(?) (?)1,承(Cheng)压(Ya)热(Re)水(Shui)锅(Guo)炉(Lu)是(Shi)承(Cheng)压(Ya)设(She)备(Bei),(?)具(Ju)有(You)爆(Bao)炸(Zha)的(De)危(Wei)险(Xian)。(?)而(?)常(Chang)压(Ya)热(Re)水(Shui)锅(Guo)炉(Lu)供(Gong) 热(Re)系(Xi)统(Tong)锅(Guo)炉(Lu)不(Bu)承(Cheng)压(Ya),(?)始(Shi)终(Zhong)与(Yu)大(Da)气(Qi)相(Xiang)通(Tong),(?)所(Suo)以(Yi),(?)锅(Guo)炉(Lu)在(Zai)任(Ren)何(He)情(Qing)况(Kuang)下(Xia)都(Du)不(Bu)会(Hui)爆(Bao)炸(Zha),(?)安(An)全(Quan)性(Xing)能(Neng)好(Hao)。(?)
(?) (?)2,承(Cheng)压(Ya)热(Re)水(Shui)锅(Guo)炉(Lu)是(Shi)满(Man)水(Shui)的(De),(?)没(Mei)有(You)水(Shui)位(Wei)控(Kong)制(Zhi)问(Wen)题(Ti)。(?)常(Chang)压(Ya)热(Re)水(Shui)锅(Guo)炉(Lu)中(Zhong)未(Wei)充(Chong)满(Man),(?)有(You)水(Shui)位(Wei)控(Kong)制(Zhi)问(Wen)题(Ti)。(?)
(?) (?)3,(?)承(Cheng)压(Ya)热(Re)水(Shui)锅(Guo)炉(Lu)必(Bi)须(Xu)装(Zhuang)设(She)压(Ya)力(Li)表(Biao)、(?)安(An)全(Quan)阀(Fa)和(He)温(Wen)度(Du)计(Ji),(?)因(Yin)为(Wei)锅(Guo)炉(Lu)始(Shi)终(Zhong)处(Chu)于(Yu)满(Man)水(Shui)状(Zhuang)态(Tai),(?)所(Suo) 以(Yi)不(Bu)设(She)水(Shui)位(Wei)计(Ji)。(?)而(?)常(Chang)压(Ya)热(Re)水(Shui)锅(Guo)炉(Lu)仅(Jin)有(You)水(Shui)位(Wei)计(Ji)和(He)温(Wen)度(Du)计(Ji)。(?)
(?) (?)4,(?)承(Cheng)压(Ya)热(Re)水(Shui)锅(Guo)炉(Lu)供(Gong)热(Re)系(Xi)统(Tong)的(De)循(Xun)环(Huan)水(Shui)泵(Beng),(?)是(Shi)抽(Chou)系(Xi)统(Tong)的(De)回(Hui)水(Shui)送(Song)往(Wang)锅(Guo)炉(Lu),(?)一(Yi)般(Ban)选(Xuan)用(Yong)清(Qing)水(Shui)泵(Beng)。(?) 它(Ta)既(Ji)要(Yao)克(Ke)服(Fu)系(Xi)统(Tong)循(Xun)环(Huan)阻(Zu)力(Li),(?)又(You)要(Yao)维(Wei)持(Chi)锅(Guo)炉(Lu)有(You)一(Yi)定(Ding)压(Ya)力(Li),(?)保(Bao)证(Zheng)高(Gao)温(Wen)时(Shi)锅(Guo)水(Shui)不(Bu)汽(Qi)化(Hua)。(?)而(?)常(Chang)压(Ya)热(Re) 水(Shui)锅(Guo)炉(Lu)供(Gong)热(Re)系(Xi)统(Tong)的(De)循(Xun)环(Huan)水(Shui)泵(Beng)是(Shi)从(Cong)锅(Guo)炉(Lu)里(Li)抽(Chou)水(Shui),(?)水(Shui)泵(Beng)应(Ying)是(Shi)热(Re)水(Shui)泵(Beng),(?)其(Qi)作(Zuo)用(Yong)除(Chu)克(Ke)服(Fu)系(Xi)统(Tong)阻(Zu)力(Li) 外(Wai),(?)主(Zhu)要(Yao)是(Shi)克(Ke)服(Fu)回(Hui)水(Shui)调(Diao)节(Jie)阀(Fa)的(De)阻(Zu)力(Li)。(?)
(?) (?)5,(?)承(Cheng)压(Ya)热(Re)水(Shui)锅(Guo)炉(Lu)既(Ji)能(Neng)供(Gong)应(Ying)低(Di)温(Wen)水(Shui),(?)又(You)能(Neng)供(Gong)应(Ying)高(Gao)温(Wen)水(Shui)。(?)而(?)常(Chang)压(Ya)热(Re)水(Shui)锅(Guo)炉(Lu)只(Zhi)能(Neng)供(Gong)应(Ying)小(Xiao)于(Yu) 100摄(She)氏(Shi)度(Du)的(De)低(Di)温(Wen)水(Shui)。(?)
(?) (?)常(Chang)压(Ya)锅(Guo)炉(Lu)在(Zai)运(Yun)行(Xing)时(Shi)内(Nei)部(Bu)压(Ya)力(Li)与(Yu)大(Da)气(Qi)压(Ya)力(Li)相(Xiang)同(Tong)或(Huo)者(Zhe)稍(Shao)微(Wei)低(Di)于(Yu)大(Da)气(Qi)压(Ya)力(Li),(?)