CN214384435U - Air-cooled concrete system - Google Patents
Air-cooled concrete system Download PDFInfo
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- CN214384435U CN214384435U CN202120236796.6U CN202120236796U CN214384435U CN 214384435 U CN214384435 U CN 214384435U CN 202120236796 U CN202120236796 U CN 202120236796U CN 214384435 U CN214384435 U CN 214384435U
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- air
- cooled
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- pipeline
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- 238000005086 pumping Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 37
- 238000010276 construction Methods 0.000 abstract description 9
- 238000009529 body temperature measurement Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model relates to an air-cooled concrete system, including forced air cooling pipeline and air supply subassembly, the middle part of forced air cooling pipeline is crooked to be set up on the inside same horizontal plane of concrete, and both ends set up in the concrete outside, the air supply subassembly includes inflator pump, aspiration pump, bracing piece and support frame, the both ends of forced air cooling pipeline are connected with inflator pump and aspiration pump respectively, the quantity of bracing piece and support frame is four, and four support frame end to end form a rectangle frame, rectangle frame level sets up in the outside of concrete, and four bracing pieces are vertical to be set up in four summits department of rectangle frame, four angles of rectangle frame all are fixed in on the bracing piece, inflator pump and aspiration pump all set up on the support frame, the inflator pump is connected in the input of forced air cooling pipeline and is used for pumping the forced air cooling pipeline with the air pump. The system carries out air cooling on the concrete and has the advantages of flexible arrangement, low cost, convenience in construction and the like.
Description
Technical Field
The utility model relates to a concrete accuse temperature technical field, specific saying is an air-cooled concrete system.
Background
The concrete surface is easy to crack due to the overlarge inner surface temperature difference, and the concrete surface is easy to expand into deep cracks in the later period. The control of the temperature difference inside the pipe to prevent the occurrence of early thermal cracks is another important point of the anti-cracking work. The control of the temperature difference of the inner surface has two means, namely reducing the inner temperature and increasing the surface temperature, namely 'inner protection and outer dispersion'.
In the early 30 s, when the U.S. department of cultivation designed the highest concrete dam in the world at that time, the cooling scheme with built-in water pipes for water communication was selected and field tests were carried out, which proved that the water pipes were very effective in cooling. The temperature control method is popularized all over the world, becomes a widely applied temperature control measure in mass concrete construction, and plays an important role in the construction and construction of mass concrete.
With the application of cooling water pipes in engineering, certain limitations are exposed. The requirement on the sealing performance of the cooling water pipe is high, the problems of water leakage, incompact grouting and the like easily occur due to improper control, and the corrosion of the cooling water pipe can be caused by the permeation of water and harmful ions, so that the safety of a bridge structure is influenced; the dependence on water resources is strong, and some projects (or components) are inconvenient to carry out cooling water construction due to the limitation of weather drought or construction conditions; if improper control in actual construction leads to an excessively fast cooling rate after a temperature peak, temperature cracks are also generated to reduce durability.
The cooling scheme of a brand-new medium is researched and developed to be used as the technical supplement of the concrete cooling and cracking prevention, and certain necessity exists in the practical application of the large-volume concrete engineering.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above not enough, provide an air-cooled concrete system, this system carries out the forced air cooling to the concrete, has to set up advantages such as nimble, with low costs, the construction of being convenient for.
For solving the technical problem, the utility model discloses a following technical scheme:
an air-cooled concrete system comprises an air-cooled pipeline and an air supply assembly, wherein the middle part of the air-cooled pipeline is arranged on the same horizontal plane in the concrete in a bending way, the two ends of the air-cooled pipeline are arranged on the outer side of the concrete, the air supply assembly comprises an inflator pump, an air pump, a support rod and a support frame, two ends of the air cooling pipeline are respectively connected with the inflator pump and the air pump, the number of the supporting rods and the number of the supporting frames are four, the four supporting frames are connected end to form a rectangular frame, the rectangular frame is horizontally arranged at the outer side of the concrete, the four support rods are vertically arranged at the four top points of the rectangular frame, four corners of the rectangular frame are all fixed on the support rods, the inflator pump and the air pump are both arranged on the support frame, the air pump is connected to the input of air-cooled pipeline and is used for pumping air into the air-cooled pipeline, the air pump is connected to the output of air-cooled pipeline and is used for pumping out the air in the air-cooled pipeline.
Furthermore, the temperature measurement device also comprises a temperature measurement sensor, wherein the temperature measurement sensor is arranged at the output end of the air-cooled pipeline and is used for detecting the gas temperature at the output end of the air-cooled pipeline.
The air pump is connected with the air pump through a pipeline, and the air pump is connected with the air pump through a pipeline.
Furthermore, a telescopic air pipe is arranged between the flow guide pipe and the inflator pump, one end of the telescopic air pipe is connected with the inflator pump or the air pump, the other end of the telescopic air pipe is connected with the flow guide pipe, and two ends of the telescopic air pipe are connected with the inflator pump, the air pump and the flow guide pipe through flanges.
Furthermore, the outer sides of the two ends of the air cooling pipeline are provided with external threads, the inner side of the flow guide pipe is provided with an internal thread matched with the external threads at one end connected with the air cooling pipeline, and the flow guide pipe is connected with the air cooling pipeline through threads.
Further, the tail end of the internal thread is provided with a sealing ring.
Furthermore, the number of the air-cooled pipelines is three, and the three air-cooled pipelines are arranged in the concrete in an upper part, a middle part and a lower part.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
the utility model discloses an air-cooled is cooled down to the concrete, aeration cooling can reduce the peak value of concrete temperature curve comparatively effectively, adjust the wind speed in the air pipe through pump and aspiration pump, along with the increase of wind speed, the temperature of concrete reduces gradually, the cooling effect is good, compare with traditional water-cooling mode, air-cooled concrete technology has the advantages such as setting up in a flexible way, with low costs, the construction of being convenient for, the density and the specific heat of cooling air are minimum, under the condition of absorbing the same heat, the cooling air intensifies the perk and is far greater than the cooling water, adopt the air-cooled system can avoid well suffering to destroy in the concrete work progress and cause the risk that the concrete quality reduces of leaking; the output of pump is provided with the honeycomb duct and is used for the air pressure boost of pump income with the pump, improves the velocity of flow of air in the forced air cooling pipeline, improves cooling efficiency, and the output of aspiration pump is provided with the honeycomb duct and is used for making the air of aspiration pump in with the forced air cooling pipeline faster taking out.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic cross-sectional view of a draft tube;
fig. 4 is a schematic layout view of the air-cooling duct of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. air-cooling the pipeline; 21. an inflator pump; 22. an air pump; 23. a support bar; 24. a support frame; 3. a temperature measuring sensor; 4. a flow guide pipe; 41. a seal ring; 5. a telescopic air duct; 6. bulk concrete.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, an air-cooled concrete system comprises an air-cooled pipeline 1 and an air supply assembly, wherein the middle of the air-cooled pipeline 1 is arranged on the same horizontal plane inside concrete in a bending manner, two ends of the air-cooled pipeline 1 are arranged on the outer side of the concrete, the air supply assembly comprises an inflator pump 21, an air pump 22, a support rod 23 and a support frame 24, two ends of the air-cooled pipeline 1 are respectively connected with the inflator pump 21 and the air pump 22, the number of the support rods 23 and the number of the support frames 24 are four, the four support frames 24 are connected end to form a rectangular frame, the rectangular frame is horizontally arranged on the outer side of the concrete, the four support rods 23 are vertically arranged at four vertex points of the rectangular frame, four corners of the rectangular frame are all fixed on the support rods 23, the inflator pump 21 and the air pump 22 are both arranged on the support frame 24, the inflator pump 21 is connected to the input end of the air-cooled pipeline 1 and is used for pumping air into the air-cooled pipeline 1, the air pump 22 is connected to the output end of the air-cooled pipeline 1 and is used for pumping air in the air-cooled pipeline 1;
the temperature measurement device is characterized by further comprising a temperature measurement sensor 3, wherein the temperature measurement sensor 3 is arranged at the output end of the air cooling pipeline 1 and used for detecting the gas temperature at the output end of the air cooling pipeline 1.
When the temperature measuring device is used, the temperature sensor 3, the inflator pump 21 and the air pump 22 are all electrically connected with the control terminal, the temperature measuring sensor 3 is also used for transmitting measured temperature data to the control terminal (the control terminal can be a computer and other data analysis instruments), and the control terminal adjusts the rotating speed of the inflator pump 21 and the air pump 22 according to the temperature data so as to control the flow rate of air in the air cooling pipeline.
As shown in fig. 2 and fig. 3, as an embodiment, the air-cooled pipeline further includes a flow guide tube 4, one end of the flow guide tube 4 is connected to an inflator 21 or an air pump 22, the other end of the flow guide tube 4 is connected to an output end or an input end of the air-cooled pipeline 1, and an inner diameter of one end of the flow guide tube 4 connected to the air pump is gradually reduced to one end connected to the air-cooled pipeline 1;
a telescopic air pipe 5 is arranged between the flow guide pipe 4 and the inflator pump 21, one end of the telescopic air pipe 5 is connected with the inflator pump 21 or the air pump 22, the other end of the telescopic air pipe 5 is connected with the flow guide pipe 4, two ends of the telescopic air pipe 5 are connected with the inflator pump 21, the air pump 22 and the flow guide pipe 4 through flanges, the inflator pump 21 and the air pump 22 are fixed on a support frame 24 through bolts, a shock pad is arranged between the inflator pump 21 and the support frame 24 and between the air pump 22 and the support frame 24, the shock of the inflator pump 21 and the air pump 22 is reduced through the shock pad, the telescopic air pipe 5 is used for preventing the shock of the air pump from being transmitted to the air-cooled pipeline 1, and the service life of the air-cooled pipeline is prolonged;
the outer sides of two ends of the air-cooled pipeline 1 are provided with external threads, one end of the inner side of the flow guide pipe 4, which is connected with the air-cooled pipeline 1, is provided with internal threads matched with the external threads, and the flow guide pipe 4 is connected with the air-cooled pipeline 1 through threads;
the end of the internal thread is provided with a sealing ring 41, and the sealing ring 41 is used for providing the tightness of the system.
As shown in fig. 4, the number of the air-cooled pipelines 1 is three, and the three air-cooled pipelines 1 are arranged in the concrete in an upper part, a middle part and a lower part;
in the embodiment, the pipe diameter of the air-cooled pipeline 1 is 70mm, the pipe length is 100m, the distance is 100cm x 100cm, the flow velocity in the air-cooled pipeline 1 is 5m/s, the air temperature is 20 ℃, and the ventilation time is 7 days; the cooling effect of the air-cooled pipelines with different pipe diameters is different, the cooling efficiency is also improved to a certain extent along with the increase of the pipe diameter under a certain wind speed, but the lifting amplitude is not large; under different wind speed conditions, the peak value of the concrete temperature curve can be effectively reduced by ventilation and cooling, the concrete temperature is gradually reduced along with the increase of the wind speed, and the cooling effect is better; the average temperature of the concrete has stronger sensitivity to the ventilation temperature, and the average temperature of the concrete is reduced along with the reduction of the ventilation temperature; the pipe length has certain influence on the air cooling effect but has smaller influence.
When the air-cooled concrete pump is used, air is pumped into the air-cooled pipeline through the inflator pump, heat in the large-volume concrete is absorbed in the process that the air flows through the air-cooled pipeline, and the air pump pumps out the air in the air-cooled pipeline after absorbing the heat;
at the output end of the air cooling pipeline, the temperature measuring sensor can detect the temperature of air at the output end of the air cooling pipeline, temperature data are transmitted to the control terminal, and the rotating speeds of the inflator pump and the air pump are adjusted through the control terminal so as to adjust the flow rate of the air in the air cooling pipeline.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (7)
1. An air-cooled concrete system is characterized by comprising an air-cooled pipeline (1) and an air supply assembly, wherein the middle of the air-cooled pipeline (1) is arranged on the same horizontal plane in concrete in a bending mode, two ends of the air-cooled pipeline are arranged on the outer side of the concrete, the air supply assembly comprises an inflator pump (21), an air pump (22), a support rod (23) and a support frame (24), two ends of the air-cooled pipeline (1) are respectively connected with the inflator pump (21) and the air pump (22), the number of the support rods (23) and the number of the support frames (24) are four, the four support frames (24) are connected end to form a rectangular frame, the rectangular frame is horizontally arranged on the outer side of the concrete, the four support rods (23) are vertically arranged at four top points of the rectangular frame, four corners of the rectangular frame are all fixed on the support rods (23), the inflator pump (21) and the air pump (22) are all arranged on the support frames (24), the air pump (21) is connected to the input end of the air-cooled pipeline (1) and used for pumping air into the air-cooled pipeline (1), and the air pump (22) is connected to the output end of the air-cooled pipeline (1) and used for pumping out the air in the air-cooled pipeline (1).
2. An air-cooled concrete system according to claim 1, further comprising a temperature sensor (3), wherein the temperature sensor (3) is arranged at the output end of the air-cooled pipeline (1) for detecting the gas temperature at the output end of the air-cooled pipeline (1).
3. An air-cooled concrete system according to claim 1, characterized in that it further comprises a draft tube (4), one end of the draft tube (4) is connected with an inflator pump (21) or an air pump (22), the other end is connected with the output end or the input end of the air-cooled pipeline (1), and the inner diameter of the end of the draft tube (4) connected with the air pump is gradually reduced to the end connected with the air-cooled pipeline (1).
4. An air-cooled concrete system according to claim 3, characterized in that a telescopic air pipe (5) is arranged between the air guide pipe (4) and the air pump (21), one end of the telescopic air pipe (5) is connected with the air pump (21) or the air pump (22), the other end is connected with the air guide pipe (4), and two ends of the telescopic air pipe (5) are connected with the air pump (21), the air pump (22) and the air guide pipe (4) through flanges.
5. An air-cooled concrete system according to claim 3, characterized in that the outside of both ends of the air-cooled pipeline (1) is provided with an external thread, the inside of the draft tube (4) and the end connected with the air-cooled pipeline (1) is provided with an internal thread matched with the external thread, and the draft tube (4) and the air-cooled pipeline (1) are connected through a thread.
6. An air-cooled concrete system according to claim 5, characterised in that the tip of the internal thread is provided with a sealing ring (41).
7. An air-cooled concrete system according to claim 1, characterised in that the number of air-cooled ducts (1) is three, the three air-cooled ducts (1) being arranged in the concrete in an upper, middle and lower arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120236796.6U CN214384435U (en) | 2021-01-28 | 2021-01-28 | Air-cooled concrete system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120236796.6U CN214384435U (en) | 2021-01-28 | 2021-01-28 | Air-cooled concrete system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214384435U true CN214384435U (en) | 2021-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120236796.6U Expired - Fee Related CN214384435U (en) | 2021-01-28 | 2021-01-28 | Air-cooled concrete system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214384435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217110A (en) * | 2022-09-20 | 2022-10-21 | 中冶建筑研究总院有限公司 | Air-cooling temperature control system for mass concrete, air-cooling temperature control method and design method |
-
2021
- 2021-01-28 CN CN202120236796.6U patent/CN214384435U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217110A (en) * | 2022-09-20 | 2022-10-21 | 中冶建筑研究总院有限公司 | Air-cooling temperature control system for mass concrete, air-cooling temperature control method and design method |
| CN115217110B (en) * | 2022-09-20 | 2023-01-10 | 中冶建筑研究总院有限公司 | Air-cooled temperature control system, air-cooled temperature control method and design method for mass concrete |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |