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A heating system, desert sand technology, applied in solar heating systems, lighting and heating equipment, solar thermal energy and other directions, can solve the problems of fast heat dissipation, long sintering time, low efficiency, etc., to achieve less heat loss, good heating effect, heating short time effect
Active Publication Date: 2021-12-21
LOW SPEED AERODYNAMIC INST OF CHINESE AERODYNAMIC RES & DEV CENT
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[0004] However, in the prior art, the heating of desert sand is carried out in an open environment, and there are the following problems: the heat dissipation is fast during heating, and the heat loss is serious, resulting in long sintering time and low efficiency; the size of the heated sand particles is not good The control cannot get the desired target size and cannot meet the needs of the building
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Embodiment 1
[0042] Such as Figure 1-Figure 7 As shown, Embodiment 1 of the present invention provides a desert sand heating system, including a light concentrating component 10, a light transmission component 20, and a sand melting component 30, and the light concentrating component 10 transmits the collected light through the light transmission component 20 Melting component 30 for sand;
[0043] The sand melting assembly 30 includes a melting device 31 and a classifying device 32;
[0044] The grading device 32 can divide the desert sand into coarse sand and fine sand;
[0045] The melting device 31 includes a melting pool 311 and a scraper member 312. The fine sand can be transported into the melting pool 311 by the first conveying member 321. Grooves 31111 are formed on the surface of the melting pool 311. The coarse sand can be transported by the second transport member 322 into the groove 31111;
[0046] The scraper part 312 is rotatably mounted on the melting pool 311 and locat...
Embodiment 2
[0085] Such as Figure 8 As shown, embodiment 2 of the present invention provides a kind of heating method of desert sand, and described method adopts above-mentioned heating system of desert sand, comprises the following steps:
[0086] Step S10: adjust the light concentrating component 10 to face the sun to obtain light energy; transmit the light energy to the melting pool 311 through the light transmission component 20;
[0087] Step S20: put the desert sand into the feeding device 33, the desert sand enters the classifying device 32 through the feeding device 33, and the desert sand is divided into coarse sand and fine sand by the classifying device 32;
[0088] Step S30: Transport the fine sand to the melting pool 311 for sintering through the first transport member 321, and transport the coarse sand into the groove 31111 of the melting pool 311 through the second transport member, so that the sintered fine sand contacts the coarse sand;
[0089] Step S40: Control the ro...
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Abstract
The present invention is applicable to the technical field of casting molding, and provides a desert sand heating system and method. The desert sand heating system includes a light concentrating component, a light transmission component, and a sand melting component. The light concentrating component passes the collected light through The light transmission assembly is passed to the sand melting assembly; the sand melting assembly includes a melting device and a classification device; the classification device can divide the desert sand into coarse sand and fine sand; the melting device includes a melting pool and a scraper part, so The fine sand can be transported into the melting pool by the first conveying member, and a groove is formed on the surface of the melting pool, and the coarse sand can be transported by the second conveying member and flow into the groove; the scraper part is rotatably installed on the On the molten pool and above the groove. The method of the present invention realizes the independence and freedom of light concentrating and sand melting in space, has strong practicability, and can be widely used in engineering. The heating is carried out in a relatively closed environment, with less heat loss and short heating time .
Description
technical field [0001] The invention relates to the field of foundry sand, in particular to a heating system and method for desert sand. Background technique [0002] At present, the destruction of nature by humans is becoming more and more serious, and desertification is also becoming more and more serious. It is urgent to control the desert. The development of "sand industry" is a more effective way to solve the current problem of desertification. Therefore, it is of great significance for the sustainable development of society to use desert sand as a raw material and prepare aggregates that can be used in the construction industry after proper heating treatment in deserts and areas near deserts. [0003] As disclosed in the patent CN108160916A: the present invention relates to the preparation of special-purpose coated sand from desert sand, and the production process of the coated sand, which belongs to the field of modeling materials. The invention provides a method for...
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