1.1 Bayanin masana'antar shirya kwal
Kamfanin Longquan Coal Preparation Plant na Taiyuan Coal Gasification Company babban sikelin-dual-tsari ne tare da zane iya aiki na 5.00Mt/a wanda yafi samar coking coal da la'akari da samar da thermal gawayi.Babban tsarin slime na masana'antar shirya gawayi yana da kashi 5% na yawan samar da gawayi kuma yana da karfin sarrafa sa'a na 56.82t/h.
1.2 Tsarin tsari
Tsarin shirye-shiryen kwal a cikin ƙirar masana'antar shirya gawayi shine kamar haka: Bayan an lalata ɗanyen kwal kuma an tace shi (allon cirewa shine 1mm), 50 ~ 1mm yana rabu da guguwa mai nauyi-matsakaici na samfuri mara ƙarfi. , 1 ~ 0.25mm The m kwal slime ya rabu da TBS, da kuma -0.25mm lafiya coal slime an dawo dasu ta hanyar kauri da tace latsa azaman matsakaicin samfurin gawayi.
2.1 Rabuwa da tsarin dawo da slime mara nauyi kafin canjin fasaha
Tsarin rarrabuwar kawuna da dawo da slime mai laushi kafin canjin fasaha na Longquan Coal Preparation Plant shine: cyclone maida hankali + Rabewar TBS + cyclone taro + arc sieve desliming da dewatering + centrifuge dewatering.Ana nuna takamaiman tsari a cikin hoto 1.
Hoto 1 Tsarin tafiyar da tsarin rarrabuwar kawuna kafin canjin fasaha
2.2 Akwai matsala
Tebu na 1 yana nuna bayanan gwajin sieving na shigarwar sieve mai lanƙwasa da kayan kan-allon lokacin da aka yi amfani da sieve mai lanƙwasa don yankewa da rarraba yawan tattarawar TBS kafin canjin fasaha.Daga kwatancen bayanan gwajin gwajin, ana iya ganin cewa bambanci tsakanin ash abun ciki na kayan da ke shigowa da sieve bai kai kashi 5% ba, wanda ke nuni da cewa ingancin tantancewar na'urar arc ba ta da yawa kuma tasirin rage ash ya ragu. yana da matukar talauci.
Tebura 1 Bayanan gwajin gwaji na arc sieve kafin canjin fasaha
Shuka Shirye-shiryen Kwal na Longquan yana da babban abun ciki na toka, sludge mai tsanani, babban ash na ciki, ƙarancin mai da hankali, da babban abun ciki na matsakaicin samfur.Sabili da haka, a cikin aikin samarwa na ainihi, ƙirar asali na rarrabuwar ƙaƙƙarfan rarrabuwa da tsarin dawowa galibi yana da matsaloli masu zuwa:
Tsarin asali yana ɗaukar allo mai siffar baka tare da ƙarancin aikin tantancewa don yanke ƙanƙara, sludge da deɓar ruwa da ambaliya na TBS.Saboda tsananin laka sabon abu na gangue a cikin danyen kwal da kuma babban abun ciki na high-ash lafiya laka, shi ba makawa zai haifar: mai lankwasa allon ya ƙunshi babban adadin high-ash lafiya laka, sakamakon high ash abun ciki na m. da gawayi mai tsafta;allon mai lanƙwasa yana amfani da bakin karfe allon slotted yana da babban gibi na allo kuma yana da sauƙin sawa, wanda zai haifar da babban adadin ƙananan ash mai ƙaƙƙarfan slime ya ɓace kuma ya rasa ƙarancin gawayi mai tsabta.A lokaci guda, allon yana buƙatar sauyawa akai-akai.
3.1 Shirin sauya fasaha
Domin inganta yawan dawo da kwal mai tsabta da fa'idodin tattalin arziki, Longquan Coal Preparation Plant tare da Anhui Fangyuan Plastic Co., Ltd. don canza tsarin rabuwar slime.Bayan zanga-zangar, kai tsaye ta karɓi Anhui Fangyuan Plastics Co., Ltd. don samar da ingantaccen aikin nunawa, FY-HVS-1500 laminated high-frequency allon tare da sakamako mai kyau desilting ya maye gurbin allon mai lankwasa da kyau kuma yadda ya kamata ya yanke samfurin da allon TBS. shi.
3.2 Tsari da ƙa'idar aiki na FY-HVS-1500 laminated babban allon mita.
Fangyuan FY-HVS-1500 high-mita stacked allo ne wani nau'i na inji kayan aiki da cewa yana amfani da high-mita vibration na allon surface da nauyi na abu don cimma rarrabuwa bisa ga barbashi size na abu.Tsarinsa ya ƙunshi mai rarrabawa, mai ciyarwa, da firam ɗin allo na sama da ƙasa., High-mita vibration motor, samfurin tarin hopper a kan allon, samfurin tarin tank karkashin allon, firam da goyon bayan dandamali.An nuna ka'idar aiki na injin sieve a cikin Hoto 2. Babban fasali da fa'idodinsa sune kamar haka.
Hoto na 3 Wurin tantance kwal
Shuka Shirye-shiryen Kwal na Longquan yana da babban abun ciki na toka, sludge mai tsanani, babban ash na ciki, ƙarancin mai da hankali, da babban abun ciki na matsakaicin samfur.Sabili da haka, a cikin aikin samarwa na ainihi, ƙirar asali na rarrabuwar ƙaƙƙarfan rarrabuwa da tsarin dawowa galibi yana da matsaloli masu zuwa:
Tsarin asali yana ɗaukar allo mai siffar baka tare da ƙarancin aikin tantancewa don yanke ƙanƙara, sludge da deɓar ruwa da ambaliya na TBS.Saboda tsananin laka sabon abu na gangue a cikin danyen kwal da kuma babban abun ciki na high-ash lafiya laka, shi ba makawa zai haifar: mai lankwasa allon ya ƙunshi babban adadin high-ash lafiya laka, sakamakon high ash abun ciki na m. da gawayi mai tsafta;allon mai lanƙwasa yana amfani da bakin karfe allon slotted yana da babban gibi na allo kuma yana da sauƙin sawa, wanda zai haifar da babban adadin ƙananan ash mai ƙaƙƙarfan slime ya ɓace kuma ya rasa ƙarancin gawayi mai tsabta.A lokaci guda, allon yana buƙatar sauyawa akai-akai.
3.1 Shirin sauya fasaha
Domin inganta yawan dawo da kwal mai tsabta da fa'idodin tattalin arziki, Longquan Coal Preparation Plant tare da Anhui Fangyuan Plastic Co., Ltd. don canza tsarin rabuwar slime.Bayan zanga-zangar, kai tsaye ta karɓi Anhui Fangyuan Plastics Co., Ltd. don samar da ingantaccen aikin nunawa, FY-HVS-1500 laminated high-frequency allon tare da sakamako mai kyau desilting ya maye gurbin allon mai lankwasa da kyau kuma yadda ya kamata ya yanke samfurin da allon TBS. shi.
3.2 Tsarin da ƙa'idar aiki na FY-HVS-1500 laminated babban allon mita
Fangyuan FY-HVS-1500 high-mita stacked allo ne wani nau'i na inji kayan aiki da cewa yana amfani da high-mita vibration na allon surface da nauyi na abu don cimma rarrabuwa bisa ga barbashi size na abu.Tsarinsa ya ƙunshi mai rarrabawa, mai ciyarwa, da firam ɗin allo na sama da ƙasa., High-mita vibration motor, samfurin tarin hopper a kan allon, samfurin tarin tank karkashin allon, firam da goyon bayan dandamali.An nuna ka'idar aiki na injin sieve a cikin Hoto 2. Babban fasali da fa'idodinsa sune kamar haka.
Hoto 4 An sanye shi da filaye mai kyau na polyurethane da aka yi da zagaye
Shuka Shirye-shiryen Coal na Longquan ya inganta aiwatar da tsarin rarrabuwar kawuna da tsarin rarrabuwa, kuma ya yi amfani da inganci mai inganci da ingantaccen grading laminated allon mitoci masu yawa maimakon arc fuska don tantancewa da kuma rarraba samfuran slime masu girman gaske, yana rage adadin samfuran slime mara nauyi. .Babban toka da laka mai kyau yana sa abun cikin ash na samfurin gawayi mai tsabta na ƙarshe ya yi ƙasa da abun cikin tokar da ake buƙata ta jimlar kwal mai tsabta.A lokaci guda kuma, ana magance matsalar m gudu a ƙarƙashin sieve yadda ya kamata.Gwajin aikin da masana'antar shirya kwal ta gudanar ya nuna cewa an ƙara yawan tokar da ke cikin kwal ɗin da ke ƙarƙashin sikelin daga ƙasa da kashi 55% zuwa fiye da kashi 65%, kuma an ƙara yawan amfanin da keɓen da kusan kashi 5% idan aka kwatanta da na arc sieve. an inganta tattalin arzikin masana'antar shirya kwal sosai.
Lokacin aikawa: Maris 23-2021