【導(dǎo)讀】山東電力基本建設(shè)總公司。印度塔爾萬(wàn)迪4×660MW超臨界燃煤電站項(xiàng)目。哈爾濱鍋爐廠有限責(zé)任公司

　　

【正文】 eat steam temperature fluctuating. (7) 過(guò)熱器、再 熱器受熱面材料選取留有大的裕度 Big margin should be reserved when choosing the material of SH and RH heating surface. (8) 省煤器采用 H 型管順列布置，采用較低的煙氣流速并裝設(shè)防磨蓋板等有效措施 ， 減少受熱面的磨損，同時(shí)也降低了省煤器系統(tǒng)的阻力。 The economizer adopts Htype fin tubes inline arrangement and lower gas flow speed。 effective measures such as antiwear cover plate are also adopted to decrease the erosion of heating surface and the resistance of economizer system. 鍋爐性能計(jì)算參數(shù)及結(jié)構(gòu)數(shù)據(jù) Boiler performance calculation parameter and structure data . 鍋爐性能計(jì)算數(shù)據(jù)表 Boiler performance calculation data sheet 名 稱 Item 單 位 Unit 負(fù) 荷 工 況 Load condition BMCR TMCR 80%TMCR 60%TMCR 主蒸汽流量 Main steam flow t/h 2140 主蒸汽出口壓力 Main steam outlet pressure MPa.g 主蒸汽出口溫度 Main steam outlet temperature ℃ 571 571 571 571 Proper Instruction of Talwandi 4 660MW Supercritical Boiler 17 名 稱 Item 單 位 Unit 負(fù) 荷 工 況 Load condition BMCR TMCR 80%TMCR 60%TMCR 給水壓力 Feedwater pressure MPa.g 給水溫度 Feedwater temperature ℃ 289 分離器出口壓力 Separator outlet pressure MPa.g 分離器溫度 Separator temperature ℃ 424 423 412 390 再熱蒸汽流量 Reheat steam flow t/h 9 7 4 再熱蒸汽出口壓力 Reheat steam outlet pressure MPa.g 再熱蒸汽出口溫度 Reheat steam outlet temperature ℃ 569 569 569 569 再熱蒸汽進(jìn)口壓力 Reheat steam inlet pressure MPa.g 再熱蒸汽進(jìn)口溫度 Reheat steam inlet temperature ℃ 空氣預(yù)熱器進(jìn)口煙氣溫度 AH inlet gas temperature ℃ 352 347 332 326 排煙溫度（修正前） AH exit gas temperature (before corrected) ℃ 139 138 127 122 排煙溫度（修正后） AH exit gas temperature (after corrected) ℃ 134 133 122 116 空預(yù)器一次風(fēng)進(jìn)口溫度 AH PRI. INLET AIR TEMP. ℃ 空預(yù)器二次風(fēng)進(jìn)口溫度 AH SEC. INLET AIR TEMP. ℃ 出口一次風(fēng)溫度 AH PRI OUTLET AIR TEMP. ℃ 318 316 306 313 出口二次風(fēng)溫度 AH SEC. OUTLET AIR TEMP. ℃ 326 322 310 305 總?cè)济毫? Total coal consumption t/h Proper Instruction of Talwandi 4 660MW Supercritical Boiler 18 名 稱 Item 單 位 Unit 負(fù) 荷 工 況 Load condition BMCR TMCR 80%TMCR 60%TMCR 未燃盡碳損失 Unburned carbon loss % 效率（高位發(fā)熱值） EFFICIENCY (HIGH HEAT VALUE) % 效率（按低位發(fā)熱值） EFFICIENCY (LOW HEAT VALUE) % 效率計(jì)算參比溫度 Efficiency calculation reference temperature ℃ 過(guò)量空氣系數(shù) Excess air coefficient / 爐膛截面熱負(fù)荷 Furnace crosssection heat flux MW/m2 爐膛容積熱負(fù)荷 Furnace volume heat flux KW/m3 過(guò)熱蒸汽壓降 Superheated steam pressure drop MPa 再熱蒸汽壓 降 Reheat steam pressure drop MPa 省煤器阻力（含靜壓差） Economizer resistance (include differential static pressure) MPa 水冷壁系統(tǒng)阻力 Waterwall system resistance MPa 注： ，運(yùn)行時(shí)可能會(huì)導(dǎo)致設(shè)備的損壞或使檢修量增加。 Note: 1. If the unit operates under the condition which exceed regulated maximum continues output, equipment damage and maintain increase may be caused. ， 過(guò)熱汽溫在 35%～ 100%BMCR、再Proper Instruction of Talwandi 4 660MW Supercritical Boiler 19 熱汽溫在 50%～ 100%BMCR 負(fù)荷范圍時(shí)，保持穩(wěn)定在額定值，偏差不超過(guò)177。5 ℃ 。 2. SH and RH temperature control range, superheated steam temperature is 35%～ 100%BMCR, reheat steam is 50%～ 100%BMCR load range, keep stable in the rated value, the deviation not exceed 177。5 ℃ . Proper Instruction of Talwandi 4 660MW Supercritical Boiler 20 鍋爐主要界限尺寸 Boiler main boundary size 名 稱 Item 單 位 Unit 數(shù) 據(jù) Data 鍋爐深度 （ 從 H 排柱中心至 N 排柱中心 ） Boiler depth (from the center of H column to the center of N column ) Mm 55300 鍋爐寬度 （ 外排柱中心距 ） Boiler width (outer column center distance) Mm 46000 大板梁高度 Main girder height Mm 88300 爐膛寬度 Furnace width Mm 爐膛深度 Furnace depth Mm 頂棚標(biāo)高 Roof elevation Mm 72700 水平煙道深 Horizontal pass depth Mm 5322 尾部豎井前煙道深 Back pass front duct depth Mm 8618 尾部豎井后煙道深 Back pass back duct depth Mm 9098 水冷壁下集箱標(biāo)高 Waterwall lower header elevation Mm 8000 5. 系統(tǒng)說(shuō)明 System introduction 煙風(fēng)系統(tǒng) Airgas system 分別 來(lái)自 一次風(fēng)機(jī)和 送風(fēng)機(jī)的冷風(fēng)被送入 三 分倉(cāng)式空氣預(yù)熱器，經(jīng)加熱后， 通過(guò)空預(yù)器的熱 一次風(fēng)與不通過(guò)空預(yù)器的旁通風(fēng) 進(jìn)行混合后進(jìn)入磨煤機(jī)， 對(duì)原煤進(jìn)行干燥并將合格的煤粉 送入燃燒器 一次風(fēng) 噴口； 來(lái)自送風(fēng)機(jī)的二次風(fēng)經(jīng)預(yù)熱器加熱后 通過(guò)設(shè)置在燃燒器四周的風(fēng)箱和布置在燃燒器上部的 SOFA 風(fēng)噴嘴 作為二次風(fēng) 送入爐膛。 The cold air from primary air fan and forced fan is conveyed to trisector air preheater, after heating the hot primary air which passed air preheater will mix with the bypass air which does not pass air preheater and then enter into the mill, Proper Instruction of Talwandi 4 660MW Supercritical Boiler 21 dry the raw coal and pass qualified pulverized coal to the burner primary air nozzle。 the secondary air from forced fan after heating in preheater will pass through the wind box arranged around burner and SOFA air nozzle arranged in upper burner then enter into furnace as secondary air. 送入爐膛的 煤 粉 在充分 燃燒 后 ，產(chǎn)生了大量的熱煙氣，熱煙氣向上依次經(jīng) 分隔屏 過(guò)熱器、 末級(jí) 過(guò)熱器、 經(jīng)爐膛出口進(jìn)入水平煙道，經(jīng)末級(jí) 再熱器 ，穿過(guò)水冷壁排管進(jìn)入轉(zhuǎn)向室，煙氣在轉(zhuǎn)向室內(nèi)下行進(jìn)入尾部豎井煙道。在尾部煙道豎井被分隔墻分成前后豎井，在前豎井通過(guò) 一級(jí)再熱器 ，后豎井通過(guò)一級(jí)過(guò)熱器和 省煤器 ，被分成兩路的煙氣經(jīng)過(guò)煙氣調(diào)溫?fù)醢搴笥趾铣梢宦?，煙氣 繼續(xù) 向下流經(jīng)垂直煙道、預(yù)熱器入口煙道進(jìn)入空氣預(yù)熱器與空氣進(jìn)行換熱，最后經(jīng)空氣預(yù)熱器出口煙道離開(kāi)鍋爐。 After plete firing the pulverized coal in the furnace will product large amount of hot gas, and the hot gas passes upward the division SH, final SH, furnace outlet then into horizontal pass, then passes final RH and trough waterwall tube screen into reversal chamber, the gas in reversal chamber goes downward into back pass duct. And it be divided into front and back duct in the back pass duct by division wall, and passesⅠ RH in front duck and passesⅠ SH and economizer in back duck, the gas which be divided into two parts will bine to one after gas temperature controlling damper, then the gas goes downward to vertical duct, preheater inlet duct and enters into air preheater to take heat transfer with the air, at last leaves the boiler from air preheater outlet duct. 汽水系統(tǒng) Steamwater system 省煤 器及水冷壁系統(tǒng)流程： Economizer and waterwall system flow: 從高加出口引來(lái)的鍋爐主給水 經(jīng)過(guò)主給水 管道被引入省煤器入口集箱，然后經(jīng)過(guò)省煤器管組加熱后進(jìn)入省煤器出口集箱。水從省煤