CN107216123A - 一种节能砖及其制备方法 - Google Patents
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Abstract
本发明公开了一种节能砖及其制备方法,其中,所述制备方法包括:将淤泥通风干燥处理3‑5天,之后将其干燥,干燥结束后进行破碎筛选,筛选后得到粒径为0.5‑0.9mm的淤泥破碎体,备用;将所述淤泥破碎体、发泡聚苯乙烯颗粒、纤维素醚和水混合后形成浆料,并将所述浆料注入模具中成型,脱模后放入马弗炉中焙烧,冷却后得到所述节能砖,以淤泥为原料来制备节能砖,不仅能解决淤泥淤积问题,而且可以变废为宝。
Description
技术领域
本发明涉及节能砖,特别涉及一种节能砖及其制备方法。
背景技术
随着淤泥产生量的不断增加,对环境、社会造成的压力不断增大,越来越引起了人们对淤泥处理的关注,世界各国对其处理处理及资源化利用也越来越重视。因国情不同,淤泥的处理方式也不尽相同,一般来说,目前国际社会基本存在的共识就是,将河道淤泥作为资源看待,利用科技手段和产业政策导向,按减量化、资源化、无害化、生态化的原则,实现资源的循环利用,变废为宝,才能从根本上解决淤泥淤积问题。若能利用淤泥为原料,将其制备成节能砖使用,一方面可以解决淤泥淤积问题,另一方面可以变废为宝。
发明内容
本发明所要解决的技术问题是提供一种节能砖及其制备方法,以淤泥为原料来制备节能砖,不仅能解决淤泥淤积问题,而且可以变废为宝。
为实现上述目的,本发明提供以下的技术方案:一种节能砖的制备方法,其中,所述制备方法包括:
(1)将淤泥通风干燥处理3-5天,之后将其干燥,干燥结束后进行破碎筛选,筛选后得到粒径为0.5-0.9mm的淤泥破碎体,备用;
(2)将所述淤泥破碎体、发泡聚苯乙烯颗粒、纤维素醚和水混合后形成浆料,并将所述浆料注入模具中成型,脱模后放入马弗炉中焙烧,冷却后得到所述节能砖,其中,
相对于100重量份的淤泥破碎体,所述发泡聚苯乙烯颗粒的用量为20-30重量份,所述纤维素醚的用量为10-15重量份,所述水的用量为20-35重量份。
优选的,所述干燥的温度为100-110℃,干燥时间为12-20h。
优选的,所述焙烧的温度为700-800℃,且焙烧的时间为3-4h。
优选的,所述浆料中还添加有早强剂,相对于100重量份的淤泥破碎体,所述早强剂的用量为1-3重量份。
优选的,所述早强剂原料包括氯化钙、氯化钠和氯化铝。
优选的,所述发泡聚苯乙烯颗粒的粒径为4-8mm。
本发明还提供了一种节能砖,所述节能砖由上述的方法制得。
有益效果:本发明提供了一种节能砖的制备方法,其中,所述制备方法包括:将淤泥通风干燥处理3-5天,之后将其干燥,干燥结束后进行破碎筛选,筛选后得到粒径为0.5-0.9mm的淤泥破碎体,备用;将所述淤泥破碎体、发泡聚苯乙烯颗粒、纤维素醚和水混合后形成浆料,并将所述浆料注入模具中成型,脱模后放入马弗炉中焙烧,冷却后得到所述节能砖,利用淤泥为原料不仅可以解决淤泥淤积的问题,同时也能变废为宝,通过各原料之间的协同作用使得制得的节能砖具备优良的抗压强度和体积密度,同时用于制备该节能砖的方法简单、原料易得。
具体实施方式
下面详细说明本发明的优选实施方式。
实施例1
一种节能砖的制备方法,所述制备方法包括:将淤泥通风干燥处理3天,之后将其干燥(干燥的温度为100℃,时间为12h),干燥结束后进行破碎筛选,筛选后得到粒径为0.5mm的淤泥破碎体,备用;将100g所述淤泥破碎体、20g发泡聚苯乙烯颗粒、10g纤维素醚、1g早强剂和20g水混合后形成浆料,并将所述浆料注入模具中成型,脱模后放入马弗炉中焙烧(焙烧的温度为700℃,时间为3h),冷却后得到所述节能砖A1。
实施例2
一种节能砖的制备方法,所述制备方法包括:将淤泥通风干燥处理5天,之后将其干燥(干燥的温度为110℃,时间为20h),干燥结束后进行破碎筛选,筛选后得到粒径为0.9mm的淤泥破碎体,备用;将100g所述淤泥破碎体、30g发泡聚苯乙烯颗粒、15g纤维素醚、3g早强剂和35g水混合后形成浆料,并将所述浆料注入模具中成型,脱模后放入马弗炉中焙烧(焙烧的温度为800℃,时间为4h),冷却后得到所述节能砖A2。
实施例3
一种节能砖的制备方法,所述制备方法包括:将淤泥通风干燥处理4天,之后将其干燥(干燥的温度为105℃,时间为16h),干燥结束后进行破碎筛选,筛选后得到粒径为0.6mm的淤泥破碎体,备用;将100g所述淤泥破碎体、25g发泡聚苯乙烯颗粒、12g纤维素醚、2g早强剂和30g水混合后形成浆料,并将所述浆料注入模具中成型,脱模后放入马弗炉中焙烧(焙烧的温度为750℃,时间为3.5h),冷却后得到所述节能砖A3。
对比例1
一种节能砖的制备方法,所述制备方法包括:将淤泥通风干燥处理2天,之后将其干燥(干燥的温度为90℃,时间为10h),干燥结束后进行破碎筛选,筛选后得到粒径为0.3mm的淤泥破碎体,备用;将100g所述淤泥破碎体、15g发泡聚苯乙烯颗粒、5g纤维素醚、0.5g早强剂和10g水混合后形成浆料,并将所述浆料注入模具中成型,脱模后放入马弗炉中焙烧(焙烧的温度为650℃,时间为2h),冷却后得到所述节能砖D1。
对比例2
一种节能砖的制备方法,所述制备方法包括:将淤泥通风干燥处理6天,之后将其干燥(干燥的温度为120℃,时间为25h),干燥结束后进行破碎筛选,筛选后得到粒径为1mm的淤泥破碎体,备用;将100g所述淤泥破碎体、40g发泡聚苯乙烯颗粒、20g纤维素醚、5g早强剂和40g水混合后形成浆料,并将所述浆料注入模具中成型,脱模后放入马弗炉中焙烧(焙烧的温度为900℃,时间为6h),冷却后得到所述节能砖D2。
表1
实施例编号 | 抗压强度(MPa) | 体积密度(kg/m3) |
A1 | 38 | 1869 |
A2 | 39 | 1874 |
A3 | 37 | 1852 |
D1 | 15 | 1523 |
D2 | 21 | 1285 |
通过表1可以看出,在本发明范围内制得的节能砖A1-A3其抗压强度和体积密度要高于在本发明范围外制得的节能砖D1和D2,因此,可以实现制得的节能砖优良的机械强度和体积密度。
以上所述的仅是本发明的优选实施方式,应当指出,对于本领域的普通技术人员来说,在不脱离本发明创造构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。
Claims (7)
1.一种节能砖的制备方法,其特征在于,所述制备方法包括:
(1)将淤泥通风干燥处理3-5天,之后将其干燥,干燥结束后进行破碎筛选,筛选后得到粒径为0.5-0.9mm的淤泥破碎体,备用;
(2)将所述淤泥破碎体、发泡聚苯乙烯颗粒、纤维素醚和水混合后形成浆料,并将所述浆料注入模具中成型,脱模后放入马弗炉中焙烧,冷却后得到所述节能砖,其中,
相对于100重量份的淤泥破碎体,所述发泡聚苯乙烯颗粒的用量为20-30重量份,所述纤维素醚的用量为10-15重量份,所述水的用量为20-35重量份。
2.根据权利要求1所述的制备方法,其中,所述干燥的温度为100-110℃,干燥时间为12-20h。
3.根据权利要求1所述的制备方法,其中,所述焙烧的温度为700-800℃,且焙烧的时间为3-4h。
4.根据权利要求1所述的制备方法,其中,所述浆料中还添加有早强剂,相对于100重量份的淤泥破碎体,所述早强剂的用量为1-3重量份。
5.根据权利要求4所述的制备方法,其中,所述早强剂原料包括氯化钙、氯化钠和氯化铝。
6.根据权利要求1所述的制备方法,其中,所述发泡聚苯乙烯颗粒的粒径为4-8mm。
7.一种节能砖,其特征在于,所述节能砖由权利要求1-6中任意一项所述的方法制得。
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CN102211920A (zh) * | 2011-03-04 | 2011-10-12 | 济南大学 | 一种以造纸污泥为原料生产的轻质砖及其制备方法 |
CN106242628A (zh) * | 2016-08-19 | 2016-12-21 | 岳佐星 | 一种利用淤泥制造烧结砖的方法 |
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CN106242628A (zh) * | 2016-08-19 | 2016-12-21 | 岳佐星 | 一种利用淤泥制造烧结砖的方法 |
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