The utility model provides a self circulation cooling thermoelectric power generation coal pipe, including: laminated steel pipe, laminated steel pipe comprises an outer tube and inner tube, outer tube, the upper end and the lower end portion and the inner tube part corresponding to the sealing connection ring cavity is formed between the outer tube and inner tube part, inner tube portion along the radial direction with the inner gas pores, outer tube part is provided along the radial gas pores, corresponding to inner gas and gas micro porous, laminated steel pipe provided with a water pipe, water pipe penetrates through the outer tube and inner tube, and the inner cavity and the laminated steel pipe is communicated with the branch pipe, water injection a water circulation pipe connection valves; copper, copper spiral around the outer side of the circulating pipe on the inner tube portion, the two ends of the upper ring cavity through the interlayer pipe, and the relative formation of inlet and outlet, between the water inlet and a water outlet connection The utility model is characterized in that the utility model is characterized in that the utility model is characterized in that the utility model is characterized in that the utility model is characterized in that the utility model is provided with a miniature water pump, a semiconductor thermoelectric power generation sheet, and the utility model is arranged on the inner surface of the inner pipe part of the sandwich steel pipe.
【技术实现步骤摘要】
本技术涉及一种自循环降温装置,尤其是一种煤场温差发电自循环降温钢管。
技术介绍
煤是一种重要燃料。煤堆中的煤与空气接触会发生氧化反应,放出热量使煤堆的温度升高,温度上升又会加速煤的氧化反应速度,这样,就使煤堆的温度越来越高,当温度超过煤的自燃点时,就会自燃。煤自燃的主要原因是由于通风不畅导致的热量积累,由于外层煤的热量能够得到散发,所以煤的自燃都是从内开始,逐渐向外扩展。为了减少煤堆自燃,目前常采取定期倒场、压实煤层、表层覆盖粘土或石灰、撒水喷淋等降温措施,其中:定期倒场会耗费大量的人力物力;用推土机将煤层压实,可以减少煤堆的空隙度,赶走部分空气,减少煤与氧气的接触,但该方式效率低,成本高;铺盖粘土会增加煤的灰分,对煤质要求较高的情况下不适用;在煤堆表面喷洒凝体材料,可阻止外界空气向煤堆内部渗透,防止煤堆自燃,该方法适应性较广,但成本较高,而且增加煤的灰分,对煤质有影响;在煤场周边设置喷洒水设施,定期向煤堆喷洒水,使煤堆保持适当的水分能延长煤的氧化期,能有效防止煤自燃,还能够防止煤场扬尘,但由于洒水量难以把握,会带来较大的淡水消耗,并导致煤的全水分较高,影响煤的品质和输煤系统正常工作,另外,洒水会导致煤的低位热值降低,煤层内水分充盈还会导致煤的黏性加大,大大降低煤堆透气散热性,会进一步加剧煤堆自燃的风险。有鉴于此,本设计人根据多年从事本领域和相关领域的生产设计经验,研制出一种煤场温差发电自循环降温钢管,以期解决现有技术存在的问题。
技术实现思路
本技术的目的是在于提供一种煤场温差发电自循环降温钢管,其利用煤堆表面和内部的温差发电,驱动微型水泵,使内部水介质循环携 ...
【技术保护点】
一种煤场温差发电自循环降温钢管,其特征在于,所述煤场温差发电自循环降温钢管包括:一夹层钢管,所述夹层钢管包括一外管部及一内管部,所述外管部与内管部的上端及下端对应密封连接,所述外管部的内侧面与所述内管部的外侧面之间则形成一环腔,所述内管部上沿径向设有多个内导气微孔,而所述外管部上沿径向则设有多个外导气微孔,各所述内导气微孔与各所述外导气微孔的位置相对应,所述夹层钢管的侧壁上另设有一注水支管,所述注水支管靠近所述夹层钢管的上端,其对应穿设所述外管部及内管部,并与所述夹层钢管的内腔相连通,该注水支管上设有一水路连接阀门;一铜质循环水管,位于所述环腔中,所述铜质循环水管螺旋环绕于所述内管部的外侧面上,其两端部从所述环腔的上端穿出所述夹层钢管,并相对形成一入水口及一出水口,所述入水口及出水口之间连接有一微型水泵;一半导体温差发电片,其贴合在所述夹层钢管的内管部的内侧面上,并靠近所述夹层钢管的下端口处,所述微型水泵与所述半导体温差发电片为电连接。
【技术特征摘要】
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