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0.5中頻爐2020新型
設(shè)備類型：
設(shè)備由并聯(lián)諧振12脈中頻電源和兩臺無芯鋼殼感應(yīng)熔化電爐以及系統(tǒng)正常運(yùn)行所需的輔助設(shè)備組成。
0.5噸鋼殼中頻爐的主要工藝參數(shù)：
| 中 頻 感 應(yīng) 熔 煉 爐 | 額定溫度容量 | t | 0.5 | |||
| 設(shè)計(jì)容量 | t | 1 | ||||
| 出鐵溫度 | ℃ | 1450~1800 | ||||
| 熔化耗電量（熱爐、鋼水） | kwh/t | 純?nèi)刍那闆r下570±5%。 | ||||
| 熔化耗電量（熱爐、鐵水） | kwh/t | 純?nèi)刍那闆r下560±5%。 | ||||
| 熔化率（化鋼水） | h/t | 0.9 | ||||
| 冷 卻 水 | 進(jìn)水流量 | m3/h | ≥40 | |||
| 進(jìn)水壓力 | MPa | 0.3 | ||||
| 進(jìn)水溫度 | ℃ | ≤32 | ||||
| 回水溫度 | ℃ | ≤52 | ||||
| 傾爐方式 |
| 液壓傾動 | ||||
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| 整 流 變 壓 器 | 產(chǎn)品電爐型號 | ZS-型 | ||||
| 電壓組合 | 10KV/380V/380V 二次側(cè)Δ/Y雙繞組，星型繞組中點(diǎn)引出 | |||||
| 變壓器容量 | KVA | 1000kva（兩臺共用） | ||||
| 一次電壓 | KV | 10±5%KV | ||||
| 二次電壓 | V | 380×2 | ||||
| 相數(shù) | 一次側(cè)3相; 二次側(cè)6相接入中頻電源柜 | |||||
| 頻率 | HZ | 50 | ||||
| 聯(lián)結(jié)組 | DdOY11 (二次側(cè)線電壓相位互差30°) | |||||
| 短路阻抗 | ≥ | 9% | ||||
| 冷卻方式 | ONAN，冷卻介質(zhì)：25號變壓器油 | |||||
| 調(diào)壓方式 | 自動無勵磁調(diào)壓, | |||||
| 效率 | ≥ | 98%, | ||||
| 執(zhí)行標(biāo)準(zhǔn) | JB/8636-1997《電力變流變壓器》 | |||||
| 整流變壓器 整流變壓器用于將一次高壓電降到適合中頻電源的輸入電壓，設(shè)備采用專用的高阻抗油浸自冷式整流變壓器，其電爐型號為ZS系列。變壓器一次電壓用10KV，二次電壓380V。整流變壓器上裝有瓦斯繼電器和油溫繼電器表，可與高壓柜聯(lián)鎖，當(dāng)變壓器出現(xiàn)瓦斯或油溫超標(biāo)時(shí)，能自動切斷高壓輸入并發(fā)出報(bào)警。 | ||||||
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| 中 頻 電 源
| 額定溫度功率 | KW | 500 | |||
| 直流電壓 | V | 1024 | ||||
| 直流電流 | A | 488 | ||||
| 整流脈數(shù) | 脈 | 12 | ||||
| 冷 卻 水 | 進(jìn)水流量 | m3/h | ≥15 | |||
| 進(jìn)水壓力 | MPa | 0.25 | ||||
| 進(jìn)水溫度 | ℃ | ≤32 | ||||
| 回水溫度 | ℃ | ≤42 | ||||
| 中頻電壓 | V | 2400 | ||||
| 中頻頻率 | Hz | 800可微調(diào) | ||||
| 功率因數(shù) | COSφ | 任何功率使用情況下≥0.95 | ||||
| 逆變形式 |
| 并聯(lián)逆變 | ||||
| 噪音 | dB | 85dB | ||||
| 起動成功率 |
| 99% | ||||
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Energy-saving 0.5 induction melting
Equipment type:
Deviceparallelresonantfrequencypulsepowersupply12ａnd two steel coreless induction melting and auxiliary systems required for normal operation of the equipment.
0.5tonsofsteel induction meltingmain parameters:
| in frequency sense should melt Refining
| Rated Capacity | t | 0.5 | |||
| Maximum capacity | t | 1 | ||||
| Iron temperature | ℃ | 1450~1800 | ||||
| Melting power consumption (hot , molten steel) | Kwh/t | 570±5%in the case of pure melting. | ||||
| Meltingconsumption (heating ,molten iron) | Kwh/t | 560±5%in the case of pure melting. | ||||
| Melting rate (steel steel) | h/t | 0.9 | ||||
| cold but water | Influent flow | M3/h | ≥40 | |||
| Inlet pressure | MPa | 0.3 | ||||
| Inlet temperature | ℃ | ≤32 | ||||
| Backwater temperature | ℃ | ≤52 | ||||
| ilting method |
| Hydraulic tilting | ||||
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| whole flow change Pressure Device | Product number | ZS-type | ||||
| Voltage combination | 10KV/380V/380V Secondary side Δ/Ydouble winding, star winding midpoint extraction | |||||
| ransformer capacity | KVA | 1000kva(two shared) | ||||
| Primary voltage | KV | 10±5% KV | ||||
| Secondary voltage | V | 380×2 | ||||
| Phase | Primary side3phase;secondary side6phase connected to intermediate frequency power supply cabinet | |||||
| frequency | HZ | 50 | ||||
| Connection group | DdOY11 (secondary side line voltage phase difference of30°) | |||||
| Short circuit impedance | ≥ | 9% | ||||
| cooling method | ONAN,cooling medium:25thtransformer oil | |||||
| Pressure regulation method | Automatic non-excitation voltage regulation, | |||||
| effectiveness | ≥ | 98%, | ||||
| Executive standard | JB/8636-1997"Power Converter ransformer" | |||||
| Rectifier transformer he rectifier transformer is used to reduce the primary high voltage to the input voltage suitable for the intermediate frequency power supply. he device uses a dedicated high-impedance oil-immersed self-cooling rectifier transformer, the model isZSseries.he primary voltage of the transformer is10KVａnd the secondary voltage is380V.he rectifier transformer is equipped with a gas relay and a oil temperature relay table, which can be interlocked with the high voltage cabinet. When the transformer has gas or oil temperature exceeding the standard, the high voltage input can be automatically cut off and an alarm is issued. | ||||||
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| in frequency Electricity source
| rated power | KW | 500 | |||
| DC voltage | V | 1024 | ||||
| DC | A | 488 | ||||
| Number of commutating pulses | pulse | 12 | ||||
| cold but water | Influent flow | M3/h | ≥15 | |||
| Inlet pressure | MPa | 0.25 | ||||
| Inlet temperature | ℃ | ≤32 | ||||
| Backwater temperature | ℃ | ≤42 | ||||
| IF voltage | V | 2400 | ||||
| IF frequency | Hz | 800can be fine-tuned | ||||
| Power factor | COSφ | ≥0.95 forany power usage | ||||
| Inverter form |
| Parallel inverter | ||||
| noise | dB | 85dB | ||||
| Starting success rate |
| 99% | ||||
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