Hin nghi Klioa Imc vd Cong ngJK Bien loan qlixJ^'^JLl TIEM NANG DIA NHIET DAI VEN BIEN VIET NAM Nguyen Thac Cuong Vu Khoa hoc va Cong nghc, Bp Tai nguydn va Mdi Irudng 83 - Nguyen Chi Thanh Dong Da, Ha Npi Email; thaccupng@monrc.gov.vn Tom tat: Cdc cong irinh nghien cuu ddnh gid liim ndng dia nhiet a Viel Nam da xdc dinh dime cdc vimg dia nhiet vd nguon dia nhiet cd trien vong Iren pham vi loan quic Sir pluin bi cdc nguin dia nhiet a dai ven bien lap trung a vimg chinh Id Ding bdng Bdc Bo Nam Trung Bo vd ding bdng Nam Bo Ket qua nghien cuu ddnh gid cho ihdy dai ven biin vimg Nam Trung Bo Id khu vuc cd nhiiu Iriin vong khai Ihdc vd sic dung ndng luong dia nhiet cho cdc muc dich khac POTENTIAL OF GEOTHERMAL ENERGY VIETNAM Abstract; The study evaluated the potential of geothermal in Vietnam have identified geothennal resources and geothermal areas prospects The dislrihulions of geothermal resources in the coastal areas are concentrated in three main areas: Ihe Northern Plains, South Central and Southern Plains Results of es'alualion studies show that coastal areas of South Central have high potential for exploitation and utilization of geothermal energy for different purposes l.Tong quan cac nguon dia nhiet dai ven bicn Cong lac diau tra nghien cu-u, danh gia liem nang dia nhiet d Viet Nam dugc tijn har khoang 30 nam trd lai day Tren co sd long hgp tai lieu, kat hgp vdi cong lac sat so bo cac ngudn dia nhiet nham thu thap cac thong tin dS danh gia tiam nang dia nhi va kha nang khai thac, su dung cua cac ngudn dia nhiet Dai ven biSn Viet Nam la khu vi cd nhieu ngudn dia nhiet xuSt 16, chiem khoang 25% tdng so cac ngudn dia nhiet Iren toi quoc Cac ngudn dia nhiet dugc phan bd vdi mat dp khac theo vimg dia ly, chii yi tap trung d Nam Trung Bp va Nam Bp (chi tiat xem bang I) Tien han \'dng lugng Kv llnidl cdng irinh Van tai vd C dng ngheJhen Bang Thdng ke cdc ngudn dia nhiet theo cdp nhiet xudt Id vd irong Id khoan Dai ven bien Cap nliiel Am(30-40°C) N6ng\ira(41-60°C) Riiin6ng(61-100°C) Quaii6ng(>100°C) Cong theo \'iing Nam BJc Dong Dong bang Bdc Bg Bdc Bo '^ Trung Bd Trung Bp 2 1 15 13 33 Cong theo Clip Nam Bd nhicl dp 50 66 16 50 94 Tir bang thong kc neu lien cho thay dac diem phan bo ciia cac nguon dia nhicl nhu sau: - Dai \cn bien diing bang Bac Bg \a dong bang Nam Bg la nhung bon aclczi lan bi phii bai cac Irani lich Dc Tir rai day, nen nuac nong khong co dieu kicn xuiit 16 nhung van Ion tai duoi sau \ a chi dugc phat hicn eac 16 khoan dae biet mgt so 16 khoan sau tham dau viing Thai Binh Nam Dinh da phat hicn dugc nuae "qua nong" (lir 100°C den 140°C) (T sini 1500-2000 met [3J C6ng lac dieu tra dja chat ihiiy van a dong bang Nam Bg da phai hien nhicu 16 khoan nuoc nong phan bo sau tir 300 den 400m - Dgc \'en bien Quring Ninh qua c6ng lac tim kiem nude duoi dai va nuac khoang da phat hien dugc nuac khoang Quang Hanh va Tam Hgp co nhicl d6 dao dong tir 43 den 55"C - Dai ven bien Bac Trung Bg cac nguon dia nhiet phan b6 tap trung 6f My An Thira Thien I luc dugc phat hicn cac 16 khoan tham nuac dual dat - Dai ven bicMi Vimg Nam Trung Bg cac nguon dia nhiet co nhiet xuat Ig cao a Nam Trung Bg phan bo chii yeu a phan chuyen tiep giira dja hinh doi nui va dong bang ven bien eiia cae tinh Quang Ngai, Khanh Hoa, Phu Yen nguon dja nhiet nhiel tren mat cao hon 70°C, cac ngu6n co nhiet cao dac biet la Binh Chau 83°C, Hoi Van 83^'C Diinh gia tiem nang dia nhiet Bang cac phuong phap nghien cuu tren mat, dja nhiet ke va phuang phap nhiet lugng the lich da danh gia dugc tiem nang dia nhiet ciia cae nguon dia nhiet o dai ven bidn Viet Nam Kcl qua da linh toan dugc nhiet duoi sau, xac djnh ngu6n goc, lira ehgn cae nguon CO Iricn vgng khai thae va sir dung va linh tong nang lugng du bao cho mgl so ncuon dia nhiet Hoi nghi Khoa hoc vd Cdng nghe Bien loan c/iidcjdnjnu^ Ban,!; 2: Cdc nguin dia nhiet cd Irien vong khai Ihdc vdi juy mo cdng nghiep Tr Ten nguon 10 II Pllii Niilll Tliacli Bich NiiliTa'] han:: Mo Doc Hoi Van Pliij Sen Tu B6n'4 Hoc Chim Danh Thanh TaCii ninh Chan TT Ten nguon Phi, Sen TaCu Binh Chau Mo Dire Hoi Van Tu Bong Nghla Thang Danh Thanh Nhiel ( " O Tren miil Duoi sau 146,0 71 164,8 68 151,9 78 183.5 SO 142,3 83 145,4 71 149.1 73 177,8 71 72 135,1 153,2 78 159.8 82 Tinh luyen Tatn Ky Tra Bonn Ta NuhTa Mo Due Phil Cai Phi, loa Van Nmh Van Ninh D,en Khanh Ha,ll Thua,i Nam Binh Chau Ouanii Nam Quang Niia, Quang Nsiiji OuanaNgai Binh Dinh Phii Yen Khanh Hoa Khanh Hoa Khanh Hoa Binh Thuan Ba Ria- Vung Tau Gh, chii Bdng Kcl qud linh long ndng luang du bdo mot so ngudn dia nhiet J ; Hu>t;n Tinh Phu Hoa Ham Thuan Nam Binh Clliiu Mo Dire Plii, Cat Van Ninh Tu NgliTa Dien Khanh Phu Yen Binh Thuan Ba Ria-Vung Tju Quang Ngai Binh Dinh Khanh Hoa Quang Ngai Khanh Hoa Nhiet dQ duoi sau (°C) 144 155 160 160 150 150 150 140 Cong sua! (MWe) 10,3 11,0 15,3 21,4 15,3 15,3 15,3 11,3 Ghi Chu [11 m Ml [71 [7] [7] [7] [71 Kai qua tinh ndng lugng dy bao cua cac ngudn dia nhiet Irian vpng cho thay, dai ven bicn Nam Trung Bd la khu vuc cd tiSm nang Idn nhdt d Viet Nam vdi ngudn va l6ng cong suat dy bao la 115 MWe Kha nang khai thac, sir dung nang Iirolig dja nhiet Viec su dung nang lugng dia nhiel d nuac ta da dugc nghien cuu thu nghiem da sjy che, ciii dira, san d vimg My Lam (Tuyan Quang) va Hpi Van (Binh Dinh) Cho dSn cac ngupn dia nliiel chu yau dugc khai thac va sir dung cho muc dich chua benh (cac vien diau duong Quang Hanh, Binh Chau, Hpi Van ) va du lich (VTnh Phuang Binh Chau ') Vi?c sir dung ngudn dia nhiel vap muc dich nang lugng dan chi cd nhat ngudn dia nhiet Hp, Van dugc cdng ty dugc va thiat hi vat lu y ta linh Binh Dinh xay dung mot co so san xuat mudi tinh lot Iheo phuong phap cho bdc hoi dung djch nude mudi' trdn i6l bang nguon nhiel tu md nude ndng Hoi Van Viing nghien eOni cd tiam nang dia nhiet khong Idn, nhiet dudi sau cua eac ngudn nhiet huge loai trung bmh (I25-225°C) va thap (-Advanced Hot Dry Rock (HDR> '-Medium-temperature binary cycle i-Hlgh-temperaHtre Hashed steam O $3,000 Nguon: U.S Department of Energy, 1997 Hinh L Bieu gid ddu tu nha mdy dien dia nhiet theo cdc cong nghi khac Tyle: 1: 10.000.000 Hinh 2: Sa vi tri cdc nguon dia nhiet dai ven bien Viet Nam I lai iiglii Kiiott lioc vd Cong iiglie Bien loan quae lull ui^ y Theo tinh loan ciia Cdng I) ORMAT | | Ihi giii Ihimh \ay dung nha may dial dja nhiel o Viel Nam dao ddng lir IJSS2000 dc-n US$2500/kW phu Ihupc \'ao quy md \ a cliiil lugng nguon nhicl KE':T l.UAN Ciic ngudn dia nhicl dai ven bicn Viet Nam ,ndi dupe nghien ciru diinh giii licm nang dia nluel bang ciic phuang phap nghien ciru Ircn ,nril chua cd cac cong Irinh nghicii ciVu sau non khong cd cac sd lieu cho phcp diinh giii mpl each chinh xac licm nang dia nhiel ciia ciic ngui^n dia nhicl liong kinh Iho nghien ciru Khu vyc Nam Trung Ik) la vimg cd iiiiicu Iricn \png khai Ihac nang lugng dia nhicl da du'gc cac nha khoa hpc quan lam nghien ciru Tu\ nhicn dc cd the khai Ihac sir dung nang lugng dia nhiet can phai nghien ciru chi licl liim nira IT ciic \ img Iricn vpng vdi muc dich su dung Ihco phuang thuc tdng hgp vdi nhicu muc dich khiic Bang each na> sc mang lai ngudn Igi kinh le khong nho gop phan vao su nghiep phiil Iricn kinh Ic dim sinh TAI LIEU THAM KHAO Nguyen Thiic Cuong (chu bicn) Bao Clio tdng kOl da lai: "Nghien ciru Nile dinh linh khii Ihi \ ii-c sir dung ngudn dia nhicl d nhung diem cu the phuc vu phat Iricn cac dy an qu_\ mo cdng nghiep Iham gia c;ui bang nang lirgng Viel Nam" Bg Cdng Nghiep, 2005 Cao Duy Giang Biio cao kcl qua lai "Nghien ciru danh gia liim nang dja nhicl \ iing Bac Trung Bd" Liru liir dia chat Ha Npi 1998 Vd Cdng Nghiep (chii bicn) Danh ba cac ngudn nutre khoang nude ndng Viel Nam Ha Npi 1998 Hoang IhTi, Quy Bao cao nghian ciru danh g,a tiC-m nang dia nhicl lanh thd lir Quang Nam - Dii Niing dC-n Ba Ria - Vung Tau Luu l,fr dja chit Ha Npi 1995 I-:ilis A.J, Mahon W.A: Chemistry and Geothermal System Academic press New York San I'l-ancisco - London, 1977 Mau,ider el al Gcoscicntinc reconnaissance of selected Geothermal Areas South central coastal region Vietnam Wellington, New Zealand, 1993 Pre - feasibility study report for the development of the geothermal resgurccs of the SR of Vietnam Prepared by O R M A T Intcrnalional INC USA, December, 1995 ... Dai ven bien Cap nliiel Am(30-40°C) N6ng\ira(41-60°C) Riiin6ng(61-100°C) Quaii6ng(>100°C) Cong theo ''iing Nam BJc Dong Dong bang Bdc Bg Bdc Bo ''^ Trung Bd Trung Bp 2 1 15 13 33 Cong theo Clip Nam. .. 43 den 55"C - Dai ven bien Bac Trung Bg cac nguon dia nhiet phan b6 tap trung 6f My An Thira Thien I luc dugc phat hicn cac 16 khoan tham nuac dual dat - Dai ven bicMi Vimg Nam Trung Bg cac nguon... ndng lugng dy bao cua cac ngudn dia nhiet Irian vpng cho thay, dai ven bicn Nam Trung Bd la khu vuc cd tiSm nang Idn nhdt d Viet Nam vdi ngudn va l6ng cong suat dy bao la 115 MWe Kha nang khai thac,