece 7 is arranged on the periphery of the first glass 1 and connected with a second glass 2 for strengthening the fixing effect on the second glass 2, the connecting piece 7 adopts a 5mm hollow stainless steel connecting piece, an interlayer air port is arranged on the left lower side of the first glass 1 for regulating the air pressure of a glass interlayer and replacing air, a filter screen 12 is nested in the interlayer air port 101 and a pipeline air inlet 102, the filter screen 12 is nested in the left upper side of the first glass 1, the connecting piece 7 is arranged on the periphery of the filter screen 12 and connected with a first glass box 3, the filter screen adopts a 500-mesh polyester mesh belt for preventing dust, wind and snow and winged insects from entering the inside of the assembly, an axial screw 8 and a fastener 9 are arranged on, double-deck plastic tubing 11 adopts diameter 20mm, and the double-deck plastic tubing of stereoplasm heat conduction of intermediate layer 4mm to U type coil pipe's mode absorbs solar energy, and the coil pipe takes 180 crookedness, does benefit to the coil pipe and arranges the even flow with the air, and double-deck plastic tubing 11 hangs in the intermediate layer, prevents the influence of both sides glass to the pipe wall.
Referring to fig. 2, the periphery of a second glass 2 on the outer side of the glass curtain wall is sealed by a sealing strip 6, the periphery of the second glass 2 is provided with a connecting piece 7 to be connected with the first glass 1, the left lower side of the second glass 2 is provided with a movable louver 5, the movable louver 5 is made of wood, and the movable louver 5 is nested in the second glass 2 in order to control the speed and the flow of indoor air, the periphery of a second glass box 4 is fixedly provided with the connecting piece 7, a plastic connecting frame 10 is glued on the second glass 2, and a double-layer plastic pipe 11 is fixed in a clamping mode.
Referring to fig. 3, the periphery of a first glass 1 on the outer side of the glass curtain wall is sealed by a sealing strip 6, the periphery of the first glass 1 is provided with a connecting piece 7 to be connected with a second glass 2, a first glass box 3 and a second glass box 4 are provided with a connecting piece 7 to be fixed to be respectively connected with the first glass 1 and the second glass 2, the first glass box 3 is fixed by additionally arranging a shaft position screw 8 and a fastener 9 on the suspended upper side, a plastic connecting frame 10 is glued on the second glass 2, a double-layer plastic pipe 11 is fixed in a clamping mode, two ends of the double-layer plastic pipe 11 respectively extend into the first glass box 3 and the second glass box 4, the first double-layer plastic pipe and the first glass box 3 are sealed by sealing glue, and the crossed.
Referring to fig. 4, a hard heat-conducting double-layer plastic pipe with the diameter of 20mm and the interlayer of 4mm is adopted as the double-layer plastic pipe 11, a phase-change material (paraffin) 15 is placed between the pipe walls 13 of the double-layer plastic pipe, the heat-conducting and heat-conducting properties of the double-layer plastic pipe are improved by adding materials such as graphite, and the inner cavity of the double-layer plastic pipe is an air channel 14.
Referring to fig. 5, the module divides outdoor air into two parts, one part enters the glass interlayer through the interlayer air opening 101, the air pressure between the glass interlayer and the outside is balanced while new air is replaced, the other part flows through the double-layer plastic pipe 11 through the glass box I3, the air enters the glass box II 4 after the temperature of the air is adjusted through the double-layer plastic pipe 11, and finally the air enters the indoor after the temperature of the air is adjusted through the movable shutter 5.
Referring to fig. 6, the glass curtain wall has simple appearance and internal structure, adopts connection modes such as clamping, gluing, nesting and the like to facilitate maintenance, construction and installation, has low price, and is suitable for heat preservation, ventilation and energy conservation of window glass in additional sunshine rooms in severe cold regions.
In summary, the heat preservation and ventilation device for the glass curtain wall adopts a passive energy-saving mode, achieves the purposes of heat preservation and ventilation by means of solar energy and heat energy, realizes the full utilization of the solar energy, and stores solar radiation heat in the phase change material of the interlayer of the double-layer plastic pipe in the daytime; the fresh air enters the room through the phase-change material in the evening, and the phase-change material has a temperature regulating effect on the fresh air as the outdoor fresh air enters the room from the pipeline, so that the balance of the whole thermal environment of the rural residence is maintained, and a comfortable indoor thermal environment is provided for the residences; the internal components of the glass in the additional sunlight room are convenient to maintain and replace, the filter screen and the shutter are installed in a nesting mode, and the double-layer plastic pipe is fixed on the glass interlayer in a clamping mode and is easy to disassemble and clean.
Claims (9)
1. The utility model provides a heat preservation ventilation unit for glass curtain wall which characterized in that: the glass comprises a first glass (1) and a second glass (2), wherein the first glass (1) and the second glass (2) are overlapped and an interlayer is left in the middle, the first glass (1) and the second glass (2) are connected through sealing strips (6) at the periphery, four corners of the first glass (1) and the second glass (2) are connected through connecting pieces (7), an interlayer air port (101) and a pipeline air inlet (102) are formed in the first glass (1), the first glass (1) is connected with a first glass box (3) through the connecting pieces (7), the first glass box (3) is positioned in the interlayer, a pipeline air inlet (102) is embedded in one side surface of the first glass box (3), a pipeline air outlet (103) is formed in the second glass (2), the second glass (2) is connected with the second glass box (4) through the connecting pieces (7), the second glass box (4) is positioned in the interlayer, and a pipeline air outlet (103) is embedded in one side, a plastic connecting frame (10) is glued on the second glass (2), the plastic connecting frame (10) is located in the interlayer, a double-layer plastic pipe (11) is fixedly connected to the plastic connecting frame (10), one end of the double-layer plastic pipe (11) is communicated with the first glass box (3), the other end of the double-layer plastic pipe (11) is communicated with the second glass box (4), a phase change material (15) is filled between two layers of plastic pipe walls (13) of the double-layer plastic pipe (11), and an internal cavity of the double-layer plastic pipe (11) is an air channel (14).
2. The heat-insulating and ventilating device for the glass curtain wall as claimed in claim 1, wherein: the interlayer air port (101) and the pipeline air inlet (102) are both nested with a filter screen (12), and the filter screen (12) adopts a 500-mesh polyester mesh belt.
3. The heat-insulating and ventilating device for the glass curtain wall as claimed in claim 1, wherein: and a fastener (9) is arranged on the upper side of the first glass box (3), and a shaft position screw (8) is arranged on the fastener (9).
4. The heat-insulating and ventilating device for the glass curtain wall as claimed in claim 1, wherein: the pipeline air outlet (103) is provided with a movable shutter (5), and the movable shutter (5) is a wooden movable shutter.
5. The heat-insulating and ventilating device for the glass curtain wall as claimed in claim 1, wherein: the joint of the double-layer plastic pipe (11) and the first glass box (3) and the second glass box (4) is sealed through sealant.
6. The heat-insulating ventilation device for the glass curtain wall as claimed in claim 1, wherein the size of the first glass box (3) is 40mm × 15mm × 50mm, and the size of the second glass box (4) is 40mm × 15mm × 50 mm.
7. The heat-insulating and ventilating device for the glass curtain wall as claimed in claim 4, wherein: double-deck plastic tubing (11) adopt the coil pipe structure, double-deck plastic tubing (11) adopt the double-deck plastic tubing of diameter 20 mm's U type, two-layer plastic tubing pipe wall (13) between the intermediate layer thickness be 4 mm.
8. The heat-insulating and ventilating device for the glass curtain wall as claimed in claim 1, wherein: the sealing strip (6) adopts an ethylene propylene diene monomer adhesive tape.
9. The heat-insulating and ventilating device for the glass curtain wall as claimed in claim 1, wherein: the joint of the first glass box (3) and the first glass box (1), the joint of the second glass box (4) and the second glass box (2), and the joints of the connecting piece (7) and the first glass box (1), the second glass box (2), the first glass box (3) and the second glass box (4) are sealed through sealing glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010297880.9A CN111456300A (en) | 2020-04-16 | 2020-04-16 | Heat-preservation ventilating device for glass curtain wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010297880.9A CN111456300A (en) | 2020-04-16 | 2020-04-16 | Heat-preservation ventilating device for glass curtain wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111456300A true CN111456300A (en) | 2020-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010297880.9A Pending CN111456300A (en) | 2020-04-16 | 2020-04-16 | Heat-preservation ventilating device for glass curtain wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111456300A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550737A (en) * | 2009-04-28 | 2009-10-07 | 同济大学 | Curtain wall glass structure having functions of solar power generation/phase change heat preservation |
| WO2009147558A1 (en) * | 2008-06-02 | 2009-12-10 | Csiha Andras | Regenerative decentralized alternating ventilation installation mit using hollow bricks of an outer wall |
| CN101949529A (en) * | 2010-09-27 | 2011-01-19 | 绍兴文理学院 | Disc-type solar power generation natural circulation receiver |
| CN203671809U (en) * | 2013-11-25 | 2014-06-25 | 上海竞胜国际贸易有限公司 | Temperature adjusting device |
| CN104652649A (en) * | 2014-12-26 | 2015-05-27 | 上海海事大学 | Solar radiation self-regulation porous phase-change and heat-accumulation combined wall |
| CN205475821U (en) * | 2016-01-14 | 2016-08-17 | 哈尔滨理工大学 | Multi -functional glass wall |
| CN107299706A (en) * | 2017-07-18 | 2017-10-27 | 北京仲基应用技术研究院有限公司 | A kind of making of solar airconditioning glass curtain wall system and installation method |
| CN108224619A (en) * | 2016-12-15 | 2018-06-29 | 中建五局装饰幕墙有限公司 | A kind of cold and heat supply glass curtain wall cavity system based on accumulation of energy |
| CN109707067A (en) * | 2019-01-30 | 2019-05-03 | 中铁建设集团有限公司 | A kind of integrative installation technology energy conservation wisdom wall based on cavity liquid pressurization template |
-
2020
- 2020-04-16 CN CN202010297880.9A patent/CN111456300A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009147558A1 (en) * | 2008-06-02 | 2009-12-10 | Csiha Andras | Regenerative decentralized alternating ventilation installation mit using hollow bricks of an outer wall |
| CN101550737A (en) * | 2009-04-28 | 2009-10-07 | 同济大学 | Curtain wall glass structure having functions of solar power generation/phase change heat preservation |
| CN101949529A (en) * | 2010-09-27 | 2011-01-19 | 绍兴文理学院 | Disc-type solar power generation natural circulation receiver |
| CN203671809U (en) * | 2013-11-25 | 2014-06-25 | 上海竞胜国际贸易有限公司 | Temperature adjusting device |
| CN104652649A (en) * | 2014-12-26 | 2015-05-27 | 上海海事大学 | Solar radiation self-regulation porous phase-change and heat-accumulation combined wall |
| CN205475821U (en) * | 2016-01-14 | 2016-08-17 | 哈尔滨理工大学 | Multi -functional glass wall |
| CN108224619A (en) * | 2016-12-15 | 2018-06-29 | 中建五局装饰幕墙有限公司 | A kind of cold and heat supply glass curtain wall cavity system based on accumulation of energy |
| CN107299706A (en) * | 2017-07-18 | 2017-10-27 | 北京仲基应用技术研究院有限公司 | A kind of making of solar airconditioning glass curtain wall system and installation method |
| CN109707067A (en) * | 2019-01-30 | 2019-05-03 | 中铁建设集团有限公司 | A kind of integrative installation technology energy conservation wisdom wall based on cavity liquid pressurization template |
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Application publication date: 20200728 |