1、活塞式成型機
按驅動動力的不同可分為兩類:一類是用發動機或電動機通過機械傳動驅動的稱為機械驅動活塞式成型機(Piston presses with mechanical drive);另一類是用液壓機構驅動的稱為液壓驅動活塞成型機(Piston presses with hydraulic drive)。這zhe兩liang類lei成cheng型xing機ji的de成cheng型xing過guo程cheng是shi靠kao活huo塞sai的de往wang複fu運yun動dong實shi現xian的de。其qi進jin料liao,壓ya縮suo和he出chu料liao都dou是shi間jian歇xie進jin行xing的de,即ji活huo塞sai往wang複fu運yun動dong一yi次ci可ke以yi形xing成cheng一yi個ge壓ya塊kuai,在zai成cheng型xing套tao內nei壓ya塊kuai之zhi間jian被bei緊jin密mi擠ji在zai一yi起qi,但dan其qi端duan麵mian之zhi間jian的de連lian接jie不bu牢lao固gu。因yin此ci,當dang壓ya塊kuai從cong成cheng型xing機ji的de出chu口kou被bei擠ji出chu時shi,一yi般ban在zai重zhong力li的de作zuo用yong下xia自zi行xing分fen離li。根gen據ju壓ya縮suo室shi末mo端duan有you無wu擋dang板ban又you分fen為wei開kai式shi和he閉bi式shi兩liang種zhong。閉bi式shi柱zhu塞sai壓ya塊kuai依yi靠kao壓ya縮suo室shi末mo端duan的de擋dang板ban形xing成cheng擠ji壓ya阻zu力li,壓ya塊kuai形xing成cheng後hou再zai開kai啟qi擋dang板ban排pai出chu,這zhe種zhong機ji構gou不bu需xu要yao很hen大da的de擠ji壓ya力li,消xiao耗hao能neng量liang較jiao少shao;kaishichengxingjiyikaobeiyasuowuyuyasuoshibizhijiandemocalihezhuixingyamoxingchengjiyazulishixianyuanliaodeyasuochengxing,zhezhongxingshidechengxingjichuliaofangbian,buxuyaoteshudejichuchengxingkuaijigouhedongzuo。
2、螺旋式成型機
根據成型過程中粘結機理的不同可分為加熱(with die heating)和不加熱(without dieheating)兩liang種zhong形xing式shi。一yi種zhong是shi先xian在zai物wu料liao中zhong加jia入ru粘zhan結jie劑ji,然ran後hou在zai錐zhui型xing螺luo旋xuan輸shu送song器qi的de壓ya送song下xia,壓ya在zai原yuan料liao上shang的de壓ya力li逐zhu漸jian增zeng大da,到dao達da壓ya縮suo喉hou口kou時shi物wu料liao所suo受shou的de壓ya力li最zui大da。物wu料liao在zai高gao壓ya下xia體ti積ji密mi度du增zeng大da,並bing在zai粘zhan結jie劑ji的de作zuo用yong下xia成cheng型xing,然ran後hou從cong成cheng型xing機ji的de出chu口kou處chu被bei連lian續xu擠ji出chu,另ling一yi種zhong是shi在zai成cheng型xing套tao筒tong上shang設she置zhi加jia熱re裝zhuang置zhi,利li用yong物wu科ke中zhong的de木mu質zhi素su受shou熱re塑su化hua的de粘zhan結jie性xing,使shi物wu料liao成cheng型xing。此ci類lei成cheng型xing機ji最zui早zao被bei研yan製zhi開kai發fa,也ye是shi目mu前qian各ge地di推tui廣guang應ying用yong較jiao為wei普pu遍bian的de一yi種zhong機ji型xing。
3、模壓顆粒成型機
根據壓模型形狀的不同可分為:平板模顆粒成型機(Disk matrix pellet press)和環板模顆粒成型機(Ring matrix pellet press),其中環模成型機根據其結構布置方式又可分為立式和臥式兩種形式。由於立式環模成型機具有壓模易更換、保養方便、易進行係列化設計等優點而成為現有顆粒成型機的主流機型,其生產率可達1~3t·h-1.臥式環模成型機的壓模和壓輥的軸線都為垂直設置,生產率可達500~800kg/h,平板模顆粒機的工作原理是平板上有4~6個ge輥gun子zi,輥gun子zi隨sui軸zhou作zuo圓yuan周zhou運yun動dong,並bing與yu平ping模mo板ban間jian有you相xiang對dui運yun動dong,原yuan料liao在zai輥gun子zi和he模mo板ban間jian受shou擠ji壓ya,多duo數shu原yuan料liao被bei擠ji入ru模mo扳ban孔kong中zhong,切qie割ge機ji將jiang擠ji出chu的de成cheng型xing條tiao按an一yi定ding的de長chang度du切qie割ge成cheng粒li,富fu通tong新xin能neng源yuan生sheng產chan銷xiao售shou環huan模mo式shi木屑顆粒機、秸稈顆粒機等生物質燃料成型機械設備。
4、HPB-III型生物質成型機
河南農業大學農業部可再生能源重點開放實驗室於1995年開始立項研究液壓驅動活塞式成型機,並在1996年生產出第一台小型樣機。經過幾次改進,於2002年研製了HPB-III型液壓活塞式雙向成型機,其主要工作部件有活塞衝杆,保型筒、錐形筒、夾緊套、活塞套筒、加熱圈、液壓裝置、電控櫃等。它的工作原理是油泵在電機的帶動下,將油通過換向閥泵入油缸的一腔,把電能轉化成液體的壓力能,驅動活塞、活塞杼、chongganxiangyiduanyundong,chongganjiangjinliaodoujiarudeshengwuzhiyaruchengxingtaoneidezhuixingtaozhong,jieganzaijixieyalihewendudezuoyongxiafashengsuxingbianxing,jieganbeijiyachengchengxingbang(塊)後,經保型筒穩型後擠出。在換向閥的作用下,油被泵入油缸的另一腔,則活塞、活塞杆、衝杆向另一端運動,完成另一端成型,HPB -III型活塞式生物質成型機的工作路線。
該gai套tao設she備bei采cai用yong了le活huo塞sai衝chong壓ya成cheng型xing,避bi免mian了le生sheng物wu質zhi原yuan料liao與yu成cheng型xing部bu件jian連lian續xu的de相xiang對dui運yun動dong摩mo擦ca,解jie決jue了le螺luo旋xuan推tui進jin成cheng型xing機ji螺luo旋xuan杆gan頭tou部bu磨mo損sun嚴yan重zhong的de問wen題ti,使shi易yi損sun件jian的de壽shou命ming由you50h延長到200h以上;bingqiegaixitongshizaibujiarenhezhanjiejidetiaojianxiaduishengwuzhijinxingreyachengxingde,chengxingzhuyaoshiyouyushengwuzhizhongmuzhisudecunzai,suoyikeyijieyuechengben。gaixitongyuluoxuanshichengxingjixiangbi,juyoushangshutedianwai,haijuyouchengxingjigounengtoubidi,xiaolvgao,gongzuopingwen,jiegouxinying;可有效降低單位產品能耗,延長易損件的使用壽命等優點。



