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0.5T中頻爐2020新型感應電爐設備

0.5中頻爐2020新型

設備類型：

設備由并聯(lián)諧振12脈中頻電源和兩臺無芯鋼殼感應熔化電爐以及系統(tǒng)正常運行所需的輔助設備組成。

0.5噸鋼殼中頻爐的主要工藝參數(shù)：

中頻感應熔煉爐	額定溫度容量			t	0.5
	設計容量			t	1
	出鐵溫度			℃	1450~1800
	熔化耗電量（熱爐、鋼水）			kwh/t	純熔化的情況下570±5%。
	熔化耗電量（熱爐、鐵水）			kwh/t	純熔化的情況下560±5%。
	熔化率（化鋼水）			h/t	0.9
	冷卻水	進水流量		m3/h	≥40
		進水壓力		MPa	0.3
		進水溫度		℃	≤32
		回水溫度		℃	≤52
	傾爐方式				液壓傾動

整流變壓器	產(chǎn)品電爐型號			ZS-型
	電壓組合			10KV/380V/380V 二次側Δ/Y雙繞組，星型繞組中點引出
	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3相; 二次側6相接入中頻電源柜
	頻率			HZ		50
	聯(lián)結組			DdOY11 (二次側線電壓相位互差30°)
	短路阻抗			≥		9%
	冷卻方式			ONAN，冷卻介質：25號變壓器油
	調壓方式			自動無勵磁調壓,
	效率			≥		98%,
	執(zhí)行標準			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，當變壓器出現(xiàn)瓦斯或油溫超標時，能自動切斷高壓輸入并發(fā)出報警。

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		進水流量	m3/h		≥15
			進水壓力	MPa		0.25
			進水溫度	℃		≤32
			回水溫度	℃		≤42
	中頻電壓			V		2400
	中頻頻率			Hz		800可微調
	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%

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

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.

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%