CN111634072A - 一种罐体外的保温系统 - Google Patents
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Abstract
本发明属于保温技术领域,涉及一种罐体外的保温系统,包括保温板、止裂网及保温泡沫层,所述保温板设有多块,相邻的保温板之间通过扣合结构拼接而成,每块保温板均通过紧固件与罐体连接,所述保温板与罐体之间留有间隙,所述保温板的外侧设置有止裂网,所述止裂网的外侧设置有保温泡沫层。与现有技术相比,本发明通过保温板与喷涂工艺的相结合来有效地提高保温能力。解决了保温板所带来的气密性问题,降低了整体保温层的厚度,大大减少了人工及材料的成本。而且当罐体出现漏液时,也能形成次屏障来引流,可以适用于B型罐中。
Description
技术领域
本发明属于保温技术领域,尤其是涉及一种罐体外的保温系统。
背景技术
目前,喷涂聚氨酯保温系统和保温板保温系统已经广泛用于现有船舶的燃料罐以及其他低温罐体。保温板导热系数低,绝热性能好,是目前比较好的保温材料。当使用保温板来进行保温时,即使液罐出现漏液,其保温板结构所形成的次屏障可进行引流,一般多适用于B型罐。然而保温板带来的问题是安装保温板时会出现接缝,导致气密性不好。另外,对比喷涂工艺而言,保温板的厚度也要大得多。当使用喷涂保温时,对于各种形状的液罐,不论是菱形、球形还是其他不规则形状的复杂罐体,都可以直接实施喷涂发泡加工,喷涂聚氨酯成型速度快,生产效率高,人工及材料成本可以大大的降低。但是由于喷涂聚氨酯泡沫不会在保温结构内部留出空隙,也就是不会像保温板结构那般形成次屏障保护,当液罐出现漏液体时不能有效地引流。喷涂工艺也不能像保温板一样能吸收液罐表面的应力变形。
发明内容
本发明的目的就是为了克服上述现有技术存在的缺陷而提供一种罐体外的保温系统。
本发明的目的可以通过以下技术方案来实现:
本发明提供一种罐体外的保温系统,包括保温板、止裂网及保温泡沫层,所述保温板设有多块,相邻的保温板之间通过扣合结构拼接而成,每块保温板均通过紧固件与罐体连接,所述保温板与罐体之间留有间隙,所述保温板的外侧设置有止裂网,所述止裂网的外侧设置有保温泡沫层。
在本发明的一个实施方式中,所述保温板为矩形结构或正方形结构,所述保温板有四个侧边,第一侧边与第二侧边相邻,第三侧边与第四侧边相邻,第三侧边为第一侧边的相对侧,第四侧边为第二侧边的相对侧;相邻保温板对接时,其中一块保温板的第一侧边与另一块保温板的第三侧边扣合连接,其中一块保温板的第二侧边与另一块保温板的第四侧边扣合连接。
在本发明的一个实施方式中,对于其中一块保温板,在所述保温板的第一侧边和第二侧边上设置有具有弹性的柔性材料,使得相邻的保温板之间设置有具有弹性的柔性材料。
在本发明的一个实施方式中,所述保温板的第一侧边与第二侧边的形状相同,所述保温板的第三侧边与第四侧边的形状相同,所述保温板的第一侧边的形状包括两段相平行的斜边,两段相平行的斜边之间形成一凸起与一凹槽,所述凸起的形状能够嵌入凹槽内。这样,相邻保温板对接时,其中一块保温板的第一侧边与另一块保温板的第三侧边能够实现扣合连接,其中一块保温板的第二侧边与另一块保温板的第四侧边能够实现扣合连接。
在本发明的一个实施方式中,所述罐体上焊接有螺栓,所述紧固件与螺栓的配合实现了保温板与罐体之间的连接。将螺栓由电阻焊焊接在液罐表面,对于原有的液罐钢板强度造成的影响近乎于无。同时电阻焊施工方便,速度快,质量可靠。
在本发明的一个实施方式中,所述止裂网覆盖住所述保温板以及相邻两个保温板的对接处。所述止裂网可以防止保温板分层或开裂。
在本发明的一个实施方式中,所述紧固件穿过止裂网。
在本发明的一个实施方式中,所述保温泡沫层的厚度大于保温板的厚度。
在本发明的一个实施方式中,所述保温板为具有闭孔结构的聚苯乙烯泡沫塑料回板材。具有闭孔结构的聚苯乙烯泡沫塑料回板材由可发性聚苯乙烯珠粒经加热预发泡后在模具中加热成型而制得。
在本发明的一个实施方式中,所述保温泡沫层的为聚氨酯硬质泡沫。聚氨酯硬质泡沫是以异氰酸酯和聚醚为主要原料,在发泡剂、催化剂、阻燃剂等多种助剂的作用下,通过设备混合,经高压喷涂现场发泡而成的高分子聚合物。
在本发明的一个实施方式中,所述罐体包括适用于船舶的燃料罐以及其他需要保温的低温罐体。
本发明通过保温板与喷涂工艺的相结合来完成一整套保温系统。主体结构由保温板,止裂网和保温泡沫层组成。首先在罐体表面先安装保温板结构,保温板结构既能够吸收罐体表面所产生的应力,又能在内部留出一定的空隙,当罐体出现漏液时,可以形成次屏障来引流液体。再往安装好的保温板上铺一层止裂网,防止分层或开裂。最后喷涂保温泡沫层,这样能加强整体结构的气密性,有效地降低了保温板层的厚度,以此形成一套完整的保温系统。
本发明通过以下两个方面进行了验证。第一对于罐体在低温循环中模拟的有限元应力分析。第二应用实际模型加速冷却实验来模拟罐体在极端情况下的所遭受的应力。结果证明本申请的罐体外的保温系统在受力以及保温方面均达到标准要求。
本发明通过保温板与喷涂工艺的相结合来有效地提高保温能力。解决了保温板所带来的气密性问题,降低了整体保温层的厚度,大大减少了人工及材料的成本。而且当罐体出现漏液时,也能形成次屏障来引流,可以适用于B型罐中。
与现有技术相比,本发明具有以下优点:
一、使用范围广:可适用于装载各种具有保温层的液罐和燃料罐,也可根据不同形状的液罐和燃料罐做出最优的解决方案。同时改变紧固件与加工面的连接方式,可用于墙体等其它地方的保温。
二、安全可靠:研发过程中,通过多次的模拟冷却循环以及有限元的分析,可确保该方案适用于多种不同的状况下,具有较高的安全系数。
三、气密性好:保温系统融合了喷涂发泡工艺,有效地弥补了保温板结构所带来气密性差的缺点,降低了整体保温层的厚度。
四、功能多样化:此设计能够在罐体漏液时,有效地引流,一般可应用于B型罐,以及能够有效地吸收液罐表面所产生的引力。
五、减轻成本:本发明将极大减少现有系统的成本。现有的系统都是单纯喷涂聚氨酯或者安装保温板来进行保温。本发明通过两者的相结合来提高保温的性能,也大大降低了人工及材料的成本。
附图说明
图1为实施例1中罐体外的保温系统的结构示意图。
图中标号所示:
1、保温泡沫层;
2、止裂网;
3、保温板;
4、罐体;
5、紧固件;
6、螺栓。
具体实施方式
下面结合附图和具体实施例对本发明进行详细说明。
实施例
参考图1,本实施例提供一种罐体外的保温系统,包括保温板3、止裂网2及保温泡沫层1,所述保温板3设有多块,相邻的保温板3之间通过扣合结构拼接而成,每块保温板3均通过紧固件5与罐体4连接,所述保温板3与罐体4之间留有间隙,所述保温板3的外侧设置有止裂网2,所述止裂网2的外侧设置有保温泡沫层1。
本实施例的一种实施方式中,所述保温板3为矩形结构或正方形结构,所述保温板3有四个侧边,第一侧边与第二侧边相邻,第三侧边与第四侧边相邻,第三侧边为第一侧边的相对侧,第四侧边为第二侧边的相对侧;相邻保温板3对接时,其中一块保温板3的第一侧边与另一块保温板3的第三侧边扣合连接,其中一块保温板3的第二侧边与另一块保温板3的第四侧边扣合连接。
本实施例的一种实施方式中,对于其中一块保温板3,在所述保温板3的第一侧边和第二侧边上设置有具有弹性的柔性材料,使得相邻的保温板3之间设置有具有弹性的柔性材料。
本实施例的一种实施方式中,所述保温板3的第一侧边与第二侧边的形状相同,所述保温板3的第三侧边与第四侧边的形状相同,所述保温板3的第一侧边的形状包括两段相平行的斜边,两段相平行的斜边之间形成一凸起与一凹槽,所述凸起的形状能够嵌入凹槽内。这样,相邻保温板对接时,其中一块保温板的第一侧边与另一块保温板的第三侧边能够实现扣合连接,其中一块保温板的第二侧边与另一块保温板的第四侧边能够实现扣合连接。
本实施例的一种实施方式中,所述罐体4上焊接有螺栓6,所述紧固件5与螺栓6的配合实现了保温板3与罐体4之间的连接。将螺栓由电阻焊焊接在液罐表面,对于原有的液罐钢板强度造成的影响近乎于无。同时电阻焊施工方便,速度快,质量可靠。
本实施例中,所述止裂网2覆盖住所述保温板3以及相邻两个保温板3的对接处。所述止裂网2可以防止保温板3分层或开裂。
本实施例中,所述紧固件5穿过止裂网2。
本实施例中,所述保温泡沫层1的厚度大于保温板3的厚度。
本实施例中,所述保温板3为具有闭孔结构的聚苯乙烯泡沫塑料回板材。具有闭孔结构的聚苯乙烯泡沫塑料回板材由可发性聚苯乙烯珠粒经加热预发泡后在模具中加热成型而制得。
本实施例中,所述保温泡沫层1的为聚氨酯硬质泡沫。聚氨酯硬质泡沫是以异氰酸酯和聚醚为主要原料,在发泡剂、催化剂、阻燃剂等多种助剂的作用下,通过设备混合,经高压喷涂现场发泡而成的高分子聚合物。
本实施例中,所述罐体4包括适用于船舶的燃料罐以及其他需要保温的低温罐体。
本实施例通过保温板与喷涂工艺的相结合来完成一整套保温系统。主体结构由保温板,止裂网和保温泡沫层组成。首先在罐体表面先安装保温板结构,保温板结构既能够吸收罐体表面所产生的应力,又能在内部留出一定的空隙,当罐体出现漏液时,可以形成次屏障来引流液体。再往安装好的保温板上铺一层止裂网,防止分层或开裂。最后喷涂保温泡沫层,这样能加强整体结构的气密性,有效地降低了保温板层的厚度,以此形成一套完整的保温系统。
上述的对实施例的描述是为便于该技术领域的普通技术人员能理解和使用发明。熟悉本领域技术的人员显然可以容易地对这些实施例做出各种修改,并把在此说明的一般原理应用到其他实施例中而不必经过创造性的劳动。因此,本发明不限于上述实施例,本领域技术人员根据本发明的揭示,不脱离本发明范畴所做出的改进和修改都应该在本发明的保护范围之内。
Claims (10)
1.一种罐体外的保温系统,其特征在于,包括保温板(3)、止裂网(2)及保温泡沫层(1),所述保温板(3)设有多块,相邻的保温板(3)之间通过扣合结构拼接而成,每块保温板(3)均通过紧固件(5)与罐体(4)连接,所述保温板(3)与罐体(4)之间留有间隙,所述保温板(3)的外侧设置有止裂网(2),所述止裂网(2)的外侧设置有保温泡沫层(1)。
2.根据权利要求1所述罐体外的保温系统,其特征在于,所述保温板(3)为矩形结构或正方形结构,所述保温板(3)有四个侧边,第一侧边与第二侧边相邻,第三侧边与第四侧边相邻,第三侧边为第一侧边的相对侧,第四侧边为第二侧边的相对侧;相邻保温板(3)对接时,其中一块保温板(3)的第一侧边与另一块保温板(3)的第三侧边扣合连接,其中一块保温板(3)的第二侧边与另一块保温板(3)的第四侧边扣合连接。
3.根据权利要求2所述罐体外的保温系统,其特征在于,对于其中一块保温板(3),在所述保温板(3)的第一侧边和第二侧边上设置有具有弹性的柔性材料,使得相邻的保温板(3)之间设置有具有弹性的柔性材料。
4.根据权利要求2所述罐体外的保温系统,其特征在于,所述保温板(3)的第一侧边与第二侧边的形状相同,所述保温板(3)的第三侧边与第四侧边的形状相同,所述保温板(3)的第一侧边的形状包括两段相平行的斜边,两段相平行的斜边之间形成一凸起与一凹槽,所述凸起的形状能够嵌入凹槽内。
5.根据权利要求1所述罐体外的保温系统,其特征在于,所述罐体(4)上焊接有螺栓(6),所述紧固件(5)与螺栓(6)的配合实现了保温板(3)与罐体(4)之间的连接。
6.根据权利要求1所述罐体外的保温系统,其特征在于,所述止裂网(2)覆盖住所述保温板(3)以及相邻两个保温板(3)的对接处。
7.根据权利要求1所述罐体外的保温系统,其特征在于,所述紧固件(5)穿过止裂网(2)。
8.根据权利要求1所述罐体外的保温系统,其特征在于,所述保温泡沫层(1)的厚度大于保温板(3)的厚度。
9.根据权利要求1所述罐体外的保温系统,其特征在于,所述保温板(3)为具有闭孔结构的聚苯乙烯泡沫塑料回板材。
10.根据权利要求1所述罐体外的保温系统,其特征在于,所述保温泡沫层(1)为聚氨酯硬质泡沫。
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