發布者: 奧伯特(te)烘(hong)干 時(shi)間:2018-4-7 11:28:09
節能環保(bao)空氣(qi)能熱(re)泵熱(re)源干燥窯(yao)由空氣(qi)能熱(re)泵、鋁合金(磚混結構)或者聚氨(an)酯(zhi)發泡保(bao)溫板窯(yao)體、窯(yao)門(men)(提門(men)裝置)、加熱(re)系(xi)(xi)(xi)統(tong)、調濕(shi)系(xi)(xi)(xi)統(tong)、氣(qi)流(liu)循環系(xi)(xi)(xi)統(tong)、進排氣(qi)系(xi)(xi)(xi)統(tong)、電輔助(zhu)系(xi)(xi)(xi)統(tong)、檢(jian)測系(xi)(xi)(xi)統(tong)及控制(zhi)系(xi)(xi)(xi)統(tong)等部分組成。
1.熱源
節(jie)能環保空(kong)(kong)氣能熱(re)(re)泵熱(re)(re)源(yuan)干(gan)燥設備的熱(re)(re)源(yuan)部分為空(kong)(kong)氣能熱(re)(re)泵烘干(gan)機(ji)。熱(re)(re)泵主(zhu)機(ji)壓(ya)縮收集空(kong)(kong)氣中的熱(re)(re)量能夠(gou)產生(sheng)70-75℃的高(gao)溫熱(re)(re)風(feng),節(jie)能效率達到3.5(1KW的電能壓(ya)縮空(kong)(kong)氣中的熱(re)(re)量可產生(sheng)3.5倍的制熱(re)(re)量約3000大(da)卡);
空(kong)氣能熱泵為國家提倡的(de)節能環保(bao)產品,無任何廢(fei)氣及污染,是木材干(gan)燥設備新型熱源配置,特別(bie)適合(he)平均氣候溫度為20℃以上的(de)地(di)(di)區(qu)使用,對環保(bao)要求高的(de)地(di)(di)區(qu)和(he)注重節能需求的(de)客戶也比較適合(he)。
2.窯體
干燥窯(yao)(yao)(yao)的窯(yao)(yao)(yao)體(ti)除須滿(man)足(zu)堅固耐(nai)用(yong)等一般建筑要(yao)(yao)求(qiu)外(wai),更重(zhong)要(yao)(yao)的是還須滿(man)足(zu)保溫(wen)、密(mi)封和(he)防腐(fu)等特殊要(yao)(yao)求(qiu)。有(you)土(tu)(tu)建窯(yao)(yao)(yao)體(ti)型(xing)和(he)金(jin)屬(shu)窯(yao)(yao)(yao)體(ti)型(xing)二種。土(tu)(tu)建窯(yao)(yao)(yao)體(ti)按特殊要(yao)(yao)求(qiu)設計(ji);金(jin)屬(shu)窯(yao)(yao)(yao)體(ti)的內(nei)外(wai)層(ceng)為鋁(lv)合(he)金(jin)板(ban)(ban),中(zhong)間夾以阻燃(ran)聚(ju)酯保溫(wen)層(ceng),窯(yao)(yao)(yao)體(ti)骨架為鋁(lv)合(he)金(jin)型(xing)材。無論(lun)是土(tu)(tu)建窯(yao)(yao)(yao)體(ti)還是鋁(lv)合(he)金(jin)窯(yao)(yao)(yao)體(ti)都密(mi)封良好,有(you)足(zu)夠的保溫(wen)性能,并能有(you)效地(di)抗腐(fu)蝕。窯(yao)(yao)(yao)內(nei)天棚用(yong)鋁(lv)板(ban)(ban)制(zhi)作或(huo)混(hun)泥土(tu)(tu)搗制(zhi)。
3.窯門
窯(yao)(yao)(yao)門(men)(men)(men)有(you)單開門(men)(men)(men),對(dui)開門(men)(men)(men)和吊掛門(men)(men)(men)三種形(xing)式;建兩座(zuo)或多座(zuo)連體窯(yao)(yao)(yao)時,窯(yao)(yao)(yao)門(men)(men)(men)通常為(wei)吊掛門(men)(men)(men),采用(yong)吊掛門(men)(men)(men)時需配裝提門(men)(men)(men)器。窯(yao)(yao)(yao)門(men)(men)(men)的結(jie)構與鋁(lv)合金窯(yao)(yao)(yao)體的結(jie)構相同,保溫、防腐。為(wei)保證(zheng)窯(yao)(yao)(yao)門(men)(men)(men)的密(mi)封性,在窯(yao)(yao)(yao)門(men)(men)(men)四周鑲(xiang)有(you)耐高(gao)溫、抗老化、彈性好的特制硅膠密(mi)封圈,以確保窯(yao)(yao)(yao)門(men)(men)(men)不漏氣。提門(men)(men)(men)器采用(yong)手搖蝸輪蝸桿結(jie)構,可(ke)為(wei)吊掛式或落地式,操作方便(bian)、靈活,動作平穩、可(ke)靠。
4.加熱系統
加熱(re)(re)系統的(de)(de)主體(ti)是加熱(re)(re)器。加熱(re)(re)器質量的(de)(de)好壞不僅關(guan)系到加熱(re)(re)器的(de)(de)壽命,也關(guan)系到加熱(re)(re)器的(de)(de)傳(chuan)熱(re)(re)效率。多數干燥(zao)設備所采用(yong)的(de)(de)加熱(re)(re)器為新型(xing)鋼(gang)(不銹鋼(gang)或無(wu)縫(feng)鋼(gang))鋁復合(he)整體(ti)軋制的(de)(de)翅片管加熱(re)(re)器,翅片無(wu)皺摺,氣流阻力小,傳(chuan)熱(re)(re)效率高,耐腐蝕(shi)性能(neng)好,使用(yong)壽命長。
5.調濕系統
調(diao)濕(shi)系統(tong)雖然簡單(dan),但(dan)對于(yu)保證木材干(gan)燥質(zhi)量來說卻非(fei)常重要。調(diao)濕(shi)系統(tong)的噴蒸管道(dao)用(yong)不(bu)銹鋼(gang)管(或鋁(lv)合金管)制(zhi)作,從而避免了采(cai)用(yong)碳鋼(gang)管造(zao)成(cheng)腐蝕(shi)減(jian)少使用(yong)壽(shou)命的缺點。采(cai)用(yong)蒸汽(qi)(qi)加(jia)熱時,向(xiang)窯內(nei)噴射(she)常壓飽和蒸汽(qi)(qi);采(cai)用(yong)高溫水加(jia)熱時,則向(xiang)窯內(nei)噴射(she)飽和蒸汽(qi)(qi)或霧(wu)化水。
6.氣流循環系統
氣流(liu)循環是加(jia)快干(gan)燥速度,保證干(gan)燥均(jun)勻(yun)性(xing)的(de)重(zhong)要手段。為(wei)提高(gao)(gao)窯的(de)密封性(xing)和風(feng)機(ji)(ji)運轉(zhuan)的(de)可靠性(xing),可采用(yong)耐(nai)高(gao)(gao)溫防潮電機(ji)(ji)與風(feng)機(ji)(ji)一起(qi)裝(zhuang)于窯內,直聯傳動。風(feng)機(ji)(ji)采用(yong)專門設計,為(wei)當今最先進的(de)機(ji)(ji)翼形(xing)扭曲葉片(pian)對稱布置的(de)高(gao)(gao)效節能精(jing)密壓鑄鋁合金(jin)風(feng)葉軸(zhou)流(liu)風(feng)機(ji)(ji),風(feng)量大(da)、風(feng)壓高(gao)(gao)、能耗(hao)低、壽命(ming)長。
7.進排氣系統
進排(pai)氣裝置(zhi)可(ke)為自(zi)動(dong)(dong)(dong)控(kong)(kong)制,也可(ke)為手動(dong)(dong)(dong)控(kong)(kong)制。自(zi)動(dong)(dong)(dong)控(kong)(kong)制系統的排(pai)濕電機(扭矩)方便實用(yong),可(ke)實現多級控(kong)(kong)制。無論自(zi)動(dong)(dong)(dong)控(kong)(kong)制還(huan)是手動(dong)(dong)(dong)控(kong)(kong)制操作都(dou)十分方便,動(dong)(dong)(dong)作非常(chang)靈活。
8.檢測系統
檢(jian)(jian)測(ce)(ce)系統(tong)主(zhu)要指木(mu)材含(han)水率(lv)的(de)(de)檢(jian)(jian)測(ce)(ce)和介(jie)質(zhi)溫、濕度的(de)(de)檢(jian)(jian)測(ce)(ce)。木(mu)材含(han)水率(lv)的(de)(de)檢(jian)(jian)測(ce)(ce)采用電測(ce)(ce)法,可同時測(ce)(ce)定(ding)窯內4--8個測(ce)(ce)點的(de)(de)含(han)水率(lv),使用方便、快捷(jie),數(shu)字顯示,讀數(shu)準確、可靠。
介質(zhi)(zhi)濕(shi)(shi)度(du)(du)(du)的檢測采用(yong)溫(wen)(wen)差(cha)法,所用(yong)裝置為干(gan)(gan)、濕(shi)(shi)球(qiu)(qiu)(qiu)溫(wen)(wen)度(du)(du)(du)計(ji)。這種干(gan)(gan)、濕(shi)(shi)球(qiu)(qiu)(qiu)溫(wen)(wen)度(du)(du)(du)計(ji)由兩支精度(du)(du)(du)相同的溫(wen)(wen)度(du)(du)(du)傳感器組成。其中一(yi)支溫(wen)(wen)度(du)(du)(du)計(ji)的感溫(wen)(wen)部分用(yong)紗(sha)布套包上,紗(sha)布套的末端浸在(zai)水(shui)(shui)(shui)槽中,此溫(wen)(wen)度(du)(du)(du)計(ji)稱為濕(shi)(shi)球(qiu)(qiu)(qiu)溫(wen)(wen)度(du)(du)(du)計(ji)。由于水(shui)(shui)(shui)分蒸發需要熱量,所以(yi)濕(shi)(shi)球(qiu)(qiu)(qiu)溫(wen)(wen)度(du)(du)(du)計(ji)的讀(du)數(shu)比(bi)(bi)相鄰的另一(yi)支溫(wen)(wen)度(du)(du)(du)計(ji)即干(gan)(gan)球(qiu)(qiu)(qiu)溫(wen)(wen)度(du)(du)(du)計(ji)低(di)。濕(shi)(shi)球(qiu)(qiu)(qiu)溫(wen)(wen)度(du)(du)(du)計(ji)的讀(du)數(shu)越低(di),表明介質(zhi)(zhi)越干(gan)(gan)燥。其原理(li)是(shi):窯內介質(zhi)(zhi)在(zai)比(bi)(bi)較(jiao)干(gan)(gan)燥的情況下,濕(shi)(shi)球(qiu)(qiu)(qiu)紗(sha)布套上的水(shui)(shui)(shui)分蒸發越快(kuai),由于蒸發需要消耗熱量,則濕(shi)(shi)球(qiu)(qiu)(qiu)溫(wen)(wen)度(du)(du)(du)計(ji)的讀(du)數(shu)就越低(di),由此即可確(que)定介質(zhi)(zhi)的濕(shi)(shi)度(du)(du)(du)。
9.控制系統
木(mu)材(cai)(cai)干(gan)燥(zao)過(guo)程(cheng)(cheng)本質(zhi)上是干(gan)燥(zao)介(jie)(jie)質(zhi)與木(mu)材(cai)(cai)進行熱(re)濕交換的過(guo)程(cheng)(cheng),因此,木(mu)材(cai)(cai)干(gan)燥(zao)過(guo)程(cheng)(cheng)的控(kong)制(zhi)(zhi)實際上是對(dui)介(jie)(jie)質(zhi)條件的控(kong)制(zhi)(zhi)。與木(mu)材(cai)(cai)干(gan)燥(zao)密切相關的介(jie)(jie)質(zhi)條件主要(yao)是溫度、濕度和循(xun)環速度。循(xun)環速度是由風機決定(ding)的,風機開動后就一直運轉下(xia)去,一般不(bu)予控(kong)制(zhi)(zhi)。所以,實際需要(yao)也可能加(jia)以控(kong)制(zhi)(zhi)的只是介(jie)(jie)質(zhi)的溫、濕度。
10、電輔助系統
節能空(kong)氣(qi)能熱(re)泵(beng)熱(re)源因為(wei)加(jia)熱(re)速度受加(jia)熱(re)能力的影響,需要升(sheng)溫時(shi)考(kao)慮(lv)到(dao)加(jia)熱(re)時(shi)間(jian)影響整(zheng)個干燥時(shi)間(jian),所以配置電(dian)加(jia)熱(re)輔(fu)助升(sheng)溫,使整(zheng)套干燥設備達(da)到(dao)完美。電(dian)加(jia)熱(re)發熱(re)架采用防腐不銹(xiu)鋼材料制作,升(sheng)溫速度快,安全可靠(kao)。
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