30t感應(yīng)熔煉爐

1，設(shè)備概述

感應(yīng)熔煉爐是一種高效的冶煉設(shè)備，通過電磁感應(yīng)加熱熔化廢鋼。能量轉(zhuǎn)換過程是電磁加熱，特別是整流變壓器輸出的工頻電源轉(zhuǎn)換成與AC-DC-AC負(fù)載所需頻率相匹配的單相交流電源。模式，并在爐中的廢鋼中產(chǎn)生。高強(qiáng)度磁場(chǎng)，爐內(nèi)廢鋼在磁場(chǎng)作用下產(chǎn)生強(qiáng)電場(chǎng)，形成內(nèi)部渦流，從而形成熔化自身的熱源。這種在電荷內(nèi)部自身產(chǎn)生熱能的加熱方法是一種有效的熔化方式。

我公司生產(chǎn)的感應(yīng)熔煉爐具有以下特點(diǎn)：

1輸入電壓高，輸出電壓高。對(duì)于本程序30t感應(yīng)熔煉爐的額定溫度容量，我公司按照1750V進(jìn)線電壓規(guī)范設(shè)計(jì)，傳感器負(fù)載輸出電壓標(biāo)稱值為6300V。

2熔化速度快。達(dá)到額定溫度設(shè)計(jì)噸位攻絲量，連續(xù)熱爐熔煉時(shí)間控制在75分鐘左右。

3噸鋼具有低能耗。比其他廠家設(shè)備低5％，優(yōu)于GB / 30839.31-2014“工業(yè)電加熱設(shè)備能耗：中頻無心感應(yīng)熔煉爐"的標(biāo)準(zhǔn)。

4數(shù)字化，集成化和高度自動(dòng)化。該公司的電源系統(tǒng)控制板是一種數(shù)字芯片型控制板。功放板是集成功率放大，漏洞檢測(cè)和輸出的集成控制板。冶煉管理系統(tǒng)以S7-300PLC +高配備主機(jī)為硬件，SEP7 + WINCC為軟件，實(shí)現(xiàn)對(duì)整個(gè)設(shè)備的監(jiān)控和管理。

2，技術(shù)方案和技術(shù)參數(shù)

2.1，技術(shù)方案

對(duì)于該項(xiàng)目的30t感應(yīng)熔煉爐，公司采用以下技術(shù)方案：

▷設(shè)備配置模式：一臺(tái)電動(dòng)兩爐。爐子通常是熔煉的，爐子用于爐子維護(hù)。

▷切換模式：爐子開關(guān)的機(jī)械變化。

▷送料方式：平臺(tái)上的液壓送料小車在爐后送料。

▷鋼攻絲方法：液壓傾斜爐，攻絲噴嘴和攻絲鋼攻絲。

▷變壓器：使用單個(gè)24脈沖整流變壓器。

▷自動(dòng)控制系統(tǒng)：硬件采用S7-300配置工業(yè)控制計(jì)算機(jī)。

設(shè)備系統(tǒng)圖如下：

高壓開關(guān)柜：高壓開關(guān)柜

整流變壓器：整流變壓器

變頻電源：變頻電源

油浸電抗器：油浸電抗器

電容器組：電容器組

機(jī)械換爐開關(guān)：機(jī)械爐改變開關(guān)

爐體：爐體

液壓站：液壓站

2.2，Ť技術(shù)參數(shù)

注1：

用戶工作條件：

廢鋼產(chǎn)量≥97％，熱，連續(xù)，輕薄的材料必須包裝成煤球，大型材料切割，使用壓力機(jī)械手。除了保溫和排渣時(shí)間外，還要根據(jù)熔融鋼的實(shí)際稱重。

30t Induction melting

1，Equipment overview

Induction melting is an efficient smelting equipment that melts scrap steel by electromagnetic induction heating. he energy conversion process is electro-magnetic-electric-heating, in particular, the power frequency power supply outputted by the rectifier transformer is converted into a single-phase AC power source matching the required frequency of the load in an AC-DC-AC mode, and is generated in the steel scrap in the . High-strength magnetic field, the steel scrap in the induces a strong electric field under the action of a magnetic field and forms an internal eddy current, thereby forming a heat source to melt itself. his heating method of generating thermal energy by itself inside the charge is an efficient way of melting.

heInduction melting produced by our company has the following characteristics:

1 he input voltage is high and the output voltage is high. For the rated capacity of this program 30tInduction melting , our company is designed according to the 1750V incoming line voltage specification, and the sensor load output voltage is nominally 6300V.

2 High melting rate. he rated design tonnage tapping amount is reached, and the continuous hot smelting time is controlled at about 75 minutes.

3 tons of steel has low energy consumption. It is 5% lower than other manufacturers' equipment, which is better than the t-class standard in GB/30839.31-2014 "Industrial electric heating device energy consumption: medium frequency centerlessInduction melting ".

4 Digital, integrated, and highly automated. he company's power system control board is a digital chip type control board. he power amplifier board is an integrated control board integrating power amplification, vulnerability detection and output. he smelting management system realizes the monitoring and management of the entire equipment by using S7-300PLC+ high-equipped host as hardware and SEP7+WINCC as software.

2，echnical solutions and technical parameters

2.1，echnical solutions

For the 30tInduction melting of this project, the company adopts the following technical solutions:

▷Equipment configuration mode: one electric two s. A is normally smelted, and a is used for maintenance.

▷Switching mode: mechanical change of switch.

▷Feeding method: he hydraulic feeding trolley on the platform is fed after the .

▷he method of steel tapping: hydraulic tilting , tapping nozzle and tapping steel tapping.

▷ransformer: A single 24-pulserectifier transformer is used.

▷Automatic control system: he hardware adopts S7-300 and configures industrial control computer.

he equipment system diagram is as follows:

高壓開關(guān)柜：High voltage switchgear

整流變壓器：Rectifier transformer

變頻電源：Frequency change power

油浸電抗器：Oil immersion reactor

電容器組：Capacitor bank

機(jī)械換爐開關(guān)：Mechanical changeswitch

爐體：Furnace body

液壓站：Hydraulic station

2.2、echnical parameters

NOE 1:

Users working conditions:

Scrap steel yield ≥97%, hot, continuous, light and thin materials must be packaged into briquettes, large material cutting, with the use of pressing manipulator. Except for heat preservation and slag discharge time, based on the actual weighing of molten steel.

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