CN217573386U - Special curing means of high performance concrete - Google Patents
Special curing means of high performance concrete Download PDFInfo
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- CN217573386U CN217573386U CN202120633830.3U CN202120633830U CN217573386U CN 217573386 U CN217573386 U CN 217573386U CN 202120633830 U CN202120633830 U CN 202120633830U CN 217573386 U CN217573386 U CN 217573386U
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Abstract
The utility model discloses a special curing means of high performance concrete, include: the maintenance body is internally divided into an upper chamber and a lower chamber by a hollow partition plate; the upper chamber is provided with a chamber door; the lower chamber is provided with a curing liquid inlet, a curing liquid outlet, a liquid changing inlet and a liquid changing outlet; the primary temperature and humidity control assembly is arranged in the lower cavity and comprises a heater and a refrigerator which are arranged in the maintenance liquid; the second-stage temperature and humidity control assembly is arranged in the upper chamber and comprises an atomizer and a mist nozzle which are arranged at the top of the maintenance body; and the constant temperature control assembly is communicated with the liquid exchange inlet and the liquid exchange outlet and comprises a circulating pump and a heat exchanger. The utility model discloses realize the constancy of temperature in the curing means, improve maintenance efficiency.
Description
Technical Field
The utility model relates to a concrete maintenance field. More specifically speaking, the utility model relates to a special curing means of high performance concrete.
Background
The high-performance concrete has various mechanical properties required by a concrete structure, such as high durability, high workability, high volume stability and high strength. Compared with the common concrete, the early strength of the high-performance concrete is increased rapidly, the early strength of the high-performance concrete can reach 60% of the designed strength in 3 days generally, and the early strength of the high-performance concrete can reach 80% of the designed strength in 7 days, so that the early maintenance of the high-performance concrete is particularly important. The curing time of the high-performance concrete is not less than 14 days, and the surface of the concrete needs to be kept wet during the curing period. The stability of the temperature and humidity of the existing concrete curing device can not be guaranteed all the time, so that a concrete curing device capable of keeping the temperature and humidity constant is urgently needed.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model discloses still another purpose provides a special curing means of low high performance concrete, and it can realize the constancy of temperature in the curing means, improves maintenance efficiency.
In order to achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a special maintenance device for high-performance concrete, comprising:
the maintenance body is internally divided into an upper chamber and a lower chamber by a hollow partition plate; the upper chamber is provided with a chamber door; the lower chamber is provided with a maintenance liquid inlet, a maintenance liquid outlet, a liquid changing inlet and a liquid changing outlet;
the primary temperature and humidity control assembly is arranged in the lower cavity and comprises a heater and a refrigerator which are arranged in the curing liquid;
the second-stage temperature and humidity control assembly is arranged in the upper chamber and comprises an atomizer and a mist nozzle which are arranged at the top of the maintenance body; and
and the constant temperature control assembly is communicated with the liquid change inlet and the liquid change outlet and comprises a circulating pump and a heat exchanger.
Preferably, the special high-performance concrete curing device further comprises a control assembly, wherein the control assembly comprises a pair of temperature and humidity sensors, a temperature sensor and a control cabinet; the pair of temperature and humidity sensors are respectively arranged above and below the hollow partition plate; the temperature sensor is arranged in the curing liquid; the pair of temperature and humidity sensors, the temperature sensor, the heater, the refrigerator and the atomizer are all connected to the control cabinet.
Preferably, the curing liquid is water.
Preferably, the liquid changing inlet and the liquid changing outlet are both provided with filter screens.
Preferably, the special curing device for high-performance concrete further comprises a water tank, wherein the water tank is arranged on the curing body and is communicated with the atomizer.
Preferably, the maintenance body is further provided with an exhaust hole.
Preferably, the special curing device for high-performance concrete further comprises a circulating air assembly which is communicated with the two exhaust holes on the curing body.
The utility model discloses at least, include following beneficial effect: one of the two parts is that the special curing device for high-performance concrete mainly aims at the curing of a high-performance concrete test block, the humidity adjusting function is arranged above and below the test block, the stability of the humidity in the curing device is ensured, the temperature adjustment of the curing liquid is realized by depending on the adjustment of a heater and a refrigerator, and the curing liquid is communicated with a heat exchanger, so that the stability of the temperature of the curing liquid is ensured, and the curing effect of the concrete test block is improved; secondly, the special high-performance concrete curing device provided by the utility model has good control stability, is simple to operate, does not need manual adjustment, ensures the stability of the curing process, and influences the performance of the concrete; thirdly, the utility model provides a method of accuse humiture in special curing means of high performance concrete can use large-scale concrete curing equipment, carries out whole maintenance to high performance concrete.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of the special high-performance concrete curing device according to a technical scheme of the present invention;
fig. 2 is a schematic structural view of the special curing device for high-performance concrete in another technical scheme of the present invention.
Detailed Description
The present invention is described in further detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1, the utility model provides a special curing means of high performance concrete, include:
the maintenance body is internally divided into an upper chamber and a lower chamber by a hollow clapboard 6; the upper chamber is provided with a chamber door 2; the lower chamber is provided with a curing liquid inlet 7, a curing liquid outlet 16, a liquid changing inlet 8 and a liquid changing outlet 9;
the primary temperature and humidity control assembly is arranged in the lower cavity and comprises a heater 13 and a refrigerator 10 which are arranged in the maintenance liquid;
the second-stage temperature and humidity control assembly is arranged in the upper chamber and comprises an atomizer 3 and a mist nozzle 4 which are arranged at the top of the maintenance body; and
and the constant temperature control assembly is communicated with the liquid change inlet 8 and the liquid change outlet 9 and comprises a circulating pump 14 and a heat exchanger 15.
In the technical scheme, the concrete test block is placed on the hollow partition plate 6, the lower cavity of the device is filled with the curing liquid, and the temperature of the curing liquid is controlled by a heater and a refrigerator to serve as a constant temperature means; heater and refrigerator can make the maintenance liquid heat up or cool down rapidly for the difference in temperature is too big in a period, influence the maintenance effect of concrete test block, after will maintaining liquid and 15 intercommunications of heat exchanger, can overcome the defect of heater and refrigerator instantaneous heating up or cooling, as the 15 circulation effects of enhancement level constant temperature means heat exchanger, the flow is big more, the temperature of maintenance liquid is more stable in the device, guarantee several days maintenance in-process, concrete test block surface temperature is invariable all the time. The existing humidity in the device is maintained by the lower cavity curing liquid in the device, the atomizer 3 arranged in the upper cavity is used for supplementing humidity adjustment, the atomizer 3 changes water into tiny water drops suspended in the air, atomized fog contains a large amount of tiny water fog drops, the instantaneous humidity of the surface of a concrete test block cannot be changed instantaneously, and the surface humidity of the concrete is guaranteed. To sum up, curing means can guarantee that concrete surface temperature, inside temperature all do not have too big difference with the ambient temperature who contacts, improve concrete curing effect.
In the technical scheme, firstly, a liquid changing inlet 8 and a liquid changing outlet 9 are well connected with a ring pump 14 and a heat exchanger 15, the temperature of the curing liquid is set to be 28 ℃ according to the room temperature condition, the temperature is high, a refrigerator starts to work, the temperature is low, a heater starts to work, the circulating pump 14 is started, the heat exchanger 15 continuously works, the temperature of the curing liquid is maintained at 28 ℃, and after the temperature of the curing liquid is stable, a concrete test block is placed on a hollow partition plate 6; set for 3 hours of interval time of atomizer 3 work and atomizing volume to be 20L water, set for the above-below relative humidity minimum value of fretwork baffle 6 and be 40%, when the relative humidity of the above-below of fretwork baffle drops to the minimum value, atomizer 3 works at once, atomizing volume is 10L water, guarantees that the concrete surface is moist, and the maintenance time is 14 days. The concrete test blocks obtained under the same conditions are taken and naturally cured for 14 days under the conditions of 14 days of underwater curing and room temperature (25 ℃), the resistivity of the three groups of concrete test blocks is measured, the resistivity of the concrete is a parameter which is extremely sensitive to the change of the moisture content in the concrete, the curing effect of the concrete can be evaluated, and the experiment shows that the resistivity of the concrete cured by the curing device is the minimum, the resistivity of the concrete cured in the water is the next time, and the resistivity of the naturally cured concrete test block is the maximum (the resistivity measured at the position of 5cm on the surface of the concrete test block). The smaller the resistivity is, the better the curing effect is, because the concrete has sufficient time for the hydrate to be uniformly dispersed and distributed in the set cement under the appropriate temperature and humidity conditions, so that the concrete is gradually compacted, the water evaporation amount is small, and the resistivity is smaller.
In one technical scheme, the special high-performance concrete curing device further comprises a control assembly, wherein the control assembly comprises a pair of temperature and humidity sensors 5, a temperature sensor 11 and a control cabinet 12; the pair of temperature and humidity sensors 5 are respectively arranged above and below the hollow partition plate 6; the temperature sensor 11 is arranged in the curing liquid; the pair of temperature and humidity sensors 5, the temperature sensor 11, the heater 13, the refrigerator 10 and the atomizer 3 are all connected to the control cabinet 12, the temperature and humidity sensors above and below the hollow partition plate 6 detect the temperature and humidity of the upper side and the lower side of the concrete test block, the temperature of the upper side and the lower side of the concrete test block is controlled to be consistent, the humidity is detected as an auxiliary means, in the working time interval set by the atomizer, the humidity in the device is insufficient, the atomizer can be controlled to work immediately, and the surface humidity of the concrete is guaranteed.
In one technical scheme, the curing liquid is water, is convenient to replace and is friendly to a device.
In one of them technical scheme, trade liquid 8 mouths of advancing and trade liquid export 9 department and all be equipped with the filter screen, prevent that impurity gets into heat exchanger 15 in the maintenance liquid, influence 15 efficiency of heat exchanger and life.
As shown in fig. 2, in one of the technical solutions, the special curing device for high performance concrete further includes a water tank 17, which is disposed on the curing body and is communicated with the atomizer 3 to provide atomized raw materials to supplement humidity to the surface of the concrete.
In one technical scheme, the maintenance body is also provided with an exhaust hole, and the comprehensive measures of heat preservation and heat dissipation are adopted firstly, so that temperature drop or overlarge temperature difference can be prevented; and secondly, the gas generated in the concrete curing process is also discharged.
In one of the technical schemes, the special curing device for the high-performance concrete further comprises a circulating air assembly which is communicated with the two exhaust holes on the curing body to ensure air circulation and exhaust gas generated in the concrete curing process.
To sum up, according to the utility model discloses, the utility model discloses include following beneficial effect at least: the special curing device for the high-performance concrete provided by the utility model mainly aims at the curing of the high-performance concrete test block, the humidity adjusting functions are arranged above and below the test block, the stability of the humidity in the curing device is ensured, the temperature adjustment of the curing liquid is realized by depending on the adjustment of the heater and the refrigerator, and the curing liquid is communicated with the heat exchanger, so that the stability of the temperature of the curing liquid is ensured, and the curing effect of the concrete test block is improved; secondly, the special high-performance concrete curing device provided by the utility model has good control stability, is simple to operate, does not need manual adjustment, ensures the stability of the curing process, and influences the performance of the concrete; thirdly, the utility model provides a method of accuse humiture in special curing means of high performance concrete can use large-scale concrete curing equipment, carries out whole maintenance to high performance concrete.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (7)
1. Special curing means of high performance concrete, its characterized in that includes:
the maintenance body is internally divided into an upper chamber and a lower chamber by a hollow clapboard; the upper chamber is provided with a chamber door; the lower chamber is provided with a maintenance liquid inlet, a maintenance liquid outlet, a liquid changing inlet and a liquid changing outlet;
the primary temperature and humidity control assembly is arranged in the lower cavity and comprises a heater and a refrigerator which are arranged in the maintenance liquid;
the second-stage temperature and humidity control assembly is arranged in the upper chamber and comprises an atomizer and a mist nozzle which are arranged at the top of the curing body; and
and the constant temperature control assembly is communicated with the liquid exchange inlet and the liquid exchange outlet and comprises a circulating pump and a heat exchanger.
2. A special maintenance device for high performance concrete according to claim 1, further comprising a control assembly including a pair of temperature and humidity sensors, a temperature sensor and a control cabinet; the pair of temperature and humidity sensors are respectively arranged above and below the hollow partition plate; the temperature sensor is arranged in the curing liquid; the pair of temperature and humidity sensors, the temperature sensor, the heater, the refrigerator and the atomizer are all connected to the control cabinet.
3. The special curing device for high-performance concrete according to claim 1, wherein the curing liquid is water.
4. The special curing device for high-performance concrete according to claim 1, wherein the liquid-changing inlet and the liquid-changing outlet are provided with filter screens.
5. The special maintenance device of high performance concrete of claim 1, further comprising a water tank disposed above the maintenance body and communicating with the atomizer.
6. The special curing device for high-performance concrete as claimed in claim 1, wherein the curing body is further provided with an air vent.
7. A special curing device for high-performance concrete according to claim 6, further comprising a circulating air assembly which communicates with the two air vents on the curing body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120633830.3U CN217573386U (en) | 2021-03-29 | 2021-03-29 | Special curing means of high performance concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120633830.3U CN217573386U (en) | 2021-03-29 | 2021-03-29 | Special curing means of high performance concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217573386U true CN217573386U (en) | 2022-10-14 |
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ID=83526705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120633830.3U Active CN217573386U (en) | 2021-03-29 | 2021-03-29 | Special curing means of high performance concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217573386U (en) |
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2021
- 2021-03-29 CN CN202120633830.3U patent/CN217573386U/en active Active
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