CN205314359U - Double -parallel formula radiant tube wall prefabricated stacked plates - Google Patents
Double -parallel formula radiant tube wall prefabricated stacked plates Download PDFInfo
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- CN205314359U CN205314359U CN201520569250.7U CN201520569250U CN205314359U CN 205314359 U CN205314359 U CN 205314359U CN 201520569250 U CN201520569250 U CN 201520569250U CN 205314359 U CN205314359 U CN 205314359U
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- radiator tube
- superimposed sheet
- metope
- parallel formula
- prefabricated superimposed
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Abstract
The utility model provides a double -parallel formula radiant tube wall prefabricated stacked plates. This double -parallel formula radiant tube wall prefabricated stacked plates includes that an organic whole pours fashioned reinforcing bar layer (1), radiant tube (2) and concrete layer (3), radiant tube (2) are located reinforcing bar layer (1) is close to indoor one side, concrete layer (3) cladding is in reinforcing bar layer (1) and outside concrete layer (3), radiant tube (2) are arranged to double -parallel formula structure. According to the utility model discloses a double -parallel formula radiant tube wall prefabricated stacked plates, simple structure, heat transfer efficiency is high and the shaping is efficient.
Description
Technical field
The utility model relates to building and heating energy use technology field, specifically, it relates to a kind of two parallel formula prefabricated superimposed sheet of radiator tube metope.
Background technology
Along with developing rapidly of domestic economy, the energy-conserving and environment-protective consciousness of people also strengthens day by day, and the energy-efficient requirement for heating in building is also more and more higher. Along with the cry of this demand is more and more higher, adopt a kind of High comfort and low energy heating and refrigeration mode that ceiling low-temp radiation heating refrigeration becomes our times engineering circle and generally acknowledges at present. In this year, High comfort and low energy heating and refrigeration mode is adopted by part construction work gradually in China's building trade, and its feature is: 1, be Winter-summer dual purpose, i.e. winter heating, cooling in summer; 2, heat (or cold energy) all for by ceiling down or by metope horizontal radiation; 3, during winter heating, in its radiant coil, the water temp of flowing can not higher than 28 degrees Celsius, and during for cooling in summer, its water temp is not less than 20 degrees Celsius.
Current a kind of conventional radiator tube awning structure is as shown in Figure 1, it comprises steel bar layer 1 ', radiator tube 2 ' and concrete layer 3 ', wherein steel bar layer 1 ' comprises upper strata reinforcing mat and lower floor's reinforcing mat, radiator tube 2 ' is between upper strata reinforcing mat and lower floor's reinforcing mat, outside concrete layer 3 ' is coated on steel bar layer 1 ' and radiator tube 2 ', the benefit of this kind of design is, radiator tube 2 ' is well fixed in awning structure by the reinforcing mat of levels, therefore there is very stable structure so that the one-piece construction of awning structure is durable durable.
But owing to radiator tube 2 ' is arranged between upper and lower two layers of reinforcing mat, concrete all it is coated with in the both sides up and down of steel bar layer 1 ', therefore the heat of radiator tube 2 ' is made to be radiated indoor distance from lower-layer concrete bigger, causing a large amount of loss of the heat of radiator tube 2 ' in concrete layer 3 ', heat transfer efficiency is not high. In addition, owing to needing between two layers of reinforcing mat to leave enough spaces to place radiator tube 2 ', therefore can cause needing to have relatively Large space between upper and lower two layers of reinforcing mat so that overall awning structure thickness is relatively big, causes spillage of material more, adds cost. Owing to radiator tube 2 ' is arranged between upper and lower two layers of reinforcing mat, and together with reinforcing mat is cast in concrete layer 3 ', when radiator tube 2 ' go wrong need change time, after reinforcing mat must being removed, just radiator tube 2 ' can be carried out the operation of repair and replacement, causing the maintenance of radiator tube 2 ' very inconvenient, maintenance cost is very high.
Owing to awning structure is arranged on top, house, the heat that radiator tube distributes is spread gradually from top to bottom in indoor, for the window's position, the impact being subject to external temperature the closer to the temperature that window is then indoor is more big, make radiator tube that the position temperature regulation effect the closer to window is more poor, cause indoor temperature distribution difference excessive, affect homogeneity and the comfort level of indoor temperature distribution.
In addition this kind of radiator tube awning structure cast-in-place plate structure of many employings, this kind of structure can strengthen globality and the shock resistance in house, there is bigger bearing capacity, simultaneously heat insulation, the aspects such as sound insulation, waterproof also have certain advantage, but this kind of structure wastes time and energy, shaping cycle long production is difficult to realize industrialization.
Practical novel content
Technical purpose of the present utility model just is to solve the defect of above-mentioned prior art, it is provided that a kind of structure is simple, and heat transfer efficiency height is while the high two parallel formula prefabricated superimposed sheet of radiator tube metope of shaping efficiency and forming method thereof.
For reaching technical purpose of the present utility model, the utility model provides a kind of two parallel formula prefabricated superimposed sheet of radiator tube metope, comprise the shaping steel bar layer of formed by integrally casting, radiator tube and concrete layer, radiator tube is positioned at described steel bar layer near indoor side, concrete layer is coated on outside steel bar layer and concrete layer, and radiator tube is arranged as two parallel formula structure.
In two parallel formula prefabricated superimposed sheet of radiator tube metope provided by the utility model, radiator tube is positioned at the close indoor side of steel bar layer, and it is directly be integrated with concrete placement together with steel bar layer, thus the two parallel formula prefabricated superimposed sheet of radiator tube metope of formation, this just makes the prefabricated superimposed sheet of metope directly to complete in prefabricated components source mill, without the need to carrying out execute-in-place in shaping place, structure manufacture is by limiting in season and weather, component quality can be improved, and shaping speed is fast, a large amount of template and supporting can be saved, it is possible to shorten the duration in a large number. Radiator tube is arranged on steel bar layer near indoor side, distance between the internal layer edge of radiator tube and the prefabricated superimposed sheet of metope is diminished, the calorific loss that the heat reduced in radiator tube is radiated in indoor process, it is to increase heat conduction efficiency, it is possible to strengthen the energy utilization efficiency of radiator tube. Radiator tube is arranged in the prefabricated superimposed sheet of metope, the mode of awning structure it is arranged on compared to radiator tube, structure is more reasonable, it is possible to reduce the disadvantageous effect that window heat scatters and disappears and causes for indoor temperature distribution, it is to increase the homogeneity of indoor temperature distribution and comfort level. Radiator tube is arranged as two parallel formula structure, it is possible to according to heat-transfer medium at heat transfer characteristic, ensure further the heat of radiator tube be delivered in the radiating surface of the prefabricated superimposed sheet of metope distributes more even so that indoor temperature distribution is more even, and Consumer's Experience is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of radiator tube awning structure of the prior art;
Fig. 2 is the structural representation of the two parallel formula prefabricated superimposed sheet of radiator tube metope in the utility model;
Fig. 3 is the arrangement schematic diagram of the radiator tube of the two parallel formula prefabricated superimposed sheet of radiator tube metope in the utility model;
Fig. 4 is the shaping schema of the two parallel formula prefabricated superimposed sheet of radiator tube metope in the utility model;
Fig. 5 is the radiator tube isothermal map that to be arranged on awning structure indoor;
Fig. 6 is the radiator tube isothermal map that to be arranged on metope structure indoor.
Description of reference numerals: 1, steel bar layer; 2, radiator tube; 3, concrete layer; 4, region is dodged.
Embodiment
Hereinafter embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Shown in Fig. 2 and Fig. 3, according to embodiment of the present utility model, two parallel formula prefabricated superimposed sheet of radiator tube metope comprises the shaping steel bar layer of formed by integrally casting 1, radiator tube 2 and concrete layer 3, radiator tube 2 is positioned at steel bar layer 1 near indoor side, concrete layer 3 is coated on outside steel bar layer 1 and concrete layer 3, and radiator tube 2 is arranged as two parallel formula structure.
In two parallel formula prefabricated superimposed sheet of radiator tube metope of the present utility model, radiator tube 2 is positioned at the close indoor side of steel bar layer 1, and it is directly be integrated with concrete placement together with steel bar layer 1, thus form radiator tube metope prefabricated superimposed sheet, this just makes the prefabricated superimposed sheet of metope directly to complete in prefabricated components source mill, without the need to carrying out execute-in-place in shaping place, structure manufacture is by limiting in season and weather, component quality can be improved, and shaping speed is fast, a large amount of template and supporting can be saved, it is possible to shorten the duration in a large number. Radiator tube is arranged on steel bar layer near indoor side, distance between the internal layer edge of radiator tube and the prefabricated superimposed sheet of metope is diminished, the calorific loss that the heat reduced in radiator tube is radiated in indoor process, it is to increase heat conduction efficiency, it is possible to strengthen the energy utilization efficiency of radiator tube. Radiator tube 2 is arranged in the prefabricated superimposed sheet of metope, the mode of awning structure it is arranged on compared to radiator tube 2, structure is more reasonable, it is possible to reduce the disadvantageous effect that window heat scatters and disappears and causes for indoor temperature distribution, it is to increase the homogeneity of indoor temperature distribution and comfort level. Radiator tube 2 is arranged as two parallel formula structure, it is possible to according to heat-transfer medium at heat transfer characteristic, ensure the heat of radiator tube 2 be delivered in the radiating surface of the prefabricated superimposed sheet of metope distributes more even so that indoor temperature distribution is more even, and Consumer's Experience is better.
For example, the prefabricated superimposed sheet of metope of the prior art, radiator tube 2 is radiated indoor distance and is approximately between 60mm to 110mm, and therefore radiator tube 2 at least needs just can to arrive indoor through the concrete layer that 60mm is thick and effectively conducts heat.
And after adopting structure of the present utility model, radiator tube 2 is owing to being arranged on the side near indoor of steel bar layer 1, therefore make radiator tube 2 be radiated indoor distance and can be reduced to below 60mm, in order to ensure that the stability of structure installed by radiator tube 2 in concrete layer 3, radiator tube 2 is radiated indoor distance and can control between 30mm to 40mm, this just substantially reduces the thickness that radiator tube 2 needs the concrete layer 3 of process so that the heat of radiator tube 2 can be delivered to indoor more fast.
When the prefabricated superimposed sheet of radiator tube metope is provided with window 6, radiator tube 2 have walk around window 6 position dodge region 4. In conjunction with shown in Figure 5, in general, if radiator tube 2 is arranged on awning structure, so in the heat supplying process of reality, indoor thermoisopleth 7 shows as, and the radian being inwardly recessed the closer to window 6 position thermoisopleth is more big, also namely scattering and disappearing more big the closer to the window's position heat, temperature is more low. Due to window 6, place is provided with window 8, the impact that temperature herein is subject to the structure of window itself and material is bigger, therefore temperature difference in order to the heat and other zone that can avoid window 6 position as far as possible is excessive, uncomfortable impression is caused to user, should trying every possible means to make indoor thermoisopleth more mild, temperature distribution is more even.
In conjunction with shown in Figure 6, after adopting the prefabricated superimposed sheet of metope of the present utility model, radiator tube 2 is set directly in the prefabricated superimposed sheet of the metope with window 6, now heat is distributed to indoor by the radiator tube 2 in the prefabricated superimposed sheet of metope, therefore in the position the closer to the prefabricated superimposed sheet of metope, heat is more big, and evenly distribute around window 6, even if there being part heat still to be scattered and disappeared by window 6, but generally speaking, the heat at window 6 place is due to the cause of the continuous distribute heat of the radiator tube 2 in the prefabricated superimposed sheet of metope, significantly reduce with the heat difference in longitudinal plane around, the temperature at this place and the temperature difference of other zone are diminished, therefore the homogeneity of whole room temp can be improved, improve comfort level when user uses. by in Fig. 6 it may be seen that after radiator tube 2 being arranged on the prefabricated superimposed sheet of the metope with window 6, the curve radian of thermoisopleth near the position of window 6 reduces, and also namely heat reduces in the change in location near window 6, and temperature distribution is more even.
In the utility model, radiator tube comprises inlet pipe and goes out pipe, and inlet pipe goes out to manage parallel setting with described, extends to another side relative with this side from the side of the prefabricated superimposed sheet of metope, and realizes in another side connecting, thus forms two parallel formula structure. The radiator tube 2 of this pair of parallel formula structure is when carrying out heat and radiate, heat-transfer medium enters from inlet pipe, when making heat, and can be higher in ingress's temperature of inlet pipe, along the flowing of heat-transfer medium, the radiation temperature of inlet pipe can reduce gradually, from, when going out pipe outflow, the temperature of heat-transfer medium reduces further, when arriving out pipe and export, temperature is minimum, and the central zone the closer to radiator tube 2, inlet pipe is more little with the temperature difference of the heat-transfer medium gone out in pipe. In heat radiative process, inlet pipe and go out the heat that pipe radiates out and can form mixing, the radiations heat energy summation of the radiations heat energy summation being positioned at the radiator tube 2 of metope prefabricated superimposed sheet side and prefabricated another side of superimposed sheet of metope is consistent, therefore can make radiator tube 2 on the radiating surface of the prefabricated superimposed sheet of whole metope heat radiation more even, making indoor temperature distribution more even, comfort level is better. When freezing, based on identical principle, the uniformity of temperature profile of indoor when can ensure to freeze equally.
In order to strengthen the convenience after radiator tube 2 is installed, radiator tube 2 can be fixed in steel bar layer 1, and its concrete fixing mode can be welding or bolt connection etc. After radiator tube 2 is fixed in steel bar layer 1, in the process installed, only need to ensure the installation position of steel bar layer 1, just can ensure the installation position of radiator tube 2, therefore, it is possible to reduce the installation difficulty of radiator tube 2, reduce the shaping difficulty of the prefabricated superimposed sheet of metope, it is more prone to ensure Forming Quality.
Radiator tube 2 can also be hooked in steel bar layer 1. Owing to steel bar layer 1 is reticulated structure, therefore radiator tube 2 can be hooked in steel bar layer 1 by the mesh in steel bar layer 1, the structure of steel bar layer 1 need not be transformed, also the structure of steel bar layer 1 can not be caused damage, but also conveniently for radiator tube 2 provides, supporting structure can be installed, it is more convenient to operate. Radiator tube 2 can also realize being connected in other way and between steel bar layer 1, or radiator tube 2 can also and steel bar layer 1 between unrelated, after fixing in other way, casting concrete forms the prefabricated superimposed sheet of radiator tube metope.
In conjunction with shown in Figure 3, in the present embodiment, radiator tube 2 is two parallel formula structures, namely the structure formation that radiator tube 2 shows in the main TV structure of the prefabricated superimposed sheet of metope is two parallel formula structure, this pair of parallel formula structure is embodied in, being parallel relation between multiple radiation main bodys of the inlet pipe of radiator tube 2, going out between multiple radiation main bodys of pipe is also parallel relation, inlet pipe and go out entirety between pipe and also show as parallel relation.The molding mode of this kind of structure is simple, and cost is lower, and can have good radiation effect.
The prefabricated superimposed sheet of radiator tube metope can be one-piece construction, now radiator tube 2 can be one-piece construction, namely the radiator tube 2 of this kind of parallel formula structure is integrated, it is possible to think split-type structural, is namely adding man-hour, radiator tube 2 can be divided into multistage to process, after machining, carry out the assembling of the prefabricated superimposed sheet of radiator tube metope, after forming the monoblock type prefabricated superimposed sheet of radiator tube metope, shaping scene can be transported to, the action such as then carry out that lifting is built by instruments such as vehicles. Generally, each room length in resident house is 3 to 6m, therefore, even if prefabricated for radiator tube metope superimposed sheet is built the structure into monoblock type, also the transport inconvenience of the prefabricated superimposed sheet of radiator tube metope can not be caused owing to the area of the prefabricated superimposed sheet of radiator tube metope is excessive or weight is overweight, and the radiator tube 2 being positioned at integral concrete layer 3 can also being made to have good sealing effect, in the process used, seepage is less likely to occur, heat conduction efficiency is higher.
For the prefabricated superimposed sheet of radiator tube metope of the metope structure important component part as a room, if room area is excessive, for the consideration to aspects such as transportation cost and operation facilities, just can when the prefabricated superimposed sheet of making radiator tube metope, prefabricated for radiator tube metope superimposed sheet is divided into multiple superimposed sheet plate, radiator tube 2 and steel bar layer 1 are also carried out corresponding division to superimposed sheet plate, make each superimposed sheet plate can both form an independent monoblock type pouring structure, after being grouped together, just can form the prefabricated superimposed sheet of radiator tube metope complete in room, so, owing to the volume of each superimposed sheet plate is less, lighter in weight, just there is not the problem of transport difficult and processing difficulties, also can effectively shorten the duration simultaneously, improve shaping efficiency.
The prefabricated superimposed sheet of radiator tube metope comprises polylith and builds separately shaping superimposed sheet plate, and the adjacent described radiator tube 2 on superimposed sheet plate is tightly connected, thus ensures the stopping property of connection between the radiator tube 2 on adjacent superimposed sheet plate. In general, the inlet pipe of radiator tube should be provided with on each superimposed sheet plate and go out pipe, on a superimposed sheet plate wherein, the inlet pipe of radiator tube 2 and go out pipe and should link together, so that final the formed prefabricated superimposed sheet of radiator tube metope has complete radiator tube turnover structure, ensure that heat-transfer medium can conduct heat smoothly.
Can be bolted to connection between adjacent superimposed sheet plate, can also be connected by mode of connection such as welding, when adopting welding process, need when shaping superimposed sheet plate, each superimposed sheet plate arranges weldment, when multiple superimposed sheet plate is combined by needs, firm connection structure can be formed by being welded together by weldment between superimposed sheet plate. Shaping
In the present embodiment, radiator tube 2 comprises the pipeline section of the parallel setting of multistage, is connected by U-tube between two adjacent pipeline sections. U-tube connection can ensure when heat-transfer medium flows through the pipeline section of parallel setting of radiator tube 2, owing to flow direction changes, radiator tube 2 can not be caused greater impact, also can avoid better disorderly stream occurs the process that heat-transfer medium changes at flow direction, improve the stability in heat transfer medium flows process, it is to increase heat conduction efficiency.
In conjunction with shown in Figure 4, according to embodiment of the present utility model, the forming method of two parallel formula prefabricated superimposed sheet of radiator tube metope comprises: step S1: be two parallel formula structures by radiator tube 2 machine-shaping;Step S2: steel bar layer 1 and radiator tube 2 are fixed on predeterminated position, and make radiator tube 2 be positioned at steel bar layer 1 near indoor side; Step S3: to steel bar layer 1 and radiator tube 2 casting concrete, forms the prefabricated superimposed sheet of metope.
The processing mode of radiator tube 2 can be multiple, such as bending and molding or build shaping etc. Radiator tube 2 can be metal tube, compo pipe, plastics tubing or other heat-transfer pipes with heat transfer characteristic.
When installing fixing to steel bar layer 1 and radiator tube 2, it is possible to carry out in different ways, wherein a kind of mode is, first radiator tube 2 is fixed on steel bar layer 1 near indoor side; Then the radiator tube 2 connected together is fixed on predeterminated position with steel bar layer 1. The benefit of this kind of molding mode is, can carry out location is installed to radiator tube 2 by steel bar layer 1, without the need to being carried out by radiator tube 2 separately again, location is installed, when mounted, as long as steel bar layer 1 is fixed on predeterminated position, just can carrying out building of concrete layer 3 so that the prefabricated superimposed sheet of metope shaping more simple and convenient, it is more convenient to operate.
Another mode is, radiator tube 2 and steel bar layer 1 are separately fixed at predeterminated position, also namely when carrying out installing fixing, between radiator tube 2 and steel bar layer 1 unrelated, steel bar layer 1 is directly fixed on the body of wall of the prefabricated superimposed sheet both sides of metope, and radiator tube 2 is also directly fixed on the body of wall of the prefabricated superimposed sheet both sides of metope. The benefit of this kind of molding mode is, radiator tube 2 when needs repair and replacement, due to unrelated between steel bar layer 1, therefore can be more simple and convenient.
When installing radiator tube 2, if radiator tube 2 is one-piece construction, it is possible to directly radiator tube 2 is installed. If radiator tube 2 is split-type structural, it is possible to radiator tube 2 has been assembled rear entirety and has installed, it is also possible to split-type structural is directly assembled at predeterminated position.
After having determined the structure of radiator tube 2, structure according to the prefabricated superimposed sheet of radiator tube metope determines the molding mode of radiator tube 2, such as when the prefabricated superimposed sheet of radiator tube metope is one-piece construction, now can by directly one-body molded for radiator tube 2 be parallel formula structure, then entirety puts into forming module, the prefabricated superimposed sheet of radiator tube metope it is shaped to together with concrete layer 3 with steel bar layer 1, first radiator tube 2 can also be processed respectively, when the prefabricated superimposed sheet of shaped radiation pipe metope, again radiator tube 2 is assembled in together, global formation.
When the prefabricated superimposed sheet of radiator tube metope be multiple superimposed sheet plate combine time, now just the position according to each superimposed sheet plate is needed to be divided by radiator tube 2, radiator tube 2 is made to be divided into multistage, and it is positioned on corresponding superimposed sheet plate, to ensure after superimposed sheet plate completes assembling, multistage radiator tube 2 can combine smoothly, forms the radiator tube 2 of complete parallel formula structure.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. two parallel formula prefabricated superimposed sheet of radiator tube metope, it is characterized in that, comprise the shaping steel bar layer of formed by integrally casting (1), radiator tube (2) and concrete layer (3), described radiator tube (2) is positioned at described steel bar layer (1) near indoor side, described concrete layer (3) is coated on described steel bar layer (1) and described concrete layer (3) outward, and described radiator tube (2) is arranged as two parallel formula structure.
2. two parallel formula prefabricated superimposed sheet of radiator tube metope according to claim 1, it is characterised in that, described radiator tube comprises inlet pipe and goes out pipe, described inlet pipe goes out to manage parallel setting with described, extend to another side from the side of awning structure, and it is connected in another side, form described two parallel formula structure.
3. two parallel formula prefabricated superimposed sheet of radiator tube metope according to claim 1, it is characterized in that, described two parallel formula radiator tube metope structure is provided with window (6), described radiator tube (2) have walk around described window position dodge region (4).
4. two parallel formula prefabricated superimposed sheet of radiator tube metope according to claim 1, it is characterised in that, described radiator tube (2) is fixedly connected in described steel bar layer (1).
5. two parallel formula prefabricated superimposed sheet of radiator tube metope according to claim 1, it is characterized in that, the described prefabricated superimposed sheet of radiator tube metope comprises polylith and builds separately shaping superimposed sheet plate, and the described radiator tube (2) on adjacent superimposed sheet plate is tightly connected.
6. two parallel formula prefabricated superimposed sheet of radiator tube metope according to claim 1, it is characterised in that, described radiator tube (2) comprises the pipeline section of the parallel setting of multistage, is connected by U-tube between two adjacent pipeline sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520569250.7U CN205314359U (en) | 2015-07-31 | 2015-07-31 | Double -parallel formula radiant tube wall prefabricated stacked plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520569250.7U CN205314359U (en) | 2015-07-31 | 2015-07-31 | Double -parallel formula radiant tube wall prefabricated stacked plates |
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| Publication Number | Publication Date |
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| CN205314359U true CN205314359U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520569250.7U Expired - Fee Related CN205314359U (en) | 2015-07-31 | 2015-07-31 | Double -parallel formula radiant tube wall prefabricated stacked plates |
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| CN (1) | CN205314359U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133784A (en) * | 2015-07-31 | 2015-12-09 | 仲杨建筑技术咨询（北京）有限公司 | Dual-parallel type radiant tube wall surface prefabricated laminated slab and moulding method thereof |
-
2015
- 2015-07-31 CN CN201520569250.7U patent/CN205314359U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133784A (en) * | 2015-07-31 | 2015-12-09 | 仲杨建筑技术咨询（北京）有限公司 | Dual-parallel type radiant tube wall surface prefabricated laminated slab and moulding method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20210731 |