欢迎访问云南德科特种车辆装备有限公司!

客服热线:

\n \n
\n \n
\n
","validate_14":{"minlength":{"msg":"您输入的内容不能少于%len个字符","state":false,"value":5},"custom":{"msg":"","reg":"","state":false},"required":{"msg":"内容不能为空","value":true},"maxlength":{"msg":"您输入的内容不能多于%len个字符","state":false,"value":128}},"layout_1":[{},{},{},{},{}],"validate_12":{"required":{"msg":"内容不能为空","state":true,"value":true}},"showplaceholder_12":false,"text_2":"欢迎访问云南德科特种车辆装备有限公司!","showlabel_12":false,"action_13":1,"showlabel_14":false,"state_12":"normal","showplaceholder_14":true,"type_13":1,"richtext_4":"

客服热线:

\n","dditem_14":{},"logic_13":[],"datasource_14":{},"html_5":"
\n
\n \n\n\n
\n
\n","placeholder_14":"请输入关键词...","dditemlist_12":[{}],"placeholder_12":"请选择应用","type_14":"text","submit_11":{"obj2":{"type":"custompage","value":{"type":"page","params":[{"param":"keywords","valuename":"单行文本","valuetype":"value","paramname":"全局搜索关键字","type":"form","value":"e_input-14"},{"param":"appids","valuename":"下拉选择","valuetype":"value","paramname":"全局搜索应用范围","type":"form","value":"e_select-12"}],"value":"3dd00417-c479-4ec9-bb43-ec0d377bbbb8"},"target":"_self"},"obj1":{"result":1,"request":[],"prompt":""},"logic":[],"type":2,"obj3":{}},"sourceuuid_11":"1552634884302962688","href_2":{"type":"none","value":"","target":""},"basic_11":{"submitlimit":{"unit":1,"count":1,"interval":1,"peoplelimit":1,"limitrule":1},"submittime":{"limit":2,"starttime":"","endtime":"","prompt":""},"forminfo":{"app":"137276","name":"globalsearchh","title":"产品搜索"},"advanced":{"customstate":[],"message":1}},"label_12":"下拉选择","async_11":{"status":2,"target":"","relation":[]},"label_14":"单行文本","prompt_13":"","prompt_2":""}"/>
","href_3":{"type":"link","value":"/","target":"_self"},"arrow_2":"","layout_1":[{},{}],"imglist_3":[{"imageurl":"portal-saas/new2022062418213896237/cms/image/39b209b0-16a2-4786-b9fb-91f75a1e13a4.png"}],"title_3":"lgo","datalist_2":[{"navname":"j9九游会j9九游会网址官网首页"},{"children":[{"children":[{"navname":"j9九游会网址的介绍"},{"navname":"发展历程"},{"navname":"关于j9九游会官网"}],"navname":"j9九游会网址的介绍"},{"navname":"发展历程"},{"navname":"关于j9九游会官网"}],"navname":"j9九游会网址的概况"},{"navname":"我们的产品"},{"children":[{"navname":"最新动态"},{"navname":"企业新闻"},{"navname":"行业新闻"}],"navname":"新闻资讯"},{"children":[{"navname":"j9九游会官网的合作伙伴"},{"navname":"加入j9九游会网址"}],"navname":"招商加盟"},{"children":[{"navname":"服务宗旨"},{"navname":"在线咨询"},{"children":[{"navname":"生活常识"},{"navname":"百度百科"}],"navname":"常见问题"},{"navname":"用户协议"}],"navname":"j9九游会真人游戏第一品牌的售后服务"},{"children":[{"navname":"在线留言"},{"navname":"联系j9九游会真人游戏第一品牌"}],"navname":"联系j9九游会真人游戏第一品牌"}],"space_3":0,"showarrow_2":true,"close_2":""}"/>

消防车泵房保温注意事项有哪些?-j9九游会网址


       在接下来的一段时间里全国大部分地区正在经历一个多年未遇的寒冬。我国地域广阔,南北跨度较大,气候分布差别非常明显。东北地区,冬天气温最低可达零下45度。在寒冬,载满灭火剂的消防车在救火的中途,其进出水阀门、进出水管路、消防水泵,都有被冻裂的可能。如果消防泵被冻裂,那整个消防车将失去它本该发挥的作用。如何解决这一问题,是摆在消防部门的一个难题。我们的消防车又是如何御寒的呢?它有“秋裤”穿吗?接下来就跟着小编一起来学习下消防车泵房的冬季保温方法都有哪些呢?
 
 
  现在汽车行业上通常的供暖设备有几种形式,按所使用的热源可分为:非独立式(engine-based)供暖系统和独立式(non-engine?based)供暖系统。
 
  一、非独立式供暖系统,也可称为余热式供暖系统,它利用汽车排气余热或发动机冷却循环水的余热作为热源并引入热交换器,由风机将车内或车外空气吹过热交换器而使之升温。
  二、独立式供暖系统装置一般由燃烧室、热交换器、燃油供给系统、空气供给系统、控制系统组成。其工作过程为:风扇电机接通电源,带动助燃空气风扇和暖风风扇,同时油泵向燃烧室供油,油在燃烧室进口处雾化与自助燃空气进口进来的空气混合,由火花塞点火燃烧。
 
  消防车泵房保温的目的是什么?
 
 
  维持消防车冬季出警时泵房内的温度,防止由于环境温度低于0℃导致管路内的水结冰,从而导致管路、阀门、泵体等出现涨裂损伤。大家都知道,冰的密度小于水(不要问我怎么知道的)。当相同质量的水凝结成冰时,体积会发生膨胀;而消防车管路的封闭空间会阻止这种膨胀,最终就会导致在膨胀力的作用下管路、阀门、泵体等出现涨裂的情况。
 
  冬季消防车泵房常见的几种御寒方式如下所示:
 
  1、“电褥子”:在球阀及管路上缠绕电阻丝,通过电阻丝发热来对管路进行加温。这就属于主动式了,就像给泵房里面铺上一层电褥子,通过主动加温方式来防止结冻。这种方式常见在出口球阀上。
 
 
  2、“穿棉裤”:消防车泵房管路常见的保温方式就是在管路外面包裹一层毛毡或隔温材料。这属于被动式,就像大家小时候见到过的冰棍箱,在冰棍上盖上一层棉被,用于阻止热量散发。
 
 
  3、“电暖气”:在泵房内放置一台家用电暖气,用于泵房内加温。这属于临时应急处理办法,且需要泵房内有足够空间来放置电暖气。
 
 
  4、“吹空调”:在泵房内安置热风机,通过向泵房内吹热风的方式来保证泵房温度。这种方式需要泵房密封,防止散热太快。这也属于主动方式,就像在泵房里安装了一个供热空调。
 
  想要解决消防车泵房保温、防冻的问题,一是必须有可靠的、功率足够的热源,满足消防泵室的保温需要;二是泵房必须有足够的空间,而且满足消防作战的要求。
多行文本内容元素

富文本内容绑定数据后可解析html语言内容

","layout_1":[{},{}],"href_29":{"type":"field","value":"datasource4.current.nexthref","target":"_self"},"pageconfig_8":{"rolling":{"navigation":false,"scrolltype":"horizontal","pagenation":false,"scrolltime":4,"autoscroll":true},"showjump":false,"pagetype":"turnpage","pccolumn":1,"marquee":{"navigation":false,"marqueetime":4,"scrolltype":"vertical","opp":false},"loopitem":".p_loopitem","pcrow":3,"mocolumn":2,"status":true,"datasourceid":"datasource5","elementid":8},"href_23":{"type":"none","value":"","target":"_self"},"href_21":{"type":"page","value":{"pageid":"5082a523-46d4-4938-ae0a-ec93d74de1d1","hash":""},"target":"_self"},"selectlist_28":[{"label":"内贸","value":"1"},{"label":"外贸","value":"2"}],"text_29":"这里是占位文字","layout_22":[{}],"h1_23":"这里是标题一h1占位文字","prompt_29":"无","layout_27":[{},{}],"layout_26":[{},{}],"layout_9":[{}],"setting_11":{"fit":"contain","islazy":"true"},"text_21":"返回列表 →","title_11":"图片名称","page_8":{"size":6,"from":0,"totalcount":100},"datalist_8":[{},{},{},{},{},{}],"space_11":0,"prompt_32":"","imglist_11":[{"imageurl":""}],"prompt_30":"","prompt_31":"无","prompt_12":"","status_21":true,"href_12":{"type":"field","value":"href","target":"_self"},"href_11":{"type":"field","value":"href","target":"_self"},"href_32":{"type":"none","value":"","target":""},"href_31":{"type":"field","value":"datasource4.current.prehref","target":"_self"},"href_30":{"type":"none","value":"","target":""}}"/>
网站地图