CN220218990U - Concrete tubular pile carbon dioxide curing means - Google Patents
Concrete tubular pile carbon dioxide curing means Download PDFInfo
- Publication number
- CN220218990U CN220218990U CN202320772265.8U CN202320772265U CN220218990U CN 220218990 U CN220218990 U CN 220218990U CN 202320772265 U CN202320772265 U CN 202320772265U CN 220218990 U CN220218990 U CN 220218990U
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- Prior art keywords
- pipe
- carbon dioxide
- pipe die
- end plate
- die
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 150
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 75
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 75
- 238000007789 sealing Methods 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The utility model relates to a carbon dioxide curing device for a concrete pipe pile, which comprises a pipe die, wherein the pipe die comprises a pipe body, end plates and an inner cavity, and the end plates are positioned at two ends of the pipe body; the pipe die comprises a first pipe die and a second pipe die, the first pipe die and the second pipe die can be buckled together, and a pipe cavity is formed in the pipe body; the end plate comprises a front end plate and a rear end plate, the front end plate is provided with a first opening, the rear end plate is provided with a second opening, and the first opening is communicated with the second opening; the first pipe die is provided with a pressure control device near the front end plate, and a temperature control device near the rear end plate. In the technical scheme, because the carbon dioxide gas is totally stored in the pipe cavity of the pipe die and cannot be dispersed into the air, the concrete pipe pile in the pipe die is directly cured to the greatest extent, and the energy loss and the curing time are greatly reduced. And because the carbon dioxide pressure, temperature and concentration control device is increased, carbon dioxide in the pipe cavity is pumped out after the curing process is finished, and the multistage cyclic utilization of the carbon dioxide is realized.
Description
Technical Field
The utility model relates to the technical field of concrete product production, in particular to a carbon dioxide curing device for a concrete tubular pile.
Background
At present, most concrete pipe piles are produced by adopting a steam curing process, namely, putting the centrifugally formed pipe piles into a steam pool, covering a cover plate, and then introducing high-temperature steam for curing. The conventional concrete pipe pile steam curing pool has huge free space, and steam can escape from the pore of the curing pool during 10-12 hours of curing due to poor sealing property. When the curing pool cover plate is opened after curing, the problem of steam recycling is not considered, and most of heat carried by steam is wasted.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a novel concrete carbon dioxide curing device which is combined with concrete pipe pile die to replace the traditional steam curing pool or steam curing kettle by combining with the actual production requirements of concrete pipe piles so as to reduce the energy consumption in the curing process.
Specifically, the technical scheme of the utility model is as follows:
proposes a concrete tubular pile carbon dioxide curing means, include: the pipe die comprises a pipe body, end plates and an inner cavity, wherein the end plates are positioned at two ends of the pipe body; the pipe die comprises a first pipe die and a second pipe die, the first pipe die and the second pipe die can be buckled together, and a pipe cavity is formed in the pipe body; the end plates comprise a front end plate and a rear end plate, the front end plate comprises a first end plate and a second end plate, and the rear end plate comprises a third end plate and a fourth end plate; the first end plate and the third end plate are arranged on the first pipe die, and the second end plate and the fourth end plate are arranged on the second pipe die; the front end plate is provided with a first opening, the rear end plate is provided with a second opening, and the first opening is communicated with the second opening; the first pipe die is provided with a pressure control device near the front end plate, and a temperature control device near the rear end plate.
As the preferable technical scheme, the first pipe die and/or the second pipe die comprises an upper cover plate and a lower cover plate, and an inner cavity is formed between the upper cover plate and the lower cover plate and is used for forming the concrete pipe pile.
As the preferable technical scheme, a circle of sealing rubber ring is arranged at the buckling contact position of the first pipe die and the second pipe die, and after the first pipe die and the second pipe die are buckled, the sealing rubber ring seals the buckling gap position of the first pipe die and the second pipe die.
As the preferable technical scheme, the sections of the upper cover plate and the lower cover plate are semicircular, and sealing rubber rings are arranged at the edges of the upper cover plate and the lower cover plate.
As a preferable technical scheme, the device also comprises a carbon dioxide concentration control device, wherein the carbon dioxide concentration control device comprises a probe for monitoring the carbon dioxide concentration in the lumen.
As the preferable technical scheme, the device also comprises a compressor which is connected with the carbon dioxide concentration control device in a signal manner and used for controlling the flow of carbon dioxide in the maintenance process.
As a preferable embodiment, the carbon dioxide concentration control device is provided in the rear end plate.
As the preferable technical scheme, the air pump is further arranged at the second opening.
As a preferable technical scheme, the air pump is connected with the carbon dioxide gas recovery device, and carbon dioxide extracted from the pipe die enters the carbon dioxide gas recovery device.
As the preferable technical scheme, the first pipe die and/or the second pipe die are/is provided with bolts, and after the first pipe die and the second pipe die are buckled, the first pipe die and the second pipe die are fixed by the bolts.
Compared with the prior art, the utility model has the following technical effects: in the technical scheme, because the carbon dioxide gas is totally stored in the pipe cavity of the pipe die and cannot be dispersed into the air, the concrete pipe pile in the pipe die is directly cured to the greatest extent, and the energy loss and the curing time are greatly reduced. And because the carbon dioxide pressure, temperature and concentration control device is increased, carbon dioxide in the pipe cavity is pumped away after the curing process is finished, the multistage cyclic utilization of the carbon dioxide is realized, the loss of carbon dioxide gas in the reaction process is reduced, the curing cost is effectively reduced, the dissipation of the carbon dioxide is reduced, and the carbon dioxide sealing effect is improved.
Description of the drawings:
fig. 1 is a schematic structural diagram of a carbon dioxide curing device for concrete pipe piles according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram II of a carbon dioxide curing device for concrete pipe piles according to the embodiment of the utility model;
FIG. 3 is a schematic diagram III of a carbon dioxide curing device for concrete pipe piles according to the embodiment of the utility model;
FIG. 4 is a schematic structural view of a sealing rubber ring according to an embodiment of the present utility model;
reference numerals illustrate:
a pipe die 1; a first pipe die 11; an upper cover plate 111; a lower cover plate 112; a second pipe die 12; a front end plate 21; a first end plate 211; a second end plate 212; a first opening 213; a rear end plate 22; a third terminal plate 221; a fourth end plate 222; a second opening 223; a sealing rubber ring 3; a pressure control device 4; and a temperature control device 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. In the description of the present utility model, it should be noted that the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are within the scope of the utility model based on the embodiments of the utility model.
Examples
1-4, a structural schematic diagram of a carbon dioxide curing device for concrete pipe piles is provided, the curing device comprises a pipe die 1, the pipe die 1 comprises a pipe body, end plates and an inner cavity, and the end plates are positioned at two ends of the pipe body; the pipe die 1 comprises a first pipe die 11 and a second pipe die 12, the first pipe die 11 and the second pipe die 12 can be buckled together, a pipe cavity is formed in the pipe body, the first pipe die 11 and/or the second pipe die 12 comprises an upper cover plate 111 and a lower cover plate 112, an inner cavity is formed in the middle of the upper cover plate 111 and the lower cover plate 112, and the inner cavity is used for forming a concrete pipe pile. It will be appreciated by those skilled in the art that a through hole is provided between the lower cover plate 112 and the upper cover plate 111 so that carbon dioxide gas enters the inner chamber.
Preferably, as shown in fig. 3 and 4, a circle of sealing rubber ring 3 is arranged at the buckling contact position of the first pipe die 11 and the second pipe die 12, and after the first pipe die 11 and the second pipe die 12 are buckled, the sealing rubber ring 3 seals the buckling gap position of the first pipe die 11 and the second pipe die 12.
Preferably, the cross sections of the upper cover plate 111 and the lower cover plate 112 are semicircular, and the edges of the upper cover plate 111 and the lower cover plate 112 are provided with sealing rubber rings 3.
As shown in fig. 2, the end plates include a front end plate 21 and a rear end plate 22, the front end plate 21 includes a first end plate 211 and a second end plate 212, and the rear end plate 22 includes a third end plate 221 and a fourth end plate 222; wherein, the first end plate 211 and the third end plate 221 are arranged on the first pipe die 11, and the second end plate 212 and the fourth end plate 222 are arranged on the second pipe die 12; the front end plate 21 is provided with a first opening 213, the rear end plate 22 is provided with a second opening 223, and the first opening 213 and the second opening 223 communicate.
As shown in fig. 1, wherein the first pipe die 11 is provided with a pressure control device 4 near the front end plate 21 and a temperature control device 5 near the rear end plate 22. Preferably, the device also comprises a carbon dioxide concentration control device, wherein the carbon dioxide concentration control device comprises a probe for monitoring the carbon dioxide concentration in the pipe cavity.
Preferably, the device also comprises a compressor, not shown in the figure, and the compressor is in signal connection with the carbon dioxide concentration control device and is used for controlling the flow of carbon dioxide in the maintenance process. In some preferred embodiments, the carbon dioxide concentration control means is provided in the rear end plate 22.
In some preferred embodiments, an air pump, not shown, is also included, the air pump being disposed at the second opening 223. The air pump is connected with the carbon dioxide gas recovery device, and carbon dioxide extracted from the pipe die enters the carbon dioxide gas recovery device.
Preferably, the first pipe die 11 and/or the second pipe die 12 are provided with bolts, and after the first pipe die 11 and the second pipe die 12 are engaged, the first pipe die 11 and the second pipe die 12 are fixed by the bolts.
When the pipe pile is produced, the first pipe die 11 is fixed, concrete is poured into the inner cavity of the first pipe die 11, the second pipe die 12 is hoisted, the first pipe die 11 and the second pipe die 12 are fixedly connected through bolts, the sealing rubber ring 3 is used for sealing, the whole pipe die is rotated at a high speed through the centrifugal machine, and the concrete is centrifugally molded in the pipe die to form a hollow tubular cylinder. And then carrying out carbon dioxide curing, wherein compressed air is required to carry out tightness test before formal curing, and high-purity carbon dioxide gas is introduced after the air passes the tightness test. During curing, high-purity carbon dioxide is introduced from the first opening 213 of the front end plate 21, the carbon dioxide enters the lumen of the pipe die, the carbon dioxide gradually discharges air in the lumen, and the first opening 213 is closed until the reaction pressure is reached after the carbon dioxide is completely discharged. The pressure of the carbon dioxide is integrally raised to 0.2MPA, then the flow of the carbon dioxide is controlled, the temperature in the pipe cavity is not higher than 60 ℃, after the concrete pipe pile is initially set, the pressure is constant for 3 hours, and finally the maintenance is completed.
During the period, along with the continuous fixation of carbon dioxide gas in the tubular pile, the gas pressure in the lumen of the tubular mould can be reduced, after exceeding a critical value, the pressure control device 4 is started, and the carbon dioxide gas is continuously introduced into the lumen through the second opening 223 to ensure the reaction condition, so that the high-purity carbon dioxide gas forms the curing of the concrete tubular pile in the lumen. After the curing process is finished, the air pump arranged at the second opening 223 of the rear end plate 22 is started to pump out the carbon dioxide gas in the pipe cavity to be used as the next curing process.
In the curing process, the carbon dioxide gas reacts in the first pipe die 11 and the second pipe die 12 to release heat, so that the temperature in the pipe cavity of the pipe die can be quickly increased, and along with the continuous curing, if the temperature exceeds the preset temperature, the temperature control device 5 is started, and the reaction temperature is reduced by injecting circulating water.
According to the utility model, the concrete pipe pile is cured through the carbon dioxide mineralization reaction, so that high-purity carbon dioxide gas is stored in the pipe die in the curing process and cannot be dispersed into air, carbon dioxide sealing is realized to the maximum extent, and high-purity carbon dioxide loss is greatly reduced.
Claims (10)
1. A concrete tubular pile carbon dioxide curing means, characterized by comprising: the pipe die comprises a pipe body, end plates and an inner cavity, wherein the end plates are positioned at two ends of the pipe body; the pipe die comprises a first pipe die and a second pipe die, and the first pipe die and the second pipe die can be buckled together; a pipe cavity is formed in the pipe body; the end plates comprise a front end plate and a rear end plate, the front end plate comprises a first end plate and a second end plate, and the rear end plate comprises a third end plate and a fourth end plate; the first end plate and the third end plate are arranged on the first pipe die, and the second end plate and the fourth end plate are arranged on the second pipe die; the front end plate is provided with a first opening, the rear end plate is provided with a second opening, and the first opening and the second opening are communicated; the first pipe die is provided with a pressure control device close to the front end plate, and a temperature control device close to the rear end plate.
2. The carbon dioxide curing apparatus for concrete pipe piles according to claim 1, wherein the first pipe die and/or the second pipe die comprises an upper cover plate and a lower cover plate, and an inner cavity is formed between the upper cover plate and the lower cover plate, and is used for forming the concrete pipe piles.
3. The carbon dioxide curing device for concrete pipe piles according to claim 2, wherein a circle of sealing rubber rings are arranged at buckling contact positions of the first pipe die and the second pipe die, and after the first pipe die and the second pipe die are buckled, buckling gaps of the first pipe die and the second pipe die are sealed by the sealing rubber rings.
4. A concrete pipe pile carbon dioxide curing device according to claim 3, wherein the cross sections of the upper cover plate and the lower cover plate are semicircular, and the sealing rubber rings are arranged at the edges of the upper cover plate and the lower cover plate.
5. The concrete tubular pile carbon dioxide maintenance device of claim 1, further comprising a carbon dioxide concentration control device comprising a probe for monitoring the carbon dioxide concentration within the lumen.
6. The concrete tubular pile carbon dioxide curing device according to claim 5, further comprising a compressor in signal connection with the carbon dioxide concentration control device for controlling carbon dioxide flow during curing.
7. The concrete pipe pile carbon dioxide curing apparatus according to claim 5, wherein the carbon dioxide concentration control apparatus is provided to the rear end plate.
8. The concrete tubular pile carbon dioxide curing device of claim 1, further comprising an air pump, wherein the air pump is disposed at the second opening.
9. A concrete pipe pile carbon dioxide curing apparatus according to claim 8, wherein the air pump is connected to a carbon dioxide gas recovery apparatus, and carbon dioxide extracted from the pipe die enters the carbon dioxide gas recovery apparatus.
10. The concrete pipe pile carbon dioxide curing device according to claim 1, wherein the first pipe die and/or the second pipe die are/is provided with bolts, and after the first pipe die and the second pipe die are buckled, the first pipe die and the second pipe die are fixed by the bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320772265.8U CN220218990U (en) | 2023-04-10 | 2023-04-10 | Concrete tubular pile carbon dioxide curing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320772265.8U CN220218990U (en) | 2023-04-10 | 2023-04-10 | Concrete tubular pile carbon dioxide curing means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220218990U true CN220218990U (en) | 2023-12-22 |
Family
ID=89184844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320772265.8U Active CN220218990U (en) | 2023-04-10 | 2023-04-10 | Concrete tubular pile carbon dioxide curing means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220218990U (en) |
-
2023
- 2023-04-10 CN CN202320772265.8U patent/CN220218990U/en active Active
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