CN111844457A - Concrete aggregate precooling device and using method thereof - Google Patents
Concrete aggregate precooling device and using method thereof Download PDFInfo
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- CN111844457A CN111844457A CN202010787801.2A CN202010787801A CN111844457A CN 111844457 A CN111844457 A CN 111844457A CN 202010787801 A CN202010787801 A CN 202010787801A CN 111844457 A CN111844457 A CN 111844457A
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- concrete
- water pipe
- heat preservation
- temperature
- pressure water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
- B28C7/0023—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust by heating or cooling
- B28C7/0038—Cooling, e.g. using ice
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- Dispersion Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a concrete grit material precooling device and a use method thereof, and relates to the technical field of concrete cooling. The concrete aggregate precooling device and the use method thereof firstly determine the cooling temperature required by the aggregate according to the requirements of the outside air temperature and the temperature of a concrete outlet, an air cooling port is arranged at the lower part of each storage bin of a mixing plant, a dense grid is arranged at an air outlet to prevent the aggregate from entering, a vent is connected to an insulation box, and a centrifugal blower is arranged in the vent to cool and blow the storage bin. The concrete aggregate precooling device and the use method thereof rely on the bin and the insulation can to carry out cold blowing and high-pressure cold water spraying on the aggregates simultaneously, simplify the production process, facilitate the operation, reduce the operation cost of the system, thereby improving the work efficiency and being beneficial to improving the production quality of mass concrete and concrete in high-temperature areas.
Description
Technical Field
The invention relates to the technical field of concrete cooling, in particular to a concrete aggregate precooling device and a use method thereof.
Background
In the process of mixing concrete, the natural heating of aggregate and the reaction of cement are main reasons for the temperature rise of the concrete, and because the concrete is a hot poor conductor and is easy to generate temperature stress to cause concrete cracks, the primary temperature of the concrete is controlled and important. In the concrete raw material, sand accounts for about 85% of the total mass of the concrete, and the temperature of coarse aggregate and sand has the greatest influence on the concrete discharging temperature, so in order to reduce the discharging temperature of the concrete, the most effective method is to reduce the temperature of sand and stone aggregate.
Therefore, the applicant inherits the experience of abundant design development and actual manufacturing of the related industry for many years, researches and improves the existing structure and deficiency, and provides a concrete grit material precooling device and a using method thereof so as to achieve the aim of achieving more practical value.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a concrete grit material precooling device and a use method thereof, which solve the problem that the temperature of concrete is increased due to natural heating of aggregate and reaction of cement in the process of mixing the concrete.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a concrete grit material precooling apparatus, includes a plurality of components of a whole that can function independently module, the components of a whole that can function independently module includes high-pressure water pipe, high pressure nozzle connects high-pressure water pipe's end, air pipe air intake is provided with and has centrifugal blower and close net bars, close net bars connect air pipe and insulation can, the insulation can sub-unit connection high-pressure water pipe.
Preferably, a pressurizing device is arranged at the end part of the high-pressure water pipe.
Preferably, a filter screen is arranged at the outlet of the air outlet.
Preferably, a stainless steel grating is arranged at the lower part in the heat preservation box.
Preferably, the upper part of the heat preservation box is connected with a ventilation pipeline.
A use method of a concrete grit material precooling device comprises the following steps:
s1, determining the cooling temperature required by the aggregate according to the external air temperature and the temperature requirement of the concrete outlet;
s1, unloading the material bin, cutting an air outlet, installing a filter screen, and tightly connecting the air outlet with a ventilation pipeline;
s3 centrifugal blower is arranged at air inlet of thermal insulation box of ventilation duct, and the bottom of centrifugal blower is provided with a base balance bracket
S4, folding the heat preservation box by A3 steel, pasting heat preservation cotton outside, arranging a stainless steel grid at the middle lower part, and connecting a high-pressure water pipe at the bottom;
s5, mounting a high-pressure nozzle at the end of the high-pressure water pipe, wherein the high-pressure nozzle is fixed by a bracket;
s6, the high-pressure nozzle (3) is used for conveying a belt and a feeding port of the storage bin aiming at the feeding port of the storage bin;
and S7, storing ice in the heat preservation box according to the external temperature and the temperature requirements of the concrete and the outlet of the concrete, and starting a centrifugal blower and a high-pressure water pipe pump to produce the pre-cooled concrete aggregate.
(III) advantageous effects
The invention provides a concrete aggregate precooling device and a use method thereof. The method has the following beneficial effects:
the concrete aggregate precooling device comprises a support insulation can for storing ice, a blowing device and a high-pressure water pipe for spraying, the efficiency maximization of the aggregate precooling is realized by multiple modes, the cold water can be recycled, the output temperature of the concrete is reduced by the device, the generation of concrete cracks is prevented, and the integrity of the structure and the engineering construction quality are ensured.
Drawings
Fig. 1 is a schematic diagram of a front view of a module of a concrete aggregate precooling device.
In the figure: 1. a high pressure water pipe; 2. a virtual air outlet trend; 3. a high pressure spray head; 4. an air outlet; 5. a ventilation duct; 6 a centrifugal blower; 7. a stainless steel grating; 8. and (4) an incubator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a concrete grit material precooling apparatus, including a plurality of components of a whole that can function independently module, the components of a whole that can function independently module includes high-pressure water pipe 1, high pressure nozzle 3 connects high-pressure water pipe 1's end, air pipe 5 air intake is provided with and has centrifugal blower 6 and close net bars, close net bars connect air pipe 5 and insulation can 8, 8 sub-unit connections high-pressure water pipe 1 of insulation can, the tip of high-pressure water pipe 1 is provided with pressure device, 4 exports of air outlet are provided with the filter screen, 8 middle and lower parts of insulation can set up stainless steel grid 7, 8 upper portions.
A use method of a concrete grit material precooling device comprises the following steps:
s1, determining the cooling temperature required by the aggregate according to the external air temperature and the temperature requirement of the concrete outlet;
s1, unloading the material bin, cutting an air outlet 4, installing a filter screen, and tightly connecting the air outlet 4 with a ventilation pipeline 5;
s3 centrifugal blower 6 is arranged at air inlet of thermal insulation box of ventilation duct, and the bottom of centrifugal blower 6 is provided with a basic balance support
S4, the heat preservation box 8 is formed by folding A3 steel, heat preservation cotton is pasted on the outer part, a stainless steel grating 7 is arranged at the middle lower part, and the bottom is connected with a high-pressure water pipe 1;
s5, installing a high-pressure nozzle 3 at the end of the high-pressure water pipe 1, wherein the high-pressure nozzle is fixed by a bracket;
s6, the high-pressure nozzle (3) is used for conveying a belt and a feeding port of the storage bin aiming at the feeding port of the storage bin;
and S7, storing ice in the heat preservation box 8 according to the external temperature and the temperature requirements of the concrete and the outlet of the concrete, and starting the centrifugal blower 6 and the high-pressure water pipe pump to produce the pre-cooled concrete aggregate.
In conclusion, the concrete aggregate precooling device and the use method thereof rely on the storage bin and the insulation can to carry out cold blowing and high-pressure cold water spraying on the aggregates simultaneously, thereby simplifying the production process, being convenient for operation, reducing the running cost of the system, further improving the work efficiency and being beneficial to improving the production quality of mass concrete and concrete in high-temperature areas.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a concrete grit material precooling apparatus, includes a plurality of components of a whole that can function independently module, its characterized in that: the split module comprises a high-pressure water pipe (1), the high-pressure spray nozzle (3) is connected with the tail end of the high-pressure water pipe (1), an air inlet of the ventilation pipeline (5) is provided with a centrifugal blower (6) and a dense grid, the dense grid is connected with the ventilation pipeline (5) and the heat preservation box (8), and the lower part of the heat preservation box (8) is connected with the high-pressure water pipe (1).
2. A concrete aggregate precooling apparatus as recited in claim 1, wherein: the end part of the high-pressure water pipe (1) is provided with a pressurizing device.
3. A concrete aggregate precooling apparatus as recited in claim 1, wherein: and a filter screen is arranged at the outlet of the air outlet (4).
4. A concrete aggregate precooling apparatus as recited in claim 1, wherein: and a stainless steel grating (7) is arranged at the middle lower part of the heat preservation box (8).
5. A concrete aggregate precooling apparatus as recited in claim 1, wherein: the upper part of the heat preservation box (8) is connected with a ventilation pipeline (5).
6. The use method of the concrete grit material precooling device is characterized by comprising the following steps of: the method comprises the following steps:
s1, determining the cooling temperature required by the aggregate according to the external air temperature and the temperature requirement of the concrete outlet;
s1, unloading the material bin, cutting an air outlet (4), installing a filter screen, and tightly connecting the air outlet (4) with a ventilation pipeline (5);
s3 centrifugal blower (6) is arranged at air inlet of heat insulation box of ventilation duct, and the bottom of centrifugal blower (6) is provided with a basic balance bracket
S4, the heat preservation box (8) is formed by folding A3 steel, heat preservation cotton is pasted on the outer part, a stainless steel grating (7) is arranged at the middle lower part, and the bottom of the heat preservation box is connected with a high-pressure water pipe (1);
s5, mounting a high-pressure nozzle (3) at the end of the high-pressure water pipe (1), wherein the high-pressure nozzle is fixed by a bracket;
s6, the high-pressure nozzle (3) is used for conveying a belt and a feeding port of the storage bin aiming at the feeding port of the storage bin;
and S7, storing ice in the heat preservation box (8) according to the external temperature and the temperature requirements of the concrete and the outlet of the concrete, and starting the centrifugal blower (6) and the high-pressure water pipe water pump to produce the pre-cooled concrete aggregate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010787801.2A CN111844457A (en) | 2020-08-07 | 2020-08-07 | Concrete aggregate precooling device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010787801.2A CN111844457A (en) | 2020-08-07 | 2020-08-07 | Concrete aggregate precooling device and using method thereof |
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| CN111844457A true CN111844457A (en) | 2020-10-30 |
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| CN202010787801.2A Pending CN111844457A (en) | 2020-08-07 | 2020-08-07 | Concrete aggregate precooling device and using method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2323942Y (en) * | 1997-12-31 | 1999-06-16 | 长江水利委员会设计局施工研究所 | Ground aggregate conditioning air cooling bin |
| DE202009005112U1 (en) * | 2009-08-06 | 2009-10-22 | Hemack Gmbh | Device for cooling gravel |
| CN201924786U (en) * | 2010-12-16 | 2011-08-10 | 长江勘测规划设计研究有限责任公司 | Air distribution window for aggregate air cooling bin |
| CN102756426A (en) * | 2012-07-06 | 2012-10-31 | 葛洲坝集团第五工程有限公司 | Integrated concrete aggregate pre-cooling and pre-heating device as well as pre-cooling and pre-heating method |
| CN206748747U (en) * | 2017-03-28 | 2017-12-15 | 中国葛洲坝集团第一工程有限公司 | A kind of pre cooling of concrete water cooling aggregate device |
-
2020
- 2020-08-07 CN CN202010787801.2A patent/CN111844457A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2323942Y (en) * | 1997-12-31 | 1999-06-16 | 长江水利委员会设计局施工研究所 | Ground aggregate conditioning air cooling bin |
| DE202009005112U1 (en) * | 2009-08-06 | 2009-10-22 | Hemack Gmbh | Device for cooling gravel |
| CN201924786U (en) * | 2010-12-16 | 2011-08-10 | 长江勘测规划设计研究有限责任公司 | Air distribution window for aggregate air cooling bin |
| CN102756426A (en) * | 2012-07-06 | 2012-10-31 | 葛洲坝集团第五工程有限公司 | Integrated concrete aggregate pre-cooling and pre-heating device as well as pre-cooling and pre-heating method |
| CN206748747U (en) * | 2017-03-28 | 2017-12-15 | 中国葛洲坝集团第一工程有限公司 | A kind of pre cooling of concrete water cooling aggregate device |
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Application publication date: 20201030 |
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