2中頻熔爐

2噸中頻熔爐，可用于鋼鐵，球鐵，灰鐵，鋼合金，鐵合金等黑色金屬的熔煉。也可用于銅等有色金屬的熔煉和鋁。

一、中頻熔爐的基本組成

1200kw中頻電源（并聯(lián)逆變器），諧振電容器組，500mm2水冷電纜，2爐體（鋼或鋁）

1。快速中頻熔爐，標(biāo)準(zhǔn)功率配置為1600KW / 500HZ，大功率配置為1600KW / 500HZ，進線電壓為660V，中頻電源輸出電壓為1500V。

2。IF電源的設(shè)計易于使用，并具有完善的保護措施，例如過流，過壓，缺相，欠壓和水溫高。

3。中頻熔爐爐體厚度可達20mm，結(jié)構(gòu)牢固，銅管壁厚5mm，經(jīng)過多層絕緣處理后穩(wěn)定可靠。

4。中頻熔爐的所有水管均采用不銹鋼管制成，避免生銹和結(jié)垢，冷卻效果大大提高。

5。節(jié)能，合理的設(shè)計和環(huán)保要求。

6。中頻熔爐可用于鑄造企業(yè)和冶金行業(yè)。

B，中頻電源技術(shù)特點和性能：

如圖1所示，全數(shù)字頻率電源控制電路263，控制芯片規(guī)模的集成電路連接簡單，電源穩(wěn)定，可靠，故障率低。目前，它是六代主控板的DU。

2，IF電源具有恒定的功率輸出，輸出將不會影響輸出功率當(dāng)負(fù)載變化時，可節(jié)約超過10％，比普通IF設(shè)備。

3，中頻電源保護功能完善，具有電流和電壓雙閉環(huán)調(diào)節(jié)系統(tǒng)，具有過電壓，過電流，電流限制，電壓限制，設(shè)備停電和欠壓和直通保護，水壓不足，缺平等保護。

4，具有故障自診斷功能，設(shè)備維修方便，簡單。

5.中頻電源為掃描型零電壓軟啟動，諧振頻率為自跟蹤。

6，強大的啟動性能和負(fù)載適應(yīng)性，可在輕，重負(fù)載下頻繁啟動，啟動成功率為100％。

7.阻抗調(diào)節(jié)器會自動適應(yīng)負(fù)載變化，因此設(shè)備參數(shù)始終以*佳狀態(tài)運行。

8.啟動方式為掃頻式零壓力軟啟動，對回路無影響。

9，中頻熔爐設(shè)備在正常情況下失效時不會損壞組件。

C，爐體介紹殼結(jié)構(gòu)分為兩種結(jié)構(gòu)：鋁殼爐和鋼殼爐：該小容量爐殼一般是由鋁合金制成，其具有結(jié)構(gòu)合理，體積小，安裝方便，維修簡單和低的維修費用。大容量爐體爐體采用鋼架結(jié)構(gòu)，爐體結(jié)構(gòu)由爐體固定架和爐體組成，爐體固定架和爐體采用整體骨架結(jié)構(gòu)。 爐體的傾斜由液壓系統(tǒng)控制，該液壓系統(tǒng)是通過抬起爐體兩側(cè)的兩個液壓缸來實現(xiàn)的。爐體的復(fù)位是通過爐體自重產(chǎn)生的壓力實現(xiàn)的。F，軛鐵爐體有一個內(nèi)置的軛鐵，軛鐵護罩可以減少漏磁通，防止?fàn)t體發(fā)熱并提高效率。同時，軛架用作固定感應(yīng)線圈的支撐件，從而爐體實現(xiàn)了高強度和低噪音。 軛是由冷軋硅鋼板和不銹鋼夾板制成的月牙形軛。鐵芯與線圈的接合面是圓弧面，按壓部是過去的線而不是線的面。好，漏磁少。堆疊硅鋼板后，用專用夾板而不是專用螺紋螺釘將其擰緊。這種結(jié)構(gòu)可以充分利用硅鋼板的導(dǎo)磁面積并減少局部發(fā)熱的可能性。G，線圈（感應(yīng)線圈）的線圈是所述心臟的的中頻熔化爐 。感應(yīng)線圈在電流的作用下會產(chǎn)生強磁場，這會導(dǎo)致爐子中的金屬產(chǎn)生渦流并產(chǎn)生熱量。線圈是將電能轉(zhuǎn)化為熱量的關(guān)鍵，因此線圈的設(shè)計非常重要。該爐的線圈與中頻熔爐的實際使用相結(jié)合。根據(jù)電磁場原理，通過計算機專業(yè)軟件的計算確定較好的解決方案，感應(yīng)線圈的設(shè)計功率與實際運行功率之間的誤差不大于5尤其是線圈的絕緣，匝間絕緣受到*的絕緣方法的保護，特殊的夾持技術(shù)可以有效地降低線圈的軸向振動。感應(yīng)線圈的內(nèi)壁涂有進口高溫絕緣材料，并配有泄漏報警系統(tǒng)，可以有效地防止?fàn)t子磨損。可選的爐襯和頂出機構(gòu)可以快速去除損壞的爐襯，并有助于快速建造爐子。

2intermediate frequency melting

2tons of intermediate frequency melting , mainly used for smelting of ferrous metals, such as steel, ductile iron, gray iron, steel alloy, iron alloy, etc. It can also be used for the smelting of non-ferrous metals such as copper and aluminum.

A, thebasic composition of the intermediate frequency melting

1200kwintermediate frequency power supply (parallel inverter), resonant capacitor bank,500mm2water-cooled cable,2 body (steel or aluminum)

1.Fast medium frequency melting , standard power configuration is1600KW/500HZ, high power configuration is1600KW/500HZ, incoming line voltage is660V, and intermediate frequency power supply output voltage is1500V.

2.he design of the IF power supply is user-friendly, with perfect protection measures such as overcurrent, overvoltage, phase loss, undervoltage, and high water temperature.

3.he thickness of the medium-frequency melting body is up to20mm, the structure is firm, the wall thickness of the copper tube is5mm, and it is stable and reliable after multi-layer insulation treatment.

4.All water pipes of the medium frequency melting are made of stainless steel pipes to avoid rust and scale, and the cooling effect is greatly improved.

5.Energy saving, reasonable design and environmental protection requirements.

6.he intermediate frequency melting is mainly used in foundry enterprises and metallurgical industries.

B,IF power supply technology features and performance:

1,all-digitalfrequency power supplycontrol circuit 263, a control chip scale integrated circuit connection is simple, the power supply is stable, reliable, low failure rate.Currently, it is thesix-generation main control boardofDU.

2, IF power supply has a constant power output, the output will not affect the output power when the load changes, can savemore than10%than ordinary IF equipment.

3, IF power protection function is perfect, with current and voltage double closed-loop regulation system, with over voltage, over current, current limit, voltage limit, equipment power failure and under voltage and straight through protection, water pressure shortage, lack of equal protection.

4, with fault self-diagnosis function, equipment maintenance is convenient and simple.

5. heintermediate frequency power supply is a sweep-type zero-voltage soft start, and the resonant frequency is self-tracking.

6, strong starting performance and load adaptability, can be started frequently under light and heavy load, the startup success rate is99%.

7. heimpedance regulator automatically adapts to the load change, so that the equipment parameters are always running at the optimum state.

8. hestarting mode is swept-type zero-pressure soft start, which has no impact on the loop.

9,he intermediate frequency melting equipment will not damage the components when it fails under normal conditions.

C, body introduction he shell structure is pided intotwo structures:aluminum shellandsteel shell: he small-capacity shell is generally made of aluminum alloy, which has reasonable structure, small volume, convenient installation, simple maintenance and low maintenance cost. he large-capacity body shell adopts a steel frame structure, and the body structure is composed of a fixing frame and a body, and the fixing frame and the body adopt an integral skeleton structure.he tilting of the body is controlled by the hydraulic system, which is realized by lifting two hydraulic cylinders on both sides of the body. he resetting of the body is realized by the pressure generated by the self-weight of the body. F,yoke he body has a built-in yoke, and the yoke shield can reduce the magnetic flux leakage, prevent the body from heating and improve the efficiency.At the same time, the yoke acts as a support for fixing the induction coil, so that the body achieves high strength and low noise.he yoke is a crescent-shaped yoke made of cold-rolled silicon steel sheet and stainless steel splint. he joint surface of the iron core and the coil is a circular arc surface, and the pressing portion is a surface instead of a line in the past. Good, less magnetic leakage.After the silicon steel sheets are stacked, they are tightened with a special splint instead of a special threaded screw.his structure can make full use of the magnetic conductive area of the silicon steel sheetandreduce the possibility of local heat generation. G,coil(induction coil) he coil isthe heartof theintermediate frequency melting . he induction coil generates a strong magnetic field under the action of current, which causes the metal in the to generate eddy currents and generate heat.Coils are the key to converting electrical energy into heat, so the design of the coil is very important.he coil of the is combined withthe actual use of theintermediate frequency melting . According to the principle of electromagnetic field, the better solution determined by the calculation of computer professional software, the error between the design power of the induction coil and the actual running power is not more than5%, and the insulation of the coil In particular, the inter-turn insulation is protected by an advanced insulation method, and the special clamping technology can effectively reduce the axial vibration of the coil.he inner wall of the induction coil is coated with imported high-temperature insulation material, and is equipped with a leak alarm system, which can effectively prevent the from being worn.Optional lining and ejection mechanism can quickly remove the damaged lining and facilitate the rapid construction.

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