CN112097382A - 车间恒温恒湿控制方法及系统 - Google Patents

车间恒温恒湿控制方法及系统 Download PDF

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CN112097382A
CN112097382A CN202011000421.6A CN202011000421A CN112097382A CN 112097382 A CN112097382 A CN 112097382A CN 202011000421 A CN202011000421 A CN 202011000421A CN 112097382 A CN112097382 A CN 112097382A
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刘汇明
高雨
龚小波
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Chery Automobile Co Ltd
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Abstract

本发明提供了一种车间恒温恒湿控制方法,A、检测焊接车间内温度,当该温度与设定温度存在偏差时,地源热泵系统的循环水进入地下换热管路;散热对应的是夏季,冬季则为吸热B、循环水进入焊接车间内的恒温空调,恒温空调通过风机以循环水为介质完成对空气的换热,并将制冷或制热后的气流吹送至焊接车间内,循环水变为回收水;C、检测涂装车间内湿度,当湿度较大时,回收水进入涂装车间的除湿装置的加热或冷凝段。D、除湿装置抽取涂装车间内空气至除湿装置的加热段对空气进行加热,再将加热后的空气输送至除湿装置的冷凝段,冷凝干燥后的空气再输送回涂装车间内。E、从除湿装置返回的二次回收水通过管路进入地下换热管路;F、重复步骤A‑E。

Description

车间恒温恒湿控制方法及系统
技术领域
本发明设计车辆焊涂车间领域,具体就是车辆焊涂车间的恒温恒湿控制方法及系统。
背景技术
汽车工厂车身焊接车间对制造环境的温度及工作场所焊接产生的烟尘含量有严格要求。由于焊接室空间大,且不能密闭,温度不易控制;空调风管在除尘设备相互影响下,工作环境达不到环保要求。汽车工厂车身涂装车间对制造环境的湿度有严格要求,除湿及加热能耗大。常规空调系统不能满足以上需求,因此根据工况,需要对系统合理设计规划。
现有技术中的车间的恒温控制方式为通过大型空调制冷或制热,以及通过地源热泵将地下的热量导入车间或将热量导入地下,由于大地内部的温度较为稳定(冬季地下温度比空气温度高,夏季地下比空气温度低),地源热泵系统就是通过导入地下的水管,以水为媒介在地下进行散热或吸热,然后将地下的热量带至车间或将车间的热量带至地下以完成热交换,因铝车身焊装环境要求,选用地源热泵机组输出冷水温度在7℃~13℃而热回收水温为45℃~55℃。直接将热回收水导入地下易破坏土壤内的热平衡对环境造成破坏。对于南方及海边江边的车间来说,由于当地空气湿度大,其实现恒湿的方式主要是对空气进行除湿,现有的除湿方式为利用空调或电加热系统对空气进行加热再对空气降温,空气中的水分便会冷凝从而达到除湿的目的。
发明内容
本发明的首要目的是提供一种车间恒温恒湿控制方法及系统,以节省车间的能源消耗。
为实现上述发明目的,本发明采用了以下技术方案:一种车间恒温恒湿控制方法,A、检测焊接车间内温度,当该温度与设定温度存在偏差时,地源热泵系统的循环水进入地下换热管路;散热对应的是夏季,冬季则为吸热B、循环水进入焊接车间内的恒温空调,恒温空调通过风机以循环水为介质完成对空气的换热,并将制冷或制热后的气流吹送至焊接车间内,循环水变为回收水;C、检测涂装车间内湿度,当湿度较大时,回收水进入涂装车间的除湿装置的加热或冷凝段。D、除湿装置抽取涂装车间内空气至除湿装置的加热段对空气进行加热,再将加热后的空气输送至除湿装置的冷凝段,冷凝干燥后的空气再输送回涂装车间内。E、从除湿装置返回的二次回收水通过管路进入地下换热管路;F、重复步骤A-E。
又一目的是提供一种车间恒温恒湿系统,以降低地源热泵对地址内热平衡的破坏。
为实现上述发明目的,本发明采用了以下技术方案:一种车间恒温恒湿控制系统,包括从地下换热水管抽取循环水及向地下打入循环水的地源热泵系统,地源热泵系统的出水端与焊接车间的恒温空调的进水端相连,恒温空调的出水端与除湿装置的加热段或冷凝段相连,除湿装置的加热段与冷凝段通过送风管路与涂装车间形成闭环,除湿装置加热段或冷凝段的出水端与地源热泵系统的进水端相连。
上述方案中将恒温空调返回的回收水二次利用于除湿装置中进行加热或制冷,降低循环水温度与地下温度的差值,这样使得进入地下的循环水改变地下温度的能力下降,不易破坏地下的热平衡。同时回收水的使用取代了除湿装置的电加热或电制冷模块的能耗,有效提升了能源利用率降低了电能消耗。
附图说明
图1是本发明的管路连接图;
具体实施方式
一种车间恒温恒湿控制方法,A、检测焊接车间10内温度,当该温度与设定温度存在偏差时,地源热泵系统20的循环水1进入地下换热管路;B、循环水1进入焊接车间10内的,通过风机以循环水1为介质完成对空气的换热,并将制冷或制热后的气流吹送至焊接车间10内,循环水1变为回收水2;C、检测涂装车间30内湿度,当湿度较大时,回收水2进入涂装车间30的除湿装置31的加热或冷凝段。D、除湿装置31抽取涂装车间30内空气至除湿装置31的加热段对空气进行加热,再将加热后的空气输送至除湿装置31的冷凝段,冷凝干燥后的空气再输送回涂装车间30内。E、从除湿装置31返回的二次回收水3通过管路进入地下换热管路;F、重复步骤A-E。
上述步骤的实质是循环水的流经顺序,夏季时循环水1在地下进行散热,冬季时循环水1在地下进行吸热,以夏季为例,循环水从地源热泵系统20导出时其温度为7℃~13℃,然后其进入,循环水1吸热后以45℃~55℃排出,该温度回收水2完全足够取代除湿装置的电加热模块,回收水2对空气进行加热后其温度达到20℃~30℃,地下温度为7℃~13℃,这样其与地下的温度差值较小,减少了地源热泵系统对地质的放热量,保证地质热平衡系数≤15%。同时回收水的使用取代了除湿装置的电加热模块,降低空调系统20%-30%的用于除湿的电能。
步骤B中的热循环水1收集进入回收水罐40中再输送至涂装车间30的除湿装置31的加热段。这样当湿度稳定时,可以先储集回收水2待需要除湿时再将热水输送至除湿装置31
所述步骤A中的部分循环水1输送至除湿装置31的冷凝段或加热段。例如夏季时,即利用地源热泵系统20本身的制冷能力取代除湿装置31的电制冷模块,进一步降低除湿装置31电耗。
包括从地下换热水管抽取循环水1及向地下换热水管打入循环水1的地源热泵系统20,地源热泵系统20的出水端与焊接车间10的恒温空调11的进水端相连,恒温空调11的出水端与除湿装置31的加热段或冷凝段相连,除湿装置31的加热段与冷凝段通过送风管路与涂装车间30形成闭环,除湿装置31加热段或冷凝段的出水端与地源热泵系统20的进水端相连。上述方案中将地源热泵系统20、恒温空调11、除湿装置31三者通过水管连成闭环,然后通过不同区域的制冷与制热需求,充分利用各种温度的循环水1,大大降低了能耗,同时消耗了回收水2的热量避免高温回收水对地下热平衡的破坏。
所述地源热泵系统20与除湿装置31加热段或冷凝段之间设置有二次回收水罐50,恒温空调11的出水端与除湿装置31的加热段或冷凝段之间设置有回收水罐40。通过回收水罐40和二次回收水罐50的各温度的水储集,这样闭环中的地源热泵系统20、恒温空调11、除湿装置31能够独立工作,不受上游设备过多的影响。
所述地源热泵系统20的出水端与分集水器相连,分集水器其中一个出水口与除湿装置31的制冷段或加热段相连,除湿装置31的制冷段或加热段出水端与回收水2罐相连。这样便于循环水输送至不同区域。
所述回收水罐40与地源热泵系统20相连。这样当不需要除湿时且回收水罐40满时可以将回收水直接打入地源热泵系统20。
所述分集水器60对应夏季和冬季设置有两个,分别为热水分集器和冷水分集器,热水分集器对应连接加热段,冷水分集器对应连接降温空调。由于夏季和冬季对温度的需求不同,循环水水温也不同,循环水输送的区域也有一定的差异,因此设置两个分集水器。
所述循环水1管路上设置有软水装置60。这样对循环水1进行软化,防止循环水1管路结垢影响设备的运行效率。

Claims (9)

1.一种车间恒温恒湿控制方法,其特征在于:
A、检测焊接车间(10)内温度,当该温度与设定温度存在偏差时,地源热泵系统(20)的循环水(1)在地下换热管路进行换热;
B、循环水(1)进入焊接车间(10)内的,通过风机以循环水(1)为介质完成对空气的换热,并将制冷或制热后的气流吹送至焊接车间(10)内,循环水(1)变为回收水(2);
C、检测涂装车间(30)内湿度,当湿度较大时,回收水(2)进入涂装车间(30)的除湿装置(31)的加热或冷凝段。
D、除湿装置(31)抽取涂装车间(30)内空气至除湿装置(31)的加热段对空气进行加热,再将加热后的空气输送至除湿装置(31)的冷凝段,冷凝干燥后的空气再输送回涂装车间(30)内。
E、从除湿装置(31)返回的二次回收水(3)通过管路进入地下换热管路;
F、重复步骤A-E。
2.根据权利要求1所述的车间恒温恒湿控制方法,其特征在于:步骤B中的热循环水(1)收集进入回收水罐(40)中再输送至涂装车间(30)的除湿装置(31)的加热段。
3.根据权利要求1所述的车间恒温恒湿控制方法,其特征在于:所述步骤A中的部分循环水(1)输送至除湿装置(31)的冷凝段或加热段。
4.一种车间恒温恒湿控制系统,其特征在于:包括从地下换热水管抽取循环水(1)及向地下换热水管打入循环水(1)的地源热泵系统(20),地源热泵系统(20)的出水端与焊接车间(10)的恒温空调(11)的进水端相连,恒温空调(11)的出水端与除湿装置(31)的加热段或冷凝段相连,除湿装置(31)的加热段与冷凝段通过送风管路与涂装车间(30)形成闭环,除湿装置(31)加热段或冷凝段的出水端与地源热泵系统(20)的进水端相连。
5.根据权利要求4所述的车间恒温恒湿控制系统,其特征在于:所述地源热泵系统(20)与除湿装置(31)加热段或冷凝段之间设置有二次回收水罐(50),恒温空调(11)的出水端与除湿装置(31)的加热段或冷凝段之间设置有回收水罐(40)。
6.根据权利要求5所述的车间恒温恒湿控制系统,其特征在于:所述地源热泵系统(20)的出水端与分集水器相连,分集水器其中一个出水口与除湿装置(31)的制冷段或加热段相连,除湿装置(31)的制冷段或加热段出水端与回收水(2)罐相连。
7.根据权利要求5所述的车间恒温恒湿控制系统,其特征在于:所述回收水罐(40)与地源热泵系统(20)相连。
8.根据权利要求4所述的车间恒温恒湿控制系统,其特征在于:所述分集水器60对应夏季和冬季设置有两个,分别为热水分集器和冷水分集器,热水分集器对应连接加热段,冷水分集器对应连接降温空调。
9.根据权利要求4所述的车间恒温恒湿控制系统,其特征在于:所述循环水(1)管路上设置有软水装置(60)。
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